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/private.h"
  38 #endif
  39
  40 #include "wx/arrimpl.cpp"
  41 WX_DEFINE_OBJARRAY(wxAuiNotebookPageArray)
  42 WX_DEFINE_OBJARRAY(wxAuiTabContainerButtonArray)
  43
  44 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, wxAuiNotebookEvent);
  45 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, wxAuiNotebookEvent);
  46 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, wxAuiNotebookEvent);
  47 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED, wxAuiNotebookEvent);
  48 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, wxAuiNotebookEvent);
  49 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, wxAuiNotebookEvent);
  50 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, wxAuiNotebookEvent);
  51 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG, wxAuiNotebookEvent);
  52 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, wxAuiNotebookEvent);
  53 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, wxAuiNotebookEvent);
  54 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, wxAuiNotebookEvent);
  55 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, wxAuiNotebookEvent);
  56 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, wxAuiNotebookEvent);
  57 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, wxAuiNotebookEvent);
  58 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, wxAuiNotebookEvent);
  59 wxDEFINE_EVENT(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, wxAuiNotebookEvent);
  60
  61 IMPLEMENT_CLASS(wxAuiNotebook, wxControl)
  62 IMPLEMENT_CLASS(wxAuiTabCtrl, wxControl)
  63 IMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxEvent)
  64
  65
  66
  67
  68
  69 // these functions live in dockart.cpp -- they'll eventually
  70 // be moved to a new utility cpp file
  71
  72 wxBitmap wxAuiBitmapFromBits(const unsigned char bits[], int w, int h,
  73                              const wxColour& color);
  74
  75 wxString wxAuiChopText(wxDC& dc, const wxString& text, int max_size);
  76
  77 static void DrawButtons(wxDC& dc,
  78                         const wxRect& _rect,
  79                         const wxBitmap& bmp,
  80                         const wxColour& bkcolour,
  81                         int button_state)
  82 {
  83     wxRect rect = _rect;
  84
  85     if (button_state == wxAUI_BUTTON_STATE_PRESSED)
  86     {
  87         rect.x++;
  88         rect.y++;
  89     }
  90
  91     if (button_state == wxAUI_BUTTON_STATE_HOVER ||
  92         button_state == wxAUI_BUTTON_STATE_PRESSED)
  93     {
  94         dc.SetBrush(wxBrush(bkcolour.ChangeLightness(120)));
  95         dc.SetPen(wxPen(bkcolour.ChangeLightness(75)));
  96
  97         // draw the background behind the button
  98         dc.DrawRectangle(rect.x, rect.y, 15, 15);
  99     }
 100
 101     // draw the button itself
 102     dc.DrawBitmap(bmp, rect.x, rect.y, true);
 103 }
 104
 105 static void IndentPressedBitmap(wxRect* rect, int button_state)
 106 {
 107     if (button_state == wxAUI_BUTTON_STATE_PRESSED)
 108     {
 109         rect->x++;
 110         rect->y++;
 111     }
 112 }
 113
 114
 115
 116 // -- GUI helper classes and functions --
 117
 118 class wxAuiCommandCapture : public wxEvtHandler
 119 {
 120 public:
 121
 122     wxAuiCommandCapture() { m_last_id = 0; }
 123     int GetCommandId() const { return m_last_id; }
 124
 125     bool ProcessEvent(wxEvent& evt)
 126     {
 127         if (evt.GetEventType() == wxEVT_COMMAND_MENU_SELECTED)
 128         {
 129             m_last_id = evt.GetId();
 130             return true;
 131         }
 132
 133         if (GetNextHandler())
 134             return GetNextHandler()->ProcessEvent(evt);
 135
 136         return false;
 137     }
 138
 139 private:
 140     int m_last_id;
 141 };
 142
 143
 144 // -- bitmaps --
 145
 146 #if defined( __WXMAC__ )
 147  static const unsigned char close_bits[]={
 148      0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0xFE, 0x03, 0xF8, 0x01, 0xF0, 0x19, 0xF3,
 149      0xB8, 0xE3, 0xF0, 0xE1, 0xE0, 0xE0, 0xF0, 0xE1, 0xB8, 0xE3, 0x19, 0xF3,
 150      0x01, 0xF0, 0x03, 0xF8, 0x0F, 0xFE, 0xFF, 0xFF };
 151 #elif defined( __WXGTK__)
 152  static const unsigned char close_bits[]={
 153      0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8,
 154      0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef,
 155      0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 156 #else
 157  static const unsigned char close_bits[]={
 158      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xf3, 0xcf, 0xf9,
 159      0x9f, 0xfc, 0x3f, 0xfe, 0x3f, 0xfe, 0x9f, 0xfc, 0xcf, 0xf9, 0xe7, 0xf3,
 160      0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 161 #endif
 162
 163 static const unsigned char left_bits[] = {
 164    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xfe, 0x3f, 0xfe,
 165    0x1f, 0xfe, 0x0f, 0xfe, 0x1f, 0xfe, 0x3f, 0xfe, 0x7f, 0xfe, 0xff, 0xfe,
 166    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 167
 168 static const unsigned char right_bits[] = {
 169    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xff, 0x9f, 0xff, 0x1f, 0xff,
 170    0x1f, 0xfe, 0x1f, 0xfc, 0x1f, 0xfe, 0x1f, 0xff, 0x9f, 0xff, 0xdf, 0xff,
 171    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 172
 173 static const unsigned char list_bits[] = {
 174    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 175    0x0f, 0xf8, 0xff, 0xff, 0x0f, 0xf8, 0x1f, 0xfc, 0x3f, 0xfe, 0x7f, 0xff,
 176    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 177
 178
 179
 180
 181
 182
 183 // -- wxAuiDefaultTabArt class implementation --
 184
 185 wxAuiDefaultTabArt::wxAuiDefaultTabArt()
 186 {
 187     m_normal_font = *wxNORMAL_FONT;
 188     m_selected_font = *wxNORMAL_FONT;
 189     m_selected_font.SetWeight(wxBOLD);
 190     m_measuring_font = m_selected_font;
 191
 192     m_fixed_tab_width = 100;
 193     m_tab_ctrl_height = 0;
 194
 195 #if defined( __WXMAC__ ) && wxOSX_USE_COCOA_OR_CARBON
 196     wxColor base_colour = wxColour( wxMacCreateCGColorFromHITheme(kThemeBrushToolbarBackground));
 197 #else
 198     wxColor base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 199 #endif
 200
 201     // the base_colour is too pale to use as our base colour,
 202     // so darken it a bit --
 203     if ((255-base_colour.Red()) +
 204         (255-base_colour.Green()) +
 205         (255-base_colour.Blue()) < 60)
 206     {
 207         base_colour = base_colour.ChangeLightness(92);
 208     }
 209
 210     m_active_colour = base_colour;
 211     m_base_colour = base_colour;
 212     wxColor border_colour = base_colour.ChangeLightness(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     return new wxAuiDefaultTabArt(*this);
 240 }
 241
 242 void wxAuiDefaultTabArt::SetFlags(unsigned int flags)
 243 {
 244     m_flags = flags;
 245 }
 246
 247 void wxAuiDefaultTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 248                                        size_t tab_count)
 249 {
 250     m_fixed_tab_width = 100;
 251
 252     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 253
 254     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 255         tot_width -= m_active_close_bmp.GetWidth();
 256     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 257         tot_width -= m_active_windowlist_bmp.GetWidth();
 258
 259     if (tab_count > 0)
 260     {
 261         m_fixed_tab_width = tot_width/(int)tab_count;
 262     }
 263
 264
 265     if (m_fixed_tab_width < 100)
 266         m_fixed_tab_width = 100;
 267
 268     if (m_fixed_tab_width > tot_width/2)
 269         m_fixed_tab_width = tot_width/2;
 270
 271     if (m_fixed_tab_width > 220)
 272         m_fixed_tab_width = 220;
 273
 274     m_tab_ctrl_height = tab_ctrl_size.y;
 275 }
 276
 277
 278 void wxAuiDefaultTabArt::DrawBackground(wxDC& dc,
 279                                         wxWindow* WXUNUSED(wnd),
 280                                         const wxRect& rect)
 281 {
 282     // draw background
 283
 284     wxColor top_color       = m_base_colour.ChangeLightness(90);
 285     wxColor bottom_color   = m_base_colour.ChangeLightness(170);
 286     wxRect r;
 287
 288    if (m_flags &wxAUI_NB_BOTTOM)
 289        r = wxRect(rect.x, rect.y, rect.width+2, rect.height);
 290    // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 291    // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 292    else //for wxAUI_NB_TOP
 293        r = wxRect(rect.x, rect.y, rect.width+2, rect.height-3);
 294
 295     dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 296
 297
 298    // draw base lines
 299
 300    dc.SetPen(m_border_pen);
 301    int y = rect.GetHeight();
 302    int w = rect.GetWidth();
 303
 304    if (m_flags &wxAUI_NB_BOTTOM)
 305    {
 306        dc.SetBrush(wxBrush(bottom_color));
 307        dc.DrawRectangle(-1, 0, w+2, 4);
 308    }
 309    // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 310    // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 311    else //for wxAUI_NB_TOP
 312    {
 313        dc.SetBrush(m_base_colour_brush);
 314        dc.DrawRectangle(-1, y-4, w+2, 4);
 315    }
 316 }
 317
 318
 319 // DrawTab() draws an individual tab.
 320 //
 321 // dc       - output dc
 322 // in_rect  - rectangle the tab should be confined to
 323 // caption  - tab's caption
 324 // active   - whether or not the tab is active
 325 // out_rect - actual output rectangle
 326 // x_extent - the advance x; where the next tab should start
 327
 328 void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
 329                                  wxWindow* wnd,
 330                                  const wxAuiNotebookPage& page,
 331                                  const wxRect& in_rect,
 332                                  int close_button_state,
 333                                  wxRect* out_tab_rect,
 334                                  wxRect* out_button_rect,
 335                                  int* x_extent)
 336 {
 337     wxCoord normal_textx, normal_texty;
 338     wxCoord selected_textx, selected_texty;
 339     wxCoord texty;
 340
 341     // if the caption is empty, measure some temporary text
 342     wxString caption = page.caption;
 343     if (caption.empty())
 344         caption = wxT("Xj");
 345
 346     dc.SetFont(m_selected_font);
 347     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 348
 349     dc.SetFont(m_normal_font);
 350     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 351
 352     // figure out the size of the tab
 353     wxSize tab_size = GetTabSize(dc,
 354                                  wnd,
 355                                  page.caption,
 356                                  page.bitmap,
 357                                  page.active,
 358                                  close_button_state,
 359                                  x_extent);
 360
 361     wxCoord tab_height = m_tab_ctrl_height - 3;
 362     wxCoord tab_width = tab_size.x;
 363     wxCoord tab_x = in_rect.x;
 364     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
 365
 366
 367     caption = page.caption;
 368
 369
 370     // select pen, brush and font for the tab to be drawn
 371
 372     if (page.active)
 373     {
 374         dc.SetFont(m_selected_font);
 375         texty = selected_texty;
 376     }
 377     else
 378     {
 379         dc.SetFont(m_normal_font);
 380         texty = normal_texty;
 381     }
 382
 383
 384     // create points that will make the tab outline
 385
 386     int clip_width = tab_width;
 387     if (tab_x + clip_width > in_rect.x + in_rect.width)
 388         clip_width = (in_rect.x + in_rect.width) - tab_x;
 389
 390 /*
 391     wxPoint clip_points[6];
 392     clip_points[0] = wxPoint(tab_x,              tab_y+tab_height-3);
 393     clip_points[1] = wxPoint(tab_x,              tab_y+2);
 394     clip_points[2] = wxPoint(tab_x+2,            tab_y);
 395     clip_points[3] = wxPoint(tab_x+clip_width-1, tab_y);
 396     clip_points[4] = wxPoint(tab_x+clip_width+1, tab_y+2);
 397     clip_points[5] = wxPoint(tab_x+clip_width+1, tab_y+tab_height-3);
 398
 399     // FIXME: these ports don't provide wxRegion ctor from array of points
 400 #if !defined(__WXDFB__) && !defined(__WXCOCOA__)
 401     // set the clipping region for the tab --
 402     wxRegion clipping_region(WXSIZEOF(clip_points), clip_points);
 403     dc.SetClippingRegion(clipping_region);
 404 #endif // !wxDFB && !wxCocoa
 405 */
 406     // since the above code above doesn't play well with WXDFB or WXCOCOA,
 407     // we'll just use a rectangle for the clipping region for now --
 408     dc.SetClippingRegion(tab_x, tab_y, clip_width+1, tab_height-3);
 409
 410
 411     wxPoint border_points[6];
 412     if (m_flags &wxAUI_NB_BOTTOM)
 413     {
 414         border_points[0] = wxPoint(tab_x,             tab_y);
 415         border_points[1] = wxPoint(tab_x,             tab_y+tab_height-6);
 416         border_points[2] = wxPoint(tab_x+2,           tab_y+tab_height-4);
 417         border_points[3] = wxPoint(tab_x+tab_width-2, tab_y+tab_height-4);
 418         border_points[4] = wxPoint(tab_x+tab_width,   tab_y+tab_height-6);
 419         border_points[5] = wxPoint(tab_x+tab_width,   tab_y);
 420     }
 421     else //if (m_flags & wxAUI_NB_TOP) {}
 422     {
 423         border_points[0] = wxPoint(tab_x,             tab_y+tab_height-4);
 424         border_points[1] = wxPoint(tab_x,             tab_y+2);
 425         border_points[2] = wxPoint(tab_x+2,           tab_y);
 426         border_points[3] = wxPoint(tab_x+tab_width-2, tab_y);
 427         border_points[4] = wxPoint(tab_x+tab_width,   tab_y+2);
 428         border_points[5] = wxPoint(tab_x+tab_width,   tab_y+tab_height-4);
 429     }
 430     // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 431     // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 432
 433     int drawn_tab_yoff = border_points[1].y;
 434     int drawn_tab_height = border_points[0].y - border_points[1].y;
 435
 436
 437     if (page.active)
 438     {
 439         // draw active tab
 440
 441         // draw base background color
 442         wxRect r(tab_x, tab_y, tab_width, tab_height);
 443         dc.SetPen(wxPen(m_active_colour));
 444         dc.SetBrush(wxBrush(m_active_colour));
 445         dc.DrawRectangle(r.x+1, r.y+1, r.width-1, r.height-4);
 446
 447         // this white helps fill out the gradient at the top of the tab
 448         dc.SetPen(*wxWHITE_PEN);
 449         dc.SetBrush(*wxWHITE_BRUSH);
 450         dc.DrawRectangle(r.x+2, r.y+1, r.width-3, r.height-4);
 451
 452         // these two points help the rounded corners appear more antialiased
 453         dc.SetPen(wxPen(m_active_colour));
 454         dc.DrawPoint(r.x+2, r.y+1);
 455         dc.DrawPoint(r.x+r.width-2, r.y+1);
 456
 457         // set rectangle down a bit for gradient drawing
 458         r.SetHeight(r.GetHeight()/2);
 459         r.x += 2;
 460         r.width -= 3;
 461         r.y += r.height;
 462         r.y -= 2;
 463
 464         // draw gradient background
 465         wxColor top_color = *wxWHITE;
 466         wxColor bottom_color = m_active_colour;
 467         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 468     }
 469     else
 470     {
 471         // draw inactive tab
 472
 473         wxRect r(tab_x, tab_y+1, tab_width, tab_height-3);
 474
 475         // start the gradent up a bit and leave the inside border inset
 476         // by a pixel for a 3D look.  Only the top half of the inactive
 477         // tab will have a slight gradient
 478         r.x += 3;
 479         r.y++;
 480         r.width -= 4;
 481         r.height /= 2;
 482         r.height--;
 483
 484         // -- draw top gradient fill for glossy look
 485         wxColor top_color = m_base_colour;
 486         wxColor bottom_color = top_color.ChangeLightness(160);
 487         dc.GradientFillLinear(r, bottom_color, top_color, wxNORTH);
 488
 489         r.y += r.height;
 490         r.y--;
 491
 492         // -- draw bottom fill for glossy look
 493         top_color = m_base_colour;
 494         bottom_color = m_base_colour;
 495         dc.GradientFillLinear(r, top_color, bottom_color, wxSOUTH);
 496     }
 497
 498     // draw tab outline
 499     dc.SetPen(m_border_pen);
 500     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 501     dc.DrawPolygon(WXSIZEOF(border_points), border_points);
 502
 503     // there are two horizontal grey lines at the bottom of the tab control,
 504     // this gets rid of the top one of those lines in the tab control
 505     if (page.active)
 506     {
 507         if (m_flags &wxAUI_NB_BOTTOM)
 508             dc.SetPen(wxPen(m_base_colour.ChangeLightness(170)));
 509         // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
 510         // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
 511         else //for wxAUI_NB_TOP
 512             dc.SetPen(m_base_colour_pen);
 513         dc.DrawLine(border_points[0].x+1,
 514                     border_points[0].y,
 515                     border_points[5].x,
 516                     border_points[5].y);
 517     }
 518
 519
 520     int text_offset = tab_x + 8;
 521     int close_button_width = 0;
 522     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 523     {
 524         close_button_width = m_active_close_bmp.GetWidth();
 525     }
 526
 527     int bitmap_offset = 0;
 528     if (page.bitmap.IsOk())
 529     {
 530         bitmap_offset = tab_x + 8;
 531
 532         // draw bitmap
 533         dc.DrawBitmap(page.bitmap,
 534                       bitmap_offset,
 535                       drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
 536                       true);
 537
 538         text_offset = bitmap_offset + page.bitmap.GetWidth();
 539         text_offset += 3; // bitmap padding
 540
 541     }
 542     else
 543     {
 544         text_offset = tab_x + 8;
 545     }
 546
 547
 548     wxString draw_text = wxAuiChopText(dc,
 549                           caption,
 550                           tab_width - (text_offset-tab_x) - close_button_width);
 551
 552     // draw tab text
 553     dc.DrawText(draw_text,
 554                 text_offset,
 555                 drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1);
 556
 557     // draw focus rectangle
 558     if (page.active && (wnd->FindFocus() == wnd))
 559     {
 560         wxRect focusRectText(text_offset, (drawn_tab_yoff + (drawn_tab_height)/2 - (texty/2) - 1),
 561             selected_textx, selected_texty);
 562
 563         wxRect focusRect;
 564         wxRect focusRectBitmap;
 565
 566         if (page.bitmap.IsOk())
 567             focusRectBitmap = wxRect(bitmap_offset, drawn_tab_yoff + (drawn_tab_height/2) - (page.bitmap.GetHeight()/2),
 568                                             page.bitmap.GetWidth(), page.bitmap.GetHeight());
 569
 570         if (page.bitmap.IsOk() && draw_text.IsEmpty())
 571             focusRect = focusRectBitmap;
 572         else if (!page.bitmap.IsOk() && !draw_text.IsEmpty())
 573             focusRect = focusRectText;
 574         else if (page.bitmap.IsOk() && !draw_text.IsEmpty())
 575             focusRect = focusRectText.Union(focusRectBitmap);
 576
 577         focusRect.Inflate(2, 2);
 578
 579         wxRendererNative::Get().DrawFocusRect(wnd, dc, focusRect, 0);
 580     }
 581
 582     // draw close button if necessary
 583     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
 584     {
 585         wxBitmap bmp = m_disabled_close_bmp;
 586
 587         if (close_button_state == wxAUI_BUTTON_STATE_HOVER ||
 588             close_button_state == wxAUI_BUTTON_STATE_PRESSED)
 589         {
 590             bmp = m_active_close_bmp;
 591         }
 592
 593         int offsetY = tab_y-1;
 594         if (m_flags & wxAUI_NB_BOTTOM)
 595             offsetY = 1;
 596
 597         wxRect rect(tab_x + tab_width - close_button_width - 1,
 598                     offsetY + (tab_height/2) - (bmp.GetHeight()/2),
 599                     close_button_width,
 600                     tab_height);
 601
 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         wxMenuItem* item = new wxMenuItem(NULL, 1000+i, caption);
 747         if (page.bitmap.IsOk())
 748             item->SetBitmap(page.bitmap);
 749         menuPopup.Append(item);
 750     }
 751
 752     // find out where to put the popup menu of window items
 753     wxPoint pt = ::wxGetMousePosition();
 754     pt = wnd->ScreenToClient(pt);
 755
 756     // find out the screen coordinate at the bottom of the tab ctrl
 757     wxRect cli_rect = wnd->GetClientRect();
 758     pt.y = cli_rect.y + cli_rect.height;
 759
 760     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
 761     wnd->PushEventHandler(cc);
 762     wnd->PopupMenu(&menuPopup, pt);
 763     int command = cc->GetCommandId();
 764     wnd->PopEventHandler(true);
 765
 766     if (command >= 1000)
 767         return command-1000;
 768
 769     return -1;
 770 }
 771
 772 int wxAuiDefaultTabArt::GetBestTabCtrlSize(wxWindow* wnd,
 773                                            const wxAuiNotebookPageArray& pages,
 774                                            const wxSize& required_bmp_size)
 775 {
 776     wxClientDC dc(wnd);
 777     dc.SetFont(m_measuring_font);
 778
 779     // sometimes a standard bitmap size needs to be enforced, especially
 780     // if some tabs have bitmaps and others don't.  This is important because
 781     // it prevents the tab control from resizing when tabs are added.
