// $Id: sgmenu.cpp 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============================ */ // Context sensitive menu for SuperGalleries /* */ #include "camtypes.h" #include "sgmenu.h" //#include "sgallery.h" - in camtypes.h [AUTOMATICALLY REMOVED] DECLARE_SOURCE("$Revision: 1282 $"); CC_IMPLEMENT_MEMDUMP(GalleryContextMenu, ContextMenu) CC_IMPLEMENT_DYNCREATE(OpGalleryCommand, Operation); #define new CAM_DEBUG_NEW /******************************************************************************************** > GalleryContextMenu::GalleryContextMenu(SGMenuID TheMenuType, SuperGallery *ParentGallery) Author: Jason_Williams (Xara Group Ltd) Created: 14/9/95 Inputs: TheMenuType - Determines whether this will be a gallery-options dropdown menu or a gallery-item/group pop-up menu. ParentGallery - The gallery whose options are to be shown Purpose: To construct ;-) Notes: The default constructor will ERROR3 - always use this variant ********************************************************************************************/ GalleryContextMenu::GalleryContextMenu() { ERROR3("GalleryContextMenu - DON'T call the default constructor!"); MenuType = SGMENU_OPTIONS; ParentGallery = NULL; } GalleryContextMenu::GalleryContextMenu(SGMenuID TheMenuType, SuperGallery *ParentGal) { MenuType = TheMenuType; ParentGallery = ParentGal; } /******************************************************************************************** > virtual BOOL GalleryContextMenu::Build(void) Author: Jason_Williams (Xara Group Ltd) Created: 15/9/95 Returns: TRUE if menu built OK FALSE (and sets error) otherwise Purpose: To build the SuperGallery pop-up menu. (Called whn the list is adjust-clicked) The exact type (options or item-pop-up) of menu depends on the value passed\ into the constructor. ********************************************************************************************/ BOOL GalleryContextMenu::Build(void) { if (ParentGallery == NULL) { ERROR3("GalleryContextMenu incorrectly constructed"); return(FALSE); } // It's all up to the gallery to fill us in appropriately return(ParentGallery->BuildCommandMenu(this, MenuType)); } //------------------------------------------------------------------------------------------- //- Polymorphic gallery menu-item Ops /******************************************************************************************** > static BOOL OpGalleryCommand::InitPolymorphicCommand(StringBase *OpToken, UINT32 MenuTextID) Author: Jason_Williams (Xara Group Ltd) Created: 15/9/95 Inputs: OpToken - The OpToken for the new Op This must be of the form "Gallery name:Gallery command" Each portion must be no more than 31 characters long MenuTextID - A String Resource ID for the menu item text Returns: TRUE if it succeeded, FALSE if not enough memory to register the OpDescriptor Purpose: Given a Gallery command OpToken of the form "Gallery name:Command name" this creates a new OpDescriptor for the OpGalleryCommand Op. This in turn will provide an Upcall to the named Gallery containing the given command string, whenever the Op is invoked. ********************************************************************************************/ BOOL OpGalleryCommand::InitPolymorphicCommand(StringBase *OpToken, UINT32 MenuTextID) { return(RegisterOpDescriptor(0, // Tool ID MenuTextID, // String resource ID CC_RUNTIME_CLASS(OpGalleryCommand), // Runtime class (TCHAR *) (*OpToken), // Token string OpGalleryCommand::GetCommandState, // GetState function 0, // help ID 0, // bubble help 0, // resource ID 0, // control ID SYSTEMBAR_ILLEGAL, // Bar ID FALSE, // Recieve system messages FALSE, // Smart duplicate operation TRUE, // Clean operation 0, // No vertical counterpart 0, // String for one copy only error DONT_GREY_WHEN_SELECT_INSIDE // Auto state flags )); } /******************************************************************************************** > static SuperGallery *OpGalleryCommand::GetGalleryAndCommand(OpDescriptor *pOpDesc, String_32 *Command) Author: Jason_Williams (Xara Group Ltd) Created: 14/9/95 Inputs: pOpDesc - The Op Descriptor for the Op Outputs: Command - returned as "" or as the command string from the OpToken Returns: NULL if the gallery wasn't found, or a pointer to the SuperGallery which should process the command Purpose: Given a Gallery command OpDescriptor of the form "Gallery name:Command name" this returns a pointer to the gallery to use and the string "Command name" which is the command that gallery should apply. ********************************************************************************************/ SuperGallery *OpGalleryCommand::GetGalleryAndCommand(OpDescriptor *pOpDesc, String_32 *Command) { String_256 Temp = pOpDesc->Token; TCHAR *Str = (TCHAR *)Temp; *Command = TEXT(""); while (*Str != '\0' && *Str != ':') Str++; if (*Str == '\0') return(NULL); // Copy the right end of the string into Command for return *Command = (TCHAR *) (Str+1); // Find the gallery referenced by the left end of the string *Str = '\0'; // NULL Terminate the left end of the string String_32 Bob; Temp.Left(&Bob, 31); SuperGallery* pSuperGallery = SuperGallery::FindSuperGallery(Bob , GalleryBarNameLimitSize); if (pSuperGallery != NULL && pSuperGallery->IsKindOf(CC_RUNTIME_CLASS(SuperGallery))) return((SuperGallery *) pSuperGallery); // Not found, or isn't a gallery?! (eep!) return(NULL); } /******************************************************************************************** > static BOOL OpGalleryCommand::Init(void) Author: Jason_Williams (Xara Group Ltd) Created: 14/9/95 Returns: TRUE if the operation could be successfully initialised FALSE if no more memory could be allocated Purpose: OpGalleryCommand initialiser method. Notes: This Init does nothing - The Op does not have its own OpDescriptor. Instead, each gallery will add an OpDescriptor for each command they wish to add to their menu, all of which will reference this Op. SeeAlso: SuperGallery::InitMenuCommand ********************************************************************************************/ //BOOL OpGalleryCommand::Init(void) //{ // return (TRUE); //} /******************************************************************************************** > static OpState OpGalleryCommand::GetCommandState(String_256 *UIDescription, OpDescriptor *pOpDesc) Author: Jason_Williams (Xara Group Ltd) Created: 14/9/95 Inputs: UIDescriptoin - ptr to a string to place a description of what went wrong (if it did!) OpDesc - The OpDescriptor for which we need the state Outputs: UIDescription is updated appropriately Returns: The state of the OpGalleryCommand operation for the given OpDescriptor Purpose: For finding OpGalleryCommand's state. ********************************************************************************************/ OpState OpGalleryCommand::GetCommandState(String_256 *UIDescription, OpDescriptor *pOpDesc) { String_32 Command; SuperGallery *ParentGallery = GetGalleryAndCommand(pOpDesc, &Command); if (ParentGallery != NULL) return(ParentGallery->GetCommandState(&Command, UIDescription)); ERROR3("Attempt to get state for non-existent Gallery command"); // Return a "safe" shaded state OpState OpSt; OpSt.Greyed = TRUE; *UIDescription = ""; return (OpSt); } /******************************************************************************************** > void OpGalleryCommand::Do(OpDescriptor* pOpDesc) Author: Jason_Williams (Xara Group Ltd) Created: 14/9/95 Inputs: pOpDesc = ptr to the op descriptor Outputs: - Returns: - Purpose: The nudge op's Do() function. Errors: - SeeAlso: - ********************************************************************************************/ void OpGalleryCommand::Do(OpDescriptor* pOpDesc) { String_32 Command; SuperGallery *ParentGallery = GetGalleryAndCommand(pOpDesc, &Command); if (ParentGallery != NULL) ParentGallery->DoCommand(&Command); End(); }