2009-02-13 20:33:31 -05:00
|
|
|
|
/*
|
|
|
|
|
* vim:ts=8:expandtab
|
|
|
|
|
*
|
|
|
|
|
* i3 - an improved dynamic tiling window manager
|
|
|
|
|
*
|
2009-12-19 16:39:00 -05:00
|
|
|
|
* © 2009 Michael Stapelberg and contributors
|
2009-02-13 20:33:31 -05:00
|
|
|
|
*
|
|
|
|
|
* See file LICENSE for license information.
|
|
|
|
|
*
|
|
|
|
|
*/
|
2009-02-14 14:12:50 -05:00
|
|
|
|
#include <xcb/xcb.h>
|
2009-07-28 08:03:50 -04:00
|
|
|
|
#include <err.h>
|
2009-02-14 14:12:50 -05:00
|
|
|
|
|
|
|
|
|
#include "data.h"
|
|
|
|
|
|
2009-02-13 13:04:45 -05:00
|
|
|
|
#ifndef _UTIL_H
|
|
|
|
|
#define _UTIL_H
|
|
|
|
|
|
2009-07-28 08:03:50 -04:00
|
|
|
|
#define die(...) errx(EXIT_FAILURE, __VA_ARGS__);
|
2009-02-15 16:52:33 -05:00
|
|
|
|
#define exit_if_null(pointer, ...) { if (pointer == NULL) die(__VA_ARGS__); }
|
2009-03-14 16:31:22 -04:00
|
|
|
|
#define STARTS_WITH(string, needle) (strncasecmp(string, needle, strlen(needle)) == 0)
|
2009-02-22 19:41:26 -05:00
|
|
|
|
#define CIRCLEQ_NEXT_OR_NULL(head, elm, field) (CIRCLEQ_NEXT(elm, field) != CIRCLEQ_END(head) ? \
|
|
|
|
|
CIRCLEQ_NEXT(elm, field) : NULL)
|
|
|
|
|
#define CIRCLEQ_PREV_OR_NULL(head, elm, field) (CIRCLEQ_PREV(elm, field) != CIRCLEQ_END(head) ? \
|
|
|
|
|
CIRCLEQ_PREV(elm, field) : NULL)
|
2009-03-10 19:20:56 -04:00
|
|
|
|
#define FOR_TABLE(workspace) \
|
2009-05-09 07:01:23 -04:00
|
|
|
|
for (int cols = 0; cols < (workspace)->cols; cols++) \
|
|
|
|
|
for (int rows = 0; rows < (workspace)->rows; rows++)
|
2009-03-30 02:27:53 -04:00
|
|
|
|
#define FREE(pointer) do { \
|
2009-06-21 07:44:14 -04:00
|
|
|
|
if (pointer != NULL) { \
|
2009-03-30 02:27:53 -04:00
|
|
|
|
free(pointer); \
|
|
|
|
|
pointer = NULL; \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
while (0)
|
2009-03-10 19:20:56 -04:00
|
|
|
|
|
2009-02-14 19:58:09 -05:00
|
|
|
|
int min(int a, int b);
|
|
|
|
|
int max(int a, int b);
|
2010-04-13 12:43:37 -04:00
|
|
|
|
bool rect_contains(Rect rect, uint32_t x, uint32_t y);
|
2010-11-12 15:41:10 -05:00
|
|
|
|
Rect rect_add(Rect a, Rect b);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
2010-02-28 12:39:11 -05:00
|
|
|
|
/**
|
|
|
|
|
* Updates *destination with new_value and returns true if it was changed or false
|
|
|
|
|
* if it was the same
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
bool update_if_necessary(uint32_t *destination, const uint32_t new_value);
|
|
|
|
|
|
2009-04-07 13:02:07 -04:00
|
|
|
|
/**
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* Safe-wrapper around malloc which exits if malloc returns NULL (meaning that
|
|
|
|
|
* there is no more memory available)
|
2009-04-07 13:02:07 -04:00
|
|
|
|
*
|
|
|
|
|
*/
|
2009-02-14 20:52:52 -05:00
|
|
|
|
void *smalloc(size_t size);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
|
|
|
|
/**
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* Safe-wrapper around calloc which exits if malloc returns NULL (meaning that
|
|
|
|
|
* there is no more memory available)
|
2009-04-07 13:02:07 -04:00
|
|
|
|
*
|
|
|
|
|
*/
|
2009-02-24 08:18:08 -05:00
|
|
|
|
void *scalloc(size_t size);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
2010-03-27 10:25:51 -04:00
|
|
|
|
/**
|
|
|
|
|
* Safe-wrapper around realloc which exits if realloc returns NULL (meaning
|
|
|
|
|
* that there is no more memory available).
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
void *srealloc(void *ptr, size_t size);
|
|
|
|
|
|
2009-04-07 13:02:07 -04:00
|
|
|
|
/**
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* Safe-wrapper around strdup which exits if malloc returns NULL (meaning that
|
|
|
|
|
* there is no more memory available)
|
2009-04-07 13:02:07 -04:00
|
|
|
|
*
|
|
|
|
|
*/
|
2009-02-14 20:52:52 -05:00
|
|
|
|
char *sstrdup(const char *str);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
|
|
|
|
/**
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* Starts the given application by passing it through a shell. We use double
|
|
|
|
|
* fork to avoid zombie processes. As the started application’s parent exits
|
|
|
|
|
* (immediately), the application is reparented to init (process-id 1), which
|
|
|
|
|
* correctly handles childs, so we don’t have to do it :-).
|
2009-04-07 13:02:07 -04:00
|
|
|
|
*
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* The shell is determined by looking for the SHELL environment variable. If
|
|
|
|
|
* it does not exist, /bin/sh is used.
|
2009-04-07 13:02:07 -04:00
|
|
|
|
*
|
|
|
|
|
*/
|
2009-02-13 19:36:12 -05:00
|
|
|
|
void start_application(const char *command);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
|
|
|
|
/**
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* Checks a generic cookie for errors and quits with the given message if
|
|
|
|
|
* there was an error.
|
2009-04-07 13:02:07 -04:00
|
|
|
|
*
|
|
|
|
|
*/
|
2009-06-29 15:54:51 -04:00
|
|
|
|
void check_error(xcb_connection_t *conn, xcb_void_cookie_t cookie,
|
|
|
|
|
char *err_message);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Converts the given string to UCS-2 big endian for use with
|
2009-06-29 15:54:51 -04:00
|
|
|
|
* xcb_image_text_16(). The amount of real glyphs is stored in real_strlen, a
|
|
|
|
|
* buffer containing the UCS-2 encoded string (16 bit per glyph) is
|
2009-04-07 13:02:07 -04:00
|
|
|
|
* returned. It has to be freed when done.
|
|
|
|
|
*
|
|
|
|
|
*/
|
2009-03-08 12:47:45 -04:00
|
|
|
|
char *convert_utf8_to_ucs2(char *input, int *real_strlen);
|
2009-04-07 13:02:07 -04:00
|
|
|
|
|
2010-01-03 08:52:38 -05:00
|
|
|
|
/*
|
|
|
|
|
* Restart i3 in-place
|
|
|
|
|
* appends -a to argument list to disable autostart
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
void i3_restart();
|
|
|
|
|
|
2009-02-13 13:04:45 -05:00
|
|
|
|
#endif
|