src/msw/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "frame.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/frame.h"
  33     #include "wx/app.h"
  34     #include "wx/menu.h"
  35     #include "wx/utils.h"
  36     #include "wx/dialog.h"
  37     #include "wx/settings.h"
  38     #include "wx/dcclient.h"
  39     #include "wx/mdi.h"
  40     #include "wx/panel.h"
  41 #endif // WX_PRECOMP
  42
  43 #include "wx/msw/private.h"
  44
  45 #ifdef __WXWINCE__
  46 #include <commctrl.h>
  47 #endif
  48
  49 #if wxUSE_STATUSBAR
  50     #include "wx/statusbr.h"
  51     #include "wx/generic/statusbr.h"
  52 #endif // wxUSE_STATUSBAR
  53
  54 #if wxUSE_TOOLBAR
  55     #include "wx/toolbar.h"
  56 #endif // wxUSE_TOOLBAR
  57
  58 #include "wx/menuitem.h"
  59 #include "wx/log.h"
  60
  61 #ifdef __WXUNIVERSAL__
  62     #include "wx/univ/theme.h"
  63     #include "wx/univ/colschem.h"
  64 #endif // __WXUNIVERSAL__
  65
  66 // ----------------------------------------------------------------------------
  67 // globals
  68 // ----------------------------------------------------------------------------
  69
  70 #if wxUSE_MENUS_NATIVE
  71     extern wxMenu *wxCurrentPopupMenu;
  72 #endif // wxUSE_MENUS_NATIVE
  73
  74 // ----------------------------------------------------------------------------
  75 // event tables
  76 // ----------------------------------------------------------------------------
  77
  78 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  79     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  80 END_EVENT_TABLE()
  81
  82 #if wxUSE_EXTENDED_RTTI
  83 WX_DEFINE_FLAGS( wxFrameStyle )
  84
  85 wxBEGIN_FLAGS( wxFrameStyle )
  86     // new style border flags, we put them first to
  87     // use them for streaming out
  88     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  89     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  90     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  91     wxFLAGS_MEMBER(wxBORDER_RAISED)
  92     wxFLAGS_MEMBER(wxBORDER_STATIC)
  93     wxFLAGS_MEMBER(wxBORDER_NONE)
  94
  95     // old style border flags
  96     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  97     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  98     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  99     wxFLAGS_MEMBER(wxRAISED_BORDER)
 100     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 101     wxFLAGS_MEMBER(wxBORDER)
 102
 103     // standard window styles
 104     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 105     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 106     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 107     wxFLAGS_MEMBER(wxWANTS_CHARS)
 108     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 109     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 110     wxFLAGS_MEMBER(wxVSCROLL)
 111     wxFLAGS_MEMBER(wxHSCROLL)
 112
 113     // frame styles
 114     wxFLAGS_MEMBER(wxSTAY_ON_TOP)
 115     wxFLAGS_MEMBER(wxCAPTION)
 116     wxFLAGS_MEMBER(wxTHICK_FRAME)
 117     wxFLAGS_MEMBER(wxSYSTEM_MENU)
 118     wxFLAGS_MEMBER(wxRESIZE_BORDER)
 119     wxFLAGS_MEMBER(wxRESIZE_BOX)
 120     wxFLAGS_MEMBER(wxCLOSE_BOX)
 121     wxFLAGS_MEMBER(wxMAXIMIZE_BOX)
 122     wxFLAGS_MEMBER(wxMINIMIZE_BOX)
 123
 124     wxFLAGS_MEMBER(wxFRAME_TOOL_WINDOW)
 125     wxFLAGS_MEMBER(wxFRAME_FLOAT_ON_PARENT)
 126
 127     wxFLAGS_MEMBER(wxFRAME_SHAPED)
 128
 129 wxEND_FLAGS( wxFrameStyle )
 130
 131 IMPLEMENT_DYNAMIC_CLASS_XTI(wxFrame, wxTopLevelWindow,"wx/frame.h")
 132
 133 wxBEGIN_PROPERTIES_TABLE(wxFrame)
 134     wxEVENT_PROPERTY( Menu , wxEVT_COMMAND_MENU_SELECTED , wxCommandEvent)
 135
 136     wxPROPERTY( Title,wxString, SetTitle, GetTitle, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 137     wxPROPERTY_FLAGS( WindowStyle , wxFrameStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 138     wxPROPERTY( MenuBar , wxMenuBar * , SetMenuBar , GetMenuBar , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 139 wxEND_PROPERTIES_TABLE()
 140
 141 wxBEGIN_HANDLERS_TABLE(wxFrame)
