IOS7: Implement copy to clipboard and paste from clipboard

3 files changed, 44 insertions, 0 deletions

diff --git a/backends/platform/ios7/ios7_osys_main.cpp b/backends/platform/ios7/ios7_osys_main.cpp
index 9b740ca69d..6f69e20d70 100644
--- a/backends/platform/ios7/ios7_osys_main.cpp
+++ b/backends/platform/ios7/ios7_osys_main.cpp
@@ -172,6 +172,7 @@ bool OSystem_iOS7::hasFeature(Feature f) {
 	case kFeatureCursorPalette:
 	case kFeatureFilteringMode:
 	case kFeatureVirtualKeyboard:
+	case kFeatureClipboardSupport:
 		return true;
 
 	default:
diff --git a/backends/platform/ios7/ios7_osys_main.h b/backends/platform/ios7/ios7_osys_main.h
index ca98991f1b..6555125737 100644
--- a/backends/platform/ios7/ios7_osys_main.h
+++ b/backends/platform/ios7/ios7_osys_main.h
@@ -206,6 +206,10 @@ public:
 	virtual void logMessage(LogMessageType::Type type, const char *message);
 	virtual void fatalError() override;
 
+	virtual bool hasTextInClipboard();
+	virtual Common::String getTextFromClipboard();
+	virtual bool setTextInClipboard(const Common::String &text);
+
 protected:
 	void initVideoContext();
 	void updateOutputSurface();
diff --git a/backends/platform/ios7/ios7_osys_video.mm b/backends/platform/ios7/ios7_osys_video.mm
index 20cf687709..05093e5428 100644
--- a/backends/platform/ios7/ios7_osys_video.mm
+++ b/backends/platform/ios7/ios7_osys_video.mm
@@ -28,6 +28,7 @@
 
 #include "graphics/conversion.h"
 #include "backends/platform/ios7/ios7_app_delegate.h"
+#include "common/translation.h"
 
 @interface iOS7AlertHandler : NSObject<UIAlertViewDelegate>
 @end
@@ -603,3 +604,41 @@ void OSystem_iOS7::setShowKeyboard(bool show) {
 bool OSystem_iOS7::isKeyboardShown() const {
 	return [[iOS7AppDelegate iPhoneView] isKeyboardShown];
 }
+
+
+bool OSystem_iOS7::hasTextInClipboard() {
+	return [[UIPasteboard generalPasteboard] containsPasteboardTypes:UIPasteboardTypeListString];
+}
+
+Common::String OSystem_iOS7::getTextFromClipboard() {
+	if (!hasTextInClipboard())
+		return Common::String();
+
+	UIPasteboard *pb = [UIPasteboard generalPasteboard];
+	NSString *str = pb.string;
+	if (str == nil)
+		return Common::String();
+
+	// If translations are supported, use the current TranslationManager charset and otherwise
+	// use ASCII. If the string cannot be represented using the requested encoding we get a null
+	// pointer below, which is fine as ScummVM would not know what to do with the string anyway.
+#ifdef USE_TRANSLATION
+	NSString* encStr = [NSString stringWithCString:TransMan.getCurrentCharset().c_str() encoding:NSASCIIStringEncoding];
+	NSStringEncoding encoding = CFStringConvertEncodingToNSStringEncoding(CFStringConvertIANACharSetNameToEncoding((CFStringRef)encStr));
+#else
+	NSStringEncoding encoding = NSISOLatin1StringEncoding;
+#endif
+	return Common::String([str cStringUsingEncoding:encoding]);
+}
+
+bool OSystem_iOS7::setTextInClipboard(const Common::String &text) {
+#ifdef USE_TRANSLATION
+	NSString* encStr = [NSString stringWithCString:TransMan.getCurrentCharset().c_str() encoding:NSASCIIStringEncoding];
+	NSStringEncoding encoding = CFStringConvertEncodingToNSStringEncoding(CFStringConvertIANACharSetNameToEncoding((CFStringRef)encStr));
+#else
+	NSStringEncoding encoding = NSISOLatin1StringEncoding;
+#endif
+	UIPasteboard *pb = [UIPasteboard generalPasteboard];
+	[pb setString:[NSString stringWithCString:text.c_str() encoding:encoding]];
+	return true;
+}