ladybird/LibGUI/GApplication.cpp
2019-06-07 11:46:02 +02:00

113 lines
2.9 KiB
C++

#include <LibGUI/GAction.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GEventLoop.h>
#include <LibGUI/GLabel.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GWindow.h>
#include <WindowServer/WSAPITypes.h>
static GApplication* s_the;
GApplication& GApplication::the()
{
ASSERT(s_the);
return *s_the;
}
GApplication::GApplication(int argc, char** argv)
{
(void)argc;
(void)argv;
ASSERT(!s_the);
s_the = this;
m_event_loop = make<GEventLoop>();
}
GApplication::~GApplication()
{
s_the = nullptr;
}
int GApplication::exec()
{
int exit_code = m_event_loop->exec();
// NOTE: Maybe it would be cool to return instead of exit()?
// This would require cleaning up all the CObjects on the heap.
exit(exit_code);
return exit_code;
}
void GApplication::quit(int exit_code)
{
m_event_loop->quit(exit_code);
}
void GApplication::set_menubar(OwnPtr<GMenuBar>&& menubar)
{
if (m_menubar)
m_menubar->notify_removed_from_application({});
m_menubar = move(menubar);
if (m_menubar)
m_menubar->notify_added_to_application({});
}
void GApplication::register_global_shortcut_action(Badge<GAction>, GAction& action)
{
m_global_shortcut_actions.set(action.shortcut(), &action);
}
void GApplication::unregister_global_shortcut_action(Badge<GAction>, GAction& action)
{
m_global_shortcut_actions.remove(action.shortcut());
}
GAction* GApplication::action_for_key_event(const GKeyEvent& event)
{
auto it = m_global_shortcut_actions.find(GShortcut(event.modifiers(), (KeyCode)event.key()));
if (it == m_global_shortcut_actions.end())
return nullptr;
return (*it).value;
}
class GApplication::TooltipWindow final : public GWindow {
public:
TooltipWindow()
{
set_window_type(GWindowType::Tooltip);
m_label = new GLabel;
m_label->set_background_color(Color::from_rgb(0xdac7b5));
m_label->set_fill_with_background_color(true);
m_label->set_frame_thickness(1);
m_label->set_frame_shape(FrameShape::Container);
m_label->set_frame_shadow(FrameShadow::Plain);
set_main_widget(m_label);
}
void set_tooltip(const StringView& tooltip)
{
// FIXME: Add some kind of GLabel auto-sizing feature.
int text_width = m_label->font().width(tooltip);
set_rect(100, 100, text_width + 10, m_label->font().glyph_height() + 8);
m_label->set_text(tooltip);
}
GLabel* m_label { nullptr };
};
void GApplication::show_tooltip(const StringView& tooltip, const Point& screen_location)
{
if (!m_tooltip_window) {
m_tooltip_window = new TooltipWindow;
m_tooltip_window->set_double_buffering_enabled(false);
}
m_tooltip_window->set_tooltip(tooltip);
m_tooltip_window->move_to(screen_location);
m_tooltip_window->show();
}
void GApplication::hide_tooltip()
{
if (m_tooltip_window)
m_tooltip_window->hide();
}