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authorFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
committerFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
commit3bf9df6b2785fa6d951086978a3e66f49427166a (patch)
tree2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /public/panorama/controls/label.h
downloadarchived-source-engine-2018-hl2-src-master.tar.xz
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+//=========== Copyright Valve Corporation, All rights reserved. ===============//
+//
+// Purpose:
+//=============================================================================//
+
+#ifndef PANORAMA_LABEL_H
+#define PANORAMA_LABEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "panel2d.h"
+#include "panorama/localization/ilocalize.h"
+#include "panorama/text/iuitextlayout.h"
+
+namespace panorama
+{
+
+DECLARE_PANEL_EVENT0( CopySelectedLabelText );
+
+//-----------------------------------------------------------------------------
+// Purpose: Label
+//-----------------------------------------------------------------------------
+class CLabel : public CPanel2D, public ILocalizationStringSizeResolver
+{
+ DECLARE_PANEL2D( CLabel, CPanel2D );
+
+public:
+ CLabel( CPanel2D *parent, const char * pchPanelID );
+ virtual ~CLabel();
+
+ virtual void Paint();
+ virtual bool BSetProperties( const CUtlVector< ParsedPanelProperty_t > &vecProperties );
+
+ virtual void SetupJavascriptObjectTemplate() OVERRIDE;
+
+ enum ETextType
+ {
+ k_ETextTypePlain,
+ k_ETextTypeUnlocalized,
+ k_ETextTypeHTML
+ };
+ virtual void SetText( const char *pchValue, ETextType eTextType = k_ETextTypePlain );
+ virtual void AppendText( const char *pchValue, ETextType eTextType = k_ETextTypePlain );
+ virtual const char *PchGetText() const { return m_pLocText ? m_pLocText->String() : ""; }
+
+ bool OnLocalizationChanged( const CPanelPtr< IUIPanel > &pPanel, const ILocalizationString *pString ); // can't be virtual as it is an event catcher
+
+ void SetMaxChars( EStringTruncationStyle eTruncationStyle, uint32 nMaxChars );
+ void SetStyleForRange( int iStartIndex, int iEndIndex, CPanoramaSymbol symStyle );
+
+ virtual bool BRequiresContentClipLayer() { return m_bMayDrawOutsideBounds; }
+ virtual bool BAcceptsFocus() { return false; }
+
+ virtual bool GetContextUIBounds( float *pflX, float *pflY, float *pflWidth, float *pflHeight ) OVERRIDE;
+
+ bool BHasSelection() { return m_nSelectionEndIndex != -1; }
+ void CopySelectionToClipboard();
+
+ bool OnCopySelectedLabelText( const CPanelPtr< IUIPanel > &pPanel );
+
+ // for cloning
+ virtual bool IsClonable() { return AreChildrenClonable(); }
+ virtual CPanel2D *Clone();
+
+ // Get the count of anchor tags in this label, will be zero if not HTML
+ uint32 GetHREFCount();
+
+ // Get vector of all url targets in the label
+ void GetHREFTargets( CUtlVector< CUtlString > &vecTargets );
+
+ // enable or disable selection of text via mouse clicks
+ void SetAllowTextSelection( bool bAllow ) { m_bAllowTextSelection = bAllow; }
+
+#ifdef DBGFLAG_VALIDATE
+ virtual void ValidateClientPanel( CValidator &validator, const tchar *pchName ) OVERRIDE;
+ void ValidateLinkVector( CValidator &validator, CUtlVector< CUtlString > *pvecLinks );
+#endif
+
+ // Allow us to recalc HTML style flags on scale factor changes
+ virtual void OnUIScaleFactorChanged( float flScaleFactor ) OVERRIDE;
+
+ virtual void GetDebugPropertyInfo( CUtlVector< DebugPropertyOutput_t *> *pvecProperties ) OVERRIDE;
+
+ enum EHTMLFormatFlag
+ {
+ k_EHTMLFormatTagNone = 0,
+ k_EHTMLFormatTagAnchor = 1,
+ k_EHTMLFormatTagBold = 1 << 1,
+ k_EHTMLFormatTagItalics = 1 << 2,
+ k_EHTMLFormatTagEmphasized = 1 << 3,
+ k_EHTMLFormatTagStrong = 1 << 4,
+ k_EHTMLFormatTagSpan = 1 << 5,
+ k_EHTMLFormatTagHeader1 = 1 << 6,
+ k_EHTMLFormatTagHeader2 = 1 << 7,
+ k_EHTMLFormatTagFont = 1 << 8,
+ k_EHTMLFormatTagPre = 1 << 9,
+ };
+
+protected:
+ virtual void OnContentSizeTraverse( float *pflContentWidth, float *pflContentHeight, float flMaxWidth, float flMaxHeight, bool bFinalDimensions );
+ virtual void OnLayoutTraverse( float flFinalWidth, float flFinalHeight );
+ virtual void OnStylesChanged();
+ virtual void OnMouseMove( float flMouseX, float flMouseY );
+ virtual bool OnMouseButtonDown( const MouseData_t &code );
+ virtual bool OnMouseButtonUp( const MouseData_t &code );
+ bool EventStyleFlagsChanged( const CPanelPtr< IUIPanel > &pPanel );
+ bool OnFindLongestStringForLocVariable( const CPanelPtr< IUIPanel > &pPanel );
+
+ virtual void InitClonedPanel( CPanel2D *pPanel );
+
+ virtual void SetTextFromJS(const char *pchValue)
