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config: add optional ‘center’ argument to ‘pad’

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When set, the grid contents is centered in the window. I.e. the
left/right and top/bottom margins are equal (+- 1px).

This causes the content to “jump” while doing an interactive resize,
but may still be preferred in e.g. a tiling WM.

Closes #273
This commit is contained in:
Daniel Eklöf 2021-01-06 11:17:29 +01:00
parent 21dbb44a30
commit e14c592f39
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GPG key ID: 5BBD4992C116573F
6 changed files with 44 additions and 8 deletions
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11
config.c
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@ -466,9 +466,15 @@ parse_section_main(const char *key, const char *value, struct config *conf,
else if (strcmp(key, "pad") == 0) {
unsigned x, y;
if (sscanf(value, "%ux%u", &x, &y) != 2) {
char mode[16] = {0};
int ret = sscanf(value, "%ux%u %15s", &x, &y, mode);
bool center = strcasecmp(mode, "center") == 0;
bool invalid_mode = !center && mode[0] != '\0';
if ((ret != 2 && ret != 3) || invalid_mode) {
LOG_AND_NOTIFY_ERR(
"%s:%d: [default]: pad: expected PAD_XxPAD_Y, "
"%s:%d: [default]: pad: expected PAD_XxPAD_Y [center], "
"where both are positive integers, got '%s'",
path, lineno, value);
return false;
@ -476,6 +482,7 @@ parse_section_main(const char *key, const char *value, struct config *conf,
conf->pad_x = x;
conf->pad_y = y;
conf->center = center;
}
else if (strcmp(key, "bold-text-in-bright") == 0)