X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b412f9be504e07559a98ae234f30bb1bd0b2aa1f..525d858363f08a3d774b494bd8df19e4ab7c9dc0:/src/motif/dialog.cpp diff --git a/src/motif/dialog.cpp b/src/motif/dialog.cpp index 093cb901fb..55d0b2fbef 100644 --- a/src/motif/dialog.cpp +++ b/src/motif/dialog.cpp @@ -6,19 +6,32 @@ // Created: 17/09/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "dialog.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __VMS +#define XtDisplay XTDISPLAY +#define XtWindow XTWINDOW +#define XtParent XTPARENT +#define XtScreen XTSCREEN +#endif + #include "wx/dialog.h" #include "wx/utils.h" -#include "wx/frame.h" #include "wx/app.h" #include "wx/settings.h" +#include "wx/evtloop.h" +#ifdef __VMS__ +#pragma message disable nosimpint +#endif #include #include @@ -38,35 +51,28 @@ #if XmVersion > 1000 #include #endif +#ifdef __VMS__ +#pragma message enable nosimpint +#endif #include "wx/motif/private.h" -static void wxCloseDialogCallback(Widget widget, XtPointer client_data, XmAnyCallbackStruct *cbs); -static void wxDialogBoxRepaintProc(Widget w, XtPointer c_data, XEvent *event, char *); -static void wxDialogBoxEventHandler (Widget wid, - XtPointer client_data, - XEvent* event, - Boolean *continueToDispatch); - -static void wxUnmapBulletinBoard(Widget dialog, wxDialog *client,XtPointer call); - // A stack of modal_showing flags, since we can't rely // on accessing wxDialog::m_modalShowing within // wxDialog::Show in case a callback has deleted the wxDialog. -static wxList wxModalShowingStack; +// static wxList wxModalShowingStack; // Lists to keep track of windows, so we can disable/enable them // for modal dialogs wxList wxModalDialogs; -wxList wxModelessWindows; // Frames and modeless dialogs +extern wxList wxModelessWindows; // Frames and modeless dialogs extern wxList wxPendingDelete; #define wxUSE_INVISIBLE_RESIZE 1 -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel) +IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow) -BEGIN_EVENT_TABLE(wxDialog, wxPanel) +BEGIN_EVENT_TABLE(wxDialog, wxTopLevelWindow) EVT_BUTTON(wxID_OK, wxDialog::OnOK) EVT_BUTTON(wxID_APPLY, wxDialog::OnApply) EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel) @@ -75,150 +81,57 @@ BEGIN_EVENT_TABLE(wxDialog, wxPanel) EVT_CLOSE(wxDialog::OnCloseWindow) END_EVENT_TABLE() -#endif wxDialog::wxDialog() { m_modalShowing = FALSE; - m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); + m_eventLoop = NULL; + m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); } bool wxDialog::Create(wxWindow *parent, wxWindowID id, - const wxString& title, - const wxPoint& pos, - const wxSize& size, - long style, - const wxString& name) + const wxString& title, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) { - m_windowStyle = style; - m_modalShowing = FALSE; - m_dialogTitle = title; - - m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); - m_foregroundColour = *wxBLACK; + SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); - SetName(name); - - if (!parent) - wxTopLevelWindows.Append(this); - - if (parent) parent->AddChild(this); - - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; - - Widget parentWidget = (Widget) 0; - if (parent) - parentWidget = (Widget) parent->GetTopWidget(); - if (!parent) - parentWidget = (Widget) wxTheApp->GetTopLevelWidget(); - - wxASSERT_MSG( (parentWidget != (Widget) 0), "Could not find a suitable parent shell for dialog." ); + if( !wxTopLevelWindow::Create( parent, id, title, pos, size, style, + name ) ) + return FALSE; - Arg args[2]; - XtSetArg (args[0], XmNdefaultPosition, False); - XtSetArg (args[1], XmNautoUnmanage, False); - Widget dialogShell = XmCreateBulletinBoardDialog(parentWidget, (char*) (const char*) name, args, 2); - m_mainWidget = (WXWidget) dialogShell; + m_modalShowing = FALSE; + m_eventLoop = NULL; - // We don't want margins, since there is enough elsewhere. - XtVaSetValues(dialogShell, - XmNmarginHeight, 0, - XmNmarginWidth, 0, - XmNresizePolicy, XmRESIZE_NONE, - NULL) ; + m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); + m_foregroundColour = *wxBLACK; + Widget dialogShell = (Widget) m_mainWidget; Widget shell = XtParent(dialogShell) ; - if (!title.IsNull()) - { - XmString str = XmStringCreateSimple((char*) (const char*)title); - XtVaSetValues(dialogShell, - XmNdialogTitle, str, - NULL); - XmStringFree(str); - } - - m_windowFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT); - ChangeFont(FALSE); - wxAddWindowToTable(dialogShell, this); + SetTitle( title ); - // Intercept CLOSE messages from the window manager - Atom WM_DELETE_WINDOW = XmInternAtom(XtDisplay(shell), "WM_DELETE_WINDOW", False); - - /* Remove and add WM_DELETE_WINDOW so ours is only handler */ - /* Why do we have to do this for wxDialog, but not wxFrame? */ - XmRemoveWMProtocols(shell, &WM_DELETE_WINDOW, 1); - XmAddWMProtocols(shell, &WM_DELETE_WINDOW, 1); - XmActivateWMProtocol(shell, WM_DELETE_WINDOW); - - // Modified Steve Hammes for Motif 2.0 -#if (XmREVISION > 1 || XmVERSION > 1) - XmAddWMProtocolCallback(shell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseDialogCallback, (XtPointer)this); -#elif XmREVISION == 1 - XmAddWMProtocolCallback(shell, WM_DELETE_WINDOW, (XtCallbackProc) wxCloseDialogCallback, (caddr_t)this); -#else - XmAddWMProtocolCallback(shell, WM_DELETE_WINDOW, (void (*)())wxCloseDialogCallback, (caddr_t)this); -#endif - - XtTranslations ptr ; - XtOverrideTranslations(dialogShell, - ptr = XtParseTranslationTable(": resize()")); - XtFree((char *)ptr); + m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + ChangeFont(FALSE); // Can't remember what this was about... but I think it's necessary. - if (wxUSE_INVISIBLE_RESIZE) { - if (pos.x > -1) - XtVaSetValues(dialogShell, XmNx, pos.x, - NULL); - if (pos.y > -1) - XtVaSetValues(dialogShell, XmNy, pos.y, - NULL); - - if (size.x > -1) - XtVaSetValues(dialogShell, XmNwidth, size.x, NULL); - if (size.y > -1) - XtVaSetValues(dialogShell, XmNheight, size.y, NULL); + if (pos.x > -1) + XtVaSetValues(dialogShell, XmNx, pos.x, + NULL); + if (pos.y > -1) + XtVaSetValues(dialogShell, XmNy, pos.y, + NULL); + + if (size.x > -1) + XtVaSetValues(dialogShell, XmNwidth, size.x, NULL); + if (size.y > -1) + XtVaSetValues(dialogShell, XmNheight, size.y, NULL); } - // This patch come from Torsten Liermann lier@lier1.muc.de - if (XmIsMotifWMRunning(shell)) - { - int decor = 0 ; - if (m_windowStyle & wxRESIZE_BORDER) - decor |= MWM_DECOR_RESIZEH ; - if (m_windowStyle & wxSYSTEM_MENU) - decor |= MWM_DECOR_MENU; - if ((m_windowStyle & wxCAPTION) || - (m_windowStyle & wxTINY_CAPTION_HORIZ) || - (m_windowStyle & wxTINY_CAPTION_VERT)) - decor |= MWM_DECOR_TITLE; - if (m_windowStyle & wxTHICK_FRAME) - decor |= MWM_DECOR_BORDER; - if (m_windowStyle & wxMINIMIZE_BOX) - decor |= MWM_DECOR_MINIMIZE; - if (m_windowStyle & wxMAXIMIZE_BOX) - decor |= MWM_DECOR_MAXIMIZE; - - XtVaSetValues(shell,XmNmwmDecorations,decor,NULL) ; - } - // This allows non-Motif window managers to support at least the - // no-decorations case. - else - { - if ((m_windowStyle & wxCAPTION) != wxCAPTION) - XtVaSetValues((Widget) shell,XmNoverrideRedirect,TRUE,NULL); - } - - XtRealizeWidget(dialogShell); - - XtAddCallback(dialogShell,XmNunmapCallback, - (XtCallbackProc)wxUnmapBulletinBoard,this) ; - // Positioning of the dialog doesn't work properly unless the dialog // is managed, so we manage without mapping to the screen. // To show, we map the shell (actually it's parent). @@ -231,225 +144,167 @@ bool wxDialog::Create(wxWindow *parent, wxWindowID id, SetSize(pos.x, pos.y, size.x, size.y); } XtAddEventHandler(dialogShell,ExposureMask,FALSE, - wxDialogBoxRepaintProc, (XtPointer) this); - - XtAddEventHandler(dialogShell, - ButtonPressMask | ButtonReleaseMask | PointerMotionMask | KeyPressMask, - FALSE, - wxDialogBoxEventHandler, - (XtPointer)this); + wxUniversalRepaintProc, (XtPointer) this); ChangeBackgroundColour(); return TRUE; } +bool wxDialog::DoCreate( wxWindow* parent, wxWindowID id, + const wxString& title, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name ) +{ + Widget parentWidget = (Widget) 0; + if( parent ) + parentWidget = (Widget) parent->GetTopWidget(); + if( !parent ) + parentWidget = (Widget) wxTheApp->GetTopLevelWidget(); + + wxASSERT_MSG( (parentWidget != (Widget) 0), + "Could not find a suitable parent shell for dialog." ); + + Arg args[2]; + XtSetArg (args[0], XmNdefaultPosition, False); + XtSetArg (args[1], XmNautoUnmanage, False); + Widget dialogShell = + XmCreateBulletinBoardDialog( parentWidget, + wxConstCast(name.c_str(), char), + args, 2); + m_mainWidget = (WXWidget) dialogShell; + + // We don't want margins, since there is enough elsewhere. + XtVaSetValues( dialogShell, + XmNmarginHeight, 0, + XmNmarginWidth, 0, + XmNresizePolicy, XmRESIZE_NONE, + NULL ) ; + + XtTranslations ptr ; + XtOverrideTranslations(dialogShell, + ptr = XtParseTranslationTable(": resize()")); + XtFree((char *)ptr); + + XtRealizeWidget(dialogShell); + + wxAddWindowToTable( (Widget)m_mainWidget, this ); + + return TRUE; +} + void wxDialog::SetModal(bool flag) { - if ( flag ) +#ifdef __VMS +#pragma message disable codcauunr +#endif + if ( flag ) m_windowStyle |= wxDIALOG_MODAL ; else if ( m_windowStyle & wxDIALOG_MODAL ) - m_windowStyle -= wxDIALOG_MODAL ; - - wxModelessWindows.DeleteObject(this); - if (!flag) - wxModelessWindows.Append(this); + m_windowStyle -= wxDIALOG_MODAL ; + + wxModelessWindows.DeleteObject(this); + if (!flag) + wxModelessWindows.Append(this); +#ifdef __VMS +#pragma message enable codcauunr +#endif } wxDialog::~wxDialog() { - m_modalShowing = FALSE; - if (!wxUSE_INVISIBLE_RESIZE && m_mainWidget) - { - XtUnmapWidget((Widget) m_mainWidget); - } - - wxTopLevelWindows.DeleteObject(this); + m_isBeingDeleted = TRUE; - if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL ) - wxModelessWindows.DeleteObject(this); + delete m_eventLoop; - // If this is the last top-level window, exit. - if (wxTheApp && (wxTopLevelWindows.Number() == 0)) + if (m_mainWidget) { - wxTheApp->SetTopWindow(NULL); - - if (wxTheApp->GetExitOnFrameDelete()) - { - wxTheApp->ExitMainLoop(); - } + XtRemoveEventHandler((Widget) m_mainWidget, ExposureMask, FALSE, + wxUniversalRepaintProc, (XtPointer) this); } - // This event-flushing code used to be in wxWindow::PostDestroyChildren (wx_dialog.cpp) - // but I think this should work, if we destroy the children first. - // Note that this might need to be done for wxFrame also. - DestroyChildren(); - - // This causes a crash in e.g. the resource sample when closing - // the