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228 lines
7.9 KiB
228 lines
7.9 KiB
//=========== Copyright Valve Corporation, All rights reserved. ===============//
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//
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// Purpose: QWERTY keyboard text entry method for Steam controller
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//=============================================================================//
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#ifndef PANORAMA_TEXTINPUT_DUALTOUCH_H
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#define PANORAMA_TEXTINPUT_DUALTOUCH_H
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#include "panorama/textinput/textinput.h"
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#include "panorama/controls/panel2d.h"
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#include "panorama/controls/label.h"
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#include "panorama/input/iuiinput.h"
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#include "mathlib/beziercurve.h"
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#include "tier1/utlptr.h"
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#include "panorama/uischeduleddel.h"
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namespace panorama
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{
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// Forward declaration
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class CTextInputDualTouch;
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class CTextEntry;
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class ITextInputSuggest;
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class CLabel;
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// this weights the frequency of words typed without any possible typos above
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// autocorrected words, as otherwise if you legitimately type 'test' it'll
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// auto-correct into 'rest'
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static const float k_flExactWordFrequencyWeight = 1.2f;
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class CTextInputDualTouch : public panorama::CTextInputHandler
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{
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DECLARE_PANEL2D( CTextInputDualTouch, panorama::CPanel2D );
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public:
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// Constructor
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CTextInputDualTouch( panorama::IUIWindow *pParent, const CTextInputHandlerSettings &settings, ITextInputControl *pTextControl );
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CTextInputDualTouch( panorama::CPanel2D *parent, const CTextInputHandlerSettings &settings, ITextInputControl *pTextControl );
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// Destructor
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~CTextInputDualTouch();
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// CTextInputHandler overrides
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virtual void OpenHandler() OVERRIDE;
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virtual void CloseHandlerImpl( bool bCommitText ) OVERRIDE;
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virtual ETextInputHandlerType_t GetType() OVERRIDE;
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virtual ITextInputControl *GetControlInterface() OVERRIDE;
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virtual void SuggestWord( const wchar_t *pwch, int ich ) OVERRIDE;
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virtual void SetYButtonAction( const char *pchLabel, IUIEvent *pEvent ) OVERRIDE;
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static void GetSupportedLanguages( CUtlVector<ELanguage> &vecLangs );
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private:
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static const int k_DualTouchRowCount = 4;
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static const int k_DualTouchColumnCount = 11;
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static const int k_SuggestionCount = 4;
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enum EDualTouchModifier_t
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{
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k_EDualTouchModifierNone = 0,
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k_EDualTouchModifierShift = 1,
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k_EDualTouchModifierAlt = 2,
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k_EDualTouchModifierCount = 3,
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};
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class CTouchPad
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{
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public:
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bool Initialize( CTextInputDualTouch *pParent, const char *pointerID, const char *padID,
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IUIEngine::EHapticFeedbackPosition eHapticsPosition );
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void UpdatePointerState( bool bPointersEnabled, uint32 nTextureID );
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void OnTouch( void );
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void OnRelease( void );
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bool OnMove( float touchX, float touchY );
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void OnButtonDown( void );
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SteamPadPointer_t m_renderPointerState;
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CPanel2D *m_pPointerPanel;
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CPanel2D *m_pPadPanel;
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CPanel2D *m_pHoverKey; // what key are we currently hovering over?
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CPanel2D *m_pLastHoverKey; // what was the last key we were hovering over? this will either match m_pHoverKey or have the last value m_pHoverKey had if its currently nullptr
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CUtlVector< IUIPanel * > m_vecTouchKeys;
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bool m_bFingerOnPad;
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float m_hoverX;
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float m_hoverY;
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CTextInputDualTouch *m_pTextInputDualTouch;
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IUIEngine::EHapticFeedbackPosition m_eHapticsPosition;
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};
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void Initialize( const CTextInputHandlerSettings &settings, ITextInputControl *pTextControl );
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void SetMode( ETextInputMode_t mode );
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// CPanel2D overrides
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virtual bool OnGamePadUp( const panorama::GamePadData_t &code ) OVERRIDE;
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virtual bool OnGamePadDown( const panorama::GamePadData_t &code ) OVERRIDE;
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virtual bool OnGamePadAnalog( const panorama::GamePadData_t &code ) OVERRIDE;
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virtual bool OnKeyTyped( const KeyData_t &unichar ) OVERRIDE;
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virtual bool OnKeyDown( const KeyData_t &code ) OVERRIDE;
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virtual bool OnKeyUp( const KeyData_t &code ) OVERRIDE;
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void UpdateSteamPadPointers( void );
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bool OnPropertyTransitionEnd( const CPanelPtr< IUIPanel > &pPanel, CStyleSymbol prop );
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bool OnRemoveStyleFromLinkedKeys( CPanelPtr<CPanel2D> pPanel, const char *pszStyle );
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bool TouchPadClicked( CTouchPad* pTouchPad );
