IOS7: Use scrollview for keyboard accessory view

This allows to have more buttons than what can be displayed on the
screen, and now to have all the same buttons on iPhone and on iPad.

1 files changed, 50 insertions, 52 deletions

diff --git a/backends/platform/ios7/ios7_keyboard.mm b/backends/platform/ios7/ios7_keyboard.mm
index 1d25161600..6b50252a44 100644
--- a/backends/platform/ios7/ios7_keyboard.mm
+++ b/backends/platform/ios7/ios7_keyboard.mm
@@ -31,9 +31,12 @@
 
 @interface TextInputHandler : UITextView {
 	SoftKeyboard *softKeyboard;
+	UIToolbar *toolbar;
+	UIScrollView *scrollView;
 }
 
 - (id)initWithKeyboard:(SoftKeyboard *)keyboard;
+- (void)updateToolbarSize;
 
 @end
 
@@ -51,69 +54,63 @@
 	//item.leadingBarButtonGroups = @[];
 	//item.trailingBarButtonGroups = @[];
 
-	UIToolbar *toolbar = [[[UIToolbar alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 0.0f, 0.0f)] autorelease];
+	toolbar = [[[UIToolbar alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 0.0f, 0.0f)] autorelease];
 	toolbar.barTintColor = keyboard.backgroundColor;
 	toolbar.tintColor = keyboard.tintColor;
 	toolbar.translucent = NO;
 
-	if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
-		toolbar.items = @[
-			// GMM button
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u2630" style:UIBarButtonItemStylePlain target:self action:@selector(mainMenuKey)] autorelease],
-			// Escape key
-			[[[UIBarButtonItem alloc] initWithTitle:@"Esc" style:UIBarButtonItemStylePlain target:self action:@selector(escapeKey)] autorelease],
-			// Return key
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u23ce" style:UIBarButtonItemStylePlain target:self action:@selector(returnKey)] autorelease],
-			// Function keys
-			[[[UIBarButtonItem alloc] initWithTitle:@"F1" style:UIBarButtonItemStylePlain target:self action:@selector(fn1Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F2" style:UIBarButtonItemStylePlain target:self action:@selector(fn2Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F3" style:UIBarButtonItemStylePlain target:self action:@selector(fn3Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F4" style:UIBarButtonItemStylePlain target:self action:@selector(fn4Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F5" style:UIBarButtonItemStylePlain target:self action:@selector(fn5Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F6" style:UIBarButtonItemStylePlain target:self action:@selector(fn6Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F7" style:UIBarButtonItemStylePlain target:self action:@selector(fn7Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F8" style:UIBarButtonItemStylePlain target:self action:@selector(fn8Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F9" style:UIBarButtonItemStylePlain target:self action:@selector(fn9Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F10" style:UIBarButtonItemStylePlain target:self action:@selector(fn10Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F11" style:UIBarButtonItemStylePlain target:self action:@selector(fn11Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F12" style:UIBarButtonItemStylePlain target:self action:@selector(fn12Key)] autorelease],
-			// Arrow keys
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u2190" style:UIBarButtonItemStylePlain target:self action:@selector(leftArrowKey)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u2191" style:UIBarButtonItemStylePlain target:self action:@selector(upArrowKey)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u2192" style:UIBarButtonItemStylePlain target:self action:@selector(rightArrowKey)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u2193" style:UIBarButtonItemStylePlain target:self action:@selector(downArrowKey)] autorelease],
-			// Spacer at the end
-			[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil] autorelease],
-		];
-	} else {
-		// There is less space, so only add buttons for keys for which we do not have getsures
-		toolbar.items = @[
-			// Return key
-			[[[UIBarButtonItem alloc] initWithTitle:@"\u23ce" style:UIBarButtonItemStylePlain target:self action:@selector(returnKey)] autorelease],
-			// Function keys
-			[[[UIBarButtonItem alloc] initWithTitle:@"F1" style:UIBarButtonItemStylePlain target:self action:@selector(fn1Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F2" style:UIBarButtonItemStylePlain target:self action:@selector(fn2Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F3" style:UIBarButtonItemStylePlain target:self action:@selector(fn3Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F4" style:UIBarButtonItemStylePlain target:self action:@selector(fn4Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F5" style:UIBarButtonItemStylePlain target:self action:@selector(fn5Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F6" style:UIBarButtonItemStylePlain target:self action:@selector(fn6Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F7" style:UIBarButtonItemStylePlain target:self action:@selector(fn7Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F8" style:UIBarButtonItemStylePlain target:self action:@selector(fn8Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F9" style:UIBarButtonItemStylePlain target:self action:@selector(fn9Key)] autorelease],
-			[[[UIBarButtonItem alloc] initWithTitle:@"F10" style:UIBarButtonItemStylePlain target:self action:@selector(fn10Key)] autorelease],
-//			[[[UIBarButtonItem alloc] initWithTitle:@"F11" style:UIBarButtonItemStylePlain target:self action:@selector(fn11Key)] autorelease],
-//			[[[UIBarButtonItem alloc] initWithTitle:@"F12" style:UIBarButtonItemStylePlain target:self action:@selector(fn12Key)] autorelease],
-			// Spacer at the end
-			[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil] autorelease],
-		];
-	}
+	toolbar.items = @[
+		// GMM button
+		[[[UIBarButtonItem alloc] initWithTitle:@"\u2630" style:UIBarButtonItemStylePlain target:self action:@selector(mainMenuKey)] autorelease],
+		// Escape key
+		[[[UIBarButtonItem alloc] initWithTitle:@"Esc" style:UIBarButtonItemStylePlain target:self action:@selector(escapeKey)] autorelease],
+		// Return key
+		[[[UIBarButtonItem alloc] initWithTitle:@"\u23ce" style:UIBarButtonItemStylePlain target:self action:@selector(returnKey)] autorelease],
+		// Function keys
+		[[[UIBarButtonItem alloc] initWithTitle:@"F1" style:UIBarButtonItemStylePlain target:self action:@selector(fn1Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F2" style:UIBarButtonItemStylePlain target:self action:@selector(fn2Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F3" style:UIBarButtonItemStylePlain target:self action:@selector(fn3Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F4" style:UIBarButtonItemStylePlain target:self action:@selector(fn4Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F5" style:UIBarButtonItemStylePlain target:self action:@selector(fn5Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F6" style:UIBarButtonItemStylePlain target:self action:@selector(fn6Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F7" style:UIBarButtonItemStylePlain target:self action:@selector(fn7Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F8" style:UIBarButtonItemStylePlain target:self action:@selector(fn8Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F9" style:UIBarButtonItemStylePlain target:self action:@selector(fn9Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F10" style:UIBarButtonItemStylePlain target:self action:@selector(fn10Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F11" style:UIBarButtonItemStylePlain target:self action:@selector(fn11Key)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"F12" style:UIBarButtonItemStylePlain target:self action:@selector(fn12Key)] autorelease],
+		// Arrow keys
+		[[[UIBarButtonItem alloc] initWithTitle:@"\u2190" style:UIBarButtonItemStylePlain target:self action:@selector(leftArrowKey)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"\u2191" style:UIBarButtonItemStylePlain target:self action:@selector(upArrowKey)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"\u2192" style:UIBarButtonItemStylePlain target:self action:@selector(rightArrowKey)] autorelease],
+		[[[UIBarButtonItem alloc] initWithTitle:@"\u2193" style:UIBarButtonItemStylePlain target:self action:@selector(downArrowKey)] autorelease],
+		// Spacer at the end
+		[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil] autorelease],
+	];
 
