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kicad/eeschema/sheet.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2004-2018 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 <sch_draw_panel.h>
#include <confirm.h>
#include <kiface_i.h>
#include <project.h>
#include <wildcards_and_files_ext.h>
#include <sch_edit_frame.h>
#include <sch_legacy_plugin.h>
#include <sch_sheet.h>
#include <sch_sheet_path.h>
#include <sch_view.h>
#include <symbol_lib_table.h>
#include <dialogs/dialog_sch_sheet_props.h>
#include <dialogs/dialog_sch_edit_sheet_pin.h>
#include <tool/actions.h>
bool SCH_EDIT_FRAME::checkSheetForRecursion( SCH_SHEET* aSheet, SCH_SHEET_PATH* aHierarchy )
{
wxASSERT( aSheet && aHierarchy );
wxString msg;
SCH_SHEET_LIST hierarchy( g_RootSheet ); // This is the full schematic sheet hierarchy.
SCH_SHEET_LIST sheetHierarchy( aSheet ); // This is the hierarchy of the loaded file.
wxFileName destFile = aHierarchy->LastScreen()->GetFileName();
// SCH_SCREEN object file paths are expected to be absolute. If this assert fires,
// something is seriously broken.
wxASSERT( destFile.IsAbsolute() );
if( hierarchy.TestForRecursion( sheetHierarchy, destFile.GetFullPath() ) )
{
msg.Printf( _( "The sheet changes cannot be made because the destination sheet already "
"has the sheet \"%s\" or one of it's subsheets as a parent somewhere in "
"the schematic hierarchy." ),
destFile.GetFullPath() );
DisplayError( this, msg );
return true;
}
return false;
}
bool SCH_EDIT_FRAME::checkForNoFullyDefinedLibIds( SCH_SHEET* aSheet )
{
wxASSERT( aSheet && aSheet->GetScreen() );
wxString msg;
SCH_SCREENS newScreens( aSheet );
if( newScreens.HasNoFullyDefinedLibIds() )
{
msg.Printf( _( "The schematic \"%s\" has not had it's symbol library links remapped "
"to the symbol library table. The project this schematic belongs to "
"must first be remapped before it can be imported into the current "
"project." ), aSheet->GetScreen()->GetFileName() );
DisplayInfoMessage( this, msg );
return true;
}
return false;
}
void SCH_EDIT_FRAME::InitSheet( SCH_SHEET* aSheet, const wxString& aNewFilename )
{
aSheet->SetScreen( new SCH_SCREEN( &Kiway() ) );
aSheet->GetScreen()->SetModify();
aSheet->GetScreen()->SetMaxUndoItems( m_UndoRedoCountMax );
aSheet->GetScreen()->SetFileName( aNewFilename );
}
bool SCH_EDIT_FRAME::LoadSheetFromFile( SCH_SHEET* aSheet, SCH_SHEET_PATH* aHierarchy,
const wxString& aFileName )
{
wxASSERT( aSheet && aHierarchy );
int i;
wxString msg;
wxString topLevelSheetPath;
wxFileName tmp;
wxFileName currentSheetFileName;
bool libTableChanged = false;
SCH_SCREEN* currentScreen = aHierarchy->LastScreen();
SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( SCH_IO_MGR::FindPlugin( SCH_IO_MGR::SCH_LEGACY ) );
std::unique_ptr< SCH_SHEET> newSheet( new SCH_SHEET );
wxFileName fileName( aFileName );
if( !fileName.IsAbsolute() )
{
wxCHECK_MSG( fileName.MakeAbsolute(), false,
wxString::Format( "Cannot make file name \"%s\" path absolute.",
aFileName ) );
}
wxString fullFilename = fileName.GetFullPath();
try
{
if( aSheet->GetScreen() != nullptr )
{
newSheet.reset( pi->Load( fullFilename, &Kiway() ) );
}
else
{
newSheet->SetFileName( fullFilename );
pi->Load( fullFilename, &Kiway(), newSheet.get() );
}
if( !pi->GetError().IsEmpty() )
{
msg = _( "The entire schematic could not be loaded. Errors occurred attempting "
"to load hierarchical sheet schematics." );
wxMessageDialog msgDlg1( this, msg, _( "Schematic Load Error" ),
wxOK | wxCANCEL | wxCANCEL_DEFAULT |
wxCENTER | wxICON_QUESTION );
msgDlg1.SetOKLabel( wxMessageDialog::ButtonLabel( _( "Use partial schematic" ) ) );
msgDlg1.SetExtendedMessage( pi->GetError() );
if( msgDlg1.ShowModal() == wxID_CANCEL )
return false;
}
}
catch( const IO_ERROR& ioe )
{
msg.Printf( _( "Error occurred loading schematic file \"%s\"." ), fullFilename );
DisplayErrorMessage( this, msg, ioe.What() );
msg.Printf( _( "Failed to load schematic \"%s\"" ), fullFilename );
AppendMsgPanel( wxEmptyString, msg, CYAN );
return false;
}
tmp = fileName;
// If the loaded schematic is in a different folder from the current project and
// it contains hierarchical sheets, the hierarchical sheet paths need to be updated.
