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widget: Remove gtk_cairo_transform_to_window

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Useless in a world without windows and cairo.
This commit is contained in:
Timm Bäder 2017-07-08 21:10:17 +02:00 committed by Matthias Clasen
parent f637006b3e
commit 0ebd8840a8
2 changed files with 0 additions and 75 deletions
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1
docs/reference/gtk/gtk4-sections.txt
View File

@ -4607,7 +4607,6 @@ gtk_widget_trigger_tooltip_query
gtk_widget_get_window
gtk_widget_register_window
gtk_widget_unregister_window
gtk_cairo_transform_to_window
gtk_widget_get_allocated_width
gtk_widget_get_allocated_height
gtk_widget_get_allocation

74
gtk/gtkwidget.c
View File

@ -6792,80 +6792,6 @@ out:
return return_val;
}
/* Returns TRUE if a translation should be done */
static gboolean
_gtk_widget_get_translation_to_window (GtkWidget *widget,
GdkWindow *window,
int *x,
int *y)
{
GdkWindow *w, *widget_window;
if (!_gtk_widget_get_has_window (widget))
{
*x = -widget->priv->allocation.x;
*y = -widget->priv->allocation.y;
}
else
{
*x = 0;
*y = 0;
}
widget_window = _gtk_widget_get_window (widget);
for (w = window; w && w != widget_window; w = gdk_window_get_parent (w))
{
int wx, wy;
gdk_window_get_position (w, &wx, &wy);
*x += wx;
*y += wy;
}
if (w == NULL)
{
*x = 0;
*y = 0;
return FALSE;
}
return TRUE;
}
/**
* gtk_cairo_transform_to_window:
* @cr: the cairo context to transform
* @widget: the widget the context is currently centered for
* @window: the window to transform the context to
*
* Transforms the given cairo context @cr that from @widget-relative
* coordinates to @window-relative coordinates.
* If the @widget’s window is not an ancestor of @window, no
* modification will be applied.
*
* This is the inverse to the transformation GTK applies when
* preparing an expose event to be emitted with the #GtkWidget::draw
* signal. It is intended to help porting multiwindow widgets from
* GTK+ 2 to the rendering architecture of GTK+ 3.
*
* Since: 3.0
**/
void
gtk_cairo_transform_to_window (cairo_t *cr,
GtkWidget *widget,
GdkWindow *window)
{
int x, y;
g_return_if_fail (cr != NULL);
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (GDK_IS_WINDOW (window));
if (_gtk_widget_get_translation_to_window (widget, window, &x, &y))
cairo_translate (cr, x, y);
}
static gboolean
event_window_is_still_viewable (const GdkEvent *event)
{