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 #endif
  29
  30 #include "wx/aui/tabmdi.h"
  31 #include "wx/dcbuffer.h"
  32 #include "wx/menu.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
  51
  52 IMPLEMENT_CLASS(wxAuiNotebook, wxControl)
  53 IMPLEMENT_CLASS(wxAuiTabCtrl, wxControl)
  54 IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxEvent)
  55
  56
  57
  58
  59
  60 // these functions live in dockart.cpp -- they'll eventually
  61 // be moved to a new utility cpp file
  62
  63 wxColor wxAuiStepColour(const wxColor& c, int percent);
  64
  65 wxBitmap wxAuiBitmapFromBits(const unsigned char bits[], int w, int h,
  66                              const wxColour& color);
  67
  68 wxString wxAuiChopText(wxDC& dc, const wxString& text, int max_size);
  69
  70 static void DrawButtons(wxDC& dc,
  71                         const wxRect& _rect,
  72                         const wxBitmap& bmp,
  73                         const wxColour& bkcolour,
  74                         int button_state)
  75 {
  76     wxRect rect = _rect;
  77
  78     if (button_state == wxAUI_BUTTON_STATE_PRESSED)
  79     {
  80         rect.x++;
  81         rect.y++;
  82     }
  83
  84     if (button_state == wxAUI_BUTTON_STATE_HOVER ||
  85         button_state == wxAUI_BUTTON_STATE_PRESSED)
  86     {
  87         dc.SetBrush(wxBrush(wxAuiStepColour(bkcolour, 120)));
  88         dc.SetPen(wxPen(wxAuiStepColour(bkcolour, 75)));
  89
  90         // draw the background behind the button
  91         dc.DrawRectangle(rect.x, rect.y, 15, 15);
  92     }
  93
  94     // draw the button itself
  95     dc.DrawBitmap(bmp, rect.x, rect.y, true);
  96 }
  97
  98 static void IndentPressedBitmap(wxRect* rect, int button_state)
  99 {
 100     if (button_state == wxAUI_BUTTON_STATE_PRESSED)
 101     {
 102         rect->x++;
 103         rect->y++;
 104     }
 105 }
 106
 107
 108
 109 // -- GUI helper classes and functions --
 110
 111 class wxAuiCommandCapture : public wxEvtHandler
 112 {
 113 public:
 114
 115     wxAuiCommandCapture() { m_last_id = 0; }
 116     int GetCommandId() const { return m_last_id; }
 117
 118     bool ProcessEvent(wxEvent& evt)
 119     {
 120         if (evt.GetEventType() == wxEVT_COMMAND_MENU_SELECTED)
 121         {
 122             m_last_id = evt.GetId();
 123             return true;
 124         }
 125
 126         if (GetNextHandler())
 127             return GetNextHandler()->ProcessEvent(evt);
 128
 129         return false;
 130     }
 131
 132 private:
 133     int m_last_id;
 134 };
 135
 136
 137 // -- bitmaps --
 138
 139 #if defined( __WXMAC__ )
 140  static unsigned char close_bits[]={
 141      0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0xFE, 0x03, 0xF8, 0x01, 0xF0, 0x19, 0xF3,
 142      0xB8, 0xE3, 0xF0, 0xE1, 0xE0, 0xE0, 0xF0, 0xE1, 0xB8, 0xE3, 0x19, 0xF3,
 143      0x01, 0xF0, 0x03, 0xF8, 0x0F, 0xFE, 0xFF, 0xFF };
 144 #elif defined( __WXGTK__)
 145  static unsigned char close_bits[]={
 146      0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8,
 147      0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef,
 148      0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 149 #else
 150  static unsigned char close_bits[]={
 151      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xf3, 0xcf, 0xf9,
 152      0x9f, 0xfc, 0x3f, 0xfe, 0x3f, 0xfe, 0x9f, 0xfc, 0xcf, 0xf9, 0xe7, 0xf3,
 153      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 154 #endif
 155
 156 static unsigned char left_bits[] = {
 157    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xfe, 0x3f, 0xfe,
 158    0x1f, 0xfe, 0x0f, 0xfe, 0x1f, 0xfe, 0x3f, 0xfe, 0x7f, 0xfe, 0xff, 0xfe,
 159    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 160
 161 static unsigned char right_bits[] = {
 162    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xff, 0x9f, 0xff, 0x1f, 0xff,
 163    0x1f, 0xfe, 0x1f, 0xfc, 0x1f, 0xfe, 0x1f, 0xff, 0x9f, 0xff, 0xdf, 0xff,
 164    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 165
 166 static unsigned char list_bits[] = {
 167    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 168    0x0f, 0xf8, 0xff, 0xff, 0x0f, 0xf8, 0x1f, 0xfc, 0x3f, 0xfe, 0x7f, 0xff,
 169    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 170
 171
 172
 173
 174
 175
 176 // -- wxAuiDefaultTabArt class implementation --
 177
 178 wxAuiDefaultTabArt::wxAuiDefaultTabArt()
 179 {
 180     m_normal_font = *wxNORMAL_FONT;
 181     m_selected_font = *wxNORMAL_FONT;
 182     m_selected_font.SetWeight(wxBOLD);
 183     m_measuring_font = m_selected_font;
 184
 185     m_fixed_tab_width = 100;
 186     m_tab_ctrl_height = 0;
 187
 188 #ifdef __WXMAC__
 189     wxBrush toolbarbrush;
 190     toolbarbrush.MacSetTheme( kThemeBrushToolbarBackground );
 191     wxColor base_colour = toolbarbrush.GetColour();
 192 #else
 193     wxColor base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 194 #endif
 195
 196     m_base_colour = base_colour;
 197     wxColor border_colour = wxAuiStepColour(base_colour, 75);
 198
 199     m_border_pen = wxPen(border_colour);
 200     m_base_colour_pen = wxPen(m_base_colour);
 201     m_base_colour_brush = wxBrush(m_base_colour);
 202
 203     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 204     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 205
 206     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 207     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 208
 209     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 210     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 211
 212     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 213     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 214
 215     m_flags = 0;
 216 }
 217
 218 wxAuiDefaultTabArt::~wxAuiDefaultTabArt()
 219 {
 220 }
 221
 222 wxAuiTabArt* wxAuiDefaultTabArt::Clone()
 223 {
 224     return static_cast<wxAuiTabArt*>(new wxAuiDefaultTabArt);
 225 }
 226
 227 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
 228 {
 229     m_flags = flags;
 230 }
 231
 232 void wxAuiDefaultTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 233                                        size_t tab_count)
 234 {
 235     m_fixed_tab_width = 100;
 236
 237     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 238
 239     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 240         tot_width -= m_active_close_bmp.GetWidth();
 241     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 242         tot_width -= m_active_windowlist_bmp.GetWidth();
 243
 244     if (tab_count > 0)
 245     {
 246         m_fixed_tab_width = tot_width/(int)tab_count;
 247     }
 248
 249
 250     if (m_fixed_tab_width < 100)
 251         m_fixed_tab_width = 100;
 252
 253     if (m_fixed_tab_width > tot_width/2)
 254         m_fixed_tab_width = tot_width/2;
 255
 256     if (m_fixed_tab_width > 220)
 257         m_fixed_tab_width = 220;
 258
 259     m_tab_ctrl_height = tab_ctrl_size.y;
 260 }
 261
 262
 263 void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
 264                                         wxWindow* WXUNUSED(wnd),
 265                                         const wxRect& rect)
 266 {
 267     // draw background
 268     wxRect r(rect.x, rect.y, rect.width+2, rect.height-3);
 269     wxColor top_color = wxAuiStepColour(m_base_colour, 90);
 270     wxColor bottom_color = wxAuiStepColour(m_base_colour, 170);
 271     dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 272
 273     // draw base lines
 274     int y = rect.GetHeight();
 275     int w = rect.GetWidth();
 276     dc.SetPen(m_border_pen);
 277     dc.SetBrush(m_base_colour_brush);
 278     dc.DrawRectangle(-1, y-4, w+2, 4);
 279 }
 280
 281
 282 // DrawTab() draws an individual tab.
 283 //
 284 // dc       - output dc
 285 // in_rect  - rectangle the tab should be confined to
 286 // caption  - tab's caption
 287 // active   - whether or not the tab is active
 288 // out_rect - actual output rectangle
 289 // x_extent - the advance x; where the next tab should start
 290
 291 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
 292                                  wxWindow* wnd,
 293                                  const wxRect& in_rect,
 294                                  const wxString& caption_text,
 295                                  const wxBitmap& bitmap,
 296                                  bool active,
 297                                  int close_button_state,
 298                                  wxRect* out_tab_rect,
 299                                  wxRect* out_button_rect,
 300                                  int* x_extent)
 301 {
 302     wxCoord normal_textx, normal_texty;
 303     wxCoord selected_textx, selected_texty;
 304     wxCoord textx, texty;
 305
 306     // if the caption is empty, measure some temporary text
 307     wxString caption = caption_text;
 308     if (caption_text.empty())
 309         caption = wxT("Xj");
 310
 311     dc.SetFont(m_selected_font);
 312     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 313
 314     dc.SetFont(m_normal_font);
 315     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 316
 317     // figure out the size of the tab
 318     wxSize tab_size = GetTabSize(dc,
 319                                  wnd,
 320                                  caption,
 321                                  bitmap,
 322                                  active,
 323                                  close_button_state,
 324                                  x_extent);
 325
 326     wxCoord tab_height = m_tab_ctrl_height - 3;
 327     wxCoord tab_width = tab_size.x;
 328     wxCoord tab_x = in_rect.x;
 329     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 330
 331
 332     caption = caption_text;
 333
 334
 335     // select pen, brush and font for the tab to be drawn
 336
 337     if (active)
 338     {
 339         dc.SetFont(m_selected_font);
 340         textx = selected_textx;
 341         texty = selected_texty;
 342     }
 343      else
 344     {
 345         dc.SetFont(m_normal_font);
 346         textx = normal_textx;
 347         texty = normal_texty;
 348     }
 349
 350
 351     // create points that will make the tab outline
 352
 353     int clip_width = tab_width;
 354     if (tab_x + clip_width > in_rect.x + in_rect.width)
 355         clip_width = (in_rect.x + in_rect.width) - tab_x;
 356
 357 /*
 358     wxPoint clip_points[6];
 359     clip_points[0] = wxPoint(tab_x,              tab_y+tab_height-3);
 360     clip_points[1] = wxPoint(tab_x,              tab_y+2);
 361     clip_points[2] = wxPoint(tab_x+2,            tab_y);
 362     clip_points[3] = wxPoint(tab_x+clip_width-1, tab_y);
 363     clip_points[4] = wxPoint(tab_x+clip_width+1, tab_y+2);
 364     clip_points[5] = wxPoint(tab_x+clip_width+1, tab_y+tab_height-3);
 365
 366     // FIXME: these ports don't provide wxRegion ctor from array of points
 367 #if !defined(__WXDFB__) && !defined(__WXCOCOA__)
 368     // set the clipping region for the tab --
 369     wxRegion clipping_region(WXSIZEOF(clip_points), clip_points);
 370     dc.SetClippingRegion(clipping_region);
 371 #endif // !wxDFB && !wxCocoa
 372 */
 373     // since the above code above doesn't play well with WXDFB or WXCOCOA,
 374     // we'll just use a rectangle for the clipping region for now --
 375     dc.SetClippingRegion(tab_x, tab_y, clip_width+1, tab_height-3);
 376
 377
 378     wxPoint border_points[6];
 379     border_points[0] = wxPoint(tab_x,             tab_y+tab_height-4);
 380     border_points[1] = wxPoint(tab_x,             tab_y+2);
 381     border_points[2] = wxPoint(tab_x+2,           tab_y);
 382     border_points[3] = wxPoint(tab_x+tab_width-2, tab_y);
 383     border_points[4] = wxPoint(tab_x+tab_width,   tab_y+2);
 384     border_points[5] = wxPoint(tab_x+tab_width,   tab_y+tab_height-4);
 385
 386
 387     int drawn_tab_yoff = border_points[1].y;
 388     int drawn_tab_height = border_points[0].y - border_points[1].y;
 389
 390
 391     if (active)
 392     {
 393         // draw active tab
 394
 395         // draw base background color
 396         wxRect r(tab_x, tab_y, tab_width, tab_height);
 397         dc.SetPen(m_base_colour_pen);
 398         dc.SetBrush(m_base_colour_brush);
 399         dc.DrawRectangle(r.x+1, r.y+1, r.width-1, r.height-4);
 400
 401         // this white helps fill out the gradient at the top of the tab
 402         dc.SetPen(*wxWHITE_PEN);
 403         dc.SetBrush(*wxWHITE_BRUSH);
 404         dc.DrawRectangle(r.x+2, r.y+1, r.width-3, r.height-4);
 405
 406         // these two points help the rounded corners appear more antialiased
 407         dc.SetPen(m_base_colour_pen);
 408         dc.DrawPoint(r.x+2, r.y+1);
 409         dc.DrawPoint(r.x+r.width-2, r.y+1);
 410
 411         // set rectangle down a bit for gradient drawing
 412         r.SetHeight(r.GetHeight()/2);
 413         r.x += 2;
 414         r.width -= 2;
 415         r.y += r.height;
 416         r.y -= 2;
 417
 418         // draw gradient background
 419         wxColor top_color = *wxWHITE;
 420         wxColor bottom_color = m_base_colour;
 421         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 422     }
 423      else
 424     {
 425         // draw inactive tab
 426
 427         wxRect r(tab_x, tab_y+1, tab_width, tab_height-3);
 428
 429         // start the gradent up a bit and leave the inside border inset
 430         // by a pixel for a 3D look.  Only the top half of the inactive
 431         // tab will have a slight gradient
 432         r.x += 3;
 433         r.y++;
 434         r.width -= 4;
 435         r.height /= 2;
 436         r.height--;
 437
 438         // -- draw top gradient fill for glossy look
 439         wxColor top_color = m_base_colour;
 440         wxColor bottom_color = wxAuiStepColour(top_color, 160);
