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                 if((r = rule_matching_client(c)) && r->icon)
  90                 {
  91                     area = draw_get_image_size(r->icon);
  92                     icon_width = ((double) widget->statusbar->height / (double) area.height) * area.width;
  93                     draw_image(ctx,
  94                                widget->area.x + box_width * i,
  95                                widget->area.y,
  96                                widget->statusbar->height,
  97                                r->icon);
  98                 }
  99
 100                 if(!icon_width && (icon = ewmh_get_window_icon(c->win)))
 101                 {
 102                     icon_width = ((double) widget->statusbar->height / (double) icon->height)
 103                         * icon->width;
 104                     draw_image_from_argb_data(ctx,
 105                                               widget->area.x + box_width * i,
 106                                               widget->area.y,
 107                                               icon->width, icon->height,
 108                                               widget->statusbar->height, icon->image);
 109                     p_delete(&icon->image);
 110                     p_delete(&icon);
 111                 }
 112             }
 113
 114             area.x = widget->area.x + icon_width + box_width * i;
 115             area.y = widget->area.y;
 116             area.width = box_width - icon_width;
 117             area.height = widget->statusbar->height;
 118             if(sel == c)
 119                 draw_text(ctx, area, d->align,
 120                           widget->font->height / 2, widget->font, c->name,
 121                           d->fg_sel, d->bg_sel);
 122             else
 123                 draw_text(ctx, area, d->align,
 124                           widget->font->height / 2, widget->font, c->name,
 125                           d->fg, d->bg);
 126
 127             if(c->isfloating || c->ismax)
 128                 draw_circle(ctx, widget->area.x + icon_width + box_width * i,
 129                             widget->area.y,
 130                             (widget->font->height + 2) / 4,
 131                             c->ismax, d->fg);
 132             i++;
 133         }
 134
 135     widget->area.width = widget->statusbar->width - used;
 136     widget->area.height = widget->statusbar->height;
 137
 138     return widget->area.width;
 139 }
 140
 141 static void
 142 tasklist_button_press(Widget *widget, XButtonPressedEvent *ev)
 143 {
 144     Button *b;
 145     Client *c;
 146     Data *d = widget->data;
 147     Tag *tag;
 148     int n = 0, box_width = 0, i, ci = 0;
 149
 150     /* button1 give focus */
 151     if(ev->button == Button1 && CLEANMASK(ev->state) == NoSymbol)
 152     {
 153         for(c = globalconf.clients; c; c = c->next)
 154             if(ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all))
 155                 n++;
 156
 157         if(!n)
 158             return;
 159
 160         box_width = widget->area.width / n;
 161
 162         if(ev->button == Button1 && CLEANMASK(ev->state) == NoSymbol)
 163         {
 164             switch(widget->statusbar->position)
 165             {
 166               case Top:
 167               case Bottom:
 168                 ci = (ev->x - widget->area.x) / box_width;
 169                 break;
 170               case Right:
 171                 ci = (ev->y - widget->area.x) / box_width;
 172                 break;
 173               default:
 174                 ci = ((widget->statusbar->width - ev->y) - widget->area.x) / box_width;
 175                 break;
 176             }
 177             /* found first visible client */
 178             for(c = globalconf.clients;
 179                 c && !ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all);
 180                 c = c->next);
 181             /* found ci-th visible client */
 182             for(i = 0; c ; c = c->next)
 183                 if(ISVISIBLE_ON_TB(c, widget->statusbar->screen, d->show_all))
 184                     if(i++ >= ci)
 185                         break;
 186
 187             if(c)
 188             {
 189                 /* first switch tag if client not visible */
 190                 if(!client_isvisible(c, widget->statusbar->screen))
 191                     for(i = 0, tag = globalconf.screens[c->screen].tags; tag; tag = tag->next, i++)
 192                         if(is_client_tagged(c, tag))
 193                            tag_view_only_byindex(c->screen, i);
 194                 focus(c, True, widget->statusbar->screen);
 195             }
 196
 197             return;
 198         }
 199     }
 200
 201     for(b = widget->buttons; b; b = b->next)
 202         if(ev->button == b->button && CLEANMASK(ev->state) == b->mod && b->func)
 203         {
 204             b->func(widget->statusbar->screen, b->arg);
 205             return;
 206         }
 207 }
 208
 209 Widget *
 210 tasklist_new(Statusbar *statusbar, cfg_t *config)
 211 {
 212     Widget *w;
 213     Data *d;
 214     char *buf;
 215     int phys_screen = get_phys_screen(statusbar->screen);
 216
 217     w = p_new(Widget, 1);
 218     widget_common_new(w, statusbar, config);
 219     w->draw = tasklist_draw;
 220     w->button_press = tasklist_button_press;
 221     w->alignment = AlignFlex;
 222     w->data = d = p_new(Data, 1);
 223
 224     if((buf = cfg_getstr(config, "fg")))
 225         d->fg = initxcolor(phys_screen, buf);
 226     else
 227         d->fg = globalconf.screens[statusbar->screen].colors_normal[ColFG];
 228
 229     if((buf = cfg_getstr(config, "bg")))
 230         d->bg = initxcolor(phys_screen, buf);
 231     else
 232         d->bg = globalconf.screens[statusbar->screen].colors_normal[ColBG];
 233
 234     if((buf = cfg_getstr(config, "focus_bg")))
 235         d->bg_sel = initxcolor(phys_screen, buf);
 236     else
 237         d->bg_sel = globalconf.screens[statusbar->screen].colors_selected[ColBG];
 238
 239     if((buf = cfg_getstr(config, "focus_fg")))
 240         d->fg_sel = initxcolor(phys_screen, buf);
 241     else
 242         d->fg_sel = globalconf.screens[statusbar->screen].colors_selected[ColFG];
 243
 244     d->align = draw_get_align(cfg_getstr(config, "align"));
 245     d->show_icons = cfg_getbool(config, "show_icons");
 246     d->show_all = cfg_getbool(config, "show_all");
 247
 248     if((buf = cfg_getstr(config, "font")))
 249         w->font = XftFontOpenName(globalconf.display, get_phys_screen(statusbar->screen), buf);
 250
 251     if(!w->font)
 252         w->font = globalconf.screens[statusbar->screen].font;
 253
 254     /* Set cache property */
 255     w->cache.flags = WIDGET_CACHE_CLIENTS;
 256
 257     return w;
 258 }
 259
 260 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80