shithub: microui

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alt: blocking mode, propagate mouse/key events by processing twice

--- a/demo/plan9.c

+++ b/demo/plan9.c

@@ -19,9 +19,9 @@

 		{ nil, &m, CHANRCV },

 		{ nil, nil, CHANRCV },

 		{ nil, &key, CHANRCV },

-		{ nil, nil,  CHANNOBLK},

+		{ nil, nil,  CHANEND},

 	};

-	int oldbuttons, b, nkey;

+	int oldbuttons, b, nkey, gotevent;

 	char text[5], *s;

 	mu_Command *cmd;

 	mu_Context *ctx;

@@ -51,15 +51,14 @@

 	ctx->text_width = r_get_text_width;

 	ctx->text_height = r_get_text_height;

 	ctx->style->font = display->defaultfont;

+	process_frame(ctx);

 	oldbuttons = 0;

 	for (;;) {

-		/* process frame */

 		process_frame(ctx);

-		/* render */

-		r_clear(mu_color(bg[0], bg[1], bg[2], 255));

 		cmd = nil;

+		r_clear(mu_color(bg[0], bg[1], bg[2], 255));

 		while (mu_next_command(ctx, &cmd)) {

 			switch (cmd->type) {

 			case MU_COMMAND_TEXT: r_draw_text(ctx->style->font, cmd->text.str, cmd->text.pos, cmd->text.color); break;

@@ -70,6 +69,7 @@

 		}

 		r_present();

+		gotevent = 1;

 		switch (alt(a)) {

 		case 0: /* mouse */

 			m.xy.x -= screen->r.min.x;

@@ -114,9 +114,15 @@

 				mu_input_keydown(ctx, nkey);

 				mu_input_keyup(ctx, nkey);

 			}

+			break;

+

+		default:

+			gotevent = 0;

+			break;

 		}

-		a[nelem(a)-1].op = a[nelem(a)-1].op == CHANNOBLK ? CHANEND : CHANNOBLK;

+		if (gotevent)

+			process_frame(ctx);

 	}

 end: