/////////////////////////////////////////////////////////////////////////////
-// Name: dialog.cpp
+// Name: src/gtk/dialog.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dialog.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/dialog.h"
-#include "wx/frame.h"
-#include "wx/app.h"
-#include "wx/gtk/win_gtk.h"
-//-----------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+ #include "wx/cursor.h"
+#endif // WX_PRECOMP
-extern wxList wxPendingDelete;
+#include "wx/evtloop.h"
+
+#include "wx/scopedptr.h"
+
+#include <gtk/gtk.h>
+
+// this is defined in src/gtk/toplevel.cpp
+extern int wxOpenModalDialogsCount;
+
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop)
-//-----------------------------------------------------------------------------
-// delete
-
-bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
-{
-/*
- printf( "OnDelete from " );
- if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
- printf( win->GetClassInfo()->GetClassName() );
- printf( ".\n" );
-*/
-
- win->Close();
-
- return TRUE;
-}
//-----------------------------------------------------------------------------
// wxDialog
//-----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxDialog,wxWindow)
- EVT_BUTTON (wxID_OK, wxDialog::OnOK)
- EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel)
- EVT_BUTTON (wxID_APPLY, wxDialog::OnApply)
- EVT_CLOSE (wxDialog::OnCloseWindow)
-END_EVENT_TABLE()
-
-IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
-wxDialog::wxDialog(void)
+void wxDialog::Init()
{
- m_title = "";
- m_modalShowing = FALSE;
- wxTopLevelWindows.Insert( this );
+ m_modalLoop = NULL;
+ m_returnCode = 0;
+ m_modalShowing = false;
+ m_themeEnabled = true;
}
-wxDialog::wxDialog( wxWindow *parent,
- wxWindowID id, const wxString &title,
- const wxPoint &pos, const wxSize &size,
- long style, const wxString &name )
+wxDialog::wxDialog( wxWindow *parent,
+ wxWindowID id, const wxString &title,
+ const wxPoint &pos, const wxSize &size,
+ long style, const wxString &name )
{
- m_modalShowing = FALSE;
- wxTopLevelWindows.Insert( this );
- Create( parent, id, title, pos, size, style, name );
+ Init();
+
+ (void)Create( parent, id, title, pos, size, style, name );
}
bool wxDialog::Create( wxWindow *parent,
- wxWindowID id, const wxString &title,
- const wxPoint &pos, const wxSize &size,
- long style, const wxString &name )
+ wxWindowID id, const wxString &title,
+ const wxPoint &pos, const wxSize &size,
+ long style, const wxString &name )
{
- m_needParent = FALSE;
-
- PreCreation( parent, id, pos, size, style, name );
-
- m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
- GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
-
- gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
-
- gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
- GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
-
- m_wxwindow = gtk_myfixed_new();
- gtk_widget_show( m_wxwindow );
- GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
-
- gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
-
- SetTitle( title );
-
- if ((m_x != -1) || (m_y != -1))
- gtk_widget_set_uposition( m_widget, m_x, m_y );
-
- gtk_widget_set_usize( m_widget, m_width, m_height );
-
- PostCreation();
-
- return TRUE;
-}
+ SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
-wxDialog::~wxDialog(void)
-{
- wxTopLevelWindows.DeleteObject( this );
- if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
-}
+ // all dialogs should have tab traversal enabled
+ style |= wxTAB_TRAVERSAL;
-void wxDialog::SetTitle(const wxString& title )
-{
- m_title = title;
- if (m_title.IsNull()) m_title = "";
- gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
+ return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
}
-wxString wxDialog::GetTitle(void) const
+bool wxDialog::Show( bool show )
{
- return (wxString&)m_title;
-}
+ if (!show && IsModal())
+ {
+ EndModal( wxID_CANCEL );
+ }
-void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
-{
- if (Validate()) TransferDataFromWindow();
-}
+ if (show && CanDoLayoutAdaptation())
+ DoLayoutAdaptation();
-void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
-{
- if (IsModal())
- {
- EndModal(wxID_CANCEL);
- }
- else
- {
- SetReturnCode(wxID_CANCEL);
- this->Show(FALSE);
- }
+ bool ret = wxDialogBase::Show(show);
+
+ if (show)
+ InitDialog();
+
+ return ret;
}
-void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
+wxDialog::~wxDialog()
