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ime: don’t call text-input functions when it isn’t available

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Closes #259
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Daniel Eklöf 2020-12-25 22:04:19 +01:00
parent 152fb0186b
commit 797e79d3c7
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2 changed files with 8 additions and 0 deletions
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2
CHANGELOG.md
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@ -30,6 +30,8 @@
* Exit when the client application terminates, not when the TTY file * Exit when the client application terminates, not when the TTY file
descriptor is closed. descriptor is closed.
* Crash on compositors not implementing the _text input_ interface
(https://codeberg.org/dnkl/foot/issues/259).
### Security ### Security

6
ime.c
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@ -327,6 +327,9 @@ ime_reset(struct seat *seat)
void void
ime_enable(struct seat *seat) ime_enable(struct seat *seat)
{ {
if (unlikely(seat->wayl->text_input_manager == NULL))
return;
struct terminal *term = seat->kbd_focus; struct terminal *term = seat->kbd_focus;
assert(term != NULL); assert(term != NULL);
@ -348,6 +351,9 @@ ime_enable(struct seat *seat)
void void
ime_disable(struct seat *seat) ime_disable(struct seat *seat)
{ {
if (unlikely(seat->wayl->text_input_manager == NULL))
return;
ime_reset(seat); ime_reset(seat);
zwp_text_input_v3_disable(seat->wl_text_input); zwp_text_input_v3_disable(seat->wl_text_input);