feat: centralize theming in theme-manager (palette/tokens, CSS, dark-mode, setup UI), add tests + win32/meson wiring

src/fe-gtk/theme/tests/test-theme-manager-auto-refresh.c

@@ -0,0 +1,229 @@
+#include <gtk/gtk.h>
+
+#include "../theme-manager.h"
+#include "../../fe-gtk.h"
+#include "../../../common/zoitechat.h"
+#include "../../../common/zoitechatc.h"
+
+struct session *current_sess;
+struct session *current_tab;
+struct session *lastact_sess;
+struct zoitechatprefs prefs;
+
+static gboolean stub_apply_mode_palette_changed;
+static gboolean stub_system_prefers_dark;
+static int auto_state_calls;
+static gboolean last_auto_state;
+static int listener_calls;
+static ThemeChangedEvent last_event;
+static int idle_add_calls;
+static guint next_idle_source_id = 33;
+
+void setup_apply_real (const ThemeChangedEvent *event)
+{
+	(void) event;
+}
+
+gboolean fe_dark_mode_is_enabled_for (unsigned int mode)
+{
+	return mode == ZOITECHAT_DARK_MODE_DARK;
+}
+
+void fe_set_auto_dark_mode_state (gboolean enabled)
+{
+	auto_state_calls++;
+	last_auto_state = enabled;
+}
+
+gboolean fe_win32_high_contrast_is_enabled (void)
+{
+	return FALSE;
+}
+
+gboolean fe_win32_try_get_system_dark (gboolean *enabled)
+{
+	(void) enabled;
+	return FALSE;
+}
+
+void zoitechat_set_theme_post_apply_callback (zoitechat_theme_post_apply_callback callback)
+{
+	(void) callback;
+}
+
+gboolean theme_policy_is_dark_mode_active (unsigned int mode)
+{
+	return mode == ZOITECHAT_DARK_MODE_DARK;
+}
+
+gboolean theme_policy_system_prefers_dark (void)
+{
+	return stub_system_prefers_dark;
+}
+
+gboolean theme_application_apply_mode (unsigned int mode, gboolean *palette_changed)
+{
+	(void) mode;
+	if (palette_changed)
+		*palette_changed = stub_apply_mode_palette_changed;
+	return TRUE;
+}
+
+void theme_application_reload_input_style (void)
+{
+}
+
+void theme_runtime_dark_set_color (ThemeSemanticToken token, const GdkRGBA *color)
+{
+	(void) token;
+	(void) color;
+}
+
+void theme_runtime_user_set_color (ThemeSemanticToken token, const GdkRGBA *color)
+{
+	(void) token;
+	(void) color;
+}
+
+gboolean theme_runtime_apply_mode (unsigned int mode, gboolean *dark_active)
+{
+	(void) mode;
+	(void) dark_active;
+	return FALSE;
+}
+
+void theme_css_reload_input_style (gboolean enabled, const PangoFontDescription *font_desc)
+{
+	(void) enabled;
+	(void) font_desc;
+}
+
+void theme_css_apply_palette_widget (GtkWidget *widget, const GdkRGBA *bg, const GdkRGBA *fg,
+				     const PangoFontDescription *font_desc)
+{
+	(void) widget;
+	(void) bg;
+	(void) fg;
+	(void) font_desc;
+}
+
+void theme_runtime_load (void)
+{
+}
+
+void theme_runtime_save (void)
+{
+}
+
+gboolean theme_runtime_is_dark_active (void)
+{
+	return FALSE;
+}
+
+void gtkutil_apply_palette (GtkWidget *widget, const GdkRGBA *background, const GdkRGBA *foreground,
+			    const PangoFontDescription *font_desc)
+{
+	(void) widget;
+	(void) background;
+	(void) foreground;
+	(void) font_desc;
+}
+
+void theme_get_widget_style_values (ThemeWidgetStyleValues *out_values)
+{
+	gdk_rgba_parse (&out_values->background, "#101010");
+	gdk_rgba_parse (&out_values->foreground, "#f0f0f0");
+}
+
+void fe_win32_apply_native_titlebar (GtkWidget *window, gboolean dark)
+{
+	(void) window;
+	(void) dark;
+}
+
+static void
+auto_listener (const ThemeChangedEvent *event, gpointer userdata)
+{
+	(void) userdata;
+	listener_calls++;
+	last_event = *event;
+}
+
+static guint
+immediate_idle_add (GSourceFunc function, gpointer data)
+{
+	idle_add_calls++;
+	function (data);
+	return next_idle_source_id++;
+}
+
+static void
+reset_state (void)
+{
+	stub_apply_mode_palette_changed = FALSE;
+	stub_system_prefers_dark = FALSE;
+	auto_state_calls = 0;
+	last_auto_state = FALSE;
+	listener_calls = 0;
+	idle_add_calls = 0;
+	next_idle_source_id = 33;
+}
+
+static void
+test_auto_refresh_dispatches_mode_palette_and_style_reasons (void)
+{
+	guint listener_id;
+
+	reset_state ();
+	prefs.hex_gui_dark_mode = ZOITECHAT_DARK_MODE_AUTO;
+	stub_apply_mode_palette_changed = TRUE;
+	stub_system_prefers_dark = TRUE;
+	listener_id = theme_listener_register ("auto.refresh", auto_listener, NULL);
+	theme_manager_set_idle_add_func (immediate_idle_add);
+
+	theme_manager_refresh_auto_mode ();
+
+	g_assert_cmpint (idle_add_calls, ==, 1);
+	g_assert_cmpint (auto_state_calls, ==, 2);
+	g_assert_true (last_auto_state);
+	g_assert_cmpint (listener_calls, ==, 1);
+	g_assert_true (theme_changed_event_has_reason (&last_event, THEME_CHANGED_REASON_PALETTE));
+	g_assert_true (theme_changed_event_has_reason (&last_event, THEME_CHANGED_REASON_WIDGET_STYLE));
+	g_assert_true (theme_changed_event_has_reason (&last_event, THEME_CHANGED_REASON_USERLIST));
+	g_assert_true (theme_changed_event_has_reason (&last_event, THEME_CHANGED_REASON_MODE));
+
+	theme_manager_set_idle_add_func (NULL);
+	theme_listener_unregister (listener_id);
+}
+
+static void
+test_auto_refresh_ignores_non_auto_mode (void)
+{
+	guint listener_id;
+
+	reset_state ();
+	prefs.hex_gui_dark_mode = ZOITECHAT_DARK_MODE_DARK;
+	stub_apply_mode_palette_changed = TRUE;
+	listener_id = theme_listener_register ("auto.nonauto", auto_listener, NULL);
+	theme_manager_set_idle_add_func (immediate_idle_add);
+
+	theme_manager_refresh_auto_mode ();
+
+	g_assert_cmpint (idle_add_calls, ==, 1);
+	g_assert_cmpint (auto_state_calls, ==, 0);
+	g_assert_cmpint (listener_calls, ==, 0);
+
+	theme_manager_set_idle_add_func (NULL);
+	theme_listener_unregister (listener_id);
+}
+
+int
+main (int argc, char **argv)
+{
+	g_test_init (&argc, &argv, NULL);
+	g_test_add_func ("/theme/manager/auto_refresh_dispatches_mode_palette_and_style_reasons",
+			 test_auto_refresh_dispatches_mode_palette_and_style_reasons);
+	g_test_add_func ("/theme/manager/auto_refresh_ignores_non_auto_mode",
+			 test_auto_refresh_ignores_non_auto_mode);
+	return g_test_run ();
+}