 142 wxEND_HANDLERS_TABLE()
 143
 144 wxCONSTRUCTOR_6( wxFrame , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
 145
 146 #else
 147 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
 148 #endif
 149
 150 // ============================================================================
 151 // implementation
 152 // ============================================================================
 153
 154 // ----------------------------------------------------------------------------
 155 // static class members
 156 // ----------------------------------------------------------------------------
 157
 158 #if wxUSE_STATUSBAR
 159     #if wxUSE_NATIVE_STATUSBAR
 160         bool wxFrame::m_useNativeStatusBar = true;
 161     #else
 162         bool wxFrame::m_useNativeStatusBar = false;
 163     #endif
 164 #endif // wxUSE_NATIVE_STATUSBAR
 165
 166 // ----------------------------------------------------------------------------
 167 // creation/destruction
 168 // ----------------------------------------------------------------------------
 169
 170 void wxFrame::Init()
 171 {
 172 #if wxUSE_MENUS
 173     m_hMenu = NULL;
 174 #endif // wxUSE_MENUS
 175
 176 #if wxUSE_TOOLTIPS
 177     m_hwndToolTip = 0;
 178 #endif
 179
 180     m_wasMinimized = false;
 181 }
 182
 183 bool wxFrame::Create(wxWindow *parent,
 184                      wxWindowID id,
 185                      const wxString& title,
 186                      const wxPoint& pos,
 187                      const wxSize& size,
 188                      long style,
 189                      const wxString& name)
 190 {
 191     if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
 192         return false;
 193
 194     SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 195
 196 #if defined(__SMARTPHONE__)
 197     SetLeftMenu(wxID_EXIT, _("Done"));
 198 #endif
 199
 200 #if defined(__POCKETPC__)
 201     // The guidelines state that Ctrl+Q should quit the app.
 202     // Let's define an accelerator table to send wxID_EXIT.
 203     wxAcceleratorEntry entries[1];
 204     entries[0].Set(wxACCEL_CTRL,   'Q',         wxID_EXIT);
 205     wxAcceleratorTable accel(1, entries);
 206     SetAcceleratorTable(accel);
 207 #endif
 208
 209     return true;
 210 }
 211
 212 wxFrame::~wxFrame()
 213 {
 214     m_isBeingDeleted = true;
 215     DeleteAllBars();
 216 }
 217
 218 // ----------------------------------------------------------------------------
 219 // wxFrame client size calculations
 220 // ----------------------------------------------------------------------------
 221
 222 void wxFrame::DoSetClientSize(int width, int height)
 223 {
 224     // leave enough space for the status bar if we have (and show) it
 225 #if wxUSE_STATUSBAR
 226     wxStatusBar *statbar = GetStatusBar();
 227     if ( statbar && statbar->IsShown() )
 228     {
 229         height += statbar->GetSize().y;
 230     }
 231 #endif // wxUSE_STATUSBAR
 232
 233     // call GetClientAreaOrigin() to take the toolbar into account
 234     wxPoint pt = GetClientAreaOrigin();
 235     width += pt.x;
 236     height += pt.y;
 237
 238     wxTopLevelWindow::DoSetClientSize(width, height);
 239 }
 240
 241 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 242 void wxFrame::DoGetClientSize(int *x, int *y) const
 243 {
 244     wxTopLevelWindow::DoGetClientSize(x, y);
 245
 246     // account for the possible toolbar
 247     wxPoint pt = GetClientAreaOrigin();
 248     if ( x )
 249         *x -= pt.x;
 250
 251     if ( y )
 252         *y -= pt.y;
 253
 254 #if wxUSE_STATUSBAR
 255     // adjust client area height to take the status bar into account
 256     if ( y )
 257     {
 258         wxStatusBar *statbar = GetStatusBar();
 259         if ( statbar && statbar->IsShown() )
 260         {
 261             *y -= statbar->GetClientSize().y;
 262         }
 263     }
 264 #endif // wxUSE_STATUSBAR
 265 }
 266
 267 // ----------------------------------------------------------------------------
 268 // wxFrame: various geometry-related functions
