// $Id: layerdlg.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============================ */ // Implementation of the LayerDlg class /* */ #include "camtypes.h" //#include "ensure.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "errors.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "dlgtypes.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "resource.h" //#include "barsdlgs.h" //#include "simon.h" //#include "dialogop.h" // DialogOp header - in camtypes.h [AUTOMATICALLY REMOVED] #include "dlgmgr.h" // Dialog manager class #include "layerdlg.h" #include "mainfrm.h" //#include "msg.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "layermgr.h" CC_IMPLEMENT_DYNCREATE(LayerDlg, DialogOp) const CDlgMode LayerDlg::Mode = MODELESS; // The dialog is modeless const INT32 LayerDlg::IDD = _R(IDD_LAYERDLG); // The dialogs ID /******************************************************************************************** > LayerDlg::LayerDlg(): DialogOp(LayerDlg::IDD, LayerDlg::Mode) Author: Simon_Maneggio (Xara Group Ltd) Created: 13/12/93 Inputs: - Outputs: - Returns: - Purpose: LayerDlg constructor. Creates a non-undoable operation Errors: - SeeAlso: - ********************************************************************************************/ LayerDlg::LayerDlg(): DialogOp(LayerDlg::IDD, LayerDlg::Mode) { } /******************************************************************************************** > MsgResult LayerDlg::Message( CDlgMessage DlgMsg, CGadgetID Gadget) Author: Simon_Maneggio (Xara Group Ltd) Created: 13/12/93 Inputs: - Outputs: - Returns: - Purpose: Handles all the Layer dialog's messages Errors: - SeeAlso: - ********************************************************************************************/ MsgResult LayerDlg::Message(Msg* Message) { if (IS_OUR_DIALOG_MSG(Message)) { DialogMsg* Msg = (DialogMsg*)Message; BOOL EndDialog = FALSE; switch (Msg->DlgMsg) { case DIM_COMMIT: { EndDialog = ValidValues(); if (EndDialog) { // commit all changes made //(Document::GetCurrent()->GetLayerMgr()).CommitLayerChanges(); // Reflect changes in rest of interface //(Document::GetCurrent()->GetLayerMgr()).UpdateInterface(); } break; } case DIM_SOFT_COMMIT: { TRACE( _T("Rgt OK handling here\n")); break; } case DIM_CANCEL: { // Cancel all changes made to the Layers //if((Document::GetCurrent()->GetLayerMgr()).CancelLayerChanges()) //{ // EndDialog = TRUE; //} // else InformError will have been called break; } case DIM_LFT_BN_CLICKED: { switch (Msg->GadgetID) { case _R(IDC_NEW): CreateNewLayer(); break; case _R(IDC_DELETE): DeleteSelectedLayer(); break; default: ChangeAttribute(Msg->GadgetID); } break; } case DIM_SELECTION_CHANGED_COMMIT: { if (Msg->GadgetID == _R(IDC_LAYER_LIST)) { // A double click, make the Layer active // Obtain the index of the selected item GetValueIndex(_R(IDC_LAYER_LIST), &SelectedLyrIndex); SetSelectedLayer(SelectedLyrIndex); // Sets the selected Layer SetSelectedLayerActive(); // Update the dialog to show the new Layers details ShowLayerDetails(); } break; } case DIM_SELECTION_CHANGED: { if (Msg->GadgetID == _R(IDC_LAYER_LIST)) { // User clicked on new Layer // Obtain the index of the selected item GetValueIndex(_R(IDC_LAYER_LIST), &SelectedLyrIndex); SetSelectedLayer(SelectedLyrIndex); // Sets the selected Layer // Update the dialog to show the new Layers details ShowLayerDetails(); } break; } case DIM_TEXT_CHANGED: { if (Msg->GadgetID == _R(IDC_LAYER_ID)) { // User is editing the Layer identifier UpdateLayerID(); break; } } } if (EndDialog) // Dialog communication over { Close(); // Close the dialog End(); // Destroy dialog // CMainFrame::pInfoBar->EnableLayerControl(); // Enable the infobar's Layer