src/aui/auibook.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/aui/auibook.cpp
   3 // Purpose:     wxaui: wx advanced user interface - notebook
   4 // Author:      Benjamin I. Williams
   5 // Modified by:
   6 // Created:     2006-06-28
   7 // Copyright:   (C) Copyright 2006, Kirix Corporation, All Rights Reserved
   8 // Licence:     wxWindows Library Licence, Version 3.1
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ----------------------------------------------------------------------------
  12 // headers
  13 // ----------------------------------------------------------------------------
  14
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #if wxUSE_AUI
  22
  23 #include "wx/aui/auibook.h"
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/settings.h"
  27     #include "wx/image.h"
  28     #include "wx/menu.h"
  29 #endif
  30
  31 #include "wx/aui/tabmdi.h"
  32 #include "wx/dcbuffer.h"
  33
  34 #ifdef __WXMAC__
  35 #include "wx/mac/carbon/private.h"
  36 #endif
  37
  38 #include "wx/arrimpl.cpp"
  39 WX_DEFINE_OBJARRAY(wxAuiNotebookPageArray)
  40 WX_DEFINE_OBJARRAY(wxAuiTabContainerButtonArray)
  41
  42 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE)
  43 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING)
  44 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED)
  45 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_BUTTON)
  46 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG)
  47 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG)
  48 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION)
  49 DEFINE_EVENT_TYPE(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND)
  50
  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     // the base_colour is too pale to use as our base colour,
 197     // so darken it a bit --
 198     if ((255-base_colour.Red()) +
 199         (255-base_colour.Green()) +
 200         (255-base_colour.Blue()) < 60)
 201     {
 202         base_colour = wxAuiStepColour(base_colour, 92);
 203     }
 204
 205     m_base_colour = base_colour;
 206     wxColor border_colour = wxAuiStepColour(base_colour, 75);
 207
 208     m_border_pen = wxPen(border_colour);
 209     m_base_colour_pen = wxPen(m_base_colour);
 210     m_base_colour_brush = wxBrush(m_base_colour);
 211
 212     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 213     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 214
 215     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 216     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 217
 218     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 219     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 220
 221     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 222     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 223
 224     m_flags = 0;
 225 }
 226
 227 wxAuiDefaultTabArt::~wxAuiDefaultTabArt()
 228 {
 229 }
 230
 231 wxAuiTabArt* wxAuiDefaultTabArt::Clone()
 232 {
 233     return static_cast<wxAuiTabArt*>(new wxAuiDefaultTabArt);
 234 }
 235
 236 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
 237 {
 238     m_flags = flags;
 239 }
 240
 241 void wxAuiDefaultTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 242                                        size_t tab_count)
 243 {
 244     m_fixed_tab_width = 100;
 245
 246     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 247
 248     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 249         tot_width -= m_active_close_bmp.GetWidth();
 250     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 251         tot_width -= m_active_windowlist_bmp.GetWidth();
 252
 253     if (tab_count > 0)
 254     {
 255         m_fixed_tab_width = tot_width/(int)tab_count;
 256     }
 257
 258
 259     if (m_fixed_tab_width < 100)
 260         m_fixed_tab_width = 100;
 261
 262     if (m_fixed_tab_width > tot_width/2)
 263         m_fixed_tab_width = tot_width/2;
 264
 265     if (m_fixed_tab_width > 220)
 266         m_fixed_tab_width = 220;
 267
 268     m_tab_ctrl_height = tab_ctrl_size.y;
 269 }
 270
 271
 272 void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
 273                                         wxWindow* WXUNUSED(wnd),
 274                                         const wxRect& rect)
 275 {
 276     // draw background
 277     wxRect r(rect.x, rect.y, rect.width+2, rect.height-3);
 278     wxColor top_color = wxAuiStepColour(m_base_colour, 90);
 279     wxColor bottom_color = wxAuiStepColour(m_base_colour, 170);
 280     dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 281
 282     // draw base lines
 283     int y = rect.GetHeight();
 284     int w = rect.GetWidth();
 285     dc.SetPen(m_border_pen);
 286     dc.SetBrush(m_base_colour_brush);
 287     dc.DrawRectangle(-1, y-4, w+2, 4);
 288 }
 289
 290
 291 // DrawTab() draws an individual tab.
 292 //
 293 // dc       - output dc
 294 // in_rect  - rectangle the tab should be confined to
 295 // caption  - tab's caption
 296 // active   - whether or not the tab is active
 297 // out_rect - actual output rectangle
 298 // x_extent - the advance x; where the next tab should start
 299
 300 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
 301                                  wxWindow* wnd,
 302                                  const wxAuiNotebookPage& page,
 303                                  const wxRect& in_rect,
 304                                  int close_button_state,
 305                                  wxRect* out_tab_rect,
 306                                  wxRect* out_button_rect,
 307                                  int* x_extent)
 308 {
 309     wxCoord normal_textx, normal_texty;
 310     wxCoord selected_textx, selected_texty;
 311     wxCoord textx, texty;
 312
 313     // if the caption is empty, measure some temporary text
 314     wxString caption = page.caption;
 315     if (caption.empty())
 316         caption = wxT("Xj");
 317
 318     dc.SetFont(m_selected_font);
 319     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 320
 321     dc.SetFont(m_normal_font);
 322     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 323
 324     // figure out the size of the tab
 325     wxSize tab_size = GetTabSize(dc,
 326                                  wnd,
 327                                  page.caption,
 328                                  page.bitmap,
 329                                  page.active,
 330                                  close_button_state,
 331                                  x_extent);
 332
 333     wxCoord tab_height = m_tab_ctrl_height - 3;
 334     wxCoord tab_width = tab_size.x;
 335     wxCoord tab_x = in_rect.x;
 336     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 337
 338
 339     caption = page.caption;
 340
 341
 342     // select pen, brush and font for the tab to be drawn
 343
 344     if (page.active)
 345     {
 346         dc.SetFont(m_selected_font);
 347         textx = selected_textx;
 348         texty = selected_texty;
 349     }
 350      else
 351     {
 352         dc.SetFont(m_normal_font);
 353         textx = normal_textx;
 354         texty = normal_texty;
 355     }
 356
 357
 358     // create points that will make the tab outline
 359
 360     int clip_width = tab_width;
 361     if (tab_x + clip_width > in_rect.x + in_rect.width)
 362         clip_width = (in_rect.x + in_rect.width) - tab_x;
 363
 364 /*
 365     wxPoint clip_points[6];
 366     clip_points[0] = wxPoint(tab_x,              tab_y+tab_height-3);
 367     clip_points[1] = wxPoint(tab_x,              tab_y+2);
 368     clip_points[2] = wxPoint(tab_x+2,            tab_y);
 369     clip_points[3] = wxPoint(tab_x+clip_width-1, tab_y);
 370     clip_points[4] = wxPoint(tab_x+clip_width+1, tab_y+2);
 371     clip_points[5] = wxPoint(tab_x+clip_width+1, tab_y+tab_height-3);
 372
 373     // FIXME: these ports don't provide wxRegion ctor from array of points
 374 #if !defined(__WXDFB__) && !defined(__WXCOCOA__)
 375     // set the clipping region for the tab --
 376     wxRegion clipping_region(WXSIZEOF(clip_points), clip_points);
 377     dc.SetClippingRegion(clipping_region);
 378 #endif // !wxDFB && !wxCocoa
 379 */
 380     // since the above code above doesn't play well with WXDFB or WXCOCOA,
 381     // we'll just use a rectangle for the clipping region for now --
 382     dc.SetClippingRegion(tab_x, tab_y, clip_width+1, tab_height-3);
 383
 384
 385     wxPoint border_points[6];
 386     border_points[0] = wxPoint(tab_x,             tab_y+tab_height-4);
 387     border_points[1] = wxPoint(tab_x,             tab_y+2);
 388     border_points[2] = wxPoint(tab_x+2,           tab_y);
 389     border_points[3] = wxPoint(tab_x+tab_width-2, tab_y);
 390     border_points[4] = wxPoint(tab_x+tab_width,   tab_y+2);
 391     border_points[5] = wxPoint(tab_x+tab_width,   tab_y+tab_height-4);
 392
 393
 394     int drawn_tab_yoff = border_points[1].y;
 395     int drawn_tab_height = border_points[0].y - border_points[1].y;
 396
 397
 398     if (page.active)
 399     {
 400         // draw active tab
 401
 402         // draw base background color
 403         wxRect r(tab_x, tab_y, tab_width, tab_height);
 404         dc.SetPen(m_base_colour_pen);
 405         dc.SetBrush(m_base_colour_brush);
 406         dc.DrawRectangle(r.x+1, r.y+1, r.width-1, r.height-4);
 407
 408         // this white helps fill out the gradient at the top of the tab
 409         dc.SetPen(*wxWHITE_PEN);
 410         dc.SetBrush(*wxWHITE_BRUSH);
 411         dc.DrawRectangle(r.x+2, r.y+1, r.width-3, r.height-4);
 412
 413         // these two points help the rounded corners appear more antialiased
 414         dc.SetPen(m_base_colour_pen);
 415         dc.DrawPoint(r.x+2, r.y+1);
 416         dc.DrawPoint(r.x+r.width-2, r.y+1);
 417
 418         // set rectangle down a bit for gradient drawing
 419         r.SetHeight(r.GetHeight()/2);
 420         r.x += 2;
 421         r.width -= 2;
 422         r.y += r.height;
 423         r.y -= 2;
 424
 425         // draw gradient background
 426         wxColor top_color = *wxWHITE;
 427         wxColor bottom_color = m_base_colour;
 428         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 429     }
 430      else
 431     {
 432         // draw inactive tab
 433
 434         wxRect r(tab_x, tab_y+1, tab_width, tab_height-3);
 435
 436         // start the gradent up a bit and leave the inside border inset
 437         // by a pixel for a 3D look.  Only the top half of the inactive
 438         // tab will have a slight gradient
 439         r.x += 3;
 440         r.y++;
 441         r.width -= 4;
 442         r.height /= 2;
 443         r.height--;
 444
 445         // -- draw top gradient fill for glossy look
 446         wxColor top_color = m_base_colour;
 447         wxColor bottom_color = wxAuiStepColour(top_color, 160);
 448         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 449
 450         r.y += r.height;
 451         r.y--;
 452
 453         // -- draw bottom fill for glossy look
 454         top_color = m_base_colour;
 455         bottom_color = m_base_colour;
 456         dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 457     }
 458
 459     // draw tab outline
 460     dc.SetPen(m_border_pen);
 461     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 462     dc.DrawPolygon(WXSIZEOF(border_points), border_points);
 463
 464     // there are two horizontal grey lines at the bottom of the tab control,
 465     // this gets rid of the top one of those lines in the tab control
 466     if (page.active)
 467     {
 468         wxColor start_color = m_base_colour;
 469         dc.SetPen(m_base_colour_pen);
 470         dc.DrawLine(border_points[0].x+1,
 471                     border_points[0].y,
 472                     border_points[5].x,
 473                     border_points[5].y);
 474     }
 475
 476
 477     int text_offset = tab_x + 8;
 478     int close_button_width = 0;
 479     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 480     {
 481         close_button_width = m_active_close_bmp.GetWidth();
 482     }
 483
 484
 485     if (page.bitmap.IsOk())
 486     {
 487         int bitmap_offset = tab_x + 8;
 488
 489         // draw bitmap
 490         dc.DrawBitmap(page.bitmap,
 491                       bitmap_offset,
 492                       drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
 493                       true);
 494
 495         text_offset = bitmap_offset + page.bitmap.GetWidth();
 496         text_offset += 3; // bitmap padding
 497     }
 498      else
 499     {
 500         text_offset = tab_x + 8;
 501     }
 502
 503
 504     wxString draw_text = wxAuiChopText(dc,
 505                           caption,
 506                           tab_width - (text_offset-tab_x) - close_button_width);
 507
 508     // draw tab text
 509     dc.DrawText(draw_text,
 510                 text_offset,
 511                 drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1);
 512
 513
 514
 515
 516     // draw close button if necessary
 517     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 518     {
 519         wxBitmap bmp = m_disabled_close_bmp;
 520
 521         if (close_button_state == wxAUI_BUTTON_STATE_HOVER ||
 522             close_button_state == wxAUI_BUTTON_STATE_PRESSED)
 523         {
 524             bmp = m_active_close_bmp;
 525         }
 526
 527         wxRect rect(tab_x + tab_width - close_button_width - 1,
 528                     tab_y + (tab_height/2) - (bmp.GetHeight()/2),
 529                     close_button_width,
 530                     tab_height);
 531         IndentPressedBitmap(&rect, close_button_state);
 532         dc.DrawBitmap(bmp, rect.x, rect.y, true);
 533
 534         *out_button_rect = rect;
 535     }
 536
 537     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
 538
 539     dc.DestroyClippingRegion();
 540 }
 541
 542 int wxAuiDefaultTabArt::GetIndentSize()
 543 {
 544     return 5;
 545 }
 546
 547 wxSize wxAuiDefaultTabArt::GetTabSize(wxDC& dc,
 548                                       wxWindow* WXUNUSED(wnd),
 549                                       const wxString& caption,
 550                                       const wxBitmap& bitmap,
 551                                       bool WXUNUSED(active),
 552                                       int close_button_state,
 553                                       int* x_extent)
 554 {
 555     wxCoord measured_textx, measured_texty, tmp;
 556
 557     dc.SetFont(m_measuring_font);
 558     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
 559
 560     dc.GetTextExtent(wxT("ABCDEFXj"), &tmp, &measured_texty);
 561
 562     // add padding around the text
 563     wxCoord tab_width = measured_textx;
 564     wxCoord tab_height = measured_texty;
 565
 566     // if the close button is showing, add space for it
 567     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 568         tab_width += m_active_close_bmp.GetWidth() + 3;
 569
 570     // if there's a bitmap, add space for it
 571     if (bitmap.IsOk())
 572     {
 573         tab_width += bitmap.GetWidth();
 574         tab_width += 3; // right side bitmap padding
 575         tab_height = wxMax(tab_height, bitmap.GetHeight());
 576     }
 577
 578     // add padding
 579     tab_width += 16;
 580     tab_height += 10;
 581
 582     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
 583     {
 584         tab_width = m_fixed_tab_width;
 585     }
 586
 587     *x_extent = tab_width;
 588
 589     return wxSize(tab_width, tab_height);
 590 }
 591
 592
 593 void wxAuiDefaultTabArt::DrawButton(wxDC& dc,
 594                                     wxWindow* WXUNUSED(wnd),
 595                                     const wxRect& in_rect,
 596                                     int bitmap_id,
 597                                     int button_state,
 598                                     int orientation,
 599                                     wxRect* out_rect)
 600 {
 601     wxBitmap bmp;
 602     wxRect rect;
 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::ShowDropDown(wxWindow* wnd,
 660                                      const wxAuiNotebookPageArray& pages,
 661                                      int active_idx)
 662 {
 663     wxMenu menuPopup;
 664
 665     size_t i, count = pages.GetCount();
 666     for (i = 0; i < count; ++i)
 667     {
 668         const wxAuiNotebookPage& page = pages.Item(i);
 669         menuPopup.AppendCheckItem(1000+i, page.caption);
 670     }
 671
 672     if (active_idx != -1)
 673     {
 674         menuPopup.Check(1000+active_idx, true);
 675     }
 676
 677     // find out where to put the popup menu of window items
 678     wxPoint pt = ::wxGetMousePosition();
 679     pt = wnd->ScreenToClient(pt);
 680
 681     // find out the screen coordinate at the bottom of the tab ctrl
 682     wxRect cli_rect = wnd->GetClientRect();
 683     pt.y = cli_rect.y + cli_rect.height;
 684
 685     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
 686     wnd->PushEventHandler(cc);
 687     wnd->PopupMenu(&menuPopup, pt);
 688     int command = cc->GetCommandId();
 689     wnd->PopEventHandler(true);
 690
 691     if (command >= 1000)
 692         return command-1000;
 693
 694     return -1;
 695 }
 696
 697 int wxAuiDefaultTabArt::GetBestTabCtrlSize(wxWindow* wnd,
 698                                            const wxAuiNotebookPageArray& pages,
 699                                            const wxSize& required_bmp_size)
 700 {
 701     wxClientDC dc(wnd);
 702     dc.SetFont(m_measuring_font);
 703
 704     // sometimes a standard bitmap size needs to be enforced, especially
 705     // if some tabs have bitmaps and others don't.  This is important because
 706     // it prevents the tab control from resizing when tabs are added.
 707     wxBitmap measure_bmp;
 708     if (required_bmp_size.IsFullySpecified())
 709     {
 710         measure_bmp.Create(required_bmp_size.x,
 711                            required_bmp_size.y);
 712     }
 713
 714
 715     int max_y = 0;
 716     size_t i, page_count = pages.GetCount();
 717     for (i = 0; i < page_count; ++i)
 718     {
 719         wxAuiNotebookPage& page = pages.Item(i);
 720
 721         wxBitmap bmp;
 722         if (measure_bmp.IsOk())
 723             bmp = measure_bmp;
 724              else
 725             bmp = page.bitmap;
 726
 727         // we don't use the caption text because we don't
 728         // want tab heights to be different in the case
 729         // of a very short piece of text on one tab and a very
 730         // tall piece of text on another tab
 731         int x_ext = 0;
 732         wxSize s = GetTabSize(dc,
 733                               wnd,
 734                               wxT("ABCDEFGHIj"),
 735                               bmp,
 736                               true,
 737                               wxAUI_BUTTON_STATE_HIDDEN,
 738                               &x_ext);
 739
 740         max_y = wxMax(max_y, s.y);
 741     }
 742
 743     return max_y+2;
 744 }
 745
 746 void wxAuiDefaultTabArt::SetNormalFont(const wxFont& font)
 747 {
 748     m_normal_font = font;
 749 }
 750
 751 void wxAuiDefaultTabArt::SetSelectedFont(const wxFont& font)
 752 {
 753     m_selected_font = font;
 754 }
 755
 756 void wxAuiDefaultTabArt::SetMeasuringFont(const wxFont& font)
 757 {
 758     m_measuring_font = font;
 759 }
 760
 761
 762 // -- wxAuiSimpleTabArt class implementation --
 763
 764 wxAuiSimpleTabArt::wxAuiSimpleTabArt()
 765 {
 766     m_normal_font = *wxNORMAL_FONT;
 767     m_selected_font = *wxNORMAL_FONT;
 768     m_selected_font.SetWeight(wxBOLD);
 769     m_measuring_font = m_selected_font;
 770
 771     m_flags = 0;
 772     m_fixed_tab_width = 100;
 773
 774     wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 775
 776     wxColour background_colour = base_colour;
 777     wxColour normaltab_colour = base_colour;
 778     wxColour selectedtab_colour = *wxWHITE;
 779
 780     m_bkbrush = wxBrush(background_colour);
 781     m_normal_bkbrush = wxBrush(normaltab_colour);
 782     m_normal_bkpen = wxPen(normaltab_colour);
 783     m_selected_bkbrush = wxBrush(selectedtab_colour);
 784     m_selected_bkpen = wxPen(selectedtab_colour);
 785
 786     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 787     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 788
 789     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 790     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 791
 792     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 793     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 794
 795     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 796     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 797
 798 }
 799
 800 wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
 801 {
 802 }
 803
 804 wxAuiTabArt* wxAuiSimpleTabArt::Clone()
 805 {
 806     return static_cast<wxAuiTabArt*>(new wxAuiSimpleTabArt);
 807 }
 808
 809
 810 void wxAuiSimpleTabArt::SetFlags(unsigned int flags)
 811 {
 812     m_flags = flags;
 813 }
 814
 815 void wxAuiSimpleTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 816                                       size_t tab_count)
 817 {
 818     m_fixed_tab_width = 100;
 819
 820     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 821
 822     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 823         tot_width -= m_active_close_bmp.GetWidth();
 824     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 825         tot_width -= m_active_windowlist_bmp.GetWidth();
 826
 827     if (tab_count > 0)
 828     {
 829         m_fixed_tab_width = tot_width/(int)tab_count;
 830     }
 831
 832
 833     if (m_fixed_tab_width < 100)
 834         m_fixed_tab_width = 100;
 835
 836     if (m_fixed_tab_width > tot_width/2)
 837         m_fixed_tab_width = tot_width/2;
 838
 839     if (m_fixed_tab_width > 220)
 840         m_fixed_tab_width = 220;
 841 }
 842
 843 void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
 844                                        wxWindow* WXUNUSED(wnd),
 845                                        const wxRect& rect)
 846 {
 847     // draw background
 848     dc.SetBrush(m_bkbrush);
 849     dc.SetPen(*wxTRANSPARENT_PEN);
 850     dc.DrawRectangle(-1, -1, rect.GetWidth()+2, rect.GetHeight()+2);
 851
 852     // draw base line
 853     dc.SetPen(*wxGREY_PEN);
 854     dc.DrawLine(0, rect.GetHeight()-1, rect.GetWidth(), rect.GetHeight()-1);
 855 }
 856
 857
 858 // DrawTab() draws an individual tab.
 859 //
 860 // dc       - output dc
 861 // in_rect  - rectangle the tab should be confined to
 862 // caption  - tab's caption
 863 // active   - whether or not the tab is active
 864 // out_rect - actual output rectangle
 865 // x_extent - the advance x; where the next tab should start
 866
 867 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
 868                                 wxWindow* wnd,
 869                                 const wxAuiNotebookPage& page,
 870                                 const wxRect& in_rect,
 871                                 int close_button_state,
 872                                 wxRect* out_tab_rect,
 873                                 wxRect* out_button_rect,
 874                                 int* x_extent)
 875 {
 876     wxCoord normal_textx, normal_texty;
 877     wxCoord selected_textx, selected_texty;
 878     wxCoord textx, texty;
 879
 880     // if the caption is empty, measure some temporary text
 881     wxString caption = page.caption;
 882     if (caption.empty())
 883         caption = wxT("Xj");
 884
 885     dc.SetFont(m_selected_font);
 886     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 887
 888     dc.SetFont(m_normal_font);
 889     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 890
 891     // figure out the size of the tab
 892     wxSize tab_size = GetTabSize(dc,
 893                                  wnd,
 894                                  page.caption,
 895                                  page.bitmap,
 896                                  page.active,
 897                                  close_button_state,
 898                                  x_extent);
 899
 900     wxCoord tab_height = tab_size.y;
 901     wxCoord tab_width = tab_size.x;
 902     wxCoord tab_x = in_rect.x;
 903     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 904
 905     caption = page.caption;
 906
 907     // select pen, brush and font for the tab to be drawn
 908
 909     if (page.active)
 910     {
 911         dc.SetPen(m_selected_bkpen);
 912         dc.SetBrush(m_selected_bkbrush);
 913         dc.SetFont(m_selected_font);
 914         textx = selected_textx;
 915         texty = selected_texty;
 916     }
 917      else
 918     {
 919         dc.SetPen(m_normal_bkpen);
 920         dc.SetBrush(m_normal_bkbrush);
 921         dc.SetFont(m_normal_font);
 922         textx = normal_textx;
 923         texty = normal_texty;
 924     }
 925
 926
 927     // -- draw line --
 928
 929     wxPoint points[7];
 930     points[0].x = tab_x;
 931     points[0].y = tab_y + tab_height - 1;
 932     points[1].x = tab_x + tab_height - 3;
 933     points[1].y = tab_y + 2;
 934     points[2].x = tab_x + tab_height + 3;
 935     points[2].y = tab_y;
 936     points[3].x = tab_x + tab_width - 2;
 937     points[3].y = tab_y;
 938     points[4].x = tab_x + tab_width;
 939     points[4].y = tab_y + 2;
 940     points[5].x = tab_x + tab_width;
 941     points[5].y = tab_y + tab_height - 1;
 942     points[6] = points[0];
 943
 944     dc.SetClippingRegion(in_rect);
 945
 946     dc.DrawPolygon(WXSIZEOF(points) - 1, points);
 947
 948     dc.SetPen(*wxGREY_PEN);
 949
 950     //dc.DrawLines(active ? WXSIZEOF(points) - 1 : WXSIZEOF(points), points);
 951     dc.DrawLines(WXSIZEOF(points), points);
 952
 953
 954     int text_offset;
 955
 956     int close_button_width = 0;
 957     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 958     {
 959         close_button_width = m_active_close_bmp.GetWidth();
 960         text_offset = tab_x + (tab_height/2) + ((tab_width-close_button_width)/2) - (textx/2);
 961     }
 962      else
 963     {
 964         text_offset = tab_x + (tab_height/3) + (tab_width/2) - (textx/2);
 965     }
 966
 967     // set minimum text offset
 968     if (text_offset < tab_x + tab_height)
 969         text_offset = tab_x + tab_height;
 970
 971     // chop text if necessary
 972     wxString draw_text = wxAuiChopText(dc,
 973                           caption,
 974                           tab_width - (text_offset-tab_x) - close_button_width);
 975
 976     // draw tab text
 977     dc.DrawText(draw_text,
 978                  text_offset,
 979                  (tab_y + tab_height)/2 - (texty/2) + 1);
 980
 981
 982     // draw close button if necessary
 983     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 984     {
 985         wxBitmap bmp;
 986         if (page.active)
 987             bmp = m_active_close_bmp;
 988              else
 989             bmp = m_disabled_close_bmp;
 990
 991         wxRect rect(tab_x + tab_width - close_button_width - 1,
 992                     tab_y + (tab_height/2) - (bmp.GetHeight()/2) + 1,
 993                     close_button_width,
 994                     tab_height - 1);
 995         DrawButtons(dc, rect, bmp, *wxWHITE, close_button_state);
 996
 997         *out_button_rect = rect;
 998     }
 999
1000
1001     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
1002
1003     dc.DestroyClippingRegion();
1004 }
1005
1006 int wxAuiSimpleTabArt::GetIndentSize()
1007 {
1008     return 0;
1009 }
1010
1011 wxSize wxAuiSimpleTabArt::GetTabSize(wxDC& dc,
1012                                      wxWindow* WXUNUSED(wnd),
1013                                      const wxString& caption,
1014                                      const wxBitmap& WXUNUSED(bitmap),
1015                                      bool WXUNUSED(active),
1016                                      int close_button_state,
1017                                      int* x_extent)
1018 {
1019     wxCoord measured_textx, measured_texty;
1020
1021     dc.SetFont(m_measuring_font);
1022     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
1023
1024     wxCoord tab_height = measured_texty + 4;
1025     wxCoord tab_width = measured_textx + tab_height + 5;
1026
1027     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1028         tab_width += m_active_close_bmp.GetWidth();
1029
1030     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
1031     {
1032         tab_width = m_fixed_tab_width;
1033     }
1034
1035     *x_extent = tab_width - (tab_height/2) - 1;
1036
1037     return wxSize(tab_width, tab_height);
1038 }
1039
1040
1041 void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
1042                                    wxWindow* WXUNUSED(wnd),
1043                                    const wxRect& in_rect,
1044                                    int bitmap_id,
1045                                    int button_state,
1046                                    int orientation,
1047                                    wxRect* out_rect)
1048 {
1049     wxBitmap bmp;
1050     wxRect rect;
1051
1052     switch (bitmap_id)
1053     {
1054         case wxAUI_BUTTON_CLOSE:
1055             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1056                 bmp = m_disabled_close_bmp;
1057                  else
1058                 bmp = m_active_close_bmp;
1059             break;
1060         case wxAUI_BUTTON_LEFT:
1061             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1062                 bmp = m_disabled_left_bmp;
1063                  else
1064                 bmp = m_active_left_bmp;
1065             break;
1066         case wxAUI_BUTTON_RIGHT:
1067             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1068                 bmp = m_disabled_right_bmp;
1069                  else
1070                 bmp = m_active_right_bmp;
1071             break;
1072         case wxAUI_BUTTON_WINDOWLIST:
1073             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1074                 bmp = m_disabled_windowlist_bmp;
1075                  else
1076                 bmp = m_active_windowlist_bmp;
1077             break;
1078     }
1079
1080     if (!bmp.IsOk())
1081         return;
1082
1083     rect = in_rect;
1084
1085     if (orientation == wxLEFT)
1086     {
1087         rect.SetX(in_rect.x);
1088         rect.SetY(((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2));
1089         rect.SetWidth(bmp.GetWidth());
1090         rect.SetHeight(bmp.GetHeight());
1091     }
1092      else
1093     {
1094         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
1095                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
1096                       bmp.GetWidth(), bmp.GetHeight());
1097     }
1098
1099
1100     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
1101
1102     *out_rect = rect;
1103 }
1104
1105
1106 int wxAuiSimpleTabArt::ShowDropDown(wxWindow* wnd,
1107                                     const wxAuiNotebookPageArray& pages,
1108                                     int active_idx)
1109 {
1110     wxMenu menuPopup;
1111
1112     size_t i, count = pages.GetCount();
1113     for (i = 0; i < count; ++i)
1114     {
1115         const wxAuiNotebookPage& page = pages.Item(i);
1116         menuPopup.AppendCheckItem(1000+i, page.caption);
1117     }
1118
1119     if (active_idx != -1)
1120     {
1121         menuPopup.Check(1000+active_idx, true);
1122     }
1123
1124     // find out where to put the popup menu of window
1125     // items.  Subtract 100 for now to center the menu
1126     // a bit, until a better mechanism can be implemented
1127     wxPoint pt = ::wxGetMousePosition();
1128     pt = wnd->ScreenToClient(pt);
1129     if (pt.x < 100)
1130         pt.x = 0;
1131          else
1132         pt.x -= 100;
1133
1134     // find out the screen coordinate at the bottom of the tab ctrl
1135     wxRect cli_rect = wnd->GetClientRect();
1136     pt.y = cli_rect.y + cli_rect.height;
1137
1138     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
1139     wnd->PushEventHandler(cc);
1140     wnd->PopupMenu(&menuPopup, pt);
1141     int command = cc->GetCommandId();
1142     wnd->PopEventHandler(true);
1143
1144     if (command >= 1000)
1145         return command-1000;
1146
1147     return -1;
1148 }
1149
1150 int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd,
1151                                           const wxAuiNotebookPageArray& WXUNUSED(pages),
1152                                           const wxSize& WXUNUSED(required_bmp_size))
1153 {
1154     wxClientDC dc(wnd);
1155     dc.SetFont(m_measuring_font);
1156     int x_ext = 0;
1157     wxSize s = GetTabSize(dc,
1158                           wnd,
1159                           wxT("ABCDEFGHIj"),
1160                           wxNullBitmap,
1161                           true,
1162                           wxAUI_BUTTON_STATE_HIDDEN,
1163                           &x_ext);
1164     return s.y+3;
1165 }
1166
1167 void wxAuiSimpleTabArt::SetNormalFont(const wxFont& font)
1168 {
1169     m_normal_font = font;
1170 }
1171
1172 void wxAuiSimpleTabArt::SetSelectedFont(const wxFont& font)
1173 {
1174     m_selected_font = font;
1175 }
1176
1177 void wxAuiSimpleTabArt::SetMeasuringFont(const wxFont& font)
1178 {
1179     m_measuring_font = font;
1180 }
1181
1182
1183
1184
1185 // -- wxAuiTabContainer class implementation --
1186
1187
1188 // wxAuiTabContainer is a class which contains information about each
1189 // tab.  It also can render an entire tab control to a specified DC.
1190 // It's not a window class itself, because this code will be used by
1191 // the wxFrameMananger, where it is disadvantageous to have separate
1192 // windows for each tab control in the case of "docked tabs"
1193
1194 // A derived class, wxAuiTabCtrl, is an actual wxWindow-derived window
1195 // which can be used as a tab control in the normal sense.
1196
1197
1198 wxAuiTabContainer::wxAuiTabContainer()
1199 {
1200     m_tab_offset = 0;
1201     m_flags = 0;
1202     m_art = new wxAuiDefaultTabArt;
1203
1204     AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1205     AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1206     AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1207     AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1208 }
1209
1210 wxAuiTabContainer::~wxAuiTabContainer()
1211 {
1212     delete m_art;
1213 }
1214
1215 void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
1216 {
1217     delete m_art;
1218     m_art = art;
1219
1220     if (m_art)
1221     {
1222         m_art->SetFlags(m_flags);
1223     }
1224 }
1225
1226 wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
1227 {
1228     return m_art;
1229 }
1230
1231 void wxAuiTabContainer::SetFlags(unsigned int flags)
1232 {
1233     m_flags = flags;
1234
1235     // check for new close button settings
1236     RemoveButton(wxAUI_BUTTON_LEFT);
1237     RemoveButton(wxAUI_BUTTON_RIGHT);
1238     RemoveButton(wxAUI_BUTTON_WINDOWLIST);
1239     RemoveButton(wxAUI_BUTTON_CLOSE);
1240
1241
1242     if (flags & wxAUI_NB_SCROLL_BUTTONS)
1243     {
1244         AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1245         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1246     }
1247
1248     if (flags & wxAUI_NB_WINDOWLIST_BUTTON)
1249     {
1250         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1251     }
1252
1253     if (flags & wxAUI_NB_CLOSE_BUTTON)
1254     {
1255         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1256     }
1257
1258     if (m_art)
1259     {
1260         m_art->SetFlags(m_flags);
1261     }
1262 }
1263
1264 unsigned int wxAuiTabContainer::GetFlags() const
1265 {
1266     return m_flags;
1267 }
1268
1269
1270 void wxAuiTabContainer::SetNormalFont(const wxFont& font)
1271 {
1272     m_art->SetNormalFont(font);
1273 }
1274
1275 void wxAuiTabContainer::SetSelectedFont(const wxFont& font)
1276 {
1277     m_art->SetSelectedFont(font);
1278 }
1279
1280 void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
1281 {
1282     m_art->SetMeasuringFont(font);
1283 }
1284
1285 void wxAuiTabContainer::SetRect(const wxRect& rect)
1286 {
1287     m_rect = rect;
1288
1289     if (m_art)
1290     {
1291         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
1292     }
1293 }
1294
1295 bool wxAuiTabContainer::AddPage(wxWindow* page,
1296                                 const wxAuiNotebookPage& info)
1297 {
1298     wxAuiNotebookPage page_info;
1299     page_info = info;
1300     page_info.window = page;
1301
1302     m_pages.Add(page_info);
1303
1304     // let the art provider know how many pages we have
1305     if (m_art)
1306     {
1307         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1308     }
1309
1310     return true;
1311 }
1312
1313 bool wxAuiTabContainer::InsertPage(wxWindow* page,
1314                                    const wxAuiNotebookPage& info,
1315                                    size_t idx)
1316 {
1317     wxAuiNotebookPage page_info;
1318     page_info = info;
1319     page_info.window = page;
1320
1321     if (idx >= m_pages.GetCount())
1322         m_pages.Add(page_info);
1323          else
1324         m_pages.Insert(page_info, idx);
1325
1326     // let the art provider know how many pages we have
1327     if (m_art)
1328     {
1329         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1330     }
1331
1332     return true;
1333 }
1334
1335 bool wxAuiTabContainer::MovePage(wxWindow* page,
1336                                  size_t new_idx)
1337 {
1338     int idx = GetIdxFromWindow(page);
1339     if (idx == -1)
1340         return false;
1341
1342     // get page entry, make a copy of it
1343     wxAuiNotebookPage p = GetPage(idx);
1344
1345     // remove old page entry
1346     RemovePage(page);
1347
1348     // insert page where it should be
1349     InsertPage(page, p, new_idx);
1350
1351     return true;
1352 }
1353
1354 bool wxAuiTabContainer::RemovePage(wxWindow* wnd)
1355 {
1356     size_t i, page_count = m_pages.GetCount();
1357     for (i = 0; i < page_count; ++i)
1358     {
1359         wxAuiNotebookPage& page = m_pages.Item(i);
1360         if (page.window == wnd)
1361         {
1362             m_pages.RemoveAt(i);
1363
1364             // let the art provider know how many pages we have
1365             if (m_art)
1366             {
1367                 m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1368             }
1369
1370             return true;
1371         }
1372     }
1373
1374     return false;
1375 }
1376
1377 bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
1378 {
1379     bool found = false;
1380
1381     size_t i, page_count = m_pages.GetCount();
1382     for (i = 0; i < page_count; ++i)
1383     {
1384         wxAuiNotebookPage& page = m_pages.Item(i);
1385         if (page.window == wnd)
1386         {
1387             page.active = true;
1388             found = true;
1389         }
1390          else
1391         {
1392             page.active = false;
1393         }
1394     }
1395
1396     return found;
1397 }
1398
1399 void wxAuiTabContainer::SetNoneActive()
1400 {
1401     size_t i, page_count = m_pages.GetCount();
1402     for (i = 0; i < page_count; ++i)
1403     {
1404         wxAuiNotebookPage& page = m_pages.Item(i);
1405         page.active = false;
1406     }
1407 }
1408
1409 bool wxAuiTabContainer::SetActivePage(size_t page)
1410 {
1411     if (page >= m_pages.GetCount())
1412         return false;
1413
1414     return SetActivePage(m_pages.Item(page).window);
1415 }
1416
1417 int wxAuiTabContainer::GetActivePage() const
1418 {
1419     size_t i, page_count = m_pages.GetCount();
1420     for (i = 0; i < page_count; ++i)
1421     {
1422         wxAuiNotebookPage& page = m_pages.Item(i);
1423         if (page.active)
1424             return i;
1425     }
1426
1427     return -1;
1428 }
1429
1430 wxWindow* wxAuiTabContainer::GetWindowFromIdx(size_t idx) const
1431 {
1432     if (idx >= m_pages.GetCount())
1433         return NULL;
1434
1435     return m_pages[idx].window;
1436 }
1437
1438 int wxAuiTabContainer::GetIdxFromWindow(wxWindow* wnd) const
1439 {
1440     size_t i, page_count = m_pages.GetCount();
1441     for (i = 0; i < page_count; ++i)
1442     {
1443         wxAuiNotebookPage& page = m_pages.Item(i);
1444         if (page.window == wnd)
1445             return i;
1446     }
1447     return -1;
1448 }
1449
1450 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
1451 {
1452     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1453
1454     return m_pages[idx];
1455 }
1456
1457 const wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx) const
1458 {
1459     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1460
1461     return m_pages[idx];
1462 }
1463
1464 wxAuiNotebookPageArray& wxAuiTabContainer::GetPages()
1465 {
1466     return m_pages;
1467 }
1468
1469 size_t wxAuiTabContainer::GetPageCount() const
1470 {
1471     return m_pages.GetCount();
1472 }
1473
1474 void wxAuiTabContainer::AddButton(int id,
1475                                   int location,
1476                                   const wxBitmap& normal_bitmap,
1477                                   const wxBitmap& disabled_bitmap)
1478 {
1479     wxAuiTabContainerButton button;
1480     button.id = id;
1481     button.bitmap = normal_bitmap;
1482     button.dis_bitmap = disabled_bitmap;
1483     button.location = location;
1484     button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1485
1486     m_buttons.Add(button);
1487 }
1488
1489 void wxAuiTabContainer::RemoveButton(int id)
1490 {
1491     size_t i, button_count = m_buttons.GetCount();
1492
1493     for (i = 0; i < button_count; ++i)
1494     {
1495         if (m_buttons.Item(i).id == id)
1496         {
1497             m_buttons.RemoveAt(i);
1498             return;
1499         }
1500     }
1501 }
1502
1503
1504
1505 size_t wxAuiTabContainer::GetTabOffset() const
1506 {
1507     return m_tab_offset;
1508 }
1509
1510 void wxAuiTabContainer::SetTabOffset(size_t offset)
1511 {
1512     m_tab_offset = offset;
1513 }
1514
1515
1516
1517
1518 // Render() renders the tab catalog to the specified DC
1519 // It is a virtual function and can be overridden to
1520 // provide custom drawing capabilities
1521 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
1522 {
1523     if (!raw_dc || !raw_dc->IsOk())
1524         return;
1525
1526     wxMemoryDC dc;
1527     wxBitmap bmp;
1528     size_t i;
1529     size_t page_count = m_pages.GetCount();
1530     size_t button_count = m_buttons.GetCount();
1531
1532     // create off-screen bitmap
1533     bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
1534     dc.SelectObject(bmp);
1535
1536     if (!dc.IsOk())
1537         return;
1538
1539     // find out if size of tabs is larger than can be
1540     // afforded on screen
1541     int total_width = 0;
1542     int visible_width = 0;
1543     for (i = 0; i < page_count; ++i)
1544     {
1545         wxAuiNotebookPage& page = m_pages.Item(i);
1546
1547         // determine if a close button is on this tab
1548         bool close_button = false;
1549         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1550             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1551         {
1552             close_button = true;
1553         }
1554
1555
1556         int x_extent = 0;
1557         wxSize size = m_art->GetTabSize(dc,
1558                             wnd,
1559                             page.caption,
1560                             page.bitmap,
1561                             page.active,
1562                             close_button ?
1563                               wxAUI_BUTTON_STATE_NORMAL :
1564                               wxAUI_BUTTON_STATE_HIDDEN,
1565                             &x_extent);
1566
1567         if (i+1 < page_count)
1568             total_width += x_extent;
1569              else
1570             total_width += size.x;
1571
1572         if (i >= m_tab_offset)
1573         {
1574             if (i+1 < page_count)
1575                 visible_width += x_extent;
1576                  else
1577                 visible_width += size.x;
1578         }
1579     }
1580
1581     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
1582     {
1583         // show left/right buttons
1584         for (i = 0; i < button_count; ++i)
1585         {
1586             wxAuiTabContainerButton& button = m_buttons.Item(i);
1587             if (button.id == wxAUI_BUTTON_LEFT ||
1588                 button.id == wxAUI_BUTTON_RIGHT)
1589             {
1590                 button.cur_state &= ~wxAUI_BUTTON_STATE_HIDDEN;
1591             }
1592         }
1593     }
1594      else
1595     {
1596         // hide left/right buttons
1597         for (i = 0; i < button_count; ++i)
1598         {
1599             wxAuiTabContainerButton& button = m_buttons.Item(i);
1600             if (button.id == wxAUI_BUTTON_LEFT ||
1601                 button.id == wxAUI_BUTTON_RIGHT)
1602             {
1603                 button.cur_state |= wxAUI_BUTTON_STATE_HIDDEN;
1604             }
1605         }
1606     }
1607
1608     // determine whether left button should be enabled
1609     for (i = 0; i < button_count; ++i)
1610     {
1611         wxAuiTabContainerButton& button = m_buttons.Item(i);
1612         if (button.id == wxAUI_BUTTON_LEFT)
1613         {
1614             if (m_tab_offset == 0)
1615                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1616                  else
1617                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1618         }
1619         if (button.id == wxAUI_BUTTON_RIGHT)
1620         {
1621             if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
1622                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1623                  else
1624                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1625         }
1626     }
1627
1628
1629
1630     // draw background
1631     m_art->DrawBackground(dc, wnd, m_rect);
1632
1633     // draw buttons
1634     int left_buttons_width = 0;
1635     int right_buttons_width = 0;
1636
1637     int offset = 0;
1638
1639     // draw the buttons on the right side
1640     offset = m_rect.x + m_rect.width;
1641     for (i = 0; i < button_count; ++i)
1642     {
1643         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1644
1645         if (button.location != wxRIGHT)
1646             continue;
1647         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1648             continue;
1649
1650         wxRect button_rect = m_rect;
1651         button_rect.SetY(1);
1652         button_rect.SetWidth(offset);
1653
1654         m_art->DrawButton(dc,
1655                           wnd,
1656                           button_rect,
1657                           button.id,
1658                           button.cur_state,
1659                           wxRIGHT,
1660                           &button.rect);
1661
1662         offset -= button.rect.GetWidth();
1663         right_buttons_width += button.rect.GetWidth();
1664     }
1665
1666
1667
1668     offset = 0;
1669
1670     // draw the buttons on the left side
1671
1672     for (i = 0; i < button_count; ++i)
1673     {
1674         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1675
1676         if (button.location != wxLEFT)
1677             continue;
1678         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1679             continue;
1680
1681         wxRect button_rect(offset, 1, 1000, m_rect.height);
1682
1683         m_art->DrawButton(dc,
1684                           wnd,
1685                           button_rect,
1686                           button.id,
1687                           button.cur_state,
1688                           wxLEFT,
1689                           &button.rect);
1690
1691         offset += button.rect.GetWidth();
1692         left_buttons_width += button.rect.GetWidth();
1693     }
1694
1695     offset = left_buttons_width;
1696
1697     if (offset == 0)
1698         offset += m_art->GetIndentSize();
1699
1700
1701     // prepare the tab-close-button array
1702     // make sure tab button entries which aren't used are marked as hidden
1703     for (i = page_count; i < m_tab_close_buttons.GetCount(); ++i)
1704         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1705
1706     // make sure there are enough tab button entries to accommodate all tabs
1707     while (m_tab_close_buttons.GetCount() < page_count)
1708     {
1709         wxAuiTabContainerButton tempbtn;
1710         tempbtn.id = wxAUI_BUTTON_CLOSE;
1711         tempbtn.location = wxCENTER;
1712         tempbtn.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1713         m_tab_close_buttons.Add(tempbtn);
1714     }
1715
1716
1717     // buttons before the tab offset must be set to hidden
1718     for (i = 0; i < m_tab_offset; ++i)
1719     {
1720         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1721     }
1722
1723
1724     // draw the tabs
1725
1726     size_t active = 999;
1727     int active_offset = 0;
1728     wxRect active_rect;
1729
1730     int x_extent = 0;
1731     wxRect rect = m_rect;
1732     rect.y = 0;
1733     rect.height = m_rect.height;
1734
1735     for (i = m_tab_offset; i < page_count; ++i)
1736     {
1737         wxAuiNotebookPage& page = m_pages.Item(i);
1738         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
1739
1740         // determine if a close button is on this tab
1741         bool close_button = false;
1742         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1743             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1744         {
1745             close_button = true;
1746             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
1747             {
1748                 tab_button.id = wxAUI_BUTTON_CLOSE;
1749                 tab_button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1750                 tab_button.location = wxCENTER;
1751             }
1752         }
1753          else
1754         {
1755             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1756         }
1757
1758         rect.x = offset;
1759         rect.width = m_rect.width - right_buttons_width - offset - 2;
1760
1761         if (rect.width <= 0)
1762             break;
1763
1764         m_art->DrawTab(dc,
1765                        wnd,
1766                        page,
1767                        rect,
1768                        tab_button.cur_state,
1769                        &page.rect,
1770                        &tab_button.rect,
1771                        &x_extent);
1772
1773         if (page.active)
1774         {
1775             active = i;
1776             active_offset = offset;
1777             active_rect = rect;
1778         }
1779
1780         offset += x_extent;
1781     }
1782
1783
1784     // make sure to deactivate buttons which are off the screen to the right
1785     for (++i; i < m_tab_close_buttons.GetCount(); ++i)
1786     {
1787         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1788     }
1789
1790
1791     // draw the active tab again so it stands in the foreground
1792     if (active >= m_tab_offset && active < m_pages.GetCount())
1793     {
1794         wxAuiNotebookPage& page = m_pages.Item(active);
1795
1796         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(active);
1797
1798         // determine if a close button is on this tab
1799         bool close_button = false;
1800         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1801             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1802         {
1803             close_button = true;
1804         }
1805
1806         rect.x = active_offset;
1807         m_art->DrawTab(dc,
1808                        wnd,
1809                        page,
1810                        active_rect,
1811                        tab_button.cur_state,
1812                        &page.rect,
1813                        &tab_button.rect,
1814                        &x_extent);
1815     }
1816
1817
1818     raw_dc->Blit(m_rect.x, m_rect.y,
1819                  m_rect.GetWidth(), m_rect.GetHeight(),
1820                  &dc, 0, 0);
1821 }
1822
1823
1824 // TabHitTest() tests if a tab was hit, passing the window pointer
1825 // back if that condition was fulfilled.  The function returns
1826 // true if a tab was hit, otherwise false
1827 bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
1828 {
1829     if (!m_rect.Contains(x,y))
1830         return false;
1831
1832     wxAuiTabContainerButton* btn = NULL;
1833     if (ButtonHitTest(x, y, &btn))
1834     {
1835         if (m_buttons.Index(*btn) != wxNOT_FOUND)
1836             return false;
1837     }
1838
1839     size_t i, page_count = m_pages.GetCount();
1840
1841     for (i = m_tab_offset; i < page_count; ++i)
1842     {
1843         wxAuiNotebookPage& page = m_pages.Item(i);
1844         if (page.rect.Contains(x,y))
1845         {
1846             if (hit)
1847                 *hit = page.window;
1848             return true;
1849         }
1850     }
1851
1852     return false;
1853 }
1854
1855 // ButtonHitTest() tests if a button was hit. The function returns
1856 // true if a button was hit, otherwise false
1857 bool wxAuiTabContainer::ButtonHitTest(int x, int y,
1858                                       wxAuiTabContainerButton** hit) const
1859 {
1860     if (!m_rect.Contains(x,y))
1861         return false;
1862
1863     size_t i, button_count;
1864
1865
1866     button_count = m_buttons.GetCount();
1867     for (i = 0; i < button_count; ++i)
1868     {
1869         wxAuiTabContainerButton& button = m_buttons.Item(i);
1870         if (button.rect.Contains(x,y) &&
1871             !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
1872                                    wxAUI_BUTTON_STATE_DISABLED)))
1873         {
1874             if (hit)
1875                 *hit = &button;
1876             return true;
1877         }
1878     }
1879
1880     button_count = m_tab_close_buttons.GetCount();
1881     for (i = 0; i < button_count; ++i)
1882     {
1883         wxAuiTabContainerButton& button = m_tab_close_buttons.Item(i);
1884         if (button.rect.Contains(x,y) &&
1885             !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
1886                                    wxAUI_BUTTON_STATE_DISABLED)))
1887         {
1888             if (hit)
1889                 *hit = &button;
1890             return true;
1891         }
1892     }
1893
1894     return false;
1895 }
1896
1897
1898
1899 // the utility function ShowWnd() is the same as show,
1900 // except it handles wxAuiMDIChildFrame windows as well,
1901 // as the Show() method on this class is "unplugged"
1902 static void ShowWnd(wxWindow* wnd, bool show)
1903 {
1904     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
1905     {
1906         wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
1907         cf->DoShow(show);
1908     }
1909      else
1910     {
1911         wnd->Show(show);
1912     }
1913 }
1914
1915
1916 // DoShowHide() this function shows the active window, then
1917 // hides all of the other windows (in that order)
1918 void wxAuiTabContainer::DoShowHide()
1919 {
1920     wxAuiNotebookPageArray& pages = GetPages();
1921     size_t i, page_count = pages.GetCount();
1922
1923     // show new active page first
1924     for (i = 0; i < page_count; ++i)
1925     {
1926         wxAuiNotebookPage& page = pages.Item(i);
1927         if (page.active)
1928         {
1929             ShowWnd(page.window, true);
1930             break;
1931         }
1932     }
1933
1934     // hide all other pages
1935     for (i = 0; i < page_count; ++i)
1936     {
1937         wxAuiNotebookPage& page = pages.Item(i);
1938         ShowWnd(page.window, page.active);
1939     }
1940 }
1941
1942
1943
1944
1945
1946
1947 // -- wxAuiTabCtrl class implementation --
1948
1949
1950
1951 BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
1952     EVT_PAINT(wxAuiTabCtrl::OnPaint)
1953     EVT_ERASE_BACKGROUND(wxAuiTabCtrl::OnEraseBackground)
1954     EVT_SIZE(wxAuiTabCtrl::OnSize)
1955     EVT_LEFT_DOWN(wxAuiTabCtrl::OnLeftDown)
1956     EVT_LEFT_DCLICK(wxAuiTabCtrl::OnLeftDown)
1957     EVT_LEFT_UP(wxAuiTabCtrl::OnLeftUp)
1958     EVT_MOTION(wxAuiTabCtrl::OnMotion)
1959     EVT_LEAVE_WINDOW(wxAuiTabCtrl::OnLeaveWindow)
1960     EVT_AUINOTEBOOK_BUTTON(wxID_ANY, wxAuiTabCtrl::OnButton)
1961 END_EVENT_TABLE()
1962
1963
1964 wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
1965                            wxWindowID id,
1966                            const wxPoint& pos,
1967                            const wxSize& size,
1968                            long style) : wxControl(parent, id, pos, size, style)
1969 {
1970     m_click_pt = wxDefaultPosition;
1971     m_is_dragging = false;
1972     m_hover_button = NULL;
1973     m_pressed_button = NULL;
1974 }
1975
1976 wxAuiTabCtrl::~wxAuiTabCtrl()
1977 {
1978 }
1979
1980 void wxAuiTabCtrl::OnPaint(wxPaintEvent&)
1981 {
1982     wxPaintDC dc(this);
1983
1984     dc.SetFont(GetFont());
1985
1986     if (GetPageCount() > 0)
1987         Render(&dc, this);
1988 }
1989
1990 void wxAuiTabCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(evt))
1991 {
1992 }
1993
1994 void wxAuiTabCtrl::OnSize(wxSizeEvent& evt)
1995 {
1996     wxSize s = evt.GetSize();
1997     wxRect r(0, 0, s.GetWidth(), s.GetHeight());
1998     SetRect(r);
1999 }
2000
2001 void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
2002 {
2003     CaptureMouse();
2004     m_click_pt = wxDefaultPosition;
2005     m_is_dragging = false;
2006     m_click_tab = NULL;
2007     m_pressed_button = NULL;
2008
2009
2010     wxWindow* wnd;
2011     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
2012     {
2013         int new_selection = GetIdxFromWindow(wnd);
2014
2015         // wxAuiNotebooks always want to receive this event
2016         // even if the tab is already active, because they may
2017         // have multiple tab controls
2018         if (new_selection != GetActivePage() ||
2019             GetParent()->IsKindOf(CLASSINFO(wxAuiNotebook)))
2020         {
2021             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2022             e.SetSelection(new_selection);
2023             e.SetOldSelection(GetActivePage());
2024             e.SetEventObject(this);
2025             GetEventHandler()->ProcessEvent(e);
2026         }
2027
2028         m_click_pt.x = evt.m_x;
2029         m_click_pt.y = evt.m_y;
2030         m_click_tab = wnd;
2031     }
2032
2033     if (m_hover_button)
2034     {
2035         m_pressed_button = m_hover_button;
2036         m_pressed_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
2037         Refresh();
2038         Update();
2039     }
2040 }
2041
2042 void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
2043 {
2044     if (GetCapture() == this)
2045         ReleaseMouse();
2046
2047     if (m_is_dragging)
2048     {
2049         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
2050         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2051         evt.SetOldSelection(evt.GetSelection());
2052         evt.SetEventObject(this);
2053         GetEventHandler()->ProcessEvent(evt);
2054         return;
2055     }
2056
2057     if (m_pressed_button)
2058     {
2059         // make sure we're still clicking the button
2060         wxAuiTabContainerButton* button = NULL;
2061         if (!ButtonHitTest(evt.m_x, evt.m_y, &button))
2062             return;
2063
2064         if (button != m_pressed_button)
2065         {
2066             m_pressed_button = NULL;
2067             return;
2068         }
2069
2070         Refresh();
2071         Update();
2072
2073         if (!(m_pressed_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2074         {
2075             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
2076             evt.SetInt(m_pressed_button->id);
2077             evt.SetEventObject(this);
2078             GetEventHandler()->ProcessEvent(evt);
2079         }
2080
2081         m_pressed_button = NULL;
2082     }
2083
2084     m_click_pt = wxDefaultPosition;
2085     m_is_dragging = false;
2086     m_click_tab = NULL;
2087 }
2088
2089 void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
2090 {
2091     wxPoint pos = evt.GetPosition();
2092
2093     // check if the mouse is hovering above a button
2094     wxAuiTabContainerButton* button;
2095     if (ButtonHitTest(pos.x, pos.y, &button))
2096     {
2097         if (m_hover_button && button != m_hover_button)
2098         {
2099             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2100             m_hover_button = NULL;
2101             Refresh();
2102             Update();
2103         }
2104
2105         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
2106         {
2107             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
2108             Refresh();
2109             Update();
2110             m_hover_button = button;
2111             return;
2112         }
2113     }
2114      else
2115     {
2116         if (m_hover_button)
2117         {
2118             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2119             m_hover_button = NULL;
2120             Refresh();
2121             Update();
2122         }
2123     }
2124
2125
2126     if (!evt.LeftIsDown() || m_click_pt == wxDefaultPosition)
2127         return;
2128
2129     if (m_is_dragging)
2130     {
2131         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, m_windowId);
2132         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2133         evt.SetOldSelection(evt.GetSelection());
2134         evt.SetEventObject(this);
2135         GetEventHandler()->ProcessEvent(evt);
2136         return;
2137     }
2138
2139
2140     int drag_x_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_X);
2141     int drag_y_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_Y);
2142
2143     if (abs(pos.x - m_click_pt.x) > drag_x_threshold ||
2144         abs(pos.y - m_click_pt.y) > drag_y_threshold)
2145     {
2146         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, m_windowId);
2147         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2148         evt.SetOldSelection(evt.GetSelection());
2149         evt.SetEventObject(this);
2150         GetEventHandler()->ProcessEvent(evt);
2151
2152         m_is_dragging = true;
2153     }
2154 }
2155
2156 void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
2157 {
2158     if (m_hover_button)
2159     {
2160         m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2161         m_hover_button = NULL;
2162         Refresh();
2163         Update();
2164     }
2165 }
2166
2167 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
2168 {
2169     int button = event.GetInt();
2170
2171     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
2172     {
2173         if (button == wxAUI_BUTTON_LEFT)
2174         {
2175             if (GetTabOffset() > 0)
2176             {
2177                 SetTabOffset(GetTabOffset()-1);
2178                 Refresh();
2179                 Update();
2180             }
2181         }
2182          else
2183         {
2184             SetTabOffset(GetTabOffset()+1);
2185             Refresh();
2186             Update();
2187         }
2188     }
2189      else if (button == wxAUI_BUTTON_WINDOWLIST)
2190     {
2191         int idx = GetArtProvider()->ShowDropDown(this, m_pages, GetActivePage());
2192
2193         if (idx != -1)
2194         {
2195             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2196             e.SetSelection(idx);
2197             e.SetOldSelection(GetActivePage());
2198             e.SetEventObject(this);
2199             GetEventHandler()->ProcessEvent(e);
2200         }
2201     }
2202      else
2203     {
2204         event.Skip();
2205     }
2206 }
2207
2208 // wxTabFrame is an interesting case.  It's important that all child pages
2209 // of the multi-notebook control are all actually children of that control
2210 // (and not grandchildren).  wxTabFrame facilitates this.  There is one
2211 // instance of wxTabFrame for each tab control inside the multi-notebook.
2212 // It's important to know that wxTabFrame is not a real window, but it merely
2213 // used to capture the dimensions/positioning of the internal tab control and
2214 // it's managed page windows
2215
2216 class wxTabFrame : public wxWindow
2217 {
2218 public:
2219
2220     wxTabFrame()
2221     {
2222         m_tabs = NULL;
2223         m_rect = wxRect(0,0,200,200);
2224         m_tab_ctrl_height = 20;
2225     }
2226
2227     void SetTabCtrlHeight(int h)
2228     {
2229         m_tab_ctrl_height = h;
2230     }
2231
2232     void DoSetSize(int x, int y,
2233                    int width, int height,
2234                    int WXUNUSED(sizeFlags = wxSIZE_AUTO))
2235     {
2236         m_rect = wxRect(x, y, width, height);
2237         DoSizing();
2238     }
2239
2240     void DoGetClientSize(int* x, int* y) const
2241     {
2242         *x = m_rect.width;
2243         *y = m_rect.height;
2244     }
2245
2246     bool Show( bool WXUNUSED(show = true) ) { return false; }
2247
2248     void DoSizing()
2249     {
2250         if (!m_tabs)
2251             return;
2252
2253         m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2254         m_tabs->SetSize(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2255         m_tabs->SetRect(wxRect(0, 0, m_rect.width, m_tab_ctrl_height));
2256         m_tabs->Refresh();
2257         m_tabs->Update();
2258
2259         wxAuiNotebookPageArray& pages = m_tabs->GetPages();
2260         size_t i, page_count = pages.GetCount();
2261
2262         for (i = 0; i < page_count; ++i)
2263         {
2264             wxAuiNotebookPage& page = pages.Item(i);
2265             page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
2266                                  m_rect.width, m_rect.height - m_tab_ctrl_height);
2267
2268             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2269             {
2270                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
2271                 wnd->ApplyMDIChildFrameRect();
2272             }
2273         }
2274     }
2275
2276     void DoGetSize(int* x, int* y) const
2277     {
2278         if (x)
2279             *x = m_rect.GetWidth();
2280         if (y)
2281             *y = m_rect.GetHeight();
2282     }
2283
2284     void Update()
2285     {
2286         // does nothing
2287     }
2288
2289 public:
2290
2291     wxRect m_rect;
2292     wxRect m_tab_rect;
2293     wxAuiTabCtrl* m_tabs;
2294     int m_tab_ctrl_height;
2295 };
2296
2297
2298 const int wxAuiBaseTabCtrlId = 5380;
2299
2300
2301 // -- wxAuiNotebook class implementation --
2302
2303 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
2304     EVT_SIZE(wxAuiNotebook::OnSize)
2305     EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocus)
2306     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2307                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
2308                       wxAuiNotebook::OnTabClicked)
2309     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2310                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
2311                       wxAuiNotebook::OnTabBeginDrag)
2312     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2313                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
2314                       wxAuiNotebook::OnTabEndDrag)
2315     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2316                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
2317                       wxAuiNotebook::OnTabDragMotion)
2318     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2319                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
2320                       wxAuiNotebook::OnTabButton)
2321 END_EVENT_TABLE()
2322
2323 wxAuiNotebook::wxAuiNotebook()
2324 {
2325     m_curpage = -1;
2326     m_tab_id_counter = wxAuiBaseTabCtrlId;
2327     m_dummy_wnd = NULL;
2328     m_tab_ctrl_height = 20;
2329     m_requested_bmp_size = wxDefaultSize;
2330     m_requested_tabctrl_height = -1;
2331 }
2332
2333 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
2334                              wxWindowID id,
2335                              const wxPoint& pos,
2336                              const wxSize& size,
2337                              long style) : wxControl(parent, id, pos, size, style)
2338 {
2339     m_dummy_wnd = NULL;
2340     m_requested_bmp_size = wxDefaultSize;
2341     m_requested_tabctrl_height = -1;
2342     InitNotebook(style);
2343 }
2344
2345 bool wxAuiNotebook::Create(wxWindow* parent,
2346                            wxWindowID id,
2347                            const wxPoint& pos,
2348                            const wxSize& size,
2349                            long style)
2350 {
2351     if (!wxControl::Create(parent, id, pos, size, style))
2352         return false;
2353
2354     InitNotebook(style);
2355
2356     return true;
2357 }
2358
2359 // InitNotebook() contains common initialization
2360 // code called by all constructors
2361 void wxAuiNotebook::InitNotebook(long style)
2362 {
2363     m_curpage = -1;
2364     m_tab_id_counter = wxAuiBaseTabCtrlId;
2365     m_dummy_wnd = NULL;
2366     m_flags = (unsigned int)style;
2367     m_tab_ctrl_height = 20;
2368
2369     m_normal_font = *wxNORMAL_FONT;
2370     m_selected_font = *wxNORMAL_FONT;
2371     m_selected_font.SetWeight(wxBOLD);
2372
2373     SetArtProvider(new wxAuiDefaultTabArt);
2374
2375     m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
2376     m_dummy_wnd->SetSize(200, 200);
2377     m_dummy_wnd->Show(false);
2378
2379     m_mgr.SetManagedWindow(this);
2380     m_mgr.SetFlags(wxAUI_MGR_DEFAULT);
2381     m_mgr.SetDockSizeConstraint(1.0, 1.0); // no dock size constraint
2382
2383     m_mgr.AddPane(m_dummy_wnd,
2384               wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
2385
2386     m_mgr.Update();
2387 }
2388
2389 wxAuiNotebook::~wxAuiNotebook()
2390 {
2391     m_mgr.UnInit();
2392 }
2393
2394 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
2395 {
2396     m_tabs.SetArtProvider(art);
2397
2398     UpdateTabCtrlHeight();
2399 }
2400
2401 // SetTabCtrlHeight() is the highest-level override of the
2402 // tab height.  A call to this function effectively enforces a
2403 // specified tab ctrl height, overriding all other considerations,
2404 // such as text or bitmap height.  It overrides any call to
2405 // SetUniformBitmapSize().  Specifying a height of -1 reverts
2406 // any previous call and returns to the default behavior
2407
2408 void wxAuiNotebook::SetTabCtrlHeight(int height)
2409 {
2410     m_requested_tabctrl_height = height;
2411
2412     // if window is already initialized, recalculate the tab height
2413     if (m_dummy_wnd)
2414     {
2415         UpdateTabCtrlHeight();
2416     }
2417 }
2418
2419
2420 // SetUniformBitmapSize() ensures that all tabs will have
2421 // the same height, even if some tabs don't have bitmaps
2422 // Passing wxDefaultSize to this function will instruct
2423 // the control to use dynamic tab height-- so when a tab
2424 // with a large bitmap is added, the tab ctrl's height will
2425 // automatically increase to accommodate the bitmap
2426
2427 void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
2428 {
2429     m_requested_bmp_size = size;
2430
2431     // if window is already initialized, recalculate the tab height
2432     if (m_dummy_wnd)
2433     {
2434         UpdateTabCtrlHeight();
2435     }
2436 }
2437
2438 // UpdateTabCtrlHeight() does the actual tab resizing. It's meant
2439 // to be used interally
2440 void wxAuiNotebook::UpdateTabCtrlHeight()
2441 {
2442     // get the tab ctrl height we will use
2443     int height = CalculateTabCtrlHeight();
2444
2445     // if the tab control height needs to change, update
2446     // all of our tab controls with the new height
2447     if (m_tab_ctrl_height != height)
2448     {
2449         wxAuiTabArt* art = m_tabs.GetArtProvider();
2450
2451         m_tab_ctrl_height = height;
2452
2453         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2454         size_t i, pane_count = all_panes.GetCount();
2455         for (i = 0; i < pane_count; ++i)
2456         {
2457             wxAuiPaneInfo& pane = all_panes.Item(i);
2458             if (pane.name == wxT("dummy"))
2459                 continue;
2460             wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2461             wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2462             tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
2463             tabctrl->SetArtProvider(art->Clone());
2464             tab_frame->DoSizing();
2465         }
2466     }
2467 }
2468
2469 void wxAuiNotebook::UpdateHintWindowSize()
2470 {
2471     wxSize size = CalculateNewSplitSize();
2472
2473     // the placeholder hint window should be set to this size
2474     wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
2475     if (info.IsOk())
2476     {
2477         info.MinSize(size);
2478         info.BestSize(size);
2479         m_dummy_wnd->SetSize(size);
2480     }
2481 }
2482
2483
2484 // calculates the size of the new split
2485 wxSize wxAuiNotebook::CalculateNewSplitSize()
2486 {
2487     // count number of tab controls
2488     int tab_ctrl_count = 0;
2489     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2490     size_t i, pane_count = all_panes.GetCount();
2491     for (i = 0; i < pane_count; ++i)
2492     {
2493         wxAuiPaneInfo& pane = all_panes.Item(i);
2494         if (pane.name == wxT("dummy"))
2495             continue;
2496         tab_ctrl_count++;
2497     }
2498
2499     wxSize new_split_size;
2500
2501     // if there is only one tab control, the first split
2502     // should happen around the middle
2503     if (tab_ctrl_count < 2)
2504     {
2505         new_split_size = GetClientSize();
2506         new_split_size.x /= 2;
2507         new_split_size.y /= 2;
2508     }
2509      else
2510     {
2511         // this is in place of a more complicated calculation
2512         // that needs to be implemented
2513         new_split_size = wxSize(180,180);
2514     }
2515
2516     return new_split_size;
2517 }
2518
2519 int wxAuiNotebook::CalculateTabCtrlHeight()
2520 {
2521     // if a fixed tab ctrl height is specified,
2522     // just return that instead of calculating a
2523     // tab height
2524     if (m_requested_tabctrl_height != -1)
2525         return m_requested_tabctrl_height;
2526
2527     // find out new best tab height
2528     wxAuiTabArt* art = m_tabs.GetArtProvider();
2529
2530     return art->GetBestTabCtrlSize(this,
2531                                    m_tabs.GetPages(),
2532                                    m_requested_bmp_size);
2533 }
2534
2535
2536 wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
2537 {
2538     return m_tabs.GetArtProvider();
2539 }
2540
2541 void wxAuiNotebook::SetWindowStyleFlag(long style)
2542 {
2543     wxControl::SetWindowStyleFlag(style);
2544
2545     m_flags = (unsigned int)style;
2546
2547     // if the control is already initialized
2548     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
2549     {
2550         // let all of the tab children know about the new style
2551
2552         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2553         size_t i, pane_count = all_panes.GetCount();
2554         for (i = 0; i < pane_count; ++i)
2555         {
2556             wxAuiPaneInfo& pane = all_panes.Item(i);
2557             if (pane.name == wxT("dummy"))
2558                 continue;
2559             wxTabFrame* tabframe = (wxTabFrame*)pane.window;
2560             wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
2561             tabctrl->SetFlags(m_flags);
2562             tabframe->DoSizing();
2563             tabctrl->Refresh();
2564             tabctrl->Update();
2565         }
2566     }
2567 }
2568
2569
