src/aui/auibook.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/aui/auibook.cpp
   3 // Purpose:     wxaui: wx advanced user interface - notebook
   4 // Author:      Benjamin I. Williams
   5 // Modified by:
   6 // Created:     2006-06-28
   7 // Copyright:   (C) Copyright 2006, Kirix Corporation, All Rights Reserved
   8 // Licence:     wxWindows Library Licence, Version 3.1
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ----------------------------------------------------------------------------
  12 // headers
  13 // ----------------------------------------------------------------------------
  14
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #if wxUSE_AUI
  22
  23 #include "wx/aui/auibook.h"
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/settings.h"
  27     #include "wx/image.h"
  28     #include "wx/menu.h"
  29 #endif
  30
  31 #include "wx/aui/tabmdi.h"
  32 #include "wx/dcbuffer.h"
  33
  34 #include "wx/renderer.h"
  35
  36 #ifdef __WXMAC__
  37 #include "wx/osx/private.h"
  38 #endif
  39
  40 #include "wx/arrimpl.cpp"
  41 WX_DEFINE_OBJARRAY(wxAuiNotebookPageArray)
  42 WX_DEFINE_OBJARRAY(wxAuiTabContainerButtonArray)
  43
  44 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, wxAuiNotebookEvent);
  45 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, wxAuiNotebookEvent);
  46 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, wxAuiNotebookEvent);
  47 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED, wxAuiNotebookEvent);
  48 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, wxAuiNotebookEvent);
  49 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, wxAuiNotebookEvent);
  50 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, wxAuiNotebookEvent);
  51 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, wxAuiNotebookEvent);
  52 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, wxAuiNotebookEvent);
  53 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, wxAuiNotebookEvent);
  54 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, wxAuiNotebookEvent);
  55 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, wxAuiNotebookEvent);
  56 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, wxAuiNotebookEvent);
  57 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, wxAuiNotebookEvent);
  58 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, wxAuiNotebookEvent);
  59
  60 IMPLEMENT_CLASS(wxAuiNotebook, wxControl)
  61 IMPLEMENT_CLASS(wxAuiTabCtrl, wxControl)
  62 IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxEvent)
  63
  64
  65
  66
  67
  68 // these functions live in dockart.cpp -- they'll eventually
  69 // be moved to a new utility cpp file
  70
  71 wxBitmap wxAuiBitmapFromBits(const unsigned char bits[], int w, int h,
  72                              const wxColour& color);
  73
  74 wxString wxAuiChopText(wxDC& dc, const wxString& text, int max_size);
  75
  76 static void DrawButtons(wxDC& dc,
  77                         const wxRect& _rect,
  78                         const wxBitmap& bmp,
  79                         const wxColour& bkcolour,
  80                         int button_state)
  81 {
  82     wxRect rect = _rect;
  83
  84     if (button_state == wxAUI_BUTTON_STATE_PRESSED)
  85     {
  86         rect.x++;
  87         rect.y++;
  88     }
  89
  90     if (button_state == wxAUI_BUTTON_STATE_HOVER ||
  91         button_state == wxAUI_BUTTON_STATE_PRESSED)
  92     {
  93         dc.SetBrush(wxBrush(bkcolour.ChangeLightness(120)));
  94         dc.SetPen(wxPen(bkcolour.ChangeLightness(75)));
  95
  96         // draw the background behind the button
  97         dc.DrawRectangle(rect.x, rect.y, 15, 15);
  98     }
  99
 100     // draw the button itself
 101     dc.DrawBitmap(bmp, rect.x, rect.y, true);
 102 }
 103
 104 static void IndentPressedBitmap(wxRect* rect, int button_state)
 105 {
 106     if (button_state == wxAUI_BUTTON_STATE_PRESSED)
 107     {
 108         rect->x++;
 109         rect->y++;
 110     }
 111 }
 112
 113
 114
 115 // -- GUI helper classes and functions --
 116
 117 class wxAuiCommandCapture : public wxEvtHandler
 118 {
 119 public:
 120
 121     wxAuiCommandCapture() { m_last_id = 0; }
 122     int GetCommandId() const { return m_last_id; }
 123
 124     bool ProcessEvent(wxEvent& evt)
 125     {
 126         if (evt.GetEventType() == wxEVT_COMMAND_MENU_SELECTED)
 127         {
 128             m_last_id = evt.GetId();
 129             return true;
 130         }
 131
 132         if (GetNextHandler())
 133             return GetNextHandler()->ProcessEvent(evt);
 134
 135         return false;
 136     }
 137
 138 private:
 139     int m_last_id;
 140 };
 141
 142
 143 // -- bitmaps --
 144
 145 #if defined( __WXMAC__ )
 146  static const unsigned char close_bits[]={
 147      0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0xFE, 0x03, 0xF8, 0x01, 0xF0, 0x19, 0xF3,
 148      0xB8, 0xE3, 0xF0, 0xE1, 0xE0, 0xE0, 0xF0, 0xE1, 0xB8, 0xE3, 0x19, 0xF3,
 149      0x01, 0xF0, 0x03, 0xF8, 0x0F, 0xFE, 0xFF, 0xFF };
 150 #elif defined( __WXGTK__)
 151  static const unsigned char close_bits[]={
 152      0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8,
 153      0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef,
 154      0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 155 #else
 156  static const unsigned char close_bits[]={
 157      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xf3, 0xcf, 0xf9,
 158      0x9f, 0xfc, 0x3f, 0xfe, 0x3f, 0xfe, 0x9f, 0xfc, 0xcf, 0xf9, 0xe7, 0xf3,
 159      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 160 #endif
 161
 162 static const unsigned char left_bits[] = {
 163    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xfe, 0x3f, 0xfe,
 164    0x1f, 0xfe, 0x0f, 0xfe, 0x1f, 0xfe, 0x3f, 0xfe, 0x7f, 0xfe, 0xff, 0xfe,
 165    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 166
 167 static const unsigned char right_bits[] = {
 168    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xff, 0x9f, 0xff, 0x1f, 0xff,
 169    0x1f, 0xfe, 0x1f, 0xfc, 0x1f, 0xfe, 0x1f, 0xff, 0x9f, 0xff, 0xdf, 0xff,
 170    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 171
 172 static const unsigned char list_bits[] = {
 173    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 174    0x0f, 0xf8, 0xff, 0xff, 0x0f, 0xf8, 0x1f, 0xfc, 0x3f, 0xfe, 0x7f, 0xff,
 175    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 176
 177
 178
 179
 180
 181
 182 // -- wxAuiDefaultTabArt class implementation --
 183
 184 wxAuiDefaultTabArt::wxAuiDefaultTabArt()
 185 {
 186     m_normal_font = *wxNORMAL_FONT;
 187     m_selected_font = *wxNORMAL_FONT;
 188     m_selected_font.SetWeight(wxBOLD);
 189     m_measuring_font = m_selected_font;
 190
 191     m_fixed_tab_width = 100;
 192     m_tab_ctrl_height = 0;
 193
 194 #if defined( __WXMAC__ ) && wxOSX_USE_COCOA_OR_CARBON
 195     wxColor base_colour = wxColour( wxMacCreateCGColorFromHITheme(kThemeBrushToolbarBackground));
 196 #else
 197     wxColor base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 198 #endif
 199
 200     // the base_colour is too pale to use as our base colour,
 201     // so darken it a bit --
 202     if ((255-base_colour.Red()) +
 203         (255-base_colour.Green()) +
 204         (255-base_colour.Blue()) < 60)
 205     {
 206         base_colour = base_colour.ChangeLightness(92);
 207     }
 208
 209     m_base_colour = base_colour;
 210     wxColor border_colour = base_colour.ChangeLightness(75);
 211
 212     m_border_pen = wxPen(border_colour);
 213     m_base_colour_pen = wxPen(m_base_colour);
 214     m_base_colour_brush = wxBrush(m_base_colour);
 215
 216     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 217     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 218
 219     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 220     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 221
 222     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 223     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 224
 225     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 226     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 227
 228     m_flags = 0;
 229 }
 230
 231 wxAuiDefaultTabArt::~wxAuiDefaultTabArt()
 232 {
 233 }
 234
 235 wxAuiTabArt* wxAuiDefaultTabArt::Clone()
 236 {
 237     return new wxAuiDefaultTabArt(*this);
 238 }
 239
 240 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
 241 {
 242     m_flags = flags;
 243 }
 244
 245 void wxAuiDefaultTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 246                                        size_t tab_count)
 247 {
 248     m_fixed_tab_width = 100;
 249
 250     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 251
 252     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 253         tot_width -= m_active_close_bmp.GetWidth();
 254     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 255         tot_width -= m_active_windowlist_bmp.GetWidth();
 256
 257     if (tab_count > 0)
 258     {
 259         m_fixed_tab_width = tot_width/(int)tab_count;
 260     }
 261
 262
 263     if (m_fixed_tab_width < 100)
 264         m_fixed_tab_width = 100;
 265
 266     if (m_fixed_tab_width > tot_width/2)
 267         m_fixed_tab_width = tot_width/2;
 268
 269     if (m_fixed_tab_width > 220)
 270         m_fixed_tab_width = 220;
 271
 272     m_tab_ctrl_height = tab_ctrl_size.y;
 273 }
 274
 275
 276 void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
 277                                         wxWindow* WXUNUSED(wnd),
 278                                         const wxRect& rect)
 279 {
 280     // draw background
 281
 282     wxColor top_color       = m_base_colour.ChangeLightness(90);
 283     wxColor bottom_color   = m_base_colour.ChangeLightness(170);
 284     wxRect r;
 285
 286    if (m_flags &wxAUI_NB_BOTTOM)
 287        r = wxRect(rect.x, rect.y, rect.width+2, rect.height);
 288    // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 289    // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 290    else //for wxAUI_NB_TOP
 291        r = wxRect(rect.x, rect.y, rect.width+2, rect.height-3);
 292
 293     dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 294
 295
 296    // draw base lines
 297
 298    dc.SetPen(m_border_pen);
 299    int y = rect.GetHeight();
 300    int w = rect.GetWidth();
 301
 302    if (m_flags &wxAUI_NB_BOTTOM)
 303    {
 304        dc.SetBrush(wxBrush(bottom_color));
 305        dc.DrawRectangle(-1, 0, w+2, 4);
 306    }
 307    // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 308    // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 309    else //for wxAUI_NB_TOP
 310    {
 311        dc.SetBrush(m_base_colour_brush);
 312        dc.DrawRectangle(-1, y-4, w+2, 4);
 313    }
 314 }
 315
 316
 317 // DrawTab() draws an individual tab.
 318 //
 319 // dc       - output dc
 320 // in_rect  - rectangle the tab should be confined to
 321 // caption  - tab's caption
 322 // active   - whether or not the tab is active
 323 // out_rect - actual output rectangle
 324 // x_extent - the advance x; where the next tab should start
 325
 326 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
 327                                  wxWindow* wnd,
 328                                  const wxAuiNotebookPage& page,
 329                                  const wxRect& in_rect,
 330                                  int close_button_state,
 331                                  wxRect* out_tab_rect,
 332                                  wxRect* out_button_rect,
 333                                  int* x_extent)
 334 {
 335     wxCoord normal_textx, normal_texty;
 336     wxCoord selected_textx, selected_texty;
 337     wxCoord texty;
 338
 339     // if the caption is empty, measure some temporary text
 340     wxString caption = page.caption;
 341     if (caption.empty())
 342         caption = wxT("Xj");
 343
 344     dc.SetFont(m_selected_font);
 345     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 346
 347     dc.SetFont(m_normal_font);
 348     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 349
 350     // figure out the size of the tab
 351     wxSize tab_size = GetTabSize(dc,
 352                                  wnd,
 353                                  page.caption,
 354                                  page.bitmap,
 355                                  page.active,
 356                                  close_button_state,
 357                                  x_extent);
 358
 359     wxCoord tab_height = m_tab_ctrl_height - 3;
 360     wxCoord tab_width = tab_size.x;
 361     wxCoord tab_x = in_rect.x;
 362     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 363
 364
 365     caption = page.caption;
 366
 367
 368     // select pen, brush and font for the tab to be drawn
 369
 370     if (page.active)
 371     {
 372         dc.SetFont(m_selected_font);
 373         texty = selected_texty;
 374     }
 375     else
 376     {
 377         dc.SetFont(m_normal_font);
 378         texty = normal_texty;
 379     }
 380
 381
 382     // create points that will make the tab outline
 383
 384     int clip_width = tab_width;
 385     if (tab_x + clip_width > in_rect.x + in_rect.width)
 386         clip_width = (in_rect.x + in_rect.width) - tab_x;
 387
 388 /*
 389     wxPoint clip_points[6];
 390     clip_points[0] = wxPoint(tab_x,              tab_y+tab_height-3);
 391     clip_points[1] = wxPoint(tab_x,              tab_y+2);
 392     clip_points[2] = wxPoint(tab_x+2,            tab_y);
 393     clip_points[3] = wxPoint(tab_x+clip_width-1, tab_y);
 394     clip_points[4] = wxPoint(tab_x+clip_width+1, tab_y+2);
 395     clip_points[5] = wxPoint(tab_x+clip_width+1, tab_y+tab_height-3);
 396
 397     // FIXME: these ports don't provide wxRegion ctor from array of points
 398 #if !defined(__WXDFB__) && !defined(__WXCOCOA__)
 399     // set the clipping region for the tab --
 400     wxRegion clipping_region(WXSIZEOF(clip_points), clip_points);
 401     dc.SetClippingRegion(clipping_region);
 402 #endif // !wxDFB && !wxCocoa
 403 */
 404     // since the above code above doesn't play well with WXDFB or WXCOCOA,
 405     // we'll just use a rectangle for the clipping region for now --
 406     dc.SetClippingRegion(tab_x, tab_y, clip_width+1, tab_height-3);
 407
 408
 409     wxPoint border_points[6];
 410     if (m_flags &wxAUI_NB_BOTTOM)
 411     {
 412         border_points[0] = wxPoint(tab_x,             tab_y);
 413         border_points[1] = wxPoint(tab_x,             tab_y+tab_height-6);
 414         border_points[2] = wxPoint(tab_x+2,           tab_y+tab_height-4);
 415         border_points[3] = wxPoint(tab_x+tab_width-2, tab_y+tab_height-4);
 416         border_points[4] = wxPoint(tab_x+tab_width,   tab_y+tab_height-6);
 417         border_points[5] = wxPoint(tab_x+tab_width,   tab_y);
 418     }
 419     else //if (m_flags & wxAUI_NB_TOP) {}
 420     {
 421         border_points[0] = wxPoint(tab_x,             tab_y+tab_height-4);
 422         border_points[1] = wxPoint(tab_x,             tab_y+2);
 423         border_points[2] = wxPoint(tab_x+2,           tab_y);
 424         border_points[3] = wxPoint(tab_x+tab_width-2, tab_y);
 425         border_points[4] = wxPoint(tab_x+tab_width,   tab_y+2);
 426         border_points[5] = wxPoint(tab_x+tab_width,   tab_y+tab_height-4);
 427     }
 428     // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 429     // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 430
 431     int drawn_tab_yoff = border_points[1].y;
 432     int drawn_tab_height = border_points[0].y - border_points[1].y;
 433
 434
 435     if (page.active)
 436     {
 437         // draw active tab
 438
 439         // draw base background color
 440         wxRect r(tab_x, tab_y, tab_width, tab_height);
 441         dc.SetPen(m_base_colour_pen);
 442         dc.SetBrush(m_base_colour_brush);
 443         dc.DrawRectangle(r.x+1, r.y+1, r.width-1, r.height-4);
 444
 445         // this white helps fill out the gradient at the top of the tab
 446         dc.SetPen(*wxWHITE_PEN);
 447         dc.SetBrush(*wxWHITE_BRUSH);
 448         dc.DrawRectangle(r.x+2, r.y+1, r.width-3, r.height-4);
 449
 450         // these two points help the rounded corners appear more antialiased
 451         dc.SetPen(m_base_colour_pen);
 452         dc.DrawPoint(r.x+2, r.y+1);
