106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/*
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* netwmicon.c - NET_WM_ICON widget
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*
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* Copyright © 2007 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 <X11/Xmd.h>
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#include <X11/Xatom.h>
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#include <confuse.h>
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#include "util.h"
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#include "focus.h"
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#include "layout.h"
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#include "widget.h"
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extern AwesomeConf globalconf;
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static int
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netwmicon_draw(Widget *widget, DrawCtx *ctx, int offset,
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int used __attribute__ ((unused)))
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{
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unsigned long *data, pixel;
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Atom type;
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int format, width, height, size, i;
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unsigned long items, rest;
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unsigned char *image, *imgdata;
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Client *sel = globalconf.focus->client;
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if(!sel)
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return 0;
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if(XGetWindowProperty(ctx->display, sel->win,
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XInternAtom(ctx->display, "_NET_WM_ICON", False),
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0L, LONG_MAX, False, XA_CARDINAL, &type, &format,
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&items, &rest, (unsigned char**) &data) != Success
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|| !data)
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return 0;
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if(type != XA_CARDINAL || format != 32 || items < 2)
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{
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XFree(data);
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return 0;
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}
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width = data[0];
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height = data[1];
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size = width * height;
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if(!size)
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{
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XFree(data);
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return 0;
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}
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image = p_new(unsigned char, size * 4);
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for(imgdata = image, i = 2; i < size + 2; i++, imgdata += 4)
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{
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pixel = data[i];
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imgdata[3] = (pixel >> 24) & 0xff; /* A */
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imgdata[0] = (pixel >> 16) & 0xff; /* R */
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imgdata[1] = (pixel >> 8) & 0xff; /* G */
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imgdata[2] = pixel & 0xff; /* B */
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}
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widget->location = widget_calculate_offset(widget->statusbar->width,
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width,
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offset,
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widget->alignment);
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draw_image_from_argb_data(ctx, widget->location, 0, width, height, widget->statusbar->height, image);
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p_delete(&image);
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XFree(data);
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widget->width = widget->statusbar->height;
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return widget->width;
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}
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Widget *
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netwmicon_new(Statusbar *statusbar, cfg_t *config)
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{
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Widget *w;
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w = p_new(Widget, 1);
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widget_common_new(w, statusbar, config);
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w->draw = netwmicon_draw;
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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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