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Refactor the code so that we use enums for key codes.

This commit is contained in:
Lukhnos D. Liu 2012-05-06 15:38:30 -07:00
parent f457b9d463
commit 1993942cd4
1 changed files with 29 additions and 17 deletions
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46
Source/InputMethodController.mm
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@ -446,6 +446,18 @@ public:
NSBeep(); NSBeep();
} }
enum {
kUpKeyCode = 126,
kDownKeyCode = 125,
kLeftKeyCode = 123,
kRightKeyCode = 124,
kPageUpKeyCode = 116,
kPageDownKeyCode = 121,
kHomeKeyCode = 115,
kEndKeyCode = 119
};
- (BOOL)inputText:(NSString*)inputText key:(NSInteger)keyCode modifiers:(NSUInteger)flags client:(id)client - (BOOL)inputText:(NSString*)inputText key:(NSInteger)keyCode modifiers:(NSUInteger)flags client:(id)client
{ {
NSRect textFrame = NSZeroRect; NSRect textFrame = NSZeroRect;
@ -459,10 +471,10 @@ public:
// An exception may raise while using Twitter.app's search filed. // An exception may raise while using Twitter.app's search filed.
} }
NSInteger leftKey = useVerticalMode ? 125 : 124; NSInteger cursorForwardKey = useVerticalMode ? kDownKeyCode : kRightKeyCode;
NSInteger rightKey = useVerticalMode ? 126 : 123; NSInteger cursorBackwardKey = useVerticalMode ? kUpKeyCode : kLeftKeyCode;
NSInteger downKey = useVerticalMode ? 123 : 125; NSInteger extraChooseCandidateKey = useVerticalMode ? kLeftKeyCode : kDownKeyCode;
NSInteger upKey = useVerticalMode ? 124 : 126; NSInteger absorbedArrowKey = useVerticalMode ? kRightKeyCode : kUpKeyCode;
// get the unicode character code // get the unicode character code
UniChar charCode = [inputText length] ? [inputText characterAtIndex:0] : 0; UniChar charCode = [inputText length] ? [inputText characterAtIndex:0] : 0;
@ -488,8 +500,8 @@ public:
// caps lock processing : if caps is locked, temporarily disabled bopomofo. // caps lock processing : if caps is locked, temporarily disabled bopomofo.
if (charCode == 8 || charCode == 13 || if (charCode == 8 || charCode == 13 ||
keyCode == upKey || keyCode == downKey || keyCode == absorbedArrowKey || keyCode == extraChooseCandidateKey ||
keyCode == leftKey || keyCode == rightKey) { keyCode == cursorForwardKey || keyCode == cursorBackwardKey) {
// Do nothing if backspace is pressed // Do nothing if backspace is pressed
} else if (flags & NSAlphaShiftKeyMask){ } else if (flags & NSAlphaShiftKeyMask){
// Now process all possible combination, we hope. // Now process all possible combination, we hope.