if( fileName.GetPathWithSep() != Prj().GetProjectPath() && newSheet->CountSheets() )
{
// Give the user the option to choose relative path if possible.
if( tmp.MakeRelativeTo( Prj().GetProjectPath() ) )
{
wxMessageDialog msgDlg2(
this,
"Do you want to use a relative path to the loaded "
"schematic?", "Select Path Type",
wxYES_NO | wxCANCEL | wxYES_DEFAULT | wxICON_QUESTION | wxCENTER );
msgDlg2.SetYesNoLabels( wxMessageDialog::ButtonLabel( "Use Relative Path" ),
wxMessageDialog::ButtonLabel( "Use Absolute Path" ) );
int rsp = msgDlg2.ShowModal();
if( rsp == wxID_CANCEL )
{
return false;
}
else if( rsp == wxID_NO )
{
topLevelSheetPath = fileName.GetPathWithSep();
}
else
{
topLevelSheetPath = tmp.GetPathWithSep();
}
}
else
{
topLevelSheetPath = tmp.GetPathWithSep();
}
if( wxFileName::GetPathSeparator() == '\\' )
topLevelSheetPath.Replace( "\\", "/" );
}
// Make sure any new sheet changes do not cause any recursion issues.
SCH_SHEET_LIST hierarchy( g_RootSheet ); // This is the schematic sheet hierarchy.
SCH_SHEET_LIST sheetHierarchy( newSheet.get() ); // This is the hierarchy of the loaded file.
if( checkSheetForRecursion( newSheet.get(), aHierarchy )
|| checkForNoFullyDefinedLibIds( newSheet.get() ) )
return false;
// Make a valiant attempt to warn the user of all possible scenarios where there could
// be broken symbol library links.
wxArrayString names;
wxArrayString newLibNames;
SCH_SCREENS newScreens( newSheet.get() ); // All screens associated with the import.
SCH_SCREENS prjScreens( g_RootSheet );
newScreens.GetLibNicknames( names );
wxMessageDialog::ButtonLabel okButtonLabel( _( "Continue Load" ) );
wxMessageDialog::ButtonLabel cancelButtonLabel( _( "Cancel Load" ) );
if( fileName.GetPathWithSep() == Prj().GetProjectPath()
&& !prjScreens.HasSchematic( fullFilename ) )
{
// A schematic in the current project path that isn't part of the current project.
// It's possible the user copied this schematic from another project so the library
// links may not be avaible. Even this is check is no guarantee that all symbol
// library links are valid but it's better than nothing.
for( const auto& name : names )
{
if( !Prj().SchSymbolLibTable()->HasLibrary( name ) )
newLibNames.Add( name );
}
if( !newLibNames.IsEmpty() )
{
msg = _( "There are library names in the loaded schematic that are missing "
"from the project library table. This may result in broken symbol "
"library links for the loaded schematic. Do you wish to continue?" );
wxMessageDialog msgDlg3( this, msg, _( "Continue Load Schematic" ),
wxOK | wxCANCEL | wxCANCEL_DEFAULT |
wxCENTER | wxICON_QUESTION );
msgDlg3.SetOKCancelLabels( okButtonLabel, cancelButtonLabel );
if( msgDlg3.ShowModal() == wxID_CANCEL )
return false;
}
}
else if( fileName.GetPathWithSep() != Prj().GetProjectPath() )
{
// A schematic loaded from a path other than the current project path.
