/////////////////////////////////////////////////////////////////////////////
-// 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
+// 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"
-//-----------------------------------------------------------------------------
-// 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;
-};
+#ifndef WX_PRECOMP
+ #include "wx/cursor.h"
+#endif // WX_PRECOMP
+
+#include "wx/evtloop.h"
+
+#include "wx/scopedptr.h"
+#include "wx/modalhook.h"
+
+#include <gtk/gtk.h>
+#include "wx/gtk/private/gtk2-compat.h"
+#include "wx/gtk/private/dialogcount.h"
+
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop)
+
//-----------------------------------------------------------------------------
// 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)
-
-wxDialog::wxDialog(void)
-{
- m_title = "";
- m_modalShowing = TRUE;
- wxTopLevelWindows.Insert( this );
-};
-
-wxDialog::wxDialog( wxWindow *parent,
- wxWindowID id, const wxString &title,
- const wxPoint &pos, const wxSize &size,
- const long style, const wxString &name )
+void wxDialog::Init()
{
- wxTopLevelWindows.Insert( this );
- Create( parent, id, title, pos, size, style, name );
-};
+ m_modalLoop = NULL;
+ m_modalShowing = false;
+}
-bool wxDialog::Create( wxWindow *parent,
- wxWindowID id, const wxString &title,
- const wxPoint &pos, const wxSize &size,
- const long style, const wxString &name )
-{
- m_needParent = FALSE;
-
- PreCreation( parent, id, pos, size, style, name );
-
- m_modalShowing = ((m_windowStyle & wxDIALOG_MODAL) == wxDIALOG_MODAL);
-
- 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 );
-
- PostCreation();
-
- return TRUE;
-};
-
-wxDialog::~wxDialog(void)
+wxDialog::wxDialog( wxWindow *parent,
+ wxWindowID id, const wxString &title,
+ const wxPoint &pos, const wxSize &size,
+ long style, const wxString &name )
{
- wxTopLevelWindows.DeleteObject( this );
- if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
-};
+ Init();
-void wxDialog::SetTitle(const wxString& title )
-{
- m_title = title;
- gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
-};
+ (void)Create( parent, id, title, pos, size, style, name );
+}
-wxString wxDialog::GetTitle(void) const
+bool wxDialog::Create( wxWindow *parent,
+ wxWindowID id, const wxString &title,
+ const wxPoint &pos, const wxSize &size,
+ long style, const wxString &name )
{
- return (wxString&)m_title;
-};
+ SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
-void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
-{
- if (Validate()) TransferDataFromWindow();
-};
+ // all dialogs should have tab traversal enabled
+ style |= wxTAB_TRAVERSAL;
-void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
-{
- if (IsModal())
- EndModal(wxID_CANCEL);
- else
- {
- SetReturnCode(wxID_CANCEL);
- this->Show(FALSE);
- };
-};
-
-void wxDialog::OnOk( wxCommandEvent &WXUNUSED(event) )
+ return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
+}
+
+bool wxDialog::Show( bool show )
{
- if ( Validate() && TransferDataFromWindow())
- {
- if (IsModal())
- EndModal(wxID_OK);
- else
+ if (!show && IsModal())
{
- SetReturnCode(wxID_OK);
- this->Show(FALSE);
- };
- };
- EndModal( wxID_OK );
-};
-
-void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
-{
- // yes
-};
+ EndModal( wxID_CANCEL );
+ }
-bool wxDialog::OnClose(void)
-{
- static wxList closing;
+ if (show && CanDoLayoutAdaptation())
+ DoLayoutAdaptation();
- if (closing.Member(this)) return FALSE; // no loops
+ bool ret = wxDialogBase::Show(show);
- closing.Append(this);
+ if (show)
+ InitDialog();
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
- closing.DeleteObject(this);
-
- return FALSE;