 441         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 442
 443         r.y += r.height;
 444         r.y--;
 445
 446         // -- draw bottom fill for glossy look
 447         top_color = m_base_colour;
 448         bottom_color = m_base_colour;
 449         dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 450     }
 451
 452     // draw tab outline
 453     dc.SetPen(m_border_pen);
 454     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 455     dc.DrawPolygon(WXSIZEOF(border_points), border_points);
 456
 457     // there are two horizontal grey lines at the bottom of the tab control,
 458     // this gets rid of the top one of those lines in the tab control
 459     if (active)
 460     {
 461         wxColor start_color = m_base_colour;
 462         dc.SetPen(m_base_colour_pen);
 463         dc.DrawLine(border_points[0].x+1,
 464                     border_points[0].y,
 465                     border_points[5].x,
 466                     border_points[5].y);
 467     }
 468
 469
 470     int text_offset = tab_x + 8;
 471     int close_button_width = 0;
 472     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 473     {
 474         close_button_width = m_active_close_bmp.GetWidth();
 475     }
 476
 477
 478     if (bitmap.IsOk())
 479     {
 480         int bitmap_offset = tab_x + 8;
 481
 482         // draw bitmap
 483         dc.DrawBitmap(bitmap,
 484                       bitmap_offset,
 485                       drawn_tab_yoff + (drawn_tab_height/2) - (bitmap.GetHeight()/2),
 486                       true);
 487
 488         text_offset = bitmap_offset + bitmap.GetWidth();
 489         text_offset += 3; // bitmap padding
 490     }
 491      else
 492     {
 493         text_offset = tab_x + 8;
 494     }
 495
 496
 497     wxString draw_text = wxAuiChopText(dc,
 498                           caption,
 499                           tab_width - (text_offset-tab_x) - close_button_width);
 500
 501     // draw tab text
 502     dc.DrawText(draw_text,
 503                 text_offset,
 504                 drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1);
 505
 506
 507
 508
 509     // draw close button if necessary
 510     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 511     {
 512         wxBitmap bmp = m_disabled_close_bmp;
 513
 514         if (close_button_state == wxAUI_BUTTON_STATE_HOVER ||
 515             close_button_state == wxAUI_BUTTON_STATE_PRESSED)
 516         {
 517             bmp = m_active_close_bmp;
 518         }
 519
 520         wxRect rect(tab_x + tab_width - close_button_width - 1,
 521                     tab_y + (tab_height/2) - (bmp.GetHeight()/2),
 522                     close_button_width,
 523                     tab_height);
 524         IndentPressedBitmap(&rect, close_button_state);
 525         dc.DrawBitmap(bmp, rect.x, rect.y, true);
 526
 527         *out_button_rect = rect;
 528     }
 529
 530     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
 531
 532     dc.DestroyClippingRegion();
 533 }
 534
 535 int wxAuiDefaultTabArt::GetIndentSize()
 536 {
 537     return 5;
 538 }
 539
 540 wxSize wxAuiDefaultTabArt::GetTabSize(wxDC& dc,
 541                                       wxWindow* WXUNUSED(wnd),
 542                                       const wxString& caption,
 543                                       const wxBitmap& bitmap,
 544                                       bool WXUNUSED(active),
 545                                       int close_button_state,
 546                                       int* x_extent)
 547 {
 548     wxCoord measured_textx, measured_texty, tmp;
 549
 550     dc.SetFont(m_measuring_font);
 551     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
 552
 553     dc.GetTextExtent(wxT("ABCDEFXj"), &tmp, &measured_texty);
 554
 555     // add padding around the text
 556     wxCoord tab_width = measured_textx;
 557     wxCoord tab_height = measured_texty;
 558
 559     // if the close button is showing, add space for it
 560     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 561         tab_width += m_active_close_bmp.GetWidth() + 3;
 562
 563     // if there's a bitmap, add space for it
 564     if (bitmap.IsOk())
 565     {
 566         tab_width += bitmap.GetWidth();
 567         tab_width += 3; // right side bitmap padding
 568         tab_height = wxMax(tab_height, bitmap.GetHeight());
 569     }
 570
 571     // add padding
 572     tab_width += 16;
 573     tab_height += 10;
 574
 575     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
 576     {
 577         tab_width = m_fixed_tab_width;
 578     }
 579
 580     *x_extent = tab_width;
 581
 582     return wxSize(tab_width, tab_height);
 583 }
 584
 585
 586 void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
 587                                     wxWindow* WXUNUSED(wnd),
 588                                     const wxRect& in_rect,
 589                                     int bitmap_id,
 590                                     int button_state,
 591                                     int orientation,
 592                                     const wxBitmap& bitmap_override,
 593                                     wxRect* out_rect)
 594 {
 595     wxBitmap bmp;
 596     wxRect rect;
 597
 598     if (bitmap_override.IsOk())
 599     {
 600         bmp = bitmap_override;
 601     }
 602      else
 603     {
 604         switch (bitmap_id)
 605         {
 606             case wxAUI_BUTTON_CLOSE:
 607                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 608                     bmp = m_disabled_close_bmp;
 609                      else
 610                     bmp = m_active_close_bmp;
 611                 break;
 612             case wxAUI_BUTTON_LEFT:
 613                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 614                     bmp = m_disabled_left_bmp;
 615                      else
 616                     bmp = m_active_left_bmp;
 617                 break;
 618             case wxAUI_BUTTON_RIGHT:
 619                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 620                     bmp = m_disabled_right_bmp;
 621                      else
 622                     bmp = m_active_right_bmp;
 623                 break;
 624             case wxAUI_BUTTON_WINDOWLIST:
 625                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
 626                     bmp = m_disabled_windowlist_bmp;
 627                      else
 628                     bmp = m_active_windowlist_bmp;
 629                 break;
 630         }
 631     }
 632
 633     if (!bmp.IsOk())
 634         return;
 635
 636     rect = in_rect;
 637
 638     if (orientation == wxLEFT)
 639     {
 640         rect.SetX(in_rect.x);
 641         rect.SetY(((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2));
 642         rect.SetWidth(bmp.GetWidth());
 643         rect.SetHeight(bmp.GetHeight());
 644     }
 645      else
 646     {
 647         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
 648                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
 649                       bmp.GetWidth(), bmp.GetHeight());
 650     }
 651
 652     IndentPressedBitmap(&rect, button_state);
 653     dc.DrawBitmap(bmp, rect.x, rect.y, true);
 654
 655     *out_rect = rect;
 656 }
 657
 658
 659 int wxAuiDefaultTabArt::ShowWindowList(wxWindow* wnd,
 660                                        const wxArrayString& items,
 661                                        int active_idx)
 662 {
 663         wxMenu menuPopup;
 664
 665     size_t i, count = items.GetCount();
 666     for (i = 0; i < count; ++i)
 667     {
 668         menuPopup.AppendCheckItem(1000+i, items.Item(i));
 669     }
 670
 671     if (active_idx != -1)
 672     {
 673         menuPopup.Check(1000+active_idx, true);
 674     }
 675
 676     // find out where to put the popup menu of window items
 677     wxPoint pt = ::wxGetMousePosition();
 678     pt = wnd->ScreenToClient(pt);
 679
 680     // find out the screen coordinate at the bottom of the tab ctrl
 681     wxRect cli_rect = wnd->GetClientRect();
 682     pt.y = cli_rect.y + cli_rect.height;
 683
 684     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
 685     wnd->PushEventHandler(cc);
 686     wnd->PopupMenu(&menuPopup, pt);
 687     int command = cc->GetCommandId();
 688     wnd->PopEventHandler(true);
 689
 690     if (command >= 1000)
 691         return command-1000;
 692
 693     return -1;
 694 }
 695
 696 int wxAuiDefaultTabArt::GetBestTabCtrlSize(wxWindow* wnd,
 697                                            wxAuiNotebookPageArray& pages,
 698                                            const wxSize& required_bmp_size)
 699 {
 700     wxClientDC dc(wnd);
 701     dc.SetFont(m_measuring_font);
 702
 703     // sometimes a standard bitmap size needs to be enforced, especially
 704     // if some tabs have bitmaps and others don't.  This is important because
 705     // it prevents the tab control from resizing when tabs are added.
 706     wxBitmap measure_bmp;
 707     if (required_bmp_size.IsFullySpecified())
 708     {
 709         measure_bmp.Create(required_bmp_size.x,
 710                            required_bmp_size.y);
 711     }
 712
 713
 714     int max_y = 0;
 715     size_t i, page_count = pages.GetCount();
 716     for (i = 0; i < page_count; ++i)
 717     {
 718         wxAuiNotebookPage& page = pages.Item(i);
 719
 720         wxBitmap bmp;
 721         if (measure_bmp.IsOk())
 722             bmp = measure_bmp;
 723              else
 724             bmp = page.bitmap;
 725
 726         // we don't use the caption text because we don't
 727         // want tab heights to be different in the case
 728         // of a very short piece of text on one tab and a very
 729         // tall piece of text on another tab
 730         int x_ext = 0;
 731         wxSize s = GetTabSize(dc,
 732                               wnd,
 733                               wxT("ABCDEFGHIj"),
 734                               bmp,
 735                               true,
 736                               wxAUI_BUTTON_STATE_HIDDEN,
 737                               &x_ext);
 738
 739         max_y = wxMax(max_y, s.y);
 740     }
 741
 742     return max_y+2;
 743 }
 744
 745 void wxAuiDefaultTabArt::SetNormalFont(const wxFont& font)
 746 {
 747     m_normal_font = font;
 748 }
 749
 750 void wxAuiDefaultTabArt::SetSelectedFont(const wxFont& font)
 751 {
 752     m_selected_font = font;
 753 }
 754
 755 void wxAuiDefaultTabArt::SetMeasuringFont(const wxFont& font)
 756 {
 757     m_measuring_font = font;
 758 }
 759
 760
 761 // -- wxAuiSimpleTabArt class implementation --
 762
 763 wxAuiSimpleTabArt::wxAuiSimpleTabArt()
 764 {
 765     m_normal_font = *wxNORMAL_FONT;
 766     m_selected_font = *wxNORMAL_FONT;
 767     m_selected_font.SetWeight(wxBOLD);
 768     m_measuring_font = m_selected_font;
 769
 770     m_flags = 0;
 771     m_fixed_tab_width = 100;
 772
 773     wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 774
 775     wxColour background_colour = base_colour;
 776     wxColour normaltab_colour = base_colour;
 777     wxColour selectedtab_colour = *wxWHITE;
 778
 779     m_bkbrush = wxBrush(background_colour);
 780     m_normal_bkbrush = wxBrush(normaltab_colour);
 781     m_normal_bkpen = wxPen(normaltab_colour);
 782     m_selected_bkbrush = wxBrush(selectedtab_colour);
 783     m_selected_bkpen = wxPen(selectedtab_colour);
 784
 785     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 786     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 787
 788     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 789     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 790
 791     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 792     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 793
 794     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 795     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 796
 797 }
 798
 799 wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
 800 {
 801 }
 802
 803 wxAuiTabArt* wxAuiSimpleTabArt::Clone()
 804 {
 805     return static_cast<wxAuiTabArt*>(new wxAuiSimpleTabArt);
 806 }
 807
 808
 809 void wxAuiSimpleTabArt::SetFlags(unsigned int flags)
 810 {
 811     m_flags = flags;
 812 }
 813
 814 void wxAuiSimpleTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 815                                       size_t tab_count)
 816 {
 817     m_fixed_tab_width = 100;
 818
 819     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 820
 821     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 822         tot_width -= m_active_close_bmp.GetWidth();
 823     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 824         tot_width -= m_active_windowlist_bmp.GetWidth();
 825
 826     if (tab_count > 0)
 827     {
 828         m_fixed_tab_width = tot_width/(int)tab_count;
 829     }
 830
 831
 832     if (m_fixed_tab_width < 100)
 833         m_fixed_tab_width = 100;
 834
 835     if (m_fixed_tab_width > tot_width/2)
 836         m_fixed_tab_width = tot_width/2;
 837
 838     if (m_fixed_tab_width > 220)
 839         m_fixed_tab_width = 220;
 840 }
 841
 842 void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
 843                                        wxWindow* WXUNUSED(wnd),
 844                                        const wxRect& rect)
 845 {
 846     // draw background
 847     dc.SetBrush(m_bkbrush);
 848     dc.SetPen(*wxTRANSPARENT_PEN);
 849     dc.DrawRectangle(-1, -1, rect.GetWidth()+2, rect.GetHeight()+2);
 850
 851     // draw base line
 852     dc.SetPen(*wxGREY_PEN);
 853     dc.DrawLine(0, rect.GetHeight()-1, rect.GetWidth(), rect.GetHeight()-1);
 854 }
 855
 856
 857 // DrawTab() draws an individual tab.
 858 //
 859 // dc       - output dc
 860 // in_rect  - rectangle the tab should be confined to
 861 // caption  - tab's caption
 862 // active   - whether or not the tab is active
 863 // out_rect - actual output rectangle
 864 // x_extent - the advance x; where the next tab should start
 865
 866 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
 867                                 wxWindow* wnd,
 868                                 const wxRect& in_rect,
 869                                 const wxString& caption_text,
 870                                 const wxBitmap& bitmap,
 871                                 bool active,
 872                                 int close_button_state,
 873                                 wxRect* out_tab_rect,
 874                                 wxRect* out_button_rect,
 875                                 int* x_extent)
 876 {
 877     wxCoord normal_textx, normal_texty;
 878     wxCoord selected_textx, selected_texty;
 879     wxCoord textx, texty;
 880
 881     // if the caption is empty, measure some temporary text
 882     wxString caption = caption_text;
 883     if (caption_text.empty())
 884         caption = wxT("Xj");
 885
 886     dc.SetFont(m_selected_font);
 887     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 888
 889     dc.SetFont(m_normal_font);
 890     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 891
 892     // figure out the size of the tab
 893     wxSize tab_size = GetTabSize(dc,
 894                                  wnd,
 895                                  caption,
 896                                  bitmap,
 897                                  active,
 898                                  close_button_state,
 899                                  x_extent);
 900
 901     wxCoord tab_height = tab_size.y;
 902     wxCoord tab_width = tab_size.x;
 903     wxCoord tab_x = in_rect.x;
 904     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 905
 906     caption = caption_text;
 907
 908     // select pen, brush and font for the tab to be drawn
 909
 910     if (active)
 911     {
 912         dc.SetPen(m_selected_bkpen);
 913         dc.SetBrush(m_selected_bkbrush);
 914         dc.SetFont(m_selected_font);
 915         textx = selected_textx;
 916         texty = selected_texty;
 917     }
 918      else
 919     {
 920         dc.SetPen(m_normal_bkpen);
 921         dc.SetBrush(m_normal_bkbrush);
 922         dc.SetFont(m_normal_font);
 923         textx = normal_textx;
 924         texty = normal_texty;
 925     }
 926
 927
 928     // -- draw line --
 929
 930     wxPoint points[7];
 931     points[0].x = tab_x;
 932     points[0].y = tab_y + tab_height - 1;
 933     points[1].x = tab_x + tab_height - 3;
 934     points[1].y = tab_y + 2;
 935     points[2].x = tab_x + tab_height + 3;
 936     points[2].y = tab_y;
 937     points[3].x = tab_x + tab_width - 2;
 938     points[3].y = tab_y;
 939     points[4].x = tab_x + tab_width;
 940     points[4].y = tab_y + 2;
 941     points[5].x = tab_x + tab_width;
 942     points[5].y = tab_y + tab_height - 1;
 943     points[6] = points[0];
 944
 945     dc.SetClippingRegion(in_rect);
 946
 947     dc.DrawPolygon(WXSIZEOF(points) - 1, points);
 948
 949     dc.SetPen(*wxGREY_PEN);
 950
 951     //dc.DrawLines(active ? WXSIZEOF(points) - 1 : WXSIZEOF(points), points);
 952     dc.DrawLines(WXSIZEOF(points), points);
 953
 954
 955     int text_offset;
 956
 957     int close_button_width = 0;
 958     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 959     {
 960         close_button_width = m_active_close_bmp.GetWidth();
 961         text_offset = tab_x + (tab_height/2) + ((tab_width-close_button_width)/2) - (textx/2);
 962     }
 963      else
 964     {
 965         text_offset = tab_x + (tab_height/3) + (tab_width/2) - (textx/2);
 966     }
 967
 968     // set minimum text offset
 969     if (text_offset < tab_x + tab_height)
 970         text_offset = tab_x + tab_height;
 971
 972     // chop text if necessary
 973     wxString draw_text = wxAuiChopText(dc,
 974                           caption,
 975                           tab_width - (text_offset-tab_x) - close_button_width);
 976
 977     // draw tab text
 978     dc.DrawText(draw_text,
 979                  text_offset,
 980                  (tab_y + tab_height)/2 - (texty/2) + 1);
 981
 982
 983     // draw close button if necessary
 984     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 985     {
 986         wxBitmap bmp;
 987         if (active)
 988             bmp = m_active_close_bmp;
 989              else
 990             bmp = m_disabled_close_bmp;
 991
 992         wxRect rect(tab_x + tab_width - close_button_width - 1,
 993                     tab_y + (tab_height/2) - (bmp.GetHeight()/2) + 1,
 994                     close_button_width,
 995                     tab_height - 1);
 996         DrawButtons(dc, rect, bmp, *wxWHITE, close_button_state);
 997
 998         *out_button_rect = rect;
 999     }
1000
1001
1002     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
1003
1004     dc.DestroyClippingRegion();
1005 }
1006
1007 int wxAuiSimpleTabArt::GetIndentSize()
1008 {
1009     return 0;
1010 }
1011
1012 wxSize wxAuiSimpleTabArt::GetTabSize(wxDC& dc,
1013                                      wxWindow* WXUNUSED(wnd),
1014                                      const wxString& caption,
1015                                      const wxBitmap& WXUNUSED(bitmap),
1016                                      bool WXUNUSED(active),
1017                                      int close_button_state,
1018                                      int* x_extent)
1019 {
1020     wxCoord measured_textx, measured_texty;
1021
1022     dc.SetFont(m_measuring_font);
1023     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
1024
1025     wxCoord tab_height = measured_texty + 4;
1026     wxCoord tab_width = measured_textx + tab_height + 5;
1027
1028     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1029         tab_width += m_active_close_bmp.GetWidth();
1030
1031     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
1032     {
1033         tab_width = m_fixed_tab_width;
1034     }
1035
1036     *x_extent = tab_width - (tab_height/2) - 1;
1037
1038     return wxSize(tab_width, tab_height);
1039 }
1040
1041
1042 void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
1043                                    wxWindow* WXUNUSED(wnd),
1044                                    const wxRect& in_rect,
1045                                    int bitmap_id,
1046                                    int button_state,
1047                                    int orientation,
1048                                    const wxBitmap& bitmap_override,
1049                                    wxRect* out_rect)
1050 {
1051     wxBitmap bmp;
1052     wxRect rect;
1053
1054     if (bitmap_override.IsOk())
1055     {
1056         bmp = bitmap_override;
1057     }
1058      else
1059     {
1060         switch (bitmap_id)
1061         {
1062             case wxAUI_BUTTON_CLOSE:
1063                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1064                     bmp = m_disabled_close_bmp;
1065                      else
1066                     bmp = m_active_close_bmp;
1067                 break;
1068             case wxAUI_BUTTON_LEFT:
1069                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1070                     bmp = m_disabled_left_bmp;
1071                      else
1072                     bmp = m_active_left_bmp;
1073                 break;
1074             case wxAUI_BUTTON_RIGHT:
1075                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1076                     bmp = m_disabled_right_bmp;
1077                      else
1078                     bmp = m_active_right_bmp;
1079                 break;
1080             case wxAUI_BUTTON_WINDOWLIST:
1081                 if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1082                     bmp = m_disabled_windowlist_bmp;
1083                      else
1084                     bmp = m_active_windowlist_bmp;
1085                 break;
1086         }
1087     }
1088
1089     if (!bmp.IsOk())
1090         return;
1091
1092     rect = in_rect;
1093
1094     if (orientation == wxLEFT)
1095     {
1096         rect.SetX(in_rect.x);
1097         rect.SetY(((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2));
1098         rect.SetWidth(bmp.GetWidth());
1099         rect.SetHeight(bmp.GetHeight());
1100     }
1101      else
1102     {
1103         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
1104                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
1105                       bmp.GetWidth(), bmp.GetHeight());
1106     }
1107
1108
1109     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
1110
1111     *out_rect = rect;
1112 }
1113
1114
1115 int wxAuiSimpleTabArt::ShowWindowList(wxWindow* wnd,
1116                                       const wxArrayString& items,
1117                                       int active_idx)
1118 {
1119         wxMenu menuPopup;
1120
1121     size_t i, count = items.GetCount();
1122     for (i = 0; i < count; ++i)
1123     {
1124         menuPopup.AppendCheckItem(1000+i, items.Item(i));
1125     }
1126
1127     if (active_idx != -1)
1128     {
1129         menuPopup.Check(1000+active_idx, true);
1130     }
1131
1132     // find out where to put the popup menu of window
1133     // items.  Subtract 100 for now to center the menu
1134     // a bit, until a better mechanism can be implemented
1135     wxPoint pt = ::wxGetMousePosition();
1136     pt = wnd->ScreenToClient(pt);
1137     if (pt.x < 100)
1138         pt.x = 0;
1139          else
1140         pt.x -= 100;
1141
1142     // find out the screen coordinate at the bottom of the tab ctrl
1143     wxRect cli_rect = wnd->GetClientRect();
1144     pt.y = cli_rect.y + cli_rect.height;
1145
1146     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
1147     wnd->PushEventHandler(cc);
1148     wnd->PopupMenu(&menuPopup, pt);
1149     int command = cc->GetCommandId();
1150     wnd->PopEventHandler(true);
1151
1152     if (command >= 1000)
1153         return command-1000;
1154
1155     return -1;
1156 }
1157
1158 int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd,
1159                                           wxAuiNotebookPageArray& WXUNUSED(pages),
1160                                           const wxSize& WXUNUSED(required_bmp_size))
1161 {
1162     wxClientDC dc(wnd);
1163     dc.SetFont(m_measuring_font);
1164     int x_ext = 0;
1165     wxSize s = GetTabSize(dc,
1166                           wnd,
1167                           wxT("ABCDEFGHIj"),
1168                           wxNullBitmap,
1169                           true,
1170                           wxAUI_BUTTON_STATE_HIDDEN,
1171                           &x_ext);
1172     return s.y+3;
1173 }
1174
1175 void wxAuiSimpleTabArt::SetNormalFont(const wxFont& font)
1176 {
1177     m_normal_font = font;
1178 }
1179
1180 void wxAuiSimpleTabArt::SetSelectedFont(const wxFont& font)
1181 {
1182     m_selected_font = font;
1183 }
1184
1185 void wxAuiSimpleTabArt::SetMeasuringFont(const wxFont& font)
1186 {
1187     m_measuring_font = font;
1188 }
1189
1190
1191
1192
1193 // -- wxAuiTabContainer class implementation --
1194
1195
1196 // wxAuiTabContainer is a class which contains information about each
1197 // tab.  It also can render an entire tab control to a specified DC.
1198 // It's not a window class itself, because this code will be used by
1199 // the wxFrameMananger, where it is disadvantageous to have separate
1200 // windows for each tab control in the case of "docked tabs"
1201
1202 // A derived class, wxAuiTabCtrl, is an actual wxWindow-derived window
1203 // which can be used as a tab control in the normal sense.
1204
1205
1206 wxAuiTabContainer::wxAuiTabContainer()
1207 {
1208     m_tab_offset = 0;
1209     m_flags = 0;
1210     m_art = new wxAuiDefaultTabArt;
1211
1212     AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1213     AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1214     AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1215     AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1216 }
1217
1218 wxAuiTabContainer::~wxAuiTabContainer()
1219 {
1220     delete m_art;
1221 }
1222
1223 void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
1224 {
1225     delete m_art;
1226     m_art = art;
1227
1228     if (m_art)
1229     {
1230         m_art->SetFlags(m_flags);
1231     }
1232 }
1233
1234 wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
1235 {
1236     return m_art;
1237 }
1238
1239 void wxAuiTabContainer::SetFlags(unsigned int flags)
1240 {
1241     m_flags = flags;
1242
1243     // check for new close button settings
1244     RemoveButton(wxAUI_BUTTON_LEFT);
1245     RemoveButton(wxAUI_BUTTON_RIGHT);
1246     RemoveButton(wxAUI_BUTTON_WINDOWLIST);
1247     RemoveButton(wxAUI_BUTTON_CLOSE);
1248
1249
1250     if (flags & wxAUI_NB_SCROLL_BUTTONS)
1251     {
1252         AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1253         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1254     }
1255
1256     if (flags & wxAUI_NB_WINDOWLIST_BUTTON)
1257     {
1258         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1259     }
1260
1261     if (flags & wxAUI_NB_CLOSE_BUTTON)
1262     {
1263         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1264     }
1265
1266     if (m_art)
1267     {
1268         m_art->SetFlags(m_flags);
1269     }
1270 }
1271
1272 unsigned int wxAuiTabContainer::GetFlags() const
1273 {
1274     return m_flags;
1275 }
1276
1277
1278 void wxAuiTabContainer::SetNormalFont(const wxFont& font)
1279 {
1280     m_art->SetNormalFont(font);
1281 }
1282
1283 void wxAuiTabContainer::SetSelectedFont(const wxFont& font)
1284 {
1285     m_art->SetSelectedFont(font);
1286 }
1287
1288 void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
1289 {
1290     m_art->SetMeasuringFont(font);
1291 }
1292
1293 void wxAuiTabContainer::SetRect(const wxRect& rect)
1294 {
1295     m_rect = rect;
1296
1297     if (m_art)
1298     {
1299         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
1300     }
1301 }
1302
1303 bool wxAuiTabContainer::AddPage(wxWindow* page,
1304                                 const wxAuiNotebookPage& info)
1305 {
1306     wxAuiNotebookPage page_info;
1307     page_info = info;
1308     page_info.window = page;
1309
1310     m_pages.Add(page_info);
1311
1312     // let the art provider know how many pages we have
1313     if (m_art)
1314     {
1315         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1316     }
1317
1318     return true;
1319 }
1320
1321 bool wxAuiTabContainer::InsertPage(wxWindow* page,
1322                                    const wxAuiNotebookPage& info,
1323                                    size_t idx)
1324 {
1325     wxAuiNotebookPage page_info;
1326     page_info = info;
1327     page_info.window = page;
1328
1329     if (idx >= m_pages.GetCount())
1330         m_pages.Add(page_info);
1331          else
1332         m_pages.Insert(page_info, idx);
1333
1334     // let the art provider know how many pages we have
1335     if (m_art)
1336     {
1337         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1338     }
1339
1340     return true;
1341 }
1342
1343 bool wxAuiTabContainer::MovePage(wxWindow* page,
1344                                  size_t new_idx)
1345 {
1346     int idx = GetIdxFromWindow(page);
1347     if (idx == -1)
1348         return false;
1349
1350     // get page entry, make a copy of it
1351     wxAuiNotebookPage p = GetPage(idx);
1352
1353     // remove old page entry
1354     RemovePage(page);
1355
1356     // insert page where it should be
1357     InsertPage(page, p, new_idx);
1358
1359     return true;
1360 }
1361
1362 bool wxAuiTabContainer::RemovePage(wxWindow* wnd)
1363 {
1364     size_t i, page_count = m_pages.GetCount();
1365     for (i = 0; i < page_count; ++i)
1366     {
1367         wxAuiNotebookPage& page = m_pages.Item(i);
1368         if (page.window == wnd)
1369         {
1370             m_pages.RemoveAt(i);
1371
1372             // let the art provider know how many pages we have
1373             if (m_art)
1374             {
1375                 m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1376             }
1377
1378             return true;
1379         }
1380     }
1381
1382     return false;
1383 }
1384
1385 bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
1386 {
1387     bool found = false;
1388
1389     size_t i, page_count = m_pages.GetCount();
1390     for (i = 0; i < page_count; ++i)
1391     {
1392         wxAuiNotebookPage& page = m_pages.Item(i);
1393         if (page.window == wnd)
1394         {
1395             page.active = true;
1396             found = true;
1397         }
1398          else
1399         {
1400             page.active = false;
1401         }
1402     }
1403
1404     return found;
1405 }
1406
1407 void wxAuiTabContainer::SetNoneActive()
1408 {
1409     size_t i, page_count = m_pages.GetCount();
1410     for (i = 0; i < page_count; ++i)
1411     {
1412         wxAuiNotebookPage& page = m_pages.Item(i);
1413         page.active = false;
1414     }
1415 }
1416
1417 bool wxAuiTabContainer::SetActivePage(size_t page)
1418 {
1419     if (page >= m_pages.GetCount())
1420         return false;
1421
1422     return SetActivePage(m_pages.Item(page).window);
1423 }
1424
1425 int wxAuiTabContainer::GetActivePage() const
1426 {
1427     size_t i, page_count = m_pages.GetCount();
1428     for (i = 0; i < page_count; ++i)
1429     {
1430         wxAuiNotebookPage& page = m_pages.Item(i);
1431         if (page.active)
1432             return i;
1433     }
1434
1435     return -1;
1436 }
1437
1438 wxWindow* wxAuiTabContainer::GetWindowFromIdx(size_t idx) const
1439 {
1440     if (idx >= m_pages.GetCount())
1441         return NULL;
1442
1443     return m_pages[idx].window;
1444 }
1445
1446 int wxAuiTabContainer::GetIdxFromWindow(wxWindow* wnd) const
1447 {
1448     size_t i, page_count = m_pages.GetCount();
1449     for (i = 0; i < page_count; ++i)
1450     {
1451         wxAuiNotebookPage& page = m_pages.Item(i);
1452         if (page.window == wnd)
1453             return i;
1454     }
1455     return -1;
1456 }
1457
1458 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
1459 {
1460     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1461
1462     return m_pages[idx];
1463 }
1464
1465 wxAuiNotebookPageArray& wxAuiTabContainer::GetPages()
1466 {
1467     return m_pages;
1468 }
1469
1470 size_t wxAuiTabContainer::GetPageCount() const
1471 {
1472     return m_pages.GetCount();
1473 }
1474
1475 void wxAuiTabContainer::AddButton(int id,
1476                                   int location,
1477                                   const wxBitmap& normal_bitmap,
1478                                   const wxBitmap& disabled_bitmap)
1479 {
1480     wxAuiTabContainerButton button;
1481     button.id = id;
1482     button.bitmap = normal_bitmap;
1483     button.dis_bitmap = disabled_bitmap;
1484     button.location = location;
1485     button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1486
1487     m_buttons.Add(button);
1488 }
1489
1490 void wxAuiTabContainer::RemoveButton(int id)
1491 {
1492     size_t i, button_count = m_buttons.GetCount();
1493
1494     for (i = 0; i < button_count; ++i)
1495     {
1496         if (m_buttons.Item(i).id == id)
1497         {
1498             m_buttons.RemoveAt(i);
1499             return;
1500         }
1501     }
1502 }
1503
1504
1505
1506 size_t wxAuiTabContainer::GetTabOffset() const
1507 {
1508     return m_tab_offset;
1509 }
1510
1511 void wxAuiTabContainer::SetTabOffset(size_t offset)
1512 {
1513     m_tab_offset = offset;
1514 }
1515
1516
1517
1518
1519 // Render() renders the tab catalog to the specified DC
1520 // It is a virtual function and can be overridden to
1521 // provide custom drawing capabilities
1522 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
1523 {
1524     if (!raw_dc || !raw_dc->IsOk())
1525         return;
1526
1527     wxMemoryDC dc;
1528     wxBitmap bmp;
1529     size_t i;
1530     size_t page_count = m_pages.GetCount();
1531     size_t button_count = m_buttons.GetCount();
1532
1533     // create off-screen bitmap
1534     bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
1535     dc.SelectObject(bmp);
1536
1537     if (!dc.IsOk())
1538         return;
1539
1540     // find out if size of tabs is larger than can be
1541     // afforded on screen
1542     int total_width = 0;
1543     int visible_width = 0;
1544     for (i = 0; i < page_count; ++i)
1545     {
1546         wxAuiNotebookPage& page = m_pages.Item(i);
1547
1548         // determine if a close button is on this tab
1549         bool close_button = false;
1550         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1551             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1552         {
1553             close_button = true;
1554         }
1555
1556
1557         int x_extent = 0;
1558         wxSize size = m_art->GetTabSize(dc,
1559                             wnd,
1560                             page.caption,
1561                             page.bitmap,
1562                             page.active,
1563                             close_button ?
