src/univ/topluniv.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/univ/topluniv.cpp
   3 // Author:      Vaclav Slavik
   4 // Id:          $Id$
   5 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 // ============================================================================
  10 // declarations
  11 // ============================================================================
  12
  13 // ----------------------------------------------------------------------------
  14 // headers
  15 // ----------------------------------------------------------------------------
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21     #pragma hdrstop
  22 #endif
  23
  24 #include "wx/toplevel.h"
  25
  26 #ifndef WX_PRECOMP
  27     #include "wx/dcclient.h"
  28     #include "wx/settings.h"
  29     #include "wx/bitmap.h"
  30     #include "wx/image.h"
  31     #include "wx/frame.h"
  32 #endif
  33
  34 #include "wx/univ/renderer.h"
  35 #include "wx/cshelp.h"
  36 #include "wx/evtloop.h"
  37
  38 // ----------------------------------------------------------------------------
  39 // wxStdTLWInputHandler: handles focus, resizing and titlebar buttons clicks
  40 // ----------------------------------------------------------------------------
  41
  42 class WXDLLEXPORT wxStdTLWInputHandler : public wxStdInputHandler
  43 {
  44 public:
  45     wxStdTLWInputHandler(wxInputHandler *inphand);
  46
  47     virtual bool HandleMouse(wxInputConsumer *consumer,
  48                              const wxMouseEvent& event);
  49     virtual bool HandleMouseMove(wxInputConsumer *consumer, const wxMouseEvent& event);
  50     virtual bool HandleActivation(wxInputConsumer *consumer, bool activated);
  51
  52 private:
  53     // the window (button) which has capture or NULL and the last hittest result
  54     wxTopLevelWindow *m_winCapture;
  55     long              m_winHitTest;
  56     long              m_winPressed;
  57     bool              m_borderCursorOn;
  58     wxCursor          m_origCursor;
  59 };
  60
  61
  62 // ----------------------------------------------------------------------------
  63 // event tables
  64 // ----------------------------------------------------------------------------
  65
  66 BEGIN_EVENT_TABLE(wxTopLevelWindow, wxTopLevelWindowNative)
  67     WX_EVENT_TABLE_INPUT_CONSUMER(wxTopLevelWindow)
  68     EVT_NC_PAINT(wxTopLevelWindow::OnNcPaint)
  69     EVT_MENU_RANGE(wxID_CLOSE_FRAME, wxID_RESTORE_FRAME, wxTopLevelWindow::OnSystemMenu)
  70 END_EVENT_TABLE()
  71
  72 WX_FORWARD_TO_INPUT_CONSUMER(wxTopLevelWindow)
  73
  74 // ============================================================================
  75 // implementation
  76 // ============================================================================
  77
  78 int wxTopLevelWindow::ms_drawDecorations = -1;
  79 int wxTopLevelWindow::ms_canIconize = -1;
  80
  81 void wxTopLevelWindow::Init()
  82 {
  83     // once-only ms_drawDecorations initialization
  84     if ( ms_drawDecorations == -1 )
  85     {
  86         ms_drawDecorations =
  87             !wxSystemSettings::HasFeature(wxSYS_CAN_DRAW_FRAME_DECORATIONS) ||
  88             wxGetEnv(wxT("WXDECOR"), NULL);
  89     }
  90
  91     m_usingNativeDecorations = ms_drawDecorations == 0;
  92     m_isActive = false;
  93     m_windowStyle = 0;
  94     m_pressedButton = 0;
  95 }
  96
  97 bool wxTopLevelWindow::Create(wxWindow *parent,
  98                               wxWindowID id,
  99                               const wxString& title,
 100                               const wxPoint& pos,
 101                               const wxSize& size,
 102                               long style,
 103                               const wxString &name)
 104 {
 105     // init them to avoid compiler warnings
 106     long styleOrig = 0,
 107          exstyleOrig = 0;
 108
 109     if ( !m_usingNativeDecorations )
 110     {
 111         CreateInputHandler(wxINP_HANDLER_TOPLEVEL);
 112
 113         styleOrig = style;
 114         exstyleOrig = GetExtraStyle();
 115         style &= ~(wxCAPTION | wxMINIMIZE_BOX | wxMAXIMIZE_BOX |
 116                    wxSYSTEM_MENU | wxRESIZE_BORDER | wxFRAME_TOOL_WINDOW |
