src/ui/dialog-run.cpp

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #include <optional>
   4
   5 #include <glibmm/main.h>
   6 #include <gtkmm/dialog.h>
   7 #include <gtkmm/window.h>
   8
   9 #include "dialog-run.h"
  10
  11 namespace Inkscape::UI {
  12
  13 int dialog_run(Gtk::Dialog &dialog)
  14 {
  15     std::optional<int> result;
  16
  17     auto response_conn = dialog.signal_response().connect([&] (int response) {
  18         result = response;
  19     });
  20
  21     auto hide_conn = dialog.signal_hide().connect([&] {
  22         result = Gtk::ResponseType::NONE;
  23     });
  24
  25     dialog.set_modal();
  26     dialog.set_visible(true);
  27
  28     auto main_context = Glib::MainContext::get_default();
  29     while (!result) {
  30         main_context->iteration(true);
  31     }
  32
  33     response_conn.disconnect();
  34     hide_conn.disconnect();
  35
  36     dialog.set_visible(false);
  37
  38     return *result;
  39 }
  40
  41 void dialog_show_modal_and_selfdestruct(std::unique_ptr<Gtk::Dialog> dialog, Gtk::Root *root)
  42 {
  43     if (auto const window = dynamic_cast<Gtk::Window *>(root)) {
  44         dialog->set_transient_for(*window);
  45     }
  46     dialog->set_modal();
  47     dialog->signal_response().connect([d = dialog.get()] (auto) { delete d; });
  48     dialog->set_visible(true);
  49     dialog.release(); // deleted by signal_response handler
  50 }
  51
  52 } // namespace Inkscape::UI