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 END_EVENT_TABLE()
2864
2865 void wxAuiNotebook::Init()
2866 {
2867     m_curpage = -1;
2868     m_tab_id_counter = wxAuiBaseTabCtrlId;
2869     m_dummy_wnd = NULL;
2870     m_tab_ctrl_height = 20;
2871     m_requested_bmp_size = wxDefaultSize;
2872     m_requested_tabctrl_height = -1;
2873 }
2874
2875 bool wxAuiNotebook::Create(wxWindow* parent,
2876                            wxWindowID id,
2877                            const wxPoint& pos,
2878                            const wxSize& size,
2879                            long style)
2880 {
2881     if (!wxControl::Create(parent, id, pos, size, style))
2882         return false;
2883
2884     InitNotebook(style);
2885
2886     return true;
2887 }
2888
2889 // InitNotebook() contains common initialization
2890 // code called by all constructors
2891 void wxAuiNotebook::InitNotebook(long style)
2892 {
2893     SetName(wxT("wxAuiNotebook"));
2894     m_curpage = -1;
2895     m_tab_id_counter = wxAuiBaseTabCtrlId;
2896     m_dummy_wnd = NULL;
2897     m_flags = (unsigned int)style;
2898     m_tab_ctrl_height = 20;
2899
2900     m_normal_font = *wxNORMAL_FONT;
2901     m_selected_font = *wxNORMAL_FONT;
2902     m_selected_font.SetWeight(wxBOLD);
2903
2904     SetArtProvider(new wxAuiDefaultTabArt);
2905
2906     m_dummy_wnd = new wxWindow(this, wxID_ANY, wxPoint(0,0), wxSize(0,0));
2907     m_dummy_wnd->SetSize(200, 200);
2908     m_dummy_wnd->Show(false);
2909
2910     m_mgr.SetManagedWindow(this);
2911     m_mgr.SetFlags(wxAUI_MGR_DEFAULT);
2912     m_mgr.SetDockSizeConstraint(1.0, 1.0); // no dock size constraint
2913
2914     m_mgr.AddPane(m_dummy_wnd,
2915               wxAuiPaneInfo().Name(wxT("dummy")).Bottom().CaptionVisible(false).Show(false));
2916
2917     m_mgr.Update();
2918 }
2919
2920 wxAuiNotebook::~wxAuiNotebook()
2921 {
2922     // Indicate we're deleting pages
2923     SendDestroyEvent();
2924
2925     while ( GetPageCount() > 0 )
2926         DeletePage(0);
2927
2928     m_mgr.UnInit();
2929 }
2930
2931 void wxAuiNotebook::SetArtProvider(wxAuiTabArt* art)
2932 {
2933     m_tabs.SetArtProvider(art);
2934
2935     // Update the height and do nothing else if it did something but otherwise
2936     // (i.e. if the new art provider uses the same height as the old one) we
2937     // need to manually set the art provider for all tabs ourselves.
2938     if ( !UpdateTabCtrlHeight() )
2939     {
2940         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
2941         const size_t pane_count = all_panes.GetCount();
2942         for (size_t i = 0; i < pane_count; ++i)
2943         {
2944             wxAuiPaneInfo& pane = all_panes.Item(i);
2945             if (pane.name == wxT("dummy"))
2946                 continue;
2947             wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
2948             wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
2949             tabctrl->SetArtProvider(art->Clone());
2950         }
2951     }
2952 }
2953
2954 // SetTabCtrlHeight() is the highest-level override of the
2955 // tab height.  A call to this function effectively enforces a
2956 // specified tab ctrl height, overriding all other considerations,
2957 // such as text or bitmap height.  It overrides any call to
2958 // SetUniformBitmapSize().  Specifying a height of -1 reverts
2959 // any previous call and returns to the default behaviour
2960
2961 void wxAuiNotebook::SetTabCtrlHeight(int height)
2962 {
2963     m_requested_tabctrl_height = height;
2964
2965     // if window is already initialized, recalculate the tab height
2966     if (m_dummy_wnd)
2967     {
2968         UpdateTabCtrlHeight();
2969     }
2970 }
2971
2972
2973 // SetUniformBitmapSize() ensures that all tabs will have
2974 // the same height, even if some tabs don't have bitmaps
2975 // Passing wxDefaultSize to this function will instruct
2976 // the control to use dynamic tab height-- so when a tab
2977 // with a large bitmap is added, the tab ctrl's height will
2978 // automatically increase to accommodate the bitmap
2979
2980 void wxAuiNotebook::SetUniformBitmapSize(const wxSize& size)
2981 {
2982     m_requested_bmp_size = size;
2983
2984     // if window is already initialized, recalculate the tab height
2985     if (m_dummy_wnd)
2986     {
2987         UpdateTabCtrlHeight();
2988     }
2989 }
2990
2991 // UpdateTabCtrlHeight() does the actual tab resizing. It's meant
2992 // to be used internally
2993 bool wxAuiNotebook::UpdateTabCtrlHeight()
2994 {
2995     // get the tab ctrl height we will use
2996     int height = CalculateTabCtrlHeight();
2997
2998     // if the tab control height needs to change, update
2999     // all of our tab controls with the new height
3000     if (m_tab_ctrl_height == height)
3001         return false;
3002
3003     wxAuiTabArt* art = m_tabs.GetArtProvider();
3004
3005     m_tab_ctrl_height = height;
3006
3007     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3008     size_t i, pane_count = all_panes.GetCount();
3009     for (i = 0; i < pane_count; ++i)
3010     {
3011         wxAuiPaneInfo& pane = all_panes.Item(i);
3012         if (pane.name == wxT("dummy"))
3013             continue;
3014         wxTabFrame* tab_frame = (wxTabFrame*)pane.window;
3015         wxAuiTabCtrl* tabctrl = tab_frame->m_tabs;
3016         tab_frame->SetTabCtrlHeight(m_tab_ctrl_height);
3017         tabctrl->SetArtProvider(art->Clone());
3018         tab_frame->DoSizing();
3019     }
3020
3021     return true;
3022 }
3023
3024 void wxAuiNotebook::UpdateHintWindowSize()
3025 {
3026     wxSize size = CalculateNewSplitSize();
3027
3028     // the placeholder hint window should be set to this size
3029     wxAuiPaneInfo& info = m_mgr.GetPane(wxT("dummy"));
3030     if (info.IsOk())
3031     {
3032         info.MinSize(size);
3033         info.BestSize(size);
3034         m_dummy_wnd->SetSize(size);
3035     }
3036 }
3037
3038
3039 // calculates the size of the new split
3040 wxSize wxAuiNotebook::CalculateNewSplitSize()
3041 {
3042     // count number of tab controls
3043     int tab_ctrl_count = 0;
3044     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3045     size_t i, pane_count = all_panes.GetCount();
3046     for (i = 0; i < pane_count; ++i)
3047     {
3048         wxAuiPaneInfo& pane = all_panes.Item(i);
3049         if (pane.name == wxT("dummy"))
3050             continue;
3051         tab_ctrl_count++;
3052     }
3053
3054     wxSize new_split_size;
3055
3056     // if there is only one tab control, the first split