// If there are symbol libraries in the imported schematic that are not in the
// symbol library table of this project, there could be a lot of broken symbol
// library links. Attempt to add the missing libraries to the project symbol
// library table.
wxArrayString duplicateLibNames;
for( const auto& name : names )
{
if( !Prj().SchSymbolLibTable()->HasLibrary( name ) )
newLibNames.Add( name );
else
duplicateLibNames.Add( name );
}
SYMBOL_LIB_TABLE table;
wxFileName symLibTableFn( fileName.GetPath(),
SYMBOL_LIB_TABLE::GetSymbolLibTableFileName() );
// If there are any new or duplicate libraries, check to see if it's possible that
// there could be any missing libraries that would cause broken symbol library links.
if( !newLibNames.IsEmpty() || !duplicateLibNames.IsEmpty() )
{
if( !symLibTableFn.Exists() || !symLibTableFn.IsFileReadable() )
{
msg.Printf( _( "The project library table \"%s\" does not exist or cannot "
"be read. This may result in broken symbol links for the "
"schematic. Do you wish to continue?" ),
fileName.GetFullPath() );
wxMessageDialog msgDlg4( this, msg, _( "Continue Load Schematic" ),
wxOK | wxCANCEL | wxCANCEL_DEFAULT |
wxCENTER | wxICON_QUESTION );
msgDlg4.SetOKCancelLabels( okButtonLabel, cancelButtonLabel );
if( msgDlg4.ShowModal() == wxID_CANCEL )
return false;
}
else
{
try
{
table.Load( symLibTableFn.GetFullPath() );
}
catch( const IO_ERROR& ioe )
{
msg.Printf( _( "An error occurred loading the symbol library table "
"\"%s\"." ),
symLibTableFn.GetFullPath() );
DisplayErrorMessage( NULL, msg, ioe.What() );
return false;
}
}
}
// Check to see if any of the symbol libraries found in the appended schematic do
// not exist in the current project are missing from the appended project symbol
// library table.
if( !newLibNames.IsEmpty() )
{
bool missingLibNames = table.IsEmpty();
if( !missingLibNames )
{
for( const auto& newLibName : newLibNames )
{
if( !table.HasLibrary( newLibName ) )
{
missingLibNames = true;
break;
}
}
}
if( missingLibNames )
{
msg = _( "There are library names in the loaded schematic that are missing "
"from the loaded schematic project library table. This may result "
"in broken symbol library links for the schematic. "
"Do you wish to continue?" );
wxMessageDialog msgDlg5( this, msg, _( "Continue Load Schematic" ),
wxOK | wxCANCEL | wxCANCEL_DEFAULT |
wxCENTER | wxICON_QUESTION );
msgDlg5.SetOKCancelLabels( okButtonLabel, cancelButtonLabel );
if( msgDlg5.ShowModal() == wxID_CANCEL )
return false;
}
}
// The library name already exists in the current project. Check to see if the
// duplicate name is the same library in the current project. If it's not, it's
// most likely that the symbol library links will be broken.
if( !duplicateLibNames.IsEmpty() && !table.IsEmpty() )
{
bool libNameConflict = false;
for( const auto& duplicateLibName : duplicateLibNames )
{
const SYMBOL_LIB_TABLE_ROW* thisRow = nullptr;
const SYMBOL_LIB_TABLE_ROW* otherRow = nullptr;
if( Prj().SchSymbolLibTable()->HasLibrary( duplicateLibName ) )
thisRow = Prj().SchSymbolLibTable()->FindRow( duplicateLibName );
if( table.HasLibrary( duplicateLibName ) )
otherRow = table.FindRow( duplicateLibName );
// It's in the global library table so there is no conflict.
if( thisRow && !otherRow )
continue;
if( !thisRow || !otherRow )
continue;
wxFileName otherUriFileName;
wxString thisURI = thisRow->GetFullURI( true );
wxString otherURI = otherRow->GetFullURI( false);
if( otherURI.Contains( "${KIPRJMOD}" ) || otherURI.Contains( "$(KIPRJMOD)" ) )
{
// Cannot use relative paths here, "${KIPRJMOD}../path-to-cache-lib" does
// not expand to a valid symbol library path.
