forked from AuroraMiddleware/gtk
69915aa710
Sat Sep 8 16:19:02 2001 Owen Taylor <otaylor@redhat.com> * gtk/gtkmain.c: Implement a search path for GTK+ modules. * configure.in gtk/gtkrc.c gtk/Makefile.am: Look for modules in gtk-2.0/<type>/major.minor.(micro-binary_age) rather than in gtk-2.0/major.minor.micro/<type>/. This works better for a search path for modules. * gtk+-2.0.pc.in gtk+-2.0-uninstalled.pc.in: Add gtk_binary_version variable holding major.minor.(micro-binary_age). * modules/input/Makefile.am (moduledir): Fix installation directory to match change in lookup location. * gtk/gtkmain.c (gtk_init_check): Remove OS/2 code for dll suffixes. Needs to be handled in g_module_build_path(). * gtk/gtkrc.c gtk/queryimmodules.c: Use g_build_filename() where appropriate.
705 lines
16 KiB
C
705 lines
16 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <X11/Xlib.h>
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#include <X11/Xos.h>
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#include <pango/pangox.h>
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#include "gdkfont.h"
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#include "gdkprivate-x11.h"
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typedef struct _GdkFontPrivateX GdkFontPrivateX;
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struct _GdkFontPrivateX
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{
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GdkFontPrivate base;
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/* XFontStruct *xfont; */
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/* generic pointer point to XFontStruct or XFontSet */
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gpointer xfont;
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Display *xdisplay;
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GSList *names;
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};
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static GHashTable *font_name_hash = NULL;
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static GHashTable *fontset_name_hash = NULL;
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static void
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gdk_font_hash_insert (GdkFontType type, GdkFont *font, const gchar *font_name)
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{
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GdkFontPrivateX *private = (GdkFontPrivateX *)font;
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GHashTable **hashp = (type == GDK_FONT_FONT) ?
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&font_name_hash : &fontset_name_hash;
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if (!*hashp)
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*hashp = g_hash_table_new (g_str_hash, g_str_equal);
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private->names = g_slist_prepend (private->names, g_strdup (font_name));
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g_hash_table_insert (*hashp, private->names->data, font);
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}
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static void
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gdk_font_hash_remove (GdkFontType type, GdkFont *font)
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{
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GdkFontPrivateX *private = (GdkFontPrivateX *)font;
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GSList *tmp_list;
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GHashTable *hash = (type == GDK_FONT_FONT) ?
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font_name_hash : fontset_name_hash;
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tmp_list = private->names;
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while (tmp_list)
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{
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g_hash_table_remove (hash, tmp_list->data);
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g_free (tmp_list->data);
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tmp_list = tmp_list->next;
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}
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g_slist_free (private->names);
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private->names = NULL;
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}
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static GdkFont *
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gdk_font_hash_lookup (GdkFontType type, const gchar *font_name)
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{
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GdkFont *result;
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GHashTable *hash = (type == GDK_FONT_FONT) ?