3057     // should happen around the middle
3058     if (tab_ctrl_count < 2)
3059     {
3060         new_split_size = GetClientSize();
3061         new_split_size.x /= 2;
3062         new_split_size.y /= 2;
3063     }
3064     else
3065     {
3066         // this is in place of a more complicated calculation
3067         // that needs to be implemented
3068         new_split_size = wxSize(180,180);
3069     }
3070
3071     return new_split_size;
3072 }
3073
3074 int wxAuiNotebook::CalculateTabCtrlHeight()
3075 {
3076     // if a fixed tab ctrl height is specified,
3077     // just return that instead of calculating a
3078     // tab height
3079     if (m_requested_tabctrl_height != -1)
3080         return m_requested_tabctrl_height;
3081
3082     // find out new best tab height
3083     wxAuiTabArt* art = m_tabs.GetArtProvider();
3084
3085     return art->GetBestTabCtrlSize(this,
3086                                    m_tabs.GetPages(),
3087                                    m_requested_bmp_size);
3088 }
3089
3090
3091 wxAuiTabArt* wxAuiNotebook::GetArtProvider() const
3092 {
3093     return m_tabs.GetArtProvider();
3094 }
3095
3096 void wxAuiNotebook::SetWindowStyleFlag(long style)
3097 {
3098     wxControl::SetWindowStyleFlag(style);
3099
3100     m_flags = (unsigned int)style;
3101
3102     // if the control is already initialized
3103     if (m_mgr.GetManagedWindow() == (wxWindow*)this)
3104     {
3105         // let all of the tab children know about the new style
3106
3107         wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3108         size_t i, pane_count = all_panes.GetCount();
3109         for (i = 0; i < pane_count; ++i)
3110         {
3111             wxAuiPaneInfo& pane = all_panes.Item(i);
3112             if (pane.name == wxT("dummy"))
3113                 continue;
3114             wxTabFrame* tabframe = (wxTabFrame*)pane.window;
3115             wxAuiTabCtrl* tabctrl = tabframe->m_tabs;
3116             tabctrl->SetFlags(m_flags);
3117             tabframe->DoSizing();
3118             tabctrl->Refresh();
3119             tabctrl->Update();
3120         }
3121     }
3122 }
3123
3124
3125 bool wxAuiNotebook::AddPage(wxWindow* page,
3126                             const wxString& caption,
3127                             bool select,
3128                             const wxBitmap& bitmap)
3129 {
3130     return InsertPage(GetPageCount(), page, caption, select, bitmap);
3131 }
3132
3133 bool wxAuiNotebook::InsertPage(size_t page_idx,
3134                                wxWindow* page,
3135                                const wxString& caption,
3136                                bool select,
3137                                const wxBitmap& bitmap)
3138 {
3139     wxASSERT_MSG(page, wxT("page pointer must be non-NULL"));
3140     if (!page)
3141         return false;
3142
3143     page->Reparent(this);
3144
3145     wxAuiNotebookPage info;
3146     info.window = page;
3147     info.caption = caption;
3148     info.bitmap = bitmap;
3149     info.active = false;
3150
3151     // if there are currently no tabs, the first added
3152     // tab must be active
3153     if (m_tabs.GetPageCount() == 0)
3154         info.active = true;
3155
3156     m_tabs.InsertPage(page, info, page_idx);
3157
3158     // if that was the first page added, even if
3159     // select is false, it must become the "current page"
3160     // (though no select events will be fired)
3161     if (!select && m_tabs.GetPageCount() == 1)
3162         select = true;
3163         //m_curpage = GetPageIndex(page);
3164
3165     wxAuiTabCtrl* active_tabctrl = GetActiveTabCtrl();
3166     if (page_idx >= active_tabctrl->GetPageCount())
3167         active_tabctrl->AddPage(page, info);
3168     else
3169         active_tabctrl->InsertPage(page, info, page_idx);
3170
3171     UpdateTabCtrlHeight();
3172     DoSizing();
3173     active_tabctrl->DoShowHide();
3174
3175     // adjust selected index
3176     if(m_curpage >= (int) page_idx)
3177         m_curpage++;
3178
3179     if (select)
3180     {
3181         SetSelectionToWindow(page);
3182     }
3183
3184     return true;
3185 }
3186
3187
3188 // DeletePage() removes a tab from the multi-notebook,
3189 // and destroys the window as well
3190 bool wxAuiNotebook::DeletePage(size_t page_idx)
3191 {
3192     if (page_idx >= m_tabs.GetPageCount())
3193         return false;
3194
3195     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3196
3197     // hide the window in advance, as this will
3198     // prevent flicker
3199     ShowWnd(wnd, false);
3200
3201     if (!RemovePage(page_idx))
3202         return false;
3203
3204 #if wxUSE_MDI
3205     // actually destroy the window now
3206     if (wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
3207     {
3208         // delete the child frame with pending delete, as is
3209         // customary with frame windows
3210         if (!wxPendingDelete.Member(wnd))
3211             wxPendingDelete.Append(wnd);
3212     }
3213     else
3214 #endif
3215     {
3216         wnd->Destroy();
3217     }
3218
3219     return true;
3220 }
3221
3222
3223
3224 // RemovePage() removes a tab from the multi-notebook,
3225 // but does not destroy the window
3226 bool wxAuiNotebook::RemovePage(size_t page_idx)
3227 {
3228     // save active window pointer
3229     wxWindow* active_wnd = NULL;
3230     if (m_curpage >= 0)
3231         active_wnd = m_tabs.GetWindowFromIdx(m_curpage);
3232
3233     // save pointer of window being deleted
3234     wxWindow* wnd = m_tabs.GetWindowFromIdx(page_idx);
3235     wxWindow* new_active = NULL;
3236
3237     // make sure we found the page
3238     if (!wnd)
3239         return false;
3240
3241     // find out which onscreen tab ctrl owns this tab
3242     wxAuiTabCtrl* ctrl;
3243     int ctrl_idx;
3244     if (!FindTab(wnd, &ctrl, &ctrl_idx))
3245         return false;
3246
3247     bool is_curpage = (m_curpage == (int)page_idx);
3248     bool is_active_in_split = ctrl->GetPage(ctrl_idx).active;
3249
3250
3251     // remove the tab from main catalog
3252     if (!m_tabs.RemovePage(wnd))
3253         return false;
3254
3255     // remove the tab from the onscreen tab ctrl
3256     ctrl->RemovePage(wnd);
3257
3258     if (is_active_in_split)
3259     {
3260         int ctrl_new_page_count = (int)ctrl->GetPageCount();
3261
3262         if (ctrl_idx >= ctrl_new_page_count)
3263             ctrl_idx = ctrl_new_page_count-1;
3264
3265         if (ctrl_idx >= 0 && ctrl_idx < (int)ctrl->GetPageCount())