2570 bool wxAuiNotebook::AddPage(wxWindow* page,
2571                             const wxString& caption,
2572                             bool select,
2573                             const wxBitmap& bitmap)
2574 {
2575     return InsertPage(GetPageCount(), page, caption, select, bitmap);
2576 }
2577
2578 bool wxAuiNotebook::InsertPage(size_t page_idx,
2579                                wxWindow* page,
2580                                const wxString& caption,
2581                                bool select,
2582                                const wxBitmap& bitmap)
2583 {
2584     wxAuiNotebookPage info;
2585     info.window = page;
2586     info.caption = caption;
2587     info.bitmap = bitmap;
2588     info.active = false;
2589
2590     // if there are currently no tabs, the first added
2591     // tab must be active
2592     if (m_tabs.GetPageCount() == 0)
2593         info.active = true;
2594
2595     m_tabs.InsertPage(page, info, page_idx);
2596
2597     // if that was the first page added, even if
2598     // select is false, it must become the "current page"
2599     // (though no select events will be fired)
2600     if (!select && m_tabs.GetPageCount() == 1)
2601         m_curpage = GetPageIndex(page);
2602
2603     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
2604     if (page_idx >= active_tabctrl->GetPageCount())
2605         active_tabctrl->AddPage(page, info);
2606          else
2607         active_tabctrl->InsertPage(page, info, page_idx);
2608
2609     UpdateTabCtrlHeight();
2610     DoSizing();
2611     active_tabctrl->DoShowHide();
2612
2613     if (select)
2614     {
2615         int idx = m_tabs.GetIdxFromWindow(page);
2616         wxASSERT_MSG(idx != -1, wxT("Invalid Page index returned on wxAuiNotebook::InsertPage()"));
2617
2618         SetSelection(idx);
2619     }
2620
2621     return true;
2622 }
2623
2624
2625 // DeletePage() removes a tab from the multi-notebook,
2626 // and destroys the window as well
2627 bool wxAuiNotebook::DeletePage(size_t page_idx)
2628 {
2629     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
2630
2631     if (!RemovePage(page_idx))
2632         return false;
2633
2634     // actually destroy the window now
2635     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2636     {
2637         // delete the child frame with pending delete, as is
2638         // customary with frame windows
2639         if (!wxPendingDelete.Member(wnd))
2640             wxPendingDelete.Append(wnd);
2641     }
2642      else
2643     {
2644         wnd->Destroy();
2645     }
2646
2647     return true;
2648 }
2649
2650
2651
2652 // RemovePage() removes a tab from the multi-notebook,
2653 // but does not destroy the window
2654 bool wxAuiNotebook::RemovePage(size_t page_idx)
2655 {
2656     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
2657     wxWindow* new_active = NULL;
2658
2659     // find out which onscreen tab ctrl owns this tab
2660     wxAuiTabCtrl* ctrl;
2661     int ctrl_idx;
2662     if (!FindTab(wnd, &ctrl, &ctrl_idx))
2663         return false;
2664
2665     // find a new page and set it as active
2666     int new_idx = ctrl_idx+1;
2667     if (new_idx >= (int)ctrl->GetPageCount())
2668         new_idx = ctrl_idx-1;
2669
2670     if (new_idx >= 0 && new_idx < (int)ctrl->GetPageCount())
2671     {
2672         new_active = ctrl->GetWindowFromIdx(new_idx);
2673     }
2674      else
2675     {
2676         // set the active page to the first page that
2677         // isn't the one being deleted
2678         size_t i, page_count = m_tabs.GetPageCount();
2679         for (i = 0; i < page_count; ++i)
2680         {
2681             wxWindow* w = m_tabs.GetWindowFromIdx(i);
2682             if (wnd != w)
2683             {
2684                 new_active = m_tabs.GetWindowFromIdx(i);
2685                 break;
2686             }
2687         }
2688     }
2689
2690     // remove the tab from main catalog
2691     if (!m_tabs.RemovePage(wnd))
2692         return false;
2693
2694     // remove the tab from the onscreen tab ctrl
2695     ctrl->RemovePage(wnd);
2696
2697
2698     RemoveEmptyTabFrames();
2699
2700     // set new active pane
2701     if (new_active)
2702     {
2703         m_curpage = -1;
2704         SetSelection(m_tabs.GetIdxFromWindow(new_active));
2705     }
2706
2707     return true;
2708 }
2709
2710 // GetPageIndex() returns the index of the page, or -1 if the
2711 // page could not be located in the notebook
2712 int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
2713 {
2714     return m_tabs.GetIdxFromWindow(page_wnd);
2715 }
2716
2717
2718
2719 // SetPageText() changes the tab caption of the specified page
2720 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
2721 {
2722     if (page_idx >= m_tabs.GetPageCount())
2723         return false;
2724
2725     // update our own tab catalog
2726     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
2727     page_info.caption = text;
2728
2729     // update what's on screen
2730     wxAuiTabCtrl* ctrl;
2731     int ctrl_idx;
2732     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
2733     {
2734         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
2735         info.caption = text;
2736         ctrl->Refresh();
2737         ctrl->Update();
2738     }
2739
2740     return true;
2741 }
2742
2743 // returns the page caption
2744 wxString wxAuiNotebook::GetPageText(size_t page_idx) const
2745 {
2746     if (page_idx >= m_tabs.GetPageCount())
2747         return wxEmptyString;
2748
2749     // update our own tab catalog
2750     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
2751     return page_info.caption;
2752 }
2753
2754 bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
2755 {
2756     if (page_idx >= m_tabs.GetPageCount())
2757         return false;
2758
2759     // update our own tab catalog
2760     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
2761     page_info.bitmap = bitmap;
2762
2763     // tab height might have changed
2764     UpdateTabCtrlHeight();
2765
2766     // update what's on screen
2767     wxAuiTabCtrl* ctrl;
2768     int ctrl_idx;
2769     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
2770     {
2771         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
2772         info.bitmap = bitmap;
2773         ctrl->Refresh();
2774         ctrl->Update();
2775     }
2776
2777     return true;
2778 }
2779
2780 // returns the page bitmap
2781 wxBitmap wxAuiNotebook::GetPageBitmap(size_t page_idx) const
2782 {
2783     if (page_idx >= m_tabs.GetPageCount())
2784         return wxBitmap();
2785
2786     // update our own tab catalog
2787     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
2788     return page_info.bitmap;
2789 }
2790
2791 // GetSelection() returns the index of the currently active page
2792 int wxAuiNotebook::GetSelection() const
2793 {
2794     return m_curpage;
2795 }
2796
2797 // SetSelection() sets the currently active page
2798 size_t wxAuiNotebook::SetSelection(size_t new_page)
2799 {
2800     // don't change the page unless necessary
2801     if ((int)new_page == m_curpage)
2802         return m_curpage;
2803
2804     wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
2805     if (!wnd)
2806         return m_curpage;
2807
2808     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2809     evt.SetSelection(new_page);
2810     evt.SetOldSelection(m_curpage);
2811     evt.SetEventObject(this);
2812     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
2813     {
2814         int old_curpage = m_curpage;
2815         m_curpage = new_page;
2816
2817         // program allows the page change
2818         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
2819         (void)GetEventHandler()->ProcessEvent(evt);
2820
2821
2822         wxAuiTabCtrl* ctrl;
2823         int ctrl_idx;
2824         if (FindTab(wnd, &ctrl, &ctrl_idx))
2825         {
2826             m_tabs.SetActivePage(wnd);
2827
2828             ctrl->SetActivePage(ctrl_idx);
2829             DoSizing();
2830             ctrl->DoShowHide();
2831
2832
2833
2834             // set fonts
2835             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2836             size_t i, pane_count = all_panes.GetCount();
2837             for (i = 0; i < pane_count; ++i)
2838             {
2839                 wxAuiPaneInfo& pane = all_panes.Item(i);
2840                 if (pane.name == wxT("dummy"))
2841                     continue;
2842                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
2843                 if (tabctrl != ctrl)
2844                     tabctrl->SetSelectedFont(m_normal_font);
2845                      else
2846                     tabctrl->SetSelectedFont(m_selected_font);
2847                 tabctrl->Refresh();
2848             }
2849
2850             wnd->SetFocus();
2851
2852             return old_curpage;
2853         }
2854     }
2855
2856     return m_curpage;
2857 }
2858
2859 // GetPageCount() returns the total number of
2860 // pages managed by the multi-notebook
2861 size_t wxAuiNotebook::GetPageCount() const
2862 {
2863     return m_tabs.GetPageCount();
2864 }
2865
2866 // GetPage() returns the wxWindow pointer of the
2867 // specified page
2868 wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
2869 {
2870     wxASSERT(page_idx < m_tabs.GetPageCount());
2871
2872     return m_tabs.GetWindowFromIdx(page_idx);
2873 }
2874
2875 // DoSizing() performs all sizing operations in each tab control
2876 void wxAuiNotebook::DoSizing()
2877 {
2878     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2879     size_t i, pane_count = all_panes.GetCount();
2880     for (i = 0; i < pane_count; ++i)
2881     {
2882         if (all_panes.Item(i).name == wxT("dummy"))
2883             continue;
2884
2885         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
2886         tabframe->DoSizing();
2887     }
2888 }
2889
2890 // GetActiveTabCtrl() returns the active tab control.  It is
2891 // called to determine which control gets new windows being added
2892 wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
2893 {
2894     if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
2895     {
2896         wxAuiTabCtrl* ctrl;
2897         int idx;
2898
2899         // find the tab ctrl with the current page
2900         if (FindTab(m_tabs.GetPage(m_curpage).window,
2901                     &ctrl, &idx))
2902         {
2903             return ctrl;
2904         }
2905     }
2906
2907     // no current page, just find the first tab ctrl
2908     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2909     size_t i, pane_count = all_panes.GetCount();
2910     for (i = 0; i < pane_count; ++i)
2911     {
2912         if (all_panes.Item(i).name == wxT("dummy"))
2913             continue;
2914
2915         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
2916         return tabframe->m_tabs;
2917     }
2918
2919     // If there is no tabframe at all, create one
2920     wxTabFrame* tabframe = new wxTabFrame;
2921     tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
2922     tabframe->m_tabs = new wxAuiTabCtrl(this,
2923                                         m_tab_id_counter++,
2924                                         wxDefaultPosition,
2925                                         wxDefaultSize,
2926                                         wxNO_BORDER);
2927     tabframe->m_tabs->SetFlags(m_flags);
2928     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
2929     m_mgr.AddPane(tabframe,
2930                   wxAuiPaneInfo().Center().CaptionVisible(false));
2931
2932     m_mgr.Update();
2933
2934     return tabframe->m_tabs;
2935 }
2936
2937 // FindTab() finds the tab control that currently contains the window as well
2938 // as the index of the window in the tab control.  It returns true if the
2939 // window was found, otherwise false.
