96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
/*
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* \brief Launcher entry widget
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* \author Norman Feske
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* \date 2006-09-13
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*/
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/*
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* Copyright (C) 2006-2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _LAUNCH_ENTRY_H_
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#define _LAUNCH_ENTRY_H_
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#include "loadbar.h"
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#include "launcher_config.h"
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template <typename PT>
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class Launch_entry : public Scout::Parent_element, public Loadbar_listener
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{
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private:
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Scout::Block _block;
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Kbyte_loadbar<PT> _loadbar;
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Scout::Launcher_config _config;
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Scout::Launcher _launcher;
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int _lh; /* launch entry height */
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enum { _PTW = 100 }; /* program text width */
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enum { _PADX = 10 }; /* program text width */
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enum { _PADR = 16 }; /* right padding */
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public:
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/**
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* Constructor
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*/
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Launch_entry(const char *prg_name, unsigned long initial_quota,
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unsigned long max_quota, Launchpad *launchpad,
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Genode::Dataspace_capability config_ds)
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:
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_block(Scout::Block::RIGHT), _loadbar(this, &Scout::label_font),
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_config(config_ds),
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_launcher(prg_name, launchpad, initial_quota * 1024UL, &_config)
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{
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_block.append_launchertext(prg_name, &Scout::link_style, &_launcher);
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_loadbar.max_value(max_quota);
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_loadbar.value(initial_quota);
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append(&_loadbar);
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append(&_block);
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_min_size = Scout::Area(_PTW + 100, _min_size.h());
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}
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/********************************
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** Loadbar listener interface **
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********************************/
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void loadbar_changed(int mx)
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{
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int value = _loadbar.value_by_xpos(mx - _loadbar.abs_position().x());
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_loadbar.value(value);
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_loadbar.refresh();
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_launcher.quota(1024 * (unsigned long)value);
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}
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/******************************
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** Parent element interface **
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******************************/
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void format_fixed_width(int w)
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{
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using namespace Scout;
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_block.format_fixed_width(_PTW);
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_lh = _block.min_size().h();
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_block.geometry(Rect(Point(max(10U, _PTW - _block.min_size().w()),
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max(0U, (_lh - _block.min_size().h())/2)),
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Area(min((unsigned)_PTW, _block.min_size().w()), _lh)));
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int lw = max(0, w - 2*_PADX - _PTW - _PADR);
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int ly = max(0U, (_lh - _loadbar.min_size().h())/2);
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_loadbar.format_fixed_width(lw);
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_loadbar.geometry(Rect(Point(_PADX + _PTW, ly), Area(lw, 16)));
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_min_size = Scout::Area(w, _lh);
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}
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};
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#endif
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