Misc validity fixes to samples/xrc/rc/*.xrc.

[wxWidgets.git] / src / gtk / dialog.cpp

diff --git a/src/gtk/dialog.cpp b/src/gtk/dialog.cpp
index 1b206e4a2d028cd5f5a782394095c6b68a90f21b..98f08d7d6facc8eb50855ddb951462061a41c4ca 100644 (file)
--- a/src/gtk/dialog.cpp
+++ b/src/gtk/dialog.cpp
@@ -1,56 +1,40 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dialog.cpp
+// Name:        src/gtk/dialog.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Purpose:
 // Author:      Robert Roebling

-// Id:          $Id$

 // Copyright:   (c) 1998 Robert Roebling
 // 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/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"

 
 

-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-extern int g_openDialogs;
+#include <gtk/gtk.h>
+#include "wx/gtk/private/gtk2-compat.h"
+#include "wx/gtk/private/dialogcount.h"

 
 

+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop)

 
 
 //-----------------------------------------------------------------------------
 // wxDialog
 //-----------------------------------------------------------------------------
 
 
 
 //-----------------------------------------------------------------------------
 // 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()
 {
 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,
 }
 
 wxDialog::wxDialog( wxWindow *parent,


@@ -59,11 +43,8 @@ wxDialog::wxDialog( wxWindow *parent,
                     long style, const wxString &name )
 {
     Init();
                     long style, const wxString &name )
 {
     Init();

-    
-    // all dialogs should have tab traversal enabled
-    style |= wxTAB_TRAVERSAL;

 
 

-    Create( parent, id, title, pos, size, style, name );
+    (void)Create( parent, id, title, pos, size, style, name );

 }
 
 bool wxDialog::Create( wxWindow *parent,
 }
 
 bool wxDialog::Create( wxWindow *parent,


@@ -71,77 +52,12 @@ bool wxDialog::Create( wxWindow *parent,
                        const wxPoint &pos, const wxSize &size,
                        long style, const wxString &name )
 {
                        const wxPoint &pos, const wxSize &size,
                        long style, const wxString &name )
 {

-    SetExtraStyle(GetExtraStyle() | wxTLW_EX_DIALOG);
-
-    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);
-        }
-    }
-}
+    SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);

 
 

-void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
-{
-    // yes
-}
+    // all dialogs should have tab traversal enabled
+    style |= wxTAB_TRAVERSAL;

 
 

-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);
+    return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);

 }
 
 bool wxDialog::Show( bool show )
 }
 
 bool wxDialog::Show( bool show )


@@ -151,72 +67,123 @@ bool wxDialog::Show( bool show )
         EndModal( wxID_CANCEL );
     }
 
         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;
 }
 
 
     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;
 }
 
 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*)

 {
 {

-/*
-  if (flag)
-    m_windowStyle |= wxDIALOG_MODAL;
-  else
-    if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
-*/
-    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()
 {
 
 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 )
-        {
-            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 );
+    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();
 }
 
     return GetReturnCode();
 }


@@ -227,13 +194,16 @@ void wxDialog::EndModal( int retCode )
 
     if (!IsModal())
     {
 
     if (!IsModal())
     {

-        wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
+        wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" );

         return;
     }
 
         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 );

 }
 }