src/aui/framemanager.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/aui/framemanager.cpp
   3 // Purpose:     wxaui: wx advanced user interface - docking window manager
   4 // Author:      Benjamin I. Williams
   5 // Modified by:
   6 // Created:     2005-05-17
   7 // RCS-ID:      $Id$
   8 // Copyright:   (C) Copyright 2005-2006, Kirix Corporation, All Rights Reserved
   9 // Licence:     wxWindows Library Licence, Version 3.1
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_AUI
  27
  28 #include "wx/aui/framemanager.h"
  29 #include "wx/aui/dockart.h"
  30 #include "wx/aui/floatpane.h"
  31 #include "wx/aui/tabmdi.h"
  32 #include "wx/aui/auibar.h"
  33 #include "wx/mdi.h"
  34
  35 #ifndef WX_PRECOMP
  36     #include "wx/panel.h"
  37     #include "wx/settings.h"
  38     #include "wx/app.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/dcscreen.h"
  41     #include "wx/toolbar.h"
  42     #include "wx/image.h"
  43 #endif
  44
  45 WX_CHECK_BUILD_OPTIONS("wxAUI")
  46
  47 #include "wx/arrimpl.cpp"
  48 WX_DECLARE_OBJARRAY(wxRect, wxAuiRectArray);
  49 WX_DEFINE_OBJARRAY(wxAuiRectArray)
  50 WX_DEFINE_OBJARRAY(wxAuiDockUIPartArray)
  51 WX_DEFINE_OBJARRAY(wxAuiDockInfoArray)
  52 WX_DEFINE_OBJARRAY(wxAuiPaneButtonArray)
  53 WX_DEFINE_OBJARRAY(wxAuiPaneInfoArray)
  54
  55 wxAuiPaneInfo wxAuiNullPaneInfo;
  56 wxAuiDockInfo wxAuiNullDockInfo;
  57 wxDEFINE_EVENT( wxEVT_AUI_PANE_BUTTON, wxAuiManagerEvent );
  58 wxDEFINE_EVENT( wxEVT_AUI_PANE_CLOSE, wxAuiManagerEvent );
  59 wxDEFINE_EVENT( wxEVT_AUI_PANE_MAXIMIZE, wxAuiManagerEvent );
  60 wxDEFINE_EVENT( wxEVT_AUI_PANE_RESTORE, wxAuiManagerEvent );
  61 wxDEFINE_EVENT( wxEVT_AUI_RENDER, wxAuiManagerEvent );
  62 wxDEFINE_EVENT( wxEVT_AUI_FIND_MANAGER, wxAuiManagerEvent );
  63
  64 #ifdef __WXMAC__
  65     // a few defines to avoid nameclashes
  66     #define __MAC_OS_X_MEMORY_MANAGER_CLEAN__ 1
  67     #define __AIFF__
  68     #include "wx/osx/private.h"
  69 #endif
  70
  71 #ifdef __WXMSW__
  72     #include "wx/msw/wrapwin.h"
  73     #include "wx/msw/private.h"
  74     #include "wx/msw/dc.h"
  75 #endif
  76
  77 IMPLEMENT_DYNAMIC_CLASS(wxAuiManagerEvent, wxEvent)
  78 IMPLEMENT_CLASS(wxAuiManager, wxEvtHandler)
  79
  80
  81
  82 const int auiToolBarLayer = 10;
  83
  84 #ifndef __WXGTK20__
  85
  86
  87 class wxPseudoTransparentFrame : public wxFrame
  88 {
  89 public:
  90     wxPseudoTransparentFrame(wxWindow* parent = NULL,
  91                 wxWindowID id = wxID_ANY,
  92                 const wxString& title = wxEmptyString,
  93                 const wxPoint& pos = wxDefaultPosition,
  94                 const wxSize& size = wxDefaultSize,
  95                 long style = wxDEFAULT_FRAME_STYLE,
  96                 const wxString &name = wxT("frame"))
  97                     : wxFrame(parent, id, title, pos, size, style | wxFRAME_SHAPED, name)
  98     {
  99         SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 100         m_Amount=0;
 101         m_MaxWidth=0;
 102         m_MaxHeight=0;
 103         m_lastWidth=0;
 104         m_lastHeight=0;
 105 #ifdef __WXGTK__
 106         m_CanSetShape = false; // have to wait for window create event on GTK
 107 #else
 108         m_CanSetShape = true;
 109 #endif
 110         m_Region = wxRegion(0, 0, 0, 0);
 111         SetTransparent(0);
 112     }
 113
 114     virtual bool SetTransparent(wxByte alpha)
 115     {
 116         if (m_CanSetShape)
 117         {
 118             int w=100; // some defaults
 119             int h=100;
 120             GetClientSize(&w, &h);
 121
 122             m_MaxWidth = w;
 123             m_MaxHeight = h;
 124             m_Amount = alpha;
 125             m_Region.Clear();
 126 //            m_Region.Union(0, 0, 1, m_MaxWidth);
 127             if (m_Amount)
 128             {
 129                 for (int y=0; y<m_MaxHeight; y++)
 130                 {
 131                     // Reverse the order of the bottom 4 bits
 132                     int j=((y&8)?1:0)|((y&4)?2:0)|((y&2)?4:0)|((y&1)?8:0);
 133                     if ((j*16+8)<m_Amount)
 134                         m_Region.Union(0, y, m_MaxWidth, 1);
 135                 }
 136             }
 137             SetShape(m_Region);
 138             Refresh();
 139         }
 140         return true;
 141     }
 142
 143     void OnPaint(wxPaintEvent& WXUNUSED(event))
 144     {
 145         wxPaintDC dc(this);
 146
 147         if (m_Region.IsEmpty())
 148             return;
 149
 150 #ifdef __WXMAC__
 151         dc.SetBrush(wxColour(128, 192, 255));
 152 #else
 153         dc.SetBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_ACTIVECAPTION));
 154 #endif
 155         dc.SetPen(*wxTRANSPARENT_PEN);
 156
 157         wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
 158
 159         while (upd)
 160         {
 161             wxRect rect(upd.GetRect());
 162             dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height);
 163
 164             ++upd;
 165         }
 166     }
 167
 168 #ifdef __WXGTK__
 169     void OnWindowCreate(wxWindowCreateEvent& WXUNUSED(event))
 170     {
 171         m_CanSetShape=true;
 172         SetTransparent(0);
 173     }
 174 #endif
 175
 176     void OnSize(wxSizeEvent& event)
 177     {
 178         // We sometimes get surplus size events
 179         if ((event.GetSize().GetWidth() == m_lastWidth) &&
 180             (event.GetSize().GetHeight() == m_lastHeight))
 181         {
 182             event.Skip();
 183             return;
 184         }
 185         m_lastWidth = event.GetSize().GetWidth();
 186         m_lastHeight = event.GetSize().GetHeight();
 187
 188         SetTransparent(m_Amount);
 189         m_Region.Intersect(0, 0, event.GetSize().GetWidth(),
 190                            event.GetSize().GetHeight());
 191         SetShape(m_Region);
 192         Refresh();
 193         event.Skip();
 194     }
 195
 196 private:
 197     wxByte m_Amount;
 198     int m_MaxWidth;
 199     int m_MaxHeight;
 200     bool m_CanSetShape;
 201     int m_lastWidth,m_lastHeight;
 202
 203     wxRegion m_Region;
 204
 205     DECLARE_DYNAMIC_CLASS(wxPseudoTransparentFrame)
 206     DECLARE_EVENT_TABLE()
 207 };
 208
 209
 210 IMPLEMENT_DYNAMIC_CLASS(wxPseudoTransparentFrame, wxFrame)
 211
 212 BEGIN_EVENT_TABLE(wxPseudoTransparentFrame, wxFrame)
 213     EVT_PAINT(wxPseudoTransparentFrame::OnPaint)
 214     EVT_SIZE(wxPseudoTransparentFrame::OnSize)
 215 #ifdef __WXGTK__
 216     EVT_WINDOW_CREATE(wxPseudoTransparentFrame::OnWindowCreate)
 217 #endif
 218 END_EVENT_TABLE()
 219
 220
 221 #else
 222   // __WXGTK20__
 223
 224 #include <gtk/gtk.h>
 225
 226 static void
 227 gtk_pseudo_window_realized_callback( GtkWidget *m_widget, void *WXUNUSED(win) )
 228 {
 229         wxSize disp = wxGetDisplaySize();
 230         int amount = 128;
 231         wxRegion region;
 232         for (int y=0; y<disp.y; y++)
 233                 {
 234                     // Reverse the order of the bottom 4 bits
 235                     int j=((y&8)?1:0)|((y&4)?2:0)|((y&2)?4:0)|((y&1)?8:0);
 236                     if ((j*16+8)<amount)
 237                         region.Union(0, y, disp.x, 1);
 238                 }
 239         gdk_window_shape_combine_region(m_widget->window, region.GetRegion(), 0, 0);
 240 }
 241
 242
 243 class wxPseudoTransparentFrame: public wxFrame
 244 {
 245 public:
 246     wxPseudoTransparentFrame(wxWindow* parent = NULL,
 247                 wxWindowID id = wxID_ANY,
 248                 const wxString& title = wxEmptyString,
 249                 const wxPoint& pos = wxDefaultPosition,
 250                 const wxSize& size = wxDefaultSize,
 251                 long style = wxDEFAULT_FRAME_STYLE,
 252                 const wxString &name = wxT("frame"))
 253     {
 254          if (!CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 255             return;
 256
 257         m_title = title;
 258
 259         m_widget = gtk_window_new( GTK_WINDOW_POPUP );
 260         g_object_ref(m_widget);
 261
 262         if (parent) parent->AddChild(this);
 263
 264         g_signal_connect( m_widget, "realize",
 265                       G_CALLBACK (gtk_pseudo_window_realized_callback), this );
 266
 267         GdkColor col;
 268         col.red = 128 * 256;
 269         col.green = 192 * 256;
 270         col.blue = 255 * 256;
 271         gtk_widget_modify_bg( m_widget, GTK_STATE_NORMAL, &col );
 272     }
 273
 274     bool SetTransparent(wxByte WXUNUSED(alpha))
 275     {
 276         return true;
 277     }
 278
 279 private:
 280     DECLARE_DYNAMIC_CLASS(wxPseudoTransparentFrame)
 281 };
 282
 283 IMPLEMENT_DYNAMIC_CLASS(wxPseudoTransparentFrame, wxFrame)
 284
 285 #endif
 286  // __WXGTK20__
 287
 288
 289
 290 // -- static utility functions --
 291
 292 static wxBitmap wxPaneCreateStippleBitmap()
 293 {
 294     unsigned char data[] = { 0,0,0,192,192,192, 192,192,192,0,0,0 };
 295     wxImage img(2,2,data,true);
 296     return wxBitmap(img);
 297 }
 298
 299 static void DrawResizeHint(wxDC& dc, const wxRect& rect)
 300 {
 301     wxBitmap stipple = wxPaneCreateStippleBitmap();
 302     wxBrush brush(stipple);
 303     dc.SetBrush(brush);
 304 #ifdef __WXMSW__
 305     wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
 306     PatBlt(GetHdcOf(*impl), rect.GetX(), rect.GetY(), rect.GetWidth(), rect.GetHeight(), PATINVERT);
 307 #else
 308     dc.SetPen(*wxTRANSPARENT_PEN);
 309
 310     dc.SetLogicalFunction(wxXOR);
 311     dc.DrawRectangle(rect);
 312 #endif
 313 }
 314
 315
 316
 317 // CopyDocksAndPanes() - this utility function creates copies of
 318 // the dock and pane info.  wxAuiDockInfo's usually contain pointers
 319 // to wxAuiPaneInfo classes, thus this function is necessary to reliably
 320 // reconstruct that relationship in the new dock info and pane info arrays
 321
 322 static void CopyDocksAndPanes(wxAuiDockInfoArray& dest_docks,
 323                               wxAuiPaneInfoArray& dest_panes,
 324                               const wxAuiDockInfoArray& src_docks,
 325                               const wxAuiPaneInfoArray& src_panes)
 326 {
 327     dest_docks = src_docks;
 328     dest_panes = src_panes;
 329     int i, j, k, dock_count, pc1, pc2;
 330     for (i = 0, dock_count = dest_docks.GetCount(); i < dock_count; ++i)
 331     {
 332         wxAuiDockInfo& dock = dest_docks.Item(i);
 333         for (j = 0, pc1 = dock.panes.GetCount(); j < pc1; ++j)
 334             for (k = 0, pc2 = src_panes.GetCount(); k < pc2; ++k)
 335                 if (dock.panes.Item(j) == &src_panes.Item(k))
 336                     dock.panes.Item(j) = &dest_panes.Item(k);
 337     }
 338 }
 339
 340 // GetMaxLayer() is an internal function which returns
 341 // the highest layer inside the specified dock
 342 static int GetMaxLayer(const wxAuiDockInfoArray& docks,
 343                        int dock_direction)
 344 {
 345     int i, dock_count, max_layer = 0;
 346     for (i = 0, dock_count = docks.GetCount(); i < dock_count; ++i)
 347     {
 348         wxAuiDockInfo& dock = docks.Item(i);
 349         if (dock.dock_direction == dock_direction &&
 350             dock.dock_layer > max_layer && !dock.fixed)
 351                 max_layer = dock.dock_layer;
 352     }
 353     return max_layer;
 354 }
 355
 356
 357 // GetMaxRow() is an internal function which returns
 358 // the highest layer inside the specified dock
 359 static int GetMaxRow(const wxAuiPaneInfoArray& panes, int direction, int layer)
 360 {
 361     int i, pane_count, max_row = 0;
 362     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
 363     {
 364         wxAuiPaneInfo& pane = panes.Item(i);
 365         if (pane.dock_direction == direction &&
 366             pane.dock_layer == layer &&
 367             pane.dock_row > max_row)
 368                 max_row = pane.dock_row;
 369     }
 370     return max_row;
 371 }
 372
 373
 374
 375 // DoInsertDockLayer() is an internal function that inserts a new dock
 376 // layer by incrementing all existing dock layer values by one
 377 static void DoInsertDockLayer(wxAuiPaneInfoArray& panes,
 378                               int dock_direction,
 379                               int dock_layer)
 380 {
 381     int i, pane_count;
 382     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
 383     {
 384         wxAuiPaneInfo& pane = panes.Item(i);
 385         if (!pane.IsFloating() &&
 386             pane.dock_direction == dock_direction &&
 387             pane.dock_layer >= dock_layer)
 388                 pane.dock_layer++;
 389     }
 390 }
 391
 392 // DoInsertDockLayer() is an internal function that inserts a new dock
 393 // row by incrementing all existing dock row values by one
 394 static void DoInsertDockRow(wxAuiPaneInfoArray& panes,
 395                             int dock_direction,
 396                             int dock_layer,
 397                             int dock_row)
 398 {
 399     int i, pane_count;
 400     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
 401     {
 402         wxAuiPaneInfo& pane = panes.Item(i);
 403         if (!pane.IsFloating() &&
 404             pane.dock_direction == dock_direction &&
 405             pane.dock_layer == dock_layer &&
 406             pane.dock_row >= dock_row)
 407                 pane.dock_row++;
 408     }
 409 }
 410
 411 // DoInsertDockLayer() is an internal function that inserts a space for
 412 // another dock pane by incrementing all existing dock row values by one
 413 static void DoInsertPane(wxAuiPaneInfoArray& panes,
 414                          int dock_direction,
 415                          int dock_layer,
 416                          int dock_row,
 417                          int dock_pos)
 418 {
 419     int i, pane_count;
 420     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
 421     {
 422         wxAuiPaneInfo& pane = panes.Item(i);
 423         if (!pane.IsFloating() &&
 424             pane.dock_direction == dock_direction &&
 425             pane.dock_layer == dock_layer &&
 426             pane.dock_row == dock_row &&
 427             pane.dock_pos >= dock_pos)
 428                 pane.dock_pos++;
 429     }
 430 }
 431
 432 // FindDocks() is an internal function that returns a list of docks which meet
 433 // the specified conditions in the parameters and returns a sorted array
 434 // (sorted by layer and then row)
 435 static void FindDocks(wxAuiDockInfoArray& docks,
 436                       int dock_direction,
 437                       int dock_layer,
 438                       int dock_row,
 439                       wxAuiDockInfoPtrArray& arr)
 440 {
 441     int begin_layer = dock_layer;
 442     int end_layer = dock_layer;
 443     int begin_row = dock_row;
 444     int end_row = dock_row;
 445     int dock_count = docks.GetCount();
 446     int layer, row, i, max_row = 0, max_layer = 0;
 447
 448     // discover the maximum dock layer and the max row
 449     for (i = 0; i < dock_count; ++i)
 450     {
 451         max_row = wxMax(max_row, docks.Item(i).dock_row);
 452         max_layer = wxMax(max_layer, docks.Item(i).dock_layer);
 453     }
 454
 455     // if no dock layer was specified, search all dock layers
 456     if (dock_layer == -1)
 457     {
 458         begin_layer = 0;
 459         end_layer = max_layer;
 460     }
 461
 462     // if no dock row was specified, search all dock row
 463     if (dock_row == -1)
 464     {
 465         begin_row = 0;
 466         end_row = max_row;
 467     }
 468
 469     arr.Clear();
 470
 471     for (layer = begin_layer; layer <= end_layer; ++layer)
 472         for (row = begin_row; row <= end_row; ++row)
 473             for (i = 0; i < dock_count; ++i)
 474             {
 475                 wxAuiDockInfo& d = docks.Item(i);
 476                 if (dock_direction == -1 || dock_direction == d.dock_direction)
 477                 {
 478                     if (d.dock_layer == layer && d.dock_row == row)
 479                         arr.Add(&d);
 480                 }
 481             }
 482 }
 483
 484 // FindPaneInDock() looks up a specified window pointer inside a dock.
 485 // If found, the corresponding wxAuiPaneInfo pointer is returned, otherwise NULL.
 486 static wxAuiPaneInfo* FindPaneInDock(const wxAuiDockInfo& dock, wxWindow* window)
 487 {
 488     int i, count = dock.panes.GetCount();
 489     for (i = 0; i < count; ++i)
 490     {
 491         wxAuiPaneInfo* p = dock.panes.Item(i);
 492         if (p->window == window)
 493             return p;
 494     }
 495     return NULL;
 496 }
 497
 498 // RemovePaneFromDocks() removes a pane window from all docks
 499 // with a possible exception specified by parameter "ex_cept"
 500 static void RemovePaneFromDocks(wxAuiDockInfoArray& docks,
 501                                 wxAuiPaneInfo& pane,
 502                                 wxAuiDockInfo* ex_cept  = NULL  )
 503 {
 504     int i, dock_count;
 505     for (i = 0, dock_count = docks.GetCount(); i < dock_count; ++i)
 506     {
 507         wxAuiDockInfo& d = docks.Item(i);
 508         if (&d == ex_cept)
 509             continue;
 510         wxAuiPaneInfo* pi = FindPaneInDock(d, pane.window);
 511         if (pi)
 512             d.panes.Remove(pi);
 513     }
 514 }
 515
 516 /*
 517 // This function works fine, and may be used in the future
 518
 519 // RenumberDockRows() takes a dock and assigns sequential numbers
 520 // to existing rows.  Basically it takes out the gaps; so if a
 521 // dock has rows with numbers 0,2,5, they will become 0,1,2
 522 static void RenumberDockRows(wxAuiDockInfoPtrArray& docks)
 523 {
 524     int i, dock_count;
 525     for (i = 0, dock_count = docks.GetCount(); i < dock_count; ++i)
 526     {
 527         wxAuiDockInfo& dock = *docks.Item(i);
 528         dock.dock_row = i;
 529
 530         int j, pane_count;
 531         for (j = 0, pane_count = dock.panes.GetCount(); j < pane_count; ++j)
 532             dock.panes.Item(j)->dock_row = i;
 533     }
 534 }
 535 */
 536
 537
 538 // SetActivePane() sets the active pane, as well as cycles through
 539 // every other pane and makes sure that all others' active flags
 540 // are turned off
 541 static void SetActivePane(wxAuiPaneInfoArray& panes, wxWindow* active_pane)
 542 {
 543     int i, pane_count;
 544     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
 545     {
 546         wxAuiPaneInfo& pane = panes.Item(i);
 547         pane.state &= ~wxAuiPaneInfo::optionActive;
 548         if (pane.window == active_pane)
 549             pane.state |= wxAuiPaneInfo::optionActive;
 550     }
 551 }
 552
 553
 554 // this function is used to sort panes by dock position
 555 static int PaneSortFunc(wxAuiPaneInfo** p1, wxAuiPaneInfo** p2)
 556 {
 557     return ((*p1)->dock_pos < (*p2)->dock_pos) ? -1 : 1;
 558 }
 559
 560
 561
 562
 563 // this utility class implements a proportional sizer
 564 // as it existed in wxWidgets 2.8 and before.
