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JUCE/modules/juce_gui_basics/native/juce_ios_UIViewComponentPeer.mm
2011-08-13 21:13:50 +01:00

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/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-11 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
class UIViewComponentPeer;
//==============================================================================
END_JUCE_NAMESPACE
#define JuceUIView MakeObjCClassName(JuceUIView)
@interface JuceUIView : UIView <UITextViewDelegate>
{
@public
UIViewComponentPeer* owner;
UITextView* hiddenTextView;
}
- (JuceUIView*) initWithOwner: (UIViewComponentPeer*) owner withFrame: (CGRect) frame;
- (void) dealloc;
- (void) drawRect: (CGRect) r;
- (void) touchesBegan: (NSSet*) touches withEvent: (UIEvent*) event;
- (void) touchesMoved: (NSSet*) touches withEvent: (UIEvent*) event;
- (void) touchesEnded: (NSSet*) touches withEvent: (UIEvent*) event;
- (void) touchesCancelled: (NSSet*) touches withEvent: (UIEvent*) event;
- (BOOL) becomeFirstResponder;
- (BOOL) resignFirstResponder;
- (BOOL) canBecomeFirstResponder;
- (void) asyncRepaint: (id) rect;
- (BOOL) textView: (UITextView*) textView shouldChangeTextInRange: (NSRange) range replacementText: (NSString*) text;
@end
#define JuceUIViewController MakeObjCClassName(JuceUIViewController)
@interface JuceUIViewController : UIViewController
{
}
- (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation) interfaceOrientation;
- (void) didRotateFromInterfaceOrientation: (UIInterfaceOrientation) fromInterfaceOrientation;
@end
//==============================================================================
#define JuceUIWindow MakeObjCClassName(JuceUIWindow)
@interface JuceUIWindow : UIWindow
{
@private
UIViewComponentPeer* owner;
bool isZooming;
}
- (void) setOwner: (UIViewComponentPeer*) owner;
- (void) becomeKeyWindow;
@end
BEGIN_JUCE_NAMESPACE
//==============================================================================
class UIViewComponentPeer : public ComponentPeer,
public FocusChangeListener
{
public:
UIViewComponentPeer (Component* const component,
const int windowStyleFlags,
UIView* viewToAttachTo);
~UIViewComponentPeer();
//==============================================================================
void* getNativeHandle() const;
void setVisible (bool shouldBeVisible);
void setTitle (const String& title);
void setPosition (int x, int y);
void setSize (int w, int h);
void setBounds (int x, int y, int w, int h, bool isNowFullScreen);
const Rectangle<int> getBounds() const;
const Rectangle<int> getBounds (const bool global) const;
const Point<int> getScreenPosition() const;
const Point<int> localToGlobal (const Point<int>& relativePosition);
const Point<int> globalToLocal (const Point<int>& screenPosition);
void setAlpha (float newAlpha);
void setMinimised (bool shouldBeMinimised);
bool isMinimised() const;
void setFullScreen (bool shouldBeFullScreen);
bool isFullScreen() const;
bool contains (const Point<int>& position, bool trueIfInAChildWindow) const;
const BorderSize<int> getFrameSize() const;
bool setAlwaysOnTop (bool alwaysOnTop);
void toFront (bool makeActiveWindow);
void toBehind (ComponentPeer* other);
void setIcon (const Image& newIcon);
virtual void drawRect (CGRect r);
virtual bool canBecomeKeyWindow();
virtual bool windowShouldClose();
virtual void redirectMovedOrResized();
virtual CGRect constrainRect (CGRect r);
//==============================================================================
virtual void viewFocusGain();
virtual void viewFocusLoss();
bool isFocused() const;
void grabFocus();
void textInputRequired (const Point<int>& position);
virtual BOOL textViewReplaceCharacters (const Range<int>& range, const String& text);
void updateHiddenTextContent (TextInputTarget* target);
void globalFocusChanged (Component*);
virtual BOOL shouldRotate (UIInterfaceOrientation interfaceOrientation);
virtual void displayRotated();
void handleTouches (UIEvent* e, bool isDown, bool isUp, bool isCancel);
//==============================================================================
void repaint (const Rectangle<int>& area);
void performAnyPendingRepaintsNow();
//==============================================================================
UIWindow* window;
JuceUIView* view;
JuceUIViewController* controller;
bool isSharedWindow, fullScreen, insideDrawRect;
static ModifierKeys currentModifiers;
static int64 getMouseTime (UIEvent* e)
{
return (Time::currentTimeMillis() - Time::getMillisecondCounter())
+ (int64) ([e timestamp] * 1000.0);
}
static const Rectangle<int> rotatedScreenPosToReal (const Rectangle<int>& r)
{
const Rectangle<int> screen (convertToRectInt ([[UIScreen mainScreen] bounds]));
switch ([[UIApplication sharedApplication] statusBarOrientation])
{
case UIInterfaceOrientationPortrait:
return r;
case UIInterfaceOrientationPortraitUpsideDown:
return Rectangle<int> (screen.getWidth() - r.getRight(), screen.getHeight() - r.getBottom(),
r.getWidth(), r.getHeight());
case UIInterfaceOrientationLandscapeLeft:
return Rectangle<int> (r.getY(), screen.getHeight() - r.getRight(),
r.getHeight(), r.getWidth());
case UIInterfaceOrientationLandscapeRight:
return Rectangle<int> (screen.getWidth() - r.getBottom(), r.getX(),
r.getHeight(), r.getWidth());
default: jassertfalse; // unknown orientation!