example dialog. TODO: Probably not necessary (?) -#if 0 - // Now process all events, because otherwise - // this might remain on the screen. - Display* display; - if (m_mainWidget) - display = XtDisplay((Widget) m_mainWidget); - else - display = (Display*) wxGetDisplay(); - - XSync(display, FALSE); - XEvent event; - while (XtAppPending((XtAppContext) wxTheApp->GetAppContext())) { - XFlush(display); - XtAppNextEvent((XtAppContext) wxTheApp->GetAppContext(), &event); - XtDispatchEvent(&event); + m_modalShowing = FALSE; + if (!wxUSE_INVISIBLE_RESIZE && m_mainWidget) + { + XtUnmapWidget((Widget) m_mainWidget); } -#endif -} -// By default, pressing escape cancels the dialog -void wxDialog::OnCharHook(wxKeyEvent& event) -{ - if (event.m_keyCode == WXK_ESCAPE) - { - // Behaviour changed in 2.0: we'll send a Cancel message - // to the dialog instead of Close. - wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); - cancelEvent.SetEventObject( this ); - GetEventHandler()->ProcessEvent(cancelEvent); - - return; - } - // We didn't process this event. - event.Skip(); + PreDestroy(); + DoDestroy(); } -void wxDialog::Iconize(bool WXUNUSED(iconize)) +void wxDialog::DoDestroy() { - // Can't iconize a dialog in Motif, apparently - // TODO: try using the parent of m_mainShell. -// XtVaSetValues((Widget) m_mainWidget, XmNiconic, iconize, NULL); + if( m_mainWidget ) + { + wxDeleteWindowFromTable( (Widget)m_mainWidget ); + XtDestroyWidget( (Widget)m_mainWidget ); + } } -bool wxDialog::IsIconized() const +// By default, pressing escape cancels the dialog +void wxDialog::OnCharHook(wxKeyEvent& event) { - /* - Boolean iconic; - XtVaGetValues((Widget) m_mainWidget, XmNiconic, &iconic, NULL); + if (event.m_keyCode == WXK_ESCAPE) + { + // Behaviour changed in 2.0: we'll send a Cancel message + // to the dialog instead of Close. + wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); + cancelEvent.SetEventObject( this ); + GetEventHandler()->ProcessEvent(cancelEvent); - return iconic; - */ - return FALSE; + return; + } + // We didn't process this event. + event.Skip(); } -void wxDialog::SetSize(int x, int y, int width, int height, int sizeFlags) +void wxDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags) { XtVaSetValues((Widget) m_mainWidget, XmNresizePolicy, XmRESIZE_ANY, NULL); - wxWindow::SetSize(x, y, width, height, sizeFlags); + wxWindow::DoSetSize(x, y, width, height, sizeFlags); XtVaSetValues((Widget) m_mainWidget, XmNresizePolicy, XmRESIZE_NONE, NULL); } -void wxDialog::SetClientSize(int width, int height) +void wxDialog::DoSetClientSize(int width, int height) { - SetSize(-1, -1, width, height); + wxWindow::SetSize(-1, -1, width, height); } - void wxDialog::SetTitle(const wxString& title) { - m_dialogTitle = title; - if (!title.IsNull()) - { - XmString str = XmStringCreateSimple((char*) (const char*) title); - XtVaSetValues((Widget) m_mainWidget, - XmNtitle, (char*) (const char*) title, - XmNdialogTitle, str, // Roberto Cocchi - XmNiconName, (char*) (const char*) title, - NULL); - XmStringFree(str); - } -} - -wxString wxDialog::GetTitle() const -{ - return m_dialogTitle; -} + wxTopLevelWindow::SetTitle( title ); -void wxDialog::Centre(int direction) -{ - int x_offset,y_offset ; - int display_width, display_height; - int width, height, x, y; - wxWindow *parent = GetParent(); - if ((direction & wxCENTER_FRAME) && parent) - { - parent->GetPosition(&x_offset,&y_offset) ; - parent->GetSize(&display_width,&display_height) ; - } - else - { - wxDisplaySize(&display_width, &display_height); - x_offset = 0 ; - y_offset = 0 ; - } - - GetSize(&width, &height); - GetPosition(&x, &y); - - if (direction & wxHORIZONTAL) - x = (int)((display_width - width)/2); - if (direction & wxVERTICAL) - y = (int)((display_height - height)/2); - - SetSize(x+x_offset, y+y_offset, width, height); -} - -void wxDialog::Raise() -{ - Window parent_window = XtWindow((Widget) m_mainWidget), - next_parent = XtWindow((Widget) m_mainWidget), - root = RootWindowOfScreen(XtScreen((Widget) m_mainWidget)); - // search for the parent that is child of ROOT, because the WM may - // reparent twice and notify only the next parent (like FVWM) - while (next_parent != root) { - Window *theChildren; unsigned int n; - parent_window = next_parent; - XQueryTree(XtDisplay((Widget) m_mainWidget), parent_window, &root, - &next_parent, &theChildren, &n); - XFree(theChildren); // not needed + if( !title.empty() ) + { + wxXmString str( title ); + XtVaSetValues( (Widget)m_mainWidget, + XmNtitle, title.c_str(), + XmNdialogTitle, str(), // Roberto Cocchi + XmNiconName, title.c_str(), + NULL ); } - XRaiseWindow(XtDisplay((Widget) m_mainWidget), parent_window); } -void wxDialog::Lower() +bool wxDialog::Show( bool show ) { - Window parent_window = XtWindow((Widget) m_mainWidget), - next_parent = XtWindow((Widget) m_mainWidget), - root = RootWindowOfScreen(XtScreen((Widget) m_mainWidget)); - // search for the parent that is child of ROOT, because the WM may - // reparent twice and notify only the next parent (like FVWM) - while (next_parent != root) { - Window *theChildren; unsigned int n; - parent_window = next_parent; - XQueryTree(XtDisplay((Widget) m_mainWidget), parent_window, &root, - &next_parent, &theChildren, &n); - XFree(theChildren); // not needed - } - XLowerWindow(XtDisplay((Widget) m_mainWidget), parent_window); -} + if( !wxWindowBase::Show( show ) ) + return false; -bool wxDialog::Show(bool show) -{ m_isShown = show; if (show) { if (!wxUSE_INVISIBLE_RESIZE) - XtMapWidget(XtParent((Widget) m_mainWidget)); + XtMapWidget(XtParent((Widget) m_mainWidget)); else - XtManageChild((Widget) m_mainWidget) ; + XtManageChild((Widget)m_mainWidget) ; - XRaiseWindow(XtDisplay((Widget) m_mainWidget), XtWindow((Widget) m_mainWidget)); + XRaiseWindow( XtDisplay( (Widget)m_mainWidget ), + XtWindow( (Widget)m_mainWidget) ); } else @@ -457,10 +312,10 @@ bool wxDialog::Show(bool show) if (!wxUSE_INVISIBLE_RESIZE) XtUnmapWidget(XtParent((Widget) m_mainWidget)); else - XtUnmanageChild((Widget) m_mainWidget) ; + XtUnmanageChild((Widget)m_mainWidget) ; - XFlush(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())); - XSync(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), FALSE); + XFlush(XtDisplay((Widget)m_mainWidget)); + XSync(XtDisplay((Widget)m_mainWidget), FALSE); } return TRUE; @@ -473,39 +328,23 @@ int wxDialog::ShowModal() Show(TRUE); + // after the event loop ran, the widget might already have been destroyed + WXDisplay* display = (WXDisplay*)XtDisplay( (Widget)m_mainWidget ); + if (m_modalShowing) return 0; + m_eventLoop = new wxEventLoop; - wxModalShowingStack.Insert((wxObject *)TRUE); - m_modalShowing = TRUE; XtAddGrab((Widget) m_mainWidget, TRUE, FALSE); - XEvent event; - - // Loop until we signal that the dialog should be closed - while ((wxModalShowingStack.Number() > 0) && ((int)(wxModalShowingStack.First()->Data()) != 0)) - { -// XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll); - - XtAppNextEvent((XtAppContext) wxTheApp->GetAppContext(), &event); - wxTheApp->ProcessXEvent((WXEvent*) &event); - } - - // Remove