otherUriFileName.SetPath( fileName.GetPath() );
otherUriFileName.SetFullName( otherURI.AfterLast( '}' ) );
otherURI = otherUriFileName.GetFullPath();
}
if( thisURI != otherURI )
{
libNameConflict = true;
break;
}
}
if( libNameConflict )
{
msg = _( "A duplicate library name that references a different library exists "
"in the current library table. This conflict cannot be resolved and "
"may result in broken symbol library links for the schematic. "
"Do you wish to continue?" );
wxMessageDialog msgDlg6( this, msg, _( "Continue Load Schematic" ),
wxOK | wxCANCEL | wxCANCEL_DEFAULT |
wxCENTER | wxICON_QUESTION );
msgDlg6.SetOKCancelLabels( okButtonLabel, cancelButtonLabel );
if( msgDlg6.ShowModal() == wxID_CANCEL )
return false;
}
}
// All (most?) of the possible broken symbol library link cases are covered. Map the
// new appended schematic project symbol library table entries to the current project
// symbol library table.
if( !newLibNames.IsEmpty() && !table.IsEmpty() )
{
for( const auto& libName : newLibNames )
{
if( !table.HasLibrary( libName )
|| Prj().SchSymbolLibTable()->HasLibrary( libName ) )
continue;
// Don't expand environment variable because KIPRJMOD will not be correct
// for a different project.
wxString uri = table.GetFullURI( libName, false );
wxFileName newLib;
if( uri.Contains( "${KIPRJMOD}" ) || uri.Contains( "$(KIPRJMOD)" ) )
{
// Cannot use relative paths here, "${KIPRJMOD}../path-to-cache-lib" does
// not expand to a valid symbol library path.
newLib.SetPath( fileName.GetPath() );
newLib.SetFullName( uri.AfterLast( '}' ) );
uri = newLib.GetFullPath();
}
else
{
uri = table.GetFullURI( libName );
}
// Add the library from the imported project to the current project
// symbol library table.
const SYMBOL_LIB_TABLE_ROW* row = table.FindRow( libName );
auto newRow = new SYMBOL_LIB_TABLE_ROW( libName, uri, row->GetType(),
row->GetOptions(), row->GetDescr() );
Prj().SchSymbolLibTable()->InsertRow( newRow );
libTableChanged = true;
}
}
}
// Check for duplicate sheet names in the current page.
wxArrayString duplicateSheetNames;
SCH_TYPE_COLLECTOR sheets;
sheets.Collect( currentScreen->GetDrawItems(), SCH_COLLECTOR::SheetsOnly );
for( i = 0; i < sheets.GetCount(); ++i )
{
if( newSheet->GetScreen()->GetSheet( ( ( SCH_SHEET* ) sheets[i] )->GetName() ) )
duplicateSheetNames.Add( ( ( SCH_SHEET* ) sheets[i] )->GetName() );
}
if( !duplicateSheetNames.IsEmpty() )
{
msg.Printf( "Duplicate sheet names exist on the current page. Do you want to "
"automatically rename the duplicate sheet names?" );
if( !IsOK( this, msg ) )
return false;
}
// Rename all duplicate sheet names.
SCH_SCREEN* newScreen = newSheet->GetScreen();
wxCHECK_MSG( newScreen, false, "No screen defined for sheet." );
for( const auto& duplicateName : duplicateSheetNames )
{
SCH_SHEET* renamedSheet = newScreen->GetSheet( duplicateName );
wxCHECK2_MSG( renamedSheet, continue,
"Sheet " + duplicateName + " not found in imported schematic." );
timestamp_t newtimestamp = GetNewTimeStamp();
renamedSheet->SetTimeStamp( newtimestamp );
renamedSheet->SetName( wxString::Format( "Sheet%8.8lX", (unsigned long) newtimestamp ) );
}
// Set all sheets loaded into the correct sheet file paths.
SCH_TYPE_COLLECTOR newTopLevelSheets;
newTopLevelSheets.Collect( newSheet->GetScreen()->GetDrawItems(), SCH_COLLECTOR::SheetsOnly );
for( i = 0; i < newTopLevelSheets.GetCount(); ++i )
{
SCH_SHEET* tmpSheet = dynamic_cast< SCH_SHEET* >( newTopLevelSheets[i] );
wxCHECK2( tmpSheet != nullptr, continue );
tmpSheet->SetFileName( topLevelSheetPath + tmpSheet->GetFileName() );
}
if( libTableChanged )
Prj().SchSymbolLibTable()->Save( Prj().GetProjectPath() +
SYMBOL_LIB_TABLE::GetSymbolLibTableFileName() );
// It is finally safe to add or append the imported schematic.
