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Re: Using Pen with U++ [message #56436 is a reply to message #56435] Thu, 11 March 2021 16:26 Go to previous messageGo to previous message
Tom1
Messages: 1319
Registered: March 2007
Ultimate Contributor
Hi,

This change fixes some tails when drawing fast. (This actually brings in your original 'ignoreclick' code and more.)

	static bool disableOldWMs=false; // When true, blocks out original WM_MOUSEMOVE, WM_LBUTTONUP, WM_LBUTTONDOWN
		
	switch(message) {
	case WM_POINTERDOWN:
	case WM_POINTERUPDATE:
	case WM_POINTERUP:
		{

			POINT p = Point((LONG)lParam);
			ScreenToClient(hwnd, &p);

			pen = false;
			pen_pressure = pen_rotation = Null;
			pen_tilt = Null;
			pen_eraser = false;
			pen_barrel = false;
			pen_inverted = false;
			
			static BOOL (WINAPI *EnableMouseInPointer)(BOOL fEnable);
			static BOOL (WINAPI *GetPointerType)(UINT32 pointerId, POINTER_INPUT_TYPE *pointerType);
			static BOOL (WINAPI *GetPointerInfo)(UINT32 pointerId, POINTER_INFO *pointerInfo);
			static BOOL (WINAPI *GetPointerPenInfo)(UINT32 pointerId, POINTER_PEN_INFO *penInfo);
			static BOOL (WINAPI *GetPointerTouchInfo)(UINT32 pointerId, POINTER_TOUCH_INFO *touchInfo);

			ONCELOCK {
				DllFn(EnableMouseInPointer, "User32.dll", "EnableMouseInPointer");
				if(EnableMouseInPointer && EnableMouseInPointer(true)) disableOldWMs=true; // Switching over to WM_POINTER* functions for mouse
				
				DllFn(GetPointerType, "User32.dll", "GetPointerType");
				DllFn(GetPointerInfo, "User32.dll", "GetPointerInfo");
				DllFn(GetPointerPenInfo, "User32.dll", "GetPointerPenInfo");
				DllFn(GetPointerTouchInfo, "User32.dll", "GetPointerTouchInfo");
			};
			
			POINTER_INPUT_TYPE pointerType;
			

			UINT32 pointerId = GET_POINTERID_WPARAM(wParam);
			if(GetPointerType && GetPointerType(pointerId, &pointerType)) {
				switch(pointerType){
					case PT_PEN:{
						POINTER_PEN_INFO ppi;
						if(GetPointerPenInfo && GetPointerPenInfo(pointerId, &ppi)) {
							pen = true;
							if(ppi.penFlags & PEN_FLAG_BARREL)
								pen_barrel = true;
							if(ppi.penFlags & PEN_FLAG_INVERTED)
								pen_inverted = true;
							if(ppi.penFlags & PEN_FLAG_ERASER)
								pen_eraser = true;
							if(ppi.penMask & PEN_MASK_PRESSURE)
								pen_pressure = ppi.pressure / 1024.0;
							if(ppi.penMask & PEN_MASK_ROTATION)
								pen_rotation = ppi.rotation * M_2PI / 360;
							if(ppi.penMask & PEN_MASK_TILT_X)
								pen_tilt.x = ppi.tiltX * M_2PI / 360;
							if(ppi.penMask & PEN_MASK_TILT_Y)
								pen_tilt.y = ppi.tiltY * M_2PI / 360;
							
						}
						break;
					}
					case PT_TOUCH:{
						POINTER_TOUCH_INFO pti;
						if(GetPointerTouchInfo && GetPointerTouchInfo(pointerId, &pti)) {
							// Add something touch specific here some day maybe...
						}
						break;
					}
					default:{
						POINTER_INFO pi;
						if(GetPointerInfo && GetPointerInfo(pointerId, &pi)) {
						}
						break;
					}
				}

				switch(message){
					case WM_POINTERDOWN:
						ClickActivateWnd();
						if(ignoreclick) return 0L;
						DoMouse(LEFTDOWN, Point(p), 0);
						if(_this) PostInput();
						break;
					case WM_POINTERUP:
						if(ignoreclick) EndIgnore();
						else DoMouse(LEFTUP, Point(p), 0);
						if(_this) PostInput();
						break;
					case WM_POINTERUPDATE:
						if(ignoreclick) {
							EndIgnore();
							return 0L;
						}
						if(_this) DoMouse(MOUSEMOVE, Point(p));
						DoCursorShape();
						break;
						
				}
				return 0L;
			}
		}
		break;
	case WM_POINTERLEAVE:
		pen = false;
		break;



The 'if(disableOldWMs) break;' are still needed in WM_MOUSEMOVE, WM_LBUTTONUP, WM_LBUTTONDOWN.

Does this work for you?

Best regards,

Tom

[Updated on: Thu, 11 March 2021 16:41]

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