 453         dc.DrawPoint(r.x+r.width-2, r.y+1);
 454
 455         // set rectangle down a bit for gradient drawing
 456         r.SetHeight(r.GetHeight()/2);
 457         r.x += 2;
 458         r.width -= 2;
 459         r.y += r.height;
 460         r.y -= 2;
 461
 462         // draw gradient background
 463         wxColor top_color = *wxWHITE;
 464         wxColor bottom_color = m_base_colour;
 465         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 466     }
 467     else
 468     {
 469         // draw inactive tab
 470
 471         wxRect r(tab_x, tab_y+1, tab_width, tab_height-3);
 472
 473         // start the gradent up a bit and leave the inside border inset
 474         // by a pixel for a 3D look.  Only the top half of the inactive
 475         // tab will have a slight gradient
 476         r.x += 3;
 477         r.y++;
 478         r.width -= 4;
 479         r.height /= 2;
 480         r.height--;
 481
 482         // -- draw top gradient fill for glossy look
 483         wxColor top_color = m_base_colour;
 484         wxColor bottom_color = top_color.ChangeLightness(160);
 485         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 486
 487         r.y += r.height;
 488         r.y--;
 489
 490         // -- draw bottom fill for glossy look
 491         top_color = m_base_colour;
 492         bottom_color = m_base_colour;
 493         dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 494     }
 495
 496     // draw tab outline
 497     dc.SetPen(m_border_pen);
 498     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 499     dc.DrawPolygon(WXSIZEOF(border_points), border_points);
 500
 501     // there are two horizontal grey lines at the bottom of the tab control,
 502     // this gets rid of the top one of those lines in the tab control
 503     if (page.active)
 504     {
 505         if (m_flags &wxAUI_NB_BOTTOM)
 506             dc.SetPen(wxPen(m_base_colour.ChangeLightness(170)));
 507         // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 508         // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 509         else //for wxAUI_NB_TOP
 510             dc.SetPen(m_base_colour_pen);
 511         dc.DrawLine(border_points[0].x+1,
 512                     border_points[0].y,
 513                     border_points[5].x,
 514                     border_points[5].y);
 515     }
 516
 517
 518     int text_offset = tab_x + 8;
 519     int close_button_width = 0;
 520     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 521     {
 522         close_button_width = m_active_close_bmp.GetWidth();
 523     }
 524
 525     int bitmap_offset = 0;
 526     if (page.bitmap.IsOk())
 527     {
 528         bitmap_offset = tab_x + 8;
 529
 530         // draw bitmap
 531         dc.DrawBitmap(page.bitmap,
 532                       bitmap_offset,
 533                       drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
 534                       true);
 535
 536         text_offset = bitmap_offset + page.bitmap.GetWidth();
 537         text_offset += 3; // bitmap padding
 538
 539     }
 540     else
 541     {
 542         text_offset = tab_x + 8;
 543     }
 544
 545
 546     wxString draw_text = wxAuiChopText(dc,
 547                           caption,
 548                           tab_width - (text_offset-tab_x) - close_button_width);
 549
 550     // draw tab text
 551     dc.DrawText(draw_text,
 552                 text_offset,
 553                 drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1);
 554
 555     // draw focus rectangle
 556     if (page.active && (wnd->FindFocus() == wnd))
 557     {
 558         wxRect focusRectText(text_offset, (drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1),
 559             selected_textx, selected_texty);
 560
 561         wxRect focusRect;
 562         wxRect focusRectBitmap;
 563
 564         if (page.bitmap.IsOk())
 565             focusRectBitmap = wxRect(bitmap_offset, drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
 566                                             page.bitmap.GetWidth(), page.bitmap.GetHeight());
 567
 568         if (page.bitmap.IsOk() && draw_text.IsEmpty())
 569             focusRect = focusRectBitmap;
 570         else if (!page.bitmap.IsOk() && !draw_text.IsEmpty())
 571             focusRect = focusRectText;
 572         else if (page.bitmap.IsOk() && !draw_text.IsEmpty())
 573             focusRect = focusRectText.Union(focusRectBitmap);
 574
 575         focusRect.Inflate(2, 2);
 576
 577         wxRendererNative::Get().DrawFocusRect(wnd, dc, focusRect, 0);
 578     }
 579
 580     // draw close button if necessary
 581     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 582     {
 583         wxBitmap bmp = m_disabled_close_bmp;
 584
 585         if (close_button_state == wxAUI_BUTTON_STATE_HOVER ||
 586             close_button_state == wxAUI_BUTTON_STATE_PRESSED)
 587         {
 588             bmp = m_active_close_bmp;
 589         }
 590
 591         int offsetY = tab_y-1;
 592         if (m_flags & wxAUI_NB_BOTTOM)
 593             offsetY = 1;
 594
 595         wxRect rect(tab_x + tab_width - close_button_width - 1,
 596                     offsetY + (tab_height/2) - (bmp.GetHeight()/2),
 597                     close_button_width,
 598                     tab_height);
 599
 600         IndentPressedBitmap(&rect, close_button_state);
 601         dc.DrawBitmap(bmp, rect.x, rect.y, true);
 602
 603         *out_button_rect = rect;
 604     }
 605
 606     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
 607
 608     dc.DestroyClippingRegion();
 609 }
 610
 611 int wxAuiDefaultTabArt::GetIndentSize()
 612 {
 613     return 5;
 614 }
 615
 616 wxSize wxAuiDefaultTabArt::GetTabSize(wxDC& dc,
 617                                       wxWindow* WXUNUSED(wnd),
 618                                       const wxString& caption,
 619                                       const wxBitmap& bitmap,
 620                                       bool WXUNUSED(active),
 621                                       int close_button_state,
 622                                       int* x_extent)
 623 {
 624     wxCoord measured_textx, measured_texty, tmp;
 625
 626     dc.SetFont(m_measuring_font);
 627     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
 628
 629     dc.GetTextExtent(wxT("ABCDEFXj"), &tmp, &measured_texty);
 630
 631     // add padding around the text
 632     wxCoord tab_width = measured_textx;
 633     wxCoord tab_height = measured_texty;
 634
 635     // if the close button is showing, add space for it
 636     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 637         tab_width += m_active_close_bmp.GetWidth() + 3;
 638
 639     // if there's a bitmap, add space for it
 640     if (bitmap.IsOk())
 641     {
 642         tab_width += bitmap.GetWidth();
 643         tab_width += 3; // right side bitmap padding
 644         tab_height = wxMax(tab_height, bitmap.GetHeight());
 645     }
 646
 647     // add padding
 648     tab_width += 16;
 649     tab_height += 10;
 650
 651     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
 652     {
 653         tab_width = m_fixed_tab_width;
 654     }
 655
 656     *x_extent = tab_width;
 657
 658     return wxSize(tab_width, tab_height);
 659 }
 660
 661
 662 void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
 663                                     wxWindow* WXUNUSED(wnd),
 664                                     const wxRect& in_rect,
 665                                     int bitmap_id,
 666                                     int button_state,
 667                                     int orientation,
 668                                     wxRect* out_rect)
 669 {
 670     wxBitmap bmp;
 671     wxRect rect;
 672
 673     switch (bitmap_id)
 674     {
 675         case wxAUI_BUTTON_CLOSE:
 676             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 677                 bmp = m_disabled_close_bmp;
 678             else
 679                 bmp = m_active_close_bmp;
 680             break;
 681         case wxAUI_BUTTON_LEFT:
 682             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 683                 bmp = m_disabled_left_bmp;
 684             else
 685                 bmp = m_active_left_bmp;
 686             break;
 687         case wxAUI_BUTTON_RIGHT:
 688             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 689                 bmp = m_disabled_right_bmp;
 690             else
 691                 bmp = m_active_right_bmp;
 692             break;
 693         case wxAUI_BUTTON_WINDOWLIST:
 694             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 695                 bmp = m_disabled_windowlist_bmp;
 696             else
 697                 bmp = m_active_windowlist_bmp;
 698             break;
 699     }
 700
 701
 702     if (!bmp.IsOk())
 703         return;
 704
 705     rect = in_rect;
 706
 707     if (orientation == wxLEFT)
 708     {
 709         rect.SetX(in_rect.x);
 710         rect.SetY(((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2));
 711         rect.SetWidth(bmp.GetWidth());
 712         rect.SetHeight(bmp.GetHeight());
 713     }
 714     else
 715     {
 716         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
 717                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
 718                       bmp.GetWidth(), bmp.GetHeight());
 719     }
 720
 721     IndentPressedBitmap(&rect, button_state);
 722     dc.DrawBitmap(bmp, rect.x, rect.y, true);
 723
 724     *out_rect = rect;
 725 }
 726
 727 int wxAuiDefaultTabArt::ShowDropDown(wxWindow* wnd,
 728                                      const wxAuiNotebookPageArray& pages,
 729                                      int /*active_idx*/)
 730 {
 731     wxMenu menuPopup;
 732
 733     size_t i, count = pages.GetCount();
 734     for (i = 0; i < count; ++i)
 735     {
 736         const wxAuiNotebookPage& page = pages.Item(i);
 737         wxString caption = page.caption;
 738
 739         // if there is no caption, make it a space.  This will prevent
 740         // an assert in the menu code.
 741         if (caption.IsEmpty())
 742             caption = wxT(" ");
 743
 744         wxMenuItem* item = new wxMenuItem(NULL, 1000+i, caption);
 745         if (page.bitmap.IsOk())
 746             item->SetBitmap(page.bitmap);
 747         menuPopup.Append(item);
 748     }
 749
 750     // find out where to put the popup menu of window items
 751     wxPoint pt = ::wxGetMousePosition();
 752     pt = wnd->ScreenToClient(pt);
 753
 754     // find out the screen coordinate at the bottom of the tab ctrl
 755     wxRect cli_rect = wnd->GetClientRect();
 756     pt.y = cli_rect.y + cli_rect.height;
 757
 758     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
 759     wnd->PushEventHandler(cc);
 760     wnd->PopupMenu(&menuPopup, pt);
 761     int command = cc->GetCommandId();
 762     wnd->PopEventHandler(true);
 763
 764     if (command >= 1000)
 765         return command-1000;
 766
 767     return -1;
 768 }
 769
 770 int wxAuiDefaultTabArt::GetBestTabCtrlSize(wxWindow* wnd,
 771                                            const wxAuiNotebookPageArray& pages,
 772                                            const wxSize& required_bmp_size)
 773 {
 774     wxClientDC dc(wnd);
 775     dc.SetFont(m_measuring_font);
 776
 777     // sometimes a standard bitmap size needs to be enforced, especially
 778     // if some tabs have bitmaps and others don't.  This is important because
 779     // it prevents the tab control from resizing when tabs are added.
 780     wxBitmap measure_bmp;
 781     if (required_bmp_size.IsFullySpecified())
 782     {
 783         measure_bmp.Create(required_bmp_size.x,
 784                            required_bmp_size.y);
 785     }
 786
 787
 788     int max_y = 0;
 789     size_t i, page_count = pages.GetCount();
 790     for (i = 0; i < page_count; ++i)
 791     {
 792         wxAuiNotebookPage& page = pages.Item(i);
 793
 794         wxBitmap bmp;
 795         if (measure_bmp.IsOk())
 796             bmp = measure_bmp;
 797         else
 798             bmp = page.bitmap;
 799
 800         // we don't use the caption text because we don't
 801         // want tab heights to be different in the case
 802         // of a very short piece of text on one tab and a very
 803         // tall piece of text on another tab
 804         int x_ext = 0;
 805         wxSize s = GetTabSize(dc,
 806                               wnd,
 807                               wxT("ABCDEFGHIj"),
 808                               bmp,
 809                               true,
 810                               wxAUI_BUTTON_STATE_HIDDEN,
 811                               &x_ext);
 812
 813         max_y = wxMax(max_y, s.y);
 814     }
 815
 816     return max_y+2;
 817 }
 818
 819 void wxAuiDefaultTabArt::SetNormalFont(const wxFont& font)
 820 {
 821     m_normal_font = font;
 822 }
 823
 824 void wxAuiDefaultTabArt::SetSelectedFont(const wxFont& font)
 825 {
 826     m_selected_font = font;
 827 }
 828
 829 void wxAuiDefaultTabArt::SetMeasuringFont(const wxFont& font)
 830 {
 831     m_measuring_font = font;
 832 }
 833
 834
 835 // -- wxAuiSimpleTabArt class implementation --
 836
 837 wxAuiSimpleTabArt::wxAuiSimpleTabArt()
 838 {
 839     m_normal_font = *wxNORMAL_FONT;
 840     m_selected_font = *wxNORMAL_FONT;
 841     m_selected_font.SetWeight(wxBOLD);
 842     m_measuring_font = m_selected_font;
 843
 844     m_flags = 0;
 845     m_fixed_tab_width = 100;
 846
 847     wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 848
 849     wxColour background_colour = base_colour;
 850     wxColour normaltab_colour = base_colour;
 851     wxColour selectedtab_colour = *wxWHITE;
 852
 853     m_bkbrush = wxBrush(background_colour);
 854     m_normal_bkbrush = wxBrush(normaltab_colour);
 855     m_normal_bkpen = wxPen(normaltab_colour);
 856     m_selected_bkbrush = wxBrush(selectedtab_colour);
 857     m_selected_bkpen = wxPen(selectedtab_colour);
 858
 859     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 860     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 861
 862     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 863     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 864
 865     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 866     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 867
 868     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 869     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 870
 871 }
 872
 873 wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
 874 {
 875 }
 876
 877 wxAuiTabArt* wxAuiSimpleTabArt::Clone()
 878 {
 879     return static_cast<wxAuiTabArt*>(new wxAuiSimpleTabArt);
 880 }
 881
 882
 883 void wxAuiSimpleTabArt::SetFlags(unsigned int flags)
 884 {
 885     m_flags = flags;
 886 }
 887
 888 void wxAuiSimpleTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 889                                       size_t tab_count)
 890 {
 891     m_fixed_tab_width = 100;
 892
 893     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 894
 895     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 896         tot_width -= m_active_close_bmp.GetWidth();
 897     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 898         tot_width -= m_active_windowlist_bmp.GetWidth();
 899
 900     if (tab_count > 0)
 901     {
 902         m_fixed_tab_width = tot_width/(int)tab_count;
 903     }
 904
 905
 906     if (m_fixed_tab_width < 100)
 907         m_fixed_tab_width = 100;
 908
 909     if (m_fixed_tab_width > tot_width/2)
 910         m_fixed_tab_width = tot_width/2;
 911
 912     if (m_fixed_tab_width > 220)
 913         m_fixed_tab_width = 220;
 914 }
 915
 916 void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
 917                                        wxWindow* WXUNUSED(wnd),
 918                                        const wxRect& rect)
 919 {
 920     // draw background
 921     dc.SetBrush(m_bkbrush);
 922     dc.SetPen(*wxTRANSPARENT_PEN);
 923     dc.DrawRectangle(-1, -1, rect.GetWidth()+2, rect.GetHeight()+2);
 924
 925     // draw base line
 926     dc.SetPen(*wxGREY_PEN);
 927     dc.DrawLine(0, rect.GetHeight()-1, rect.GetWidth(), rect.GetHeight()-1);
 928 }
 929
 930
 931 // DrawTab() draws an individual tab.