 269 // ----------------------------------------------------------------------------
 270
 271 void wxFrame::Raise()
 272 {
 273     ::SetForegroundWindow(GetHwnd());
 274 }
 275
 276 // generate an artificial resize event
 277 void wxFrame::SendSizeEvent()
 278 {
 279     if ( !m_iconized )
 280     {
 281         RECT r = wxGetWindowRect(GetHwnd());
 282
 283         (void)::PostMessage(GetHwnd(), WM_SIZE,
 284                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 285                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 286     }
 287 }
 288
 289 #if wxUSE_STATUSBAR
 290 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 291                                         long style,
 292                                         wxWindowID id,
 293                                         const wxString& name)
 294 {
 295     wxStatusBar *statusBar wxDUMMY_INITIALIZE(NULL);
 296
 297 #if wxUSE_NATIVE_STATUSBAR
 298     if ( !UsesNativeStatusBar() )
 299     {
 300         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 301     }
 302     else
 303 #endif
 304     {
 305         statusBar = new wxStatusBar(this, id, style, name);
 306     }
 307
 308     statusBar->SetFieldsCount(number);
 309
 310     return statusBar;
 311 }
 312
 313 void wxFrame::PositionStatusBar()
 314 {
 315     if ( !m_frameStatusBar || !m_frameStatusBar->IsShown() )
 316         return;
 317
 318     int w, h;
 319     GetClientSize(&w, &h);
 320     int sw, sh;
 321     m_frameStatusBar->GetSize(&sw, &sh);
 322
 323     // Since we wish the status bar to be directly under the client area,
 324     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 325     m_frameStatusBar->SetSize(0, h, w, sh);
 326 }
 327 #endif // wxUSE_STATUSBAR
 328
 329 #if wxUSE_MENUS_NATIVE
 330
 331 void wxFrame::AttachMenuBar(wxMenuBar *menubar)
 332 {
 333 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 334
 335     wxMenu *autoMenu = NULL;
 336
 337     if( menubar->GetMenuCount() == 1 )
 338     {
 339         autoMenu = wxTopLevelWindowMSW::ButtonMenu::DuplicateMenu(menubar->GetMenu(0));
 340         SetRightMenu(wxID_ANY, menubar->GetLabelTop(0), autoMenu);
 341     }
 342     else
 343     {
 344         autoMenu = new wxMenu;
 345
 346         for( size_t n = 0; n < menubar->GetMenuCount(); n++ )
 347         {
 348             wxMenu *item = menubar->GetMenu(n);
 349             wxString label = menubar->GetLabelTop(n);
 350             wxMenu *new_item = wxTopLevelWindowMSW::ButtonMenu::DuplicateMenu(item);
 351             autoMenu->Append(wxID_ANY, label, new_item);
 352         }
 353
 354         SetRightMenu(wxID_ANY, _("Menu"), autoMenu);
 355     }
 356
 357 #elif defined(WINCE_WITHOUT_COMMANDBAR)
 358     if (!GetToolBar())
 359     {
 360         wxToolBar* toolBar = new wxToolBar(this, wxID_ANY,
 361                          wxDefaultPosition, wxDefaultSize,
 362                          wxBORDER_NONE | wxTB_HORIZONTAL,
 363                          wxToolBarNameStr, menubar);
 364         SetToolBar(toolBar);
 365         menubar->SetToolBar(toolBar);
 366     }
 367     // Now adjust size for menu bar
 368     int menuHeight = 26;
 369
 370     //When the main window is created using CW_USEDEFAULT the height of the
 371     // is created is not taken into account). So we resize the window after
 372     // if a menubar is present
 373     {
 374         RECT rc;
 375         ::GetWindowRect((HWND) GetHWND(), &rc);
 376         // adjust for menu / titlebar height
 377         rc.bottom -= (2*menuHeight-1);
 378
 379         ::MoveWindow((HWND) GetHWND(), rc.left, rc.top, rc.right, rc.bottom, FALSE);
 380     }
 381 #endif
 382
 383     wxFrameBase::AttachMenuBar(menubar);
 384
 385     if ( !menubar )
 386     {
 387         // actually remove the menu from the frame
 388         m_hMenu = (WXHMENU)0;
 389         InternalSetMenuBar();
 390     }
 391     else // set new non NULL menu bar
 392     {
 393 #if !defined(__WXWINCE__) || defined(WINCE_WITH_COMMANDBAR)
 394         // Can set a menubar several times.