 782     wxBitmap measure_bmp;
 783     if (required_bmp_size.IsFullySpecified())
 784     {
 785         measure_bmp.Create(required_bmp_size.x,
 786                            required_bmp_size.y);
 787     }
 788
 789
 790     int max_y = 0;
 791     size_t i, page_count = pages.GetCount();
 792     for (i = 0; i < page_count; ++i)
 793     {
 794         wxAuiNotebookPage& page = pages.Item(i);
 795
 796         wxBitmap bmp;
 797         if (measure_bmp.IsOk())
 798             bmp = measure_bmp;
 799         else
 800             bmp = page.bitmap;
 801
 802         // we don't use the caption text because we don't
 803         // want tab heights to be different in the case
 804         // of a very short piece of text on one tab and a very
 805         // tall piece of text on another tab
 806         int x_ext = 0;
 807         wxSize s = GetTabSize(dc,
 808                               wnd,
 809                               wxT("ABCDEFGHIj"),
 810                               bmp,
 811                               true,
 812                               wxAUI_BUTTON_STATE_HIDDEN,
 813                               &x_ext);
 814
 815         max_y = wxMax(max_y, s.y);
 816     }
 817
 818     return max_y+2;
 819 }
 820
 821 void wxAuiDefaultTabArt::SetNormalFont(const wxFont& font)
 822 {
 823     m_normal_font = font;
 824 }
 825
 826 void wxAuiDefaultTabArt::SetSelectedFont(const wxFont& font)
 827 {
 828     m_selected_font = font;
 829 }
 830
 831 void wxAuiDefaultTabArt::SetMeasuringFont(const wxFont& font)
 832 {
 833     m_measuring_font = font;
 834 }
 835
 836 void wxAuiDefaultTabArt::SetColour(const wxColour& colour)
 837 {
 838     m_base_colour = colour;
 839     m_border_pen = wxPen(m_base_colour.ChangeLightness(75));
 840     m_base_colour_pen = wxPen(m_base_colour);
 841     m_base_colour_brush = wxBrush(m_base_colour);
 842 }
 843
 844 void wxAuiDefaultTabArt::SetActiveColour(const wxColour& colour)
 845 {
 846     m_active_colour = colour;
 847 }
 848
 849 // -- wxAuiSimpleTabArt class implementation --
 850
 851 wxAuiSimpleTabArt::wxAuiSimpleTabArt()
 852 {
 853     m_normal_font = *wxNORMAL_FONT;
 854     m_selected_font = *wxNORMAL_FONT;
 855     m_selected_font.SetWeight(wxBOLD);
 856     m_measuring_font = m_selected_font;
 857
 858     m_flags = 0;
 859     m_fixed_tab_width = 100;
 860
 861     wxColour base_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 862
 863     wxColour background_colour = base_colour;
 864     wxColour normaltab_colour = base_colour;
 865     wxColour selectedtab_colour = *wxWHITE;
 866
 867     m_bkbrush = wxBrush(background_colour);
 868     m_normal_bkbrush = wxBrush(normaltab_colour);
 869     m_normal_bkpen = wxPen(normaltab_colour);
 870     m_selected_bkbrush = wxBrush(selectedtab_colour);
 871     m_selected_bkpen = wxPen(selectedtab_colour);
 872
 873     m_active_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, *wxBLACK);
 874     m_disabled_close_bmp = wxAuiBitmapFromBits(close_bits, 16, 16, wxColour(128,128,128));
 875
 876     m_active_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, *wxBLACK);
 877     m_disabled_left_bmp = wxAuiBitmapFromBits(left_bits, 16, 16, wxColour(128,128,128));
 878
 879     m_active_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, *wxBLACK);
 880     m_disabled_right_bmp = wxAuiBitmapFromBits(right_bits, 16, 16, wxColour(128,128,128));
 881
 882     m_active_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, *wxBLACK);
 883     m_disabled_windowlist_bmp = wxAuiBitmapFromBits(list_bits, 16, 16, wxColour(128,128,128));
 884
 885 }
 886
 887 wxAuiSimpleTabArt::~wxAuiSimpleTabArt()
 888 {
 889 }
 890
 891 wxAuiTabArt* wxAuiSimpleTabArt::Clone()
 892 {
 893     return new wxAuiSimpleTabArt(*this);
 894 }
 895
 896 void wxAuiSimpleTabArt::SetFlags(unsigned int flags)
 897 {
 898     m_flags = flags;
 899 }
 900
 901 void wxAuiSimpleTabArt::SetSizingInfo(const wxSize& tab_ctrl_size,
 902                                       size_t tab_count)
 903 {
 904     m_fixed_tab_width = 100;
 905
 906     int tot_width = (int)tab_ctrl_size.x - GetIndentSize() - 4;
 907
 908     if (m_flags & wxAUI_NB_CLOSE_BUTTON)
 909         tot_width -= m_active_close_bmp.GetWidth();
 910     if (m_flags & wxAUI_NB_WINDOWLIST_BUTTON)
 911         tot_width -= m_active_windowlist_bmp.GetWidth();
 912
 913     if (tab_count > 0)
 914     {
 915         m_fixed_tab_width = tot_width/(int)tab_count;
 916     }
 917
 918
 919     if (m_fixed_tab_width < 100)
 920         m_fixed_tab_width = 100;
 921
 922     if (m_fixed_tab_width > tot_width/2)
 923         m_fixed_tab_width = tot_width/2;
 924
 925     if (m_fixed_tab_width > 220)
 926         m_fixed_tab_width = 220;
 927 }
 928
 929 void wxAuiSimpleTabArt::SetColour(const wxColour& colour)
 930 {
 931     m_bkbrush = wxBrush(colour);
 932     m_normal_bkbrush = wxBrush(colour);
 933     m_normal_bkpen = wxPen(colour);
 934 }
 935
 936 void wxAuiSimpleTabArt::SetActiveColour(const wxColour& colour)
 937 {
 938     m_selected_bkbrush = wxBrush(colour);
 939     m_selected_bkpen = wxPen(colour);
 940 }
 941
 942 void wxAuiSimpleTabArt::DrawBackground(wxDC& dc,
 943                                        wxWindow* WXUNUSED(wnd),
 944                                        const wxRect& rect)
 945 {
 946     // draw background
 947     dc.SetBrush(m_bkbrush);
 948     dc.SetPen(*wxTRANSPARENT_PEN);
 949     dc.DrawRectangle(-1, -1, rect.GetWidth()+2, rect.GetHeight()+2);
 950
 951     // draw base line
 952     dc.SetPen(*wxGREY_PEN);
 953     dc.DrawLine(0, rect.GetHeight()-1, rect.GetWidth(), rect.GetHeight()-1);
 954 }
 955
 956
 957 // DrawTab() draws an individual tab.
 958 //
 959 // dc       - output dc
 960 // in_rect  - rectangle the tab should be confined to
 961 // caption  - tab's caption
 962 // active   - whether or not the tab is active
 963 // out_rect - actual output rectangle
 964 // x_extent - the advance x; where the next tab should start
 965
 966 void wxAuiSimpleTabArt::DrawTab(wxDC& dc,
 967                                 wxWindow* wnd,
 968                                 const wxAuiNotebookPage& page,
 969                                 const wxRect& in_rect,
 970                                 int close_button_state,
 971                                 wxRect* out_tab_rect,
 972                                 wxRect* out_button_rect,
 973                                 int* x_extent)
 974 {
 975     wxCoord normal_textx, normal_texty;
 976     wxCoord selected_textx, selected_texty;
 977     wxCoord textx, texty;
 978
 979     // if the caption is empty, measure some temporary text
 980     wxString caption = page.caption;
 981     if (caption.empty())
 982         caption = wxT("Xj");
 983
 984     dc.SetFont(m_selected_font);
 985     dc.GetTextExtent(caption, &selected_textx, &selected_texty);
 986
 987     dc.SetFont(m_normal_font);
 988     dc.GetTextExtent(caption, &normal_textx, &normal_texty);
 989
 990     // figure out the size of the tab
 991     wxSize tab_size = GetTabSize(dc,
 992                                  wnd,
 993                                  page.caption,
 994                                  page.bitmap,
 995                                  page.active,
 996                                  close_button_state,
 997                                  x_extent);
 998
 999     wxCoord tab_height = tab_size.y;
1000     wxCoord tab_width = tab_size.x;
1001     wxCoord tab_x = in_rect.x;
1002     wxCoord tab_y = in_rect.y + in_rect.height - tab_height;
1003
1004     caption = page.caption;
1005
1006     // select pen, brush and font for the tab to be drawn
1007
1008     if (page.active)
1009     {
1010         dc.SetPen(m_selected_bkpen);
1011         dc.SetBrush(m_selected_bkbrush);
1012         dc.SetFont(m_selected_font);
1013         textx = selected_textx;
1014         texty = selected_texty;
1015     }
1016     else
1017     {
1018         dc.SetPen(m_normal_bkpen);
1019         dc.SetBrush(m_normal_bkbrush);
1020         dc.SetFont(m_normal_font);
1021         textx = normal_textx;
1022         texty = normal_texty;
1023     }
1024
1025
1026     // -- draw line --
1027
1028     wxPoint points[7];
1029     points[0].x = tab_x;
1030     points[0].y = tab_y + tab_height - 1;
1031     points[1].x = tab_x + tab_height - 3;
1032     points[1].y = tab_y + 2;
1033     points[2].x = tab_x + tab_height + 3;
1034     points[2].y = tab_y;
1035     points[3].x = tab_x + tab_width - 2;
1036     points[3].y = tab_y;
1037     points[4].x = tab_x + tab_width;
1038     points[4].y = tab_y + 2;
1039     points[5].x = tab_x + tab_width;
1040     points[5].y = tab_y + tab_height - 1;
1041     points[6] = points[0];
1042
1043     dc.SetClippingRegion(in_rect);
1044
1045     dc.DrawPolygon(WXSIZEOF(points) - 1, points);
1046
1047     dc.SetPen(*wxGREY_PEN);
1048
1049     //dc.DrawLines(active ? WXSIZEOF(points) - 1 : WXSIZEOF(points), points);
1050     dc.DrawLines(WXSIZEOF(points), points);
1051
1052
1053     int text_offset;
1054
1055     int close_button_width = 0;
1056     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1057     {
1058         close_button_width = m_active_close_bmp.GetWidth();
1059         text_offset = tab_x + (tab_height/2) + ((tab_width-close_button_width)/2) - (textx/2);
1060     }
1061     else
1062     {
1063         text_offset = tab_x + (tab_height/3) + (tab_width/2) - (textx/2);
1064     }
1065
1066     // set minimum text offset
1067     if (text_offset < tab_x + tab_height)
1068         text_offset = tab_x + tab_height;
1069
1070     // chop text if necessary
1071     wxString draw_text = wxAuiChopText(dc,
1072                           caption,
1073                           tab_width - (text_offset-tab_x) - close_button_width);
1074
1075     // draw tab text
1076     dc.DrawText(draw_text,
1077                  text_offset,
1078                  (tab_y + tab_height)/2 - (texty/2) + 1);
1079
1080
1081     // draw focus rectangle
1082     if (page.active && (wnd->FindFocus() == wnd))
1083     {
1084         wxRect focusRect(text_offset, ((tab_y + tab_height)/2 - (texty/2) + 1),
1085             selected_textx, selected_texty);
1086
1087         focusRect.Inflate(2, 2);
1088
1089         wxRendererNative::Get().DrawFocusRect(wnd, dc, focusRect, 0);
1090     }
1091
1092     // draw close button if necessary
1093     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1094     {
1095         wxBitmap bmp;
1096         if (page.active)
1097             bmp = m_active_close_bmp;
1098         else
1099             bmp = m_disabled_close_bmp;
1100
1101         wxRect rect(tab_x + tab_width - close_button_width - 1,
1102                     tab_y + (tab_height/2) - (bmp.GetHeight()/2) + 1,
1103                     close_button_width,
1104                     tab_height - 1);
1105         DrawButtons(dc, rect, bmp, *wxWHITE, close_button_state);
1106
1107         *out_button_rect = rect;
1108     }
1109
1110
1111     *out_tab_rect = wxRect(tab_x, tab_y, tab_width, tab_height);
1112
1113     dc.DestroyClippingRegion();
1114 }
1115
1116 int wxAuiSimpleTabArt::GetIndentSize()
1117 {
1118     return 0;
1119 }
1120
1121 wxSize wxAuiSimpleTabArt::GetTabSize(wxDC& dc,
1122                                      wxWindow* WXUNUSED(wnd),
1123                                      const wxString& caption,
1124                                      const wxBitmap& WXUNUSED(bitmap),
1125                                      bool WXUNUSED(active),
1126                                      int close_button_state,
1127                                      int* x_extent)
1128 {
1129     wxCoord measured_textx, measured_texty;
1130
1131     dc.SetFont(m_measuring_font);
1132     dc.GetTextExtent(caption, &measured_textx, &measured_texty);
1133
1134     wxCoord tab_height = measured_texty + 4;
1135     wxCoord tab_width = measured_textx + tab_height + 5;
1136
1137     if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
1138         tab_width += m_active_close_bmp.GetWidth();
1139
1140     if (m_flags & wxAUI_NB_TAB_FIXED_WIDTH)
1141     {
1142         tab_width = m_fixed_tab_width;
1143     }
1144
1145     *x_extent = tab_width - (tab_height/2) - 1;
1146
1147     return wxSize(tab_width, tab_height);
1148 }
1149
1150
1151 void wxAuiSimpleTabArt::DrawButton(wxDC& dc,
1152                                    wxWindow* WXUNUSED(wnd),
1153                                    const wxRect& in_rect,
1154                                    int bitmap_id,
1155                                    int button_state,
1156                                    int orientation,
1157                                    wxRect* out_rect)
1158 {
1159     wxBitmap bmp;
1160     wxRect rect;
1161
1162     switch (bitmap_id)
1163     {
1164         case wxAUI_BUTTON_CLOSE:
1165             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1166                 bmp = m_disabled_close_bmp;
1167             else
1168                 bmp = m_active_close_bmp;
1169             break;
1170         case wxAUI_BUTTON_LEFT:
1171             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1172                 bmp = m_disabled_left_bmp;
1173             else
1174                 bmp = m_active_left_bmp;
1175             break;
1176         case wxAUI_BUTTON_RIGHT:
1177             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1178                 bmp = m_disabled_right_bmp;
1179             else
1180                 bmp = m_active_right_bmp;
1181             break;
1182         case wxAUI_BUTTON_WINDOWLIST:
1183             if (button_state & wxAUI_BUTTON_STATE_DISABLED)
1184                 bmp = m_disabled_windowlist_bmp;
1185             else
1186                 bmp = m_active_windowlist_bmp;
1187             break;
1188     }
1189
1190     if (!bmp.IsOk())
1191         return;
1192
1193     rect = in_rect;
1194
1195     if (orientation == wxLEFT)
1196     {
1197         rect.SetX(in_rect.x);
1198         rect.SetY(((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2));
1199         rect.SetWidth(bmp.GetWidth());
1200         rect.SetHeight(bmp.GetHeight());
1201     }
1202     else
1203     {
1204         rect = wxRect(in_rect.x + in_rect.width - bmp.GetWidth(),
1205                       ((in_rect.y + in_rect.height)/2) - (bmp.GetHeight()/2),
1206                       bmp.GetWidth(), bmp.GetHeight());
1207     }
1208
1209
1210     DrawButtons(dc, rect, bmp, *wxWHITE, button_state);
1211
1212     *out_rect = rect;
1213 }
1214
1215 int wxAuiSimpleTabArt::ShowDropDown(wxWindow* wnd,
1216                                     const wxAuiNotebookPageArray& pages,
1217                                     int active_idx)
1218 {
1219     wxMenu menuPopup;
1220
1221     size_t i, count = pages.GetCount();
1222     for (i = 0; i < count; ++i)
1223     {
1224         const wxAuiNotebookPage& page = pages.Item(i);
1225         menuPopup.AppendCheckItem(1000+i, page.caption);
1226     }
1227
1228     if (active_idx != -1)
1229     {
1230         menuPopup.Check(1000+active_idx, true);
1231     }
1232
1233     // find out where to put the popup menu of window
1234     // items.  Subtract 100 for now to center the menu
1235     // a bit, until a better mechanism can be implemented
1236     wxPoint pt = ::wxGetMousePosition();
1237     pt = wnd->ScreenToClient(pt);
1238     if (pt.x < 100)
1239         pt.x = 0;
1240     else
1241         pt.x -= 100;
1242
1243     // find out the screen coordinate at the bottom of the tab ctrl
1244     wxRect cli_rect = wnd->GetClientRect();
1245     pt.y = cli_rect.y + cli_rect.height;
1246
1247     wxAuiCommandCapture* cc = new wxAuiCommandCapture;
1248     wnd->PushEventHandler(cc);
1249     wnd->PopupMenu(&menuPopup, pt);
1250     int command = cc->GetCommandId();
1251     wnd->PopEventHandler(true);
1252
1253     if (command >= 1000)
1254         return command-1000;
1255
1256     return -1;
1257 }
1258
1259 int wxAuiSimpleTabArt::GetBestTabCtrlSize(wxWindow* wnd,
1260                                           const wxAuiNotebookPageArray& WXUNUSED(pages),
1261                                           const wxSize& WXUNUSED(required_bmp_size))
1262 {
1263     wxClientDC dc(wnd);
1264     dc.SetFont(m_measuring_font);
1265     int x_ext = 0;
1266     wxSize s = GetTabSize(dc,
1267                           wnd,
1268                           wxT("ABCDEFGHIj"),
1269                           wxNullBitmap,
1270                           true,
1271                           wxAUI_BUTTON_STATE_HIDDEN,
1272                           &x_ext);
1273     return s.y+3;
1274 }
1275
1276 void wxAuiSimpleTabArt::SetNormalFont(const wxFont& font)
1277 {
1278     m_normal_font = font;
1279 }
1280
1281 void wxAuiSimpleTabArt::SetSelectedFont(const wxFont& font)
1282 {
1283     m_selected_font = font;
1284 }
1285
1286 void wxAuiSimpleTabArt::SetMeasuringFont(const wxFont& font)
1287 {
1288     m_measuring_font = font;
1289 }
1290
1291
1292
1293
1294 // -- wxAuiTabContainer class implementation --
1295
1296
1297 // wxAuiTabContainer is a class which contains information about each
1298 // tab.  It also can render an entire tab control to a specified DC.
