173 lines
6.9 KiB
C++
173 lines
6.9 KiB
C++
#include "my_application.h"
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// Added to check for location of assets folder
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#include <sys/types.h>
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#include <sys/stat.h>
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// To get the home dir of the user
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#include <unistd.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <flutter_linux/flutter_linux.h>
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#include <flutter_linux/fl_dart_project.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/gdkx.h>
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#endif
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#include "flutter/generated_plugin_registrant.h"
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struct _MyApplication {
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GtkApplication parent_instance;
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char** dart_entrypoint_arguments;
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};
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FlMethodChannel* channel;
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G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
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#include <dlfcn.h>
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gboolean
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on_shutdown(GtkWidget *widget, GdkEvent *event, gpointer data)
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{
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fl_method_channel_invoke_method(channel, "onWindowClose",
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nullptr, nullptr, nullptr, nullptr);
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return TRUE;
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}
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// Implements GApplication::activate.
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static void my_application_activate(GApplication* application) {
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MyApplication* self = MY_APPLICATION(application);
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GtkWindow* window =
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GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
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// Use a header bar when running in GNOME as this is the common style used
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// by applications and is the setup most users will be using (e.g. Ubuntu
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// desktop).
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// If running on X and not using GNOME then just use a traditional title bar
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// in case the window manager does more exotic layout, e.g. tiling.
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// If running on Wayland assume the header bar will work (may need changing
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// if future cases occur).
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gboolean use_header_bar = TRUE;
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#ifdef GDK_WINDOWING_X11
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GdkScreen* screen = gtk_window_get_screen(window);
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if (GDK_IS_X11_SCREEN(screen)) {
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const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
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if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
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use_header_bar = FALSE;
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}
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}
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#endif
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if (use_header_bar) {
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GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
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gtk_widget_show(GTK_WIDGET(header_bar));
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gtk_header_bar_set_title(header_bar, "cwtch");
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gtk_header_bar_set_show_close_button(header_bar, TRUE);
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gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
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} else {
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gtk_window_set_title(window, "cwtch");
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}
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gtk_window_set_default_size(window, 1280, 720);
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gtk_widget_show(GTK_WIDGET(window));
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// custom hook to catch app exit and send notification to flutter to cleanup
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g_signal_connect(G_OBJECT(window),
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"destroy", G_CALLBACK(on_shutdown), NULL);
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g_autoptr(FlDartProject) project = fl_dart_project_new();
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// Check if assets folder is relative to the executable or if we can use a system copy
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struct stat info;
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// if we're not in freshly compiled structure
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if (stat(fl_dart_project_get_assets_path(project), &info ) != 0 ) {
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if( stat("lib/cwtch", &info) == 0) {
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// use local dir structure
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fl_dart_project_set_assets_path(project, g_build_filename("data", "flutter_assets", nullptr));
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fl_dart_project_set_aot_library_path(project, g_build_filename("lib", "libapp.so", nullptr));
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fl_dart_project_set_icu_data_path(project, g_build_filename("data", "icudtl.dat", nullptr));
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gtk_window_set_icon_from_file(window, "./cwtch.png", NULL);
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} else if( stat("/usr/share/cwtch/data/flutter_assets", &info ) != 0 ) {
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// if we're non in sys installed structure, use home dir structure
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struct passwd *pw = getpwuid(getuid());
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const char *homedir = pw->pw_dir;
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// /home/$USER/.local/share/cwtch/data/flutter_assets
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fl_dart_project_set_assets_path(project, g_build_filename(homedir, ".local", "share", "cwtch", "data", "flutter_assets", nullptr));
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// /home/$USER/.local/lib/cwtch/
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fl_dart_project_set_aot_library_path(project, g_build_filename(homedir, ".local", "lib", "cwtch", "libapp.so", nullptr));
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// /home/$USER/.local/share/cwtch/data
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fl_dart_project_set_icu_data_path(project, g_build_filename(homedir, ".local", "share", "cwtch", "data", "icudtl.dat", nullptr));
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gtk_window_set_icon_from_file(window, g_build_filename(homedir, ".local", "share", "icons", "cwtch.png", nullptr), NULL);
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} else {
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// else assume we are in sys installed structure
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// /usr/share/cwtch/data/flutter_assets
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fl_dart_project_set_assets_path(project, g_build_filename("/", "usr", "share", "cwtch", "data", "flutter_assets", nullptr));
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// /usr/lib/cwtch
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fl_dart_project_set_aot_library_path(project, g_build_filename("/", "usr", "lib", "cwtch", "libapp.so", nullptr));
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// /usr/share/cwtch/data
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fl_dart_project_set_icu_data_path(project, g_build_filename("/", "usr", "share", "cwtch", "data", "icudtl.dat", nullptr));
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gtk_window_set_icon_from_file(window, "/usr/share/icons/cwtch.png", NULL);
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}
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}
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fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
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FlView* view = fl_view_new(project);
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gtk_widget_show(GTK_WIDGET(view));
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gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
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fl_register_plugins(FL_PLUGIN_REGISTRY(view));
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// Create a specific channel for shutting down cwtch when the close button is triggered
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// We have registered the "destroy" handle above for this reason
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FlEngine *engine = fl_view_get_engine(view);
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g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
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g_autoptr(FlBinaryMessenger) messenger = fl_engine_get_binary_messenger(engine);
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channel = fl_method_channel_new(messenger, "im.cwtch.linux.shutdown", FL_METHOD_CODEC(codec));
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gtk_widget_grab_focus(GTK_WIDGET(view));
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}
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// Implements GApplication::local_command_line.
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static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
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MyApplication* self = MY_APPLICATION(application);
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// Strip out the first argument as it is the binary name.
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self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
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g_autoptr(GError) error = nullptr;
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if (!g_application_register(application, nullptr, &error)) {
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g_warning("Failed to register: %s", error->message);
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*exit_status = 1;
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return TRUE;
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}
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g_application_activate(application);
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*exit_status = 0;
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return TRUE;
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}
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// Implements GObject::dispose.
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static void my_application_dispose(GObject* object) {
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MyApplication* self = MY_APPLICATION(object);
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g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
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G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
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}
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static void my_application_class_init(MyApplicationClass* klass) {
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G_APPLICATION_CLASS(klass)->activate = my_application_activate;
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G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
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G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
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}
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static void my_application_init(MyApplication* self) {}
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MyApplication* my_application_new() {
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return MY_APPLICATION(g_object_new(my_application_get_type(),
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"application-id", APPLICATION_ID,
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"flags", G_APPLICATION_NON_UNIQUE,
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nullptr));
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}
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