3266         {
3267             // set new page as active in the tab split
3268             ctrl->SetActivePage(ctrl_idx);
3269
3270             // if the page deleted was the current page for the
3271             // entire tab control, then record the window
3272             // pointer of the new active page for activation
3273             if (is_curpage)
3274             {
3275                 new_active = ctrl->GetWindowFromIdx(ctrl_idx);
3276             }
3277         }
3278     }
3279     else
3280     {
3281         // we are not deleting the active page, so keep it the same
3282         new_active = active_wnd;
3283     }
3284
3285
3286     if (!new_active)
3287     {
3288         // we haven't yet found a new page to active,
3289         // so select the next page from the main tab
3290         // catalogue
3291
3292         if (page_idx < m_tabs.GetPageCount())
3293         {
3294             new_active = m_tabs.GetPage(page_idx).window;
3295         }
3296
3297         if (!new_active && m_tabs.GetPageCount() > 0)
3298         {
3299             new_active = m_tabs.GetPage(0).window;
3300         }
3301     }
3302
3303
3304     RemoveEmptyTabFrames();
3305
3306     m_curpage = wxNOT_FOUND;
3307
3308     // set new active pane unless we're being destroyed anyhow
3309     if (new_active && !m_isBeingDeleted)
3310         SetSelectionToWindow(new_active);
3311
3312     return true;
3313 }
3314
3315 // GetPageIndex() returns the index of the page, or -1 if the
3316 // page could not be located in the notebook
3317 int wxAuiNotebook::GetPageIndex(wxWindow* page_wnd) const
3318 {
3319     return m_tabs.GetIdxFromWindow(page_wnd);
3320 }
3321
3322
3323
3324 // SetPageText() changes the tab caption of the specified page
3325 bool wxAuiNotebook::SetPageText(size_t page_idx, const wxString& text)
3326 {
3327     if (page_idx >= m_tabs.GetPageCount())
3328         return false;
3329
3330     // update our own tab catalog
3331     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3332     page_info.caption = text;
3333
3334     // update what's on screen
3335     wxAuiTabCtrl* ctrl;
3336     int ctrl_idx;
3337     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3338     {
3339         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3340         info.caption = text;
3341         ctrl->Refresh();
3342         ctrl->Update();
3343     }
3344
3345     return true;
3346 }
3347
3348 // returns the page caption
3349 wxString wxAuiNotebook::GetPageText(size_t page_idx) const
3350 {
3351     if (page_idx >= m_tabs.GetPageCount())
3352         return wxEmptyString;
3353
3354     // update our own tab catalog
3355     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3356     return page_info.caption;
3357 }
3358
3359 bool wxAuiNotebook::SetPageBitmap(size_t page_idx, const wxBitmap& bitmap)
3360 {
3361     if (page_idx >= m_tabs.GetPageCount())
3362         return false;
3363
3364     // update our own tab catalog
3365     wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3366     page_info.bitmap = bitmap;
3367
3368     // tab height might have changed
3369     UpdateTabCtrlHeight();
3370
3371     // update what's on screen
3372     wxAuiTabCtrl* ctrl;
3373     int ctrl_idx;
3374     if (FindTab(page_info.window, &ctrl, &ctrl_idx))
3375     {
3376         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
3377         info.bitmap = bitmap;
3378         ctrl->Refresh();
3379         ctrl->Update();
3380     }
3381
3382     return true;
3383 }
3384
3385 // returns the page bitmap
3386 wxBitmap wxAuiNotebook::GetPageBitmap(size_t page_idx) const
3387 {
3388     if (page_idx >= m_tabs.GetPageCount())
3389         return wxBitmap();
3390
3391     // update our own tab catalog
3392     const wxAuiNotebookPage& page_info = m_tabs.GetPage(page_idx);
3393     return page_info.bitmap;
3394 }
3395
3396 // GetSelection() returns the index of the currently active page
3397 int wxAuiNotebook::GetSelection() const
3398 {
3399     return m_curpage;
3400 }
3401
3402 // SetSelection() sets the currently active page
3403 size_t wxAuiNotebook::SetSelection(size_t new_page)
3404 {
3405     wxWindow* wnd = m_tabs.GetWindowFromIdx(new_page);
3406     if (!wnd)
3407         return m_curpage;
3408
3409     // don't change the page unless necessary;
3410     // however, clicking again on a tab should give it the focus.
3411     if ((int)new_page == m_curpage)
3412     {
3413         wxAuiTabCtrl* ctrl;
3414         int ctrl_idx;
3415         if (FindTab(wnd, &ctrl, &ctrl_idx))
3416         {
3417             if (FindFocus() != ctrl)
3418                 ctrl->SetFocus();
3419         }
3420         return m_curpage;
3421     }
3422
3423     wxAuiNotebookEvent evt(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, m_windowId);
3424     evt.SetSelection(new_page);
3425     evt.SetOldSelection(m_curpage);
3426     evt.SetEventObject(this);
3427     if (!GetEventHandler()->ProcessEvent(evt) || evt.IsAllowed())
3428     {
3429         int old_curpage = m_curpage;
3430         m_curpage = new_page;
3431
3432         // program allows the page change
3433         evt.SetEventType(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGED);
3434         (void)GetEventHandler()->ProcessEvent(evt);
3435
3436
3437         wxAuiTabCtrl* ctrl;
3438         int ctrl_idx;
3439         if (FindTab(wnd, &ctrl, &ctrl_idx))
3440         {
3441             m_tabs.SetActivePage(wnd);
3442
3443             ctrl->SetActivePage(ctrl_idx);
3444             DoSizing();
3445             ctrl->DoShowHide();
3446
3447             ctrl->MakeTabVisible(ctrl_idx, ctrl);
3448
3449             // set fonts
3450             wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3451             size_t i, pane_count = all_panes.GetCount();
3452             for (i = 0; i < pane_count; ++i)
3453             {
3454                 wxAuiPaneInfo& pane = all_panes.Item(i);
3455                 if (pane.name == wxT("dummy"))
3456                     continue;
3457                 wxAuiTabCtrl* tabctrl = ((wxTabFrame*)pane.window)->m_tabs;
3458                 if (tabctrl != ctrl)
3459                     tabctrl->SetSelectedFont(m_normal_font);
3460                 else
3461                     tabctrl->SetSelectedFont(m_selected_font);
3462                 tabctrl->Refresh();
3463             }
3464
3465             // Set the focus to the page if we're not currently focused on the tab.
3466             // This is Firefox-like behaviour.