 932 //
 933 // dc       - output dc
 934 // in_rect  - rectangle the tab should be confined to
 935 // caption  - tab's caption
 936 // active   - whether or not the tab is active
 937 // out_rect - actual output rectangle
 938 // x_extent - the advance x; where the next tab should start
 939
 940 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
 941                                 wxWindow* wnd,
 942                                 const wxAuiNotebookPage& page,
 943                                 const wxRect& in_rect,
 944                                 int close_button_state,
 945                                 wxRect* out_tab_rect,
 946                                 wxRect* out_button_rect,
 947                                 int* x_extent)
 948 {
 949     wxCoord normal_textx, normal_texty;
 950     wxCoord selected_textx, selected_texty;
 951     wxCoord textx, texty;
 952
 953     // if the caption is empty, measure some temporary text
 954     wxString caption = page.caption;
 955     if (caption.empty())
 956         caption = wxT("Xj");
 957
 958     dc.SetFont(m_selected_font);
 959     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 960
 961     dc.SetFont(m_normal_font);
 962     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 963
 964     // figure out the size of the tab
 965     wxSize tab_size = GetTabSize(dc,
 966                                  wnd,
 967                                  page.caption,
 968                                  page.bitmap,
 969                                  page.active,
 970                                  close_button_state,
 971                                  x_extent);
 972
 973     wxCoord tab_height = tab_size.y;
 974     wxCoord tab_width = tab_size.x;
 975     wxCoord tab_x = in_rect.x;
 976     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 977
 978     caption = page.caption;
 979
 980     // select pen, brush and font for the tab to be drawn
 981
 982     if (page.active)
 983     {
 984         dc.SetPen(m_selected_bkpen);
 985         dc.SetBrush(m_selected_bkbrush);
 986         dc.SetFont(m_selected_font);
 987         textx = selected_textx;
 988         texty = selected_texty;
 989     }
 990     else
 991     {
 992         dc.SetPen(m_normal_bkpen);
 993         dc.SetBrush(m_normal_bkbrush);
 994         dc.SetFont(m_normal_font);
 995         textx = normal_textx;
 996         texty = normal_texty;
 997     }
 998
 999
1000     // -- draw line --
1001
1002     wxPoint points[7];
1003     points[0].x = tab_x;
1004     points[0].y = tab_y + tab_height - 1;
1005     points[1].x = tab_x + tab_height - 3;
1006     points[1].y = tab_y + 2;
1007     points[2].x = tab_x + tab_height + 3;
1008     points[2].y = tab_y;
1009     points[3].x = tab_x + tab_width - 2;
1010     points[3].y = tab_y;
1011     points[4].x = tab_x + tab_width;
1012     points[4].y = tab_y + 2;
1013     points[5].x = tab_x + tab_width;
1014     points[5].y = tab_y + tab_height - 1;
1015     points[6] = points[0];
1016
1017     dc.SetClippingRegion(in_rect);
1018
1019     dc.DrawPolygon(WXSIZEOF(points) - 1, points);
1020
1021     dc.SetPen(*wxGREY_PEN);
1022
1023     //dc.DrawLines(active ? WXSIZEOF(points) - 1 : WXSIZEOF(points), points);
1024     dc.DrawLines(WXSIZEOF(points), points);
1025
1026
1027     int text_offset;
1028
1029     int close_button_width = 0;
1030     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1031     {
1032         close_button_width = m_active_close_bmp.GetWidth();
1033         text_offset = tab_x + (tab_height/2) + ((tab_width-close_button_width)/2) - (textx/2);
1034     }
1035     else
1036     {
1037         text_offset = tab_x + (tab_height/3) + (tab_width/2) - (textx/2);
1038     }
1039
1040     // set minimum text offset
1041     if (text_offset < tab_x + tab_height)
1042         text_offset = tab_x + tab_height;
1043
1044     // chop text if necessary
1045     wxString draw_text = wxAuiChopText(dc,
1046                           caption,
1047                           tab_width - (text_offset-tab_x) - close_button_width);
1048
1049     // draw tab text
1050     dc.DrawText(draw_text,
1051                  text_offset,
1052                  (tab_y + tab_height)/2 - (texty/2) + 1);
1053
1054
1055     // draw focus rectangle
1056     if (page.active && (wnd->FindFocus() == wnd))
1057     {
1058         wxRect focusRect(text_offset, ((tab_y + tab_height)/2 - (texty/2) + 1),
1059             selected_textx, selected_texty);
1060
1061         focusRect.Inflate(2, 2);
1062
1063         wxRendererNative::Get().DrawFocusRect(wnd, dc, focusRect, 0);
1064     }
1065
1066     // draw close button if necessary
1067     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1068     {
1069         wxBitmap bmp;
1070         if (page.active)
1071             bmp = m_active_close_bmp;
1072         else
1073             bmp = m_disabled_close_bmp;
1074
1075         wxRect rect(tab_x + tab_width - close_button_width - 1,
1076                     tab_y + (tab_height/2) - (bmp.GetHeight()/2) + 1,
1077                     close_button_width,
1078                     tab_height - 1);
1079         DrawButtons(dc, rect, bmp, *wxWHITE, close_button_state);
1080
1081         *out_button_rect = rect;
1082     }
1083
1084
1085     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
1086
1087     dc.DestroyClippingRegion();
1088 }
1089
1090 int wxAuiSimpleTabArt::GetIndentSize()
1091 {
1092     return 0;
1093 }
1094
1095 wxSize wxAuiSimpleTabArt::GetTabSize(wxDC& dc,
1096                                      wxWindow* WXUNUSED(wnd),
1097                                      const wxString& caption,
1098                                      const wxBitmap& WXUNUSED(bitmap),
1099                                      bool WXUNUSED(active),
1100                                      int close_button_state,
1101                                      int* x_extent)
1102 {
1103     wxCoord measured_textx, measured_texty;
1104
1105     dc.SetFont(m_measuring_font);
1106     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
1107
1108     wxCoord tab_height = measured_texty + 4;
1109     wxCoord tab_width = measured_textx + tab_height + 5;
1110
1111     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1112         tab_width += m_active_close_bmp.GetWidth();
1113
1114     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
1115     {
1116         tab_width = m_fixed_tab_width;
1117     }
1118
1119     *x_extent = tab_width - (tab_height/2) - 1;
1120
1121     return wxSize(tab_width, tab_height);
1122 }
1123
1124
1125 void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
1126                                    wxWindow* WXUNUSED(wnd),
1127                                    const wxRect& in_rect,
1128                                    int bitmap_id,
1129                                    int button_state,
1130                                    int orientation,
1131                                    wxRect* out_rect)
1132 {
1133     wxBitmap bmp;
1134     wxRect rect;
1135
1136     switch (bitmap_id)
1137     {
1138         case wxAUI_BUTTON_CLOSE:
1139             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1140                 bmp = m_disabled_close_bmp;
1141             else
1142                 bmp = m_active_close_bmp;
1143             break;
1144         case wxAUI_BUTTON_LEFT:
1145             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1146                 bmp = m_disabled_left_bmp;
1147             else
1148                 bmp = m_active_left_bmp;
1149             break;
1150         case wxAUI_BUTTON_RIGHT:
1151             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1152                 bmp = m_disabled_right_bmp;
1153             else
1154                 bmp = m_active_right_bmp;
1155             break;
1156         case wxAUI_BUTTON_WINDOWLIST:
1157             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1158                 bmp = m_disabled_windowlist_bmp;
1159             else
1160                 bmp = m_active_windowlist_bmp;
1161             break;
1162     }
1163
1164     if (!bmp.IsOk())
1165         return;
1166
1167     rect = in_rect;
1168
1169     if (orientation == wxLEFT)
1170     {
1171         rect.SetX(in_rect.x);
1172         rect.SetY(((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2));
1173         rect.SetWidth(bmp.GetWidth());
1174         rect.SetHeight(bmp.GetHeight());
1175     }
1176     else
1177     {
1178         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
1179                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
1180                       bmp.GetWidth(), bmp.GetHeight());
1181     }
1182
1183
1184     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
1185
1186     *out_rect = rect;
1187 }
1188
1189 int wxAuiSimpleTabArt::ShowDropDown(wxWindow* wnd,
1190                                     const wxAuiNotebookPageArray& pages,
1191                                     int active_idx)
1192 {
1193     wxMenu menuPopup;
1194
1195     size_t i, count = pages.GetCount();
1196     for (i = 0; i < count; ++i)
1197     {
1198         const wxAuiNotebookPage& page = pages.Item(i);
1199         menuPopup.AppendCheckItem(1000+i, page.caption);
1200     }
1201
1202     if (active_idx != -1)
1203     {
1204         menuPopup.Check(1000+active_idx, true);
1205     }
1206
1207     // find out where to put the popup menu of window
1208     // items.  Subtract 100 for now to center the menu
1209     // a bit, until a better mechanism can be implemented
1210     wxPoint pt = ::wxGetMousePosition();
1211     pt = wnd->ScreenToClient(pt);
1212     if (pt.x < 100)
1213         pt.x = 0;
1214     else
1215         pt.x -= 100;
1216
1217     // find out the screen coordinate at the bottom of the tab ctrl
1218     wxRect cli_rect = wnd->GetClientRect();
1219     pt.y = cli_rect.y + cli_rect.height;
1220
1221     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
1222     wnd->PushEventHandler(cc);
1223     wnd->PopupMenu(&menuPopup, pt);
1224     int command = cc->GetCommandId();
1225     wnd->PopEventHandler(true);
1226
1227     if (command >= 1000)
1228         return command-1000;
1229
1230     return -1;
1231 }
1232
1233 int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd,
1234                                           const wxAuiNotebookPageArray& WXUNUSED(pages),
1235                                           const wxSize& WXUNUSED(required_bmp_size))
1236 {
1237     wxClientDC dc(wnd);
1238     dc.SetFont(m_measuring_font);
1239     int x_ext = 0;
1240     wxSize s = GetTabSize(dc,
1241                           wnd,
1242                           wxT("ABCDEFGHIj"),
1243                           wxNullBitmap,
1244                           true,
1245                           wxAUI_BUTTON_STATE_HIDDEN,
1246                           &x_ext);
1247     return s.y+3;
1248 }
1249
1250 void wxAuiSimpleTabArt::SetNormalFont(const wxFont& font)
1251 {
1252     m_normal_font = font;
1253 }
1254
1255 void wxAuiSimpleTabArt::SetSelectedFont(const wxFont& font)
1256 {
1257     m_selected_font = font;
1258 }
1259
1260 void wxAuiSimpleTabArt::SetMeasuringFont(const wxFont& font)
1261 {
1262     m_measuring_font = font;
1263 }
1264
1265
1266
1267
1268 // -- wxAuiTabContainer class implementation --
1269
1270
1271 // wxAuiTabContainer is a class which contains information about each
1272 // tab.  It also can render an entire tab control to a specified DC.
1273 // It's not a window class itself, because this code will be used by
1274 // the wxFrameMananger, where it is disadvantageous to have separate
1275 // windows for each tab control in the case of "docked tabs"
1276
1277 // A derived class, wxAuiTabCtrl, is an actual wxWindow-derived window
1278 // which can be used as a tab control in the normal sense.
1279
1280
1281 wxAuiTabContainer::wxAuiTabContainer()
1282 {
1283     m_tab_offset = 0;
1284     m_flags = 0;
1285     m_art = new wxAuiDefaultTabArt;
1286
1287     AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1288     AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1289     AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1290     AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1291 }
1292
1293 wxAuiTabContainer::~wxAuiTabContainer()
1294 {
1295     delete m_art;
1296 }
1297
1298 void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
1299 {
1300     delete m_art;
1301     m_art = art;
1302
1303     if (m_art)
1304     {
1305         m_art->SetFlags(m_flags);
1306     }
1307 }
1308
1309 wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
1310 {
1311     return m_art;
1312 }
1313
1314 void wxAuiTabContainer::SetFlags(unsigned int flags)
1315 {
1316     m_flags = flags;
1317
1318     // check for new close button settings
1319     RemoveButton(wxAUI_BUTTON_LEFT);
1320     RemoveButton(wxAUI_BUTTON_RIGHT);
1321     RemoveButton(wxAUI_BUTTON_WINDOWLIST);
1322     RemoveButton(wxAUI_BUTTON_CLOSE);
1323
1324
1325     if (flags & wxAUI_NB_SCROLL_BUTTONS)
1326     {
1327         AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1328         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1329     }
1330
1331     if (flags & wxAUI_NB_WINDOWLIST_BUTTON)
1332     {
1333         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1334     }
1335
1336     if (flags & wxAUI_NB_CLOSE_BUTTON)
1337     {
1338         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1339     }
1340
1341     if (m_art)
1342     {
1343         m_art->SetFlags(m_flags);
1344     }
1345 }
1346
1347 unsigned int wxAuiTabContainer::GetFlags() const
1348 {
1349     return m_flags;
1350 }
1351
1352
1353 void wxAuiTabContainer::SetNormalFont(const wxFont& font)
1354 {
1355     m_art->SetNormalFont(font);
1356 }
1357
1358 void wxAuiTabContainer::SetSelectedFont(const wxFont& font)
1359 {
1360     m_art->SetSelectedFont(font);
1361 }
1362
1363 void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
1364 {
1365     m_art->SetMeasuringFont(font);
1366 }
1367
1368 void wxAuiTabContainer::SetRect(const wxRect& rect)
1369 {
1370     m_rect = rect;
1371
1372     if (m_art)
1373     {
1374         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
1375     }
1376 }
1377
1378 bool wxAuiTabContainer::AddPage(wxWindow* page,
1379                                 const wxAuiNotebookPage& info)
1380 {
1381     wxAuiNotebookPage page_info;
1382     page_info = info;
1383     page_info.window = page;
1384
1385     m_pages.Add(page_info);
1386
1387     // let the art provider know how many pages we have
1388     if (m_art)
1389     {
1390         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1391     }
1392
1393     return true;
1394 }
1395
1396 bool wxAuiTabContainer::InsertPage(wxWindow* page,
1397                                    const wxAuiNotebookPage& info,
1398                                    size_t idx)
1399 {
1400     wxAuiNotebookPage page_info;
1401     page_info = info;
1402     page_info.window = page;
1403
1404     if (idx >= m_pages.GetCount())
1405         m_pages.Add(page_info);
1406     else
1407         m_pages.Insert(page_info, idx);
1408
1409     // let the art provider know how many pages we have
1410     if (m_art)
1411     {
1412         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1413     }
1414
1415     return true;
1416 }
1417
1418 bool wxAuiTabContainer::MovePage(wxWindow* page,
1419                                  size_t new_idx)
1420 {
1421     int idx = GetIdxFromWindow(page);
1422     if (idx == -1)
1423         return false;
1424
1425     // get page entry, make a copy of it
1426     wxAuiNotebookPage p = GetPage(idx);
1427
1428     // remove old page entry
1429     RemovePage(page);
1430
1431     // insert page where it should be
1432     InsertPage(page, p, new_idx);
1433
1434     return true;
1435 }
1436
1437 bool wxAuiTabContainer::RemovePage(wxWindow* wnd)
1438 {
1439     size_t i, page_count = m_pages.GetCount();
1440     for (i = 0; i < page_count; ++i)
1441     {
1442         wxAuiNotebookPage& page = m_pages.Item(i);
1443         if (page.window == wnd)
1444         {
1445             m_pages.RemoveAt(i);
1446
1447             // let the art provider know how many pages we have
1448             if (m_art)
1449             {
1450                 m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1451             }
1452
1453             return true;
1454         }
1455     }
1456
1457     return false;
1458 }
1459
1460 bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
1461 {
1462     bool found = false;
1463
1464     size_t i, page_count = m_pages.GetCount();
1465     for (i = 0; i < page_count; ++i)
1466     {
1467         wxAuiNotebookPage& page = m_pages.Item(i);
1468         if (page.window == wnd)
1469         {
1470             page.active = true;
1471             found = true;
1472         }
1473         else
1474         {
1475             page.active = false;
1476         }
1477     }
1478
1479     return found;
1480 }
1481
1482 void wxAuiTabContainer::SetNoneActive()
1483 {
1484     size_t i, page_count = m_pages.GetCount();
1485     for (i = 0; i < page_count; ++i)
1486     {
1487         wxAuiNotebookPage& page = m_pages.Item(i);
1488         page.active = false;
1489     }
1490 }
1491
1492 bool wxAuiTabContainer::SetActivePage(size_t page)
1493 {
1494     if (page >= m_pages.GetCount())
1495         return false;
1496
1497     return SetActivePage(m_pages.Item(page).window);
1498 }
1499
1500 int wxAuiTabContainer::GetActivePage() const
1501 {
1502     size_t i, page_count = m_pages.GetCount();
1503     for (i = 0; i < page_count; ++i)
1504     {
1505         wxAuiNotebookPage& page = m_pages.Item(i);
1506         if (page.active)
1507             return i;
1508     }
1509
1510     return -1;
1511 }
1512
1513 wxWindow* wxAuiTabContainer::GetWindowFromIdx(size_t idx) const
1514 {
1515     if (idx >= m_pages.GetCount())
1516         return NULL;
1517
1518     return m_pages[idx].window;
1519 }
1520
1521 int wxAuiTabContainer::GetIdxFromWindow(wxWindow* wnd) const
1522 {
1523     const size_t page_count = m_pages.GetCount();
1524     for ( size_t i = 0; i < page_count; ++i )
1525     {
1526         wxAuiNotebookPage& page = m_pages.Item(i);
1527         if (page.window == wnd)
1528             return i;
1529     }
1530     return wxNOT_FOUND;
1531 }
1532
1533 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
1534 {
1535     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1536
1537     return m_pages[idx];
1538 }
1539
1540 const wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx) const
1541 {
1542     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1543
1544     return m_pages[idx];
1545 }
1546
1547 wxAuiNotebookPageArray& wxAuiTabContainer::GetPages()
1548 {
1549     return m_pages;
1550 }
1551
1552 size_t wxAuiTabContainer::GetPageCount() const
1553 {
1554     return m_pages.GetCount();
1555 }
1556
1557 void wxAuiTabContainer::AddButton(int id,
1558                                   int location,
1559                                   const wxBitmap& normal_bitmap,
1560                                   const wxBitmap& disabled_bitmap)
1561 {
1562     wxAuiTabContainerButton button;
1563     button.id = id;
1564     button.bitmap = normal_bitmap;
1565     button.dis_bitmap = disabled_bitmap;
1566     button.location = location;
1567     button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1568
1569     m_buttons.Add(button);
1570 }
1571
1572 void wxAuiTabContainer::RemoveButton(int id)
1573 {
1574     size_t i, button_count = m_buttons.GetCount();
1575
1576     for (i = 0; i < button_count; ++i)
1577     {
1578         if (m_buttons.Item(i).id == id)
1579         {
1580             m_buttons.RemoveAt(i);
1581             return;
1582         }
1583     }
1584 }
1585
1586
1587
1588 size_t wxAuiTabContainer::GetTabOffset() const
1589 {
1590     return m_tab_offset;
1591 }
1592
1593 void wxAuiTabContainer::SetTabOffset(size_t offset)
1594 {
1595     m_tab_offset = offset;
1596 }
1597
1598
1599
1600
1601 // Render() renders the tab catalog to the specified DC
1602 // It is a virtual function and can be overridden to
1603 // provide custom drawing capabilities
1604 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
1605 {
1606     if (!raw_dc || !raw_dc->IsOk())
1607         return;
1608
1609     wxMemoryDC dc;
1610
1611     // use the same layout direction as the window DC uses to ensure that the
1612     // text is rendered correctly
1613     dc.SetLayoutDirection(raw_dc->GetLayoutDirection());
1614
1615     wxBitmap bmp;
1616     size_t i;
1617     size_t page_count = m_pages.GetCount();
1618     size_t button_count = m_buttons.GetCount();
1619
1620     // create off-screen bitmap
1621     bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
1622     dc.SelectObject(bmp);
1623
1624     if (!dc.IsOk())
1625         return;
1626
1627     // find out if size of tabs is larger than can be
1628     // afforded on screen
1629     int total_width = 0;
1630     int visible_width = 0;
1631     for (i = 0; i < page_count; ++i)
1632     {
1633         wxAuiNotebookPage& page = m_pages.Item(i);
1634
1635         // determine if a close button is on this tab
1636         bool close_button = false;
1637         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1638             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1639         {
1640             close_button = true;
1641         }
1642
1643
1644         int x_extent = 0;
1645         wxSize size = m_art->GetTabSize(dc,
1646                             wnd,
1647                             page.caption,
1648                             page.bitmap,
1649                             page.active,
1650                             close_button ?