 117                    wxRESIZE_BORDER);
 118         style |= wxBORDER_NONE;
 119         SetExtraStyle(exstyleOrig & ~wxWS_EX_CONTEXTHELP);
 120     }
 121
 122     if ( !wxTopLevelWindowNative::Create(parent, id, title, pos,
 123                                          size, style, name) )
 124         return false;
 125
 126     if ( !m_usingNativeDecorations )
 127     {
 128         m_windowStyle = styleOrig;
 129         m_exStyle = exstyleOrig;
 130     }
 131
 132     return true;
 133 }
 134
 135 bool wxTopLevelWindow::ShowFullScreen(bool show, long style)
 136 {
 137     if ( show == IsFullScreen() ) return false;
 138
 139     if ( !m_usingNativeDecorations )
 140     {
 141         if ( show )
 142         {
 143             m_fsSavedStyle = m_windowStyle;
 144             if ( style & wxFULLSCREEN_NOBORDER )
 145                 m_windowStyle |= wxSIMPLE_BORDER;
 146             if ( style & wxFULLSCREEN_NOCAPTION )
 147                 m_windowStyle &= ~wxCAPTION;
 148         }
 149         else
 150         {
 151             m_windowStyle = m_fsSavedStyle;
 152         }
 153     }
 154
 155     return wxTopLevelWindowNative::ShowFullScreen(show, style);
 156 }
 157
 158 /* static */
 159 void wxTopLevelWindow::UseNativeDecorationsByDefault(bool native)
 160 {
 161     ms_drawDecorations = !native;
 162 }
 163
 164 void wxTopLevelWindow::UseNativeDecorations(bool native)
 165 {
 166     wxASSERT_MSG( !m_windowStyle, _T("must be called before Create()") );
 167
 168     m_usingNativeDecorations = native;
 169 }
 170
 171 bool wxTopLevelWindow::IsUsingNativeDecorations() const
 172 {
 173     return m_usingNativeDecorations;
 174 }
 175
 176 long wxTopLevelWindow::GetDecorationsStyle() const
 177 {
 178     long style = 0;
 179
 180     if ( m_windowStyle & wxCAPTION )
 181     {
 182         if ( ms_canIconize == -1 )
 183         {
 184             ms_canIconize = wxSystemSettings::HasFeature(wxSYS_CAN_ICONIZE_FRAME);
 185         }
 186
 187         style |= wxTOPLEVEL_TITLEBAR | wxTOPLEVEL_BUTTON_CLOSE;
 188         if ( (m_windowStyle & wxMINIMIZE_BOX) && ms_canIconize )
 189             style |= wxTOPLEVEL_BUTTON_ICONIZE;
 190         if ( m_windowStyle & wxMAXIMIZE_BOX )
 191         {
 192             if ( IsMaximized() )
 193                 style |= wxTOPLEVEL_BUTTON_RESTORE;
 194             else
 195                 style |= wxTOPLEVEL_BUTTON_MAXIMIZE;
 196         }
 197 #if wxUSE_HELP
 198         if ( m_exStyle & wxWS_EX_CONTEXTHELP)
 199             style |= wxTOPLEVEL_BUTTON_HELP;
 200 #endif
 201     }
 202     if ( (m_windowStyle & (wxSIMPLE_BORDER | wxNO_BORDER)) == 0 )
 203         style |= wxTOPLEVEL_BORDER;
 204     if ( m_windowStyle & (wxRESIZE_BORDER | wxRESIZE_BORDER) )
 205         style |= wxTOPLEVEL_RESIZEABLE;
 206
 207     if ( IsMaximized() )
 208         style |= wxTOPLEVEL_MAXIMIZED;
 209     if ( GetIcon().Ok() )
 210         style |= wxTOPLEVEL_ICON;
 211     if ( m_isActive )
 212         style |= wxTOPLEVEL_ACTIVE;
 213
 214     return style;
 215 }
 216
 217 void wxTopLevelWindow::RefreshTitleBar()
 218 {
 219     wxNcPaintEvent event(GetId());
 220     event.SetEventObject(this);
 221     GetEventHandler()->ProcessEvent(event);
 222 }
 223
 224 // ----------------------------------------------------------------------------
 225 // client area handling
 226 // ----------------------------------------------------------------------------
 227
 228 wxPoint wxTopLevelWindow::GetClientAreaOrigin() const
 229 {
 230     if ( !m_usingNativeDecorations )
 231     {
 232         int w, h;
 233         wxTopLevelWindowNative::DoGetClientSize(&w, &h);
 234         wxRect rect = wxRect(wxTopLevelWindowNative::GetClientAreaOrigin(),
 235                              wxSize(w, h));
 236         rect = m_renderer->GetFrameClientArea(rect,
 237                                               GetDecorationsStyle());
 238         return rect.GetPosition();
 239     }
 240     else
 241     {
 242         return wxTopLevelWindowNative::GetClientAreaOrigin();
 243     }
 244 }
 245
 246 void wxTopLevelWindow::DoGetClientSize(int *width, int *height) const
 247 {
