// $Id: la_base.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============================ */ /* Line-attributes combo-box OpDescriptor abstract base class. */ #include "camtypes.h" //#include "undoop.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "dialogop.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "lineattr.h" //#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "convert.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "attrappl.h" //#include "mario.h" //#include "simon.h" //#include "justin.h" //#include "bars.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "selmsg.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "range.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "attrmgr.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "tool.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "la_base.h" #define new CAM_DEBUG_NEW /******************************************************************************************** > OpChangeLineAttribOpDesc::OpChangeLineAttribOpDesc(UINT32 nTxtID, const TCHAR* lpcszToken, UINT32 nBubbleID, UINT32 nControlID) Author: Justin_Flude (Xara Group Ltd) Created: 3/3/95 Inputs: - Outputs: - Returns: - Purpose: Simply calls the UndoableOpDescriptor::UndoableOpDescriptor base class Errors: - SeeAlso: UndoableOpDescriptor::UndoableOpDescriptor ********************************************************************************************/ OpChangeLineAttribOpDesc::OpChangeLineAttribOpDesc(UINT32 nTxtID, const TCHAR* lpcszToken, UINT32 nBubbleID, UINT32 nControlID) : UndoableOpDescriptor(0, nTxtID, CC_RUNTIME_CLASS(OpApplyAttribToNode), (TCHAR*) lpcszToken, GetState, 0, nBubbleID, 0, nControlID, TRUE, // will receive messages FALSE, FALSE) { // Empty. } /******************************************************************************************** > void OpChangeLineAttribOpDesc::SetGadgetText(const String& strGadgetText) Author: Justin_Flude (Xara Group Ltd) Created: 26/4/95 Inputs: strGadgetText the text to show in the OpDescriptor's gadgets Purpose: Sets the text in the combos associated with this OpDescriptor. ********************************************************************************************/ void OpChangeLineAttribOpDesc::SetGadgetText(const String& strGadgetText) { // Create a list for the dialogue manager to put gadget ID's on. List* pGadgetList = new List; if (pGadgetList == NULL) { InformError(_R(IDE_NOMORE_MEMORY)); return; } // Obtain a list of all the combo controls. if (BuildGadgetList(pGadgetList)) { // Iterate over each control in the list. for (GadgetListItem* pGadgetItem = (GadgetListItem*) pGadgetList->GetHead(); pGadgetItem != NULL; pGadgetItem = (GadgetListItem*) pGadgetList->GetNext(pGadgetItem)) { // Set each control to display the text. pGadgetItem->pDialogOp->SetStringGadgetValue(pGadgetItem->gidGadgetID, ((String&) strGadgetText), FALSE, -1); } // Tidy up. pGadgetList->DeleteAll(); } // Deallocate gadget list. delete pGadgetList; } /******************************************************************************************** BOOL OpChangeLineAttribOpDesc::SetCurrentSelJoin() Author: Justin_Flude (Xara Group Ltd) Created: 10/3/95 Outputs: - Returns: FALSE if we run out of memory etc. Purpose: Sets the currently selected line width value. If no objects are selected, or no selected objects require a join type attribute then the current join type attribute for the tool is displayed. If all selected objects (which require a join type) share the same join type attribute then this is displayed. if the selected objects have more than one join type value then the string 'MANY' is displayed. Errors: ERROR is set if we run out of memory Scope: private SeeAlso: - ********************************************************************************************/ BOOL OpChangeLineAttribOpDesc::SetCurrentSelectedAttrib() { // Nothing to do if no current document. if (Document::GetCurrent() == NULL) { /* TRACEUSER( "JustinF", _T("No current document in OpChangeLineAttribOpDesc") "::SetCurrentSelectedAttrib\n"); */ // There is no document so blank all gadgets. SetGadgetText(String(_T(""))); return TRUE; } // Determine if there is a common attribute. NodeAttribute* pAttr; SelRange::CommonAttribResult eResult; eResult = GetApplication()-> FindSelection()-> FindCommonAttribute(GetAttribRuntimeClass(), &pAttr); // Work out what to put in the combo-box according to the returned result. UINT32 nTxtID; switch (eResult) { case SelRange::ATTR_COMMON: case SelRange::ATTR_NONE: { // If there isn't an attribute we just return (this logic is copied from the // line-width combo OpDescriptor code). if (pAttr == NULL) { /* TRACEUSER( "JustinF", _T("No attribute in OpChangeLineAttribOpDesc") "::SetCurrentSelectedAttrib\n"); */ return TRUE; } // Check for something screwy. ERROR3IF(pAttr->GetRuntimeClass() != GetAttribRuntimeClass(), "Wrong kind of attribute in OpChangeLineAttribOpDesc" "::SetCurrentSelectedAttrib"); // There is, so call the derived class to provide some text. nTxtID = ConvertAttribToStringID(pAttr); if (nTxtID == 0) { ERROR3("Unexpected attribute type in OpChangeLineAttribOpDesc" "::SetCurrentSelectedAttrib!"); return FALSE; } break; } case SelRange::ATTR_MANY: nTxtID = _R(IDS_MANY); break; default: ERROR3("Unexpected case in OpChangeLineAttribOpDesc::SetCurrentSelectedAttrib!"); return FALSE; } // Set the gadget's text. SetGadgetText(String(nTxtID)); return TRUE; } /******************************************************************************************** virtual void OpChangeLineAttribOpDesc::OnControlCreate(OpDescControlCreateMsg* pCreateMsg); Author: Justin_Flude (Xara Group Ltd) Created: 