 395         if ( menubar->GetHMenu() )
 396         {
 397             m_hMenu = menubar->GetHMenu();
 398         }
 399         else // no HMENU yet
 400         {
 401             m_hMenu = menubar->Create();
 402
 403             if ( !m_hMenu )
 404             {
 405                 wxFAIL_MSG( _T("failed to create menu bar") );
 406                 return;
 407             }
 408         }
 409 #endif
 410         InternalSetMenuBar();
 411     }
 412 }
 413
 414 void wxFrame::InternalSetMenuBar()
 415 {
 416 #if defined(__WXMICROWIN__) || defined(__WXWINCE__)
 417     // Nothing
 418 #else
 419     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 420     {
 421         wxLogLastError(wxT("SetMenu"));
 422     }
 423 #endif
 424 }
 425
 426 #endif // wxUSE_MENUS_NATIVE
 427
 428 // Responds to colour changes, and passes event on to children.
 429 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 430 {
 431     SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 432     Refresh();
 433
 434 #if wxUSE_STATUSBAR
 435     if ( m_frameStatusBar )
 436     {
 437         wxSysColourChangedEvent event2;
 438         event2.SetEventObject( m_frameStatusBar );
 439         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 440     }
 441 #endif // wxUSE_STATUSBAR
 442
 443     // Propagate the event to the non-top-level children
 444     wxWindow::OnSysColourChanged(event);
 445 }
 446
 447 // Pass true to show full screen, false to restore.
 448 bool wxFrame::ShowFullScreen(bool show, long style)
 449 {
 450     // TODO-CE: add support for CE
 451 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 452     if ( IsFullScreen() == show )
 453         return false;
 454
 455     if (show)
 456     {
 457         // zap the toolbar, menubar, and statusbar if needed
 458         //
 459         // TODO: hide commandbar for WINCE_WITH_COMMANDBAR
 460 #if wxUSE_TOOLBAR
 461         wxToolBar *theToolBar = GetToolBar();
 462
 463         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 464         {
 465             if ( theToolBar->IsShown() )
 466             {
 467                 theToolBar->SetSize(wxDefaultCoord,0);
 468                 theToolBar->Show(false);
 469             }
 470             else // prevent it from being restored later
 471             {
 472                 style &= ~wxFULLSCREEN_NOTOOLBAR;
 473             }
 474         }
 475 #endif // wxUSE_TOOLBAR
 476
 477         if (style & wxFULLSCREEN_NOMENUBAR)
 478             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 479
 480 #if wxUSE_STATUSBAR
 481         wxStatusBar *theStatusBar = GetStatusBar();
 482
 483         // Save the number of fields in the statusbar
 484         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 485         {
 486             if ( theStatusBar->IsShown() )
 487                 theStatusBar->Show(false);
 488             else
 489                 style &= ~wxFULLSCREEN_NOSTATUSBAR;
 490         }
 491 #endif // wxUSE_STATUSBAR
 492     }
 493     else // restore to normal
 494     {
 495         // restore the toolbar, menubar, and statusbar if we had hid them
 496 #if wxUSE_TOOLBAR
 497         wxToolBar *theToolBar = GetToolBar();
 498
 499         if ((m_fsStyle & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 500         {
 501             theToolBar->Show(true);
 502         }
 503 #endif // wxUSE_TOOLBAR
 504
 505         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && m_hMenu)
 506             ::SetMenu(GetHwnd(), (HMENU)m_hMenu);
 507
 508 #if wxUSE_STATUSBAR
 509         wxStatusBar *theStatusBar = GetStatusBar();
 510
 511         if ((m_fsStyle & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 512         {
 513             theStatusBar->Show(true);
 514             PositionStatusBar();
 515         }
 516 #endif // wxUSE_STATUSBAR
 517     }
 518 #endif // !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 519
 520     return wxFrameBase::ShowFullScreen(show, style);
 521 }
 522
 523 // ----------------------------------------------------------------------------
 524 // tool/status bar stuff
 525 // ----------------------------------------------------------------------------
 526
 527 #if wxUSE_TOOLBAR
 528
 529 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 530 {
 531 #if defined(WINCE_WITHOUT_COMMANDBAR)
 532     // We may already have a toolbar from calling SetMenuBar.
