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my_application.cc · 148 lines · 5.3 KBC++ Blame HistoryRaw
Build the APK, out of ClojureDart and Flutter e2b0e6b nandi 7d ago1#include "my_application.h"
2
3#include <flutter_linux/flutter_linux.h>
4#ifdef GDK_WINDOWING_X11
5#include <gdk/gdkx.h>
6#endif
7
8#include "flutter/generated_plugin_registrant.h"
9
10struct _MyApplication {
11 GtkApplication parent_instance;
12 char** dart_entrypoint_arguments;
13};
14
15G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
16
17// Called when first Flutter frame received.
18static void first_frame_cb(MyApplication* self, FlView* view) {
19 gtk_widget_show(gtk_widget_get_toplevel(GTK_WIDGET(view)));
20}
21
22// Implements GApplication::activate.
23static void my_application_activate(GApplication* application) {
24 MyApplication* self = MY_APPLICATION(application);
25 GtkWindow* window =
26 GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
27
28 // Use a header bar when running in GNOME as this is the common style used
29 // by applications and is the setup most users will be using (e.g. Ubuntu
30 // desktop).
31 // If running on X and not using GNOME then just use a traditional title bar
32 // in case the window manager does more exotic layout, e.g. tiling.
33 // If running on Wayland assume the header bar will work (may need changing
34 // if future cases occur).
35 gboolean use_header_bar = TRUE;
36#ifdef GDK_WINDOWING_X11
37 GdkScreen* screen = gtk_window_get_screen(window);
38 if (GDK_IS_X11_SCREEN(screen)) {
39 const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
40 if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
41 use_header_bar = FALSE;
42 }
43 }
44#endif
45 if (use_header_bar) {
46 GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
47 gtk_widget_show(GTK_WIDGET(header_bar));
Paint the desktop with Flutter too, beside libcosmic fc5f63c nandi 7d ago48 gtk_header_bar_set_title(header_bar, "frq");
Build the APK, out of ClojureDart and Flutter e2b0e6b nandi 7d ago49 gtk_header_bar_set_show_close_button(header_bar, TRUE);
50 gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
51 } else {
Paint the desktop with Flutter too, beside libcosmic fc5f63c nandi 7d ago52 gtk_window_set_title(window, "frq");
Build the APK, out of ClojureDart and Flutter e2b0e6b nandi 7d ago53 }
54
55 gtk_window_set_default_size(window, 1280, 720);
56
57 g_autoptr(FlDartProject) project = fl_dart_project_new();
58 fl_dart_project_set_dart_entrypoint_arguments(
59 project, self->dart_entrypoint_arguments);
60
61 FlView* view = fl_view_new(project);
62 GdkRGBA background_color;
63 // Background defaults to black, override it here if necessary, e.g. #00000000
64 // for transparent.
65 gdk_rgba_parse(&background_color, "#000000");
66 fl_view_set_background_color(view, &background_color);
67 gtk_widget_show(GTK_WIDGET(view));
68 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
69
70 // Show the window when Flutter renders.
71 // Requires the view to be realized so we can start rendering.
72 g_signal_connect_swapped(view, "first-frame", G_CALLBACK(first_frame_cb),
73 self);
74 gtk_widget_realize(GTK_WIDGET(view));
75
76 fl_register_plugins(FL_PLUGIN_REGISTRY(view));
77
78 gtk_widget_grab_focus(GTK_WIDGET(view));
79}
80
81// Implements GApplication::local_command_line.
82static gboolean my_application_local_command_line(GApplication* application,
83 gchar*** arguments,
84 int* exit_status) {
85 MyApplication* self = MY_APPLICATION(application);
86 // Strip out the first argument as it is the binary name.
87 self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
88
89 g_autoptr(GError) error = nullptr;
90 if (!g_application_register(application, nullptr, &error)) {
91 g_warning("Failed to register: %s", error->message);
92 *exit_status = 1;
93 return TRUE;
94 }
95
96 g_application_activate(application);
97 *exit_status = 0;
98
99 return TRUE;
100}
101
102// Implements GApplication::startup.
103static void my_application_startup(GApplication* application) {
104 // MyApplication* self = MY_APPLICATION(object);
105
106 // Perform any actions required at application startup.
107
108 G_APPLICATION_CLASS(my_application_parent_class)->startup(application);
109}
110
111// Implements GApplication::shutdown.
112static void my_application_shutdown(GApplication* application) {
113 // MyApplication* self = MY_APPLICATION(object);
114
115 // Perform any actions required at application shutdown.
116
117 G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application);
118}
119
120// Implements GObject::dispose.
121static void my_application_dispose(GObject* object) {
122 MyApplication* self = MY_APPLICATION(object);
123 g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
124 G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
125}
126
127static void my_application_class_init(MyApplicationClass* klass) {
128 G_APPLICATION_CLASS(klass)->activate = my_application_activate;
129 G_APPLICATION_CLASS(klass)->local_command_line =
130 my_application_local_command_line;
131 G_APPLICATION_CLASS(klass)->startup = my_application_startup;
132 G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown;
133 G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
134}
135
136static void my_application_init(MyApplication* self) {}
137
138MyApplication* my_application_new() {
139 // Set the program name to the application ID, which helps various systems
140 // like GTK and desktop environments map this running application to its
141 // corresponding .desktop file. This ensures better integration by allowing
142 // the application to be recognized beyond its binary name.
143 g_set_prgname(APPLICATION_ID);
144
145 return MY_APPLICATION(g_object_new(my_application_get_type(),
146 "application-id", APPLICATION_ID, "flags",
147 G_APPLICATION_NON_UNIQUE, nullptr));
148}