// $Id: sgcolour.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============================ */ // SGColour.h - the ColourSGallery (Colour SuperGallery) class #ifndef INC_SGCOLOUR #define INC_SGCOLOUR #include "coplfilr.h" // For PalettePrefix //#include "doccolor.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "dragcol.h" //#include "pathname.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "sgallery.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "sgdrag.h" //#include "sgtree.h" - in camtypes.h [AUTOMATICALLY REMOVED] // Prototypes class IndexedColour; class ColourList; class ColourListComponent; /******************************************************************************************** > class GalleryColourDragInfo : public ColourDragInformation Author: Jason_Williams (Xara Group Ltd) Created: 16/2/95 Purpose: A colour drag, which was started from the colour gallery Notes: Note that Library/Document colour dragging is handled in the base class SeeAlso: ColourDragInformation ********************************************************************************************/ class SGDisplayColour; class GalleryColourDragInfo : public ColourDragInformation { CC_DECLARE_DYNCREATE(GalleryColourDragInfo) public: GalleryColourDragInfo(); // Drag of a "document colour" GalleryColourDragInfo(Document *pDocument, SGDisplayColour *pSourceItem, SGMouseInfo *pMouseInfo, SGMiscInfo *pMiscInfo, BOOL IsAdjust = FALSE); // Drag of a "library colour" GalleryColourDragInfo(SGDisplayColour *pSourceItem, SGMouseInfo *pMouseInfo, SGMiscInfo *pMiscInfo, BOOL IsAdjust = FALSE); virtual void OnClick(INT32 Flags, POINT Point); SGDisplayColour *GetDraggedColour(void) { return(SourceItem); } protected: SGDisplayColour *SourceItem; SGMouseInfo MouseInfo; SGMiscInfo MiscInfo; }; /********************************************************************************************* > class SGColourDragTarget : public SGListDragTarget Author: Jason_Williams (Xara Group Ltd) Created: 20/3/95 Purpose: An instantiation of this class is created by each entity which wishes to provide a 'destination' to which the mouse can go to complete a drag. This particular target is used for handling drags of ColourSGalllery items within their displayed list. It automatically handles drags with draginfo derived from ColourDragInformation. Notes: Drag targets are destructed automatically when a drag finishes by the drag manager with which they were registered. To remove a drag target at any time, destruct it - it automatically deregisters and cleans up. SeeAlso: DragManagerOp::StartDrag; DragInformation; DragTarget; SGColourDragTarget::ProcessEvent Documentation: Docs\Specs\DragMan.doc; Docs\HowToUse\SGallery.doc *********************************************************************************************/ class SGColourDragTarget : public SGListDragTarget { friend class DragManagerOp; CC_DECLARE_DYNAMIC(SGColourDragTarget) public: // Public interface SGColourDragTarget(DialogOp *TheDialog, CGadgetID TheGadget = NULL); protected: // Process a drag-related event virtual BOOL ProcessEvent(DragEventType Event, DragInformation *pDragInfo, OilCoord *pMousePos, KeyPress* pKeyPress); }; /*********************************************************************************************** > class SGDisplayColour : public SGDisplayItem Author: Jason_Williams (Xara Group Ltd) Created: 27/10/94 Purpose: This DisplayTree node is used by the Colour SuperGallery It is responsible for providing the ability to handle/redraw one IndexedColour displayed in said gallery. SeeAlso: ColourSGallery; SuperGallery; SGDisplayItem ***********************************************************************************************/ class CCAPI SGDisplayColour : public SGDisplayItem { CC_DECLARE_DYNAMIC(SGDisplayColour); public: SGDisplayColour(); SGDisplayColour(IndexedColour *ColourToDisplay); public: // Virtual overrides virtual BOOL HandleEvent(SGEventType EventType, void *EventInfo, SGMiscInfo *MiscInfo); virtual void DragWasReallyAClick(SGMouseInfo *Mouse, SGMiscInfo *MiscInfo); // Special handler called by GalleryColourDragInfo when a drag turns out to be a click virtual void GetNameText(String_256 *Result); virtual void GetFullInfoText(String_256 *Result); // Read the name and full-information text for this item virtual BOOL GetBubbleHelp(DocCoord *MousePos, String_256 *Result); // Returns a bubble help string (or returns FALSE if it couldn't supply one) virtual BOOL GetStatusLineHelp(DocCoord *MousePos, String_256 *Result); // Returns a status-line help string (or returns FALSE if it couldn't) virtual void MoveAfter(SGDisplayNode *NodeToMove); virtual void MoveBefore(SGDisplayNode *NodeToMove); // Move items around in the tree, and also move the