Add basic soft-keyboard support on iOS

Common/System/System.h

@@ -142,6 +142,7 @@ enum SystemProperty {
 	SYSPROP_HAS_IMAGE_BROWSER,
 	SYSPROP_HAS_BACK_BUTTON,
 	SYSPROP_HAS_KEYBOARD,
+	SYSPROP_KEYBOARD_IS_SOFT,
 	SYSPROP_HAS_ACCELEROMETER,  // Used to enable/disable tilt input settings
 	SYSPROP_HAS_OPEN_DIRECTORY,
 	SYSPROP_HAS_LOGIN_DIALOG,

Common/UI/PopupScreens.cpp

@@ -537,6 +537,9 @@ EventReturn PopupTextInputChoice::HandleClick(EventParams &e) {
 	}
 
 	TextEditPopupScreen *popupScreen = new TextEditPopupScreen(value_, placeHolder_, ChopTitle(text_), maxLen_);
+	if (System_GetPropertyBool(SYSPROP_KEYBOARD_IS_SOFT)) {
+		popupScreen->SetAlignTop(true);
+	}
 	popupScreen->OnChange.Handle(this, &PopupTextInputChoice::HandleChange);
 	if (e.v)
 		popupScreen->SetPopupOrigin(e.v);

Common/UI/UIScreen.cpp

@@ -385,10 +385,6 @@ void PopupScreen::SetPopupOrigin(const UI::View *view) {
 	popupOrigin_ = view->GetBounds().Center();
 }
 
-void PopupScreen::SetPopupOffset(float y) {
-	offsetY_ = y;
-}
-
 void PopupScreen::TriggerFinish(DialogResult result) {
 	if (CanComplete(result)) {
 		ignoreInput_ = true;
@@ -411,8 +407,18 @@ void PopupScreen::CreateViews() {
 
 	float yres = screenManager()->getUIContext()->GetBounds().h;
 
-	box_ = new LinearLayout(ORIENT_VERTICAL,
-		new AnchorLayoutParams(PopupWidth(), FillVertical() ? yres - 30 : WRAP_CONTENT, dc.GetBounds().centerX(), dc.GetBounds().centerY() + offsetY_, NONE, NONE, true));
+	AnchorLayoutParams *anchorParams;
+	if (!alignTop_) {
+		// Standard centering etc.
+		anchorParams = new AnchorLayoutParams(PopupWidth(), FillVertical() ? yres - 30 : WRAP_CONTENT,
+			dc.GetBounds().centerX(), dc.GetBounds().centerY() + offsetY_, NONE, NONE, true);
+	} else {
+		// Top-aligned, for dialogs where we need to pop a keyboard below.
+		anchorParams = new AnchorLayoutParams(PopupWidth(), FillVertical() ? yres - 30 : WRAP_CONTENT,
+			NONE, 0, NONE, NONE, false);
+	}
+
+	box_ = new LinearLayout(ORIENT_VERTICAL, anchorParams);
 
 	root_->Add(box_);
 	box_->SetBG(dc.theme->popupStyle.background);

Common/UI/UIScreen.h

@@ -108,7 +108,9 @@ class PopupScreen : public UIDialogScreen {
 	void TriggerFinish(DialogResult result) override;
 
 	void SetPopupOrigin(const UI::View *view);
-	void SetPopupOffset(float y);
+	void SetPopupOffset(float y) { offsetY_ = y; }
+
+	void SetAlignTop(bool alignTop) { alignTop_ = alignTop; }
 
 	void SetHasDropShadow(bool has) { hasDropShadow_ = has; }
 
@@ -144,6 +146,7 @@ class PopupScreen : public UIDialogScreen {
 	bool hasPopupOrigin_ = false;
 	Point popupOrigin_;
 	float offsetY_ = 0.0f;
+	bool alignTop_ = false;
 
 	bool hasDropShadow_ = true;
 };

UI/GameSettingsScreen.cpp

@@ -970,14 +970,7 @@ void GameSettingsScreen::CreateToolsSettings(UI::ViewGroup *tools) {
 
 	tools->Add(new ItemHeader(ms->T("Tools")));
 
-	bool showRetroAchievements = true;
-#if PPSSPP_PLATFORM(IOS_APP_STORE)
-	// Hide RetroAchievements login (unless the user has specified a login via the ini file).
-	// A non-working login won't pass App Store review.
-	if (g_Config.sAchievementsUserName.empty()) {
-		showRetroAchievements = false;
-	}
-#endif
+	const bool showRetroAchievements = true;
 	if (showRetroAchievements) {
 		auto retro = tools->Add(new Choice(sy->T("RetroAchievements")));
 		retro->OnClick.Add([=](UI::EventParams &) -> UI::EventReturn {
@@ -1231,9 +1224,7 @@ void GameSettingsScreen::CreateSystemSettings(UI::ViewGroup *systemSettings) {
 	systemSettings->Add(new PopupMultiChoice(&g_Config.iLanguage, psps->T("Game language"), defaultLanguages, -1, ARRAY_SIZE(defaultLanguages), I18NCat::PSPSETTINGS, screenManager()));
 	static const char *models[] = { "PSP-1000", "PSP-2000/3000" };
 	systemSettings->Add(new PopupMultiChoice(&g_Config.iPSPModel, sy->T("PSP Model"), models, 0, ARRAY_SIZE(models), I18NCat::SYSTEM, screenManager()))->SetEnabled(!PSP_IsInited());
-#if !PPSSPP_PLATFORM(IOS_APP_STORE)
 	systemSettings->Add(new PopupTextInputChoice(GetRequesterToken(), &g_Config.sNickName, sy->T("Change Nickname"), "", 32, screenManager()));
-#endif
 	systemSettings->Add(new CheckBox(&g_Config.bDayLightSavings, sy->T("Day Light Saving")));
 	static const char *dateFormat[] = { "YYYYMMDD", "MMDDYYYY", "DDMMYYYY" };
 	systemSettings->Add(new PopupMultiChoice(&g_Config.iDateFormat, sy->T("Date Format"), dateFormat, 0, ARRAY_SIZE(dateFormat), I18NCat::SYSTEM, screenManager()));

