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
|
#include "dged/binding.h"
#include "dged/buffer.h"
#include "dged/minibuffer.h"
#include "dged/vec.h"
static struct keymap g_global_keymap, g_ctrlx_map, g_windows_keymap,
g_buffer_default_keymap;
struct buffer_keymap {
struct buffer *buffer;
bool active;
struct keymap keymap;
};
static VEC(struct buffer_keymap) g_buffer_keymaps;
void set_default_buffer_bindings(struct keymap *keymap) {
struct binding buffer_bindings[] = {
BINDING(Ctrl, 'B', "backward-char"),
BINDING(LEFT, "backward-char"),
BINDING(Ctrl, 'F', "forward-char"),
BINDING(RIGHT, "forward-char"),
BINDING(Ctrl, 'P', "backward-line"),
BINDING(UP, "backward-line"),
BINDING(Ctrl, 'N', "forward-line"),
BINDING(DOWN, "forward-line"),
BINDING(Meta, 'f', "forward-word"),
BINDING(Meta, 'b', "backward-word"),
BINDING(Ctrl, 'A', "beginning-of-line"),
BINDING(Ctrl, 'E', "end-of-line"),
BINDING(Ctrl, 'S', "find-next"),
BINDING(Ctrl, 'R', "find-prev"),
BINDING(Meta, '<', "goto-beginning"),
BINDING(Meta, '>', "goto-end"),
BINDING(Ctrl, 'V', "scroll-down"),
BINDING(Meta, 'v', "scroll-up"),
BINDING(ENTER, "newline"),
BINDING(TAB, "indent"),
BINDING(Ctrl, 'K', "kill-line"),
BINDING(DELETE, "delete-char"),
BINDING(Ctrl, 'D', "delete-char"),
BINDING(BACKSPACE, "backward-delete-char"),
BINDING(Ctrl, '@', "set-mark"),
BINDING(Ctrl, 'W', "cut"),
BINDING(Ctrl, 'Y', "paste"),
BINDING(Meta, 'y', "paste-older"),
BINDING(Meta, 'w', "copy"),
BINDING(Ctrl, '_', "undo"),
};
keymap_bind_keys(keymap, buffer_bindings,
sizeof(buffer_bindings) / sizeof(buffer_bindings[0]));
}
struct keymap *register_bindings() {
g_global_keymap = keymap_create("global", 32);
g_ctrlx_map = keymap_create("c-x", 32);
g_windows_keymap = keymap_create("c-x w", 32);
struct binding global_binds[] = {
PREFIX(Ctrl, 'X', &g_ctrlx_map),
BINDING(Ctrl, 'G', "abort"),
BINDING(Meta, 'x', "run-command-interactive"),
};
struct binding ctrlx_bindings[] = {
BINDING(Ctrl, 'C', "exit"),
BINDING(Ctrl, 'S', "buffer-write-to-file"),
BINDING(Ctrl, 'F', "find-file"),
BINDING(Ctrl, 'W', "write-file"),
BINDING(None, 'b', "switch-buffer"),
BINDING(None, '0', "window-close"),
BINDING(None, '1', "window-close-others"),
BINDING(None, '2', "window-split-horizontal"),
BINDING(None, '3', "window-split-vertical"),
BINDING(None, 'o', "window-focus-next"),
PREFIX(None, 'w', &g_windows_keymap),
};
// windows
struct binding window_subbinds[] = {
BINDING(None, '0', "window-focus-0"),
BINDING(None, '1', "window-focus-1"),
BINDING(None, '2', "window-focus-2"),
BINDING(None, '3', "window-focus-3"),
BINDING(None, '4', "window-focus-4"),
BINDING(None, '5', "window-focus-5"),
BINDING(None, '6', "window-focus-6"),
BINDING(None, '7', "window-focus-7"),
BINDING(None, '8', "window-focus-8"),
BINDING(None, '9', "window-focus-9"),
};
// buffers
g_buffer_default_keymap = keymap_create("buffer-default", 128);
set_default_buffer_bindings(&g_buffer_default_keymap);
keymap_bind_keys(&g_windows_keymap, window_subbinds,
sizeof(window_subbinds) / sizeof(window_subbinds[0]));
keymap_bind_keys(&g_global_keymap, global_binds,
sizeof(global_binds) / sizeof(global_binds[0]));
keymap_bind_keys(&g_ctrlx_map, ctrlx_bindings,
sizeof(ctrlx_bindings) / sizeof(ctrlx_bindings[0]));
VEC_INIT(&g_buffer_keymaps, 32);
return &g_global_keymap;
}
struct keymap *buffer_default_bindings() {
return &g_buffer_default_keymap;
}
int32_t execute(struct command_ctx ctx, int argc, const char *argv[]) {
// TODO: this should be more lib-like
return minibuffer_execute();
}
static struct command execute_minibuffer_command = {
.fn = execute,
.name = "minibuffer-execute",
.userdata = NULL,
};
void buffer_bind_keys(struct buffer *buffer, struct binding *bindings,
uint32_t nbindings) {
struct buffer_keymap *target = NULL;
VEC_FOR_EACH(&g_buffer_keymaps, struct buffer_keymap * km) {
if (buffer == km->buffer) {
target = km;
}
}
if (target == NULL) {
struct buffer_keymap new = (struct buffer_keymap){
.buffer = buffer,
.active = false,
};
VEC_PUSH(&g_buffer_keymaps, new);
target = VEC_BACK(&g_buffer_keymaps);
}
if (!target->active) {
target->keymap = keymap_create("buffer-overlay-keys", 32);
target->active = true;
set_default_buffer_bindings(&target->keymap);
}
keymap_bind_keys(&target->keymap, bindings, nbindings);
}
// TODO: do something better
void reset_buffer_keys(struct buffer *buffer) {
VEC_FOR_EACH(&g_buffer_keymaps, struct buffer_keymap * km) {
if (buffer == km->buffer) {
keymap_destroy(&km->keymap);
km->active = false;
}
}
}
struct keymap *buffer_keymap(struct buffer *buffer) {
VEC_FOR_EACH(&g_buffer_keymaps, struct buffer_keymap * km) {
if (buffer == km->buffer && km->active) {
return &km->keymap;
}
}
return &g_buffer_default_keymap;
}
void reset_minibuffer_keys(struct buffer *minibuffer) {
reset_buffer_keys(minibuffer);
struct binding bindings[] = {
ANONYMOUS_BINDING(ENTER, &execute_minibuffer_command),
};
buffer_bind_keys(minibuffer, bindings,
sizeof(bindings) / sizeof(bindings[0]));
}
void destroy_keymaps() {
keymap_destroy(&g_windows_keymap);
keymap_destroy(&g_global_keymap);
keymap_destroy(&g_ctrlx_map);
keymap_destroy(&g_buffer_default_keymap);
VEC_FOR_EACH(&g_buffer_keymaps, struct buffer_keymap * km) {
if (km->active) {
keymap_destroy(&km->keymap);
km->active = false;
}
}
}
|