 248     if ( !m_usingNativeDecorations )
 249     {
 250         int w, h;
 251         wxTopLevelWindowNative::DoGetClientSize(&w, &h);
 252         wxRect rect = wxRect(wxTopLevelWindowNative::GetClientAreaOrigin(),
 253                              wxSize(w, h));
 254         rect = m_renderer->GetFrameClientArea(rect,
 255                                               GetDecorationsStyle());
 256         if ( width )
 257             *width = rect.width;
 258         if ( height )
 259             *height = rect.height;
 260     }
 261     else
 262         wxTopLevelWindowNative::DoGetClientSize(width, height);
 263 }
 264
 265 void wxTopLevelWindow::DoSetClientSize(int width, int height)
 266 {
 267     if ( !m_usingNativeDecorations )
 268     {
 269         wxSize size = m_renderer->GetFrameTotalSize(wxSize(width, height),
 270                                                GetDecorationsStyle());
 271         wxTopLevelWindowNative::DoSetClientSize(size.x, size.y);
 272     }
 273     else
 274         wxTopLevelWindowNative::DoSetClientSize(width, height);
 275 }
 276
 277 void wxTopLevelWindow::OnNcPaint(wxNcPaintEvent& event)
 278 {
 279     if ( m_usingNativeDecorations || !m_renderer )
 280     {
 281         event.Skip();
 282     }
 283     else // we're drawing the decorations ourselves
 284     {
 285         // get the window rect
 286         wxRect rect(GetSize());
 287
 288         wxWindowDC dc(this);
 289         m_renderer->DrawFrameTitleBar(dc, rect,
 290                                       GetTitle(), m_titlebarIcon,
 291                                       GetDecorationsStyle(),
 292                                       m_pressedButton,
 293                                       wxCONTROL_PRESSED);
 294     }
 295 }
 296
 297 long wxTopLevelWindow::HitTest(const wxPoint& pt) const
 298 {
 299     int w, h;
 300     wxTopLevelWindowNative::DoGetClientSize(&w, &h);
 301     wxRect rect(wxTopLevelWindowNative::GetClientAreaOrigin(), wxSize(w, h));
 302
 303     return m_renderer->HitTestFrame(rect, pt+GetClientAreaOrigin(), GetDecorationsStyle());
 304 }
 305
 306 wxSize wxTopLevelWindow::GetMinSize() const
 307 {
 308     wxSize size = wxTopLevelWindowNative::GetMinSize();
 309     if ( !m_usingNativeDecorations )
 310     {
 311         size.IncTo(m_renderer->GetFrameMinSize(GetDecorationsStyle()));
 312     }
 313
 314     return size;
 315 }
 316
 317 // ----------------------------------------------------------------------------
 318 // icons
 319 // ----------------------------------------------------------------------------
 320
 321 void wxTopLevelWindow::SetIcons(const wxIconBundle& icons)
 322 {
 323     wxTopLevelWindowNative::SetIcons(icons);
 324
 325     if ( !m_usingNativeDecorations && m_renderer )
 326     {
 327         wxSize size = m_renderer->GetFrameIconSize();
 328         const wxIcon& icon = icons.GetIcon( size );
 329
 330         if ( !icon.Ok() || size.x == wxDefaultCoord  )
 331             m_titlebarIcon = icon;
 332         else
 333         {
 334             wxBitmap bmp1;
 335             bmp1.CopyFromIcon(icon);
 336             if ( !bmp1.Ok() )
 337                 m_titlebarIcon = wxNullIcon;
 338             else if ( bmp1.GetWidth() == size.x && bmp1.GetHeight() == size.y )
 339                 m_titlebarIcon = icon;
 340 #if wxUSE_IMAGE
 341             else
 342             {
 343                 wxImage img = bmp1.ConvertToImage();
 344                 img.Rescale(size.x, size.y);
 345                 m_titlebarIcon.CopyFromBitmap(wxBitmap(img));
 346             }
 347 #endif // wxUSE_IMAGE
 348         }
 349     }
 350 }
 351
 352 // ----------------------------------------------------------------------------
 353 // interactive manipulation
 354 // ----------------------------------------------------------------------------
 355
 356
 357 static bool wxGetResizingCursor(long hitTestResult, wxCursor& cursor)
 358 {
 359     if ( hitTestResult & wxHT_TOPLEVEL_ANY_BORDER )
 360     {
 361         switch (hitTestResult)
 362         {
 363             case wxHT_TOPLEVEL_BORDER_N:
 364             case wxHT_TOPLEVEL_BORDER_S:
 365                 cursor = wxCursor(wxCURSOR_SIZENS);