}
return r;
}
static const Rectangle<int> realScreenPosToRotated (const Rectangle<int>& r)
{
const Rectangle<int> screen (convertToRectInt ([[UIScreen mainScreen] bounds]));
switch ([[UIApplication sharedApplication] statusBarOrientation])
{
case UIInterfaceOrientationPortrait:
return r;
case UIInterfaceOrientationPortraitUpsideDown:
return Rectangle<int> (screen.getWidth() - r.getRight(), screen.getHeight() - r.getBottom(),
r.getWidth(), r.getHeight());
case UIInterfaceOrientationLandscapeLeft:
return Rectangle<int> (screen.getHeight() - r.getBottom(), r.getX(),
r.getHeight(), r.getWidth());
case UIInterfaceOrientationLandscapeRight:
return Rectangle<int> (r.getY(), screen.getWidth() - r.getRight(),
r.getHeight(), r.getWidth());
default: jassertfalse; // unknown orientation!
}
return r;
}
Array <UITouch*> currentTouches;
private:
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (UIViewComponentPeer);
};
//==============================================================================
END_JUCE_NAMESPACE
@implementation JuceUIViewController
- (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation) interfaceOrientation
{
JuceUIView* juceView = (JuceUIView*) [self view];
jassert (juceView != nil && juceView->owner != nullptr);
return juceView->owner->shouldRotate (interfaceOrientation);
}
- (void) didRotateFromInterfaceOrientation: (UIInterfaceOrientation) fromInterfaceOrientation
{
JuceUIView* juceView = (JuceUIView*) [self view];
jassert (juceView != nil && juceView->owner != nullptr);
juceView->owner->displayRotated();
}
@end
@implementation JuceUIView
- (JuceUIView*) initWithOwner: (UIViewComponentPeer*) owner_
withFrame: (CGRect) frame
{
[super initWithFrame: frame];
owner = owner_;
hiddenTextView = [[UITextView alloc] initWithFrame: CGRectMake (0, 0, 0, 0)];
[self addSubview: hiddenTextView];
hiddenTextView.delegate = self;
hiddenTextView.autocapitalizationType = UITextAutocapitalizationTypeNone;
hiddenTextView.autocorrectionType = UITextAutocorrectionTypeNo;
return self;
}
- (void) dealloc
{
[hiddenTextView removeFromSuperview];
[hiddenTextView release];
[super dealloc];
}
//==============================================================================
- (void) drawRect: (CGRect) r
{
if (owner != nullptr)
owner->drawRect (r);
}
//==============================================================================
bool KeyPress::isKeyCurrentlyDown (const int keyCode)
{
return false;
}
ModifierKeys UIViewComponentPeer::currentModifiers;
ModifierKeys ModifierKeys::getCurrentModifiersRealtime() noexcept
{
return UIViewComponentPeer::currentModifiers;
}
void ModifierKeys::updateCurrentModifiers() noexcept
{
currentModifiers = UIViewComponentPeer::currentModifiers;
}
juce::Point<int> juce_lastMousePos;
//==============================================================================
- (void) touchesBegan: (NSSet*) touches withEvent: (UIEvent*) event
{
if (owner != nullptr)
owner->handleTouches (event, true, false, false);
}
- (void) touchesMoved: (NSSet*) touches withEvent: (UIEvent*) event
{
if (owner != nullptr)
owner->handleTouches (event, false, false, false);
}
- (void) touchesEnded: (NSSet*) touches withEvent: (UIEvent*) event
{
if (owner != nullptr)
owner->handleTouches (event, false, true, false);
}
- (void) touchesCancelled: (NSSet*) touches withEvent: (UIEvent*) event
{
if (owner != nullptr)
owner->handleTouches (event, false, true, true);
[self touchesEnded: touches withEvent: event];
