widgets/tasklist.c

   1 /*
   2  * tasklist.c - task list widget
   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 #include <stdio.h>
  23 #include "util.h"
  24 #include "widget.h"
  25 #include "client.h"
  26 #include "focus.h"
  27 #include "xutil.h"
  28 #include "screen.h"
  29 #include "event.h"
  30 #include "ewmh.h"
  31 #include "rules.h"
  32 #include "tag.h"
  33
  34 #define ISVISIBLE_ON_TB(c, nscreen, show_all) ((!show_all && client_isvisible(c, nscreen) && !c->skiptb) \
  35                                               || (show_all && c->screen == nscreen && !c->skiptb))
  36
  37 extern AwesomeConf globalconf;
  38
  39 typedef struct
  40 {
  41     Bool show_all;
  42     Bool show_icons;
  43     Alignment align;
  44     XColor fg_sel;
  45     XColor bg_sel;
  46     XColor fg;
  47     XColor bg;
  48 } Data;
  49
  50 static int
  51 tasklist_draw(Widget *widget, DrawCtx *ctx, int offset, int used)
  52 {
  53     Client *c;
  54     Data *d = widget->data;
  55     Client *sel = focus_get_current_client(widget->statusbar->screen);
  56     Rule *r;
  57     Area area;
  58     int n = 0, i = 0, box_width = 0, icon_width = 0;
  59     NetWMIcon *icon;
  60
  61     for(c = globalconf.clients; c; c = c->next)
  62         if(ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all))
  63             n++;
  64
  65     if(!n)
  66     {
  67         widget->area.width = 0;
  68         return widget->area.width;
  69     }
  70
  71     box_width = (widget->statusbar->width - used) / n;
  72
  73     if(!widget->user_supplied_x)
  74         widget->area.x = widget_calculate_offset(widget->statusbar->width,
  75                                                  0,
  76                                                  offset,
  77                                                  widget->alignment);
  78
  79     if(!widget->user_supplied_y)
  80         widget->area.y = widget->area.y = 0;
  81
  82     for(c = globalconf.clients; c; c = c->next)
  83         if(ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all))
  84         {
  85             icon_width = 0;
  86
  87             if(d->show_icons)
  88             {
  89                 for(r = globalconf.rules; r; r = r->next)
  90                     if(r->icon && client_match_rule(c, r))
  91                     {
  92                         area = draw_get_image_size(r->icon);
  93                         icon_width = ((double) widget->statusbar->height / (double) area.height) * area.width;
  94                         draw_image(ctx,
  95                                    widget->area.x + box_width * i,
  96                                    widget->area.y,
  97                                    widget->statusbar->height,
  98                                    r->icon);
  99                     }
 100
 101                 if(!icon_width && (icon = ewmh_get_window_icon(c->win)))
 102                 {
 103                     icon_width = ((double) widget->statusbar->height / (double) icon->height)
 104                         * icon->width;
 105                     draw_image_from_argb_data(ctx,
 106                                               widget->area.x + box_width * i,
 107                                               widget->area.y,
 108                                               icon->width, icon->height,
 109                                               widget->statusbar->height, icon->image);
 110                     p_delete(&icon->image);
 111                     p_delete(&icon);
 112                 }
 113             }
 114
 115             if(sel == c)
 116             {
 117                 draw_text(ctx, widget->area.x + icon_width + box_width * i,
 118                           widget->area.y,
 119                           box_width - icon_width,
 120                           widget->statusbar->height,
 121                           d->align,
 122                           widget->font->height / 2, widget->font, c->name,
 123                           d->fg_sel, d->bg_sel);
 124             }
 125             else
 126                 draw_text(ctx, widget->area.x + icon_width + box_width * i,
 127                           widget->area.y,
 128                           box_width - icon_width,
 129                           widget->statusbar->height,
 130                           d->align,
 131                           widget->font->height / 2, widget->font, c->name,
 132                           d->fg, d->bg);
 133             if(c->isfloating)
 134                 draw_circle(ctx, widget->area.x + icon_width + box_width * i,
 135                             widget->area.y,
 136                             (widget->font->height + 2) / 4,
 137                             c->ismax, d->fg);
 138             i++;
 139         }
 140
 141     widget->area.width = widget->statusbar->width - used;
 142     widget->area.height = widget->statusbar->height;
 143
 144     return widget->area.width;
 145 }
 146
 147 static void
 148 tasklist_button_press(Widget *widget, XButtonPressedEvent *ev)
 149 {
 150     Button *b;
 151     Client *c;
 152     Data *d = widget->data;
 153     Tag *tag;
 154     int n = 0, box_width = 0, i = 0, ci = 0;
 155
 156     /* button1 give focus */
 157     if(ev->button == Button1 && CLEANMASK(ev->state) == NoSymbol)
 158     {
 159         for(c = globalconf.clients; c; c = c->next)
 160             if(ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all))
 161                 n++;
 162
 163         if(!n)
 164             return;
 165
 166         box_width = widget->area.width / n;
 167
 168         if(ev->button == Button1 && CLEANMASK(ev->state) == NoSymbol)
 169         {
 170             switch(widget->statusbar->position)
 171             {
 172               case Top:
 173               case Bottom:
 174                 ci = (ev->x - widget->area.x) / box_width;
 175                 break;
 176               case Right:
 177                 ci = (ev->y - widget->area.x) / box_width;
 178                 break;
 179               default:
 180                 ci = ((widget->statusbar->width - ev->y) - widget->area.x) / box_width;
 181                 break;
 182             }
 183             /* found first visible client */
 184             for(c = globalconf.clients;
 185                 c && !ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all);
 186                 c = c->next);
 187             /* found ci-th visible client */
 188             for(; c && i < ci; c = c->next)
 189                 if(ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all))
 190                     i++;
 191
 192             /* first switch tag if client not visible */
 193             if(!client_isvisible(c, widget->statusbar->screen))
 194                 for(i = 0, tag = globalconf.screens[c->screen].tags; tag; tag = tag->next, i++)
 195                     if(is_client_tagged(c, tag))
 196                         tag_view(c->screen, i);
 197             focus(c, True, widget->statusbar->screen);
 198
 199             return;
 200         }
 201     }
 202
 203     for(b = widget->buttons; b; b = b->next)
 204         if(ev->button == b->button && CLEANMASK(ev->state) == b->mod && b->func)
 205         {
 206             b->func(widget->statusbar->screen, b->arg);
 207             return;
 208         }
 209 }
 210
 211 Widget *
 212 tasklist_new(Statusbar *statusbar, cfg_t *config)
 213 {
 214     Widget *w;
 215     Data *d;
 216     char *buf;
 217     int phys_screen = get_phys_screen(statusbar->screen);
 218
 219     w = p_new(Widget, 1);
 220     widget_common_new(w, statusbar, config);
 221     w->draw = tasklist_draw;
 222     w->button_press = tasklist_button_press;
 223     w->alignment = AlignFlex;
 224     w->data = d = p_new(Data, 1);
 225
 226     if((buf = cfg_getstr(config, "fg")))
 227         d->fg = initxcolor(phys_screen, buf);
 228     else
 229         d->fg = globalconf.screens[statusbar->screen].colors_normal[ColFG];
 230
 231     if((buf = cfg_getstr(config, "bg")))
 232         d->bg = initxcolor(phys_screen, buf);
 233     else
 234         d->bg = globalconf.screens[statusbar->screen].colors_normal[ColBG];
 235
 236     if((buf = cfg_getstr(config, "focus_bg")))
 237         d->bg_sel = initxcolor(phys_screen, buf);
 238     else
 239         d->bg_sel = globalconf.screens[statusbar->screen].colors_selected[ColBG];
 240
 241     if((buf = cfg_getstr(config, "focus_fg")))
 242         d->fg_sel = initxcolor(phys_screen, buf);
 243     else
 244         d->fg_sel = globalconf.screens[statusbar->screen].colors_selected[ColFG];
 245
 246     d->align = draw_get_align(cfg_getstr(config, "align"));
 247     d->show_icons = cfg_getbool(config, "show_icons");
 248     d->show_all = cfg_getbool(config, "show_all");
 249
 250     if((buf = cfg_getstr(config, "font")))
 251         w->font = XftFontOpenName(globalconf.display, get_phys_screen(statusbar->screen), buf);
 252
 253     if(!w->font)
 254         w->font = globalconf.screens[statusbar->screen].font;
 255
 256     return w;
 257 }
 258
 259 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80