src/aui/auibook.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/aui/auibook.cpp
   3 // Purpose:     wxaui: wx advanced user interface - notebook
   4 // Author:      Benjamin I. Williams
   5 // Modified by:
   6 // Created:     2006-06-28
   7 // Copyright:   (C) Copyright 2006, Kirix Corporation, All Rights Reserved
   8 // Licence:     wxWindows Library Licence, Version 3.1
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ----------------------------------------------------------------------------
  12 // headers
  13 // ----------------------------------------------------------------------------
  14
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #if wxUSE_AUI
  22
  23 #include "wx/aui/auibook.h"
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/settings.h"
  27     #include "wx/image.h"
  28     #include "wx/menu.h"
  29 #endif
  30
  31 #include "wx/aui/tabmdi.h"
  32 #include "wx/dcbuffer.h"
  33
  34 #include "wx/renderer.h"
  35
  36 #ifdef __WXMAC__
  37 #include "wx/osx/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             int height = m_rect.height - m_tab_ctrl_height;
2716             if ( height < 0 )
2717             {
2718                 // avoid passing negative height to wxWindow::SetSize(), this
2719                 // results in assert failures/GTK+ warnings
2720                 height = 0;
2721             }
2722
2723             wxAuiNotebookPage& page = pages.Item(i);
2724             if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
2725             {
2726                 page.window->SetSize(m_rect.x, m_rect.y, m_rect.width, height);
2727             }
2728             else //TODO: if (GetFlags() & wxAUI_NB_TOP)
2729             {
2730                 page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
2731                                      m_rect.width, height);
2732             }
2733             // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
2734             // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
2735
2736 #if wxUSE_MDI
2737             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2738             {
2739                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
2740                 wnd->ApplyMDIChildFrameRect();
2741             }
2742 #endif
2743         }
2744     }
2745
2746 protected:
2747     void DoGetSize(int* x, int* y) const
2748     {
2749         if (x)
2750             *x = m_rect.GetWidth();
2751         if (y)
2752             *y = m_rect.GetHeight();
2753     }
2754
2755 public:
2756     void Update()
2757     {
2758         // does nothing
2759     }
2760
2761     wxRect m_rect;
2762     wxRect m_tab_rect;
2763     wxAuiTabCtrl* m_tabs;
2764     int m_tab_ctrl_height;
2765 };
2766
2767
2768 const int wxAuiBaseTabCtrlId = 5380;
2769
2770
2771 // -- wxAuiNotebook class implementation --
2772
2773 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
2774     EVT_SIZE(wxAuiNotebook::OnSize)
2775     EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocusNotebook)
2776     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2777                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
2778                       wxAuiNotebook::OnTabClicked)
2779     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2780                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
2781                       wxAuiNotebook::OnTabBeginDrag)
2782     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2783                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
2784                       wxAuiNotebook::OnTabEndDrag)
2785     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2786                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
2787                       wxAuiNotebook::OnTabDragMotion)
2788     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2789                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
2790                       wxAuiNotebook::OnTabButton)
2791     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2792                       wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN,
2793                       wxAuiNotebook::OnTabMiddleDown)
2794     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2795                       wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP,
2796                       wxAuiNotebook::OnTabMiddleUp)
2797     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2798                       wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN,
2799                       wxAuiNotebook::OnTabRightDown)
2800     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2801                       wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP,
2802                       wxAuiNotebook::OnTabRightUp)
2803     EVT_COMMAND_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2804                       wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK,
2805                       wxAuiNotebook::OnTabBgDClick)
2806     EVT_NAVIGATION_KEY(wxAuiNotebook::OnNavigationKeyNotebook)
2807
2808 #ifdef wxHAS_NATIVE_TAB_TRAVERSAL
2809     WX_EVENT_TABLE_CONTROL_CONTAINER(wxAuiNotebook)
2810 #else
2811     // Avoid clash with container event handler functions
2812     EVT_SET_FOCUS(wxAuiNotebook::OnFocus)
2813 #endif
2814 END_EVENT_TABLE()
2815
2816 WX_DELEGATE_TO_CONTROL_CONTAINER(wxAuiNotebook, wxControl)
2817
2818 wxAuiNotebook::wxAuiNotebook()
2819 {
2820     m_curpage = -1;
2821     m_tab_id_counter = wxAuiBaseTabCtrlId;
2822     m_dummy_wnd = NULL;
2823     m_tab_ctrl_height = 20;
2824     m_requested_bmp_size = wxDefaultSize;
2825     m_requested_tabctrl_height = -1;
2826 }
2827
2828 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
2829                              wxWindowID id,
2830                              const wxPoint& pos,
2831                              const wxSize& size,
2832                              long style) : wxControl(parent, id, pos, size, style)
2833 {
2834     m_dummy_wnd = NULL;
2835     m_requested_bmp_size = wxDefaultSize;
2836     m_requested_tabctrl_height = -1;
2837     InitNotebook(style);
2838 }
2839
2840 bool wxAuiNotebook::Create(wxWindow* parent,
2841                            wxWindowID id,
2842                            const wxPoint& pos,
2843                            const wxSize& size,
2844                            long style)
2845 {
2846     if (!wxControl::Create(parent, id, pos, size, style))
2847         return false;
2848
2849     InitNotebook(style);
2850
2851     return true;
2852 }
2853
2854 // InitNotebook() contains common initialization
2855 // code called by all constructors
2856 void wxAuiNotebook::InitNotebook(long style)
2857 {
2858     WX_INIT_CONTROL_CONTAINER();
2859     // SetCanFocus(false);
2860
2861     SetName(wxT("wxAuiNotebook"));
2862     m_curpage = -1;
2863     m_tab_id_counter = wxAuiBaseTabCtrlId;
2864     m_dummy_wnd = NULL;
2865     m_flags = (unsigned int)style;
2866     m_tab_ctrl_height = 20;
2867
2868     m_normal_font = *wxNORMAL_FONT;
2869     m_selected_font = *wxNORMAL_FONT;
2870     m_selected_font.SetWeight(wxBOLD);
2871
2872     SetArtProvider(new wxAuiDefaultTabArt);
2873
2874     m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
2875     m_dummy_wnd->SetSize(200, 200);
2876     m_dummy_wnd->Show(false);
2877
2878     m_mgr.SetManagedWindow(this);
2879     m_mgr.SetFlags(wxAUI_MGR_DEFAULT);
2880     m_mgr.SetDockSizeConstraint(1.0, 1.0); // no dock size constraint