}
//==============================================================================
- (BOOL) becomeFirstResponder
{
if (owner != nullptr)
owner->viewFocusGain();
return true;
}
- (BOOL) resignFirstResponder
{
if (owner != nullptr)
owner->viewFocusLoss();
return true;
}
- (BOOL) canBecomeFirstResponder
{
return owner != nullptr && owner->canBecomeKeyWindow();
}
- (void) asyncRepaint: (id) rect
{
CGRect* r = (CGRect*) [((NSData*) rect) bytes];
[self setNeedsDisplayInRect: *r];
}
- (BOOL) textView: (UITextView*) textView shouldChangeTextInRange: (NSRange) range replacementText: (NSString*) text
{
return owner->textViewReplaceCharacters (Range<int> (range.location, range.location + range.length),
nsStringToJuce (text));
}
@end
//==============================================================================
@implementation JuceUIWindow
- (void) setOwner: (UIViewComponentPeer*) owner_
{
owner = owner_;
isZooming = false;
}
- (void) becomeKeyWindow
{
[super becomeKeyWindow];
if (owner != nullptr)
owner->grabFocus();
}
@end
//==============================================================================
//==============================================================================
BEGIN_JUCE_NAMESPACE
//==============================================================================
UIViewComponentPeer::UIViewComponentPeer (Component* const component,
const int windowStyleFlags,
UIView* viewToAttachTo)
: ComponentPeer (component, windowStyleFlags),
window (nil),
view (nil),
controller (nil),
isSharedWindow (viewToAttachTo != nil),
fullScreen (false),
insideDrawRect (false)
{
CGRect r = convertToCGRect (component->getLocalBounds());
view = [[JuceUIView alloc] initWithOwner: this withFrame: r];
if (isSharedWindow)
{
window = [viewToAttachTo window];
[viewToAttachTo addSubview: view];
setVisible (component->isVisible());
}
else
{
controller = [[JuceUIViewController alloc] init];
controller.view = view;
r = convertToCGRect (rotatedScreenPosToReal (component->getBounds()));
r.origin.y = [[UIScreen mainScreen] bounds].size.height - (r.origin.y + r.size.height);
window = [[JuceUIWindow alloc] init];
window.frame = r;
window.opaque = component->isOpaque();
view.opaque = component->isOpaque();
window.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent: 0];
view.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent: 0];
[((JuceUIWindow*) window) setOwner: this];
if (component->isAlwaysOnTop())
window.windowLevel = UIWindowLevelAlert;
[window addSubview: view];
view.frame = CGRectMake (0, 0, r.size.width, r.size.height);
view.hidden = ! component->isVisible();
window.hidden = ! component->isVisible();
view.multipleTouchEnabled = YES;
}
setTitle (component->getName());
Desktop::getInstance().addFocusChangeListener (this);
}
UIViewComponentPeer::~UIViewComponentPeer()
{
Desktop::getInstance().removeFocusChangeListener (this);
view->owner = nullptr;
[view removeFromSuperview];
[view release];
[controller release];
if (! isSharedWindow)
{
[((JuceUIWindow*) window) setOwner: 0];
[window release];
}
}
//==============================================================================
void* UIViewComponentPeer::getNativeHandle() const
{
return view;
}
void UIViewComponentPeer::setVisible (bool shouldBeVisible)
{
view.hidden = ! shouldBeVisible;
if (! isSharedWindow)
window.hidden = ! shouldBeVisible;
}
void UIViewComponentPeer::setTitle (const String& title)
{
// xxx is this possible?