 565
 566 class wxAuiProportionalBoxSizer : public wxBoxSizer
 567 {
 568 public:
 569     wxAuiProportionalBoxSizer(int orientation) : wxBoxSizer(orientation) { }
 570
 571     void RecalcSizes()
 572     {
 573         if (m_children.GetCount() == 0)
 574             return;
 575
 576         int fixed_height = 0;
 577         int fixed_width = 0;
 578         int stretchable = 0;
 579         wxSizerItemList::compatibility_iterator node;
 580
 581         // find fixed width and height, as well
 582         // as the total stretchable proportions
 583         node = m_children.GetFirst();
 584         while (node)
 585         {
 586             wxSizerItem *item = node->GetData();
 587
 588             if (item->IsShown())
 589             {
 590                 stretchable += item->GetProportion();
 591
 592                 wxSize size(item->GetMinSizeWithBorder());
 593                 if (item->GetProportion() == 0)
 594                 {
 595                     if (m_orient == wxVERTICAL)
 596                     {
 597                         fixed_height += size.y;
 598                         fixed_width = wxMax(fixed_width, size.x);
 599                     }
 600                      else
 601                     {
 602                         fixed_width += size.x;
 603                         fixed_height = wxMax(fixed_height, size.y);
 604                     }
 605                 }
 606             }
 607
 608             node = node->GetNext();
 609         }
 610
 611
 612         // delta specifies the total amount to be allocated to stretch spaces
 613         int delta = 0;
 614         if (stretchable)
 615         {
 616             if (m_orient == wxHORIZONTAL)
 617                 delta = m_size.x - fixed_width;
 618                  else
 619                 delta = m_size.y - fixed_height;
 620         }
 621
 622         // go through each item and assign sizes
 623         wxPoint pt(m_position);
 624         node = m_children.GetFirst();
 625         while (node)
 626         {
 627             wxSizerItem* item = node->GetData();
 628
 629             if (item->IsShown())
 630             {
 631                 wxSize size(item->GetMinSizeWithBorder());
 632
 633                 if (m_orient == wxVERTICAL)
 634                 {
 635                     wxCoord height = size.y;
 636                     if (item->GetProportion())
 637                     {
 638                         height = (delta * item->GetProportion()) / stretchable;
 639                         delta -= height;
 640                         stretchable -= item->GetProportion();
 641                     }
 642
 643                     wxPoint child_pos(pt);
 644                     wxSize child_size(size.x, height);
 645
 646                     if (item->GetFlag() & (wxEXPAND | wxSHAPED))
 647                         child_size.x = m_size.x;
 648                     else if (item->GetFlag() & wxALIGN_RIGHT)
 649                         child_pos.x += m_size.x - size.x;
 650                     else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
 651                         child_pos.x += (m_size.x - size.x) / 2;
 652
 653                     item->SetDimension(child_pos, child_size);
 654
 655                     pt.y += height;
 656                 }
 657                  else
 658                 {
 659                     wxCoord width = size.x;
 660                     if (item->GetProportion())
 661                     {
 662                         width = (delta * item->GetProportion()) / stretchable;
 663                         delta -= width;
 664                         stretchable -= item->GetProportion();
 665                     }
 666
 667                     wxPoint child_pos(pt);
 668                     wxSize child_size(width, size.y);
 669
 670                     if (item->GetFlag() & (wxEXPAND | wxSHAPED))
 671                         child_size.y = m_size.y;
 672                     else if (item->GetFlag() & wxALIGN_BOTTOM)
 673                         child_pos.y += m_size.y - size.y;
 674                     else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
 675                         child_pos.y += (m_size.y - size.y) / 2;
 676
 677                     item->SetDimension(child_pos, child_size);
 678
 679                     pt.x += width;
 680                 }
 681             }
 682
 683             node = node->GetNext();
 684         }
 685     }
 686 };
 687
 688
 689
 690
 691 // -- wxAuiManager class implementation --
 692
 693
 694 BEGIN_EVENT_TABLE(wxAuiManager, wxEvtHandler)
 695     EVT_AUI_PANE_BUTTON(wxAuiManager::OnPaneButton)
 696     EVT_AUI_RENDER(wxAuiManager::OnRender)
 697     EVT_PAINT(wxAuiManager::OnPaint)
 698     EVT_ERASE_BACKGROUND(wxAuiManager::OnEraseBackground)
 699     EVT_SIZE(wxAuiManager::OnSize)
 700     EVT_SET_CURSOR(wxAuiManager::OnSetCursor)
 701     EVT_LEFT_DOWN(wxAuiManager::OnLeftDown)
 702     EVT_LEFT_UP(wxAuiManager::OnLeftUp)
 703     EVT_MOTION(wxAuiManager::OnMotion)
 704     EVT_LEAVE_WINDOW(wxAuiManager::OnLeaveWindow)
 705     EVT_MOUSE_CAPTURE_LOST(wxAuiManager::OnCaptureLost)
 706     EVT_CHILD_FOCUS(wxAuiManager::OnChildFocus)
 707     EVT_AUI_FIND_MANAGER(wxAuiManager::OnFindManager)
 708     EVT_TIMER(101, wxAuiManager::OnHintFadeTimer)
 709 END_EVENT_TABLE()
 710
 711
 712 wxAuiManager::wxAuiManager(wxWindow* managed_wnd, unsigned int flags)
 713 {
 714     m_action = actionNone;
 715     m_action_window = NULL;
 716     m_last_mouse_move = wxPoint();
 717     m_hover_button = NULL;
 718     m_art = new wxAuiDefaultDockArt;
 719     m_hint_wnd = NULL;
 720     m_flags = flags;
 721     m_skipping = false;
 722     m_has_maximized = false;
 723     m_frame = NULL;
 724     m_dock_constraint_x = 0.3;
 725     m_dock_constraint_y = 0.3;
 726     m_reserved = NULL;
 727     m_currentDragItem = -1;
 728
 729     if (managed_wnd)
 730     {
 731         SetManagedWindow(managed_wnd);
 732     }
 733 }
 734
 735 wxAuiManager::~wxAuiManager()
 736 {
 737     // NOTE: It's possible that the windows have already been destroyed by the
 738     // time this dtor is called, so this loop can result in memory access via
 739     // invalid pointers, resulting in a crash.  So it will be disabled while
 740     // waiting for a better solution.
 741 #if 0
 742     for ( size_t i = 0; i < m_panes.size(); i++ )
 743     {
 744         wxAuiPaneInfo& pinfo = m_panes[i];
 745         if (pinfo.window && !pinfo.window->GetParent())
 746             delete pinfo.window;
 747     }
 748 #endif
 749
 750     delete m_art;
 751 }
 752
 753 // creates a floating frame for the windows
 754 wxAuiFloatingFrame* wxAuiManager::CreateFloatingFrame(wxWindow* parent,
 755                                                       const wxAuiPaneInfo& pane_info)
 756 {
 757     return new wxAuiFloatingFrame(parent, this, pane_info);
 758 }
 759
 760 bool wxAuiManager::CanDockPanel(const wxAuiPaneInfo & WXUNUSED(p))
 761 {
 762     // if a key modifier is pressed while dragging the frame,
 763     // don't dock the window
 764     return !(wxGetKeyState(WXK_CONTROL) || wxGetKeyState(WXK_ALT));
 765 }
 766
 767 // GetPane() looks up a wxAuiPaneInfo structure based
 768 // on the supplied window pointer.  Upon failure, GetPane()
 769 // returns an empty wxAuiPaneInfo, a condition which can be checked
 770 // by calling wxAuiPaneInfo::IsOk().
 771 //
 772 // The pane info's structure may then be modified.  Once a pane's
 773 // info is modified, wxAuiManager::Update() must be called to
 774 // realize the changes in the UI.
 775
 776 wxAuiPaneInfo& wxAuiManager::GetPane(wxWindow* window)
 777 {
 778     int i, pane_count;
 779     for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
 780     {
 781         wxAuiPaneInfo& p = m_panes.Item(i);
 782         if (p.window == window)
 783             return p;
 784     }
 785     return wxAuiNullPaneInfo;
 786 }
 787
 788 // this version of GetPane() looks up a pane based on a
 789 // 'pane name', see above comment for more info
 790 wxAuiPaneInfo& wxAuiManager::GetPane(const wxString& name)
 791 {
 792     int i, pane_count;
 793     for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
 794     {
 795         wxAuiPaneInfo& p = m_panes.Item(i);
 796         if (p.name == name)
 797             return p;
 798     }
 799     return wxAuiNullPaneInfo;
 800 }
 801
 802 // GetAllPanes() returns a reference to all the pane info structures
 803 wxAuiPaneInfoArray& wxAuiManager::GetAllPanes()
 804 {
 805     return m_panes;
 806 }
 807
 808 // HitTest() is an internal function which determines
 809 // which UI item the specified coordinates are over
 810 // (x,y) specify a position in client coordinates
 811 wxAuiDockUIPart* wxAuiManager::HitTest(int x, int y)
 812 {
 813     wxAuiDockUIPart* result = NULL;
 814
 815     int i, part_count;
 816     for (i = 0, part_count = m_uiparts.GetCount(); i < part_count; ++i)
 817     {
 818         wxAuiDockUIPart* item = &m_uiparts.Item(i);
 819
 820         // we are not interested in typeDock, because this space
 821         // isn't used to draw anything, just for measurements;
 822         // besides, the entire dock area is covered with other
 823         // rectangles, which we are interested in.
 824         if (item->type == wxAuiDockUIPart::typeDock)
 825             continue;
 826
 827         // if we already have a hit on a more specific item, we are not
 828         // interested in a pane hit.  If, however, we don't already have
 829         // a hit, returning a pane hit is necessary for some operations
 830         if ((item->type == wxAuiDockUIPart::typePane ||
 831             item->type == wxAuiDockUIPart::typePaneBorder) && result)
 832             continue;
 833
 834         // if the point is inside the rectangle, we have a hit
 835         if (item->rect.Contains(x,y))
 836             result = item;
 837     }
 838
 839     return result;
 840 }
 841
 842
 843 // SetFlags() and GetFlags() allow the owner to set various
 844 // options which are global to wxAuiManager
 845 void wxAuiManager::SetFlags(unsigned int flags)
 846 {
 847     // find out if we have to call UpdateHintWindowConfig()
 848     bool update_hint_wnd = false;
 849     unsigned int hint_mask = wxAUI_MGR_TRANSPARENT_HINT |
 850                              wxAUI_MGR_VENETIAN_BLINDS_HINT |
 851                              wxAUI_MGR_RECTANGLE_HINT;
 852     if ((flags & hint_mask) != (m_flags & hint_mask))
 853         update_hint_wnd = true;
 854
 855
 856     // set the new flags
 857     m_flags = flags;
 858
 859     if (update_hint_wnd)
 860     {
 861         UpdateHintWindowConfig();
 862     }
 863 }
 864
 865 unsigned int wxAuiManager::GetFlags() const
 866 {
 867     return m_flags;
 868 }
 869
 870 // Convenience function
 871 bool wxAuiManager_HasLiveResize(wxAuiManager& manager)
 872 {
 873     // With Core Graphics on Mac, it's not possible to show sash feedback,
 874     // so we'll always use live update instead.
 875 #if defined(__WXMAC__)
 876     return true;
 877 #else
 878     return (manager.GetFlags() & wxAUI_MGR_LIVE_RESIZE) == wxAUI_MGR_LIVE_RESIZE;
 879 #endif
 880 }
 881
 882 // don't use these anymore as they are deprecated
 883 // use Set/GetManagedFrame() instead
 884 void wxAuiManager::SetFrame(wxFrame* frame)
 885 {
 886     SetManagedWindow((wxWindow*)frame);
 887 }
 888
 889 wxFrame* wxAuiManager::GetFrame() const
 890 {
 891     return (wxFrame*)m_frame;
 892 }
 893
 894
 895 // this function will return the aui manager for a given
 896 // window.  The |window| parameter should be any child window
 897 // or grand-child window (and so on) of the frame/window
 898 // managed by wxAuiManager.  The |window| parameter does not
 899 // need to be managed by the manager itself.
 900 wxAuiManager* wxAuiManager::GetManager(wxWindow* window)
 901 {
 902     wxAuiManagerEvent evt(wxEVT_AUI_FIND_MANAGER);
 903     evt.SetManager(NULL);
 904     evt.ResumePropagation(wxEVENT_PROPAGATE_MAX);
 905     if (!window->GetEventHandler()->ProcessEvent(evt))
 906         return NULL;
 907
 908     return evt.GetManager();
 909 }
 910
 911
 912 void wxAuiManager::UpdateHintWindowConfig()
 913 {
 914     // find out if the the system can do transparent frames
 915     bool can_do_transparent = false;
 916
 917     wxWindow* w = m_frame;
 918     while (w)
 919     {
 920         if (w->IsKindOf(CLASSINFO(wxFrame)))
 921         {
 922             wxFrame* f = static_cast<wxFrame*>(w);
 923             can_do_transparent = f->CanSetTransparent();
 924
 925             break;
 926         }
 927
 928         w = w->GetParent();
 929     }
 930
 931     // if there is an existing hint window, delete it
 932     if (m_hint_wnd)
 933     {
 934         m_hint_wnd->Destroy();
 935         m_hint_wnd = NULL;
 936     }
 937
 938     m_hint_fademax = 50;
 939     m_hint_wnd = NULL;
 940
 941     if ((m_flags & wxAUI_MGR_TRANSPARENT_HINT) && can_do_transparent)
 942     {
 943         // Make a window to use for a transparent hint
 944         #if defined(__WXMSW__) || defined(__WXGTK__)
 945             m_hint_wnd = new wxFrame(m_frame, wxID_ANY, wxEmptyString,
 946                                      wxDefaultPosition, wxSize(1,1),
 947                                          wxFRAME_TOOL_WINDOW |
 948                                          wxFRAME_FLOAT_ON_PARENT |
 949                                          wxFRAME_NO_TASKBAR |
 950                                          wxNO_BORDER);
 951
 952             m_hint_wnd->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_ACTIVECAPTION));
 953         #elif defined(__WXMAC__)
 954             // Using a miniframe with float and tool styles keeps the parent
 955             // frame activated and highlighted as such...
 956             m_hint_wnd = new wxMiniFrame(m_frame, wxID_ANY, wxEmptyString,
 957                                          wxDefaultPosition, wxSize(1,1),
 958                                          wxFRAME_FLOAT_ON_PARENT
 959                                          | wxFRAME_TOOL_WINDOW );
 960             m_hint_wnd->Connect(wxEVT_ACTIVATE,
 961                 wxActivateEventHandler(wxAuiManager::OnHintActivate), NULL, this);
 962
 963             // Can't set the bg colour of a Frame in wxMac
 964             wxPanel* p = new wxPanel(m_hint_wnd);
 965
 966             // The default wxSYS_COLOUR_ACTIVECAPTION colour is a light silver
 967             // color that is really hard to see, especially transparent.
 968             // Until a better system color is decided upon we'll just use
 969             // blue.
 970             p->SetBackgroundColour(*wxBLUE);
 971         #endif
 972
 973     }
 974     else
 975     {
 976         if ((m_flags & wxAUI_MGR_TRANSPARENT_HINT) != 0 ||
 977             (m_flags & wxAUI_MGR_VENETIAN_BLINDS_HINT) != 0)
 978         {
 979             // system can't support transparent fade, or the venetian
 980             // blinds effect was explicitly requested
 981             m_hint_wnd = new wxPseudoTransparentFrame(m_frame,
 982                                                       wxID_ANY,
 983                                                       wxEmptyString,
 984                                                       wxDefaultPosition,
 985                                                       wxSize(1,1),
 986                                                             wxFRAME_TOOL_WINDOW |
 987                                                             wxFRAME_FLOAT_ON_PARENT |
 988                                                             wxFRAME_NO_TASKBAR |
 989                                                             wxNO_BORDER);
 990             m_hint_fademax = 128;
 991         }
 992     }
 993 }
 994
 995
 996 // SetManagedWindow() is usually called once when the frame
 997 // manager class is being initialized.  "frame" specifies
 998 // the frame which should be managed by the frame mananger
 999 void wxAuiManager::SetManagedWindow(wxWindow* wnd)
1000 {
1001     wxASSERT_MSG(wnd, wxT("specified window must be non-NULL"));
1002
1003     m_frame = wnd;
1004     m_frame->PushEventHandler(this);
1005
1006 #if wxUSE_MDI
1007     // if the owner is going to manage an MDI parent frame,
1008     // we need to add the MDI client window as the default
1009     // center pane
1010
1011     if (m_frame->IsKindOf(CLASSINFO(wxMDIParentFrame)))
1012     {
1013         wxMDIParentFrame* mdi_frame = (wxMDIParentFrame*)m_frame;
1014         wxWindow* client_window = mdi_frame->GetClientWindow();
1015
1016         wxASSERT_MSG(client_window, wxT("Client window is NULL!"));
1017
1018         AddPane(client_window,
1019                 wxAuiPaneInfo().Name(wxT("mdiclient")).
1020                 CenterPane().PaneBorder(false));
1021     }
1022     else if (m_frame->IsKindOf(CLASSINFO(wxAuiMDIParentFrame)))
1023     {
1024         wxAuiMDIParentFrame* mdi_frame = (wxAuiMDIParentFrame*)m_frame;
1025         wxAuiMDIClientWindow* client_window = mdi_frame->GetClientWindow();
1026         wxASSERT_MSG(client_window, wxT("Client window is NULL!"));
1027
1028         AddPane(client_window,
1029                 wxAuiPaneInfo().Name(wxT("mdiclient")).
1030                 CenterPane().PaneBorder(false));
1031     }
1032
1033 #endif
1034
1035     UpdateHintWindowConfig();
1036 }
1037
1038
1039 // UnInit() must be called, usually in the destructor
1040 // of the frame class.   If it is not called, usually this
1041 // will result in a crash upon program exit
1042 void wxAuiManager::UnInit()
1043 {
1044     if (m_frame)
1045     {
1046         m_frame->RemoveEventHandler(this);
1047     }
1048 }
1049
1050 // GetManagedWindow() returns the window pointer being managed
1051 wxWindow* wxAuiManager::GetManagedWindow() const
1052 {
1053     return m_frame;
1054 }
1055
1056 wxAuiDockArt* wxAuiManager::GetArtProvider() const
1057 {
1058     return m_art;
1059 }
1060
1061 void wxAuiManager::ProcessMgrEvent(wxAuiManagerEvent& event)
1062 {
1063     // first, give the owner frame a chance to override
1064     if (m_frame)
1065     {
1066         if (m_frame->GetEventHandler()->ProcessEvent(event))
1067             return;
1068     }
1069
1070     ProcessEvent(event);
1071 }
1072
1073 // SetArtProvider() instructs wxAuiManager to use the
1074 // specified art provider for all drawing calls.  This allows
1075 // plugable look-and-feel features.  The pointer that is
1076 // passed to this method subsequently belongs to wxAuiManager,
1077 // and is deleted in the frame manager destructor
1078 void wxAuiManager::SetArtProvider(wxAuiDockArt* art_provider)
1079 {
1080     // delete the last art provider, if any
1081     delete m_art;
1082
1083     // assign the new art provider
1084     m_art = art_provider;
1085 }
1086
1087
1088 bool wxAuiManager::AddPane(wxWindow* window, const wxAuiPaneInfo& pane_info)
1089 {
1090     wxASSERT_MSG(window, wxT("NULL window ptrs are not allowed"));
1091
1092     // check if the pane has a valid window
1093     if (!window)
1094         return false;
1095
1096     // check if the window is already managed by us
1097     if (GetPane(pane_info.window).IsOk())
1098         return false;
1099
1100     // check if the pane name already exists, this could reveal a
1101     // bug in the library user's application
1102     bool already_exists = false;
1103     if (!pane_info.name.empty() && GetPane(pane_info.name).IsOk())
1104     {
1105         wxFAIL_MSG(wxT("A pane with that name already exists in the manager!"));
1106         already_exists = true;
1107     }
1108
1109     // if the new pane is docked then we should undo maximize
1110     if (pane_info.IsDocked())
1111         RestoreMaximizedPane();
1112
1113     m_panes.Add(pane_info);
1114
1115     wxAuiPaneInfo& pinfo = m_panes.Last();
1116
1117     // set the pane window
1118     pinfo.window = window;
1119
1120
1121     // if the pane's name identifier is blank, create a random string
1122     if (pinfo.name.empty() || already_exists)
1123     {
1124         pinfo.name.Printf(wxT("%08lx%08x%08x%08lx"),
1125              wxPtrToUInt(pinfo.window) & 0xffffffff,
1126              (unsigned int)time(NULL),
1127 #ifdef __WXWINCE__
1128              (unsigned int)GetTickCount(),
1129 #else
1130              (unsigned int)clock(),
1131 #endif
1132              (unsigned long)m_panes.GetCount());
1133     }
1134
1135     // set initial proportion (if not already set)
1136     if (pinfo.dock_proportion == 0)
1137         pinfo.dock_proportion = 100000;
1138
1139     if (pinfo.HasMaximizeButton())
1140     {
1141         wxAuiPaneButton button;
1142         button.button_id = wxAUI_BUTTON_MAXIMIZE_RESTORE;
1143         pinfo.buttons.Add(button);
1144     }
1145
1146     if (pinfo.HasPinButton())
1147     {
1148         wxAuiPaneButton button;
1149         button.button_id = wxAUI_BUTTON_PIN;
1150         pinfo.buttons.Add(button);
1151     }
1152
1153     if (pinfo.HasCloseButton())
1154     {
1155         wxAuiPaneButton button;
1156         button.button_id = wxAUI_BUTTON_CLOSE;
1157         pinfo.buttons.Add(button);
1158     }
1159
1160     if (pinfo.HasGripper())
1161     {
1162         if (pinfo.window->IsKindOf(CLASSINFO(wxAuiToolBar)))
1163         {
1164             // prevent duplicate gripper -- both wxAuiManager and wxAuiToolBar
1165             // have a gripper control.  The toolbar's built-in gripper
1166             // meshes better with the look and feel of the control than ours,
1167             // so turn wxAuiManager's gripper off, and the toolbar's on.
