src/resources.c

   1 /* resources.c - manage X resources (fonts, colors etc)
   2  *
   3  *  WindowMaker window manager
   4  *
   5  *  Copyright (c) 1997, 1998 Alfredo K. Kojima
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22
  23 #include "wconfig.h"
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 #include <X11/Xlib.h>
  30 #include <X11/Xutil.h>
  31
  32 #include <wraster.h>
  33
  34 #include "WindowMaker.h"
  35 #include "texture.h"
  36 #include "screen.h"
  37 #include "pixmap.h"
  38
  39
  40 /*
  41  *----------------------------------------------------------------------
  42  * wLoadFont--
  43  *      Loads a single font into a WFont structure, initializing
  44  * data in it. If the font could not be loaded, fixed will be used.
  45  * If fixed can't be loaded either, the function returns NULL.
  46  *
  47  * Returns:
  48  *      The font structure or NULL on error.
  49  *
  50  *----------------------------------------------------------------------
  51  */
  52 WFont*
  53 wLoadFont(char *font_name)
  54 {
  55     WFont *font;
  56 #ifdef I18N_MB
  57     char **missing;
  58     int num_missing = 0;
  59     char *default_string;
  60     int skyline;
  61 #endif
  62
  63     font = malloc(sizeof(WFont));
  64     if (!font)
  65       return NULL;
  66
  67 #ifdef I18N_MB
  68     font->font = XCreateFontSet(dpy, font_name, &missing, &num_missing,
  69                                 &default_string);
  70     if (num_missing > 0 && font->font) {
  71         wwarning(_("The following character sets are missing in %s:"),
  72                  font_name);
  73         for (skyline = 0; skyline < num_missing; skyline++)
  74           wwarning(missing[skyline]);
  75         XFreeStringList(missing);
  76         wwarning(_("The string \"%s\" will be used in place"),
  77                  default_string);
  78         wwarning(_("of any characters from those sets."));
  79     }
  80     if (!font->font) {
  81         wwarning(_("could not create font set %s. Trying fixed"), font_name);
  82         font->font = XCreateFontSet(dpy, "fixed", &missing, &num_missing,
  83                                     &default_string);
  84         if (num_missing > 0) {
  85             XFreeStringList(missing);
  86         }
  87         if (!font->font) {
  88             free(font);
  89             return NULL;
  90         }
  91     }
  92     font->height = XExtentsOfFontSet(font->font)->max_logical_extent.height;
  93     font->y = font->height+XExtentsOfFontSet(font->font)->max_logical_extent.y;
  94     font->y = font->height-font->y;
  95 #else
  96     font->font = XLoadQueryFont(dpy, font_name);
  97     if (!font->font) {
  98         wwarning(_("could not load font %s. Trying fixed"), font_name);
  99         font->font = XLoadQueryFont(dpy, "fixed");
 100         if (!font->font) {
 101             free(font);
 102             return NULL;
 103         }
 104     }
 105     font->height = font->font->ascent+font->font->descent;
 106     font->y = font->font->ascent;
 107 #endif /* !I18N_MB */
 108
 109     return font;
 110 }
 111
 112
 113
 114 void
 115 wFreeFont(WFont *font)
 116 {
 117 #ifdef I18N_MB
 118     XFreeFontSet(dpy, font->font);
 119 #else
 120     XFreeFont(dpy, font->font);
 121 #endif
 122     free(font);
 123 }
 124
 125
 126 /*
 127  *          wfatal(_("could not load any usable font set"));
 128             wfatal(_("could not load any usable font"));
 129  */
 130
 131
 132 int
 133 wGetColor(WScreen *scr, char *color_name, XColor *color)
 134 {
 135     if (!XParseColor(dpy, scr->colormap, color_name, color)) {
 136         wwarning(_("could not parse color \"%s\""), color_name);
 137         return False;
 138     }
 139     if (!XAllocColor(dpy, scr->colormap, color)) {
 140         wwarning(_("could not allocate color \"%s\""), color_name);
 141         return False;
 142     }
 143     return True;
 144 }
 145
 146
 147 void
 148 wFreeColor(WScreen *scr, unsigned long pixel)
 149 {
 150     if (pixel!=scr->white_pixel && pixel!=scr->black_pixel) {
 151         unsigned long colors[1];
 152
 153         colors[0] = pixel;
 154         XFreeColors(dpy, scr->colormap, colors, 1, 0);
 155     }
 156 }