2881
2882     m_mgr.AddPane(m_dummy_wnd,
2883               wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
2884
2885     m_mgr.Update();
2886 }
2887
2888 wxAuiNotebook::~wxAuiNotebook()
2889 {
2890     // Indicate we're deleting pages
2891     m_isBeingDeleted = true;
2892
2893     while ( GetPageCount() > 0 )
2894         DeletePage(0);
2895
2896     m_mgr.UnInit();
2897 }
2898
2899 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
2900 {
2901     m_tabs.SetArtProvider(art);
2902
2903     UpdateTabCtrlHeight();
2904 }
2905
2906 // SetTabCtrlHeight() is the highest-level override of the
2907 // tab height.  A call to this function effectively enforces a
2908 // specified tab ctrl height, overriding all other considerations,
2909 // such as text or bitmap height.  It overrides any call to
2910 // SetUniformBitmapSize().  Specifying a height of -1 reverts
2911 // any previous call and returns to the default behavior
2912
2913 void wxAuiNotebook::SetTabCtrlHeight(int height)
2914 {
2915     m_requested_tabctrl_height = height;
2916
2917     // if window is already initialized, recalculate the tab height
2918     if (m_dummy_wnd)
2919     {
2920         UpdateTabCtrlHeight();
2921     }
2922 }
2923
2924
2925 // SetUniformBitmapSize() ensures that all tabs will have
2926 // the same height, even if some tabs don't have bitmaps
2927 // Passing wxDefaultSize to this function will instruct
2928 // the control to use dynamic tab height-- so when a tab
2929 // with a large bitmap is added, the tab ctrl's height will
2930 // automatically increase to accommodate the bitmap
2931
2932 void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
2933 {
2934     m_requested_bmp_size = size;
2935
2936     // if window is already initialized, recalculate the tab height
2937     if (m_dummy_wnd)
2938     {
2939         UpdateTabCtrlHeight();
2940     }
2941 }
2942
2943 // UpdateTabCtrlHeight() does the actual tab resizing. It's meant
2944 // to be used interally
2945 void wxAuiNotebook::UpdateTabCtrlHeight()
2946 {
2947     // get the tab ctrl height we will use
2948     int height = CalculateTabCtrlHeight();
2949
2950     // if the tab control height needs to change, update
2951     // all of our tab controls with the new height
2952     if (m_tab_ctrl_height != height)
2953     {
2954         wxAuiTabArt* art = m_tabs.GetArtProvider();
2955
2956         m_tab_ctrl_height = height;
2957
2958         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2959         size_t i, pane_count = all_panes.GetCount();
2960         for (i = 0; i < pane_count; ++i)
2961         {
2962             wxAuiPaneInfo& pane = all_panes.Item(i);
2963             if (pane.name == wxT("dummy"))
2964                 continue;
2965             wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2966             wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2967             tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
2968             tabctrl->SetArtProvider(art->Clone());
2969             tab_frame->DoSizing();
2970         }
2971     }
2972 }
2973
2974 void wxAuiNotebook::UpdateHintWindowSize()
2975 {
2976     wxSize size = CalculateNewSplitSize();
2977
2978     // the placeholder hint window should be set to this size
2979     wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
2980     if (info.IsOk())
2981     {
2982         info.MinSize(size);
2983         info.BestSize(size);
2984         m_dummy_wnd->SetSize(size);
2985     }
2986 }
2987
2988
2989 // calculates the size of the new split
2990 wxSize wxAuiNotebook::CalculateNewSplitSize()
2991 {
2992     // count number of tab controls
2993     int tab_ctrl_count = 0;
2994     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2995     size_t i, pane_count = all_panes.GetCount();
2996     for (i = 0; i < pane_count; ++i)
2997     {
2998         wxAuiPaneInfo& pane = all_panes.Item(i);
2999         if (pane.name == wxT("dummy"))
3000             continue;
3001         tab_ctrl_count++;
3002     }
3003
3004     wxSize new_split_size;
3005
3006     // if there is only one tab control, the first split
3007     // should happen around the middle
3008     if (tab_ctrl_count < 2)
3009     {
3010         new_split_size = GetClientSize();
3011         new_split_size.x /= 2;
3012         new_split_size.y /= 2;
3013     }
3014     else
3015     {
3016         // this is in place of a more complicated calculation
3017         // that needs to be implemented
3018         new_split_size = wxSize(180,180);
3019     }
3020
3021     return new_split_size;
3022 }
3023
3024 int wxAuiNotebook::CalculateTabCtrlHeight()
3025 {
3026     // if a fixed tab ctrl height is specified,
3027     // just return that instead of calculating a
3028     // tab height
3029     if (m_requested_tabctrl_height != -1)
3030         return m_requested_tabctrl_height;
3031
3032     // find out new best tab height
3033     wxAuiTabArt* art = m_tabs.GetArtProvider();
3034
3035     return art->GetBestTabCtrlSize(this,
3036                                    m_tabs.GetPages(),
3037                                    m_requested_bmp_size);
3038 }
3039
3040
3041 wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
3042 {
3043     return m_tabs.GetArtProvider();
3044 }
3045
3046 void wxAuiNotebook::SetWindowStyleFlag(long style)
3047 {
3048     wxControl::SetWindowStyleFlag(style);
3049
3050     m_flags = (unsigned int)style;
3051
3052     // if the control is already initialized
3053     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
3054     {
3055         // let all of the tab children know about the new style
3056
3057         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3058         size_t i, pane_count = all_panes.GetCount();
3059         for (i = 0; i < pane_count; ++i)
3060         {
3061             wxAuiPaneInfo& pane = all_panes.Item(i);
3062             if (pane.name == wxT("dummy"))
3063                 continue;
3064             wxTabFrame* tabframe = (wxTabFrame*)pane.window;
3065             wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
3066             tabctrl->SetFlags(m_flags);
3067             tabframe->DoSizing();
3068             tabctrl->Refresh();
3069             tabctrl->Update();
3070         }
3071     }
3072 }
3073
3074
3075 bool wxAuiNotebook::AddPage(wxWindow* page,
3076                             const wxString& caption,
3077                             bool select,
3078                             const wxBitmap& bitmap)
3079 {
3080     return InsertPage(GetPageCount(), page, caption, select, bitmap);
3081 }
3082
3083 bool wxAuiNotebook::InsertPage(size_t page_idx,
3084                                wxWindow* page,
3085                                const wxString& caption,
3086                                bool select,
3087                                const wxBitmap& bitmap)
3088 {
3089     wxASSERT_MSG(page, wxT("page pointer must be non-NULL"));
3090     if (!page)
3091         return false;
3092
3093     page->Reparent(this);
3094
3095     wxAuiNotebookPage info;
3096     info.window = page;
3097     info.caption = caption;
3098     info.bitmap = bitmap;
3099     info.active = false;
3100
3101     // if there are currently no tabs, the first added
3102     // tab must be active
3103     if (m_tabs.GetPageCount() == 0)
3104         info.active = true;
3105
3106     m_tabs.InsertPage(page, info, page_idx);
3107
3108     // if that was the first page added, even if
