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Don't break windows 2000

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UnknownShadow200 2019-05-12 22:54:47 +10:00
parent 696c86cf5c
commit 0f862553ac
1 changed files with 24 additions and 11 deletions
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35
src/Window.c
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@ -115,7 +115,12 @@ void GraphicsMode_MakeDefault(struct GraphicsMode* m) {
#define WM_XBUTTONDOWN 0x020B
#define WM_XBUTTONUP 0x020C
#endif
static bool rawMouseInited, rawMouseEnabled;
static bool rawMouseInited, rawMouseEnabled, rawMouseSupported;
typedef BOOL (WINAPI *FUNC_RegisterRawInput)(PCRAWINPUTDEVICE devices, UINT numDevices, UINT size);
static FUNC_RegisterRawInput _registerRawInput;
typedef UINT (WINAPI *FUNC_GetRawInputData)(HRAWINPUT hRawInput, UINT cmd, void* data, UINT* size, UINT headerSize);
static FUNC_GetRawInputData _getRawInputData;
static HINSTANCE win_instance;
static HWND win_handle;
@ -334,11 +339,11 @@ static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wPara
case WM_INPUT:
{
RAWINPUT raw;
UINT rawSize = sizeof(RAWINPUT);
UINT ret, rawSize = sizeof(RAWINPUT);
int dx, dy;
GetRawInputData((HRAWINPUT)lParam, RID_INPUT, &raw, &rawSize, sizeof(RAWINPUTHEADER));
if (raw.header.dwType != RIM_TYPEMOUSE) break;
ret = _getRawInputData((HRAWINPUT)lParam, RID_INPUT, &raw, &rawSize, sizeof(RAWINPUTHEADER));
if (ret == -1 || raw.header.dwType != RIM_TYPEMOUSE) break;
if (raw.data.mouse.usFlags == MOUSE_MOVE_RELATIVE) {
dx = raw.data.mouse.lLastX;
@ -683,19 +688,27 @@ void Window_DrawRaw(Rect2D r) {
SelectObject(draw_DC, oldSrc);
}
void Window_EnableRawMouse(void) {
static void Window_InitRawMouse(void) {
RAWINPUTDEVICE rid;
rawMouseEnabled = true;
Window_DefaultEnableRawMouse();
_registerRawInput = (FUNC_RegisterRawInput)DynamicLib_GetFrom("USER32.DLL", "RegisterRawInputDevices");
_getRawInputData = (FUNC_GetRawInputData)DynamicLib_GetFrom("USER32.DLL", "GetRawInputData");
rawMouseSupported = _registerRawInput && _getRawInputData;
if (!rawMouseSupported) { Platform_LogConst("Raw input unsupported!"); return; }
if (rawMouseInited) return;
rawMouseInited = true;
rid.usUsagePage = 1; /* HID_USAGE_PAGE_GENERIC; */
rid.usUsage = 2; /* HID_USAGE_GENERIC_MOUSE; */
rid.dwFlags = RIDEV_INPUTSINK;
rid.hwndTarget = win_handle;
RegisterRawInputDevices(&rid, 1, sizeof(rid));
if (!_registerRawInput(&rid, 1, sizeof(rid))) Logger_Abort2(GetLastError(), "Failed to init raw mouse");
}
void Window_EnableRawMouse(void) {
rawMouseEnabled = true;
Window_DefaultEnableRawMouse();
if (!rawMouseInited) Window_InitRawMouse();
rawMouseInited = true;
}
void Window_UpdateRawMouse(void) { Window_CentreMousePosition(); }