{
- if ( Validate() && TransferDataFromWindow())
- {
- if (IsModal())
- {
- EndModal(wxID_OK);
- }
- else
- {
- SetReturnCode(wxID_OK);
- this->Show(FALSE);
- }
- }
+ // if the dialog is modal, this will end its event loop
+ if ( IsModal() )
+ EndModal(wxID_CANCEL);
}
-void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
+bool wxDialog::IsModal() const
{
- // yes
+ return m_modalShowing;
}
-bool wxDialog::OnClose(void)
+void wxDialog::SetModal( bool WXUNUSED(flag) )
{
- static wxList closing;
-
- if (closing.Member(this)) return FALSE; // no loops
-
- closing.Append(this);
-
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
- closing.DeleteObject(this);
-
- return FALSE;
+ wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
}
-bool wxDialog::Destroy(void)
+int wxDialog::ShowModal()
{
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
+ wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" );
- return TRUE;
-}
+ // release the mouse if it's currently captured as the window having it
+ // will be disabled when this dialog is shown -- but will still keep the
+ // capture making it impossible to do anything in the modal dialog itself
+ wxWindow * const win = wxWindow::GetCapture();
+ if ( win )
+ win->GTKReleaseMouseAndNotify();
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
-{
- if (GetEventHandler()->OnClose() || event.GetForce())
- {
- this->Destroy();
- }
-}
+ // use the apps top level window as parent if none given unless explicitly
+ // forbidden
+ if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
+ {
+ wxWindow * const parent = GetParentForModalDialog();
+ if ( parent && parent != this )
+ {
+ gtk_window_set_transient_for( GTK_WINDOW(m_widget),
+ GTK_WINDOW(parent->m_widget) );
+ }
+ }
-void wxDialog::ImplementSetPosition(void)
-{
- if ((m_x != -1) || (m_y != -1))
- gtk_widget_set_uposition( m_widget, m_x, m_y );
-}
+ wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
-void wxDialog::Centre( int direction )
-{
- if (direction & wxHORIZONTAL == wxHORIZONTAL) m_x = (gdk_screen_width () - m_width) / 2;
- if (direction & wxVERTICAL == wxVERTICAL) m_y = (gdk_screen_height () - m_height) / 2;
- ImplementSetPosition();
-}
+ Show( true );
-bool wxDialog::Show( bool show )
-{
- if (!show && IsModal() && m_modalShowing)
- {
- EndModal( wxID_CANCEL );
- }
-
- wxWindow::Show( show );
-
- if (show) InitDialog();
-
- return TRUE;
-}
+ m_modalShowing = true;
-void wxDialog::SetModal(bool flag)
-{
- if (flag)
- m_windowStyle |= wxDIALOG_MODAL;
- else
- if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
-}
+ wxOpenModalDialogsCount++;
-int wxDialog::ShowModal(void)
-{
- SetModal(TRUE);
+ // NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
+ gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);
+
+ // Run modal dialog event loop.
+ {
+ wxGUIEventLoopTiedPtr modal(&m_modalLoop, new wxGUIEventLoop());
+ m_modalLoop->Run();
+ }
+
+ gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
+
+ wxOpenModalDialogsCount--;
- if (m_modalShowing)
- {
- wxFAIL_MSG( "wxDialog:ShowModal called twice" );
return GetReturnCode();
- }
-
- Show( TRUE );
-
- m_modalShowing = TRUE;
-
- gtk_grab_add( m_widget );
- gtk_main();
- gtk_grab_remove( m_widget );
-
- return GetReturnCode();
}
void wxDialog::EndModal( int retCode )
{
- SetReturnCode( retCode );
-
- if (!m_modalShowing)
- {
- wxFAIL_MSG( "wxDialog:EndModal called twice" );
- return;
- }
-
- m_modalShowing = FALSE;
-
- gtk_main_quit();
-
- Show( FALSE );
-}
-
-void wxDialog::InitDialog(void)
-{
- wxWindow::InitDialog();
-}
+ SetReturnCode( retCode );
-void wxDialog::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW) )
-{
- gdk_window_set_hints( m_widget->window, -1, -1,
- minW, minH, maxW, maxH, GDK_HINT_MIN_SIZE | GDK_HINT_MIN_SIZE );
-}
+ if (!IsModal())
+ {
+ wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" );
+ return;
+ }
-void wxDialog::SetIcon( const wxIcon &icon )
-{
- m_icon = icon;
- if (!icon.Ok()) return;
-
- wxMask *mask = icon.GetMask();
- GdkBitmap *bm = (GdkBitmap *) NULL;
- if (mask) bm = mask->GetBitmap();
-
- gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
-}
+ m_modalShowing = false;
+ // Ensure Exit() is only called once. The dialog's event loop may be terminated
+ // externally due to an uncaught exception.
+ if (m_modalLoop && m_modalLoop->IsRunning())
+ m_modalLoop->Exit();
+ Show( false );
+}
projects / wxWidgets.git / blobdiff