if( aSheet->GetScreen() == nullptr )
aSheet->SetScreen( newScreen );
else
aSheet->GetScreen()->Append( newScreen );
SCH_SCREENS allScreens;
allScreens.ReplaceDuplicateTimeStamps();
SCH_SCREENS screens( aSheet );
screens.UpdateSymbolLinks( true );
return true;
}
bool SCH_EDIT_FRAME::EditSheet( SCH_SHEET* aSheet, SCH_SHEET_PATH* aHierarchy,
bool* aClearAnnotationNewItems )
{
if( aSheet == NULL || aHierarchy == NULL )
return false;
// Get the new texts
DIALOG_SCH_SHEET_PROPS dlg( this, aSheet );
if( dlg.ShowModal() == wxID_CANCEL )
return false;
wxFileName fileName = dlg.GetFileName();
fileName.SetExt( SchematicFileExtension );
wxString msg;
bool renameFile = false;
bool loadFromFile = false;
bool clearAnnotation = false;
bool restoreSheet = false;
bool isExistingSheet = false;
SCH_SCREEN* useScreen = NULL;
// Relative file names are relative to the path of the current sheet. This allows for
// nesting of schematic files in subfolders.
if( !fileName.IsAbsolute() )
{
const SCH_SCREEN* currentScreen = aHierarchy->LastScreen();
wxCHECK_MSG( currentScreen, false, "Invalid sheet path object." );
wxFileName currentSheetFileName = currentScreen->GetFileName();
wxCHECK_MSG( fileName.Normalize( wxPATH_NORM_ALL, currentSheetFileName.GetPath() ), false,
"Cannot normalize new sheet schematic file path." );
}
wxString newFilename = fileName.GetFullPath();
// Search for a schematic file having the same filename
// already in use in the hierarchy or on disk, in order to reuse it.
if( !g_RootSheet->SearchHierarchy( newFilename, &useScreen ) )
{
loadFromFile = wxFileExists( newFilename );
wxLogDebug( "Sheet requested file \"%s\", %s",
newFilename,
( loadFromFile ) ? "found" : "not found" );
}
// Inside Eeschema, filenames are stored using unix notation
newFilename.Replace( wxT( "\\" ), wxT( "/" ) );
SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( SCH_IO_MGR::FindPlugin( SCH_IO_MGR::SCH_LEGACY ) );
if( aSheet->GetScreen() == NULL ) // New sheet.
{
if( !allowCaseSensitiveFileNameClashes( newFilename ) )
return false;
if( useScreen || loadFromFile ) // Load from existing file.
{
clearAnnotation = true;
wxString existsMsg;
wxString linkMsg;
existsMsg.Printf( _( "\"%s\" already exists." ), fileName.GetFullName() );
linkMsg.Printf( _( "Link \"%s\" to this file?" ), dlg.GetSheetName() );
msg.Printf( wxT( "%s\n\n%s" ), existsMsg, linkMsg );
if( !IsOK( this, msg ) )
return false;
}
else // New file.
{
aSheet->SetScreen( new SCH_SCREEN( &Kiway() ) );
aSheet->GetScreen()->SetModify();
aSheet->GetScreen()->SetMaxUndoItems( m_UndoRedoCountMax );
aSheet->GetScreen()->SetFileName( newFilename );
}
}
else // Existing sheet.
{
bool isUndoable = true;
wxString replaceMsg;
wxString newMsg;
wxString noUndoMsg;
isExistingSheet = true;
if( !allowCaseSensitiveFileNameClashes( newFilename ) )
return false;
// Changing the filename of a sheet can modify the full hierarchy structure
// and can be not always undoable.
// So prepare messages for user notifications:
replaceMsg.Printf( _( "Change \"%s\" link from \"%s\" to \"%s\"?" ),
dlg.GetSheetName(), aSheet->GetFileName(), fileName.GetFullName() );
newMsg.Printf( _( "Create new file \"%s\" with contents of \"%s\"?" ),
fileName.GetFullName(), aSheet->GetFileName() );
noUndoMsg = _( "This action cannot be undone." );
// 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
// **
// N.B. 1: aSheet->GetFileName() will return a relative path
// aSheet->GetScreen()->GetFileName() returns a full path
//
// N.B. 2: newFilename uses the unix notation for separator.
// so we must use it also to compare the old filename to the new filename
wxString oldFilename = aSheet->GetScreen()->GetFileName();
oldFilename.Replace( wxT( "\\" ), wxT( "/" ) );
if( newFilename.Cmp( oldFilename ) != 0 )
{
// Sheet file name changes cannot be undone.
isUndoable = false;
if( useScreen || loadFromFile ) // Load from existing file.