control } // return (DLG_EAT_IF_HUNGRY(Msg)); } // return OK; // Pass everything on to the base class . . . return DialogOp::Message(Message); } /******************************************************************************************** > void LayerDlg::DeleteSelectedLyr() Author: Simon_Maneggio (Xara Group Ltd) Created: 12/1/94 Inputs: - Outputs: - Returns: - Purpose: Deletes the selected Layer Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::DeleteSelectedLayer() { ENSURE(NumLayers > 1, "It is illegal delete the final Layer on a spread"); // Delete the selected Layer from the Layer list DeleteValue(_R(IDC_LAYER_LIST), FALSE, SelectedLyrIndex); // Flag the Layer as having been deleted SelectedLyr->Deleted = TRUE; // If there is a Layer with a z-order one greater than this Layer, then this becomes the // selected Layer. Else the Layer with a z-order one less becomes the selected Layer. if ( (SelectedLyrIndex+1) != NumLayers ) { // There is a Layer with a z-order one greater so select this do { ENSURE(SelectedLyr != NULL, "Selected Layer is NULL"); //SelectedLyr = (LyrDetails*)((Document::GetCurrent()->GetLayerMgr()).LyrDetList.GetNext(SelectedLyr)); } while ( ((LyrDetails*)SelectedLyr)->Deleted ); // Note there is no need to change the SelectedLyrIndex } else { // Select the Layer which has a z-order one less do { ENSURE(SelectedLyr != NULL, "Selected Layer is NULL"); //SelectedLyr = (LyrDetails*)((Document::GetCurrent()->GetLayerMgr()).LyrDetList.GetPrev(SelectedLyr)); } while ( ((LyrDetails*)SelectedLyr)->Deleted ); SelectedLyrIndex--; } ENSURE(SelectedLyr != NULL, "Selected Layer does not exist"); SetSelectedValueIndex(_R(IDC_LAYER_LIST), SelectedLyrIndex); // Select the active Layer NumLayers--; ShowLayerDetails(); } /******************************************************************************************** > void LyrMgr::UpdateLyrID() Author: Simon_Maneggio (Xara Group Ltd) Created: 13/1/94 Inputs: - Outputs: - Returns: - Purpose: Updates the identifier Scope: private Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::UpdateLayerID() { BOOL Valid; String_256 TempStr; TempStr = GetStringGadgetValue(_R(IDC_LAYER_ID), &Valid); // Only update if the string has really changed if (TempStr != SelectedLyr->Status.StringLayerID) { // Update the selected layer's details SelectedLyr->Status.StringLayerID = TempStr; ENSURE(Valid, "Error when trying to read a string value"); // Replace the list box string with the updated string GadgetRedraw(_R(IDC_LAYER_LIST),FALSE); // Turn off drawing until we have finished making changes DeleteValue(_R(IDC_LAYER_LIST), FALSE, SelectedLyrIndex); // Delete old value SetStringGadgetValue(_R(IDC_LAYER_LIST),&(SelectedLyr->Status.StringLayerID), FALSE, SelectedLyrIndex); // Reset the selection SetSelectedValueIndex(_R(IDC_LAYER_LIST), SelectedLyrIndex); // Select the active layer GadgetRedraw(_R(IDC_LAYER_LIST),TRUE); } } /******************************************************************************************** > BOOL LayerDlg::CreateNewLayer() Author: Simon_Maneggio (Xara Group Ltd) Created: 13/1/94 Inputs: - Outputs: - Returns: TRUE if successful, else FALSE Purpose: Creates a new layer, adding it to the end of the layer details list. If a new layer could not be allocated then InformError is called then FALSE returned. Errors: - Scope: private SeeAlso: - ********************************************************************************************/ BOOL LayerDlg::CreateNewLayer() { LyrDetails* LayerDet; LayerDet = new LyrDetails(); if (LayerDet == NULL) { // Inform the error to the user. The error message is set by new InformError(); return FALSE; } // Initialise default layer values LayerDet->Layer = NULL; // Because the layer node has not yet been created ! LayerDet->New = TRUE; // A new layer LayerDet->Deleted = FALSE; // Default attribute values //LayerDet->Status.Flags.Visible = TRUE; //LayerDet->Status.Flags.Locked = FALSE; //LayerDet->Status.Flags.Active = FALSE; //LayerDet->Status.Flags.Printable = TRUE; //LayerDet->Status.Flags.Background = FALSE; //LayerDet->Status.StringLayerID = Document::GetCurrent()->GetLayerMgr().CreateUniqueLayerID(); //LayerDet->Status.LayerQualityLevel = 11; // Add the new layer details record to the tail of the layer details list //(Document::GetCurrent()->GetLayerMgr()).LyrDetList.AddTail(LayerDet); NumLayers++; SelectedLyr = LayerDet; // Make the new layer the selected layer SelectedLyrIndex = NumLayers-1; // Update the layer list gadget // Add layerID to end of list box SetStringGadgetValue(_R(IDC_LAYER_LIST),&(SelectedLyr->Status.StringLayerID)); SetSelectedValueIndex(_R(IDC_LAYER_LIST), SelectedLyrIndex); // Select the new layer ShowLayerDetails(); return TRUE; } /******************************************************************************************** > void LayerDlg::SetSelectedLayer(WORD Index) Author: Simon_Maneggio (Xara Group Ltd) Created: 12/1/94 Inputs: Index: List index of new selected layer Outputs: - Returns: - Purpose: Sets the Indexth layer in the list to be the selected layer Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::SetSelectedLayer(WORD Index) { /* // Find the Indexth layer // Traverse the Layer Manager's LyrDetList and add all layer identifiers to the list gadget List* LyrList = &((Document::GetCurrent()->GetLayerMgr()).LyrDetList); ListItem* CurLayerDet = LyrList->GetHead(); ENSURE(CurLayerDet != NULL, "The LyrDetList is empty"); WORD i =0; while (CurLayerDet != NULL) { if (! (((LyrDetails*)CurLayerDet)->Deleted) ) // The layer has not been deleted { if (i == Index) { // Found SelectedLyr = (LyrDetails*)CurLayerDet; return; } i++; } CurLayerDet = LyrList->GetNext(CurLayerDet); } ENSURE(FALSE, "Could not find layer to select"); */ } /******************************************************************************************** > void LayerDlg::ChangeAttribute(CGadgetID Gadget) Author: Simon_Maneggio (Xara Group Ltd) Created: 11/1/94 Inputs: Gadget: Gadget ID for the attribute Outputs: - Returns: - Purpose: Handles a request to change an attribute of the layer Scope: private Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::ChangeAttribute(CGadgetID Gadget) { switch (Gadget) { case _R(IDC_VISIBLE): //SelectedLyr->Status.Flags.Visible = !(SelectedLyr->Status.Flags.Visible); break; case _R(IDC_LOCKED): //SelectedLyr->Status.Flags.Locked = !(SelectedLyr->Status.Flags.Locked); break; case _R(IDC_ACTIVE): SetSelectedLayerActive(); break; case _R(IDC_GLOBAL): // Don't know if we are to implement global or not //SelectedLyr->Status.Flags.Global = !(SelectedLyr->Status.Flags.Global); break; case _R(IDC_PRINTABLE): //SelectedLyr->Status.Flags.Printable = !(SelectedLyr->Status.Flags.Printable); break; case _R(IDC_BACKGROUND): //SelectedLyr->Status.Flags.Background = !(SelectedLyr->Status.Flags.Background); break; } } /******************************************************************************************** > void LayerDlg::SetSelectedLayerActive() Author: Simon_Maneggio (Xara Group Ltd) Created: 24/1/94 Inputs: - Outputs: - Returns: - Purpose: Sets the selected layer to be the active layer Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::SetSelectedLayerActive() { /* // Traverse the Layer Manager's LyrDetList and set all Active flags to FALSE List* LyrList = &((Document::GetCurrent()->GetLayerMgr()).LyrDetList); ListItem* CurLayerDet = LyrList->GetHead(); ENSURE(CurLayerDet != NULL, "The LyrDetList is empty"); while (CurLayerDet != NULL) { ((LyrDetails*)CurLayerDet)->Status.Flags.Active = FALSE; CurLayerDet = LyrList->GetNext(CurLayerDet); // Get next layer detail record } SelectedLyr->Status.Flags.Active = TRUE; // Disable the Active control EnableGadget(_R(IDC_ACTIVE), FALSE); // Disable the Delete button EnableGadget(_R(IDC_DELETE), FALSE); // The visible and locked controls are set to their defaults and disabled SetLongGadgetValue(_R(IDC_VISIBLE), 1); SetLongGadgetValue(_R(IDC_LOCKED), 0); EnableGadget(_R(IDC_VISIBLE), FALSE); EnableGadget(_R(IDC_LOCKED), FALSE); SelectedLyr->Status.Flags.Visible = TRUE; SelectedLyr->Status.Flags.Locked = FALSE; */ } /******************************************************************************************** > BOOL LayerDlg::ValidValues() Author: Simon_Maneggio (Xara Group Ltd) Created: 2/2/94 Inputs: - Outputs: - Returns: TRUE if the values entered in the dialog are valid. Purpose: To validate the values that the user has input. If the values are not valid then InformError is called to inform the user of the error. Scope: private Errors: - SeeAlso: - ********************************************************************************************/ BOOL LayerDlg::ValidValues() { /* // Check that the names given to the layers are unique List* LyrList = &((Document::GetCurrent()->GetLayerMgr()).LyrDetList); ListItem* CurLyrDet = LyrList->GetHead(); ListItem* CmpLyrDet; while (CurLyrDet != NULL) { CmpLyrDet = LyrList->GetHead(); while (CmpLyrDet != NULL) { if (CmpLyrDet != CurLyrDet) // We are not looking at the same details structure { if (((LyrDetails*)CurLyrDet)->Status.StringLayerID == ((LyrDetails*)CmpLyrDet)->Status.StringLayerID) { // duplicate layer names found, inform the user InformError(_R(IDS_LAYERIDS_NOT_UNIQUE)); return (FALSE); } } CmpLyrDet = LyrList->GetNext(CmpLyrDet); } CurLyrDet = LyrList->GetNext(CurLyrDet); // Get next Layer detail record } return(TRUE); */ return (TRUE); } /******************************************************************************************** > OpState LayerDlg::GetState(String_256*, OpDescriptor*) Author: Simon_Maneggio (Xara Group Ltd) Created: 13/12/93 Inputs: - Outputs: - Returns: - Purpose: LayerDlg GetState method Errors: - SeeAlso: - ********************************************************************************************/ OpState LayerDlg::GetState(String_256*, OpDescriptor*) { OpState OpSt; return(OpSt); } /******************************************************************************************** > BOOL LayerDlg::Init() Author: Simon_Maneggio (Xara Group Ltd) Created: 13/12/93 Inputs: - Outputs: - Returns: - Purpose: LayerDlg Init method Errors: - SeeAlso: - ********************************************************************************************/ BOOL LayerDlg::Init() { return (TRUE); /* return (RegisterOpDescriptor( 0, _R(IDS_LAYERDLG), CC_RUNTIME_CLASS(LayerDlg), OPTOKEN_LAYERDLG, LayerDlg::GetState, 0, // help ID _R(IDBBL_LAYERDLG), 0 // bitmap ID )); */ } /******************************************************************************************** > BOOL LayerDlg::Create() Author: Simon_Maneggio (Xara Group Ltd) Created: 13/12/93 Inputs: - Outputs: - Returns: TRUE if successful, else FALSE Purpose: LayerDlg create method Errors: - SeeAlso: - ********************************************************************************************/ BOOL LayerDlg::Create() { ENSURE(FALSE,"The old layer dlg is now defunct!"); return (FALSE); if (DialogOp::Create()) { // Set the initial control values InitDialog(); return TRUE; } else { return FALSE; } } /******************************************************************************************** > void