1168
1169             wxAuiToolBar* tb = static_cast<wxAuiToolBar*>(pinfo.window);
1170             pinfo.SetFlag(wxAuiPaneInfo::optionGripper, false);
1171             tb->SetGripperVisible(true);
1172         }
1173     }
1174
1175
1176     if (pinfo.best_size == wxDefaultSize &&
1177         pinfo.window)
1178     {
1179         pinfo.best_size = pinfo.window->GetClientSize();
1180
1181         if (pinfo.window->IsKindOf(CLASSINFO(wxToolBar)))
1182         {
1183             // GetClientSize() doesn't get the best size for
1184             // a toolbar under some newer versions of wxWidgets,
1185             // so use GetBestSize()
1186             pinfo.best_size = pinfo.window->GetBestSize();
1187
1188             // for some reason, wxToolBar::GetBestSize() is returning
1189             // a size that is a pixel shy of the correct amount.
1190             // I believe this to be the correct action, until
1191             // wxToolBar::GetBestSize() is fixed.  Is this assumption
1192             // correct?
1193             // commented out by JACS 2007-9-08 after having added a pixel in wxMSW's wxToolBar::DoGetBestSize()
1194             // pinfo.best_size.y++;
1195         }
1196
1197         if (pinfo.min_size != wxDefaultSize)
1198         {
1199             if (pinfo.best_size.x < pinfo.min_size.x)
1200                 pinfo.best_size.x = pinfo.min_size.x;
1201             if (pinfo.best_size.y < pinfo.min_size.y)
1202                 pinfo.best_size.y = pinfo.min_size.y;
1203         }
1204     }
1205
1206
1207
1208     return true;
1209 }
1210
1211 bool wxAuiManager::AddPane(wxWindow* window,
1212                            int direction,
1213                            const wxString& caption)
1214 {
1215     wxAuiPaneInfo pinfo;
1216     pinfo.Caption(caption);
1217     switch (direction)
1218     {
1219         case wxTOP:    pinfo.Top(); break;
1220         case wxBOTTOM: pinfo.Bottom(); break;
1221         case wxLEFT:   pinfo.Left(); break;
1222         case wxRIGHT:  pinfo.Right(); break;
1223         case wxCENTER: pinfo.CenterPane(); break;
1224     }
1225     return AddPane(window, pinfo);
1226 }
1227
1228 bool wxAuiManager::AddPane(wxWindow* window,
1229                            const wxAuiPaneInfo& pane_info,
1230                            const wxPoint& drop_pos)
1231 {
1232     if (!AddPane(window, pane_info))
1233         return false;
1234
1235     wxAuiPaneInfo& pane = GetPane(window);
1236
1237     DoDrop(m_docks, m_panes, pane, drop_pos, wxPoint(0,0));
1238
1239     return true;
1240 }
1241
1242 bool wxAuiManager::InsertPane(wxWindow* window, const wxAuiPaneInfo& pane_info,
1243                                 int insert_level)
1244 {
1245     wxASSERT_MSG(window, wxT("NULL window ptrs are not allowed"));
1246
1247     // shift the panes around, depending on the insert level
1248     switch (insert_level)
1249     {
1250         case wxAUI_INSERT_PANE:
1251             DoInsertPane(m_panes,
1252                  pane_info.dock_direction,
1253                  pane_info.dock_layer,
1254                  pane_info.dock_row,
1255                  pane_info.dock_pos);
1256             break;
1257         case wxAUI_INSERT_ROW:
1258             DoInsertDockRow(m_panes,
1259                  pane_info.dock_direction,
1260                  pane_info.dock_layer,
1261                  pane_info.dock_row);
1262             break;
1263         case wxAUI_INSERT_DOCK:
1264             DoInsertDockLayer(m_panes,
1265                  pane_info.dock_direction,
1266                  pane_info.dock_layer);
1267             break;
1268     }
1269
1270     // if the window already exists, we are basically just moving/inserting the
1271     // existing window.  If it doesn't exist, we need to add it and insert it
1272     wxAuiPaneInfo& existing_pane = GetPane(window);
1273     if (!existing_pane.IsOk())
1274     {
1275         return AddPane(window, pane_info);
1276     }
1277     else
1278     {
1279         if (pane_info.IsFloating())
1280         {
1281             existing_pane.Float();
1282             if (pane_info.floating_pos != wxDefaultPosition)
1283                 existing_pane.FloatingPosition(pane_info.floating_pos);
1284             if (pane_info.floating_size != wxDefaultSize)
1285                 existing_pane.FloatingSize(pane_info.floating_size);
1286         }
1287         else
1288         {
1289             // if the new pane is docked then we should undo maximize
1290             RestoreMaximizedPane();
1291
1292             existing_pane.Direction(pane_info.dock_direction);
1293             existing_pane.Layer(pane_info.dock_layer);
1294             existing_pane.Row(pane_info.dock_row);
1295             existing_pane.Position(pane_info.dock_pos);
1296         }
1297     }
1298
1299     return true;
1300 }
1301
1302
1303 // DetachPane() removes a pane from the frame manager.  This
1304 // method will not destroy the window that is removed.
1305 bool wxAuiManager::DetachPane(wxWindow* window)
1306 {
1307     wxASSERT_MSG(window, wxT("NULL window ptrs are not allowed"));
1308
1309     int i, count;
1310     for (i = 0, count = m_panes.GetCount(); i < count; ++i)
1311     {
1312         wxAuiPaneInfo& p = m_panes.Item(i);
1313         if (p.window == window)
1314         {
1315             if (p.frame)
1316             {
1317                 // we have a floating frame which is being detached. We need to
1318                 // reparent it to m_frame and destroy the floating frame
1319
1320                 // reduce flicker
1321                 p.window->SetSize(1,1);
1322
1323                 if (p.frame->IsShown())
1324                     p.frame->Show(false);
1325
1326                 // reparent to m_frame and destroy the pane
1327                 if (m_action_window == p.frame)
1328                 {
1329                     m_action_window = NULL;
1330                 }
1331
1332                 p.window->Reparent(m_frame);
1333                 p.frame->SetSizer(NULL);
1334                 p.frame->Destroy();
1335                 p.frame = NULL;
1336             }
1337
1338             // make sure there are no references to this pane in our uiparts,
1339             // just in case the caller doesn't call Update() immediately after
1340             // the DetachPane() call.  This prevets obscure crashes which would
1341             // happen at window repaint if the caller forgets to call Update()
1342             int pi, part_count;
1343             for (pi = 0, part_count = (int)m_uiparts.GetCount(); pi < part_count; ++pi)
1344             {
1345                 wxAuiDockUIPart& part = m_uiparts.Item(pi);
1346                 if (part.pane == &p)
1347                 {
1348                     m_uiparts.RemoveAt(pi);
1349                     part_count--;
1350                     pi--;
1351                     continue;
1352                 }
1353             }
1354
1355             m_panes.RemoveAt(i);
1356             return true;
1357         }
1358     }
1359     return false;
1360 }
1361
1362 // ClosePane() destroys or hides the pane depending on its flags
1363 void wxAuiManager::ClosePane(wxAuiPaneInfo& pane_info)
1364 {
1365     // if we were maximized, restore
1366     if (pane_info.IsMaximized())
1367     {
1368         RestorePane(pane_info);
1369     }
1370
1371     // first, hide the window
1372     if (pane_info.window && pane_info.window->IsShown())
1373     {
1374         pane_info.window->Show(false);
1375     }
1376
1377     // make sure that we are the parent of this window
1378     if (pane_info.window && pane_info.window->GetParent() != m_frame)
1379     {
1380         pane_info.window->Reparent(m_frame);
1381     }
1382
1383     // if we have a frame, destroy it
1384     if (pane_info.frame)
1385     {
1386         pane_info.frame->Destroy();
1387         pane_info.frame = NULL;
1388     }
1389
1390     // now we need to either destroy or hide the pane
1391     if (pane_info.IsDestroyOnClose())
1392     {
1393         wxWindow * window = pane_info.window;
1394         DetachPane(window);
1395         if (window)
1396         {
1397             window->Destroy();
1398         }
1399     }
1400     else
1401     {
1402         pane_info.Hide();
1403     }
1404 }
1405
1406 void wxAuiManager::MaximizePane(wxAuiPaneInfo& pane_info)
1407 {
1408     int i, pane_count;
1409
1410     // un-maximize and hide all other panes
1411     for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
1412     {
1413         wxAuiPaneInfo& p = m_panes.Item(i);
1414         if (!p.IsToolbar() && !p.IsFloating())
1415         {
1416             p.Restore();
1417
1418             // save hidden state
1419             p.SetFlag(wxAuiPaneInfo::savedHiddenState,
1420                       p.HasFlag(wxAuiPaneInfo::optionHidden));
1421
1422             // hide the pane, because only the newly
1423             // maximized pane should show
1424             p.Hide();
1425         }
1426     }
1427
1428     // mark ourselves maximized
1429     pane_info.Maximize();
1430     pane_info.Show();
1431     m_has_maximized = true;
1432
1433     // last, show the window
1434     if (pane_info.window && !pane_info.window->IsShown())
1435     {
1436         pane_info.window->Show(true);
1437     }
1438 }
1439
1440 void wxAuiManager::RestorePane(wxAuiPaneInfo& pane_info)
1441 {
1442     int i, pane_count;
1443
1444     // restore all the panes
1445     for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
1446     {
1447         wxAuiPaneInfo& p = m_panes.Item(i);
1448         if (!p.IsToolbar())
1449         {
1450             p.SetFlag(wxAuiPaneInfo::optionHidden,
1451                       p.HasFlag(wxAuiPaneInfo::savedHiddenState));
1452         }
1453     }
1454
1455     // mark ourselves non-maximized
1456     pane_info.Restore();
1457     m_has_maximized = false;
1458
1459     // last, show the window
1460     if (pane_info.window && !pane_info.window->IsShown())
1461     {
1462         pane_info.window->Show(true);
1463     }
1464 }
1465
1466 void wxAuiManager::RestoreMaximizedPane()
1467 {
1468     int i, pane_count;
1469
1470     // restore all the panes
1471     for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
1472     {
1473         wxAuiPaneInfo& p = m_panes.Item(i);
1474         if (p.IsMaximized())
1475         {
1476             RestorePane(p);
1477             break;
1478         }
1479     }
1480 }
1481
1482 // EscapeDelimiters() changes ";" into "\;" and "|" into "\|"
1483 // in the input string.  This is an internal functions which is
1484 // used for saving perspectives
1485 static wxString EscapeDelimiters(const wxString& s)
1486 {
1487     wxString result;
1488     result.Alloc(s.length());
1489     const wxChar* ch = s.c_str();
1490     while (*ch)
1491     {
1492         if (*ch == wxT(';') || *ch == wxT('|'))
1493             result += wxT('\\');
1494         result += *ch;
1495         ++ch;
1496     }
1497     return result;
1498 }
1499
1500 wxString wxAuiManager::SavePaneInfo(wxAuiPaneInfo& pane)
1501 {
1502     wxString result = wxT("name=");
1503     result += EscapeDelimiters(pane.name);
1504     result += wxT(";");
1505
1506     result += wxT("caption=");
1507     result += EscapeDelimiters(pane.caption);
1508     result += wxT(";");
1509
1510     result += wxString::Format(wxT("state=%u;"), pane.state);
1511     result += wxString::Format(wxT("dir=%d;"), pane.dock_direction);
1512     result += wxString::Format(wxT("layer=%d;"), pane.dock_layer);
1513     result += wxString::Format(wxT("row=%d;"), pane.dock_row);
1514     result += wxString::Format(wxT("pos=%d;"), pane.dock_pos);
1515     result += wxString::Format(wxT("prop=%d;"), pane.dock_proportion);
1516     result += wxString::Format(wxT("bestw=%d;"), pane.best_size.x);
1517     result += wxString::Format(wxT("besth=%d;"), pane.best_size.y);
1518     result += wxString::Format(wxT("minw=%d;"), pane.min_size.x);
1519     result += wxString::Format(wxT("minh=%d;"), pane.min_size.y);
1520     result += wxString::Format(wxT("maxw=%d;"), pane.max_size.x);
1521     result += wxString::Format(wxT("maxh=%d;"), pane.max_size.y);
1522     result += wxString::Format(wxT("floatx=%d;"), pane.floating_pos.x);
1523     result += wxString::Format(wxT("floaty=%d;"), pane.floating_pos.y);
1524     result += wxString::Format(wxT("floatw=%d;"), pane.floating_size.x);
1525     result += wxString::Format(wxT("floath=%d"), pane.floating_size.y);
1526
1527     return result;
1528 }
1529
1530 // Load a "pane" with the pane infor settings in pane_part
1531 void wxAuiManager::LoadPaneInfo(wxString pane_part, wxAuiPaneInfo &pane)
1532 {
1533     // replace escaped characters so we can
1534     // split up the string easily
1535     pane_part.Replace(wxT("\\|"), wxT("\a"));
1536     pane_part.Replace(wxT("\\;"), wxT("\b"));
1537
1538     while(1)
1539     {
1540         wxString val_part = pane_part.BeforeFirst(wxT(';'));
1541         pane_part = pane_part.AfterFirst(wxT(';'));
1542         wxString val_name = val_part.BeforeFirst(wxT('='));
1543         wxString value = val_part.AfterFirst(wxT('='));
1544         val_name.MakeLower();
1545         val_name.Trim(true);
1546         val_name.Trim(false);
1547         value.Trim(true);
1548         value.Trim(false);
1549
1550         if (val_name.empty())
1551             break;
1552
1553         if (val_name == wxT("name"))
1554             pane.name = value;
1555         else if (val_name == wxT("caption"))
1556             pane.caption = value;
1557         else if (val_name == wxT("state"))
1558             pane.state = (unsigned int)wxAtoi(value.c_str());
1559         else if (val_name == wxT("dir"))
1560             pane.dock_direction = wxAtoi(value.c_str());
1561         else if (val_name == wxT("layer"))
1562             pane.dock_layer = wxAtoi(value.c_str());
1563         else if (val_name == wxT("row"))
1564             pane.dock_row = wxAtoi(value.c_str());
1565         else if (val_name == wxT("pos"))
1566             pane.dock_pos = wxAtoi(value.c_str());
1567         else if (val_name == wxT("prop"))
1568             pane.dock_proportion = wxAtoi(value.c_str());
1569         else if (val_name == wxT("bestw"))
1570             pane.best_size.x = wxAtoi(value.c_str());
1571         else if (val_name == wxT("besth"))
1572             pane.best_size.y = wxAtoi(value.c_str());
1573         else if (val_name == wxT("minw"))
1574             pane.min_size.x = wxAtoi(value.c_str());
1575         else if (val_name == wxT("minh"))
1576             pane.min_size.y = wxAtoi(value.c_str());
1577         else if (val_name == wxT("maxw"))
1578             pane.max_size.x = wxAtoi(value.c_str());
1579         else if (val_name == wxT("maxh"))
1580             pane.max_size.y = wxAtoi(value.c_str());
1581         else if (val_name == wxT("floatx"))
1582             pane.floating_pos.x = wxAtoi(value.c_str());
1583         else if (val_name == wxT("floaty"))
1584             pane.floating_pos.y = wxAtoi(value.c_str());
1585         else if (val_name == wxT("floatw"))
1586             pane.floating_size.x = wxAtoi(value.c_str());
1587         else if (val_name == wxT("floath"))
1588             pane.floating_size.y = wxAtoi(value.c_str());
1589         else {
1590             wxFAIL_MSG(wxT("Bad Perspective String"));
1591         }
1592     }
1593
1594     // replace escaped characters so we can
1595     // split up the string easily
1596     pane.name.Replace(wxT("\a"), wxT("|"));
1597     pane.name.Replace(wxT("\b"), wxT(";"));
1598     pane.caption.Replace(wxT("\a"), wxT("|"));
1599     pane.caption.Replace(wxT("\b"), wxT(";"));
1600     pane_part.Replace(wxT("\a"), wxT("|"));
1601     pane_part.Replace(wxT("\b"), wxT(";"));
1602
1603     return;
1604 }
1605
1606
1607 // SavePerspective() saves all pane information as a single string.
