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Win32: Clean up RDP hidden cursor workaround

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This commit is contained in:
Camilla Löwy 2024-02-07 00:31:19 +01:00
parent 6c1e3fd84c
commit 275b92f887
2 changed files with 26 additions and 16 deletions
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2
src/win32_platform.h
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@ -460,7 +460,7 @@ typedef struct _GLFWlibraryWin32
UINT mouseTrailSize;
// Indicate if the process was started behind Remote Destop
BOOL isRemoteSession;
// An invisible cursor, needed for special cases (see WM_INPUT handler)
// The cursor handle to use to hide the cursor (NULL or a transparent cursor)
HCURSOR blankCursor;
struct {

38
src/win32_window.c
View File

@ -232,10 +232,12 @@ static void updateCursorImage(_GLFWwindow* window)
SetCursor(LoadCursorW(NULL, IDC_ARROW));
}
else
//Connected via Remote Desktop, NULL cursor will present SetCursorPos the move the cursor.
//using a blank cursor fix that.
//When not via Remote Desktop, win32.blankCursor should be NULL
{
// NOTE: Via Remote Desktop, setting the cursor to NULL does not hide it.
// HACK: When running locally, it is set to NULL, but when connected via Remote
// Desktop, this is a transparent cursor.
SetCursor(_glfw.win32.blankCursor);
}
}
// Sets the cursor clip rect to the window content area
@ -900,8 +902,6 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
HRAWINPUT ri = (HRAWINPUT) lParam;
RAWINPUT* data = NULL;
int dx, dy;
int width, height;
POINT pos;
if (_glfw.win32.disabledCursorWindow != window)
break;
@ -931,15 +931,26 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
{
if (_glfw.win32.isRemoteSession)
{
//Remote Desktop Mode...
// As per https://github.com/Microsoft/DirectXTK/commit/ef56b63f3739381e451f7a5a5bd2c9779d2a7555
// MOUSE_MOVE_ABSOLUTE is a range from 0 through 65535, based on the screen size.
// As far as I can tell, absolute mode only occurs over RDP though.
width = GetSystemMetrics((data->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP) ? SM_CXVIRTUALSCREEN : SM_CXSCREEN);
height = GetSystemMetrics((data->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP) ? SM_CYVIRTUALSCREEN : SM_CYSCREEN);
// NOTE: According to DirectXTK, when running via Remote Desktop, raw
// mouse motion is provided as MOUSE_MOVE_ABSOLUTE and
// MOUSE_VIRTUAL_DESKTOP.
pos.x = (int)((data->data.mouse.lLastX / 65535.0f) * width);
pos.y = (int)((data->data.mouse.lLastY / 65535.0f) * height);
int width, height;
if (data->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP)
{
width = GetSystemMetrics(SM_CXVIRTUALSCREEN);
height = GetSystemMetrics(SM_CYVIRTUALSCREEN);
}
else
{
width = GetSystemMetrics(SM_CXSCREEN);
height = GetSystemMetrics(SM_CYSCREEN);
}
POINT pos;
pos.x = (int) ((data->data.mouse.lLastX / 65535.f) * width);
pos.y = (int) ((data->data.mouse.lLastY / 65535.f) * height);
ScreenToClient(window->win32.handle, &pos);
dx = pos.x - window->win32.lastCursorPosX;
@ -947,7 +958,6 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
}
else
{
//Normal mode... We should have the right absolute coords in data.mouse
dx = data->data.mouse.lLastX - window->win32.lastCursorPosX;
dy = data->data.mouse.lLastY - window->win32.lastCursorPosY;
}