awesome-message.c

   1 /*
   2  * awesome-message.c - message window for awesome
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #define _GNU_SOURCE
  23 #include <getopt.h>
  24 #include <unistd.h>
  25 #include <stdlib.h>
  26 #include <X11/Xlib.h>
  27
  28 #include "common/swindow.h"
  29 #include "common/util.h"
  30 #include "common/awesome-version.h"
  31
  32 #define PROGNAME "awesome-message"
  33
  34 static void __attribute__ ((noreturn))
  35 exit_help(int exit_code)
  36 {
  37     FILE *outfile = (exit_code == EXIT_SUCCESS) ? stdout : stderr;
  38     fprintf(outfile, "Usage: %s [-x xcoord] [-y ycoord] [-f fgcolor] [-b bgcolor] <message> <icon>\n",
  39             PROGNAME);
  40     exit(exit_code);
  41 }
  42
  43 int
  44 main(int argc, char **argv)
  45 {
  46     Display *disp;
  47     SimpleWindow *sw;
  48     DrawCtx *ctx;
  49     XColor fg, bg;
  50     XEvent ev;
  51     Bool running = True;
  52     const char *fg_color = "#000000";
  53     const char *bg_color = "#ffffff";
  54     int opt;
  55     Area geometry = { 0, 0, 200, 50, NULL },
  56          icon_geometry = { -1, -1, -1, -1, NULL };
  57     XftFont *font = NULL;
  58     int option_index = 0;
  59     static struct option long_options[] = {
  60         {"help",    0, NULL, 'h'},
  61         {"version", 0, NULL, 'v'},
  62         {NULL,      0, NULL, 0}
  63     };
  64
  65     if(!(disp = XOpenDisplay(NULL)))
  66         eprint("unable to open display");
  67
  68     while((opt = getopt_long(argc, argv, "vhf:b:x:y:n:",
  69                              long_options, &option_index)) != -1)
  70         switch(opt)
  71         {
  72           case 'v':
  73             eprint_version(PROGNAME);
  74             break;
  75           case 'f':
  76             fg_color = a_strdup(optarg);
  77             break;
  78           case 'b':
  79             bg_color = a_strdup(optarg);
  80             break;
  81           case 'x':
  82             geometry.x = atoi(optarg);
  83             break;
  84           case 'y':
  85             geometry.y = atoi(optarg);
  86             break;
  87           case 'h':
  88             exit_help(EXIT_SUCCESS);
  89             break;
  90           case 'n':
  91             font = XftFontOpenName(disp, DefaultScreen(disp), optarg);
  92             break;
  93         }
  94
  95     if(argc - optind < 1)
  96         exit_help(EXIT_FAILURE);
  97
  98     if(!font)
  99         font = XftFontOpenName(disp, DefaultScreen(disp), "vera-12");
 100
 101     geometry.width = draw_textwidth(disp, font, argv[optind]);
 102     geometry.height = font->height * 1.5;
 103
 104     if(argc - optind >= 2)
 105     {
 106         icon_geometry = draw_get_image_size(argv[optind + 1]);
 107         if(icon_geometry.width <= 0 || icon_geometry.height <= 0)
 108             eprint("invalid image\n");
 109         else
 110             geometry.width += icon_geometry.width * ((double) font->height / (double) icon_geometry.height);
 111     }
 112
 113     sw = simplewindow_new(disp, DefaultScreen(disp),
 114                           geometry.x, geometry.y, geometry.width, geometry.height, 0);
 115
 116     XStoreName(disp, sw->window, "awmessage");
 117
 118     ctx = draw_context_new(disp, DefaultScreen(disp),
 119                            geometry.width, geometry.height, sw->drawable);
 120
 121
 122     bg = draw_color_new(disp, DefaultScreen(disp), bg_color);
 123     fg = draw_color_new(disp, DefaultScreen(disp), fg_color);
 124
 125     geometry.x = geometry.y = 0;
 126     draw_text(ctx, geometry, AlignRight,
 127               0, font, argv[optind], fg, bg);
 128
 129     if(icon_geometry.width > 0 && icon_geometry.height > 0)
 130         draw_image(ctx, 0, (geometry.height / 2) - (font->height / 2),
 131                    font->height,
 132                    argv[optind + 1]);
 133
 134     p_delete(&ctx);
 135
 136     simplewindow_refresh_drawable(sw, DefaultScreen(disp));
 137
 138     XMapRaised(disp, sw->window);
 139     XSync(disp, False);
 140
 141     while (running)
 142     {
 143        XNextEvent(disp, &ev);
 144        switch (ev.type)
 145        {
 146          case ButtonPress:
 147          case KeyPress:
 148            running = False;
 149          case Expose:
 150            simplewindow_refresh_drawable(sw, DefaultScreen(disp));
 151            break;
 152          default:
 153            break;
 154        }
 155     }
 156
 157     simplewindow_delete(sw);
 158     XCloseDisplay(disp);
 159
 160     return EXIT_SUCCESS;
 161 }
 162
 163 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80