3109     // select is false, it must become the "current page"
3110     // (though no select events will be fired)
3111     if (!select && m_tabs.GetPageCount() == 1)
3112         select = true;
3113         //m_curpage = GetPageIndex(page);
3114
3115     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
3116     if (page_idx >= active_tabctrl->GetPageCount())
3117         active_tabctrl->AddPage(page, info);
3118     else
3119         active_tabctrl->InsertPage(page, info, page_idx);
3120
3121     UpdateTabCtrlHeight();
3122     DoSizing();
3123     active_tabctrl->DoShowHide();
3124
3125     // adjust selected index
3126     if(m_curpage >= (int) page_idx)
3127         m_curpage++;
3128
3129     if (select)
3130     {
3131         SetSelectionToWindow(page);
3132     }
3133
3134     return true;
3135 }
3136
3137
3138 // DeletePage() removes a tab from the multi-notebook,
3139 // and destroys the window as well
3140 bool wxAuiNotebook::DeletePage(size_t page_idx)
3141 {
3142     if (page_idx >= m_tabs.GetPageCount())
3143         return false;
3144
3145     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3146
3147     // hide the window in advance, as this will
3148     // prevent flicker
3149     ShowWnd(wnd, false);
3150
3151     if (!RemovePage(page_idx))
3152         return false;
3153
3154 #if wxUSE_MDI
3155     // actually destroy the window now
3156     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
3157     {
3158         // delete the child frame with pending delete, as is
3159         // customary with frame windows
3160         if (!wxPendingDelete.Member(wnd))
3161             wxPendingDelete.Append(wnd);
3162     }
3163     else
3164 #endif
3165     {
3166         wnd->Destroy();
3167     }
3168
3169     return true;
3170 }
3171
3172
3173
3174 // RemovePage() removes a tab from the multi-notebook,
3175 // but does not destroy the window
3176 bool wxAuiNotebook::RemovePage(size_t page_idx)
3177 {
3178     // save active window pointer
3179     wxWindow* active_wnd = NULL;
3180     if (m_curpage >= 0)
3181         active_wnd = m_tabs.GetWindowFromIdx(m_curpage);
3182
3183     // save pointer of window being deleted
3184     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3185     wxWindow* new_active = NULL;
3186
3187     // make sure we found the page
3188     if (!wnd)
3189         return false;
3190
3191     // find out which onscreen tab ctrl owns this tab
3192     wxAuiTabCtrl* ctrl;
3193     int ctrl_idx;
3194     if (!FindTab(wnd, &ctrl, &ctrl_idx))
3195         return false;
3196
3197     bool is_curpage = (m_curpage == (int)page_idx);
3198     bool is_active_in_split = ctrl->GetPage(ctrl_idx).active;
3199
3200
3201     // remove the tab from main catalog
3202     if (!m_tabs.RemovePage(wnd))
3203         return false;
3204
3205     // remove the tab from the onscreen tab ctrl
3206     ctrl->RemovePage(wnd);
3207
3208     if (is_active_in_split)
3209     {
3210         int ctrl_new_page_count = (int)ctrl->GetPageCount();
3211
3212         if (ctrl_idx >= ctrl_new_page_count)
3213             ctrl_idx = ctrl_new_page_count-1;
3214
3215         if (ctrl_idx >= 0 && ctrl_idx < (int)ctrl->GetPageCount())
3216         {
3217             // set new page as active in the tab split
3218             ctrl->SetActivePage(ctrl_idx);
3219
3220             // if the page deleted was the current page for the
3221             // entire tab control, then record the window
3222             // pointer of the new active page for activation
3223             if (is_curpage)
3224             {
3225                 new_active = ctrl->GetWindowFromIdx(ctrl_idx);
3226             }
3227         }
3228     }
3229     else
3230     {
3231         // we are not deleting the active page, so keep it the same
3232         new_active = active_wnd;
3233     }
3234
3235
3236     if (!new_active)
3237     {
3238         // we haven't yet found a new page to active,
3239         // so select the next page from the main tab
3240         // catalogue
3241
3242         if (page_idx < m_tabs.GetPageCount())
3243         {
3244             new_active = m_tabs.GetPage(page_idx).window;
3245         }
3246
3247         if (!new_active && m_tabs.GetPageCount() > 0)
3248         {
3249             new_active = m_tabs.GetPage(0).window;
3250         }
3251     }
3252
3253
3254     RemoveEmptyTabFrames();
3255
3256     // set new active pane
3257     if (new_active && !m_isBeingDeleted)
3258     {
3259         m_curpage = -1;
3260         SetSelectionToWindow(new_active);
3261     }
3262
3263     return true;
3264 }
3265
3266 // GetPageIndex() returns the index of the page, or -1 if the
3267 // page could not be located in the notebook
3268 int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
3269 {
3270     return m_tabs.GetIdxFromWindow(page_wnd);
3271 }
3272
3273
3274
3275 // SetPageText() changes the tab caption of the specified page
3276 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
3277 {
3278     if (page_idx >= m_tabs.GetPageCount())
3279         return false;
3280
3281     // update our own tab catalog
3282     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3283     page_info.caption = text;
3284
3285     // update what's on screen
3286     wxAuiTabCtrl* ctrl;
3287     int ctrl_idx;
3288     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3289     {
3290         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3291         info.caption = text;
3292         ctrl->Refresh();
3293         ctrl->Update();
3294     }
3295
3296     return true;
3297 }
3298
3299 // returns the page caption
3300 wxString wxAuiNotebook::GetPageText(size_t page_idx) const
3301 {
3302     if (page_idx >= m_tabs.GetPageCount())
3303         return wxEmptyString;
3304
3305     // update our own tab catalog
3306     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3307     return page_info.caption;
3308 }
3309
3310 bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
3311 {
3312     if (page_idx >= m_tabs.GetPageCount())
3313         return false;
3314
3315     // update our own tab catalog
3316     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3317     page_info.bitmap = bitmap;
3318
3319     // tab height might have changed
3320     UpdateTabCtrlHeight();
3321
3322     // update what's on screen
3323     wxAuiTabCtrl* ctrl;
3324     int ctrl_idx;
3325     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3326     {
3327         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3328         info.bitmap = bitmap;
3329         ctrl->Refresh();
3330         ctrl->Update();
3331     }
3332
3333     return true;
3334 }
3335
3336 // returns the page bitmap
3337 wxBitmap wxAuiNotebook::GetPageBitmap(size_t page_idx) const
3338 {
3339     if (page_idx >= m_tabs.GetPageCount())
3340         return wxBitmap();
3341
3342     // update our own tab catalog
3343     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3344     return page_info.bitmap;
3345 }
3346
3347 // GetSelection() returns the index of the currently active page
3348 int wxAuiNotebook::GetSelection() const
3349 {
3350     return m_curpage;
3351 }
3352
3353 // SetSelection() sets the currently active page
3354 size_t wxAuiNotebook::SetSelection(size_t new_page)
3355 {
3356     wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
3357     if (!wnd)
3358         return m_curpage;
3359
3360     // don't change the page unless necessary;
3361     // however, clicking again on a tab should give it the focus.