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// Listen for focus lost
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bool HandleInputFocusLost( const panorama::CPanelPtr< panorama::IUIPanel > &ptrPanel );
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bool OnActiveControllerTypeChanged( EActiveControllerType eActiveControllerType );
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bool BConvertNextSpaceToPeriod( void );
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bool TypeWchar( uchar16 wch, const char *pUTFf8Char = NULL );
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bool TypeKeyDown( panorama::KeyCode eCode );
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bool SwitchLanguage( void );
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bool LoadInputConfigurationFile( ELanguage language );
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bool LoadInputConfigurationFile( char const *szConfigFile, const char *szConfigRootDir );
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bool LoadConfigurationBuffer( char const *pszIncoming );
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void SetModifierKeyState( EDualTouchModifier_t modifier, bool bIsButtonPressEvent );
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EDualTouchModifier_t CalculateDesiredModifierState() const;
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void ApplyCurrentModifierLayout();
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void TouchKeyClicked( CPanel2D *pTouchKey, CTouchPad *pTouchPad );
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// Process scheduled key repeat
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void ScheduleKeyRepeats( panorama::GamePadCode eCode );
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void CancelOutstandingRepeats() { ScheduleKeyRepeats( XK_NULL ); }
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void ScheduledKeyRepeatFunction();
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// auto-suggestion
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void ClearSuggestionVisual( void )
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{
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for ( int i = 0; i < k_SuggestionCount; i++ )
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{
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m_pSuggestionLabels[i]->SetText( "" );
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}
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}
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void ClearSuggestionState( bool bFlush = true )
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{
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// flush what we have into the buffer
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if ( bFlush && m_vecPossibleWordsBeingTyped.Count() )
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{
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CStrAutoEncode s( m_vecPossibleWordsBeingTyped[0] );
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m_pTextInputControl->InsertCharactersAtCursor( s.ToWString(), V_wcslen( s.ToWString() ) );
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}
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m_vecPossibleWordsBeingTyped.Purge();
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ClearSuggestionVisual();
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UpdateTextPreview();
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}
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void ProcessSuggestions( void );
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void ApplySuggestion( int iSuggestion );
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void UpdateTextPreview( void );
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bool PerformBackspace( void );
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void CursorMove( const panorama::GamePadData_t &code );
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void DisableCursorMode( void );
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private:
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void ChangeTouchkeyStyle( CPanel2D *pTouchKey, const char *pchStyle, bool bAddStyle );
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public:
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ITextInputControl *m_pTextInputControl; // control interface for moving text input between a control and daisy wheel
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CPanel2D *m_pBodyContainer;
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IUIEvent *m_pYbuttonAction; // the action to fire if the Y button is hit
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CLabel *m_pYButtonText; // label for ybutton text
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CLabel *m_pLang;
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CLabel *m_pSuggestionLabels[k_SuggestionCount];
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CUtlVector< CUtlString > m_vecPossibleWordsBeingTyped;
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ELanguage m_language; // currently loaded language
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ITextInputSuggest *m_pSuggest; // suggestion engine
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CTextEntry *m_pTextPreview;
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bool m_bDoubleSpaceToDotSpace;
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bool m_bOnlySpacesEnteredSinceBackspace;
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ETextInputMode_t m_mode;
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bool m_bAutoComplete;
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bool m_bDisplaySuggestions;
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bool m_bHidePreviewField;
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bool m_bAutoCaps;
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// This controls the direct-rendered steampad crosshairs; we can only
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// have them up while we're not animating around, otherwise use higher-latency
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// panel crosshairs
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bool m_bSteamPadPointersEnabled;
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IImageSource *m_pSteamPadPointerImage;
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CTouchPad m_leftTouchPad;
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CTouchPad m_rightTouchPad;
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CUtlVector< CTouchPad * > m_vecTouchPads;
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uchar32 m_keyLayout[k_DualTouchColumnCount][k_DualTouchRowCount][k_EDualTouchModifierCount];
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EDualTouchModifier_t m_currentModifier;
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int m_iCharactersTypedSinceModifierStateChanged;
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// Tracking key repeats
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CCubicBezierCurve< Vector2D > m_repeatCurve; // Curve for key repeats
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double m_repeatStartTime; // Time when the key was initially pressed
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double m_repeatNextTime; // Time when the key will repeat next
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panorama::GamePadCode m_repeatGamePadCode; // Which key was pressed (low level, for key-up tracking)
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uint32 m_repeatCounter; // How many key repeats have happened
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panorama::CUIScheduledDel m_repeatFunction; // Scheduled function triggering key repeats
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bool m_bCursorMode;
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CPanel2D *m_pCursorKey;
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bool m_bUseTouchPads;
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bool m_bModifierKeysHeld[ k_EDualTouchModifierCount ];
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};
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} // namespace panorama
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#endif // PANORAMA_TEXTINPUT_DUALTOUCH_H
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