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#include <LibDraw/CharacterBitmap.h>
#include <LibDraw/Painter.h>
#include <LibDraw/StylePainter.h>
#include <WindowServer/WSButton.h>
#include <WindowServer/WSEvent.h>
#include <WindowServer/WSWindowManager.h>
WSButton::WSButton(WSWindowFrame& frame, NonnullRefPtr<CharacterBitmap>&& bitmap, Function<void(WSButton&)>&& on_click_handler)
: on_click(move(on_click_handler))
, m_frame(frame)
, m_bitmap(move(bitmap))
{
}
WSButton::~WSButton()
{
}
void WSButton::paint(Painter& painter)
{
auto& palette = WSWindowManager::the().palette();
PainterStateSaver saver(painter);
painter.translate(relative_rect().location());
StylePainter::paint_button(painter, rect(), palette, ButtonStyle::Normal, m_pressed, m_hovered);
auto x_location = rect().center();
x_location.move_by(-(m_bitmap->width() / 2), -(m_bitmap->height() / 2));
if (m_pressed)
x_location.move_by(1, 1);
painter.draw_bitmap(x_location, *m_bitmap, palette.button_text());
}
void WSButton::on_mouse_event(const WSMouseEvent& event)
{
auto& wm = WSWindowManager::the();
if (event.type() == WSEvent::MouseDown && event.button() == MouseButton::Left) {
m_pressed = true;
wm.set_cursor_tracking_button(this);
wm.invalidate(screen_rect());
return;
}
if (event.type() == WSEvent::MouseUp && event.button() == MouseButton::Left) {
if (wm.cursor_tracking_button() != this)
return;
wm.set_cursor_tracking_button(nullptr);
bool old_pressed = m_pressed;
m_pressed = false;
if (rect().contains(event.position())) {
if (on_click)
on_click(*this);
}
if (old_pressed != m_pressed)
wm.invalidate(screen_rect());
return;
}
if (event.type() == WSEvent::MouseMove) {
bool old_hovered = m_hovered;
m_hovered = rect().contains(event.position());
wm.set_hovered_button(m_hovered ? this : nullptr);
if (old_hovered != m_hovered)
wm.invalidate(screen_rect());
}
if (event.type() == WSEvent::MouseMove && event.buttons() & (unsigned)MouseButton::Left) {
if (wm.cursor_tracking_button() != this)
return;
bool old_pressed = m_pressed;
m_pressed = m_hovered;
if (old_pressed != m_pressed)
wm.invalidate(screen_rect());
}
}
Rect WSButton::screen_rect() const
{
return m_relative_rect.translated(m_frame.rect().location());
}
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