3362     if ((int)new_page == m_curpage)
3363     {
3364         wxAuiTabCtrl* ctrl;
3365         int ctrl_idx;
3366         if (FindTab(wnd, &ctrl, &ctrl_idx))
3367         {
3368             if (FindFocus() != ctrl)
3369                 ctrl->SetFocus();
3370         }
3371         return m_curpage;
3372     }
3373
3374     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
3375     evt.SetSelection(new_page);
3376     evt.SetOldSelection(m_curpage);
3377     evt.SetEventObject(this);
3378     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
3379     {
3380         int old_curpage = m_curpage;
3381         m_curpage = new_page;
3382
3383         // program allows the page change
3384         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
3385         (void)GetEventHandler()->ProcessEvent(evt);
3386
3387
3388         wxAuiTabCtrl* ctrl;
3389         int ctrl_idx;
3390         if (FindTab(wnd, &ctrl, &ctrl_idx))
3391         {
3392             m_tabs.SetActivePage(wnd);
3393
3394             ctrl->SetActivePage(ctrl_idx);
3395             DoSizing();
3396             ctrl->DoShowHide();
3397
3398             ctrl->MakeTabVisible(ctrl_idx, ctrl);
3399
3400             // set fonts
3401             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3402             size_t i, pane_count = all_panes.GetCount();
3403             for (i = 0; i < pane_count; ++i)
3404             {
3405                 wxAuiPaneInfo& pane = all_panes.Item(i);
3406                 if (pane.name == wxT("dummy"))
3407                     continue;
3408                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
3409                 if (tabctrl != ctrl)
3410                     tabctrl->SetSelectedFont(m_normal_font);
3411                 else
3412                     tabctrl->SetSelectedFont(m_selected_font);
3413                 tabctrl->Refresh();
3414             }
3415
3416             // Set the focus to the page if we're not currently focused on the tab.
3417             // This is Firefox-like behaviour.
3418             if (wnd->IsShownOnScreen() && FindFocus() != ctrl)
3419                 wnd->SetFocus();
3420
3421             return old_curpage;
3422         }
3423     }
3424
3425     return m_curpage;
3426 }
3427
3428 void wxAuiNotebook::SetSelectionToWindow(wxWindow *win)
3429 {
3430     const int idx = m_tabs.GetIdxFromWindow(win);
3431     wxCHECK_RET( idx != wxNOT_FOUND, _T("invalid notebook page") );
3432
3433     SetSelection(idx);
3434 }
3435
3436 // GetPageCount() returns the total number of
3437 // pages managed by the multi-notebook
3438 size_t wxAuiNotebook::GetPageCount() const
3439 {
3440     return m_tabs.GetPageCount();
3441 }
3442
3443 // GetPage() returns the wxWindow pointer of the
3444 // specified page
3445 wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
3446 {
3447     wxASSERT(page_idx < m_tabs.GetPageCount());
3448
3449     return m_tabs.GetWindowFromIdx(page_idx);
3450 }
3451
3452 // DoSizing() performs all sizing operations in each tab control
3453 void wxAuiNotebook::DoSizing()
3454 {
3455     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3456     size_t i, pane_count = all_panes.GetCount();
3457     for (i = 0; i < pane_count; ++i)
3458     {
3459         if (all_panes.Item(i).name == wxT("dummy"))
3460             continue;
3461
3462         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3463         tabframe->DoSizing();
3464     }
3465 }
3466
3467 // GetActiveTabCtrl() returns the active tab control.  It is
3468 // called to determine which control gets new windows being added
3469 wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
3470 {
3471     if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
3472     {
3473         wxAuiTabCtrl* ctrl;
3474         int idx;
3475
3476         // find the tab ctrl with the current page
3477         if (FindTab(m_tabs.GetPage(m_curpage).window,
3478                     &ctrl, &idx))
3479         {
3480             return ctrl;
3481         }
3482     }
3483
3484     // no current page, just find the first tab ctrl
3485     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3486     size_t i, pane_count = all_panes.GetCount();
3487     for (i = 0; i < pane_count; ++i)
3488     {
3489         if (all_panes.Item(i).name == wxT("dummy"))
3490             continue;
3491
3492         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3493         return tabframe->m_tabs;
3494     }
3495
3496     // If there is no tabframe at all, create one
3497     wxTabFrame* tabframe = new wxTabFrame;
3498     tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
3499     tabframe->m_tabs = new wxAuiTabCtrl(this,
3500                                         m_tab_id_counter++,
3501                                         wxDefaultPosition,
3502                                         wxDefaultSize,
3503                                         wxNO_BORDER|wxWANTS_CHARS);
3504     tabframe->m_tabs->SetFlags(m_flags);
3505     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3506     m_mgr.AddPane(tabframe,
3507                   wxAuiPaneInfo().Center().CaptionVisible(false));
3508
3509     m_mgr.Update();
3510
3511     return tabframe->m_tabs;
3512 }
3513
3514 // FindTab() finds the tab control that currently contains the window as well
3515 // as the index of the window in the tab control.  It returns true if the
3516 // window was found, otherwise false.
