Hi,

Well there was some redundant code. This actually fixes it:

http://git.savannah.nongnu.org/cgit/gsequencer.git/tree/ags/X/file/ags_simple_file.c?h=1.5.x#n1904

Bests,
Joël


On Thu, Jan 25, 2018 at 11:16 PM, Joël Krähemann <jkraehem...@gmail.com> wrote:
> Hi,
> You do some async work? Read about:
>
> g_timeout_add_full();
>
> and
>
> g_main_context_iteration();
>
> You, can callback the to the UI forwarded event. I do something similar
> as reading a file from a different thread:
>
> http://git.savannah.nongnu.org/cgit/gsequencer.git/tree/ags/X/file/ags_simple_file.c?h=1.4.x#n1957
>
> FYI: the UI thread shall run always by gtk_main().
>
> Bests,
> Joël
>
> On Thu, Jan 25, 2018 at 11:10 PM, Alexander Koeppe
> <alexander@koeppe.rocks> wrote:
>> Thanks Lucky,
>>
>> Good idea to create the widget right away and hide it until it's time.
>>
>> However, just by accident, I got back the app-menu in the window.
>>
>> Try this with the code below:
>>
>> 1. After I selected "Restart" simulating the pause and resume, the
>> app-menu disappeared.
>> 2. Then I double-clicked the header-bar to maximise the window and the
>> app-menu reappeared.
>> 3. Again double-clicked the header-bar to restore the original geometry
>> the app-menu is still there.
>>
>> This is what I want. Question is, what happens when I double click the
>> header-bar and can I emulate this event in code?
>>
>> I feel being just 1 grain off my goal....
>>
>> Thanks
>>
>>    -Alex
>>
>>
>> Am 23.01.2018 um 22:37 schrieb Lucky B.C:
>>> Wow, I see your problem is that you did not understand what GtkBuilder
>>> and Gtk are doing, Because If I'm not wrong, each choice (entry) is a
>>> function to start something you want to do after the user/you clicked
>>> to the button called "restart". Here's my solution, it's maybe help
>>> you.
>>>
>>> *) You can use gtk_widget_hide (target) function to hide any widget,
>>> in this case it's the main window. Then you can do your low-level
>>> functions what the other can see at the time after the signal
>>> "clicked" activated.
>>>
>>> Note: Some programs I saw the program did not exit when it's called to
>>> restart, there's only the changed/related data must be reload to
>>> buffer/ram, and the program must stop rendering/running at the time,
>>> after the reloading's done the program continues to render/display the
>>> new data in the screen. The reloading can be done in a new thread too,
>>> after used you can delete it too.
>>>
>>> On Wed, Jan 24, 2018 at 2:52 AM, Alexander Koeppe
>>> <alexander@koeppe.rocks> wrote:
>>>> I know about the possiblity to fire the low-level functions using an button
>>>> callback. However this would draw an exception for other UI choices the
>>>> application has: e.g. text, deamon.
>>>>
>>>> Therefore I'm looking for a way to keep the application structure for all
>>>> UIs the same.