}
void UIViewComponentPeer::setPosition (int x, int y)
{
setBounds (x, y, component->getWidth(), component->getHeight(), false);
}
void UIViewComponentPeer::setSize (int w, int h)
{
setBounds (component->getX(), component->getY(), w, h, false);
}
void UIViewComponentPeer::setBounds (int x, int y, int w, int h, const bool isNowFullScreen)
{
fullScreen = isNowFullScreen;
w = jmax (0, w);
h = jmax (0, h);
if (isSharedWindow)
{
CGRect r = CGRectMake ((float) x, (float) y, (float) w, (float) h);
if ([view frame].size.width != r.size.width
|| [view frame].size.height != r.size.height)
[view setNeedsDisplay];
view.frame = r;
}
else
{
const Rectangle<int> bounds (rotatedScreenPosToReal (Rectangle<int> (x, y, w, h)));
window.frame = convertToCGRect (bounds);
view.frame = CGRectMake (0, 0, (float) bounds.getWidth(), (float) bounds.getHeight());
handleMovedOrResized();
}
}
const Rectangle<int> UIViewComponentPeer::getBounds (const bool global) const
{
CGRect r = [view frame];
if (global && [view window] != nil)
{
r = [view convertRect: r toView: nil];
CGRect wr = [[view window] frame];
const Rectangle<int> windowBounds (realScreenPosToRotated (convertToRectInt (wr)));
r.origin.x = windowBounds.getX();
r.origin.y = windowBounds.getY();
}
return convertToRectInt (r);
}
const Rectangle<int> UIViewComponentPeer::getBounds() const
{
return getBounds (! isSharedWindow);
}
const Point<int> UIViewComponentPeer::getScreenPosition() const
{
return getBounds (true).getPosition();
}
const Point<int> UIViewComponentPeer::localToGlobal (const Point<int>& relativePosition)
{
return relativePosition + getScreenPosition();
}
const Point<int> UIViewComponentPeer::globalToLocal (const Point<int>& screenPosition)
{
return screenPosition - getScreenPosition();
}
CGRect UIViewComponentPeer::constrainRect (CGRect r)
{
if (constrainer != nullptr)
{
CGRect current = [window frame];
current.origin.y = [[UIScreen mainScreen] bounds].size.height - current.origin.y - current.size.height;
r.origin.y = [[UIScreen mainScreen] bounds].size.height - r.origin.y - r.size.height;
Rectangle<int> pos (convertToRectInt (r));
Rectangle<int> original (convertToRectInt (current));
constrainer->checkBounds (pos, original,
Desktop::getInstance().getAllMonitorDisplayAreas().getBounds(),
pos.getY() != original.getY() && pos.getBottom() == original.getBottom(),
pos.getX() != original.getX() && pos.getRight() == original.getRight(),
pos.getY() == original.getY() && pos.getBottom() != original.getBottom(),
pos.getX() == original.getX() && pos.getRight() != original.getRight());
r.origin.x = pos.getX();
r.origin.y = [[UIScreen mainScreen] bounds].size.height - r.size.height - pos.getY();
r.size.width = pos.getWidth();
r.size.height = pos.getHeight();
}
return r;
}
void UIViewComponentPeer::setAlpha (float newAlpha)
{
[[view window] setAlpha: (CGFloat) newAlpha];
}
void UIViewComponentPeer::setMinimised (bool shouldBeMinimised)
{
}
bool UIViewComponentPeer::isMinimised() const
{
return false;
}
void UIViewComponentPeer::setFullScreen (bool shouldBeFullScreen)
{
if (! isSharedWindow)
{
Rectangle<int> r (shouldBeFullScreen ? Desktop::getInstance().getMainMonitorArea()
: lastNonFullscreenBounds);
if ((! shouldBeFullScreen) && r.isEmpty())
r = getBounds();
// (can't call the component's setBounds method because that'll reset our fullscreen flag)
if (! r.isEmpty())
setBounds (r.getX(), r.getY(), r.getWidth(), r.getHeight(), shouldBeFullScreen);
component->repaint();
}
}
bool UIViewComponentPeer::isFullScreen() const
{
return fullScreen;
}
namespace
{
Desktop::DisplayOrientation convertToJuceOrientation (UIInterfaceOrientation interfaceOrientation)
{
switch (interfaceOrientation)
{
case UIInterfaceOrientationPortrait: return Desktop::upright;
case UIInterfaceOrientationPortraitUpsideDown: return Desktop::upsideDown;
case UIInterfaceOrientationLandscapeLeft: return Desktop::rotatedClockwise;
case UIInterfaceOrientationLandscapeRight: return Desktop::rotatedAntiClockwise;
default: jassertfalse; // unknown orientation!
