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Home » Developing U++ » U++ Developers corner » Using Pen with U++
| Re: Using Pen with U++ [message #56434 is a reply to message #56433] |
Thu, 11 March 2021 14:41   |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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Actually you do get those WM_POINTERDOWN and WM_POINTERUP. From your log:
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_POINTERDOWN <<< HERE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_LBUTTONDOWN
Start line
WM_MOUSEMOVE
Drawing line, pressure: 0.109375
WM_POINTERUPDATE
WM_MOUSEMOVE
Drawing line, pressure: 0.12890625
...
WM_POINTERUPDATE
WM_MOUSEMOVE
Drawing line, pressure: 0.271484375
WM_POINTERUPDATE
WM_MOUSEMOVE
Drawing line, pressure: 0.1015625
WM_POINTERUPDATE
WM_POINTERUP <<< HERE
WM_LBUTTONUP
WM_POINTERUPDATE
WM_MOUSEMOVE
Drawing line, pressure: 0
WM_POINTERUPDATE
WM_MOUSEMOVE
Drawing line, pressure: 0
WM_POINTERUPDATE
WM_MOUSEMOVE
What I find strange is that in the end, where you (I guess) take over with mouse, you do not get WM_POINTERUPDATEs. This suggests that the EnableMouseInPointer() is not working for you. Also, all your drawing takes place after WM_MOUSEMOVE and not WM_POINTERUPDATE, for some reason...
It is no wonder the drawing continues at zero width after mouse up, since there is no code for LeftUp to stop it.
Well, my RLOGs... I just use DEBUG mode only after getting in deep trouble... 
Best regards,
Tom
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| Re: Using Pen with U++ [message #56435 is a reply to message #56434] |
Thu, 11 March 2021 14:54 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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OK, here's a fix for the testing code:
#include <CtrlLib/CtrlLib.h>
using namespace Upp;
struct MyApp : TopWindow {
Point pos;
Vector<Vector<Tuple<double, Pointf>>> drawing;
bool pendown;
MyApp(){
pendown=false;
}
virtual void LeftUp(Point p, dword)
{
if(IsPointerPen()) {
DLOG("End line");
pendown=false;
}
Refresh();
}
virtual void LeftDown(Point p, dword)
{
if(IsPointerPen()) {
DLOG("Start line");
pendown=true;
drawing.Add().Add(MakeTuple(GetPenPressure(), p));
}
Refresh();
}
virtual void MouseMove(Point p, dword keyflags) {
pos = p;
if(IsPointerPen() && drawing.GetCount() && pendown) {
DLOG("Drawing line, pressure: " << GetPenPressure());
drawing.Top().Add(MakeTuple(GetPenPressure(), p));
}
Refresh();
}
virtual void Paint(Draw& w0)
{
DrawPainter w(w0, GetSize());
w.Clear(SColorPaper());
w.LineCap(LINECAP_ROUND);
for(const auto& stroke : drawing)
if(stroke.GetCount())
for(int i = 0; i < stroke.GetCount() - 1; i++) {
w.Move(stroke[i].b);
w.Line(stroke[i + 1].b);
w.Stroke(DPI(20) * stroke[i].a, Black());
}
int fcy = GetStdFontCy();
int y = 10;
auto Text = [&] (const String& text) {
w.DrawText(10, y, text);
y += fcy;
};
Text(AsString(pos));
Text(String() << "Pen: " << IsPointerPen());
Text(String() << "Pressure: " << GetPenPressure());
Text(String() << "Rotation: " << GetPenRotation());
Text(String() << "Tilt: " << GetPenTilt());
Text(String() << "Barrel: " << IsPenBarrelPressed());
Text(String() << "Inverted: " << IsPenInverted());
Text(String() << "Eraser: " << IsPenEraserPressed()); // FIXED to IsPenEraserPressed()
//Refresh(); // REMOVED
}
};
GUI_APP_MAIN
{
MyApp().Run();
}
And results for single line draw:
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERDOWN
Start line
WM_POINTERUPDATE
Drawing line, pressure: 0.107421875
WM_POINTERUPDATE
Drawing line, pressure: 0.154296875
WM_POINTERUPDATE
Drawing line, pressure: 0.205078125
WM_POINTERUPDATE
Drawing line, pressure: 0.2255859375
WM_POINTERUPDATE
Drawing line, pressure: 0.2255859375
WM_POINTERUPDATE
Drawing line, pressure: 0.2255859375
WM_POINTERUPDATE
Drawing line, pressure: 0.228515625
WM_POINTERUPDATE
Drawing line, pressure: 0.2451171875
WM_POINTERUPDATE
Drawing line, pressure: 0.2451171875
WM_MOUSEMOVE
WM_LBUTTONDOWN
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.244140625
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.263671875
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.2802734375
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.29296875
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.3056640625
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.3193359375
...
