widgets/textbox.c

   1 /*
   2  * textbox.c - text box widget
   3  *
   4  * Copyright © 2007 Aldo Cortesi <aldo@nullcube.com>
   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 #include "util.h"
  23 #include "widget.h"
  24 #include "xutil.h"
  25 #include "screen.h"
  26
  27 extern AwesomeConf globalconf;
  28
  29 typedef struct
  30 {
  31     char *text;
  32     int width;
  33     Alignment align;
  34     XColor fg;
  35     XColor bg;
  36 } Data;
  37
  38 static int
  39 textbox_draw(Widget *widget, DrawCtx *ctx, int offset,
  40              int used __attribute__ ((unused)))
  41 {
  42     Data *d = widget->data;
  43
  44     if(d->width)
  45         widget->area.width = d->width;
  46     else
  47         widget->area.width = draw_textwidth(widget->font, d->text);
  48
  49     widget->area.height = widget->statusbar->height;
  50
  51     if(!widget->user_supplied_x)
  52         widget->area.x = widget_calculate_offset(widget->statusbar->width,
  53                                                  widget->area.width,
  54                                                  offset,
  55                                                  widget->alignment);
  56     if(!widget->user_supplied_y)
  57         widget->area.y = 0;
  58
  59     draw_text(ctx, widget->area.x, widget->area.y, widget->area.width,
  60               widget->statusbar->height, d->align, 0, widget->font,
  61               d->text, d->fg, d->bg);
  62
  63     return widget->area.width;
  64 }
  65
  66 static void
  67 textbox_tell(Widget *widget, char *command)
  68 {
  69     char *tok, *ntok, buf[8];
  70     int i = 0, color = 0;
  71     ssize_t command_len = a_strlen(command) + 1;
  72     char* text = p_new(char, command_len);
  73
  74     Data *d = widget->data;
  75     if (d->text)
  76         p_delete(&d->text);
  77
  78     for(tok = command ; tok; tok = ntok, i++)
  79     {
  80         /* get next token */
  81         ntok = strchr(tok + 1, ' ');
  82
  83         /* if not first time in the loop, drop the space and put it in the
  84          * string */
  85         if(i)
  86         {
  87             tok++;
  88             a_strcat(text, command_len, " ");
  89         }
  90
  91         if(*tok == '#' && i < 2)
  92         {
  93             if(ntok)
  94                 a_strncpy(buf, ssizeof(buf), tok, ntok - tok);
  95             switch(i)
  96             {
  97                 case 0:
  98                     d->fg = initxcolor(get_phys_screen(widget->statusbar->screen),
  99                                        buf);
 100                     break;
 101                 case 1:
 102                     d->bg = initxcolor(get_phys_screen(widget->statusbar->screen),
 103                                        buf);
 104                     break;
 105             };
 106             color++;
 107         }
 108         else if(ntok)
 109             a_strncat(text, command_len, tok, ntok - tok);
 110         else
 111             a_strcat(text, command_len, tok);
 112     }
 113
 114     d->text = a_strdup(text);
 115     p_delete(&text);
 116 }
 117
 118 Widget *
 119 textbox_new(Statusbar *statusbar, cfg_t *config)
 120 {
 121     Widget *w;
 122     Data *d;
 123     char *buf;
 124
 125     w = p_new(Widget, 1);
 126     widget_common_new(w, statusbar, config);
 127     w->draw = textbox_draw;
 128     w->tell = textbox_tell;
 129
 130     w->data = d = p_new(Data, 1);
 131
 132     if((buf = cfg_getstr(config, "fg")))
 133         d->fg = initxcolor(statusbar->screen, buf);
 134     else
 135         d->fg = globalconf.screens[statusbar->screen].colors_normal[ColFG];
 136
 137     if((buf = cfg_getstr(config, "bg")))
 138         d->bg = initxcolor(get_phys_screen(statusbar->screen), buf);
 139     else
 140         d->bg = globalconf.screens[statusbar->screen].colors_normal[ColBG];
 141
 142     d->width = cfg_getint(config, "width");
 143     d->align = draw_get_align(cfg_getstr(config, "align"));
 144
 145     if((buf = cfg_getstr(config, "font")))
 146         w->font = XftFontOpenName(globalconf.display, get_phys_screen(statusbar->screen), buf);
 147
 148     if(!w->font)
 149         w->font = globalconf.screens[statusbar->screen].font;
 150
 151     d->text = a_strdup(cfg_getstr(config, "text"));
 152     return w;
 153 }
 154 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80