1299 // It's not a window class itself, because this code will be used by
1300 // the wxFrameMananger, where it is disadvantageous to have separate
1301 // windows for each tab control in the case of "docked tabs"
1302
1303 // A derived class, wxAuiTabCtrl, is an actual wxWindow-derived window
1304 // which can be used as a tab control in the normal sense.
1305
1306
1307 wxAuiTabContainer::wxAuiTabContainer()
1308 {
1309     m_tab_offset = 0;
1310     m_flags = 0;
1311     m_art = new wxAuiDefaultTabArt;
1312
1313     AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1314     AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1315     AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1316     AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1317 }
1318
1319 wxAuiTabContainer::~wxAuiTabContainer()
1320 {
1321     delete m_art;
1322 }
1323
1324 void wxAuiTabContainer::SetArtProvider(wxAuiTabArt* art)
1325 {
1326     delete m_art;
1327     m_art = art;
1328
1329     if (m_art)
1330     {
1331         m_art->SetFlags(m_flags);
1332     }
1333 }
1334
1335 wxAuiTabArt* wxAuiTabContainer::GetArtProvider() const
1336 {
1337     return m_art;
1338 }
1339
1340 void wxAuiTabContainer::SetFlags(unsigned int flags)
1341 {
1342     m_flags = flags;
1343
1344     // check for new close button settings
1345     RemoveButton(wxAUI_BUTTON_LEFT);
1346     RemoveButton(wxAUI_BUTTON_RIGHT);
1347     RemoveButton(wxAUI_BUTTON_WINDOWLIST);
1348     RemoveButton(wxAUI_BUTTON_CLOSE);
1349
1350
1351     if (flags & wxAUI_NB_SCROLL_BUTTONS)
1352     {
1353         AddButton(wxAUI_BUTTON_LEFT, wxLEFT);
1354         AddButton(wxAUI_BUTTON_RIGHT, wxRIGHT);
1355     }
1356
1357     if (flags & wxAUI_NB_WINDOWLIST_BUTTON)
1358     {
1359         AddButton(wxAUI_BUTTON_WINDOWLIST, wxRIGHT);
1360     }
1361
1362     if (flags & wxAUI_NB_CLOSE_BUTTON)
1363     {
1364         AddButton(wxAUI_BUTTON_CLOSE, wxRIGHT);
1365     }
1366
1367     if (m_art)
1368     {
1369         m_art->SetFlags(m_flags);
1370     }
1371 }
1372
1373 unsigned int wxAuiTabContainer::GetFlags() const
1374 {
1375     return m_flags;
1376 }
1377
1378
1379 void wxAuiTabContainer::SetNormalFont(const wxFont& font)
1380 {
1381     m_art->SetNormalFont(font);
1382 }
1383
1384 void wxAuiTabContainer::SetSelectedFont(const wxFont& font)
1385 {
1386     m_art->SetSelectedFont(font);
1387 }
1388
1389 void wxAuiTabContainer::SetMeasuringFont(const wxFont& font)
1390 {
1391     m_art->SetMeasuringFont(font);
1392 }
1393
1394 void wxAuiTabContainer::SetColour(const wxColour& colour)
1395 {
1396     m_art->SetColour(colour);
1397 }
1398
1399 void wxAuiTabContainer::SetActiveColour(const wxColour& colour)
1400 {
1401     m_art->SetActiveColour(colour);
1402 }
1403
1404 void wxAuiTabContainer::SetRect(const wxRect& rect)
1405 {
1406     m_rect = rect;
1407
1408     if (m_art)
1409     {
1410         m_art->SetSizingInfo(rect.GetSize(), m_pages.GetCount());
1411     }
1412 }
1413
1414 bool wxAuiTabContainer::AddPage(wxWindow* page,
1415                                 const wxAuiNotebookPage& info)
1416 {
1417     wxAuiNotebookPage page_info;
1418     page_info = info;
1419     page_info.window = page;
1420
1421     m_pages.Add(page_info);
1422
1423     // let the art provider know how many pages we have
1424     if (m_art)
1425     {
1426         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1427     }
1428
1429     return true;
1430 }
1431
1432 bool wxAuiTabContainer::InsertPage(wxWindow* page,
1433                                    const wxAuiNotebookPage& info,
1434                                    size_t idx)
1435 {
1436     wxAuiNotebookPage page_info;
1437     page_info = info;
1438     page_info.window = page;
1439
1440     if (idx >= m_pages.GetCount())
1441         m_pages.Add(page_info);
1442     else
1443         m_pages.Insert(page_info, idx);
1444
1445     // let the art provider know how many pages we have
1446     if (m_art)
1447     {
1448         m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1449     }
1450
1451     return true;
1452 }
1453
1454 bool wxAuiTabContainer::MovePage(wxWindow* page,
1455                                  size_t new_idx)
1456 {
1457     int idx = GetIdxFromWindow(page);
1458     if (idx == -1)
1459         return false;
1460
1461     // get page entry, make a copy of it
1462     wxAuiNotebookPage p = GetPage(idx);
1463
1464     // remove old page entry
1465     RemovePage(page);
1466
1467     // insert page where it should be
1468     InsertPage(page, p, new_idx);
1469
1470     return true;
1471 }
1472
1473 bool wxAuiTabContainer::RemovePage(wxWindow* wnd)
1474 {
1475     size_t i, page_count = m_pages.GetCount();
1476     for (i = 0; i < page_count; ++i)
1477     {
1478         wxAuiNotebookPage& page = m_pages.Item(i);
1479         if (page.window == wnd)
1480         {
1481             m_pages.RemoveAt(i);
1482
1483             // let the art provider know how many pages we have
1484             if (m_art)
1485             {
1486                 m_art->SetSizingInfo(m_rect.GetSize(), m_pages.GetCount());
1487             }
1488
1489             return true;
1490         }
1491     }
1492
1493     return false;
1494 }
1495
1496 bool wxAuiTabContainer::SetActivePage(wxWindow* wnd)
1497 {
1498     bool found = false;
1499
1500     size_t i, page_count = m_pages.GetCount();
1501     for (i = 0; i < page_count; ++i)
1502     {
1503         wxAuiNotebookPage& page = m_pages.Item(i);
1504         if (page.window == wnd)
1505         {
1506             page.active = true;
1507             found = true;
1508         }
1509         else
1510         {
1511             page.active = false;
1512         }
1513     }
1514
1515     return found;
1516 }
1517
1518 void wxAuiTabContainer::SetNoneActive()
1519 {
1520     size_t i, page_count = m_pages.GetCount();
1521     for (i = 0; i < page_count; ++i)
1522     {
1523         wxAuiNotebookPage& page = m_pages.Item(i);
1524         page.active = false;
1525     }
1526 }
1527
1528 bool wxAuiTabContainer::SetActivePage(size_t page)
1529 {
1530     if (page >= m_pages.GetCount())
1531         return false;
1532
1533     return SetActivePage(m_pages.Item(page).window);
1534 }
1535
1536 int wxAuiTabContainer::GetActivePage() const
1537 {
1538     size_t i, page_count = m_pages.GetCount();
1539     for (i = 0; i < page_count; ++i)
1540     {
1541         wxAuiNotebookPage& page = m_pages.Item(i);
1542         if (page.active)
1543             return i;
1544     }
1545
1546     return -1;
1547 }
1548
1549 wxWindow* wxAuiTabContainer::GetWindowFromIdx(size_t idx) const
1550 {
1551     if (idx >= m_pages.GetCount())
1552         return NULL;
1553
1554     return m_pages[idx].window;
1555 }
1556
1557 int wxAuiTabContainer::GetIdxFromWindow(wxWindow* wnd) const
1558 {
1559     const size_t page_count = m_pages.GetCount();
1560     for ( size_t i = 0; i < page_count; ++i )
1561     {
1562         wxAuiNotebookPage& page = m_pages.Item(i);
1563         if (page.window == wnd)
1564             return i;
1565     }
1566     return wxNOT_FOUND;
1567 }
1568
1569 wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx)
1570 {
1571     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1572
1573     return m_pages[idx];
1574 }
1575
1576 const wxAuiNotebookPage& wxAuiTabContainer::GetPage(size_t idx) const
1577 {
1578     wxASSERT_MSG(idx < m_pages.GetCount(), wxT("Invalid Page index"));
1579
1580     return m_pages[idx];
1581 }
1582
1583 wxAuiNotebookPageArray& wxAuiTabContainer::GetPages()
1584 {
1585     return m_pages;
1586 }
1587
1588 size_t wxAuiTabContainer::GetPageCount() const
1589 {
1590     return m_pages.GetCount();
1591 }
1592
1593 void wxAuiTabContainer::AddButton(int id,
1594                                   int location,
1595                                   const wxBitmap& normal_bitmap,
1596                                   const wxBitmap& disabled_bitmap)
1597 {
1598     wxAuiTabContainerButton button;
1599     button.id = id;
1600     button.bitmap = normal_bitmap;
1601     button.dis_bitmap = disabled_bitmap;
1602     button.location = location;
1603     button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1604
1605     m_buttons.Add(button);
1606 }
1607
1608 void wxAuiTabContainer::RemoveButton(int id)
1609 {
1610     size_t i, button_count = m_buttons.GetCount();
1611
1612     for (i = 0; i < button_count; ++i)
1613     {
1614         if (m_buttons.Item(i).id == id)
1615         {
1616             m_buttons.RemoveAt(i);
1617             return;
1618         }
1619     }
1620 }
1621
1622
1623
1624 size_t wxAuiTabContainer::GetTabOffset() const
1625 {
1626     return m_tab_offset;
1627 }
1628
1629 void wxAuiTabContainer::SetTabOffset(size_t offset)
1630 {
1631     m_tab_offset = offset;
1632 }
1633
1634
1635
1636
1637 // Render() renders the tab catalog to the specified DC
1638 // It is a virtual function and can be overridden to
1639 // provide custom drawing capabilities
1640 void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
1641 {
1642     if (!raw_dc || !raw_dc->IsOk())
1643         return;
1644
1645     wxMemoryDC dc;
1646
1647     // use the same layout direction as the window DC uses to ensure that the
1648     // text is rendered correctly
1649     dc.SetLayoutDirection(raw_dc->GetLayoutDirection());
1650
1651     wxBitmap bmp;
1652     size_t i;
1653     size_t page_count = m_pages.GetCount();
1654     size_t button_count = m_buttons.GetCount();
1655
1656     // create off-screen bitmap
1657     bmp.Create(m_rect.GetWidth(), m_rect.GetHeight());
1658     dc.SelectObject(bmp);
1659
1660     if (!dc.IsOk())
1661         return;
1662
1663     // find out if size of tabs is larger than can be
1664     // afforded on screen
1665     int total_width = 0;
1666     int visible_width = 0;
1667     for (i = 0; i < page_count; ++i)
1668     {
1669         wxAuiNotebookPage& page = m_pages.Item(i);
1670
1671         // determine if a close button is on this tab
1672         bool close_button = false;
1673         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1674             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1675         {
1676             close_button = true;
1677         }
1678
1679
1680         int x_extent = 0;
1681         wxSize size = m_art->GetTabSize(dc,
1682                             wnd,
1683                             page.caption,
1684                             page.bitmap,
1685                             page.active,
1686                             close_button ?
