1 files changed, 2 insertions, 26 deletions

diff --git a/vui.c b/vui.c
index 1384746..caf4654 100644
--- a/vui.c
+++ b/vui.c
@@ -197,6 +197,8 @@ void vui_curs_pos(int x, int y) {
 	win.curs_y = y;
 }
 
+/* TODO: use something better than signal() */
+/* does sigaction allow for a context pointer? */
 static void on_resized(int _) {
 	adjust_win_size();
 	if (win.redraw_fn) {
@@ -495,39 +497,19 @@ chg_colors:;
 	*ptr = to;
 }
 
-unsigned vui_changes = 0;
-unsigned vui_max_change = 0;
-unsigned vui_out_chars = 0;
-int scrolled_x = 0, scrolled_y = 0;
-
 void vui_scroll_buf(VuiBuffer *b, int dx, int dy);
 
 void vui_blit(void) {
 	VuiBuffer *front = win.front;
 	VuiBuffer *back = win.back;
 
-	// vui_outf(CSI "H" CSI "0m");
-	// vui_outs(CSI "2J");
-	// vui_outs(CSI "3J");
 	static VuiAttr attr_last = ATTR_DEFAULT;
 	static unsigned cur_x = 0;
 	static unsigned cur_y = 0;
 
-	/*
-		vui_outs(CSI "H" CSI "0m");
-		attr_last = ATTR_DEFAULT;
-		cur_x = 0;
-		cur_y = 0;
-	*/
-
-	scrolled_x = win.scroll_x;
-	scrolled_y = win.scroll_y;
-
-	//win.redraw_all = 1;
 	if (win.redraw_all) {
 		vui_outs(CSI "H" CSI "2J" CSI "0m");
 		attr_last = ATTR_DEFAULT;
-		vui_changes = COLS * LINES;
 		unsigned max = COLS * LINES;
 		for (unsigned i = 0; i < max; i++) {
 			attr_chg(&attr_last, front->attr[i]);
@@ -542,9 +524,6 @@ void vui_blit(void) {
 		goto end;
 	}
 
-	vui_changes = 0;
-	vui_max_change = 0;
-
 	if (win.scroll_x || win.scroll_y) {
 		if ((unsigned)abs(win.scroll_x) >= COLS || (unsigned)abs(win.scroll_y) > LINES) {
 			vui_outs(CSI "2J");
@@ -598,12 +577,10 @@ scrolled:
 			VuiAttr a = ATTR(x0, y);
 			while (x < COLS && !bchr_equiv(back, front, (y * COLS) + x) && BATTR(front, x, y) == a) x++;
 			if (x0 != x) {
-				vui_changes++;
 				curs_move(&cur_x, &cur_y, x0, y);
 				attr_chg(&attr_last, a);
 				vui_outvcn(&CHR(x0, y), x - x0);
 				cur_x = x;
-				if (x - x0 > vui_max_change) vui_max_change = x - x0;
 			}
 		}
 	}
@@ -613,7 +590,6 @@ end:
 		curs_move(&cur_x, &cur_y, win.curs_x, win.curs_y);
 	}
 
-	vui_out_chars = vui_outn;
 	vui_out_flush();
 	memcpy(back->chr,  front->chr,  sizeof(*back->chr)  * (back->width * back->height));
 	memcpy(back->attr, front->attr, sizeof(*back->attr) * (back->width * back->height));