gtk2/gtk/gtktextdisplay.h
Havoc Pennington 604eebd380 expose the child widgets in here (gtk_text_view_realize): set parent
2001-11-05  Havoc Pennington  <hp@redhat.com>

	* gtk/gtktextview.c (gtk_text_view_paint): expose the child
	widgets in here
	(gtk_text_view_realize): set parent window of child widgets
	(gtk_text_view_size_request): use child req to decide whether
	to invalidate layout, not widget->requisition

	* gtk/gtktextdisplay.c (render_layout_line): set
	shaped_width_pixels for NULL shape objects, so that we properly
	draw the "missing pixbuf/widget" thing
	(render_layout_line): don't draw the widget here
	(gtk_text_layout_draw): pass out a list of widgets that need exposing

	* demos/gtk-demo/textview.c (insert_text): add demo of child
	widgets

	* gtk/gtktextlayout.c (add_child_attrs): remove debug spew

	* gtk/gtktextdisplay.c (render_layout_line): remove debug spew

	* gtk/gtktextview.c (gtk_text_view_update_child_allocation): add
	scroll offsets
	(gtk_text_view_value_changed): poke new X and Y into child allocations
2001-11-06 00:54:24 +00:00

118 lines
5.0 KiB
C

/* gtktextdisplay.c - display layed-out text
*
* Copyright (c) 1992-1994 The Regents of the University of California.
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
* Copyright (c) 2000 Red Hat, Inc.
* Tk->Gtk port by Havoc Pennington
*
* This file can be used under your choice of two licenses, the LGPL
* and the original Tk license.
*
* LGPL:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Original Tk license:
*
* This software is copyrighted by the Regents of the University of
* California, Sun Microsystems, Inc., and other parties. The
* following terms apply to all files associated with the software
* unless explicitly disclaimed in individual files.
*
* The authors hereby grant permission to use, copy, modify,
* distribute, and license this software and its documentation for any
* purpose, provided that existing copyright notices are retained in
* all copies and that this notice is included verbatim in any
* distributions. No written agreement, license, or royalty fee is
* required for any of the authorized uses. Modifications to this
* software may be copyrighted by their authors and need not follow
* the licensing terms described here, provided that the new terms are
* clearly indicated on the first page of each file where they apply.
*
* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY
* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
* DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION,
* OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
* NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
* AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* GOVERNMENT USE: If you are acquiring this software on behalf of the
* U.S. government, the Government shall have only "Restricted Rights"
* in the software and related documentation as defined in the Federal
* Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
* are acquiring the software on behalf of the Department of Defense,
* the software shall be classified as "Commercial Computer Software"
* and the Government shall have only "Restricted Rights" as defined
* in Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the
* foregoing, the authors grant the U.S. Government and others acting
* in its behalf permission to use and distribute the software in
* accordance with the terms specified in this license.
*
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef GTK_TEXT_DISPLAY_H
#define GTK_TEXT_DISPLAY_H
#include <gtk/gtktextlayout.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* A semi-public header intended for use by code that also
* uses GtkTextLayout
*/
/* The drawable should be pre-initialized to your preferred background.
* widget - Widget to grab some style info from
* drawable - Drawable to render to
* cursor_gc - Graphics context to use for cursor
* x_offset/y_offset - Position of the drawable in layout coordinates
* x/y/width/height - Region of the layout to render. x,y must be inside
* the drawable.
* widgets - list of widgets that need exposing
*/
void gtk_text_layout_draw (GtkTextLayout *layout,
GtkWidget *widget,
GdkDrawable *drawable,
GdkGC *cursor_gc,
gint x_offset,
gint y_offset,
gint x,
gint y,
gint width,
gint height,
GList **widgets);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* GTK_TEXT_DISPLAY_H */