1687                               wxAUI_BUTTON_STATE_NORMAL :
1688                               wxAUI_BUTTON_STATE_HIDDEN,
1689                             &x_extent);
1690
1691         if (i+1 < page_count)
1692             total_width += x_extent;
1693         else
1694             total_width += size.x;
1695
1696         if (i >= m_tab_offset)
1697         {
1698             if (i+1 < page_count)
1699                 visible_width += x_extent;
1700             else
1701                 visible_width += size.x;
1702         }
1703     }
1704
1705     if (total_width > m_rect.GetWidth() || m_tab_offset != 0)
1706     {
1707         // show left/right buttons
1708         for (i = 0; i < button_count; ++i)
1709         {
1710             wxAuiTabContainerButton& button = m_buttons.Item(i);
1711             if (button.id == wxAUI_BUTTON_LEFT ||
1712                 button.id == wxAUI_BUTTON_RIGHT)
1713             {
1714                 button.cur_state &= ~wxAUI_BUTTON_STATE_HIDDEN;
1715             }
1716         }
1717     }
1718     else
1719     {
1720         // hide left/right buttons
1721         for (i = 0; i < button_count; ++i)
1722         {
1723             wxAuiTabContainerButton& button = m_buttons.Item(i);
1724             if (button.id == wxAUI_BUTTON_LEFT ||
1725                 button.id == wxAUI_BUTTON_RIGHT)
1726             {
1727                 button.cur_state |= wxAUI_BUTTON_STATE_HIDDEN;
1728             }
1729         }
1730     }
1731
1732     // determine whether left button should be enabled
1733     for (i = 0; i < button_count; ++i)
1734     {
1735         wxAuiTabContainerButton& button = m_buttons.Item(i);
1736         if (button.id == wxAUI_BUTTON_LEFT)
1737         {
1738             if (m_tab_offset == 0)
1739                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1740             else
1741                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1742         }
1743         if (button.id == wxAUI_BUTTON_RIGHT)
1744         {
1745             if (visible_width < m_rect.GetWidth() - ((int)button_count*16))
1746                 button.cur_state |= wxAUI_BUTTON_STATE_DISABLED;
1747             else
1748                 button.cur_state &= ~wxAUI_BUTTON_STATE_DISABLED;
1749         }
1750     }
1751
1752
1753
1754     // draw background
1755     m_art->DrawBackground(dc, wnd, m_rect);
1756
1757     // draw buttons
1758     int left_buttons_width = 0;
1759     int right_buttons_width = 0;
1760
1761     int offset = 0;
1762
1763     // draw the buttons on the right side
1764     offset = m_rect.x + m_rect.width;
1765     for (i = 0; i < button_count; ++i)
1766     {
1767         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1768
1769         if (button.location != wxRIGHT)
1770             continue;
1771         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1772             continue;
1773
1774         wxRect button_rect = m_rect;
1775         button_rect.SetY(1);
1776         button_rect.SetWidth(offset);
1777
1778         m_art->DrawButton(dc,
1779                           wnd,
1780                           button_rect,
1781                           button.id,
1782                           button.cur_state,
1783                           wxRIGHT,
1784                           &button.rect);
1785
1786         offset -= button.rect.GetWidth();
1787         right_buttons_width += button.rect.GetWidth();
1788     }
1789
1790
1791
1792     offset = 0;
1793
1794     // draw the buttons on the left side
1795
1796     for (i = 0; i < button_count; ++i)
1797     {
1798         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1799
1800         if (button.location != wxLEFT)
1801             continue;
1802         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1803             continue;
1804
1805         wxRect button_rect(offset, 1, 1000, m_rect.height);
1806
1807         m_art->DrawButton(dc,
1808                           wnd,
1809                           button_rect,
1810                           button.id,
1811                           button.cur_state,
1812                           wxLEFT,
1813                           &button.rect);
1814
1815         offset += button.rect.GetWidth();
1816         left_buttons_width += button.rect.GetWidth();
1817     }
1818
1819     offset = left_buttons_width;
1820
1821     if (offset == 0)
1822         offset += m_art->GetIndentSize();
1823
1824
1825     // prepare the tab-close-button array
1826     // make sure tab button entries which aren't used are marked as hidden
1827     for (i = page_count; i < m_tab_close_buttons.GetCount(); ++i)
1828         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1829
1830     // make sure there are enough tab button entries to accommodate all tabs
1831     while (m_tab_close_buttons.GetCount() < page_count)
1832     {
1833         wxAuiTabContainerButton tempbtn;
1834         tempbtn.id = wxAUI_BUTTON_CLOSE;
1835         tempbtn.location = wxCENTER;
1836         tempbtn.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1837         m_tab_close_buttons.Add(tempbtn);
1838     }
1839
1840
1841     // buttons before the tab offset must be set to hidden
1842     for (i = 0; i < m_tab_offset; ++i)
1843     {
1844         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1845     }
1846
1847
1848     // draw the tabs
1849
1850     size_t active = 999;
1851     int active_offset = 0;
1852     wxRect active_rect;
1853
1854     int x_extent = 0;
1855     wxRect rect = m_rect;
1856     rect.y = 0;
1857     rect.height = m_rect.height;
1858
1859     for (i = m_tab_offset; i < page_count; ++i)
1860     {
1861         wxAuiNotebookPage& page = m_pages.Item(i);
1862         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
1863
1864         // determine if a close button is on this tab
1865         if ((m_flags & wxAUI_NB_CLOSE_ON_ALL_TABS) != 0 ||
1866             ((m_flags & wxAUI_NB_CLOSE_ON_ACTIVE_TAB) != 0 && page.active))
1867         {
1868             if (tab_button.cur_state == wxAUI_BUTTON_STATE_HIDDEN)
1869             {
1870                 tab_button.id = wxAUI_BUTTON_CLOSE;
1871                 tab_button.cur_state = wxAUI_BUTTON_STATE_NORMAL;
1872                 tab_button.location = wxCENTER;
1873             }
1874         }
1875         else
1876         {
1877             tab_button.cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1878         }
1879
1880         rect.x = offset;
1881         rect.width = m_rect.width - right_buttons_width - offset - 2;
1882
1883         if (rect.width <= 0)
1884             break;
1885
1886         m_art->DrawTab(dc,
1887                        wnd,
1888                        page,
1889                        rect,
1890                        tab_button.cur_state,
1891                        &page.rect,
1892                        &tab_button.rect,
1893                        &x_extent);
1894
1895         if (page.active)
1896         {
1897             active = i;
1898             active_offset = offset;
1899             active_rect = rect;
1900         }
1901
1902         offset += x_extent;
1903     }
1904
1905
1906     // make sure to deactivate buttons which are off the screen to the right
1907     for (++i; i < m_tab_close_buttons.GetCount(); ++i)
1908     {
1909         m_tab_close_buttons.Item(i).cur_state = wxAUI_BUTTON_STATE_HIDDEN;
1910     }
1911
1912
1913     // draw the active tab again so it stands in the foreground
1914     if (active >= m_tab_offset && active < m_pages.GetCount())
1915     {
1916         wxAuiNotebookPage& page = m_pages.Item(active);
1917
1918         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(active);
1919
1920         rect.x = active_offset;
1921         m_art->DrawTab(dc,
1922                        wnd,
1923                        page,
1924                        active_rect,
1925                        tab_button.cur_state,
1926                        &page.rect,
1927                        &tab_button.rect,
1928                        &x_extent);
1929     }
1930
1931
1932     raw_dc->Blit(m_rect.x, m_rect.y,
1933                  m_rect.GetWidth(), m_rect.GetHeight(),
1934                  &dc, 0, 0);
1935 }
1936
1937 // Is the tab visible?
1938 bool wxAuiTabContainer::IsTabVisible(int tabPage, int tabOffset, wxDC* dc, wxWindow* wnd)
1939 {
1940     if (!dc || !dc->IsOk())
1941         return false;
1942
1943     size_t i;
1944     size_t page_count = m_pages.GetCount();
1945     size_t button_count = m_buttons.GetCount();
1946
1947     // Hasn't been rendered yet; assume it's visible
1948     if (m_tab_close_buttons.GetCount() < page_count)
1949         return true;
1950
1951     // First check if both buttons are disabled - if so, there's no need to
1952     // check further for visibility.
1953     int arrowButtonVisibleCount = 0;
1954     for (i = 0; i < button_count; ++i)
1955     {
1956         wxAuiTabContainerButton& button = m_buttons.Item(i);
1957         if (button.id == wxAUI_BUTTON_LEFT ||
1958             button.id == wxAUI_BUTTON_RIGHT)
1959         {
1960             if ((button.cur_state & wxAUI_BUTTON_STATE_HIDDEN) == 0)
1961                 arrowButtonVisibleCount ++;
1962         }
1963     }
1964
1965     // Tab must be visible
1966     if (arrowButtonVisibleCount == 0)
1967         return true;
1968
1969     // If tab is less than the given offset, it must be invisible by definition
1970     if (tabPage < tabOffset)
1971         return false;
1972
1973     // draw buttons
1974     int left_buttons_width = 0;
1975     int right_buttons_width = 0;
1976
1977     int offset = 0;
1978
1979     // calculate size of the buttons on the right side
1980     offset = m_rect.x + m_rect.width;
1981     for (i = 0; i < button_count; ++i)
1982     {
1983         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
1984
1985         if (button.location != wxRIGHT)
1986             continue;
1987         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
1988             continue;
1989
1990         offset -= button.rect.GetWidth();
1991         right_buttons_width += button.rect.GetWidth();
1992     }
1993
1994     offset = 0;
1995
1996     // calculate size of the buttons on the left side
1997     for (i = 0; i < button_count; ++i)
1998     {
1999         wxAuiTabContainerButton& button = m_buttons.Item(button_count - i - 1);
2000
2001         if (button.location != wxLEFT)
2002             continue;
2003         if (button.cur_state & wxAUI_BUTTON_STATE_HIDDEN)
2004             continue;
2005
2006         offset += button.rect.GetWidth();
2007         left_buttons_width += button.rect.GetWidth();
2008     }
2009
2010     offset = left_buttons_width;
2011
2012     if (offset == 0)
2013         offset += m_art->GetIndentSize();
2014
2015     wxRect active_rect;
2016
2017     wxRect rect = m_rect;
2018     rect.y = 0;
2019     rect.height = m_rect.height;
2020
2021     // See if the given page is visible at the given tab offset (effectively scroll position)
2022     for (i = tabOffset; i < page_count; ++i)
2023     {
2024         wxAuiNotebookPage& page = m_pages.Item(i);
2025         wxAuiTabContainerButton& tab_button = m_tab_close_buttons.Item(i);
2026
2027         rect.x = offset;
2028         rect.width = m_rect.width - right_buttons_width - offset - 2;
2029
2030         if (rect.width <= 0)
2031             return false; // haven't found the tab, and we've run out of space, so return false
2032
2033         int x_extent = 0;
2034         wxSize size = m_art->GetTabSize(*dc,
2035                             wnd,
2036                             page.caption,
2037                             page.bitmap,
2038                             page.active,
2039                             tab_button.cur_state,
2040                             &x_extent);
2041
2042         offset += x_extent;
2043
2044         if (i == (size_t) tabPage)
2045         {
2046             // If not all of the tab is visible, and supposing there's space to display it all,
2047             // we could do better so we return false.
2048             if (((m_rect.width - right_buttons_width - offset - 2) <= 0) && ((m_rect.width - right_buttons_width - left_buttons_width) > x_extent))
2049                 return false;
2050             else
2051                 return true;
2052         }
2053     }
2054
2055     // Shouldn't really get here, but if it does, assume the tab is visible to prevent
2056     // further looping in calling code.
2057     return true;
2058 }
2059
2060 // Make the tab visible if it wasn't already
2061 void wxAuiTabContainer::MakeTabVisible(int tabPage, wxWindow* win)
2062 {
2063     wxClientDC dc(win);
2064     if (!IsTabVisible(tabPage, GetTabOffset(), & dc, win))
2065     {
2066         int i;
2067         for (i = 0; i < (int) m_pages.GetCount(); i++)
2068         {
2069             if (IsTabVisible(tabPage, i, & dc, win))
2070             {
2071                 SetTabOffset(i);
2072                 win->Refresh();
2073                 return;
2074             }
2075         }
2076     }
2077 }
2078
2079 // TabHitTest() tests if a tab was hit, passing the window pointer
2080 // back if that condition was fulfilled.  The function returns
2081 // true if a tab was hit, otherwise false
2082 bool wxAuiTabContainer::TabHitTest(int x, int y, wxWindow** hit) const
2083 {
2084     if (!m_rect.Contains(x,y))
2085         return false;
2086
2087     wxAuiTabContainerButton* btn = NULL;
2088     if (ButtonHitTest(x, y, &btn) && !(btn->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2089     {
2090         if (m_buttons.Index(*btn) != wxNOT_FOUND)
2091             return false;
2092     }
2093
2094     size_t i, page_count = m_pages.GetCount();
2095
2096     for (i = m_tab_offset; i < page_count; ++i)
2097     {
2098         wxAuiNotebookPage& page = m_pages.Item(i);
2099         if (page.rect.Contains(x,y))
2100         {
2101             if (hit)
2102                 *hit = page.window;
2103             return true;
2104         }
2105     }
2106
2107     return false;
2108 }
2109
2110 // ButtonHitTest() tests if a button was hit. The function returns
2111 // true if a button was hit, otherwise false
2112 bool wxAuiTabContainer::ButtonHitTest(int x, int y,
2113                                       wxAuiTabContainerButton** hit) const
2114 {
2115     if (!m_rect.Contains(x,y))
2116         return false;
2117
2118     size_t i, button_count;
2119
2120
2121     button_count = m_buttons.GetCount();
2122     for (i = 0; i < button_count; ++i)
2123     {
2124         wxAuiTabContainerButton& button = m_buttons.Item(i);
2125         if (button.rect.Contains(x,y) &&
2126             !(button.cur_state & wxAUI_BUTTON_STATE_HIDDEN ))
2127         {
2128             if (hit)
2129                 *hit = &button;
2130             return true;
2131         }
2132     }
2133
2134     button_count = m_tab_close_buttons.GetCount();
2135     for (i = 0; i < button_count; ++i)
2136     {
2137         wxAuiTabContainerButton& button = m_tab_close_buttons.Item(i);
2138         if (button.rect.Contains(x,y) &&
2139             !(button.cur_state & (wxAUI_BUTTON_STATE_HIDDEN |
2140                                    wxAUI_BUTTON_STATE_DISABLED)))
2141         {
2142             if (hit)
2143                 *hit = &button;
2144             return true;
2145         }
2146     }
2147
2148     return false;
2149 }
2150
2151
2152
2153 // the utility function ShowWnd() is the same as show,
2154 // except it handles wxAuiMDIChildFrame windows as well,
2155 // as the Show() method on this class is "unplugged"
2156 static void ShowWnd(wxWindow* wnd, bool show)
2157 {
2158 #if wxUSE_MDI
2159     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2160     {
2161         wxAuiMDIChildFrame* cf = (wxAuiMDIChildFrame*)wnd;
2162         cf->DoShow(show);
2163     }
2164     else
2165 #endif
2166     {
2167         wnd->Show(show);
2168     }
2169 }
2170
2171
2172 // DoShowHide() this function shows the active window, then
2173 // hides all of the other windows (in that order)
2174 void wxAuiTabContainer::DoShowHide()
