IOS: Add Keyboard and UI Fixes for Smartkeyboard on IPad Pro.

These have not been compiled or otherwise tested, but are cleaned up
version of code changes from forum user "dottostring" in thread:
http://forums.scummvm.org/viewtopic.php?t=14524

This should add Fake ESC key support replacing the '`' key and add full
support for the Arrow keys.

2 files changed, 41 insertions, 12 deletions

diff --git a/backends/platform/ios7/ios7_keyboard.mm b/backends/platform/ios7/ios7_keyboard.mm
index 9476b96ad4..f6d1b59eaf 100644
--- a/backends/platform/ios7/ios7_keyboard.mm
+++ b/backends/platform/ios7/ios7_keyboard.mm
@@ -46,6 +46,9 @@
 	[self setAutocorrectionType:UITextAutocorrectionTypeNo];
 	[self setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 	[self setEnablesReturnKeyAutomatically:NO];
+	UITextInputAssistantItem* item = [self inputAssistantItem];
+	item.leadingBarButtonGroups = @[];
+	item.trailingBarButtonGroups = @[];
 
 	return self;
 }
@@ -63,6 +66,31 @@
 	return self;
 }
 
+- (NSArray *)keyCommands {
+	UIKeyCommand *upArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputUpArrow modifierFlags: 0 action: @selector(upArrow:)];
+	UIKeyCommand *downArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputDownArrow modifierFlags: 0 action: @selector(downArrow:)];
+	UIKeyCommand *leftArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputLeftArrow modifierFlags: 0 action: @selector(leftArrow:)];
+	UIKeyCommand *rightArrow = [UIKeyCommand keyCommandWithInput: UIKeyInputRightArrow modifierFlags: 0 action: @selector(rightArrow:)];
+	return [[NSArray alloc] initWithObjects: upArrow, downArrow, leftArrow, rightArrow, nil];
+}
+
+- (void) upArrow: (UIKeyCommand *) keyCommand {
+//	[self resignFirstResponder];
+	[softKeyboard handleKeyPress:273];
+}
+
+- (void) downArrow: (UIKeyCommand *) keyCommand {
+	[softKeyboard handleKeyPress:274];
+}
+
+- (void) leftArrow: (UIKeyCommand *) keyCommand {
+	[softKeyboard handleKeyPress:276];
+}
+
+- (void) rightArrow: (UIKeyCommand *) keyCommand {
+	[softKeyboard handleKeyPress:275];
+}
+
 - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
 	unichar c;
 	if (text.length) {
diff --git a/backends/platform/ios7/ios7_video.mm b/backends/platform/ios7/ios7_video.mm
index 85a4dc91d8..ee558a16c1 100644
--- a/backends/platform/ios7/ios7_video.mm
+++ b/backends/platform/ios7/ios7_video.mm
@@ -720,6 +720,14 @@ uint getSizeNextPOT(uint size) {
 		screenHeight = MAX(_renderBufferWidth, _renderBufferHeight);
 	}
 
+	if (_keyboardView == nil) {
+		_keyboardView = [[SoftKeyboard alloc] initWithFrame:CGRectZero];
+		[_keyboardView setInputDelegate:self];
+		[self addSubview:[_keyboardView inputView]];
+		[self addSubview: _keyboardView];
+		[_keyboardView showKeyboard];
+	}
+
 	glBindRenderbuffer(GL_RENDERBUFFER, _viewRenderbuffer); printOpenGLError();
 
 	[self clearColorBuffer];
@@ -761,8 +769,6 @@ uint getSizeNextPOT(uint size) {
 			yOffset = (screenHeight - rectHeight) / 2;
 		}
 
-		[_keyboardView hideKeyboard];
-
 		//printf("Rect: %i, %i, %i, %i\n", xOffset, yOffset, rectWidth, rectHeight);
 		_gameScreenRect = CGRectMake(xOffset, yOffset, rectWidth, rectHeight);
 		overlayPortraitRatio = 1.0f;
@@ -772,15 +778,6 @@ uint getSizeNextPOT(uint size) {
 		//printf("Making rect (%u, %u)\n", screenWidth, height);
 		_gameScreenRect = CGRectMake(0, 0, screenWidth, height);
 
-		CGRect keyFrame = CGRectMake(0.0f, 0.0f, 0.0f, 0.0f);
-		if (_keyboardView == nil) {
-			_keyboardView = [[SoftKeyboard alloc] initWithFrame:keyFrame];
-			[_keyboardView setInputDelegate:self];
-			[self addSubview:[_keyboardView inputView]];
-			[self addSubview: _keyboardView];
-		}
-
-		[_keyboardView showKeyboard];
 		overlayPortraitRatio = (_videoContext.overlayHeight * ratio) / _videoContext.overlayWidth;
 	}
 	_overlayRect = CGRectMake(0, 0, screenWidth, screenHeight * overlayPortraitRatio);
@@ -981,7 +978,11 @@ uint getSizeNextPOT(uint size) {
 }
 
 - (void)handleKeyPress:(unichar)c {
-	[self addEvent:InternalEvent(kInputKeyPressed, c, 0)];
+	if (c == '`') {
+		[self addEvent:InternalEvent(kInputKeyPressed, '\E', 0)];
+	} else {
+		[self addEvent:InternalEvent(kInputKeyPressed, c, 0)];
+	}
 }
 
 - (void)applicationSuspend {