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/* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GPARTED_DRAWINGAREAVISUALDISK_H
#define GPARTED_DRAWINGAREAVISUALDISK_H
#include "Partition.h"
#include "PartitionVector.h"
#include <gtkmm/drawingarea.h>
#include <sigc++/signal.h>
namespace GParted
{
class DrawingAreaVisualDisk : public Gtk::DrawingArea
{
public:
DrawingAreaVisualDisk();
~DrawingAreaVisualDisk();
void load_partitions( const PartitionVector & partitions, Sector device_length );
void set_selected( const Partition * partition_ptr );
void clear() ;
// Public signals 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 VisualPartition;
//private functions
int get_total_separator_px( const PartitionVector & partitions );
void set_static_data(const PartitionVector & partitions,
std::vector<VisualPartition>& visual_partitions,
Sector device_length);
int calc_length(std::vector<VisualPartition>& visual_partitions, int length_px);
void calc_position_and_height(std::vector<VisualPartition>& visual_partitions, int start, int border);
void calc_usage(std::vector<VisualPartition>& visual_partitions);
void calc_text(std::vector<VisualPartition>& visual_partitions);
void draw_partition(const Cairo::RefPtr<Cairo::Context>& cr,
const VisualPartition& vp);
void draw_partitions(const Cairo::RefPtr<Cairo::Context>& cr,
const std::vector<VisualPartition>& visual_partitions);
bool set_selected_by_coord(const std::vector<VisualPartition>& visual_partitions,
int x, int y);
bool set_selected_by_ptn(const std::vector<VisualPartition>& visual_partitions,
const Partition* partition_ptr);
int spreadout_leftover_px(std::vector<VisualPartition>& visual_partitions, int pixels);
//overridden signalhandlers
bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
bool on_button_press_event( GdkEventButton * event ) ;
void on_size_allocate( Gtk::Allocation & allocation ) ;
//variables
struct VisualPartition
{
double fraction ; //Partition size as a fraction of containing disk or extended partition size
int x_start, length ;
int y_start, height ;
int x_used_start, used_length ;
int x_unused_start, unused_length ;
int x_unallocated_start, unallocated_length ;
int y_usage_start, usage_height ;
int x_text, y_text ;
Gdk::RGBA color;
Glib::RefPtr<Pango::Layout> pango_layout;
// Pointer to real partition. (Alias to element in Win_GParted::m_display_device.partitions[] vector).
const Partition * partition_ptr;
std::vector<VisualPartition> logicals;
VisualPartition()
{
fraction = 0.0 ;
x_start = length =
y_start = height =
x_used_start = used_length =
x_unused_start = unused_length =
x_unallocated_start = unallocated_length =
y_usage_start = usage_height =
x_text = y_text = 0 ;
pango_layout .clear() ;
logicals .clear() ;
}
~VisualPartition()
{
pango_layout .clear() ;
logicals .clear() ;
}
};
std::vector<VisualPartition> m_visual_partitions;
const VisualPartition* m_selected_vp;
int m_tot_sep;
int m_min_size;
const Gdk::RGBA m_color_used;
const Gdk::RGBA m_color_unused;
const Gdk::RGBA m_color_unallocated;
const Gdk::RGBA m_color_text;
};
} // namespace GParted
#endif /* GPARTED_DRAWINGAREAVISUALDISK_H */
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