2940 bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
2941 {
2942     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2943     size_t i, pane_count = all_panes.GetCount();
2944     for (i = 0; i < pane_count; ++i)
2945     {
2946         if (all_panes.Item(i).name == wxT("dummy"))
2947             continue;
2948
2949         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
2950
2951         int page_idx = tabframe->m_tabs->GetIdxFromWindow(page);
2952         if (page_idx != -1)
2953         {
2954             *ctrl = tabframe->m_tabs;
2955             *idx = page_idx;
2956             return true;
2957         }
2958     }
2959
2960     return false;
2961 }
2962
2963 void wxAuiNotebook::OnSize(wxSizeEvent& evt)
2964 {
2965     UpdateHintWindowSize();
2966
2967     evt.Skip();
2968 }
2969
2970 void wxAuiNotebook::OnTabClicked(wxCommandEvent& command_evt)
2971 {
2972     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
2973
2974     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
2975     wxASSERT(ctrl != NULL);
2976
2977     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
2978     wxASSERT(wnd != NULL);
2979
2980     int idx = m_tabs.GetIdxFromWindow(wnd);
2981     wxASSERT(idx != -1);
2982
2983     SetSelection(idx);
2984 }
2985
2986 void wxAuiNotebook::OnTabBeginDrag(wxCommandEvent&)
2987 {
2988     m_last_drag_x = 0;
2989 }
2990
2991 void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
2992 {
2993     wxPoint screen_pt = ::wxGetMousePosition();
2994     wxPoint client_pt = ScreenToClient(screen_pt);
2995     wxPoint zero(0,0);
2996
2997     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
2998     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
2999
3000     if (dest_tabs == src_tabs)
3001     {
3002         if (src_tabs)
3003         {
3004             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3005         }
3006
3007         // always hide the hint for inner-tabctrl drag
3008         m_mgr.HideHint();
3009
3010         // if tab moving is not allowed, leave
3011         if (!(m_flags & wxAUI_NB_TAB_MOVE))
3012         {
3013             return;
3014         }
3015
3016         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
3017         wxWindow* dest_location_tab;
3018
3019         // this is an inner-tab drag/reposition
3020         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
3021         {
3022             int src_idx = evt.GetSelection();
3023             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
3024
3025             // prevent jumpy drag
3026             if ((src_idx == dest_idx) || dest_idx == -1 ||
3027                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
3028                 (src_idx < dest_idx && m_last_drag_x >= pt.x))
3029             {
3030                 m_last_drag_x = pt.x;
3031                 return;
3032             }
3033
3034
3035             wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
3036             dest_tabs->MovePage(src_tab, dest_idx);
3037             dest_tabs->SetActivePage((size_t)dest_idx);
3038             dest_tabs->DoShowHide();
3039             dest_tabs->Refresh();
3040             m_last_drag_x = pt.x;
3041
3042         }
3043
3044         return;
3045     }
3046
3047
3048     // if external drag is allowed, check if the tab is being dragged
3049     // over a different wxAuiNotebook control
3050     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3051     {
3052         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
3053
3054         // if we aren't over any window, stop here
3055         if (!tab_ctrl)
3056             return;
3057
3058         // make sure we are not over the hint window
3059         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
3060         {
3061             while (tab_ctrl)
3062             {
3063                 if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3064                     break;
3065                 tab_ctrl = tab_ctrl->GetParent();
3066             }
3067
3068             if (tab_ctrl)
3069             {
3070                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3071
3072                 if (nb != this)
3073                 {
3074                     wxRect hint_rect = tab_ctrl->GetClientRect();
3075                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
3076                     m_mgr.ShowHint(hint_rect);
3077                     return;
3078                 }
3079             }
3080         }
3081          else
3082         {
3083             if (!dest_tabs)
3084             {
3085                 // we are either over a hint window, or not over a tab
3086                 // window, and there is no where to drag to, so exit
3087                 return;
3088             }
3089         }
3090     }
3091
3092
3093     // if there are less than two panes, split can't happen, so leave
3094     if (m_tabs.GetPageCount() < 2)
3095         return;
3096
3097     // if tab moving is not allowed, leave
3098     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
3099         return;
3100
3101
3102     if (src_tabs)
3103     {
3104         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
3105     }
3106
3107
3108     if (dest_tabs)
3109     {
3110         wxRect hint_rect = dest_tabs->GetRect();
3111         ClientToScreen(&hint_rect.x, &hint_rect.y);
3112         m_mgr.ShowHint(hint_rect);
3113     }
3114      else
3115     {
3116         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
3117     }
3118 }
3119
3120
3121
3122 void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
3123 {
3124     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
3125
3126     m_mgr.HideHint();
3127
3128
3129     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3130     wxAuiTabCtrl* dest_tabs = NULL;
3131     if (src_tabs)
3132     {
3133         // set cursor back to an arrow
3134         src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3135     }
3136
3137     // get the mouse position, which will be used to determine the drop point
3138     wxPoint mouse_screen_pt = ::wxGetMousePosition();
3139     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
3140
3141
3142
3143     // check for an external move
3144     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3145     {
3146         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
3147
3148         while (tab_ctrl)
3149         {
3150             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3151                 break;
3152             tab_ctrl = tab_ctrl->GetParent();
3153         }
3154
3155         if (tab_ctrl)
3156         {
3157             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3158
3159             if (nb != this)
3160             {
3161                 // find out from the destination control
3162                 // if it's ok to drop this tab here
3163                 wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
3164                 e.SetSelection(evt.GetSelection());
3165                 e.SetOldSelection(evt.GetSelection());
3166                 e.SetEventObject(this);
3167                 e.SetDragSource(this);
3168                 e.Veto(); // dropping must be explicitly approved by control owner
3169
3170                 nb->GetEventHandler()->ProcessEvent(e);
3171
3172                 if (!e.IsAllowed())
3173                 {
3174                     // no answer or negative answer
3175                     m_mgr.HideHint();
3176                     return;
3177                 }
3178
3179                 // drop was allowed
3180                 int src_idx = evt.GetSelection();
3181                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
3182
3183                 // get main index of the page
3184                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
3185
3186                 // make a copy of the page info
3187                 wxAuiNotebookPage page_info = m_tabs.GetPage((size_t)main_idx);
3188
3189                 // remove the page from the source notebook
3190                 RemovePage(main_idx);
3191
3192                 // reparent the page
3193                 src_page->Reparent(nb);
3194
3195
3196                 // found out the insert idx
3197                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
3198                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3199
3200                 wxWindow* target = NULL;
3201                 int insert_idx = -1;
3202                 dest_tabs->TabHitTest(pt.x, pt.y, &target);
3203                 if (target)
3204                 {
3205                     insert_idx = dest_tabs->GetIdxFromWindow(target);
3206                 }
3207
3208
3209                 // add the page to the new notebook
3210                 if (insert_idx == -1)
3211                     insert_idx = dest_tabs->GetPageCount();
3212                 dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3213                 nb->m_tabs.AddPage(page_info.window, page_info);
3214
3215                 nb->DoSizing();
3216                 dest_tabs->DoShowHide();
3217                 dest_tabs->Refresh();
3218
3219                 // set the selection in the destination tab control
3220                 nb->SetSelection(nb->m_tabs.GetIdxFromWindow(page_info.window));
3221
3222                 return;
3223             }
3224         }
3225     }
3226
3227
3228
3229
3230     // only perform a tab split if it's allowed
3231     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
3232     {
3233         // If the pointer is in an existing tab frame, do a tab insert
3234         wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
3235         wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
3236         int insert_idx = -1;
3237         if (tab_frame)
3238         {
3239             dest_tabs = tab_frame->m_tabs;
3240
3241             if (dest_tabs == src_tabs)
3242                 return;
3243
3244
3245             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3246             wxWindow* target = NULL;
3247             dest_tabs->TabHitTest(pt.x, pt.y, &target);
3248             if (target)
3249             {
3250                 insert_idx = dest_tabs->GetIdxFromWindow(target);
3251             }
3252         }
3253          else
3254         {
3255             wxPoint zero(0,0);
3256             wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
3257                                                   mouse_client_pt,
3258                                                   zero);
3259             if (rect.IsEmpty())
3260             {
3261                 // there is no suitable drop location here, exit out
3262                 return;
3263             }
3264
3265             // If there is no tabframe at all, create one
3266             wxTabFrame* new_tabs = new wxTabFrame;
3267             new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
3268             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3269             new_tabs->m_tabs = new wxAuiTabCtrl(this,
3270                                                 m_tab_id_counter++,
3271                                                 wxDefaultPosition,
3272                                                 wxDefaultSize,
3273                                                 wxNO_BORDER);
3274             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3275             new_tabs->m_tabs->SetFlags(m_flags);
3276
3277             m_mgr.AddPane(new_tabs,
3278                           wxAuiPaneInfo().Bottom().CaptionVisible(false),
3279                           mouse_client_pt);
3280             m_mgr.Update();
3281             dest_tabs = new_tabs->m_tabs;
3282         }
3283
3284
3285
3286         // remove the page from the source tabs
3287         wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
3288         page_info.active = false;
3289         src_tabs->RemovePage(page_info.window);
3290         if (src_tabs->GetPageCount() > 0)
3291         {
3292             src_tabs->SetActivePage((size_t)0);
3293             src_tabs->DoShowHide();
3294             src_tabs->Refresh();
3295         }
3296
3297
3298
3299         // add the page to the destination tabs
3300         if (insert_idx == -1)
3301             insert_idx = dest_tabs->GetPageCount();
3302         dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3303
3304         if (src_tabs->GetPageCount() == 0)
3305         {
3306             RemoveEmptyTabFrames();
3307         }
3308
3309         DoSizing();
3310         dest_tabs->DoShowHide();
3311         dest_tabs->Refresh();
3312
3313         // force the set selection function reset the selection
3314         m_curpage = -1;
3315
3316         // set the active page to the one we just split off
3317         SetSelection(m_tabs.GetIdxFromWindow(page_info.window));
3318
3319         UpdateHintWindowSize();
3320     }
3321 }
3322
3323
3324
3325 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
3326 {
3327     // if we've just removed the last tab from the source
3328     // tab set, the remove the tab control completely
3329     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3330     size_t i, pane_count = all_panes.GetCount();
3331     for (i = 0; i < pane_count; ++i)
3332     {
3333         if (all_panes.Item(i).name == wxT("dummy"))
3334             continue;
3335
3336         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3337         if (tabframe->m_tab_rect.Contains(pt))
3338             return tabframe->m_tabs;
3339     }
3340
3341     return NULL;
3342 }
3343
3344 wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
3345 {
3346     // if we've just removed the last tab from the source
3347     // tab set, the remove the tab control completely
3348     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3349     size_t i, pane_count = all_panes.GetCount();
3350     for (i = 0; i < pane_count; ++i)
3351     {
3352         if (all_panes.Item(i).name == wxT("dummy"))
3353             continue;
3354
3355         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3356         if (tabframe->m_tabs == tab_ctrl)
3357         {
3358             return tabframe;
3359         }
3360     }
3361
3362     return NULL;
3363 }
3364
3365 void wxAuiNotebook::RemoveEmptyTabFrames()
3366 {
3367     // if we've just removed the last tab from the source
3368     // tab set, the remove the tab control completely
3369     wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
3370     size_t i, pane_count = all_panes.GetCount();
3371     for (i = 0; i < pane_count; ++i)
3372     {
3373         if (all_panes.Item(i).name == wxT("dummy"))
3374             continue;
3375
3376         wxTabFrame* tab_frame = (wxTabFrame*)all_panes.Item(i).window;
3377         if (tab_frame->m_tabs->GetPageCount() == 0)
3378         {
3379             m_mgr.DetachPane(tab_frame);
3380
3381             // use pending delete because sometimes during
3382             // window closing, refreshs are pending
3383             if (!wxPendingDelete.Member(tab_frame->m_tabs))
3384                 wxPendingDelete.Append(tab_frame->m_tabs);
3385             //tab_frame->m_tabs->Destroy();
3386
3387             delete tab_frame;
3388         }
3389     }
3390
3391
3392     // check to see if there is still a center pane;
3393     // if there isn't, make a frame the center pane
3394     wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
3395     pane_count = panes.GetCount();
3396     wxWindow* first_good = NULL;
3397     bool center_found = false;
3398     for (i = 0; i < pane_count; ++i)
3399     {
3400         if (panes.Item(i).name == wxT("dummy"))
3401             continue;
3402         if (panes.Item(i).dock_direction == wxAUI_DOCK_CENTRE)
3403             center_found = true;
3404         if (!first_good)
3405             first_good = panes.Item(i).window;
3406     }
3407
3408     if (!center_found && first_good)
3409     {
3410         m_mgr.GetPane(first_good).Centre();
3411     }
3412
3413     m_mgr.Update();
3414 }
3415
3416 void wxAuiNotebook::OnChildFocus(wxChildFocusEvent& evt)
3417 {
3418     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
3419     if (idx != -1 && idx != m_curpage)
3420     {
3421         SetSelection(idx);
3422     }
3423 }
3424
3425
3426 void wxAuiNotebook::OnTabButton(wxCommandEvent& command_evt)
3427 {
3428     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
3429     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3430
3431     int button_id = evt.GetInt();
3432
3433     if (button_id == wxAUI_BUTTON_CLOSE)
3434     {
3435         int selection = tabs->GetActivePage();
3436
3437         if (selection != -1)
3438         {
3439             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
3440
3441
3442             // ask owner if it's ok to close the tab
3443             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
3444             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
3445             e.SetOldSelection(evt.GetSelection());
3446             e.SetEventObject(this);
3447             GetEventHandler()->ProcessEvent(e);
3448             if (!e.IsAllowed())
3449                 return;
3450
3451
3452             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
3453             {
3454                 close_wnd->Close();
3455             }
3456              else
3457             {
3458                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
3459                 DeletePage(main_idx);
3460             }
3461         }
3462     }
3463 }
3464
3465
3466
3467
3468 #endif // wxUSE_AUI