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AnalogClock: New analog clock application (#6760)

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Erlend 2021-05-09 15:51:36 +02:00 • committed by GitHub
parent c53e937014
commit 4c43fc0515
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48
Userland/Applications/AnalogClock/AnalogClock.h Normal file
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/*
* Copyright (c) 2021, Erlend Høier <Erlend@ReasonablePanic.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
class AnalogClock : public GUI::Widget {
C_OBJECT(AnalogClock)
public:
~AnalogClock() override = default;
private:
AnalogClock()
: m_small_graduation_square(Gfx::IntRect({}, { 3, 3 }))
, m_big_graduation_square(Gfx::IntRect({}, { 5, 5 }))
{
start_timer(1000);
}
unsigned m_clock_face_radius { 70 };
Gfx::IntRect m_small_graduation_square;
Gfx::IntRect m_big_graduation_square;
unsigned m_minute_hand_length { 58 };
unsigned m_hour_hand_length { 42 };
double m_hand_tail_length { 22 };
double m_hand_wing_span { 5 };
protected:
void paint_event(GUI::PaintEvent&) override;
void draw_face(GUI::Painter&);
void draw_mirrored_graduations(GUI::Painter&, Gfx::IntRect&, int x, int y, int rect_center_offset);
void draw_graduations(GUI::Painter&, Gfx::IntRect&, int x, int y);
void draw_hand(GUI::Painter&, double angle, double length, Gfx::Color hand_color);
void draw_seconds_hand(GUI::Painter&, double angle);
void update_title_date();
void timer_event(Core::TimerEvent&) override
{
update();
}
};