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font_name_hash : fontset_name_hash;
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if (!hash)
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return NULL;
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else
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{
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result = g_hash_table_lookup (hash, font_name);
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if (result)
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gdk_font_ref (result);
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return result;
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}
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}
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GdkFont*
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gdk_font_load (const gchar *font_name)
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{
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GdkFont *font;
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GdkFontPrivateX *private;
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XFontStruct *xfont;
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g_return_val_if_fail (font_name != NULL, NULL);
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font = gdk_font_hash_lookup (GDK_FONT_FONT, font_name);
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if (font)
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return font;
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xfont = XLoadQueryFont (gdk_display, font_name);
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if (xfont == NULL)
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return NULL;
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font = gdk_font_lookup (xfont->fid);
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if (font != NULL)
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{
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private = (GdkFontPrivateX *) font;
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if (xfont != private->xfont)
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XFreeFont (gdk_display, xfont);
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gdk_font_ref (font);
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}
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else
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{
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private = g_new (GdkFontPrivateX, 1);
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private->xdisplay = gdk_display;
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private->xfont = xfont;
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private->base.ref_count = 1;
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private->names = NULL;
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font = (GdkFont*) private;
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font->type = GDK_FONT_FONT;
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font->ascent = xfont->ascent;
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font->descent = xfont->descent;
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gdk_xid_table_insert (&xfont->fid, font);
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}
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gdk_font_hash_insert (GDK_FONT_FONT, font, font_name);
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return font;
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}
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static char *
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gdk_font_charset_for_locale (void)
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{
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static char *charset_map[][2] = {
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{ "ANSI_X3.4-1968", "iso8859-1" },
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{ "US-ASCII", "iso8859-1" },
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{ "ISO-8859-1", "iso8859-1" },
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{ "ISO-8859-2", "iso8859-2" },
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{ "ISO-8859-3", "iso8859-3" },
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{ "ISO-8859-4", "iso8859-4" },
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{ "ISO-8859-5", "iso8859-5" },
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{ "ISO-8859-6", "iso8859-6" },
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{ "ISO-8859-7", "iso8859-7" },
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{ "ISO-8859-8", "iso8859-8" },
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{ "ISO-8859-9", "iso8859-9" },
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{ "UTF-8", "iso8859-1" }
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};
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const char *codeset;
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char *result = NULL;
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int i;
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g_get_charset (&codeset);
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for (i=0; i < G_N_ELEMENTS (charset_map); i++)
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if (strcmp (charset_map[i][0], codeset) == 0)
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{
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result = charset_map[i][1];
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break;
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}
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if (result)
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return g_strdup (result);
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else
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return g_strdup ("iso8859-1");
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};
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/**
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* gdk_font_from_description:
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* @font_desc: a #PangoFontDescription.
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*
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* Load a #GdkFont based on a Pango font description. This font will
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* only be an approximation of the Pango font, and
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* internationalization will not be handled correctly. This function
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* should only be used for legacy code that cannot be easily converted
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* to use Pango. Using Pango directly will produce better results.
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*
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* Return value: the newly loaded font, or %NULL if the font
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* cannot be loaded.
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**/
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GdkFont*
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gdk_font_from_description (PangoFontDescription *font_desc)
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{
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PangoFontMap *font_map;
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PangoFont *font;
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GdkFont *result = NULL;
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g_return_val_if_fail (font_desc != NULL, NULL);
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font_map = pango_x_font_map_for_display (GDK_DISPLAY ());
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font = pango_font_map_load_font (font_map, font_desc);
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if (font)
