position in size_allocate. A second same-size GdkWindow is placed behind
widget->window, to allow GDK to use a more efficient scrolling technique.
-For borders, space is reserved in realize and size_allocate.
-For non-scrolling wxWindows, a second GdkWindow is used for the
-border; scrolling wxWindows draw their border on wxPizza's parent
-(a GtkScrolledWindow) GdkWindow. Border widths for sunken and raised
-styles are taken from widget->style, so they will match the current theme.
+For borders, space is reserved in realize and size_allocate. The border is
+drawn on wxPizza's parent GdkWindow.
For RTL, child widget positions are mirrored in size_allocate.
*/
if (is_resize)
gdk_window_resize(widget->window, w, h);
}
- else if (pizza->m_backing_window)
- {
- // two windows, widget->window is smaller by border widths (need to
- // move widget->window as well as resize because border can change)
- gdk_window_move_resize(pizza->m_backing_window,
- alloc->x, alloc->y, alloc->width, alloc->height);
- gdk_window_move_resize(widget->window, border_x, border_y, w, h);
- }
else
{
// one window
gdk_window_move_resize(widget->window,
- alloc->x, alloc->y, alloc->width, alloc->height);
- }
- if (is_resize && pizza->m_backing_window)
- {
- // wxWidgets turns off redraw-on-allocate by default,
- // so border area needs to be invalidated
- if (border_x > 1 || border_y > 1)
- {
- if (pizza->m_is_scrollable)
- ; // invalidate does not seem to be needed in this case
- else
- gdk_window_invalidate_rect(pizza->m_backing_window, NULL, false);
- }
+ alloc->x + border_x, alloc->y + border_y, w, h);
}
}
// adjust child positions
parent_class->realize(widget);
wxPizza* pizza = WX_PIZZA(widget);
- // second window is created if there is a border, or wxWindow is scrollable
if (pizza->m_border_style || pizza->m_is_scrollable)
{
- GdkWindowAttr attr;
- attr.event_mask = pizza->m_is_scrollable ? 0 : GDK_EXPOSURE_MASK;
- attr.x = widget->allocation.x;
- attr.y = widget->allocation.y;
- attr.width = widget->allocation.width;
- attr.height = widget->allocation.height;
int border_x, border_y;
pizza->get_border_widths(border_x, border_y);
+ int x = widget->allocation.x + border_x;
+ int y = widget->allocation.y + border_y;
int w = widget->allocation.width - 2 * border_x;
int h = widget->allocation.height - 2 * border_y;
if (w < 0) w = 0;
if (h < 0) h = 0;
if (pizza->m_is_scrollable)
{
- attr.x += border_x;
- attr.y += border_y;
+ // second window is created if wxWindow is scrollable
+ GdkWindowAttr attr;
+ attr.event_mask = 0;
+ attr.x = x;
+ attr.y = y;
attr.width = w;
attr.height = h;
- }
- attr.wclass = GDK_INPUT_OUTPUT;
- attr.visual = gtk_widget_get_visual(widget);
- attr.colormap = gtk_widget_get_colormap(widget);
- attr.window_type = GDK_WINDOW_CHILD;
+ attr.wclass = GDK_INPUT_OUTPUT;
+ attr.visual = gtk_widget_get_visual(widget);
+ attr.colormap = gtk_widget_get_colormap(widget);
+ attr.window_type = GDK_WINDOW_CHILD;
- pizza->m_backing_window = gdk_window_new(
- gdk_window_get_parent(widget->window),
- &attr,
- GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP);
+ pizza->m_backing_window = gdk_window_new(
+ gdk_window_get_parent(widget->window),
+ &attr,
+ GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP);
- gdk_window_set_user_data(pizza->m_backing_window, widget);
- if (pizza->m_is_scrollable)
+ gdk_window_set_user_data(pizza->m_backing_window, widget);
gdk_window_reparent(widget->window, pizza->m_backing_window, 0, 0);
- else
- gdk_window_reparent(widget->window, pizza->m_backing_window, border_x, border_y);
- gdk_window_resize(widget->window, w, h);
+ gdk_window_resize(widget->window, w, h);
- // Parts of m_backing_window which are supposed to be obscured may be
- // exposed temporarily while resizing. Setting the backing pixmap to
- // None prevents those areas from being briefly painted black.