1564                               wxAUI_BUTTON_STATE_NORMAL :
1565                               wxAUI_BUTTON_STATE_HIDDEN,
1566                             &x_extent);
1567
1568         if (i+1 < page_count)
1569             total_width += x_extent;
1570              else
1571             total_width += size.x;
1572
1573         if (i >= m_tab_offset)
1574         {
1575             if (i+1 < page_count)
1576                 visible_width += x_extent;
1577                  else
1578                 visible_width += size.x;
1579         }
1580     }
1581
1582     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
1583     {
1584         // show left/right buttons
1585         for (i = 0; i < button_count; ++i)
1586         {
1587             wxAuiTabContainerButton& button = m_buttons.Item(i);
1588             if (button.id == wxAUI_BUTTON_LEFT ||
1589                 button.id == wxAUI_BUTTON_RIGHT)
1590             {
1591                 button.cur_state &= ~wxAUI_BUTTON_STATE_HIDDEN;
1592             }
1593         }
1594     }
1595      else
1596     {
1597         // hide left/right buttons
1598         for (i = 0; i < button_count; ++i)
1599         {
1600             wxAuiTabContainerButton& button = m_buttons.Item(i);
1601             if (button.id == wxAUI_BUTTON_LEFT ||
1602                 button.id == wxAUI_BUTTON_RIGHT)
1603             {
1604                 button.cur_state |= wxAUI_BUTTON_STATE_HIDDEN;
1605             }
1606         }
1607     }
1608
1609     // determine whether left button should be enabled
1610     for (i = 0; i < button_count; ++i)
1611     {
1612         wxAuiTabContainerButton& button = m_buttons.Item(i);
1613         if (button.id == wxAUI_BUTTON_LEFT)
1614         {
1615             if (m_tab_offset == 0)
1616                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1617                  else
1618                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1619         }
1620         if (button.id == wxAUI_BUTTON_RIGHT)
1621         {
1622             if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
1623                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1624                  else
1625                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1626         }
1627     }
1628
1629
1630
1631     // draw background
1632     m_art->DrawBackground(dc, wnd, m_rect);
1633
1634     // draw buttons
1635     int left_buttons_width = 0;
1636     int right_buttons_width = 0;
1637
1638     int offset = 0;
1639
1640     // draw the buttons on the right side
1641     offset = m_rect.x + m_rect.width;
1642     for (i = 0; i < button_count; ++i)
1643     {
1644         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1645
1646         if (button.location != wxRIGHT)
1647             continue;
1648         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1649             continue;
1650
1651         wxRect button_rect = m_rect;
1652         button_rect.SetY(1);
1653         button_rect.SetWidth(offset);
1654
1655         m_art->DrawButton(dc,
1656                           wnd,
1657                           button_rect,
1658                           button.id,
1659                           button.cur_state,
1660                           wxRIGHT,
1661                           wxNullBitmap,
1662                           &button.rect);
1663
1664         offset -= button.rect.GetWidth();
1665         right_buttons_width += button.rect.GetWidth();
1666     }
1667
1668
1669
1670     offset = 0;
1671
1672     // draw the buttons on the left side
1673
1674     for (i = 0; i < button_count; ++i)
1675     {
1676         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1677
1678         if (button.location != wxLEFT)
1679             continue;
1680         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1681             continue;
1682
1683         wxRect button_rect(offset, 1, 1000, m_rect.height);
1684
1685         m_art->DrawButton(dc,
1686                           wnd,
1687                           button_rect,
1688                           button.id,
1689                           button.cur_state,
1690                           wxLEFT,
1691                           wxNullBitmap,
1692                           &button.rect);
1693
1694         offset += button.rect.GetWidth();
1695         left_buttons_width += button.rect.GetWidth();
1696     }
1697
1698     offset = left_buttons_width;
1699
1700     if (offset == 0)
1701         offset += m_art->GetIndentSize();
1702
1703
1704     // prepare the tab-close-button array
1705     // make sure tab button entries which aren't used are marked as hidden
1706     for (i = page_count; i < m_tab_close_buttons.GetCount(); ++i)
1707         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1708
1709     // make sure there are enough tab button entries to accommodate all tabs
1710     while (m_tab_close_buttons.GetCount() < page_count)
1711     {
1712         wxAuiTabContainerButton tempbtn;
1713         tempbtn.id = wxAUI_BUTTON_CLOSE;
1714         tempbtn.location = wxCENTER;
1715         tempbtn.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1716         m_tab_close_buttons.Add(tempbtn);
1717     }
1718
1719
1720     // buttons before the tab offset must be set to hidden
1721     for (i = 0; i < m_tab_offset; ++i)
1722     {
1723         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1724     }
1725
1726
1727     // draw the tabs
1728
1729     size_t active = 999;
1730     int active_offset = 0;
1731     wxRect active_rect;
1732
1733     int x_extent = 0;
1734     wxRect rect = m_rect;
1735     rect.y = 0;
1736     rect.height = m_rect.height;
1737
1738     for (i = m_tab_offset; i < page_count; ++i)
1739     {
1740         wxAuiNotebookPage& page = m_pages.Item(i);
1741         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
1742
1743         // determine if a close button is on this tab
1744         bool close_button = false;
1745         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1746             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1747         {
1748             close_button = true;
1749             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
1750             {
1751                 tab_button.id = wxAUI_BUTTON_CLOSE;
1752                 tab_button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1753                 tab_button.location = wxCENTER;
1754             }
1755         }
1756          else
1757         {
1758             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1759         }
1760
1761         rect.x = offset;
1762         rect.width = m_rect.width - right_buttons_width - offset - 2;
1763
1764         if (rect.width <= 0)
1765             break;
1766
1767         m_art->DrawTab(dc,
1768                        wnd,
1769                        rect,
1770                        page.caption,
1771                        page.bitmap,
1772                        page.active,
1773                        tab_button.cur_state,
1774                        &page.rect,
1775                        &tab_button.rect,
1776                        &x_extent);
1777
1778         if (page.active)
1779         {
1780             active = i;
1781             active_offset = offset;
1782             active_rect = rect;
1783         }
1784
1785         offset += x_extent;
1786     }
1787
1788
1789     // make sure to deactivate buttons which are off the screen to the right
1790     for (++i; i < m_tab_close_buttons.GetCount(); ++i)
1791     {
1792         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1793     }
1794
1795
1796     // draw the active tab again so it stands in the foreground
1797     if (active >= m_tab_offset && active < m_pages.GetCount())
1798     {
1799         wxAuiNotebookPage& page = m_pages.Item(active);
1800
1801         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(active);
1802
1803         // determine if a close button is on this tab
1804         bool close_button = false;
1805         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1806             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1807         {
1808             close_button = true;
1809         }
1810
1811         rect.x = active_offset;
1812         m_art->DrawTab(dc,
1813                        wnd,
1814                        active_rect,
1815                        page.caption,
1816                        page.bitmap,
1817                        page.active,
1818                        tab_button.cur_state,
1819                        &page.rect,
1820                        &tab_button.rect,
1821                        &x_extent);
1822     }
1823
1824
1825     raw_dc->Blit(m_rect.x, m_rect.y,
1826                  m_rect.GetWidth(), m_rect.GetHeight(),
1827                  &dc, 0, 0);
1828 }
1829
1830
1831 // TabHitTest() tests if a tab was hit, passing the window pointer
1832 // back if that condition was fulfilled.  The function returns
1833 // true if a tab was hit, otherwise false
1834 bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
1835 {
1836     if (!m_rect.Contains(x,y))
1837         return false;
1838
1839     wxAuiTabContainerButton* btn = NULL;
1840     if (ButtonHitTest(x, y, &btn))
1841     {
1842         if (m_buttons.Index(*btn) != wxNOT_FOUND)
1843             return false;
1844     }
1845
1846     size_t i, page_count = m_pages.GetCount();
1847
1848     for (i = m_tab_offset; i < page_count; ++i)
1849     {
1850         wxAuiNotebookPage& page = m_pages.Item(i);
1851         if (page.rect.Contains(x,y))
1852         {
1853             if (hit)
1854                 *hit = page.window;
1855             return true;
1856         }
1857     }
1858
1859     return false;
1860 }
1861
1862 // ButtonHitTest() tests if a button was hit. The function returns
1863 // true if a button was hit, otherwise false
1864 bool wxAuiTabContainer::ButtonHitTest(int x, int y,
1865                                       wxAuiTabContainerButton** hit) const
1866 {
1867     if (!m_rect.Contains(x,y))
1868         return false;
1869
1870     size_t i, button_count;
1871
1872
1873     button_count = m_buttons.GetCount();
1874     for (i = 0; i < button_count; ++i)
1875     {
1876         wxAuiTabContainerButton& button = m_buttons.Item(i);
1877         if (button.rect.Contains(x,y) &&
1878             !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
1879                                    wxAUI_BUTTON_STATE_DISABLED)))
1880         {
1881             if (hit)
1882                 *hit = &button;
1883             return true;
1884         }
1885     }
1886
1887     button_count = m_tab_close_buttons.GetCount();
1888     for (i = 0; i < button_count; ++i)
1889     {
1890         wxAuiTabContainerButton& button = m_tab_close_buttons.Item(i);
1891         if (button.rect.Contains(x,y) &&
1892             !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
1893                                    wxAUI_BUTTON_STATE_DISABLED)))
1894         {
1895             if (hit)
1896                 *hit = &button;
1897             return true;
1898         }
1899     }
1900
1901     return false;
1902 }
1903
1904
1905
1906 // the utility function ShowWnd() is the same as show,
1907 // except it handles wxAuiMDIChildFrame windows as well,
1908 // as the Show() method on this class is "unplugged"
1909 static void ShowWnd(wxWindow* wnd, bool show)
1910 {
1911     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
1912     {
1913         wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
1914         cf->DoShow(show);
1915     }
1916      else
1917     {
1918         wnd->Show(show);
1919     }
1920 }
1921
1922
1923 // DoShowHide() this function shows the active window, then
1924 // hides all of the other windows (in that order)
1925 void wxAuiTabContainer::DoShowHide()
1926 {
1927     wxAuiNotebookPageArray& pages = GetPages();
1928     size_t i, page_count = pages.GetCount();
1929
1930     // show new active page first
1931     for (i = 0; i < page_count; ++i)
1932     {
1933         wxAuiNotebookPage& page = pages.Item(i);
1934         if (page.active)
1935         {
1936             ShowWnd(page.window, true);
1937             break;
1938         }
1939     }
1940
1941     // hide all other pages
1942     for (i = 0; i < page_count; ++i)
1943     {
1944         wxAuiNotebookPage& page = pages.Item(i);
1945         ShowWnd(page.window, page.active);
1946     }
1947 }
1948
1949
1950
1951
1952
1953
1954 // -- wxAuiTabCtrl class implementation --
1955
1956
1957
1958 BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
1959     EVT_PAINT(wxAuiTabCtrl::OnPaint)
1960     EVT_ERASE_BACKGROUND(wxAuiTabCtrl::OnEraseBackground)
1961     EVT_SIZE(wxAuiTabCtrl::OnSize)
1962     EVT_LEFT_DOWN(wxAuiTabCtrl::OnLeftDown)
1963     EVT_LEFT_UP(wxAuiTabCtrl::OnLeftUp)
1964     EVT_MOTION(wxAuiTabCtrl::OnMotion)
1965     EVT_LEAVE_WINDOW(wxAuiTabCtrl::OnLeaveWindow)
1966     EVT_AUINOTEBOOK_BUTTON(-1, wxAuiTabCtrl::OnButton)
1967 END_EVENT_TABLE()
1968
1969
1970 wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
1971                            wxWindowID id,
1972                            const wxPoint& pos,
1973                            const wxSize& size,
1974                            long style) : wxControl(parent, id, pos, size, style)
1975 {
1976     m_click_pt = wxDefaultPosition;
1977     m_is_dragging = false;
1978     m_hover_button = NULL;
1979     m_pressed_button = NULL;
1980 }
1981
1982 wxAuiTabCtrl::~wxAuiTabCtrl()
1983 {
1984 }
1985
1986 void wxAuiTabCtrl::OnPaint(wxPaintEvent&)
1987 {
1988     wxPaintDC dc(this);
1989
1990     dc.SetFont(GetFont());
1991
1992     if (GetPageCount() > 0)
1993         Render(&dc, this);
1994 }
1995
1996 void wxAuiTabCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(evt))
1997 {
1998 }
1999
2000 void wxAuiTabCtrl::OnSize(wxSizeEvent& evt)
2001 {
2002     wxSize s = evt.GetSize();
2003     wxRect r(0, 0, s.GetWidth(), s.GetHeight());
2004     SetRect(r);
2005 }
2006
2007 void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
2008 {
2009     CaptureMouse();
2010     m_click_pt = wxDefaultPosition;
2011     m_is_dragging = false;
2012     m_click_tab = NULL;
2013     m_pressed_button = NULL;
2014
2015
2016     wxWindow* wnd;
2017     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
2018     {
2019         int new_selection = GetIdxFromWindow(wnd);
2020
2021         if (new_selection != GetActivePage())
2022         {
2023             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2024             e.SetSelection(new_selection);
2025             e.SetOldSelection(GetActivePage());
2026             e.SetEventObject(this);
2027             GetEventHandler()->ProcessEvent(e);
2028         }
2029
2030         m_click_pt.x = evt.m_x;
2031         m_click_pt.y = evt.m_y;
2032         m_click_tab = wnd;
2033     }
2034
2035     if (m_hover_button)
2036     {
2037         m_pressed_button = m_hover_button;
2038         m_pressed_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
2039         Refresh();
2040         Update();
2041     }
2042 }
2043
2044 void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
2045 {
2046     if (GetCapture() == this)
2047         ReleaseMouse();
2048
2049     if (m_is_dragging)
2050     {
2051         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
2052         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2053         evt.SetOldSelection(evt.GetSelection());
2054         evt.SetEventObject(this);
2055         GetEventHandler()->ProcessEvent(evt);
2056         return;
2057     }
2058
2059     if (m_pressed_button)
2060     {
2061         // make sure we're still clicking the button
2062         wxAuiTabContainerButton* button = NULL;
2063         if (!ButtonHitTest(evt.m_x, evt.m_y, &button))
2064             return;
2065
2066         if (button != m_pressed_button)
2067         {
2068             m_pressed_button = NULL;
2069             return;
2070         }
2071
2072         Refresh();
2073         Update();
2074
2075         if (!(m_pressed_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2076         {
2077             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
2078             evt.SetInt(m_pressed_button->id);
2079             evt.SetEventObject(this);
2080             GetEventHandler()->ProcessEvent(evt);
2081         }
2082
2083         m_pressed_button = NULL;
2084     }
2085
2086     m_click_pt = wxDefaultPosition;
2087     m_is_dragging = false;
2088     m_click_tab = NULL;
2089 }
2090
2091 void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
2092 {
2093     wxPoint pos = evt.GetPosition();
2094
2095     // check if the mouse is hovering above a button
2096     wxAuiTabContainerButton* button;
2097     if (ButtonHitTest(pos.x, pos.y, &button))
2098     {
2099         if (m_hover_button && button != m_hover_button)
2100         {
2101             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2102             m_hover_button = NULL;
2103             Refresh();
2104             Update();
2105         }
2106
2107         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
2108         {
2109             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
2110             Refresh();
2111             Update();
2112             m_hover_button = button;
2113             return;
2114         }
2115     }
2116      else
2117     {
2118         if (m_hover_button)
2119         {
2120             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2121             m_hover_button = NULL;
2122             Refresh();
2123             Update();
2124         }
2125     }
2126
2127
2128     if (!evt.LeftIsDown() || m_click_pt == wxDefaultPosition)
2129         return;
2130
2131     if (m_is_dragging)
2132     {
2133         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, m_windowId);
2134         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2135         evt.SetOldSelection(evt.GetSelection());
2136         evt.SetEventObject(this);
2137         GetEventHandler()->ProcessEvent(evt);
2138         return;
2139     }
2140
2141
2142     int drag_x_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_X);
2143     int drag_y_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_Y);
2144
2145     if (abs(pos.x - m_click_pt.x) > drag_x_threshold ||
2146         abs(pos.y - m_click_pt.y) > drag_y_threshold)
2147     {
2148         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, m_windowId);
2149         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2150         evt.SetOldSelection(evt.GetSelection());
2151         evt.SetEventObject(this);
2152         GetEventHandler()->ProcessEvent(evt);
2153
2154         m_is_dragging = true;
2155     }
2156 }
2157
2158 void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
2159 {
2160     if (m_hover_button)
2161     {
2162         m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2163         m_hover_button = NULL;
2164         Refresh();
2165         Update();
2166     }
2167 }
2168
2169 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
2170 {
2171     int button = event.GetInt();
2172
2173     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
2174     {
2175         if (button == wxAUI_BUTTON_LEFT)
2176         {
2177             if (GetTabOffset() > 0)
2178             {
2179                 SetTabOffset(GetTabOffset()-1);
2180                 Refresh();
2181                 Update();
2182             }
2183         }
2184          else
2185         {
2186             SetTabOffset(GetTabOffset()+1);
2187             Refresh();
2188             Update();
2189         }
2190     }
2191      else if (button == wxAUI_BUTTON_WINDOWLIST)
2192     {
2193         wxArrayString as;
2194
2195         size_t i, page_count = m_pages.GetCount();
2196         for (i = 0; i < page_count; ++i)
2197         {
2198             wxAuiNotebookPage& page = m_pages.Item(i);
2199             as.Add(page.caption);
2200         }
2201
2202         int idx = GetArtProvider()->ShowWindowList(this, as, GetActivePage());
2203
2204         if (idx != -1)
2205         {
2206             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2207             e.SetSelection(idx);
2208             e.SetOldSelection(GetActivePage());
2209             e.SetEventObject(this);
2210             GetEventHandler()->ProcessEvent(e);
2211         }
2212     }
2213      else
2214     {
2215         event.Skip();
2216     }
2217 }
2218
2219 // wxTabFrame is an interesting case.  It's important that all child pages
2220 // of the multi-notebook control are all actually children of that control
2221 // (and not grandchildren).  wxTabFrame facilitates this.  There is one
2222 // instance of wxTabFrame for each tab control inside the multi-notebook.