 533     if (GetToolBar())
 534         return GetToolBar();
 535 #endif
 536     if ( wxFrameBase::CreateToolBar(style, id, name) )
 537     {
 538         PositionToolBar();
 539     }
 540
 541     return m_frameToolBar;
 542 }
 543
 544 void wxFrame::PositionToolBar()
 545 {
 546     wxToolBar *toolbar = GetToolBar();
 547     if ( toolbar && toolbar->IsShown() )
 548     {
 549 #if defined(WINCE_WITHOUT_COMMANDBAR)
 550         // We want to do something different in WinCE, because
 551         // the toolbar should be associated with the commandbar,
 552         // and not an independent window.
 553         // TODO
 554 #else
 555         // don't call our (or even wxTopLevelWindow) version because we want
 556         // the real (full) client area size, not excluding the tool/status bar
 557         int width, height;
 558         wxWindow::DoGetClientSize(&width, &height);
 559
 560 #if wxUSE_STATUSBAR
 561         wxStatusBar *statbar = GetStatusBar();
 562         if ( statbar && statbar->IsShown() )
 563         {
 564             height -= statbar->GetClientSize().y;
 565         }
 566 #endif // wxUSE_STATUSBAR
 567
 568         int x = 0;
 569         int y = 0;
 570 #if defined(WINCE_WITH_COMMANDBAR)
 571         // We're using a commandbar - so we have to allow for it.
 572         if (GetMenuBar() && GetMenuBar()->GetCommandBar())
 573         {
 574             RECT rect;
 575             ::GetWindowRect((HWND) GetMenuBar()->GetCommandBar(), &rect);
 576             y = rect.bottom - rect.top;
 577         }
 578 #endif
 579
 580         int tx, ty;
 581         int tw, th;
 582         toolbar->GetPosition(&tx, &ty);
 583         toolbar->GetSize(&tw, &th);
 584
 585         // Adjust
 586         if (ty < 0 && (-ty == th))
 587             ty = 0;
 588         if (tx < 0 && (-tx == tw))
 589             tx = 0;
 590
 591         int desiredW = tw;
 592         int desiredH = th;
 593
 594         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 595         {
 596             desiredH = height;
 597         }
 598         else
 599         {
 600             desiredW = width;
 601 //            if ( toolbar->GetWindowStyleFlag() & wxTB_FLAT )
 602 //                desiredW -= 3;
 603         }
 604
 605         // use the 'real' MSW position here, don't offset relativly to the
 606         // client area origin
 607
 608         // Optimise such that we don't have to always resize the toolbar
 609         // when the frame changes, otherwise we'll get a lot of flicker.
 610         bool heightChanging wxDUMMY_INITIALIZE(true);
 611         bool widthChanging wxDUMMY_INITIALIZE(true);
 612
 613         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
 614         {
 615             // It's OK if the current height is greater than what can be shown.
 616             heightChanging = (desiredH > th) ;
 617             widthChanging = (desiredW != tw) ;
 618
 619             // The next time around, we may not have to set the size
 620             if (heightChanging)
 621                 desiredH = desiredH + 200;
 622         }
 623         else
 624         {
 625             // It's OK if the current width is greater than what can be shown.
 626             widthChanging = (desiredW > tw) ;
 627             heightChanging = (desiredH != th) ;
 628
 629             // The next time around, we may not have to set the size
 630             if (widthChanging)
 631                 desiredW = desiredW + 200;
 632         }
 633
 634         if (tx != 0 || ty != 0 || widthChanging || heightChanging)
 635             toolbar->SetSize(x, y, desiredW, desiredH, wxSIZE_NO_ADJUSTMENTS);
 636
 637 #endif // __WXWINCE__
 638     }
 639 }
 640
 641 #endif // wxUSE_TOOLBAR
 642
 643 // ----------------------------------------------------------------------------
 644 // frame state (iconized/maximized/...)