{
clearAnnotation = true;
msg.Printf( wxT( "%s\n\n%s" ), replaceMsg, noUndoMsg );
if( !IsOK( this, msg ) )
return false;
if( loadFromFile )
aSheet->SetScreen( NULL );
}
else // Save to new file name.
{
if( aSheet->GetScreenCount() > 1 )
{
msg.Printf( wxT( "%s\n\n%s" ), newMsg, noUndoMsg );
if( !IsOK( this, msg ) )
return false;
}
renameFile = true;
}
}
m_canvas->SetIgnoreMouseEvents( true );
if( isUndoable )
SaveCopyInUndoList( aSheet, UR_CHANGED );
if( renameFile )
{
// If the the associated screen is shared by more than one sheet, do not
// change the filename of the corresponding screen here.
// (a new screen will be created later)
// if it is not shared, update the filename
if( aSheet->GetScreenCount() <= 1 )
aSheet->GetScreen()->SetFileName( newFilename );
try
{
pi->Save( newFilename, aSheet->GetScreen(), &Kiway() );
}
catch( const IO_ERROR& ioe )
{
msg.Printf( _( "Error occurred saving schematic file \"%s\"." ), newFilename );
DisplayErrorMessage( this, msg, ioe.What() );
msg.Printf( _( "Failed to save schematic \"%s\"" ), newFilename );
AppendMsgPanel( wxEmptyString, msg, CYAN );
return false;
}
// 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;
}
}
}
wxFileName userFileName = dlg.GetFileName();
userFileName.SetExt( SchematicFileExtension );
if( useScreen )
{
// Create a temporary sheet for recursion testing to prevent a possible recursion error.
std::unique_ptr< SCH_SHEET> tmpSheet( new SCH_SHEET );
tmpSheet->SetName( dlg.GetSheetName() );
tmpSheet->SetFileName( userFileName.GetFullPath() );
tmpSheet->SetScreen( useScreen );
// No need to check for valid library IDs if we are using an existing screen.
if( checkSheetForRecursion( tmpSheet.get(), aHierarchy ) )
{
if( restoreSheet )
aHierarchy->LastScreen()->Append( aSheet );
return false;
}
// It's safe to set the sheet screen now.
aSheet->SetScreen( useScreen );
}
else if( loadFromFile )
{
if( isExistingSheet )
{
// Temporarily remove the sheet from the current schematic page so that recursion
// and symbol library link tests can be performed with the modified sheet settings.
restoreSheet = true;
aHierarchy->LastScreen()->Remove( aSheet );
}
if( !LoadSheetFromFile( aSheet, aHierarchy, newFilename )
|| checkSheetForRecursion( aSheet, aHierarchy ) )
{
if( restoreSheet )
aHierarchy->LastScreen()->Append( aSheet );
return false;
}
if( restoreSheet )
aHierarchy->LastScreen()->Append( aSheet );
}
wxString tmpFn = userFileName.GetFullPath();
if( wxFileName::GetPathSeparator() == '\\' )
tmpFn.Replace( "\\", "/" );
aSheet->SetFileName( tmpFn );
aSheet->SetFileNameSize( dlg.GetFileNameTextSize() );
aSheet->SetName( dlg.GetSheetName() );
aSheet->SetSheetNameSize( dlg.GetSheetNameTextSize() );
if( aSheet->GetName().IsEmpty() )
aSheet->SetName( wxString::Format( wxT( "Sheet%8.8lX" ),
(long unsigned) aSheet->GetTimeStamp() ) );
if( aClearAnnotationNewItems )
*aClearAnnotationNewItems = clearAnnotation;
m_canvas->MoveCursorToCrossHair();
m_canvas->SetIgnoreMouseEvents( false );
GetCanvas()->GetView()->Update( aSheet );
OnModify();
return true;
}
/* Move selected sheet with the cursor.
* Callback function used by m_mouseCaptureCallback.