2223 // It's important to know that wxTabFrame is not a real window, but it merely
2224 // used to capture the dimensions/positioning of the internal tab control and
2225 // it's managed page windows
2226
2227 class wxTabFrame : public wxWindow
2228 {
2229 public:
2230
2231     wxTabFrame()
2232     {
2233         m_tabs = NULL;
2234         m_rect = wxRect(0,0,200,200);
2235         m_tab_ctrl_height = 20;
2236     }
2237
2238     void SetTabCtrlHeight(int h)
2239     {
2240         m_tab_ctrl_height = h;
2241     }
2242
2243     void DoSetSize(int x, int y,
2244                    int width, int height,
2245                    int WXUNUSED(sizeFlags = wxSIZE_AUTO))
2246     {
2247         m_rect = wxRect(x, y, width, height);
2248         DoSizing();
2249     }
2250
2251     void DoGetClientSize(int* x, int* y) const
2252     {
2253         *x = m_rect.width;
2254         *y = m_rect.height;
2255     }
2256
2257     bool Show( bool WXUNUSED(show = true) ) { return false; }
2258
2259     void DoSizing()
2260     {
2261         if (!m_tabs)
2262             return;
2263
2264         m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2265         m_tabs->SetSize(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2266         m_tabs->SetRect(wxRect(0, 0, m_rect.width, m_tab_ctrl_height));
2267         m_tabs->Refresh();
2268         m_tabs->Update();
2269
2270         wxAuiNotebookPageArray& pages = m_tabs->GetPages();
2271         size_t i, page_count = pages.GetCount();
2272
2273         for (i = 0; i < page_count; ++i)
2274         {
2275             wxAuiNotebookPage& page = pages.Item(i);
2276             page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
2277                                  m_rect.width, m_rect.height - m_tab_ctrl_height);
2278
2279             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2280             {
2281                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
2282                 wnd->ApplyMDIChildFrameRect();
2283             }
2284         }
2285     }
2286
2287     void DoGetSize(int* x, int* y) const
2288     {
2289         if (x)
2290             *x = m_rect.GetWidth();
2291         if (y)
2292             *y = m_rect.GetHeight();
2293     }
2294
2295     void Update()
2296     {
2297         // does nothing
2298     }
2299
2300 public:
2301
2302     wxRect m_rect;
2303     wxRect m_tab_rect;
2304     wxAuiTabCtrl* m_tabs;
2305     int m_tab_ctrl_height;
2306 };
2307
2308
2309
2310
2311
2312 // -- wxAuiNotebook class implementation --
2313
2314 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
2315     //EVT_ERASE_BACKGROUND(wxAuiNotebook::OnEraseBackground)
2316     EVT_SIZE(wxAuiNotebook::OnSize)
2317     //EVT_LEFT_DOWN(wxAuiNotebook::OnLeftDown)
2318     EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocus)
2319     EVT_COMMAND_RANGE(10000, 10100,
2320                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
2321                       wxAuiNotebook::OnTabClicked)
2322     EVT_COMMAND_RANGE(10000, 10100,
2323                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
2324                       wxAuiNotebook::OnTabBeginDrag)
2325     EVT_COMMAND_RANGE(10000, 10100,
2326                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
2327                       wxAuiNotebook::OnTabEndDrag)
2328     EVT_COMMAND_RANGE(10000, 10100,
2329                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
2330                       wxAuiNotebook::OnTabDragMotion)
2331     EVT_COMMAND_RANGE(10000, 10100,
2332                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
2333                       wxAuiNotebook::OnTabButton)
2334 END_EVENT_TABLE()
2335
2336 wxAuiNotebook::wxAuiNotebook()
2337 {
2338     m_curpage = -1;
2339     m_tab_id_counter = 10000;
2340     m_dummy_wnd = NULL;
2341     m_tab_ctrl_height = 20;
2342     m_requested_bmp_size = wxDefaultSize;
2343     m_requested_tabctrl_height = -1;
2344 }
2345
2346 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
2347                              wxWindowID id,
2348                              const wxPoint& pos,
2349                              const wxSize& size,
2350                              long style) : wxControl(parent, id, pos, size, style)
2351 {
2352     m_dummy_wnd = NULL;
2353     m_requested_bmp_size = wxDefaultSize;
2354     m_requested_tabctrl_height = -1;
2355     InitNotebook(style);
2356 }
2357
2358 bool wxAuiNotebook::Create(wxWindow* parent,
2359                            wxWindowID id,
2360                            const wxPoint& pos,
2361                            const wxSize& size,
2362                            long style)
2363 {
2364     if (!wxControl::Create(parent, id, pos, size, style))
2365         return false;
2366
2367     InitNotebook(style);
2368
2369     return true;
2370 }
2371
2372 // InitNotebook() contains common initialization
2373 // code called by all constructors
2374 void wxAuiNotebook::InitNotebook(long style)
2375 {
2376     m_curpage = -1;
2377     m_tab_id_counter = 10000;
2378     m_dummy_wnd = NULL;
2379     m_flags = (unsigned int)style;
2380     m_tab_ctrl_height = 20;
2381
2382     m_normal_font = *wxNORMAL_FONT;
2383     m_selected_font = *wxNORMAL_FONT;
2384     m_selected_font.SetWeight(wxBOLD);
2385
2386     SetArtProvider(new wxAuiDefaultTabArt);
2387
2388     m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
2389     m_dummy_wnd->SetSize(200, 200);
2390     m_dummy_wnd->Show(false);
2391
2392     m_mgr.SetManagedWindow(this);
2393     m_mgr.SetFlags(wxAUI_MGR_DEFAULT | (1 << 28) /*wxAUI_MGR_NO_DOCK_SIZE_LIMIT*/);
2394
2395     m_mgr.AddPane(m_dummy_wnd,
2396               wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
2397
2398     m_mgr.Update();
2399 }
2400
2401 wxAuiNotebook::~wxAuiNotebook()
2402 {
2403     m_mgr.UnInit();
2404 }
2405
2406 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
2407 {
2408     m_tabs.SetArtProvider(art);
2409
2410     UpdateTabCtrlHeight();
2411 }
2412
2413 // SetTabCtrlHeight() is the highest-level override of the
2414 // tab height.  A call to this function effectively enforces a
2415 // specified tab ctrl height, overriding all other considerations,
2416 // such as text or bitmap height.  It overrides any call to
2417 // SetUniformBitmapSize().  Specifying a height of -1 reverts
2418 // any previous call and returns to the default behavior
2419
2420 void wxAuiNotebook::SetTabCtrlHeight(int height)
2421 {
2422     m_requested_tabctrl_height = height;
2423
2424     // if window is already initialized, recalculate the tab height
2425     if (m_dummy_wnd)
2426     {
2427         UpdateTabCtrlHeight();
2428     }
2429 }
2430
2431
2432 // SetUniformBitmapSize() ensures that all tabs will have
2433 // the same height, even if some tabs don't have bitmaps
2434 // Passing wxDefaultSize to this function will instruct
2435 // the control to use dynamic tab height-- so when a tab
2436 // with a large bitmap is added, the tab ctrl's height will
2437 // automatically increase to accommodate the bitmap
2438
2439 void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
2440 {
2441     m_requested_bmp_size = size;
2442
2443     // if window is already initialized, recalculate the tab height
2444     if (m_dummy_wnd)
2445     {
2446         UpdateTabCtrlHeight();
2447     }
2448 }
2449
2450 // UpdateTabCtrlHeight() does the actual tab resizing. It's meant
2451 // to be used interally
2452 void wxAuiNotebook::UpdateTabCtrlHeight()
2453 {
2454     // get the tab ctrl height we will use
2455     int height = CalculateTabCtrlHeight();
2456
2457     // if the tab control height needs to change, update
2458     // all of our tab controls with the new height
2459     if (m_tab_ctrl_height != height)
2460     {
2461         wxAuiTabArt* art = m_tabs.GetArtProvider();
2462
2463         m_tab_ctrl_height = height;
2464
2465         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2466         size_t i, pane_count = all_panes.GetCount();
2467         for (i = 0; i < pane_count; ++i)
2468         {
2469             wxAuiPaneInfo& pane = all_panes.Item(i);
2470             if (pane.name == wxT("dummy"))
2471                 continue;
2472             wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2473             wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2474             tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
2475             tabctrl->SetArtProvider(art->Clone());
2476             tab_frame->DoSizing();
2477         }
2478     }
2479 }
2480
2481 void wxAuiNotebook::UpdateHintWindowSize()
2482 {
2483     wxSize size = CalculateNewSplitSize();
2484
2485     // the placeholder hint window should be set to this size
2486     wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
2487     if (info.IsOk())
2488     {
2489         info.MinSize(size);
2490         info.BestSize(size);
2491         m_dummy_wnd->SetSize(size);
2492     }
2493 }
2494
2495
2496 // calculates the size of the new split
2497 wxSize wxAuiNotebook::CalculateNewSplitSize()
2498 {
2499     // count number of tab controls
2500     int tab_ctrl_count = 0;
2501     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2502     size_t i, pane_count = all_panes.GetCount();
2503     for (i = 0; i < pane_count; ++i)
2504     {
2505         wxAuiPaneInfo& pane = all_panes.Item(i);
2506         if (pane.name == wxT("dummy"))
2507             continue;
2508         tab_ctrl_count++;
2509     }
2510
2511     wxSize new_split_size;
2512
2513     // if there is only one tab control, the first split
2514     // should happen around the middle
2515     if (tab_ctrl_count < 2)
2516     {
2517         new_split_size = GetClientSize();
2518         new_split_size.x /= 2;
2519         new_split_size.y /= 2;
2520     }
2521      else
2522     {
2523         // this is in place of a more complicated calculation
2524         // that needs to be implemented
2525         new_split_size = wxSize(180,180);
2526     }
2527
2528     return new_split_size;
2529 }
2530
2531 int wxAuiNotebook::CalculateTabCtrlHeight()
2532 {
2533     // if a fixed tab ctrl height is specified,
2534     // just return that instead of calculating a
2535     // tab height
2536     if (m_requested_tabctrl_height != -1)
2537         return m_requested_tabctrl_height;
2538
2539     // find out new best tab height
2540     wxAuiTabArt* art = m_tabs.GetArtProvider();
2541
2542     return art->GetBestTabCtrlSize(this,
2543                                    m_tabs.GetPages(),
2544                                    m_requested_bmp_size);
2545 }
2546
2547
2548 wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
2549 {
2550     return m_tabs.GetArtProvider();
2551 }
2552
2553 void wxAuiNotebook::SetWindowStyleFlag(long style)
2554 {
2555     wxControl::SetWindowStyleFlag(style);
2556
2557     m_flags = (unsigned int)style;
2558
2559     // if the control is already initialized
2560     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
2561     {
2562         // let all of the tab children know about the new style
2563
2564         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2565         size_t i, pane_count = all_panes.GetCount();
2566         for (i = 0; i < pane_count; ++i)
2567         {