}
return Desktop::upright;
}
}
BOOL UIViewComponentPeer::shouldRotate (UIInterfaceOrientation interfaceOrientation)
{
return Desktop::getInstance().isOrientationEnabled (convertToJuceOrientation (interfaceOrientation));
}
void UIViewComponentPeer::displayRotated()
{
const Rectangle<int> oldArea (component->getBounds());
const Rectangle<int> oldDesktop (Desktop::getInstance().getMainMonitorArea());
Desktop::getInstance().refreshMonitorSizes();
if (fullScreen)
{
fullScreen = false;
setFullScreen (true);
}
else
{
const float l = oldArea.getX() / (float) oldDesktop.getWidth();
const float r = oldArea.getRight() / (float) oldDesktop.getWidth();
const float t = oldArea.getY() / (float) oldDesktop.getHeight();
const float b = oldArea.getBottom() / (float) oldDesktop.getHeight();
const Rectangle<int> newDesktop (Desktop::getInstance().getMainMonitorArea());
setBounds ((int) (l * newDesktop.getWidth()),
(int) (t * newDesktop.getHeight()),
(int) ((r - l) * newDesktop.getWidth()),
(int) ((b - t) * newDesktop.getHeight()),
false);
}
}
bool UIViewComponentPeer::contains (const Point<int>& position, bool trueIfInAChildWindow) const
{
if (! (isPositiveAndBelow (position.getX(), component->getWidth())
&& isPositiveAndBelow (position.getY(), component->getHeight())))
return false;
UIView* v = [view hitTest: CGPointMake ((float) position.getX(), (float) position.getY())
withEvent: nil];
if (trueIfInAChildWindow)
return v != nil;
return v == view;
}
const BorderSize<int> UIViewComponentPeer::getFrameSize() const
{
return BorderSize<int>();
}
bool UIViewComponentPeer::setAlwaysOnTop (bool alwaysOnTop)
{
if (! isSharedWindow)
window.windowLevel = alwaysOnTop ? UIWindowLevelAlert : UIWindowLevelNormal;
return true;
}
void UIViewComponentPeer::toFront (bool makeActiveWindow)
{
if (isSharedWindow)
[[view superview] bringSubviewToFront: view];
if (window != nil && component->isVisible())
[window makeKeyAndVisible];
}
void UIViewComponentPeer::toBehind (ComponentPeer* other)
{
UIViewComponentPeer* const otherPeer = dynamic_cast <UIViewComponentPeer*> (other);
jassert (otherPeer != nullptr); // wrong type of window?
if (otherPeer != nullptr)
{
if (isSharedWindow)
{
[[view superview] insertSubview: view belowSubview: otherPeer->view];
}
else
{
jassertfalse; // don't know how to do this
}
}
}
void UIViewComponentPeer::setIcon (const Image& /*newIcon*/)
{
// to do..
}
//==============================================================================
void UIViewComponentPeer::handleTouches (UIEvent* event, const bool isDown, const bool isUp, bool isCancel)
{
NSArray* touches = [[event touchesForView: view] allObjects];
for (unsigned int i = 0; i < [touches count]; ++i)
{
UITouch* touch = [touches objectAtIndex: i];
if ([touch phase] == UITouchPhaseStationary)
continue;
CGPoint p = [touch locationInView: view];
const Point<int> pos ((int) p.x, (int) p.y);
juce_lastMousePos = pos + getScreenPosition();
const int64 time = getMouseTime (event);
int touchIndex = currentTouches.indexOf (touch);
if (touchIndex < 0)
{
for (touchIndex = 0; touchIndex < currentTouches.size(); ++touchIndex)
if (currentTouches.getUnchecked (touchIndex) == nil)
break;
currentTouches.set (touchIndex, touch);
}
ModifierKeys modsToSend (currentModifiers);
if (isDown)
{
if ([touch phase] != UITouchPhaseBegan)
continue;
currentModifiers = currentModifiers.withoutMouseButtons().withFlags (ModifierKeys::leftButtonModifier);
modsToSend = currentModifiers;
// this forces a mouse-enter/up event, in case for some reason we didn't get a mouse-up before.