 645 // ----------------------------------------------------------------------------
 646
 647 // propagate our state change to all child frames: this allows us to emulate X
 648 // Windows behaviour where child frames float independently of the parent one
 649 // on the desktop, but are iconized/restored with it
 650 void wxFrame::IconizeChildFrames(bool bIconize)
 651 {
 652     m_iconized = bIconize;
 653
 654     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 655           node;
 656           node = node->GetNext() )
 657     {
 658         wxWindow *win = node->GetData();
 659
 660         // iconizing the frames with this style under Win95 shell puts them at
 661         // the bottom of the screen (as the MDI children) instead of making
 662         // them appear in the taskbar because they are, by virtue of this
 663         // style, not managed by the taskbar - instead leave Windows take care
 664         // of them
 665 #ifdef __WIN95__
 666         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 667             continue;
 668 #endif // Win95
 669
 670         // the child MDI frames are a special case and should not be touched by
 671         // the parent frame - instead, they are managed by the user
 672         wxFrame *frame = wxDynamicCast(win, wxFrame);
 673         if ( frame
 674 #if wxUSE_MDI_ARCHITECTURE
 675                 && !IsMDIChild()
 676 #endif // wxUSE_MDI_ARCHITECTURE
 677            )
 678         {
 679             // we don't want to restore the child frames which had been
 680             // iconized even before we were iconized, so save the child frame
 681             // status when iconizing the parent frame and check it when
 682             // restoring it
 683             if ( bIconize )
 684             {
 685                 frame->m_wasMinimized = frame->IsIconized();
 686             }
 687
 688             // note that we shouldn't touch the hidden frames neither because
 689             // iconizing/restoring them would show them as a side effect
 690             if ( !frame->m_wasMinimized && frame->IsShown() )
 691                 frame->Iconize(bIconize);
 692         }
 693     }
 694 }
 695
 696 WXHICON wxFrame::GetDefaultIcon() const
 697 {
 698     // we don't have any standard icons (any more)
 699     return (WXHICON)0;
 700 }
 701
 702 // ===========================================================================
 703 // message processing
 704 // ===========================================================================
 705
 706 // ---------------------------------------------------------------------------
 707 // preprocessing
 708 // ---------------------------------------------------------------------------
 709
 710 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 711 {
 712     if ( wxWindow::MSWTranslateMessage(pMsg) )
 713         return true;
 714
 715 #if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
 716     // try the menu bar accels
 717     wxMenuBar *menuBar = GetMenuBar();
 718     if ( !menuBar )
 719         return false;
 720
 721     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 722     return acceleratorTable.Translate(this, pMsg);
 723 #else
 724     return false;
 725 #endif // wxUSE_MENUS && wxUSE_ACCEL
 726 }
 727
 728 // ---------------------------------------------------------------------------
 729 // our private (non virtual) message handlers
 730 // ---------------------------------------------------------------------------
 731
 732 bool wxFrame::HandlePaint()
 733 {
 734     RECT rect;
 735     if ( ::GetUpdateRect(GetHwnd(), &rect, FALSE) )
 736     {
 737 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 738         if ( m_iconized )
 739         {
 740             const wxIcon& icon = GetIcon();
 741             HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 742                                     : (HICON)GetDefaultIcon();
 743
 744             // Hold a pointer to the dc so long as the OnPaint() message
 745             // is being processed
 746             PAINTSTRUCT ps;
 747             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 748
 749             // Erase background before painting or we get white background
 750             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 751
 752             if ( hIcon )
 753             {
 754                 RECT rect;
 755                 ::GetClientRect(GetHwnd(), &rect);
 756
 757                 // FIXME: why hardcoded?