 366                 break;
 367             case wxHT_TOPLEVEL_BORDER_W:
 368             case wxHT_TOPLEVEL_BORDER_E:
 369                 cursor = wxCursor(wxCURSOR_SIZEWE);
 370                 break;
 371             case wxHT_TOPLEVEL_BORDER_NE:
 372             case wxHT_TOPLEVEL_BORDER_SW:
 373                 cursor = wxCursor(wxCURSOR_SIZENESW);
 374                 break;
 375             case wxHT_TOPLEVEL_BORDER_NW:
 376             case wxHT_TOPLEVEL_BORDER_SE:
 377                 cursor = wxCursor(wxCURSOR_SIZENWSE);
 378                 break;
 379             default:
 380                 return false;
 381         }
 382         return true;
 383     }
 384
 385     return false;
 386 }
 387
 388 #define wxINTERACTIVE_RESIZE_DIR \
 389           (wxINTERACTIVE_RESIZE_W | wxINTERACTIVE_RESIZE_E | \
 390            wxINTERACTIVE_RESIZE_S | wxINTERACTIVE_RESIZE_N)
 391
 392 struct wxInteractiveMoveData
 393 {
 394     wxTopLevelWindow     *m_window;
 395     wxEventLoop          *m_evtLoop;
 396     int                   m_flags;
 397     wxRect                m_rect;
 398     wxRect                m_rectOrig;
 399     wxPoint               m_pos;
 400     wxSize                m_minSize, m_maxSize;
 401     bool                  m_sizingCursor;
 402 };
 403
 404 class wxInteractiveMoveHandler : public wxEvtHandler
 405 {
 406 public:
 407     wxInteractiveMoveHandler(wxInteractiveMoveData& data) : m_data(data) {}
 408
 409 private:
 410     DECLARE_EVENT_TABLE()
 411     void OnMouseMove(wxMouseEvent& event);
 412     void OnMouseDown(wxMouseEvent& event);
 413     void OnMouseUp(wxMouseEvent& event);
 414     void OnKeyDown(wxKeyEvent& event);
 415
 416     wxInteractiveMoveData& m_data;
 417 };
 418
 419 BEGIN_EVENT_TABLE(wxInteractiveMoveHandler, wxEvtHandler)
 420     EVT_MOTION(wxInteractiveMoveHandler::OnMouseMove)
 421     EVT_LEFT_DOWN(wxInteractiveMoveHandler::OnMouseDown)
 422     EVT_LEFT_UP(wxInteractiveMoveHandler::OnMouseUp)
 423     EVT_KEY_DOWN(wxInteractiveMoveHandler::OnKeyDown)
 424 END_EVENT_TABLE()
 425
 426
 427 static inline LINKAGEMODE
 428 void wxApplyResize(wxInteractiveMoveData& data, const wxPoint& diff)
 429 {
 430     if ( data.m_flags & wxINTERACTIVE_RESIZE_W )
 431     {
 432         data.m_rect.x += diff.x;
 433         data.m_rect.width -= diff.x;
 434     }
 435     else if ( data.m_flags & wxINTERACTIVE_RESIZE_E )
 436     {
 437         data.m_rect.width += diff.x;
 438     }
 439     if ( data.m_flags & wxINTERACTIVE_RESIZE_N )
 440     {
 441         data.m_rect.y += diff.y;
 442         data.m_rect.height -= diff.y;
 443     }
 444     else if ( data.m_flags & wxINTERACTIVE_RESIZE_S )
 445     {
 446         data.m_rect.height += diff.y;
 447     }
 448
 449     if ( data.m_minSize.x != wxDefaultCoord && data.m_rect.width < data.m_minSize.x )
 450     {
 451         if ( data.m_flags & wxINTERACTIVE_RESIZE_W )
 452             data.m_rect.x -= data.m_minSize.x - data.m_rect.width;
 453         data.m_rect.width = data.m_minSize.x;
 454     }
 455     if ( data.m_maxSize.x != wxDefaultCoord && data.m_rect.width > data.m_maxSize.x )
 456     {
 457         if ( data.m_flags & wxINTERACTIVE_RESIZE_W )
 458             data.m_rect.x -= data.m_minSize.x - data.m_rect.width;
 459         data.m_rect.width = data.m_maxSize.x;
 460     }
 461     if ( data.m_minSize.y != wxDefaultCoord && data.m_rect.height < data.m_minSize.y )
 462     {
 463         if ( data.m_flags & wxINTERACTIVE_RESIZE_N )
 464             data.m_rect.y -= data.m_minSize.y - data.m_rect.height;
 465         data.m_rect.height = data.m_minSize.y;
 466     }
 467     if ( data.m_maxSize.y != wxDefaultCoord && data.m_rect.height > data.m_maxSize.y )
 468     {
 469         if ( data.m_flags & wxINTERACTIVE_RESIZE_N )
 470             data.m_rect.y -= data.m_minSize.y - data.m_rect.height;
 471         data.m_rect.height = data.m_maxSize.y;
 472     }
 473 }
 474
 475 void wxInteractiveMoveHandler::OnMouseMove(wxMouseEvent& event)
 476 {
 477     if ( m_data.m_flags & wxINTERACTIVE_WAIT_FOR_INPUT )
 478         event.Skip();
 479
 480     else if ( m_data.m_flags & wxINTERACTIVE_MOVE )
 481     {
