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233 lines
8.7 KiB
233 lines
8.7 KiB
![]()
4 years ago
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//=========== Copyright Valve Corporation, All rights reserved. ===============//
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//
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// Purpose:
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//=============================================================================//
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#ifndef PANORAMA_LABEL_H
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#define PANORAMA_LABEL_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "panel2d.h"
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#include "panorama/localization/ilocalize.h"
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#include "panorama/text/iuitextlayout.h"
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namespace panorama
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{
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DECLARE_PANEL_EVENT0( CopySelectedLabelText );
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//-----------------------------------------------------------------------------
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// Purpose: Label
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//-----------------------------------------------------------------------------
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class CLabel : public CPanel2D, public ILocalizationStringSizeResolver
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{
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DECLARE_PANEL2D( CLabel, CPanel2D );
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public:
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CLabel( CPanel2D *parent, const char * pchPanelID );
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virtual ~CLabel();
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virtual void Paint();
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virtual bool BSetProperties( const CUtlVector< ParsedPanelProperty_t > &vecProperties );
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virtual void SetupJavascriptObjectTemplate() OVERRIDE;
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enum ETextType
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{
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k_ETextTypePlain,
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k_ETextTypeUnlocalized,
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k_ETextTypeHTML
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};
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virtual void SetText( const char *pchValue, ETextType eTextType = k_ETextTypePlain );
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virtual void AppendText( const char *pchValue, ETextType eTextType = k_ETextTypePlain );
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virtual const char *PchGetText() const { return m_pLocText ? m_pLocText->String() : ""; }
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bool OnLocalizationChanged( const CPanelPtr< IUIPanel > &pPanel, const ILocalizationString *pString ); // can't be virtual as it is an event catcher
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void SetMaxChars( EStringTruncationStyle eTruncationStyle, uint32 nMaxChars );
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void SetStyleForRange( int iStartIndex, int iEndIndex, CPanoramaSymbol symStyle );
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virtual bool BRequiresContentClipLayer() { return m_bMayDrawOutsideBounds; }
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virtual bool BAcceptsFocus() { return false; }
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virtual bool GetContextUIBounds( float *pflX, float *pflY, float *pflWidth, float *pflHeight ) OVERRIDE;
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bool BHasSelection() { return m_nSelectionEndIndex != -1; }
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void CopySelectionToClipboard();
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bool OnCopySelectedLabelText( const CPanelPtr< IUIPanel > &pPanel );
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// for cloning
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virtual bool IsClonable() { return AreChildrenClonable(); }
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virtual CPanel2D *Clone();
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// Get the count of anchor tags in this label, will be zero if not HTML
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uint32 GetHREFCount();
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// Get vector of all url targets in the label
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void GetHREFTargets( CUtlVector< CUtlString > &vecTargets );
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// enable or disable selection of text via mouse clicks
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void SetAllowTextSelection( bool bAllow ) { m_bAllowTextSelection = bAllow; }
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#ifdef DBGFLAG_VALIDATE
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virtual void ValidateClientPanel( CValidator &validator, const tchar *pchName ) OVERRIDE;
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void ValidateLinkVector( CValidator &validator, CUtlVector< CUtlString > *pvecLinks );
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#endif
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// Allow us to recalc HTML style flags on scale factor changes
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virtual void OnUIScaleFactorChanged( float flScaleFactor ) OVERRIDE;
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virtual void GetDebugPropertyInfo( CUtlVector< DebugPropertyOutput_t *> *pvecProperties ) OVERRIDE;
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enum EHTMLFormatFlag
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{
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k_EHTMLFormatTagNone = 0,
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k_EHTMLFormatTagAnchor = 1,
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k_EHTMLFormatTagBold = 1 << 1,
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k_EHTMLFormatTagItalics = 1 << 2,
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k_EHTMLFormatTagEmphasized = 1 << 3,
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k_EHTMLFormatTagStrong = 1 << 4,
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k_EHTMLFormatTagSpan = 1 << 5,
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k_EHTMLFormatTagHeader1 = 1 << 6,
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k_EHTMLFormatTagHeader2 = 1 << 7,
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k_EHTMLFormatTagFont = 1 << 8,
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k_EHTMLFormatTagPre = 1 << 9,
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};
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protected:
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virtual void OnContentSizeTraverse( float *pflContentWidth, float *pflContentHeight, float flMaxWidth, float flMaxHeight, bool bFinalDimensions );
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virtual void OnLayoutTraverse( float flFinalWidth, float flFinalHeight );
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virtual void OnStylesChanged();
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virtual void OnMouseMove( float flMouseX, float flMouseY );
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virtual bool OnMouseButtonDown( const MouseData_t &code );
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virtual bool OnMouseButtonUp( const MouseData_t &code );
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bool EventStyleFlagsChanged( const CPanelPtr< IUIPanel > &pPanel );
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bool OnFindLongestStringForLocVariable( const CPanelPtr< IUIPanel > &pPanel );
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virtual void InitClonedPanel( CPanel2D *pPanel );
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virtual void SetTextFromJS(const char *pchValue)
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{
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if( m_bParseAsHTML )
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SetText( pchValue, k_ETextTypeHTML );
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else
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SetText( pchValue, k_ETextTypeUnlocalized );
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}
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bool BParseAsHTML() const { return m_bParseAsHTML; }