1651                               wxAUI_BUTTON_STATE_NORMAL :
1652                               wxAUI_BUTTON_STATE_HIDDEN,
1653                             &x_extent);
1654
1655         if (i+1 < page_count)
1656             total_width += x_extent;
1657         else
1658             total_width += size.x;
1659
1660         if (i >= m_tab_offset)
1661         {
1662             if (i+1 < page_count)
1663                 visible_width += x_extent;
1664             else
1665                 visible_width += size.x;
1666         }
1667     }
1668
1669     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
1670     {
1671         // show left/right buttons
1672         for (i = 0; i < button_count; ++i)
1673         {
1674             wxAuiTabContainerButton& button = m_buttons.Item(i);
1675             if (button.id == wxAUI_BUTTON_LEFT ||
1676                 button.id == wxAUI_BUTTON_RIGHT)
1677             {
1678                 button.cur_state &= ~wxAUI_BUTTON_STATE_HIDDEN;
1679             }
1680         }
1681     }
1682     else
1683     {
1684         // hide left/right buttons
1685         for (i = 0; i < button_count; ++i)
1686         {
1687             wxAuiTabContainerButton& button = m_buttons.Item(i);
1688             if (button.id == wxAUI_BUTTON_LEFT ||
1689                 button.id == wxAUI_BUTTON_RIGHT)
1690             {
1691                 button.cur_state |= wxAUI_BUTTON_STATE_HIDDEN;
1692             }
1693         }
1694     }
1695
1696     // determine whether left button should be enabled
1697     for (i = 0; i < button_count; ++i)
1698     {
1699         wxAuiTabContainerButton& button = m_buttons.Item(i);
1700         if (button.id == wxAUI_BUTTON_LEFT)
1701         {
1702             if (m_tab_offset == 0)
1703                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1704             else
1705                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1706         }
1707         if (button.id == wxAUI_BUTTON_RIGHT)
1708         {
1709             if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
1710                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1711             else
1712                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1713         }
1714     }
1715
1716
1717
1718     // draw background
1719     m_art->DrawBackground(dc, wnd, m_rect);
1720
1721     // draw buttons
1722     int left_buttons_width = 0;
1723     int right_buttons_width = 0;
1724
1725     int offset = 0;
1726
1727     // draw the buttons on the right side
1728     offset = m_rect.x + m_rect.width;
1729     for (i = 0; i < button_count; ++i)
1730     {
1731         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1732
1733         if (button.location != wxRIGHT)
1734             continue;
1735         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1736             continue;
1737
1738         wxRect button_rect = m_rect;
1739         button_rect.SetY(1);
1740         button_rect.SetWidth(offset);
1741
1742         m_art->DrawButton(dc,
1743                           wnd,
1744                           button_rect,
1745                           button.id,
1746                           button.cur_state,
1747                           wxRIGHT,
1748                           &button.rect);
1749
1750         offset -= button.rect.GetWidth();
1751         right_buttons_width += button.rect.GetWidth();
1752     }
1753
1754
1755
1756     offset = 0;
1757
1758     // draw the buttons on the left side
1759
1760     for (i = 0; i < button_count; ++i)
1761     {
1762         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1763
1764         if (button.location != wxLEFT)
1765             continue;
1766         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1767             continue;
1768
1769         wxRect button_rect(offset, 1, 1000, m_rect.height);
1770
1771         m_art->DrawButton(dc,
1772                           wnd,
1773                           button_rect,
1774                           button.id,
1775                           button.cur_state,
1776                           wxLEFT,
1777                           &button.rect);
1778
1779         offset += button.rect.GetWidth();
1780         left_buttons_width += button.rect.GetWidth();
1781     }
1782
1783     offset = left_buttons_width;
1784
1785     if (offset == 0)
1786         offset += m_art->GetIndentSize();
1787
1788
1789     // prepare the tab-close-button array
1790     // make sure tab button entries which aren't used are marked as hidden
1791     for (i = page_count; i < m_tab_close_buttons.GetCount(); ++i)
1792         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1793
1794     // make sure there are enough tab button entries to accommodate all tabs
1795     while (m_tab_close_buttons.GetCount() < page_count)
1796     {
1797         wxAuiTabContainerButton tempbtn;
1798         tempbtn.id = wxAUI_BUTTON_CLOSE;
1799         tempbtn.location = wxCENTER;
1800         tempbtn.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1801         m_tab_close_buttons.Add(tempbtn);
1802     }
1803
1804
1805     // buttons before the tab offset must be set to hidden
1806     for (i = 0; i < m_tab_offset; ++i)
1807     {
1808         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1809     }
1810
1811
1812     // draw the tabs
1813
1814     size_t active = 999;
1815     int active_offset = 0;
1816     wxRect active_rect;
1817
1818     int x_extent = 0;
1819     wxRect rect = m_rect;
1820     rect.y = 0;
1821     rect.height = m_rect.height;
1822
1823     for (i = m_tab_offset; i < page_count; ++i)
1824     {
1825         wxAuiNotebookPage& page = m_pages.Item(i);
1826         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
1827
1828         // determine if a close button is on this tab
1829         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1830             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1831         {
1832             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
1833             {
1834                 tab_button.id = wxAUI_BUTTON_CLOSE;
1835                 tab_button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1836                 tab_button.location = wxCENTER;
1837             }
1838         }
1839         else
1840         {
1841             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1842         }
1843
1844         rect.x = offset;
1845         rect.width = m_rect.width - right_buttons_width - offset - 2;
1846
1847         if (rect.width <= 0)
1848             break;
1849
1850         m_art->DrawTab(dc,
1851                        wnd,
1852                        page,
1853                        rect,
1854                        tab_button.cur_state,
1855                        &page.rect,
1856                        &tab_button.rect,
1857                        &x_extent);
1858
1859         if (page.active)
1860         {
1861             active = i;
1862             active_offset = offset;
1863             active_rect = rect;
1864         }
1865
1866         offset += x_extent;
1867     }
1868
1869
1870     // make sure to deactivate buttons which are off the screen to the right
1871     for (++i; i < m_tab_close_buttons.GetCount(); ++i)
1872     {
1873         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1874     }
1875
1876
1877     // draw the active tab again so it stands in the foreground
1878     if (active >= m_tab_offset && active < m_pages.GetCount())
1879     {
1880         wxAuiNotebookPage& page = m_pages.Item(active);
1881
1882         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(active);
1883
1884         rect.x = active_offset;
1885         m_art->DrawTab(dc,
1886                        wnd,
1887                        page,
1888                        active_rect,
1889                        tab_button.cur_state,
1890                        &page.rect,
1891                        &tab_button.rect,
1892                        &x_extent);
1893     }
1894
1895
1896     raw_dc->Blit(m_rect.x, m_rect.y,
1897                  m_rect.GetWidth(), m_rect.GetHeight(),
1898                  &dc, 0, 0);
1899 }
1900
1901 // Is the tab visible?
1902 bool wxAuiTabContainer::IsTabVisible(int tabPage, int tabOffset, wxDC* dc, wxWindow* wnd)
1903 {
1904     if (!dc || !dc->IsOk())
1905         return false;
1906
1907     size_t i;
1908     size_t page_count = m_pages.GetCount();
1909     size_t button_count = m_buttons.GetCount();
1910
1911     // Hasn't been rendered yet; assume it's visible
1912     if (m_tab_close_buttons.GetCount() < page_count)
1913         return true;
1914
1915     // First check if both buttons are disabled - if so, there's no need to
1916     // check further for visibility.
1917     int arrowButtonVisibleCount = 0;
1918     for (i = 0; i < button_count; ++i)
1919     {
1920         wxAuiTabContainerButton& button = m_buttons.Item(i);
1921         if (button.id == wxAUI_BUTTON_LEFT ||
1922             button.id == wxAUI_BUTTON_RIGHT)
1923         {
1924             if ((button.cur_state & wxAUI_BUTTON_STATE_HIDDEN) == 0)
1925                 arrowButtonVisibleCount ++;
1926         }
1927     }
1928
1929     // Tab must be visible
1930     if (arrowButtonVisibleCount == 0)
1931         return true;
1932
1933     // If tab is less than the given offset, it must be invisible by definition
1934     if (tabPage < tabOffset)
1935         return false;
1936
1937     // draw buttons
1938     int left_buttons_width = 0;
1939     int right_buttons_width = 0;
1940
1941     int offset = 0;
1942
1943     // calculate size of the buttons on the right side
1944     offset = m_rect.x + m_rect.width;
1945     for (i = 0; i < button_count; ++i)
1946     {
1947         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1948
1949         if (button.location != wxRIGHT)
1950             continue;
1951         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1952             continue;
1953
1954         offset -= button.rect.GetWidth();
1955         right_buttons_width += button.rect.GetWidth();
1956     }
1957
1958     offset = 0;
1959
1960     // calculate size of the buttons on the left side
1961     for (i = 0; i < button_count; ++i)
1962     {
1963         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1964
1965         if (button.location != wxLEFT)
1966             continue;
1967         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1968             continue;
1969
1970         offset += button.rect.GetWidth();
1971         left_buttons_width += button.rect.GetWidth();
1972     }
1973
1974     offset = left_buttons_width;
1975
1976     if (offset == 0)
1977         offset += m_art->GetIndentSize();
1978
1979     wxRect active_rect;
1980
1981     wxRect rect = m_rect;
1982     rect.y = 0;
1983     rect.height = m_rect.height;
1984
1985     // See if the given page is visible at the given tab offset (effectively scroll position)
1986     for (i = tabOffset; i < page_count; ++i)
1987     {
1988         wxAuiNotebookPage& page = m_pages.Item(i);
1989         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
1990
1991         rect.x = offset;
1992         rect.width = m_rect.width - right_buttons_width - offset - 2;
1993
1994         if (rect.width <= 0)
1995             return false; // haven't found the tab, and we've run out of space, so return false
1996
1997         int x_extent = 0;
1998         wxSize size = m_art->GetTabSize(*dc,
1999                             wnd,
2000                             page.caption,
2001                             page.bitmap,
2002                             page.active,
2003                             tab_button.cur_state,
2004                             &x_extent);
2005
2006         offset += x_extent;
2007
2008         if (i == (size_t) tabPage)
2009         {
2010             // If not all of the tab is visible, and supposing there's space to display it all,
2011             // we could do better so we return false.
2012             if (((m_rect.width - right_buttons_width - offset - 2) <= 0) && ((m_rect.width - right_buttons_width - left_buttons_width) > x_extent))
2013                 return false;
2014             else
2015                 return true;
2016         }
2017     }
2018
2019     // Shouldn't really get here, but if it does, assume the tab is visible to prevent
2020     // further looping in calling code.
2021     return true;
2022 }
2023
2024 // Make the tab visible if it wasn't already
2025 void wxAuiTabContainer::MakeTabVisible(int tabPage, wxWindow* win)
2026 {
2027     wxClientDC dc(win);
2028     if (!IsTabVisible(tabPage, GetTabOffset(), & dc, win))
2029     {
2030         int i;
2031         for (i = 0; i < (int) m_pages.GetCount(); i++)
2032         {
2033             if (IsTabVisible(tabPage, i, & dc, win))
2034             {
2035                 SetTabOffset(i);
2036                 win->Refresh();
2037                 return;
2038             }
2039         }
2040     }
2041 }
2042
2043 // TabHitTest() tests if a tab was hit, passing the window pointer
2044 // back if that condition was fulfilled.  The function returns
2045 // true if a tab was hit, otherwise false
2046 bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
2047 {
2048     if (!m_rect.Contains(x,y))
2049         return false;
2050
2051     wxAuiTabContainerButton* btn = NULL;
2052     if (ButtonHitTest(x, y, &btn) && !(btn->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2053     {
2054         if (m_buttons.Index(*btn) != wxNOT_FOUND)
2055             return false;
2056     }
2057
2058     size_t i, page_count = m_pages.GetCount();
2059
2060     for (i = m_tab_offset; i < page_count; ++i)
2061     {
2062         wxAuiNotebookPage& page = m_pages.Item(i);
2063         if (page.rect.Contains(x,y))
2064         {
2065             if (hit)
2066                 *hit = page.window;
2067             return true;
2068         }
2069     }
2070
2071     return false;
2072 }
2073
2074 // ButtonHitTest() tests if a button was hit. The function returns
2075 // true if a button was hit, otherwise false
2076 bool wxAuiTabContainer::ButtonHitTest(int x, int y,
2077                                       wxAuiTabContainerButton** hit) const
2078 {
2079     if (!m_rect.Contains(x,y))
2080         return false;
2081
2082     size_t i, button_count;
2083
2084
2085     button_count = m_buttons.GetCount();
2086     for (i = 0; i < button_count; ++i)
2087     {
2088         wxAuiTabContainerButton& button = m_buttons.Item(i);
2089         if (button.rect.Contains(x,y) &&
2090             !(button.cur_state & wxAUI_BUTTON_STATE_HIDDEN ))
2091         {
2092             if (hit)
2093                 *hit = &button;
2094             return true;
2095         }
2096     }
2097
2098     button_count = m_tab_close_buttons.GetCount();
2099     for (i = 0; i < button_count; ++i)
2100     {
2101         wxAuiTabContainerButton& button = m_tab_close_buttons.Item(i);
2102         if (button.rect.Contains(x,y) &&
2103             !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
2104                                    wxAUI_BUTTON_STATE_DISABLED)))
2105         {
2106             if (hit)
2107                 *hit = &button;
2108             return true;
2109         }
2110     }
2111
2112     return false;
2113 }
2114
2115
2116
2117 // the utility function ShowWnd() is the same as show,
2118 // except it handles wxAuiMDIChildFrame windows as well,
2119 // as the Show() method on this class is "unplugged"
2120 static void ShowWnd(wxWindow* wnd, bool show)
2121 {
2122 #if wxUSE_MDI
2123     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2124     {
2125         wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
2126         cf->DoShow(show);
2127     }
2128     else
2129 #endif
2130     {
2131         wnd->Show(show);
2132     }
2133 }
2134
2135
