[client] Add light mode with system, light, and dark theme options (#7344)

* desktop UI light mode * Theme review fixes plus macOS window outline fix * Windows runtime chrome re-theming plus apply serialization * Windows chrome threading and theme event ordering fixes * Darken toggle and setting sidebar text * resolve theme appearance, apply on UI thread * read theme once per window * Re-assert Windows dark opt-in after SetTheme * split app-wide GTK theming from per-window chrome * Update Wails dependency and checksums * KDE tray icon panel fix * Five review fixes: theme ordering, cgo dedup, KDE panel resolution * Path guard hardening, toggle contrast, windows comment * non-vacuous escape tests * Default view edits * Polish settings nav, controls, borders, and disc * Profiles settings boarder, modals, and buttons * Additional edits based on feedback * Switch colors away from slight blue hue * Update missing lang * Fix vertical tab active view
2026-10-23 05:49:07 +02:00 · 2026-09-11 08:25:10 -07:00
parent f422c41654
commit ec0c36b0e7
68 changed files with 1853 additions and 259 deletions
@@ -0,0 +1,63 @@
+//go:build linux && cgo && !android && !ios
+
+package services
+
+/*
+// The GTK major version is the only difference between the two Linux builds, so
+// it is selected by these two directives rather than by keeping a second copy of
+// this file per version: the C below and the Go wrappers under it are identical
+// for GTK3 and GTK4, and both resolve <gtk/gtk.h> through pkg-config.
+#cgo gtk3 pkg-config: gtk+-3.0
+#cgo !gtk3 pkg-config: gtk4
+#include <stdlib.h>
+#include <gtk/gtk.h>
+
+static char *nbGetGtkThemeName(void) {
+	GtkSettings *settings = gtk_settings_get_default();
+	if (settings == NULL) {
+		return NULL;
+	}
+	char *name = NULL;
+	g_object_get(settings, "gtk-theme-name", &name, NULL);
+	return name;
+}
+
+// name may be NULL to leave the theme name untouched.
+static void nbSetGtkTheme(const char *name, int dark) {
+	GtkSettings *settings = gtk_settings_get_default();
+	if (settings == NULL) {
+		return;
+	}
+	if (name != NULL && name[0] != '\0') {
+		g_object_set(settings, "gtk-theme-name", name, NULL);
+	}
+	g_object_set(settings, "gtk-application-prefer-dark-theme", dark ? TRUE : FALSE, NULL);
+}
+
+static void nbFreeGtkString(char *s) { g_free(s); }
+*/
+import "C"
+
+import "unsafe"
+
+func gtkThemeName() string {
+	c := C.nbGetGtkThemeName()
+	if c == nil {
+		return ""
+	}
+	defer C.nbFreeGtkString(c)
+	return C.GoString(c)
+}
+
+func applyGtkTheme(name string, dark bool) {
+	var cName *C.char
+	if name != "" {
+		cName = C.CString(name)
+		defer C.free(unsafe.Pointer(cName))
+	}
+	var forced C.int
+	if dark {
+		forced = 1
+	}
+	C.nbSetGtkTheme(cName, forced)
+}