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gparted/src/Dialog_Base_Partition.cc

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Initial revision
2004-09-19 14:24:53 -06:00
/* Copyright (C) 2004 Bart
*
* 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../include/Dialog_Base_Partition.h"
namespace GParted
{
Dialog_Base_Partition::Dialog_Base_Partition( )
{
this ->set_has_separator( false ) ;
frame_resizer_base = NULL;
GRIP = false ;
this -> fixed_start = false ;
this -> set_resizable( false );
//pack resizer hbox
this ->get_vbox() ->pack_start( hbox_resizer, Gtk::PACK_SHRINK );
//add label_minmax
this ->get_vbox() ->pack_start( label_minmax, Gtk::PACK_SHRINK );
//pack hbox_main
this ->get_vbox() ->pack_start( hbox_main, Gtk::PACK_SHRINK );
//put the vbox with resizer stuff (cool widget and spinbuttons) in the hbox_main
hbox_main .pack_start( vbox_resize_move, Gtk::PACK_EXPAND_PADDING);
//fill table
table_resize .set_border_width( 5 ) ;
table_resize .set_row_spacings( 5 ) ;
hbox_table.pack_start( table_resize, Gtk::PACK_EXPAND_PADDING ) ;
hbox_table .set_border_width( 5 ) ;
vbox_resize_move .pack_start( hbox_table, Gtk::PACK_SHRINK );
//add spinbutton_before
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label_temp = manage( new Gtk::Label( (Glib::ustring) _( "Free Space Preceding (MB) :") + " \t" ) ) ;
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table_resize.attach( *label_temp, 0,1,0,1,Gtk::SHRINK);
spinbutton_before .set_numeric( true );
spinbutton_before .set_increments( 1, 100 );
table_resize.attach( spinbutton_before, 1,2,0,1,Gtk::FILL);
//add spinbutton_size
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label_temp = manage( new Gtk::Label( _( "New Size (MB) :") ) ) ;
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label_temp ->set_alignment( Gtk::ALIGN_LEFT );
table_resize.attach( *label_temp, 0,1,1,2 );
spinbutton_size .set_numeric( true );
spinbutton_size .set_increments( 1, 100 );
table_resize.attach( spinbutton_size, 1,2,1,2,Gtk::FILL);
//add spinbutton_after
changed some sentences on translators request
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label_temp = manage( new Gtk::Label( _( "Free Space Following (MB) :") ) ) ;
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label_temp ->set_alignment( Gtk::ALIGN_LEFT );
table_resize.attach( *label_temp, 0,1,2,3 ) ;
spinbutton_after .set_numeric( true );
spinbutton_after .set_increments( 1, 100 );
table_resize.attach( spinbutton_after, 1,2,2,3,Gtk::FILL);
if ( ! fixed_start )
before_value = spinbutton_before .get_value() ;
//connect signalhandlers of the spinbuttons
if ( ! fixed_start )
spinbutton_before .signal_value_changed().connect( sigc::bind<SPINBUTTON>( sigc::mem_fun( *this, &Dialog_Base_Partition::on_spinbutton_value_changed), BEFORE) ) ;
spinbutton_size .signal_value_changed().connect( sigc::bind<SPINBUTTON>( sigc::mem_fun( *this, &Dialog_Base_Partition::on_spinbutton_value_changed), SIZE) ) ;
spinbutton_after .signal_value_changed().connect( sigc::bind<SPINBUTTON>( sigc::mem_fun( *this, &Dialog_Base_Partition::on_spinbutton_value_changed), AFTER) ) ;
//pack label which warns about small differences in values..
