Add ability to set keyboard focus to specific screens. Needed for searchbar on Mac.

Common/UI/PopupScreens.cpp

@@ -949,6 +949,15 @@ ViewGroup *CreateSoftKeyboard(TextEdit *edit, SoftKeyboardState *state) {
 	return scrollView;
 }
 
+TextEditPopupScreen::TextEditPopupScreen(std::string *value, std::string_view placeholder, std::string_view title, int maxLen)
+		: PopupScreen(title, T(I18NCat::DIALOG, "OK"), T(I18NCat::DIALOG, "Cancel")), value_(value), placeholder_(placeholder), maxLen_(maxLen) {
+	if (!value_) {
+		// Point it to our temporary.
+		value_ = &textEditValue_;
+	}
+}
+
+
 void TextEditPopupScreen::CreatePopupContents(UI::ViewGroup *parent) {
 	using namespace UI;
 	UIContext &dc = *screenManager()->getUIContext();

Common/UI/PopupScreens.h

@@ -233,8 +233,7 @@ ViewGroup *CreateSoftKeyboard(TextEdit *edit, SoftKeyboardState *state);
 
 class TextEditPopupScreen : public PopupScreen {
 public:
-	TextEditPopupScreen(std::string *value, std::string_view placeholder, std::string_view title, int maxLen)
-		: PopupScreen(title, T(I18NCat::DIALOG, "OK"), T(I18NCat::DIALOG, "Cancel")), value_(value), placeholder_(placeholder), maxLen_(maxLen) {}
+	TextEditPopupScreen(std::string *value, std::string_view placeholder, std::string_view title, int maxLen);
 	void CreatePopupContents(ViewGroup *parent) override;
 
 	const char *tag() const override { return "TextEditPopup"; }

Common/UI/Screen.cpp

@@ -15,8 +15,22 @@
 void Screen::focusChanged(ScreenFocusChange focusChange) {
 	const char *eventName = "";
 	switch (focusChange) {
-	case ScreenFocusChange::FOCUS_LOST_TOP: eventName = "FOCUS_LOST_TOP"; break;
-	case ScreenFocusChange::FOCUS_BECAME_TOP: eventName = "FOCUS_BECAME_TOP"; break;
+	case ScreenFocusChange::FOCUS_LOST_TOP:
+	#if !defined(MOBILE_DEVICE)
+		if (WantsTextInput()) {
+			System_NotifyUIEvent(UIEventNotification::TEXT_LOSTFOCUS);
+		}
+	#endif
+		eventName = "FOCUS_LOST_TOP";
+		break;
+	case ScreenFocusChange::FOCUS_BECAME_TOP:
+	#if !defined(MOBILE_DEVICE)
+		if (WantsTextInput()) {
+			System_NotifyUIEvent(UIEventNotification::TEXT_GOTFOCUS);
+		}
+	#endif
+		eventName = "FOCUS_BECAME_TOP";
+		break;
 	}
 	DEBUG_LOG(Log::UI, "Screen %s got %s", this->tag(), eventName);
 }

Common/UI/Screen.h

@@ -113,6 +113,7 @@ public:
 	virtual bool isTopLevel() const { return false; }
 
 	virtual TouchInput transformTouch(const TouchInput &touch) { return touch; }
+	virtual bool WantsTextInput() const { return false; }
 
 protected:
 	int GetRequesterToken();

Common/UI/UIScreen.h

@@ -75,6 +75,7 @@ public:
 	virtual UI::Margins RootMargins() const { return UI::Margins(0); }
 
 	virtual void focusChanged(ScreenFocusChange focusChange) override {
+		Screen::focusChanged(focusChange);
 		modifiersPressed_ = Modifier::NONE;
 	}
 

UI/CwCheatScreen.h

@@ -50,6 +50,8 @@ public:
 
 	const char *tag() const override { return "CwCheat"; }
 
+	bool WantsTextInput() const override { return true; }
+
 protected:
 	void BeforeCreateViews() override;
 	void CreateSettingsViews(UI::ViewGroup *) override;

UI/MainScreen.h

@@ -52,6 +52,7 @@ public:
 
 	bool key(const KeyInput &touch) override;
 
+	bool WantsTextInput() const override { return true; }
 protected:
 	ViewLayoutMode LayoutMode() const override { return ViewLayoutMode::IgnoreBottomInset; }
 

UI/MiscViews.cpp

@@ -325,6 +325,10 @@ void SearchBar::Draw(UIContext &dc) {
 	dc.DrawText(searchFilter_, bounds_.x + leftMargin, bounds_.centerY(), 0xFFFFFFFF, ALIGN_VCENTER);
 }
 
+SearchBar::SearchBar(UI::LayoutParams *params) : UI::InertView(params) {
+	SetVisibility(UI::Visibility::V_GONE);
+}
+
 void SearchBar::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
 	w = 0;
 	h = 0;
@@ -439,7 +443,6 @@ bool ViewSearch::Key(UI::ViewGroup *viewGroup, const KeyInput &input) {
 		const int unichar = input.keyCode;
 		if (unichar >= 0x20 && unichar != 127) {  // 127 gets produced from Ctrl+Backspace on Windows for some reason.
 			// TODO: Save focus state here.
-
 			// Insert it! (todo: do it with a string insert)
 			char buf[8];
 			buf[u8_wc_toutf8(buf, unichar)] = '\0';

UI/MiscViews.h

@@ -103,7 +103,7 @@ void AddRotationPicker(ScreenManager *screenManager, UI::ViewGroup *parent, bool
 
 class SearchBar : public UI::InertView {
 public:
-	SearchBar(UI::LayoutParams *params) : UI::InertView(params) { SetVisibility(UI::Visibility::V_GONE); }
+	SearchBar(UI::LayoutParams *params);
 	void Draw(UIContext &dc) override;
 
 	bool Touch(const TouchInput &input) override;