 482         wxPoint diff = wxGetMousePosition() - m_data.m_pos;
 483         m_data.m_rect = m_data.m_rectOrig;
 484         m_data.m_rect.Offset(diff);
 485         m_data.m_window->Move(m_data.m_rect.GetPosition());
 486     }
 487
 488     else if ( m_data.m_flags & wxINTERACTIVE_RESIZE )
 489     {
 490         wxPoint diff = wxGetMousePosition() - m_data.m_pos;
 491         m_data.m_rect = m_data.m_rectOrig;
 492         wxApplyResize(m_data, diff);
 493         m_data.m_window->SetSize(m_data.m_rect);
 494     }
 495 }
 496
 497 void wxInteractiveMoveHandler::OnMouseDown(wxMouseEvent& WXUNUSED(event))
 498 {
 499     if ( m_data.m_flags & wxINTERACTIVE_WAIT_FOR_INPUT )
 500     {
 501         m_data.m_evtLoop->Exit();
 502     }
 503 }
 504
 505 void wxInteractiveMoveHandler::OnKeyDown(wxKeyEvent& event)
 506 {
 507     wxPoint diff(wxDefaultCoord,wxDefaultCoord);
 508
 509     switch ( event.GetKeyCode() )
 510     {
 511         case WXK_UP:    diff = wxPoint(0, -16); break;
 512         case WXK_DOWN:  diff = wxPoint(0, 16);  break;
 513         case WXK_LEFT:  diff = wxPoint(-16, 0); break;
 514         case WXK_RIGHT: diff = wxPoint(16, 0);  break;
 515         case WXK_ESCAPE:
 516             m_data.m_window->SetSize(m_data.m_rectOrig);
 517             m_data.m_evtLoop->Exit();
 518             return;
 519         case WXK_RETURN:
 520             m_data.m_evtLoop->Exit();
 521             return;
 522     }
 523
 524     if ( diff.x != wxDefaultCoord )
 525     {
 526         if ( m_data.m_flags & wxINTERACTIVE_WAIT_FOR_INPUT )
 527         {
 528             m_data.m_flags &= ~wxINTERACTIVE_WAIT_FOR_INPUT;
 529             if ( m_data.m_sizingCursor )
 530             {
 531                 wxEndBusyCursor();
 532                 m_data.m_sizingCursor = false;
 533             }
 534
 535             if ( m_data.m_flags & wxINTERACTIVE_MOVE )
 536             {
 537                 m_data.m_pos = m_data.m_window->GetPosition() +
 538                                wxPoint(m_data.m_window->GetSize().x/2, 8);
 539             }
 540         }
 541
 542         wxPoint warp;
 543         bool changeCur = false;
 544
 545         if ( m_data.m_flags & wxINTERACTIVE_MOVE )
 546         {
 547             m_data.m_rect.Offset(diff);
 548             m_data.m_window->Move(m_data.m_rect.GetPosition());
 549             warp = wxPoint(m_data.m_window->GetSize().x/2, 8);
 550         }
 551         else /* wxINTERACTIVE_RESIZE */
 552         {
 553             if ( !(m_data.m_flags &
 554                   (wxINTERACTIVE_RESIZE_N | wxINTERACTIVE_RESIZE_S)) )
 555             {
 556                 if ( diff.y < 0 )
 557                 {
 558                     m_data.m_flags |= wxINTERACTIVE_RESIZE_N;
 559                     m_data.m_pos.y = m_data.m_window->GetPosition().y;
 560                     changeCur = true;
 561                 }
 562                 else if ( diff.y > 0 )
 563                 {
 564                     m_data.m_flags |= wxINTERACTIVE_RESIZE_S;
 565                     m_data.m_pos.y = m_data.m_window->GetPosition().y +
 566                                      m_data.m_window->GetSize().y;
 567                     changeCur = true;
 568                 }
 569             }
 570             if ( !(m_data.m_flags &
 571                   (wxINTERACTIVE_RESIZE_W | wxINTERACTIVE_RESIZE_E)) )
 572             {
 573                 if ( diff.x < 0 )
 574                 {
 575                     m_data.m_flags |= wxINTERACTIVE_RESIZE_W;
 576                     m_data.m_pos.x = m_data.m_window->GetPosition().x;
 577                     changeCur = true;
 578                 }
 579                 else if ( diff.x > 0 )
 580                 {
 581                     m_data.m_flags |= wxINTERACTIVE_RESIZE_E;
 582                     m_data.m_pos.x = m_data.m_window->GetPosition().x +
 583                                      m_data.m_window->GetSize().x;
 584                     changeCur = true;
 585                 }
 586             }
 587
 588             wxApplyResize(m_data, diff);
 589             m_data.m_window->SetSize(m_data.m_rect);
 590
 591             if ( m_data.m_flags & wxINTERACTIVE_RESIZE_W )
