/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk/window.cpp
-// Purpose:
+// Purpose: wxWindowGTK implementation
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart
return HandleWindowEvent(event);
}
+bool wxWindowGTK::GTKShouldIgnoreEvent() const
+{
+ return !m_hasVMT || g_blockEventsOnDrag;
+}
+
int wxWindowGTK::GTKCallbackCommonPrologue(GdkEventAny *event) const
{
if (!m_hasVMT)
gtk_im_context_set_client_window( win->m_imData->context,
widget->window);
}
-
+
// We cannot set colours and fonts before the widget
// been realized, so we do this directly after realization
// or otherwise in idle time
void wxWindowGTK::AddChildGTK(wxWindowGTK* child)
{
- /* the window might have been scrolled already, do we
- have to adapt the position */
+ wxASSERT_MSG(m_wxwindow, "Cannot add a child to a window without a client area");
+
+ // the window might have been scrolled already, we
+ // have to adapt the position
wxPizza* pizza = WX_PIZZA(m_wxwindow);
child->m_x += pizza->m_scroll_x;
child->m_y += pizza->m_scroll_y;
void wxWindowGTK::DoMoveWindow(int x, int y, int width, int height)
{
gtk_widget_set_size_request(m_widget, width, height);
+
// inform the parent to perform the move
+ wxASSERT_MSG(m_parent && m_parent->m_wxwindow,
+ "the parent window has no client area?");
WX_PIZZA(m_parent->m_wxwindow)->move(m_widget, x, y);
}
RealizeTabOrder();
}
- // Update style if the window was not yet realized
- // and SetBackgroundStyle(wxBG_STYLE_CUSTOM) was called
+ // Update style if the window was not yet realized when
+ // SetBackgroundStyle() was called
if (m_needsStyleChange)
{
SetBackgroundStyle(GetBackgroundStyle());
bool wxWindowGTK::Show( bool show )
{
- wxCHECK_MSG( (m_widget != NULL), false, wxT("invalid window") );
-
- if (!wxWindowBase::Show(show))
+ if ( !wxWindowBase::Show(show) )
{
// nothing to do
return false;
}
- if (show && m_showOnIdle)
+ // notice that we may call Hide() before the window is created and this is
+ // actually useful to create it hidden initially -- but we can't call
+ // Show() before it is created
+ if ( !m_widget )
{
- // deferred
+ wxASSERT_MSG( !show, "can't show invalid window" );
+ return true;
}
- else
+
+ if ( show )
{
- if (show)
- gtk_widget_show(m_widget);
- else
- gtk_widget_hide(m_widget);
- wxShowEvent eventShow(GetId(), show);
- eventShow.SetEventObject(this);
- HandleWindowEvent(eventShow);
+ if ( m_showOnIdle )
+ {
+ // defer until later
+ return true;
+ }
+
+ gtk_widget_show(m_widget);
}
+ else // hide
+ {
+ gtk_widget_hide(m_widget);
+ }
+
+ wxShowEvent eventShow(GetId(), show);
+ eventShow.SetEventObject(this);
+ HandleWindowEvent(eventShow);
return true;
}
return (int) PANGO_PIXELS(rect.width);
}
-void wxWindowGTK::GetTextExtent( const wxString& string,
- int *x,
- int *y,
- int *descent,
- int *externalLeading,
- const wxFont *theFont ) const
+void wxWindowGTK::DoGetTextExtent( const wxString& string,
+ int *x,
+ int *y,
+ int *descent,
+ int *externalLeading,
+ const wxFont *theFont ) const
{
wxFont fontToUse = theFont ? *theFont : GetFont();
return DoScrollByUnits(ScrollDir_Vert, ScrollUnit_Page, pages);
}
-#include "wx/treectrl.h"
-
void wxWindowGTK::Refresh(bool WXUNUSED(eraseBackground),
const wxRect *rect)
{
- GtkWidget* widget;
- if (m_wxwindow)
- widget = m_wxwindow;
- else if (m_widget)
- widget = m_widget;
- else
- return;
-
- if (!widget->window)
+ if ( !m_widget )
+ {
+ // it is valid to call Refresh() for a window which hasn't been created
+ // yet, it simply doesn't do anything in this case
return;
+ }
- if (rect == NULL)
+ if (!m_wxwindow)
{
- gdk_window_invalidate_rect( widget->window, NULL, TRUE );
+ if (rect)
+ gtk_widget_queue_draw_area( m_widget, rect->x, rect->y, rect->width, rect->height );
+ else
+ gtk_widget_queue_draw( m_widget );
}
else
{
- int x = rect->x;
- if (GetLayoutDirection() == wxLayout_RightToLeft)
- x = GetClientSize().x - x - rect->width;
-
- GdkRectangle r;
- r.x = rect->x;
- r.y = rect->y;
- r.width = rect->width;
- r.height = rect->height;
- gdk_window_invalidate_rect( m_wxwindow->window, &r, TRUE );
+ // Just return if the widget or one of its ancestors isn't mapped
+ GtkWidget *w;
+ for (w = m_wxwindow; w != NULL; w = w->parent)
+ if (!GTK_WIDGET_MAPPED (w))
+ return;
+
+ if (rect)
+ {
+ int x = rect->x;
+ if (GetLayoutDirection() == wxLayout_RightToLeft)
+ x = GetClientSize().x - x - rect->width;
+ GdkRectangle r;
+ r.x = rect->x;
+ r.y = rect->y;
+ r.width = rect->width;
+ r.height = rect->height;
+ gdk_window_invalidate_rect( m_wxwindow->window, &r, TRUE );
+ }
+ else
+ gdk_window_invalidate_rect( m_wxwindow->window, NULL, TRUE );
}
}
// This ensures nothing will overwrite the drawing we are about to do.
