127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
/* Copyright (C) 2004 Bart
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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 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GPARTED_DRAWINGAREAVISUALDISK_H
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#define GPARTED_DRAWINGAREAVISUALDISK_H
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#include "Partition.h"
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#include "PartitionVector.h"
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#include <gtkmm/drawingarea.h>
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namespace GParted
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{
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class DrawingAreaVisualDisk : public Gtk::DrawingArea
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{
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public:
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DrawingAreaVisualDisk();
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~DrawingAreaVisualDisk();
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void load_partitions( const PartitionVector & partitions, Sector device_length );
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void set_selected( const Partition * partition_ptr );
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void clear() ;
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// Public signals for interclass communication
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sigc::signal<void, const Partition *, bool> signal_partition_selected;
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sigc::signal< void > signal_partition_activated ;
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sigc::signal< void, unsigned int, unsigned int > signal_popup_menu ;
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private:
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struct visual_partition ;
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//private functions
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int get_total_separator_px( const PartitionVector & partitions );
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void set_static_data( const PartitionVector & partitions,
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std::vector<visual_partition> & visual_partitions,
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Sector length );
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int calc_length( std::vector<visual_partition> & visual_partitions, int length_px ) ;
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void calc_position_and_height( std::vector<visual_partition> & visual_partitions, int start, int border ) ;
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void calc_usage( std::vector<visual_partition> & visual_partitions ) ;
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void calc_text( std::vector<visual_partition> & visual_partitions ) ;
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void draw_partition(const Cairo::RefPtr<Cairo::Context>& cr,
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const visual_partition& vp);
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void draw_partitions(const Cairo::RefPtr<Cairo::Context>& cr,
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const std::vector<visual_partition>& visual_partitions);
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void set_selected( const std::vector<visual_partition> & visual_partitions, int x, int y ) ;
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void set_selected( const std::vector<visual_partition> & visual_partitions, const Partition * partition_ptr );
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int spreadout_leftover_px( std::vector<visual_partition> & visual_partitions, int pixels ) ;
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//overridden signalhandlers
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bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
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bool on_button_press_event( GdkEventButton * event ) ;
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void on_size_allocate( Gtk::Allocation & allocation ) ;
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//variables
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struct visual_partition
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{
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double fraction ; //Partition size as a fraction of containing disk or extended partition size
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int x_start, length ;
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int y_start, height ;
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int x_used_start, used_length ;
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int x_unused_start, unused_length ;
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int x_unallocated_start, unallocated_length ;
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int y_usage_start, usage_height ;
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int x_text, y_text ;
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Gdk::RGBA color;
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Glib::RefPtr<Pango::Layout> pango_layout;
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// Pointer to real partition. (Alias to element in Win_GParted::display_partitions[] vector).
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const Partition * partition_ptr;
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std::vector<visual_partition> logicals ;
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visual_partition()
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{
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fraction = 0.0 ;
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x_start = length =
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y_start = height =
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x_used_start = used_length =
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x_unused_start = unused_length =
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x_unallocated_start = unallocated_length =
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y_usage_start = usage_height =
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x_text = y_text = 0 ;
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pango_layout .clear() ;
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logicals .clear() ;
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}
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~visual_partition()
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{
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pango_layout .clear() ;
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logicals .clear() ;
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}
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};
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std::vector<visual_partition> visual_partitions ;
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const visual_partition * selected_vp ;
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int TOT_SEP, MIN_SIZE ;
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Gdk::RGBA color_used;
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Gdk::RGBA color_unused;
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Gdk::RGBA color_unallocated;
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Gdk::RGBA color_text;
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};
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} //GParted
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#endif /* GPARTED_DRAWINGAREAVISUALDISK_H */
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