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texthandles: set input shape on handles' window

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This improves both interaction and theming, as it allows
arbitrary handle shapes while just being draggable from
the visible areas.

This way themes can set up handles with the hotspot visually
displaced from the horizontal center, as long as the hotspot
lies centered in the image/svg asset.
This commit is contained in:
Carlos Garnacho 2012-10-26 17:48:26 +02:00
parent f6952ceb82
commit 0eb09ac0f2
1 changed files with 23 additions and 19 deletions
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42
gtk/gtktexthandle.c
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@ -127,33 +127,33 @@ _gtk_text_handle_update_shape (GtkTextHandle *handle,
GtkTextHandlePosition pos)
{
GtkTextHandlePrivate *priv;
cairo_surface_t *surface;
cairo_region_t *region;
cairo_t *cr;
priv = handle->priv;
surface =
gdk_window_create_similar_surface (window,
CAIRO_CONTENT_COLOR_ALPHA,
gdk_window_get_width (window),
gdk_window_get_height (window));
cr = cairo_create (surface);
_gtk_text_handle_draw (handle, cr, pos);
cairo_destroy (cr);
region = gdk_cairo_region_create_from_surface (surface);
if (gtk_widget_is_composited (priv->parent))
gdk_window_shape_combine_region (window, NULL, 0, 0);
else
{
cairo_surface_t *surface;
cairo_region_t *region;
cairo_t *cr;
gdk_window_shape_combine_region (window, region, 0, 0);
surface =
gdk_window_create_similar_surface (window,
CAIRO_CONTENT_COLOR_ALPHA,
gdk_window_get_width (window),
gdk_window_get_height (window));
gdk_window_input_shape_combine_region (window, region, 0, 0);
cr = cairo_create (surface);
_gtk_text_handle_draw (handle, cr, pos);
cairo_destroy (cr);
region = gdk_cairo_region_create_from_surface (surface);
gdk_window_shape_combine_region (window, region, 0, 0);
cairo_surface_destroy (surface);
cairo_region_destroy (region);
}
cairo_surface_destroy (surface);
cairo_region_destroy (region);
}
static GdkWindow *
@ -574,6 +574,10 @@ _gtk_text_handle_set_mode (GtkTextHandle *handle,
}
priv->mode = mode;
_gtk_text_handle_update_shape (handle,
priv->windows[GTK_TEXT_HANDLE_POSITION_CURSOR].window,
GTK_TEXT_HANDLE_POSITION_CURSOR);
}
GtkTextHandleMode