jpmschweitzer/clide
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replace OS title bar with per-column 24px hats (D-057)

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Hide GTK title bar via gtk_window_set_decorated(FALSE). Add
MethodChannel('clide/window') for drag/minimize/maximize/close
wired to GTK window functions. Dart WindowControls service wraps
the channel. Three per-column hats in RootLayout: left (macOS
traffic lights or plain drag), center (project > branch label),
right (minimize/maximize/close glyph buttons on Linux). Resolves
Q-006.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
jpmschweitzer
2026-04-23 08:16:28 +02:00
co-authored by Claude Opus 4.6
parent eb8c9ecf5d
commit 538472f7ec
9 changed files with 325 additions and 31 deletions
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linux/runner/my_application.cc
+51 -26
View File
@@ -25,32 +25,10 @@ static void my_application_activate(GApplication* application) {
GtkWindow* window =
GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
// Use a header bar when running in GNOME as this is the common style used
// by applications and is the setup most users will be using (e.g. Ubuntu
// desktop).
// If running on X and not using GNOME then just use a traditional title bar
// in case the window manager does more exotic layout, e.g. tiling.
// If running on Wayland assume the header bar will work (may need changing
// if future cases occur).
gboolean use_header_bar = TRUE;
#ifdef GDK_WINDOWING_X11
GdkScreen* screen = gtk_window_get_screen(window);
if (GDK_IS_X11_SCREEN(screen)) {
const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
use_header_bar = FALSE;
}
}
#endif
if (use_header_bar) {
GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
gtk_widget_show(GTK_WIDGET(header_bar));
gtk_header_bar_set_title(header_bar, "clide");
gtk_header_bar_set_show_close_button(header_bar, TRUE);
gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
} else {
gtk_window_set_title(window, "clide");
}
// D-057: frameless custom chrome. The Flutter app draws its own
// per-column hats with drag regions and window buttons.
gtk_window_set_decorated(window, FALSE);
gtk_window_set_title(window, "clide");
gtk_window_set_default_size(window, 1280, 720);
@@ -84,6 +62,53 @@ static void my_application_activate(GApplication* application) {
fl_register_plugins(FL_PLUGIN_REGISTRY(view));
// D-057: method channel for window controls (drag, minimize, maximize, close).
FlEngine* engine = fl_view_get_engine(view);
g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
FlMethodChannel* channel = fl_method_channel_new(
fl_engine_get_binary_messenger(engine), "clide/window",
FL_METHOD_CODEC(codec));
g_object_set_data(G_OBJECT(window), "clide_method_channel", channel);
fl_method_channel_set_method_call_handler(
channel,
[](FlMethodChannel* channel, FlMethodCall* method_call,
gpointer user_data) {
GtkWindow* w = GTK_WINDOW(user_data);
const gchar* method = fl_method_call_get_name(method_call);
g_autoptr(FlMethodResponse) response = nullptr;
if (g_strcmp0(method, "startDrag") == 0) {
gtk_window_begin_move_drag(w, 1, 0, 0,
GDK_CURRENT_TIME);
response = FL_METHOD_RESPONSE(
fl_method_success_response_new(fl_value_new_null()));
} else if (g_strcmp0(method, "minimize") == 0) {
gtk_window_iconify(w);
response = FL_METHOD_RESPONSE(
fl_method_success_response_new(fl_value_new_null()));
} else if (g_strcmp0(method, "maximize") == 0) {
if (gtk_window_is_maximized(w)) {
gtk_window_unmaximize(w);
} else {
gtk_window_maximize(w);
}
response = FL_METHOD_RESPONSE(
fl_method_success_response_new(fl_value_new_null()));
} else if (g_strcmp0(method, "close") == 0) {
gtk_window_close(w);
response = FL_METHOD_RESPONSE(
fl_method_success_response_new(fl_value_new_null()));
} else if (g_strcmp0(method, "isMaximized") == 0) {
response = FL_METHOD_RESPONSE(fl_method_success_response_new(
fl_value_new_bool(gtk_window_is_maximized(w))));
} else {
response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new());
}
fl_method_call_respond(method_call, response, nullptr);
},
window, nullptr);
gtk_widget_grab_focus(GTK_WIDGET(view));
}