1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
// pkg_ver_item.h (This is -*-c++-*-)
//
// Copyright 1999-2002, 2004-2005, 2007 Daniel Burrows
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// Let you create tree nodes which refer to a particular version of a package.
#ifndef PKG_VER_ITEM_H
#define PKG_VER_ITEM_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "apt_info_tree.h"
#include "pkg_columnizer.h"
#include "pkg_node.h"
#include "pkg_grouppolicy.h"
#include "pkg_item_with_subtree.h"
#include <apt-pkg/version.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/pkgsystem.h>
class pkg_ver_columnizer:public pkg_item::pkg_columnizer
{
bool show_pkg_name;
public:
static cwidget::column_disposition setup_column(const pkgCache::VerIterator &ver,
bool show_pkg_name,
int basex,
int type);
cwidget::column_disposition setup_column(int type);
pkg_ver_columnizer(const pkgCache::VerIterator &_ver,
bool _show_pkg_name,
const cwidget::config::column_definition_list &_columns,
int _basex):
pkg_item::pkg_columnizer(_ver.ParentPkg(), _ver, _columns, _basex),
show_pkg_name(_show_pkg_name)
{
}
};
class pkg_ver_item:public pkg_tree_node
{
pkgCache::VerIterator version;
/** Stores the name of this version to avoid problems that can arise
* with cwidget::util::transcode().
*/
std::wstring version_name;
bool show_pkg_name;
pkg_signal *sig;
void do_highlighted_changed(bool highlighted);
public:
pkg_ver_item(const pkgCache::VerIterator &_version, pkg_signal *_sig,
bool _show_pkg_name=false);
pkgCache::PkgIterator get_package() const {return version.ParentPkg();}
const pkgCache::VerIterator &get_version() const {return version;}
virtual cwidget::style get_normal_style();
virtual cwidget::style get_highlighted_style();
virtual void paint(cwidget::widgets::tree *win, int y, bool hierarchical,
const cwidget::style &st);
virtual const wchar_t *tag();
virtual const wchar_t *label();
virtual void select(undo_group *undo);
virtual void hold(undo_group *undo);
virtual void keep(undo_group *undo);
virtual void remove(undo_group *undo);
virtual void purge(undo_group *undo);
virtual void reinstall(undo_group *undo);
virtual void set_auto(bool isauto, undo_group *undo);
virtual void forbid_version(undo_group *undo);
void show_information();
bool dispatch_key(const cwidget::config::key &k, cwidget::widgets::tree *owner);
pkg_ver_item *get_sig();
static cwidget::style ver_style(pkgCache::VerIterator version,
bool highlighted);
// Menu redirections:
bool package_forbid_enabled();
bool package_forbid();
bool package_changelog_enabled();
bool package_changelog();
bool package_information_enabled();
bool package_information();
};
class versort:public cwidget::widgets::sortpolicy
{
public:
inline int compare(const pkg_ver_item *item1, const pkg_ver_item *item2) const
{
if(item1->get_version().ParentPkg()!=item2->get_version().ParentPkg())
return strcmp(item1->get_version().ParentPkg().Name(),
item2->get_version().ParentPkg().Name());
return _system->VS->CmpVersion(item1->get_version().VerStr(), item2->get_version().VerStr());
}
bool operator()(cwidget::widgets::treeitem *item1, cwidget::widgets::treeitem *item2)
{
// FIXME: this is horrible.
const pkg_ver_item *pitem1=dynamic_cast<const pkg_ver_item *>(item1);
const pkg_ver_item *pitem2=dynamic_cast<const pkg_ver_item *>(item2);
if(pitem1 && pitem2)
return (compare(pitem1,pitem2)<0);
else
return false; // we shouldn't get here!
}
};
typedef pkg_item_with_subtree<pkg_ver_item, versort> pkg_vertree;
class pkg_vertree_generic:public cwidget::widgets::subtree<pkg_ver_item, versort>
{
std::wstring name;
public:
pkg_vertree_generic(std::wstring _name, bool _expanded):cwidget::widgets::subtree<pkg_ver_item, versort>(_expanded),name(_name) {}
void paint(cwidget::widgets::tree *win, int y, bool hierarchical, const cwidget::style &st)
{cwidget::widgets::subtree<pkg_ver_item, versort>::paint(win, y, hierarchical, name);}
const wchar_t *tag() {return name.c_str();}
const wchar_t *label() {return name.c_str();}
};
// The following policy will make each package given to it into a
// subtree containing all versions of the package known to apt-pkg.
class pkg_grouppolicy_ver_factory:public pkg_grouppolicy_factory
{
public:
virtual pkg_grouppolicy *instantiate(pkg_signal *sig, desc_signal *desc_sig);
};
// The next class displays the available versions of a single package.
// It takes over the screen when instantiated and returns to the previous
// screen when finished.
class pkg_ver_screen:public apt_info_tree
{
protected:
virtual cwidget::widgets::treeitem *setup_new_root(const pkgCache::PkgIterator &pkg,
const pkgCache::VerIterator &ver);
pkg_ver_screen(const pkgCache::PkgIterator &pkg);
public:
static cwidget::util::ref_ptr<pkg_ver_screen> create(const pkgCache::PkgIterator &pkg)
{
cwidget::util::ref_ptr<pkg_ver_screen> rval(new pkg_ver_screen(pkg));
rval->decref();
return rval;
}
};
typedef cwidget::util::ref_ptr<pkg_ver_screen> pkg_ver_screen_ref;
void setup_package_versions(const pkgCache::PkgIterator &pkg, pkg_vertree *tree, pkg_signal *sig);
void setup_package_versions(const pkgCache::PkgIterator &pkg, pkg_vertree_generic *tree, pkg_signal *sig);
// Adds all versions of a package to the given tree.
#endif
|
