gparted/include/FrameVisualDisk.h

128 lines
3.7 KiB
C++

/* 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.
*/
#ifndef FRAME_VISUALDISK
#define FRAME_VISUALDISK
#include "../include/Partition.h"
#include <gtkmm/frame.h>
#include <gtkmm/drawingarea.h>
namespace GParted
{
class FrameVisualDisk : public Gtk::Frame
{
public:
FrameVisualDisk();
~FrameVisualDisk();
void load_partitions( const std::vector<Partition> & partitions, Sector device_length );
void set_selected( const Partition & partition ) ;
void clear() ;
//public signal for interclass communication
sigc::signal< void, const Partition &, bool > signal_partition_selected ;
sigc::signal< void > signal_partition_activated ;
sigc::signal< void, unsigned int, unsigned int > signal_popup_menu ;
private:
struct visual_partition ;
//private functions
int get_total_separator_px( const std::vector<Partition> & partitions ) ;
void set_static_data( const std::vector<Partition> & partitions, std::vector<visual_partition> & visual_partitions, Sector length ) ;
int calc_length( std::vector<visual_partition> & visual_partitions, int length_px ) ;
void calc_position_and_height( std::vector<visual_partition> & visual_partitions, int start, int border ) ;
void calc_used_unused( std::vector<visual_partition> & visual_partitions ) ;
void calc_text( std::vector<visual_partition> & visual_partitions ) ;
void draw_partitions( const std::vector<visual_partition> & visual_partitions ) ;
bool set_selected( std::vector<visual_partition> & visual_partitions, int x, int y ) ;
void set_selected( std::vector<visual_partition> & visual_partitions, const Partition & partition ) ;
int spreadout_leftover_px( std::vector<visual_partition> & visual_partitions, int pixels ) ;
void free_colors( std::vector<visual_partition> & visual_partitions ) ;
//signalhandlers
void drawingarea_on_realize();
bool drawingarea_on_expose( GdkEventExpose * event );
bool on_drawingarea_button_press( GdkEventButton * event );
void on_resize( Gtk::Allocation & allocation ) ;
//variables
struct visual_partition
{
double fraction ;
double fraction_used ;
int x_start, length ;
int y_start, height ;
int x_used_start, used_length ;
int x_unused_start, unused_length ;
int y_used_unused_start, used_unused_height ;
int x_text, y_text ;
bool selected ;
Gdk::Color color ;
Glib::RefPtr<Pango::Layout> pango_layout;
//real partition
Partition partition ;
std::vector<visual_partition> logicals ;
visual_partition()
{
fraction = fraction_used =
x_start = length =
y_start = height =
x_used_start = used_length =
x_unused_start = unused_length =
y_used_unused_start = used_unused_height =
x_text = y_text = 0 ;
selected = false ;
pango_layout .clear() ;
logicals .clear() ;
}
~visual_partition()
{
pango_layout .clear() ;
logicals .clear() ;
}
};
std::vector<visual_partition> visual_partitions ;
visual_partition selected_vp ;
int TOT_SEP, MIN_SIZE ;
Gtk::DrawingArea drawingarea;
Glib::RefPtr<Gdk::GC> gc;
Gdk::Color color_used, color_unused, color_text;
};
} //GParted
#endif //FRAME_VISUALDISK