2568             wxAuiPaneInfo& pane = all_panes.Item(i);
2569             if (pane.name == wxT("dummy"))
2570                 continue;
2571             wxTabFrame* tabframe = (wxTabFrame*)pane.window;
2572             wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
2573             tabctrl->SetFlags(m_flags);
2574             tabframe->DoSizing();
2575             tabctrl->Refresh();
2576             tabctrl->Update();
2577         }
2578     }
2579 }
2580
2581
2582 bool wxAuiNotebook::AddPage(wxWindow* page,
2583                             const wxString& caption,
2584                             bool select,
2585                             const wxBitmap& bitmap)
2586 {
2587     return InsertPage(GetPageCount(), page, caption, select, bitmap);
2588 }
2589
2590 bool wxAuiNotebook::InsertPage(size_t page_idx,
2591                                wxWindow* page,
2592                                const wxString& caption,
2593                                bool select,
2594                                const wxBitmap& bitmap)
2595 {
2596     wxAuiNotebookPage info;
2597     info.window = page;
2598     info.caption = caption;
2599     info.bitmap = bitmap;
2600     info.active = false;
2601
2602     // if there are currently no tabs, the first added
2603     // tab must be active
2604     if (m_tabs.GetPageCount() == 0)
2605         info.active = true;
2606
2607     m_tabs.InsertPage(page, info, page_idx);
2608
2609     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
2610     if (page_idx >= active_tabctrl->GetPageCount())
2611         active_tabctrl->AddPage(page, info);
2612          else
2613         active_tabctrl->InsertPage(page, info, page_idx);
2614
2615     UpdateTabCtrlHeight();
2616     DoSizing();
2617     active_tabctrl->DoShowHide();
2618
2619     if (select)
2620     {
2621         int idx = m_tabs.GetIdxFromWindow(page);
2622         wxASSERT_MSG(idx != -1, wxT("Invalid Page index returned on wxAuiNotebook::InsertPage()"));
2623
2624         SetSelection(idx);
2625     }
2626
2627     return true;
2628 }
2629
2630
2631 // DeletePage() removes a tab from the multi-notebook,
2632 // and destroys the window as well
2633 bool wxAuiNotebook::DeletePage(size_t page_idx)
2634 {
2635     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
2636
2637     if (!RemovePage(page_idx))
2638         return false;
2639
2640     // actually destroy the window now
2641     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2642     {
2643         // delete the child frame with pending delete, as is
2644         // customary with frame windows
2645         if (!wxPendingDelete.Member(wnd))
2646             wxPendingDelete.Append(wnd);
2647     }
2648      else
2649     {
2650         wnd->Destroy();
2651     }
2652
2653     return true;
2654 }
2655
2656
2657
2658 // RemovePage() removes a tab from the multi-notebook,
2659 // but does not destroy the window
2660 bool wxAuiNotebook::RemovePage(size_t page_idx)
2661 {
2662     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
2663     wxWindow* new_active = NULL;
2664
2665     // find out which onscreen tab ctrl owns this tab
2666     wxAuiTabCtrl* ctrl;
2667     int ctrl_idx;
2668     if (!FindTab(wnd, &ctrl, &ctrl_idx))
2669         return false;
2670
2671     // find a new page and set it as active
2672     int new_idx = ctrl_idx+1;
2673     if (new_idx >= (int)ctrl->GetPageCount())
2674         new_idx = ctrl_idx-1;
2675
2676     if (new_idx >= 0 && new_idx < (int)ctrl->GetPageCount())
2677     {
2678         new_active = ctrl->GetWindowFromIdx(new_idx);
2679     }
2680      else
2681     {
2682         // set the active page to the first page that
2683         // isn't the one being deleted
2684         size_t i, page_count = m_tabs.GetPageCount();
2685         for (i = 0; i < page_count; ++i)
2686         {
2687             wxWindow* w = m_tabs.GetWindowFromIdx(i);
2688             if (wnd != w)
2689             {
2690                 new_active = m_tabs.GetWindowFromIdx(i);
2691                 break;
2692             }
2693         }
2694     }
2695
2696     // remove the tab from main catalog
2697     if (!m_tabs.RemovePage(wnd))
2698         return false;
2699
2700     // remove the tab from the onscreen tab ctrl
2701     ctrl->RemovePage(wnd);
2702
2703
2704     RemoveEmptyTabFrames();
2705
2706     // set new active pane
2707     if (new_active)
2708     {
2709         m_curpage = -1;
2710         SetSelection(m_tabs.GetIdxFromWindow(new_active));
2711     }
2712
2713     return true;
2714 }
2715
2716 // GetPageIndex() returns the index of the page, or -1 if the
2717 // page could not be located in the notebook
2718 int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
2719 {
2720     return m_tabs.GetIdxFromWindow(page_wnd);
2721 }
2722
2723
2724
2725 // SetPageText() changes the tab caption of the specified page
2726 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
2727 {
2728     if (page_idx >= m_tabs.GetPageCount())
2729         return false;
2730
2731     // update our own tab catalog
2732     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
2733     page_info.caption = text;
2734
2735     // update what's on screen
2736     wxAuiTabCtrl* ctrl;
2737     int ctrl_idx;
2738     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
2739     {
2740         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
2741         info.caption = text;
2742         ctrl->Refresh();
2743         ctrl->Update();
2744     }
2745
2746     return true;
2747 }
2748
2749
2750 bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
2751 {
2752     if (page_idx >= m_tabs.GetPageCount())
2753         return false;
2754
2755     // update our own tab catalog
2756     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
2757     page_info.bitmap = bitmap;
2758
2759     // tab height might have changed
2760     UpdateTabCtrlHeight();
2761
2762     // update what's on screen
2763     wxAuiTabCtrl* ctrl;
2764     int ctrl_idx;
2765     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
2766     {
2767         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
2768         info.bitmap = bitmap;
2769         ctrl->Refresh();
2770         ctrl->Update();
2771     }
2772
2773     return true;
2774 }
2775
2776
2777 // GetSelection() returns the index of the currently active page
2778 int wxAuiNotebook::GetSelection() const
2779 {
2780     return m_curpage;
2781 }
2782
2783 // SetSelection() sets the currently active page
2784 size_t wxAuiNotebook::SetSelection(size_t new_page)
2785 {
2786     wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
2787     if (!wnd)
2788         return m_curpage;
2789
2790     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2791     evt.SetSelection(new_page);
2792     evt.SetOldSelection(m_curpage);
2793     evt.SetEventObject(this);
2794     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
2795     {
2796         int old_curpage = m_curpage;
2797         m_curpage = new_page;
2798
2799         // program allows the page change
2800         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
2801         (void)GetEventHandler()->ProcessEvent(evt);
2802
2803
2804         wxAuiTabCtrl* ctrl;
2805         int ctrl_idx;
2806         if (FindTab(wnd, &ctrl, &ctrl_idx))
2807         {
2808             m_tabs.SetActivePage(wnd);
2809
2810             ctrl->SetActivePage(ctrl_idx);
2811             DoSizing();
2812             ctrl->DoShowHide();
2813
2814
2815
2816             // set fonts
2817             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2818             size_t i, pane_count = all_panes.GetCount();
2819             for (i = 0; i < pane_count; ++i)
2820             {
2821                 wxAuiPaneInfo& pane = all_panes.Item(i);
2822                 if (pane.name == wxT("dummy"))
2823                     continue;
2824                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
2825                 if (tabctrl != ctrl)
2826                     tabctrl->SetSelectedFont(m_normal_font);
2827                      else
2828                     tabctrl->SetSelectedFont(m_selected_font);
2829                 tabctrl->Refresh();
2830             }
2831
2832             wnd->SetFocus();
2833
2834             return old_curpage;
2835         }
2836     }
2837
2838     return m_curpage;
2839 }
2840
2841 // GetPageCount() returns the total number of
2842 // pages managed by the multi-notebook
2843 size_t wxAuiNotebook::GetPageCount() const
2844 {
2845     return m_tabs.GetPageCount();
2846 }
2847
2848 // GetPage() returns the wxWindow pointer of the
2849 // specified page
2850 wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
2851 {
2852     wxASSERT(page_idx < m_tabs.GetPageCount());
2853
2854     return m_tabs.GetWindowFromIdx(page_idx);
2855 }
2856
2857 // DoSizing() performs all sizing operations in each tab control
2858 void wxAuiNotebook::DoSizing()
2859 {
2860     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2861     size_t i, pane_count = all_panes.GetCount();
2862     for (i = 0; i < pane_count; ++i)
2863     {
2864         if (all_panes.Item(i).name == wxT("dummy"))
2865             continue;
2866
2867         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
2868         tabframe->DoSizing();
2869     }
2870 }
2871
2872 // GetActiveTabCtrl() returns the active tab control.  It is
2873 // called to determine which control gets new windows being added
2874 wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
2875 {
2876     if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
2877     {
2878         wxAuiTabCtrl* ctrl;
2879         int idx;
2880
2881         // find the tab ctrl with the current page
2882         if (FindTab(m_tabs.GetPage(m_curpage).window,
2883                     &ctrl, &idx))
2884         {
2885             return ctrl;
2886         }
2887     }
2888
2889     // no current page, just find the first tab ctrl
2890     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2891     size_t i, pane_count = all_panes.GetCount();
2892     for (i = 0; i < pane_count; ++i)
2893     {
2894         if (all_panes.Item(i).name == wxT("dummy"))
2895             continue;
2896
2897         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
2898         return tabframe->m_tabs;
2899     }
2900
2901     // If there is no tabframe at all, create one
2902     wxTabFrame* tabframe = new wxTabFrame;
2903     tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
2904     tabframe->m_tabs = new wxAuiTabCtrl(this,
2905                                         m_tab_id_counter++,
2906                                         wxDefaultPosition,
2907                                         wxDefaultSize,
2908                                         wxNO_BORDER);
2909     tabframe->m_tabs->SetFlags(m_flags);
2910     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
2911     m_mgr.AddPane(tabframe,
2912                   wxAuiPaneInfo().Center().CaptionVisible(false));
2913
2914     m_mgr.Update();
2915
2916     return tabframe->m_tabs;
2917 }
2918
2919 // FindTab() finds the tab control that currently contains the window as well
2920 // as the index of the window in the tab control.  It returns true if the
2921 // window was found, otherwise false.