2136 // DoShowHide() this function shows the active window, then
2137 // hides all of the other windows (in that order)
2138 void wxAuiTabContainer::DoShowHide()
2139 {
2140     wxAuiNotebookPageArray& pages = GetPages();
2141     size_t i, page_count = pages.GetCount();
2142
2143     // show new active page first
2144     for (i = 0; i < page_count; ++i)
2145     {
2146         wxAuiNotebookPage& page = pages.Item(i);
2147         if (page.active)
2148         {
2149             ShowWnd(page.window, true);
2150             break;
2151         }
2152     }
2153
2154     // hide all other pages
2155     for (i = 0; i < page_count; ++i)
2156     {
2157         wxAuiNotebookPage& page = pages.Item(i);
2158         if (!page.active)
2159             ShowWnd(page.window, false);
2160     }
2161 }
2162
2163
2164
2165
2166
2167
2168 // -- wxAuiTabCtrl class implementation --
2169
2170
2171
2172 BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
2173     EVT_PAINT(wxAuiTabCtrl::OnPaint)
2174     EVT_ERASE_BACKGROUND(wxAuiTabCtrl::OnEraseBackground)
2175     EVT_SIZE(wxAuiTabCtrl::OnSize)
2176     EVT_LEFT_DOWN(wxAuiTabCtrl::OnLeftDown)
2177     EVT_LEFT_DCLICK(wxAuiTabCtrl::OnLeftDClick)
2178     EVT_LEFT_UP(wxAuiTabCtrl::OnLeftUp)
2179     EVT_MIDDLE_DOWN(wxAuiTabCtrl::OnMiddleDown)
2180     EVT_MIDDLE_UP(wxAuiTabCtrl::OnMiddleUp)
2181     EVT_RIGHT_DOWN(wxAuiTabCtrl::OnRightDown)
2182     EVT_RIGHT_UP(wxAuiTabCtrl::OnRightUp)
2183     EVT_MOTION(wxAuiTabCtrl::OnMotion)
2184     EVT_LEAVE_WINDOW(wxAuiTabCtrl::OnLeaveWindow)
2185     EVT_AUINOTEBOOK_BUTTON(wxID_ANY, wxAuiTabCtrl::OnButton)
2186     EVT_SET_FOCUS(wxAuiTabCtrl::OnSetFocus)
2187     EVT_KILL_FOCUS(wxAuiTabCtrl::OnKillFocus)
2188     EVT_CHAR(wxAuiTabCtrl::OnChar)
2189     EVT_MOUSE_CAPTURE_LOST(wxAuiTabCtrl::OnCaptureLost)
2190 END_EVENT_TABLE()
2191
2192
2193 wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
2194                            wxWindowID id,
2195                            const wxPoint& pos,
2196                            const wxSize& size,
2197                            long style) : wxControl(parent, id, pos, size, style)
2198 {
2199     SetName(wxT("wxAuiTabCtrl"));
2200     m_click_pt = wxDefaultPosition;
2201     m_is_dragging = false;
2202     m_hover_button = NULL;
2203     m_pressed_button = NULL;
2204 }
2205
2206 wxAuiTabCtrl::~wxAuiTabCtrl()
2207 {
2208 }
2209
2210 void wxAuiTabCtrl::OnPaint(wxPaintEvent&)
2211 {
2212     wxPaintDC dc(this);
2213
2214     dc.SetFont(GetFont());
2215
2216     if (GetPageCount() > 0)
2217         Render(&dc, this);
2218 }
2219
2220 void wxAuiTabCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(evt))
2221 {
2222 }
2223
2224 void wxAuiTabCtrl::OnSize(wxSizeEvent& evt)
2225 {
2226     wxSize s = evt.GetSize();
2227     wxRect r(0, 0, s.GetWidth(), s.GetHeight());
2228     SetRect(r);
2229 }
2230
2231 void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
2232 {
2233     CaptureMouse();
2234     m_click_pt = wxDefaultPosition;
2235     m_is_dragging = false;
2236     m_click_tab = NULL;
2237     m_pressed_button = NULL;
2238
2239
2240     wxWindow* wnd;
2241     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
2242     {
2243         int new_selection = GetIdxFromWindow(wnd);
2244
2245         // wxAuiNotebooks always want to receive this event
2246         // even if the tab is already active, because they may
2247         // have multiple tab controls
2248         if (new_selection != GetActivePage() ||
2249             GetParent()->IsKindOf(CLASSINFO(wxAuiNotebook)))
2250         {
2251             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2252             e.SetSelection(new_selection);
2253             e.SetOldSelection(GetActivePage());
2254             e.SetEventObject(this);
2255             GetEventHandler()->ProcessEvent(e);
2256         }
2257
2258         m_click_pt.x = evt.m_x;
2259         m_click_pt.y = evt.m_y;
2260         m_click_tab = wnd;
2261     }
2262
2263     if (m_hover_button)
2264     {
2265         m_pressed_button = m_hover_button;
2266         m_pressed_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
2267         Refresh();
2268         Update();
2269     }
2270 }
2271
2272 void wxAuiTabCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
2273 {
2274 }
2275
2276 void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
2277 {
2278     if (GetCapture() == this)
2279         ReleaseMouse();
2280
2281     if (m_is_dragging)
2282     {
2283         m_is_dragging = false;
2284
2285         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
2286         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2287         evt.SetOldSelection(evt.GetSelection());
2288         evt.SetEventObject(this);
2289         GetEventHandler()->ProcessEvent(evt);
2290
2291         return;
2292     }
2293
2294     if (m_pressed_button)
2295     {
2296         // make sure we're still clicking the button
2297         wxAuiTabContainerButton* button = NULL;
2298         if (!ButtonHitTest(evt.m_x, evt.m_y, &button) ||
2299             button->cur_state & wxAUI_BUTTON_STATE_DISABLED)
2300             return;
2301
2302         if (button != m_pressed_button)
2303         {
2304             m_pressed_button = NULL;
2305             return;
2306         }
2307
2308         Refresh();
2309         Update();
2310
2311         if (!(m_pressed_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2312         {
2313             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
2314             evt.SetSelection(GetIdxFromWindow(m_click_tab));
2315             evt.SetInt(m_pressed_button->id);
2316             evt.SetEventObject(this);
2317             GetEventHandler()->ProcessEvent(evt);
2318         }
2319
2320         m_pressed_button = NULL;
2321     }
2322
2323     m_click_pt = wxDefaultPosition;
2324     m_is_dragging = false;
2325     m_click_tab = NULL;
2326 }
2327
2328 void wxAuiTabCtrl::OnMiddleUp(wxMouseEvent& evt)
2329 {
2330     wxWindow* wnd = NULL;
2331     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2332         return;
2333
2334     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
2335     e.SetEventObject(this);
2336     e.SetSelection(GetIdxFromWindow(wnd));
2337     GetEventHandler()->ProcessEvent(e);
2338 }
2339
2340 void wxAuiTabCtrl::OnMiddleDown(wxMouseEvent& evt)
2341 {
2342     wxWindow* wnd = NULL;
2343     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2344         return;
2345
2346     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
2347     e.SetEventObject(this);
2348     e.SetSelection(GetIdxFromWindow(wnd));
2349     GetEventHandler()->ProcessEvent(e);
2350 }
2351
2352 void wxAuiTabCtrl::OnRightUp(wxMouseEvent& evt)
2353 {
2354     wxWindow* wnd = NULL;
2355     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2356         return;
2357
2358     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
2359     e.SetEventObject(this);
2360     e.SetSelection(GetIdxFromWindow(wnd));
2361     GetEventHandler()->ProcessEvent(e);
2362 }
2363
2364 void wxAuiTabCtrl::OnRightDown(wxMouseEvent& evt)
2365 {
2366     wxWindow* wnd = NULL;
2367     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2368         return;
2369
2370     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
2371     e.SetEventObject(this);
2372     e.SetSelection(GetIdxFromWindow(wnd));
2373     GetEventHandler()->ProcessEvent(e);
2374 }
2375
2376 void wxAuiTabCtrl::OnLeftDClick(wxMouseEvent& evt)
2377 {
2378     wxWindow* wnd;
2379     wxAuiTabContainerButton* button;
2380     if (!TabHitTest(evt.m_x, evt.m_y, &wnd) && !ButtonHitTest(evt.m_x, evt.m_y, &button))
2381     {
2382         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
2383         e.SetEventObject(this);
2384         GetEventHandler()->ProcessEvent(e);
2385     }
2386 }
2387
2388 void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
2389 {
2390     wxPoint pos = evt.GetPosition();
2391
2392     // check if the mouse is hovering above a button
2393     wxAuiTabContainerButton* button;
2394     if (ButtonHitTest(pos.x, pos.y, &button) && !(button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2395     {
2396         if (m_hover_button && button != m_hover_button)
2397         {
2398             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2399             m_hover_button = NULL;
2400             Refresh();
2401             Update();
2402         }
2403
2404         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
2405         {
2406             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
2407             Refresh();
2408             Update();
2409             m_hover_button = button;
2410             return;
2411         }
2412     }
2413     else
2414     {
2415         if (m_hover_button)
2416         {
2417             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2418             m_hover_button = NULL;
2419             Refresh();
2420             Update();
2421         }
2422     }
2423
2424
2425     if (!evt.LeftIsDown() || m_click_pt == wxDefaultPosition)
2426         return;
2427
2428     if (m_is_dragging)
2429     {
2430         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, m_windowId);
2431         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2432         evt.SetOldSelection(evt.GetSelection());
2433         evt.SetEventObject(this);
2434         GetEventHandler()->ProcessEvent(evt);
2435         return;
2436     }
2437
2438
2439     int drag_x_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_X);
2440     int drag_y_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_Y);
2441
2442     if (abs(pos.x - m_click_pt.x) > drag_x_threshold ||
2443         abs(pos.y - m_click_pt.y) > drag_y_threshold)
2444     {
2445         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, m_windowId);
2446         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2447         evt.SetOldSelection(evt.GetSelection());
2448         evt.SetEventObject(this);
2449         GetEventHandler()->ProcessEvent(evt);
2450
2451         m_is_dragging = true;
2452     }
2453 }
2454
2455 void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
2456 {
2457     if (m_hover_button)
2458     {
2459         m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2460         m_hover_button = NULL;
2461         Refresh();
2462         Update();
2463     }
2464 }
2465
2466 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
2467 {
2468     int button = event.GetInt();
2469
2470     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
2471     {
2472         if (button == wxAUI_BUTTON_LEFT)
2473         {
2474             if (GetTabOffset() > 0)
2475             {
2476                 SetTabOffset(GetTabOffset()-1);
2477                 Refresh();
2478                 Update();
2479             }
2480         }
2481         else
2482         {
2483             SetTabOffset(GetTabOffset()+1);
2484             Refresh();
2485             Update();
2486         }
2487     }
2488     else if (button == wxAUI_BUTTON_WINDOWLIST)
2489     {
2490         int idx = GetArtProvider()->ShowDropDown(this, m_pages, GetActivePage());
2491
2492         if (idx != -1)
2493         {
2494             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2495             e.SetSelection(idx);
2496             e.SetOldSelection(GetActivePage());
2497             e.SetEventObject(this);
2498             GetEventHandler()->ProcessEvent(e);
2499         }
2500     }
2501     else
2502     {
2503         event.Skip();
2504     }
2505 }
2506
2507 void wxAuiTabCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
2508 {
2509     Refresh();
2510 }
2511
2512 void wxAuiTabCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
2513 {
2514     Refresh();
2515 }
2516
2517 void wxAuiTabCtrl::OnChar(wxKeyEvent& event)
2518 {
2519     if (GetActivePage() == -1)
2520     {
2521         event.Skip();
2522         return;
2523     }
2524
2525     // We can't leave tab processing to the system; on Windows, tabs and keys
2526     // get eaten by the system and not processed properly if we specify both
2527     // wxTAB_TRAVERSAL and wxWANTS_CHARS. And if we specify just wxTAB_TRAVERSAL,
2528     // we don't key arrow key events.
2529
2530     int key = event.GetKeyCode();
2531
2532     if (key == WXK_NUMPAD_PAGEUP)
2533         key = WXK_PAGEUP;
2534     if (key == WXK_NUMPAD_PAGEDOWN)
2535         key = WXK_PAGEDOWN;
2536     if (key == WXK_NUMPAD_HOME)
2537         key = WXK_HOME;
2538     if (key == WXK_NUMPAD_END)
2539         key = WXK_END;
2540     if (key == WXK_NUMPAD_LEFT)
2541         key = WXK_LEFT;
2542     if (key == WXK_NUMPAD_RIGHT)
2543         key = WXK_RIGHT;
2544
2545     if (key == WXK_TAB || key == WXK_PAGEUP || key == WXK_PAGEDOWN)
2546     {
2547         bool bCtrlDown = event.ControlDown();
2548         bool bShiftDown = event.ShiftDown();
2549
2550         bool bForward = (key == WXK_TAB && !bShiftDown) || (key == WXK_PAGEDOWN);
2551         bool bWindowChange = (key == WXK_PAGEUP) || (key == WXK_PAGEDOWN) || bCtrlDown;
2552         bool bFromTab = (key == WXK_TAB);
2553
2554         wxAuiNotebook* nb = wxDynamicCast(GetParent(), wxAuiNotebook);
2555         if (!nb)
2556         {
2557             event.Skip();
2558             return;
2559         }
2560
2561         wxNavigationKeyEvent keyEvent;
2562         keyEvent.SetDirection(bForward);
2563         keyEvent.SetWindowChange(bWindowChange);
2564         keyEvent.SetFromTab(bFromTab);
2565         keyEvent.SetEventObject(nb);
2566
2567         if (!nb->GetEventHandler()->ProcessEvent(keyEvent))
2568         {
2569             // Not processed? Do an explicit tab into the page.
2570             wxWindow* win = GetWindowFromIdx(GetActivePage());
2571             if (win)
2572                 win->SetFocus();
2573         }
2574         return;
2575     }
2576
2577     if (m_pages.GetCount() < 2)
2578     {
2579         event.Skip();
2580         return;
2581     }
2582
2583     int newPage = -1;
2584
2585     int forwardKey, backwardKey;
2586     if (GetLayoutDirection() == wxLayout_RightToLeft)
2587     {
2588         forwardKey = WXK_LEFT;
2589         backwardKey = WXK_RIGHT;
2590     }
2591     else
2592      {
2593         forwardKey = WXK_RIGHT;
2594         backwardKey = WXK_LEFT;
2595     }
2596
2597     if (key == forwardKey)
2598     {
2599         if (m_pages.GetCount() > 1)
2600         {
2601             if (GetActivePage() == -1)
2602                 newPage = 0;
2603             else if (GetActivePage() < (int) (m_pages.GetCount() - 1))
2604                 newPage = GetActivePage() + 1;
2605         }
2606     }
2607     else if (key == backwardKey)
2608     {
2609         if (m_pages.GetCount() > 1)
2610         {
2611             if (GetActivePage() == -1)
2612                 newPage = (int) (m_pages.GetCount() - 1);
2613             else if (GetActivePage() > 0)
2614                 newPage = GetActivePage() - 1;
2615         }
2616     }
2617     else if (key == WXK_HOME)
2618     {
2619         newPage = 0;
2620     }
2621     else if (key == WXK_END)
2622     {
2623         newPage = (int) (m_pages.GetCount() - 1);
2624     }
2625     else
2626         event.Skip();
2627
2628     if (newPage != -1)
2629     {
2630         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2631         e.SetSelection(newPage);
2632         e.SetOldSelection(newPage);
2633         e.SetEventObject(this);
2634         this->GetEventHandler()->ProcessEvent(e);
2635     }
2636     else
2637         event.Skip();
2638 }
2639
2640 // wxTabFrame is an interesting case.  It's important that all child pages
2641 // of the multi-notebook control are all actually children of that control
2642 // (and not grandchildren).  wxTabFrame facilitates this.  There is one
2643 // instance of wxTabFrame for each tab control inside the multi-notebook.
