+/* Copyright (c) 2012, Bastien Dejean
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ctype.h>
#include <math.h>
#include "bspwm.h"
void warn(char *fmt, ...)
{
- va_list ap;
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
}
__attribute__((noreturn))
void err(char *fmt, ...)
{
- va_list ap;
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);
+}
+
+char *read_string(const char *file_path, size_t *tlen)
+{
+ if (file_path == NULL) {
+ return NULL;
+ }
+
+ int fd = open(file_path, O_RDONLY);
+
+ if (fd == -1) {
+ perror("Read file: open");
+ return NULL;
+ }
+
+ char buf[BUFSIZ], *content;
+ size_t len = sizeof(buf);
+
+ if ((content = malloc(len * sizeof(char))) == NULL) {
+ perror("Read file: malloc");
+ return NULL;
+ }
+
+ int nb;
+ *tlen = 0;
+
+ while (true) {
+ nb = read(fd, buf, sizeof(buf));
+ if (nb < 0) {
+ perror("Restore tree: read");
+ free(content);
+ return NULL;
+ } else if (nb == 0) {
+ break;
+ } else {
+ *tlen += nb;
+ if (*tlen > len) {
+ len *= 2;
+ char *rcontent = realloc(content, len * sizeof(char));
+ if (rcontent == NULL) {
+ perror("Read file: realloc");
+ free(content);
+ return NULL;
+ } else {
+ content = rcontent;
+ }
+ }
+ strncpy(content + (*tlen - nb), buf, nb);
+ }
+ }
+
+ return content;
+}
+
+
+/* Adapted from i3wm */
+uint32_t get_color_pixel(const char *color)
+{
+ unsigned int red, green, blue;
+ if (sscanf(color + 1, "%02x%02x%02x", &red, &green, &blue) == 3) {
+ /* We set the first 8 bits high to have 100% opacity in case of a 32 bit
+ * color depth visual. */
+ return (0xFF << 24) | (red << 16 | green << 8 | blue);
+ } else {
+ return screen->black_pixel;
+ }
}
-bool get_color(char *col, xcb_window_t win, uint32_t *pxl)
+bool is_hex_color(const char *color)
{
- xcb_colormap_t map = screen->default_colormap;
- xcb_get_window_attributes_reply_t *reply = xcb_get_window_attributes_reply(dpy, xcb_get_window_attributes(dpy, win), NULL);
- if (reply != NULL)
- map = reply->colormap;
- free(reply);
-
- if (col[0] == '#') {
- unsigned int red, green, blue;
- if (sscanf(col + 1, "%02x%02x%02x", &red, &green, &blue) == 3) {
- /* 2**16 - 1 == 0xffff and 0x101 * 0xij == 0xijij */
- red *= 0x101;
- green *= 0x101;
- blue *= 0x101;
- xcb_alloc_color_reply_t *reply = xcb_alloc_color_reply(dpy, xcb_alloc_color(dpy, map, red, green, blue), NULL);
- if (reply != NULL) {
- *pxl = reply->pixel;
- free(reply);
- return true;
- }
- }
- } else {
- xcb_alloc_named_color_reply_t *reply = xcb_alloc_named_color_reply(dpy, xcb_alloc_named_color(dpy, map, strlen(col), col), NULL);
- if (reply != NULL) {
- *pxl = reply->pixel;
- free(reply);
- return true;
- }
- }
- *pxl = 0;
- return false;
+ if (color[0] != '#' || strlen(color) != 7) {
+ return false;
+ }
+ for (int i = 1; i < 7; i++) {
+ if (!isxdigit(color[i])) {
+ return false;
+ }
+ }
+ return true;
}
double distance(xcb_point_t a, xcb_point_t b)
{
- return hypot(a.x - b.x, a.y - b.y);
+ return hypot(a.x - b.x, a.y - b.y);
}
projects / bspwm.git / blobdiff