Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/controls/ctextedit.h

@@ -0,0 +1,122 @@
+// This file is part of VSTGUI. It is subject to the license terms 
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "ctextlabel.h"
+#include "../dispatchlist.h"
+#include "../platform/iplatformtextedit.h"
+#include <functional>
+
+namespace VSTGUI {
+
+using CTextEditStringToValueProc = bool (*) (UTF8StringPtr txt, float& result, void* userData);
+
+//-----------------------------------------------------------------------------
+// CTextEdit Declaration
+//! @brief a text edit control
+/// @ingroup controls
+//-----------------------------------------------------------------------------
+class CTextEdit : public CTextLabel, public IPlatformTextEditCallback
+{
+private:
+	enum StyleEnum
+	{
+		StyleDoubleClick = CParamDisplay::LastStyle,
+	};
+public:
+	using PlatformTextEditPtr = SharedPointer<IPlatformTextEdit>;
+
+	CTextEdit (const CRect& size, IControlListener* listener, int32_t tag, UTF8StringPtr txt = nullptr, CBitmap* background = nullptr, const int32_t style = 0);
+	CTextEdit (const CTextEdit& textEdit);
+
+	enum Style
+	{
+		kDoubleClickStyle = 1 << StyleDoubleClick,
+	};
+
+	bool isDoubleClickStyle () const { return hasBit (getStyle (), kDoubleClickStyle); }
+
+	//-----------------------------------------------------------------------------
+	/// @name CTextEdit Methods
+	//-----------------------------------------------------------------------------
+	//@{
+	using StringToValueUserData = CTextEdit;
+
+	using StringToValueFunction = std::function<bool(UTF8StringPtr txt, float& result, CTextEdit* textEdit)>;
+	
+	void setStringToValueFunction (const StringToValueFunction& stringToValueFunc);
+	void setStringToValueFunction (StringToValueFunction&& stringToValueFunc);
+	
+	/** enable/disable immediate text change behaviour */
+	virtual void setImmediateTextChange (bool state);
+	/** get immediate text change behaviour */
+	bool getImmediateTextChange () const { return immediateTextChange; }
+
+	/** enable/disable secure style */
+	void setSecureStyle (bool state);
+	/** get secure style */
+	bool getSecureStyle () const;
+	
+	virtual void setPlaceholderString (const UTF8String& str);
+	const UTF8String& getPlaceholderString () const { return placeholderString; }
+
+	void registerTextEditListener (ITextEditListener* listener);
+	void unregisterTextEditListener (ITextEditListener* listener);
+	//@}
+
+	// overrides
+	void setText (const UTF8String& txt) override;
+	void valueChanged () override;
+	void setValue (float val) override;
+	void setTextRotation (double angle) override { } // not supported
+
+	void draw (CDrawContext* pContext) override;
+	CMouseEventResult onMouseDown (CPoint& where, const CButtonState& buttons) override;
+	void onKeyboardEvent (KeyboardEvent& event) override;
+
+	void takeFocus () override;
+	void looseFocus () override;
+	bool wantsFocus () const override;
+
+	void setViewSize (const CRect& newSize, bool invalid = true) override;
+	void parentSizeChanged () override;
+
+	bool bWasReturnPressed {false};
+
+	PlatformTextEditPtr getPlatformTextEdit () const { return platformControl; }
+
+	CLASS_METHODS(CTextEdit, CParamDisplay)
+protected:
+	~CTextEdit () noexcept override;
+
+	void createPlatformTextEdit ();
+	void updateText (IPlatformTextEdit* pte);
+
+	CColor platformGetBackColor () const override { return getBackColor (); }
+	CColor platformGetFontColor () const override { return getFontColor (); }
+	CFontRef platformGetFont () const override;
+	CHoriTxtAlign platformGetHoriTxtAlign () const override { return getHoriAlign (); }
+	const UTF8String& platformGetText () const override { return text; }
+	const UTF8String& platformGetPlaceholderText () const override { return placeholderString; }
+	CRect platformGetSize () const override;
+	CRect platformGetVisibleSize () const override;
+	CPoint platformGetTextInset () const override { return getTextInset (); }
+	void platformLooseFocus (bool returnPressed) override;
+	void platformOnKeyboardEvent (KeyboardEvent& event) override;
+	void platformTextDidChange () override;
+	bool platformIsSecureTextEdit () override;
+
+	PlatformTextEditPtr platformControl;
+
+	StringToValueFunction stringToValueFunction;
+
+	bool immediateTextChange {false};
+	bool secureStyle {false};
+	mutable SharedPointer<CFontDesc> platformFont;
+	UTF8String placeholderString;
+	DispatchList<ITextEditListener*> textEditListeners;
+};
+
+} // VSTGUI