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Add hints on how to handle "no window" widgets. (#136347)

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2005-07-21  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtkwidget.c (gtk_widget_modify_bg, gtk_widget_modify_base):
	Add hints on how to handle "no window" widgets.  (#136347)
This commit is contained in:
Matthias Clasen 2005-07-21 04:33:37 +00:00 committed by Matthias Clasen
parent 9917173c41
commit a5bc998bfd
4 changed files with 50 additions and 1 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2005-07-21 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkwidget.c (gtk_widget_modify_bg, gtk_widget_modify_base):
Add hints on how to handle "no window" widgets. (#136347)
2005-07-20 Keith Packard <keithp@keithp.com>
* gdk/x11/gdkdrawable-x11.c: (gdk_x11_ref_cairo_surface):

6
ChangeLog.pre-2-10
View File

@ -1,3 +1,9 @@
2005-07-21 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkwidget.c (gtk_widget_modify_bg, gtk_widget_modify_base):
Add hints on how to handle "no window" widgets. (#136347)
2005-07-20 Keith Packard <keithp@keithp.com>
* gdk/x11/gdkdrawable-x11.c: (gdk_x11_ref_cairo_surface):

6
ChangeLog.pre-2-8
View File

@ -1,3 +1,9 @@
2005-07-21 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkwidget.c (gtk_widget_modify_bg, gtk_widget_modify_base):
Add hints on how to handle "no window" widgets. (#136347)
2005-07-20 Keith Packard <keithp@keithp.com>
* gdk/x11/gdkdrawable-x11.c: (gdk_x11_ref_cairo_surface):

31
gtk/gtkwidget.c
View File

@ -2343,6 +2343,18 @@ gtk_widget_realize (GtkWidget *widget)
}
}
static void
check_window (gpointer window,
gpointer widget)
{
gpointer data;
gdk_window_get_user_data (GDK_WINDOW (window), &data);
if (data == widget)
g_warning ("Faulty widget implementation: unrealize failed to clear window");
}
/**
* gtk_widget_unrealize:
* @widget: a #GtkWidget
@ -2367,6 +2379,11 @@ gtk_widget_unrealize (GtkWidget *widget)
GTK_WIDGET_UNSET_FLAGS (widget, GTK_REALIZED | GTK_MAPPED);
g_object_unref (widget);
}
#ifdef GDK_WINDOWING_X11
gdk_x11_display_foreach_window (gtk_widget_get_display (widget),
check_window, widget);
#endif
}
/*****************************************
@ -4802,6 +4819,13 @@ gtk_widget_modify_fg (GtkWidget *widget,
* Sets the background color for a widget in a particular state. All
* other style values are left untouched. See also
* gtk_widget_modify_style().
*
* Note that "no window" widgets (which have the %GTK_NO_WINDOW flag set)
* draw on their parent container's window and thus may not draw any background
* themselves. This is the case for e.g. #GtkLabel. To modify the background
* of such widgets, you have to set the background color on their parent; if you want
* to set the background of a rectangular area around a label, try placing the
* label in a #GtkEventBox widget and setting the background color on that.
**/
void
gtk_widget_modify_bg (GtkWidget *widget,
@ -4852,6 +4876,13 @@ gtk_widget_modify_text (GtkWidget *widget,
* is the background color used along with the text color
* (see gtk_widget_modify_text()) for widgets such as #GtkEntry
* and #GtkTextView. See also gtk_widget_modify_style().
*
* Note that "no window" widgets (which have the %GTK_NO_WINDOW flag set)
* draw on their parent container's window and thus may not draw any background
* themselves. This is the case for e.g. #GtkLabel. To modify the background
* of such widgets, you have to set the base color on their parent; if you want
* to set the background of a rectangular area around a label, try placing the
* label in a #GtkEventBox widget and setting the base color on that.
**/
void
gtk_widget_modify_base (GtkWidget *widget,