src/aui/auibook.cpp

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