Hi Folks Just to let you know that I found the solution. You just need to set the skip taskbar window hint:
GtkWidget *window = gtk_application_window_new (GTK_APPLICATION (app)); gtk_window_set_skip_taskbar_hint (GTK_WINDOW (state->window), TRUE); This will cause the window to not be picked up by the gnome-shell windowAttentionHandler: https://github.com/GNOME/gnome-shell/blob/1af65c616ad381c4809f3c2120b0c0ce5a0676e0/js/ui/windowAttentionHandler.js#L33 Quite a beginner's mistake if you ask me :-) Cheers, Eduardo On Mon, Nov 6, 2017 at 11:41 PM, Eduardo Nascimento <rebel...@gmail.com> wrote: > Hi Folks > > TL;DR: > I'm using the GtkApplication "activate" signal to display a window. > However sometimes the "window is ready" notification appears instead. See > example code at the bottom of this email. Could you please let me know what > am I missing? > > Long version: > > I'm new to gtk+ and as my first real application I'm coding a guake like > terminal. I'm using GtkApplication where the terminal window is created > inside the "startup" callback and later shown by the "activate" callback. > > This way my user can create a keyboard shortcut (F12 for example) that > launches the application. If another instance of the application is already > running the terminal window is toggled (hide/show) by the "activate" > callback. > > However after launching the application a couple of times to hide/show the > window the gnome "window is ready" notification is shown instead. Looks > like DBus got confused or (most likely) I'm doing something terribly wrong. > > I noticed that if I change the window hint to > GDK_WINDOW_TYPE_HINT_SPLASHSCREEN > (commented in the code below) it solves the problem but this is just a > workaround and I want to understand what is really happening. > > Below you can see a short code example in case you want to try it for > yourself. Just run the application multiple times to see the window hide > and show until the "window is ready" notification is displayed. > > Example code: > > /* > * Compile: gcc toggle_window.c -o toggle_window `pkg-config --cflags > --libs gtk+-3.0` > */ > #include <gtk/gtk.h> > > typedef struct app_state { > GtkWidget *window; > gboolean window_is_visible; > } app_state; > > static void startup (GApplication *app, gpointer data) > { > app_state *state = (app_state *) data; > state->window = gtk_application_window_new (GTK_APPLICATION (app)); > state->window_is_visible = FALSE; > /* gtk_window_set_type_hint (GTK_WINDOW (state->window), > GDK_WINDOW_TYPE_HINT_SPLASHSCREEN); */ > } > > static void activate (GApplication *app, gpointer data) > { > app_state *state = (app_state *) data; > > /* Toggle window visibility */ > if (state->window_is_visible) { > gtk_widget_hide (state->window); > state->window_is_visible = FALSE; > } else { > gtk_window_present (GTK_WINDOW (state->window)); > state->window_is_visible = TRUE; > } > } > > int main (int argc, char **argv) > { > GtkApplication *app = gtk_application_new ("org.example.toggle.window", > G_APPLICATION_FLAGS_NONE); > app_state state = {0}; > g_signal_connect (app, "startup", G_CALLBACK (startup), &state); > g_signal_connect (app, "activate", G_CALLBACK (activate), &state); > return g_application_run (G_APPLICATION (app), argc, argv); > } > > > Many thanks, > Eduardo > > >
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