376 lines
13 KiB
C++
376 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2006 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 2009-2011 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 2004-2011 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file sheet.cpp
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*/
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#include "fctsys.h"
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#include "gr_basic.h"
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#include "class_drawpanel.h"
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#include "confirm.h"
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#include "wxEeschemaStruct.h"
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#include "general.h"
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#include "sch_sheet.h"
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#include "dialogs/dialog_sch_sheet_props.h"
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bool SCH_EDIT_FRAME::EditSheet( SCH_SHEET* aSheet, wxDC* aDC )
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{
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if( aSheet == NULL )
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return false;
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/* Get the new texts */
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DIALOG_SCH_SHEET_PROPS dlg( this );
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wxString units = GetUnitsLabel( g_UserUnit );
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dlg.SetFileName( aSheet->GetFileName() );
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dlg.SetFileNameTextSize( ReturnStringFromValue( g_UserUnit,
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aSheet->GetFileNameSize(),
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m_internalUnits ) );
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dlg.SetFileNameTextSizeUnits( units );
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dlg.SetSheetName( aSheet->GetName() );
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dlg.SetSheetNameTextSize( ReturnStringFromValue( g_UserUnit,
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aSheet->GetSheetNameSize(),
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m_internalUnits ) );
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dlg.SetSheetNameTextSizeUnits( units );
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/* This ugly hack fixes a bug in wxWidgets 2.8.7 and likely earlier
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* versions for the flex grid sizer in wxGTK that prevents the last
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* column from being sized correctly. It doesn't cause any problems
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* on win32 so it doesn't need to wrapped in ugly #ifdef __WXGTK__
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* #endif.
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*/
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dlg.Layout();
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dlg.Fit();
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dlg.SetMinSize( dlg.GetSize() );
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if( dlg.ShowModal() == wxID_CANCEL )
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return false;
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wxFileName fileName = dlg.GetFileName();
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fileName.SetExt( SchematicFileExtension );
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if( !fileName.IsOk() )
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{
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DisplayError( this, _( "File name is not valid!" ) );
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return false;
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}
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// Duplicate sheet names are not valid.
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const SCH_SHEET* sheet = GetScreen()->GetSheet( dlg.GetSheetName() );
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if( (sheet != NULL) && (sheet != aSheet) )
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{
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DisplayError( this, wxString::Format( _( "A sheet named \"%s\" already exists." ),
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GetChars( dlg.GetSheetName() ) ) );
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return false;
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}
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wxString msg;
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wxString tmp;
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bool loadFromFile = false;
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SCH_SCREEN* useScreen = NULL;
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if( !g_RootSheet->SearchHierarchy( fileName.GetFullPath(), &useScreen ) )
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loadFromFile = fileName.FileExists();
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if( aSheet->GetScreen() == NULL ) // New sheet.
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{
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if( ( useScreen != NULL ) || loadFromFile ) // Load from existing file.
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{
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msg.Printf( _( "A file named \"%s\" already exists" ),
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GetChars( fileName.GetFullName() ) );
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if( useScreen != NULL )
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msg += _( " in the current schematic hierarchy" );
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msg += _(".\n\nDo you want to create a sheet with the contents of this file?" );
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if( !IsOK( this, msg ) )
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return false;
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}
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else // New file.
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{
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aSheet->SetScreen( new SCH_SCREEN() );
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aSheet->GetScreen()->SetFileName( fileName.GetFullPath() );
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}
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}
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else // Existing sheet.
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{
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bool isUndoable = true;
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bool renameFile = false;
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if( fileName.GetFullName().CmpNoCase( aSheet->GetFileName() ) != 0 )
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{
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// Sheet file name changes cannot be undone.
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isUndoable = false;
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msg = _( "Changing the sheet file name cannot be undone. " );
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if( ( useScreen != NULL ) || loadFromFile ) // Load from existing file.
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{
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tmp.Printf( _( "A file named \"%s\" already exists" ),
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GetChars( fileName.GetFullName() ) );
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msg += tmp;
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if( useScreen != NULL )
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msg += _( " in the current schematic hierarchy" );
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msg += _(".\n\nDo you want to replace the sheet with the contents of this file?" );
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if( !IsOK( this, msg ) )
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return false;
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if( loadFromFile )
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aSheet->SetScreen( NULL );
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}
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else // Save to new file name.