 758                 static const int icon_width = 32;
 759                 static const int icon_height = 32;
 760
 761                 int icon_x = (int)((rect.right - icon_width)/2);
 762                 int icon_y = (int)((rect.bottom - icon_height)/2);
 763
 764                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 765             }
 766
 767             ::EndPaint(GetHwnd(), &ps);
 768
 769             return true;
 770         }
 771         else
 772  #endif
 773         {
 774             return wxWindow::HandlePaint();
 775         }
 776     }
 777     else
 778     {
 779         // nothing to paint - processed
 780         return true;
 781     }
 782 }
 783
 784 bool wxFrame::HandleSize(int WXUNUSED(x), int WXUNUSED(y), WXUINT id)
 785 {
 786 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 787     switch ( id )
 788     {
 789         case SIZE_RESTORED:
 790         case SIZE_MAXIMIZED:
 791             // only do it it if we were iconized before, otherwise resizing the
 792             // parent frame has a curious side effect of bringing it under it's
 793             // children
 794             if ( !m_iconized )
 795                 break;
 796
 797             // restore all child frames too
 798             IconizeChildFrames(false);
 799
 800             (void)SendIconizeEvent(false);
 801             break;
 802
 803         case SIZE_MINIMIZED:
 804             // iconize all child frames too
 805             IconizeChildFrames(true);
 806             break;
 807     }
 808 #else
 809     wxUnusedVar(id);
 810 #endif // !__WXWINCE__
 811
 812     if ( !m_iconized )
 813     {
 814 #if wxUSE_STATUSBAR
 815         PositionStatusBar();
 816 #endif // wxUSE_STATUSBAR
 817
 818 #if wxUSE_TOOLBAR
 819         PositionToolBar();
 820 #endif // wxUSE_TOOLBAR
 821
 822 #if defined(WINCE_WITH_COMMANDBAR)
 823         // Position the menu command bar
 824         if (GetMenuBar() && GetMenuBar()->GetCommandBar())
 825         {
 826             RECT rect;
 827             ::GetWindowRect((HWND) GetMenuBar()->GetCommandBar(), &rect);
 828             wxSize clientSz = GetClientSize();
 829
 830             if ( !::MoveWindow((HWND) GetMenuBar()->GetCommandBar(), 0, 0, clientSz.x, rect.bottom - rect.top, true ) )
 831             {
 832                 wxLogLastError(wxT("MoveWindow"));
 833             }
 834
 835         }
 836 #endif // WINCE_WITH_COMMANDBAR
 837     }
 838
 839     // call the base class version to generate the appropriate events
 840     return false;
 841 }
 842
 843 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 844 {
 845     if ( control )
 846     {
 847         // In case it's e.g. a toolbar.
 848         wxWindow *win = wxFindWinFromHandle(control);
 849         if ( win )
 850             return win->MSWCommand(cmd, id);
 851     }
 852
 853     // handle here commands from menus and accelerators
 854     if ( cmd == 0 || cmd == 1 )
 855     {
 856 #if wxUSE_MENUS_NATIVE
 857         if ( wxCurrentPopupMenu )
 858         {
 859             wxMenu *popupMenu = wxCurrentPopupMenu;
 860             wxCurrentPopupMenu = NULL;
 861
 862             return popupMenu->MSWCommand(cmd, id);
 863         }
 864 #endif // wxUSE_MENUS_NATIVE
 865
 866 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 867         // handle here commands from Smartphone menu bar
 868         if ( wxTopLevelWindow::HandleCommand(id, cmd, control ) )
 869         {
 870             return true;
 871         }
 872 #endif // __SMARTPHONE__ && __WXWINCE__
 873
 874         if ( ProcessCommand(id) )
 875         {
 876             return true;
 877         }
 878     }
 879
 880     return false;
 881 }
 882
 883 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 884 {
 885     int item;
 886     if ( flags == 0xFFFF && hMenu == 0 )
 887     {
 888         // menu was removed from screen
 889         item = -1;
 890     }
 891 #ifndef __WXMICROWIN__
 892     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 893     {
 894         item = nItem;
 895     }
 896 #endif
 897     else
 898     {
 899         // don't give hints for separators (doesn't make sense) nor for the
 900         // items opening popup menus (they don't have them anyhow) but do clear
 901         // the status line - otherwise, we would be left with the help message
 902         // for the previous item which doesn't apply any more
 903         DoGiveHelp(wxEmptyString, false);
 904
 905         return false;
 906     }
 907
 908     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 909     event.SetEventObject(this);
 910
 911     return GetEventHandler()->ProcessEvent(event);
 912 }
 913
 914 bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
 915 {
 916     // we don't have the menu id here, so we use the id to specify if the event