Drawing line, pressure: 0.4169921875
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.4052734375
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.37890625
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.365234375
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.3359375
WM_MOUSEMOVE
WM_POINTERUPDATE
Drawing line, pressure: 0.0625
WM_MOUSEMOVE
WM_POINTERUP
End line
WM_LBUTTONUP
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
WM_POINTERUPDATE
WM_MOUSEMOVE
Best regards,
Tom
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| Re: Using Pen with U++ [message #56436 is a reply to message #56435] |
Thu, 11 March 2021 16:26 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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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] Report message to a moderator |
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| Re: Using Pen with U++ [message #56441 is a reply to message #56438] |
Fri, 12 March 2021 10:26 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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Hi,
WM_LBUTTONDOWN comes in late with Wacom, so it needs to be caught with WM_POINTERDOWN. WM_MOUSEMOVEs are also missing in the beginning of draw, so WM_POINTERUPDATE needs to replace WM_MOUSEMOVE there.
The only way (I can see) to properly handle each pointing device when more than one exist, is taking the full control of moves and left button to WM_POINTER* messages.
I think that we should aim for the Pen to work in place of a mouse as logically and cleanly as possible without any changes to the final application. I'm thinking of people using pen with U++ applications without specific pen support. Their experience should not suffer.
Only when pressure/tilt/rotation are beneficial for the application, then additional calls should be placed to acquire their values.
If I understand it correctly, the RBUTTON and DOUBLECLICKS are not part of WM_POINTER* message family. Anyway, at least RBUTTON works through the old messages. I have not tried doubleclicking yet... I'll do it after I get back to my tablet later in the afternoon.
Best regards,
Tom
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| Re: Using Pen with U++ [message #56443 is a reply to message #56442] |
Fri, 12 March 2021 11:56 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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Tom1 wrote on Fri, 12 March 2021 11:28mirek wrote on Fri, 12 March 2021 11:18BTW, what do you get with
DDUMPHEX(GetMessageExtraInfo());
It looks like that 0xff515704 indicates pen for "old" WM messages, which could be useful in some context...
https://stackoverflow.com/questions/29857587/detect-if-wm-mo usemove-is-caused-by-touch-pen
Mirek
I'll need to check this when I get to my tablet...
You're moving fast! Just cannot keep up writing my replies...
