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authorTor Arne Vestbø <tor.arne.vestbo@qt.io>2020-07-24 11:48:44 +0200
committerTor Arne Vestbø <tor.arne.vestbo@qt.io>2020-07-24 12:33:46 +0200
commit8361c6252fecf8b95cf06560f852b1e9b5c6b82b (patch)
treec1d4b2cef3a48d10f9b53322ffa161402e150846 /src/plugins/platforms/cocoa/qcocoakeymapper.mm
parent865582bd7fd9b7e22c46db01245fc700e5e2bbd7 (diff)
macOS: Clarify that QCocoaKeyMapper only computes 8 modifier states
Change-Id: Ie4a53bbc16cde7b4aa68172015bbfeaa9e316bcc Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoakeymapper.mm')
-rw-r--r--src/plugins/platforms/cocoa/qcocoakeymapper.mm5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoakeymapper.mm b/src/plugins/platforms/cocoa/qcocoakeymapper.mm
index bcc5a9ef0c..d1654e84bb 100644
--- a/src/plugins/platforms/cocoa/qcocoakeymapper.mm
+++ b/src/plugins/platforms/cocoa/qcocoakeymapper.mm
@@ -444,6 +444,8 @@ static constexpr Qt::KeyboardModifiers modifierCombinations[] = {
*/
const QCocoaKeyMapper::KeyMap &QCocoaKeyMapper::keyMapForKey(VirtualKeyCode virtualKey, QChar unicodeKey) const
{
+ static_assert(sizeof(modifierCombinations) / sizeof(Qt::KeyboardModifiers) == kNumModifierCombinations);
+
const_cast<QCocoaKeyMapper *>(this)->updateKeyboard();
auto &keyMap = m_keyMap[virtualKey];
@@ -452,7 +454,7 @@ const QCocoaKeyMapper::KeyMap &QCocoaKeyMapper::keyMapForKey(VirtualKeyCode virt
qCDebug(lcQpaKeyMapper, "Updating key map for virtual key = 0x%02x!", (uint)virtualKey);
- for (int i = 0; i < 16; ++i) {
+ for (int i = 0; i < kNumModifierCombinations; ++i) {
Q_ASSERT(!i || keyMap[i] == 0);
auto qtModifiers = modifierCombinations[i];
@@ -514,6 +516,7 @@ QList<int> QCocoaKeyMapper::possibleKeys(const QKeyEvent *event) const
// is always valid, and the first priority.
ret << int(unmodifiedKey + eventModifiers);
+ // FIXME: We only compute the first 8 combinations. Why?
for (int i = 1; i < 8; ++i) {
auto keyAfterApplyingModifiers = keyMap[i];
if (keyAfterApplyingModifiers == unmodifiedKey)