3467             if (wnd->IsShownOnScreen() && FindFocus() != ctrl)
3468                 wnd->SetFocus();
3469
3470             return old_curpage;
3471         }
3472     }
3473
3474     return m_curpage;
3475 }
3476
3477 void wxAuiNotebook::SetSelectionToWindow(wxWindow *win)
3478 {
3479     const int idx = m_tabs.GetIdxFromWindow(win);
3480     wxCHECK_RET( idx != wxNOT_FOUND, wxT("invalid notebook page") );
3481
3482
3483     // since a tab was clicked, let the parent know that we received
3484     // the focus, even if we will assign that focus immediately
3485     // to the child tab in the SetSelection call below
3486     // (the child focus event will also let wxAuiManager, if any,
3487     // know that the notebook control has been activated)
3488
3489     wxWindow* parent = GetParent();
3490     if (parent)
3491     {
3492         wxChildFocusEvent eventFocus(this);
3493         parent->GetEventHandler()->ProcessEvent(eventFocus);
3494     }
3495
3496
3497     SetSelection(idx);
3498 }
3499
3500 // GetPageCount() returns the total number of
3501 // pages managed by the multi-notebook
3502 size_t wxAuiNotebook::GetPageCount() const
3503 {
3504     return m_tabs.GetPageCount();
3505 }
3506
3507 // GetPage() returns the wxWindow pointer of the
3508 // specified page
3509 wxWindow* wxAuiNotebook::GetPage(size_t page_idx) const
3510 {
3511     wxASSERT(page_idx < m_tabs.GetPageCount());
3512
3513     return m_tabs.GetWindowFromIdx(page_idx);
3514 }
3515
3516 // DoSizing() performs all sizing operations in each tab control
3517 void wxAuiNotebook::DoSizing()
3518 {
3519     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3520     size_t i, pane_count = all_panes.GetCount();
3521     for (i = 0; i < pane_count; ++i)
3522     {
3523         if (all_panes.Item(i).name == wxT("dummy"))
3524             continue;
3525
3526         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3527         tabframe->DoSizing();
3528     }
3529 }
3530
3531 // GetActiveTabCtrl() returns the active tab control.  It is
3532 // called to determine which control gets new windows being added
3533 wxAuiTabCtrl* wxAuiNotebook::GetActiveTabCtrl()
3534 {
3535     if (m_curpage >= 0 && m_curpage < (int)m_tabs.GetPageCount())
3536     {
3537         wxAuiTabCtrl* ctrl;
3538         int idx;
3539
3540         // find the tab ctrl with the current page
3541         if (FindTab(m_tabs.GetPage(m_curpage).window,
3542                     &ctrl, &idx))
3543         {
3544             return ctrl;
3545         }
3546     }
3547
3548     // no current page, just find the first tab ctrl
3549     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3550     size_t i, pane_count = all_panes.GetCount();
3551     for (i = 0; i < pane_count; ++i)
3552     {
3553         if (all_panes.Item(i).name == wxT("dummy"))
3554             continue;
3555
3556         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3557         return tabframe->m_tabs;
3558     }
3559
3560     // If there is no tabframe at all, create one
3561     wxTabFrame* tabframe = new wxTabFrame;
3562     tabframe->SetTabCtrlHeight(m_tab_ctrl_height);
3563     tabframe->m_tabs = new wxAuiTabCtrl(this,
3564                                         m_tab_id_counter++,
3565                                         wxDefaultPosition,
3566                                         wxDefaultSize,
3567                                         wxNO_BORDER|wxWANTS_CHARS);
3568     tabframe->m_tabs->SetFlags(m_flags);
3569     tabframe->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3570     m_mgr.AddPane(tabframe,
3571                   wxAuiPaneInfo().Center().CaptionVisible(false));
3572
3573     m_mgr.Update();
3574
3575     return tabframe->m_tabs;
3576 }
3577
3578 // FindTab() finds the tab control that currently contains the window as well
3579 // as the index of the window in the tab control.  It returns true if the
3580 // window was found, otherwise false.
3581 bool wxAuiNotebook::FindTab(wxWindow* page, wxAuiTabCtrl** ctrl, int* idx)
3582 {
3583     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
3584     size_t i, pane_count = all_panes.GetCount();
3585     for (i = 0; i < pane_count; ++i)
3586     {
3587         if (all_panes.Item(i).name == wxT("dummy"))
3588             continue;
3589
3590         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
3591
3592         int page_idx = tabframe->m_tabs->GetIdxFromWindow(page);
3593         if (page_idx != -1)
3594         {
3595             *ctrl = tabframe->m_tabs;
3596             *idx = page_idx;
3597             return true;
3598         }
3599     }
3600
3601     return false;
3602 }
3603
3604 void wxAuiNotebook::Split(size_t page, int direction)
3605 {
3606     wxSize cli_size = GetClientSize();
3607
3608     // get the page's window pointer
3609     wxWindow* wnd = GetPage(page);
3610     if (!wnd)
3611         return;
3612
3613     // notebooks with 1 or less pages can't be split
3614     if (GetPageCount() < 2)
3615         return;
3616
3617     // find out which tab control the page currently belongs to
3618     wxAuiTabCtrl *src_tabs, *dest_tabs;
3619     int src_idx = -1;
3620     src_tabs = NULL;
3621     if (!FindTab(wnd, &src_tabs, &src_idx))
3622         return;
3623     if (!src_tabs || src_idx == -1)
3624         return;
3625
3626     // choose a split size
3627     wxSize split_size;
3628     if (GetPageCount() > 2)
3629     {
3630         split_size = CalculateNewSplitSize();
3631     }
3632     else
3633     {
3634         // because there are two panes, always split them
3635         // equally
3636         split_size = GetClientSize();
3637         split_size.x /= 2;
3638         split_size.y /= 2;
3639     }
3640
3641
3642     // create a new tab frame
3643     wxTabFrame* new_tabs = new wxTabFrame;
3644     new_tabs->m_rect = wxRect(wxPoint(0,0), split_size);
3645     new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
3646     new_tabs->m_tabs = new wxAuiTabCtrl(this,
3647                                         m_tab_id_counter++,
3648                                         wxDefaultPosition,
3649                                         wxDefaultSize,
3650                                         wxNO_BORDER|wxWANTS_CHARS);
3651     new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
3652     new_tabs->m_tabs->SetFlags(m_flags);
3653     dest_tabs = new_tabs->m_tabs;
3654
3655     // create a pane info structure with the information
3656     // about where the pane should be added
3657     wxAuiPaneInfo pane_info = wxAuiPaneInfo().Bottom().CaptionVisible(false);
3658     wxPoint mouse_pt;
3659
3660     if (direction == wxLEFT)
3661     {
3662         pane_info.Left();
3663         mouse_pt = wxPoint(0, cli_size.y/2);
3664     }
3665     else if (direction == wxRIGHT)
3666     {
3667         pane_info.Right();
3668         mouse_pt = wxPoint(cli_size.x, cli_size.y/2);
3669     }
3670     else if (direction == wxTOP)
3671     {
3672         pane_info.Top();
3673         mouse_pt = wxPoint(cli_size.x/2, 0);
3674     }
3675     else if (direction == wxBOTTOM)
3676     {
3677         pane_info.Bottom();
3678         mouse_pt = wxPoint(cli_size.x/2, cli_size.y);
3679     }
3680
3681     m_mgr.AddPane(new_tabs, pane_info, mouse_pt);
3682     m_mgr.Update();
3683
3684     // remove the page from the source tabs
