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