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void SetParseAsHTML( bool bParseAsHTML ) { m_bParseAsHTML = bParseAsHTML; }
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private:
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struct TextRangeFormat_t
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{
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static const Color k_colorUnspecified;
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TextRangeFormat_t()
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{
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m_iStartChar = -1;
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m_iEndChar = -1;
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m_unHTMLFormatFlags = 0;
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m_iHREF = -1;
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m_iMouseOver = -1;
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m_iMouseOut = -1;
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m_iContextMenu = -1;
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m_pStyle = NULL;
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m_unStyleFlags = 0;
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m_color = k_colorUnspecified;
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m_bChildOwner = false;
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}
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void CopyWithoutRecalcData( const TextRangeFormat_t &rhs );
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#ifdef DBGFLAG_VALIDATE
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virtual void Validate( CValidator &validator, const tchar *pchName );
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#endif
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int m_iStartChar;
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int m_iEndChar;
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uint m_unHTMLFormatFlags;
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CUtlVector< CPanoramaSymbol > m_vecClasses;
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int m_iHREF; // index into m_vecParsedHREFs if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
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int m_iMouseOver; // index into m_vecParsedMouseOvers if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
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int m_iMouseOut; // index into m_vecParsedMouseOuts if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
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int m_iContextMenu; // index into m_vecParsedContextMenus if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
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IUIPanelStyle *m_pStyle;
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uint m_unStyleFlags;
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Color m_color;
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CUtlString m_strChildID;
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bool m_bChildOwner;
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struct RangeFormatBox_t
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{
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Vector2D topLeft;
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Vector2D bottomRight;
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};
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CUtlVector< RangeFormatBox_t > m_vecBoundingBoxes;
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};
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void SetTextInternal( const char *pchValue, ETextType eTextType, bool bTrustedSource );
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void SetFromHTMLInternal( const char *pchText, bool bAppend, bool bTrusted );
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int ParseStringFromTag( const char *pchTag, const char *pchString, CUtlVector<CUtlString> **ppVecStrings );
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int ParseHREFFromTag( const char *pchTag );
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int ParseMouseOverFromTag( const char *pchTag );
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int ParseMouseOutFromTag( const char *pchTag );
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int ParseContextMenuFromTag( const char *pchTag );
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void UpdateTextRangeStyles();
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TextRangeFormat_t &AppendTextRangeFormat( int iStartChar, int iEndChar, uint unHTMLFormatFlags, const CUtlVector< CPanoramaSymbol > &vecStyles, int iHREF, int iMouseOver, int iMouseOut, int iContextMenu, const Color &color, const char *pszChildID, bool bChildOwner );
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void RemoveTextRangeFormats();
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bool BCoordsInTextRange( const TextRangeFormat_t &rangeFormat, float flX, float flY );
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int FindTextRangeAt( float flX, float flY );
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IUITextLayout *CreateTextLayout( float flWidth, float flHeight, bool bUseChildDesiredSize, const char *pchOptStringToUse = NULL );
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IUITextLayout *CreateCurrentLayoutTextLayout();
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virtual int ResolveStringLengthInPixels( const char *pchString );
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bool HandleAnchorTagEvent( CUtlVector< CUtlString > *pvecLinks, int iLinkIndex );
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static void CloneLinksVector( CUtlVector< CUtlString > *pSourceLinks, CUtlVector< CUtlString > **ppDestinationLinks );
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bool m_bContentSizeDirty;
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float m_flMaxWidthLastContentSize;
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float m_flMaxHeightLastContentSize;
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float m_flLastUIScaleFactor;
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bool m_bLeftMouseIsDown;
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Vector2D m_LastMousePos;
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bool m_bSelectionRectDirty;
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int32 m_nSelectionStartIndex;
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int32 m_nSelectionEndIndex;
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CUtlVector<IUITextLayout::HitTestRegionRect_t> m_vecSelectionRects;
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bool m_bMayDrawOutsideBounds;
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bool m_bAllowTextSelection;
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CMutableLocalizationString m_pLocText;
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CMutableLocalizationString m_pLocTextHTML; // the base string with html markup preserved
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uint32 m_nMaxChars; // max chars to store in this label
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EStringTruncationStyle m_eStringTruncationStyle; // how to truncate our text
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bool m_bParseAsHTML; // if true, set text will be parsed as html
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CUtlVector< TextRangeFormat_t > m_vecTextRangeFormats; // list of parsed text range formats
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CUtlVector< CUtlString > *m_pvecParsedHREFs; // parsed href.. indexes are added to text range formats. Multiple ranges could have same URL.
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CUtlVector< CUtlString > *m_pvecParsedMouseOvers; // parsed onmouseover.. indexes are added to text range formats. Multiple ranges could have same URL.
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CUtlVector< CUtlString > *m_pvecParsedMouseOuts; // parsed onmouseout.. indexes are added to text range formats. Multiple ranges could have same URL.
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CUtlVector< CUtlString > *m_pvecParsedContextMenus; // parsed oncontextmenu.. indexes are added to text range formats. Multiple ranges could have same URL.
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TextRangeFormat_t *m_pLastHoverRange; // last text range the mouse was hovering over
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TextRangeFormat_t *m_pMouseDownRange; // index into m_vecTextRangeFormats
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static uint32 s_unNextInlineImageID;
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};
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} // namespace panorama
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#endif // PANORAMA_LABEL_H
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