/////////////////////////////////////////////////////////////////////////////
-// Name: dialog.cpp
+// Name: src/gtk/dialog.cpp
// Purpose:
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#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/cursor.h"
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
-#include <gdk/gdkkeysyms.h>
+#ifndef WX_PRECOMP
+ #include "wx/cursor.h"
+#endif // WX_PRECOMP
-#include "wx/gtk/win_gtk.h"
+#include "wx/evtloop.h"
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+#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)
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-extern int g_openDialogs;
//-----------------------------------------------------------------------------
// wxDialog
//-----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxDialog,wxDialogBase)
- 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,wxTopLevelWindow)
-
void wxDialog::Init()
{
- m_returnCode = 0;
- m_sizeSet = FALSE;
- m_modalShowing = FALSE;
- m_themeEnabled = TRUE;
+ m_modalLoop = NULL;
+ m_modalShowing = false;
}
wxDialog::wxDialog( wxWindow *parent,
return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
}
-void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
-{
- if (Validate())
- TransferDataFromWindow();
-}
-
-void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
-{
- if (IsModal())
- {
- EndModal(wxID_CANCEL);
- }
- else
- {
- SetReturnCode(wxID_CANCEL);
- Show(FALSE);
- }
-}
-
-void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
-{
- if (Validate() && TransferDataFromWindow())
- {
- if (IsModal())
- {
- EndModal(wxID_OK);
- }
- else
- {
- SetReturnCode(wxID_OK);
- Show(FALSE);
- }
- }
-}
-
-void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
-{
- // yes
-}
-
-void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
-{
- // We'll send a Cancel message by default,
- // which may close the dialog.
- // 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 s_closing;
-
- if (s_closing.Member(this))
- return; // no loops
-
- s_closing.Append(this);
-
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
- s_closing.DeleteObject(this);
-}
-
bool wxDialog::Show( bool show )
{
if (!show && IsModal())
EndModal( wxID_CANCEL );
}
- if (show && !m_sizeSet)
- {
- /* by calling GtkOnSize here, we don't have to call
- either after showing the frame, which would entail
- much ugly flicker nor from within the size_allocate
- handler, because GTK 1.1.X forbids that. */
-
- GtkOnSize( m_x, m_y, m_width, m_height );
- }
+ if (show && CanDoLayoutAdaptation())
+ DoLayoutAdaptation();
- bool ret = wxWindow::Show( show );
+ bool ret = wxDialogBase::Show(show);
- if (show) InitDialog();
+ if (show)
+ InitDialog();
return ret;
}
+wxDialog::~wxDialog()
+{
+ // if the dialog is modal, this will end its event loop
+ if ( IsModal() )
+ EndModal(wxID_CANCEL);
+}
+
bool wxDialog::IsModal() const
{
return m_modalShowing;
}
-void wxDialog::SetModal( bool WXUNUSED(flag) )
+// 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*)
{
- wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
+ 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()
{
- if (IsModal())
+ 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 )
{
- wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
- return GetReturnCode();
+ gtk_window_set_transient_for( GTK_WINDOW(m_widget),
+ GTK_WINDOW(parent->m_widget) );
}
- // use the apps top level window as parent if none given unless explicitly
- // forbidden
- if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
+ 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
{
- wxWindow *parent = wxTheApp->GetTopWindow();
- if ( parent &&
- parent != this &&
- parent->IsBeingDeleted() &&
- !(parent->GetExtraStyle() & wxWS_EX_TRANSIENT) )
- {
- m_parent = parent;
- gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(parent->m_widget) );
- }
+ sigId = g_signal_lookup("realize", GTK_TYPE_WIDGET);
+ hookId = g_signal_add_emission_hook(sigId, 0, realize_hook, NULL, NULL);
}
+#endif
- wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
-
- Show( TRUE );
+ Show( true );
- SetFocus();
+ m_modalShowing = true;
- m_modalShowing = TRUE;
+ wxOpenModalDialogLocker modalLock;
- g_openDialogs++;
+ // NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
+ gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);
- gtk_grab_add( m_widget );
- gtk_main();
- gtk_grab_remove( m_widget );
+ // 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
- g_openDialogs--;
+ gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
return GetReturnCode();
}
if (!IsModal())
{
- wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
+ wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" );
return;
}
- m_modalShowing = FALSE;
+ m_modalShowing = false;
- gtk_main_quit();
+ // 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 );
+ Show( false );
}
projects / wxWidgets.git / blobdiff