1608 // This string may later be fed into LoadPerspective() to restore
1609 // all pane settings.  This save and load mechanism allows an
1610 // exact pane configuration to be saved and restored at a later time
1611
1612 wxString wxAuiManager::SavePerspective()
1613 {
1614     wxString result;
1615     result.Alloc(500);
1616     result = wxT("layout2|");
1617
1618     int pane_i, pane_count = m_panes.GetCount();
1619     for (pane_i = 0; pane_i < pane_count; ++pane_i)
1620     {
1621         wxAuiPaneInfo& pane = m_panes.Item(pane_i);
1622         result += SavePaneInfo(pane)+wxT("|");
1623     }
1624
1625     int dock_i, dock_count = m_docks.GetCount();
1626     for (dock_i = 0; dock_i < dock_count; ++dock_i)
1627     {
1628         wxAuiDockInfo& dock = m_docks.Item(dock_i);
1629
1630         result += wxString::Format(wxT("dock_size(%d,%d,%d)=%d|"),
1631                                    dock.dock_direction, dock.dock_layer,
1632                                    dock.dock_row, dock.size);
1633     }
1634
1635     return result;
1636 }
1637
1638 // LoadPerspective() loads a layout which was saved with SavePerspective()
1639 // If the "update" flag parameter is true, the GUI will immediately be updated
1640
1641 bool wxAuiManager::LoadPerspective(const wxString& layout, bool update)
1642 {
1643     wxString input = layout;
1644     wxString part;
1645
1646     // check layout string version
1647     //    'layout1' = wxAUI 0.9.0 - wxAUI 0.9.2
1648     //    'layout2' = wxAUI 0.9.2 (wxWidgets 2.8)
1649     part = input.BeforeFirst(wxT('|'));
1650     input = input.AfterFirst(wxT('|'));
1651     part.Trim(true);
1652     part.Trim(false);
1653     if (part != wxT("layout2"))
1654         return false;
1655
1656     // mark all panes currently managed as docked and hidden
1657     int pane_i, pane_count = m_panes.GetCount();
1658     for (pane_i = 0; pane_i < pane_count; ++pane_i)
1659         m_panes.Item(pane_i).Dock().Hide();
1660
1661     // clear out the dock array; this will be reconstructed
1662     m_docks.Clear();
1663
1664     // replace escaped characters so we can
1665     // split up the string easily
1666     input.Replace(wxT("\\|"), wxT("\a"));
1667     input.Replace(wxT("\\;"), wxT("\b"));
1668
1669     while (1)
1670     {
1671         wxAuiPaneInfo pane;
1672
1673         wxString pane_part = input.BeforeFirst(wxT('|'));
1674         input = input.AfterFirst(wxT('|'));
1675         pane_part.Trim(true);
1676
1677         // if the string is empty, we're done parsing
1678         if (pane_part.empty())
1679             break;
1680
1681         if (pane_part.Left(9) == wxT("dock_size"))
1682         {
1683             wxString val_name = pane_part.BeforeFirst(wxT('='));
1684             wxString value = pane_part.AfterFirst(wxT('='));
1685
1686             long dir, layer, row, size;
1687             wxString piece = val_name.AfterFirst(wxT('('));
1688             piece = piece.BeforeLast(wxT(')'));
1689             piece.BeforeFirst(wxT(',')).ToLong(&dir);
1690             piece = piece.AfterFirst(wxT(','));
1691             piece.BeforeFirst(wxT(',')).ToLong(&layer);
1692             piece.AfterFirst(wxT(',')).ToLong(&row);
1693             value.ToLong(&size);
1694
1695             wxAuiDockInfo dock;
1696             dock.dock_direction = dir;
1697             dock.dock_layer = layer;
1698             dock.dock_row = row;
1699             dock.size = size;
1700             m_docks.Add(dock);
1701             continue;
1702         }
1703
1704         // Undo our escaping as LoadPaneInfo needs to take an unescaped
1705         // name so it can be called by external callers
1706         pane_part.Replace(wxT("\a"), wxT("|"));
1707         pane_part.Replace(wxT("\b"), wxT(";"));
1708
1709         LoadPaneInfo(pane_part, pane);
1710
1711         wxAuiPaneInfo& p = GetPane(pane.name);
1712         if (!p.IsOk())
1713         {
1714             // the pane window couldn't be found
1715             // in the existing layout -- skip it
1716             continue;
1717         }
1718
1719         p.SafeSet(pane);
1720     }
1721
1722     if (update)
1723         Update();
1724
1725     return true;
1726 }
1727
1728 void wxAuiManager::GetPanePositionsAndSizes(wxAuiDockInfo& dock,
1729                                             wxArrayInt& positions,
1730                                             wxArrayInt& sizes)
1731 {
1732     int caption_size = m_art->GetMetric(wxAUI_DOCKART_CAPTION_SIZE);
1733     int pane_border_size = m_art->GetMetric(wxAUI_DOCKART_PANE_BORDER_SIZE);
1734     int gripper_size = m_art->GetMetric(wxAUI_DOCKART_GRIPPER_SIZE);
1735
1736     positions.Empty();
1737     sizes.Empty();
1738
1739     int offset, action_pane = -1;
1740     int pane_i, pane_count = dock.panes.GetCount();
1741
1742     // find the pane marked as our action pane
1743     for (pane_i = 0; pane_i < pane_count; ++pane_i)
1744     {
1745         wxAuiPaneInfo& pane = *(dock.panes.Item(pane_i));
1746
1747         if (pane.HasFlag(wxAuiPaneInfo::actionPane))
1748         {
1749             wxASSERT_MSG(action_pane==-1, wxT("Too many fixed action panes"));
1750             action_pane = pane_i;
1751         }
1752     }
1753
1754     // set up each panes default position, and
1755     // determine the size (width or height, depending
1756     // on the dock's orientation) of each pane
1757     for (pane_i = 0; pane_i < pane_count; ++pane_i)
1758     {
1759         wxAuiPaneInfo& pane = *(dock.panes.Item(pane_i));
1760         positions.Add(pane.dock_pos);
1761         int size = 0;
1762
1763         if (pane.HasBorder())
1764             size += (pane_border_size*2);
1765
1766         if (dock.IsHorizontal())
1767         {
1768             if (pane.HasGripper() && !pane.HasGripperTop())
1769                 size += gripper_size;
1770             size += pane.best_size.x;
1771         }
1772         else
1773         {
1774             if (pane.HasGripper() && pane.HasGripperTop())
1775                 size += gripper_size;
1776
1777             if (pane.HasCaption())
1778                 size += caption_size;
1779             size += pane.best_size.y;
1780         }
1781
1782         sizes.Add(size);
1783     }
1784
1785     // if there is no action pane, just return the default
1786     // positions (as specified in pane.pane_pos)
1787     if (action_pane == -1)
1788         return;
1789
1790     offset = 0;
1791     for (pane_i = action_pane-1; pane_i >= 0; --pane_i)
1792     {
1793         int amount = positions[pane_i+1] - (positions[pane_i] + sizes[pane_i]);
1794
1795         if (amount >= 0)
1796             offset += amount;
1797         else
1798             positions[pane_i] -= -amount;
1799
1800         offset += sizes[pane_i];
1801     }
1802
1803     // if the dock mode is fixed, make sure none of the panes
1804     // overlap; we will bump panes that overlap
1805     offset = 0;
1806     for (pane_i = action_pane; pane_i < pane_count; ++pane_i)
1807     {
1808         int amount = positions[pane_i] - offset;
1809         if (amount >= 0)
1810             offset += amount;
1811         else
1812             positions[pane_i] += -amount;
1813
1814         offset += sizes[pane_i];
1815     }
1816 }
1817
1818
1819 void wxAuiManager::LayoutAddPane(wxSizer* cont,
1820                                  wxAuiDockInfo& dock,
1821                                  wxAuiPaneInfo& pane,
1822                                  wxAuiDockUIPartArray& uiparts,
1823                                  bool spacer_only)
1824 {
1825     wxAuiDockUIPart part;
1826     wxSizerItem* sizer_item;
1827
1828     int caption_size = m_art->GetMetric(wxAUI_DOCKART_CAPTION_SIZE);
1829     int gripper_size = m_art->GetMetric(wxAUI_DOCKART_GRIPPER_SIZE);
1830     int pane_border_size = m_art->GetMetric(wxAUI_DOCKART_PANE_BORDER_SIZE);
1831     int pane_button_size = m_art->GetMetric(wxAUI_DOCKART_PANE_BUTTON_SIZE);
1832
1833     // find out the orientation of the item (orientation for panes
1834     // is the same as the dock's orientation)
1835     int orientation;
1836     if (dock.IsHorizontal())
1837         orientation = wxHORIZONTAL;
1838     else
1839         orientation = wxVERTICAL;
1840
1841     // this variable will store the proportion
1842     // value that the pane will receive
1843     int pane_proportion = pane.dock_proportion;
1844
1845     wxBoxSizer* horz_pane_sizer = new wxBoxSizer(wxHORIZONTAL);
1846     wxBoxSizer* vert_pane_sizer = new wxBoxSizer(wxVERTICAL);
1847
1848     if (pane.HasGripper())
1849     {
1850         if (pane.HasGripperTop())
1851             sizer_item = vert_pane_sizer ->Add(1, gripper_size, 0, wxEXPAND);
1852         else
1853             sizer_item = horz_pane_sizer ->Add(gripper_size, 1, 0, wxEXPAND);
1854
1855         part.type = wxAuiDockUIPart::typeGripper;
1856         part.dock = &dock;
1857         part.pane = &pane;
1858         part.button = NULL;
1859         part.orientation = orientation;
1860         part.cont_sizer = horz_pane_sizer;
1861         part.sizer_item = sizer_item;
1862         uiparts.Add(part);
1863     }
1864
1865     if (pane.HasCaption())
1866     {
1867         // create the caption sizer
1868         wxBoxSizer* caption_sizer = new wxBoxSizer(wxHORIZONTAL);
1869
1870         sizer_item = caption_sizer->Add(1, caption_size, 1, wxEXPAND);
1871
1872         part.type = wxAuiDockUIPart::typeCaption;
1873         part.dock = &dock;
1874         part.pane = &pane;
1875         part.button = NULL;
1876         part.orientation = orientation;
1877         part.cont_sizer = vert_pane_sizer;
1878         part.sizer_item = sizer_item;
1879         int caption_part_idx = uiparts.GetCount();
1880         uiparts.Add(part);
1881
1882         // add pane buttons to the caption
1883         int i, button_count;
1884         for (i = 0, button_count = pane.buttons.GetCount();
1885              i < button_count; ++i)
1886         {
1887             wxAuiPaneButton& button = pane.buttons.Item(i);
1888
1889             sizer_item = caption_sizer->Add(pane_button_size,
1890                                             caption_size,
1891                                             0, wxEXPAND);
1892
1893             part.type = wxAuiDockUIPart::typePaneButton;
1894             part.dock = &dock;
1895             part.pane = &pane;
1896             part.button = &button;
1897             part.orientation = orientation;
1898             part.cont_sizer = caption_sizer;
1899             part.sizer_item = sizer_item;
1900             uiparts.Add(part);
1901         }
1902
1903         // if we have buttons, add a little space to the right
1904         // of them to ease visual crowding
1905         if (button_count >= 1)
1906         {
1907             caption_sizer->Add(3,1);
1908         }
1909
1910         // add the caption sizer
1911         sizer_item = vert_pane_sizer->Add(caption_sizer, 0, wxEXPAND);
1912
1913         uiparts.Item(caption_part_idx).sizer_item = sizer_item;
1914     }
1915
1916     // add the pane window itself
1917     if (spacer_only)
1918     {
1919         sizer_item = vert_pane_sizer->Add(1, 1, 1, wxEXPAND);
1920     }
1921     else
1922     {
1923         sizer_item = vert_pane_sizer->Add(pane.window, 1, wxEXPAND);
1924         // Don't do this because it breaks the pane size in floating windows
1925         // BIW: Right now commenting this out is causing problems with
1926         // an mdi client window as the center pane.
1927         vert_pane_sizer->SetItemMinSize(pane.window, 1, 1);
1928     }
1929
1930     part.type = wxAuiDockUIPart::typePane;
1931     part.dock = &dock;
1932     part.pane = &pane;
1933     part.button = NULL;
1934     part.orientation = orientation;
1935     part.cont_sizer = vert_pane_sizer;
1936     part.sizer_item = sizer_item;
1937     uiparts.Add(part);
1938
1939
1940     // determine if the pane should have a minimum size; if the pane is
1941     // non-resizable (fixed) then we must set a minimum size. Alternatively,
1942     // if the pane.min_size is set, we must use that value as well
1943
1944     wxSize min_size = pane.min_size;
1945     if (pane.IsFixed())
1946     {
1947         if (min_size == wxDefaultSize)
1948         {
1949             min_size = pane.best_size;
1950             pane_proportion = 0;
1951         }
1952     }
1953
1954     if (min_size != wxDefaultSize)
1955     {
1956         vert_pane_sizer->SetItemMinSize(
1957                         vert_pane_sizer->GetChildren().GetCount()-1,
1958                         min_size.x, min_size.y);
1959     }
1960
1961
1962     // add the verticle sizer (caption, pane window) to the
1963     // horizontal sizer (gripper, verticle sizer)
1964     horz_pane_sizer->Add(vert_pane_sizer, 1, wxEXPAND);
1965
1966     // finally, add the pane sizer to the dock sizer
1967
1968     if (pane.HasBorder())
1969     {
1970         // allowing space for the pane's border
1971         sizer_item = cont->Add(horz_pane_sizer, pane_proportion,
1972                                wxEXPAND | wxALL, pane_border_size);
1973
1974         part.type = wxAuiDockUIPart::typePaneBorder;
1975         part.dock = &dock;
1976         part.pane = &pane;
1977         part.button = NULL;
1978         part.orientation = orientation;
1979         part.cont_sizer = cont;
1980         part.sizer_item = sizer_item;
1981         uiparts.Add(part);
1982     }
1983     else
1984     {
1985         sizer_item = cont->Add(horz_pane_sizer, pane_proportion, wxEXPAND);
1986     }
1987 }
1988
1989 void wxAuiManager::LayoutAddDock(wxSizer* cont,
1990                                  wxAuiDockInfo& dock,
1991                                  wxAuiDockUIPartArray& uiparts,
1992                                  bool spacer_only)
1993 {
1994     wxSizerItem* sizer_item;
1995     wxAuiDockUIPart part;
1996
1997     int sash_size = m_art->GetMetric(wxAUI_DOCKART_SASH_SIZE);
1998     int orientation = dock.IsHorizontal() ? wxHORIZONTAL : wxVERTICAL;
1999
2000     // resizable bottom and right docks have a sash before them
2001     if (!m_has_maximized && !dock.fixed && (dock.dock_direction == wxAUI_DOCK_BOTTOM ||
2002                         dock.dock_direction == wxAUI_DOCK_RIGHT))
2003     {
2004         sizer_item = cont->Add(sash_size, sash_size, 0, wxEXPAND);
2005
2006         part.type = wxAuiDockUIPart::typeDockSizer;
2007         part.orientation = orientation;
2008         part.dock = &dock;
2009         part.pane = NULL;
2010         part.button = NULL;
2011         part.cont_sizer = cont;
2012         part.sizer_item = sizer_item;
2013         uiparts.Add(part);
2014     }
2015
2016     // create the sizer for the dock
2017     wxSizer* dock_sizer = new wxAuiProportionalBoxSizer(orientation);
2018
2019     // add each pane to the dock
2020     bool has_maximized_pane = false;
2021     int pane_i, pane_count = dock.panes.GetCount();
2022
2023     if (dock.fixed)
2024     {
2025         wxArrayInt pane_positions, pane_sizes;
2026
2027         // figure out the real pane positions we will
2028         // use, without modifying the each pane's pane_pos member
2029         GetPanePositionsAndSizes(dock, pane_positions, pane_sizes);
2030
2031         int offset = 0;
2032         for (pane_i = 0; pane_i < pane_count; ++pane_i)
2033         {
2034             wxAuiPaneInfo& pane = *(dock.panes.Item(pane_i));
2035             int pane_pos = pane_positions.Item(pane_i);
2036
2037             if (pane.IsMaximized())
2038                 has_maximized_pane = true;
2039
2040
2041             int amount = pane_pos - offset;
2042             if (amount > 0)
2043             {
2044                 if (dock.IsVertical())
2045                     sizer_item = dock_sizer->Add(1, amount, 0, wxEXPAND);
2046                 else
2047                     sizer_item = dock_sizer->Add(amount, 1, 0, wxEXPAND);
2048
2049                 part.type = wxAuiDockUIPart::typeBackground;
2050                 part.dock = &dock;
2051                 part.pane = NULL;
2052                 part.button = NULL;
2053                 part.orientation = (orientation==wxHORIZONTAL) ? wxVERTICAL:wxHORIZONTAL;
2054                 part.cont_sizer = dock_sizer;
2055                 part.sizer_item = sizer_item;
2056                 uiparts.Add(part);
2057
2058                 offset += amount;
2059             }
2060
2061             LayoutAddPane(dock_sizer, dock, pane, uiparts, spacer_only);
2062
2063             offset += pane_sizes.Item(pane_i);
2064         }
2065
2066         // at the end add a very small stretchable background area
2067         sizer_item = dock_sizer->Add(0,0, 1, wxEXPAND);
2068
2069         part.type = wxAuiDockUIPart::typeBackground;
2070         part.dock = &dock;
2071         part.pane = NULL;
2072         part.button = NULL;
2073         part.orientation = orientation;
2074         part.cont_sizer = dock_sizer;
2075         part.sizer_item = sizer_item;
2076         uiparts.Add(part);
2077     }
2078     else
2079     {
2080         for (pane_i = 0; pane_i < pane_count; ++pane_i)
2081         {
2082             wxAuiPaneInfo& pane = *(dock.panes.Item(pane_i));
2083
2084             if (pane.IsMaximized())
2085                 has_maximized_pane = true;
2086
2087             // if this is not the first pane being added,
2088             // we need to add a pane sizer
2089             if (!m_has_maximized && pane_i > 0)
2090             {
2091                 sizer_item = dock_sizer->Add(sash_size, sash_size, 0, wxEXPAND);
2092
2093                 part.type = wxAuiDockUIPart::typePaneSizer;
2094                 part.dock = &dock;
2095                 part.pane = dock.panes.Item(pane_i-1);
2096                 part.button = NULL;
2097                 part.orientation = (orientation==wxHORIZONTAL) ? wxVERTICAL:wxHORIZONTAL;
2098                 part.cont_sizer = dock_sizer;
2099                 part.sizer_item = sizer_item;
2100                 uiparts.Add(part);
2101             }
2102
2103             LayoutAddPane(dock_sizer, dock, pane, uiparts, spacer_only);
2104         }
2105     }
2106
2107     if (dock.dock_direction == wxAUI_DOCK_CENTER || has_maximized_pane)
2108         sizer_item = cont->Add(dock_sizer, 1, wxEXPAND);
2109     else
2110         sizer_item = cont->Add(dock_sizer, 0, wxEXPAND);
2111
2112     part.type = wxAuiDockUIPart::typeDock;
2113     part.dock = &dock;
2114     part.pane = NULL;
2115     part.button = NULL;
2116     part.orientation = orientation;
2117     part.cont_sizer = cont;
2118     part.sizer_item = sizer_item;
2119     uiparts.Add(part);
2120
2121     if (dock.IsHorizontal())
2122         cont->SetItemMinSize(dock_sizer, 0, dock.size);
2123     else
2124         cont->SetItemMinSize(dock_sizer, dock.size, 0);
2125
2126     //  top and left docks have a sash after them
2127     if (!m_has_maximized &&
2128         !dock.fixed &&
2129           (dock.dock_direction == wxAUI_DOCK_TOP ||
2130            dock.dock_direction == wxAUI_DOCK_LEFT))
2131     {
2132         sizer_item = cont->Add(sash_size, sash_size, 0, wxEXPAND);
2133
2134         part.type = wxAuiDockUIPart::typeDockSizer;
2135         part.dock = &dock;
2136         part.pane = NULL;
2137         part.button = NULL;
2138         part.orientation = orientation;
2139         part.cont_sizer = cont;
2140         part.sizer_item = sizer_item;
2141         uiparts.Add(part);
2142     }
2143 }
2144
2145 wxSizer* wxAuiManager::LayoutAll(wxAuiPaneInfoArray& panes,
2146                                  wxAuiDockInfoArray& docks,
2147                                  wxAuiDockUIPartArray& uiparts,
2148                                  bool spacer_only)
2149 {
2150     wxBoxSizer* container = new wxBoxSizer(wxVERTICAL);
2151
2152     int pane_border_size = m_art->GetMetric(wxAUI_DOCKART_PANE_BORDER_SIZE);
2153     int caption_size = m_art->GetMetric(wxAUI_DOCKART_CAPTION_SIZE);
2154     wxSize cli_size = m_frame->GetClientSize();
2155     int i, dock_count, pane_count;
2156
2157
2158     // empty all docks out
2159     for (i = 0, dock_count = docks.GetCount(); i < dock_count; ++i)
2160     {
2161         wxAuiDockInfo& dock = docks.Item(i);
2162
2163         // empty out all panes, as they will be readded below
2164         dock.panes.Empty();
2165
2166         if (dock.fixed)
2167         {
2168             // always reset fixed docks' sizes, because
2169             // the contained windows may have been resized
2170             dock.size = 0;
2171         }
2172     }
2173
2174
2175     // iterate through all known panes, filing each
2176     // of them into the appropriate dock. If the
2177     // pane does not exist in the dock, add it
2178     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
2179     {
2180         wxAuiPaneInfo& p = panes.Item(i);
2181
2182         // find any docks with the same dock direction, dock layer, and
2183         // dock row as the pane we are working on
2184         wxAuiDockInfo* dock;
2185         wxAuiDockInfoPtrArray arr;
2186         FindDocks(docks, p.dock_direction, p.dock_layer, p.dock_row, arr);
2187
2188         if (arr.GetCount() > 0)
2189         {
2190             // found the right dock
2191             dock = arr.Item(0);
2192         }
2193         else
2194         {
2195             // dock was not found, so we need to create a new one
2196             wxAuiDockInfo d;
2197             d.dock_direction = p.dock_direction;
2198             d.dock_layer = p.dock_layer;
2199             d.dock_row = p.dock_row;
2200             docks.Add(d);
2201             dock = &docks.Last();
2202         }
2203
2204
2205         if (p.IsDocked() && p.IsShown())
2206         {
2207             // remove the pane from any existing docks except this one
2208             RemovePaneFromDocks(docks, p, dock);
2209
2210             // pane needs to be added to the dock,
2211             // if it doesn't already exist
2212             if (!FindPaneInDock(*dock, p.window))
2213                 dock->panes.Add(&p);
2214         }
2215         else
2216         {
2217             // remove the pane from any existing docks
2218             RemovePaneFromDocks(docks, p);
2219         }
2220
2221     }
2222
2223     // remove any empty docks
2224     for (i = docks.GetCount()-1; i >= 0; --i)
2225     {
2226         if (docks.Item(i).panes.GetCount() == 0)
2227             docks.RemoveAt(i);
2228     }
2229
2230     // configure the docks further
2231     for (i = 0, dock_count = docks.GetCount(); i < dock_count; ++i)
2232     {
2233         wxAuiDockInfo& dock = docks.Item(i);
2234         int j, dock_pane_count = dock.panes.GetCount();
2235
2236         // sort the dock pane array by the pane's
2237         // dock position (dock_pos), in ascending order
2238         dock.panes.Sort(PaneSortFunc);
2239
2240         // for newly created docks, set up their initial size
2241         if (dock.size == 0)
2242         {
2243             int size = 0;
2244
2245             for (j = 0; j < dock_pane_count; ++j)
2246             {
2247                 wxAuiPaneInfo& pane = *dock.panes.Item(j);
2248                 wxSize pane_size = pane.best_size;
2249                 if (pane_size == wxDefaultSize)
2250                     pane_size = pane.min_size;
2251                 if (pane_size == wxDefaultSize)
2252                     pane_size = pane.window->GetSize();
2253
2254                 if (dock.IsHorizontal())
2255                     size = wxMax(pane_size.y, size);
2256                 else
2257                     size = wxMax(pane_size.x, size);
2258             }
2259
2260             // add space for the border (two times), but only
2261             // if at least one pane inside the dock has a pane border
2262             for (j = 0; j < dock_pane_count; ++j)
2263             {
2264                 if (dock.panes.Item(j)->HasBorder())
2265                 {
2266                     size += (pane_border_size*2);
2267                     break;
2268                 }
2269             }
2270
2271             // if pane is on the top or bottom, add the caption height,
2272             // but only if at least one pane inside the dock has a caption
2273             if (dock.IsHorizontal())
2274             {
2275                 for (j = 0; j < dock_pane_count; ++j)
2276                 {
2277                     if (dock.panes.Item(j)->HasCaption())
2278                     {
2279                         size += caption_size;
2280                         break;
2281                     }
2282                 }
2283             }
2284
2285
2286             // new dock's size may not be more than the dock constraint
2287             // parameter specifies.  See SetDockSizeConstraint()
2288
2289             int max_dock_x_size = (int)(m_dock_constraint_x * ((double)cli_size.x));
2290             int max_dock_y_size = (int)(m_dock_constraint_y * ((double)cli_size.y));
2291
2292             if (dock.IsHorizontal())
2293                 size = wxMin(size, max_dock_y_size);
2294             else
2295                 size = wxMin(size, max_dock_x_size);
2296
2297             // absolute minimum size for a dock is 10 pixels
2298             if (size < 10)
2299                 size = 10;
2300
2301             dock.size = size;
2302         }
2303
2304
2305         // determine the dock's minimum size
2306         bool plus_border = false;
2307         bool plus_caption = false;
2308         int dock_min_size = 0;
2309         for (j = 0; j < dock_pane_count; ++j)
2310         {
2311             wxAuiPaneInfo& pane = *dock.panes.Item(j);
2312             if (pane.min_size != wxDefaultSize)
2313             {
2314                 if (pane.HasBorder())
2315                     plus_border = true;
2316                 if (pane.HasCaption())
2317                     plus_caption = true;
2318                 if (dock.IsHorizontal())
2319                 {
2320                     if (pane.min_size.y > dock_min_size)
2321                         dock_min_size = pane.min_size.y;
2322                 }
2323                 else
2324                 {
2325                     if (pane.min_size.x > dock_min_size)
2326                         dock_min_size = pane.min_size.x;
2327                 }
2328             }
2329         }
2330
2331         if (plus_border)
2332             dock_min_size += (pane_border_size*2);
2333         if (plus_caption && dock.IsHorizontal())
2334             dock_min_size += (caption_size);
2335
2336         dock.min_size = dock_min_size;
2337
2338
2339         // if the pane's current size is less than it's
2340         // minimum, increase the dock's size to it's minimum
2341         if (dock.size < dock.min_size)
2342             dock.size = dock.min_size;
2343
2344
2345         // determine the dock's mode (fixed or proportional);
2346         // determine whether the dock has only toolbars
2347         bool action_pane_marked = false;
2348         dock.fixed = true;
2349         dock.toolbar = true;
2350         for (j = 0; j < dock_pane_count; ++j)
2351         {
2352             wxAuiPaneInfo& pane = *dock.panes.Item(j);
2353             if (!pane.IsFixed())
2354                 dock.fixed = false;
2355             if (!pane.IsToolbar())
2356                 dock.toolbar = false;
2357             if (pane.HasFlag(wxAuiPaneInfo::optionDockFixed))
2358                 dock.fixed = true;
2359             if (pane.HasFlag(wxAuiPaneInfo::actionPane))
2360                 action_pane_marked = true;
2361         }
2362
2363
2364         // if the dock mode is proportional and not fixed-pixel,
2365         // reassign the dock_pos to the sequential 0, 1, 2, 3;
2366         // e.g. remove gaps like 1, 2, 30, 500
2367         if (!dock.fixed)
2368         {
2369             for (j = 0; j < dock_pane_count; ++j)
2370             {
2371                 wxAuiPaneInfo& pane = *dock.panes.Item(j);
2372                 pane.dock_pos = j;
2373             }
2374         }
2375
2376         // if the dock mode is fixed, and none of the panes
2377         // are being moved right now, make sure the panes
2378         // do not overlap each other.  If they do, we will
2379         // adjust the positions of the panes
2380         if (dock.fixed && !action_pane_marked)
2381         {
2382             wxArrayInt pane_positions, pane_sizes;
2383             GetPanePositionsAndSizes(dock, pane_positions, pane_sizes);
2384
2385             int offset = 0;
2386             for (j = 0; j < dock_pane_count; ++j)
2387             {
2388                 wxAuiPaneInfo& pane = *(dock.panes.Item(j));
2389                 pane.dock_pos = pane_positions[j];
2390
2391                 int amount = pane.dock_pos - offset;
2392                 if (amount >= 0)
2393                     offset += amount;
2394                 else
2395                     pane.dock_pos += -amount;
2396
2397                 offset += pane_sizes[j];
2398             }
2399         }
2400     }
2401
2402     // discover the maximum dock layer
2403     int max_layer = 0;
2404     for (i = 0; i < dock_count; ++i)
2405         max_layer = wxMax(max_layer, docks.Item(i).dock_layer);
2406
2407
2408     // clear out uiparts
2409     uiparts.Empty();
2410
2411     // create a bunch of box sizers,
2412     // from the innermost level outwards.
