src/univ/topluniv.cpp

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