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keyboard.hpp
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#pragma once
//=====================================================================//
/*! @file
@brief 鍵盤 クラス
@author 平松邦仁 (hira@rvf-rc45.net)
@copyright Copyright (C) 2021 Kunihito Hiramatsu @n
Released under the MIT license @n
https://github.com/hirakuni45/RX/blob/master/LICENSE
*/
//=====================================================================//
#include <array>
#include "graphics/graphics.hpp"
namespace synth {
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
/*!
@brief SYNTH 描画クラス
@param[in] RENDER 描画クラス
@param[in] TOUCH タッチ・クラス
*/
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
template <class RENDER, class TOUCH>
class keyboard {
public:
enum class key : uint8_t {
C1,
C1s,
D1,
D1s,
E1,
F1,
F1s,
G1,
G1s,
A1,
A1s,
B1,
C2,
C2s,
D2,
D2s,
E2,
F2,
F2s,
G2,
G2s,
A2,
A2s,
B2,
};
struct key_t {
vtx::srect rect_;
key key_;
bool sharp_;
bool draw_;
bool back_;
bool level_;
bool positive_;
bool negative_;
constexpr key_t(const vtx::srect& rect = vtx::srect(0), key k = key::C) noexcept :
rect_(rect), key_(k),
draw_(false),
back_(false), level_(false), positive_(false), negative_(false)
{ }
bool is_sharp() const noexcept
{
auto n = static_cast<uint8_t>(key_);
auto m = n % 12;
if(m == 1 || m == 3 || m == 6 || m == 8 || m == 10) {
return true;
} else {
return false;
}
}
};
private:
RENDER& render_;
TOUCH& touch_;
typedef graphics::def_color DEF_COLOR;
static constexpr int16_t KEY_W_WIDTH = 40;
static constexpr int16_t KEY_W_HEIGHT = 180;
static constexpr int16_t KEY_B_WIDTH = 32;
static constexpr int16_t KEY_B_HEIGHT = 110;
static constexpr int16_t KEY_POS_X = 0;
static constexpr int16_t KEY_POS_Y = 272 - KEY_W_HEIGHT;
static constexpr int16_t KEY_SPACE = 3;
typedef std::array<key_t, 21> KEYS;
KEYS keys_;
bool enable_;
void draw_key_(const key_t& t)
{
auto r = t.rect_;
r.size.x -= KEY_SPACE;
if(t.level_) {
if(t.is_sharp()) {
render_.set_fore_color(DEF_COLOR::Gray);
render_.round_box(r, 8, false, true);
} else {
render_.set_fore_color(DEF_COLOR::Silver);
render_.fill_box(r);
}
} else {
if(t.is_sharp()) {
render_.set_fore_color(DEF_COLOR::Black);
render_.round_box(r, 8, false, true);
} else {
render_.set_fore_color(DEF_COLOR::White);
render_.fill_box(r);
}
}
}
public:
//-----------------------------------------------------------------//
/*!
@brief コンストラクタ
@param[in] render 描画クラス
@param[in] touch タッチ・クラス
*/
//-----------------------------------------------------------------//
keyboard(RENDER& render, TOUCH& touch) noexcept :
render_(render), touch_(touch),
keys_{
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 0), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::C1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 0) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::C1s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 1), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::D1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 1) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::D1s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 2), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::E1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 3), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::F1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 3) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::F1s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 4), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::G1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 4) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::G1s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 5), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::A1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 5) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::A1s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 6), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::B1),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 7), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::C2),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 7) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::C2s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 8), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::D2),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 8) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::D2s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 9), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::E2),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 10), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::F2),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 10) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::F2s),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 11), KEY_POS_Y, KEY_W_WIDTH, KEY_W_HEIGHT), key::G2),
key_t(vtx::srect(KEY_POS_X + (KEY_W_WIDTH * 11) + 20, KEY_POS_Y, KEY_B_WIDTH, KEY_B_HEIGHT), key::G2s),
},
enable_(true)
{ }
//-----------------------------------------------------------------//
/*!
@brief 開始
*/
//-----------------------------------------------------------------//
void start() noexcept
{
for(auto& t : keys_) {
t.draw_ = true;
}
}
//-----------------------------------------------------------------//
/*!
@brief 表示許可
@param[in] ena 不許可の場合「false」
*/
//-----------------------------------------------------------------//
void enable(bool ena = true) noexcept
{
if(!enable_ && ena) {
for(auto& t : keys_) {
t.draw_ = true;
}
}
enable_ = ena;
}
//-----------------------------------------------------------------//
/*!
@brief 更新 @n
※毎フレーム呼ぶ
*/
//-----------------------------------------------------------------//
void update() noexcept
{
if(!enable_) {
return;
}
for(auto& t : keys_) {
t.back_ = t.level_;
t.level_ = false;
}
auto num = touch_.get_touch_num();
for(uint32_t i = 0; i < num; ++i) {
const auto& ts = touch_.get_touch_pos(i);
bool on = false;
for(auto& t : keys_) {
auto rect = t.rect_;
rect.size.x -= KEY_SPACE;
if(t.is_sharp()) {
if(rect.is_focus(ts.pos)) {
t.level_ = true;
on = true;
break;
}
}
}
if(on) continue;
for(auto& t : keys_) {
auto rect = t.rect_;
rect.size.x -= KEY_SPACE;
if(!t.is_sharp()) {
if(rect.is_focus(ts.pos)) {
t.level_ = true;
}
}
}
}
for(auto& t : keys_) {
t.positive_ = (!t.back_ && t.level_);
t.negative_ = ( t.back_ && !t.level_);
if(t.positive_ || t.negative_) {
t.draw_ = true;
}
if(t.draw_) {
draw_key_(t);
}
}
for(auto& t : keys_) {
if(t.draw_) {
auto n = static_cast<uint32_t>(t.key_);
switch(n % 12) {
case 0:
draw_key_(keys_[n + 1]);
break;
case 2:
draw_key_(keys_[n - 1]);
draw_key_(keys_[n + 1]);
break;
case 4:
draw_key_(keys_[n - 1]);
break;
case 5:
draw_key_(keys_[n + 1]);
break;
case 7:
draw_key_(keys_[n - 1]);
draw_key_(keys_[n + 1]);
break;
case 9:
draw_key_(keys_[n - 1]);
draw_key_(keys_[n + 1]);
break;
case 11:
draw_key_(keys_[n - 1]);
break;
default:
break;
}
t.draw_ = false;
}
}
}
//-----------------------------------------------------------------//
/*!
@brief キーボードの状態を返す
@param[in] key キーコード
@return キーボードの状態
*/
//-----------------------------------------------------------------//
const auto& get(key k) const noexcept { return keys_[static_cast<uint8_t>(k)]; }
};
}