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