label_temp = manage( new Gtk::Label( ) );
label_temp ->set_markup( "\n <i>" + (Glib::ustring) _( "NOTE: values on disk may differ slightly from the values entered here.") + "</i>" );
label_temp ->set_alignment( Gtk::ALIGN_LEFT ) ;
this ->get_vbox() ->pack_start( *label_temp, Gtk::PACK_SHRINK );
this ->get_vbox() ->pack_start( *( manage( new Gtk::Label( "") ) ), Gtk::PACK_SHRINK ); //filler :-P
this->add_button( Gtk::Stock::CANCEL,Gtk::RESPONSE_CANCEL );
this ->show_all_children() ;
}
void Dialog_Base_Partition::Set_Resizer( bool extended )
{
if ( extended )
{
frame_resizer_base = new Frame_Resizer_Extended( ) ;
}
else
{
frame_resizer_base = new Frame_Resizer_Base( ) ;
frame_resizer_base ->signal_move .connect ( sigc::mem_fun( this, &Dialog_Base_Partition::on_signal_move) );
}
frame_resizer_base ->set_border_width( 5 ) ;
frame_resizer_base ->set_shadow_type(Gtk::SHADOW_ETCHED_OUT);
//connect signals
frame_resizer_base ->signal_resize .connect ( sigc::mem_fun( this, &Dialog_Base_Partition::on_signal_resize) );
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hbox_resizer .pack_start( *frame_resizer_base, Gtk::PACK_EXPAND_PADDING );
Initial revision
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this ->show_all_children() ;
}
Partition Dialog_Base_Partition::Get_New_Partition()
{
//no need to set the start of a fixed_start one ;-)
if ( ! fixed_start )
selected_partition.sector_start = START + (Sector) spinbutton_before .get_value() * MEGABYTE ;
selected_partition.sector_end = selected_partition.sector_start + (Sector) spinbutton_size.get_value() * MEGABYTE ;
//due to loss of precision during calcs from Sector -> MB and back, it is possible the new partition thinks it's bigger then it can be. Here we solve this.
if ( selected_partition.sector_start < START )
selected_partition.sector_start = START ;
if ( selected_partition.sector_end > (START + total_length) )
selected_partition.sector_end = START + total_length ;
//grow a bit into small freespace ( < 1MB )
if ( (selected_partition.sector_start - START) < MEGABYTE )
selected_partition.sector_start = START ;
if ( ( START + total_length - selected_partition.sector_end ) < MEGABYTE )
selected_partition.sector_end = START + total_length ;
//set new value of unused..
if ( selected_partition .sectors_used != -1 )
selected_partition .sectors_unused = ( selected_partition .sector_end - selected_partition .sector_start) - selected_partition .sectors_used ;
return selected_partition ;
}
void Dialog_Base_Partition::Set_Confirm_Button( CONFIRMBUTTON button_type )
{
switch( button_type )
{
case NEW : this->add_button( Gtk::Stock::ADD,Gtk::RESPONSE_OK );
break ;
case RESIZE_MOVE : if ( selected_partition.filesystem == "ext2" || selected_partition.filesystem == "ext3" )
label_temp = manage( new Gtk::Label( _("Resize") ) ) ;
else
label_temp = manage( new Gtk::Label( _("Resize/Move") ) ) ;
image_temp = manage( new Gtk::Image( Gtk::Stock::GOTO_LAST, Gtk::ICON_SIZE_BUTTON ) );
hbox_resize_move .pack_start( *image_temp, Gtk::PACK_EXPAND_PADDING ) ;
hbox_resize_move .pack_start( *label_temp, Gtk::PACK_EXPAND_PADDING ) ;
button_resize_move .add( hbox_resize_move ) ;
this ->add_action_widget ( button_resize_move,Gtk::RESPONSE_OK ) ;
button_resize_move .set_sensitive( false ) ;
break ;
case PASTE : this->add_button( Gtk::Stock::PASTE,Gtk::RESPONSE_OK );
break ;
}
}
void Dialog_Base_Partition::on_signal_move( int x_start, int x_end )
{
GRIP = true ;
if ( x_start == 0 )
spinbutton_before .set_value( 0 ) ;
else
spinbutton_before .set_value( x_start * MB_PER_PIXEL ) ;
if ( x_end == 500 )
{
spinbutton_after .set_value(0 ) ;
spinbutton_before .set_value( TOTAL_MB - spinbutton_size .get_value() ) ;
}
else