3517 bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
3518 {
3519     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3520     size_t i, pane_count = all_panes.GetCount();
3521     for (i = 0; i < pane_count; ++i)
3522     {
3523         if (all_panes.Item(i).name == wxT("dummy"))
3524             continue;
3525
3526         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3527
3528         int page_idx = tabframe->m_tabs->GetIdxFromWindow(page);
3529         if (page_idx != -1)
3530         {
3531             *ctrl = tabframe->m_tabs;
3532             *idx = page_idx;
3533             return true;
3534         }
3535     }
3536
3537     return false;
3538 }
3539
3540 void wxAuiNotebook::Split(size_t page, int direction)
3541 {
3542     wxSize cli_size = GetClientSize();
3543
3544     // get the page's window pointer
3545     wxWindow* wnd = GetPage(page);
3546     if (!wnd)
3547         return;
3548
3549     // notebooks with 1 or less pages can't be split
3550     if (GetPageCount() < 2)
3551         return;
3552
3553     // find out which tab control the page currently belongs to
3554     wxAuiTabCtrl *src_tabs, *dest_tabs;
3555     int src_idx = -1;
3556     src_tabs = NULL;
3557     if (!FindTab(wnd, &src_tabs, &src_idx))
3558         return;
3559     if (!src_tabs || src_idx == -1)
3560         return;
3561
3562     // choose a split size
3563     wxSize split_size;
3564     if (GetPageCount() > 2)
3565     {
3566         split_size = CalculateNewSplitSize();
3567     }
3568     else
3569     {
3570         // because there are two panes, always split them
3571         // equally
3572         split_size = GetClientSize();
3573         split_size.x /= 2;
3574         split_size.y /= 2;
3575     }
3576
3577
3578     // create a new tab frame
3579     wxTabFrame* new_tabs = new wxTabFrame;
3580     new_tabs->m_rect = wxRect(wxPoint(0,0), split_size);
3581     new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3582     new_tabs->m_tabs = new wxAuiTabCtrl(this,
3583                                         m_tab_id_counter++,
3584                                         wxDefaultPosition,
3585                                         wxDefaultSize,
3586                                         wxNO_BORDER|wxWANTS_CHARS);
3587     new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3588     new_tabs->m_tabs->SetFlags(m_flags);
3589     dest_tabs = new_tabs->m_tabs;
3590
3591     // create a pane info structure with the information
3592     // about where the pane should be added
3593     wxAuiPaneInfo pane_info = wxAuiPaneInfo().Bottom().CaptionVisible(false);
3594     wxPoint mouse_pt;
3595
3596     if (direction == wxLEFT)
3597     {
3598         pane_info.Left();
3599         mouse_pt = wxPoint(0, cli_size.y/2);
3600     }
3601     else if (direction == wxRIGHT)
3602     {
3603         pane_info.Right();
3604         mouse_pt = wxPoint(cli_size.x, cli_size.y/2);
3605     }
3606     else if (direction == wxTOP)
3607     {
3608         pane_info.Top();
3609         mouse_pt = wxPoint(cli_size.x/2, 0);
3610     }
3611     else if (direction == wxBOTTOM)
3612     {
3613         pane_info.Bottom();
3614         mouse_pt = wxPoint(cli_size.x/2, cli_size.y);
3615     }
3616
3617     m_mgr.AddPane(new_tabs, pane_info, mouse_pt);
3618     m_mgr.Update();
3619
3620     // remove the page from the source tabs
3621     wxAuiNotebookPage page_info = src_tabs->GetPage(src_idx);
3622     page_info.active = false;
3623     src_tabs->RemovePage(page_info.window);
3624     if (src_tabs->GetPageCount() > 0)
3625     {
3626         src_tabs->SetActivePage((size_t)0);
3627         src_tabs->DoShowHide();
3628         src_tabs->Refresh();
3629     }
3630
3631
3632     // add the page to the destination tabs
3633     dest_tabs->InsertPage(page_info.window, page_info, 0);
3634
3635     if (src_tabs->GetPageCount() == 0)
3636     {
3637         RemoveEmptyTabFrames();
3638     }
3639
3640     DoSizing();
3641     dest_tabs->DoShowHide();
3642     dest_tabs->Refresh();
3643
3644     // force the set selection function reset the selection
3645     m_curpage = -1;
3646
3647     // set the active page to the one we just split off
3648     SetSelectionToPage(page_info);
3649
3650     UpdateHintWindowSize();
3651 }
3652
3653
3654 void wxAuiNotebook::OnSize(wxSizeEvent& evt)
3655 {
3656     UpdateHintWindowSize();
3657
3658     evt.Skip();
3659 }
3660
3661 void wxAuiNotebook::OnTabClicked(wxCommandEvent& command_evt)
3662 {
3663     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
3664
3665     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
3666     wxASSERT(ctrl != NULL);
3667
3668     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
3669     wxASSERT(wnd != NULL);
3670
3671     SetSelectionToWindow(wnd);
3672 }
3673
3674 void wxAuiNotebook::OnTabBgDClick(wxCommandEvent& WXUNUSED(evt))
3675 {
3676     // notify owner that the tabbar background has been double-clicked
3677     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
3678     e.SetEventObject(this);
3679     GetEventHandler()->ProcessEvent(e);
3680 }
3681
3682 void wxAuiNotebook::OnTabBeginDrag(wxCommandEvent&)
3683 {
3684     m_last_drag_x = 0;
3685 }
3686
3687 void wxAuiNotebook::OnTabDragMotion(wxCommandEvent& evt)
3688 {
3689     wxPoint screen_pt = ::wxGetMousePosition();
3690     wxPoint client_pt = ScreenToClient(screen_pt);
3691     wxPoint zero(0,0);
3692
3693     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3694     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
3695
3696     if (dest_tabs == src_tabs)
3697     {
3698         if (src_tabs)
3699         {
3700             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3701         }
3702
3703         // always hide the hint for inner-tabctrl drag
3704         m_mgr.HideHint();
3705
3706         // if tab moving is not allowed, leave
3707         if (!(m_flags & wxAUI_NB_TAB_MOVE))
3708         {
3709             return;
3710         }
3711
3712         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
3713         wxWindow* dest_location_tab;
3714
3715         // this is an inner-tab drag/reposition
3716         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
3717         {
3718             int src_idx = evt.GetSelection();
3719             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
3720
3721             // prevent jumpy drag
3722             if ((src_idx == dest_idx) || dest_idx == -1 ||
3723                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
3724                 (src_idx < dest_idx && m_last_drag_x >= pt.x))
3725             {
3726                 m_last_drag_x = pt.x;
3727                 return;
3728             }
3729
3730
3731             wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
3732             dest_tabs->MovePage(src_tab, dest_idx);
3733             dest_tabs->SetActivePage((size_t)dest_idx);
3734             dest_tabs->DoShowHide();
3735             dest_tabs->Refresh();
3736             m_last_drag_x = pt.x;
3737
3738         }
3739
3740         return;
3741     }
3742
3743
3744     // if external drag is allowed, check if the tab is being dragged
3745     // over a different wxAuiNotebook control
3746     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3747     {
3748         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
3749
3750         // if we aren't over any window, stop here
3751         if (!tab_ctrl)
3752             return;
3753
3754         // make sure we are not over the hint window
3755         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
3756         {
3757             while (tab_ctrl)
3758             {
3759                 if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3760                     break;
3761                 tab_ctrl = tab_ctrl->GetParent();
3762             }
3763
3764             if (tab_ctrl)
3765             {
3766                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3767
3768                 if (nb != this)
3769                 {
3770                     wxRect hint_rect = tab_ctrl->GetClientRect();
3771                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
3772                     m_mgr.ShowHint(hint_rect);
3773                     return;
3774                 }
3775             }
3776         }
