boxes

git clone git://bebou.netlib.re/boxes

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commit f704741141285a966aeb1c089c55c2a1f0415c3d
parent 7dfd13c5626304365b119ee8c9c9a35380bcdd16
Auteurice: Arthur Pons <arthur.pons@unistra.fr>
Date:   Fri, 13 Jun 2025 21:19:26 +0200

On peut supprimer des boites

Implémentation naïve d'un ctrl+z avec, ça supprime toujours la dernière
boites faite

Diffstat:
M
boxes.c
 | 
21
+++++++++++++--------

1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/boxes.c b/boxes.c
@@ -1,9 +1,7 @@
 #define TB_IMPL
 #include "termbox2.h"
 
-/* Le chiffre c'est des octets. Les caractères sont encodés sur un octet chacun ?
- * Donc si on met 5 la taille max serait 4 caractères ? */
-#define ELEM_SIZE 1000
+#define MAX_BOX_NB 100
 
 int max(int a, int b) { return a > b ? a : b; }
 int min(int a, int b) { return a < b ? a : b; }
@@ -34,12 +32,18 @@ struct box createbox(int x, int y, int w, int h) {
 	struct box b; b.x=x; b.y=y; b.w=w; b.h=h; return b;
 }
 
+void deletebox(struct box* boxes, int index, int boxescount) {
+	for (int i=index;i<boxescount-1;i++) {
+		boxes[i]=boxes[i+1];
+	}
+}
+
 int main(int argc, char **argv) {
 	tb_init();
 	tb_hide_cursor();
 	tb_set_input_mode(TB_INPUT_ESC | TB_INPUT_MOUSE);
 	struct tb_event ev;
-	struct box boxes[10]; int boxescount=0;
+	struct box boxes[MAX_BOX_NB]; int boxescount=0;
 	int curx; int cury;
 	while(1) {
 		tb_clear();
@@ -51,6 +55,7 @@ int main(int argc, char **argv) {
 				tb_shutdown();
 				return 0;
 			case 65512: /*MouseLeft*/
+				if(boxescount==MAX_BOX_NB) break;
 				curx=ev.x; cury=ev.y;
 				while(ev.key!=65509) { /*MouseRelease*/
 					tb_clear();
@@ -62,11 +67,11 @@ int main(int argc, char **argv) {
 				struct box b=createbox(curx,cury,ev.x-curx,ev.y-cury);
 				boxes[boxescount]=b; boxescount++;
 				break;
-			case 65511: /*MouseRight*/
-				break;
-			case 65508: /*MouseWheelUp*/
+			case 26: /*ctrl+z*/
+				deletebox(boxes,boxescount-1,boxescount);
+				boxescount--;
 				break;
-			case 65507: /*MouseWheelDown*/
+			case 65511: /*MouseRight*/
 				break;
 		}
 	}