3685     wxAuiNotebookPage page_info = src_tabs->GetPage(src_idx);
3686     page_info.active = false;
3687     src_tabs->RemovePage(page_info.window);
3688     if (src_tabs->GetPageCount() > 0)
3689     {
3690         src_tabs->SetActivePage((size_t)0);
3691         src_tabs->DoShowHide();
3692         src_tabs->Refresh();
3693     }
3694
3695
3696     // add the page to the destination tabs
3697     dest_tabs->InsertPage(page_info.window, page_info, 0);
3698
3699     if (src_tabs->GetPageCount() == 0)
3700     {
3701         RemoveEmptyTabFrames();
3702     }
3703
3704     DoSizing();
3705     dest_tabs->DoShowHide();
3706     dest_tabs->Refresh();
3707
3708     // force the set selection function reset the selection
3709     m_curpage = -1;
3710
3711     // set the active page to the one we just split off
3712     SetSelectionToPage(page_info);
3713
3714     UpdateHintWindowSize();
3715 }
3716
3717
3718 void wxAuiNotebook::OnSize(wxSizeEvent& evt)
3719 {
3720     UpdateHintWindowSize();
3721
3722     evt.Skip();
3723 }
3724
3725 void wxAuiNotebook::OnTabClicked(wxAuiNotebookEvent& evt)
3726 {
3727     wxAuiTabCtrl* ctrl = (wxAuiTabCtrl*)evt.GetEventObject();
3728     wxASSERT(ctrl != NULL);
3729
3730     wxWindow* wnd = ctrl->GetWindowFromIdx(evt.GetSelection());
3731     wxASSERT(wnd != NULL);
3732
3733     SetSelectionToWindow(wnd);
3734 }
3735
3736 void wxAuiNotebook::OnTabBgDClick(wxAuiNotebookEvent& WXUNUSED(evt))
3737 {
3738     // notify owner that the tabbar background has been double-clicked
3739     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_BG_DCLICK, m_windowId);
3740     e.SetEventObject(this);
3741     GetEventHandler()->ProcessEvent(e);
3742 }
3743
3744 void wxAuiNotebook::OnTabBeginDrag(wxAuiNotebookEvent&)
3745 {
3746     m_last_drag_x = 0;
3747 }
3748
3749 void wxAuiNotebook::OnTabDragMotion(wxAuiNotebookEvent& evt)
3750 {
3751     wxPoint screen_pt = ::wxGetMousePosition();
3752     wxPoint client_pt = ScreenToClient(screen_pt);
3753     wxPoint zero(0,0);
3754
3755     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3756     wxAuiTabCtrl* dest_tabs = GetTabCtrlFromPoint(client_pt);
3757
3758     if (dest_tabs == src_tabs)
3759     {
3760         if (src_tabs)
3761         {
3762             src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3763         }
3764
3765         // always hide the hint for inner-tabctrl drag
3766         m_mgr.HideHint();
3767
3768         // if tab moving is not allowed, leave
3769         if (!(m_flags & wxAUI_NB_TAB_MOVE))
3770         {
3771             return;
3772         }
3773
3774         wxPoint pt = dest_tabs->ScreenToClient(screen_pt);
3775         wxWindow* dest_location_tab;
3776
3777         // this is an inner-tab drag/reposition
3778         if (dest_tabs->TabHitTest(pt.x, pt.y, &dest_location_tab))
3779         {
3780             int src_idx = evt.GetSelection();
3781             int dest_idx = dest_tabs->GetIdxFromWindow(dest_location_tab);
3782
3783             // prevent jumpy drag
3784             if ((src_idx == dest_idx) || dest_idx == -1 ||
3785                 (src_idx > dest_idx && m_last_drag_x <= pt.x) ||
3786                 (src_idx < dest_idx && m_last_drag_x >= pt.x))
3787             {
3788                 m_last_drag_x = pt.x;
3789                 return;
3790             }
3791
3792
3793             wxWindow* src_tab = dest_tabs->GetWindowFromIdx(src_idx);
3794             dest_tabs->MovePage(src_tab, dest_idx);
3795             dest_tabs->SetActivePage((size_t)dest_idx);
3796             dest_tabs->DoShowHide();
3797             dest_tabs->Refresh();
3798             m_last_drag_x = pt.x;
3799
3800         }
3801
3802         return;
3803     }
3804
3805
3806     // if external drag is allowed, check if the tab is being dragged
3807     // over a different wxAuiNotebook control
3808     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3809     {
3810         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(screen_pt);
3811
3812         // if we aren't over any window, stop here
3813         if (!tab_ctrl)
3814             return;
3815
3816         // make sure we are not over the hint window
3817         if (!tab_ctrl->IsKindOf(CLASSINFO(wxFrame)))
3818         {
3819             while (tab_ctrl)
3820             {
3821                 if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3822                     break;
3823                 tab_ctrl = tab_ctrl->GetParent();
3824             }
3825
3826             if (tab_ctrl)
3827             {
3828                 wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3829
3830                 if (nb != this)
3831                 {
3832                     wxRect hint_rect = tab_ctrl->GetClientRect();
3833                     tab_ctrl->ClientToScreen(&hint_rect.x, &hint_rect.y);
3834                     m_mgr.ShowHint(hint_rect);
3835                     return;
3836                 }
3837             }
3838         }
3839         else
3840         {
3841             if (!dest_tabs)
3842             {
3843                 // we are either over a hint window, or not over a tab
3844                 // window, and there is no where to drag to, so exit
3845                 return;
3846             }
3847         }
3848     }
3849
3850
3851     // if there are less than two panes, split can't happen, so leave
3852     if (m_tabs.GetPageCount() < 2)
3853         return;
3854
3855     // if tab moving is not allowed, leave
3856     if (!(m_flags & wxAUI_NB_TAB_SPLIT))
3857         return;
3858
3859
3860     if (src_tabs)
3861     {
3862         src_tabs->SetCursor(wxCursor(wxCURSOR_SIZING));
3863     }
3864
3865
3866     if (dest_tabs)
3867     {
3868         wxRect hint_rect = dest_tabs->GetRect();
3869         ClientToScreen(&hint_rect.x, &hint_rect.y);
3870         m_mgr.ShowHint(hint_rect);
3871     }
3872     else
3873     {
3874         m_mgr.DrawHintRect(m_dummy_wnd, client_pt, zero);
3875     }
3876 }
3877
3878
3879
3880 void wxAuiNotebook::OnTabEndDrag(wxAuiNotebookEvent& evt)
3881 {
3882     m_mgr.HideHint();
3883
3884
3885     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
3886     wxCHECK_RET( src_tabs, wxT("no source object?") );
3887
3888     src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
3889
3890     // get the mouse position, which will be used to determine the drop point
3891     wxPoint mouse_screen_pt = ::wxGetMousePosition();
3892     wxPoint mouse_client_pt = ScreenToClient(mouse_screen_pt);
3893
3894
3895
3896     // check for an external move
3897     if (m_flags & wxAUI_NB_TAB_EXTERNAL_MOVE)
3898     {
3899         wxWindow* tab_ctrl = ::wxFindWindowAtPoint(mouse_screen_pt);
3900
3901         while (tab_ctrl)
3902         {
3903             if (tab_ctrl->IsKindOf(CLASSINFO(wxAuiTabCtrl)))
3904                 break;
3905             tab_ctrl = tab_ctrl->GetParent();
3906         }
3907
3908         if (tab_ctrl)
3909         {
3910             wxAuiNotebook* nb = (wxAuiNotebook*)tab_ctrl->GetParent();
3911
3912             if (nb != this)
3913             {
3914                 // find out from the destination control
3915                 // if it's ok to drop this tab here
3916                 wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_ALLOW_DND, m_windowId);
3917                 e.SetSelection(evt.GetSelection());
3918                 e.SetOldSelection(evt.GetSelection());