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{
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if( aSheet->GetScreenCount() > 1 )
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{
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msg += _( "This sheet uses shared data in a complex hierarchy.\n\n" );
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msg += _( "Do you wish to convert it to a simple hierarchical sheet?" );
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if( !IsOK( NULL, msg ) )
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return false;
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}
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renameFile = true;
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}
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}
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aSheet->Draw( m_canvas, aDC, wxPoint( 0, 0 ), g_XorMode );
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m_canvas->m_IgnoreMouseEvents = true;
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if( isUndoable )
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SaveCopyInUndoList( aSheet, UR_CHANGED );
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if( renameFile )
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{
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aSheet->GetScreen()->SetFileName( fileName.GetFullName() );
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SaveEEFile( aSheet->GetScreen(), FILE_SAVE_AS );
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// If the the associated screen is shared by more than one sheet, remove the
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// screen and reload the file to a new screen. Failure to do this will trash
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// the screen reference counting in complex hierarchies.
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if( aSheet->GetScreenCount() > 1 )
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{
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aSheet->SetScreen( NULL );
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loadFromFile = true;
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}
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}
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}
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aSheet->SetFileName( fileName.GetFullPath() );
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if( useScreen )
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aSheet->SetScreen( useScreen );
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else if( loadFromFile )
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aSheet->Load( this );
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aSheet->SetFileNameSize( ReturnValueFromString( g_UserUnit,
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dlg.GetFileNameTextSize(),
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m_internalUnits ) );
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aSheet->SetName( dlg.GetSheetName() );
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aSheet->SetSheetNameSize( ReturnValueFromString( g_UserUnit,
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dlg.GetSheetNameTextSize(),
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m_internalUnits ) );
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if( aSheet->GetName().IsEmpty() )
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aSheet->SetName( wxString::Format( wxT( "Sheet%8.8lX" ), aSheet->GetTimeStamp() ) );
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m_canvas->MoveCursorToCrossHair();
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m_canvas->m_IgnoreMouseEvents = false;
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aSheet->Draw( m_canvas, aDC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
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OnModify();
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return true;
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}
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/* Move selected sheet with the cursor.
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* Callback function use by m_mouseCaptureCallback.
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*/
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static void MoveOrResizeSheet( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
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bool aErase )
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{
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wxPoint moveVector;
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BASE_SCREEN* screen = aPanel->GetScreen();
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SCH_SHEET* sheet = (SCH_SHEET*) screen->GetCurItem();
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if( aErase )
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sheet->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
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wxPoint pos = sheet->GetPosition();
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if( sheet->IsResized() )
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{
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int width = screen->GetCrossHairPosition().x - sheet->GetPosition().x;
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int height = screen->GetCrossHairPosition().y - sheet->GetPosition().y;
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// If the sheet doesn't have any pins, clamp the minimum size to the default values.
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width = ( width < MIN_SHEET_WIDTH ) ? MIN_SHEET_WIDTH : width;
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height = ( height < MIN_SHEET_HEIGHT ) ? MIN_SHEET_HEIGHT : height;
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if( sheet->HasPins() )
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{
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int gridSizeX = wxRound( screen->GetGridSize().x );
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int gridSizeY = wxRound( screen->GetGridSize().y );
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// If the sheet has pins, use the pin positions to clamp the minimum height.
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height = ( height < sheet->GetMinHeight() + gridSizeY ) ?
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sheet->GetMinHeight() + gridSizeY : height;
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width = ( width < sheet->GetMinWidth() + gridSizeX ) ?