3777         else
3778         {
3779             if (!dest_tabs)
3780             {
3781                 // we are either over a hint window, or not over a tab
3782                 // window, and there is no where to drag to, so exit
3783                 return;
3784             }
3785         }
3786     }
3787
3788
3789     // if there are less than two panes, split can't happen, so leave
3790     if (m_tabs.GetPageCount() < 2)
3791         return;
3792
3793     // if tab moving is not allowed, leave
3794     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
3795         return;
3796
3797
3798     if (src_tabs)
3799     {
3800         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
3801     }
3802
3803
3804     if (dest_tabs)
3805     {
3806         wxRect hint_rect = dest_tabs->GetRect();
3807         ClientToScreen(&hint_rect.x, &hint_rect.y);
3808         m_mgr.ShowHint(hint_rect);
3809     }
3810     else
3811     {
3812         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
3813     }
3814 }
3815
3816
3817
3818 void wxAuiNotebook::OnTabEndDrag(wxCommandEvent& command_evt)
3819 {
3820     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
3821
3822     m_mgr.HideHint();
3823
3824
3825     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3826     wxCHECK_RET( src_tabs, _T("no source object?") );
3827
3828     src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3829
3830     // get the mouse position, which will be used to determine the drop point
3831     wxPoint mouse_screen_pt = ::wxGetMousePosition();
3832     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
3833
3834
3835
3836     // check for an external move
3837     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3838     {
3839         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
3840
3841         while (tab_ctrl)
3842         {
3843             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3844                 break;
3845             tab_ctrl = tab_ctrl->GetParent();
3846         }
3847
3848         if (tab_ctrl)
3849         {
3850             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3851
3852             if (nb != this)
3853             {
3854                 // find out from the destination control
3855                 // if it's ok to drop this tab here
3856                 wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
3857                 e.SetSelection(evt.GetSelection());
3858                 e.SetOldSelection(evt.GetSelection());
3859                 e.SetEventObject(this);
3860                 e.SetDragSource(this);
3861                 e.Veto(); // dropping must be explicitly approved by control owner
3862
3863                 nb->GetEventHandler()->ProcessEvent(e);
3864
3865                 if (!e.IsAllowed())
3866                 {
3867                     // no answer or negative answer
3868                     m_mgr.HideHint();
3869                     return;
3870                 }
3871
3872                 // drop was allowed
3873                 int src_idx = evt.GetSelection();
3874                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
3875
3876                 // Check that it's not an impossible parent relationship
3877                 wxWindow* p = nb;
3878                 while (p && !p->IsTopLevel())
3879                 {
3880                     if (p == src_page)
3881                     {
3882                         return;
3883                     }
3884                     p = p->GetParent();
3885                 }
3886
3887                 // get main index of the page
3888                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
3889                 wxCHECK_RET( main_idx != wxNOT_FOUND, _T("no source page?") );
3890
3891
3892                 // make a copy of the page info
3893                 wxAuiNotebookPage page_info = m_tabs.GetPage(main_idx);
3894
3895                 // remove the page from the source notebook
3896                 RemovePage(main_idx);
3897
3898                 // reparent the page
3899                 src_page->Reparent(nb);
3900
3901
3902                 // found out the insert idx
3903                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
3904                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3905
3906                 wxWindow* target = NULL;
3907                 int insert_idx = -1;
3908                 dest_tabs->TabHitTest(pt.x, pt.y, &target);
3909                 if (target)
3910                 {
3911                     insert_idx = dest_tabs->GetIdxFromWindow(target);
3912                 }
3913
3914
3915                 // add the page to the new notebook
3916                 if (insert_idx == -1)
3917                     insert_idx = dest_tabs->GetPageCount();
3918                 dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3919                 nb->m_tabs.AddPage(page_info.window, page_info);
3920
3921                 nb->DoSizing();
3922                 dest_tabs->DoShowHide();
3923                 dest_tabs->Refresh();
3924
3925                 // set the selection in the destination tab control
3926                 nb->SetSelectionToPage(page_info);
3927
3928                 // notify owner that the tab has been dragged
3929                 wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
3930                 e2.SetSelection(evt.GetSelection());
3931                 e2.SetOldSelection(evt.GetSelection());
3932                 e2.SetEventObject(this);
3933                 GetEventHandler()->ProcessEvent(e2);
3934
3935                 return;
3936             }
3937         }
3938     }
3939
3940
3941
3942
3943     // only perform a tab split if it's allowed
3944     wxAuiTabCtrl* dest_tabs = NULL;
3945
3946     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
3947     {
3948         // If the pointer is in an existing tab frame, do a tab insert
3949         wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
3950         wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
3951         int insert_idx = -1;
3952         if (tab_frame)
3953         {
3954             dest_tabs = tab_frame->m_tabs;
3955
3956             if (dest_tabs == src_tabs)
3957                 return;
3958
3959
3960             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3961             wxWindow* target = NULL;
3962             dest_tabs->TabHitTest(pt.x, pt.y, &target);
3963             if (target)
3964             {
3965                 insert_idx = dest_tabs->GetIdxFromWindow(target);
3966             }
3967         }
3968         else
3969         {
3970             wxPoint zero(0,0);
3971             wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
3972                                                   mouse_client_pt,
3973                                                   zero);
3974             if (rect.IsEmpty())
3975             {
3976                 // there is no suitable drop location here, exit out
3977                 return;
3978             }
3979
3980             // If there is no tabframe at all, create one
3981             wxTabFrame* new_tabs = new wxTabFrame;
3982             new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
3983             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3984             new_tabs->m_tabs = new wxAuiTabCtrl(this,
3985                                                 m_tab_id_counter++,
3986                                                 wxDefaultPosition,
3987                                                 wxDefaultSize,
3988                                                 wxNO_BORDER|wxWANTS_CHARS);
3989             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3990             new_tabs->m_tabs->SetFlags(m_flags);
3991
3992             m_mgr.AddPane(new_tabs,
3993                           wxAuiPaneInfo().Bottom().CaptionVisible(false),
3994                           mouse_client_pt);
3995             m_mgr.Update();
3996             dest_tabs = new_tabs->m_tabs;
3997         }
3998
3999
4000
4001         // remove the page from the source tabs
4002         wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
4003         page_info.active = false;
4004         src_tabs->RemovePage(page_info.window);
4005         if (src_tabs->GetPageCount() > 0)
