Repository navigation
Expand file tree
/
Copy pathField.c
More file actions
267 lines (241 loc) · 6.7 KB
/
Copy pathField.c
File metadata and controls
267 lines (241 loc) · 6.7 KB
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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
#define _GNU_SOURCE
#include <string.h>
#include "Prototypes.h"
//#needs Object
//#needs List
//#needs Text
/*{
struct Field_ {
char* label;
int labelLen;
int x;
int y;
int w;
int labelColor;
int fieldColor;
List* history;
FieldItem* current;
int cursor;
};
struct FieldItemClass_ {
ListItemClass super;
};
struct FieldItem_ {
ListItem super;
Text text;
};
extern FieldItemClass FieldItemType;
#define Field_text(this) ((this)->current->text)
}*/
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
FieldItemClass FieldItemType = {
.super = {
.super = {
.size = sizeof(FieldItem),
.display = NULL,
.equals = Object_equals,
.delete = FieldItem_delete
}
}
};
Field* Field_new(const char* label, int x, int y, int w) {
Field* this = (Field*) malloc(sizeof(Field));
this->x = x;
this->y = y;
this->w = w;
this->labelColor = CRT_colors[StatusColor];
this->fieldColor = CRT_colors[FieldColor];
this->cursor = 0;
this->history = List_new( ClassAs(FieldItem, ListItem), NULL );
this->current = NULL;
this->label = malloc(w + 1);
this->labelLen = strlen(label);
strncpy(this->label, label, this->w);
assert(w - this->labelLen > 0);
return this;
}
void Field_delete(Field* this) {
List_delete(this->history);
free(this->label);
free(this);
}
FieldItem* FieldItem_new(List* list, int w) {
FieldItem* this = Pool_allocate(list->pool);
Bless(FieldItem);
this->text = Text_null();
return this;
}
void Field_printfLabel(Field* this, char* picture, ...) {
va_list ap;
va_start(ap, picture);
vsnprintf(this->label, this->w, picture, ap);
va_end(ap);
this->labelLen = strlen(this->label);
}
void FieldItem_delete(Object* cast) {
FieldItem* this = (FieldItem*) cast;
Text_prune(&(this->text));
Pool_free(this->super.list->pool, this);
}
void Field_start(Field* this) {
this->current = (FieldItem*) List_getLast(this->history);
if (!this->current || Text_chars(this->current->text) > 0) {
this->current = FieldItem_new(this->history, this->w);
List_add(this->history, (ListItem*) this->current);
}
this->cursor = 0;
}
FieldItem* Field_previousInHistory(Field* this) {
FieldItem* curr = this->current;
if (curr->super.prev) {
curr = (FieldItem*) curr->super.prev;
this->current = curr;
this->cursor = Text_chars(curr->text);
}
return curr;
}
int Field_run(Field* this, bool setCursor, bool* handled, bool* code) {
int cursorX, cursorY;
Display_getyx(&cursorY, &cursorX);
assert(this->current);
FieldItem* curr = this->current;
Display_attrset(this->labelColor);
int x = this->x;
Display_writeAtn(this->y, x, this->label, this->labelLen);
x += this->labelLen;
Display_writeAt(this->y, x, " [");
x += 2;
Display_writeAt(this->y, this->x + this->w - 1, "]");
int w = this->w - 3 - this->labelLen;
Display_attrset(this->fieldColor);
int display = Text_chars(curr->text);
if (display) {
Display_writeAtn(this->y, x, Text_toString(curr->text), Text_bytes(curr->text));
}
int rest = w - display;
if (rest)
Display_mvhline(this->y, x + display, ' ', rest);
Display_attrset(A_NORMAL);
if (setCursor) {
Display_move(this->y, this->x + this->labelLen + 2 + this->cursor);
} else {
Display_move(this->y, this->x + this->labelLen + 2 + this->cursor);
Display_attrset(A_REVERSE);
if (this->cursor < Text_chars(curr->text)) {
const char* ch = Text_stringAt(curr->text, this->cursor);
Display_writeAtn(this->y, x + this->cursor, ch, UTF8_bytes(*ch));
} else {
Display_writeAtn(this->y, x + this->cursor, " ", 1);
}
Display_move(cursorY, cursorX);
}
int ch = Display_getch(code);
if (!*code) {
*handled = false;
if (ch == KEY_CTRL('A')) { ch = KEY_HOME; *code = true; }
else if (ch == KEY_CTRL('E')) { ch = KEY_END; *code = true; }
else if (ch == '\177') { ch = KEY_BACKSPACE; *code = true; }
}
if (*code) {
*handled = true;
switch (ch) {
case KEY_LEFT:
if (this->cursor > 0)
this->cursor--;
break;
case KEY_RIGHT:
if (this->cursor < Text_chars(curr->text))
this->cursor++;
break;
case KEY_UP:
curr = Field_previousInHistory(this);
break;
case KEY_DOWN:
if (curr->super.next) {
curr = (FieldItem*) curr->super.next;
this->current = curr;
this->cursor = Text_chars(curr->text);
}
break;
case KEY_C_RIGHT:
this->cursor = Text_forwardWord(curr->text, this->cursor, false);
break;
case KEY_C_LEFT:
this->cursor = Text_backwardWord(curr->text, this->cursor, false);
break;
case KEY_HOME:
this->cursor = 0;
break;
case KEY_END:
this->cursor = Text_chars(curr->text);
break;
case KEY_DC:
Text_deleteChar(&(curr->text), this->cursor);
break;
case KEY_BACKSPACE:
if (this->cursor > 0) {
this->cursor--;
Text_deleteChar(&(curr->text), this->cursor);
}
break;
default:
*handled = false;
break;
}
}
return ch;
}
void Field_insertChar(Field* this, wchar_t ch) {
if (!this->current)
Field_start(this);
FieldItem* curr = this->current;
Text_insertChar(&(curr->text), this->cursor, ch);
this->cursor++;
}
void Field_clear(Field* this) {
if (!this->current)
Field_start(this);
FieldItem* curr = this->current;
Text_clear(&(curr->text));
this->cursor = 0;
}
void Field_setValue(Field* this, Text value) {
if (!this->current)
Field_start(this);
FieldItem* curr = this->current;
curr->text = Text_copy(value);
this->cursor = MIN(Text_chars(curr->text), this->cursor);
}
char* Field_getValue(Field* this) {
if (this->current && Text_toString(this->current->text)) {
return strdup(Text_toString(this->current->text));
}
return strdup("");
}
int Field_getLength(Field* this) {
if (!this->current)
return 0;
return Text_chars(this->current->text);
}
int Field_quickRun(Field* this, bool* quitMask) {
int result = 0;
bool quit = false;
if (!this->current)
Field_start(this);
while (!quit) {
bool handled;
bool code;
int ch = Field_run(this, false, &handled, &code);
if (!handled) {
if (!code && ch >= 32)
Field_insertChar(this, ch);
else if (ch == 27 || ch == 13 || ch == KEY_RESIZE || (ch >= 0 && ch <= 255 && quitMask[ch])) {
quit = true;
result = ch;
}
}
}
return result;
}