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UI resizing tweaks

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This commit is contained in:
dvorakmortonxd 2026-09-11 21:50:54 +02:00
commit a6094bc780
5 changed files with 111 additions and 17 deletions
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43
main.c
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@ -126,6 +126,47 @@ GtkWidget *build_exercise_page(UnitCtx *u, int n) {
}
}
static int ui_scale_last_w = -1;
static guint ui_scale_timer = 0;
static int ui_scale_pending_w = 0;
static gboolean ui_scale_apply(gpointer data) {
double scale;
(void)data;
ui_scale_timer = 0;
scale = 1.0 + (ui_scale_pending_w - 760) / 1900.0;
if (scale < 1.0)
scale = 1.0;
if (scale > 1.5)
scale = 1.5;
scale = (double)((int)(scale * 20.0 + 0.5)) / 20.0;
if (scale != app_ui_scale) {
app_ui_scale = scale;
apply_theme();
}
return G_SOURCE_REMOVE;
}
/* Grow the interface's text as the window gets wider, so it stays comfortable
* when maximised on a large or high-DPI display. Debounced to avoid reloading
* the stylesheet on every frame while dragging. */
static gboolean ui_scale_tick(GtkWidget *w, GdkFrameClock *clock,
gpointer data) {
int width = gtk_widget_get_allocated_width(w);
(void)clock;
(void)data;
if (width < 200 || width == ui_scale_last_w)
return G_SOURCE_CONTINUE;
ui_scale_last_w = width;
ui_scale_pending_w = width;
if (ui_scale_timer)
g_source_remove(ui_scale_timer);
ui_scale_timer = g_timeout_add(120, ui_scale_apply, NULL);
return G_SOURCE_CONTINUE;
}
void activate(GtkApplication *app, gpointer user_data) {
GtkWindow *window;
GtkWidget *headerbar;
@ -243,6 +284,8 @@ void activate(GtkApplication *app, gpointer user_data) {
apply_theme();
apply_language();
gtk_widget_add_tick_callback(GTK_WIDGET(window), ui_scale_tick, NULL, NULL);
gtk_window_present(window);
}