2644 // It's important to know that wxTabFrame is not a real window, but it merely
2645 // used to capture the dimensions/positioning of the internal tab control and
2646 // it's managed page windows
2647
2648 class wxTabFrame : public wxWindow
2649 {
2650 public:
2651
2652     wxTabFrame()
2653     {
2654         m_tabs = NULL;
2655         m_rect = wxRect(0,0,200,200);
2656         m_tab_ctrl_height = 20;
2657     }
2658
2659     ~wxTabFrame()
2660     {
2661         wxDELETE(m_tabs);
2662     }
2663
2664     void SetTabCtrlHeight(int h)
2665     {
2666         m_tab_ctrl_height = h;
2667     }
2668
2669 protected:
2670     void DoSetSize(int x, int y,
2671                    int width, int height,
2672                    int WXUNUSED(sizeFlags = wxSIZE_AUTO))
2673     {
2674         m_rect = wxRect(x, y, width, height);
2675         DoSizing();
2676     }
2677
2678     void DoGetClientSize(int* x, int* y) const
2679     {
2680         *x = m_rect.width;
2681         *y = m_rect.height;
2682     }
2683
2684 public:
2685     bool Show( bool WXUNUSED(show = true) ) { return false; }
2686
2687     void DoSizing()
2688     {
2689         if (!m_tabs)
2690             return;
2691
2692         if (m_tabs->IsFrozen() || m_tabs->GetParent()->IsFrozen())
2693             return;
2694
2695         m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2696         if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
2697         {
2698             m_tab_rect = wxRect (m_rect.x, m_rect.y + m_rect.height - m_tab_ctrl_height, m_rect.width, m_tab_ctrl_height);
2699             m_tabs->SetSize     (m_rect.x, m_rect.y + m_rect.height - m_tab_ctrl_height, m_rect.width, m_tab_ctrl_height);
2700             m_tabs->SetRect     (wxRect(0, 0, m_rect.width, m_tab_ctrl_height));
2701         }
2702         else //TODO: if (GetFlags() & wxAUI_NB_TOP)
2703         {
2704             m_tab_rect = wxRect (m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2705             m_tabs->SetSize     (m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2706             m_tabs->SetRect     (wxRect(0, 0,        m_rect.width, m_tab_ctrl_height));
2707         }
2708         // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
2709         // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
2710
2711         m_tabs->Refresh();
2712         m_tabs->Update();
2713
2714         wxAuiNotebookPageArray& pages = m_tabs->GetPages();
2715         size_t i, page_count = pages.GetCount();
2716
2717         for (i = 0; i < page_count; ++i)
2718         {
2719             int height = m_rect.height - m_tab_ctrl_height;
2720             if ( height < 0 )
2721             {
2722                 // avoid passing negative height to wxWindow::SetSize(), this
2723                 // results in assert failures/GTK+ warnings
2724                 height = 0;
2725             }
2726
2727             wxAuiNotebookPage& page = pages.Item(i);
2728             if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
2729             {
2730                 page.window->SetSize(m_rect.x, m_rect.y, m_rect.width, height);
2731             }
2732             else //TODO: if (GetFlags() & wxAUI_NB_TOP)
2733             {
2734                 page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
2735                                      m_rect.width, height);
2736             }
2737             // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
2738             // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
2739
2740 #if wxUSE_MDI
2741             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2742             {
2743                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
2744                 wnd->ApplyMDIChildFrameRect();
2745             }
2746 #endif
2747         }
2748     }
2749
2750 protected:
2751     void DoGetSize(int* x, int* y) const
2752     {
2753         if (x)
2754             *x = m_rect.GetWidth();
2755         if (y)
2756             *y = m_rect.GetHeight();
2757     }
2758
2759 public:
2760     void Update()
2761     {
2762         // does nothing
2763     }
2764
2765     wxRect m_rect;
2766     wxRect m_tab_rect;
2767     wxAuiTabCtrl* m_tabs;
2768     int m_tab_ctrl_height;
2769 };
2770
2771
2772 const int wxAuiBaseTabCtrlId = 5380;
2773
2774
2775 // -- wxAuiNotebook class implementation --
2776
2777 #define EVT_AUI_RANGE(id1, id2, event, func) \
2778     wx__DECLARE_EVT2(event, id1, id2, wxAuiNotebookEventHandler(func))
2779
2780 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
2781     EVT_SIZE(wxAuiNotebook::OnSize)
2782     EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocusNotebook)
2783     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2784                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
2785                       wxAuiNotebook::OnTabClicked)
2786     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2787                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
2788                       wxAuiNotebook::OnTabBeginDrag)
2789     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2790                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
2791                       wxAuiNotebook::OnTabEndDrag)
2792     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2793                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
2794                       wxAuiNotebook::OnTabDragMotion)
2795     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2796                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
2797                       wxAuiNotebook::OnTabButton)
2798     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2799                       wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN,
2800                       wxAuiNotebook::OnTabMiddleDown)
2801     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2802                       wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP,
2803                       wxAuiNotebook::OnTabMiddleUp)
2804     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2805                       wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN,
2806                       wxAuiNotebook::OnTabRightDown)
2807     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2808                       wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP,
2809                       wxAuiNotebook::OnTabRightUp)
2810     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2811                       wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK,
2812                       wxAuiNotebook::OnTabBgDClick)
2813     EVT_NAVIGATION_KEY(wxAuiNotebook::OnNavigationKeyNotebook)
2814
2815 #ifdef wxHAS_NATIVE_TAB_TRAVERSAL
2816     WX_EVENT_TABLE_CONTROL_CONTAINER(wxAuiNotebook)
2817 #else
2818     // Avoid clash with container event handler functions
2819     EVT_SET_FOCUS(wxAuiNotebook::OnFocus)
2820 #endif
2821 END_EVENT_TABLE()
2822
2823 WX_DELEGATE_TO_CONTROL_CONTAINER(wxAuiNotebook, wxControl)
2824
2825 wxAuiNotebook::wxAuiNotebook()
2826 {
2827     m_curpage = -1;
2828     m_tab_id_counter = wxAuiBaseTabCtrlId;
2829     m_dummy_wnd = NULL;
2830     m_tab_ctrl_height = 20;
2831     m_requested_bmp_size = wxDefaultSize;
2832     m_requested_tabctrl_height = -1;
2833 }
2834
2835 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
2836                              wxWindowID id,
2837                              const wxPoint& pos,
2838                              const wxSize& size,
2839                              long style) : wxControl(parent, id, pos, size, style)
2840 {
2841     m_dummy_wnd = NULL;
2842     m_requested_bmp_size = wxDefaultSize;
2843     m_requested_tabctrl_height = -1;
2844     InitNotebook(style);
2845 }
2846
2847 bool wxAuiNotebook::Create(wxWindow* parent,
2848                            wxWindowID id,
2849                            const wxPoint& pos,
2850                            const wxSize& size,
2851                            long style)
2852 {
2853     if (!wxControl::Create(parent, id, pos, size, style))
2854         return false;
2855
2856     InitNotebook(style);
2857
2858     return true;
2859 }
2860
2861 // InitNotebook() contains common initialization
2862 // code called by all constructors
2863 void wxAuiNotebook::InitNotebook(long style)
2864 {
2865     WX_INIT_CONTROL_CONTAINER();
2866     // SetCanFocus(false);
2867
2868     SetName(wxT("wxAuiNotebook"));
2869     m_curpage = -1;
2870     m_tab_id_counter = wxAuiBaseTabCtrlId;
2871     m_dummy_wnd = NULL;
2872     m_flags = (unsigned int)style;
2873     m_tab_ctrl_height = 20;
2874
2875     m_normal_font = *wxNORMAL_FONT;
2876     m_selected_font = *wxNORMAL_FONT;
2877     m_selected_font.SetWeight(wxBOLD);
2878
2879     SetArtProvider(new wxAuiDefaultTabArt);
2880
2881     m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
2882     m_dummy_wnd->SetSize(200, 200);
2883     m_dummy_wnd->Show(false);
2884
2885     m_mgr.SetManagedWindow(this);
2886     m_mgr.SetFlags(wxAUI_MGR_DEFAULT);
2887     m_mgr.SetDockSizeConstraint(1.0, 1.0); // no dock size constraint
2888
2889     m_mgr.AddPane(m_dummy_wnd,
2890               wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
2891
2892     m_mgr.Update();
2893 }
2894
2895 wxAuiNotebook::~wxAuiNotebook()
2896 {
2897     // Indicate we're deleting pages
2898     SendDestroyEvent();
2899
2900     while ( GetPageCount() > 0 )
2901         DeletePage(0);
2902
2903     m_mgr.UnInit();
2904 }
2905
2906 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
2907 {
2908     m_tabs.SetArtProvider(art);
2909
2910     // Update the height and do nothing else if it did something but otherwise
2911     // (i.e. if the new art provider uses the same height as the old one) we
2912     // need to manually set the art provider for all tabs ourselves.
2913     if ( !UpdateTabCtrlHeight() )
2914     {
2915         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2916         const size_t pane_count = all_panes.GetCount();
2917         for (size_t i = 0; i < pane_count; ++i)
2918         {
2919             wxAuiPaneInfo& pane = all_panes.Item(i);
2920             if (pane.name == wxT("dummy"))
2921                 continue;
2922             wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2923             wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2924             tabctrl->SetArtProvider(art->Clone());
2925         }
2926     }
2927 }
2928
2929 // SetTabCtrlHeight() is the highest-level override of the
2930 // tab height.  A call to this function effectively enforces a
2931 // specified tab ctrl height, overriding all other considerations,
2932 // such as text or bitmap height.  It overrides any call to
2933 // SetUniformBitmapSize().  Specifying a height of -1 reverts
2934 // any previous call and returns to the default behavior
2935
2936 void wxAuiNotebook::SetTabCtrlHeight(int height)
2937 {
2938     m_requested_tabctrl_height = height;
2939
2940     // if window is already initialized, recalculate the tab height
2941     if (m_dummy_wnd)
2942     {
2943         UpdateTabCtrlHeight();
2944     }
2945 }
2946
2947
2948 // SetUniformBitmapSize() ensures that all tabs will have
2949 // the same height, even if some tabs don't have bitmaps
2950 // Passing wxDefaultSize to this function will instruct
2951 // the control to use dynamic tab height-- so when a tab
2952 // with a large bitmap is added, the tab ctrl's height will
2953 // automatically increase to accommodate the bitmap
2954
2955 void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
2956 {
2957     m_requested_bmp_size = size;
2958
2959     // if window is already initialized, recalculate the tab height
2960     if (m_dummy_wnd)
2961     {
2962         UpdateTabCtrlHeight();
2963     }
2964 }
2965
2966 // UpdateTabCtrlHeight() does the actual tab resizing. It's meant
2967 // to be used internally
2968 bool wxAuiNotebook::UpdateTabCtrlHeight()
2969 {
2970     // get the tab ctrl height we will use
2971     int height = CalculateTabCtrlHeight();
2972
2973     // if the tab control height needs to change, update
2974     // all of our tab controls with the new height
2975     if (m_tab_ctrl_height == height)
2976         return false;
2977
2978     wxAuiTabArt* art = m_tabs.GetArtProvider();
2979
2980     m_tab_ctrl_height = height;
2981
2982     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2983     size_t i, pane_count = all_panes.GetCount();
2984     for (i = 0; i < pane_count; ++i)
2985     {
2986         wxAuiPaneInfo& pane = all_panes.Item(i);
2987         if (pane.name == wxT("dummy"))
2988             continue;
2989         wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2990         wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2991         tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
2992         tabctrl->SetArtProvider(art->Clone());
2993         tab_frame->DoSizing();
2994     }
2995
2996     return true;
2997 }
2998
2999 void wxAuiNotebook::UpdateHintWindowSize()
3000 {
3001     wxSize size = CalculateNewSplitSize();
3002
3003     // the placeholder hint window should be set to this size
3004     wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
3005     if (info.IsOk())
3006     {
3007         info.MinSize(size);
3008         info.BestSize(size);
3009         m_dummy_wnd->SetSize(size);
3010     }
3011 }
3012
3013
3014 // calculates the size of the new split
3015 wxSize wxAuiNotebook::CalculateNewSplitSize()
3016 {
3017     // count number of tab controls
3018     int tab_ctrl_count = 0;
3019     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3020     size_t i, pane_count = all_panes.GetCount();
3021     for (i = 0; i < pane_count; ++i)
3022     {
3023         wxAuiPaneInfo& pane = all_panes.Item(i);
3024         if (pane.name == wxT("dummy"))
3025             continue;
3026         tab_ctrl_count++;
3027     }
3028
3029     wxSize new_split_size;
3030
3031     // if there is only one tab control, the first split
3032     // should happen around the middle
3033     if (tab_ctrl_count < 2)
3034     {
3035         new_split_size = GetClientSize();
3036         new_split_size.x /= 2;
3037         new_split_size.y /= 2;
3038     }
3039     else
3040     {
3041         // this is in place of a more complicated calculation
3042         // that needs to be implemented
3043         new_split_size = wxSize(180,180);
3044     }
3045
3046     return new_split_size;
3047 }
3048
3049 int wxAuiNotebook::CalculateTabCtrlHeight()
3050 {
3051     // if a fixed tab ctrl height is specified,
3052     // just return that instead of calculating a
3053     // tab height
3054     if (m_requested_tabctrl_height != -1)
3055         return m_requested_tabctrl_height;
3056
3057     // find out new best tab height
3058     wxAuiTabArt* art = m_tabs.GetArtProvider();
3059
3060     return art->GetBestTabCtrlSize(this,
3061                                    m_tabs.GetPages(),
3062                                    m_requested_bmp_size);
3063 }
3064
3065
3066 wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
3067 {
3068     return m_tabs.GetArtProvider();
3069 }
3070
3071 void wxAuiNotebook::SetWindowStyleFlag(long style)
3072 {
3073     wxControl::SetWindowStyleFlag(style);
3074
3075     m_flags = (unsigned int)style;
3076
3077     // if the control is already initialized
3078     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
3079     {
3080         // let all of the tab children know about the new style
3081
3082         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3083         size_t i, pane_count = all_panes.GetCount();
3084         for (i = 0; i < pane_count; ++i)
3085         {
3086             wxAuiPaneInfo& pane = all_panes.Item(i);
3087             if (pane.name == wxT("dummy"))
3088                 continue;
3089             wxTabFrame* tabframe = (wxTabFrame*)pane.window;
3090             wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
3091             tabctrl->SetFlags(m_flags);
3092             tabframe->DoSizing();
3093             tabctrl->Refresh();
3094             tabctrl->Update();
3095         }
3096     }
3097 }
3098
3099
3100 bool wxAuiNotebook::AddPage(wxWindow* page,
3101                             const wxString& caption,
3102                             bool select,
3103                             const wxBitmap& bitmap)
3104 {
3105     return InsertPage(GetPageCount(), page, caption, select, bitmap);
3106 }
3107
3108 bool wxAuiNotebook::InsertPage(size_t page_idx,
3109                                wxWindow* page,
3110                                const wxString& caption,
3111                                bool select,
3112                                const wxBitmap& bitmap)
3113 {
3114     wxASSERT_MSG(page, wxT("page pointer must be non-NULL"));
3115     if (!page)
3116         return false;
3117
3118     page->Reparent(this);
3119
3120     wxAuiNotebookPage info;
3121     info.window = page;
3122     info.caption = caption;
3123     info.bitmap = bitmap;
3124     info.active = false;
3125
3126     // if there are currently no tabs, the first added
3127     // tab must be active
3128     if (m_tabs.GetPageCount() == 0)
3129         info.active = true;
3130
3131     m_tabs.InsertPage(page, info, page_idx);
3132
3133     // if that was the first page added, even if
3134     // select is false, it must become the "current page"
3135     // (though no select events will be fired)
3136     if (!select && m_tabs.GetPageCount() == 1)
3137         select = true;
3138         //m_curpage = GetPageIndex(page);
3139
3140     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
3141     if (page_idx >= active_tabctrl->GetPageCount())
3142         active_tabctrl->AddPage(page, info);
3143     else
3144         active_tabctrl->InsertPage(page, info, page_idx);
3145
3146     UpdateTabCtrlHeight();
3147     DoSizing();
3148     active_tabctrl->DoShowHide();
3149
3150     // adjust selected index
3151     if(m_curpage >= (int) page_idx)
3152         m_curpage++;
3153
3154     if (select)
3155     {
3156         SetSelectionToWindow(page);
3157     }
3158
3159     return true;
3160 }
3161
3162
3163 // DeletePage() removes a tab from the multi-notebook,
3164 // and destroys the window as well
3165 bool wxAuiNotebook::DeletePage(size_t page_idx)
3166 {
3167     if (page_idx >= m_tabs.GetPageCount())
3168         return false;
3169
3170     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3171
3172     // hide the window in advance, as this will
3173     // prevent flicker
3174     ShowWnd(wnd, false);
3175
3176     if (!RemovePage(page_idx))
3177         return false;
3178
3179 #if wxUSE_MDI
3180     // actually destroy the window now
3181     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
3182     {
3183         // delete the child frame with pending delete, as is
3184         // customary with frame windows
3185         if (!wxPendingDelete.Member(wnd))
3186             wxPendingDelete.Append(wnd);
3187     }
3188     else
3189 #endif
3190     {
3191         wnd->Destroy();
3192     }
3193
3194     return true;
3195 }
3196
3197
3198
3199 // RemovePage() removes a tab from the multi-notebook,
3200 // but does not destroy the window
3201 bool wxAuiNotebook::RemovePage(size_t page_idx)
3202 {
3203     // save active window pointer
3204     wxWindow* active_wnd = NULL;
3205     if (m_curpage >= 0)
3206         active_wnd = m_tabs.GetWindowFromIdx(m_curpage);
3207
3208     // save pointer of window being deleted
3209     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3210     wxWindow* new_active = NULL;
3211
3212     // make sure we found the page
3213     if (!wnd)
3214         return false;
3215
3216     // find out which onscreen tab ctrl owns this tab
3217     wxAuiTabCtrl* ctrl;
3218     int ctrl_idx;
3219     if (!FindTab(wnd, &ctrl, &ctrl_idx))
3220         return false;
3221
3222     bool is_curpage = (m_curpage == (int)page_idx);
3223     bool is_active_in_split = ctrl->GetPage(ctrl_idx).active;
3224
3225
3226     // remove the tab from main catalog
3227     if (!m_tabs.RemovePage(wnd))
3228         return false;
3229
3230     // remove the tab from the onscreen tab ctrl
3231     ctrl->RemovePage(wnd);
3232
3233     if (is_active_in_split)
3234     {
3235         int ctrl_new_page_count = (int)ctrl->GetPageCount();
3236
3237         if (ctrl_idx >= ctrl_new_page_count)
3238             ctrl_idx = ctrl_new_page_count-1;
3239
3240         if (ctrl_idx >= 0 && ctrl_idx < (int)ctrl->GetPageCount())
3241         {
3242             // set new page as active in the tab split
3243             ctrl->SetActivePage(ctrl_idx);
3244
3245             // if the page deleted was the current page for the
3246             // entire tab control, then record the window
3247             // pointer of the new active page for activation
3248             if (is_curpage)
3249             {
3250                 new_active = ctrl->GetWindowFromIdx(ctrl_idx);
3251             }
3252         }
3253     }
3254     else
3255     {
3256         // we are not deleting the active page, so keep it the same
3257         new_active = active_wnd;
3258     }
3259
3260
3261     if (!new_active)
3262     {
3263         // we haven't yet found a new page to active,
3264         // so select the next page from the main tab
3265         // catalogue
3266
3267         if (page_idx < m_tabs.GetPageCount())
3268         {
3269             new_active = m_tabs.GetPage(page_idx).window;
3270         }
3271
3272         if (!new_active && m_tabs.GetPageCount() > 0)
3273         {
3274             new_active = m_tabs.GetPage(0).window;
3275         }
3276     }
3277
3278
3279     RemoveEmptyTabFrames();
3280
3281     m_curpage = wxNOT_FOUND;
3282
3283     // set new active pane unless we're being destroyed anyhow
3284     if (new_active && !m_isBeingDeleted)
3285         SetSelectionToWindow(new_active);
3286
3287     return true;
3288 }
3289
3290 // GetPageIndex() returns the index of the page, or -1 if the
3291 // page could not be located in the notebook
3292 int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
3293 {
3294     return m_tabs.GetIdxFromWindow(page_wnd);
3295 }
3296
3297
3298
3299 // SetPageText() changes the tab caption of the specified page
3300 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
3301 {
3302     if (page_idx >= m_tabs.GetPageCount())
3303         return false;
3304
3305     // update our own tab catalog
3306     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3307     page_info.caption = text;
3308
3309     // update what's on screen
3310     wxAuiTabCtrl* ctrl;
3311     int ctrl_idx;
3312     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3313     {
3314         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3315         info.caption = text;
3316         ctrl->Refresh();
3317         ctrl->Update();
3318     }
3319
3320     return true;
3321 }
3322
3323 // returns the page caption
3324 wxString wxAuiNotebook::GetPageText(size_t page_idx) const
3325 {
3326     if (page_idx >= m_tabs.GetPageCount())
3327         return wxEmptyString;
3328
3329     // update our own tab catalog
3330     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3331     return page_info.caption;
3332 }
3333
3334 bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
3335 {
3336     if (page_idx >= m_tabs.GetPageCount())
3337         return false;
3338
3339     // update our own tab catalog
3340     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3341     page_info.bitmap = bitmap;
3342
3343     // tab height might have changed
3344     UpdateTabCtrlHeight();
3345
3346     // update what's on screen
3347     wxAuiTabCtrl* ctrl;
3348     int ctrl_idx;
3349     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3350     {
3351         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3352         info.bitmap = bitmap;
3353         ctrl->Refresh();
3354         ctrl->Update();
3355     }
3356
3357     return true;
3358 }
3359
3360 // returns the page bitmap
3361 wxBitmap wxAuiNotebook::GetPageBitmap(size_t page_idx) const
3362 {
3363     if (page_idx >= m_tabs.GetPageCount())
3364         return wxBitmap();
3365
3366     // update our own tab catalog
3367     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3368     return page_info.bitmap;
3369 }
3370
3371 // GetSelection() returns the index of the currently active page
3372 int wxAuiNotebook::GetSelection() const
3373 {
3374     return m_curpage;
3375 }
3376
3377 // SetSelection() sets the currently active page
3378 size_t wxAuiNotebook::SetSelection(size_t new_page)
3379 {
3380     wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
3381     if (!wnd)
3382         return m_curpage;
3383
3384     // don't change the page unless necessary;
3385     // however, clicking again on a tab should give it the focus.
