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
|
/* See LICENSE file for copyright and license details. */
#include <ctype.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "dmenu.h"
/* forward declarations */
static void cleanup(void);
/* variables */
static size_t cursor = 0;
void
cleanup(void) {
cleanupdraw(&dc);
XDestroyWindow(dpy, win);
XUngrabKeyboard(dpy, CurrentTime);
XCloseDisplay(dpy);
}
void
drawbar(void)
{
dc.x = 0;
dc.y = 0;
dc.w = mw;
dc.h = mh;
drawbox(&dc, normcol);
/* print prompt? */
if(prompt) {
dc.w = promptw;
drawbox(&dc, selcol);
drawtext(&dc, prompt, selcol);
dc.x += dc.w;
}
dc.w = mw - dc.x;
drawtext(&dc, text, normcol);
drawline(&dc, textnw(&dc, text, cursor) + dc.font.height/2, 2, 1,
dc.font.height-2, normcol);
commitdraw(&dc, win);
}
void
kpress(XKeyEvent *e) {
char buf[sizeof text];
int num;
unsigned int i, len;
KeySym ksym;
len = strlen(text);
num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
if(ksym == XK_KP_Enter)
ksym = XK_Return;
else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
ksym = (ksym - XK_KP_0) + XK_0;
else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
|| IsMiscFunctionKey(ksym) || IsPFKey(ksym)
|| IsPrivateKeypadKey(ksym))
return;
/* first check if a control mask is omitted */
if(e->state & ControlMask) {
switch(tolower(ksym)) {
default:
return;
case XK_a:
ksym = XK_Home;
break;
case XK_b:
ksym = XK_Left;
break;
case XK_c:
ksym = XK_Escape;
break;
case XK_e:
ksym = XK_End;
break;
case XK_f:
ksym = XK_Right;
break;
case XK_h:
ksym = XK_BackSpace;
break;
case XK_j:
case XK_m:
ksym = XK_Return;
break;
case XK_k:
text[cursor] = '\0';
break;
case XK_u:
memmove(text, text + cursor, sizeof text - cursor + 1);
cursor = 0;
break;
case XK_w:
if(cursor > 0) {
i = cursor;
while(i-- > 0 && text[i] == ' ');
while(i-- > 0 && text[i] != ' ');
memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
cursor = i + 1;
}
break;
case XK_y:
{
FILE *fp;
char *s;
if(!(fp = popen("sselp", "r")))
eprint("cannot popen sselp\n");
s = fgets(buf, sizeof buf, fp);
pclose(fp);
if(s == NULL)
return;
}
num = strlen(buf);
if(num && buf[num-1] == '\n')
buf[--num] = '\0';
break;
}
}
switch(ksym) {
default:
num = MIN(num, sizeof text - cursor);
if(num && !iscntrl((int) buf[0])) {
memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
memcpy(text + cursor, buf, num);
cursor += num;
}
break;
case XK_BackSpace:
if(cursor == 0)
return;
for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
cursor -= i;
break;
case XK_Delete:
if(cursor == len)
return;
for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
memmove(text + cursor, text + cursor + i, sizeof text - cursor);
break;
case XK_End:
cursor = len;
break;
case XK_Escape:
exit(EXIT_FAILURE);
case XK_Home:
cursor = 0;
break;
case XK_Left:
if(cursor == 0)
return;
while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
break;
case XK_Return:
fprintf(stdout, "%s", text);
fflush(stdout);
exit(EXIT_SUCCESS);
case XK_Right:
if(cursor == len)
return;
while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
break;
}
drawbar();
}
int
main(int argc, char *argv[]) {
unsigned int i;
/* command line args */
progname = "dinput";
for(i = 1; i < argc; i++)
if(!strcmp(argv[i], "-i"))
; /* ignore flag */
else if(!strcmp(argv[i], "-b"))
topbar = False;
else if(!strcmp(argv[i], "-l"))
i++; /* ignore flag */
else if(!strcmp(argv[i], "-fn")) {
if(++i < argc) font = argv[i];
}
else if(!strcmp(argv[i], "-nb")) {
if(++i < argc) normbgcolor = argv[i];
}
else if(!strcmp(argv[i], "-nf")) {
if(++i < argc) normfgcolor = argv[i];
}
else if(!strcmp(argv[i], "-p")) {
if(++i < argc) prompt = argv[i];
}
else if(!strcmp(argv[i], "-sb")) {
if(++i < argc) selbgcolor = argv[i];
}
else if(!strcmp(argv[i], "-sf")) {
if(++i < argc) selfgcolor = argv[i];
}
else if(!strcmp(argv[i], "-v")) {
printf("dinput-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
exit(EXIT_SUCCESS);
}
else if(!*text) {
strncpy(text, argv[i], sizeof text);
cursor = strlen(text);
}
else {
fputs("usage: dinput [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
" [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n", stderr);
exit(EXIT_FAILURE);
}
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fprintf(stderr, "dinput: warning: no locale support\n");
if(!(dpy = XOpenDisplay(NULL)))
eprint("cannot open display\n");
if(atexit(&cleanup) != 0)
eprint("cannot register cleanup\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
grabkeyboard();
setup(0);
run();
return 0;
}
|
