119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
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#include <Windows.h>
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#include <Spectre/System/Log.h>
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#include <Spectre/Input/InputModule.h>
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#include "Win32MsgBuffer.h"
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#include "Win32Input.h"
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#include "Win32Mouse.h"
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namespace sp {
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static Win32MsgBuffer msg_buf;
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static Vector2f _normalizePos(int x, int y, RECT area)
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{
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Vector2f out;
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out.x = x / ((float) (area.right - area.left));
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out.y = y / ((float) (area.bottom - area.top));
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return out;
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}
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static RECT GetClientArea(HWND hwnd) {
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RECT rect;
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GetClientRect(hwnd, &rect);
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return rect;
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}
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void Win32Mouse::init()
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{
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memset(m_state, 0, Mouse::Button::NUM_MBUTTONS);
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m_tracked = false;
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}
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Vector2f Win32Mouse::getPosition() const
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{
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return m_position;
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}
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bool Win32Mouse::isButtonDown(Mouse::Button button) const
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{
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return m_state[button];
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}
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void Win32Mouse::update(InputModule *input)
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{
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// TODO: Clean this.
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for(int i = 0; i < msg_buf.index; i++) {
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MSG msg = msg_buf.messages[i];
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if (msg.message == WM_LBUTTONDOWN || msg.message == WM_LBUTTONUP) {
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InputEvent event(InputEvent::MouseButton);
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event.mouseButton.button = Mouse::Button::Left;
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event.mouseButton.pressed = msg.message == WM_LBUTTONDOWN;
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m_state[Mouse::Button::Left] = event.mouseButton.pressed;
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input->postInputEvent(event);
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} else if (msg.message == WM_RBUTTONDOWN || msg.message == WM_RBUTTONUP) {
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InputEvent event(InputEvent::MouseButton);
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event.mouseButton.button = Mouse::Button::Right;
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event.mouseButton.pressed = msg.message == WM_RBUTTONDOWN;
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m_state[Mouse::Button::Right] = event.mouseButton.pressed;
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input->postInputEvent(event);
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} else if (msg.message == WM_MBUTTONDOWN || msg.message == WM_MBUTTONUP) {
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InputEvent event(InputEvent::MouseButton);
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event.mouseButton.button = Mouse::Button::Middle;
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event.mouseButton.pressed = msg.message == WM_MBUTTONDOWN;
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m_state[Mouse::Button::Middle] = event.mouseButton.pressed;
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input->postInputEvent(event);
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} else if (msg.message == WM_XBUTTONDOWN || msg.message == WM_XBUTTONUP) {
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int btn = GET_XBUTTON_WPARAM(msg.wParam);
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InputEvent event(InputEvent::MouseButton);
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event.mouseButton.button = btn == XBUTTON1 ? Mouse::Button::Button1 : Mouse::Button::Button2;
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event.mouseButton.pressed = msg.message == WM_XBUTTONDOWN;
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m_state[Mouse::Button::Button1] = event.mouseButton.pressed;
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input->postInputEvent(event);
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} else if (msg.message == WM_MOUSEMOVE) {
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InputEvent event(InputEvent::MousePosition);
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RECT area = GetClientArea(msg.hwnd);
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int x = LOWORD(msg.lParam);
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int y = HIWORD(msg.lParam);
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// Do not forward the message if mouse is outside client area.
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if ((x < area.left) || (x > area.right) || (y < area.top) || (y > area.bottom)) {
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continue;
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}
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event.mouse.x = x;
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event.mouse.y = y;
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input->postInputEvent(event);
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m_position = _normalizePos(x, y, area);
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}
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}
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msg_buf.index = 0;
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}
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bool Win32Mouse::handleMessage(MSG message)
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{
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return msg_buf.postMessage(message);
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}
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} // namespace sp
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