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sheet->GetMinWidth() + gridSizeX : width;
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}
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wxPoint grid = screen->GetNearestGridPosition( wxPoint( pos.x + width, pos.y + height ) );
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sheet->Resize( wxSize( grid.x - pos.x, grid.y - pos.y ) );
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}
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else if( sheet->IsMoving() )
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{
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moveVector = screen->GetCrossHairPosition() - pos;
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sheet->Move( moveVector );
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}
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sheet->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
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}
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/* Complete sheet move. */
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static void ExitSheet( EDA_DRAW_PANEL* aPanel, wxDC* aDC )
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{
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SCH_SCREEN* screen = (SCH_SCREEN*) aPanel->GetScreen();
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SCH_ITEM* item = screen->GetCurItem();
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SCH_EDIT_FRAME* parent = ( SCH_EDIT_FRAME* ) aPanel->GetParent();
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if( (item == NULL) || (item->Type() != SCH_SHEET_T) || (parent == NULL) )
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return;
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parent->SetRepeatItem( NULL );
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item->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
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if( item->IsNew() )
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{
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SAFE_DELETE( item );
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}
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else if( item->IsMoving() || item->IsResized() )
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{
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screen->RemoveFromDrawList( item );
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delete item;
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item = parent->GetUndoItem();
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wxCHECK_RET( item != NULL, wxT( "Cannot restore undefined last sheet item." ) );
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screen->AddToDrawList( item );
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// the owner of item is no more parent, this is the draw list of screen:
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parent->SetUndoItem( NULL );
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item->Draw( aPanel, aDC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
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item->ClearFlags();
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}
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else
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{
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item->ClearFlags();
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}
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screen->SetCurItem( NULL );
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}
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/* Create hierarchy sheet. */
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SCH_SHEET* SCH_EDIT_FRAME::CreateSheet( wxDC* aDC )
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{
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m_itemToRepeat = NULL;
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SCH_SHEET* sheet = new SCH_SHEET( GetScreen()->GetCrossHairPosition() );
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sheet->SetFlags( IS_NEW | IS_RESIZED );
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sheet->SetTimeStamp( GetNewTimeStamp() );
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sheet->SetParent( GetScreen() );
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sheet->SetScreen( NULL );
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// need to check if this is being added to the GetDrawItems().
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// also need to update the hierarchy, if we are adding
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// a sheet to a screen that already has multiple instances (!)
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GetScreen()->SetCurItem( sheet );
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m_canvas->SetMouseCapture( MoveOrResizeSheet, ExitSheet );
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m_canvas->m_mouseCaptureCallback( m_canvas, aDC, wxDefaultPosition, false );
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m_canvas->CrossHairOff( aDC );
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GetScreen()->SetCrossHairPosition( sheet->GetResizePosition() );
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m_canvas->MoveCursorToCrossHair();
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m_canvas->CrossHairOn( aDC );
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return sheet;
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}
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void SCH_EDIT_FRAME::ReSizeSheet( SCH_SHEET* aSheet, wxDC* aDC )
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{
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if( aSheet == NULL || aSheet->IsNew() )
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return;
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wxCHECK_RET( aSheet->Type() == SCH_SHEET_T,
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wxString::Format( wxT( "Cannot perform sheet resize on %s object." ),
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GetChars( aSheet->GetClass() ) ) );
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m_canvas->CrossHairOff( aDC );
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GetScreen()->SetCrossHairPosition( aSheet->GetResizePosition() );
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m_canvas->MoveCursorToCrossHair();
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m_canvas->CrossHairOn( aDC );
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SetUndoItem( aSheet );
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aSheet->SetFlags( IS_RESIZED );
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m_canvas->SetMouseCapture( MoveOrResizeSheet, ExitSheet );
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m_canvas->m_mouseCaptureCallback( m_canvas, aDC, wxDefaultPosition, true );
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if( aSheet->IsNew() ) // not already in edit, save a copy for undo/redo
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SetUndoItem( aSheet );
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}
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void SCH_EDIT_FRAME::StartMoveSheet( SCH_SHEET* aSheet, wxDC* aDC )
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{
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if( ( aSheet == NULL ) || ( aSheet->Type() != SCH_SHEET_T ) )
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return;
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m_canvas->CrossHairOff( aDC );
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GetScreen()->SetCrossHairPosition( aSheet->GetPosition() );
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m_canvas->MoveCursorToCrossHair();
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if( !aSheet->IsNew() )
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SetUndoItem( aSheet );
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aSheet->SetFlags( IS_MOVED );
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m_canvas->SetMouseCapture( MoveOrResizeSheet, ExitSheet );
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m_canvas->m_mouseCaptureCallback( m_canvas, aDC, wxDefaultPosition, true );
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m_canvas->CrossHairOn( aDC );
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}
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