 592                 warp.x = 0;
 593             else if ( m_data.m_flags & wxINTERACTIVE_RESIZE_E )
 594                 warp.x = m_data.m_window->GetSize().x-1;
 595             else
 596                 warp.x = wxGetMousePosition().x - m_data.m_window->GetPosition().x;
 597
 598             if ( m_data.m_flags & wxINTERACTIVE_RESIZE_N )
 599                 warp.y = 0;
 600             else if ( m_data.m_flags & wxINTERACTIVE_RESIZE_S )
 601                 warp.y = m_data.m_window->GetSize().y-1;
 602             else
 603                 warp.y = wxGetMousePosition().y - m_data.m_window->GetPosition().y;
 604         }
 605
 606         warp -= m_data.m_window->GetClientAreaOrigin();
 607         m_data.m_window->WarpPointer(warp.x, warp.y);
 608
 609         if ( changeCur )
 610         {
 611             long hit = m_data.m_window->HitTest(warp);
 612             wxCursor cur;
 613             if ( wxGetResizingCursor(hit, cur) )
 614             {
 615                 if ( m_data.m_sizingCursor )
 616                     wxEndBusyCursor();
 617                 wxBeginBusyCursor(&cur);
 618                 m_data.m_sizingCursor = true;
 619             }
 620         }
 621     }
 622 }
 623
 624 void wxInteractiveMoveHandler::OnMouseUp(wxMouseEvent& WXUNUSED(event))
 625 {
 626     m_data.m_evtLoop->Exit();
 627 }
 628
 629
 630 void wxTopLevelWindow::InteractiveMove(int flags)
 631 {
 632     wxASSERT_MSG( !((flags & wxINTERACTIVE_MOVE) && (flags & wxINTERACTIVE_RESIZE)),
 633                   wxT("can't move and resize window at the same time") );
 634
 635     wxASSERT_MSG( !(flags & wxINTERACTIVE_RESIZE) ||
 636                   (flags & wxINTERACTIVE_WAIT_FOR_INPUT) ||
 637                   (flags & wxINTERACTIVE_RESIZE_DIR),
 638                   wxT("direction of resizing not specified") );
 639
 640     wxInteractiveMoveData data;
 641     wxEventLoop loop;
 642
 643     SetFocus();
 644
 645 #ifndef __WXGTK__
 646     if ( flags & wxINTERACTIVE_WAIT_FOR_INPUT )
 647     {
 648         wxCursor sizingCursor(wxCURSOR_SIZING);
 649         wxBeginBusyCursor(&sizingCursor);
 650         data.m_sizingCursor = true;
 651     }
 652     else
 653 #endif
 654         data.m_sizingCursor = false;
 655
 656     data.m_window = this;
 657     data.m_evtLoop = &loop;
 658     data.m_flags = flags;
 659     data.m_rect = data.m_rectOrig = GetRect();
 660     data.m_pos = wxGetMousePosition();
 661     data.m_minSize = wxSize(GetMinWidth(), GetMinHeight());
 662     data.m_maxSize = wxSize(GetMaxWidth(), GetMaxHeight());
 663
 664     wxEvtHandler *handler = new wxInteractiveMoveHandler(data);
 665     this->PushEventHandler(handler);
 666
 667     CaptureMouse();
 668     loop.Run();
 669     ReleaseMouse();
 670
 671     this->RemoveEventHandler(handler);
 672     delete handler;
 673
 674     if ( data.m_sizingCursor )
 675         wxEndBusyCursor();
 676 }
 677
 678 // ----------------------------------------------------------------------------
 679 // actions
 680 // ----------------------------------------------------------------------------
 681
 682 void wxTopLevelWindow::ClickTitleBarButton(long button)
 683 {
 684     switch ( button )
 685     {
 686         case wxTOPLEVEL_BUTTON_CLOSE:
 687             Close();
 688             break;
 689
 690         case wxTOPLEVEL_BUTTON_ICONIZE:
 691             Iconize();
 692             break;
 693
 694         case wxTOPLEVEL_BUTTON_MAXIMIZE:
 695             Maximize();
 696             break;
 697
 698         case wxTOPLEVEL_BUTTON_RESTORE:
 699             Restore();
 700             break;
 701
 702         case wxTOPLEVEL_BUTTON_HELP:
 703 #if wxUSE_HELP
 704             {
 705             wxContextHelp contextHelp(this);
 706             }
 707 #endif
 708             break;
 709
 710         default:
 711             wxFAIL_MSG(wxT("incorrect button specification"));
 712     }
 713 }
 714
 715 bool wxTopLevelWindow::PerformAction(const wxControlAction& action,
 716                                      long numArg,
 717                                      const wxString& WXUNUSED(strArg))
 718 {
 719     bool isActive = numArg != 0;
 720
 721     if ( action == wxACTION_TOPLEVEL_ACTIVATE )