- gdk_window_set_back_pixmap(pizza->m_backing_window, NULL, false);
+ // Parts of m_backing_window may be exposed temporarily while
+ // resizing. Setting the backing pixmap to None prevents those
+ // areas from being briefly painted black.
+ gdk_window_set_back_pixmap(pizza->m_backing_window, NULL, false);
+ }
+ else
+ gdk_window_move_resize(widget->window, x, y, w, h);
}
}
void wxPizza::get_border_widths(int& x, int& y)
{
x = y = 0;
+#ifndef __WXUNIVERSAL__
if (m_border_style & wxBORDER_SIMPLE)
x = y = 1;
else if (m_border_style)
y = entry_widget->style->ythickness;
}
}
+#endif
}
}
}
+#ifndef __WXUNIVERSAL__
//-----------------------------------------------------------------------------
-// "expose_event" from m_widget, for drawing border
+// "expose_event" from m_wxwindow->parent, for drawing border
//-----------------------------------------------------------------------------
-#ifndef __WXUNIVERSAL__
-
extern "C" {
static gboolean
expose_event_border(GtkWidget* widget, GdkEventExpose* gdk_event, wxWindow* win)
{
- // if this event is not for the GdkWindow the border is drawn on
- if (win->m_wxwindow == win->m_widget && gdk_event->window == widget->window)
+ if (gdk_event->window != widget->window)
+ return false;
+
+ const GtkAllocation& alloc = win->m_wxwindow->allocation;
+ const int x = alloc.x;
+ const int y = alloc.y;
+ const int w = alloc.width;
+ const int h = alloc.height;
+
+ if (w <= 0 || h <= 0)
return false;
- int x = 0;
- int y = 0;
- // GtkScrolledWindow is GTK_NO_WINDOW
- if (GTK_WIDGET_NO_WINDOW(widget))
- {
- x = widget->allocation.x;
- y = widget->allocation.y;
- }
- int w = win->m_wxwindow->allocation.width;
- int h = win->m_wxwindow->allocation.height;
if (win->HasFlag(wxBORDER_SIMPLE))
{
gdk_draw_rectangle(gdk_event->window,
// Style detail to use
const char* detail;
- if (widget == win->m_wxwindow)
+ if (win->m_widget == win->m_wxwindow)
// for non-scrollable wxWindows
detail = "entry";
else
win->m_wxwindow->style, gdk_event->window, GTK_STATE_NORMAL,
shadow, NULL, wxGTKPrivate::GetEntryWidget(), detail, x, y, w, h);
}
+ return false;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "parent_set" from m_wxwindow
+//-----------------------------------------------------------------------------
- // no further painting is needed for border-only GdkWindow
- return win->m_wxwindow == win->m_widget;
+extern "C" {
+static void
+parent_set(GtkWidget* widget, GtkObject* old_parent, wxWindow* win)
+{
+ if (old_parent)
+ {
+ g_signal_handlers_disconnect_by_func(
+ old_parent, (void*)expose_event_border, win);
+ }
+ if (widget->parent)
+ {
+ g_signal_connect_after(widget->parent, "expose_event",
+ G_CALLBACK(expose_event_border), win);
+ }
}
}
#endif // !__WXUNIVERSAL__
m_wxwindow = wxPizza::New(m_windowStyle);
+#ifndef __WXUNIVERSAL__
+ if (HasFlag(wxPizza::BORDER_STYLES))
+ {
+ g_signal_connect(m_wxwindow, "parent_set",
+ G_CALLBACK(parent_set), this);
+ }
+#endif
if (!HasFlag(wxHSCROLL) && !HasFlag(wxVSCROLL))
m_widget = m_wxwindow;
else
g_signal_connect (m_imData->context, "commit",
G_CALLBACK (gtk_wxwindow_commit_cb), this);
-
- // border drawing
-#ifndef __WXUNIVERSAL__
- if (HasFlag(wxPizza::BORDER_STYLES))
- {
- g_signal_connect(m_widget, "expose_event",
- G_CALLBACK(expose_event_border), this);
- }
-#endif
}
// focus handling
projects / wxWidgets.git / commitdiff