2413     wxSizer* cont = NULL;
2414     wxSizer* middle = NULL;
2415     int layer = 0;
2416     int row, row_count;
2417
2418     for (layer = 0; layer <= max_layer; ++layer)
2419     {
2420         wxAuiDockInfoPtrArray arr;
2421
2422         // find any docks in this layer
2423         FindDocks(docks, -1, layer, -1, arr);
2424
2425         // if there aren't any, skip to the next layer
2426         if (arr.IsEmpty())
2427             continue;
2428
2429         wxSizer* old_cont = cont;
2430
2431         // create a container which will hold this layer's
2432         // docks (top, bottom, left, right)
2433         cont = new wxBoxSizer(wxVERTICAL);
2434
2435
2436         // find any top docks in this layer
2437         FindDocks(docks, wxAUI_DOCK_TOP, layer, -1, arr);
2438         if (!arr.IsEmpty())
2439         {
2440             for (row = 0, row_count = arr.GetCount(); row < row_count; ++row)
2441                 LayoutAddDock(cont, *arr.Item(row), uiparts, spacer_only);
2442         }
2443
2444
2445         // fill out the middle layer (which consists
2446         // of left docks, content area and right docks)
2447
2448         middle = new wxBoxSizer(wxHORIZONTAL);
2449
2450         // find any left docks in this layer
2451         FindDocks(docks, wxAUI_DOCK_LEFT, layer, -1, arr);
2452         if (!arr.IsEmpty())
2453         {
2454             for (row = 0, row_count = arr.GetCount(); row < row_count; ++row)
2455                 LayoutAddDock(middle, *arr.Item(row), uiparts, spacer_only);
2456         }
2457
2458         // add content dock (or previous layer's sizer
2459         // to the middle
2460         if (!old_cont)
2461         {
2462             // find any center docks
2463             FindDocks(docks, wxAUI_DOCK_CENTER, -1, -1, arr);
2464             if (!arr.IsEmpty())
2465             {
2466                 for (row = 0,row_count = arr.GetCount(); row<row_count; ++row)
2467                    LayoutAddDock(middle, *arr.Item(row), uiparts, spacer_only);
2468             }
2469             else if (!m_has_maximized)
2470             {
2471                 // there are no center docks, add a background area
2472                 wxSizerItem* sizer_item = middle->Add(1,1, 1, wxEXPAND);
2473                 wxAuiDockUIPart part;
2474                 part.type = wxAuiDockUIPart::typeBackground;
2475                 part.pane = NULL;
2476                 part.dock = NULL;
2477                 part.button = NULL;
2478                 part.cont_sizer = middle;
2479                 part.sizer_item = sizer_item;
2480                 uiparts.Add(part);
2481             }
2482         }
2483         else
2484         {
2485             middle->Add(old_cont, 1, wxEXPAND);
2486         }
2487
2488         // find any right docks in this layer
2489         FindDocks(docks, wxAUI_DOCK_RIGHT, layer, -1, arr);
2490         if (!arr.IsEmpty())
2491         {
2492             for (row = arr.GetCount()-1; row >= 0; --row)
2493                 LayoutAddDock(middle, *arr.Item(row), uiparts, spacer_only);
2494         }
2495
2496         if (middle->GetChildren().GetCount() > 0)
2497             cont->Add(middle, 1, wxEXPAND);
2498              else
2499             delete middle;
2500
2501
2502
2503         // find any bottom docks in this layer
2504         FindDocks(docks, wxAUI_DOCK_BOTTOM, layer, -1, arr);
2505         if (!arr.IsEmpty())
2506         {
2507             for (row = arr.GetCount()-1; row >= 0; --row)
2508                 LayoutAddDock(cont, *arr.Item(row), uiparts, spacer_only);
2509         }
2510
2511     }
2512
2513     if (!cont)
2514     {
2515         // no sizer available, because there are no docks,
2516         // therefore we will create a simple background area
2517         cont = new wxBoxSizer(wxVERTICAL);
2518         wxSizerItem* sizer_item = cont->Add(1,1, 1, wxEXPAND);
2519         wxAuiDockUIPart part;
2520         part.type = wxAuiDockUIPart::typeBackground;
2521         part.pane = NULL;
2522         part.dock = NULL;
2523         part.button = NULL;
2524         part.cont_sizer = middle;
2525         part.sizer_item = sizer_item;
2526         uiparts.Add(part);
2527     }
2528
2529     container->Add(cont, 1, wxEXPAND);
2530     return container;
2531 }
2532
2533
2534 // SetDockSizeConstraint() allows the dock constraints to be set.  For example,
2535 // specifying values of 0.5, 0.5 will mean that upon dock creation, a dock may
2536 // not be larger than half of the window's size
2537
2538 void wxAuiManager::SetDockSizeConstraint(double width_pct, double height_pct)
2539 {
2540     m_dock_constraint_x = wxMax(0.0, wxMin(1.0, width_pct));
2541     m_dock_constraint_y = wxMax(0.0, wxMin(1.0, height_pct));
2542 }
2543
2544 void wxAuiManager::GetDockSizeConstraint(double* width_pct, double* height_pct) const
2545 {
2546     if (width_pct)
2547         *width_pct = m_dock_constraint_x;
2548
2549     if (height_pct)
2550         *height_pct = m_dock_constraint_y;
2551 }
2552
2553
2554
2555 // Update() updates the layout.  Whenever changes are made to
2556 // one or more panes, this function should be called.  It is the
2557 // external entry point for running the layout engine.
2558
2559 void wxAuiManager::Update()
2560 {
2561     m_hover_button = NULL;
2562     m_action_part = NULL;
2563
2564     wxSizer* sizer;
2565     int i, pane_count = m_panes.GetCount();
2566
2567
2568     // destroy floating panes which have been
2569     // redocked or are becoming non-floating
2570     for (i = 0; i < pane_count; ++i)
2571     {
2572         wxAuiPaneInfo& p = m_panes.Item(i);
2573
2574         if (!p.IsFloating() && p.frame)
2575         {
2576             // because the pane is no longer in a floating, we need to
2577             // reparent it to m_frame and destroy the floating frame
2578
2579             // reduce flicker
2580             p.window->SetSize(1,1);
2581
2582
2583             // the following block is a workaround for bug #1531361
2584             // (see wxWidgets sourceforge page).  On wxGTK (only), when
2585             // a frame is shown/hidden, a move event unfortunately
2586             // also gets fired.  Because we may be dragging around
2587             // a pane, we need to cancel that action here to prevent
2588             // a spurious crash.
2589             if (m_action_window == p.frame)
2590             {
2591                 if (wxWindow::GetCapture() == m_frame)
2592                     m_frame->ReleaseMouse();
2593                 m_action = actionNone;
2594                 m_action_window = NULL;
2595             }
2596
2597             // hide the frame
2598             if (p.frame->IsShown())
2599                 p.frame->Show(false);
2600
2601             // reparent to m_frame and destroy the pane
2602             if (m_action_window == p.frame)
2603             {
2604                 m_action_window = NULL;
2605             }
2606
2607             p.window->Reparent(m_frame);
2608             p.frame->SetSizer(NULL);
2609             p.frame->Destroy();
2610             p.frame = NULL;
2611         }
2612     }
2613
2614
2615     // delete old sizer first
2616     m_frame->SetSizer(NULL);
2617
2618     // create a layout for all of the panes
2619     sizer = LayoutAll(m_panes, m_docks, m_uiparts, false);
2620
2621     // hide or show panes as necessary,
2622     // and float panes as necessary
2623     for (i = 0; i < pane_count; ++i)
2624     {
2625         wxAuiPaneInfo& p = m_panes.Item(i);
2626
2627         if (p.IsFloating())
2628         {
2629             if (p.frame == NULL)
2630             {
2631                 // we need to create a frame for this
2632                 // pane, which has recently been floated
2633                 wxAuiFloatingFrame* frame = CreateFloatingFrame(m_frame, p);
2634
2635                 // on MSW and Mac, if the owner desires transparent dragging, and
2636                 // the dragging is happening right now, then the floating
2637                 // window should have this style by default
2638                 if (m_action == actionDragFloatingPane &&
2639                     (m_flags & wxAUI_MGR_TRANSPARENT_DRAG))
2640                         frame->SetTransparent(150);
2641
2642                 frame->SetPaneWindow(p);
2643                 p.frame = frame;
2644
2645                 if (p.IsShown() && !frame->IsShown())
2646                     frame->Show();
2647             }
2648             else
2649             {
2650                 // frame already exists, make sure it's position
2651                 // and size reflect the information in wxAuiPaneInfo
2652                 if ((p.frame->GetPosition() != p.floating_pos) || (p.frame->GetSize() != p.floating_size))
2653                 {
2654                     p.frame->SetSize(p.floating_pos.x, p.floating_pos.y,
2655                                      p.floating_size.x, p.floating_size.y,
2656                                      wxSIZE_USE_EXISTING);
2657                 /*
2658                     p.frame->SetSize(p.floating_pos.x, p.floating_pos.y,
2659                                      wxDefaultCoord, wxDefaultCoord,
2660                                      wxSIZE_USE_EXISTING);
2661                     //p.frame->Move(p.floating_pos.x, p.floating_pos.y);
2662                 */
2663                 }
2664
2665                 if (p.frame->IsShown() != p.IsShown())
2666                     p.frame->Show(p.IsShown());
2667             }
2668         }
2669         else
2670         {
2671             if (p.window->IsShown() != p.IsShown())
2672                 p.window->Show(p.IsShown());
2673         }
2674
2675         // if "active panes" are no longer allowed, clear
2676         // any optionActive values from the pane states
2677         if ((m_flags & wxAUI_MGR_ALLOW_ACTIVE_PANE) == 0)
2678         {
2679             p.state &= ~wxAuiPaneInfo::optionActive;
2680         }
2681     }
2682
2683
2684     // keep track of the old window rectangles so we can
2685     // refresh those windows whose rect has changed
2686     wxAuiRectArray old_pane_rects;
2687     for (i = 0; i < pane_count; ++i)
2688     {
2689         wxRect r;
2690         wxAuiPaneInfo& p = m_panes.Item(i);
2691
2692         if (p.window && p.IsShown() && p.IsDocked())
2693             r = p.rect;
2694
2695         old_pane_rects.Add(r);
2696     }
2697
2698
2699
2700
2701     // apply the new sizer
2702     m_frame->SetSizer(sizer);
2703     m_frame->SetAutoLayout(false);
2704     DoFrameLayout();
2705
2706
2707
2708     // now that the frame layout is done, we need to check
2709     // the new pane rectangles against the old rectangles that
2710     // we saved a few lines above here.  If the rectangles have
2711     // changed, the corresponding panes must also be updated
2712     for (i = 0; i < pane_count; ++i)
2713     {
2714         wxAuiPaneInfo& p = m_panes.Item(i);
2715         if (p.window && p.window->IsShown() && p.IsDocked())
2716         {
2717             if (p.rect != old_pane_rects[i])
2718             {
2719                 p.window->Refresh();
2720                 p.window->Update();
2721             }
2722         }
2723     }
2724
2725
2726     Repaint();
2727
2728     // set frame's minimum size
2729
2730 /*
2731     // N.B. More work needs to be done on frame minimum sizes;
2732     // this is some intresting code that imposes the minimum size,
2733     // but we may want to include a more flexible mechanism or
2734     // options for multiple minimum-size modes, e.g. strict or lax
2735     wxSize min_size = sizer->GetMinSize();
2736     wxSize frame_size = m_frame->GetSize();
2737     wxSize client_size = m_frame->GetClientSize();
2738
2739     wxSize minframe_size(min_size.x+frame_size.x-client_size.x,
2740                          min_size.y+frame_size.y-client_size.y );
2741
2742     m_frame->SetMinSize(minframe_size);
2743
2744     if (frame_size.x < minframe_size.x ||
2745         frame_size.y < minframe_size.y)
2746             sizer->Fit(m_frame);
2747 */
2748 }
2749
2750
2751 // DoFrameLayout() is an internal function which invokes wxSizer::Layout
2752 // on the frame's main sizer, then measures all the various UI items
2753 // and updates their internal rectangles.  This should always be called
2754 // instead of calling m_frame->Layout() directly
2755
2756 void wxAuiManager::DoFrameLayout()
2757 {
2758     m_frame->Layout();
2759
2760     int i, part_count;
2761     for (i = 0, part_count = m_uiparts.GetCount(); i < part_count; ++i)
2762     {
2763         wxAuiDockUIPart& part = m_uiparts.Item(i);
2764
2765         // get the rectangle of the UI part
2766         // originally, this code looked like this:
2767         //    part.rect = wxRect(part.sizer_item->GetPosition(),
2768         //                       part.sizer_item->GetSize());
2769         // this worked quite well, with one exception: the mdi
2770         // client window had a "deferred" size variable
2771         // that returned the wrong size.  It looks like
2772         // a bug in wx, because the former size of the window
2773         // was being returned.  So, we will retrieve the part's
2774         // rectangle via other means
2775
2776
2777         part.rect = part.sizer_item->GetRect();
2778         int flag = part.sizer_item->GetFlag();
2779         int border = part.sizer_item->GetBorder();
2780         if (flag & wxTOP)
2781         {
2782             part.rect.y -= border;
2783             part.rect.height += border;
2784         }
2785         if (flag & wxLEFT)
2786         {
2787             part.rect.x -= border;
2788             part.rect.width += border;
2789         }
2790         if (flag & wxBOTTOM)
2791             part.rect.height += border;
2792         if (flag & wxRIGHT)
2793             part.rect.width += border;
2794
2795
2796         if (part.type == wxAuiDockUIPart::typeDock)
2797             part.dock->rect = part.rect;
2798         if (part.type == wxAuiDockUIPart::typePane)
2799             part.pane->rect = part.rect;
2800     }
2801 }
2802
2803 // GetPanePart() looks up the pane the pane border UI part (or the regular
2804 // pane part if there is no border). This allows the caller to get the exact
2805 // rectangle of the pane in question, including decorations like
2806 // caption and border (if any).
2807
2808 wxAuiDockUIPart* wxAuiManager::GetPanePart(wxWindow* wnd)
2809 {
2810     int i, part_count;
2811     for (i = 0, part_count = m_uiparts.GetCount(); i < part_count; ++i)
2812     {
2813         wxAuiDockUIPart& part = m_uiparts.Item(i);
2814         if (part.type == wxAuiDockUIPart::typePaneBorder &&
2815             part.pane && part.pane->window == wnd)
2816                 return &part;
2817     }
2818     for (i = 0, part_count = m_uiparts.GetCount(); i < part_count; ++i)
2819     {
2820         wxAuiDockUIPart& part = m_uiparts.Item(i);
2821         if (part.type == wxAuiDockUIPart::typePane &&
2822             part.pane && part.pane->window == wnd)
2823                 return &part;
2824     }
2825     return NULL;
2826 }
2827
2828
2829
2830 // GetDockPixelOffset() is an internal function which returns
2831 // a dock's offset in pixels from the left side of the window
2832 // (for horizontal docks) or from the top of the window (for
2833 // vertical docks).  This value is necessary for calculating
2834 // fixel-pane/toolbar offsets when they are dragged.
2835
2836 int wxAuiManager::GetDockPixelOffset(wxAuiPaneInfo& test)
2837 {
2838     // the only way to accurately calculate the dock's
2839     // offset is to actually run a theoretical layout
2840
2841     int i, part_count, dock_count;
2842     wxAuiDockInfoArray docks;
2843     wxAuiPaneInfoArray panes;
2844     wxAuiDockUIPartArray uiparts;
2845     CopyDocksAndPanes(docks, panes, m_docks, m_panes);
2846     panes.Add(test);
2847
2848     wxSizer* sizer = LayoutAll(panes, docks, uiparts, true);
2849     wxSize client_size = m_frame->GetClientSize();
2850     sizer->SetDimension(0, 0, client_size.x, client_size.y);
2851     sizer->Layout();
2852
2853     for (i = 0, part_count = uiparts.GetCount(); i < part_count; ++i)
2854     {
2855         wxAuiDockUIPart& part = uiparts.Item(i);
2856         part.rect = wxRect(part.sizer_item->GetPosition(),
2857                            part.sizer_item->GetSize());
2858         if (part.type == wxAuiDockUIPart::typeDock)
2859             part.dock->rect = part.rect;
2860     }
2861
2862     delete sizer;
2863
2864     for (i = 0, dock_count = docks.GetCount(); i < dock_count; ++i)
2865     {
2866         wxAuiDockInfo& dock = docks.Item(i);
2867         if (test.dock_direction == dock.dock_direction &&
2868             test.dock_layer==dock.dock_layer && test.dock_row==dock.dock_row)
2869         {
2870             if (dock.IsVertical())
2871                 return dock.rect.y;
2872             else
2873                 return dock.rect.x;
2874         }
2875     }
2876
2877     return 0;
2878 }
2879
2880
2881
2882 // ProcessDockResult() is a utility function used by DoDrop() - it checks
2883 // if a dock operation is allowed, the new dock position is copied into
2884 // the target info.  If the operation was allowed, the function returns true.
2885
2886 bool wxAuiManager::ProcessDockResult(wxAuiPaneInfo& target,
2887                                      const wxAuiPaneInfo& new_pos)
2888 {
2889     bool allowed = false;
2890     switch (new_pos.dock_direction)
2891     {
2892         case wxAUI_DOCK_TOP:    allowed = target.IsTopDockable();    break;
2893         case wxAUI_DOCK_BOTTOM: allowed = target.IsBottomDockable(); break;
2894         case wxAUI_DOCK_LEFT:   allowed = target.IsLeftDockable();   break;
2895         case wxAUI_DOCK_RIGHT:  allowed = target.IsRightDockable();  break;
2896     }
2897
2898     if (allowed)
2899         target = new_pos;
2900
2901     return allowed;
2902 }
2903
2904
2905 // DoDrop() is an important function.  It basically takes a mouse position,
2906 // and determines where the pane's new position would be.  If the pane is to be
2907 // dropped, it performs the drop operation using the specified dock and pane
2908 // arrays.  By specifying copied dock and pane arrays when calling, a "what-if"
2909 // scenario can be performed, giving precise coordinates for drop hints.
2910 // If, however, wxAuiManager:m_docks and wxAuiManager::m_panes are specified
2911 // as parameters, the changes will be made to the main state arrays
2912
2913 const int auiInsertRowPixels = 10;
2914 const int auiNewRowPixels = 40;
2915 const int auiLayerInsertPixels = 40;
2916 const int auiLayerInsertOffset = 5;
2917
2918 bool wxAuiManager::DoDrop(wxAuiDockInfoArray& docks,
2919                           wxAuiPaneInfoArray& panes,
2920                           wxAuiPaneInfo& target,
2921                           const wxPoint& pt,
2922                           const wxPoint& offset)
2923 {
2924     wxSize cli_size = m_frame->GetClientSize();
2925
2926     wxAuiPaneInfo drop = target;
2927
2928
2929     // The result should always be shown
2930     drop.Show();
2931
2932
2933     // Check to see if the pane has been dragged outside of the window
2934     // (or near to the outside of the window), if so, dock it along the edge
2935
2936
2937     int layer_insert_offset = auiLayerInsertOffset;
2938     if (drop.IsToolbar())
2939         layer_insert_offset = 0;
2940
2941
2942     if (pt.x < layer_insert_offset &&
2943         pt.x > layer_insert_offset-auiLayerInsertPixels)
2944     {
2945         int new_layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_LEFT),
2946                                 GetMaxLayer(docks, wxAUI_DOCK_BOTTOM)),
2947                                 GetMaxLayer(docks, wxAUI_DOCK_TOP)) + 1;
2948
2949         if (drop.IsToolbar())
2950             new_layer = auiToolBarLayer;
2951
2952         drop.Dock().Left().