>>>>
>>>> There is the test app I'm playing with:
>>>>
>>>>
>>>> #include <gtk/gtk.h>
>>>>
>>>> GtkApplication *app;
>>>> GtkWidget *window;
>>>> int initialized = 0;
>>>>
>>>> void quit_cb(GSimpleAction *action, GVariant *value, gpointer data)
>>>> {
>>>>    g_print("quit!\n");
>>>>    g_object_unref(app);
>>>>    exit(0);
>>>> }
>>>>
>>>> void restart_cb(GSimpleAction *action, GVariant *value, gpointer data)
>>>> {
>>>>    g_print("restart!\n");
>>>>    g_application_quit(G_APPLICATION(app));
>>>> }
>>>>
>>>> void test_cb(GSimpleAction *action, GVariant *value, gpointer data)
>>>> {
>>>>   GtkWidget *dialog;
>>>>   GtkDialogFlags flags = GTK_DIALOG_DESTROY_WITH_PARENT;
>>>>
>>>>
>>>>   dialog = gtk_message_dialog_new(GTK_WINDOW(window),
>>>>                                   flags,
>>>>                                   GTK_MESSAGE_ERROR,
>>>>                                   GTK_BUTTONS_CLOSE,
>>>>                                   "TEst Message");
>>>>   g_signal_connect_swapped(dialog, "response",
>>>>                            G_CALLBACK(gtk_widget_destroy),
>>>>                            dialog);
>>>>   gtk_dialog_run(GTK_DIALOG(dialog));
>>>> }
>>>>
>>>> static void shutdown(GtkApplication *app, gpointer data)
>>>> {
>>>>    initialized = 1;
>>>> }
>>>>
>>>> static void
>>>> activate (GtkApplication *app,
>>>>           gpointer        user_data)
>>>> {
>>>>   GtkWidget *header, *menubutton, *frame, *overlay, *combo, *box;
>>>>   GtkBuilder *builder;
>>>>
>>>>   GActionEntry actions[] = {
>>>>       {"test_action", test_cb, NULL, NULL, NULL,{}},
>>>>       {"restart", restart_cb, NULL, NULL, NULL, {}},
>>>>       {"quit", quit_cb, NULL, NULL, NULL, {}}
>>>>   };
>>>>
>>>>
>>>>   g_action_map_add_action_entries(G_ACTION_MAP(app), actions,
>>>>       G_N_ELEMENTS(actions), app);
>>>>
>>>>
>>>>
>>>>   if (initialized == 0) {
>>>>      window = gtk_application_window_new (app);
>>>>      gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
>>>>   }
>>>>   else {
>>>>      gtk_application_add_window(app, GTK_WINDOW(window));
>>>>   }
>>>>   gtk_window_set_title (GTK_WINDOW (window), "buildertest");
>>>>
>>>>   /* Header Bar */
>>>>   header = gtk_header_bar_new();
>>>>   gtk_header_bar_set_title(GTK_HEADER_BAR(header), "Yeah");
>>>>   gtk_header_bar_set_show_close_button(GTK_HEADER_BAR(header), TRUE);
>>>>   gtk_window_set_titlebar(GTK_WINDOW(window), header);
>>>>
>>>>   /* Menu Button */
>>>>   menubutton = gtk_menu_button_new();
>>>>
>>>>   /* Menu for Menubutton */
>>>>   builder = gtk_builder_new();
>>>>   gtk_builder_add_from_string(builder,
>>>>          "<interface>"
>>>>          "  <menu id='app-menu'>"
>>>>          "    <section>"
>>>>          "      <item>"
>>>>          "        <attribute name='label'
>>>> translatable='yes'>Restart</attribute>"
>>>>          "        <attribute name='action'>app.restart</attribute>"
>>>>          "      </item>"
>>>>          "      <item>"
>>>>          "        <attribute name='label'
>>>> translatable='yes'>Quit</attribute>"
>>>>          "        <attribute name='action'>app.quit</attribute>"
>>>>          "      </item>"
>>>>          "    </section>"
>>>>          "  </menu>"
>>>>          "  <menu id='test-menu'>"
>>>>          "    <section>"
>>>>          "    <attribute name='label' translatable='yes'>Test</attribute>"
>>>>          "      <item>"
>>>>          "        <attribute name='label' translatable='yes'>Test
>>>> Entry</attribute>"
>>>>          "        <attribute name='action'>app.test_action</attribute>"
>>>>          "        <attribute name='accel'>t</attribute>"
>>>>          "      </item>"
>>>>          "    </section>"
>>>>          "  </menu>"
>>>>          "</interface>", -1, NULL);
>>>>
>>>>   gtk_application_set_app_menu(GTK_APPLICATION(app),
>>>>         G_MENU_MODEL(gtk_builder_get_object(builder, "app-menu")));
>>>>
>>>>   gtk_menu_button_set_menu_model(GTK_MENU_BUTTON(menubutton),
>>>>       G_MENU_MODEL(gtk_builder_get_object(builder, "test-menu")));
>>>>
>>>>   gtk_button_set_image(GTK_BUTTON(menubutton),