LayerDlg::Do(OpDescriptor*) Author: Simon_Maneggio (Xara Group Ltd) Created: 13/12/93 Inputs: - Outputs: - Returns: - Purpose: Creates then opens the dialog Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::Do(OpDescriptor*) { ENSURE(FALSE,"The old layer dlg is now defunct!"); return; if (Create()) { Open(); } else // Could not create { InformError(); End(); // End the operation } } /******************************************************************************************** > BOOL LayerDlg::InitDialog() Author: Simon_Maneggio (Xara Group Ltd) Created: 17/12/93 Inputs: - Outputs: - Returns: - Purpose: Sets initial dialog values Errors: - SeeAlso: - ********************************************************************************************/ BOOL LayerDlg::InitDialog() { /* // Make the OK button dual function // DualFunctionButton(IDOK); // Common controls have currently been disabled //SetGadgetRange(_R(IDC_QUALITY), 1, 11); // Make the Layer list box dragable so that users can change the Z order of the Layers //MakeListBoxDragable(_R(IDC_Lyr_LIST)); GadgetRedraw(_R(IDC_LAYER_LIST),FALSE); // Turn off drawing until we have finished making changes // to the gadget. // Traverse the Layer Manager's LyrDetList and add all Layer identifiers to the list gadget List* LyrList = &((Document::GetCurrent()->GetLayerMgr()).LyrDetList); ListItem* CurLyrDet = LyrList->GetHead(); ENSURE(CurLyrDet != NULL, "The LyrDetList is empty"); WORD i =0; NumLayers = 0; while (CurLyrDet != NULL) { // Add string to end of list box SetStringGadgetValue(_R(IDC_LAYER_LIST),&(((LyrDetails*)CurLyrDet)->Status.StringLayerID)); // If the current Layer is active then make it the selected item if (((LyrDetails*)CurLyrDet)->Status.Flags.Active) { SelectedLyr = (LyrDetails*)CurLyrDet; // Set the selected Layer SelectedLyrIndex = i; } CurLyrDet = LyrList->GetNext(CurLyrDet); i++; NumLayers++; } GadgetRedraw(_R(IDC_LAYER_LIST),TRUE); // Turn drawing back on SetSelectedValueIndex(_R(IDC_LAYER_LIST), SelectedLyrIndex); // Select the active Layer ShowLayerDetails(); return TRUE; */ return (FALSE); } /******************************************************************************************** > void LayerDlg::ShowLayerDetails() Author: Simon_Maneggio (Xara Group Ltd) Created: 11/1/94 Inputs: - Outputs: - Returns: - Purpose: Shows Layer info for the selected Layer Errors: - SeeAlso: - ********************************************************************************************/ void LayerDlg::ShowLayerDetails() { ENSURE(SelectedLyr != NULL, "The Selected Layer is NULL"); //SetLongGadgetValue(_R(IDC_VISIBLE), (INT32)SelectedLyr->Status.Flags.Visible ? 1: 0); //SetLongGadgetValue(_R(IDC_LOCKED), (INT32)SelectedLyr->Status.Flags.Locked ? 1: 0); //SetLongGadgetValue(_R(IDC_ACTIVE), (INT32)SelectedLyr->Status.Flags.Active ? 1: 0); SetLongGadgetValue(_R(IDC_GLOBAL), (INT32) FALSE); // Bodge //SetLongGadgetValue(_R(IDC_PRINTABLE), (INT32)SelectedLyr->Status.Flags.Printable ? 1: 0); //SetLongGadgetValue(_R(IDC_BACKGROUND), (INT32)SelectedLyr->Status.Flags.Background ? 1: 0); // Disable the quality gadget if global quality is set SetStringGadgetValue(_R(IDC_LAYER_ID), &(SelectedLyr->Status.StringLayerID)); // Disable the active, visible, and locked gadgets if the Layer is active //EnableGadget(_R(IDC_ACTIVE), !(SelectedLyr->Status.Flags.Active)); //EnableGadget(_R(IDC_VISIBLE), !(SelectedLyr->Status.Flags.Active)); //EnableGadget(_R(IDC_LOCKED), !(SelectedLyr->Status.Flags.Active)); // Disable the delete gadget if the Layer is active or if there is only one Layer //EnableGadget(_R(IDC_DELETE), !(SelectedLyr->Status.Flags.Active || NumLayers == 1)); return; }