2175 {
2176     wxAuiNotebookPageArray& pages = GetPages();
2177     size_t i, page_count = pages.GetCount();
2178
2179     // show new active page first
2180     for (i = 0; i < page_count; ++i)
2181     {
2182         wxAuiNotebookPage& page = pages.Item(i);
2183         if (page.active)
2184         {
2185             ShowWnd(page.window, true);
2186             break;
2187         }
2188     }
2189
2190     // hide all other pages
2191     for (i = 0; i < page_count; ++i)
2192     {
2193         wxAuiNotebookPage& page = pages.Item(i);
2194         if (!page.active)
2195             ShowWnd(page.window, false);
2196     }
2197 }
2198
2199
2200
2201
2202
2203
2204 // -- wxAuiTabCtrl class implementation --
2205
2206
2207
2208 BEGIN_EVENT_TABLE(wxAuiTabCtrl, wxControl)
2209     EVT_PAINT(wxAuiTabCtrl::OnPaint)
2210     EVT_ERASE_BACKGROUND(wxAuiTabCtrl::OnEraseBackground)
2211     EVT_SIZE(wxAuiTabCtrl::OnSize)
2212     EVT_LEFT_DOWN(wxAuiTabCtrl::OnLeftDown)
2213     EVT_LEFT_DCLICK(wxAuiTabCtrl::OnLeftDClick)
2214     EVT_LEFT_UP(wxAuiTabCtrl::OnLeftUp)
2215     EVT_MIDDLE_DOWN(wxAuiTabCtrl::OnMiddleDown)
2216     EVT_MIDDLE_UP(wxAuiTabCtrl::OnMiddleUp)
2217     EVT_RIGHT_DOWN(wxAuiTabCtrl::OnRightDown)
2218     EVT_RIGHT_UP(wxAuiTabCtrl::OnRightUp)
2219     EVT_MOTION(wxAuiTabCtrl::OnMotion)
2220     EVT_LEAVE_WINDOW(wxAuiTabCtrl::OnLeaveWindow)
2221     EVT_AUINOTEBOOK_BUTTON(wxID_ANY, wxAuiTabCtrl::OnButton)
2222     EVT_SET_FOCUS(wxAuiTabCtrl::OnSetFocus)
2223     EVT_KILL_FOCUS(wxAuiTabCtrl::OnKillFocus)
2224     EVT_CHAR(wxAuiTabCtrl::OnChar)
2225     EVT_MOUSE_CAPTURE_LOST(wxAuiTabCtrl::OnCaptureLost)
2226 END_EVENT_TABLE()
2227
2228
2229 wxAuiTabCtrl::wxAuiTabCtrl(wxWindow* parent,
2230                            wxWindowID id,
2231                            const wxPoint& pos,
2232                            const wxSize& size,
2233                            long style) : wxControl(parent, id, pos, size, style)
2234 {
2235     SetName(wxT("wxAuiTabCtrl"));
2236     m_click_pt = wxDefaultPosition;
2237     m_is_dragging = false;
2238     m_hover_button = NULL;
2239     m_pressed_button = NULL;
2240 }
2241
2242 wxAuiTabCtrl::~wxAuiTabCtrl()
2243 {
2244 }
2245
2246 void wxAuiTabCtrl::OnPaint(wxPaintEvent&)
2247 {
2248     wxPaintDC dc(this);
2249
2250     dc.SetFont(GetFont());
2251
2252     if (GetPageCount() > 0)
2253         Render(&dc, this);
2254 }
2255
2256 void wxAuiTabCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(evt))
2257 {
2258 }
2259
2260 void wxAuiTabCtrl::OnSize(wxSizeEvent& evt)
2261 {
2262     wxSize s = evt.GetSize();
2263     wxRect r(0, 0, s.GetWidth(), s.GetHeight());
2264     SetRect(r);
2265 }
2266
2267 void wxAuiTabCtrl::OnLeftDown(wxMouseEvent& evt)
2268 {
2269     CaptureMouse();
2270     m_click_pt = wxDefaultPosition;
2271     m_is_dragging = false;
2272     m_click_tab = NULL;
2273     m_pressed_button = NULL;
2274
2275
2276     wxWindow* wnd;
2277     if (TabHitTest(evt.m_x, evt.m_y, &wnd))
2278     {
2279         int new_selection = GetIdxFromWindow(wnd);
2280
2281         // wxAuiNotebooks always want to receive this event
2282         // even if the tab is already active, because they may
2283         // have multiple tab controls
2284         if (new_selection != GetActivePage() ||
2285             GetParent()->IsKindOf(CLASSINFO(wxAuiNotebook)))
2286         {
2287             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2288             e.SetSelection(new_selection);
2289             e.SetOldSelection(GetActivePage());
2290             e.SetEventObject(this);
2291             GetEventHandler()->ProcessEvent(e);
2292         }
2293
2294         m_click_pt.x = evt.m_x;
2295         m_click_pt.y = evt.m_y;
2296         m_click_tab = wnd;
2297     }
2298
2299     if (m_hover_button)
2300     {
2301         m_pressed_button = m_hover_button;
2302         m_pressed_button->cur_state = wxAUI_BUTTON_STATE_PRESSED;
2303         Refresh();
2304         Update();
2305     }
2306 }
2307
2308 void wxAuiTabCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
2309 {
2310     if (m_is_dragging)
2311     {
2312         m_is_dragging = false;
2313
2314         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG, m_windowId);
2315         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2316         evt.SetOldSelection(evt.GetSelection());
2317         evt.SetEventObject(this);
2318         GetEventHandler()->ProcessEvent(evt);
2319     }
2320 }
2321
2322 void wxAuiTabCtrl::OnLeftUp(wxMouseEvent& evt)
2323 {
2324     if (GetCapture() == this)
2325         ReleaseMouse();
2326
2327     if (m_is_dragging)
2328     {
2329         m_is_dragging = false;
2330
2331         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_END_DRAG, m_windowId);
2332         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2333         evt.SetOldSelection(evt.GetSelection());
2334         evt.SetEventObject(this);
2335         GetEventHandler()->ProcessEvent(evt);
2336
2337         return;
2338     }
2339
2340     if (m_pressed_button)
2341     {
2342         // make sure we're still clicking the button
2343         wxAuiTabContainerButton* button = NULL;
2344         if (!ButtonHitTest(evt.m_x, evt.m_y, &button) ||
2345             button->cur_state & wxAUI_BUTTON_STATE_DISABLED)
2346             return;
2347
2348         if (button != m_pressed_button)
2349         {
2350             m_pressed_button = NULL;
2351             return;
2352         }
2353
2354         Refresh();
2355         Update();
2356
2357         if (!(m_pressed_button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2358         {
2359             wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BUTTON, m_windowId);
2360             evt.SetSelection(GetIdxFromWindow(m_click_tab));
2361             evt.SetInt(m_pressed_button->id);
2362             evt.SetEventObject(this);
2363             GetEventHandler()->ProcessEvent(evt);
2364         }
2365
2366         m_pressed_button = NULL;
2367     }
2368
2369     m_click_pt = wxDefaultPosition;
2370     m_is_dragging = false;
2371     m_click_tab = NULL;
2372 }
2373
2374 void wxAuiTabCtrl::OnMiddleUp(wxMouseEvent& evt)
2375 {
2376     wxWindow* wnd = NULL;
2377     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2378         return;
2379
2380     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
2381     e.SetEventObject(this);
2382     e.SetSelection(GetIdxFromWindow(wnd));
2383     GetEventHandler()->ProcessEvent(e);
2384 }
2385
2386 void wxAuiTabCtrl::OnMiddleDown(wxMouseEvent& evt)
2387 {
2388     wxWindow* wnd = NULL;
2389     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2390         return;
2391
2392     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
2393     e.SetEventObject(this);
2394     e.SetSelection(GetIdxFromWindow(wnd));
2395     GetEventHandler()->ProcessEvent(e);
2396 }
2397
2398 void wxAuiTabCtrl::OnRightUp(wxMouseEvent& evt)
2399 {
2400     wxWindow* wnd = NULL;
2401     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2402         return;
2403
2404     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
2405     e.SetEventObject(this);
2406     e.SetSelection(GetIdxFromWindow(wnd));
2407     GetEventHandler()->ProcessEvent(e);
2408 }
2409
2410 void wxAuiTabCtrl::OnRightDown(wxMouseEvent& evt)
2411 {
2412     wxWindow* wnd = NULL;
2413     if (!TabHitTest(evt.m_x, evt.m_y, &wnd))
2414         return;
2415
2416     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
2417     e.SetEventObject(this);
2418     e.SetSelection(GetIdxFromWindow(wnd));
2419     GetEventHandler()->ProcessEvent(e);
2420 }
2421
2422 void wxAuiTabCtrl::OnLeftDClick(wxMouseEvent& evt)
2423 {
2424     wxWindow* wnd;
2425     wxAuiTabContainerButton* button;
2426     if (!TabHitTest(evt.m_x, evt.m_y, &wnd) && !ButtonHitTest(evt.m_x, evt.m_y, &button))
2427     {
2428         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
2429         e.SetEventObject(this);
2430         GetEventHandler()->ProcessEvent(e);
2431     }
2432 }
2433
2434 void wxAuiTabCtrl::OnMotion(wxMouseEvent& evt)
2435 {
2436     wxPoint pos = evt.GetPosition();
2437
2438     // check if the mouse is hovering above a button
2439     wxAuiTabContainerButton* button;
2440     if (ButtonHitTest(pos.x, pos.y, &button) && !(button->cur_state & wxAUI_BUTTON_STATE_DISABLED))
2441     {
2442         if (m_hover_button && button != m_hover_button)
2443         {
2444             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2445             m_hover_button = NULL;
2446             Refresh();
2447             Update();
2448         }
2449
2450         if (button->cur_state != wxAUI_BUTTON_STATE_HOVER)
2451         {
2452             button->cur_state = wxAUI_BUTTON_STATE_HOVER;
2453             Refresh();
2454             Update();
2455             m_hover_button = button;
2456             return;
2457         }
2458     }
2459     else
2460     {
2461         if (m_hover_button)
2462         {
2463             m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2464             m_hover_button = NULL;
2465             Refresh();
2466             Update();
2467         }
2468     }
2469
2470
2471     if (!evt.LeftIsDown() || m_click_pt == wxDefaultPosition)
2472         return;
2473
2474     if (m_is_dragging)
2475     {
2476         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION, m_windowId);
2477         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2478         evt.SetOldSelection(evt.GetSelection());
2479         evt.SetEventObject(this);
2480         GetEventHandler()->ProcessEvent(evt);
2481         return;
2482     }
2483
2484
2485     int drag_x_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_X);
2486     int drag_y_threshold = wxSystemSettings::GetMetric(wxSYS_DRAG_Y);
2487
2488     if (abs(pos.x - m_click_pt.x) > drag_x_threshold ||
2489         abs(pos.y - m_click_pt.y) > drag_y_threshold)
2490     {
2491         wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG, m_windowId);
2492         evt.SetSelection(GetIdxFromWindow(m_click_tab));
2493         evt.SetOldSelection(evt.GetSelection());
2494         evt.SetEventObject(this);
2495         GetEventHandler()->ProcessEvent(evt);
2496
2497         m_is_dragging = true;
2498     }
2499 }
2500
2501 void wxAuiTabCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event))
2502 {
2503     if (m_hover_button)
2504     {
2505         m_hover_button->cur_state = wxAUI_BUTTON_STATE_NORMAL;
2506         m_hover_button = NULL;
2507         Refresh();
2508         Update();
2509     }
2510 }
2511
2512 void wxAuiTabCtrl::OnButton(wxAuiNotebookEvent& event)
2513 {
2514     int button = event.GetInt();
2515
2516     if (button == wxAUI_BUTTON_LEFT || button == wxAUI_BUTTON_RIGHT)
2517     {
2518         if (button == wxAUI_BUTTON_LEFT)
2519         {
2520             if (GetTabOffset() > 0)
2521             {
2522                 SetTabOffset(GetTabOffset()-1);
2523                 Refresh();
2524                 Update();
2525             }
2526         }
2527         else
2528         {
2529             SetTabOffset(GetTabOffset()+1);
2530             Refresh();
2531             Update();
2532         }
2533     }
2534     else if (button == wxAUI_BUTTON_WINDOWLIST)
2535     {
2536         int idx = GetArtProvider()->ShowDropDown(this, m_pages, GetActivePage());
2537
2538         if (idx != -1)
2539         {
2540             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2541             e.SetSelection(idx);
2542             e.SetOldSelection(GetActivePage());
2543             e.SetEventObject(this);
2544             GetEventHandler()->ProcessEvent(e);
2545         }
2546     }
2547     else
2548     {
2549         event.Skip();
2550     }
2551 }
2552
2553 void wxAuiTabCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
2554 {
2555     Refresh();
2556 }
2557
2558 void wxAuiTabCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
2559 {
2560     Refresh();
2561 }
2562
2563 void wxAuiTabCtrl::OnChar(wxKeyEvent& event)
2564 {
2565     if (GetActivePage() == -1)
2566     {
2567         event.Skip();
2568         return;
2569     }
2570
2571     // We can't leave tab processing to the system; on Windows, tabs and keys
2572     // get eaten by the system and not processed properly if we specify both
2573     // wxTAB_TRAVERSAL and wxWANTS_CHARS. And if we specify just wxTAB_TRAVERSAL,
2574     // we don't key arrow key events.
2575
2576     int key = event.GetKeyCode();
2577
2578     if (key == WXK_NUMPAD_PAGEUP)
2579         key = WXK_PAGEUP;
2580     if (key == WXK_NUMPAD_PAGEDOWN)
2581         key = WXK_PAGEDOWN;
2582     if (key == WXK_NUMPAD_HOME)
2583         key = WXK_HOME;
2584     if (key == WXK_NUMPAD_END)
2585         key = WXK_END;
2586     if (key == WXK_NUMPAD_LEFT)
2587         key = WXK_LEFT;
2588     if (key == WXK_NUMPAD_RIGHT)
2589         key = WXK_RIGHT;
2590
2591     if (key == WXK_TAB || key == WXK_PAGEUP || key == WXK_PAGEDOWN)
2592     {
2593         bool bCtrlDown = event.ControlDown();
2594         bool bShiftDown = event.ShiftDown();
2595
2596         bool bForward = (key == WXK_TAB && !bShiftDown) || (key == WXK_PAGEDOWN);
2597         bool bWindowChange = (key == WXK_PAGEUP) || (key == WXK_PAGEDOWN) || bCtrlDown;
2598         bool bFromTab = (key == WXK_TAB);
2599
2600         wxAuiNotebook* nb = wxDynamicCast(GetParent(), wxAuiNotebook);
2601         if (!nb)
2602         {
2603             event.Skip();
2604             return;
2605         }
2606
2607         wxNavigationKeyEvent keyEvent;
2608         keyEvent.SetDirection(bForward);
2609         keyEvent.SetWindowChange(bWindowChange);
2610         keyEvent.SetFromTab(bFromTab);
2611         keyEvent.SetEventObject(nb);
2612
2613         if (!nb->GetEventHandler()->ProcessEvent(keyEvent))
2614         {
2615             // Not processed? Do an explicit tab into the page.
2616             wxWindow* win = GetWindowFromIdx(GetActivePage());
2617             if (win)
2618                 win->SetFocus();
2619         }
2620         return;
2621     }
2622
2623     if (m_pages.GetCount() < 2)
2624     {
2625         event.Skip();
2626         return;
2627     }
2628
2629     int newPage = -1;
2630
2631     int forwardKey, backwardKey;
2632     if (GetLayoutDirection() == wxLayout_RightToLeft)
2633     {
2634         forwardKey = WXK_LEFT;
2635         backwardKey = WXK_RIGHT;
2636     }
2637     else
2638      {
2639         forwardKey = WXK_RIGHT;
2640         backwardKey = WXK_LEFT;
2641     }
2642
2643     if (key == forwardKey)
2644     {
2645         if (m_pages.GetCount() > 1)
2646         {
2647             if (GetActivePage() == -1)
2648                 newPage = 0;
2649             else if (GetActivePage() < (int) (m_pages.GetCount() - 1))
2650                 newPage = GetActivePage() + 1;
2651         }
2652     }
2653     else if (key == backwardKey)
2654     {
2655         if (m_pages.GetCount() > 1)
2656         {
2657             if (GetActivePage() == -1)
2658                 newPage = (int) (m_pages.GetCount() - 1);
2659             else if (GetActivePage() > 0)
2660                 newPage = GetActivePage() - 1;
2661         }
2662     }
2663     else if (key == WXK_HOME)
2664     {
2665         newPage = 0;
2666     }
2667     else if (key == WXK_END)
2668     {
2669         newPage = (int) (m_pages.GetCount() - 1);
2670     }
2671     else
2672         event.Skip();
2673
2674     if (newPage != -1)
2675     {
2676         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
2677         e.SetSelection(newPage);
2678         e.SetOldSelection(newPage);
2679         e.SetEventObject(this);
2680         this->GetEventHandler()->ProcessEvent(e);
2681     }
2682     else
2683         event.Skip();
2684 }
2685
2686 // wxTabFrame is an interesting case.  It's important that all child pages
2687 // of the multi-notebook control are all actually children of that control
2688 // (and not grandchildren).  wxTabFrame facilitates this.  There is one
2689 // instance of wxTabFrame for each tab control inside the multi-notebook.