>>>>        gtk_image_new_from_icon_name("open-menu-symbolic",
>>>> GTK_ICON_SIZE_MENU));
>>>>   gtk_header_bar_pack_end(GTK_HEADER_BAR(header), menubutton);
>>>>
>>>>   /* content area */
>>>>   if (initialized) {
>>>>      overlay = gtk_bin_get_child(GTK_BIN(window));
>>>>      gtk_container_remove(GTK_CONTAINER(window), overlay);
>>>>   }
>>>>
>>>>   overlay = gtk_overlay_new();
>>>>   gtk_container_add(GTK_CONTAINER(window), overlay);
>>>>
>>>>   frame = gtk_frame_new("Rahmen");
>>>>   gtk_container_add(GTK_CONTAINER(overlay), frame);
>>>>
>>>>   box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
>>>>   gtk_container_add(GTK_CONTAINER(frame), box);
>>>>
>>>>   combo = gtk_combo_box_text_new();
>>>>   gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(combo), "id1", "Entry 1");
>>>>   gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(combo), "id2", "Entry 2");
>>>>   gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
>>>>   gtk_widget_set_hexpand(combo, TRUE);
>>>>
>>>>   gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
>>>>
>>>>
>>>>
>>>>   gtk_widget_show_all(window);
>>>> }
>>>>
>>>> int main(int   argc,
>>>>          char *argv[])
>>>> {
>>>>   app = NULL;
>>>>   int status;
>>>>
>>>>   app = gtk_application_new ("org.gnome.Buildertest",
>>>> G_APPLICATION_FLAGS_NONE);
>>>>   g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
>>>>   g_signal_connect (app, "shutdown", G_CALLBACK(shutdown), NULL);
>>>>   status = g_application_run (G_APPLICATION (app), argc, argv);
>>>>
>>>>   g_print("some things happen here\n");
>>>>
>>>>   g_object_unref(G_OBJECT(app));
>>>>
>>>>   app = gtk_application_new ("org.gnome.Buildertest",
>>>> G_APPLICATION_FLAGS_NONE);
>>>>   g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
>>>>   status = g_application_run (G_APPLICATION (app), argc, argv);
>>>>
>>>>   return status;
>>>> }
>>>>
>>>>
>>>> Am 22.01.2018 um 22:09 schrieb Lucky B.C:
>>>>
>>>> Hi, can you show your demo about the way you did? But I think you should
>>>> keep the gtk_main() runs, because you can run your low-level functions by
>>>> "clicked" signal on button.
>>>>
>>>> On Jan 23, 2018 03:44, "Alexander Koeppe" <alexander@koeppe.rocks> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have an application where some things need to be setup in the UI, then
>>>> some low-level routines to be executed using the setup values and then
>>>> resuming the UI loop for further operation.
>>>>
>>>> Since I'm migrating the GTK code from GTK2/3 compatible to GNOME/GTK3, I
>>>> make use of g_application_run().
>>>>
>>>> However, I find no simialar way to interrupt the loop (e.g.
>>>> gtk_main_quit()) and resuming the UI later (gtk_main()).
>>>>
>>>> The only way I found yet is to quit the application using
>>>> g_application_quit() but keep the window widget, clearing the
>>>> application (g_object_unref()) and creating a new application after
>>>> executing the low-level routines and finally adding the still existing
>>>> window widget to this new application using
>>>> gtk_application_add_window(). This way I can reuse the window and avoid
>>>> any flickering which is the required effect.
>>>>
>>>> The only caveat is, the added window is not considered being the primary
>>>> instance of the second application, hence the app-menu isn't displayed.
>>>>
>>>> Is there any way to define a window added being the primary instance of
>>>> the application or to show the app-menu (set using
>>>> gtk_application_set_app_menu()) in such an non-primary window, or even a
>>>> complete different approach?
>>>>
>>>>
>>>> Thanks and regards
>>>>
>>>> - Alex
>>>>
>>>>
>>>> _______________________________________________
>>>> gtk-app-devel-list mailing list
>>>> gtk-app-devel-list@gnome.org
>>>> https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
>>>>
>>>>
>>>>
>>
>>
>> _______________________________________________
>> gtk-app-devel-list mailing list
>> gtk-app-devel-list@gnome.org
>> https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
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