Tracer des diagrammes dans un terminal - retour accueil
git clone git://bebou.netlib.re/boxes
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boxes.c (5928B)
1 #define TB_IMPL
2 #include "termbox2.h"
3
4 #define MAX_BOX_NB 100
5
6 struct box { int x; int y; int h; int w; };
7 struct arrow { int startx; int starty; int endx; int endy; };
8 struct boxpile { struct box* list; int count; };
9 struct arrowpile { struct arrow* list; int count; };
10
11 void drawboxcoord(int x, int y, int w, int h) {
12 if(w<0) { x=x+w; w=-w; }
13 if(h<0) { y=y+h; h=-h; }
14 tb_printf(x+w,y+h,TB_DEFAULT,TB_DEFAULT,"╯");
15 tb_printf(x+w,y,TB_DEFAULT,TB_DEFAULT,"╮");
16 tb_printf(x,y+h,TB_DEFAULT,TB_DEFAULT,"╰");
17 tb_printf(x,y,TB_DEFAULT,TB_DEFAULT,"╭");
18 for (int i=1;i<w;i++) {
19 tb_printf(x+i,y,TB_DEFAULT,TB_DEFAULT, "─");
20 tb_printf(x+i,y+h,TB_DEFAULT,TB_DEFAULT, "─");
21 }
22 for (int i=1;i<h;i++) {
23 tb_printf(x,y+i,TB_DEFAULT,TB_DEFAULT, "│");
24 tb_printf(x+w,y+i,TB_DEFAULT,TB_DEFAULT, "│");
25 }
26 tb_printf(0,0,TB_DEFAULT,TB_DEFAULT,"x: %d, y: %d\nw: %d, h: %d",x,y,w,h);
27 }
28
29 void drawbox(struct box b) { drawboxcoord(b.x,b.y,b.w,b.h); }
30
31 void drawarrowcoord(int startx, int starty, int endx, int endy) {
32 int i=0; int j=0; signed int nx; signed int ny;
33 if(endx<startx) nx=-1; else nx=1;
34 if(endy<starty) ny=-1; else ny=1;
35 for(i=0;i<abs(startx-endx);i++) {
36 tb_printf(startx+nx*i,starty+ny*j,0,0,"─");
37 }
38 if(ny==1 && nx==1) tb_printf(startx+nx*i,starty,0,0,"╮");
39 else if(ny==1 && nx==-1) tb_printf(startx+nx*i,starty,0,0,"╭");
40 else if(ny==-1 && nx==1) tb_printf(startx+nx*i,starty,0,0,"╯");
41 else tb_printf(startx+nx*i,starty,0,0,"╰");
42 for(int j=1;j<abs(starty-endy);j++) {
43 tb_printf(startx+nx*i,starty+ny*j,0,0,"│");
44 }
45 tb_printf(endx,endy,0,0,"→");
46 tb_printf(0,0,TB_DEFAULT,TB_DEFAULT,"start: x%d,y%d, end: x%d,y%d",startx,starty,endx,endy);
47 }
48
49 void drawarrow(struct arrow a) { drawarrowcoord(a.startx,a.starty,a.endx,a.endy); }
50
51 struct arrow createarrow(int startx, int starty, int endx, int endy) {
52 struct arrow a;
53 a.startx=startx; a.starty=starty; a.endx=endx; a.endy=endy; return a;
54 }
55
56 void addarrow(struct arrowpile *arrows, struct arrow a) {
57 arrows->list[arrows->count]=a;
58 arrows->count++;
59 }
60
61 void deletearrow(struct arrowpile *arrows, int index) {
62 for (int i=index;i<arrows->count-1;i++) arrows->list[i]=arrows->list[i+1];
63 if(arrows->count>0) arrows->count--;
64 }
65
66 struct box createbox(int x, int y, int w, int h) {
67 struct box b; b.x=x; b.y=y; b.w=w; b.h=h; return b;
68 }
69
70 void addbox(struct boxpile *boxes, struct box b) {
71 boxes->list[boxes->count]=b;
72 boxes->count++;
73 }
74
75 void deletebox(struct boxpile *boxes, int index) {
76 for (int i=index;i<boxes->count-1;i++) boxes->list[i]=boxes->list[i+1];
77 if(boxes->count>0) boxes->count--;
78 }
79
80 int main(int argc, char **argv) {
81
82 int toparsecount=0;
83 char line[1000];
84 char **toparse;
85
86 struct boxpile boxes; boxes.list=malloc(MAX_BOX_NB*sizeof(struct box)); boxes.count=0;
