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Handle GTK themes that don't use the revealer

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This commit is contained in:
Seth Hillbrand 2025-01-11 19:56:24 -08:00
parent db56d51838
commit 8ab5d95d1b
1 changed files with 28 additions and 10 deletions

38
libs/kiplatform/port/wxgtk/ui.cpp
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@ -69,28 +69,46 @@ void KIPLATFORM::UI::GetInfoBarColours( wxColour& aFgColour, wxColour& aBgColour
// The GTK3.24 way of getting the colours is to use the style context
// Earlier GTKs should be able to use the system settings
#if( GTK_CHECK_VERSION( 3, 24, 0 ) )
GdkRGBA* rgba;
GdkRGBA* rgba;
GtkWidgetPath* path = gtk_widget_path_new();
GtkStyleContext* sc = gtk_style_context_new();
gtk_widget_path_append_type( path, GTK_TYPE_WINDOW );
gtk_widget_path_iter_set_object_name( path, -1, "infobar" );
gtk_widget_path_iter_add_class( path, -1, "background" );
gtk_widget_path_iter_add_class( path, -1, "info" );
gtk_widget_path_append_type( path, G_TYPE_NONE );
gtk_widget_path_iter_set_object_name( path, -1, "revealer" );
gtk_widget_path_append_type( path, G_TYPE_NONE );
gtk_widget_path_iter_set_object_name( path, -1, "box" );
gtk_style_context_set_path( sc, path );
gtk_style_context_set_state( sc, GTK_STATE_FLAG_NORMAL );
gtk_style_context_get( sc, GTK_STATE_FLAG_NORMAL, "background-color", &rgba, NULL );
aBgColour = wxColour(*rgba);
gdk_rgba_free(rgba);
aBgColour = wxColour( *rgba );
gdk_rgba_free( rgba );
gtk_style_context_get( sc, GTK_STATE_FLAG_NORMAL, "color", &rgba, NULL );
aFgColour = wxColour(*rgba);
gdk_rgba_free(rgba);
aFgColour = wxColour( *rgba );
gdk_rgba_free( rgba );
// Some GTK themes use the plain infobar style, but if they don't, the background alpha
// is generally 0. In this case, try the revealer and box as these are used for Adwaita
// and other themes.
if( aBgColour.Alpha() == 0 )
{
gtk_widget_path_append_type( path, G_TYPE_NONE );
gtk_widget_path_iter_set_object_name( path, -1, "revealer" );
gtk_widget_path_append_type( path, G_TYPE_NONE );
gtk_widget_path_iter_set_object_name( path, -1, "box" );
gtk_style_context_set_path( sc, path );
gtk_style_context_set_state( sc, GTK_STATE_FLAG_NORMAL );
gtk_style_context_get( sc, GTK_STATE_FLAG_NORMAL, "background-color", &rgba, NULL );
aBgColour = wxColour( *rgba );
gdk_rgba_free( rgba );
gtk_style_context_get( sc, GTK_STATE_FLAG_NORMAL, "color", &rgba, NULL );
aFgColour = wxColour( *rgba );
gdk_rgba_free( rgba );
}
gtk_widget_path_free( path );
g_object_unref( sc );