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{
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gchar *charset = gdk_font_charset_for_locale ();
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gint n_subfonts;
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PangoXSubfont *subfont_ids;
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gint *subfont_charsets;
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n_subfonts = pango_x_list_subfonts (font, &charset, 1,
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&subfont_ids, &subfont_charsets);
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if (n_subfonts > 0)
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{
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gchar *xlfd = pango_x_font_subfont_xlfd (font, subfont_ids[0]);
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result = gdk_font_load (xlfd);
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g_free (xlfd);
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}
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g_free (subfont_ids);
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g_free (subfont_charsets);
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g_free (charset);
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g_object_unref (G_OBJECT (font));
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}
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return result;
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}
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GdkFont*
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gdk_fontset_load (const gchar *fontset_name)
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{
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GdkFont *font;
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GdkFontPrivateX *private;
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XFontSet fontset;
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gint missing_charset_count;
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gchar **missing_charset_list;
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gchar *def_string;
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font = gdk_font_hash_lookup (GDK_FONT_FONTSET, fontset_name);
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if (font)
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return font;
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private = g_new (GdkFontPrivateX, 1);
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font = (GdkFont*) private;
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private->xdisplay = gdk_display;
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fontset = XCreateFontSet (gdk_display, fontset_name,
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&missing_charset_list, &missing_charset_count,
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&def_string);
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if (missing_charset_count)
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{
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gint i;
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g_warning ("Missing charsets in FontSet creation\n");
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for (i=0;i<missing_charset_count;i++)
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g_warning (" %s\n", missing_charset_list[i]);
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XFreeStringList (missing_charset_list);
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}
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private->base.ref_count = 1;
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if (!fontset)
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{
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g_free (font);
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return NULL;
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}
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else
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{
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gint num_fonts;
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gint i;
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XFontStruct **font_structs;
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gchar **font_names;
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private->xfont = fontset;
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font->type = GDK_FONT_FONTSET;
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num_fonts = XFontsOfFontSet (fontset, &font_structs, &font_names);
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font->ascent = font->descent = 0;
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for (i = 0; i < num_fonts; i++)
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{
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font->ascent = MAX (font->ascent, font_structs[i]->ascent);
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font->descent = MAX (font->descent, font_structs[i]->descent);
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}
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private->names = NULL;
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gdk_font_hash_insert (GDK_FONT_FONTSET, font, fontset_name);
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return font;
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}
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}
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void
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_gdk_font_destroy (GdkFont *font)
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{
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GdkFontPrivateX *private = (GdkFontPrivateX *)font;
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gdk_font_hash_remove (font->type, font);
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switch (font->type)
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{
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case GDK_FONT_FONT:
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gdk_xid_table_remove (((XFontStruct *) private->xfont)->fid);
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XFreeFont (private->xdisplay, (XFontStruct *) private->xfont);
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break;
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case GDK_FONT_FONTSET:
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XFreeFontSet (private->xdisplay, (XFontSet) private->xfont);
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break;
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default:
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g_error ("unknown font type.");
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break;
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}
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g_free (font);
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}
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gint
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_gdk_font_strlen (GdkFont *font,
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const gchar *str)
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{
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GdkFontPrivateX *font_private;
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gint length = 0;
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (str != NULL, -1);
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font_private = (GdkFontPrivateX*) font;
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if (font->type == GDK_FONT_FONT)
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{
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XFontStruct *xfont = (XFontStruct *) font_private->xfont;
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if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