4006         {
4007             src_tabs->SetActivePage((size_t)0);
4008             src_tabs->DoShowHide();
4009             src_tabs->Refresh();
4010         }
4011
4012
4013
4014         // add the page to the destination tabs
4015         if (insert_idx == -1)
4016             insert_idx = dest_tabs->GetPageCount();
4017         dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
4018
4019         if (src_tabs->GetPageCount() == 0)
4020         {
4021             RemoveEmptyTabFrames();
4022         }
4023
4024         DoSizing();
4025         dest_tabs->DoShowHide();
4026         dest_tabs->Refresh();
4027
4028         // force the set selection function reset the selection
4029         m_curpage = -1;
4030
4031         // set the active page to the one we just split off
4032         SetSelectionToPage(page_info);
4033
4034         UpdateHintWindowSize();
4035     }
4036
4037     // notify owner that the tab has been dragged
4038     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
4039     e.SetSelection(evt.GetSelection());
4040     e.SetOldSelection(evt.GetSelection());
4041     e.SetEventObject(this);
4042     GetEventHandler()->ProcessEvent(e);
4043 }
4044
4045
4046
4047 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
4048 {
4049     // if we've just removed the last tab from the source
4050     // tab set, the remove the tab control completely
4051     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4052     size_t i, pane_count = all_panes.GetCount();
4053     for (i = 0; i < pane_count; ++i)
4054     {
4055         if (all_panes.Item(i).name == wxT("dummy"))
4056             continue;
4057
4058         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4059         if (tabframe->m_tab_rect.Contains(pt))
4060             return tabframe->m_tabs;
4061     }
4062
4063     return NULL;
4064 }
4065
4066 wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
4067 {
4068     // if we've just removed the last tab from the source
4069     // tab set, the remove the tab control completely
4070     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4071     size_t i, pane_count = all_panes.GetCount();
4072     for (i = 0; i < pane_count; ++i)
4073     {
4074         if (all_panes.Item(i).name == wxT("dummy"))
4075             continue;
4076
4077         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4078         if (tabframe->m_tabs == tab_ctrl)
4079         {
4080             return tabframe;
4081         }
4082     }
4083
4084     return NULL;
4085 }
4086
4087 void wxAuiNotebook::RemoveEmptyTabFrames()
4088 {
4089     // if we've just removed the last tab from the source
4090     // tab set, the remove the tab control completely
4091     wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
4092     size_t i, pane_count = all_panes.GetCount();
4093     for (i = 0; i < pane_count; ++i)
4094     {
4095         if (all_panes.Item(i).name == wxT("dummy"))
4096             continue;
4097
4098         wxTabFrame* tab_frame = (wxTabFrame*)all_panes.Item(i).window;
4099         if (tab_frame->m_tabs->GetPageCount() == 0)
4100         {
4101             m_mgr.DetachPane(tab_frame);
4102
4103             // use pending delete because sometimes during
4104             // window closing, refreshs are pending
4105             if (!wxPendingDelete.Member(tab_frame->m_tabs))
4106                 wxPendingDelete.Append(tab_frame->m_tabs);
4107
4108             tab_frame->m_tabs = NULL;
4109
4110             delete tab_frame;
4111         }
4112     }
4113
4114
4115     // check to see if there is still a center pane;
4116     // if there isn't, make a frame the center pane
4117     wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
4118     pane_count = panes.GetCount();
4119     wxWindow* first_good = NULL;
4120     bool center_found = false;
4121     for (i = 0; i < pane_count; ++i)
4122     {
4123         if (panes.Item(i).name == wxT("dummy"))
4124             continue;
4125         if (panes.Item(i).dock_direction == wxAUI_DOCK_CENTRE)
4126             center_found = true;
4127         if (!first_good)
4128             first_good = panes.Item(i).window;
4129     }
4130
4131     if (!center_found && first_good)
4132     {
4133         m_mgr.GetPane(first_good).Centre();
4134     }
4135
4136     if (!m_isBeingDeleted)
4137         m_mgr.Update();
4138 }
4139
4140 void wxAuiNotebook::OnChildFocusNotebook(wxChildFocusEvent& evt)
4141 {
4142     // if we're dragging a tab, don't change the current selection.
4143     // This code prevents a bug that used to happen when the hint window
4144     // was hidden.  In the bug, the focus would return to the notebook
4145     // child, which would then enter this handler and call
4146     // SetSelection, which is not desired turn tab dragging.
4147
4148     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4149     size_t i, pane_count = all_panes.GetCount();
4150     for (i = 0; i < pane_count; ++i)
4151     {
4152         wxAuiPaneInfo& pane = all_panes.Item(i);
4153         if (pane.name == wxT("dummy"))
4154             continue;
4155         wxTabFrame* tabframe = (wxTabFrame*)pane.window;
4156         if (tabframe->m_tabs->IsDragging())
4157             return;
4158     }
4159
4160
4161     // change the tab selection to the child
4162     // which was focused
4163     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
4164     if (idx != -1 && idx != m_curpage)
4165     {
4166         SetSelection(idx);
4167     }
4168 }
4169
4170 void wxAuiNotebook::OnNavigationKeyNotebook(wxNavigationKeyEvent& event)
4171 {
4172     if ( event.IsWindowChange() ) {
4173         // change pages
4174         // FIXME: the problem with this is that if we have a split notebook,
4175         // we selection may go all over the place.
4176         AdvanceSelection(event.GetDirection());
4177     }
4178     else {
4179         // we get this event in 3 cases
4180         //
4181         // a) one of our pages might have generated it because the user TABbed
4182         // out from it in which case we should propagate the event upwards and
4183         // our parent will take care of setting the focus to prev/next sibling
4184         //
4185         // or
4186         //
4187         // b) the parent panel wants to give the focus to us so that we
4188         // forward it to our selected page. We can't deal with this in
4189         // OnSetFocus() because we don't know which direction the focus came
4190         // from in this case and so can't choose between setting the focus to
4191         // first or last panel child
4192         //
4193         // or
4194         //
4195         // c) we ourselves (see MSWTranslateMessage) generated the event
4196         //
4197         wxWindow * const parent = GetParent();
4198
4199         // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
4200         const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
4201         const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
4202
4203         if ( isFromParent || isFromSelf )
4204         {
4205             // no, it doesn't come from child, case (b) or (c): forward to a
4206             // page but only if direction is backwards (TAB) or from ourselves,
4207             if ( GetSelection() != wxNOT_FOUND &&
4208                     (!event.GetDirection() || isFromSelf) )
4209             {
4210                 // so that the page knows that the event comes from it's parent
4211                 // and is being propagated downwards
4212                 event.SetEventObject(this);
4213
4214                 wxWindow *page = GetPage(GetSelection());
4215                 if ( !page->GetEventHandler()->ProcessEvent(event) )
4216                 {
4217                     page->SetFocus();
4218                 }
4219                 //else: page manages focus inside it itself
4220             }
4221             else // otherwise set the focus to the notebook itself
4222             {
4223                 SetFocus();
4224             }
4225         }
4226         else
4227         {
4228             // it comes from our child, case (a), pass to the parent, but only
4229             // if the direction is forwards. Otherwise set the focus to the
4230             // notebook itself. The notebook is always the 'first' control of a
4231             // page.