2953              Layer(new_layer).
2954              Row(0).
2955              Position(pt.y - GetDockPixelOffset(drop) - offset.y);
2956         return ProcessDockResult(target, drop);
2957     }
2958     else if (pt.y < layer_insert_offset &&
2959              pt.y > layer_insert_offset-auiLayerInsertPixels)
2960     {
2961         int new_layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_TOP),
2962                                 GetMaxLayer(docks, wxAUI_DOCK_LEFT)),
2963                                 GetMaxLayer(docks, wxAUI_DOCK_RIGHT)) + 1;
2964
2965         if (drop.IsToolbar())
2966             new_layer = auiToolBarLayer;
2967
2968         drop.Dock().Top().
2969              Layer(new_layer).
2970              Row(0).
2971              Position(pt.x - GetDockPixelOffset(drop) - offset.x);
2972         return ProcessDockResult(target, drop);
2973     }
2974     else if (pt.x >= cli_size.x - layer_insert_offset &&
2975              pt.x < cli_size.x - layer_insert_offset + auiLayerInsertPixels)
2976     {
2977         int new_layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_RIGHT),
2978                                 GetMaxLayer(docks, wxAUI_DOCK_TOP)),
2979                                 GetMaxLayer(docks, wxAUI_DOCK_BOTTOM)) + 1;
2980
2981         if (drop.IsToolbar())
2982             new_layer = auiToolBarLayer;
2983
2984         drop.Dock().Right().
2985              Layer(new_layer).
2986              Row(0).
2987              Position(pt.y - GetDockPixelOffset(drop) - offset.y);
2988         return ProcessDockResult(target, drop);
2989     }
2990     else if (pt.y >= cli_size.y - layer_insert_offset &&
2991              pt.y < cli_size.y - layer_insert_offset + auiLayerInsertPixels)
2992     {
2993         int new_layer = wxMax( wxMax( GetMaxLayer(docks, wxAUI_DOCK_BOTTOM),
2994                                       GetMaxLayer(docks, wxAUI_DOCK_LEFT)),
2995                                       GetMaxLayer(docks, wxAUI_DOCK_RIGHT)) + 1;
2996
2997         if (drop.IsToolbar())
2998             new_layer = auiToolBarLayer;
2999
3000         drop.Dock().Bottom().
3001              Layer(new_layer).
3002              Row(0).
3003              Position(pt.x - GetDockPixelOffset(drop) - offset.x);
3004         return ProcessDockResult(target, drop);
3005     }
3006
3007
3008     wxAuiDockUIPart* part = HitTest(pt.x, pt.y);
3009
3010
3011     if (drop.IsToolbar())
3012     {
3013         if (!part || !part->dock)
3014             return false;
3015
3016         // calculate the offset from where the dock begins
3017         // to the point where the user dropped the pane
3018         int dock_drop_offset = 0;
3019         if (part->dock->IsHorizontal())
3020             dock_drop_offset = pt.x - part->dock->rect.x - offset.x;
3021         else
3022             dock_drop_offset = pt.y - part->dock->rect.y - offset.y;
3023
3024
3025         // toolbars may only be moved in and to fixed-pane docks,
3026         // otherwise we will try to float the pane.  Also, the pane
3027         // should float if being dragged over center pane windows
3028         if (!part->dock->fixed || part->dock->dock_direction == wxAUI_DOCK_CENTER)
3029         {
3030             if (m_last_rect.IsEmpty() || m_last_rect.Contains(pt.x, pt.y ))
3031             {
3032                 m_skipping = true;
3033             }
3034             else
3035             {
3036                 if ((m_flags & wxAUI_MGR_ALLOW_FLOATING) &&
3037                    (drop.IsFloatable() ||
3038                     (part->dock->dock_direction != wxAUI_DOCK_CENTER &&
3039                      part->dock->dock_direction != wxAUI_DOCK_NONE)))
3040                 {
3041                     if (drop.IsFloatable())
3042                         drop.Float();
3043                 }
3044
3045                 m_skipping = false;
3046
3047                 return ProcessDockResult(target, drop);
3048             }
3049
3050             drop.Position(pt.x - GetDockPixelOffset(drop) - offset.x);
3051
3052             return ProcessDockResult(target, drop);
3053         }
3054
3055         m_skipping = false;
3056
3057         m_last_rect = part->dock->rect;
3058         m_last_rect.Inflate( 15, 15 );
3059
3060         drop.Dock().
3061              Direction(part->dock->dock_direction).
3062              Layer(part->dock->dock_layer).
3063              Row(part->dock->dock_row).
3064              Position(dock_drop_offset);
3065
3066         if ((
3067             ((pt.y < part->dock->rect.y + 1) && part->dock->IsHorizontal()) ||
3068             ((pt.x < part->dock->rect.x + 1) && part->dock->IsVertical())
3069             ) && part->dock->panes.GetCount() > 1)
3070         {
3071             if ((part->dock->dock_direction == wxAUI_DOCK_TOP) ||
3072                 (part->dock->dock_direction == wxAUI_DOCK_LEFT))
3073             {
3074                 int row = drop.dock_row;
3075                 DoInsertDockRow(panes, part->dock->dock_direction,
3076                                 part->dock->dock_layer,
3077                                 part->dock->dock_row);
3078                 drop.dock_row = row;
3079             }
3080             else
3081             {
3082                 DoInsertDockRow(panes, part->dock->dock_direction,
3083                                 part->dock->dock_layer,
3084                                 part->dock->dock_row+1);
3085                 drop.dock_row = part->dock->dock_row+1;
3086             }
3087         }
3088
3089         if ((
3090             ((pt.y > part->dock->rect.y + part->dock->rect.height - 2 ) && part->dock->IsHorizontal()) ||
3091             ((pt.x > part->dock->rect.x + part->dock->rect.width - 2 ) && part->dock->IsVertical())
3092             ) && part->dock->panes.GetCount() > 1)
3093         {
3094             if ((part->dock->dock_direction == wxAUI_DOCK_TOP) ||
3095                 (part->dock->dock_direction == wxAUI_DOCK_LEFT))
3096             {
3097                 DoInsertDockRow(panes, part->dock->dock_direction,
3098                                 part->dock->dock_layer,
3099                                 part->dock->dock_row+1);
3100                 drop.dock_row = part->dock->dock_row+1;
3101             }
3102             else
3103             {
3104                 int row = drop.dock_row;
3105                 DoInsertDockRow(panes, part->dock->dock_direction,
3106                                 part->dock->dock_layer,
3107                                 part->dock->dock_row);
3108                 drop.dock_row = row;
3109             }
3110         }
3111
3112         return ProcessDockResult(target, drop);
3113     }
3114
3115
3116
3117
3118     if (!part)
3119         return false;
3120
3121     if (part->type == wxAuiDockUIPart::typePaneBorder ||
3122         part->type == wxAuiDockUIPart::typeCaption ||
3123         part->type == wxAuiDockUIPart::typeGripper ||
3124         part->type == wxAuiDockUIPart::typePaneButton ||
3125         part->type == wxAuiDockUIPart::typePane ||
3126         part->type == wxAuiDockUIPart::typePaneSizer ||
3127         part->type == wxAuiDockUIPart::typeDockSizer ||
3128         part->type == wxAuiDockUIPart::typeBackground)
3129     {
3130         if (part->type == wxAuiDockUIPart::typeDockSizer)
3131         {
3132             if (part->dock->panes.GetCount() != 1)
3133                 return false;
3134             part = GetPanePart(part->dock->panes.Item(0)->window);
3135             if (!part)
3136                 return false;
3137         }
3138
3139
3140
3141         // If a normal frame is being dragged over a toolbar, insert it
3142         // along the edge under the toolbar, but over all other panes.
3143         // (this could be done much better, but somehow factoring this
3144         // calculation with the one at the beginning of this function)
3145         if (part->dock && part->dock->toolbar)
3146         {
3147             int layer = 0;
3148
3149             switch (part->dock->dock_direction)
3150             {
3151                 case wxAUI_DOCK_LEFT:
3152                     layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_LEFT),
3153                                       GetMaxLayer(docks, wxAUI_DOCK_BOTTOM)),
3154                                       GetMaxLayer(docks, wxAUI_DOCK_TOP));
3155                     break;
3156                 case wxAUI_DOCK_TOP:
3157                     layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_TOP),
3158                                       GetMaxLayer(docks, wxAUI_DOCK_LEFT)),
3159                                       GetMaxLayer(docks, wxAUI_DOCK_RIGHT));
3160                     break;
3161                 case wxAUI_DOCK_RIGHT:
3162                     layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_RIGHT),
3163                                       GetMaxLayer(docks, wxAUI_DOCK_TOP)),
3164                                       GetMaxLayer(docks, wxAUI_DOCK_BOTTOM));
3165                     break;
3166                 case wxAUI_DOCK_BOTTOM:
3167                     layer = wxMax(wxMax(GetMaxLayer(docks, wxAUI_DOCK_BOTTOM),
3168                                       GetMaxLayer(docks, wxAUI_DOCK_LEFT)),
3169                                       GetMaxLayer(docks, wxAUI_DOCK_RIGHT));
3170                     break;
3171             }
3172
3173             DoInsertDockRow(panes, part->dock->dock_direction,
3174                             layer, 0);
3175             drop.Dock().
3176                  Direction(part->dock->dock_direction).
3177                  Layer(layer).Row(0).Position(0);
3178             return ProcessDockResult(target, drop);
3179         }
3180
3181
3182         if (!part->pane)
3183             return false;
3184
3185         part = GetPanePart(part->pane->window);
3186         if (!part)
3187             return false;
3188
3189         bool insert_dock_row = false;
3190         int insert_row = part->pane->dock_row;
3191         int insert_dir = part->pane->dock_direction;
3192         int insert_layer = part->pane->dock_layer;
3193
3194         switch (part->pane->dock_direction)
3195         {
3196             case wxAUI_DOCK_TOP:
3197                 if (pt.y >= part->rect.y &&
3198                     pt.y < part->rect.y+auiInsertRowPixels)
3199                         insert_dock_row = true;
3200                 break;
3201             case wxAUI_DOCK_BOTTOM:
3202                 if (pt.y > part->rect.y+part->rect.height-auiInsertRowPixels &&
3203                     pt.y <= part->rect.y + part->rect.height)
3204                         insert_dock_row = true;
3205                 break;
3206             case wxAUI_DOCK_LEFT:
3207                 if (pt.x >= part->rect.x &&
3208                     pt.x < part->rect.x+auiInsertRowPixels)
3209                         insert_dock_row = true;
3210                 break;
3211             case wxAUI_DOCK_RIGHT:
3212                 if (pt.x > part->rect.x+part->rect.width-auiInsertRowPixels &&
3213                     pt.x <= part->rect.x+part->rect.width)
3214                         insert_dock_row = true;
3215                 break;
3216             case wxAUI_DOCK_CENTER:
3217             {
3218                 // "new row pixels" will be set to the default, but
3219                 // must never exceed 20% of the window size
3220                 int new_row_pixels_x = auiNewRowPixels;
3221                 int new_row_pixels_y = auiNewRowPixels;
3222
3223                 if (new_row_pixels_x > (part->rect.width*20)/100)
3224                     new_row_pixels_x = (part->rect.width*20)/100;
3225
3226                 if (new_row_pixels_y > (part->rect.height*20)/100)
3227                     new_row_pixels_y = (part->rect.height*20)/100;
3228
3229
3230                 // determine if the mouse pointer is in a location that
3231                 // will cause a new row to be inserted.  The hot spot positions
3232                 // are along the borders of the center pane
3233
3234                 insert_layer = 0;
3235                 insert_dock_row = true;
3236                 const wxRect& pr = part->rect;
3237                 if (pt.x >= pr.x && pt.x < pr.x + new_row_pixels_x)
3238                     insert_dir = wxAUI_DOCK_LEFT;
3239                 else if (pt.y >= pr.y && pt.y < pr.y + new_row_pixels_y)
3240                     insert_dir = wxAUI_DOCK_TOP;
3241                 else if (pt.x >= pr.x + pr.width - new_row_pixels_x &&
3242                          pt.x < pr.x + pr.width)
3243                     insert_dir = wxAUI_DOCK_RIGHT;
3244                 else if (pt.y >= pr.y+ pr.height - new_row_pixels_y &&
3245                          pt.y < pr.y + pr.height)
3246                     insert_dir = wxAUI_DOCK_BOTTOM;
3247                 else
3248                     return false;
3249
3250                 insert_row = GetMaxRow(panes, insert_dir, insert_layer) + 1;
3251             }
3252         }
3253
3254         if (insert_dock_row)
3255         {
3256             DoInsertDockRow(panes, insert_dir, insert_layer, insert_row);
3257             drop.Dock().Direction(insert_dir).
3258                         Layer(insert_layer).
3259                         Row(insert_row).
3260                         Position(0);
3261             return ProcessDockResult(target, drop);
3262         }
3263
3264         // determine the mouse offset and the pane size, both in the
3265         // direction of the dock itself, and perpendicular to the dock
3266
3267         int offset, size;
3268
3269         if (part->orientation == wxVERTICAL)
3270         {
3271             offset = pt.y - part->rect.y;
3272             size = part->rect.GetHeight();
3273         }
3274         else
3275         {
3276             offset = pt.x - part->rect.x;
3277             size = part->rect.GetWidth();
3278         }
3279
3280         int drop_position = part->pane->dock_pos;
3281
3282         // if we are in the top/left part of the pane,
3283         // insert the pane before the pane being hovered over
3284         if (offset <= size/2)
3285         {
3286             drop_position = part->pane->dock_pos;
3287             DoInsertPane(panes,
3288                          part->pane->dock_direction,
3289                          part->pane->dock_layer,
3290                          part->pane->dock_row,
3291                          part->pane->dock_pos);
3292         }
3293
3294         // if we are in the bottom/right part of the pane,
3295         // insert the pane before the pane being hovered over
3296         if (offset > size/2)
3297         {
3298             drop_position = part->pane->dock_pos+1;
3299             DoInsertPane(panes,
3300                          part->pane->dock_direction,
3301                          part->pane->dock_layer,
3302                          part->pane->dock_row,
3303                          part->pane->dock_pos+1);
3304         }
3305
3306         drop.Dock().
3307              Direction(part->dock->dock_direction).
3308              Layer(part->dock->dock_layer).
3309              Row(part->dock->dock_row).
3310              Position(drop_position);
3311         return ProcessDockResult(target, drop);
3312     }
3313
3314     return false;
3315 }
3316
3317
3318 void wxAuiManager::OnHintFadeTimer(wxTimerEvent& WXUNUSED(event))
3319 {
3320     if (!m_hint_wnd || m_hint_fadeamt >= m_hint_fademax)
3321     {
3322         m_hint_fadetimer.Stop();
3323         return;
3324     }
3325
3326     m_hint_fadeamt += 4;
3327     m_hint_wnd->SetTransparent(m_hint_fadeamt);
3328 }
3329
3330 void wxAuiManager::ShowHint(const wxRect& rect)
3331 {
3332     if (m_hint_wnd)
3333     {
3334         // if the hint rect is the same as last time, don't do anything
3335         if (m_last_hint == rect)
3336             return;
3337         m_last_hint = rect;
3338
3339         m_hint_fadeamt = m_hint_fademax;
3340
3341         if ((m_flags & wxAUI_MGR_HINT_FADE)
3342             && !((m_hint_wnd->IsKindOf(CLASSINFO(wxPseudoTransparentFrame))) &&
3343                  (m_flags & wxAUI_MGR_NO_VENETIAN_BLINDS_FADE))
3344             )
3345             m_hint_fadeamt = 0;
3346
3347         m_hint_wnd->SetSize(rect);
3348         m_hint_wnd->SetTransparent(m_hint_fadeamt);
3349
3350         if (!m_hint_wnd->IsShown())
3351             m_hint_wnd->Show();
3352
3353         // if we are dragging a floating pane, set the focus
3354         // back to that floating pane (otherwise it becomes unfocused)
3355         if (m_action == actionDragFloatingPane && m_action_window)
3356             m_action_window->SetFocus();
3357
3358         m_hint_wnd->Raise();
3359
3360
3361         if (m_hint_fadeamt != m_hint_fademax) //  Only fade if we need to
3362         {
3363             // start fade in timer
3364             m_hint_fadetimer.SetOwner(this, 101);
3365             m_hint_fadetimer.Start(5);
3366         }
3367     }
3368     else  // Not using a transparent hint window...
3369     {
3370         if (!(m_flags & wxAUI_MGR_RECTANGLE_HINT))
3371             return;
3372
3373         if (m_last_hint != rect)
3374         {
3375             // remove the last hint rectangle
3376             m_last_hint = rect;
3377             m_frame->Refresh();
3378             m_frame->Update();
3379         }
3380
3381         wxScreenDC screendc;
3382         wxRegion clip(1, 1, 10000, 10000);
3383
3384         // clip all floating windows, so we don't draw over them
3385         int i, pane_count;
3386         for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
3387         {
3388             wxAuiPaneInfo& pane = m_panes.Item(i);
3389
3390             if (pane.IsFloating() &&
3391                 pane.frame->IsShown())
3392             {
3393                 wxRect rect = pane.frame->GetRect();
3394 #ifdef __WXGTK__
3395                 // wxGTK returns the client size, not the whole frame size
3396                 rect.width += 15;
3397                 rect.height += 35;
3398                 rect.Inflate(5);
3399 #endif
3400
3401                 clip.Subtract(rect);
3402             }
3403         }
3404
3405         // As we can only hide the hint by redrawing the managed window, we
3406         // need to clip the region to the managed window too or we get
3407         // nasty redrawn problems.
3408         clip.Intersect(m_frame->GetRect());
3409
3410         screendc.SetDeviceClippingRegion(clip);
3411
3412         wxBitmap stipple = wxPaneCreateStippleBitmap();
3413         wxBrush brush(stipple);
3414         screendc.SetBrush(brush);
3415         screendc.SetPen(*wxTRANSPARENT_PEN);
3416
3417         screendc.DrawRectangle(rect.x, rect.y, 5, rect.height);
3418         screendc.DrawRectangle(rect.x+5, rect.y, rect.width-10, 5);
3419         screendc.DrawRectangle(rect.x+rect.width-5, rect.y, 5, rect.height);
3420         screendc.DrawRectangle(rect.x+5, rect.y+rect.height-5, rect.width-10, 5);
3421     }
3422 }
3423
3424 void wxAuiManager::HideHint()
3425 {
3426     // hides a transparent window hint, if there is one
3427     if (m_hint_wnd)
3428     {
3429         if (m_hint_wnd->IsShown())
3430             m_hint_wnd->Show(false);
3431         m_hint_wnd->SetTransparent(0);
3432         m_hint_fadetimer.Stop();
3433         m_last_hint = wxRect();
3434         return;
3435     }
3436
3437     // hides a painted hint by redrawing the frame window
3438     if (!m_last_hint.IsEmpty())
3439     {
3440         m_frame->Refresh();
3441         m_frame->Update();
3442         m_last_hint = wxRect();
3443     }
3444 }
3445
3446 void wxAuiManager::OnHintActivate(wxActivateEvent& WXUNUSED(event))
3447 {
3448     // Do nothing so this event isn't handled in the base handlers.
3449
3450     // Letting the hint window activate without this handler can lead to
3451     // weird behavior on Mac where the menu is switched out to the top
3452     // window's menu in MDI applications when it shouldn't be. So since
3453     // we don't want user interaction with the hint window anyway, we just
3454     // prevent it from activating here.
3455 }
3456
3457
3458
3459 void wxAuiManager::StartPaneDrag(wxWindow* pane_window,
3460                                  const wxPoint& offset)
3461 {
3462     wxAuiPaneInfo& pane = GetPane(pane_window);
3463     if (!pane.IsOk())
3464         return;
3465
3466     if (pane.IsToolbar())
3467     {
3468         m_action = actionDragToolbarPane;
3469     }
3470     else
3471     {
3472         m_action = actionDragFloatingPane;
3473     }
3474
3475     m_action_window = pane_window;
3476     m_action_offset = offset;
3477     m_frame->CaptureMouse();
3478 }
3479
3480
3481 // CalculateHintRect() calculates the drop hint rectangle.  The method
3482 // first calls DoDrop() to determine the exact position the pane would
3483 // be at were if dropped.  If the pane would indeed become docked at the
3484 // specified drop point, the the rectangle hint will be returned in
3485 // screen coordinates.  Otherwise, an empty rectangle is returned.
