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Fix #1620 #1626

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merged 3 commits into from
Nov 14, 2024
Merged

Fix #1620 #1626

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eac94a8
Use correct macros to get the mouse position.
Hoikas Nov 11, 2024
aad3fd3
Don't scale mouse positions coming in from the OS.
Hoikas Nov 12, 2024
cf3c86b
Send scaled mouse coordinates from Apple client.
colincornaby Nov 14, 2024
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17 changes: 9 additions & 8 deletions Sources/Plasma/Apps/plClient/Mac-Cocoa/PLSView.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -191,18 +191,19 @@ - (void)updateClientMouseLocation:(NSEvent*)event
CGPoint viewLocation = [self convertPoint:windowLocation fromView:nil];

NSRect windowViewBounds = self.bounds;
CGFloat deltaX = (windowLocation.x) / windowViewBounds.size.width;
CGFloat deltaY =
CGFloat xNormal = (windowLocation.x) / windowViewBounds.size.width;
CGFloat yNormal =
(windowViewBounds.size.height - windowLocation.y) / windowViewBounds.size.height;

plIMouseXEventMsg* pXMsg = new plIMouseXEventMsg;
plIMouseYEventMsg* pYMsg = new plIMouseYEventMsg;

pXMsg->fWx = viewLocation.x;
pXMsg->fX = deltaX;
pXMsg->fX = xNormal;
pYMsg->fY = yNormal;

pYMsg->fWy = (windowViewBounds.size.height - windowLocation.y);
pYMsg->fY = deltaY;
// Plasma internally uses input coords as display coords
pXMsg->fWx = viewLocation.x * self.window.screen.backingScaleFactor;
pYMsg->fWy = (windowViewBounds.size.height - windowLocation.y) * self.window.screen.backingScaleFactor;

@synchronized(self.layer) {
if (self.inputManager) {
Expand All @@ -219,7 +220,7 @@ - (void)updateClientMouseLocation:(NSEvent*)event
newWindowLocation.x = CGRectGetMidX(self.window.contentView.bounds);

// macOS won't generate a new message on warp, need to tell Plasma by hand
pXMsg->fWx = newWindowLocation.x;
pXMsg->fWx = newWindowLocation.x * self.window.screen.backingScaleFactor;;
pXMsg->fX = 0.5f;
self.inputManager->MsgReceive(pXMsg);
}
Expand All @@ -228,7 +229,7 @@ - (void)updateClientMouseLocation:(NSEvent*)event
newWindowLocation.y = CGRectGetMidY(self.window.contentView.bounds);

// macOS won't generate a new message on warp, need to tell Plasma by hand
pYMsg->fWy = newWindowLocation.y;
pYMsg->fWy = newWindowLocation.y * self.window.screen.backingScaleFactor;;
pYMsg->fY = 0.5f;
self.inputManager->MsgReceive(pYMsg);
}
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4 changes: 2 additions & 2 deletions Sources/Plasma/PubUtilLib/plInputCore/plInputDevice.cpp
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Expand Up @@ -492,7 +492,7 @@ bool plMouseDevice::MsgReceive(plMessage* msg)
fXPos = pXMsg->fX;

SetCursorX(fXPos);
fWXPos = pXMsg->fWx * fScale;
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This change broke macOS. I'll dig into why. Just for background - why didn't this work on Windows?

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WM_MOUSEMOVE and friends send coordinates that are already DPI aware, therefore there is no need to scale them. They are already scaled.

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That explains it. The input system on macOS does not scale with DPI. Let me consider what to do (including possibly scaling the macOS input by hand) and I'll get back to you shortly.

fWXPos = pXMsg->fWx;
return true;
}

Expand Down Expand Up @@ -529,7 +529,7 @@ bool plMouseDevice::MsgReceive(plMessage* msg)
else
fYPos = pYMsg->fY;

fWYPos = pYMsg->fWy * fScale;
fWYPos = pYMsg->fWy;
SetCursorY(fYPos);

return true;
Expand Down
11 changes: 7 additions & 4 deletions Sources/Plasma/PubUtilLib/plInputCore/plInputManager.cpp
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Expand Up @@ -42,6 +42,9 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
// plInputManager.cpp
#include "HeadSpin.h"
#include "hsWindows.h"
#ifdef WIN32
# include <Windowsx.h>
#endif

#include "plInputManager.h"
#include "plPipeline.h"
Expand Down Expand Up @@ -294,10 +297,10 @@ void plInputManager::HandleWin32ControlEvent(UINT message, WPARAM Wparam, LPARAM
plIMouseYEventMsg* pYMsg = new plIMouseYEventMsg;
plIMouseBEventMsg* pBMsg = new plIMouseBEventMsg;

pXMsg->fWx = LOWORD(Lparam);
pXMsg->fX = (float)LOWORD(Lparam) / (float)rect.right;
pYMsg->fWy = HIWORD(Lparam);
pYMsg->fY = (float)HIWORD(Lparam) / (float)rect.bottom;
pXMsg->fWx = GET_X_LPARAM(Lparam);
pXMsg->fX = (float)GET_X_LPARAM(Lparam) / (float)rect.right;
pYMsg->fWy = GET_Y_LPARAM(Lparam);
pYMsg->fY = (float)GET_Y_LPARAM(Lparam) / (float)rect.bottom;

// Apply mouse scale
// pXMsg->fX *= fMouseScale;
Expand Down