137 lines
2.9 KiB
C++
137 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 "Win32Input.h"
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#include "Win32Mouse.h"
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namespace sp {
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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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}
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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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Vector2f Win32Mouse::getAbsPosition() const
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{
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return m_abs_position;
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}
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bool Win32Mouse::isButtonDown(Mouse::Button button) const
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{
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int btn;
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switch(button) {
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case Mouse::Left : btn = GetSystemMetrics(SM_SWAPBUTTON) ? VK_RBUTTON : VK_LBUTTON; break;
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case Mouse::Right : btn = GetSystemMetrics(SM_SWAPBUTTON) ? VK_LBUTTON : VK_RBUTTON; break;
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case Mouse::Middle : btn = VK_MBUTTON; break;
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case Mouse::XButton1 : btn = VK_XBUTTON1; break;
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case Mouse::XButton2 : btn = VK_XBUTTON2; break;
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default: btn = 0;
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}
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return ::GetAsyncKeyState(btn) & 0x8000;
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}
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void Win32Mouse::update(InputModule *input)
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{
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HWND handle;
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POINT p;
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// Update absolute position
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GetCursorPos(&p);
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m_abs_position = Vector2f(p.x, p.y);
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// Update relative position
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// Get the active window.
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handle = ::GetActiveWindow();
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if (handle) {
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// Translate position to the active window.
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ScreenToClient(handle, &p);
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m_position = Vector2f(p.x, p.y);
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}
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}
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bool Win32Mouse::handleMessage(MSG msg, Event& event)
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{
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switch(msg.message) {
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case WM_LBUTTONUP :
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case WM_LBUTTONDOWN :
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case WM_RBUTTONUP :
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case WM_RBUTTONDOWN :
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case WM_MBUTTONUP :
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case WM_MBUTTONDOWN :
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case WM_XBUTTONUP :
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case WM_XBUTTONDOWN :
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event.type = Event::MouseButton;
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break;
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}
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switch(msg.message) {
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case WM_LBUTTONUP :
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case WM_LBUTTONDOWN :
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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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return true;
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case WM_RBUTTONUP :
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case WM_RBUTTONDOWN :
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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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return true;
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case WM_MBUTTONUP :
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case WM_MBUTTONDOWN :
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event.mouseButton.button = Mouse::Button::Right;
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event.mouseButton.pressed = msg.message == WM_MBUTTONDOWN;
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return true;
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case WM_XBUTTONUP :
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case WM_XBUTTONDOWN :
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event.mouseButton.button = GET_XBUTTON_WPARAM(msg.wParam) == XBUTTON1
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? Mouse::Button::XButton1 : Mouse::Button::XButton2;
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event.mouseButton.pressed = msg.message == WM_XBUTTONDOWN;
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return true;
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case WM_MOUSEMOVE :
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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)
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|| (y < area.top) || (y > area.bottom) ) {
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return false;
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}
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event.type = Event::MouseMove;
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event.mouseMove.x = x;
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event.mouseMove.y = y;
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return true;
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}
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return false;
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}
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} // namespace sp
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