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fix a few GTK3 theming quirks

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This commit is contained in:
deepend-tildeclub
2026-07-15 23:56:05 -06:00
parent 65dd2c645a
commit 90daed18df
15 changed files with 721 additions and 52 deletions
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91
src/fe-gtk/theme/tests/test-theme-access-routing.c
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@@ -23,6 +23,7 @@
#include <math.h>
#include "../theme-access.h"
#include "../theme-css.h"
#include "../theme-manager.h"
#include "../theme-runtime.h"
#include "../../xtext-color.h"
@@ -54,6 +55,13 @@ setup_apply_real (const ThemeChangedEvent *event)
(void) event;
}
void
gtkutil_append_font_css (GString *css, const PangoFontDescription *font_desc)
{
(void) css;
(void) font_desc;
}
gboolean
fe_dark_mode_is_enabled_for (unsigned int mode)
{
@@ -173,6 +181,14 @@ theme_gtk3_is_active (void)
return stub_gtk3_active;
}
gboolean
theme_gtk3_lookup_theme_color (const char *name, GdkRGBA *out_color)
{
(void) name;
(void) out_color;
return FALSE;
}
static gboolean
rgba_equal (const GdkRGBA *a, const GdkRGBA *b)
{
@@ -336,6 +352,79 @@ test_access_xtext_palette_widget_mapping_when_gtk3_active (void)
g_object_unref (provider);
}
static void
test_access_palette_css_does_not_feed_back_into_sampling (void)
{
GtkWidget *window;
GtkWidget *label;
GtkCssProvider *theme1;
GtkCssProvider *theme2;
GdkScreen *screen;
XTextColor palette[2] = { 0 };
GdkRGBA old_bg;
GdkRGBA old_fg;
GdkRGBA expected;
if (!gtk_available)
{
g_test_message ("GTK display not available");
return;
}
reset_stubs ();
stub_gtk3_active = TRUE;
screen = gdk_screen_get_default ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
label = gtk_label_new ("mapped");
gtk_container_add (GTK_CONTAINER (window), label);
gtk_widget_realize (window);
/* Old GTK3 theme active at screen level. */
theme1 = gtk_css_provider_new ();
gtk_css_provider_load_from_data (theme1,
"label { color: #112233; background-color: #445566; }"
"label:selected { color: #778899; background-color: #aabbcc; }",
-1, NULL);
gtk_style_context_add_provider_for_screen (screen,
GTK_STYLE_PROVIDER (theme1), GTK_STYLE_PROVIDER_PRIORITY_USER);
/* The app paints the sampled theme colors onto the widget, like the
* user list / channel tree / input box palette provider does. */
g_assert_true (gdk_rgba_parse (&old_bg, "#445566"));
g_assert_true (gdk_rgba_parse (&old_fg, "#112233"));
theme_css_apply_palette_widget (label, &old_bg, &old_fg, NULL);
/* The user switches to a new GTK3 theme. */
gtk_style_context_remove_provider_for_screen (screen, GTK_STYLE_PROVIDER (theme1));
theme2 = gtk_css_provider_new ();
gtk_css_provider_load_from_data (theme2,
"label { color: #00ff00; background-color: #ff0000; }"
"label:selected { color: #0000ff; background-color: #ffff00; }",
-1, NULL);
gtk_style_context_add_provider_for_screen (screen,
GTK_STYLE_PROVIDER (theme2), GTK_STYLE_PROVIDER_PRIORITY_USER);
gtk_style_context_reset_widgets (screen);
/* Re-sampling must see the new theme, not the palette colors the
* app applied for the old theme. */
theme_get_xtext_colors_for_widget (label, palette, G_N_ELEMENTS (palette));
g_assert_true (stub_last_gtk_map_valid);
g_assert_true (gdk_rgba_parse (&expected, "#00ff00"));
g_assert_true (rgba_close (&stub_last_gtk_map.text_foreground, &expected));
g_assert_true (gdk_rgba_parse (&expected, "#ff0000"));
g_assert_true (rgba_close (&stub_last_gtk_map.text_background, &expected));
/* Sampling must not permanently strip the palette class. */
g_assert_true (gtk_style_context_has_class (gtk_widget_get_style_context (label),
theme_css_palette_class_name ()));
gtk_style_context_remove_provider_for_screen (screen, GTK_STYLE_PROVIDER (theme2));
gtk_widget_destroy (window);
g_object_unref (theme1);
g_object_unref (theme2);
}
static void
test_access_dark_light_switch_affects_token_consumers (void)
{
@@ -363,6 +452,8 @@ main (int argc, char **argv)
g_test_add_func ("/theme/access/xtext_palette_forwarding", test_access_xtext_palette_forwarding);
g_test_add_func ("/theme/access/xtext_palette_widget_mapping_when_gtk3_active",
test_access_xtext_palette_widget_mapping_when_gtk3_active);
g_test_add_func ("/theme/access/palette_css_does_not_feed_back_into_sampling",
test_access_palette_css_does_not_feed_back_into_sampling);
g_test_add_func ("/theme/access/widget_style_forwarding", test_access_widget_style_forwarding);
g_test_add_func ("/theme/access/dark_light_switch_affects_token_consumers",
test_access_dark_light_switch_affects_token_consumers);