2690 // It's important to know that wxTabFrame is not a real window, but it merely
2691 // used to capture the dimensions/positioning of the internal tab control and
2692 // it's managed page windows
2693
2694 class wxTabFrame : public wxWindow
2695 {
2696 public:
2697
2698     wxTabFrame()
2699     {
2700         m_tabs = NULL;
2701         m_rect = wxRect(0,0,200,200);
2702         m_tab_ctrl_height = 20;
2703     }
2704
2705     ~wxTabFrame()
2706     {
2707         wxDELETE(m_tabs);
2708     }
2709
2710     void SetTabCtrlHeight(int h)
2711     {
2712         m_tab_ctrl_height = h;
2713     }
2714
2715 protected:
2716     void DoSetSize(int x, int y,
2717                    int width, int height,
2718                    int WXUNUSED(sizeFlags = wxSIZE_AUTO))
2719     {
2720         m_rect = wxRect(x, y, width, height);
2721         DoSizing();
2722     }
2723
2724     void DoGetClientSize(int* x, int* y) const
2725     {
2726         *x = m_rect.width;
2727         *y = m_rect.height;
2728     }
2729
2730 public:
2731     bool Show( bool WXUNUSED(show = true) ) { return false; }
2732
2733     void DoSizing()
2734     {
2735         if (!m_tabs)
2736             return;
2737
2738         if (m_tabs->IsFrozen() || m_tabs->GetParent()->IsFrozen())
2739             return;
2740
2741         m_tab_rect = wxRect(m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2742         if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
2743         {
2744             m_tab_rect = wxRect (m_rect.x, m_rect.y + m_rect.height - m_tab_ctrl_height, m_rect.width, m_tab_ctrl_height);
2745             m_tabs->SetSize     (m_rect.x, m_rect.y + m_rect.height - m_tab_ctrl_height, m_rect.width, m_tab_ctrl_height);
2746             m_tabs->SetRect     (wxRect(0, 0, m_rect.width, m_tab_ctrl_height));
2747         }
2748         else //TODO: if (GetFlags() & wxAUI_NB_TOP)
2749         {
2750             m_tab_rect = wxRect (m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2751             m_tabs->SetSize     (m_rect.x, m_rect.y, m_rect.width, m_tab_ctrl_height);
2752             m_tabs->SetRect     (wxRect(0, 0,        m_rect.width, m_tab_ctrl_height));
2753         }
2754         // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
2755         // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
2756
2757         m_tabs->Refresh();
2758         m_tabs->Update();
2759
2760         wxAuiNotebookPageArray& pages = m_tabs->GetPages();
2761         size_t i, page_count = pages.GetCount();
2762
2763         for (i = 0; i < page_count; ++i)
2764         {
2765             int height = m_rect.height - m_tab_ctrl_height;
2766             if ( height < 0 )
2767             {
2768                 // avoid passing negative height to wxWindow::SetSize(), this
2769                 // results in assert failures/GTK+ warnings
2770                 height = 0;
2771             }
2772
2773             wxAuiNotebookPage& page = pages.Item(i);
2774             if (m_tabs->GetFlags() & wxAUI_NB_BOTTOM)
2775             {
2776                 page.window->SetSize(m_rect.x, m_rect.y, m_rect.width, height);
2777             }
2778             else //TODO: if (GetFlags() & wxAUI_NB_TOP)
2779             {
2780                 page.window->SetSize(m_rect.x, m_rect.y + m_tab_ctrl_height,
2781                                      m_rect.width, height);
2782             }
2783             // TODO: else if (GetFlags() & wxAUI_NB_LEFT){}
2784             // TODO: else if (GetFlags() & wxAUI_NB_RIGHT){}
2785
2786 #if wxUSE_MDI
2787             if (page.window->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
2788             {
2789                 wxAuiMDIChildFrame* wnd = (wxAuiMDIChildFrame*)page.window;
2790                 wnd->ApplyMDIChildFrameRect();
2791             }
2792 #endif
2793         }
2794     }
2795
2796 protected:
2797     void DoGetSize(int* x, int* y) const
2798     {
2799         if (x)
2800             *x = m_rect.GetWidth();
2801         if (y)
2802             *y = m_rect.GetHeight();
2803     }
2804
2805 public:
2806     void Update()
2807     {
2808         // does nothing
2809     }
2810
2811     wxRect m_rect;
2812     wxRect m_tab_rect;
2813     wxAuiTabCtrl* m_tabs;
2814     int m_tab_ctrl_height;
2815 };
2816
2817
2818 const int wxAuiBaseTabCtrlId = 5380;
2819
2820
2821 // -- wxAuiNotebook class implementation --
2822
2823 #define EVT_AUI_RANGE(id1, id2, event, func) \
2824     wx__DECLARE_EVT2(event, id1, id2, wxAuiNotebookEventHandler(func))
2825
2826 BEGIN_EVENT_TABLE(wxAuiNotebook, wxControl)
2827     EVT_SIZE(wxAuiNotebook::OnSize)
2828     EVT_CHILD_FOCUS(wxAuiNotebook::OnChildFocusNotebook)
2829     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2830                       wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING,
2831                       wxAuiNotebook::OnTabClicked)
2832     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2833                       wxEVT_COMMAND_AUINOTEBOOK_BEGIN_DRAG,
2834                       wxAuiNotebook::OnTabBeginDrag)
2835     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2836                       wxEVT_COMMAND_AUINOTEBOOK_END_DRAG,
2837                       wxAuiNotebook::OnTabEndDrag)
2838     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2839                       wxEVT_COMMAND_AUINOTEBOOK_CANCEL_DRAG,
2840                       wxAuiNotebook::OnTabCancelDrag)
2841     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2842                       wxEVT_COMMAND_AUINOTEBOOK_DRAG_MOTION,
2843                       wxAuiNotebook::OnTabDragMotion)
2844     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2845                       wxEVT_COMMAND_AUINOTEBOOK_BUTTON,
2846                       wxAuiNotebook::OnTabButton)
2847     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2848                       wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN,
2849                       wxAuiNotebook::OnTabMiddleDown)
2850     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2851                       wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP,
2852                       wxAuiNotebook::OnTabMiddleUp)
2853     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2854                       wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN,
2855                       wxAuiNotebook::OnTabRightDown)
2856     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2857                       wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP,
2858                       wxAuiNotebook::OnTabRightUp)
2859     EVT_AUI_RANGE(wxAuiBaseTabCtrlId, wxAuiBaseTabCtrlId+500,
2860                       wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK,
2861                       wxAuiNotebook::OnTabBgDClick)
2862     EVT_NAVIGATION_KEY(wxAuiNotebook::OnNavigationKeyNotebook)
2863
2864 #ifdef wxHAS_NATIVE_TAB_TRAVERSAL
2865     WX_EVENT_TABLE_CONTROL_CONTAINER(wxAuiNotebook)
2866 #else
2867     // Avoid clash with container event handler functions
2868     EVT_SET_FOCUS(wxAuiNotebook::OnFocus)
2869 #endif
2870 END_EVENT_TABLE()
2871
2872 WX_DELEGATE_TO_CONTROL_CONTAINER(wxAuiNotebook, wxControl)
2873
2874 wxAuiNotebook::wxAuiNotebook()
2875 {
2876     m_curpage = -1;
2877     m_tab_id_counter = wxAuiBaseTabCtrlId;
2878     m_dummy_wnd = NULL;
2879     m_tab_ctrl_height = 20;
2880     m_requested_bmp_size = wxDefaultSize;
2881     m_requested_tabctrl_height = -1;
2882 }
2883
2884 wxAuiNotebook::wxAuiNotebook(wxWindow *parent,
2885                              wxWindowID id,
2886                              const wxPoint& pos,
2887                              const wxSize& size,
2888                              long style) : wxControl(parent, id, pos, size, style)
2889 {
2890     m_dummy_wnd = NULL;
2891     m_requested_bmp_size = wxDefaultSize;
2892     m_requested_tabctrl_height = -1;
2893     InitNotebook(style);
2894 }
2895
2896 bool wxAuiNotebook::Create(wxWindow* parent,
2897                            wxWindowID id,
2898                            const wxPoint& pos,
2899                            const wxSize& size,
2900                            long style)
2901 {
2902     if (!wxControl::Create(parent, id, pos, size, style))
2903         return false;
2904
2905     InitNotebook(style);
2906
2907     return true;
2908 }
2909
2910 // InitNotebook() contains common initialization
2911 // code called by all constructors
2912 void wxAuiNotebook::InitNotebook(long style)
2913 {
2914     WX_INIT_CONTROL_CONTAINER();
2915     // SetCanFocus(false);
2916
2917     SetName(wxT("wxAuiNotebook"));
2918     m_curpage = -1;
2919     m_tab_id_counter = wxAuiBaseTabCtrlId;
2920     m_dummy_wnd = NULL;
2921     m_flags = (unsigned int)style;
2922     m_tab_ctrl_height = 20;
2923
2924     m_normal_font = *wxNORMAL_FONT;
2925     m_selected_font = *wxNORMAL_FONT;
2926     m_selected_font.SetWeight(wxBOLD);
2927
2928     SetArtProvider(new wxAuiDefaultTabArt);
2929
2930     m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
2931     m_dummy_wnd->SetSize(200, 200);
2932     m_dummy_wnd->Show(false);
2933
2934     m_mgr.SetManagedWindow(this);
2935     m_mgr.SetFlags(wxAUI_MGR_DEFAULT);
2936     m_mgr.SetDockSizeConstraint(1.0, 1.0); // no dock size constraint
2937
2938     m_mgr.AddPane(m_dummy_wnd,
2939               wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
2940
2941     m_mgr.Update();
2942 }
2943
2944 wxAuiNotebook::~wxAuiNotebook()
2945 {
2946     // Indicate we're deleting pages
2947     SendDestroyEvent();
2948
2949     while ( GetPageCount() > 0 )
2950         DeletePage(0);
2951
2952     m_mgr.UnInit();
2953 }
2954
2955 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
2956 {
2957     m_tabs.SetArtProvider(art);
2958
2959     // Update the height and do nothing else if it did something but otherwise
2960     // (i.e. if the new art provider uses the same height as the old one) we
2961     // need to manually set the art provider for all tabs ourselves.
2962     if ( !UpdateTabCtrlHeight() )
2963     {
2964         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2965         const size_t pane_count = all_panes.GetCount();
2966         for (size_t i = 0; i < pane_count; ++i)
2967         {
2968             wxAuiPaneInfo& pane = all_panes.Item(i);
2969             if (pane.name == wxT("dummy"))
2970                 continue;
2971             wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2972             wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2973             tabctrl->SetArtProvider(art->Clone());
2974         }
2975     }
2976 }
2977
2978 // SetTabCtrlHeight() is the highest-level override of the
2979 // tab height.  A call to this function effectively enforces a
2980 // specified tab ctrl height, overriding all other considerations,
2981 // such as text or bitmap height.  It overrides any call to
2982 // SetUniformBitmapSize().  Specifying a height of -1 reverts
2983 // any previous call and returns to the default behaviour
2984
2985 void wxAuiNotebook::SetTabCtrlHeight(int height)
2986 {
2987     m_requested_tabctrl_height = height;
2988
2989     // if window is already initialized, recalculate the tab height
2990     if (m_dummy_wnd)
2991     {
2992         UpdateTabCtrlHeight();
2993     }
2994 }
2995
2996
2997 // SetUniformBitmapSize() ensures that all tabs will have
2998 // the same height, even if some tabs don't have bitmaps
2999 // Passing wxDefaultSize to this function will instruct
3000 // the control to use dynamic tab height-- so when a tab
3001 // with a large bitmap is added, the tab ctrl's height will
3002 // automatically increase to accommodate the bitmap
3003
3004 void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
3005 {
3006     m_requested_bmp_size = size;
3007
3008     // if window is already initialized, recalculate the tab height
3009     if (m_dummy_wnd)
3010     {
3011         UpdateTabCtrlHeight();
3012     }
3013 }
3014
3015 // UpdateTabCtrlHeight() does the actual tab resizing. It's meant
3016 // to be used internally
3017 bool wxAuiNotebook::UpdateTabCtrlHeight()
3018 {
3019     // get the tab ctrl height we will use
3020     int height = CalculateTabCtrlHeight();
3021
3022     // if the tab control height needs to change, update
3023     // all of our tab controls with the new height
3024     if (m_tab_ctrl_height == height)
3025         return false;
3026
3027     wxAuiTabArt* art = m_tabs.GetArtProvider();
3028
3029     m_tab_ctrl_height = height;
3030
3031     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3032     size_t i, pane_count = all_panes.GetCount();
3033     for (i = 0; i < pane_count; ++i)
3034     {
3035         wxAuiPaneInfo& pane = all_panes.Item(i);
3036         if (pane.name == wxT("dummy"))
3037             continue;
3038         wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
3039         wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
3040         tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
3041         tabctrl->SetArtProvider(art->Clone());
3042         tab_frame->DoSizing();
3043     }
3044
3045     return true;
3046 }
3047
3048 void wxAuiNotebook::UpdateHintWindowSize()
3049 {
3050     wxSize size = CalculateNewSplitSize();
3051
3052     // the placeholder hint window should be set to this size
3053     wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
3054     if (info.IsOk())
3055     {
3056         info.MinSize(size);
3057         info.BestSize(size);
3058         m_dummy_wnd->SetSize(size);
3059     }
3060 }
3061
3062
3063 // calculates the size of the new split
3064 wxSize wxAuiNotebook::CalculateNewSplitSize()
3065 {
3066     // count number of tab controls
3067     int tab_ctrl_count = 0;
3068     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3069     size_t i, pane_count = all_panes.GetCount();
3070     for (i = 0; i < pane_count; ++i)
3071     {
3072         wxAuiPaneInfo& pane = all_panes.Item(i);
3073         if (pane.name == wxT("dummy"))
3074             continue;
3075         tab_ctrl_count++;
3076     }
3077
3078     wxSize new_split_size;
3079
3080     // if there is only one tab control, the first split
3081     // should happen around the middle
3082     if (tab_ctrl_count < 2)
3083     {
3084         new_split_size = GetClientSize();
3085         new_split_size.x /= 2;
3086         new_split_size.y /= 2;
3087     }
3088     else
3089     {
3090         // this is in place of a more complicated calculation
3091         // that needs to be implemented
3092         new_split_size = wxSize(180,180);
3093     }
3094
3095     return new_split_size;
3096 }
3097
3098 int wxAuiNotebook::CalculateTabCtrlHeight()
3099 {
3100     // if a fixed tab ctrl height is specified,
3101     // just return that instead of calculating a
3102     // tab height
3103     if (m_requested_tabctrl_height != -1)
3104         return m_requested_tabctrl_height;
3105
3106     // find out new best tab height
3107     wxAuiTabArt* art = m_tabs.GetArtProvider();
3108
3109     return art->GetBestTabCtrlSize(this,
3110                                    m_tabs.GetPages(),
3111                                    m_requested_bmp_size);
3112 }
3113
3114
3115 wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
3116 {
3117     return m_tabs.GetArtProvider();
3118 }
3119
3120 void wxAuiNotebook::SetWindowStyleFlag(long style)
3121 {
3122     wxControl::SetWindowStyleFlag(style);
3123
3124     m_flags = (unsigned int)style;
3125
3126     // if the control is already initialized
3127     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
3128     {
3129         // let all of the tab children know about the new style
3130
3131         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3132         size_t i, pane_count = all_panes.GetCount();
3133         for (i = 0; i < pane_count; ++i)
3134         {
3135             wxAuiPaneInfo& pane = all_panes.Item(i);
3136             if (pane.name == wxT("dummy"))
3137                 continue;
3138             wxTabFrame* tabframe = (wxTabFrame*)pane.window;
3139             wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
3140             tabctrl->SetFlags(m_flags);
3141             tabframe->DoSizing();
3142             tabctrl->Refresh();
3143             tabctrl->Update();
3144         }
3145     }
3146 }
3147
3148
3149 bool wxAuiNotebook::AddPage(wxWindow* page,
3150                             const wxString& caption,
3151                             bool select,
3152                             const wxBitmap& bitmap)
3153 {
3154     return InsertPage(GetPageCount(), page, caption, select, bitmap);
3155 }
3156
3157 bool wxAuiNotebook::InsertPage(size_t page_idx,
3158                                wxWindow* page,
3159                                const wxString& caption,
3160                                bool select,
3161                                const wxBitmap& bitmap)
3162 {
3163     wxASSERT_MSG(page, wxT("page pointer must be non-NULL"));
3164     if (!page)
3165         return false;
3166
3167     page->Reparent(this);
3168
3169     wxAuiNotebookPage info;
3170     info.window = page;
3171     info.caption = caption;
3172     info.bitmap = bitmap;
3173     info.active = false;
3174
3175     // if there are currently no tabs, the first added
3176     // tab must be active
3177     if (m_tabs.GetPageCount() == 0)
3178         info.active = true;
3179
3180     m_tabs.InsertPage(page, info, page_idx);
3181
3182     // if that was the first page added, even if
3183     // select is false, it must become the "current page"
3184     // (though no select events will be fired)
3185     if (!select && m_tabs.GetPageCount() == 1)
3186         select = true;
3187         //m_curpage = GetPageIndex(page);
3188
3189     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
3190     if (page_idx >= active_tabctrl->GetPageCount())
3191         active_tabctrl->AddPage(page, info);
3192     else
3193         active_tabctrl->InsertPage(page, info, page_idx);
3194
3195     UpdateTabCtrlHeight();
3196     DoSizing();
3197     active_tabctrl->DoShowHide();
3198
3199     // adjust selected index
3200     if(m_curpage >= (int) page_idx)
3201         m_curpage++;
3202
3203     if (select)
3204     {
3205         SetSelectionToWindow(page);
3206     }
3207
3208     return true;
3209 }
3210
3211
3212 // DeletePage() removes a tab from the multi-notebook,
3213 // and destroys the window as well
3214 bool wxAuiNotebook::DeletePage(size_t page_idx)
3215 {
3216     if (page_idx >= m_tabs.GetPageCount())
3217         return false;
3218
3219     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3220
3221     // hide the window in advance, as this will
3222     // prevent flicker
3223     ShowWnd(wnd, false);
3224
3225     if (!RemovePage(page_idx))
3226         return false;
3227
3228 #if wxUSE_MDI
3229     // actually destroy the window now
3230     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
3231     {
3232         // delete the child frame with pending delete, as is
3233         // customary with frame windows
3234         if (!wxPendingDelete.Member(wnd))
3235             wxPendingDelete.Append(wnd);
3236     }
3237     else
3238 #endif
3239     {
3240         wnd->Destroy();
3241     }
3242
3243     return true;
3244 }
3245
3246
3247
3248 // RemovePage() removes a tab from the multi-notebook,
3249 // but does not destroy the window
3250 bool wxAuiNotebook::RemovePage(size_t page_idx)
3251 {
3252     // save active window pointer
3253     wxWindow* active_wnd = NULL;
3254     if (m_curpage >= 0)
3255         active_wnd = m_tabs.GetWindowFromIdx(m_curpage);
3256
3257     // save pointer of window being deleted
3258     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3259     wxWindow* new_active = NULL;
3260
3261     // make sure we found the page
3262     if (!wnd)
3263         return false;
3264
3265     // find out which onscreen tab ctrl owns this tab
3266     wxAuiTabCtrl* ctrl;
3267     int ctrl_idx;
3268     if (!FindTab(wnd, &ctrl, &ctrl_idx))
3269         return false;
3270
3271     bool is_curpage = (m_curpage == (int)page_idx);
3272     bool is_active_in_split = ctrl->GetPage(ctrl_idx).active;
3273
3274
3275     // remove the tab from main catalog
3276     if (!m_tabs.RemovePage(wnd))
3277         return false;
3278
3279     // remove the tab from the onscreen tab ctrl
3280     ctrl->RemovePage(wnd);
3281
3282     if (is_active_in_split)
3283     {
3284         int ctrl_new_page_count = (int)ctrl->GetPageCount();
3285
3286         if (ctrl_idx >= ctrl_new_page_count)
3287             ctrl_idx = ctrl_new_page_count-1;
3288
3289         if (ctrl_idx >= 0 && ctrl_idx < (int)ctrl->GetPageCount())
3290         {
3291             // set new page as active in the tab split
3292             ctrl->SetActivePage(ctrl_idx);
3293
3294             // if the page deleted was the current page for the
3295             // entire tab control, then record the window
3296             // pointer of the new active page for activation
3297             if (is_curpage)
3298             {
3299                 new_active = ctrl->GetWindowFromIdx(ctrl_idx);
3300             }
3301         }
3302     }
3303     else
3304     {
3305         // we are not deleting the active page, so keep it the same
3306         new_active = active_wnd;
3307     }
3308
3309
3310     if (!new_active)
3311     {
3312         // we haven't yet found a new page to active,
3313         // so select the next page from the main tab
3314         // catalogue
3315
3316         if (page_idx < m_tabs.GetPageCount())
3317         {
3318             new_active = m_tabs.GetPage(page_idx).window;
3319         }
3320
3321         if (!new_active && m_tabs.GetPageCount() > 0)
3322         {
3323             new_active = m_tabs.GetPage(0).window;
3324         }
3325     }
3326
3327
3328     RemoveEmptyTabFrames();
3329
3330     m_curpage = wxNOT_FOUND;
3331
3332     // set new active pane unless we're being destroyed anyhow
3333     if (new_active && !m_isBeingDeleted)
3334         SetSelectionToWindow(new_active);
3335
3336     return true;
3337 }
3338
3339 // GetPageIndex() returns the index of the page, or -1 if the
3340 // page could not be located in the notebook
3341 int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
3342 {
3343     return m_tabs.GetIdxFromWindow(page_wnd);
3344 }
3345
3346
3347
3348 // SetPageText() changes the tab caption of the specified page
3349 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
3350 {
3351     if (page_idx >= m_tabs.GetPageCount())
3352         return false;
3353
3354     // update our own tab catalog
3355     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3356     page_info.caption = text;
3357
3358     // update what's on screen
3359     wxAuiTabCtrl* ctrl;
3360     int ctrl_idx;
3361     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3362     {
3363         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3364         info.caption = text;
3365         ctrl->Refresh();
3366         ctrl->Update();
3367     }
3368
3369     return true;
3370 }
3371
3372 // returns the page caption
3373 wxString wxAuiNotebook::GetPageText(size_t page_idx) const
3374 {
3375     if (page_idx >= m_tabs.GetPageCount())
3376         return wxEmptyString;
3377
3378     // update our own tab catalog
3379     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3380     return page_info.caption;
3381 }
3382
3383 bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
3384 {
3385     if (page_idx >= m_tabs.GetPageCount())
3386         return false;
3387
3388     // update our own tab catalog
3389     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3390     page_info.bitmap = bitmap;
3391
3392     // tab height might have changed
3393     UpdateTabCtrlHeight();
3394
3395     // update what's on screen
3396     wxAuiTabCtrl* ctrl;
3397     int ctrl_idx;
3398     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3399     {
3400         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3401         info.bitmap = bitmap;
3402         ctrl->Refresh();
3403         ctrl->Update();
3404     }
3405
3406     return true;
3407 }
3408
3409 // returns the page bitmap
3410 wxBitmap wxAuiNotebook::GetPageBitmap(size_t page_idx) const
3411 {
3412     if (page_idx >= m_tabs.GetPageCount())
3413         return wxBitmap();
3414
3415     // update our own tab catalog
3416     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3417     return page_info.bitmap;
3418 }
3419
3420 // GetSelection() returns the index of the currently active page
3421 int wxAuiNotebook::GetSelection() const
3422 {
3423     return m_curpage;
3424 }
3425
3426 // SetSelection() sets the currently active page
3427 size_t wxAuiNotebook::SetSelection(size_t new_page)
3428 {
3429     wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
3430     if (!wnd)
3431         return m_curpage;
3432
3433     // don't change the page unless necessary;
3434     // however, clicking again on a tab should give it the focus.