UI/RetroAchievementScreens.cpp

@@ -308,8 +308,6 @@ void RetroAchievementsSettingsScreen::CreateAccountTab(UI::ViewGroup *viewGroup)
 				return UI::EVENT_DONE;
 			});
 		} else {
-			// TODO: For text input on iOS, look into https://stackoverflow.com/questions/7253477/how-to-display-the-iphone-ipad-keyboard-over-a-full-screen-opengl-es-app
-
 			// Hack up a temporary quick login-form-ish-thing
 			viewGroup->Add(new PopupTextInputChoice(GetRequesterToken(), &username_, di->T("Username"), "", 128, screenManager()));
 			viewGroup->Add(new PopupTextInputChoice(GetRequesterToken(), &password_, di->T("Password"), "", 128, screenManager()))->SetPasswordDisplay();

ios/ViewController.h

@@ -10,10 +10,12 @@
 #import "LocationHelper.h"
 
 @interface ViewController : GLKViewController <iCadeEventDelegate,
-            LocationHandlerDelegate, CameraFrameDelegate, UIGestureRecognizerDelegate>
+            LocationHandlerDelegate, CameraFrameDelegate, UIGestureRecognizerDelegate, UIKeyInput>
 
 - (void)shareText:(NSString *)text;
 - (void)shutdown;
+- (void)hideKeyboard;
+- (void)showKeyboard;
 
 @end
 

ios/ViewController.mm

@@ -19,7 +19,7 @@
 #include "Common/GPU/thin3d_create.h"
 #include "Common/GPU/OpenGL/GLRenderManager.h"
 #include "Common/GPU/OpenGL/GLFeatures.h"
-
+#include "Common/Data/Encoding/Utf8.h"
 #include "Common/System/Display.h"
 #include "Common/System/System.h"
 #include "Common/System/OSD.h"
@@ -179,6 +179,11 @@ - (void)viewSafeAreaInsetsDidChange {
 	}
 }
 
+- (void)viewDidAppear:(BOOL)animated {
+	[super viewDidAppear:animated];
+	[self hideKeyboard];
+}
+
 - (void)viewDidLoad {
 	[super viewDidLoad];
 	[[DisplayManager shared] setupDisplayListener];
@@ -763,6 +768,55 @@ -(void) SetGpsDataIOS:(CLLocation *)newLocation {
 					0 /* bearing */);
 }
 
+// The below is inspired by https://stackoverflow.com/questions/7253477/how-to-display-the-iphone-ipad-keyboard-over-a-full-screen-opengl-es-app
+// It's a bit limited but good enough.
+
+-(void) deleteBackward {
+	KeyInput input{};
+	input.deviceId = DEVICE_ID_KEYBOARD;
+	input.flags = KEY_DOWN | KEY_UP;
+	input.keyCode = NKCODE_DEL;
+	NativeKey(input);
+	INFO_LOG(SYSTEM, "Backspace");
+}
+
+-(BOOL) hasText
+{
+	return YES;
+}
+
+-(void) insertText:(NSString *)text
+{
+	std::string str = std::string([text UTF8String]);
+	INFO_LOG(SYSTEM, "Chars: %s", str.c_str());
+	UTF8 chars(str);
+	while (!chars.end()) {
+		uint32_t codePoint = chars.next();
+		KeyInput input{};
+		input.deviceId = DEVICE_ID_KEYBOARD;
+		input.flags = KEY_CHAR;
+		input.unicodeChar = codePoint;
+		NativeKey(input);
+	}
+}
+
+-(BOOL) canBecomeFirstResponder
+{
+	return YES;
+}
+
+-(void) showKeyboard {
+	dispatch_async(dispatch_get_main_queue(), ^{
+		[self becomeFirstResponder];
+	});
+}
+
+-(void) hideKeyboard {
+	dispatch_async(dispatch_get_main_queue(), ^{
+		[self resignFirstResponder];
+	});
+}
+
 @end
 
 void System_LaunchUrl(LaunchUrlType urlType, char const* url)

ios/main.mm

@@ -349,6 +349,11 @@ bool System_GetPropertyBool(SystemProperty prop) {
 			return false;
 		case SYSPROP_HAS_ACCELEROMETER:
 			return true;
+		case SYSPROP_HAS_KEYBOARD:
+			return true;
+		case SYSPROP_KEYBOARD_IS_SOFT:
+			// If a hardware keyboard is connected, and we add support, we could return false here.
+			return true;
 		case SYSPROP_APP_GOLD:
 #ifdef GOLD
 			return true;
@@ -437,6 +442,23 @@ bool System_MakeRequest(SystemRequestType type, int requestId, const std::string
 		[sharedViewController shareText:text];
 		return true;
 	}
+	case SystemRequestType::NOTIFY_UI_EVENT:
+	{
+		switch ((UIEventNotification)param3) {
+		case UIEventNotification::POPUP_CLOSED:
+			[sharedViewController hideKeyboard];
+			break;
+		case UIEventNotification::TEXT_GOTFOCUS:
+			[sharedViewController showKeyboard];
+			break;
+		case UIEventNotification::TEXT_LOSTFOCUS:
+			[sharedViewController hideKeyboard];
+			break;
+		default:
+			break;
+		}
+		return true;
+	}
 /*
 	// Not 100% sure the threading is right
 	case SystemRequestType::COPY_TO_CLIPBOARD: