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awesome/widgets/tasklist.c

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/*
* tasklist.c - task list widget
*
* Copyright © 2008 Julien Danjou <julien@danjou.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include "widget.h"
#include "client.h"
#include "focus.h"
#include "screen.h"
#include "event.h"
#include "ewmh.h"
#include "rules.h"
#include "tag.h"
#include "common/util.h"
extern AwesomeConf globalconf;
typedef enum
{
ShowFocus,
ShowTags,
ShowAll,
} ShowClient;
typedef struct
{
ShowClient show;
Bool show_icons;
Alignment align;
XColor fg_sel;
XColor bg_sel;
XColor fg;
XColor bg;
} Data;
static inline Bool
tasklist_isvisible(Client *c, int screen, ShowClient show)
{
if(c->skiptb)
return False;
switch(show)
{
case ShowAll:
if(c->screen == screen)
return True;
break;
case ShowTags:
if(client_isvisible(c, screen))
return True;
break;
case ShowFocus:
if(c == globalconf.focus->client)
return True;
break;
}
return False;
}
static int
tasklist_draw(Widget *widget, DrawCtx *ctx, int offset, int used)
{
Client *c;
Data *d = widget->data;
Client *sel = focus_get_current_client(widget->statusbar->screen);
Rule *r;
Area area;
int n = 0, i = 0, box_width = 0, icon_width = 0, box_width_rest = 0;
NetWMIcon *icon;
if(used >= widget->statusbar->width)
return (widget->area.width = 0);
for(c = globalconf.clients; c; c = c->next)
if(tasklist_isvisible(c, widget->statusbar->screen, d->show))
n++;
if(!n)
return (widget->area.width = 0);
box_width = (widget->statusbar->width - used) / n;
/* compute how many pixel we left empty */
box_width_rest = (widget->statusbar->width - used) % n;
if(!widget->user_supplied_x)
widget->area.x = widget_calculate_offset(widget->statusbar->width,
0,
offset,
widget->alignment);
if(!widget->user_supplied_y)
widget->area.y = widget->area.y = 0;
for(c = globalconf.clients; c; c = c->next)
if(tasklist_isvisible(c, widget->statusbar->screen, d->show))
{
icon_width = 0;
if(d->show_icons)
{
/* draw a background for icons */
area.x = widget->area.x + box_width * i;
area.y = widget->area.y;
area.height = widget->statusbar->height;
area.width = box_width;
if(sel == c)
draw_rectangle(ctx, area, True, d->bg_sel);
else
draw_rectangle(ctx, area, True, d->bg);
if((r = rule_matching_client(c)) && r->icon)
{
area = draw_get_image_size(r->icon);
if(area.width > 0 && area.height > 0)
{
icon_width = ((double) widget->statusbar->height / (double) area.height) * area.width;
draw_image(ctx,
widget->area.x + box_width * i,
widget->area.y,
widget->statusbar->height,
r->icon);
}
}
if(!icon_width && (icon = ewmh_get_window_icon(c->win)))
{
icon_width = ((double) widget->statusbar->height / (double) icon->height)
* icon->width;
draw_image_from_argb_data(ctx,
widget->area.x + box_width * i,
widget->area.y,
icon->width, icon->height,
widget->statusbar->height, icon->image);
p_delete(&icon->image);
p_delete(&icon);
}
}
area.x = widget->area.x + icon_width + box_width * i;
area.y = widget->area.y;
area.width = box_width - icon_width;
area.height = widget->statusbar->height;
/* if we're on last elem, it has the last pixels left */
if(i == n - 1)
area.width += box_width_rest;
if(sel == c)
draw_text(ctx, area, d->align,
widget->font->height / 2, widget->font, c->name,
d->fg_sel, d->bg_sel);
else
draw_text(ctx, area, d->align,
widget->font->height / 2, widget->font, c->name,
d->fg, d->bg);
if(c == globalconf.scratch.client)
{
area.x = widget->area.x + icon_width + box_width * i;
area.y = widget->area.y;
area.width = (widget->font->height + 2) / 3;
area.height = (widget->font->height + 2) / 3;