3386     if ((int)new_page == m_curpage)
3387     {
3388         wxAuiTabCtrl* ctrl;
3389         int ctrl_idx;
3390         if (FindTab(wnd, &ctrl, &ctrl_idx))
3391         {
3392             if (FindFocus() != ctrl)
3393                 ctrl->SetFocus();
3394         }
3395         return m_curpage;
3396     }
3397
3398     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
3399     evt.SetSelection(new_page);
3400     evt.SetOldSelection(m_curpage);
3401     evt.SetEventObject(this);
3402     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
3403     {
3404         int old_curpage = m_curpage;
3405         m_curpage = new_page;
3406
3407         // program allows the page change
3408         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
3409         (void)GetEventHandler()->ProcessEvent(evt);
3410
3411
3412         wxAuiTabCtrl* ctrl;
3413         int ctrl_idx;
3414         if (FindTab(wnd, &ctrl, &ctrl_idx))
3415         {
3416             m_tabs.SetActivePage(wnd);
3417
3418             ctrl->SetActivePage(ctrl_idx);
3419             DoSizing();
3420             ctrl->DoShowHide();
3421
3422             ctrl->MakeTabVisible(ctrl_idx, ctrl);
3423
3424             // set fonts
3425             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3426             size_t i, pane_count = all_panes.GetCount();
3427             for (i = 0; i < pane_count; ++i)
3428             {
3429                 wxAuiPaneInfo& pane = all_panes.Item(i);
3430                 if (pane.name == wxT("dummy"))
3431                     continue;
3432                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
3433                 if (tabctrl != ctrl)
3434                     tabctrl->SetSelectedFont(m_normal_font);
3435                 else
3436                     tabctrl->SetSelectedFont(m_selected_font);
3437                 tabctrl->Refresh();
3438             }
3439
3440             // Set the focus to the page if we're not currently focused on the tab.
3441             // This is Firefox-like behaviour.
3442             if (wnd->IsShownOnScreen() && FindFocus() != ctrl)
3443                 wnd->SetFocus();
3444
3445             return old_curpage;
3446         }
3447     }
3448
3449     return m_curpage;
3450 }
3451
3452 void wxAuiNotebook::SetSelectionToWindow(wxWindow *win)
3453 {
3454     const int idx = m_tabs.GetIdxFromWindow(win);
3455     wxCHECK_RET( idx != wxNOT_FOUND, wxT("invalid notebook page") );
3456
3457
3458     // since a tab was clicked, let the parent know that we received
3459     // the focus, even if we will assign that focus immediately
3460     // to the child tab in the SetSelection call below
3461     // (the child focus event will also let wxAuiManager, if any,
3462     // know that the notebook control has been activated)
3463
3464     wxWindow* parent = GetParent();
3465     if (parent)
3466     {
3467         wxChildFocusEvent eventFocus(this);
3468         parent->GetEventHandler()->ProcessEvent(eventFocus);
3469     }
3470
3471
3472     SetSelection(idx);
3473 }
3474
3475 // GetPageCount() returns the total number of
3476 // pages managed by the multi-notebook
3477 size_t wxAuiNotebook::GetPageCount() const
3478 {
3479     return m_tabs.GetPageCount();
3480 }
3481
3482 // GetPage() returns the wxWindow pointer of the
3483 // specified page
3484 wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
3485 {
3486     wxASSERT(page_idx < m_tabs.GetPageCount());
3487
3488     return m_tabs.GetWindowFromIdx(page_idx);
3489 }
3490
3491 // DoSizing() performs all sizing operations in each tab control
3492 void wxAuiNotebook::DoSizing()
3493 {
3494     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3495     size_t i, pane_count = all_panes.GetCount();
3496     for (i = 0; i < pane_count; ++i)
3497     {
3498         if (all_panes.Item(i).name == wxT("dummy"))
3499             continue;
3500
3501         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3502         tabframe->DoSizing();
3503     }
3504 }
3505
3506 // GetActiveTabCtrl() returns the active tab control.  It is
3507 // called to determine which control gets new windows being added
3508 wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
3509 {
3510     if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
3511     {
3512         wxAuiTabCtrl* ctrl;
3513         int idx;
3514
3515         // find the tab ctrl with the current page
3516         if (FindTab(m_tabs.GetPage(m_curpage).window,
3517                     &ctrl, &idx))
3518         {
3519             return ctrl;
3520         }
3521     }
3522
3523     // no current page, just find the first tab ctrl
3524     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3525     size_t i, pane_count = all_panes.GetCount();
3526     for (i = 0; i < pane_count; ++i)
3527     {
3528         if (all_panes.Item(i).name == wxT("dummy"))
3529             continue;
3530
3531         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3532         return tabframe->m_tabs;
3533     }
3534
3535     // If there is no tabframe at all, create one
3536     wxTabFrame* tabframe = new wxTabFrame;
3537     tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
3538     tabframe->m_tabs = new wxAuiTabCtrl(this,
3539                                         m_tab_id_counter++,
3540                                         wxDefaultPosition,
3541                                         wxDefaultSize,
3542                                         wxNO_BORDER|wxWANTS_CHARS);
3543     tabframe->m_tabs->SetFlags(m_flags);
3544     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3545     m_mgr.AddPane(tabframe,
3546                   wxAuiPaneInfo().Center().CaptionVisible(false));
3547
3548     m_mgr.Update();
3549
3550     return tabframe->m_tabs;
3551 }
3552
3553 // FindTab() finds the tab control that currently contains the window as well
3554 // as the index of the window in the tab control.  It returns true if the
3555 // window was found, otherwise false.
3556 bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
3557 {
3558     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3559     size_t i, pane_count = all_panes.GetCount();
3560     for (i = 0; i < pane_count; ++i)
3561     {
3562         if (all_panes.Item(i).name == wxT("dummy"))
3563             continue;
3564
3565         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3566
3567         int page_idx = tabframe->m_tabs->GetIdxFromWindow(page);
3568         if (page_idx != -1)
3569         {
3570             *ctrl = tabframe->m_tabs;
3571             *idx = page_idx;
3572             return true;
3573         }
3574     }
3575
3576     return false;
3577 }
3578
3579 void wxAuiNotebook::Split(size_t page, int direction)
3580 {
3581     wxSize cli_size = GetClientSize();
3582
3583     // get the page's window pointer
3584     wxWindow* wnd = GetPage(page);
3585     if (!wnd)
3586         return;
3587
3588     // notebooks with 1 or less pages can't be split
3589     if (GetPageCount() < 2)
3590         return;
3591
3592     // find out which tab control the page currently belongs to
3593     wxAuiTabCtrl *src_tabs, *dest_tabs;
3594     int src_idx = -1;
3595     src_tabs = NULL;
3596     if (!FindTab(wnd, &src_tabs, &src_idx))
3597         return;
3598     if (!src_tabs || src_idx == -1)
3599         return;
3600
3601     // choose a split size
3602     wxSize split_size;
3603     if (GetPageCount() > 2)
3604     {
3605         split_size = CalculateNewSplitSize();
3606     }
3607     else
3608     {
3609         // because there are two panes, always split them
3610         // equally
3611         split_size = GetClientSize();
3612         split_size.x /= 2;
3613         split_size.y /= 2;
3614     }
3615
3616
3617     // create a new tab frame
3618     wxTabFrame* new_tabs = new wxTabFrame;
3619     new_tabs->m_rect = wxRect(wxPoint(0,0), split_size);
3620     new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3621     new_tabs->m_tabs = new wxAuiTabCtrl(this,
3622                                         m_tab_id_counter++,
3623                                         wxDefaultPosition,
3624                                         wxDefaultSize,
3625                                         wxNO_BORDER|wxWANTS_CHARS);
3626     new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3627     new_tabs->m_tabs->SetFlags(m_flags);
3628     dest_tabs = new_tabs->m_tabs;
3629
3630     // create a pane info structure with the information
3631     // about where the pane should be added
3632     wxAuiPaneInfo pane_info = wxAuiPaneInfo().Bottom().CaptionVisible(false);
3633     wxPoint mouse_pt;
3634
3635     if (direction == wxLEFT)
3636     {
3637         pane_info.Left();
3638         mouse_pt = wxPoint(0, cli_size.y/2);
3639     }
3640     else if (direction == wxRIGHT)
3641     {
3642         pane_info.Right();
3643         mouse_pt = wxPoint(cli_size.x, cli_size.y/2);
3644     }
3645     else if (direction == wxTOP)
3646     {
3647         pane_info.Top();
3648         mouse_pt = wxPoint(cli_size.x/2, 0);
3649     }
3650     else if (direction == wxBOTTOM)
3651     {
3652         pane_info.Bottom();
3653         mouse_pt = wxPoint(cli_size.x/2, cli_size.y);
3654     }
3655
3656     m_mgr.AddPane(new_tabs, pane_info, mouse_pt);
3657     m_mgr.Update();
3658
3659     // remove the page from the source tabs
3660     wxAuiNotebookPage page_info = src_tabs->GetPage(src_idx);
3661     page_info.active = false;
3662     src_tabs->RemovePage(page_info.window);
3663     if (src_tabs->GetPageCount() > 0)
3664     {
3665         src_tabs->SetActivePage((size_t)0);
3666         src_tabs->DoShowHide();
3667         src_tabs->Refresh();
3668     }
3669
3670
3671     // add the page to the destination tabs
3672     dest_tabs->InsertPage(page_info.window, page_info, 0);
3673
3674     if (src_tabs->GetPageCount() == 0)
3675     {
3676         RemoveEmptyTabFrames();
3677     }
3678
3679     DoSizing();
3680     dest_tabs->DoShowHide();
3681     dest_tabs->Refresh();
3682
3683     // force the set selection function reset the selection
3684     m_curpage = -1;
3685
3686     // set the active page to the one we just split off
3687     SetSelectionToPage(page_info);
3688
3689     UpdateHintWindowSize();
3690 }
3691
3692
3693 void wxAuiNotebook::OnSize(wxSizeEvent& evt)
3694 {
3695     UpdateHintWindowSize();
3696
3697     evt.Skip();
3698 }
3699
3700 void wxAuiNotebook::OnTabClicked(wxAuiNotebookEvent& evt)
3701 {
3702     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
3703     wxASSERT(ctrl != NULL);
3704
3705     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
3706     wxASSERT(wnd != NULL);
3707
3708     SetSelectionToWindow(wnd);
3709 }
3710
3711 void wxAuiNotebook::OnTabBgDClick(wxAuiNotebookEvent& WXUNUSED(evt))
3712 {
3713     // notify owner that the tabbar background has been double-clicked
3714     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
3715     e.SetEventObject(this);
3716     GetEventHandler()->ProcessEvent(e);
3717 }
3718
3719 void wxAuiNotebook::OnTabBeginDrag(wxAuiNotebookEvent&)
3720 {
3721     m_last_drag_x = 0;
3722 }
3723
3724 void wxAuiNotebook::OnTabDragMotion(wxAuiNotebookEvent& evt)
3725 {
3726     wxPoint screen_pt = ::wxGetMousePosition();
3727     wxPoint client_pt = ScreenToClient(screen_pt);
3728     wxPoint zero(0,0);
3729
3730     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3731     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
3732
3733     if (dest_tabs == src_tabs)
3734     {
3735         if (src_tabs)
3736         {
3737             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3738         }
3739
3740         // always hide the hint for inner-tabctrl drag
3741         m_mgr.HideHint();
3742
3743         // if tab moving is not allowed, leave
3744         if (!(m_flags & wxAUI_NB_TAB_MOVE))
3745         {
3746             return;
3747         }
3748
3749         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
3750         wxWindow* dest_location_tab;
3751
3752         // this is an inner-tab drag/reposition
3753         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
3754         {
3755             int src_idx = evt.GetSelection();
3756             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
3757
3758             // prevent jumpy drag
3759             if ((src_idx == dest_idx) || dest_idx == -1 ||
3760                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
3761                 (src_idx < dest_idx && m_last_drag_x >= pt.x))
3762             {
3763                 m_last_drag_x = pt.x;
3764                 return;
3765             }
3766
3767
3768             wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
3769             dest_tabs->MovePage(src_tab, dest_idx);
3770             dest_tabs->SetActivePage((size_t)dest_idx);
3771             dest_tabs->DoShowHide();
3772             dest_tabs->Refresh();
3773             m_last_drag_x = pt.x;
3774
3775         }
3776
3777         return;
3778     }
3779
3780
3781     // if external drag is allowed, check if the tab is being dragged
3782     // over a different wxAuiNotebook control
3783     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3784     {
3785         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
3786
3787         // if we aren't over any window, stop here
3788         if (!tab_ctrl)
3789             return;
3790
3791         // make sure we are not over the hint window
3792         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
3793         {
3794             while (tab_ctrl)
3795             {
3796                 if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3797                     break;
3798                 tab_ctrl = tab_ctrl->GetParent();
3799             }
3800
3801             if (tab_ctrl)
3802             {
3803                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3804
3805                 if (nb != this)
3806                 {
3807                     wxRect hint_rect = tab_ctrl->GetClientRect();
3808                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
3809                     m_mgr.ShowHint(hint_rect);
3810                     return;
3811                 }
3812             }
3813         }
3814         else
3815         {
3816             if (!dest_tabs)
3817             {
3818                 // we are either over a hint window, or not over a tab
3819                 // window, and there is no where to drag to, so exit
3820                 return;
3821             }
3822         }
3823     }
3824
3825
3826     // if there are less than two panes, split can't happen, so leave
3827     if (m_tabs.GetPageCount() < 2)
3828         return;
3829
3830     // if tab moving is not allowed, leave
3831     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
3832         return;
3833
3834
3835     if (src_tabs)
3836     {
3837         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
3838     }
3839
3840
3841     if (dest_tabs)
3842     {
3843         wxRect hint_rect = dest_tabs->GetRect();
3844         ClientToScreen(&hint_rect.x, &hint_rect.y);
3845         m_mgr.ShowHint(hint_rect);
3846     }
3847     else
3848     {
3849         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
3850     }
3851 }
3852
3853
3854
3855 void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
3856 {
3857     m_mgr.HideHint();
3858
3859
3860     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3861     wxCHECK_RET( src_tabs, wxT("no source object?") );
3862
3863     src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3864
3865     // get the mouse position, which will be used to determine the drop point
3866     wxPoint mouse_screen_pt = ::wxGetMousePosition();
3867     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
3868
3869
3870
3871     // check for an external move
3872     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3873     {
3874         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
3875
3876         while (tab_ctrl)
3877         {
3878             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3879                 break;
3880             tab_ctrl = tab_ctrl->GetParent();
3881         }
3882
3883         if (tab_ctrl)
3884         {
3885             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3886
3887             if (nb != this)
3888             {
3889                 // find out from the destination control
3890                 // if it's ok to drop this tab here
3891                 wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
3892                 e.SetSelection(evt.GetSelection());
3893                 e.SetOldSelection(evt.GetSelection());
3894                 e.SetEventObject(this);
3895                 e.SetDragSource(this);
3896                 e.Veto(); // dropping must be explicitly approved by control owner
3897
3898                 nb->GetEventHandler()->ProcessEvent(e);
3899
3900                 if (!e.IsAllowed())
3901                 {
3902                     // no answer or negative answer
3903                     m_mgr.HideHint();
3904                     return;
3905                 }
3906
3907                 // drop was allowed
3908                 int src_idx = evt.GetSelection();
3909                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
3910
3911                 // Check that it's not an impossible parent relationship
3912                 wxWindow* p = nb;
3913                 while (p && !p->IsTopLevel())
3914                 {
3915                     if (p == src_page)
3916                     {
3917                         return;
3918                     }
3919                     p = p->GetParent();
3920                 }
3921
3922                 // get main index of the page
3923                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
3924                 wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no source page?") );
3925
3926
3927                 // make a copy of the page info
3928                 wxAuiNotebookPage page_info = m_tabs.GetPage(main_idx);
3929
3930                 // remove the page from the source notebook
3931                 RemovePage(main_idx);
3932
3933                 // reparent the page
3934                 src_page->Reparent(nb);
3935
3936
3937                 // found out the insert idx
3938                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
3939                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3940
3941                 wxWindow* target = NULL;
3942                 int insert_idx = -1;
3943                 dest_tabs->TabHitTest(pt.x, pt.y, &target);
3944                 if (target)
3945                 {
3946                     insert_idx = dest_tabs->GetIdxFromWindow(target);
3947                 }
3948
3949
3950                 // add the page to the new notebook
3951                 if (insert_idx == -1)
3952                     insert_idx = dest_tabs->GetPageCount();
3953                 dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3954                 nb->m_tabs.AddPage(page_info.window, page_info);
3955
3956                 nb->DoSizing();
3957                 dest_tabs->DoShowHide();
3958                 dest_tabs->Refresh();