3919                 e.SetEventObject(this);
3920                 e.SetDragSource(this);
3921                 e.Veto(); // dropping must be explicitly approved by control owner
3922
3923                 nb->GetEventHandler()->ProcessEvent(e);
3924
3925                 if (!e.IsAllowed())
3926                 {
3927                     // no answer or negative answer
3928                     m_mgr.HideHint();
3929                     return;
3930                 }
3931
3932                 // drop was allowed
3933                 int src_idx = evt.GetSelection();
3934                 wxWindow* src_page = src_tabs->GetWindowFromIdx(src_idx);
3935
3936                 // Check that it's not an impossible parent relationship
3937                 wxWindow* p = nb;
3938                 while (p && !p->IsTopLevel())
3939                 {
3940                     if (p == src_page)
3941                     {
3942                         return;
3943                     }
3944                     p = p->GetParent();
3945                 }
3946
3947                 // get main index of the page
3948                 int main_idx = m_tabs.GetIdxFromWindow(src_page);
3949                 wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no source page?") );
3950
3951
3952                 // make a copy of the page info
3953                 wxAuiNotebookPage page_info = m_tabs.GetPage(main_idx);
3954
3955                 // remove the page from the source notebook
3956                 RemovePage(main_idx);
3957
3958                 // reparent the page
3959                 src_page->Reparent(nb);
3960
3961
3962                 // found out the insert idx
3963                 wxAuiTabCtrl* dest_tabs = (wxAuiTabCtrl*)tab_ctrl;
3964                 wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
3965
3966                 wxWindow* target = NULL;
3967                 int insert_idx = -1;
3968                 dest_tabs->TabHitTest(pt.x, pt.y, &target);
3969                 if (target)
3970                 {
3971                     insert_idx = dest_tabs->GetIdxFromWindow(target);
3972                 }
3973
3974
3975                 // add the page to the new notebook
3976                 if (insert_idx == -1)
3977                     insert_idx = dest_tabs->GetPageCount();
3978                 dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
3979                 nb->m_tabs.AddPage(page_info.window, page_info);
3980
3981                 nb->DoSizing();
3982                 dest_tabs->DoShowHide();
3983                 dest_tabs->Refresh();
3984
3985                 // set the selection in the destination tab control
3986                 nb->SetSelectionToPage(page_info);
3987
3988                 // notify owner that the tab has been dragged
3989                 wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
3990                 e2.SetSelection(evt.GetSelection());
3991                 e2.SetOldSelection(evt.GetSelection());
3992                 e2.SetEventObject(this);
3993                 GetEventHandler()->ProcessEvent(e2);
3994
3995                 return;
3996             }
3997         }
3998     }
3999
4000
4001
4002
4003     // only perform a tab split if it's allowed
4004     wxAuiTabCtrl* dest_tabs = NULL;
4005
4006     if ((m_flags & wxAUI_NB_TAB_SPLIT) && m_tabs.GetPageCount() >= 2)
4007     {
4008         // If the pointer is in an existing tab frame, do a tab insert
4009         wxWindow* hit_wnd = ::wxFindWindowAtPoint(mouse_screen_pt);
4010         wxTabFrame* tab_frame = (wxTabFrame*)GetTabFrameFromTabCtrl(hit_wnd);
4011         int insert_idx = -1;
4012         if (tab_frame)
4013         {
4014             dest_tabs = tab_frame->m_tabs;
4015
4016             if (dest_tabs == src_tabs)
4017                 return;
4018
4019
4020             wxPoint pt = dest_tabs->ScreenToClient(mouse_screen_pt);
4021             wxWindow* target = NULL;
4022             dest_tabs->TabHitTest(pt.x, pt.y, &target);
4023             if (target)
4024             {
4025                 insert_idx = dest_tabs->GetIdxFromWindow(target);
4026             }
4027         }
4028         else
4029         {
4030             wxPoint zero(0,0);
4031             wxRect rect = m_mgr.CalculateHintRect(m_dummy_wnd,
4032                                                   mouse_client_pt,
4033                                                   zero);
4034             if (rect.IsEmpty())
4035             {
4036                 // there is no suitable drop location here, exit out
4037                 return;
4038             }
4039
4040             // If there is no tabframe at all, create one
4041             wxTabFrame* new_tabs = new wxTabFrame;
4042             new_tabs->m_rect = wxRect(wxPoint(0,0), CalculateNewSplitSize());
4043             new_tabs->SetTabCtrlHeight(m_tab_ctrl_height);
4044             new_tabs->m_tabs = new wxAuiTabCtrl(this,
4045                                                 m_tab_id_counter++,
4046                                                 wxDefaultPosition,
4047                                                 wxDefaultSize,
4048                                                 wxNO_BORDER|wxWANTS_CHARS);
4049             new_tabs->m_tabs->SetArtProvider(m_tabs.GetArtProvider()->Clone());
4050             new_tabs->m_tabs->SetFlags(m_flags);
4051
4052             m_mgr.AddPane(new_tabs,
4053                           wxAuiPaneInfo().Bottom().CaptionVisible(false),
4054                           mouse_client_pt);
4055             m_mgr.Update();
4056             dest_tabs = new_tabs->m_tabs;
4057         }
4058
4059
4060
4061         // remove the page from the source tabs
4062         wxAuiNotebookPage page_info = src_tabs->GetPage(evt.GetSelection());
4063         page_info.active = false;
4064         src_tabs->RemovePage(page_info.window);
4065         if (src_tabs->GetPageCount() > 0)
4066         {
4067             src_tabs->SetActivePage((size_t)0);
4068             src_tabs->DoShowHide();
4069             src_tabs->Refresh();
4070         }
4071
4072
4073
4074         // add the page to the destination tabs
4075         if (insert_idx == -1)
4076             insert_idx = dest_tabs->GetPageCount();
4077         dest_tabs->InsertPage(page_info.window, page_info, insert_idx);
4078
4079         if (src_tabs->GetPageCount() == 0)
4080         {
4081             RemoveEmptyTabFrames();
4082         }
4083
4084         DoSizing();
4085         dest_tabs->DoShowHide();
4086         dest_tabs->Refresh();
4087
4088         // force the set selection function reset the selection
4089         m_curpage = -1;
4090
4091         // set the active page to the one we just split off
4092         SetSelectionToPage(page_info);
4093
4094         UpdateHintWindowSize();
4095     }
4096
4097     // notify owner that the tab has been dragged
4098     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_DRAG_DONE, m_windowId);
4099     e.SetSelection(evt.GetSelection());
4100     e.SetOldSelection(evt.GetSelection());
4101     e.SetEventObject(this);
4102     GetEventHandler()->ProcessEvent(e);
4103 }
4104
4105
4106
4107 void wxAuiNotebook::OnTabCancelDrag(wxAuiNotebookEvent& command_evt)
4108 {
4109     wxAuiNotebookEvent& evt = (wxAuiNotebookEvent&)command_evt;
4110
4111     m_mgr.HideHint();
4112