10/3/95 Inputs: - Outputs: - Returns: - Purpose: This function is called whenever a combo control associated with the ` OpDescriptor gets created. Errors: - SeeAlso: - ********************************************************************************************/ void OpChangeLineAttribOpDesc::OnControlCreate(OpDescControlCreateMsg* pCreateMsg) { // Initialise the combo-box with the join types. DialogOp* pDlg = pCreateMsg->pDlgOp; CGadgetID SetGadgetID = pCreateMsg->SetGadgetID; // Set each item in the combo-box. for (INT32 i = 0; ; i++) { UINT32 nStringID = GetItemStringID(i); if (nStringID == 0) break; pDlg->SetStringGadgetValue(SetGadgetID, String(nStringID)); } // Update the current selection within the combo etc. pDlg->SetComboListLength(SetGadgetID); SetCurrentSelectedAttrib(); } /******************************************************************************************** > virtual void OpChangeLineAttribOpDesc::OnSelectionChange(OpDescControlMsg* pSelChangedMsg, List* pGadgetList) Author: Justin_Flude (Xara Group Ltd) Created: 10/3/95 Inputs: - Outputs: - Returns: - Purpose: This function gets called whenever a selection is made from a combo box. It invokes the operation to set the line width. Errors: - SeeAlso: - ********************************************************************************************/ void OpChangeLineAttribOpDesc::OnSelectionChange(OpDescControlMsg* pSelChangedMsg, List*) { // Get the relevant fields. DialogOp* pDlg = pSelChangedMsg->pDlgOp; CGadgetID idSetGadgetID = pSelChangedMsg->SetGadgetID; // Try to get the text entered (or selected) within the combo. BOOL fValid; String_256 strEntered = pDlg->GetStringGadgetValue(idSetGadgetID, &fValid, -1); if (!fValid) { TRACEUSER( "JustinF", _T("Invalid text in OpChangeLineAttribOpDesc::OnSelectionChange\n")); Beep(); SetCurrentSelectedAttrib(); return; } INT32 nItemIndex; // Compare the string to each item that was placed in the combo list. for (nItemIndex = 0; ; nItemIndex++) { // Ask the derived class to provide the string at the given index position. UINT32 nTxtID = GetItemStringID(nItemIndex); // If there are no more strings then simply reset the combo to the current value. // The user has entered junk! if (nTxtID == 0) { // This will "recalc" the current value and set it. Beep(); SetCurrentSelectedAttrib(); return; } // Compare the two strings. If they match then break out now. if (strEntered == String_256(nTxtID)) break; } // Obtain the index selected in the combo and pass to the derived class, which will // create the appropriate attribute. NodeAttribute* pAttr = GetNewAttrib(nItemIndex); if (pAttr == NULL) { TRACEUSER( "JustinF", _T("Out of memory in OpChangeLineAttribOpDesc") "::OnSelectionChange\n"); return; } // Pass it to the attribute manager. AttributeManager::AttributeSelected(pAttr); // Update all list-boxes. Note we must do this even if we have just set a new // attribute, as a SelChanging message will not be always be broadcast. SetCurrentSelectedAttrib(); } /******************************************************************************************** > virtual BOOL OpChangeLineAttribOpDesc::OnSelChangingMsg(SelChangingMsg::SelectionState state) Author: Justin_Flude (Xara Group Ltd) Created: 6/7/94 Inputs: - Outputs: - Returns: FALSE if we run out of memory Purpose: This gets called when the selection state has changed. Errors: - SeeAlso: SelChangingMsg ********************************************************************************************/ /* // Don't freak Justin. This This fn is replaced by OnCommonAttrsChangedMsg which handles // all cases when the common attributes should be re-displayed. See the Message.doc file // for more details if your curious. BOOL OpChangeLineAttribOpDesc::OnSelChangingMsg(SelChangingMsg::SelectionState state) { return (state == SelChangingMsg::SELECTIONCHANGED) ? SetCurrentSelectedAttrib() : TRUE; } */ /******************************************************************************************** > virtual BOOL OpChangeLineAttribOpDesc::OnCommonAttrsChangedMsg(SelChangingMsg::SelectionState State) Author: Simon_Maneggio (Xara Group Ltd) Created: 6/7/94 Returns: FALSE if we run out of memory Purpose: This gets called when the common attributes have changed ********************************************************************************************/ BOOL OpChangeLineAttribOpDesc::OnCommonAttrsChangedMsg() { return (SetCurrentSelectedAttrib()); } /******************************************************************************************** > virtual BOOL OpChangeLineAttribOpDesc::OnDocChangingMsg(Document* pChangingDoc, DocState State) Author: Justin_Flude (Xara Group Ltd) Created: 15/3/95 Inputs: - Outputs: - Returns: Purpose: To update the selection width combo whenever the document changes Errors: - SeeAlso: DocChangingMsg ********************************************************************************************/ BOOL OpChangeLineAttribOpDesc::OnDocChangingMsg(Document*, DocChangingMsg::DocState) { return SetCurrentSelectedAttrib(); } /******************************************************************************************** > static OpState OpChangeLineAttribOpDesc::GetState(String_256*, OpDescriptor*); Author: Justin_Flude (Xara Group Ltd) Created: 7/3/95 Inputs: - Outputs: - Returns: - Purpose: Generic GetState function for the OpChangeLineAttribOpDesc and derivatives. Errors: - SeeAlso: - ********************************************************************************************/ OpState OpChangeLineAttribOpDesc::GetState(String_256*, OpDescriptor*) { OpState os; if (Document::GetSelected() == NULL) os.Greyed = TRUE; return os; }