3486 // |pane_window| is the window pointer of the pane being dragged, |pt| is
3487 // the mouse position, in client coordinates.  |offset| describes the offset
3488 // that the mouse is from the upper-left corner of the item being dragged
3489
3490 wxRect wxAuiManager::CalculateHintRect(wxWindow* pane_window,
3491                                        const wxPoint& pt,
3492                                        const wxPoint& offset)
3493 {
3494     wxRect rect;
3495
3496     // we need to paint a hint rectangle; to find out the exact hint rectangle,
3497     // we will create a new temporary layout and then measure the resulting
3498     // rectangle; we will create a copy of the docking structures (m_dock)
3499     // so that we don't modify the real thing on screen
3500
3501     int i, pane_count, part_count;
3502     wxAuiDockInfoArray docks;
3503     wxAuiPaneInfoArray panes;
3504     wxAuiDockUIPartArray uiparts;
3505     wxAuiPaneInfo hint = GetPane(pane_window);
3506     hint.name = wxT("__HINT__");
3507     hint.PaneBorder(true);
3508     hint.Show();
3509
3510     if (!hint.IsOk())
3511         return rect;
3512
3513     CopyDocksAndPanes(docks, panes, m_docks, m_panes);
3514
3515     // remove any pane already there which bears the same window;
3516     // this happens when you are moving a pane around in a dock
3517     for (i = 0, pane_count = panes.GetCount(); i < pane_count; ++i)
3518     {
3519         if (panes.Item(i).window == pane_window)
3520         {
3521             RemovePaneFromDocks(docks, panes.Item(i));
3522             panes.RemoveAt(i);
3523             break;
3524         }
3525     }
3526
3527     // find out where the new pane would be
3528     if (!DoDrop(docks, panes, hint, pt, offset))
3529     {
3530         return rect;
3531     }
3532
3533     panes.Add(hint);
3534
3535     wxSizer* sizer = LayoutAll(panes, docks, uiparts, true);
3536     wxSize client_size = m_frame->GetClientSize();
3537     sizer->SetDimension(0, 0, client_size.x, client_size.y);
3538     sizer->Layout();
3539
3540     for (i = 0, part_count = uiparts.GetCount();
3541          i < part_count; ++i)
3542     {
3543         wxAuiDockUIPart& part = uiparts.Item(i);
3544
3545         if (part.type == wxAuiDockUIPart::typePaneBorder &&
3546             part.pane && part.pane->name == wxT("__HINT__"))
3547         {
3548             rect = wxRect(part.sizer_item->GetPosition(),
3549                           part.sizer_item->GetSize());
3550             break;
3551         }
3552     }
3553
3554     delete sizer;
3555
3556     if (rect.IsEmpty())
3557     {
3558         return rect;
3559     }
3560
3561     // actually show the hint rectangle on the screen
3562     m_frame->ClientToScreen(&rect.x, &rect.y);
3563
3564     if ( m_frame->GetLayoutDirection() == wxLayout_RightToLeft )
3565     {
3566         // Mirror rectangle in RTL mode
3567         rect.x -= rect.GetWidth();
3568     }
3569
3570     return rect;
3571 }
3572
3573 // DrawHintRect() calculates the hint rectangle by calling
3574 // CalculateHintRect().  If there is a rectangle, it shows it
3575 // by calling ShowHint(), otherwise it hides any hint
3576 // rectangle currently shown
3577 void wxAuiManager::DrawHintRect(wxWindow* pane_window,
3578                                 const wxPoint& pt,
3579                                 const wxPoint& offset)
3580 {
3581     wxRect rect = CalculateHintRect(pane_window, pt, offset);
3582
3583     if (rect.IsEmpty())
3584     {
3585         HideHint();
3586     }
3587     else
3588     {
3589         ShowHint(rect);
3590     }
3591 }
3592
3593 void wxAuiManager::OnFloatingPaneMoveStart(wxWindow* wnd)
3594 {
3595     // try to find the pane
3596     wxAuiPaneInfo& pane = GetPane(wnd);
3597     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
3598
3599     if (m_flags & wxAUI_MGR_TRANSPARENT_DRAG)
3600         pane.frame->SetTransparent(150);
3601 }
3602
3603 void wxAuiManager::OnFloatingPaneMoving(wxWindow* wnd, wxDirection dir)
3604 {
3605     // try to find the pane
3606     wxAuiPaneInfo& pane = GetPane(wnd);
3607     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
3608
3609     wxPoint pt = ::wxGetMousePosition();
3610
3611 #if 0
3612     // Adapt pt to direction
3613     if (dir == wxNORTH)
3614     {
3615         // move to pane's upper border
3616         wxPoint pos( 0,0 );
3617         pos = wnd->ClientToScreen( pos );
3618         pt.y = pos.y;
3619         // and some more pixels for the title bar
3620         pt.y -= 5;
3621     }
3622     else if (dir == wxWEST)
3623     {
3624         // move to pane's left border
3625         wxPoint pos( 0,0 );
3626         pos = wnd->ClientToScreen( pos );
3627         pt.x = pos.x;
3628     }
3629     else if (dir == wxEAST)
3630     {
3631         // move to pane's right border
3632         wxPoint pos( wnd->GetSize().x, 0 );
3633         pos = wnd->ClientToScreen( pos );
3634         pt.x = pos.x;
3635     }
3636     else if (dir == wxSOUTH)
3637     {
3638         // move to pane's bottom border
3639         wxPoint pos( 0, wnd->GetSize().y );
3640         pos = wnd->ClientToScreen( pos );
3641         pt.y = pos.y;
3642     }
3643 #else
3644     wxUnusedVar(dir);
3645 #endif
3646
3647     wxPoint client_pt = m_frame->ScreenToClient(pt);
3648
3649     // calculate the offset from the upper left-hand corner
3650     // of the frame to the mouse pointer
3651     wxPoint frame_pos = pane.frame->GetPosition();
3652     wxPoint action_offset(pt.x-frame_pos.x, pt.y-frame_pos.y);
3653
3654     // no hint for toolbar floating windows
3655     if (pane.IsToolbar() && m_action == actionDragFloatingPane)
3656     {
3657         wxAuiDockInfoArray docks;
3658         wxAuiPaneInfoArray panes;
3659         wxAuiDockUIPartArray uiparts;
3660         wxAuiPaneInfo hint = pane;
3661
3662         CopyDocksAndPanes(docks, panes, m_docks, m_panes);
3663
3664         // find out where the new pane would be
3665         if (!DoDrop(docks, panes, hint, client_pt))
3666             return;
3667         if (hint.IsFloating())
3668             return;
3669
3670         pane = hint;
3671         m_action = actionDragToolbarPane;
3672         m_action_window = pane.window;
3673
3674         Update();
3675
3676         return;
3677     }
3678
3679
3680     // if a key modifier is pressed while dragging the frame,
3681     // don't dock the window
3682     if (!CanDockPanel(pane))
3683     {
3684         HideHint();
3685         return;
3686     }
3687
3688
3689     DrawHintRect(wnd, client_pt, action_offset);
3690
3691 #ifdef __WXGTK__
3692     // this cleans up some screen artifacts that are caused on GTK because
3693     // we aren't getting the exact size of the window (see comment
3694     // in DrawHintRect)
3695     //Refresh();
3696 #endif
3697
3698
3699     // reduces flicker
3700     m_frame->Update();
3701 }
3702
3703 void wxAuiManager::OnFloatingPaneMoved(wxWindow* wnd, wxDirection dir)
3704 {
3705     // try to find the pane
3706     wxAuiPaneInfo& pane = GetPane(wnd);
3707     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
3708
3709     wxPoint pt = ::wxGetMousePosition();
3710
3711 #if 0
3712     // Adapt pt to direction
3713     if (dir == wxNORTH)
3714     {
3715         // move to pane's upper border
3716         wxPoint pos( 0,0 );
3717         pos = wnd->ClientToScreen( pos );
3718         pt.y = pos.y;
3719         // and some more pixels for the title bar
3720         pt.y -= 10;
3721     }
3722     else if (dir == wxWEST)
3723     {
3724         // move to pane's left border
3725         wxPoint pos( 0,0 );
3726         pos = wnd->ClientToScreen( pos );
3727         pt.x = pos.x;
3728     }
3729     else if (dir == wxEAST)
3730     {
3731         // move to pane's right border
3732         wxPoint pos( wnd->GetSize().x, 0 );
3733         pos = wnd->ClientToScreen( pos );
3734         pt.x = pos.x;
3735     }
3736     else if (dir == wxSOUTH)
3737     {
3738         // move to pane's bottom border
3739         wxPoint pos( 0, wnd->GetSize().y );
3740         pos = wnd->ClientToScreen( pos );
3741         pt.y = pos.y;
3742     }
3743 #else
3744     wxUnusedVar(dir);
3745 #endif
3746
3747     wxPoint client_pt = m_frame->ScreenToClient(pt);
3748
3749     // calculate the offset from the upper left-hand corner
3750     // of the frame to the mouse pointer
3751     wxPoint frame_pos = pane.frame->GetPosition();
3752     wxPoint action_offset(pt.x-frame_pos.x, pt.y-frame_pos.y);
3753
3754     // if a key modifier is pressed while dragging the frame,
3755     // don't dock the window
3756     if (CanDockPanel(pane))
3757     {
3758         // do the drop calculation
3759         DoDrop(m_docks, m_panes, pane, client_pt, action_offset);
3760     }
3761
3762     // if the pane is still floating, update it's floating
3763     // position (that we store)
3764     if (pane.IsFloating())
3765     {
3766         pane.floating_pos = pane.frame->GetPosition();
3767
3768         if (m_flags & wxAUI_MGR_TRANSPARENT_DRAG)
3769             pane.frame->SetTransparent(255);
3770     }
3771     else if (m_has_maximized)
3772     {
3773         RestoreMaximizedPane();
3774     }
3775
3776     Update();
3777
3778     HideHint();
3779 }
3780
3781 void wxAuiManager::OnFloatingPaneResized(wxWindow* wnd, const wxSize& size)
3782 {
3783     // try to find the pane
3784     wxAuiPaneInfo& pane = GetPane(wnd);
3785     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
3786
3787     pane.floating_size = size;
3788 }
3789
3790
3791 void wxAuiManager::OnFloatingPaneClosed(wxWindow* wnd, wxCloseEvent& evt)
3792 {
3793     // try to find the pane
3794     wxAuiPaneInfo& pane = GetPane(wnd);
3795     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
3796
3797
3798     // fire pane close event
3799     wxAuiManagerEvent e(wxEVT_AUI_PANE_CLOSE);
3800     e.SetPane(&pane);
3801     e.SetCanVeto(evt.CanVeto());
3802     ProcessMgrEvent(e);
3803
3804     if (e.GetVeto())
3805     {
3806         evt.Veto();
3807         return;
3808     }
3809     else
3810     {
3811         // close the pane, but check that it
3812         // still exists in our pane array first
3813         // (the event handler above might have removed it)
3814
3815         wxAuiPaneInfo& check = GetPane(wnd);
3816         if (check.IsOk())
3817         {
3818             ClosePane(pane);
3819         }
3820     }
3821 }
3822
3823
3824
3825 void wxAuiManager::OnFloatingPaneActivated(wxWindow* wnd)
3826 {
3827     if ((GetFlags() & wxAUI_MGR_ALLOW_ACTIVE_PANE) && GetPane(wnd).IsOk())
3828     {
3829         SetActivePane(m_panes, wnd);
3830         Repaint();
3831     }
3832 }
3833
3834 // OnRender() draws all of the pane captions, sashes,
3835 // backgrounds, captions, grippers, pane borders and buttons.
3836 // It renders the entire user interface.
3837
3838 void wxAuiManager::OnRender(wxAuiManagerEvent& evt)
3839 {
3840     // if the frame is about to be deleted, don't bother
3841     if (!m_frame || wxPendingDelete.Member(m_frame))
3842         return;
3843
3844     wxDC* dc = evt.GetDC();
3845
3846 #ifdef __WXMAC__
3847     dc->Clear() ;
3848 #endif
3849     int i, part_count;
3850     for (i = 0, part_count = m_uiparts.GetCount();
3851          i < part_count; ++i)
3852     {
3853         wxAuiDockUIPart& part = m_uiparts.Item(i);
3854
3855         // don't draw hidden pane items or items that aren't windows
3856         if (part.sizer_item && ((!part.sizer_item->IsWindow() && !part.sizer_item->IsSpacer() && !part.sizer_item->IsSizer()) || !part.sizer_item->IsShown()))
3857             continue;
3858
3859         switch (part.type)
3860         {
3861             case wxAuiDockUIPart::typeDockSizer:
3862             case wxAuiDockUIPart::typePaneSizer:
3863                 m_art->DrawSash(*dc, m_frame, part.orientation, part.rect);
3864                 break;
3865             case wxAuiDockUIPart::typeBackground:
3866                 m_art->DrawBackground(*dc, m_frame, part.orientation, part.rect);
3867                 break;
3868             case wxAuiDockUIPart::typeCaption:
3869                 m_art->DrawCaption(*dc, m_frame, part.pane->caption, part.rect, *part.pane);
3870                 break;
3871             case wxAuiDockUIPart::typeGripper:
3872                 m_art->DrawGripper(*dc, m_frame, part.rect, *part.pane);
3873                 break;
3874             case wxAuiDockUIPart::typePaneBorder:
3875                 m_art->DrawBorder(*dc, m_frame, part.rect, *part.pane);
3876                 break;
3877             case wxAuiDockUIPart::typePaneButton:
3878                 m_art->DrawPaneButton(*dc, m_frame, part.button->button_id,
3879                         wxAUI_BUTTON_STATE_NORMAL, part.rect, *part.pane);
3880                 break;
3881         }
3882     }
3883 }
3884
3885
3886 // Render() fire a render event, which is normally handled by
3887 // wxAuiManager::OnRender().  This allows the render function to
3888 // be overridden via the render event.  This can be useful for paintin
3889 // custom graphics in the main window. Default behavior can be
3890 // invoked in the overridden function by calling OnRender()
3891
3892 void wxAuiManager::Render(wxDC* dc)
3893 {
3894     wxAuiManagerEvent e(wxEVT_AUI_RENDER);
3895     e.SetManager(this);
3896     e.SetDC(dc);
3897     ProcessMgrEvent(e);
3898 }
3899
3900 void wxAuiManager::Repaint(wxDC* dc)
3901 {
3902 #ifdef __WXMAC__
3903     if ( dc == NULL )
3904     {
3905         m_frame->Refresh() ;
3906         m_frame->Update() ;
3907         return ;
3908     }
3909 #endif
3910     int w, h;
3911     m_frame->GetClientSize(&w, &h);
3912
3913     // figure out which dc to use; if one
3914     // has been specified, use it, otherwise
3915     // make a client dc
3916     wxClientDC* client_dc = NULL;
3917     if (!dc)
3918     {
3919         client_dc = new wxClientDC(m_frame);
3920         dc = client_dc;
3921     }
3922
3923     // if the frame has a toolbar, the client area
3924     // origin will not be (0,0).
3925     wxPoint pt = m_frame->GetClientAreaOrigin();
3926     if (pt.x != 0 || pt.y != 0)
3927         dc->SetDeviceOrigin(pt.x, pt.y);
3928
3929     // render all the items
3930     Render(dc);
3931
3932     // if we created a client_dc, delete it
3933     if (client_dc)
3934         delete client_dc;
3935 }
3936
3937 void wxAuiManager::OnPaint(wxPaintEvent& WXUNUSED(event))
3938 {
3939     wxPaintDC dc(m_frame);
3940     Repaint(&dc);
3941 }
3942
3943 void wxAuiManager::OnEraseBackground(wxEraseEvent& event)
3944 {
3945 #ifdef __WXMAC__
3946     event.Skip() ;
3947 #else
3948     wxUnusedVar(event);
3949 #endif
3950 }
3951
3952 void wxAuiManager::OnSize(wxSizeEvent& event)
3953 {
3954     if (m_frame)
3955     {
3956         DoFrameLayout();
3957         Repaint();
3958
3959 #if wxUSE_MDI
3960         if (m_frame->IsKindOf(CLASSINFO(wxMDIParentFrame)))
3961         {
3962             // for MDI parent frames, this event must not
3963             // be "skipped".  In other words, the parent frame
3964             // must not be allowed to resize the client window
3965             // after we are finished processing sizing changes
3966             return;
3967         }
3968 #endif
3969     }
3970     event.Skip();
3971 }
3972
3973 void wxAuiManager::OnFindManager(wxAuiManagerEvent& evt)
3974 {
3975     // get the window we are managing, if none, return NULL
3976     wxWindow* window = GetManagedWindow();
3977     if (!window)
3978     {
3979         evt.SetManager(NULL);
3980         return;
3981     }
3982
3983     // if we are managing a child frame, get the 'real' manager
3984     if (window->IsKindOf(CLASSINFO(wxAuiFloatingFrame)))
3985     {
3986         wxAuiFloatingFrame* float_frame = static_cast<wxAuiFloatingFrame*>(window);
3987         evt.SetManager(float_frame->GetOwnerManager());
3988         return;
3989     }
3990
3991     // return pointer to ourself
3992     evt.SetManager(this);
3993 }
3994
3995 void wxAuiManager::OnSetCursor(wxSetCursorEvent& event)
3996 {
3997     // determine cursor
3998     wxAuiDockUIPart* part = HitTest(event.GetX(), event.GetY());
3999     wxCursor cursor = wxNullCursor;
4000
4001     if (part)
4002     {
4003         if (part->type == wxAuiDockUIPart::typeDockSizer ||
4004             part->type == wxAuiDockUIPart::typePaneSizer)
4005         {
4006             // a dock may not be resized if it has a single
4007             // pane which is not resizable
4008             if (part->type == wxAuiDockUIPart::typeDockSizer && part->dock &&
4009                 part->dock->panes.GetCount() == 1 &&
4010                 part->dock->panes.Item(0)->IsFixed())
4011                     return;
4012
4013             // panes that may not be resized do not get a sizing cursor
4014             if (part->pane && part->pane->IsFixed())
4015                 return;
4016
4017             if (part->orientation == wxVERTICAL)
4018                 cursor = wxCursor(wxCURSOR_SIZEWE);
4019             else
4020                 cursor = wxCursor(wxCURSOR_SIZENS);
4021         }
4022         else if (part->type == wxAuiDockUIPart::typeGripper)
4023         {
4024             cursor = wxCursor(wxCURSOR_SIZING);
4025         }
4026     }
4027
4028     event.SetCursor(cursor);
4029 }
4030
4031
4032
4033 void wxAuiManager::UpdateButtonOnScreen(wxAuiDockUIPart* button_ui_part,
4034                                         const wxMouseEvent& event)
4035 {
4036     wxAuiDockUIPart* hit_test = HitTest(event.GetX(), event.GetY());
4037     if (!hit_test || !button_ui_part)
4038         return;
4039
4040     int state = wxAUI_BUTTON_STATE_NORMAL;
4041
4042     if (hit_test == button_ui_part)
4043     {
4044         if (event.LeftDown())
4045             state = wxAUI_BUTTON_STATE_PRESSED;
4046         else
4047             state = wxAUI_BUTTON_STATE_HOVER;
4048     }
4049     else
4050     {
4051         if (event.LeftDown())
4052             state = wxAUI_BUTTON_STATE_HOVER;
4053     }
4054
4055     // now repaint the button with hover state
4056     wxClientDC cdc(m_frame);
4057
4058     // if the frame has a toolbar, the client area
4059     // origin will not be (0,0).
4060     wxPoint pt = m_frame->GetClientAreaOrigin();
4061     if (pt.x != 0 || pt.y != 0)
4062         cdc.SetDeviceOrigin(pt.x, pt.y);
4063
4064     if (hit_test->pane)
4065     {
4066         m_art->DrawPaneButton(cdc, m_frame,
4067                   button_ui_part->button->button_id,
4068                   state,
4069                   button_ui_part->rect,
4070                   *hit_test->pane);
4071     }
4072 }
4073
4074 void wxAuiManager::OnLeftDown(wxMouseEvent& event)
4075 {
4076     m_currentDragItem = -1;
4077
4078     wxAuiDockUIPart* part = HitTest(event.GetX(), event.GetY());
4079     if (part)
4080     {
4081         if (part->type == wxAuiDockUIPart::typeDockSizer ||
4082             part->type == wxAuiDockUIPart::typePaneSizer)
4083         {
4084             // Removing this restriction so that a centre pane can be resized
4085             //if (part->dock && part->dock->dock_direction == wxAUI_DOCK_CENTER)
4086             //    return;
4087
4088             // a dock may not be resized if it has a single
4089             // pane which is not resizable
4090             if (part->type == wxAuiDockUIPart::typeDockSizer && part->dock &&
4091                 part->dock->panes.GetCount() == 1 &&
4092                 part->dock->panes.Item(0)->IsFixed())
4093                     return;
4094
4095             // panes that may not be resized should be ignored here
4096             if (part->pane && part->pane->IsFixed())
4097                 return;
4098
4099             m_action = actionResize;
4100             m_action_part = part;
4101             m_action_hintrect = wxRect();
4102             m_action_start = wxPoint(event.m_x, event.m_y);
4103             m_action_offset = wxPoint(event.m_x - part->rect.x,
4104                                       event.m_y - part->rect.y);
4105             m_frame->CaptureMouse();
4106         }
4107         else if (part->type == wxAuiDockUIPart::typePaneButton)
4108         {
4109             m_action = actionClickButton;
4110             m_action_part = part;
4111             m_action_start = wxPoint(event.m_x, event.m_y);
4112             m_frame->CaptureMouse();
4113
4114             UpdateButtonOnScreen(part, event);
4115         }
4116         else if (part->type == wxAuiDockUIPart::typeCaption ||
4117                   part->type == wxAuiDockUIPart::typeGripper)
4118         {
4119             // if we are managing a wxAuiFloatingFrame window, then
4120             // we are an embedded wxAuiManager inside the wxAuiFloatingFrame.
