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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1867 a592a061-630c-0410-9148-cb99ea01b6c8
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Baruch Even
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214
src/frontends/gnome/gnome_helpers.C
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214
src/frontends/gnome/gnome_helpers.C
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// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 2000 The LyX Team.
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*
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* ====================================================== */
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#include <config.h>
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#include <gdk--/font.h>
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#include <gdk/gdktypes.h>
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#include <gdk/gdkx.h>
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#include <glib.h>
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#include "gnome_helpers.h"
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string get_font_name(Gdk_Font const & font)
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{
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gchar * name = get_font_name(font.gdkobj());
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string name_str(name);
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g_free(name);
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return name_str;
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}
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gchar *
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get_font_name (const GdkFont * font)
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{
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Atom font_atom, atom;
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Bool status;
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#ifdef E_FONT_VERBOSE
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gint i;
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g_print ("Extracting X font info\n");
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#endif
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font_atom = gdk_atom_intern ("FONT", FALSE);
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if (font->type == GDK_FONT_FONTSET) {
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XFontStruct **font_structs;
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gint num_fonts;
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gchar **font_names;
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num_fonts = XFontsOfFontSet (GDK_FONT_XFONT (font), &font_structs, &font_names);
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#ifdef E_FONT_VERBOSE
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g_print ("Fonts of fontset:\n");
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for (i = 0; i < num_fonts; i++) g_print (" %s\n", font_names[i]);
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#endif
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status = XGetFontProperty (font_structs[0], font_atom, &atom);
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} else {
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status = XGetFontProperty (GDK_FONT_XFONT (font), font_atom, &atom);
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}
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if (status) {
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return gdk_atom_name (atom);
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}
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return NULL;
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}
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#if USE_UNUSED_STUFF_FROM_E_FONT
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/*
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* Splits full X font name into pieces, overwriting hyphens
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*/
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static void
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split_name (gchar * c[], gchar * name)
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{
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gchar *p;
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gint i;
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p = name;
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if (*p == '-') p++;
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for (i = 0; i < 12; i++) {
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c[i] = p;
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/* Skip text */
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while (*p && (*p != '-')) p++;
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/* Replace hyphen with '\0' */
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if (*p) *p++ = '\0';
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}
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c[i] = p;
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}
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/*
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* Find light and bold variants of a font, ideally using the provided
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* weight for the light variant, and a weight 2 shades darker than it
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* for the bold variant. If there isn't something 2 shades darker, use
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* something 3 or more shades darker if it exists, or 1 shade darker
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* if that's all there is. If there is nothing darker than the provided
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* weight, but there are lighter fonts, then use the darker one for
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* bold and a lighter one for light.
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*/
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static gboolean
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find_variants (gchar **namelist, gint length, gchar *weight,
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gchar **lightname, gchar **boldname)
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{
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static GHashTable *wh = NULL;
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/* Standard, Found, Bold, Light */
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gint sw, fw, bw, lw;
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gchar s[32];
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gchar *f, *b, *l;
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gchar *p;
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gint i;
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if (!wh) {
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wh = g_hash_table_new (g_str_hash, g_str_equal);
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g_hash_table_insert (wh, "light", GINT_TO_POINTER (1));
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g_hash_table_insert (wh, "book", GINT_TO_POINTER (2));
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g_hash_table_insert (wh, "regular", GINT_TO_POINTER (2));
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g_hash_table_insert (wh, "medium", GINT_TO_POINTER (3));
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g_hash_table_insert (wh, "demibold", GINT_TO_POINTER (5));
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g_hash_table_insert (wh, "bold", GINT_TO_POINTER (6));
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g_hash_table_insert (wh, "black", GINT_TO_POINTER (8));
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}
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g_snprintf (s, 32, weight);
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g_strdown (s);
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sw = GPOINTER_TO_INT (g_hash_table_lookup (wh, s));
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if (sw == 0) return FALSE;
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fw = 0; lw = 0; bw = 32;
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f = NULL; l = NULL; b = NULL;
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*lightname = NULL; *boldname = NULL;
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for (i = 0; i < length; i++) {
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p = namelist[i];
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if (*p) p++;
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while (*p && (*p != '-')) p++;
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if (*p) p++;
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while (*p && (*p != '-')) p++;
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if (*p) p++;
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f = p;
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while (*p && (*p != '-')) p++;
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if (*p) *p = '\0';
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g_strdown (f);
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fw = GPOINTER_TO_INT (g_hash_table_lookup (wh, f));
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if (fw) {
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if (fw > sw) {
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if ((fw - 2 == sw) ||
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((fw > bw) && (bw == sw + 1)) ||
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((fw < bw) && (fw - 2 > sw))) {
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bw = fw;
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b = f;
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}
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} else if (fw < sw) {
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if ((fw + 2 == sw) ||
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((fw < lw) && (lw == sw - 1)) ||
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((fw > lw) && (fw + 2 < sw))) {
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lw = fw;
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l = f;
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}
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}
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}
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}
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if (b) {
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*lightname = weight;
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*boldname = b;
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return TRUE;
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} else if (l) {
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*lightname = l;
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*boldname = weight;
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return TRUE;
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}
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return FALSE;
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}
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#endif
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#ifdef E_FONT_VERBOSE
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/*
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* Return newly allocated full name
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*/
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static void
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e_font_print_gdk_font_name (const GdkFont * font)
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{
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Atom font_atom, atom;
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Bool status;
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font_atom = gdk_atom_intern ("FONT", FALSE);
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g_print ("-------- start of font description --------\n");
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if (font == NULL) {
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g_print ("GdkFont is NULL\n");
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} else if (font->type == GDK_FONT_FONTSET) {
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XFontStruct **font_structs;
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gint num_fonts;
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gchar **font_names;
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gint i;
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num_fonts = XFontsOfFontSet (GDK_FONT_XFONT (font), &font_structs, &font_names);
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g_print ("Gdk Fontset, locale: %s\n", XLocaleOfFontSet (GDK_FONT_XFONT (font)));
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for (i = 0; i < num_fonts; i++) {
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g_print (" %s\n", font_names[i]);
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}
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} else {
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gchar * name;
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status = XGetFontProperty (GDK_FONT_XFONT (font), font_atom, &atom);
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name = gdk_atom_name (atom);
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g_print ("GdkFont: %s\n", name);
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if (name) g_free (name);
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}
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g_print ("-------- end of font description --------\n");
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}
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#endif
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