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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
// solution_dialog.cc
//
// Copyright (C) 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.
#include "solution_dialog.h"
#include "solution_fragment.h"
#include "ui.h"
#include <aptitude.h>
#include <cwidget/config/colors.h>
#include <cwidget/config/keybindings.h>
#include <cwidget/fragment.h>
#include <cwidget/widgets/button.h>
#include <cwidget/widgets/center.h>
#include <cwidget/widgets/frame.h>
#include <cwidget/widgets/scrollbar.h>
#include <cwidget/widgets/table.h>
#include <cwidget/widgets/text_layout.h>
#include <cwidget/toplevel.h>
#include <generic/apt/apt.h>
#include <generic/apt/aptitude_resolver_universe.h>
#include <generic/apt/resolver_manager.h>
#include <generic/problemresolver/exceptions.h>
#include <generic/problemresolver/solution.h>
#include <sigc++/bind.h>
namespace cw = cwidget;
namespace cwidget
{
using namespace widgets;
}
typedef generic_solution<aptitude_universe> aptitude_solution;
class solution_dialog:public cw::text_layout
{
aptitude_solution last_sol;
void handle_cache_reload()
{
if(apt_cache_file)
resman->state_changed.connect(sigc::mem_fun(*this, &solution_dialog::post_update));
update();
}
void post_update()
{
cw::toplevel::post_event(new cw::toplevel::slot_event(sigc::mem_fun(this, &solution_dialog::update)));
}
protected:
solution_dialog()
{
if(apt_cache_file)
resman->state_changed.connect(sigc::mem_fun(*this, &solution_dialog::post_update));
cache_closed.connect(sigc::mem_fun(*this, &solution_dialog::update));
cache_reloaded.connect(sigc::mem_fun(*this, &solution_dialog::handle_cache_reload));
update();
}
public:
static cw::util::ref_ptr<solution_dialog> create()
{
cw::util::ref_ptr<solution_dialog> rval(new solution_dialog);
rval->decref();
return rval;
}
void update()
{
cw::widget_ref tmpref(this);
if(!apt_cache_file)
{
set_fragment(cw::fragf("%s", _("The package cache is not available.")));
last_sol.nullify();
return;
}
if(!resman->resolver_exists())
{
// This makes ASS-U-MPTIONS about how resolver_exists works.
set_fragment(cw::fragf("%s", _("No packages are broken.")));
last_sol.nullify();
return;
}
resolver_manager::state state = resman->state_snapshot();
if(state.solutions_exhausted && state.generated_solutions == 0)
{
set_fragment(cw::fragf("%s", _("No resolution found.")));
return;
}
if(state.selected_solution >= state.generated_solutions)
{
if(state.background_thread_aborted)
{
set_fragment(cw::fragf("%s", state.background_thread_abort_msg.c_str()));
return;
}
else
{
set_fragment(cw::fragf("%s", _("Resolving dependencies...")));
return;
}
}
aptitude_solution sol = resman->get_solution(state.selected_solution, 0);
if(sol == last_sol)
return;
last_sol=sol;
if(sol.get_actions().empty())
set_fragment(cw::fragf("%s", _("Internal error: unexpected null solution.")));
else
set_fragment(solution_fragment(sol));
}
};
typedef cw::util::ref_ptr<solution_dialog> solution_dialog_ref;
static void do_apply(cw::widget &wBare)
{
cw::widget_ref w(&wBare);
do_apply_solution();
w->destroy();
}
cw::widget_ref make_solution_dialog()
{
cw::table_ref t=cw::table::create();
cw::widget_ref rval=cw::center::create(cw::frame::create(t));
cw::text_layout_ref display=solution_dialog::create();
cw::scrollbar_ref scrl=cw::scrollbar::create(cw::scrollbar::VERTICAL);
display->location_changed.connect(sigc::mem_fun(scrl.unsafe_get_ref(), &cw::scrollbar::set_slider));
scrl->scrollbar_interaction.connect(sigc::mem_fun(display.unsafe_get_ref(), &cw::text_layout::scroll));
t->add_widget_opts(display,
0, 0, 1, 1,
cw::table::EXPAND | cw::table::FILL | cw::table::SHRINK,
cw::table::EXPAND | cw::table::FILL | cw::table::SHRINK);
t->add_widget_opts(scrl,
0, 1, 1, 1,
cw::table::ALIGN_RIGHT,
cw::table::ALIGN_CENTER | cw::table::FILL | cw::table::SHRINK);
cw::table_ref bt=cw::table::create();
//t->set_bg(get_color("DefaultWidgetBackground")|A_REVERSE);
// TODO: for dialogs like this, I really should have support for
// "wrapping" lines of buttons if they get too long, like fragments.
cw::button_ref bprev = cw::button::create(_("Previous"));
cw::button_ref bnext = cw::button::create(_("Next"));
cw::button_ref bapply = cw::button::create(_("Apply"));
cw::button_ref bclose = cw::button::create(_("Close"));
bprev->pressed.connect(sigc::ptr_fun(do_previous_solution));
bnext->pressed.connect(sigc::ptr_fun(do_next_solution));
bapply->pressed.connect(sigc::bind(sigc::ptr_fun(do_apply),
rval.weak_ref()));
bclose->pressed.connect(sigc::mem_fun(rval.unsafe_get_ref(),
&cw::widget::destroy));
rval->connect_key("ApplySolution", &cw::config::global_bindings,
sigc::bind(sigc::ptr_fun(do_apply),
rval.weak_ref()));
bprev->set_bg_style(cw::style_attrs_flip(A_REVERSE));
bnext->set_bg_style(cw::style_attrs_flip(A_REVERSE));
bapply->set_bg_style(cw::style_attrs_flip(A_REVERSE));
bclose->set_bg_style(cw::style_attrs_flip(A_REVERSE));
bt->add_widget_opts(bprev,
0, 0, 1, 1,
cw::table::FILL | cw::table::EXPAND, cw::table::FILL);
bt->add_widget_opts(bnext,
0, 1, 1, 1,
cw::table::FILL | cw::table::EXPAND, cw::table::FILL);
bt->add_widget_opts(bapply,
0, 2, 1, 1,
cw::table::FILL | cw::table::EXPAND, cw::table::FILL);
bt->add_widget_opts(bclose,
0, 3, 1, 1,
cw::table::FILL | cw::table::EXPAND, cw::table::FILL);
t->add_widget_opts(bt, 1, 0, 1, 2,
cw::table::FILL | cw::table::EXPAND | cw::table::SHRINK,
cw::table::FILL);
return rval;
}
|
