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Reject font values that are invalid for pango

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Use pango to parse font configuration early, and reject the command as
invalid if the value is invalid for pango. Since we're already parsing
the font into a `PangoFontDescription`, keep that instance around and
avoid re-parsing the font each time we render text.

Fixes: https://github.com/swaywm/sway/issues/6805
This commit is contained in:
Hugo Osvaldo Barrera 2022-06-29 21:38:24 +02:00 • committed by Simon Ser
parent 9e8866ae20
commit 75605491a5
5 changed files with 30 additions and 6 deletions
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4
include/sway/config.h
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@ -17,6 +17,7 @@
#include "sway/input/tablet.h"
#include "sway/tree/root.h"
#include "wlr-layer-shell-unstable-v1-protocol.h"
#include <pango/pangocairo.h>
// TODO: Refactor this shit
@ -504,7 +505,8 @@ struct sway_config {
char *floating_scroll_right_cmd;
enum sway_container_layout default_orientation;
enum sway_container_layout default_layout;
char *font;
char *font; // Use mostly for IPC.
PangoFontDescription *font_description; // Used internally for rendering and validating.
int font_height;
int font_baseline;
bool pango_markup;