draw_rectangle(ctx, area, c->isfloating, d->fg);
}
else if(c->isfloating || c->ismax)
draw_circle(ctx, widget->area.x + icon_width + box_width * i,
widget->area.y,
(widget->font->height + 2) / 4,
c->ismax, d->fg);
i++;
}
widget->area.width = widget->statusbar->width - used;
widget->area.height = widget->statusbar->height;
return widget->area.width;
}
static void
tasklist_button_press(Widget *widget, XButtonPressedEvent *ev)
{
Button *b;
Client *c;
Data *d = widget->data;
Tag *tag;
int n = 0, box_width = 0, i, ci = 0;
/* button1 give focus */
if(ev->button == Button1 && CLEANMASK(ev->state) == NoSymbol)
{
for(c = globalconf.clients; c; c = c->next)
if(tasklist_isvisible(c, widget->statusbar->screen, d->show))
n++;
if(!n)
return;
box_width = widget->area.width / n;
if(ev->button == Button1 && CLEANMASK(ev->state) == NoSymbol)
{
switch(widget->statusbar->position)
{
case Top:
case Bottom:
ci = (ev->x - widget->area.x) / box_width;
break;
case Right:
ci = (ev->y - widget->area.x) / box_width;
break;
default:
ci = ((widget->statusbar->width - ev->y) - widget->area.x) / box_width;
break;
}
/* found first visible client */
for(c = globalconf.clients;
c && !tasklist_isvisible(c, widget->statusbar->screen, d->show);
c = c->next);
/* found ci-th visible client */
for(i = 0; c ; c = c->next)
if(tasklist_isvisible(c, widget->statusbar->screen, d->show))
if(i++ >= ci)
break;
if(c)
{
/* first switch tag if client not visible */
if(!client_isvisible(c, widget->statusbar->screen))
for(i = 0, tag = globalconf.screens[c->screen].tags; tag; tag = tag->next, i++)
if(is_client_tagged(c, tag))
tag_view_only_byindex(c->screen, i);
client_focus(c, widget->statusbar->screen, False);
}
return;
}
}
for(b = widget->buttons; b; b = b->next)
if(ev->button == b->button && CLEANMASK(ev->state) == b->mod && b->func)
{
b->func(widget->statusbar->screen, b->arg);
return;
}
}
Widget *
tasklist_new(Statusbar *statusbar, cfg_t *config)
{
Widget *w;
Data *d;
char *buf;
int phys_screen = get_phys_screen(statusbar->screen);
w = p_new(Widget, 1);
widget_common_new(w, statusbar, config);
w->draw = tasklist_draw;
w->button_press = tasklist_button_press;
w->alignment = AlignFlex;
w->data = d = p_new(Data, 1);
if((buf = cfg_getstr(config, "fg")))
d->fg = draw_color_new(globalconf.display, phys_screen, buf);
else
d->fg = globalconf.screens[statusbar->screen].colors_normal[ColFG];
if((buf = cfg_getstr(config, "bg")))
d->bg = draw_color_new(globalconf.display, phys_screen, buf);
else
d->bg = globalconf.screens[statusbar->screen].colors_normal[ColBG];
if((buf = cfg_getstr(config, "focus_bg")))
d->bg_sel = draw_color_new(globalconf.display, phys_screen, buf);
else
d->bg_sel = globalconf.screens[statusbar->screen].colors_selected[ColBG];
if((buf = cfg_getstr(config, "focus_fg")))
d->fg_sel = draw_color_new(globalconf.display, phys_screen, buf);
else
d->fg_sel = globalconf.screens[statusbar->screen].colors_selected[ColFG];
d->align = draw_get_align(cfg_getstr(config, "text_align"));
d->show_icons = cfg_getbool(config, "show_icons");
buf = cfg_getstr(config, "show");
if(!a_strcmp(buf, "all"))
d->show = ShowAll;
else if(!a_strcmp(buf, "tags"))
d->show = ShowTags;
else
d->show = ShowFocus;
if((buf = cfg_getstr(config, "font")))
w->font = XftFontOpenName(globalconf.display, get_phys_screen(statusbar->screen), buf);
if(!w->font)
w->font = globalconf.screens[statusbar->screen].font;
/* Set cache property */
w->cache.flags = WIDGET_CACHE_CLIENTS;
return w;
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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