+ return ret;
}
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
+wxDialog::~wxDialog()
{
- if (GetEventHandler()->OnClose() || event.GetForce())
- {
- this->Destroy();
- };
-};
+ // if the dialog is modal, this will end its event loop
+ if ( IsModal() )
+ EndModal(wxID_CANCEL);
+}
-bool wxDialog::Show( const bool show )
+bool wxDialog::IsModal() const
{
- if (!show && m_modalShowing)
- {
- EndModal( wxID_CANCEL );
- };
-
- wxWindow::Show( show );
-
- if (show) InitDialog();
-
- if (show && m_modalShowing)
- {
- gtk_grab_add( m_widget );
- gtk_main();
- gtk_grab_remove( m_widget );
- };
-
- return TRUE;
-};
-
-int wxDialog::ShowModal(void)
+ return m_modalShowing;
+}
+
+// Workaround for Ubuntu overlay scrollbar, which adds our GtkWindow to a
+// private window group in a GtkScrollbar realize handler. This breaks the grab
+// done by gtk_window_set_modal(), and allows menus and toolbars in the parent
+// frame to remain active. So, we install an emission hook on the "realize"
+// signal while showing a modal dialog. For any realize on a GtkScrollbar,
+// we check the top level parent to see if it has an explicitly set window
+// group that is not the same as its transient parent. If we find this, we
+// put the top level back in the same window group as its transient parent, and
+// re-add the grab.
+// Ubuntu 12.04 and 12.10 are known to have this problem.
+
+// need 2.10 for gtk_window_get_group()
+#if GTK_CHECK_VERSION(2,10,0)
+extern "C" {
+static gboolean
+realize_hook(GSignalInvocationHint*, unsigned, const GValue* param_values, void*)
+{
+ void* p = g_value_peek_pointer(param_values);
+ if (GTK_IS_SCROLLBAR(p))
+ {
+ GtkWindow* toplevel = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(p)));
+ GtkWindow* transient_parent = gtk_window_get_transient_for(toplevel);
+ if (transient_parent && gtk_window_has_group(toplevel))
+ {
+ GtkWindowGroup* group = gtk_window_get_group(toplevel);
+ GtkWindowGroup* group_parent = gtk_window_get_group(transient_parent);
+ if (group != group_parent)
+ {
+ gtk_window_group_add_window(group_parent, toplevel);
+ gtk_grab_add(GTK_WIDGET(toplevel));
+ }
+ }
+ }
+ return true;
+}
+}
+#endif // GTK 2.10
+
+int wxDialog::ShowModal()
{
- Show( TRUE );
- return GetReturnCode();
-};
+ WX_HOOK_MODAL_DIALOG();
+
+ wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" );
+
+ // 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();
+
+ wxWindow * const parent = GetParentForModalDialog();
+ if ( parent )
+ {
+ gtk_window_set_transient_for( GTK_WINDOW(m_widget),
+ GTK_WINDOW(parent->m_widget) );
+ }
+
+ wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
+
+#if GTK_CHECK_VERSION(2,10,0)
+ unsigned sigId = 0;
+ gulong hookId = 0;
+#ifndef __WXGTK3__
+ // Ubuntu overlay scrollbar uses at least GTK 2.24
+ if (gtk_check_version(2,24,0) == NULL)
+#endif
+ {
+ sigId = g_signal_lookup("realize", GTK_TYPE_WIDGET);
+ hookId = g_signal_add_emission_hook(sigId, 0, realize_hook, NULL, NULL);
+ }
+#endif
+
+ Show( true );
+
+ m_modalShowing = true;
+
+ wxOpenModalDialogLocker modalLock;
+
+ // 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();
+ }
+
+#if GTK_CHECK_VERSION(2,10,0)
+ if (sigId)
+ g_signal_remove_emission_hook(sigId, hookId);
+#endif
+
+ gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
+
+ return GetReturnCode();
+}
void wxDialog::EndModal( int retCode )
{
- gtk_main_quit();
- SetReturnCode( retCode );
-};
+ SetReturnCode( retCode );
-void wxDialog::InitDialog(void)
-{
- wxWindow::InitDialog();
-};
+ if (!IsModal())
+ {
+ wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" );
+ return;
+ }
+ 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