1f660a4cc4
This patch moves the title_format information from windows to containers. Furthermore, it allows correctly setting it on window-less containers and displays the title accordingly for split containers. We now also dump and read title_format in GET_TREE / during restarts. fixes #2120
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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*/
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "libi3.h"
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#ifndef STARTS_WITH
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#define STARTS_WITH(string, needle) (strncasecmp((string), (needle), strlen((needle))) == 0)
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#endif
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/*
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* Replaces occurences of the defined placeholders in the format string.
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*
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*/
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char *format_placeholders(char *format, placeholder_t *placeholders, int num) {
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if (format == NULL)
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return NULL;
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/* We have to first iterate over the string to see how much buffer space
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* we need to allocate. */
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int buffer_len = strlen(format) + 1;
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for (char *walk = format; *walk != '\0'; walk++) {
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for (int i = 0; i < num; i++) {
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if (!STARTS_WITH(walk, placeholders[i].name))
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continue;
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buffer_len = buffer_len - strlen(placeholders[i].name) + strlen(placeholders[i].value);
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walk += strlen(placeholders[i].name) - 1;
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break;
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}
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}
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/* Now we can parse the format string. */
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char buffer[buffer_len];
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char *outwalk = buffer;
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for (char *walk = format; *walk != '\0'; walk++) {
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if (*walk != '%') {
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*(outwalk++) = *walk;
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continue;
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}
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bool matched = false;
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for (int i = 0; i < num; i++) {
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if (!STARTS_WITH(walk, placeholders[i].name)) {
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continue;
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}
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matched = true;
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outwalk += sprintf(outwalk, "%s", placeholders[i].value);
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walk += strlen(placeholders[i].name) - 1;
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break;
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}
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if (!matched)
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*(outwalk++) = *walk;
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}
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*outwalk = '\0';
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return sstrdup(buffer);
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}
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