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{
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length = strlen (str);
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}
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else
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{
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guint16 *string_2b = (guint16 *)str;
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while (*(string_2b++))
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length++;
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}
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}
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else if (font->type == GDK_FONT_FONTSET)
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{
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length = strlen (str);
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}
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else
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g_error("undefined font type\n");
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return length;
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}
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gint
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gdk_font_id (const GdkFont *font)
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{
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const GdkFontPrivateX *font_private;
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g_return_val_if_fail (font != NULL, 0);
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font_private = (const GdkFontPrivateX*) font;
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if (font->type == GDK_FONT_FONT)
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{
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return ((XFontStruct *) font_private->xfont)->fid;
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}
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else
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{
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return 0;
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}
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}
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gboolean
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gdk_font_equal (const GdkFont *fonta,
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const GdkFont *fontb)
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{
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const GdkFontPrivateX *privatea;
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const GdkFontPrivateX *privateb;
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g_return_val_if_fail (fonta != NULL, FALSE);
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g_return_val_if_fail (fontb != NULL, FALSE);
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privatea = (const GdkFontPrivateX*) fonta;
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privateb = (const GdkFontPrivateX*) fontb;
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if (fonta->type == GDK_FONT_FONT && fontb->type == GDK_FONT_FONT)
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{
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return (((XFontStruct *) privatea->xfont)->fid ==
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((XFontStruct *) privateb->xfont)->fid);
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}
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else if (fonta->type == GDK_FONT_FONTSET && fontb->type == GDK_FONT_FONTSET)
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{
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gchar *namea, *nameb;
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namea = XBaseFontNameListOfFontSet((XFontSet) privatea->xfont);
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nameb = XBaseFontNameListOfFontSet((XFontSet) privateb->xfont);
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return (strcmp(namea, nameb) == 0);
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}
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else
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/* fontset != font */
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return 0;
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}
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gint
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gdk_text_width (GdkFont *font,
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const gchar *text,
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gint text_length)
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{
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GdkFontPrivateX *private;
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gint width;
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XFontStruct *xfont;
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XFontSet fontset;
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (text != NULL, -1);
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private = (GdkFontPrivateX*) font;
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switch (font->type)
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{
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case GDK_FONT_FONT:
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xfont = (XFontStruct *) private->xfont;
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if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
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{
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width = XTextWidth (xfont, text, text_length);
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}
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else
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{
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width = XTextWidth16 (xfont, (XChar2b *) text, text_length / 2);
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}
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break;
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case GDK_FONT_FONTSET:
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fontset = (XFontSet) private->xfont;
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width = XmbTextEscapement (fontset, text, text_length);
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break;
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default:
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width = 0;
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}
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return width;
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}
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gint
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gdk_text_width_wc (GdkFont *font,
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const GdkWChar *text,
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gint text_length)
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{
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GdkFontPrivateX *private;
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gint width;
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XFontStruct *xfont;
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XFontSet fontset;
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (text != NULL, -1);
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private = (GdkFontPrivateX*) font;
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switch (font->type)
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{
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case GDK_FONT_FONT:
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xfont = (XFontStruct *) private->xfont;
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if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
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{
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gchar *text_8bit;
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gint i;
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text_8bit = g_new (gchar, text_length);
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for (i=0; i<text_length; i++) text_8bit[i] = text[i];
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width = XTextWidth (xfont, text_8bit, text_length);
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g_free (text_8bit);
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}
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else
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{
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width = 0;
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}
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break;
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case GDK_FONT_FONTSET:
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if (sizeof(GdkWChar) == sizeof(wchar_t))
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{
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fontset = (XFontSet) private->xfont;
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width = XwcTextEscapement (fontset, (wchar_t *)text, text_length);
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}
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else
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{
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wchar_t *text_wchar;
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gint i;
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fontset = (XFontSet) private->xfont;
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text_wchar = g_new(wchar_t, text_length);
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for (i=0; i<text_length; i++) text_wchar[i] = text[i];
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width = XwcTextEscapement (fontset, text_wchar, text_length);
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g_free (text_wchar);
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}
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break;
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default:
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width = 0;
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}
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return width;
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}
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void
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gdk_text_extents (GdkFont *font,
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const gchar *text,
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gint text_length,
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gint *lbearing,
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gint *rbearing,
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gint *width,
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gint *ascent,
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gint *descent)
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{
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GdkFontPrivateX *private;
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XCharStruct overall;
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XFontStruct *xfont;
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XFontSet fontset;
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XRectangle ink, logical;
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int direction;
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int font_ascent;
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int font_descent;
|
|
|
|
g_return_if_fail (font != NULL);
|
|
g_return_if_fail (text != NULL);
|
|
|
|
private = (GdkFontPrivateX*) font;
|
|
|
|
switch (font->type)
|
|
{
|
|
case GDK_FONT_FONT:
|
|
xfont = (XFontStruct *) private->xfont;
|
|
if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
|
|
{
|
|
XTextExtents (xfont, text, text_length,
|
|
&direction, &font_ascent, &font_descent,
|
|
&overall);
|
|
}
|
|
else
|
|
{
|
|
XTextExtents16 (xfont, (XChar2b *) text, text_length / 2,
|
|
&direction, &font_ascent, &font_descent,
|
|
&overall);
|
|
}
|
|
if (lbearing)
|
|
*lbearing = overall.lbearing;
|
|
if (rbearing)
|
|
*rbearing = overall.rbearing;
|
|
if (width)
|
|
*width = overall.width;
|
|
if (ascent)
|
|
*ascent = overall.ascent;
|
|
if (descent)
|
|
*descent = overall.descent;
|
|
break;
|
|
case GDK_FONT_FONTSET:
|
|
fontset = (XFontSet) private->xfont;
|
|
XmbTextExtents (fontset, text, text_length, &ink, &logical);
|
|
if (lbearing)
|
|
*lbearing = ink.x;
|
|
if (rbearing)
|
|
*rbearing = ink.x + ink.width;
|
|
if (width)
|
|
*width = logical.width;
|
|
if (ascent)
|
|
*ascent = -ink.y;
|
|
if (descent)
|
|
*descent = ink.y + ink.height;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
gdk_text_extents_wc (GdkFont *font,
|
|
const GdkWChar *text,
|
|
gint text_length,
|
|
gint *lbearing,
|
|
gint *rbearing,
|
|
gint *width,
|
|
gint *ascent,
|
|
gint *descent)
|
|
{
|
|
GdkFontPrivateX *private;
|
|
XCharStruct overall;
|
|
XFontStruct *xfont;
|
|
XFontSet fontset;
|
|
XRectangle ink, logical;
|
|
int direction;
|
|
int font_ascent;
|
|
int font_descent;
|
|
|
|
g_return_if_fail (font != NULL);
|
|
g_return_if_fail (text != NULL);
|
|
|
|
private = (GdkFontPrivateX*) font;
|
|
|
|
switch (font->type)
|
|
{
|
|
case GDK_FONT_FONT:
|
|
{
|
|
gchar *text_8bit;
|
|
gint i;
|
|
|
|
xfont = (XFontStruct *) private->xfont;
|
|
g_return_if_fail ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0));
|
|
|
|
text_8bit = g_new (gchar, text_length);
|
|
for (i=0; i<text_length; i++)
|
|
text_8bit[i] = text[i];
|
|
|
|
XTextExtents (xfont, text_8bit, text_length,
|
|
&direction, &font_ascent, &font_descent,
|
|
&overall);
|
|
g_free (text_8bit);
|
|
|
|
if (lbearing)
|
|
*lbearing = overall.lbearing;
|
|
if (rbearing)
|
|
*rbearing = overall.rbearing;
|
|
if (width)
|
|
*width = overall.width;
|
|
if (ascent)
|
|
*ascent = overall.ascent;
|
|
if (descent)
|
|
*descent = overall.descent;
|
|
break;
|
|
}
|
|
case GDK_FONT_FONTSET:
|
|
fontset = (XFontSet) private->xfont;
|
|
|
|
if (sizeof(GdkWChar) == sizeof(wchar_t))
|
|
XwcTextExtents (fontset, (wchar_t *)text, text_length, &ink, &logical);
|
|
else
|
|
{
|
|
wchar_t *text_wchar;
|
|
gint i;
|
|
|
|
text_wchar = g_new (wchar_t, text_length);
|
|
for (i = 0; i < text_length; i++)
|
|
text_wchar[i] = text[i];
|
|
XwcTextExtents (fontset, text_wchar, text_length, &ink, &logical);
|
|
g_free (text_wchar);
|
|
}
|
|
if (lbearing)
|
|
*lbearing = ink.x;
|
|
if (rbearing)
|
|
*rbearing = ink.x + ink.width;
|
|
if (width)
|
|
*width = logical.width;
|
|
if (ascent)
|
|
*ascent = -ink.y;
|
|
if (descent)
|
|
*descent = ink.y + ink.height;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
Display *
|
|
gdk_x11_font_get_xdisplay (GdkFont *font)
|
|
{
|
|
g_return_val_if_fail (font != NULL, NULL);
|
|
|
|
return ((GdkFontPrivateX *)font)->xdisplay;
|
|
}
|
|
|
|
gpointer
|
|
gdk_x11_font_get_xfont (GdkFont *font)
|
|
{
|
|
g_return_val_if_fail (font != NULL, NULL);
|
|
|
|
return ((GdkFontPrivateX *)font)->xfont;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_font_get_name:
|
|
* @font: a #GdkFont.
|
|
*
|
|
* Return the X Logical Font Description (for font->type == GDK_FONT_FONT)
|
|
* or comma separated list of XLFDs (for font->type == GDK_FONT_FONTSET)
|
|
* that was used to load the font. If the same font was loaded
|
|
* via multiple names, which name is returned is undefined.
|
|
*
|
|
* Return value: the name of the font. This string is owned
|
|
* by GDK and must not be modified or freed.
|
|
**/
|
|
G_CONST_RETURN char *
|
|
gdk_x11_font_get_name (GdkFont *font)
|
|
{
|
|
GdkFontPrivateX *private = (GdkFontPrivateX *)font;
|
|
|
|
g_return_val_if_fail (font != NULL, NULL);
|
|
|
|
g_assert (private->names);
|
|
|
|
return private->names->data;
|
|
}
|
|
|