// $Id: sglib.h 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Super Gallery Library DisplayItem stuff #ifndef INC_SGLIB #define INC_SGLIB //#include "bitmap.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "sgallery.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "sgtree.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "sgscan.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "camnet.h" /************************************************************************************/ // The various valid display modes. Note that FullInfo defaults to using the medium // thumbnail. enum LibDisplayType { LibDisplay_Default = 0, LibDisplay_SmallThumb, LibDisplay_MediumThumb, LibDisplay_LargeThumb, LibDisplay_SmallThumbText, LibDisplay_MediumThumbText, LibDisplay_LargeThumbText, LibDisplay_SmallThumbTextUnder, LibDisplay_MediumThumbTextUnder, LibDisplay_LargeThumbTextUnder, LibDisplay_FullInfo, LibDisplay_JustText, LibDisplay_SingleLineFullInfo }; /*********************************************************************************************** > class SGLibDisplayItem : public SGDisplayItem Author: Jason_Williams (Xara Group Ltd) Created: 27/01/95 Purpose: This DisplayTree node is used by Library SuperGalleries It is responsible for providing the ability to handle/redraw one Library item displayed in said gallery. It is a base class to be used by all library display items, though many gallery types may nmot need to derive a new class from it - it's generic handling of display may be adequate. SeeAlso: LibClipartSGallery; SuperGallery; SGDisplayItem ***********************************************************************************************/ class OpThumbDownload; class CCAPI SGLibDisplayItem : public SGDisplayItem { CC_DECLARE_DYNAMIC(SGLibDisplayItem); public: SGLibDisplayItem(); SGLibDisplayItem(LibraryIndex LibraryIndexToDisplay, BOOL bIsNew = FALSE); ~SGLibDisplayItem(); protected: // Event handler virtual BOOL HandleEvent(SGEventType EventType, void *EventInfo, SGMiscInfo *MiscInfo); // Shared code to use before starting an item drag (sets drag bmp up, and returns size) virtual BOOL StartDrag(SGEventType EventType, void *EventInfo, SGMiscInfo *MiscInfo, INT32 *XSize, INT32 *YSize); // Determines the width of the text to display for this item virtual INT32 GetTextWidth(SGFormatInfo *FormatInfo, SGMiscInfo *MiscInfo); // Determines item size for the current DisplayMode and calculates FormatRect virtual void CalculateMyRect(SGFormatInfo *FormatInfo, SGMiscInfo *MiscInfo); // Redraws the item into the current FormatRect virtual void HandleRedraw(SGRedrawInfo *RedrawInfo, SGMiscInfo *MiscInfo); // Specialisations of this class // Draw a thumbnail for this item virtual BOOL DrawThumb(RenderRegion *Renderer, SGRedrawInfo *RedrawInfo, SGMiscInfo *MiscInfo, DocRect *Rectangle, BOOL Background = FALSE); public: // Draw a null bitmap rectangle if we couldn't draw a proper one static void DrawNullBitmapRect(RenderRegion *Renderer, SGMiscInfo *MiscInfo, DocRect *Rectangle, BOOL Background); virtual void DragWasReallyAClick(SGMouseInfo *Mouse, SGMiscInfo *MiscInfo); protected: // Draw the text for this item virtual void DrawItemText(RenderRegion *Renderer, SGRedrawInfo *RedrawInfo, SGMiscInfo *MiscInfo, DocRect *Rectangle, DocRect *BmpRect, BOOL Selected); virtual void DrawPlaceholder(RenderRegion *Renderer, SGMiscInfo *MiscInfo, DocRect *Rectangle, BOOL Background); virtual void DrawItemThumbnail(SGRedrawInfo* pRedrawInfo, SGMiscInfo* pMiscInfo, DocRect* pRect); // return the display type to use - this should really be overridden virtual LibDisplayType GetDisplayType(SGMiscInfo *MiscInfo); // generic searching and redraw function (which works properly !) virtual void GetFullInfoText(String_256 *Result); // generic searching and redraw function virtual void GetFullInfoText(String_256 *Result, INT32 Line = 0); // generic searching function virtual void GetKeyWords(String_256 *Result); // for sorting virtual INT32 CompareTo(SGDisplayNode *Other, INT32 SortKey); public: // Find the LibraryIndex which indexes the item we are displaying inline LibraryIndex GetDisplayedLibraryIndex(void); // Returns size, scale, aspectm, translation details of a thumbnail and a rectangle BOOL GetThumbSize(SGMiscInfo *MiscInfo, DocRect *Rectangle, KernelBitmap *Bitmap, INT32 *XSize, INT32 *YSize, double *Scale = NULL, INT32 *XTrans = NULL, INT32 *YTrans = NULL, BOOL *Outline = NULL); // Finds the parent SGSubLib library (by asking our parent group) Library *GetParentLibrary(void); // generic searching and redraw function virtual void GetFileName(String_256 *Result); // Get item's thumb filename (WEBSTER) virtual BOOL GetThumbFileName(String_256* path); virtual BOOL ShouldDownloadThumb(); virtual BOOL DownloadThumbnail(); virtual void OnThumbDownloadComplete(); virtual void OnThumbDownloadProgress(const INT32 nPercentageCompleted); virtual BOOL ShouldIDrawForeground(BOOL ForceForeground); inline BOOL IsDownloadingThumb() { return bIsDownloadingThumb;} // generic searching and redraw function virtual BOOL GetFileNamePtr(TCHAR **Result); // generic searching and redraw function virtual void GetNameText(String_256 *Result); // Return a pointer to the filename for this item (wont work with diskfile indexes) virtual BOOL GetNameTextPtr(TCHAR **Result); // Finds the text description for the displayed item virtual BOOL GetDisplayedTextDescription(String_256 *Result); // Returns pointer to text description (only if index cached) virtual BOOL GetDisplayedTextDescription(TCHAR **Result); // Return the actual text which will be displayed for this item in the current mode // New Line default can be used for multi-line full info strings. The first line is // always 1, and if no info can be found for the line, we return FALSE. // 0 is a special value for Line which returns all the text, as the default used to // do. virtual BOOL GetActualDisplayedText(String_256 *String, INT32 Line = 0); // Return a pointer to the actual text which will be displayed for this item virtual BOOL GetActualDisplayedTextPtr(TCHAR **String, INT32 Line = 0); // Get the item's full filename BOOL GetFileName(PathName *Result); // Finds the thumbnail bitmap (if any) for the displayed item KernelBitmap *GetDisplayedKernelBitmap(SGMiscInfo *MiscInfo, BOOL Background = FALSE); // Get the item's file size (Lib can be null, but it will be quicker if it's not) INT32 GetFileSize(Library *Lib = NULL); // Bubble help for library item virtual BOOL GetBubbleHelp(DocCoord *MousePos, String_256 *Result); // Status line help for library item virtual BOOL GetStatusLineHelp(DocCoord *MousePos, String_256 *Result); protected: // Special member variables BOOL bIsDownloadingThumb; INT32 nPercentageDownloaded; BOOL bIsNew; OpThumbDownload* pDownloadOp; LibraryIndex TheLibraryIndex; friend class OpThumbDownload; }; /******************************************************************************************** > inline LibraryIndex SGLibDisplayItem::GetDisplayedLibraryIndex(void) Author: Jason_Williams (Xara Group Ltd) (Based on template code by Jason) Created: 27/1/95 Returns: A pointer to the LibraryIndex which this Display Item is used to display. Purpose: To find out the LibraryIndex this object is responsible for displaying ********************************************************************************************/ LibraryIndex SGLibDisplayItem::GetDisplayedLibraryIndex(void) { return(TheLibraryIndex); } /*********************************************************************************************** > class SGLibGroup : public SGDisplayGroup Author: Richard_Millican (Xara Group Ltd) Created: 20/4/95 Purpose: This is a display tree group specifically for library galleries The main reason for implementing it was to receive library group messages SeeAlso: SuperGallery; SGDisplayGroup; ***********************************************************************************************/ class CCAPI SGLibGroup : public SGDisplayGroup { CC_DECLARE_DYNAMIC(SGLibGroup); public: SGLibGroup(SuperGallery *ParentGal, Document *ParentDoc, Library *ParentLib); virtual void ReadGroupTitle(void); virtual BOOL HandleEvent(SGEventType EventType, void *EventInfo, SGMiscInfo *MiscInfo); // Bubble help for library groups virtual BOOL GetBubbleHelp(DocCoord *MousePos, String_256 *Result); // Status line help for library groups virtual BOOL GetStatusLineHelp(DocCoord *MousePos, String_256 *Result); // Can this group virtualise out to disk ? virtual BOOL CanVirtualise(void); // Virtualise back in virtual BOOL DeVirtualise(void); public: // ini file option for libraries static BOOL LibraryVirtualisingEnabled; }; #endif // INC_SGLIB