4121             // We want to initiate a toolbar drag in our owner manager
4122             wxWindow* managed_wnd = GetManagedWindow();
4123
4124             if (part->pane &&
4125                 part->pane->window &&
4126                 managed_wnd &&
4127                 managed_wnd->IsKindOf(CLASSINFO(wxAuiFloatingFrame)))
4128             {
4129                 wxAuiFloatingFrame* floating_frame = (wxAuiFloatingFrame*)managed_wnd;
4130                 wxAuiManager* owner_mgr = floating_frame->GetOwnerManager();
4131                 owner_mgr->StartPaneDrag(part->pane->window,
4132                                              wxPoint(event.m_x - part->rect.x,
4133                                                      event.m_y - part->rect.y));
4134                 return;
4135             }
4136
4137
4138
4139             if (GetFlags() & wxAUI_MGR_ALLOW_ACTIVE_PANE)
4140             {
4141                 // set the caption as active
4142                 SetActivePane(m_panes, part->pane->window);
4143                 Repaint();
4144             }
4145
4146             if (part->dock && part->dock->dock_direction == wxAUI_DOCK_CENTER)
4147                 return;
4148
4149             m_action = actionClickCaption;
4150             m_action_part = part;
4151             m_action_start = wxPoint(event.m_x, event.m_y);
4152             m_action_offset = wxPoint(event.m_x - part->rect.x,
4153                                       event.m_y - part->rect.y);
4154             m_frame->CaptureMouse();
4155         }
4156 #ifdef __WXMAC__
4157         else
4158         {
4159             event.Skip();
4160         }
4161 #endif
4162     }
4163 #ifdef __WXMAC__
4164     else
4165     {
4166         event.Skip();
4167     }
4168 #else
4169     event.Skip();
4170 #endif
4171 }
4172
4173 /// Ends a resize action, or for live update, resizes the sash
4174 bool wxAuiManager::DoEndResizeAction(wxMouseEvent& event)
4175 {
4176     // resize the dock or the pane
4177     if (m_action_part && m_action_part->type==wxAuiDockUIPart::typeDockSizer)
4178     {
4179         wxRect& rect = m_action_part->dock->rect;
4180
4181         wxPoint new_pos(event.m_x - m_action_offset.x,
4182             event.m_y - m_action_offset.y);
4183
4184         switch (m_action_part->dock->dock_direction)
4185         {
4186         case wxAUI_DOCK_LEFT:
4187             m_action_part->dock->size = new_pos.x - rect.x;
4188             break;
4189         case wxAUI_DOCK_TOP:
4190             m_action_part->dock->size = new_pos.y - rect.y;
4191             break;
4192         case wxAUI_DOCK_RIGHT:
4193             m_action_part->dock->size = rect.x + rect.width -
4194                 new_pos.x - m_action_part->rect.GetWidth();
4195             break;
4196         case wxAUI_DOCK_BOTTOM:
4197             m_action_part->dock->size = rect.y + rect.height -
4198                 new_pos.y - m_action_part->rect.GetHeight();
4199             break;
4200         }
4201
4202         Update();
4203         Repaint(NULL);
4204     }
4205     else if (m_action_part &&
4206         m_action_part->type == wxAuiDockUIPart::typePaneSizer)
4207     {
4208         wxAuiDockInfo& dock = *m_action_part->dock;
4209         wxAuiPaneInfo& pane = *m_action_part->pane;
4210
4211         int total_proportion = 0;
4212         int dock_pixels = 0;
4213         int new_pixsize = 0;
4214
4215         int caption_size = m_art->GetMetric(wxAUI_DOCKART_CAPTION_SIZE);
4216         int pane_border_size = m_art->GetMetric(wxAUI_DOCKART_PANE_BORDER_SIZE);
4217         int sash_size = m_art->GetMetric(wxAUI_DOCKART_SASH_SIZE);
4218
4219         wxPoint new_pos(event.m_x - m_action_offset.x,
4220             event.m_y - m_action_offset.y);
4221
4222         // determine the pane rectangle by getting the pane part
4223         wxAuiDockUIPart* pane_part = GetPanePart(pane.window);
4224         wxASSERT_MSG(pane_part,
4225             wxT("Pane border part not found -- shouldn't happen"));
4226
4227         // determine the new pixel size that the user wants;
4228         // this will help us recalculate the pane's proportion
4229         if (dock.IsHorizontal())
4230             new_pixsize = new_pos.x - pane_part->rect.x;
4231         else
4232             new_pixsize = new_pos.y - pane_part->rect.y;
4233
4234         // determine the size of the dock, based on orientation
4235         if (dock.IsHorizontal())
4236             dock_pixels = dock.rect.GetWidth();
4237         else
4238             dock_pixels = dock.rect.GetHeight();
4239
4240         // determine the total proportion of all resizable panes,
4241         // and the total size of the dock minus the size of all
4242         // the fixed panes
4243         int i, dock_pane_count = dock.panes.GetCount();
4244         int pane_position = -1;
4245         for (i = 0; i < dock_pane_count; ++i)
4246         {
4247             wxAuiPaneInfo& p = *dock.panes.Item(i);
4248             if (p.window == pane.window)
4249                 pane_position = i;
4250
4251             // while we're at it, subtract the pane sash
4252             // width from the dock width, because this would
4253             // skew our proportion calculations
4254             if (i > 0)
4255                 dock_pixels -= sash_size;
4256
4257             // also, the whole size (including decorations) of
4258             // all fixed panes must also be subtracted, because they
4259             // are not part of the proportion calculation
4260             if (p.IsFixed())
4261             {
4262                 if (dock.IsHorizontal())
4263                     dock_pixels -= p.best_size.x;
4264                 else
4265                     dock_pixels -= p.best_size.y;
4266             }
4267             else
4268             {
4269                 total_proportion += p.dock_proportion;
4270             }
4271         }
4272
4273         // new size can never be more than the number of dock pixels
4274         if (new_pixsize > dock_pixels)
4275             new_pixsize = dock_pixels;
4276
4277
4278         // find a pane in our dock to 'steal' space from or to 'give'
4279         // space to -- this is essentially what is done when a pane is
4280         // resized; the pane should usually be the first non-fixed pane
4281         // to the right of the action pane
4282         int borrow_pane = -1;
4283         for (i = pane_position+1; i < dock_pane_count; ++i)
4284         {
4285             wxAuiPaneInfo& p = *dock.panes.Item(i);
4286             if (!p.IsFixed())
4287             {
4288                 borrow_pane = i;
4289                 break;
4290             }
4291         }
4292
4293
4294         // demand that the pane being resized is found in this dock
4295         // (this assert really never should be raised)
4296         wxASSERT_MSG(pane_position != -1, wxT("Pane not found in dock"));
4297
4298         // prevent division by zero
4299         if (dock_pixels == 0 || total_proportion == 0 || borrow_pane == -1)
4300         {
4301             m_action = actionNone;
4302             return false;
4303         }
4304
4305         // calculate the new proportion of the pane
4306         int new_proportion = (new_pixsize*total_proportion)/dock_pixels;
4307
4308         // default minimum size
4309         int min_size = 0;
4310
4311         // check against the pane's minimum size, if specified. please note
4312         // that this is not enough to ensure that the minimum size will
4313         // not be violated, because the whole frame might later be shrunk,
4314         // causing the size of the pane to violate it's minimum size
4315         if (pane.min_size.IsFullySpecified())
4316         {
4317             min_size = 0;
4318
4319             if (pane.HasBorder())
4320                 min_size += (pane_border_size*2);
4321
4322             // calculate minimum size with decorations (border,caption)
4323             if (pane_part->orientation == wxVERTICAL)
4324             {
4325                 min_size += pane.min_size.y;
4326                 if (pane.HasCaption())
4327                     min_size += caption_size;
4328             }
4329             else
4330             {
4331                 min_size += pane.min_size.x;
4332             }
4333         }
4334
4335
4336         // for some reason, an arithmatic error somewhere is causing
4337         // the proportion calculations to always be off by 1 pixel;
4338         // for now we will add the 1 pixel on, but we really should
4339         // determine what's causing this.
4340         min_size++;
4341
4342         int min_proportion = (min_size*total_proportion)/dock_pixels;
4343
4344         if (new_proportion < min_proportion)
4345             new_proportion = min_proportion;
4346
4347
4348
4349         int prop_diff = new_proportion - pane.dock_proportion;
4350
4351         // borrow the space from our neighbor pane to the
4352         // right or bottom (depending on orientation);
4353         // also make sure we don't make the neighbor too small
4354         int prop_borrow = dock.panes.Item(borrow_pane)->dock_proportion;
4355
4356         if (prop_borrow - prop_diff < 0)
4357         {
4358             // borrowing from other pane would make it too small,
4359             // so cancel the resize operation
4360             prop_borrow = min_proportion;
4361         }
4362          else
4363         {
4364             prop_borrow -= prop_diff;
4365         }
4366
4367
4368         dock.panes.Item(borrow_pane)->dock_proportion = prop_borrow;
4369         pane.dock_proportion = new_proportion;
4370
4371
4372         // repaint
4373         Update();
4374         Repaint(NULL);
4375     }
4376
4377     return true;
4378 }
4379
4380 void wxAuiManager::OnLeftUp(wxMouseEvent& event)
4381 {
4382     if (m_action == actionResize)
4383     {
4384         m_frame->ReleaseMouse();
4385
4386         if (!wxAuiManager_HasLiveResize(*this))
4387         {
4388             // get rid of the hint rectangle
4389             wxScreenDC dc;
4390             DrawResizeHint(dc, m_action_hintrect);
4391         }
4392         if (m_currentDragItem != -1 && wxAuiManager_HasLiveResize(*this))
4393             m_action_part = & (m_uiparts.Item(m_currentDragItem));
4394
4395         DoEndResizeAction(event);
4396
4397         m_currentDragItem = -1;
4398
4399     }
4400     else if (m_action == actionClickButton)
4401     {
4402         m_hover_button = NULL;
4403         m_frame->ReleaseMouse();
4404
4405         if (m_action_part)
4406         {
4407             UpdateButtonOnScreen(m_action_part, event);
4408
4409             // make sure we're still over the item that was originally clicked
4410             if (m_action_part == HitTest(event.GetX(), event.GetY()))
4411             {
4412                 // fire button-click event
4413                 wxAuiManagerEvent e(wxEVT_AUI_PANE_BUTTON);
4414                 e.SetManager(this);
4415                 e.SetPane(m_action_part->pane);
4416                 e.SetButton(m_action_part->button->button_id);
4417                 ProcessMgrEvent(e);
4418             }
4419         }
4420     }
4421     else if (m_action == actionClickCaption)
4422     {
4423         m_frame->ReleaseMouse();
4424     }
4425     else if (m_action == actionDragFloatingPane)
4426     {
4427         m_frame->ReleaseMouse();
4428     }
4429     else if (m_action == actionDragToolbarPane)
4430     {
4431         m_frame->ReleaseMouse();
4432
4433         wxAuiPaneInfo& pane = GetPane(m_action_window);
4434         wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
4435
4436         // save the new positions
4437         wxAuiDockInfoPtrArray docks;
4438         FindDocks(m_docks, pane.dock_direction,
4439                   pane.dock_layer, pane.dock_row, docks);
4440         if (docks.GetCount() == 1)
4441         {
4442             wxAuiDockInfo& dock = *docks.Item(0);
4443
4444             wxArrayInt pane_positions, pane_sizes;
4445             GetPanePositionsAndSizes(dock, pane_positions, pane_sizes);
4446
4447             int i, dock_pane_count = dock.panes.GetCount();
4448             for (i = 0; i < dock_pane_count; ++i)
4449                 dock.panes.Item(i)->dock_pos = pane_positions[i];
4450         }
4451
4452         pane.state &= ~wxAuiPaneInfo::actionPane;
4453         Update();
4454     }
4455     else
4456     {
4457         event.Skip();
4458     }
4459
4460     m_action = actionNone;
4461     m_last_mouse_move = wxPoint(); // see comment in OnMotion()
4462 }
4463
4464
4465 void wxAuiManager::OnMotion(wxMouseEvent& event)
4466 {
4467     // sometimes when Update() is called from inside this method,
4468     // a spurious mouse move event is generated; this check will make
4469     // sure that only real mouse moves will get anywhere in this method;
4470     // this appears to be a bug somewhere, and I don't know where the
4471     // mouse move event is being generated.  only verified on MSW
4472
4473     wxPoint mouse_pos = event.GetPosition();
4474     if (m_last_mouse_move == mouse_pos)
4475         return;
4476     m_last_mouse_move = mouse_pos;
4477
4478
4479     if (m_action == actionResize)
4480     {
4481         // It's necessary to reset m_action_part since it destroyed
4482         // by the Update within DoEndResizeAction.
4483         if (m_currentDragItem != -1)
4484             m_action_part = & (m_uiparts.Item(m_currentDragItem));
4485         else
4486             m_currentDragItem = m_uiparts.Index(* m_action_part);
4487
4488         if (m_action_part)
4489         {
4490             wxPoint pos = m_action_part->rect.GetPosition();
4491             if (m_action_part->orientation == wxHORIZONTAL)
4492                 pos.y = wxMax(0, event.m_y - m_action_offset.y);
4493             else
4494                 pos.x = wxMax(0, event.m_x - m_action_offset.x);
4495
4496             if (wxAuiManager_HasLiveResize(*this))
4497             {
4498                 m_frame->ReleaseMouse();
4499                 DoEndResizeAction(event);
4500                 m_frame->CaptureMouse();
4501             }
4502             else
4503             {
4504                 wxRect rect(m_frame->ClientToScreen(pos),
4505                     m_action_part->rect.GetSize());
4506                 wxScreenDC dc;
4507
4508                 if (!m_action_hintrect.IsEmpty())
4509                 {
4510                     // remove old resize hint
4511                     DrawResizeHint(dc, m_action_hintrect);
4512                     m_action_hintrect = wxRect();
4513                 }
4514
4515                 // draw new resize hint, if it's inside the managed frame
4516                 wxRect frame_screen_rect = m_frame->GetScreenRect();
4517                 if (frame_screen_rect.Contains(rect))
4518                 {
4519                     DrawResizeHint(dc, rect);
4520                     m_action_hintrect = rect;
4521                 }
4522             }
4523         }
4524     }
4525     else if (m_action == actionClickCaption)
4526     {
4527         int drag_x_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_X);
4528         int drag_y_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_Y);
4529
4530         // caption has been clicked.  we need to check if the mouse
4531         // is now being dragged. if it is, we need to change the
4532         // mouse action to 'drag'
4533         if (m_action_part &&
4534             (abs(event.m_x - m_action_start.x) > drag_x_threshold ||
4535              abs(event.m_y - m_action_start.y) > drag_y_threshold))
4536         {
4537             wxAuiPaneInfo* pane_info = m_action_part->pane;
4538
4539             if (!pane_info->IsToolbar())
4540             {
4541                 if ((m_flags & wxAUI_MGR_ALLOW_FLOATING) &&
4542                     pane_info->IsFloatable())
4543                 {
4544                     m_action = actionDragFloatingPane;
4545
4546                     // set initial float position
4547                     wxPoint pt = m_frame->ClientToScreen(event.GetPosition());
4548                     pane_info->floating_pos = wxPoint(pt.x - m_action_offset.x,
4549                                                       pt.y - m_action_offset.y);
4550
4551                     // float the window
4552                     if (pane_info->IsMaximized())
4553                         RestorePane(*pane_info);
4554                     pane_info->Float();
4555                     Update();
4556
4557                     m_action_window = pane_info->frame;
4558
4559                     // action offset is used here to make it feel "natural" to the user
4560                     // to drag a docked pane and suddenly have it become a floating frame.
4561                     // Sometimes, however, the offset where the user clicked on the docked
4562                     // caption is bigger than the width of the floating frame itself, so
4563                     // in that case we need to set the action offset to a sensible value
4564                     wxSize frame_size = m_action_window->GetSize();
4565                     if (frame_size.x <= m_action_offset.x)
4566                         m_action_offset.x = 30;
4567                 }
4568             }
4569             else
4570             {
4571                 m_action = actionDragToolbarPane;
4572                 m_action_window = pane_info->window;
4573             }
4574         }
4575     }
4576     else if (m_action == actionDragFloatingPane)
4577     {
4578         if (m_action_window)
4579         {
4580             wxPoint pt = m_frame->ClientToScreen(event.GetPosition());
4581             m_action_window->Move(pt.x - m_action_offset.x,
4582                                 pt.y - m_action_offset.y);
4583         }
4584     }
4585     else if (m_action == actionDragToolbarPane)
4586     {
4587         wxAuiPaneInfo& pane = GetPane(m_action_window);
4588         wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
4589
4590         pane.SetFlag(wxAuiPaneInfo::actionPane, true);
4591
4592         wxPoint pt = event.GetPosition();
4593         DoDrop(m_docks, m_panes, pane, pt, m_action_offset);
4594
4595         // if DoDrop() decided to float the pane, set up
4596         // the floating pane's initial position
4597         if (pane.IsFloating())
4598         {
4599             wxPoint pt = m_frame->ClientToScreen(event.GetPosition());
4600             pane.floating_pos = wxPoint(pt.x - m_action_offset.x,
4601                                         pt.y - m_action_offset.y);
4602         }
4603
4604         // this will do the actiual move operation;
4605         // in the case that the pane has been floated,
4606         // this call will create the floating pane
4607         // and do the reparenting
4608         Update();
4609
4610         // if the pane has been floated, change the mouse
4611         // action actionDragFloatingPane so that subsequent
4612         // EVT_MOTION() events will move the floating pane
4613         if (pane.IsFloating())
4614         {
4615             pane.state &= ~wxAuiPaneInfo::actionPane;
4616             m_action = actionDragFloatingPane;
4617             m_action_window = pane.frame;
4618         }
4619     }
4620     else
4621     {
4622         wxAuiDockUIPart* part = HitTest(event.GetX(), event.GetY());
4623         if (part && part->type == wxAuiDockUIPart::typePaneButton)
4624         {
4625             if (part != m_hover_button)
4626             {
4627                 // make the old button normal
4628                 if (m_hover_button)
4629                 {
4630                     UpdateButtonOnScreen(m_hover_button, event);
4631                     Repaint();
4632                 }
4633
4634                 // mouse is over a button, so repaint the
4635                 // button in hover mode
4636                 UpdateButtonOnScreen(part, event);
4637                 m_hover_button = part;
4638
4639             }
4640         }
4641         else
4642         {
4643             if (m_hover_button)
4644             {
4645                 m_hover_button = NULL;
4646                 Repaint();
4647             }
4648             else
4649             {
4650                 event.Skip();
4651             }
4652         }
4653     }
4654 }
4655
4656 void wxAuiManager::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
4657 {
4658     if (m_hover_button)
4659     {
4660         m_hover_button = NULL;
4661         Repaint();
4662     }
4663 }
4664
4665 void wxAuiManager::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
4666 {
4667     // cancel the operation in progress, if any
4668     if ( m_action != actionNone )
4669     {
4670         m_action = actionNone;
4671         HideHint();
4672     }
4673 }
4674
4675 void wxAuiManager::OnChildFocus(wxChildFocusEvent& event)
4676 {
4677     // when a child pane has it's focus set, we should change the
4678     // pane's active state to reflect this. (this is only true if
4679     // active panes are allowed by the owner)
4680     if (GetFlags() & wxAUI_MGR_ALLOW_ACTIVE_PANE)
4681     {
4682         wxAuiPaneInfo& pane = GetPane(event.GetWindow());
4683         if (pane.IsOk() && (pane.state & wxAuiPaneInfo::optionActive) == 0)
4684         {
4685             SetActivePane(m_panes, event.GetWindow());
4686             m_frame->Refresh();
4687         }
4688     }
4689
4690     event.Skip();
4691 }
4692
4693
4694 // OnPaneButton() is an event handler that is called
4695 // when a pane button has been pressed.
4696 void wxAuiManager::OnPaneButton(wxAuiManagerEvent& evt)
4697 {
4698     wxASSERT_MSG(evt.pane, wxT("Pane Info passed to wxAuiManager::OnPaneButton must be non-null"));
4699
4700     wxAuiPaneInfo& pane = *(evt.pane);
4701
4702     if (evt.button == wxAUI_BUTTON_CLOSE)
4703     {
4704         // fire pane close event
4705         wxAuiManagerEvent e(wxEVT_AUI_PANE_CLOSE);
4706         e.SetManager(this);
4707         e.SetPane(evt.pane);
4708         ProcessMgrEvent(e);
4709
4710         if (!e.GetVeto())
4711         {
4712             // close the pane, but check that it
4713             // still exists in our pane array first
4714             // (the event handler above might have removed it)
4715
4716             wxAuiPaneInfo& check = GetPane(pane.window);
4717             if (check.IsOk())
4718             {
4719                 ClosePane(pane);
4720             }
4721
4722             Update();
4723         }
4724     }
4725     else if (evt.button == wxAUI_BUTTON_MAXIMIZE_RESTORE && !pane.IsMaximized())
4726     {
4727         // fire pane close event
4728         wxAuiManagerEvent e(wxEVT_AUI_PANE_MAXIMIZE);
4729         e.SetManager(this);
4730         e.SetPane(evt.pane);
4731         ProcessMgrEvent(e);
4732
4733         if (!e.GetVeto())
4734         {
4735             MaximizePane(pane);
4736             Update();
4737         }
4738     }
4739     else if (evt.button == wxAUI_BUTTON_MAXIMIZE_RESTORE && pane.IsMaximized())
4740     {
4741         // fire pane close event
4742         wxAuiManagerEvent e(wxEVT_AUI_PANE_RESTORE);
4743         e.SetManager(this);
4744         e.SetPane(evt.pane);
4745         ProcessMgrEvent(e);
4746
4747         if (!e.GetVeto())
4748         {
4749             RestorePane(pane);
4750             Update();
4751         }
4752     }
4753     else if (evt.button == wxAUI_BUTTON_PIN)
4754     {
4755         if ((m_flags & wxAUI_MGR_ALLOW_FLOATING) &&
4756             pane.IsFloatable())
4757                 pane.Float();
4758         Update();
4759     }
4760 }
4761
4762 #endif // wxUSE_AUI