 	self.inputAccessoryView = toolbar;
 	[toolbar sizeToFit];
 
+	scrollView = [[UIScrollView alloc] init];
+	scrollView.frame = toolbar.frame;
+	scrollView.bounds = toolbar.bounds;
+	scrollView.autoresizingMask = toolbar.autoresizingMask;
+	scrollView.showsVerticalScrollIndicator = false;
+	scrollView.showsHorizontalScrollIndicator = false;
+	toolbar.autoresizingMask = UIViewAutoresizingNone;
+	[scrollView addSubview:toolbar];
+	self.inputAccessoryView = scrollView;
+
 	return self;
 }
 
+- (void)updateToolbarSize {
+	// We need at least a width of 768 pt for the toolbar. If we add more buttons this may need to be increased.
+	toolbar.frame = CGRectMake(0, 0, MAX(768, [[UIScreen mainScreen] bounds].size.width), toolbar.frame.size.height);
+	toolbar.bounds = toolbar.frame;
+	scrollView.contentSize = toolbar.frame.size;
+}
+
 - (NSArray *)keyCommands {
 	UIKeyCommand *upArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputUpArrow modifierFlags: 0 action: @selector(upArrow:)];
 	UIKeyCommand *downArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputDownArrow modifierFlags: 0 action: @selector(downArrow:)];
@@ -256,6 +253,7 @@
 }
 
 - (void)showKeyboard {
+	[inputView updateToolbarSize];
 	[inputView becomeFirstResponder];
 }