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
|
#include "client.hh"
#include "color_registry.hh"
#include "context.hh"
#include "buffer_manager.hh"
#include "user_interface.hh"
#include "file.hh"
#include "remote.hh"
#include "client_manager.hh"
#include "window.hh"
namespace Kakoune
{
Client::Client(std::unique_ptr<UserInterface>&& ui,
std::unique_ptr<Window>&& window,
SelectionList selections,
EnvVarMap env_vars,
String name)
: m_ui{std::move(ui)}, m_window{std::move(window)},
m_input_handler{m_window->buffer(), std::move(selections),
std::move(name)},
m_env_vars(env_vars)
{
context().set_client(*this);
context().set_window(*m_window);
}
Client::~Client()
{
}
void Client::handle_available_input()
{
while (m_ui->is_key_available())
{
m_input_handler.handle_key(m_ui->get_key());
m_input_handler.clear_mode_trash();
}
context().window().forget_timestamp();
}
void Client::print_status(DisplayLine status_line)
{
m_status_line = std::move(status_line);
context().window().forget_timestamp();
}
DisplayLine Client::generate_mode_line() const
{
auto pos = context().selections().main().cursor();
auto col = context().buffer()[pos.line].char_count_to(pos.column);
std::ostringstream oss;
oss << context().buffer().display_name()
<< " " << (int)pos.line+1 << ":" << (int)col+1;
if (context().buffer().is_modified())
oss << " [+]";
if (m_input_handler.is_recording())
oss << " [recording (" << m_input_handler.recording_reg() << ")]";
if (context().buffer().flags() & Buffer::Flags::New)
oss << " [new file]";
oss << " [" << m_input_handler.mode_string() << "]" << " - "
<< context().name() << "@[" << Server::instance().session() << "]";
return { oss.str(), get_color("StatusLine") };
}
void Client::change_buffer(Buffer& buffer)
{
auto& client_manager = ClientManager::instance();
client_manager.add_free_window(std::move(m_window),
std::move(context().selections()));
WindowAndSelections ws = client_manager.get_free_window(buffer);
m_window = std::move(ws.window);
context().m_selections = std::move(ws.selections);
context().set_window(*m_window);
m_window->set_dimensions(ui().dimensions());
m_window->hooks().run_hook("WinDisplay", buffer.name(), context());
}
void Client::redraw_ifn()
{
if (context().window().timestamp() != context().buffer().timestamp())
{
CharCoord dimensions = context().ui().dimensions();
if (dimensions == CharCoord{0,0})
return;
context().window().set_dimensions(dimensions);
context().window().update_display_buffer(context());
context().ui().draw(context().window().display_buffer(),
m_status_line, generate_mode_line());
}
context().ui().refresh();
}
static void reload_buffer(Context& context, const String& filename)
{
CharCoord view_pos = context.window().position();
ByteCoord cursor_pos = context.selections().main().cursor();
Buffer* buf = create_buffer_from_file(filename);
if (not buf)
return;
context.change_buffer(*buf);
context.selections() = SelectionList{buf->clamp(cursor_pos)};
context.window().set_position(view_pos);
context.print_status({ "'" + buf->display_name() + "' reloaded",
get_color("Information") });
}
void Client::check_buffer_fs_timestamp()
{
Buffer& buffer = context().buffer();
auto reload = context().options()["autoreload"].get<YesNoAsk>();
if (not (buffer.flags() & Buffer::Flags::File) or reload == No)
return;
const String& filename = buffer.name();
time_t ts = get_fs_timestamp(filename);
if (ts == buffer.fs_timestamp())
return;
if (reload == Ask)
{
CharCoord pos = context().window().dimensions();
pos.column -= 1;
m_ui->info_show(
"reload '" + buffer.display_name() + "' ?",
"'" + buffer.display_name() + "' was modified externally\n"
"press r or y to reload, k or n to keep",
pos, get_color("Information"), MenuStyle::Prompt);
m_input_handler.on_next_key([this, filename, ts](Key key, Context& context) {
Buffer* buf = BufferManager::instance().get_buffer_ifp(filename);
m_ui->info_hide();
// buffer got deleted while waiting for the key, do nothing
if (not buf)
return;
if (key == 'r' or key == 'y')
reload_buffer(context, filename);
else if (key == 'k' or key == 'n')
{
buf->set_fs_timestamp(ts);
print_status({ "'" + buf->display_name() + "' kept",
get_color("Information") });
}
else
{
print_status({ "'" + key_to_str(key) + "' is not a valid choice",
get_color("Error") });
check_buffer_fs_timestamp();
}
});
}
else
reload_buffer(context(), filename);
}
const String& Client::get_env_var(const String& name) const
{
auto it = m_env_vars.find(name);
static String empty{};
if (it == m_env_vars.end())
return empty;
return it->second;
}
}
|