87 struct arrowpile arrows; arrows.list=malloc(MAX_BOX_NB*sizeof(struct arrow)); arrows.count=0;
88
89 if(!isatty(fileno(stdin))) {
90 while (fgets(line, sizeof(line), stdin)) {
91 if(strlen(line)==1) continue;
92 toparse=realloc(toparse,(toparsecount+1)*sizeof(void*));
93 toparse[toparsecount] = malloc(1000);
94 strcpy(toparse[toparsecount], line);
95 toparsecount++;
96 }
97
98 char *delimiter=" ";
99 char* token;
100 for (int i=0;i<toparsecount;i++) {
101 token = strtok(toparse[i], delimiter);
102 char *type=token;
103 int args[4]; int j=0;
104 while (token) {
105 token = strtok(NULL, delimiter);
106 if(token!=NULL) args[j++]=(int)strtol(token, NULL, 10);
107 }
108 if(strcmp(type,"arrow")==0) addarrow(&arrows,createarrow(args[0],args[1],args[2],args[3]));
109 else if (strcmp(type,"box")==0) addbox(&boxes,createbox(args[0],args[1],args[2],args[3]));
110 }
111 }
112
113
114 tb_init();
115 tb_hide_cursor();
116 tb_set_input_mode(TB_INPUT_ESC | TB_INPUT_MOUSE);
117 int mode=0;
118 struct tb_event ev;
119 int curx; int cury;
120
121
122 while(1) {
123 tb_clear();
124 for (int i=0;i<boxes.count;i++) drawbox(boxes.list[i]);
125 for (int i=0;i<arrows.count;i++) drawarrow(arrows.list[i]);
126 tb_printf(0,tb_height()-1,TB_DEFAULT,TB_DEFAULT,"count: %d, mode: %d",boxes.count,mode);
127 tb_present();
128 tb_poll_event(&ev);
129 switch(ev.ch) {
130 case 97: /*a*/
131 mode=1;
132 break;
133 case 98: /*b*/
134 mode=0;
135 break;
136 }
137 switch(ev.key) {
138 case 13: /*Enter*/
139 tb_shutdown();
140 for (int i=0;i<arrows.count;i++)
141 printf("arrow %d %d %d %d\n",arrows.list[i].startx,arrows.list[i].starty,arrows.list[i].endx,arrows.list[i].endy);
142 for (int i=0;i<boxes.count;i++)
143 printf("box %d %d %d %d\n",boxes.list[i].x,boxes.list[i].y,boxes.list[i].w,boxes.list[i].h);
144 free(boxes.list);
145 return 0;
146 case 65512: /*MouseLeft*/
147 switch(mode) {
148 case 0:
149 if(boxes.count==MAX_BOX_NB) break;
150 curx=ev.x; cury=ev.y;
151 while(ev.key!=65509) { /*MouseRelease*/
152 tb_clear();
153 for (int i=0;i<boxes.count;i++) drawbox(boxes.list[i]);
154 for (int i=0;i<arrows.count;i++) drawarrow(arrows.list[i]);
155 drawboxcoord(curx,cury,ev.x-curx,ev.y-cury);
156 tb_present();
157 tb_poll_event(&ev);
158 }
159 addbox(&boxes,createbox(curx,cury,ev.x-curx,ev.y-cury));
160 break;
161 case 1:
162 if(arrows.count==MAX_BOX_NB) break;
163 curx=ev.x; cury=ev.y;
164 while(ev.key!=65509) { /*MouseRelease*/
165 tb_clear();
166 for (int i=0;i<boxes.count;i++) drawbox(boxes.list[i]);
167 for (int i=0;i<arrows.count;i++) drawarrow(arrows.list[i]);
168 drawarrowcoord(curx,cury,ev.x,ev.y);
169 tb_present();
170 tb_poll_event(&ev);
171 }
172 addarrow(&arrows,createarrow(curx,cury,ev.x,ev.y));
173 break;
174 }
175 break;
176 case 26: /*ctrl+z*/
177 switch(mode) {
178 case 0:
179 deletebox(&boxes,boxes.count-1);
180 break;
181 case 1:
182 deletearrow(&arrows,arrows.count-1);
183 break;
184 }
185 break;
186 case 65511: /*MouseRight*/
187 for(int i=0;i<boxes.count;i++)
188 if(ev.x==boxes.list[i].x && ev.y==boxes.list[i].y) {
189 deletebox(&boxes,i);
190 break;
191 }
192 break;
193 }
194 }
195 return 0;
196 }