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fix(mac): correct memory width mismatch in keyCodeForChar

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This commit is contained in:
PekingSpades 2025-12-31 20:58:49 +08:00
parent 82a1a0ffc7
commit 5b3aecc1f8
1 changed files with 14 additions and 9 deletions
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23
mac/TestInput/TestInput/TestInputController.m
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@ -470,10 +470,9 @@ CFStringRef createStringForKey(CGKeyCode keyCode)
CGKeyCode keyCodeForChar(const char c)
{
static CFMutableDictionaryRef charToCodeDict = NULL;
CGKeyCode code;
UniChar character = c;
CFStringRef charStr = NULL;
/* Generate table of keycodes and characters. */
if (charToCodeDict == NULL) {
size_t i;
@ -482,7 +481,7 @@ CGKeyCode keyCodeForChar(const char c)
&kCFCopyStringDictionaryKeyCallBacks,
NULL);
if (charToCodeDict == NULL) return UINT16_MAX;
/* Loop through every keycode (0 - 127) to find its current mapping. */
for (i = 0; i < 128; ++i) {
CFStringRef string = createStringForKey((CGKeyCode)i);
@ -492,15 +491,21 @@ CGKeyCode keyCodeForChar(const char c)
}
}
}
charStr = CFStringCreateWithCharacters(kCFAllocatorDefault, &character, 1);
/* Our values may be NULL (0), so we need to use this function. */
if (!CFDictionaryGetValueIfPresent(charToCodeDict, charStr,
(const void **)&code)) {
/* Our values may be NULL (0), so we need to use this function.
* Use a pointer-sized variable to receive the value, since CFDictionary
* stores values as void pointers (64-bit on modern systems), then cast
* to CGKeyCode (uint16_t). */
const void *value = NULL;
CGKeyCode code;
if (CFDictionaryGetValueIfPresent(charToCodeDict, charStr, &value)) {
code = (CGKeyCode)(uintptr_t)value;
} else {
code = UINT16_MAX;
}
CFRelease(charStr);
return code;
}