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