gdk_display_sync(display);
- gdk_window_process_updates(m_widget->window, true);
-
+ gdk_window_process_updates(m_widget->window, TRUE);
+
// Flush again, but no need to wait for it to finish
gdk_display_flush(display);
}
}
}
- if (GetThemeEnabled() && (GetBackgroundStyle() == wxBG_STYLE_SYSTEM))
+ switch ( GetBackgroundStyle() )
{
- // find ancestor from which to steal background
- wxWindow *parent = wxGetTopLevelParent((wxWindow *)this);
- if (!parent)
- parent = (wxWindow*)this;
-
- if (GTK_WIDGET_MAPPED(parent->m_widget))
- {
- wxRegionIterator upd( m_nativeUpdateRegion );
- while (upd)
+ case wxBG_STYLE_ERASE:
{
- GdkRectangle rect;
- rect.x = upd.GetX();
- rect.y = upd.GetY();
- rect.width = upd.GetWidth();
- rect.height = upd.GetHeight();
-
- gtk_paint_flat_box( parent->m_widget->style,
- m_wxwindow->window,
- (GtkStateType)GTK_WIDGET_STATE(m_wxwindow),
- GTK_SHADOW_NONE,
- &rect,
- parent->m_widget,
- (char *)"base",
- 0, 0, -1, -1 );
-
- ++upd;
+ wxWindowDC dc( (wxWindow*)this );
+ dc.SetDeviceClippingRegion( m_updateRegion );
+
+ // Work around gtk-qt <= 0.60 bug whereby the window colour
+ // remains grey
+ if ( UseBgCol() &&
+ wxSystemOptions::
+ GetOptionInt("gtk.window.force-background-colour") )
+ {
+ dc.SetBackground(GetBackgroundColour());
+ dc.Clear();
+ }
+
+ wxEraseEvent erase_event( GetId(), &dc );
+ erase_event.SetEventObject( this );
+
+ if ( HandleWindowEvent(erase_event) )
+ {
+ // background erased, don't do it again
+ break;
+ }
}
- }
- }
- else
- {
- wxWindowDC dc( (wxWindow*)this );
- dc.SetDeviceClippingRegion( m_updateRegion );
+ // fall through
- // Work around gtk-qt <= 0.60 bug whereby the window colour
- // remains grey
- if (GetBackgroundStyle() == wxBG_STYLE_COLOUR && GetBackgroundColour().Ok() && wxSystemOptions::GetOptionInt(wxT("gtk.window.force-background-colour")) == 1)
- {
- dc.SetBackground(wxBrush(GetBackgroundColour()));
- dc.Clear();
- }
+ case wxBG_STYLE_SYSTEM:
+ if ( GetThemeEnabled() )
+ {
+ // find ancestor from which to steal background
+ wxWindow *parent = wxGetTopLevelParent((wxWindow *)this);
+ if (!parent)
+ parent = (wxWindow*)this;
- wxEraseEvent erase_event( GetId(), &dc );
- erase_event.SetEventObject( this );
+ if (GTK_WIDGET_MAPPED(parent->m_widget))
+ {
+ wxRegionIterator upd( m_nativeUpdateRegion );
+ while (upd)
+ {
+ GdkRectangle rect;
+ rect.x = upd.GetX();
+ rect.y = upd.GetY();
+ rect.width = upd.GetWidth();
+ rect.height = upd.GetHeight();
+
+ gtk_paint_flat_box( parent->m_widget->style,
+ m_wxwindow->window,
+ (GtkStateType)GTK_WIDGET_STATE(m_wxwindow),
+ GTK_SHADOW_NONE,
+ &rect,
+ parent->m_widget,
+ (char *)"base",
+ 0, 0, -1, -1 );
+
+ ++upd;
+ }
+ }
+ }
+ break;
+
+ case wxBG_STYLE_PAINT:
+ // nothing to do: window will be painted over in EVT_PAINT
+ break;
- HandleWindowEvent(erase_event);
+ default:
+ wxFAIL_MSG( "unsupported background style" );
}
wxNcPaintEvent nc_paint_event( GetId() );
// apply style change (forceStyle=true so that new style is applied
// even if the bg colour changed from valid to wxNullColour)
- if (GetBackgroundStyle() != wxBG_STYLE_CUSTOM)
- GTKApplyWidgetStyle(true);
+ GTKApplyWidgetStyle(true);
return true;
}
{
wxWindowBase::SetBackgroundStyle(style);
- if (style == wxBG_STYLE_CUSTOM)
+ if ( style == wxBG_STYLE_PAINT )
{
GdkWindow *window;
if ( m_wxwindow )
// even if the bg colour changed from valid to wxNullColour):
GTKApplyWidgetStyle(true);
}
+
return true;
}
projects / wxWidgets.git / blobdiff