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menu_view: make root-widget size configurable

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The config attributes 'width' and 'height' allow one to explicly specify
the menu-view's size instead of using the min size.
This commit is contained in:
Norman Feske 2018-05-27 17:47:58 +02:00 committed by Christian Helmuth
parent d65a2c7cab
commit 64810bb138
1 changed files with 18 additions and 3 deletions
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21
repos/gems/src/app/menu_view/main.cc
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@ -45,6 +45,15 @@ struct Menu_view::Main
Point _position;
Area _configured_size;
Area _root_widget_size() const
{
Area const min_size = _root_widget.min_size();
return Area(max(_configured_size.w(), min_size.w()),
max(_configured_size.h(), min_size.h()));
}
Rect _view_geometry;
void _update_view()
@ -182,7 +191,12 @@ struct Menu_view::Main
void Menu_view::Main::_handle_dialog_update()
{
try {
_position = Decorator::point_attribute(_config.xml());
Xml_node const config = _config.xml();
_position = Decorator::point_attribute(config);
_configured_size = Area(config.attribute_value("width", 0UL),
config.attribute_value("height", 0UL));
} catch (...) { }
_dialog_rom.update();
@ -191,7 +205,8 @@ void Menu_view::Main::_handle_dialog_update()
Xml_node dialog_xml(_dialog_rom.local_addr<char>());
_root_widget.update(dialog_xml);
_root_widget.size(_root_widget.min_size());
_root_widget.size(_root_widget_size());
} catch (...) {
Genode::error("failed to construct widget tree");
}
@ -291,7 +306,7 @@ void Menu_view::Main::_handle_frame_timer()
_frame_cnt = 0;
Area const old_size = _buffer.constructed() ? _buffer->size() : Area();
Area const size = _root_widget.min_size();
Area const size = _root_widget_size();
if (!_buffer.constructed() || size.w() > old_size.w() || size.h() > old_size.h())
_buffer.construct(_nitpicker, size, _env.ram(), _env.rm());