nettika/buffybox
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Clear the screen before exiting

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Fixes: #50
This commit is contained in:
Johannes Marbach 2023-10-22 21:01:06 +02:00
parent cc55a9756b
commit 0bb962940c
2 changed files with 27 additions and 4 deletions
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2
CHANGELOG.md
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@ -2,7 +2,7 @@
## Unreleased
Nothing at the moment
- fix: Clear the screen before exiting (#50)
## 2.0.2 (2023-10-07)

29
main.c
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@ -90,9 +90,16 @@ static void toggle_theme(void);
/**
* Set the UI theme.
*
* @param is_dark true if the dark theme should be applied, false if the light theme should be applied
* @param is_alternate true if the alternate theme should be applied, false if the default theme should be applied
*/
static void set_theme(bool is_dark);
static void set_theme(bool is_alternate);
/**
* Get the UI theme.
*
* @param is_alternate true if the alternate theme should be selected, false if the default theme should be selected
*/
static const ul_theme * get_theme(bool is_alternate);
/**
* Handle LV_EVENT_CLICKED events from the show/hide password toggle button.
@ -222,7 +229,11 @@ static void toggle_theme(void) {
}
static void set_theme(bool is_alternate) {
ul_theme_apply(ul_themes_themes[is_alternate ? conf_opts.theme.alternate_id : conf_opts.theme.default_id]);
ul_theme_apply(get_theme(is_alternate));
}
static const ul_theme * get_theme(bool is_alternate) {
return ul_themes_themes[is_alternate ? conf_opts.theme.alternate_id : conf_opts.theme.default_id];
}
static void toggle_pw_btn_clicked_cb(lv_event_t *event) {
@ -318,7 +329,19 @@ static void textarea_ready_cb(lv_event_t *event) {
}
static void print_password_and_exit(lv_obj_t *textarea) {
/* Print the password to STDOUT */
printf("%s\n", lv_textarea_get_text(textarea));
/* Clear the screen so that when the password field was unobscured, it cannot
* leak via stale display buffers after we've exited */
lv_obj_t *rect = lv_obj_create(lv_scr_act());
lv_obj_set_size(rect, LV_PCT(100), LV_PCT(100));
lv_obj_set_pos(rect, 0, 0);
lv_obj_set_style_bg_opa(rect, LV_OPA_COVER, LV_PART_MAIN);
lv_obj_set_style_bg_color(rect , lv_color_hex(get_theme(is_alternate_theme)->window.bg_color), LV_PART_MAIN);
lv_refr_now(lv_disp_get_default()); /* Force the screen to be drawn */
/* Trigger SIGTERM to exit */
sigaction_handler(SIGTERM);
}