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wasm: fix mouse move and right click

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Emscripten has no concept of 'no mouse button', so when there
is no button down, it was sending left mouse.

Also we were hiding mousepress for only leftmouse downs.

Fixes: QTBUG-97431
Pick-to: 6.2
Change-Id: Ibf078705c343944e45551830b7fee94ed5aa7333
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
This commit is contained in:
Lorn Potter 2021-11-25 16:39:45 +10:00
parent 625cfb6b40
commit 820a6d4117
1 changed files with 8 additions and 4 deletions
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12
src/plugins/platforms/wasm/qwasmeventtranslator.cpp
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@ -437,7 +437,7 @@ bool QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven
QPoint globalPoint = screen()->geometry().topLeft() + targetPoint;
QEvent::Type buttonEventType = QEvent::None;
Qt::MouseButton button = translateMouseButton(mouseEvent->button);
Qt::MouseButton button = Qt::NoButton;
Qt::KeyboardModifiers modifiers = translateMouseEventModifier(mouseEvent);
QWindow *window2 = nullptr;
@ -457,19 +457,22 @@ bool QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven
switch (eventType) {
case EMSCRIPTEN_EVENT_MOUSEDOWN:
{
button = translateMouseButton(mouseEvent->button);
if (window2)
window2->requestActivate();
pressedButtons.setFlag(button);
pressedWindow = window2;
buttonEventType = QEvent::MouseButtonPress;
// button overview:
// 0 = primary mouse button, usually left click
// 1 = middle mouse button, usually mouse wheel
// 2 = right mouse button, usually right click
// from: https://w3c.github.io/uievents/#dom-mouseevent-button
if (mouseEvent->button == 0) {
pressedWindow = window2;
buttonEventType = QEvent::MouseButtonPress;
if (!(htmlWindow->m_windowState & Qt::WindowFullScreen) && !(htmlWindow->m_windowState & Qt::WindowMaximized)) {
if (htmlWindow && window2->flags().testFlag(Qt::WindowTitleHint) && htmlWindow->isPointOnTitle(globalPoint))
draggedWindow = window2;
@ -487,7 +490,8 @@ bool QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven
}
case EMSCRIPTEN_EVENT_MOUSEUP:
{
pressedButtons.setFlag(translateMouseButton(mouseEvent->button), false);
button = translateMouseButton(mouseEvent->button);
pressedButtons.setFlag(button, false);
buttonEventType = QEvent::MouseButtonRelease;
QWasmWindow *oldWindow = nullptr;