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IOS7: Implement relative mouse movements for touches

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Send relative mouse movements from backend for touch events. The
relative x and y values are necessary for some games, e.g. Myst3.
This commit is contained in:
Lars Sundström 2023-03-30 19:17:23 +02:00
parent d397938107
commit 01b9f728de
1 changed files with 12 additions and 9 deletions
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21
backends/platform/ios7/ios7_osys_events.cpp
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@ -177,11 +177,12 @@ bool OSystem_iOS7::handleEvent_touchFirstDown(Common::Event &event, int x, int y
// secondary finger is lifted. Need to make sure we get out of that mode.
_secondaryTapped = false;
if (_touchpadModeEnabled) {
_lastPadX = x;
_lastPadY = y;
} else
_lastPadX = x;
_lastPadY = y;
if (!_touchpadModeEnabled) {
warpMouse(x, y);
}
if (_mouseClickAndDragEnabled) {
event.type = Common::EVENT_LBUTTONDOWN;
@ -289,12 +290,12 @@ bool OSystem_iOS7::handleEvent_touchFirstDragged(Common::Event &event, int x, in
//printf("Mouse dragged at (%u, %u)\n", x, y);
int mouseNewPosX;
int mouseNewPosY;
if (_touchpadModeEnabled) {
int deltaX = _lastPadX - x;
int deltaY = _lastPadY - y;
_lastPadX = x;
_lastPadY = y;
int deltaX = _lastPadX - x;
int deltaY = _lastPadY - y;
_lastPadX = x;
_lastPadY = y;
if (_touchpadModeEnabled) {
mouseNewPosX = (int)(_videoContext->mouseX - (int)((float)deltaX * getMouseSpeed()));
mouseNewPosY = (int)(_videoContext->mouseY - (int)((float)deltaY * getMouseSpeed()));
@ -317,6 +318,8 @@ bool OSystem_iOS7::handleEvent_touchFirstDragged(Common::Event &event, int x, in
}
event.type = Common::EVENT_MOUSEMOVE;
event.relMouse.x = deltaX;
event.relMouse.y = deltaY;
event.mouse.x = mouseNewPosX;
event.mouse.y = mouseNewPosY;
warpMouse(mouseNewPosX, mouseNewPosY);