3435     if ((int)new_page == m_curpage)
3436     {
3437         wxAuiTabCtrl* ctrl;
3438         int ctrl_idx;
3439         if (FindTab(wnd, &ctrl, &ctrl_idx))
3440         {
3441             if (FindFocus() != ctrl)
3442                 ctrl->SetFocus();
3443         }
3444         return m_curpage;
3445     }
3446
3447     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
3448     evt.SetSelection(new_page);
3449     evt.SetOldSelection(m_curpage);
3450     evt.SetEventObject(this);
3451     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
3452     {
3453         int old_curpage = m_curpage;
3454         m_curpage = new_page;
3455
3456         // program allows the page change
3457         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
3458         (void)GetEventHandler()->ProcessEvent(evt);
3459
3460
3461         wxAuiTabCtrl* ctrl;
3462         int ctrl_idx;
3463         if (FindTab(wnd, &ctrl, &ctrl_idx))
3464         {
3465             m_tabs.SetActivePage(wnd);
3466
3467             ctrl->SetActivePage(ctrl_idx);
3468             DoSizing();
3469             ctrl->DoShowHide();
3470
3471             ctrl->MakeTabVisible(ctrl_idx, ctrl);
3472
3473             // set fonts
3474             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3475             size_t i, pane_count = all_panes.GetCount();
3476             for (i = 0; i < pane_count; ++i)
3477             {
3478                 wxAuiPaneInfo& pane = all_panes.Item(i);
3479                 if (pane.name == wxT("dummy"))
3480                     continue;
3481                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
3482                 if (tabctrl != ctrl)
3483                     tabctrl->SetSelectedFont(m_normal_font);
3484                 else
3485                     tabctrl->SetSelectedFont(m_selected_font);
3486                 tabctrl->Refresh();
3487             }
3488
3489             // Set the focus to the page if we're not currently focused on the tab.
3490             // This is Firefox-like behaviour.
3491             if (wnd->IsShownOnScreen() && FindFocus() != ctrl)
3492                 wnd->SetFocus();
3493
3494             return old_curpage;
3495         }
3496     }
3497
3498     return m_curpage;
3499 }
3500
3501 void wxAuiNotebook::SetSelectionToWindow(wxWindow *win)
3502 {
3503     const int idx = m_tabs.GetIdxFromWindow(win);
3504     wxCHECK_RET( idx != wxNOT_FOUND, wxT("invalid notebook page") );
3505
3506
3507     // since a tab was clicked, let the parent know that we received
3508     // the focus, even if we will assign that focus immediately
3509     // to the child tab in the SetSelection call below
3510     // (the child focus event will also let wxAuiManager, if any,
3511     // know that the notebook control has been activated)
3512
3513     wxWindow* parent = GetParent();
3514     if (parent)
3515     {
3516         wxChildFocusEvent eventFocus(this);
3517         parent->GetEventHandler()->ProcessEvent(eventFocus);
3518     }
3519
3520
3521     SetSelection(idx);
3522 }
3523
3524 // GetPageCount() returns the total number of
3525 // pages managed by the multi-notebook
3526 size_t wxAuiNotebook::GetPageCount() const
3527 {
3528     return m_tabs.GetPageCount();
3529 }
3530
3531 // GetPage() returns the wxWindow pointer of the
3532 // specified page
3533 wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
3534 {
3535     wxASSERT(page_idx < m_tabs.GetPageCount());
3536
3537     return m_tabs.GetWindowFromIdx(page_idx);
3538 }
3539
3540 // DoSizing() performs all sizing operations in each tab control
3541 void wxAuiNotebook::DoSizing()
3542 {
3543     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3544     size_t i, pane_count = all_panes.GetCount();
3545     for (i = 0; i < pane_count; ++i)
3546     {
3547         if (all_panes.Item(i).name == wxT("dummy"))
3548             continue;
3549
3550         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3551         tabframe->DoSizing();
3552     }
3553 }
3554
3555 // GetActiveTabCtrl() returns the active tab control.  It is
3556 // called to determine which control gets new windows being added
3557 wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
3558 {
3559     if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
3560     {
3561         wxAuiTabCtrl* ctrl;
3562         int idx;
3563
3564         // find the tab ctrl with the current page
3565         if (FindTab(m_tabs.GetPage(m_curpage).window,
3566                     &ctrl, &idx))
3567         {
3568             return ctrl;
3569         }
3570     }
3571
3572     // no current page, just find the first tab ctrl
3573     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3574     size_t i, pane_count = all_panes.GetCount();
3575     for (i = 0; i < pane_count; ++i)
3576     {
3577         if (all_panes.Item(i).name == wxT("dummy"))
3578             continue;
3579
3580         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3581         return tabframe->m_tabs;
3582     }
3583
3584     // If there is no tabframe at all, create one
3585     wxTabFrame* tabframe = new wxTabFrame;
3586     tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
3587     tabframe->m_tabs = new wxAuiTabCtrl(this,
3588                                         m_tab_id_counter++,
3589                                         wxDefaultPosition,
3590                                         wxDefaultSize,
3591                                         wxNO_BORDER|wxWANTS_CHARS);
3592     tabframe->m_tabs->SetFlags(m_flags);
3593     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3594     m_mgr.AddPane(tabframe,
3595                   wxAuiPaneInfo().Center().CaptionVisible(false));
3596
3597     m_mgr.Update();
3598
3599     return tabframe->m_tabs;
3600 }
3601
3602 // FindTab() finds the tab control that currently contains the window as well
3603 // as the index of the window in the tab control.  It returns true if the
3604 // window was found, otherwise false.
3605 bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
3606 {
3607     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3608     size_t i, pane_count = all_panes.GetCount();
3609     for (i = 0; i < pane_count; ++i)
3610     {
3611         if (all_panes.Item(i).name == wxT("dummy"))
3612             continue;
3613
3614         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3615
3616         int page_idx = tabframe->m_tabs->GetIdxFromWindow(page);
3617         if (page_idx != -1)
3618         {
3619             *ctrl = tabframe->m_tabs;
3620             *idx = page_idx;
3621             return true;
3622         }
3623     }
3624
3625     return false;
3626 }
3627
3628 void wxAuiNotebook::Split(size_t page, int direction)
3629 {
3630     wxSize cli_size = GetClientSize();
3631
3632     // get the page's window pointer
3633     wxWindow* wnd = GetPage(page);
3634     if (!wnd)
3635         return;
3636
3637     // notebooks with 1 or less pages can't be split
3638     if (GetPageCount() < 2)
3639         return;
3640
3641     // find out which tab control the page currently belongs to
3642     wxAuiTabCtrl *src_tabs, *dest_tabs;
3643     int src_idx = -1;
3644     src_tabs = NULL;
3645     if (!FindTab(wnd, &src_tabs, &src_idx))
3646         return;
3647     if (!src_tabs || src_idx == -1)
3648         return;
3649
3650     // choose a split size
3651     wxSize split_size;
3652     if (GetPageCount() > 2)
3653     {
3654         split_size = CalculateNewSplitSize();
3655     }
3656     else
3657     {
3658         // because there are two panes, always split them
3659         // equally
3660         split_size = GetClientSize();
3661         split_size.x /= 2;
3662         split_size.y /= 2;
3663     }
3664
3665
3666     // create a new tab frame
3667     wxTabFrame* new_tabs = new wxTabFrame;
3668     new_tabs->m_rect = wxRect(wxPoint(0,0), split_size);
3669     new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3670     new_tabs->m_tabs = new wxAuiTabCtrl(this,
3671                                         m_tab_id_counter++,
3672                                         wxDefaultPosition,
3673                                         wxDefaultSize,
3674                                         wxNO_BORDER|wxWANTS_CHARS);
3675     new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3676     new_tabs->m_tabs->SetFlags(m_flags);
3677     dest_tabs = new_tabs->m_tabs;
3678
3679     // create a pane info structure with the information
3680     // about where the pane should be added
3681     wxAuiPaneInfo pane_info = wxAuiPaneInfo().Bottom().CaptionVisible(false);
3682     wxPoint mouse_pt;
3683
3684     if (direction == wxLEFT)
3685     {
3686         pane_info.Left();
3687         mouse_pt = wxPoint(0, cli_size.y/2);
3688     }
3689     else if (direction == wxRIGHT)
3690     {
3691         pane_info.Right();
3692         mouse_pt = wxPoint(cli_size.x, cli_size.y/2);
3693     }
3694     else if (direction == wxTOP)
3695     {
3696         pane_info.Top();
3697         mouse_pt = wxPoint(cli_size.x/2, 0);
3698     }
3699     else if (direction == wxBOTTOM)
3700     {
3701         pane_info.Bottom();
3702         mouse_pt = wxPoint(cli_size.x/2, cli_size.y);
3703     }
3704
3705     m_mgr.AddPane(new_tabs, pane_info, mouse_pt);
3706     m_mgr.Update();
3707
3708     // remove the page from the source tabs
3709     wxAuiNotebookPage page_info = src_tabs->GetPage(src_idx);
3710     page_info.active = false;
3711     src_tabs->RemovePage(page_info.window);
3712     if (src_tabs->GetPageCount() > 0)
3713     {
3714         src_tabs->SetActivePage((size_t)0);
3715         src_tabs->DoShowHide();
3716         src_tabs->Refresh();
3717     }
3718
3719
3720     // add the page to the destination tabs
3721     dest_tabs->InsertPage(page_info.window, page_info, 0);
3722
3723     if (src_tabs->GetPageCount() == 0)
3724     {
3725         RemoveEmptyTabFrames();
3726     }
3727
3728     DoSizing();
3729     dest_tabs->DoShowHide();
3730     dest_tabs->Refresh();
3731
3732     // force the set selection function reset the selection
3733     m_curpage = -1;
3734
3735     // set the active page to the one we just split off
3736     SetSelectionToPage(page_info);
3737
3738     UpdateHintWindowSize();
3739 }
3740
3741
3742 void wxAuiNotebook::OnSize(wxSizeEvent& evt)
3743 {
3744     UpdateHintWindowSize();
3745
3746     evt.Skip();
3747 }
3748
3749 void wxAuiNotebook::OnTabClicked(wxAuiNotebookEvent& evt)
3750 {
3751     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
3752     wxASSERT(ctrl != NULL);
3753
3754     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
3755     wxASSERT(wnd != NULL);
3756
3757     SetSelectionToWindow(wnd);
3758 }
3759
3760 void wxAuiNotebook::OnTabBgDClick(wxAuiNotebookEvent& WXUNUSED(evt))
3761 {
3762     // notify owner that the tabbar background has been double-clicked
3763     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
3764     e.SetEventObject(this);
3765     GetEventHandler()->ProcessEvent(e);
3766 }
3767
3768 void wxAuiNotebook::OnTabBeginDrag(wxAuiNotebookEvent&)
3769 {
3770     m_last_drag_x = 0;
3771 }
3772
3773 void wxAuiNotebook::OnTabDragMotion(wxAuiNotebookEvent& evt)
3774 {
3775     wxPoint screen_pt = ::wxGetMousePosition();
3776     wxPoint client_pt = ScreenToClient(screen_pt);
3777     wxPoint zero(0,0);
3778
3779     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3780     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
3781
3782     if (dest_tabs == src_tabs)
3783     {
3784         if (src_tabs)
3785         {
3786             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3787         }
3788
3789         // always hide the hint for inner-tabctrl drag
3790         m_mgr.HideHint();
3791
3792         // if tab moving is not allowed, leave
3793         if (!(m_flags & wxAUI_NB_TAB_MOVE))
3794         {
3795             return;
3796         }
3797
3798         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
3799         wxWindow* dest_location_tab;
3800
3801         // this is an inner-tab drag/reposition
3802         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
3803         {
3804             int src_idx = evt.GetSelection();
3805             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
3806
3807             // prevent jumpy drag
3808             if ((src_idx == dest_idx) || dest_idx == -1 ||
3809                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
3810                 (src_idx < dest_idx && m_last_drag_x >= pt.x))
3811             {
3812                 m_last_drag_x = pt.x;
3813                 return;
3814             }
3815
3816
3817             wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
3818             dest_tabs->MovePage(src_tab, dest_idx);
3819             dest_tabs->SetActivePage((size_t)dest_idx);
3820             dest_tabs->DoShowHide();
3821             dest_tabs->Refresh();
3822             m_last_drag_x = pt.x;
3823
3824         }
3825
3826         return;
3827     }
3828
3829
3830     // if external drag is allowed, check if the tab is being dragged
3831     // over a different wxAuiNotebook control
3832     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3833     {
3834         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
3835
3836         // if we aren't over any window, stop here
3837         if (!tab_ctrl)
3838             return;
3839
3840         // make sure we are not over the hint window
3841         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
3842         {
3843             while (tab_ctrl)
3844             {
3845                 if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3846                     break;
3847                 tab_ctrl = tab_ctrl->GetParent();
3848             }
3849
3850             if (tab_ctrl)
3851             {
3852                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3853
3854                 if (nb != this)
3855                 {
3856                     wxRect hint_rect = tab_ctrl->GetClientRect();
3857                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
3858                     m_mgr.ShowHint(hint_rect);
3859                     return;
3860                 }
3861             }
3862         }
3863         else
3864         {
3865             if (!dest_tabs)
3866             {
3867                 // we are either over a hint window, or not over a tab
3868                 // window, and there is no where to drag to, so exit
3869                 return;
3870             }
3871         }
3872     }
3873
3874
3875     // if there are less than two panes, split can't happen, so leave
3876     if (m_tabs.GetPageCount() < 2)
3877         return;
3878
3879     // if tab moving is not allowed, leave
3880     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
3881         return;
3882
3883
3884     if (src_tabs)
3885     {
3886         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
3887     }
3888
3889
3890     if (dest_tabs)
3891     {
3892         wxRect hint_rect = dest_tabs->GetRect();
3893         ClientToScreen(&hint_rect.x, &hint_rect.y);
3894         m_mgr.ShowHint(hint_rect);
3895     }
3896     else
3897     {
3898         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
3899     }
3900 }
3901
3902
3903
3904 void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
3905 {
3906     m_mgr.HideHint();
3907
3908
3909     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3910     wxCHECK_RET( src_tabs, wxT("no source object?") );
3911
3912     src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3913
3914     // get the mouse position, which will be used to determine the drop point
3915     wxPoint mouse_screen_pt = ::wxGetMousePosition();
3916     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
3917
3918
3919
3920     // check for an external move
3921     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3922     {
3923         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
3924
3925         while (tab_ctrl)
3926         {
3927             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3928                 break;
3929             tab_ctrl = tab_ctrl->GetParent();
3930         }
3931
3932         if (tab_ctrl)
3933         {
3934             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3935
3936             if (nb != this)
3937             {
3938                 // find out from the destination control
3939                 // if it's ok to drop this tab here
3940                 wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
3941                 e.SetSelection(evt.GetSelection());
3942                 e.SetOldSelection(evt.GetSelection());
3943                 e.SetEventObject(this);
3944                 e.SetDragSource(this);
3945                 e.Veto(); // dropping must be explicitly approved by control owner
3946
3947                 nb->GetEventHandler()->ProcessEvent(e);
3948
3949                 if (!e.IsAllowed())
3950                 {
3951                     // no answer or negative answer
3952                     m_mgr.HideHint();
3953                     return;
3954                 }
3955
3956                 // drop was allowed
3957                 int src_idx = evt.GetSelection();
3958                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
3959
3960                 // Check that it's not an impossible parent relationship
3961                 wxWindow* p = nb;
3962                 while (p && !p->IsTopLevel())
3963                 {
3964                     if (p == src_page)
3965                     {
3966                         return;
3967                     }
3968                     p = p->GetParent();
3969                 }
3970
3971                 // get main index of the page
3972                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
3973                 wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no source page?") );
3974
3975
3976                 // make a copy of the page info
3977                 wxAuiNotebookPage page_info = m_tabs.GetPage(main_idx);
3978
3979                 // remove the page from the source notebook
3980                 RemovePage(main_idx);
3981
3982                 // reparent the page
3983                 src_page->Reparent(nb);
3984
3985
3986                 // found out the insert idx
3987                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
3988                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3989
3990                 wxWindow* target = NULL;
3991                 int insert_idx = -1;
3992                 dest_tabs->TabHitTest(pt.x, pt.y, &target);
3993                 if (target)
3994                 {
3995                     insert_idx = dest_tabs->GetIdxFromWindow(target);
3996                 }
3997
3998
3999                 // add the page to the new notebook
4000                 if (insert_idx == -1)
4001                     insert_idx = dest_tabs->GetPageCount();
4002                 dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
4003                 nb->m_tabs.AddPage(page_info.window, page_info);
4004
4005                 nb->DoSizing();
4006                 dest_tabs->DoShowHide();
4007                 dest_tabs->Refresh();
4008
4009                 // set the selection in the destination tab control
4010                 nb->SetSelectionToPage(page_info);
4011
4012                 // notify owner that the tab has been dragged
