+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * Copyright 2001 Sun Microsystems Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include <math.h>
-#include <stdlib.h>
-#include <gtk/gtk.h>
-#include "gailmisc.h"
-
-/* IMPORTANT!!! This source file does NOT contain the implementation
- * code for AtkUtil - for that code, please see gail/gail.c.
- */
-
-/**
- * SECTION:gailmisc
- * @Short_description: GailMisc is a set of utility functions which may be
- * useful to implementors of Atk interfaces for custom widgets.
- * @Title: GailMisc
- *
- * GailMisc is a set of utility function which are used in the implemementation
- * of Atk interfaces for GTK+ widgets. They may be useful to implementors of
- * Atk interfaces for custom widgets.
- */
-
-
-/**
- * gail_misc_get_extents_from_pango_rectangle:
- * @widget: The widget that contains the PangoLayout, that contains
- * the PangoRectangle
- * @char_rect: The #PangoRectangle from which to calculate extents
- * @x_layout: The x-offset at which the widget displays the
- * PangoLayout that contains the PangoRectangle, relative to @widget
- * @y_layout: The y-offset at which the widget displays the
- * PangoLayout that contains the PangoRectangle, relative to @widget
- * @x: The x-position of the #PangoRectangle relative to @coords
- * @y: The y-position of the #PangoRectangle relative to @coords
- * @width: The width of the #PangoRectangle
- * @height: The height of the #PangoRectangle
- * @coords: An #AtkCoordType enumeration
- *
- * Gets the extents of @char_rect in device coordinates,
- * relative to either top-level window or screen coordinates as
- * specified by @coords.
- **/
-void
-gail_misc_get_extents_from_pango_rectangle (GtkWidget *widget,
- PangoRectangle *char_rect,
- gint x_layout,
- gint y_layout,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords)
-{
- gint x_window, y_window, x_toplevel, y_toplevel;
-
- gail_misc_get_origins (widget, &x_window, &y_window,
- &x_toplevel, &y_toplevel);
-
- *x = (char_rect->x / PANGO_SCALE) + x_layout + x_window;
- *y = (char_rect->y / PANGO_SCALE) + y_layout + y_window;
- if (coords == ATK_XY_WINDOW)
- {
- *x -= x_toplevel;
- *y -= y_toplevel;
- }
- else if (coords != ATK_XY_SCREEN)
- {
- *x = 0;
- *y = 0;
- *height = 0;
- *width = 0;
- return;
- }
- *height = char_rect->height / PANGO_SCALE;
- *width = char_rect->width / PANGO_SCALE;
-
- return;
-}
-
-/**
- * gail_misc_get_index_at_point_in_layout:
- * @widget: A #GtkWidget
- * @layout: The #PangoLayout from which to get the index at the
- * specified point.
- * @x_layout: The x-offset at which the widget displays the
- * #PangoLayout, relative to @widget
- * @y_layout: The y-offset at which the widget displays the
- * #PangoLayout, relative to @widget
- * @x: The x-coordinate relative to @coords at which to
- * calculate the index
- * @y: The y-coordinate relative to @coords at which to
- * calculate the index
- * @coords: An #AtkCoordType enumeration
- *
- * Gets the byte offset at the specified @x and @y in a #PangoLayout.
- *
- * Returns: the byte offset at the specified @x and @y in a
- * #PangoLayout
- **/
-gint
-gail_misc_get_index_at_point_in_layout (GtkWidget *widget,
- PangoLayout *layout,
- gint x_layout,
- gint y_layout,
- gint x,
- gint y,
- AtkCoordType coords)
-{
- gint index, x_window, y_window, x_toplevel, y_toplevel;
- gint x_temp, y_temp;
- gboolean ret;
-
- gail_misc_get_origins (widget, &x_window, &y_window,
- &x_toplevel, &y_toplevel);
- x_temp = x - x_layout - x_window;
- y_temp = y - y_layout - y_window;
- if (coords == ATK_XY_WINDOW)
- {
- x_temp += x_toplevel;
- y_temp += y_toplevel;
- }
- else if (coords != ATK_XY_SCREEN)
- return -1;
-
- ret = pango_layout_xy_to_index (layout,
- x_temp * PANGO_SCALE,
- y_temp * PANGO_SCALE,
- &index, NULL);
- if (!ret)
- {
- if (x_temp < 0 || y_temp < 0)
- index = 0;
- else
- index = -1;
- }
- return index;
-}
-
-
-/**
- * gail_misc_get_origins:
- * @widget: a #GtkWidget
- * @x_window: the x-origin of the widget->window
- * @y_window: the y-origin of the widget->window
- * @x_toplevel: the x-origin of the toplevel window for widget->window
- * @y_toplevel: the y-origin of the toplevel window for widget->window
- *
- * Gets the origin of the widget window, and the origin of the
- * widgets top-level window.
- **/
-void
-gail_misc_get_origins (GtkWidget *widget,
- gint *x_window,
- gint *y_window,
- gint *x_toplevel,
- gint *y_toplevel)
-{
- GdkWindow *window;
-
- if (GTK_IS_TREE_VIEW (widget))
- window = gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget));
- else
- window = gtk_widget_get_window (widget);
-
- gdk_window_get_origin (window, x_window, y_window);
- window = gdk_window_get_toplevel (gtk_widget_get_window (widget));
- gdk_window_get_origin (window, x_toplevel, y_toplevel);
-}
projects / ~andy / gtk / blobdiff