c - gtk_window_set_default_size doesn't work -


i have code:

#define false false #define true true #include <gtk/gtk.h>  int main( int argc, char *argv[]){     gtkwidget *window;      gtk_init(&argc, &argv);      window = gtk_window_new(gtk_window_toplevel);      gtk_window_set_title(gtk_window(window), "window");      gtk_window_set_default_size(gtk_window(window), 230, 150);     gtk_window_set_resizable(gtk_window(window), false);      gtk_window_set_position(gtk_window(window), gtk_win_pos_center);      g_signal_connect(g_object(window), "destroy", g_callback(gtk_main_quit), 0);      gtk_widget_show(window);      gtk_main();      return 0; }

when compile code line below , run it, window ends being 1x1px

gcc src/main.c -o test -wall -o2 `pkg-config --libs --cflags gtk+-3.0`

if remove gtk_window_set_resizable line, starts working again.

why happen? missing something?

so reading this question's answer, learned gtk_window_set_default_size doesn't work, replaced gtk_window_set_default_size instead:

gdkgeometry windowproperties; windowproperties.min_width = 230; windowproperties.min_height = 150; gtk_window_set_geometry_hints(gtk_window(window), null, &windowproperties, gdk_hint_min_size);

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