290 lines
8.2 KiB
C
290 lines
8.2 KiB
C
/*
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* tasklist.c - task list widget
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*
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* Copyright © 2008 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include "widget.h"
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#include "client.h"
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#include "focus.h"
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#include "screen.h"
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#include "event.h"
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#include "ewmh.h"
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#include "tag.h"
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#include "common/configopts.h"
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extern awesome_t globalconf;
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typedef enum
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{
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ShowFocus,
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ShowTags,
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ShowAll,
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} showclient_t;
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typedef struct
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{
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showclient_t show;
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bool show_icons;
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char *text_normal, *text_urgent, *text_focus;
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} Data;
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static inline bool
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tasklist_isvisible(client_t *c, int screen, showclient_t show)
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{
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if(c->skip || c->skiptb)
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return false;
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switch(show)
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{
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case ShowAll:
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return (c->screen == screen);
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case ShowTags:
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return client_isvisible(c, screen);
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case ShowFocus:
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return (c == focus_get_current_client(screen));
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}
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return false;
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}
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static int
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tasklist_draw(draw_context_t *ctx, int screen,
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widget_node_t *w,
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int offset, int used, void *p __attribute__ ((unused)))
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{
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client_t *c;
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Data *d = w->widget->data;
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area_t area;
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char *text;
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int n = 0, i = 0, box_width = 0, icon_width = 0, box_width_rest = 0;
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NetWMIcon *icon;
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if(used >= ctx->width)
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return (w->area.width = 0);
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for(c = globalconf.clients; c; c = c->next)
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if(tasklist_isvisible(c, screen, d->show))
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n++;
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if(!n)
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return (w->area.width = 0);
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box_width = (ctx->width - used) / n;
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/* compute how many pixel we left empty */
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box_width_rest = (ctx->width - used) % n;
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w->area.x = widget_calculate_offset(ctx->width,
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0, offset, w->widget->align);
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w->area.y = 0;
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for(c = globalconf.clients; c; c = c->next)
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if(tasklist_isvisible(c, screen, d->show))
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{
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icon_width = 0;
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if(globalconf.focus->client == c)
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text = d->text_focus;
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else if(c->isurgent)
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text = d->text_urgent;
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else
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text = d->text_normal;
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text = client_markup_parse(c, text, a_strlen(text));
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if(d->show_icons)
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{
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/* draw a background for icons */
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area.x = w->area.x + box_width * i;
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area.y = w->area.y;
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area.height = ctx->height;
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area.width = box_width;
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if(c->icon_path)
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{
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area = draw_get_image_size(c->icon_path);
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if(area.width > 0 && area.height > 0)
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{
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icon_width = ((double) ctx->height / (double) area.height) * area.width;
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draw_image_from_file(ctx,
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w->area.x + box_width * i,
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w->area.y,
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ctx->height,
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c->icon_path);
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}
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}
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if(!icon_width && (icon = ewmh_get_window_icon(c->win)))
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{
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icon_width = ((double) ctx->height / (double) icon->height)
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* icon->width;
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draw_image_from_argb_data(ctx,
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w->area.x + box_width * i,
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w->area.y,
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icon->width, icon->height,
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ctx->height, icon->image);
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p_delete(&icon->image);
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p_delete(&icon);
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}
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}
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area.x = w->area.x + icon_width + box_width * i;
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area.y = w->area.y;
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area.width = box_width - icon_width;
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area.height = ctx->height;
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/* if we're on last elem, it has the last pixels left */
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if(i == n - 1)
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area.width += box_width_rest;
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draw_text(ctx, globalconf.font,
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area, text);
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p_delete(&text);
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if(c->isfloating || c->ismax)
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draw_circle(ctx, w->area.x + icon_width + box_width * i,
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w->area.y,
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(globalconf.font->height + 2) / 4,
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c->ismax, ctx->fg);
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i++;
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}
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w->area.width = ctx->width - used;
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w->area.height = ctx->height;
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return w->area.width;
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}
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/** Handle button click on tasklist.
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* \param w The widget node.
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* \param ev The button press event.
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* \param screen The screen where the click was.
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* \param object The object we're onto.
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* \param type The type object.
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*/
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static void
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tasklist_button_press(widget_node_t *w,
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xcb_button_press_event_t *ev,
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int screen,
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void *object,
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awesome_type_t type)
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{
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button_t *b;
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client_t *c;
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Data *d = w->widget->data;
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int n = 0, box_width = 0, i, ci = 0;
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for(c = globalconf.clients; c; c = c->next)
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if(tasklist_isvisible(c, screen, d->show))
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n++;
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if(!n)
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return;
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box_width = w->area.width / n;
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ci = (ev->event_x - w->area.x) / box_width;
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/* found first visible client */
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for(c = globalconf.clients;
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c && !tasklist_isvisible(c, screen, d->show);
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c = c->next);
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/* found ci-th visible client */
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for(i = 0; c ; c = c->next)
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if(tasklist_isvisible(c, screen, d->show))
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if(i++ >= ci)
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break;
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if(c)
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for(b = w->widget->buttons; b; b = b->next)
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if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
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{
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luaA_pushpointer(object, type);
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luaA_client_userdata_new(c);
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luaA_dofunction(globalconf.L, b->fct, 2);
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}
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}
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static widget_tell_status_t
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tasklist_tell(widget_t *widget, const char *property, const char *new_value)
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{
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Data *d = widget->data;
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if(!a_strcmp(property, "text_normal"))
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{
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p_delete(&d->text_normal);
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d->text_normal = a_strdup(new_value);
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}
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else if(!a_strcmp(property, "text_focus"))
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{
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p_delete(&d->text_focus);
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d->text_focus = a_strdup(new_value);
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}
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else if(!a_strcmp(property, "text_urgent"))
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{
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p_delete(&d->text_urgent);
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d->text_urgent = a_strdup(new_value);
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}
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else if(!a_strcmp(property, "show_icons"))
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d->show_icons = a_strtobool(new_value);
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else if(!a_strcmp(property, "show"))
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{
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if(!a_strcmp(new_value, "tags"))
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d->show = ShowTags;
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else if(!a_strcmp(new_value, "focus"))
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d->show = ShowFocus;
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else if(!a_strcmp(new_value, "all"))
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d->show = ShowAll;
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else
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return WIDGET_ERROR;
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}
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else
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return WIDGET_ERROR;
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return WIDGET_NOERROR;
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}
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widget_t *
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tasklist_new(alignment_t align __attribute__ ((unused)))
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{
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widget_t *w;
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Data *d;
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w = p_new(widget_t, 1);
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widget_common_new(w);
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w->draw = tasklist_draw;
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w->button_press = tasklist_button_press;
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w->align = AlignFlex;
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w->data = d = p_new(Data, 1);
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w->tell = tasklist_tell;
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d->text_normal = a_strdup(" <title/> ");
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d->text_focus = a_strdup(" <title/> ");
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d->text_urgent = a_strdup(" <title/> ");
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d->show_icons = true;
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d->show = ShowTags;
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/* Set cache property */
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w->cache_flags = WIDGET_CACHE_CLIENTS;
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return w;
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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