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Use lazy loading for keyboard scancodes on macos (backport)

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Lorenzooone 2024-09-16 22:50:53 +02:00 committed by Chris Thrasher
parent 54c7edb2a0
commit 5545df7290
3 changed files with 19 additions and 6 deletions
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1
changelog.md
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@ -22,6 +22,7 @@
- [Windows] Close the clipboard if we fail to empty it (#3043)
- [Android] Remove use of deprecated `ALooper_pollAll` (#3181, #3189)
- [macOS] Fix how macOS fullscreen video modes are detected (#2300, #3151)
- [macOS] Prevent unnecessary macOS input monitoring permission prompts (#2843, #3235)
### Graphics

1
src/SFML/Window/OSX/HIDInputManager.hpp
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@ -281,6 +281,7 @@ private:
// Member data
////////////////////////////////////////////////////////////
IOHIDManagerRef m_manager; ///< Underlying HID Manager
bool m_keysInitialized; ///< Has initializeKeyboard been called at least once?
IOHIDElements m_keys[Keyboard::Scan::ScancodeCount]; ///< All the keys on any connected keyboard
Keyboard::Scancode m_keyToScancodeMapping[Keyboard::KeyCount]; ///< Mapping from Key to Scancode
Keyboard::Key m_scancodeToKeyMapping[Keyboard::Scan::ScancodeCount]; ///< Mapping from Scancode to Key

15
src/SFML/Window/OSX/HIDInputManager.mm
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@ -555,6 +555,13 @@ bool HIDInputManager::isKeyPressed(Keyboard::Key key)
////////////////////////////////////////////////////////////
bool HIDInputManager::isKeyPressed(Keyboard::Scancode code)
{
// Lazy load m_keys to prevent unnecessary macOS input monitoring permission requests
if (!m_keysInitialized)
{
initializeKeyboard();
m_keysInitialized = true;
}
return (code != Keyboard::Scan::Unknown) && isPressed(m_keys[code]);
}
@ -694,7 +701,8 @@ String HIDInputManager::getDescription(Keyboard::Scancode code)
////////////////////////////////////////////////////////////
HIDInputManager::HIDInputManager() :
m_manager(0)
m_manager(0),
m_keysInitialized(false)
{
// Create an HID Manager reference
m_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
@ -708,7 +716,6 @@ m_manager(0)
}
// Build up our knownledge of the hardware
initializeKeyboard();
buildMappings();
// Register for notification on keyboard layout changes
@ -908,6 +915,8 @@ void HIDInputManager::freeUp()
CFRelease(m_manager);
m_manager = 0;
if (m_keysInitialized)
{
for (unsigned int i = 0; i < Keyboard::KeyCount; ++i)
{
for (IOHIDElements::iterator it = m_keys[i].begin(); it != m_keys[i].end(); ++it)
@ -916,6 +925,8 @@ void HIDInputManager::freeUp()
m_keys[i].clear();
}
}
m_keysInitialized = false;
}
////////////////////////////////////////////////////////////