shithub: microui

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mu_render: compare strings (not just commands) to decide whether an update is needed

--- a/microui.c

+++ b/microui.c

@@ -1437,7 +1437,8 @@

 	if (memcmp(&mu_ctx.screen, &screen->r, sizeof(mu_ctx.screen)) != 0)

 		mu_ctx.screen = screen->r;

 	else if (mu_ctx.oldcmdsnum == mu_ctx.cmdsnum && memcmp(mu_ctx.oldcmds, mu_ctx.cmds, mu_ctx.cmdsnum*sizeof(mu_Command)) == 0)

-		return 0;

+		if (mu_ctx.oldstrnum == mu_ctx.strnum && memcmp(mu_ctx.oldstr, mu_ctx.str, mu_ctx.strnum) == 0)

+			return 0;

 	if (mu_ctx.oldcmdsmax != mu_ctx.cmdsmax && (mu_ctx.oldcmds = realloc(mu_ctx.oldcmds, mu_ctx.cmdsmax*sizeof(mu_Command))) == nil)

 		sysfatal("couldn't allocate memory for old cmds");

@@ -1444,6 +1445,12 @@

 	mu_ctx.oldcmdsmax = mu_ctx.cmdsmax;

 	mu_ctx.oldcmdsnum = mu_ctx.cmdsnum;

 	memmove(mu_ctx.oldcmds, mu_ctx.cmds, mu_ctx.cmdsnum*sizeof(mu_Command));

+

+	if (mu_ctx.oldstrmax != mu_ctx.strmax && (mu_ctx.oldstr = realloc(mu_ctx.oldstr, mu_ctx.strmax)) == nil)

+		sysfatal("couldn't allocate memory for old strings");

+	mu_ctx.oldstrmax = mu_ctx.strmax;

+	mu_ctx.oldstrnum = mu_ctx.strnum;

+	memmove(mu_ctx.oldstr, mu_ctx.str, mu_ctx.strnum);

 	draw(screen, screen->r, mu_style.colors[MU_COLOR_BG], nil, ZP);

--- a/microui.h

+++ b/microui.h

@@ -207,8 +207,8 @@

 	Rectangle screen;

 	/* buffers */

-	char *str;

-	int strmax, strnum;

+	char *str, *oldstr;

+	int strmax, strnum, oldstrmax, oldstrnum;

 	mu_Container **root;

 	int rootmax, rootnum;