modal dialog flag from stack - wxNode *node = wxModalShowingStack.First(); - if (node) - delete node; + m_eventLoop->Run(); // Now process all events in case they get sent to a destroyed dialog - XSync(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), FALSE); - while (XtAppPending((XtAppContext) wxTheApp->GetAppContext())) - { - XFlush(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())); - XtAppNextEvent((XtAppContext) wxTheApp->GetAppContext(), &event); + wxFlushEvents( display ); - wxTheApp->ProcessXEvent((WXEvent*) &event); - } + delete m_eventLoop; + m_eventLoop = NULL; // TODO: is it safe to call this, if the dialog may have been deleted // by now? Probably only if we're using delayed deletion of dialogs. @@ -525,32 +364,29 @@ void wxDialog::EndModal(int retCode) Show(FALSE); m_modalShowing = FALSE; - - wxNode *node = wxModalShowingStack.First(); - if (node) - node->SetData((wxObject *)FALSE); + m_eventLoop->Exit(); } // Standard buttons void wxDialog::OnOK(wxCommandEvent& WXUNUSED(event)) { - if ( Validate() && TransferDataFromWindow() ) - { + if ( Validate() && TransferDataFromWindow() ) + { if ( IsModal() ) EndModal(wxID_OK); else { - SetReturnCode(wxID_OK); - this->Show(FALSE); + SetReturnCode(wxID_OK); + this->Show(FALSE); } - } + } } void wxDialog::OnApply(wxCommandEvent& WXUNUSED(event)) { - if (Validate()) - TransferDataFromWindow(); - // TODO probably need to disable the Apply button until things change again + if (Validate()) + TransferDataFromWindow(); + // TODO probably need to disable the Apply button until things change again } void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) @@ -560,161 +396,52 @@ void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) else { SetReturnCode(wxID_CANCEL); - this->Show(FALSE); + this->Show(FALSE); } } -bool wxDialog::OnClose() +void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) { - // Behaviour changed in 2.0: we'll send a Cancel message by default, + // We'll send a Cancel message by default, // which may close the dialog. - // Check for looping if the Cancel event handler calls Close() + // Check for looping if the Cancel event handler calls Close(). + + // Note that if a cancel button and handler aren't present in the dialog, + // nothing will happen when you close the dialog via the window manager, or + // via Close(). + // We wouldn't want to destroy the dialog by default, since the dialog may have been + // created on the stack. + // However, this does mean that calling dialog->Close() won't delete the dialog + // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be + // sure to destroy the dialog. + // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog. static wxList closing; if ( closing.Member(this) ) - return FALSE; + return; closing.Append(this); - wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); - cancelEvent.SetEventObject( this ); - GetEventHandler()->ProcessEvent(cancelEvent); + wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); + cancelEvent.SetEventObject( this ); + GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog closing.DeleteObject(this); - - return FALSE; -} - -void wxDialog::OnCloseWindow(wxCloseEvent& event) -{ - // Compatibility - if ( GetEventHandler()->OnClose() || event.GetForce()) - { - this->Destroy(); - } } // Destroy the window (delayed, if a managed window) bool wxDialog::Destroy() { - if (!wxPendingDelete.Member(this)) - wxPendingDelete.Append(this); - return TRUE; + if (!wxPendingDelete.Member(this)) + wxPendingDelete.Append(this); + return TRUE; } void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - Refresh(); -} - -void wxDialog::Fit() -{ -} - -// Handle a close event from the window manager -static void wxCloseDialogCallback( Widget WXUNUSED(widget), XtPointer client_data, - XmAnyCallbackStruct *WXUNUSED(cbs)) -{ - wxDialog *dialog = (wxDialog *)client_data; - wxCloseEvent closeEvent(wxEVT_CLOSE_WINDOW, dialog->GetId()); - closeEvent.SetEventObject(dialog); - - // May delete the dialog (with delayed deletion) - dialog->GetEventHandler()->ProcessEvent(closeEvent); -} - -// TODO: Preferably, we should have a universal repaint proc. -// Meanwhile, use a special one for dialogs. -static void wxDialogBoxRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *) -{ - Window window; - Display *display; - - wxWindow* win = (wxWindow *)wxWidgetHashTable->Get((long)w); - if (!win) - return; - - switch(event -> type) - { - case Expose : - { - window = (Window) win -> GetXWindow(); - display = (Display *) win -> GetXDisplay(); - - wxRect* rect = new wxRect(event->xexpose.x, event->xexpose.y, - event->xexpose.width, event->xexpose.height); - win->m_updateRects.Append((wxObject*) rect); - - if (event -> xexpose.count == 0) - { - wxPaintEvent event(win->GetId()); - event.SetEventObject(win); - win->GetEventHandler()->ProcessEvent(event); - - win->ClearUpdateRects(); - } - break; - } - default : - { - cout << "\n\nNew Event ! is = " << event -> type << "\n"; - break; - } - } -} - -static void wxDialogBoxEventHandler (Widget wid, - XtPointer WXUNUSED(client_data), - XEvent* event, - Boolean *continueToDispatch) -{ - wxDialog *dialog = (wxDialog *)wxWidgetHashTable->Get((long)wid); - if (dialog) - { - wxMouseEvent wxevent(wxEVT_NULL); - if (wxTranslateMouseEvent(wxevent, dialog, wid, event)) - { - wxevent.SetEventObject(dialog); - wxevent.SetId(dialog->GetId()); - dialog->GetEventHandler()->ProcessEvent(wxevent); - } - else - { - // An attempt to implement OnCharHook by calling OnCharHook first; - // if this returns TRUE, set continueToDispatch to False - // (don't continue processing). - // Otherwise set it to True and call OnChar. - wxKeyEvent keyEvent(wxEVENT_TYPE_CHAR); - if (wxTranslateKeyEvent(keyEvent, dialog, wid, event)) - { - keyEvent.SetEventObject(dialog); - keyEvent.SetId(dialog->GetId()); - keyEvent.SetEventType(wxEVT_CHAR_HOOK); - if (dialog->GetEventHandler()->ProcessEvent(keyEvent)) - { - *continueToDispatch = False; - return; - } - else - { - keyEvent.SetEventType(wxEVT_CHAR); - dialog->GetEventHandler()->ProcessEvent(keyEvent); - } - } - } - } - *continueToDispatch = True; -} - -static void wxUnmapBulletinBoard(Widget WXUNUSED(dialog), wxDialog *WXUNUSED(client), XtPointer WXUNUSED(call) ) -{ - /* This gets called when the dialog is being shown, which - * defeats modal showing. - client->m_modalShowing = FALSE ; - client->m_isShown = FALSE; - */ + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); + Refresh(); } void wxDialog::ChangeFont(bool keepOriginalSize) @@ -725,12 +452,11 @@ void wxDialog::ChangeFont(bool keepOriginalSize) void wxDialog::ChangeBackgroundColour() { if (GetMainWidget()) - DoChangeBackgroundColour(GetMainWidget(), m_backgroundColour); + wxDoChangeBackgroundColour(GetMainWidget(), m_backgroundColour); } void wxDialog::ChangeForegroundColour() { if (GetMainWidget()) - DoChangeForegroundColour(GetMainWidget(), m_foregroundColour); + wxDoChangeForegroundColour(GetMainWidget(), m_foregroundColour); } -