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suyu/src/common/key_map.cpp

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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
#include <map>
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#include "common/emu_window.h"
#include "common/key_map.h"
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namespace KeyMap {
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// TODO (wwylele): currently we treat c-stick as four direction buttons
// and map it directly to EmuWindow::ButtonPressed.
// It should go the analog input way like circle pad does.
const std::array<KeyTarget, Settings::NativeInput::NUM_INPUTS> mapping_targets = {{
Service::HID::PAD_A, Service::HID::PAD_B, Service::HID::PAD_X, Service::HID::PAD_Y,
Service::HID::PAD_L, Service::HID::PAD_R, Service::HID::PAD_ZL, Service::HID::PAD_ZR,
Service::HID::PAD_START, Service::HID::PAD_SELECT, Service::HID::PAD_NONE,
Service::HID::PAD_UP, Service::HID::PAD_DOWN, Service::HID::PAD_LEFT, Service::HID::PAD_RIGHT,
Service::HID::PAD_C_UP, Service::HID::PAD_C_DOWN, Service::HID::PAD_C_LEFT, Service::HID::PAD_C_RIGHT,
IndirectTarget::CIRCLE_PAD_UP,
IndirectTarget::CIRCLE_PAD_DOWN,
IndirectTarget::CIRCLE_PAD_LEFT,
IndirectTarget::CIRCLE_PAD_RIGHT,
}};
static std::map<HostDeviceKey, KeyTarget> key_map;
static int next_device_id = 0;
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static bool circle_pad_up = false, circle_pad_down = false, circle_pad_left = false, circle_pad_right = false;
static void UpdateCirclePad(EmuWindow& emu_window) {
constexpr float SQRT_HALF = 0.707106781;
int x = 0, y = 0;
if (circle_pad_right)
++x;
if (circle_pad_left)
--x;
if (circle_pad_up)
++y;
if (circle_pad_down)
--y;
// TODO: apply modifier here
emu_window.CirclePadUpdated(x * (y == 0 ? 1.0 : SQRT_HALF), y * (x == 0 ? 1.0 : SQRT_HALF));
}
int NewDeviceId() {
return next_device_id++;
}
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void SetKeyMapping(HostDeviceKey key, KeyTarget target) {
key_map[key] = target;
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}
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void ClearKeyMapping(int device_id) {
auto iter = key_map.begin();
while (iter != key_map.end()) {
if (iter->first.device_id == device_id)
key_map.erase(iter++);
else
++iter;
}
}
void PressKey(EmuWindow& emu_window, HostDeviceKey key) {
auto target = key_map.find(key);
if (target == key_map.end())
return;
if (target->second.direct) {
emu_window.ButtonPressed({{target->second.target.direct_target_hex}});
} else {
switch (target->second.target.indirect_target) {
case IndirectTarget::CIRCLE_PAD_UP:
circle_pad_up = true;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_DOWN:
circle_pad_down = true;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_LEFT:
circle_pad_left = true;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_RIGHT:
circle_pad_right = true;
UpdateCirclePad(emu_window);
break;
}
}
}
void ReleaseKey(EmuWindow& emu_window,HostDeviceKey key) {
auto target = key_map.find(key);
if (target == key_map.end())
return;
if (target->second.direct) {
emu_window.ButtonReleased({{target->second.target.direct_target_hex}});
} else {
switch (target->second.target.indirect_target) {
case IndirectTarget::CIRCLE_PAD_UP:
circle_pad_up = false;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_DOWN:
circle_pad_down = false;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_LEFT:
circle_pad_left = false;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_RIGHT:
circle_pad_right = false;
UpdateCirclePad(emu_window);
break;
}
}
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}
}