4013                 wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
4014                 e2.SetSelection(evt.GetSelection());
4015                 e2.SetOldSelection(evt.GetSelection());
4016                 e2.SetEventObject(this);
4017                 GetEventHandler()->ProcessEvent(e2);
4018
4019                 return;
4020             }
4021         }
4022     }
4023
4024
4025
4026
4027     // only perform a tab split if it's allowed
4028     wxAuiTabCtrl* dest_tabs = NULL;
4029
4030     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
4031     {
4032         // If the pointer is in an existing tab frame, do a tab insert
4033         wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
4034         wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
4035         int insert_idx = -1;
4036         if (tab_frame)
4037         {
4038             dest_tabs = tab_frame->m_tabs;
4039
4040             if (dest_tabs == src_tabs)
4041                 return;
4042
4043
4044             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
4045             wxWindow* target = NULL;
4046             dest_tabs->TabHitTest(pt.x, pt.y, &target);
4047             if (target)
4048             {
4049                 insert_idx = dest_tabs->GetIdxFromWindow(target);
4050             }
4051         }
4052         else
4053         {
4054             wxPoint zero(0,0);
4055             wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
4056                                                   mouse_client_pt,
4057                                                   zero);
4058             if (rect.IsEmpty())
4059             {
4060                 // there is no suitable drop location here, exit out
4061                 return;
4062             }
4063
4064             // If there is no tabframe at all, create one
4065             wxTabFrame* new_tabs = new wxTabFrame;
4066             new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
4067             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
4068             new_tabs->m_tabs = new wxAuiTabCtrl(this,
4069                                                 m_tab_id_counter++,
4070                                                 wxDefaultPosition,
4071                                                 wxDefaultSize,
4072                                                 wxNO_BORDER|wxWANTS_CHARS);
4073             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
4074             new_tabs->m_tabs->SetFlags(m_flags);
4075
4076             m_mgr.AddPane(new_tabs,
4077                           wxAuiPaneInfo().Bottom().CaptionVisible(false),
4078                           mouse_client_pt);
4079             m_mgr.Update();
4080             dest_tabs = new_tabs->m_tabs;
4081         }
4082
4083
4084
4085         // remove the page from the source tabs
4086         wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
4087         page_info.active = false;
4088         src_tabs->RemovePage(page_info.window);
4089         if (src_tabs->GetPageCount() > 0)
4090         {
4091             src_tabs->SetActivePage((size_t)0);
4092             src_tabs->DoShowHide();
4093             src_tabs->Refresh();
4094         }
4095
4096
4097
4098         // add the page to the destination tabs
4099         if (insert_idx == -1)
4100             insert_idx = dest_tabs->GetPageCount();
4101         dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
4102
4103         if (src_tabs->GetPageCount() == 0)
4104         {
4105             RemoveEmptyTabFrames();
4106         }
4107
4108         DoSizing();
4109         dest_tabs->DoShowHide();
4110         dest_tabs->Refresh();
4111
4112         // force the set selection function reset the selection
4113         m_curpage = -1;
4114
4115         // set the active page to the one we just split off
4116         SetSelectionToPage(page_info);
4117
4118         UpdateHintWindowSize();
4119     }
4120
4121     // notify owner that the tab has been dragged
4122     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
4123     e.SetSelection(evt.GetSelection());
4124     e.SetOldSelection(evt.GetSelection());
4125     e.SetEventObject(this);
4126     GetEventHandler()->ProcessEvent(e);
4127 }
4128
4129
4130
4131 void wxAuiNotebook::OnTabCancelDrag(wxAuiNotebookEvent& command_evt)
4132 {
4133     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
4134
4135     m_mgr.HideHint();
4136
4137     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4138     wxCHECK_RET( src_tabs, _T("no source object?") );
4139
4140     src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
4141 }
4142
4143 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
4144 {
4145     // if we've just removed the last tab from the source
4146     // tab set, the remove the tab control completely
4147     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4148     size_t i, pane_count = all_panes.GetCount();
4149     for (i = 0; i < pane_count; ++i)
4150     {
4151         if (all_panes.Item(i).name == wxT("dummy"))
4152             continue;
4153
4154         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4155         if (tabframe->m_tab_rect.Contains(pt))
4156             return tabframe->m_tabs;
4157     }
4158
4159     return NULL;
4160 }
4161
4162 wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
4163 {
4164     // if we've just removed the last tab from the source
4165     // tab set, the remove the tab control completely
4166     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4167     size_t i, pane_count = all_panes.GetCount();
4168     for (i = 0; i < pane_count; ++i)
4169     {
4170         if (all_panes.Item(i).name == wxT("dummy"))
4171             continue;
4172
4173         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4174         if (tabframe->m_tabs == tab_ctrl)
4175         {
4176             return tabframe;
4177         }
4178     }
4179
4180     return NULL;
4181 }
4182
4183 void wxAuiNotebook::RemoveEmptyTabFrames()
4184 {
4185     // if we've just removed the last tab from the source
4186     // tab set, the remove the tab control completely
4187     wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
4188     size_t i, pane_count = all_panes.GetCount();
4189     for (i = 0; i < pane_count; ++i)
4190     {
4191         if (all_panes.Item(i).name == wxT("dummy"))
4192             continue;
4193
4194         wxTabFrame* tab_frame = (wxTabFrame*)all_panes.Item(i).window;
4195         if (tab_frame->m_tabs->GetPageCount() == 0)
4196         {
4197             m_mgr.DetachPane(tab_frame);
4198
4199             // use pending delete because sometimes during
4200             // window closing, refreshs are pending
4201             if (!wxPendingDelete.Member(tab_frame->m_tabs))
4202                 wxPendingDelete.Append(tab_frame->m_tabs);
4203
4204             tab_frame->m_tabs = NULL;
4205
4206             delete tab_frame;
4207         }
4208     }
4209
4210
4211     // check to see if there is still a center pane;
4212     // if there isn't, make a frame the center pane
4213     wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
4214     pane_count = panes.GetCount();
4215     wxWindow* first_good = NULL;
4216     bool center_found = false;
4217     for (i = 0; i < pane_count; ++i)
4218     {
4219         if (panes.Item(i).name == wxT("dummy"))
4220             continue;
4221         if (panes.Item(i).dock_direction == wxAUI_DOCK_CENTRE)
4222             center_found = true;
4223         if (!first_good)
4224             first_good = panes.Item(i).window;
4225     }
4226
4227     if (!center_found && first_good)
4228     {
4229         m_mgr.GetPane(first_good).Centre();
4230     }
4231
4232     if (!m_isBeingDeleted)
4233         m_mgr.Update();
4234 }
4235
4236 void wxAuiNotebook::OnChildFocusNotebook(wxChildFocusEvent& evt)
4237 {
4238     evt.Skip();
4239
4240     // if we're dragging a tab, don't change the current selection.
4241     // This code prevents a bug that used to happen when the hint window
4242     // was hidden.  In the bug, the focus would return to the notebook
4243     // child, which would then enter this handler and call
4244     // SetSelection, which is not desired turn tab dragging.
4245
4246     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4247     size_t i, pane_count = all_panes.GetCount();
4248     for (i = 0; i < pane_count; ++i)
4249     {
4250         wxAuiPaneInfo& pane = all_panes.Item(i);
4251         if (pane.name == wxT("dummy"))
4252             continue;
4253         wxTabFrame* tabframe = (wxTabFrame*)pane.window;
4254         if (tabframe->m_tabs->IsDragging())
4255             return;
4256     }
4257
4258
4259     // change the tab selection to the child
4260     // which was focused
4261     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
4262     if (idx != -1 && idx != m_curpage)
4263     {
4264         SetSelection(idx);
4265     }
4266 }
4267
4268 void wxAuiNotebook::OnNavigationKeyNotebook(wxNavigationKeyEvent& event)
4269 {
4270     if ( event.IsWindowChange() ) {
4271         // change pages
4272         // FIXME: the problem with this is that if we have a split notebook,
4273         // we selection may go all over the place.
4274         AdvanceSelection(event.GetDirection());
4275     }
4276     else {
4277         // we get this event in 3 cases
4278         //
4279         // a) one of our pages might have generated it because the user TABbed
4280         // out from it in which case we should propagate the event upwards and
4281         // our parent will take care of setting the focus to prev/next sibling
4282         //
4283         // or
4284         //
4285         // b) the parent panel wants to give the focus to us so that we
4286         // forward it to our selected page. We can't deal with this in
4287         // OnSetFocus() because we don't know which direction the focus came
4288         // from in this case and so can't choose between setting the focus to
4289         // first or last panel child
4290         //
4291         // or
4292         //
4293         // c) we ourselves (see MSWTranslateMessage) generated the event
4294         //
4295         wxWindow * const parent = GetParent();
4296
4297         // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
4298         const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
4299         const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
4300
4301         if ( isFromParent || isFromSelf )
4302         {
4303             // no, it doesn't come from child, case (b) or (c): forward to a
4304             // page but only if direction is backwards (TAB) or from ourselves,
4305             if ( GetSelection() != wxNOT_FOUND &&
4306                     (!event.GetDirection() || isFromSelf) )
4307             {
4308                 // so that the page knows that the event comes from it's parent
4309                 // and is being propagated downwards
4310                 event.SetEventObject(this);
4311
4312                 wxWindow *page = GetPage(GetSelection());
4313                 if ( !page->GetEventHandler()->ProcessEvent(event) )
4314                 {
4315                     page->SetFocus();
4316                 }
4317                 //else: page manages focus inside it itself
4318             }
4319             else // otherwise set the focus to the notebook itself
4320             {
4321                 SetFocus();
4322             }
4323         }
4324         else
4325         {
4326             // it comes from our child, case (a), pass to the parent, but only
4327             // if the direction is forwards. Otherwise set the focus to the
4328             // notebook itself. The notebook is always the 'first' control of a
4329             // page.
4330             if ( !event.GetDirection() )
4331             {
4332                 SetFocus();
4333             }
4334             else if ( parent )
4335             {
4336                 event.SetCurrentFocus(this);
4337                 parent->GetEventHandler()->ProcessEvent(event);
4338             }
4339         }
4340     }
4341 }
4342
4343 void wxAuiNotebook::OnTabButton(wxAuiNotebookEvent& evt)
4344 {
4345     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4346
4347     int button_id = evt.GetInt();
4348
4349     if (button_id == wxAUI_BUTTON_CLOSE)
4350     {
4351         int selection = evt.GetSelection();
4352
4353         if (selection == -1)
4354         {
4355             // if the close button is to the right, use the active
4356             // page selection to determine which page to close
4357             selection = tabs->GetActivePage();
4358         }
4359
4360         if (selection != -1)
4361         {
4362             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
4363
4364             // ask owner if it's ok to close the tab
4365             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
4366             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
4367             const int idx = m_tabs.GetIdxFromWindow(close_wnd);
4368             e.SetSelection(idx);
4369             e.SetOldSelection(evt.GetSelection());
4370             e.SetEventObject(this);
4371             GetEventHandler()->ProcessEvent(e);
4372             if (!e.IsAllowed())
4373                 return;
4374
4375
4376 #if wxUSE_MDI
4377             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
4378             {
4379                 close_wnd->Close();
4380             }
4381             else
4382 #endif
4383             {
4384                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
4385                 wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no page to delete?") );
4386
4387                 DeletePage(main_idx);
4388             }
4389
4390             // notify owner that the tab has been closed
4391             wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, m_windowId);
4392             e2.SetSelection(idx);
4393             e2.SetEventObject(this);
4394             GetEventHandler()->ProcessEvent(e2);
4395         }
4396     }
4397 }
4398
4399
4400 void wxAuiNotebook::OnTabMiddleDown(wxAuiNotebookEvent& evt)
4401 {
4402     // patch event through to owner
4403     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4404     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4405
4406     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
4407     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4408     e.SetEventObject(this);
4409     GetEventHandler()->ProcessEvent(e);
4410 }
4411
4412 void wxAuiNotebook::OnTabMiddleUp(wxAuiNotebookEvent& evt)
4413 {
4414     // if the wxAUI_NB_MIDDLE_CLICK_CLOSE is specified, middle
4415     // click should act like a tab close action.  However, first
4416     // give the owner an opportunity to handle the middle up event
4417     // for custom action
4418
4419     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4420     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4421
4422     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
4423     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4424     e.SetEventObject(this);
4425     if (GetEventHandler()->ProcessEvent(e))
4426         return;
4427     if (!e.IsAllowed())
4428         return;
4429
4430     // check if we are supposed to close on middle-up
4431     if ((m_flags & wxAUI_NB_MIDDLE_CLICK_CLOSE) == 0)
4432         return;
4433
4434     // simulate the user pressing the close button on the tab
4435     evt.SetInt(wxAUI_BUTTON_CLOSE);
4436     OnTabButton(evt);
4437 }
4438
4439 void wxAuiNotebook::OnTabRightDown(wxAuiNotebookEvent& evt)
4440 {
4441     // patch event through to owner
4442     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4443     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4444
4445     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
4446     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4447     e.SetEventObject(this);
4448     GetEventHandler()->ProcessEvent(e);
4449 }
4450
4451 void wxAuiNotebook::OnTabRightUp(wxAuiNotebookEvent& evt)
4452 {
4453     // patch event through to owner
4454     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4455     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4456
4457     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
4458     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4459     e.SetEventObject(this);
4460     GetEventHandler()->ProcessEvent(e);
4461 }
4462
4463 // Sets the normal font
4464 void wxAuiNotebook::SetNormalFont(const wxFont& font)
4465 {
4466     m_normal_font = font;
4467     GetArtProvider()->SetNormalFont(font);
4468 }
4469
4470 // Sets the selected tab font
4471 void wxAuiNotebook::SetSelectedFont(const wxFont& font)
4472 {
4473     m_selected_font = font;
4474     GetArtProvider()->SetSelectedFont(font);
4475 }
4476
4477 // Sets the measuring font
4478 void wxAuiNotebook::SetMeasuringFont(const wxFont& font)
4479 {
4480     GetArtProvider()->SetMeasuringFont(font);
4481 }
4482
4483 // Sets the tab font
4484 bool wxAuiNotebook::SetFont(const wxFont& font)
4485 {
4486     wxControl::SetFont(font);
4487
4488     wxFont normalFont(font);
4489     wxFont selectedFont(normalFont);
4490     selectedFont.SetWeight(wxBOLD);
4491
4492     SetNormalFont(normalFont);
4493     SetSelectedFont(selectedFont);
4494     SetMeasuringFont(selectedFont);
4495
4496     return true;
4497 }
4498
4499 // Gets the tab control height
4500 int wxAuiNotebook::GetTabCtrlHeight() const
4501 {
4502     return m_tab_ctrl_height;
4503 }
4504
4505 // Gets the height of the notebook for a given page height
4506 int wxAuiNotebook::GetHeightForPageHeight(int pageHeight)
4507 {
4508     UpdateTabCtrlHeight();
4509
4510     int tabCtrlHeight = GetTabCtrlHeight();
4511     int decorHeight = 2;
4512     return tabCtrlHeight + pageHeight + decorHeight;
4513 }
4514
4515 // Advances the selection, generation page selection events
4516 void wxAuiNotebook::AdvanceSelection(bool forward)
4517 {
4518     if (GetPageCount() <= 1)
4519         return;
4520
4521     int currentSelection = GetSelection();
4522
4523     if (forward)
4524     {
4525         if (currentSelection == (int) (GetPageCount() - 1))
4526             return;
4527         else if (currentSelection == -1)
4528             currentSelection = 0;
4529         else
4530             currentSelection ++;
4531     }
4532     else
4533     {
4534         if (currentSelection <= 0)
4535             return;
4536         else
4537             currentSelection --;
4538     }
4539
4540     SetSelection(currentSelection);
4541 }
4542
4543 // Shows the window menu
4544 bool wxAuiNotebook::ShowWindowMenu()
4545 {
4546     wxAuiTabCtrl* tabCtrl = GetActiveTabCtrl();
4547
4548     int idx = tabCtrl->GetArtProvider()->ShowDropDown(tabCtrl, tabCtrl->GetPages(), tabCtrl->GetActivePage());
4549
4550     if (idx != -1)
4551     {
4552         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, tabCtrl->GetId());
4553         e.SetSelection(idx);
4554         e.SetOldSelection(tabCtrl->GetActivePage());
4555         e.SetEventObject(tabCtrl);
4556         GetEventHandler()->ProcessEvent(e);
4557
4558         return true;
4559     }
4560     else
4561         return false;
4562 }
4563
4564 void wxAuiNotebook::Thaw()
4565 {
4566     DoSizing();
4567
4568     wxControl::Thaw();
4569 }
4570
4571 #endif // wxUSE_AUI