158 lines
6.4 KiB
C++
158 lines
6.4 KiB
C++
/* Copyright (C) 2004 Bart
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* Copyright (C) 2008, 2009 Curtis Gedak
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 Library 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "../include/Dialog_Partition_Copy.h"
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namespace GParted
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{
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Dialog_Partition_Copy::Dialog_Partition_Copy( const FS & fs, Sector cylinder_size )
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{
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this ->fs = fs ;
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BUF = cylinder_size ;
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Set_Resizer( false ) ;
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Set_Confirm_Button( PASTE ) ;
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}
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void Dialog_Partition_Copy::Set_Data( const Partition & selected_partition, const Partition & copied_partition )
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{
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this ->set_title( String::ucompose( _("Paste %1"), copied_partition .get_path() ) ) ;
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//set partition color
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frame_resizer_base ->set_rgb_partition_color( copied_partition .color ) ;
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//set some widely used values...
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START = selected_partition .sector_start ;
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total_length = selected_partition .get_length() ;
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TOTAL_MB = Utils::round( Utils::sector_to_unit( selected_partition .get_length(), GParted::UNIT_MIB ) ) ;
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MB_PER_PIXEL = TOTAL_MB / 500.00 ;
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long COPIED_LENGTH_MB = Utils::round( Utils::sector_to_unit( copied_partition .get_length(), GParted::UNIT_MIB ) ) ;
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// /* Copy Primary not at start of disk to within Extended partition */
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// Adjust when a primary partition is copied and pasted
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// into an unallocated space in an extended partition
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// of an MSDOS partition table.
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// Since the Extended Boot Record requires an additional track,
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// this must be considered in the required space for the
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// destination (selected) partition.
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// NOTE: This problem does not occur for a primary partition
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// at the the start of the disk because the size of the EBR and
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// Master Boot Record are the same.
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//
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// /* Copy Primary not at start of disk to Primary at start of disk */
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// Also Adjust when a primary partition that does not start at the
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// beginning of the disk is copied and pasted
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// into an unallocated space at the start of the disk device.
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// Since the Master Boot Record requires an additional track,
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// this must be considered in the required space for the
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// destination (selected) partition.
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//
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// Because the largest unit used in the GUI is one
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// cylinder size (round to cylinders), the space
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// needed in the destination partition needs to be increased
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// by enough to round up one cylinder size.
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// Increase by half a cylinder size (or 4 MB) because this
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// will round up to the next cylinder size.
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// 8 MB is typical cylinder size with todays larger disks.
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// 8 MB = (255 heads) * (63 sectors) * (512 bytes)
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//
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//FIXME: Should confirm MSDOS partition table type, track sector size, and use cylinder size from device
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if ( (/* Copy Primary not at start of disk to within Extended partition */
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copied_partition .type == TYPE_PRIMARY
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&& copied_partition .sector_start > 63
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&& selected_partition .type == TYPE_UNALLOCATED
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&& selected_partition .inside_extended
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)
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|| ( /* Copy Primary not at start of disk to Primary at start of disk */
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copied_partition .type == TYPE_PRIMARY
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&& copied_partition .sector_start > 63
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&& selected_partition .type == TYPE_UNALLOCATED
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&& selected_partition .sector_start <=63 /* Beginning of disk device */
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&& ! selected_partition .inside_extended
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)
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)
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COPIED_LENGTH_MB += 4 ;
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//now calculate proportional length of partition
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frame_resizer_base ->set_x_start( 0 ) ;
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int x_end = Utils::round( COPIED_LENGTH_MB / ( TOTAL_MB/500.00 ) ) ; //> 500 px only possible with xfs...
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frame_resizer_base ->set_x_end( x_end > 500 ? 500 : x_end ) ;
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frame_resizer_base ->set_used(
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Utils::round( Utils::sector_to_unit(
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copied_partition .sectors_used, GParted::UNIT_MIB ) / (TOTAL_MB/500.00) ) ) ;
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if ( fs .grow )
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fs .MAX = ( ! fs .MAX || fs .MAX > (TOTAL_MB * MEBIBYTE) ) ? (TOTAL_MB * MEBIBYTE) : fs .MAX - BUF ;
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else
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fs .MAX = copied_partition .get_length() ;
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if ( fs .filesystem == GParted::FS_XFS ) //bit hackisch, but most effective, since it's a unique situation
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fs .MIN = copied_partition .sectors_used + (BUF * 2) ;
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else
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fs .MIN = COPIED_LENGTH_MB * MEBIBYTE ;
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GRIP = true ;
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//set values of spinbutton_before
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spinbutton_before .set_range( 0, TOTAL_MB - Utils::round( Utils::sector_to_unit( fs .MIN, GParted::UNIT_MIB ) ) ) ;
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spinbutton_before .set_value( 0 ) ;
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//set values of spinbutton_size
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spinbutton_size .set_range(
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Utils::round( Utils::sector_to_unit( fs .MIN, GParted::UNIT_MIB ) ),
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Utils::round( Utils::sector_to_unit( fs .MAX, GParted::UNIT_MIB ) ) ) ;
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spinbutton_size .set_value( COPIED_LENGTH_MB ) ;
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//set values of spinbutton_after
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spinbutton_after .set_range( 0, TOTAL_MB - Utils::round( Utils::sector_to_unit( fs .MIN, GParted::UNIT_MIB ) ) ) ;
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spinbutton_after .set_value( TOTAL_MB - COPIED_LENGTH_MB ) ;
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GRIP = false ;
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frame_resizer_base ->set_size_limits( Utils::round( fs .MIN / (MB_PER_PIXEL * MEBIBYTE) ),
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Utils::round( fs .MAX / (MB_PER_PIXEL * MEBIBYTE) ) ) ;
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//set contents of label_minmax
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Set_MinMax_Text(
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Utils::round( Utils::sector_to_unit( fs .MIN, GParted::UNIT_MIB ) ),
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Utils::round( Utils::sector_to_unit( fs .MAX, GParted::UNIT_MIB ) ) ) ;
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//set global selected_partition (see Dialog_Base_Partition::Get_New_Partition )
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this ->selected_partition = copied_partition ;
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this ->selected_partition .device_path = selected_partition .device_path ;
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this ->selected_partition .inside_extended = selected_partition .inside_extended ;
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this ->selected_partition .type =
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selected_partition .inside_extended ? GParted::TYPE_LOGICAL : GParted::TYPE_PRIMARY ;
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this ->show_all_children() ;
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}
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Partition Dialog_Partition_Copy::Get_New_Partition()
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{
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//first call baseclass to get the correct new partition
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selected_partition = Dialog_Base_Partition::Get_New_Partition() ;
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//set proper name and status for partition
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selected_partition .status = GParted::STAT_COPY ;
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return selected_partition ;
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}
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} //GParted
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