 722     {
 723         if ( m_isActive != isActive )
 724         {
 725             m_isActive = isActive;
 726             RefreshTitleBar();
 727         }
 728         return true;
 729     }
 730
 731     else if ( action == wxACTION_TOPLEVEL_BUTTON_PRESS )
 732     {
 733         m_pressedButton = numArg;
 734         RefreshTitleBar();
 735         return true;
 736     }
 737
 738     else if ( action == wxACTION_TOPLEVEL_BUTTON_RELEASE )
 739     {
 740         m_pressedButton = 0;
 741         RefreshTitleBar();
 742         return true;
 743     }
 744
 745     else if ( action == wxACTION_TOPLEVEL_BUTTON_CLICK )
 746     {
 747         m_pressedButton = 0;
 748         RefreshTitleBar();
 749         ClickTitleBarButton(numArg);
 750         return true;
 751     }
 752
 753     else if ( action == wxACTION_TOPLEVEL_MOVE )
 754     {
 755         InteractiveMove(wxINTERACTIVE_MOVE);
 756         return true;
 757     }
 758
 759     else if ( action == wxACTION_TOPLEVEL_RESIZE )
 760     {
 761         int flags = wxINTERACTIVE_RESIZE;
 762         if ( numArg & wxHT_TOPLEVEL_BORDER_N )
 763             flags |= wxINTERACTIVE_RESIZE_N;
 764         if ( numArg & wxHT_TOPLEVEL_BORDER_S )
 765             flags |= wxINTERACTIVE_RESIZE_S;
 766         if ( numArg & wxHT_TOPLEVEL_BORDER_W )
 767             flags |= wxINTERACTIVE_RESIZE_W;
 768         if ( numArg & wxHT_TOPLEVEL_BORDER_E )
 769             flags |= wxINTERACTIVE_RESIZE_E;
 770         InteractiveMove(flags);
 771         return true;
 772     }
 773
 774     else
 775         return false;
 776 }
 777
 778 void wxTopLevelWindow::OnSystemMenu(wxCommandEvent& event)
 779 {
 780     bool ret = true;
 781
 782     switch (event.GetId())
 783     {
 784         case wxID_CLOSE_FRAME:
 785             ret = PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK,
 786                                 wxTOPLEVEL_BUTTON_CLOSE);
 787             break;
 788         case wxID_MOVE_FRAME:
 789             InteractiveMove(wxINTERACTIVE_MOVE | wxINTERACTIVE_WAIT_FOR_INPUT);
 790             break;
 791         case wxID_RESIZE_FRAME:
 792             InteractiveMove(wxINTERACTIVE_RESIZE | wxINTERACTIVE_WAIT_FOR_INPUT);
 793             break;
 794         case wxID_MAXIMIZE_FRAME:
 795             ret = PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK,
 796                                 wxTOPLEVEL_BUTTON_MAXIMIZE);
 797             break;
 798         case wxID_ICONIZE_FRAME:
 799             ret = PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK,
 800                                 wxTOPLEVEL_BUTTON_ICONIZE);
 801             break;
 802         case wxID_RESTORE_FRAME:
 803             ret = PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK,
 804                                 wxTOPLEVEL_BUTTON_RESTORE);
 805             break;
 806
 807         default:
 808             ret = false;
 809     }
 810
 811     if ( !ret )
 812         event.Skip();
 813 }
 814
 815 /* static */
 816 wxInputHandler *
 817 wxTopLevelWindow::GetStdInputHandler(wxInputHandler *handlerDef)
 818 {
 819     static wxStdTLWInputHandler s_handler(handlerDef);
 820
 821     return &s_handler;
 822 }
 823
 824 // ============================================================================
 825 // wxStdTLWInputHandler: handles focus, resizing and titlebar buttons clicks
 826 // ============================================================================
 827
 828 wxStdTLWInputHandler::wxStdTLWInputHandler(wxInputHandler *inphand)
 829                     : wxStdInputHandler(inphand)
 830 {
 831     m_winCapture = NULL;
 832     m_winHitTest = 0;
 833     m_winPressed = 0;
 834     m_borderCursorOn = false;
 835 }
 836
 837 bool wxStdTLWInputHandler::HandleMouse(wxInputConsumer *consumer,
 838                                        const wxMouseEvent& event)
 839 {
 840     // the button has 2 states: pressed and normal with the following
 841     // transitions between them:
 842     //
 843     //      normal -> left down -> capture mouse and go to pressed state
 844     //      pressed -> left up inside -> generate click -> go to normal
