kicad/eeschema/edit_label.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 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 edit_label.cpp
* @brief Label, global label and text creation and editing.
*/
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#include <fctsys.h>
#include <gr_basic.h>
#include <base_struct.h>
#include <drawtxt.h>
#include <class_drawpanel.h>
#include <confirm.h>
#include <wxEeschemaStruct.h>
#include <kicad_device_context.h>
#include <general.h>
#include <protos.h>
#include <sch_text.h>
#include <eeschema_id.h>
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static int lastGlobalLabelShape = (int) NET_INPUT;
static int lastTextOrientation = 0;
static bool lastTextBold = false;
static bool lastTextItalic = false;
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void SCH_EDIT_FRAME::ChangeTextOrient( SCH_TEXT* aTextItem, wxDC* aDC )
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{
wxCHECK_RET( (aTextItem != NULL) && aTextItem->CanIncrementLabel(),
wxT( "Invalid schematic text item." ) );
int orient = ( aTextItem->GetOrientation() + 1 ) & 3;
// Save current text orientation in undo list if is not already in edit.
if( aTextItem->GetFlags() == 0 )
SaveCopyInUndoList( aTextItem, UR_CHANGED );
m_canvas->CrossHairOff( aDC );
aTextItem->Draw( m_canvas, aDC, wxPoint( 0, 0 ), g_XorMode );
aTextItem->SetOrientation( orient );
OnModify();
aTextItem->Draw( m_canvas, aDC, wxPoint( 0, 0 ), g_XorMode );
m_canvas->CrossHairOn( aDC );
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}
SCH_TEXT* SCH_EDIT_FRAME::CreateNewText( wxDC* aDC, int aType )
{
SCH_TEXT* textItem = NULL;
m_itemToRepeat = NULL;
switch( aType )
{
case LAYER_NOTES:
textItem = new SCH_TEXT( GetScreen()->GetCrossHairPosition() );
break;
case LAYER_LOCLABEL:
textItem = new SCH_LABEL( GetScreen()->GetCrossHairPosition() );
break;
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case LAYER_HIERLABEL:
textItem = new SCH_HIERLABEL( GetScreen()->GetCrossHairPosition() );
textItem->SetShape( lastGlobalLabelShape );
break;
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case LAYER_GLOBLABEL:
textItem = new SCH_GLOBALLABEL( GetScreen()->GetCrossHairPosition() );
textItem->SetShape( lastGlobalLabelShape );
break;
default:
DisplayError( this, wxT( "SCH_EDIT_FRAME::CreateNewText() Internal error" ) );
return NULL;
}
textItem->m_Bold = lastTextBold;
textItem->m_Italic = lastTextItalic;
textItem->SetOrientation( lastTextOrientation );
textItem->m_Size.x = textItem->m_Size.y = GetDefaultLabelSize();
textItem->SetFlags( IS_NEW | IS_MOVED );
textItem->Draw( m_canvas, aDC, wxPoint( 0, 0 ), g_XorMode );
EditSchematicText( textItem );
if( textItem->m_Text.IsEmpty() )
{
SAFE_DELETE( textItem );
return NULL;
}
lastTextBold = textItem->m_Bold;
lastTextItalic = textItem->m_Italic;
lastTextOrientation = textItem->GetOrientation();
if( (aType == SCH_GLOBAL_LABEL_T) || (aType == SCH_HIERARCHICAL_LABEL_T) )
{
lastGlobalLabelShape = textItem->GetShape();
}
textItem->Draw( m_canvas, aDC, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
MoveItem( (SCH_ITEM*) textItem, aDC );
return textItem;
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}
/*
* OnConvertTextType is a command event handler to change a text type to an other one.
* The new text, label, hierarchical label, or global label is created from the old text
* The old text is deleted.