* Note also now this function is called only when resizing the sheet
* But the (very small code) relative to sheet move is still present here
*/
static void resizeSheetWithMouseCursor( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
BASE_SCREEN* screen = aPanel->GetScreen();
SCH_SHEET* sheet = dynamic_cast<SCH_SHEET*>( screen->GetCurItem() );
if( sheet == nullptr ) // Be sure we are using the right object
return;
wxPoint pos = sheet->GetPosition();
int width = aPanel->GetParent()->GetCrossHairPosition().x - pos.x;
int height = aPanel->GetParent()->GetCrossHairPosition().y - pos.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 width and 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 ) );
auto panel = static_cast<SCH_DRAW_PANEL*>( aPanel );
auto view = panel->GetView();
view->Hide( sheet );
view->ClearPreview();
view->AddToPreview( sheet->Clone() );
}
// 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 );
if( item->IsNew() )
{
delete item;
}
else if( item->IsMoving() || item->IsResized() )
{
parent->RemoveFromScreen( item );
delete item;
item = parent->GetUndoItem();
wxCHECK_RET( item != NULL, wxT( "Cannot restore undefined last sheet item." ) );
parent->AddToScreen( item );
// the owner of item is no more parent, this is the draw list of screen:
parent->SetUndoItem( NULL );
item->ClearFlags();
}
else
{
item->ClearFlags();
}
auto panel = static_cast<SCH_DRAW_PANEL*>( aPanel );
auto view = panel->GetView();
view->ClearPreview();
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( GetCurrentSheet().Last() );
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( resizeSheetWithMouseCursor, 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 );
std::vector<DANGLING_END_ITEM> emptySet;
aSheet->UpdateDanglingState( emptySet );
m_canvas->SetMouseCapture( resizeSheetWithMouseCursor, 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::RotateHierarchicalSheet( SCH_SHEET* aSheet, bool aRotCCW )
{
if( aSheet == NULL )
return;
// Save old sheet in undo list if not already in edit, or moving.
if( aSheet->GetFlags() == 0 )
SaveCopyInUndoList( aSheet, UR_CHANGED );
// Rotate the sheet on itself. Sheets do not have a anchor point.
// Rotation is made around it center
wxPoint rotPoint = aSheet->GetBoundingBox().Centre();
// Keep this rotation point on the grid, otherwise all items of this sheet
// will be moved off grid
rotPoint = GetNearestGridPosition( rotPoint );
// rotate CCW, or CW. to rotate CW, rotate 3 times
aSheet->Rotate( rotPoint );
if( !aRotCCW )
{
aSheet->Rotate( rotPoint );
aSheet->Rotate( rotPoint );
}
GetCanvas()->GetView()->Update( aSheet );
OnModify();
}
void SCH_EDIT_FRAME::MirrorSheet( SCH_SHEET* aSheet, bool aFromXaxis )
{
if( aSheet == NULL )
return;
// Save old sheet in undo list if not already in edit, or moving.
if( aSheet->GetFlags() == 0 )
SaveCopyInUndoList( aSheet, UR_CHANGED );
// Mirror the sheet on itself. Sheets do not have a anchor point.
// Mirroring is made around it center
wxPoint mirrorPoint = aSheet->GetBoundingBox().Centre();
if( aFromXaxis ) // mirror relative to Horizontal axis
aSheet->MirrorX( mirrorPoint.y );
else // Mirror relative to vertical axis
aSheet->MirrorY( mirrorPoint.x );
GetCanvas()->GetView()->Update( aSheet );
OnModify();
}
bool SCH_EDIT_FRAME::allowCaseSensitiveFileNameClashes( const wxString& aSchematicFileName )
{
wxString msg;
SCH_SCREENS screens;
wxFileName fn = aSchematicFileName;
wxCHECK( fn.IsAbsolute(), false );
if( m_showSheetFileNameCaseSensitivityDlg
&& screens.CanCauseCaseSensitivityIssue( aSchematicFileName ) )
{
msg.Printf( _( "The file name \"%s\" can cause issues with an existing file name\n"
"already defined in the schematic on systems that support case\n"
"insensitive file names. This will cause issues if you copy this\n"
"project to an operating system that supports case insensitive file\n"
"names.\n\nDo you wish to continue?" ),
fn.GetName() );
wxRichMessageDialog dlg( this, msg, _( "Warning" ),
wxYES_NO | wxNO_DEFAULT | wxICON_QUESTION );
dlg.ShowCheckBox( _( "Do not show this message again." ) );
dlg.SetYesNoLabels( wxMessageDialog::ButtonLabel( _( "Create New Sheet" ) ),
wxMessageDialog::ButtonLabel( _( "Discard New Sheet" ) ) );
if( dlg.ShowModal() == wxID_NO )
return false;
m_showSheetFileNameCaseSensitivityDlg = !dlg.IsCheckBoxChecked();
}
return true;
}
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