spinbutton_after .set_value( TOTAL_MB - spinbutton_before .get_value() - spinbutton_size .get_value() ) ;
this ->x_start = x_start ;
this ->x_end = x_end ;
Check_Change() ;
GRIP = false ;
}
void Dialog_Base_Partition::on_signal_resize( int x_start, int x_end, Frame_Resizer_Base::ArrowType arrow)
{
GRIP = true ;
//check for upper/lower limit fat16
if ( selected_partition.filesystem == "fat16" && ( ( x_end - x_start ) * MB_PER_PIXEL > 1023 || ( x_end - x_start ) * MB_PER_PIXEL < 32 ) )
{
frame_resizer_base ->set_x_start( this ->x_start );
frame_resizer_base ->set_x_end( this ->x_end );
frame_resizer_base ->Draw_Partition() ;
GRIP = false ;
return ;
}
//check for lower limit fat32
if ( selected_partition.filesystem == "fat32" && ( x_end - x_start ) * MB_PER_PIXEL < 256 )
{
frame_resizer_base ->set_x_start( this ->x_start );
frame_resizer_base ->set_x_end( this ->x_end );
frame_resizer_base ->Draw_Partition() ;
GRIP = false ;
return ;
}
spinbutton_size .set_value( ( x_end - x_start ) * MB_PER_PIXEL ) ;
fixed_start ? before_value = 0 : before_value = spinbutton_before .get_value() ;
if ( arrow == Frame_Resizer_Base::ARROW_RIGHT ) //don't touch freespace before, leave it as it is
{
if ( x_end == 500 )
{
spinbutton_after .set_value(0 ) ;
spinbutton_size .set_value( TOTAL_MB - before_value ) ;
}
else
spinbutton_after .set_value( TOTAL_MB - before_value - spinbutton_size .get_value() ) ;
}
else if ( arrow == Frame_Resizer_Base::ARROW_LEFT ) //don't touch freespace after, leave it as it is
{
if ( x_start == 0 )
{
spinbutton_before .set_value( 0 );
spinbutton_size .set_value( TOTAL_MB - spinbutton_after.get_value() ) ;
}
else
spinbutton_before .set_value( TOTAL_MB - spinbutton_size .get_value() - spinbutton_after .get_value() ) ;
}
this ->x_start = x_start ;
this ->x_end = x_end ;
Check_Change() ;
GRIP = false ;
}
void Dialog_Base_Partition::on_spinbutton_value_changed( SPINBUTTON spinbutton )
{
if ( ! GRIP )
{
//i expect libparted soon to be able to move startpoint of ext2/3 as well, so everything is ready for it. Till then this rudimentary check
fixed_start ? before_value = 0 : before_value = spinbutton_before .get_value() ;
//Balance the spinbuttons
switch ( spinbutton )
{
case BEFORE : spinbutton_after.set_value( TOTAL_MB - spinbutton_size.get_value() - before_value) ;
spinbutton_size.set_value( TOTAL_MB - before_value - spinbutton_after.get_value( ) ) ;
break;
case SIZE : spinbutton_after.set_value( TOTAL_MB - before_value - spinbutton_size.get_value() );
if ( ! fixed_start )
spinbutton_before .set_value( TOTAL_MB - spinbutton_size.get_value() - spinbutton_after.get_value() );
break;
case AFTER : if ( ! fixed_start )
spinbutton_before .set_value( TOTAL_MB - spinbutton_size.get_value() - spinbutton_after.get_value() );
spinbutton_size.set_value( TOTAL_MB - before_value - spinbutton_after.get_value( ) ) ;
break;
}
//And apply the changes to the visual view...
if ( ! fixed_start )
frame_resizer_base ->set_x_start( (int) (spinbutton_before .get_value() / MB_PER_PIXEL + 0.5) ) ;
frame_resizer_base ->set_x_end( (int) ( 500 - ( (double) spinbutton_after .get_value() / MB_PER_PIXEL ) + 0.5 ) ) ;
this ->x_start = frame_resizer_base ->get_x_start() ;
this ->x_end = frame_resizer_base ->get_x_end() ;
frame_resizer_base ->Draw_Partition() ;
Check_Change() ;
}
}
void Dialog_Base_Partition::Check_Change()
{
if ( ORIG_BEFORE == spinbutton_before .get_value_as_int() &&
ORIG_SIZE == spinbutton_size .get_value_as_int() &&
ORIG_AFTER == spinbutton_after .get_value_as_int()
)
button_resize_move .set_sensitive( false ) ;
else
button_resize_move .set_sensitive( true ) ;
}
Dialog_Base_Partition::~Dialog_Base_Partition()
{
if ( frame_resizer_base )
delete frame_resizer_base ;
}
} //GParted