Best regards,
Tom
It's GetMessageExtraInfo() = 0x0
Best regards,
Tom
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| Re: Using Pen with U++ [message #56444 is a reply to message #56443] |
Fri, 12 March 2021 12:35 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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Hi,
It seems, when the pen is moving fast, Windows filters out part of the intermediate pen positions. Therefore, processing GetPointerPenInfoHistory() improves drawing quality especially at higher pen speeds:
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);
static BOOL (WINAPI *GetPointerPenInfoHistory)(UINT32 pointerId, UINT32 *entriesCount, POINTER_PEN_INFO *penInfo);
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");
DllFn(GetPointerPenInfoHistory, "User32.dll", "GetPointerPenInfoHistory");
};
POINTER_INPUT_TYPE pointerType;
UINT32 pointerId = GET_POINTERID_WPARAM(wParam);
if(GetPointerType && GetPointerType(pointerId, &pointerType)) {
switch(pointerType){
case PT_PEN:{
UINT32 hc=256;
POINTER_PEN_INFO ppit[hc];
if(message==WM_POINTERUPDATE && GetPointerPenInfoHistory && GetPointerPenInfoHistory(pointerId, &hc, ppit)) {
for(int i=hc-1;i>=0;i--){
pen = true;
if(ppit[i].penFlags & PEN_FLAG_BARREL)
pen_barrel = true;
if(ppit[i].penFlags & PEN_FLAG_INVERTED)
pen_inverted = true;
if(ppit[i].penFlags & PEN_FLAG_ERASER)
pen_eraser = true;
if(ppit[i].penMask & PEN_MASK_PRESSURE)
pen_pressure = ppit[i].pressure / 1024.0;
if(ppit[i].penMask & PEN_MASK_ROTATION)
pen_rotation = ppit[i].rotation * M_2PI / 360;
if(ppit[i].penMask & PEN_MASK_TILT_X)
pen_tilt.x = ppit[i].tiltX * M_2PI / 360;
if(ppit[i].penMask & PEN_MASK_TILT_Y)
pen_tilt.y = ppit[i].tiltY * M_2PI / 360;
POINT hp = ppit[i].pointerInfo.ptPixelLocation;
ScreenToClient(hwnd, &hp);
if(ignoreclick) {
EndIgnore();
return 0L;
}
if(_this) DoMouse(MOUSEMOVE, Point(hp));
DoCursorShape();
}
return 0L;
}
POINTER_PEN_INFO ppi;
if(GetPointerPenInfo && GetPointerPenInfo(pointerId, &ppi)) {
if(ppi.pointerInfo.historyCount){
}
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;
...
Best regards,
Tom
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| Re: Using Pen with U++ [message #56446 is a reply to message #56444] |
Fri, 12 March 2021 17:50 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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OK, now I checked LeftDouble(), RightDouble(), RightUp()... and NONE of them works with the above code.
Need to think more...
Best regards,
Tom
EDIT: I'm starting to believe that if WM_POINTER* is used for mouse, it needs processing WM_POINTERUP and WM_POINTERDOWN in a way that checks IS_POINTER_FIRSTBUTTON_WPARAM(wParam), IS_POINTER_SECONDBUTTON_WPARAM(wParam) and so on to detect WM_LBUTTONUP/DOWN and WM_RBUTTONUP/DOWN and others correctly. Seems a bit complex to me. And still DOUBLECLICKs are a mystery.
[Updated on: Fri, 12 March 2021 18:05] Report message to a moderator |
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| Re: Using Pen with U++ [message #56449 is a reply to message #56448] |
Fri, 12 March 2021 20:27 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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Mirek,
Can you test this:
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);
static BOOL (WINAPI *GetPointerPenInfoHistory)(UINT32 pointerId, UINT32 *entriesCount, POINTER_PEN_INFO *penInfo);
ONCELOCK {
DllFn(GetPointerType, "User32.dll", "GetPointerType");
DllFn(GetPointerInfo, "User32.dll", "GetPointerInfo");
DllFn(GetPointerPenInfo, "User32.dll", "GetPointerPenInfo");
DllFn(GetPointerTouchInfo, "User32.dll", "GetPointerTouchInfo");
DllFn(GetPointerPenInfoHistory, "User32.dll", "GetPointerPenInfoHistory");
};
POINTER_INPUT_TYPE pointerType;
UINT32 pointerId = GET_POINTERID_WPARAM(wParam);
if(GetPointerType && GetPointerType(pointerId, &pointerType)) {
switch(pointerType){
case PT_PEN:{
UINT32 hc=256;
POINTER_PEN_INFO ppit[hc];
if(message==WM_POINTERUPDATE && GetPointerPenInfoHistory && GetPointerPenInfoHistory(pointerId, &hc, ppit)) {
for(int i=hc-1;i>=0;i--){
pen = true;
if(ppit[i].penFlags & PEN_FLAG_BARREL)
pen_barrel = true;
if(ppit[i].penFlags & PEN_FLAG_INVERTED)
pen_inverted = true;
if(ppit[i].penFlags & PEN_FLAG_ERASER)
pen_eraser = true;
if(ppit[i].penMask & PEN_MASK_PRESSURE)
pen_pressure = ppit[i].pressure / 1024.0;
if(ppit[i].penMask & PEN_MASK_ROTATION)
pen_rotation = ppit[i].rotation * M_2PI / 360;
if(ppit[i].penMask & PEN_MASK_TILT_X)
pen_tilt.x = ppit[i].tiltX * M_2PI / 360;
if(ppit[i].penMask & PEN_MASK_TILT_Y)
pen_tilt.y = ppit[i].tiltY * M_2PI / 360;
POINT hp = ppit[i].pointerInfo.ptPixelLocation;
ScreenToClient(hwnd, &hp);
if(ignoreclick) {
EndIgnore();
return 0L;
}
if(_this) DoMouse(MOUSEMOVE, Point(hp));
DoCursorShape();
}
return 0L;
}
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;
}
}
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;
No blocking of original WM_MOUSEMOVE, etc. required at all.
