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config: line-height, letter-spacing: values are in pt by default, but we allow px

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If the value is specified without a unit, then the value is assumed to
be in points, subject to DPI scaling.

The value can optionally have a ‘px’ suffix, in which case the value
is treated as a raw pixel count.
This commit is contained in:
Daniel Eklöf 2021-01-07 17:00:58 +01:00
parent 4c9f593d91
commit a6fc8b5da4
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GPG key ID: 5BBD4992C116573F
6 changed files with 97 additions and 61 deletions
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14
config.h
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@ -54,6 +54,12 @@ struct config_mouse_binding {
} pipe;
};
/* If px == -1, neither px nor pt is valid. If px == 0, pt is valid, else px */
union pt_or_px {
int16_t px;
float pt;
};
struct config {
char *term;
char *shell;
@ -85,12 +91,12 @@ struct config {
config_font_list_t fonts[4];
/* Custom font metrics (-1 = use real font metrics) */
int16_t line_height;
int16_t letter_spacing;
union pt_or_px line_height;
union pt_or_px letter_spacing;
/* Adjusted letter x/y offsets */
int16_t horizontal_letter_offset;
int16_t vertical_letter_offset;
union pt_or_px horizontal_letter_offset;
union pt_or_px vertical_letter_offset;
struct {
int lines;