[w3m-dev 03408] fix Bug#87472: MOUSE_SCROLL_LINE should be a run-time option

* fm.h (relative_wheel_scroll): added
	(fixed_wheel_scroll_count): added
	(relative_wheel_scroll_ratio): added
* main.c (mouse_scroll_line): added
	(process_mouse): s/MOUSE_SCROLL_LINE/mouse_scroll_line()/
* menu.c (MOUSE_SCROLL_LINE): deleted
* terms.h (MOUSE_SCROLL_LINE): deleted
* rc.c (CMT_RELATIVE_WHEEL_SCROLL): added
	(CMT_RELATIVE_WHEEL_SCROLL_RATIO): added
	(CMT_FIXED_WHEEL_SCROLL_COUNT): added
	(wheelmode): added
	(params3): add relative_wheel_scroll,
			relative_wheel_scroll_ratio,
			fixed_wheel_scroll_count
From: AIDA Shinra <aida-s@jcom.home.ne.jp>

1 files changed, 14 insertions, 5 deletions

diff --git a/main.c b/main.c
index 1bff1a8..e63ccba 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.126 2002/11/11 15:16:38 ukai Exp $ */
+/* $Id: main.c,v 1.127 2002/11/11 15:33:36 ukai Exp $ */
 #define MAINPROGRAM
 #include "fm.h"
 #include <signal.h>
@@ -4656,6 +4656,15 @@ stopI(void)
 
 #ifdef USE_MOUSE
 
+static int
+mouse_scroll_line(void)
+{
+    if (relative_wheel_scroll)
+	return (relative_wheel_scroll_ratio * LASTLINE + 99) / 100;
+    else
+	return fixed_wheel_scroll_count;
+}
+
 static TabBuffer *
 posTab(int x, int y)
 {
@@ -4814,21 +4823,21 @@ process_mouse(int btn, int x, int y)
 #endif				/* USE_MENU */
 	    break;
 	case MOUSE_BTN4_DOWN_RXVT:
-	    for (i = 0; i < MOUSE_SCROLL_LINE; i++)
+	    for (i = 0; i < mouse_scroll_line(); i++)
 		ldown1();
 	    break;
 	case MOUSE_BTN5_DOWN_RXVT:
-	    for (i = 0; i < MOUSE_SCROLL_LINE; i++)
+	    for (i = 0; i < mouse_scroll_line(); i++)
 		lup1();
 	    break;
 	}
     }
     else if (btn == MOUSE_BTN4_DOWN_XTERM) {
-	for (i = 0; i < MOUSE_SCROLL_LINE; i++)
+	for (i = 0; i < mouse_scroll_line(); i++)
 	    ldown1();
     }
     else if (btn == MOUSE_BTN5_DOWN_XTERM) {
-	for (i = 0; i < MOUSE_SCROLL_LINE; i++)
+	for (i = 0; i < mouse_scroll_line(); i++)
 	    lup1();
     }