* A tricky case is when the 'old" text is being edited (i.e. moving)
* because we must create a new text, and prepare the undo/redo command data for this
* change and the current move/edit command
*/
void SCH_EDIT_FRAME::OnConvertTextType( wxCommandEvent& aEvent )
{
SCH_SCREEN* screen = GetScreen();
SCH_TEXT* text = (SCH_TEXT*) screen->GetCurItem();
wxCHECK_RET( (text != NULL) && text->CanIncrementLabel(),
wxT( "Cannot convert text type." ) );
KICAD_T type;
switch( aEvent.GetId() )
{
case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_LABEL:
type = SCH_LABEL_T;
break;
case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_GLABEL:
type = SCH_GLOBAL_LABEL_T;
break;
case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_HLABEL:
type = SCH_HIERARCHICAL_LABEL_T;
break;
case ID_POPUP_SCH_CHANGE_TYPE_TEXT_TO_COMMENT:
type = SCH_TEXT_T;
break;
default:
wxFAIL_MSG( wxString::Format( wxT( "Invalid text type command ID %d." ),
aEvent.GetId() ) );
return;
}
if( text->Type() == type )
return;
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SCH_TEXT* newtext;
switch( type )
{
case SCH_LABEL_T:
newtext = new SCH_LABEL( text->m_Pos, text->m_Text );
break;
case SCH_GLOBAL_LABEL_T:
newtext = new SCH_GLOBALLABEL( text->m_Pos, text->m_Text );
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break;
case SCH_HIERARCHICAL_LABEL_T:
newtext = new SCH_HIERLABEL( text->m_Pos, text->m_Text );
break;
case SCH_TEXT_T:
newtext = new SCH_TEXT( text->m_Pos, text->m_Text );
break;
default:
newtext = NULL;
wxFAIL_MSG( wxString::Format( wxT( "Cannot convert text type to %d" ), type ) );
return;
}
/* Copy the old text item settings to the new one. Justifications are not copied because
* they are not used in labels. Justifications will be set to default value in the new
* text item type.
*/
newtext->SetFlags( text->GetFlags() );
newtext->SetShape( text->GetShape() );
newtext->SetOrientation( text->GetOrientation() );
newtext->m_Size = text->m_Size;
newtext->m_Thickness = text->m_Thickness;
newtext->m_Italic = text->m_Italic;
newtext->m_Bold = text->m_Bold;
/* Save the new text in undo list if the old text was not itself a "new created text"
* In this case, the old text is already in undo list as a deleted item.
* Of course if the old text was a "new created text" the new text will be
* put in undo list later, at the end of the current command (if not aborted)
*/
INSTALL_UNBUFFERED_DC( dc, m_canvas );
m_canvas->CrossHairOff( &dc ); // Erase schematic cursor
text->Draw( m_canvas, &dc, wxPoint( 0, 0 ), g_XorMode );
// For an exiting item (i.e. already in list):
// replace the existing item by the new text in list
for( SCH_ITEM* item = screen->GetDrawItems(); item != NULL; item = item->Next() )
{
if( item == text )
{
screen->Remove( text );
screen->Append( newtext );
break;
}
}
m_itemToRepeat = NULL;
OnModify();
newtext->Draw( m_canvas, &dc, wxPoint( 0, 0 ), GR_DEFAULT_DRAWMODE );
m_canvas->CrossHairOn( &dc ); // redraw schematic cursor
// if the old item is the current schematic item, replace it by the new text:
if( screen->GetCurItem() == text )
screen->SetCurItem( newtext );
if( text->IsNew() )
{
// if the previous text is new, no undo command to prepare here
// just delete this previous text.
delete text;
return;
}
// previous text is not new and we replace text by new text.
// So this is equivalent to delete text and add newtext
// If text if being currently edited (i.e. moved)
// we also save the initial copy of text, and prepare undo command for new text modifications.
// we must save it as modified text,if it is currently edited, then save as deleted text,
// and replace text with newtext
PICKED_ITEMS_LIST pickList;
ITEM_PICKER picker( text, UR_CHANGED );
if( text->GetFlags() )
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{
// text is being edited, save initial text for undo command
picker.SetLink( GetUndoItem() );
pickList.PushItem( picker );
// the owner of undoItem is no more "this", it is now "picker":
SetUndoItem( NULL );
// save current newtext copy for undo/abort current command
SetUndoItem( newtext );
}
// Prepare undo command for delete old text
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picker.SetStatus( UR_DELETED );
picker.SetLink( NULL );
pickList.PushItem( picker );
// Prepare undo command for new text
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picker.SetStatus( UR_NEW );
picker.SetItem(newtext);
pickList.PushItem( picker );
SaveCopyInUndoList( pickList, UR_UNSPECIFIED );
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}
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/* Function to increment bus label members numbers,
* i.e. when a text is ending with a number, adds
* <RepeatDeltaLabel> to this number
*/
void IncrementLabelMember( wxString& name )
{
int ii, nn;
long number = 0;
ii = name.Len() - 1; nn = 0;
if( !isdigit( name.GetChar( ii ) ) )
return;
while( (ii >= 0) && isdigit( name.GetChar( ii ) ) )
{
ii--; nn++;
}
ii++; /* digits are starting at ii position */
wxString litt_number = name.Right( nn );
if( litt_number.ToLong( &number ) )
{
number += g_RepeatDeltaLabel;
name.Remove( ii ); name << number;
}
}