original in the colour list virtual INT32 CompareTo(SGDisplayNode *Other, INT32 SortKey); // Compare two colours using the given sort key. Returns -ve, 0, or +ve public: // Specialisations virtual BOOL IsALibraryColour(void) const; // Determine if this is really an SGDisplayColour (IndexedColour) or derived // SGDisplayLibColour (library DocColour) object virtual BOOL IsASpotColour(void); // Determine if the colour in this item is a Spot colour protected: // Internal handlers virtual void CalculateMyRect(SGFormatInfo *FormatInfo, SGMiscInfo *MiscInfo); // Determines item size for the current DisplayMode and calculates FormatRect virtual void HandleRedraw(SGRedrawInfo *RedrawInfo, SGMiscInfo *MiscInfo); // Redraws the item into the current FormatRect public: // Specialisations of this class inline DocColour *GetDisplayedColour(void); protected: // Special member variables DocColour TheColour; }; /******************************************************************************************** > inline DocColour *SGDisplayColour::GetDisplayedColour(void) Author: Jason_Williams (Xara Group Ltd) Created: 18/1/95 Returns: A pointer to the colour which this Display Item is used to display. Purpose: To find out the colour this object is responsible for displaying ********************************************************************************************/ DocColour *SGDisplayColour::GetDisplayedColour(void) { return(&TheColour); } /*********************************************************************************************** > class SGDisplayLibColour : public SGDisplayColour Author: Jason_Williams (Xara Group Ltd) Created: 6/8/96 Purpose: This DisplayTree node is used by the Colour SuperGallery It is responsible for providing the ability to handle/redraw one library colour displayed in said gallery. SeeAlso: ColourSGallery; SuperGallery; SGDisplayColour; SGDisplayItem ***********************************************************************************************/ typedef struct { UINT32 Prefix : 6; UINT32 NewlineAfter : 1; UINT32 SpotColour : 1; } LibColourFlags; class CCAPI SGDisplayLibColour : public SGDisplayColour { CC_DECLARE_DYNAMIC(SGDisplayLibColour); public: SGDisplayLibColour(); SGDisplayLibColour(DocColour *ColourToDisplay, StringBase *Name, PalettePrefix Prefix = PalettePrefix_None, BOOL NewlineAfter = FALSE, BOOL IsSpotColour = FALSE); public: virtual BOOL HandleEvent(SGEventType EventType, void *EventInfo, SGMiscInfo *MiscInfo); virtual void GetNameText(String_256 *Result); // Read the name text for this item virtual INT32 CompareTo(SGDisplayNode *Other, INT32 SortKey); // Compare two colours using the given sort key. Returns -ve, 0, or +ve public: // Specialisations virtual BOOL IsALibraryColour(void) const; // Determine if this is really an SGDisplayColour (IndexedColour) or derived // SGDisplayLibColour (library DocColour) object virtual BOOL IsASpotColour(void); // Determine if the colour in this item is a Spot colour private: StringBase ColourName; // NOTE: This must be initialised with Alloc() before use LibColourFlags Flags; // State flags }; /*********************************************************************************************** > class SGDisplayColourGroup : public SGDisplayGroup Author: Neville_Humphrys (Xara Group Ltd) Created: 25/3/97 Purpose: A derived SGDisplayColourGroup class for the Colour gallery groups. SeeAlso: SuperGallery; SGDisplayGroup; SGDisplayRoot; SGDisplayItem ***********************************************************************************************/ class CCAPI SGDisplayColourGroup : public SGDisplayGroup { CC_DECLARE_DYNAMIC(SGDisplayColourGroup); public: SGDisplayColourGroup(SuperGallery *ParentGal, Document *ParentDoc = NULL, Library *ParentLib = NULL); public: virtual BOOL IsLibrary() { return FALSE; } virtual BOOL DisplayInColourLine(); virtual BOOL SetDisplayInColourLine(BOOL NewState); virtual BOOL ToggleDisplayInColourLine(); }; /*********************************************************************************************** > class SGDisplayLibColGroup : public SGDisplayColourGroup Author: Jason_Williams (Xara Group Ltd) Created: 9/8/96 Purpose: A derived SGDisplayLibColGroup class for Colour gallery libraries. SeeAlso: SuperGallery; SGDisplayGroup; SGDisplayRoot; SGDisplayItem ***********************************************************************************************/ class CCAPI SGDisplayLibColGroup : public SGDisplayColourGroup { CC_DECLARE_DYNAMIC(SGDisplayLibColGroup); public: SGDisplayLibColGroup(SuperGallery *ParentGal, PathName *LibraryFile); public: // Functions for virtualisation of groups (building groups but not adding items until we need them) virtual BOOL CanVirtualise(void); // Can this group virtualise