From 550cb4ae6091d85f5d092913d3469766a5e94669 Mon Sep 17 00:00:00 2001
From: Ali Gholami Rudi <ali@rudi.ir>
Date: Mon, 2 Mar 2009 15:49:36 +0330
Subject: [PATCH] txtwin: add % command

---
 txtwin.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/txtwin.c b/txtwin.c
index 25f456a..1e5c90c 100644
--- a/txtwin.c
+++ b/txtwin.c
@@ -26,6 +26,7 @@ enum location {
 	LOC_PAGE,
 	LOC_STEP,
 	LOC_LINE,
+	LOC_PERCENT,
 	LOC_BEG,
 	LOC_END
 };
@@ -48,8 +49,9 @@ static int get_arg(struct txtwin *tw, int def)
 static void scroll(struct txtwin *tw, enum location loc, int n)
 {
 	int val = gtk_adjustment_get_value(tw->adjst);
-	int max = gtk_adjustment_get_upper(tw->adjst) -
-		  gtk_adjustment_get_page_size(tw->adjst);
+	int page = gtk_adjustment_get_page_size(tw->adjst);
+	int end = gtk_adjustment_get_upper(tw->adjst);
+	int max = end - page;
 	n *= get_arg(tw, 1);
 	switch(loc) {
 	case LOC_PAGE:
@@ -61,6 +63,9 @@ static void scroll(struct txtwin *tw, enum location loc, int n)
 	case LOC_LINE:
 		val = get_arg(tw, 0) ? 0 : max;
 		break;
+	case LOC_PERCENT:
+		val = get_arg(tw, 0) * end / 100 - page;
+		break;
 	case LOC_BEG:
 		val = 0;
 		break;
@@ -133,6 +138,9 @@ static gboolean on_key_press(GtkWidget *widget, GdkEventKey *event,
 	case GDK_q:
 		gtk_main_quit();
 		break;
+	case GDK_percent:
+		scroll(tw, LOC_PERCENT, 1);
+		break;
 	case GDK_Escape:
 		tw->arg = 0;
 	default:
-- 
2.11.4.GIT