4232             if ( !event.GetDirection() )
4233             {
4234                 SetFocus();
4235             }
4236             else if ( parent )
4237             {
4238                 event.SetCurrentFocus(this);
4239                 parent->GetEventHandler()->ProcessEvent(event);
4240             }
4241         }
4242     }
4243 }
4244
4245 void wxAuiNotebook::OnTabButton(wxCommandEvent& command_evt)
4246 {
4247     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
4248     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4249
4250     int button_id = evt.GetInt();
4251
4252     if (button_id == wxAUI_BUTTON_CLOSE)
4253     {
4254         int selection = evt.GetSelection();
4255
4256         if (selection == -1)
4257         {
4258             // if the close button is to the right, use the active
4259             // page selection to determine which page to close
4260             selection = GetSelection();
4261         }
4262
4263         if (selection != -1)
4264         {
4265             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
4266
4267             // ask owner if it's ok to close the tab
4268             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
4269             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
4270             const int idx = m_tabs.GetIdxFromWindow(close_wnd);
4271             e.SetSelection(idx);
4272             e.SetOldSelection(evt.GetSelection());
4273             e.SetEventObject(this);
4274             GetEventHandler()->ProcessEvent(e);
4275             if (!e.IsAllowed())
4276                 return;
4277
4278
4279 #if wxUSE_MDI
4280             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
4281             {
4282                 close_wnd->Close();
4283             }
4284             else
4285 #endif
4286             {
4287                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
4288                 wxCHECK_RET( main_idx != wxNOT_FOUND, _T("no page to delete?") );
4289
4290                 DeletePage(main_idx);
4291             }
4292
4293             // notify owner that the tab has been closed
4294             wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, m_windowId);
4295             e2.SetSelection(idx);
4296             e2.SetEventObject(this);
4297             GetEventHandler()->ProcessEvent(e2);
4298         }
4299     }
4300 }
4301
4302
4303 void wxAuiNotebook::OnTabMiddleDown(wxCommandEvent& evt)
4304 {
4305     // patch event through to owner
4306     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4307     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4308
4309     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
4310     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4311     e.SetEventObject(this);
4312     GetEventHandler()->ProcessEvent(e);
4313 }
4314
4315 void wxAuiNotebook::OnTabMiddleUp(wxCommandEvent& evt)
4316 {
4317     // if the wxAUI_NB_MIDDLE_CLICK_CLOSE is specified, middle
4318     // click should act like a tab close action.  However, first
4319     // give the owner an opportunity to handle the middle up event
4320     // for custom action
4321
4322     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4323     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4324
4325     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
4326     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4327     e.SetEventObject(this);
4328     if (GetEventHandler()->ProcessEvent(e))
4329         return;
4330     if (!e.IsAllowed())
4331         return;
4332
4333     // check if we are supposed to close on middle-up
4334     if ((m_flags & wxAUI_NB_MIDDLE_CLICK_CLOSE) == 0)
4335         return;
4336
4337     // simulate the user pressing the close button on the tab
4338     evt.SetInt(wxAUI_BUTTON_CLOSE);
4339     OnTabButton(evt);
4340 }
4341
4342 void wxAuiNotebook::OnTabRightDown(wxCommandEvent& evt)
4343 {
4344     // patch event through to owner
4345     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4346     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4347
4348     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
4349     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4350     e.SetEventObject(this);
4351     GetEventHandler()->ProcessEvent(e);
4352 }
4353
4354 void wxAuiNotebook::OnTabRightUp(wxCommandEvent& evt)
4355 {
4356     // patch event through to owner
4357     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4358     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4359
4360     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
4361     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4362     e.SetEventObject(this);
4363     GetEventHandler()->ProcessEvent(e);
4364 }
4365
4366 // Sets the normal font
4367 void wxAuiNotebook::SetNormalFont(const wxFont& font)
4368 {
4369     m_normal_font = font;
4370     GetArtProvider()->SetNormalFont(font);
4371 }
4372
4373 // Sets the selected tab font
4374 void wxAuiNotebook::SetSelectedFont(const wxFont& font)
4375 {
4376     m_selected_font = font;
4377     GetArtProvider()->SetSelectedFont(font);
4378 }
4379
4380 // Sets the measuring font
4381 void wxAuiNotebook::SetMeasuringFont(const wxFont& font)
4382 {
4383     GetArtProvider()->SetMeasuringFont(font);
4384 }
4385
4386 // Sets the tab font
4387 bool wxAuiNotebook::SetFont(const wxFont& font)
4388 {
4389     wxControl::SetFont(font);
4390
4391     wxFont normalFont(font);
4392     wxFont selectedFont(normalFont);
4393     selectedFont.SetWeight(wxBOLD);
4394
4395     SetNormalFont(normalFont);
4396     SetSelectedFont(selectedFont);
4397     SetMeasuringFont(selectedFont);
4398
4399     return true;
4400 }
4401
4402 // Gets the tab control height
4403 int wxAuiNotebook::GetTabCtrlHeight() const
4404 {
4405     return m_tab_ctrl_height;
4406 }
4407
4408 // Gets the height of the notebook for a given page height
4409 int wxAuiNotebook::GetHeightForPageHeight(int pageHeight)
4410 {
4411     UpdateTabCtrlHeight();
4412
4413     int tabCtrlHeight = GetTabCtrlHeight();
4414     int decorHeight = 2;
4415     return tabCtrlHeight + pageHeight + decorHeight;
4416 }
4417
4418 // Advances the selection, generation page selection events
4419 void wxAuiNotebook::AdvanceSelection(bool forward)
4420 {
4421     if (GetPageCount() <= 1)
4422         return;
4423
4424     int currentSelection = GetSelection();
4425
4426     if (forward)
4427     {
4428         if (currentSelection == (int) (GetPageCount() - 1))
4429             return;
4430         else if (currentSelection == -1)
4431             currentSelection = 0;
4432         else
4433             currentSelection ++;
4434     }
4435     else
4436     {
4437         if (currentSelection <= 0)
4438             return;
4439         else
4440             currentSelection --;
4441     }
4442
4443     SetSelection(currentSelection);
4444 }
4445
4446 // Shows the window menu
4447 bool wxAuiNotebook::ShowWindowMenu()
4448 {
4449     wxAuiTabCtrl* tabCtrl = GetActiveTabCtrl();
4450
4451     int idx = tabCtrl->GetArtProvider()->ShowDropDown(tabCtrl, tabCtrl->GetPages(), tabCtrl->GetActivePage());
4452
4453     if (idx != -1)
4454     {
4455         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, tabCtrl->GetId());
4456         e.SetSelection(idx);
4457         e.SetOldSelection(tabCtrl->GetActivePage());
4458         e.SetEventObject(tabCtrl);
4459         GetEventHandler()->ProcessEvent(e);
4460
4461         return true;
4462     }
4463     else
4464         return false;
4465 }
4466
4467 #endif // wxUSE_AUI