out to disk? (yes) virtual BOOL Virtualise(void); // Virtualise out (throw away the group contents) virtual BOOL DeVirtualise(void); // Virtualise back in (pull contents back in from disk) virtual BOOL IsLibrary() { return TRUE; } virtual BOOL DisplayInColourLine() { return m_DisplayInColourLine; } virtual BOOL SetDisplayInColourLine(BOOL NewState); virtual BOOL ToggleDisplayInColourLine(); // count the number of children that this group has INT32 CountChildren(); // find the nth child of this group and return the associated DocColour DocColour *GetItemColour(UINT32 Index, SGDisplayLibColour **ppLibColour = NULL); protected: // Internal handlers virtual void ReadGroupTitle(void); // (Re)Reads a group's title text from the parent doc/lib protected: PathName Filename; BOOL m_DisplayInColourLine; }; /*********************************************************************************************** > class ColourSGallery : public SuperGallery Author: Jason_Williams (Xara Group Ltd) Created: 27/10/94 Purpose: The Colour SuperGallery class Notes: SuperGalleries are specced in a number of docs including specs\gallib.doc ("super" gallery extensions) specs\propui.doc (gallery basic ui) SeeAlso: SuperGallery; SGDisplayColour ***********************************************************************************************/ class ColourSGallery : public SuperGallery { friend class SGDisplayColour; // Allow DisplayColours access to the ISentTheMessage lock CC_DECLARE_DYNCREATE(ColourSGallery) public: ColourSGallery(); ~ColourSGallery(); virtual MsgResult Message(Msg* Message); static BOOL Init(void); // Returns a pointer to the line gallery, or NULL if there isn't one. static ColourSGallery* GetInstance(); protected: // Overridden upcall methods virtual BOOL PreCreate(void); virtual BOOL ApplyAction(SGActionType Action); virtual void HandleDragStart(DragMessage *DragMsg); virtual void SelectionHasChanged(void); virtual void DoShadeGallery(BOOL ShadeIt); // Called by SuperGallery::ShadeGallery to allow the derived gallery to add code // to shade/unshade any extra controls it may have in the window public: // Overridden upcall methods virtual SGDisplayItem *CopyDisplayItem(SGDisplayItem *SourceItem, SGDisplayGroup *DestGroup, SGDisplayItem *TargetPosition = NULL); // Asks the gallery to copy (or if appropriate, move) the given item to // the given group. This hould be done by copying the given item, and // then calling InsertCopiedItem() to insert it appropriately (see above) virtual void AllItemsCopied(SGDisplayGroup *DestGroup); // Informs the gallery when a sequence of MOVE or COPY actions have been applied // to the given gallery (see SGDisplayNode::MoveBefore; SGallery::CopyDisplayItem) // (this allows you to cause a message to be broadcast which sums up all of the // changes in one go, which is a good thing if a selection of thousands of objects // has just been moved up one position in the list!) protected: // RenderRegion replacement - override to provide anything other than OSRndRgn virtual RenderRegion *CreateRenderRegion(DocRect *VirtualSize, ReDrawInfoType *DlgRedrawInfo); virtual void DestroyRenderRegion(RenderRegion *pRender); // Overridden to make us use a colour-corrected/separated render region. public: // Overridden Command interface (for Ops and menu support) virtual BOOL InitMenuCommands(void); // Called on startup to initialise any desired menu commands. Will make repeated calls // to InitMenuCommand(), below. virtual BOOL BuildCommandMenu(GalleryContextMenu *TheMenu, SGMenuID MenuID); // Builds the command menu for the given menu pop-up (over an item, or options button) virtual OpState GetCommandState(StringBase *CommandID, String_256 *ShadeReason); // Returns an OpState indicating the state of this command, much like an Op GetState virtual void DoCommand(StringBase *CommandID); // Attempts to "do" the given command. Should call down to the base class to handle // any commands it can't deal with. public: // Colour library support void SetCurrentImportGroup(SGDisplayLibColGroup *TheGroup) { CurrentImportGroup = TheGroup; }; SGDisplayLibColGroup *GetCurrentImportGroup(void) { return(CurrentImportGroup); }; // Sets/Gets the current group into which we're importing (see DeVirtualise()) static BOOL CanAddColourToGallery(IndexedColour *pCol,ColourList* pColList); // Helper function for CreateNewSubtree() // WEBSTER - markn 5/12/96 protected: // Personal/Internal methods void CreateNewSubtree(Document *ParentDoc, SGDisplayColourGroup *ExistingGroup = NULL); // Creates a new subtree group to display the colours for the given document // If ExistingGroup != NULL, that group will be re-cached for the given doc void RedrawColourDisplay(Document *TheDocument, IndexedColour *TheColour); // Redraws the area of the window showing the one specified colour (no reformat) void EditColour(ColourList *ParentList, IndexedColour *TheColour); // Opens the colour editor on the given colour (splat! ;-) BOOL OKToDeleteSelection(SGDisplayGroup *DocumentGroup); // Checks if it is OK to delete the selection; May return TRUE, but deselect // some items selectively to change the set to be deleted BOOL DeleteSelection(SGDisplayGroup *DocumentGroup, ColourList *ParentList); // Forcibly deletes all the selected colours in the given document group void SetSelectionFromDocument(BOOL AlwaysScroll = FALSE); // Selects the current line/fill colours from the document protected: BOOL ISentTheMessage; // Lock to stop us responding to messages we sent ColourListComponent *CurrentColComp;// NULL, or points to the colour component in use SGDisplayNode *CurrentTarget; // NULL (add-tail), or the item to insert before // when ending the component copy public: // preferences static INT32 AutoScrollSelection; // TRUE to allow auto-scrolling when new colours are // selected in the gallery (which can be annoying // if you were scrolled where you wanted to be) static INT32 DefaultDisplayMode; // Memory of current display mode between sessions static String_256 PalettePath; // The path to load the palettes from static BOOL ShowDocumentColours; // True if want document colours in colour line static BOOL ShowNetscapeColours; // True if want Netscape colours being shown in colour line // Webster only at present private: SGDisplayLibColGroup *CurrentImportGroup; // Group currently being imported into, or NULL public: // This will create the gallery groups (unless they're already there) and return TRUE if ok. BOOL MakeSureGroupsHaveBeenCreated(); // Walk through the list of library colour galleries SGDisplayLibColGroup * GetFirstLibGroup(); SGDisplayLibColGroup * GetNextLibGroup(SGDisplayLibColGroup * pLibGroup); BOOL ApplySelectedAsBackground(); BOOL GetDocColourToApply(SGDisplayColour *pFirstSelected, DocColour * pColourToApply, Document **pDoc); protected: static ColourSGallery* m_pTheGallery; }; /******************************************************************************************** > class OpDisplayColourGallery: public Operation Author: Jason_Williams (Xara Group Ltd) Created: 9/2/95 (Based on the Colour SGallery code) Purpose: Displays the Colour gallery. This op can be attached to a menu, button or keypress SeeAlso: ColourSGallery ********************************************************************************************/ #define OPTOKEN_DISPLAYCOLOURGALLERY _T("DisplayColourGallery") class CCAPI OpDisplayColourGallery: public Operation { CC_DECLARE_DYNCREATE( OpDisplayColourGallery ); public: static BOOL Init(); static OpState GetState(String_256*, OpDescriptor*); void Do(OpDescriptor*); static SuperGallery *FindGallery(void); // Finds the Colour gallery class instance }; #define OPTOKEN_COLOURNAMEDLG _T("ColourNameDlg") /******************************************************************************************** > class ColourNameDlg: public DialogOp Author: Jason_Williams (Xara Group Ltd) Created: 1/4/95 Purpose: Allows the user to edit the name of a colour Notes: Call InvokeDialog to show the dialogue. Two overloaded methods are provided, which take a string to set, or a colourlist+colour respectively. ********************************************************************************************/ class ColourNameParam : public OpParam // Internal parameter-passing class { CC_DECLARE_MEMDUMP(ColourNameParam) public: ColourList *TheList; IndexedColour *TheColour; String_64 *TheName; BOOL Result; public: ColourNameParam() \ { TheList = NULL; TheColour = NULL; TheName = NULL; Result = FALSE; } ColourNameParam(ColourList *ParentList, IndexedColour *ColourToEdit) \ { TheList = ParentList; TheColour = ColourToEdit; TheName = NULL; Result = FALSE; } ColourNameParam(String_64 *NameToFill, IndexedColour *DisplayColour = NULL) \ { TheList = NULL; TheColour = DisplayColour; TheName = NameToFill; Result = FALSE; } }; class ColourNameDlg : public DialogOp { CC_DECLARE_DYNCREATE(ColourNameDlg) public: // External inteface static BOOL InvokeDialog(ColourList *Parentlist, IndexedColour *ColourToName); static BOOL InvokeDialog(String_64 *NameToFill, IndexedColour *DisplayColour = NULL); public: // DialogOp interface ColourNameDlg(); void DoWithParam(OpDescriptor*, OpParam*); BOOL Create(); static const INT32 IDD; static const CDlgMode Mode; static OpState GetState(String_256*, OpDescriptor*); static BOOL Init(); virtual MsgResult Message(Msg* Message); protected: void CommitName(void); // Reads from the dialogue to commit the name, and End()s protected: // Data members ColourNameParam *Info; }; #endif