/////////////////////////////////////////////////////////////////////////////
-// Name: dialog.cpp
+// Name: src/gtk/dialog.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// 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 "gdk/gdk.h"
-#include "gtk/gtk.h"
-#include "wx/gtk/win_gtk.h"
+#ifndef WX_PRECOMP
+ #include "wx/cursor.h"
+#endif // WX_PRECOMP
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
-
-extern wxList wxPendingDelete;
-
-//-----------------------------------------------------------------------------
-// "delete_event"
-//-----------------------------------------------------------------------------
-
-bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
-{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- win->Close();
-
- return TRUE;
-}
-
-//-----------------------------------------------------------------------------
-// "size_allocate"
-//-----------------------------------------------------------------------------
-
-static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxDialog *win )
-{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- if (!win->m_hasVMT) return;
-
- if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
- {
- win->m_width = alloc->width;
- win->m_height = alloc->height;
- win->UpdateSize();
- }
-}
-
-//-----------------------------------------------------------------------------
-// "configure_event"
-//-----------------------------------------------------------------------------
-
-static gint gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDialog *win )
-{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- if (!win->m_hasVMT) return FALSE;
-
- int x = 0;
- int y = 0;
- gdk_window_get_root_origin( win->m_widget->window, &x, &y );
-
- win->m_x = x;
- win->m_y = y;
-
- wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
- mevent.SetEventObject( win );
- win->GetEventHandler()->ProcessEvent( mevent );
-
- return FALSE;
-}
-
-//-----------------------------------------------------------------------------
-// "realize" from m_widget
-//-----------------------------------------------------------------------------
-
-/* we cannot MWM hints and icons before the widget has been realized,
- so we do this directly after realization */
+#include "wx/evtloop.h"
-static gint
-gtk_dialog_realized_callback( GtkWidget *widget, wxDialog *win )
-{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- /* I haven''t been able to set the position of
- the dialog before it is shown, so I set the
- position in "realize" and "map" */
- gtk_widget_set_uposition( widget, win->m_x, win->m_y );
+#include "wx/ptr_scpd.h"
- /* reset the icon */
- if (win->m_icon != wxNullIcon)
- {
- wxIcon icon( win->m_icon );
- win->m_icon = wxNullIcon;
- win->SetIcon( icon );
- }
-
- return FALSE;
-}
-
-//-----------------------------------------------------------------------------
-// "map" from m_widget
-//-----------------------------------------------------------------------------
+#include <gtk/gtk.h>
-static gint
-gtk_dialog_map_callback( GtkWidget *widget, wxDialog *win )
-{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- /* I haven''t been able to set the position of
- the dialog before it is shown, so I set the
- position in "realize" and "map" */
- gtk_widget_set_uposition( widget, win->m_x, win->m_y );
-
- /* all this is for Motif Window Manager "hints" and is supposed to be
- recognized by other WM as well. not tested. */
- long decor = (long) GDK_DECOR_BORDER;
- long func = (long) GDK_FUNC_MOVE ;
-
- if ((win->GetWindowStyle() & wxCAPTION) != 0)
- decor |= GDK_DECOR_TITLE;
- if ((win->GetWindowStyle() & wxSYSTEM_MENU) != 0)
- {
- decor |= GDK_DECOR_MENU;
- func |= GDK_FUNC_CLOSE;
- }
- if ((win->GetWindowStyle() & wxMINIMIZE_BOX) != 0)
- {
- func |= GDK_FUNC_MINIMIZE;
- decor |= GDK_DECOR_MINIMIZE;
- }
- if ((win->GetWindowStyle() & wxMAXIMIZE_BOX) != 0)
- {
- decor |= GDK_DECOR_MAXIMIZE;
- func |= GDK_FUNC_MAXIMIZE;
- }
- if ((win->GetWindowStyle() & wxRESIZE_BORDER) != 0)
- {
- func |= GDK_FUNC_RESIZE;
- decor |= GDK_DECOR_RESIZEH;
- }
- gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor);
- gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func);
-
- /* GTK's shrinking/growing policy */
- if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0)
- gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
- else
- gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
-
- return FALSE;
-}
-
-//-----------------------------------------------------------------------------
-// InsertChild for wxDialog
-//-----------------------------------------------------------------------------
+// this is defined in src/gtk/toplevel.cpp
+extern int wxOpenModalDialogsCount;
-/* Callback for wxFrame. This very strange beast has to be used because
- * C++ has no virtual methods in a constructor. We have to emulate a
- * virtual function here as wxWindows requires different ways to insert
- * a child in container classes. */
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop);
-static void wxInsertChildInDialog( wxDialog* parent, wxWindow* child )
-{
- gtk_myfixed_put( GTK_MYFIXED(parent->m_wxwindow),
- GTK_WIDGET(child->m_widget),
- child->m_x,
- child->m_y,
- child->m_width,
