Tracer des diagrammes dans un terminal - retour accueil
git clone git://bebou.netlib.re/boxes
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boxes.c (4817B)
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 tb_init();
82 tb_hide_cursor();
83 tb_set_input_mode(TB_INPUT_ESC | TB_INPUT_MOUSE);
84 int mode=0;
85 struct tb_event ev;
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 int curx; int cury;
89 while(1) {
90 tb_clear();
91 for (int i=0;i<boxes.count;i++) drawbox(boxes.list[i]);
92 for (int i=0;i<arrows.count;i++) drawarrow(arrows.list[i]);
93 tb_printf(0,tb_height()-1,TB_DEFAULT,TB_DEFAULT,"count: %d, mode: %d",boxes.count,mode);
94 tb_present();
95 tb_poll_event(&ev);
96 switch(ev.ch) {
97 case 97: /*a*/
98 mode=1;
99 break;
100 case 98: /*b*/
101 mode=0;
102 break;
103 }
104 switch(ev.key) {
105 case 13: /*Enter*/
106 tb_shutdown();
107 free(boxes.list);
108 return 0;
109 case 65512: /*MouseLeft*/
110 switch(mode) {
111 case 0:
112 if(boxes.count==MAX_BOX_NB) break;
113 curx=ev.x; cury=ev.y;
114 while(ev.key!=65509) { /*MouseRelease*/
115 tb_clear();
116 for (int i=0;i<boxes.count;i++) drawbox(boxes.list[i]);
117 for (int i=0;i<arrows.count;i++) drawarrow(arrows.list[i]);
118 drawboxcoord(curx,cury,ev.x-curx,ev.y-cury);
119 tb_present();
120 tb_poll_event(&ev);
121 }
122 addbox(&boxes,createbox(curx,cury,ev.x-curx,ev.y-cury));
123 break;
124 case 1:
125 if(arrows.count==MAX_BOX_NB) break;
126 curx=ev.x; cury=ev.y;
127 while(ev.key!=65509) { /*MouseRelease*/
128 tb_clear();
129 for (int i=0;i<boxes.count;i++) drawbox(boxes.list[i]);
130 for (int i=0;i<arrows.count;i++) drawarrow(arrows.list[i]);
131 drawarrowcoord(curx,cury,ev.x,ev.y);
132 tb_present();
133 tb_poll_event(&ev);
134 }
135 addarrow(&arrows,createarrow(curx,cury,ev.x,ev.y));
136 break;
137 }
138 break;
139 case 26: /*ctrl+z*/
140 switch(mode) {
141 case 0:
142 deletebox(&boxes,boxes.count-1);
143 break;
144 case 1:
145 deletearrow(&arrows,arrows.count-1);
146 break;
147 }
148 break;
149 case 65511: /*MouseRight*/
150 for(int i=0;i<boxes.count;i++)
151 if(ev.x==boxes.list[i].x && ev.y==boxes.list[i].y) {
152 deletebox(&boxes,i);
153 break;
154 }
155 break;
156 }
157 }
158 return 0;
159 }