For some reason, with this code I do not get those WM_MOUSEMOVE messages for Pen, but only for mouse. Similarly, WM_POINTER... messages only appear for Pen.
Right clicks and double clicks work for mouse as before. So this is closest to a working solution so far.
Best regards,
Tom
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| Re: Using Pen with U++ [message #56452 is a reply to message #56449] |
Sat, 13 March 2021 12:42 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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Hi,
OK, now I found the reason why the original code produced both WM_MOUSEMOVEs and WM_POINTERUPDATEs for the pen moving: When case WM_POINTERUPDATE: exits with break; , it causes some emulation to result in WM_MOUSEMOVE. However, when WM_POINTERUPDATE exits with return 0L; , there will not be any WM_MOUSEMOVE and the two get processed separately and correctly.
This must be the reason why the latest code works.
Best regards,
Tom
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| Re: Using Pen with U++ [message #56454 is a reply to message #56453] |
Sat, 13 March 2021 14:39 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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mirek wrote on Sat, 13 March 2021 15:19Looks good, however, should you return immediately after processing the history?
I think so, yes. History[0] contains the latest POINTERUPDATE, so everything gets processed this way.
Best regards,
Tom
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| Re: Using Pen with U++ [message #56457 is a reply to message #56454] |
Sat, 13 March 2021 15:10 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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... I'm just thinking about the situation, where an application written with U++ has not been specifically designed to support pen: I think that the barrel button should be mapped to the right mouse button in U++ -- as is the default Windows pen behavior, I think. This (and maybe some other things) should give a reasonable pen experience without any special work on the application itself.
The default pen behavior can be seen in:
https://docs.microsoft.com/en-us/previous-versions/windows/d esktop/inputmsg/wm-pointerdown
Look specifically at IS_POINTER_FIRSTBUTTON_WPARAM(wParam) and IS_POINTER_SECONDBUTTON_WPARAM(wParam)...
Best regards,
Tom
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| Re: Using Pen with U++ [message #56458 is a reply to message #56456] |
Sat, 13 March 2021 15:20 |
Tom1
Messages: 1212
Registered: March 2007
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Senior Contributor |
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mirek wrote on Sat, 13 March 2021 16:07OK, done some cleanup/deduplication, I think this might be final. Can you test?
And now important question: Does Wacom work with Linux?
Mirek
Yes, it works just great! Nice cleanup too.
You can remove this too:
static BOOL (WINAPI *EnableMouseInPointer)(BOOL fEnable);
Tracking pen_history is a mystery to me, though... Any reason for that?
Currently my linux is on the virtual machine on top of windows... It does not see pen operations directly. I need to check if I can reconnect the wacom directly to the VM...
Best regards,
Tom
EDIT: A quick search says it should work after installing some X wacom drivers...
[Updated on: Sat, 13 March 2021 15:23] Report message to a moderator |
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