4113     wxAuiTabCtrl* src_tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4114     wxCHECK_RET( src_tabs, _T("no source object?") );
4115
4116     src_tabs->SetCursor(wxCursor(wxCURSOR_ARROW));
4117 }
4118
4119 wxAuiTabCtrl* wxAuiNotebook::GetTabCtrlFromPoint(const wxPoint& pt)
4120 {
4121     // if we've just removed the last tab from the source
4122     // tab set, the remove the tab control completely
4123     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4124     size_t i, pane_count = all_panes.GetCount();
4125     for (i = 0; i < pane_count; ++i)
4126     {
4127         if (all_panes.Item(i).name == wxT("dummy"))
4128             continue;
4129
4130         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4131         if (tabframe->m_tab_rect.Contains(pt))
4132             return tabframe->m_tabs;
4133     }
4134
4135     return NULL;
4136 }
4137
4138 wxWindow* wxAuiNotebook::GetTabFrameFromTabCtrl(wxWindow* tab_ctrl)
4139 {
4140     // if we've just removed the last tab from the source
4141     // tab set, the remove the tab control completely
4142     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4143     size_t i, pane_count = all_panes.GetCount();
4144     for (i = 0; i < pane_count; ++i)
4145     {
4146         if (all_panes.Item(i).name == wxT("dummy"))
4147             continue;
4148
4149         wxTabFrame* tabframe = (wxTabFrame*)all_panes.Item(i).window;
4150         if (tabframe->m_tabs == tab_ctrl)
4151         {
4152             return tabframe;
4153         }
4154     }
4155
4156     return NULL;
4157 }
4158
4159 void wxAuiNotebook::RemoveEmptyTabFrames()
4160 {
4161     // if we've just removed the last tab from the source
4162     // tab set, the remove the tab control completely
4163     wxAuiPaneInfoArray all_panes = m_mgr.GetAllPanes();
4164     size_t i, pane_count = all_panes.GetCount();
4165     for (i = 0; i < pane_count; ++i)
4166     {
4167         if (all_panes.Item(i).name == wxT("dummy"))
4168             continue;
4169
4170         wxTabFrame* tab_frame = (wxTabFrame*)all_panes.Item(i).window;
4171         if (tab_frame->m_tabs->GetPageCount() == 0)
4172         {
4173             m_mgr.DetachPane(tab_frame);
4174
4175             // use pending delete because sometimes during
4176             // window closing, refreshs are pending
4177             if (!wxPendingDelete.Member(tab_frame->m_tabs))
4178                 wxPendingDelete.Append(tab_frame->m_tabs);
4179
4180             tab_frame->m_tabs = NULL;
4181
4182             delete tab_frame;
4183         }
4184     }
4185
4186
4187     // check to see if there is still a center pane;
4188     // if there isn't, make a frame the center pane
4189     wxAuiPaneInfoArray panes = m_mgr.GetAllPanes();
4190     pane_count = panes.GetCount();
4191     wxWindow* first_good = NULL;
4192     bool center_found = false;
4193     for (i = 0; i < pane_count; ++i)
4194     {
4195         if (panes.Item(i).name == wxT("dummy"))
4196             continue;
4197         if (panes.Item(i).dock_direction == wxAUI_DOCK_CENTRE)
4198             center_found = true;
4199         if (!first_good)
4200             first_good = panes.Item(i).window;
4201     }
4202
4203     if (!center_found && first_good)
4204     {
4205         m_mgr.GetPane(first_good).Centre();
4206     }
4207
4208     if (!m_isBeingDeleted)
4209         m_mgr.Update();
4210 }
4211
4212 void wxAuiNotebook::OnChildFocusNotebook(wxChildFocusEvent& evt)
4213 {
4214     evt.Skip();
4215
4216     // if we're dragging a tab, don't change the current selection.
4217     // This code prevents a bug that used to happen when the hint window
4218     // was hidden.  In the bug, the focus would return to the notebook
4219     // child, which would then enter this handler and call
4220     // SetSelection, which is not desired turn tab dragging.
4221
4222     wxAuiPaneInfoArray& all_panes = m_mgr.GetAllPanes();
4223     size_t i, pane_count = all_panes.GetCount();
4224     for (i = 0; i < pane_count; ++i)
4225     {
4226         wxAuiPaneInfo& pane = all_panes.Item(i);
4227         if (pane.name == wxT("dummy"))
4228             continue;
4229         wxTabFrame* tabframe = (wxTabFrame*)pane.window;
4230         if (tabframe->m_tabs->IsDragging())
4231             return;
4232     }
4233
4234
4235     // change the tab selection to the child
4236     // which was focused
4237     int idx = m_tabs.GetIdxFromWindow(evt.GetWindow());
4238     if (idx != -1 && idx != m_curpage)
4239     {
4240         SetSelection(idx);
4241     }
4242 }
4243
4244 void wxAuiNotebook::OnNavigationKeyNotebook(wxNavigationKeyEvent& event)
4245 {
4246     if ( event.IsWindowChange() ) {
4247         // change pages
4248         // FIXME: the problem with this is that if we have a split notebook,
4249         // we selection may go all over the place.
4250         AdvanceSelection(event.GetDirection());
4251     }
4252     else {
4253         // we get this event in 3 cases
4254         //
4255         // a) one of our pages might have generated it because the user TABbed
4256         // out from it in which case we should propagate the event upwards and
4257         // our parent will take care of setting the focus to prev/next sibling
4258         //
4259         // or
4260         //
4261         // b) the parent panel wants to give the focus to us so that we
4262         // forward it to our selected page. We can't deal with this in
4263         // OnSetFocus() because we don't know which direction the focus came
4264         // from in this case and so can't choose between setting the focus to
4265         // first or last panel child
4266         //
4267         // or
4268         //
4269         // c) we ourselves (see MSWTranslateMessage) generated the event
4270         //
4271         wxWindow * const parent = GetParent();
4272
4273         // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
4274         const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
4275         const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
4276
4277         if ( isFromParent || isFromSelf )
4278         {
4279             // no, it doesn't come from child, case (b) or (c): forward to a
4280             // page but only if direction is backwards (TAB) or from ourselves,
4281             if ( GetSelection() != wxNOT_FOUND &&
4282                     (!event.GetDirection() || isFromSelf) )
4283             {
4284                 // so that the page knows that the event comes from it's parent
4285                 // and is being propagated downwards
4286                 event.SetEventObject(this);
4287
4288                 wxWindow *page = GetPage(GetSelection());
4289                 if ( !page->GetEventHandler()->ProcessEvent(event) )
4290                 {
4291                     page->SetFocus();
4292                 }
4293                 //else: page manages focus inside it itself
4294             }
4295             else // otherwise set the focus to the notebook itself
4296             {
4297                 SetFocus();
4298             }
4299         }
4300         else
4301         {
4302             // it comes from our child, case (a), pass to the parent, but only
4303             // if the direction is forwards. Otherwise set the focus to the
4304             // notebook itself. The notebook is always the 'first' control of a
4305             // page.