- child->m_height );
-
- if (parent->HasFlag(wxTAB_TRAVERSAL))
- {
- /* we now allow a window to get the focus as long as it
- doesn't have any children. */
- GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS );
- }
-}
//-----------------------------------------------------------------------------
// wxDialog
//-----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxDialog,wxPanel)
- EVT_BUTTON (wxID_OK, wxDialog::OnOK)
- EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel)
- EVT_BUTTON (wxID_APPLY, wxDialog::OnApply)
- EVT_SIZE (wxDialog::OnSize)
- EVT_CLOSE (wxDialog::OnCloseWindow)
-END_EVENT_TABLE()
-
-IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel)
+IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
void wxDialog::Init()
{
+ m_modalLoop = NULL;
m_returnCode = 0;
- m_sizeSet = FALSE;
- m_modalShowing = FALSE;
+ m_modalShowing = false;
+ m_themeEnabled = true;
}
wxDialog::wxDialog( wxWindow *parent,
{
Init();
- Create( parent, id, title, pos, size, style, name );
+ (void)Create( parent, id, title, pos, size, style, name );
}
bool wxDialog::Create( wxWindow *parent,
const wxPoint &pos, const wxSize &size,
long style, const wxString &name )
{
- wxTopLevelWindows.Append( this );
-
- m_needParent = FALSE;
-
- PreCreation( parent, id, pos, size, style, name );
-
- m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog;
-
- m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
-
- if (!name.IsEmpty())
- gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() );
-
- GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
-
- 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_parent) m_parent->AddChild( this );
-
- PostCreation();
+ SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
- /* we cannot set MWM hints before the widget has
- been realized, so we do this directly after realization */
- gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
- GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this );
+ // all dialogs should have tab traversal enabled
+ style |= wxTAB_TRAVERSAL;
- /* we set the position of the window after the map event. setting it
- before has no effect (with KWM) */
- gtk_signal_connect( GTK_OBJECT(m_widget), "map",
- GTK_SIGNAL_FUNC(gtk_dialog_map_callback), (gpointer) this );
-
- /* the user resized the frame by dragging etc. */
- gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
- GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this );
-
- gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
- GTK_SIGNAL_FUNC(gtk_dialog_configure_callback), (gpointer)this );
-
- return TRUE;
+ return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
}
-wxDialog::~wxDialog()
+bool wxDialog::Show( bool show )
{
- m_isBeingDeleted = TRUE;
-
- wxTopLevelWindows.DeleteObject( this );
-
- if (wxTheApp->GetTopWindow() == this)
- {
- wxTheApp->SetTopWindow( (wxWindow*) NULL );
- }
-
- if (wxTopLevelWindows.Number() == 0)
+ if (!show && IsModal())
{
- wxTheApp->ExitMainLoop();
+ EndModal( wxID_CANCEL );
}
-}
-void wxDialog::SetTitle( const wxString& title )
-{
- m_title = title;
- if (m_title.IsNull()) m_title = _T("");
- gtk_window_set_title( GTK_WINDOW(m_widget), m_title.mbc_str() );
-}
-
-wxString wxDialog::GetTitle() const
-{
- return (wxString&)m_title;
-}
+ if (show && CanDoLayoutAdaptation())
+ DoLayoutAdaptation();
-void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
-{
- if (Validate()) TransferDataFromWindow();
-}
+ bool ret = wxDialogBase::Show(show);
-void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
-{
- if (IsModal())
- {
- EndModal(wxID_CANCEL);
- }
- else
- {
- SetReturnCode(wxID_CANCEL);
- Show(FALSE);
- }
-}
+ if (show)
+ InitDialog();
-void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
-{
- if (Validate() && TransferDataFromWindow())
- {
- if (IsModal())
- {
- EndModal(wxID_OK);
- }
- else
- {
- SetReturnCode(wxID_OK);
- this->Show(FALSE);
- }
- }
+ return ret;
}
-void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
+wxDialog::~wxDialog()
{
- // yes
-}
+ m_isBeingDeleted = true;
-void wxDialog::OnCloseWindow(wxCloseEvent& 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);
+ // if the dialog is modal, this will end its event loop
+ if ( IsModal() )
+ EndModal(wxID_CANCEL);
}
-bool wxDialog::Destroy()
+bool wxDialog::IsModal() const
{
- if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
-
- return TRUE;
+ return m_modalShowing;
}
-void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) )
+void wxDialog::SetModal( bool WXUNUSED(flag) )
{
- wxASSERT_MSG( (m_widget != NULL), _T("invalid dialog") );
-
-#if wxUSE_CONSTRAINTS
- if (GetAutoLayout())
- {
- Layout();
- }
- else
-#endif // wxUSE_CONSTRAINTS
- {
- /* no child: go out ! */
- if (!GetChildren().First()) return;
-
- /* do we have exactly one child? */
- wxWindow *child = (wxWindow *) NULL;
- for(wxNode *node = GetChildren().First(); node; node = node->Next())
- {
- wxWindow *win = (wxWindow *)node->Data();
- if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog))
- {
- /* it's the second one: do nothing */
- if (child) return;
- child = win;
- }
- }
-
- /* yes: set it's size to fill all the frame */
- int client_x, client_y;
- GetClientSize( &client_x, &client_y );
