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Code Issues Releases Activity

Merge pull request #5461 from Laserlicht/touch_improve

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[1.6.7?] Improve touch motion
This commit is contained in:
Ivan Savenko 2025-02-22 20:58:28 +02:00 committed by GitHub
commit bc90f4f4aa
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2 changed files with 23 additions and 6 deletions
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25
client/eventsSDL/InputSourceTouch.cpp
View File

@ -58,6 +58,15 @@ InputSourceTouch::InputSourceTouch()
void InputSourceTouch::handleEventFingerMotion(const SDL_TouchFingerEvent & tfinger)
{
Point screenSize = GH.screenDimensions();
motionAccumulatedX[tfinger.fingerId] += tfinger.dx;
motionAccumulatedY[tfinger.fingerId] += tfinger.dy;
float motionThreshold = 1.0 / std::min(screenSize.x, screenSize.y);
if(std::abs(motionAccumulatedX[tfinger.fingerId]) < motionThreshold && std::abs(motionAccumulatedY[tfinger.fingerId]) < motionThreshold)
return;
if (CCS && CCS->curh && settings["video"]["cursor"].String() == "software" && state != TouchState::RELATIVE_MODE)
CCS->curh->cursorMove(GH.getCursorPosition().x, GH.getCursorPosition().y);
@ -65,12 +74,11 @@ void InputSourceTouch::handleEventFingerMotion(const SDL_TouchFingerEvent & tfin
{
case TouchState::RELATIVE_MODE:
{
Point screenSize = GH.screenDimensions();
int scalingFactor = GH.screenHandler().getScalingFactor();
Point moveDistance {
static_cast<int>(screenSize.x * params.relativeModeSpeedFactor * tfinger.dx),
static_cast<int>(screenSize.y * params.relativeModeSpeedFactor * tfinger.dy)
static_cast<int>(screenSize.x * params.relativeModeSpeedFactor * motionAccumulatedX[tfinger.fingerId]),
static_cast<int>(screenSize.y * params.relativeModeSpeedFactor * motionAccumulatedY[tfinger.fingerId])
};
GH.input().moveCursorPosition(moveDistance);
@ -112,6 +120,11 @@ void InputSourceTouch::handleEventFingerMotion(const SDL_TouchFingerEvent & tfin
break;
}
}
if(std::abs(motionAccumulatedX[tfinger.fingerId]) >= motionThreshold)
motionAccumulatedX[tfinger.fingerId] = 0;
if(std::abs(motionAccumulatedY[tfinger.fingerId]) >= motionThreshold)
motionAccumulatedY[tfinger.fingerId] = 0;
}
void InputSourceTouch::handleEventFingerDown(const SDL_TouchFingerEvent & tfinger)
@ -293,7 +306,7 @@ int InputSourceTouch::getNumTouchFingers() const
void InputSourceTouch::emitPanningEvent(const SDL_TouchFingerEvent & tfinger)
{
Point distance = convertTouchToMouse(-tfinger.dx, -tfinger.dy);
Point distance = convertTouchToMouse(-motionAccumulatedX[tfinger.fingerId], -motionAccumulatedY[tfinger.fingerId]);
GH.events().dispatchGesturePanning(lastTapPosition, convertTouchToMouse(tfinger), distance);
}
@ -327,8 +340,8 @@ void InputSourceTouch::emitPinchEvent(const SDL_TouchFingerEvent & tfinger)
float thisX = tfinger.x * GH.screenDimensions().x;
float thisY = tfinger.y * GH.screenDimensions().y;
float deltaX = tfinger.dx * GH.screenDimensions().x;
float deltaY = tfinger.dy * GH.screenDimensions().y;
float deltaX = motionAccumulatedX[tfinger.fingerId] * GH.screenDimensions().x;
float deltaY = motionAccumulatedY[tfinger.fingerId] * GH.screenDimensions().y;
float oldX = thisX - deltaX - otherX;
float oldY = thisY - deltaY - otherY;

4
client/eventsSDL/InputSourceTouch.h
View File

@ -10,6 +10,7 @@
#pragma once
#include "SDL_touch.h"
#include "../../lib/Point.h"
// Debug option. If defined, mouse events will instead generate touch events, allowing testing of touch input on desktop
@ -110,6 +111,9 @@ class InputSourceTouch
Point lastLeftClickPosition;
int numTouchFingers;
std::map<SDL_FingerID, float> motionAccumulatedX;
std::map<SDL_FingerID, float> motionAccumulatedY;
Point convertTouchToMouse(const SDL_TouchFingerEvent & current);
Point convertTouchToMouse(float x, float y);