+ {
+ if( m_bParseAsHTML )
+ SetText( pchValue, k_ETextTypeHTML );
+ else
+ SetText( pchValue, k_ETextTypeUnlocalized );
+ }
+
+ bool BParseAsHTML() const { return m_bParseAsHTML; }
+ void SetParseAsHTML( bool bParseAsHTML ) { m_bParseAsHTML = bParseAsHTML; }
+
+private:
+ struct TextRangeFormat_t
+ {
+ static const Color k_colorUnspecified;
+
+ TextRangeFormat_t()
+ {
+ m_iStartChar = -1;
+ m_iEndChar = -1;
+ m_unHTMLFormatFlags = 0;
+ m_iHREF = -1;
+ m_iMouseOver = -1;
+ m_iMouseOut = -1;
+ m_iContextMenu = -1;
+ m_pStyle = NULL;
+ m_unStyleFlags = 0;
+ m_color = k_colorUnspecified;
+ m_bChildOwner = false;
+ }
+
+ void CopyWithoutRecalcData( const TextRangeFormat_t &rhs );
+
+#ifdef DBGFLAG_VALIDATE
+ virtual void Validate( CValidator &validator, const tchar *pchName );
+#endif
+
+ int m_iStartChar;
+ int m_iEndChar;
+
+ uint m_unHTMLFormatFlags;
+ CUtlVector< CPanoramaSymbol > m_vecClasses;
+ int m_iHREF; // index into m_vecParsedHREFs if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
+ int m_iMouseOver; // index into m_vecParsedMouseOvers if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
+ int m_iMouseOut; // index into m_vecParsedMouseOuts if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
+ int m_iContextMenu; // index into m_vecParsedContextMenus if clickable. Multiple ranges could have the same URL, so hold indexes instead of copy strings
+
+ IUIPanelStyle *m_pStyle;
+ uint m_unStyleFlags;
+
+ Color m_color;
+
+ CUtlString m_strChildID;
+ bool m_bChildOwner;
+
+ struct RangeFormatBox_t
+ {
+ Vector2D topLeft;
+ Vector2D bottomRight;
+ };
+
+ CUtlVector< RangeFormatBox_t > m_vecBoundingBoxes;
+ };
+
+ void SetTextInternal( const char *pchValue, ETextType eTextType, bool bTrustedSource );
+ void SetFromHTMLInternal( const char *pchText, bool bAppend, bool bTrusted );
+ int ParseStringFromTag( const char *pchTag, const char *pchString, CUtlVector<CUtlString> **ppVecStrings );
+ int ParseHREFFromTag( const char *pchTag );
+ int ParseMouseOverFromTag( const char *pchTag );
+ int ParseMouseOutFromTag( const char *pchTag );
+ int ParseContextMenuFromTag( const char *pchTag );
+ void UpdateTextRangeStyles();
+ 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 );
+ void RemoveTextRangeFormats();
+ bool BCoordsInTextRange( const TextRangeFormat_t &rangeFormat, float flX, float flY );
+ int FindTextRangeAt( float flX, float flY );
+
+ IUITextLayout *CreateTextLayout( float flWidth, float flHeight, bool bUseChildDesiredSize, const char *pchOptStringToUse = NULL );
+ IUITextLayout *CreateCurrentLayoutTextLayout();
+ virtual int ResolveStringLengthInPixels( const char *pchString );
+
+ bool HandleAnchorTagEvent( CUtlVector< CUtlString > *pvecLinks, int iLinkIndex );
+
+ static void CloneLinksVector( CUtlVector< CUtlString > *pSourceLinks, CUtlVector< CUtlString > **ppDestinationLinks );
+
+ bool m_bContentSizeDirty;
+ float m_flMaxWidthLastContentSize;
+ float m_flMaxHeightLastContentSize;
+ float m_flLastUIScaleFactor;
+
+ bool m_bLeftMouseIsDown;
+ Vector2D m_LastMousePos;
+ bool m_bSelectionRectDirty;
+ int32 m_nSelectionStartIndex;
+ int32 m_nSelectionEndIndex;
+ CUtlVector<IUITextLayout::HitTestRegionRect_t> m_vecSelectionRects;
+
+ bool m_bMayDrawOutsideBounds;
+ bool m_bAllowTextSelection;
+
+ CMutableLocalizationString m_pLocText;
+ CMutableLocalizationString m_pLocTextHTML; // the base string with html markup preserved
+ uint32 m_nMaxChars; // max chars to store in this label
+ EStringTruncationStyle m_eStringTruncationStyle; // how to truncate our text
+ bool m_bParseAsHTML; // if true, set text will be parsed as html
+ CUtlVector< TextRangeFormat_t > m_vecTextRangeFormats; // list of parsed text range formats
+ CUtlVector< CUtlString > *m_pvecParsedHREFs; // parsed href.. indexes are added to text range formats. Multiple ranges could have same URL.
+ CUtlVector< CUtlString > *m_pvecParsedMouseOvers; // parsed onmouseover.. indexes are added to text range formats. Multiple ranges could have same URL.
+ CUtlVector< CUtlString > *m_pvecParsedMouseOuts; // parsed onmouseout.. indexes are added to text range formats. Multiple ranges could have same URL.
+ CUtlVector< CUtlString > *m_pvecParsedContextMenus; // parsed oncontextmenu.. indexes are added to text range formats. Multiple ranges could have same URL.
+ TextRangeFormat_t *m_pLastHoverRange; // last text range the mouse was hovering over
+ TextRangeFormat_t *m_pMouseDownRange; // index into m_vecTextRangeFormats
+
+ static uint32 s_unNextInlineImageID;
+};
+
+} // namespace panorama
+
+
+#endif // PANORAMA_LABEL_H