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 "widget.h"
  23 #include "screen.h"
  24 #include "common/util.h"
  25 #include "common/configopts.h"
  26
  27 extern AwesomeConf globalconf;
  28
  29 typedef struct
  30 {
  31     char *text;
  32     int width;
  33     Alignment align;
  34     style_t style;
  35 } Data;
  36
  37 static int
  38 textbox_draw(Widget *widget, DrawCtx *ctx, int offset, int used)
  39 {
  40     Data *d = widget->data;
  41
  42     if(d->width)
  43         widget->area.width = d->width;
  44     else if(widget->alignment == AlignFlex)
  45         widget->area.width = widget->statusbar->width - used;
  46     else
  47         widget->area.width = MIN(draw_textwidth(ctx->display, d->style.font, d->text),
  48                                  widget->statusbar->width - used);
  49
  50     widget->area.height = widget->statusbar->height;
  51
  52     if(!widget->user_supplied_x)
  53         widget->area.x = widget_calculate_offset(widget->statusbar->width,
  54                                                  widget->area.width,
  55                                                  offset,
  56                                                  widget->alignment);
  57     if(!widget->user_supplied_y)
  58         widget->area.y = 0;
  59
  60     draw_text(ctx, widget->area, d->align, 0, d->text, d->style);
  61
  62     return widget->area.width;
  63 }
  64
  65 static widget_tell_status_t
  66 textbox_tell(Widget *widget, char *property, char *command)
  67 {
  68     Data *d = widget->data;
  69     font_t *newfont;
  70
  71     if(!a_strcmp(property, "text"))
  72     {
  73         if (d->text)
  74             p_delete(&d->text);
  75         d->text = a_strdup(command);
  76     }
  77     /* !command means a not existing string. So return here */
  78     else if(!command)
  79         return WIDGET_ERROR_NOVALUE;
  80     else if(!a_strcmp(property, "fg"))
  81         if(draw_color_new(globalconf.display, widget->statusbar->screen, command, &d->style.fg))
  82             return WIDGET_NOERROR;
  83         else
  84             return WIDGET_ERROR_FORMAT_COLOR;
  85     else if(!a_strcmp(property, "bg"))
  86         if(draw_color_new(globalconf.display, widget->statusbar->screen, command, &d->style.bg))
  87             return WIDGET_NOERROR;
  88         else
  89             return WIDGET_ERROR_FORMAT_COLOR;
  90     else if(!a_strcmp(property, "font"))
  91     {
  92         if((newfont = draw_font_new(globalconf.display, command)))
  93         {
  94             if(d->style.font != globalconf.screens[widget->statusbar->screen].styles.normal.font)
  95                 draw_font_delete(&d->style.font);
  96             d->style.font = newfont;
  97         }
  98         else
  99             return WIDGET_ERROR_FORMAT_FONT;
 100     }
 101     else if(!a_strcmp(property, "width"))
 102         d->width = atoi(command);
 103     else if(!a_strcmp(property, "text_align"))
 104         d->align = draw_align_get_from_str(command);
 105     else
 106         return WIDGET_ERROR;
 107
 108     return WIDGET_NOERROR;
 109 }
 110
 111 Widget *
 112 textbox_new(Statusbar *statusbar, cfg_t *config)
 113 {
 114     Widget *w;
 115     Data *d;
 116
 117     w = p_new(Widget, 1);
 118     widget_common_new(w, statusbar, config);
 119     w->draw = textbox_draw;
 120     w->tell = textbox_tell;
 121     w->alignment = cfg_getalignment(config, "align");
 122
 123     w->data = d = p_new(Data, 1);
 124
 125     draw_style_init(globalconf.display, statusbar->phys_screen,
 126                     cfg_getsec(config, "style"),
 127                     &d->style,
 128                     &globalconf.screens[statusbar->screen].styles.normal);
 129
 130     d->width = cfg_getint(config, "width");
 131     d->align = cfg_getalignment(config, "text_align");
 132
 133     d->text = a_strdup(cfg_getstr(config, "text"));
 134
 135     return w;
 136 }
 137 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80