 845     //                         outside ------------------>
 846     //
 847     // the other mouse buttons are ignored
 848     if ( event.Button(1) )
 849     {
 850         if ( event.ButtonDown(1) )
 851         {
 852             wxTopLevelWindow *w = wxStaticCast(consumer->GetInputWindow(), wxTopLevelWindow);
 853             long hit = w->HitTest(event.GetPosition());
 854
 855             if ( hit & wxHT_TOPLEVEL_ANY_BUTTON )
 856             {
 857                 m_winCapture = w;
 858                 m_winCapture->CaptureMouse();
 859                 m_winHitTest = hit;
 860                 m_winPressed = hit;
 861                 consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_PRESS, m_winPressed);
 862                 return true;
 863             }
 864             else if ( (hit & wxHT_TOPLEVEL_TITLEBAR) && !w->IsMaximized() )
 865             {
 866                 consumer->PerformAction(wxACTION_TOPLEVEL_MOVE);
 867                 return true;
 868             }
 869             else if ( (consumer->GetInputWindow()->GetWindowStyle() & wxRESIZE_BORDER)
 870                       && (hit & wxHT_TOPLEVEL_ANY_BORDER) )
 871             {
 872                 consumer->PerformAction(wxACTION_TOPLEVEL_RESIZE, hit);
 873                 return true;
 874             }
 875         }
 876
 877         else // up
 878         {
 879             if ( m_winCapture )
 880             {
 881                 m_winCapture->ReleaseMouse();
 882                 m_winCapture = NULL;
 883
 884                 if ( m_winHitTest == m_winPressed )
 885                 {
 886                     consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK, m_winPressed);
 887                     return true;
 888                 }
 889             }
 890             //else: the mouse was released outside the window, this doesn't
 891             //      count as a click
 892         }
 893     }
 894
 895     return wxStdInputHandler::HandleMouse(consumer, event);
 896 }
 897
 898 bool wxStdTLWInputHandler::HandleMouseMove(wxInputConsumer *consumer,
 899                                            const wxMouseEvent& event)
 900 {
 901     if ( event.GetEventObject() == m_winCapture )
 902     {
 903         long hit = m_winCapture->HitTest(event.GetPosition());
 904
 905         if ( hit != m_winHitTest )
 906         {
 907             if ( hit != m_winPressed )
 908                 consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_RELEASE, m_winPressed);
 909             else
 910                 consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_PRESS, m_winPressed);
 911
 912             m_winHitTest = hit;
 913             return true;
 914         }
 915     }
 916     else if ( consumer->GetInputWindow()->GetWindowStyle() & wxRESIZE_BORDER )
 917     {
 918         wxTopLevelWindow *win = wxStaticCast(consumer->GetInputWindow(),
 919                                              wxTopLevelWindow);
 920         long hit = win->HitTest(event.GetPosition());
 921
 922         if ( hit != m_winHitTest )
 923         {
 924             m_winHitTest = hit;
 925
 926             if ( m_borderCursorOn )
 927             {
 928                 m_borderCursorOn = false;
 929                 win->SetCursor(m_origCursor);
 930             }
 931
 932             if ( hit & wxHT_TOPLEVEL_ANY_BORDER )
 933             {
 934                 wxCursor cur;
 935
 936                 m_borderCursorOn = wxGetResizingCursor(hit, cur);
 937                 if ( m_borderCursorOn )
 938                 {
 939                     m_origCursor = win->GetCursor();
 940                     win->SetCursor(cur);
 941                 }
 942             }
 943         }
 944     }
 945
 946     return wxStdInputHandler::HandleMouseMove(consumer, event);
 947 }
 948
 949 bool wxStdTLWInputHandler::HandleActivation(wxInputConsumer *consumer,
 950                                             bool activated)
 951 {
 952     if ( m_borderCursorOn )
 953     {
 954         consumer->GetInputWindow()->SetCursor(m_origCursor);
 955         m_borderCursorOn = false;
 956     }
 957     consumer->PerformAction(wxACTION_TOPLEVEL_ACTIVATE, activated);
 958     return false;
 959 }