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iPhone on-screen keyboard support, when a TextEditor or CodeEditor is focused.

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This commit is contained in:
Julian Storer 2010-03-22 17:25:45 +00:00
parent 7bc8db2ff4
commit 49320b25d2
20 changed files with 375 additions and 114 deletions
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114
src/native/mac/juce_iphone_UIViewComponentPeer.mm
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@ -34,10 +34,11 @@ END_JUCE_NAMESPACE
#define JuceUIView MakeObjCClassName(JuceUIView)
@interface JuceUIView : UIView
@interface JuceUIView : UIView <UITextFieldDelegate>
{
@public
UIViewComponentPeer* owner;
UITextField *hiddenTextField;
}
- (JuceUIView*) initWithOwner: (UIViewComponentPeer*) owner withFrame: (CGRect) frame;
@ -56,8 +57,12 @@ END_JUCE_NAMESPACE
- (void) asyncRepaint: (id) rect;
- (BOOL) textField: (UITextField*) textField shouldChangeCharactersInRange: (NSRange) range replacementString: (NSString*) string;
- (BOOL) textFieldShouldClear: (UITextField*) textField;
- (BOOL) textFieldShouldReturn: (UITextField*) textField;
@end
//==============================================================================
#define JuceUIWindow MakeObjCClassName(JuceUIWindow)
@ -75,7 +80,8 @@ END_JUCE_NAMESPACE
BEGIN_JUCE_NAMESPACE
//==============================================================================
class UIViewComponentPeer : public ComponentPeer
class UIViewComponentPeer : public ComponentPeer,
public FocusChangeListener
{
public:
UIViewComponentPeer (Component* const component,
@ -123,6 +129,12 @@ public:
void grabFocus();
void textInputRequired (const Point<int>& position);
virtual BOOL textFieldReplaceCharacters (const Range<int>& range, const String& text);
virtual BOOL textFieldShouldClear();
virtual BOOL textFieldShouldReturn();
void updateHiddenTextContent (TextInputTarget* target);
void globalFocusChanged (Component*);
void handleTouches (UIEvent* e, bool isDown, bool isUp, bool isCancel);
//==============================================================================
@ -157,11 +169,18 @@ END_JUCE_NAMESPACE
[super initWithFrame: frame];
owner = owner_;
hiddenTextField = [[UITextField alloc] initWithFrame: CGRectMake (0, 0, 0, 0)];
[self addSubview: hiddenTextField];
hiddenTextField.delegate = self;
return self;
}
- (void) dealloc
{
[hiddenTextField removeFromSuperview];
[hiddenTextField release];
[super dealloc];
}
@ -247,6 +266,22 @@ JUCE_NAMESPACE::Point<int> juce_lastMousePos;
[self setNeedsDisplayInRect: *r];
}
- (BOOL) textField: (UITextField*) textField shouldChangeCharactersInRange: (NSRange) range replacementString: (NSString*) text
{
return owner->textFieldReplaceCharacters (Range<int> (range.location, range.location + range.length),
nsStringToJuce (text));
}
- (BOOL) textFieldShouldClear: (UITextField*) textField
{
return owner->textFieldShouldClear();
}
- (BOOL) textFieldShouldReturn: (UITextField*) textField
{
return owner->textFieldShouldReturn();
}
@end
//==============================================================================
@ -323,10 +358,14 @@ UIViewComponentPeer::UIViewComponentPeer (Component* const component,
}
setTitle (component->getName());
Desktop::getInstance().addFocusChangeListener (this);
}
UIViewComponentPeer::~UIViewComponentPeer()
{
Desktop::getInstance().removeFocusChangeListener (this);
view->owner = 0;
[view removeFromSuperview];
[view release];
@ -676,6 +715,77 @@ void UIViewComponentPeer::textInputRequired (const Point<int>&)
{
}
void UIViewComponentPeer::updateHiddenTextContent (TextInputTarget* target)
{
view->hiddenTextField.text = juceStringToNS (target->getTextInRange (Range<int> (0, target->getHighlightedRegion().getStart())));
}
BOOL UIViewComponentPeer::textFieldReplaceCharacters (const Range<int>& range, const String& text)
{
TextInputTarget* const target = findCurrentTextInputTarget();
if (target != 0)
{
const Range<int> currentSelection (target->getHighlightedRegion());
if (range.getLength() == 1 && text.isEmpty()) // (detect backspace)
if (currentSelection.isEmpty())
target->setHighlightedRegion (currentSelection.withStart (currentSelection.getStart() - 1));
target->insertTextAtCaret (text);
updateHiddenTextContent (target);
}
return NO;
}
BOOL UIViewComponentPeer::textFieldShouldClear()
{
TextInputTarget* const target = findCurrentTextInputTarget();
if (target != 0)
{
target->setHighlightedRegion (Range<int> (0, std::numeric_limits<int>::max()));
target->insertTextAtCaret (String::empty);
updateHiddenTextContent (target);
}
return YES;
}
BOOL UIViewComponentPeer::textFieldShouldReturn()
{
TextInputTarget* const target = findCurrentTextInputTarget();
if (target != 0)
{
target->insertTextAtCaret (T("\n"));
updateHiddenTextContent (target);
}
return YES;
}
void UIViewComponentPeer::globalFocusChanged (Component*)
{
TextInputTarget* const target = findCurrentTextInputTarget();
if (target != 0)
{
Component* comp = dynamic_cast<Component*> (target);
Point<int> pos (comp->relativePositionToOtherComponent (component, Point<int>()));
view->hiddenTextField.frame = CGRectMake (pos.getX(), pos.getY(), 0, 0);
updateHiddenTextContent (target);
[view->hiddenTextField becomeFirstResponder];
}
else
{
[view->hiddenTextField resignFirstResponder];
}
}
//==============================================================================
void UIViewComponentPeer::drawRect (CGRect r)