handleMouseEvent (touchIndex, pos, modsToSend.withoutMouseButtons(), time);
if (! isValidPeer (this)) // (in case this component was deleted by the event)
return;
}
else if (isUp)
{
if (! ([touch phase] == UITouchPhaseEnded || [touch phase] == UITouchPhaseCancelled))
continue;
modsToSend = modsToSend.withoutMouseButtons();
currentTouches.set (touchIndex, nil);
int totalActiveTouches = 0;
for (int j = currentTouches.size(); --j >= 0;)
if (currentTouches.getUnchecked(j) != nil)
++totalActiveTouches;
if (totalActiveTouches == 0)
isCancel = true;
}
if (isCancel)
{
currentTouches.clear();
currentModifiers = currentModifiers.withoutMouseButtons();
}
handleMouseEvent (touchIndex, pos, modsToSend, time);
if (! isValidPeer (this)) // (in case this component was deleted by the event)
return;
if (isUp || isCancel)
{
handleMouseEvent (touchIndex, Point<int> (-1, -1), currentModifiers, time);
if (! isValidPeer (this))
return;
}
}
}
//==============================================================================
static UIViewComponentPeer* currentlyFocusedPeer = nullptr;
void UIViewComponentPeer::viewFocusGain()
{
if (currentlyFocusedPeer != this)
{
if (ComponentPeer::isValidPeer (currentlyFocusedPeer))
currentlyFocusedPeer->handleFocusLoss();
currentlyFocusedPeer = this;
handleFocusGain();
}
}
void UIViewComponentPeer::viewFocusLoss()
{
if (currentlyFocusedPeer == this)
{
currentlyFocusedPeer = nullptr;
handleFocusLoss();
}
}
bool UIViewComponentPeer::isFocused() const
{
return isSharedWindow ? this == currentlyFocusedPeer
: (window != nil && [window isKeyWindow]);
}
void UIViewComponentPeer::grabFocus()
{
if (window != nil)
{
[window makeKeyWindow];
viewFocusGain();
}
}
void UIViewComponentPeer::textInputRequired (const Point<int>&)
{
}
void UIViewComponentPeer::updateHiddenTextContent (TextInputTarget* target)
{
view->hiddenTextView.text = juceStringToNS (target->getTextInRange (Range<int> (0, target->getHighlightedRegion().getStart())));
view->hiddenTextView.selectedRange = NSMakeRange (target->getHighlightedRegion().getStart(), 0);
}
BOOL UIViewComponentPeer::textViewReplaceCharacters (const Range<int>& range, const String& text)
{
TextInputTarget* const target = findCurrentTextInputTarget();
if (target != nullptr)
{
const Range<int> currentSelection (target->getHighlightedRegion());
if (range.getLength() == 1 && text.isEmpty()) // (detect backspace)
if (currentSelection.isEmpty())
target->setHighlightedRegion (currentSelection.withStart (currentSelection.getStart() - 1));
if (text == "\r" || text == "\n" || text == "\r\n")
handleKeyPress (KeyPress::returnKey, text[0]);
else
target->insertTextAtCaret (text);
updateHiddenTextContent (target);
}
return NO;
}
void UIViewComponentPeer::globalFocusChanged (Component*)
{
TextInputTarget* const target = findCurrentTextInputTarget();
if (target != nullptr)
{
Component* comp = dynamic_cast<Component*> (target);
Point<int> pos (component->getLocalPoint (comp, Point<int>()));
view->hiddenTextView.frame = CGRectMake (pos.getX(), pos.getY(), 0, 0);
updateHiddenTextContent (target);
[view->hiddenTextView becomeFirstResponder];
}
else
{
[view->hiddenTextView resignFirstResponder];
}
}
//==============================================================================
void UIViewComponentPeer::drawRect (CGRect r)
{
if (r.size.width < 1.0f || r.size.height < 1.0f)
return;
CGContextRef cg = UIGraphicsGetCurrentContext();
if (! component->isOpaque())
CGContextClearRect (cg, CGContextGetClipBoundingBox (cg));
CGContextConcatCTM (cg, CGAffineTransformMake (1, 0, 0, -1, 0, view.bounds.size.height));
CoreGraphicsContext g (cg, view.bounds.size.height);
insideDrawRect = true;
handlePaint (g);
