get_window()->set_events(Gdk::EventMask::BUTTON_PRESS_MASK); or add_events(Gdk::EventMask::BUTTON_PRESS_MASK);
If you want to receive button press events, then set the button press mask. If you want to receive button motion events, then set a button motion mask.
It's usually better to use Gtk::Widget::add_events() instead of Gdk::Window::set_events() or Gtk::Widget::set_events().
If you don't want other handlers to receive the event, then it's correct to let draw_get_mouse() return true.
On 2019-02-28 20:39, Радомир Хаџић wrote:
I did what you said but it didn't work for me. I changed signal_button_press_event().connect(sigc::mem_fun(*this, &DrawingArea::draw_get_mouse)); to signal_button_press_event().connect(sigc::mem_fun(*this, &DrawingArea::draw_get_mouse), false); but nothing changed. I also tried changed return value of draw_get_mouse to false even though I don't want to propagate that signal to other handlers. I'm also sending modified code, which is also available here: https://pastebin.com/Dr3Av2vJ.
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