3959
3960                 // set the selection in the destination tab control
3961                 nb->SetSelectionToPage(page_info);
3962
3963                 // notify owner that the tab has been dragged
3964                 wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
3965                 e2.SetSelection(evt.GetSelection());
3966                 e2.SetOldSelection(evt.GetSelection());
3967                 e2.SetEventObject(this);
3968                 GetEventHandler()->ProcessEvent(e2);
3969
3970                 return;
3971             }
3972         }
3973     }
3974
3975
3976
3977
3978     // only perform a tab split if it's allowed
3979     wxAuiTabCtrl* dest_tabs = NULL;
3980
3981     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
3982     {
3983         // If the pointer is in an existing tab frame, do a tab insert
3984         wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
3985         wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
3986         int insert_idx = -1;
3987         if (tab_frame)
3988         {
3989             dest_tabs = tab_frame->m_tabs;
3990
3991             if (dest_tabs == src_tabs)
3992                 return;
3993
3994
3995             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3996             wxWindow* target = NULL;
3997             dest_tabs->TabHitTest(pt.x, pt.y, &target);
3998             if (target)
3999             {
4000                 insert_idx = dest_tabs->GetIdxFromWindow(target);
4001             }
4002         }
4003         else
4004         {
4005             wxPoint zero(0,0);
4006             wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
4007                                                   mouse_client_pt,
4008                                                   zero);
4009             if (rect.IsEmpty())
4010             {
4011                 // there is no suitable drop location here, exit out
4012                 return;
4013             }
4014
4015             // If there is no tabframe at all, create one
4016             wxTabFrame* new_tabs = new wxTabFrame;
4017             new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
4018             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
4019             new_tabs->m_tabs = new wxAuiTabCtrl(this,
4020                                                 m_tab_id_counter++,
4021                                                 wxDefaultPosition,
4022                                                 wxDefaultSize,
4023                                                 wxNO_BORDER|wxWANTS_CHARS);
4024             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
4025             new_tabs->m_tabs->SetFlags(m_flags);
4026
4027             m_mgr.AddPane(new_tabs,
4028                           wxAuiPaneInfo().Bottom().CaptionVisible(false),
4029                           mouse_client_pt);
4030             m_mgr.Update();
4031             dest_tabs = new_tabs->m_tabs;
4032         }
4033
4034
4035
4036         // remove the page from the source tabs
4037         wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
4038         page_info.active = false;
4039         src_tabs->RemovePage(page_info.window);
4040         if (src_tabs->GetPageCount() > 0)
4041         {
4042             src_tabs->SetActivePage((size_t)0);
4043             src_tabs->DoShowHide();
4044             src_tabs->Refresh();
4045         }
4046
4047
4048
4049         // add the page to the destination tabs
4050         if (insert_idx == -1)
4051             insert_idx = dest_tabs->GetPageCount();
4052         dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
4053
4054         if (src_tabs->GetPageCount() == 0)
4055         {
4056             RemoveEmptyTabFrames();
4057         }
4058
4059         DoSizing();
4060         dest_tabs->DoShowHide();
4061         dest_tabs->Refresh();
4062
4063         // force the set selection function reset the selection
4064         m_curpage = -1;
4065
4066         // set the active page to the one we just split off
4067         SetSelectionToPage(page_info);
4068
4069         UpdateHintWindowSize();
4070     }
4071
4072     // notify owner that the tab has been dragged
4073     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
4074     e.SetSelection(evt.GetSelection());
4075     e.SetOldSelection(evt.GetSelection());
4076     e.SetEventObject(this);
4077     GetEventHandler()->ProcessEvent(e);
4078 }
4079
4080
4081
4082 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
4083 {
4084     // if we've just removed the last tab from the source
4085     // tab set, the remove the tab control completely
4086     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4087     size_t i, pane_count = all_panes.GetCount();
4088     for (i = 0; i < pane_count; ++i)
4089     {
4090         if (all_panes.Item(i).name == wxT("dummy"))
4091             continue;
4092
4093         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4094         if (tabframe->m_tab_rect.Contains(pt))
4095             return tabframe->m_tabs;
4096     }
4097
4098     return NULL;
4099 }
4100
4101 wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
4102 {
4103     // if we've just removed the last tab from the source
4104     // tab set, the remove the tab control completely
4105     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4106     size_t i, pane_count = all_panes.GetCount();
4107     for (i = 0; i < pane_count; ++i)
4108     {
4109         if (all_panes.Item(i).name == wxT("dummy"))
4110             continue;
4111
4112         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4113         if (tabframe->m_tabs == tab_ctrl)
4114         {
4115             return tabframe;
4116         }
4117     }
4118
4119     return NULL;
4120 }
4121
4122 void wxAuiNotebook::RemoveEmptyTabFrames()
4123 {
4124     // if we've just removed the last tab from the source
4125     // tab set, the remove the tab control completely
4126     wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
4127     size_t i, pane_count = all_panes.GetCount();
4128     for (i = 0; i < pane_count; ++i)
4129     {
4130         if (all_panes.Item(i).name == wxT("dummy"))
4131             continue;
4132
4133         wxTabFrame* tab_frame = (wxTabFrame*)all_panes.Item(i).window;
4134         if (tab_frame->m_tabs->GetPageCount() == 0)
4135         {
4136             m_mgr.DetachPane(tab_frame);
4137
4138             // use pending delete because sometimes during
4139             // window closing, refreshs are pending
4140             if (!wxPendingDelete.Member(tab_frame->m_tabs))
4141                 wxPendingDelete.Append(tab_frame->m_tabs);
4142
4143             tab_frame->m_tabs = NULL;
4144
4145             delete tab_frame;
4146         }
4147     }
4148
4149
4150     // check to see if there is still a center pane;
4151     // if there isn't, make a frame the center pane
4152     wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
4153     pane_count = panes.GetCount();
4154     wxWindow* first_good = NULL;
4155     bool center_found = false;
4156     for (i = 0; i < pane_count; ++i)
4157     {
4158         if (panes.Item(i).name == wxT("dummy"))
4159             continue;
4160         if (panes.Item(i).dock_direction == wxAUI_DOCK_CENTRE)
4161             center_found = true;
4162         if (!first_good)
4163             first_good = panes.Item(i).window;
4164     }
4165
4166     if (!center_found && first_good)
4167     {
4168         m_mgr.GetPane(first_good).Centre();
4169     }
4170
4171     if (!m_isBeingDeleted)
4172         m_mgr.Update();
4173 }
4174
4175 void wxAuiNotebook::OnChildFocusNotebook(wxChildFocusEvent& evt)
4176 {
4177     evt.Skip();
4178
4179     // if we're dragging a tab, don't change the current selection.
4180     // This code prevents a bug that used to happen when the hint window
4181     // was hidden.  In the bug, the focus would return to the notebook
4182     // child, which would then enter this handler and call
4183     // SetSelection, which is not desired turn tab dragging.
4184
4185     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4186     size_t i, pane_count = all_panes.GetCount();
4187     for (i = 0; i < pane_count; ++i)
4188     {
4189         wxAuiPaneInfo& pane = all_panes.Item(i);
4190         if (pane.name == wxT("dummy"))
4191             continue;
4192         wxTabFrame* tabframe = (wxTabFrame*)pane.window;
4193         if (tabframe->m_tabs->IsDragging())
4194             return;
4195     }
4196
4197
4198     // change the tab selection to the child
4199     // which was focused
4200     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
4201     if (idx != -1 && idx != m_curpage)
4202     {
4203         SetSelection(idx);
4204     }
4205 }
4206
4207 void wxAuiNotebook::OnNavigationKeyNotebook(wxNavigationKeyEvent& event)
4208 {
4209     if ( event.IsWindowChange() ) {
4210         // change pages
4211         // FIXME: the problem with this is that if we have a split notebook,
4212         // we selection may go all over the place.
4213         AdvanceSelection(event.GetDirection());
4214     }
4215     else {
4216         // we get this event in 3 cases
4217         //
4218         // a) one of our pages might have generated it because the user TABbed
4219         // out from it in which case we should propagate the event upwards and
4220         // our parent will take care of setting the focus to prev/next sibling
4221         //
4222         // or
4223         //
4224         // b) the parent panel wants to give the focus to us so that we
4225         // forward it to our selected page. We can't deal with this in
4226         // OnSetFocus() because we don't know which direction the focus came
4227         // from in this case and so can't choose between setting the focus to
4228         // first or last panel child
4229         //
4230         // or
4231         //
4232         // c) we ourselves (see MSWTranslateMessage) generated the event
4233         //
4234         wxWindow * const parent = GetParent();
4235
4236         // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
4237         const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
4238         const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
4239
4240         if ( isFromParent || isFromSelf )
4241         {
4242             // no, it doesn't come from child, case (b) or (c): forward to a
4243             // page but only if direction is backwards (TAB) or from ourselves,
4244             if ( GetSelection() != wxNOT_FOUND &&
4245                     (!event.GetDirection() || isFromSelf) )
4246             {
4247                 // so that the page knows that the event comes from it's parent
4248                 // and is being propagated downwards
4249                 event.SetEventObject(this);
4250
4251                 wxWindow *page = GetPage(GetSelection());
4252                 if ( !page->GetEventHandler()->ProcessEvent(event) )
4253                 {
4254                     page->SetFocus();
4255                 }
4256                 //else: page manages focus inside it itself
4257             }
4258             else // otherwise set the focus to the notebook itself
4259             {
4260                 SetFocus();
4261             }
4262         }
4263         else
4264         {
4265             // it comes from our child, case (a), pass to the parent, but only
4266             // if the direction is forwards. Otherwise set the focus to the
4267             // notebook itself. The notebook is always the 'first' control of a
4268             // page.
4269             if ( !event.GetDirection() )
4270             {
4271                 SetFocus();
4272             }
4273             else if ( parent )
4274             {
4275                 event.SetCurrentFocus(this);
4276                 parent->GetEventHandler()->ProcessEvent(event);
4277             }
4278         }
4279     }
4280 }
4281
4282 void wxAuiNotebook::OnTabButton(wxAuiNotebookEvent& evt)
4283 {
4284     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4285
4286     int button_id = evt.GetInt();
4287
4288     if (button_id == wxAUI_BUTTON_CLOSE)
4289     {
4290         int selection = evt.GetSelection();
4291
4292         if (selection == -1)
4293         {
4294             // if the close button is to the right, use the active
4295             // page selection to determine which page to close
4296             selection = tabs->GetActivePage();
4297         }
4298
4299         if (selection != -1)
4300         {
4301             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
4302
4303             // ask owner if it's ok to close the tab
4304             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
4305             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
4306             const int idx = m_tabs.GetIdxFromWindow(close_wnd);
4307             e.SetSelection(idx);
4308             e.SetOldSelection(evt.GetSelection());
4309             e.SetEventObject(this);
4310             GetEventHandler()->ProcessEvent(e);
4311             if (!e.IsAllowed())
4312                 return;
4313
4314
4315 #if wxUSE_MDI
4316             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
4317             {
4318                 close_wnd->Close();
4319             }
4320             else
4321 #endif
4322             {
4323                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
4324                 wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no page to delete?") );
4325
4326                 DeletePage(main_idx);
4327             }
4328
4329             // notify owner that the tab has been closed
4330             wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, m_windowId);
4331             e2.SetSelection(idx);
4332             e2.SetEventObject(this);
4333             GetEventHandler()->ProcessEvent(e2);
4334         }
4335     }
4336 }
4337
4338
4339 void wxAuiNotebook::OnTabMiddleDown(wxAuiNotebookEvent& evt)
4340 {
4341     // patch event through to owner
4342     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4343     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4344
4345     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
4346     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4347     e.SetEventObject(this);
4348     GetEventHandler()->ProcessEvent(e);
4349 }
4350
4351 void wxAuiNotebook::OnTabMiddleUp(wxAuiNotebookEvent& evt)
4352 {
4353     // if the wxAUI_NB_MIDDLE_CLICK_CLOSE is specified, middle
4354     // click should act like a tab close action.  However, first
4355     // give the owner an opportunity to handle the middle up event
4356     // for custom action
4357
4358     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4359     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4360
4361     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
4362     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4363     e.SetEventObject(this);
4364     if (GetEventHandler()->ProcessEvent(e))
4365         return;
4366     if (!e.IsAllowed())
4367         return;
4368
4369     // check if we are supposed to close on middle-up
4370     if ((m_flags & wxAUI_NB_MIDDLE_CLICK_CLOSE) == 0)
4371         return;
4372
4373     // simulate the user pressing the close button on the tab
4374     evt.SetInt(wxAUI_BUTTON_CLOSE);
4375     OnTabButton(evt);
4376 }
4377
4378 void wxAuiNotebook::OnTabRightDown(wxAuiNotebookEvent& evt)
4379 {
4380     // patch event through to owner
4381     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4382     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4383
4384     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
4385     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4386     e.SetEventObject(this);
4387     GetEventHandler()->ProcessEvent(e);
4388 }
4389
4390 void wxAuiNotebook::OnTabRightUp(wxAuiNotebookEvent& evt)
4391 {
4392     // patch event through to owner
4393     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4394     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4395
4396     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
4397     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4398     e.SetEventObject(this);
4399     GetEventHandler()->ProcessEvent(e);
4400 }
4401
4402 // Sets the normal font
4403 void wxAuiNotebook::SetNormalFont(const wxFont& font)
4404 {
4405     m_normal_font = font;
4406     GetArtProvider()->SetNormalFont(font);
4407 }
4408
4409 // Sets the selected tab font
4410 void wxAuiNotebook::SetSelectedFont(const wxFont& font)
4411 {
4412     m_selected_font = font;
4413     GetArtProvider()->SetSelectedFont(font);
4414 }
4415
4416 // Sets the measuring font
4417 void wxAuiNotebook::SetMeasuringFont(const wxFont& font)
4418 {
4419     GetArtProvider()->SetMeasuringFont(font);
4420 }
4421
4422 // Sets the tab font
4423 bool wxAuiNotebook::SetFont(const wxFont& font)
4424 {
4425     wxControl::SetFont(font);
4426
4427     wxFont normalFont(font);
4428     wxFont selectedFont(normalFont);
4429     selectedFont.SetWeight(wxBOLD);
4430
4431     SetNormalFont(normalFont);
4432     SetSelectedFont(selectedFont);
4433     SetMeasuringFont(selectedFont);
4434
4435     return true;
4436 }
4437
4438 // Gets the tab control height
4439 int wxAuiNotebook::GetTabCtrlHeight() const
4440 {
4441     return m_tab_ctrl_height;
4442 }
4443
4444 // Gets the height of the notebook for a given page height
4445 int wxAuiNotebook::GetHeightForPageHeight(int pageHeight)
4446 {
4447     UpdateTabCtrlHeight();
4448
4449     int tabCtrlHeight = GetTabCtrlHeight();
4450     int decorHeight = 2;
4451     return tabCtrlHeight + pageHeight + decorHeight;
4452 }
4453
4454 // Advances the selection, generation page selection events
4455 void wxAuiNotebook::AdvanceSelection(bool forward)
4456 {
4457     if (GetPageCount() <= 1)
4458         return;
4459
4460     int currentSelection = GetSelection();
4461
4462     if (forward)
4463     {
4464         if (currentSelection == (int) (GetPageCount() - 1))
4465             return;
4466         else if (currentSelection == -1)
4467             currentSelection = 0;
4468         else
4469             currentSelection ++;
4470     }
4471     else
4472     {
4473         if (currentSelection <= 0)
4474             return;
4475         else
4476             currentSelection --;
4477     }
4478
4479     SetSelection(currentSelection);
4480 }
4481
4482 // Shows the window menu
4483 bool wxAuiNotebook::ShowWindowMenu()
4484 {
4485     wxAuiTabCtrl* tabCtrl = GetActiveTabCtrl();
4486
4487     int idx = tabCtrl->GetArtProvider()->ShowDropDown(tabCtrl, tabCtrl->GetPages(), tabCtrl->GetActivePage());
4488
4489     if (idx != -1)
4490     {
4491         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, tabCtrl->GetId());
4492         e.SetSelection(idx);
4493         e.SetOldSelection(tabCtrl->GetActivePage());
4494         e.SetEventObject(tabCtrl);
4495         GetEventHandler()->ProcessEvent(e);
4496
4497         return true;
4498     }
4499     else
4500         return false;
4501 }
4502
4503 void wxAuiNotebook::Thaw()
4504 {
4505     DoSizing();
4506
4507     wxControl::Thaw();
4508 }
4509
4510 #endif // wxUSE_AUI