dialog-run.cpp

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// SPDX-License-Identifier: GPL-2.0-or-later
 
#include <optional>
 
#include <glibmm/main.h>
#include <gtkmm/dialog.h>
#include <gtkmm/window.h>
 
#include "dialog-run.h"
 
namespace Inkscape::UI {
 
int dialog_run(Gtk::Dialog &dialog)
{
    std::optional<int> result;
 
    auto response_conn = dialog.signal_response().connect([&] (int response) {
        result = response;
    });
 
    auto hide_conn = dialog.signal_hide().connect([&] {
        result = Gtk::ResponseType::NONE;
    });
 
    dialog.set_modal();
    dialog.set_visible(true);
 
    auto main_context = Glib::MainContext::get_default();
    while (!result) {
        main_context->iteration(true);
    }
 
    response_conn.disconnect();
    hide_conn.disconnect();
 
    dialog.set_visible(false);
 
    return *result;
}
 
void dialog_show_modal_and_selfdestruct(std::unique_ptr<Gtk::Dialog> dialog, Gtk::Root *root)
{
    if (auto const window = dynamic_cast<Gtk::Window *>(root)) {
        dialog->set_transient_for(*window);
    }
    dialog->set_modal();
    dialog->signal_response().connect([d = dialog.get()] (auto) { delete d; });
    dialog->set_visible(true);
    dialog.release(); // deleted by signal_response handler
}
 
} // namespace Inkscape::UI