 917     // was from a popup menu or a normal one
 918     wxMenuEvent event(evtType, isPopup ? -1 : 0);
 919     event.SetEventObject(this);
 920
 921     return GetEventHandler()->ProcessEvent(event);
 922 }
 923
 924 // ---------------------------------------------------------------------------
 925 // the window proc for wxFrame
 926 // ---------------------------------------------------------------------------
 927
 928 WXLRESULT wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 929 {
 930     WXLRESULT rc = 0;
 931     bool processed = false;
 932
 933     switch ( message )
 934     {
 935         case WM_CLOSE:
 936             // if we can't close, tell the system that we processed the
 937             // message - otherwise it would close us
 938             processed = !Close();
 939             break;
 940
 941         case WM_SIZE:
 942             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 943             break;
 944
 945         case WM_COMMAND:
 946             {
 947                 WORD id, cmd;
 948                 WXHWND hwnd;
 949                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 950                               &id, &hwnd, &cmd);
 951
 952                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 953             }
 954             break;
 955
 956         case WM_PAINT:
 957             processed = HandlePaint();
 958             break;
 959
 960         case WM_INITMENUPOPUP:
 961             processed = HandleInitMenuPopup((WXHMENU) wParam);
 962             break;
 963
 964 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
 965         case WM_MENUSELECT:
 966             {
 967                 WXWORD item, flags;
 968                 WXHMENU hmenu;
 969                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 970
 971                 processed = HandleMenuSelect(item, flags, hmenu);
 972             }
 973             break;
 974
 975         case WM_EXITMENULOOP:
 976             processed = HandleMenuLoop(wxEVT_MENU_CLOSE, (WXWORD)wParam);
 977             break;
 978
 979         case WM_QUERYDRAGICON:
 980             {
 981                 const wxIcon& icon = GetIcon();
 982                 HICON hIcon = icon.Ok() ? GetHiconOf(icon)
 983                                         : (HICON)GetDefaultIcon();
 984                 rc = (long)hIcon;
 985                 processed = rc != 0;
 986             }
 987             break;
 988 #endif // !__WXMICROWIN__
 989     }
 990
 991     if ( !processed )
 992         rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
 993
 994     return rc;
 995 }
 996
 997 // handle WM_INITMENUPOPUP message
 998 bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
 999 {
1000     wxMenu* menu = NULL;
1001     if (GetMenuBar())
1002     {
1003         int nCount = GetMenuBar()->GetMenuCount();
1004         for (int n = 0; n < nCount; n++)
1005         {
1006             if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
1007             {
1008                 menu = GetMenuBar()->GetMenu(n);
1009                 break;
1010             }
1011         }
1012     }
1013
1014     wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
1015     event.SetEventObject(this);
1016
1017     return GetEventHandler()->ProcessEvent(event);
1018 }
1019
1020 // ----------------------------------------------------------------------------
1021 // wxFrame size management: we exclude the areas taken by menu/status/toolbars
1022 // from the client area, so the client area is what's really available for the
1023 // frame contents
1024 // ----------------------------------------------------------------------------
1025
1026 // get the origin of the client area in the client coordinates
1027 wxPoint wxFrame::GetClientAreaOrigin() const
1028 {
1029     wxPoint pt = wxTopLevelWindow::GetClientAreaOrigin();
1030
1031 #if wxUSE_TOOLBAR && !defined(__WXUNIVERSAL__) && \
1032   (!defined(__WXWINCE__) || (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)))
1033     wxToolBar *toolbar = GetToolBar();
1034     if ( toolbar && toolbar->IsShown() )
1035     {
1036         int w, h;
1037         toolbar->GetSize(&w, &h);
1038
1039         if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
1040         {
1041             pt.x += w;
1042         }
1043         else
1044         {
1045             pt.y += h;
1046         }
1047     }
1048 #endif // wxUSE_TOOLBAR
1049
1050 #if defined(WINCE_WITH_COMMANDBAR)
1051     if (GetMenuBar() && GetMenuBar()->GetCommandBar())
1052     {
1053         RECT rect;
1054         ::GetWindowRect((HWND) GetMenuBar()->GetCommandBar(), &rect);
1055         pt.y += (rect.bottom - rect.top);
1056     }
1057 #endif
1058
1059     return pt;
1060 }