toolbox pour des tui - retour accueil
git clone git://bebou.netlib.re/tuit
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choose.c (3749B)
1 #define TB_IMPL
2 #include "termbox2.h"
3
4 /* Le chiffre c'est des octets. Les caractères sont encodés sur un octet chacun ?
5 * Donc si on met 5 la taille max serait 4 caractères ? */
6 #define ELEM_SIZE 1000
7
8 int max(int a, int b) { return a > b ? a : b; }
9 int min(int a, int b) { return a < b ? a : b; }
10
11 int main(int argc, char **argv) {
12 int curelem=0; int allcount=0; int start=0;
13 int curline=2;
14 char line[ELEM_SIZE];
15 char search[ELEM_SIZE];
16 char **all;
17
18 while (fgets(line, sizeof(line), stdin)) {
19 if(strlen(line)==1) continue;
20 all=realloc(all,(allcount+1)*sizeof(void*));
21 all[allcount] = malloc(ELEM_SIZE);
22 strcpy(all[allcount], line);
23 allcount++;
24 }
25
26 tb_init();
27 tb_hide_cursor();
28 tb_set_input_mode(TB_INPUT_ESC | TB_INPUT_MOUSE);
29 struct tb_event ev;
30 char buf[7]; buf[0]='\0';
31 signed int filtered[allcount+1];
32 filtered[allcount]=-1;
33 for (int i=0;i<allcount;i++) filtered[i]=i;
34 int filteredcount=allcount;
35
36 while(1) {
37 tb_clear();
38 tb_printf(0,0,TB_DEFAULT,TB_DEFAULT,"> %s",buf);
39 int y=1;
40 for (int i=0;i<tb_height();i++) {
41 if(filtered[i+start]==-1) break;
42 if (i==curline-2)
43 tb_printf(0,y++,TB_BLACK,TB_WHITE,"> %s",all[filtered[i+start]]);
44 else
45 tb_printf(0,y++,TB_DEFAULT,TB_DEFAULT," %s",all[filtered[i+start]]);
46 }
47 tb_present();
48 tb_poll_event(&ev);
49 switch(ev.type) {
50 case 1:
51 switch(ev.key) {
52 /* enter */
53 case 13:
54 tb_shutdown();
55 printf("%s",all[curelem]);
56 return 0;
57 /* esc */
58 case 27:
59 tb_shutdown();
60 return 0;
61 /* backspace */
62 case 127:
63 buf[0]='\0';
64 start=0; filteredcount=0;
65 for (int i=0;i<allcount;i++)
66 if (strchr(all[i],buf[0])) {
67 filtered[filteredcount]=i;
68 filteredcount++;
69 }
70 filtered[filteredcount]=-1;
71 curline=2;
72 curelem=filtered[0];
73 break;
74 /* up */
75 case 65517:
76 if(curline==2) start=max(0,start-1);
77 curline=max(2,curline-1);
78 curelem=filtered[curline+start-2];
79 break;
80 /* down */
81 case 65516:
82 if(curline==tb_height())
83 start=min(filteredcount-tb_height(),start)+1;
84 curline=min(filteredcount+1,min(tb_height(),curline+1));
85 curelem=filtered[curline+start-2];
86 break;
87 /* pageup and pagedown */
88 case 65519:
89 if(start-tb_height()>0) {
90 start=start-tb_height();
91 curelem=curelem-tb_height();
92 } else start=curelem=0;
93 break;
94 case 65518:
95 if(start+2*tb_height()<allcount) {
96 start=start+tb_height();
97 curelem=curelem+tb_height();
98 } else {
99 start=max(0,allcount-tb_height());
100 curelem=allcount-1;
101 }
102 break;
103 case 0:
104 buf[tb_utf8_unicode_to_char(buf, ev.ch)] = '\0';
105 start=0; filteredcount=0;
106 for (int i=0;i<allcount;i++)
107 if (strchr(all[i],buf[0])) {
108 filtered[filteredcount]=i;
109 filteredcount++;
110 }
111 filtered[filteredcount]=-1;
112 curline=2;
113 curelem=filtered[0];
114 default:
115 break;
116 }
117 break;
118 case 3: /*Mouse*/
119 switch(ev.key) {
120 case 65512: /*MouseLeft*/
121 curline=min(ev.y,allcount)+1;
122 curelem=filtered[curline+start-2];
123 break;
124 case 65511: /*MouseRight*/
125 curline=min(ev.y,allcount)+1;
126 curelem=filtered[curline+start-2];
127 tb_shutdown();
128 printf("%s",all[curelem]);
129 return 0;
130 case 65508: /*MouseWheelUp*/
131 if(curline==2) start=max(0,start-1);
132 curline=max(2,curline-1);
133 curelem=filtered[curline+start-2];
134 break;
135 case 65507: /*MouseWheelDown*/
136 if(curline==tb_height()) start=start+1;
137 curline=min(allcount+1,min(tb_height(),curline+1));
138 curelem=filtered[curline+start-2];
139 break;
140 }
141 }
142 }
143 return 0;
144 }