X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..11a23db53128bf244a089123b7fd27deb577a889:/src/gtk/dialog.cpp diff --git a/src/gtk/dialog.cpp b/src/gtk/dialog.cpp index 0c63e39f11..98f08d7d6f 100644 --- a/src/gtk/dialog.cpp +++ b/src/gtk/dialog.cpp @@ -1,212 +1,209 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 +#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 ); +}