- child->SetSize( 1, 1, client_x-2, client_y);
- }
+ wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
}
-void wxDialog::DoSetSize( int x, int y, int width, int height, int sizeFlags )
+int wxDialog::ShowModal()
{
- wxASSERT_MSG( (m_widget != NULL), _T("invalid dialog") );
- wxASSERT_MSG( (m_wxwindow != NULL), _T("invalid dialog") );
-
- if (m_resizing) return; /* I don't like recursions */
- m_resizing = TRUE;
-
- int old_x = m_x;
- int old_y = m_y;
- int old_width = m_width;
- int old_height = m_height;
-
- if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
- {
- if (x != -1) m_x = x;
- if (y != -1) m_y = y;
- if (width != -1) m_width = width;
- if (height != -1) m_height = height;
- }
- else
- {
- m_x = x;
- m_y = y;
- m_width = width;
- m_height = height;
- }
-
- if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
- {
- if (width == -1) m_width = 80;
- }
-
- if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
- {
- if (height == -1) m_height = 26;
- }
+ wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" );
- if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
- if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
- if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
- if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
+ // 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();
- if ((m_x != -1) || (m_y != -1))
+ // use the apps top level window as parent if none given unless explicitly
+ // forbidden
+ if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
{
- if ((m_x != old_x) || (m_y != old_y))
+ wxWindow * const parent = GetParentForModalDialog();
+ if ( parent && parent != this )
{
- /* we set the position here and when showing the dialog
- for the first time in idle time */
- gtk_widget_set_uposition( m_widget, m_x, m_y );
+ gtk_window_set_transient_for( GTK_WINDOW(m_widget),
+ GTK_WINDOW(parent->m_widget) );
}
}
- if ((m_width != old_width) || (m_height != old_height))
- {
- /* actual resizing is deferred to GtkOnSize in idle time and
- when showing the dialog */
- m_sizeSet = FALSE;
- }
-
- m_resizing = FALSE;
-}
-
-void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
-{
- // due to a bug in gtk, x,y are always 0
- // m_x = x;
- // m_y = y;
-
- if ((m_height == height) && (m_width == width) && (m_sizeSet)) return;
- if (!m_wxwindow) return;
-
- m_width = width;
- m_height = height;
-
- if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
- if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
- if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
- if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
-
- /* we actually set the size of a frame here and no-where else */
- gtk_widget_set_usize( m_widget, m_width, m_height );
-
- m_sizeSet = TRUE;
-
- wxSizeEvent event( wxSize(m_width,m_height), GetId() );
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent( event );
-}
-
-void wxDialog::Centre( int direction )
-{
- wxASSERT_MSG( (m_widget != NULL), _T("invalid dialog") );
-
- int x = 0;
- int y = 0;
-
- if ((direction & wxHORIZONTAL) == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
- if ((direction & wxVERTICAL) == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
-
- Move( x, y );
-}
-
-void wxDialog::OnInternalIdle()
-{
- if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
- GtkOnSize( m_x, m_y, m_width, m_height );
-}
-
-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 );
- }
-
- bool ret = wxWindow::Show( show );
+ wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
- if (show) InitDialog();
+ Show( true );
- return ret;
-}
+ m_modalShowing = true;
-bool wxDialog::IsModal() const
-{
- return m_modalShowing;
-}
+ wxOpenModalDialogsCount++;
-void wxDialog::SetModal( bool WXUNUSED(flag) )
-{
-/*
- if (flag)
- m_windowStyle |= wxDIALOG_MODAL;
- else
- if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
-*/
- wxFAIL_MSG( _T("wxDialog:SetModal obsolete now") );
-}
+ // NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
+ gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);
-int wxDialog::ShowModal()
-{
- if (IsModal())
+ // Run modal dialog event loop.
{
- wxFAIL_MSG( _T("wxDialog:ShowModal called twice") );
- return GetReturnCode();
+ wxGUIEventLoopTiedPtr modal(&m_modalLoop, new wxGUIEventLoop());
+ m_modalLoop->Run();
}
- Show( TRUE );
-
- m_modalShowing = TRUE;
+ gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
- gtk_grab_add( m_widget );
- gtk_main();
- gtk_grab_remove( m_widget );
+ wxOpenModalDialogsCount--;
return GetReturnCode();
}
if (!IsModal())
{
- wxFAIL_MSG( _T("wxDialog:EndModal called twice") );
+ wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" );
return;
}
- m_modalShowing = FALSE;
-
- gtk_main_quit();
-
- Show( FALSE );
-}
-
-void wxDialog::InitDialog()
-{
- wxWindow::InitDialog();
-}
-
-void wxDialog::SetIcon( const wxIcon &icon )
-{
- m_icon = icon;
- if (!icon.Ok()) return;
-
- if (!m_widget->window) return;
+ m_modalShowing = false;
- wxMask *mask = icon.GetMask();
- GdkBitmap *bm = (GdkBitmap *) NULL;
- if (mask) bm = mask->GetBitmap();
+ // 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();
- gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
+ Show( false );
}
projects / wxWidgets.git / blobdiff