Merge pull request #3 from saurabhb17/master

secondary files

1 files changed, 105 insertions, 0 deletions

diff --git a/include/class_pcb_screen.h b/include/class_pcb_screen.h
new file mode 100644
index 0000000..dc65b3d
--- /dev/null
+++ b/include/class_pcb_screen.h
@@ -0,0 +1,105 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2009-2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
+ * Copyright (C) 1992-2014 KiCad Developers, see CHANGELOG.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 class_pcb_screen.h
+ */
+
+#ifndef CLASS_PCB_SCREEN_H_
+#define CLASS_PCB_SCREEN_H_
+
+
+#include <class_base_screen.h>
+#include <class_board_item.h>
+
+
+class UNDO_REDO_CONTAINER;
+
+
+/* Handle info to display a board */
+class PCB_SCREEN : public BASE_SCREEN
+{
+public:
+    LAYER_ID m_Active_Layer;
+    LAYER_ID m_Route_Layer_TOP;
+    LAYER_ID m_Route_Layer_BOTTOM;
+
+public:
+
+    /**
+     * Constructor
+     * @param aPageSizeIU is the size of the initial paper page in internal units.
+     */
+    PCB_SCREEN( const wxSize& aPageSizeIU );
+
+    ~PCB_SCREEN();
+
+    PCB_SCREEN* Next() const { return static_cast<PCB_SCREEN*>( Pnext ); }
+
+    void        SetNextZoom();
+    void        SetPreviousZoom();
+    void        SetLastZoom();
+
+    virtual int MilsToIuScalar();
+
+    /**
+     * Function GetCurItem
+     * returns the currently selected BOARD_ITEM, overriding
+     * BASE_SCREEN::GetCurItem().
+     * @return BOARD_ITEM* - the one selected, or NULL.
+     */
+    BOARD_ITEM* GetCurItem() const
+    {
+        return (BOARD_ITEM*) BASE_SCREEN::GetCurItem();
+    }
+
+    /**
+     * Function SetCurItem
+     * sets the currently selected object, m_CurrentItem.
+     * @param aItem Any object derived from BOARD_ITEM
+     */
+    void SetCurItem( BOARD_ITEM* aItem ) { BASE_SCREEN::SetCurItem( (EDA_ITEM*)aItem ); }
+
+    /* full undo redo management : */
+
+    // use BASE_SCREEN::ClearUndoRedoList()
+    // use BASE_SCREEN::PushCommandToUndoList( PICKED_ITEMS_LIST* aItem )
+    // use BASE_SCREEN::PushCommandToRedoList( PICKED_ITEMS_LIST* aItem )
+
+    /**
+     * Function ClearUndoORRedoList
+     * free the undo or redo list from List element
+     *  Wrappers are deleted.
+     *  datas pointed by wrappers are deleted if not in use in schematic
+     *  i.e. when they are copy of a schematic item or they are no more in use
+     *  (DELETED)
+     * @param aList = the UNDO_REDO_CONTAINER to clear
+     * @param aItemCount = the count of items to remove. < 0 for all items
+     * items are removed from the beginning of the list.
+     * So this function can be called to remove old commands
+     */
+    void ClearUndoORRedoList( UNDO_REDO_CONTAINER& aList, int aItemCount = -1 );
+};
+
+#endif  // CLASS_PCB_SCREEN_H_