2922 bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
2923 {
2924     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2925     size_t i, pane_count = all_panes.GetCount();
2926     for (i = 0; i < pane_count; ++i)
2927     {
2928         if (all_panes.Item(i).name == wxT("dummy"))
2929             continue;
2930
2931         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
2932
2933         int page_idx = tabframe->m_tabs->GetIdxFromWindow(page);
2934         if (page_idx != -1)
2935         {
2936             *ctrl = tabframe->m_tabs;
2937             *idx = page_idx;
2938             return true;
2939         }
2940     }
2941
2942     return false;
2943 }
2944
2945
2946 void wxAuiNotebook::OnEraseBackground(wxEraseEvent&)
2947 {
2948 }
2949
2950 void wxAuiNotebook::OnSize(wxSizeEvent& evt)
2951 {
2952     UpdateHintWindowSize();
2953
2954     evt.Skip();
2955 }
2956
2957 void wxAuiNotebook::OnTabClicked(wxCommandEvent& command_evt)
2958 {
2959     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
2960
2961     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
2962     wxASSERT(ctrl != NULL);
2963
2964     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
2965     wxASSERT(wnd != NULL);
2966
2967     int idx = m_tabs.GetIdxFromWindow(wnd);
2968     wxASSERT(idx != -1);
2969
2970     SetSelection(idx);
2971 }
2972
2973 void wxAuiNotebook::OnTabBeginDrag(wxCommandEvent&)
2974 {
2975     m_last_drag_x = 0;
2976 }
2977
2978 void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
2979 {
2980     wxPoint screen_pt = ::wxGetMousePosition();
2981     wxPoint client_pt = ScreenToClient(screen_pt);
2982     wxPoint zero(0,0);
2983
2984     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
2985     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
2986
2987     if (dest_tabs == src_tabs)
2988     {
2989         if (src_tabs)
2990         {
2991             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
2992         }
2993
2994         // always hide the hint for inner-tabctrl drag
2995         m_mgr.HideHint();
2996
2997         // if tab moving is not allowed, leave
2998         if (!(m_flags & wxAUI_NB_TAB_MOVE))
2999         {
3000             return;
3001         }
3002
3003         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
3004         wxWindow* dest_location_tab;
3005
3006         // this is an inner-tab drag/reposition
3007         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
3008         {
3009             int src_idx = evt.GetSelection();
3010             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
3011
3012             // prevent jumpy drag
3013             if ((src_idx == dest_idx) || dest_idx == -1 ||
3014                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
3015                 (src_idx < dest_idx && m_last_drag_x >= pt.x))
3016             {
3017                 m_last_drag_x = pt.x;
3018                 return;
3019             }
3020
3021
3022             wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
3023             dest_tabs->MovePage(src_tab, dest_idx);
3024             dest_tabs->SetActivePage((size_t)dest_idx);
3025             dest_tabs->DoShowHide();
3026             dest_tabs->Refresh();
3027             m_last_drag_x = pt.x;
3028
3029         }
3030
3031         return;
3032     }
3033
3034
3035     // if external drag is allowed, check if the tab is being dragged
3036     // over a different wxAuiNotebook control
3037     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3038     {
3039         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
3040
3041         // if we aren't over any window, stop here
3042         if (!tab_ctrl)
3043             return;
3044
3045         // make sure we are not over the hint window
3046         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
3047         {
3048             while (tab_ctrl)
3049             {
3050                 if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3051                     break;
3052                 tab_ctrl = tab_ctrl->GetParent();
3053             }
3054
3055             if (tab_ctrl)
3056             {
3057                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3058
3059                 if (nb != this)
3060                 {
3061                     wxRect hint_rect = tab_ctrl->GetClientRect();
3062                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
3063                     m_mgr.ShowHint(hint_rect);
3064                     return;
3065                 }
3066             }
3067         }
3068          else
3069         {
3070             if (!dest_tabs)
3071             {
3072                 // we are either over a hint window, or not over a tab
3073                 // window, and there is no where to drag to, so exit
3074                 return;
3075             }
3076         }
3077     }
3078
3079
3080     // if there are less than two panes, split can't happen, so leave
3081     if (m_tabs.GetPageCount() < 2)
3082         return;
3083
3084     // if tab moving is not allowed, leave
3085     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
3086         return;
3087
3088
3089     if (src_tabs)
3090     {
3091         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
3092     }
3093
3094
3095     if (dest_tabs)
3096     {
3097         wxRect hint_rect = dest_tabs->GetRect();
3098         ClientToScreen(&hint_rect.x, &hint_rect.y);
3099         m_mgr.ShowHint(hint_rect);
3100     }
3101      else
3102     {
3103         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
3104     }
3105 }
3106
3107
3108
3109 void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
3110 {
3111     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
3112
3113     m_mgr.HideHint();
3114
3115
3116     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3117     wxAuiTabCtrl* dest_tabs = NULL;
3118     if (src_tabs)
3119     {
3120         // set cursor back to an arrow
3121         src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3122     }
3123
3124     // get the mouse position, which will be used to determine the drop point
3125     wxPoint mouse_screen_pt = ::wxGetMousePosition();
3126     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
3127
3128
3129
3130     // check for an external move
3131     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3132     {
3133         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
3134
3135         while (tab_ctrl)
3136         {
3137             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3138                 break;
3139             tab_ctrl = tab_ctrl->GetParent();
3140         }
3141
3142         if (tab_ctrl)
3143         {
3144             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3145
3146             if (nb != this)
3147             {
3148                 // find out from the destination control
3149                 // if it's ok to drop this tab here
3150                 wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
3151                 e.SetSelection(evt.GetSelection());
3152                 e.SetOldSelection(evt.GetSelection());
3153                 e.SetEventObject(this);
3154                 e.SetDragSource(this);
3155                 e.Veto(); // dropping must be explicitly approved by control owner
3156
3157                 nb->GetEventHandler()->ProcessEvent(e);
3158
3159                 if (!e.IsAllowed())
3160                 {
3161                     // no answer or negative answer
3162                     m_mgr.HideHint();
3163                     return;
3164                 }
3165
3166                 // drop was allowed
3167                 int src_idx = evt.GetSelection();
3168                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
3169
3170                 // get main index of the page
3171                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
3172
3173                 // make a copy of the page info
3174                 wxAuiNotebookPage page_info = m_tabs.GetPage((size_t)main_idx);
3175
3176                 // remove the page from the source notebook
3177                 RemovePage(main_idx);
3178
3179                 // reparent the page
3180                 src_page->Reparent(nb);
3181
3182
3183                 // found out the insert idx
3184                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
3185                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3186
3187                 wxWindow* target = NULL;
3188                 int insert_idx = -1;
3189                 dest_tabs->TabHitTest(pt.x, pt.y, &target);
3190                 if (target)
3191                 {
3192                     insert_idx = dest_tabs->GetIdxFromWindow(target);
3193                 }
3194
3195
3196                 // add the page to the new notebook
3197                 if (insert_idx == -1)
3198                     insert_idx = dest_tabs->GetPageCount();
3199                 dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3200                 nb->m_tabs.AddPage(page_info.window, page_info);
3201
3202                 nb->DoSizing();
3203                 dest_tabs->DoShowHide();
3204                 dest_tabs->Refresh();
3205
3206                 // set the selection in the destination tab control
3207                 nb->SetSelection(nb->m_tabs.GetIdxFromWindow(page_info.window));
3208
3209                 return;
3210             }
3211         }
3212     }
3213
3214
3215
3216
3217     // only perform a tab split if it's allowed
3218     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
3219     {
3220         // If the pointer is in an existing tab frame, do a tab insert
3221         wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
3222         wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
3223         int insert_idx = -1;
3224         if (tab_frame)
3225         {
3226             dest_tabs = tab_frame->m_tabs;
3227
3228             if (dest_tabs == src_tabs)
3229                 return;
3230
3231
3232             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3233             wxWindow* target = NULL;
3234             dest_tabs->TabHitTest(pt.x, pt.y, &target);
3235             if (target)
3236             {
3237                 insert_idx = dest_tabs->GetIdxFromWindow(target);
3238             }
3239         }
3240          else
3241         {
3242             wxPoint zero(0,0);
3243             wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
3244                                                   mouse_client_pt,
3245                                                   zero);
3246             if (rect.IsEmpty())
3247             {
3248                 // there is no suitable drop location here, exit out
3249                 return;
3250             }
3251
3252             // If there is no tabframe at all, create one
3253             wxTabFrame* new_tabs = new wxTabFrame;
3254             new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
3255             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3256             new_tabs->m_tabs = new wxAuiTabCtrl(this,
3257                                                 m_tab_id_counter++,
3258                                                 wxDefaultPosition,
3259                                                 wxDefaultSize,
3260                                                 wxNO_BORDER);
3261             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3262             new_tabs->m_tabs->SetFlags(m_flags);
3263
3264             m_mgr.AddPane(new_tabs,
3265                           wxAuiPaneInfo().Bottom().CaptionVisible(false),
3266                           mouse_client_pt);
3267             m_mgr.Update();
3268             dest_tabs = new_tabs->m_tabs;
3269         }
3270
3271
3272
3273         // remove the page from the source tabs
3274         wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
3275         page_info.active = false;
3276         src_tabs->RemovePage(page_info.window);
3277         if (src_tabs->GetPageCount() > 0)
3278         {
3279             src_tabs->SetActivePage((size_t)0);
3280             src_tabs->DoShowHide();
3281             src_tabs->Refresh();
3282         }
3283
3284
3285
3286         // add the page to the destination tabs
3287         if (insert_idx == -1)
3288             insert_idx = dest_tabs->GetPageCount();
3289         dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3290
3291         if (src_tabs->GetPageCount() == 0)
3292         {
3293             RemoveEmptyTabFrames();
3294         }
3295
3296         DoSizing();
3297         dest_tabs->DoShowHide();
3298         dest_tabs->Refresh();
3299
3300         SetSelection(m_tabs.GetIdxFromWindow(page_info.window));
3301
3302         UpdateHintWindowSize();
3303     }
3304 }
3305
3306
3307
3308 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
3309 {
3310     // if we've just removed the last tab from the source
3311     // tab set, the remove the tab control completely
3312     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3313     size_t i, pane_count = all_panes.GetCount();
3314     for (i = 0; i < pane_count; ++i)
3315     {
3316         if (all_panes.Item(i).name == wxT("dummy"))
3317             continue;
3318
3319         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3320         if (tabframe->m_tab_rect.Contains(pt))
3321             return tabframe->m_tabs;
3322     }
3323
3324     return NULL;
3325 }
3326
3327 wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
3328 {
3329     // if we've just removed the last tab from the source
3330     // tab set, the remove the tab control completely
3331     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3332     size_t i, pane_count = all_panes.GetCount();
3333     for (i = 0; i < pane_count; ++i)
3334     {
3335         if (all_panes.Item(i).name == wxT("dummy"))
3336             continue;
3337
3338         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3339         if (tabframe->m_tabs == tab_ctrl)
3340         {
3341             return tabframe;
3342         }
3343     }
3344
3345     return NULL;
3346 }
3347
3348 void wxAuiNotebook::RemoveEmptyTabFrames()
3349 {
3350     // if we've just removed the last tab from the source
3351     // tab set, the remove the tab control completely
3352     wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
3353     size_t i, pane_count = all_panes.GetCount();
3354     for (i = 0; i < pane_count; ++i)
3355     {
3356         if (all_panes.Item(i).name == wxT("dummy"))
3357             continue;
3358
3359         wxTabFrame* tab_frame = (wxTabFrame*)all_panes.Item(i).window;
3360         if (tab_frame->m_tabs->GetPageCount() == 0)
3361         {
3362             m_mgr.DetachPane(tab_frame);
3363
3364             // use pending delete because sometimes during
3365             // window closing, refreshs are pending
3366             if (!wxPendingDelete.Member(tab_frame->m_tabs))
3367                 wxPendingDelete.Append(tab_frame->m_tabs);
3368             //tab_frame->m_tabs->Destroy();
3369
3370             delete tab_frame;
3371         }
3372     }
3373
3374
3375     // check to see if there is still a center pane;
3376     // if there isn't, make a frame the center pane
3377     wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
3378     pane_count = panes.GetCount();
3379     wxWindow* first_good = NULL;
3380     bool center_found = false;
3381     for (i = 0; i < pane_count; ++i)
3382     {
3383         if (panes.Item(i).name == wxT("dummy"))
3384             continue;
3385         if (panes.Item(i).dock_direction == wxAUI_DOCK_CENTRE)
3386             center_found = true;
3387         if (!first_good)
3388             first_good = panes.Item(i).window;
3389     }
3390
3391     if (!center_found && first_good)
3392     {
3393         m_mgr.GetPane(first_good).Centre();
3394     }
3395
3396     m_mgr.Update();
3397 }
3398
3399 void wxAuiNotebook::OnChildFocus(wxChildFocusEvent& evt)
3400 {
3401     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
3402     if (idx != -1 && idx != m_curpage)
3403     {
3404         SetSelection(idx);
3405     }
3406 }
3407
3408
3409 void wxAuiNotebook::OnTabButton(wxCommandEvent& command_evt)
3410 {
3411     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
3412     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3413
3414     int button_id = evt.GetInt();
3415
3416     if (button_id == wxAUI_BUTTON_CLOSE)
3417     {
3418         int selection = tabs->GetActivePage();
3419
3420         if (selection != -1)
3421         {
3422             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
3423
3424
3425             // ask owner if it's ok to close the tab
3426             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
3427             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
3428             e.SetOldSelection(evt.GetSelection());
3429             e.SetEventObject(this);
3430             GetEventHandler()->ProcessEvent(e);
3431             if (!e.IsAllowed())
3432                 return;
3433
3434
3435             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
3436             {
3437                 close_wnd->Close();
3438             }
3439              else
3440             {
3441                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
3442                 DeletePage(main_idx);
3443             }
3444         }
3445     }
3446 }
3447
3448
3449
3450
3451 #endif // wxUSE_AUI