4306             if ( !event.GetDirection() )
4307             {
4308                 SetFocus();
4309             }
4310             else if ( parent )
4311             {
4312                 event.SetCurrentFocus(this);
4313                 parent->GetEventHandler()->ProcessEvent(event);
4314             }
4315         }
4316     }
4317 }
4318
4319 void wxAuiNotebook::OnTabButton(wxAuiNotebookEvent& evt)
4320 {
4321     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4322
4323     int button_id = evt.GetInt();
4324
4325     if (button_id == wxAUI_BUTTON_CLOSE)
4326     {
4327         int selection = evt.GetSelection();
4328
4329         if (selection == -1)
4330         {
4331             // if the close button is to the right, use the active
4332             // page selection to determine which page to close
4333             selection = tabs->GetActivePage();
4334         }
4335
4336         if (selection != -1)
4337         {
4338             wxWindow* close_wnd = tabs->GetWindowFromIdx(selection);
4339
4340             // ask owner if it's ok to close the tab
4341             wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSE, m_windowId);
4342             e.SetSelection(m_tabs.GetIdxFromWindow(close_wnd));
4343             const int idx = m_tabs.GetIdxFromWindow(close_wnd);
4344             e.SetSelection(idx);
4345             e.SetOldSelection(evt.GetSelection());
4346             e.SetEventObject(this);
4347             GetEventHandler()->ProcessEvent(e);
4348             if (!e.IsAllowed())
4349                 return;
4350
4351
4352 #if wxUSE_MDI
4353             if (close_wnd->IsKindOf(CLASSINFO(wxAuiMDIChildFrame)))
4354             {
4355                 close_wnd->Close();
4356             }
4357             else
4358 #endif
4359             {
4360                 int main_idx = m_tabs.GetIdxFromWindow(close_wnd);
4361                 wxCHECK_RET( main_idx != wxNOT_FOUND, wxT("no page to delete?") );
4362
4363                 DeletePage(main_idx);
4364             }
4365
4366             // notify owner that the tab has been closed
4367             wxAuiNotebookEvent e2(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CLOSED, m_windowId);
4368             e2.SetSelection(idx);
4369             e2.SetEventObject(this);
4370             GetEventHandler()->ProcessEvent(e2);
4371         }
4372     }
4373 }
4374
4375
4376 void wxAuiNotebook::OnTabMiddleDown(wxAuiNotebookEvent& evt)
4377 {
4378     // patch event through to owner
4379     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4380     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4381
4382     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_DOWN, m_windowId);
4383     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4384     e.SetEventObject(this);
4385     GetEventHandler()->ProcessEvent(e);
4386 }
4387
4388 void wxAuiNotebook::OnTabMiddleUp(wxAuiNotebookEvent& evt)
4389 {
4390     // if the wxAUI_NB_MIDDLE_CLICK_CLOSE is specified, middle
4391     // click should act like a tab close action.  However, first
4392     // give the owner an opportunity to handle the middle up event
4393     // for custom action
4394
4395     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4396     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4397
4398     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_MIDDLE_UP, m_windowId);
4399     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4400     e.SetEventObject(this);
4401     if (GetEventHandler()->ProcessEvent(e))
4402         return;
4403     if (!e.IsAllowed())
4404         return;
4405
4406     // check if we are supposed to close on middle-up
4407     if ((m_flags & wxAUI_NB_MIDDLE_CLICK_CLOSE) == 0)
4408         return;
4409
4410     // simulate the user pressing the close button on the tab
4411     evt.SetInt(wxAUI_BUTTON_CLOSE);
4412     OnTabButton(evt);
4413 }
4414
4415 void wxAuiNotebook::OnTabRightDown(wxAuiNotebookEvent& evt)
4416 {
4417     // patch event through to owner
4418     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4419     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4420
4421     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_DOWN, m_windowId);
4422     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4423     e.SetEventObject(this);
4424     GetEventHandler()->ProcessEvent(e);
4425 }
4426
4427 void wxAuiNotebook::OnTabRightUp(wxAuiNotebookEvent& evt)
4428 {
4429     // patch event through to owner
4430     wxAuiTabCtrl* tabs = (wxAuiTabCtrl*)evt.GetEventObject();
4431     wxWindow* wnd = tabs->GetWindowFromIdx(evt.GetSelection());
4432
4433     wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_TAB_RIGHT_UP, m_windowId);
4434     e.SetSelection(m_tabs.GetIdxFromWindow(wnd));
4435     e.SetEventObject(this);
4436     GetEventHandler()->ProcessEvent(e);
4437 }
4438
4439 // Sets the normal font
4440 void wxAuiNotebook::SetNormalFont(const wxFont& font)
4441 {
4442     m_normal_font = font;
4443     GetArtProvider()->SetNormalFont(font);
4444 }
4445
4446 // Sets the selected tab font
4447 void wxAuiNotebook::SetSelectedFont(const wxFont& font)
4448 {
4449     m_selected_font = font;
4450     GetArtProvider()->SetSelectedFont(font);
4451 }
4452
4453 // Sets the measuring font
4454 void wxAuiNotebook::SetMeasuringFont(const wxFont& font)
4455 {
4456     GetArtProvider()->SetMeasuringFont(font);
4457 }
4458
4459 // Sets the tab font
4460 bool wxAuiNotebook::SetFont(const wxFont& font)
4461 {
4462     wxControl::SetFont(font);
4463
4464     wxFont normalFont(font);
4465     wxFont selectedFont(normalFont);
4466     selectedFont.SetWeight(wxBOLD);
4467
4468     SetNormalFont(normalFont);
4469     SetSelectedFont(selectedFont);
4470     SetMeasuringFont(selectedFont);
4471
4472     return true;
4473 }
4474
4475 // Gets the tab control height
4476 int wxAuiNotebook::GetTabCtrlHeight() const
4477 {
4478     return m_tab_ctrl_height;
4479 }
4480
4481 // Gets the height of the notebook for a given page height
4482 int wxAuiNotebook::GetHeightForPageHeight(int pageHeight)
4483 {
4484     UpdateTabCtrlHeight();
4485
4486     int tabCtrlHeight = GetTabCtrlHeight();
4487     int decorHeight = 2;
4488     return tabCtrlHeight + pageHeight + decorHeight;
4489 }
4490
4491 // Advances the selection, generation page selection events
4492 void wxAuiNotebook::AdvanceSelection(bool forward)
4493 {
4494     if (GetPageCount() <= 1)
4495         return;
4496
4497     int currentSelection = GetSelection();
4498
4499     if (forward)
4500     {
4501         if (currentSelection == (int) (GetPageCount() - 1))
4502             return;
4503         else if (currentSelection == -1)
4504             currentSelection = 0;
4505         else
4506             currentSelection ++;
4507     }
4508     else
4509     {
4510         if (currentSelection <= 0)
4511             return;
4512         else
4513             currentSelection --;
4514     }
4515
4516     SetSelection(currentSelection);
4517 }
4518
4519 // Shows the window menu
4520 bool wxAuiNotebook::ShowWindowMenu()
4521 {
4522     wxAuiTabCtrl* tabCtrl = GetActiveTabCtrl();
4523
4524     int idx = tabCtrl->GetArtProvider()->ShowDropDown(tabCtrl, tabCtrl->GetPages(), tabCtrl->GetActivePage());
4525
4526     if (idx != -1)
4527     {
4528         wxAuiNotebookEvent e(wxEVT_COMMAND_AUINOTEBOOK_PAGE_CHANGING, tabCtrl->GetId());
4529         e.SetSelection(idx);
4530         e.SetOldSelection(tabCtrl->GetActivePage());
4531         e.SetEventObject(tabCtrl);
4532         GetEventHandler()->ProcessEvent(e);
4533
4534         return true;
4535     }
4536     else
4537         return false;
4538 }
4539
4540 void wxAuiNotebook::Thaw()
4541 {
4542     DoSizing();
4543
4544     wxControl::Thaw();
4545 }
4546
4547 #endif // wxUSE_AUI