@ -503,7 +515,7 @@ public:
return YES; return YES;
} }
if (flags & NSNumericPadKeyMask) { if (flags & NSNumericPadKeyMask) {
if (keyCode != 123 && keyCode != 124 && keyCode != 125 && keyCode != 126 && charCode != 32 && isprint(charCode)) { if (keyCode != kLeftKeyCode && keyCode != kRightKeyCode && keyCode != kDownKeyCode && keyCode != kUpKeyCode && charCode != 32 && isprint(charCode)) {
if ([_composingBuffer length]) [self commitComposition:client]; if ([_composingBuffer length]) [self commitComposition:client];
NSString *popedText = [inputText lowercaseString]; NSString *popedText = [inputText lowercaseString];
[client insertText:popedText replacementRange:NSMakeRange(NSNotFound, NSNotFound)]; [client insertText:popedText replacementRange:NSMakeRange(NSNotFound, NSNotFound)];
@ -521,21 +533,21 @@ public:
[self candidateController:LTCurrentCandidateController didSelectCandidateAtIndex:LTCurrentCandidateController.selectedCandidateIndex]; [self candidateController:LTCurrentCandidateController didSelectCandidateAtIndex:LTCurrentCandidateController.selectedCandidateIndex];
return YES; return YES;
} }
else if (charCode == 32 || keyCode == 121) { else if (charCode == 32 || keyCode == kPageDownKeyCode) {
BOOL updated = [LTCurrentCandidateController showNextPage]; BOOL updated = [LTCurrentCandidateController showNextPage];
if (!updated) { if (!updated) {
[self beep]; [self beep];
} }
return YES; return YES;
} }
else if (keyCode == 116) { else if (keyCode == kPageUpKeyCode) {
BOOL updated = [LTCurrentCandidateController showPreviousPage]; BOOL updated = [LTCurrentCandidateController showPreviousPage];
if (!updated) { if (!updated) {
[self beep]; [self beep];
} }
return YES; return YES;
} }
else if (keyCode == 123) { else if (keyCode == kLeftKeyCode) {
if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) { if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
BOOL updated = [LTCurrentCandidateController highlightPreviousCandidate]; BOOL updated = [LTCurrentCandidateController highlightPreviousCandidate];
if (!updated) { if (!updated) {
@ -548,7 +560,7 @@ public:
return YES; return YES;
} }
} }
else if (keyCode == 124) { else if (keyCode == kRightKeyCode) {
if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) { if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
BOOL updated = [LTCurrentCandidateController highlightNextCandidate]; BOOL updated = [LTCurrentCandidateController highlightNextCandidate];
if (!updated) { if (!updated) {
@ -561,7 +573,7 @@ public:
return YES; return YES;
} }
} }
else if (keyCode == 126) { else if (keyCode == kUpKeyCode) {
if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) { if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
BOOL updated = [LTCurrentCandidateController showPreviousPage]; BOOL updated = [LTCurrentCandidateController showPreviousPage];
if (!updated) { if (!updated) {
@ -577,7 +589,7 @@ public:
return YES; return YES;
} }
} }
else if (keyCode == 125) { else if (keyCode == kDownKeyCode) {
if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) { if ([LTCurrentCandidateController isKindOfClass:[VTHorizontalCandidateController class]]) {
BOOL updated = [LTCurrentCandidateController showNextPage]; BOOL updated = [LTCurrentCandidateController showNextPage];
if (!updated) { if (!updated) {
@ -672,7 +684,7 @@ public:
} }
// keyCode 125 = Down, charCode 32 = Space // keyCode 125 = Down, charCode 32 = Space
if (_bpmfReadingBuffer->isEmpty() && [_composingBuffer length] > 0 && (keyCode == downKey || charCode == 32)) { if (_bpmfReadingBuffer->isEmpty() && [_composingBuffer length] > 0 && (keyCode == extraChooseCandidateKey || charCode == 32)) {
if (charCode == 32) { if (charCode == 32) {
// if the spacebar is NOT set to be a selection key // if the spacebar is NOT set to be a selection key
if (![[NSUserDefaults standardUserDefaults] boolForKey:kChooseCandidateUsingSpaceKey]) { if (![[NSUserDefaults standardUserDefaults] boolForKey:kChooseCandidateUsingSpaceKey]) {
@ -715,7 +727,7 @@ public:
} }
// The Right key, note we use keyCode here // The Right key, note we use keyCode here
if (keyCode == rightKey) { if (keyCode == cursorBackwardKey) {
if (!_bpmfReadingBuffer->isEmpty()) { if (!_bpmfReadingBuffer->isEmpty()) {
[self beep]; [self beep];
} }
@ -737,7 +749,7 @@ public:
} }
// The Left key, note we use keyCode here // The Left key, note we use keyCode here
if (keyCode == leftKey) { if (keyCode == cursorForwardKey) {
if (!_bpmfReadingBuffer->isEmpty()) { if (!_bpmfReadingBuffer->isEmpty()) {
[self beep]; [self beep];
} }
@ -758,7 +770,7 @@ public:
return YES; return YES;
} }
if (keyCode == upKey || keyCode == downKey) { if (keyCode == absorbedArrowKey || keyCode == extraChooseCandidateKey) {
if (!_bpmfReadingBuffer->isEmpty()) { if (!_bpmfReadingBuffer->isEmpty()) {
[self beep]; [self beep];
} }