mirror of
https://github.com/vale981/bspwm
synced 2025-03-06 02:01:42 -05:00
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/* Copyright (c) 2012, Bastien Dejean
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "bspwm.h"
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void warn(char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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}
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__attribute__((noreturn))
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void err(char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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exit(EXIT_FAILURE);
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}
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bool get_color(char *col, xcb_window_t win, uint32_t *pxl)
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{
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xcb_colormap_t map = screen->default_colormap;
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xcb_get_window_attributes_reply_t *reply = xcb_get_window_attributes_reply(dpy, xcb_get_window_attributes(dpy, win), NULL);
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if (reply != NULL)
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map = reply->colormap;
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free(reply);
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if (col[0] == '#') {
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unsigned int red, green, blue;
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if (sscanf(col + 1, "%02x%02x%02x", &red, &green, &blue) == 3) {
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/* 2**16 - 1 == 0xffff and 0x101 * 0xij == 0xijij */
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red *= 0x101;
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green *= 0x101;
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blue *= 0x101;
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xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply(dpy, xcb_alloc_color(dpy, map, red, green, blue), NULL);
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if (reply != NULL) {
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*pxl = reply->pixel;
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free(reply);
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return true;
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}
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}
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} else {
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xcb_alloc_named_color_reply_t *reply = xcb_alloc_named_color_reply(dpy, xcb_alloc_named_color(dpy, map, strlen(col), col), NULL);
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if (reply != NULL) {
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*pxl = reply->pixel;
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free(reply);
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return true;
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}
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}
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*pxl = 0;
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return false;
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}
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double distance(xcb_point_t a, xcb_point_t b)
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{
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return hypot(a.x - b.x, a.y - b.y);
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}
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