insideDrawRect = false;
}
bool UIViewComponentPeer::canBecomeKeyWindow()
{
return (getStyleFlags() & juce::ComponentPeer::windowIgnoresKeyPresses) == 0;
}
bool UIViewComponentPeer::windowShouldClose()
{
if (! isValidPeer (this))
return YES;
handleUserClosingWindow();
return NO;
}
void UIViewComponentPeer::redirectMovedOrResized()
{
handleMovedOrResized();
}
//==============================================================================
void Desktop::setKioskComponent (Component* kioskModeComponent, bool enableOrDisable, bool allowMenusAndBars)
{
// TODO
}
//==============================================================================
class AsyncRepaintMessage : public CallbackMessage
{
public:
UIViewComponentPeer* const peer;
const Rectangle<int> rect;
AsyncRepaintMessage (UIViewComponentPeer* const peer_, const Rectangle<int>& rect_)
: peer (peer_), rect (rect_)
{
}
void messageCallback()
{
if (ComponentPeer::isValidPeer (peer))
peer->repaint (rect);
}
};
void UIViewComponentPeer::repaint (const Rectangle<int>& area)
{
if (insideDrawRect || ! MessageManager::getInstance()->isThisTheMessageThread())
{
(new AsyncRepaintMessage (this, area))->post();
}
else
{
[view setNeedsDisplayInRect: convertToCGRect (area)];
}
}
void UIViewComponentPeer::performAnyPendingRepaintsNow()
{
}
ComponentPeer* Component::createNewPeer (int styleFlags, void* windowToAttachTo)
{
return new UIViewComponentPeer (this, styleFlags, (UIView*) windowToAttachTo);
}
//==============================================================================
const int KeyPress::spaceKey = ' ';
const int KeyPress::returnKey = 0x0d;
const int KeyPress::escapeKey = 0x1b;
const int KeyPress::backspaceKey = 0x7f;
const int KeyPress::leftKey = 0x1000;
const int KeyPress::rightKey = 0x1001;
const int KeyPress::upKey = 0x1002;
const int KeyPress::downKey = 0x1003;
const int KeyPress::pageUpKey = 0x1004;
const int KeyPress::pageDownKey = 0x1005;
const int KeyPress::endKey = 0x1006;
const int KeyPress::homeKey = 0x1007;
const int KeyPress::deleteKey = 0x1008;
const int KeyPress::insertKey = -1;
const int KeyPress::tabKey = 9;
const int KeyPress::F1Key = 0x2001;
const int KeyPress::F2Key = 0x2002;
const int KeyPress::F3Key = 0x2003;
const int KeyPress::F4Key = 0x2004;
const int KeyPress::F5Key = 0x2005;
const int KeyPress::F6Key = 0x2006;
const int KeyPress::F7Key = 0x2007;
const int KeyPress::F8Key = 0x2008;
const int KeyPress::F9Key = 0x2009;
const int KeyPress::F10Key = 0x200a;
const int KeyPress::F11Key = 0x200b;
const int KeyPress::F12Key = 0x200c;
const int KeyPress::F13Key = 0x200d;
const int KeyPress::F14Key = 0x200e;
const int KeyPress::F15Key = 0x200f;
const int KeyPress::F16Key = 0x2010;
const int KeyPress::numberPad0 = 0x30020;
const int KeyPress::numberPad1 = 0x30021;
const int KeyPress::numberPad2 = 0x30022;
const int KeyPress::numberPad3 = 0x30023;
const int KeyPress::numberPad4 = 0x30024;
const int KeyPress::numberPad5 = 0x30025;
const int KeyPress::numberPad6 = 0x30026;
const int KeyPress::numberPad7 = 0x30027;
const int KeyPress::numberPad8 = 0x30028;
const int KeyPress::numberPad9 = 0x30029;
const int KeyPress::numberPadAdd = 0x3002a;
const int KeyPress::numberPadSubtract = 0x3002b;
const int KeyPress::numberPadMultiply = 0x3002c;
const int KeyPress::numberPadDivide = 0x3002d;
const int KeyPress::numberPadSeparator = 0x3002e;
const int KeyPress::numberPadDecimalPoint = 0x3002f;
const int KeyPress::numberPadEquals = 0x30030;
const int KeyPress::numberPadDelete = 0x30031;
const int KeyPress::playKey = 0x30000;
const int KeyPress::stopKey = 0x30001;
const int KeyPress::fastForwardKey = 0x30002;
const int KeyPress::rewindKey = 0x30003;