# HG changeset patch
# User Mikael Berthe <mikael@lilotux.net>
# Date 1131803315 -3600
# Node ID 5a2132ba22204b0c1dbf8d3527176e489ef8a871
# Parent  16dd9b91702f34f80a13b06b8822c2aecc1a4e86
Add "/buffer up" and "/buffer down"


diff -r 16dd9b91702f -r 5a2132ba2220 mcabber/src/commands.c
--- a/mcabber/src/commands.c	Sat Nov 12 11:33:14 2005 +0100
+++ b/mcabber/src/commands.c	Sat Nov 12 14:48:35 2005 +0100
@@ -134,9 +134,11 @@
   compl_add_category_word(COMPL_ROSTER, "unread_next");
 
   // Roster category
+  compl_add_category_word(COMPL_BUFFER, "clear");
   compl_add_category_word(COMPL_BUFFER, "bottom");
-  compl_add_category_word(COMPL_BUFFER, "clear");
   compl_add_category_word(COMPL_BUFFER, "top");
+  compl_add_category_word(COMPL_BUFFER, "up");
+  compl_add_category_word(COMPL_BUFFER, "down");
   compl_add_category_word(COMPL_BUFFER, "search_backward");
   compl_add_category_word(COMPL_BUFFER, "search_forward");
   compl_add_category_word(COMPL_BUFFER, "date");
@@ -728,6 +730,26 @@
     scr_BufferTopBottom(1);
   } else if (!strcasecmp(arg, "clear")) {
     scr_BufferClear();
+  } else if (!strncasecmp(arg, "up", 2)) {
+    int nblines;
+    arg += 2;
+    if (*arg && *arg++ != ' ') {
+      scr_LogPrint(LPRINT_NORMAL, "Wrong or missing parameter");
+      return;
+    }
+    nblines = atoi(arg);
+    if (nblines >= 0)
+      scr_BufferScrollUpDown(-1, nblines);
+  } else if (!strncasecmp(arg, "down", 4)) {
+    int nblines;
+    arg += 4;
+    if (*arg && *arg++ != ' ') {
+      scr_LogPrint(LPRINT_NORMAL, "Wrong or missing parameter");
+      return;
+    }
+    nblines = atoi(arg);
+    if (nblines >= 0)
+      scr_BufferScrollUpDown(1, nblines);
   } else if (!strncasecmp(arg, "search_backward", 15)) {
     arg += 15;
     if (*arg++ == ' ')
diff -r 16dd9b91702f -r 5a2132ba2220 mcabber/src/screen.c
--- a/mcabber/src/screen.c	Sat Nov 12 11:33:14 2005 +0100
+++ b/mcabber/src/screen.c	Sat Nov 12 14:48:35 2005 +0100
@@ -985,12 +985,13 @@
 }
 
 //  scr_BufferScrollUpDown()
-// Scroll up/down the current buddy window, half a screen.
-// (up if updown == -1, down if updown == 1)
-void scr_BufferScrollUpDown(int updown)
+// Scroll up/down the current buddy window,
+// - half a screen if nblines is 0,
+// - up if updown == -1, down if updown == 1
+void scr_BufferScrollUpDown(int updown, unsigned int nblines)
 {
   window_entry_t *win_entry;
-  int n, nblines;
+  int n, nbl;
   GList *hbuf_top;
 
   // Get win_entry
@@ -998,23 +999,27 @@
   win_entry  = scr_SearchWindow(CURRENT_JID);
   if (!win_entry) return;
 
-  // Scroll half a screen (or less)
-  nblines = CHAT_WIN_HEIGHT/2-1;
+  if (!nblines) {
+    // Scroll half a screen (or less)
+    nbl = CHAT_WIN_HEIGHT/2-1;
+  } else {
+    nbl = nblines;
+  }
   hbuf_top = win_entry->top;
 
   if (updown == -1) {   // UP
     if (!hbuf_top) {
       hbuf_top = g_list_last(win_entry->hbuf);
-      if (!win_entry->cleared)
-        nblines *= 3;
+      if (!nblines && !win_entry->cleared)
+        nbl *= 3;
       else
         win_entry->cleared = FALSE;
     }
-    for (n=0 ; hbuf_top && n < nblines && g_list_previous(hbuf_top) ; n++)
+    for (n=0 ; hbuf_top && n < nbl && g_list_previous(hbuf_top) ; n++)
       hbuf_top = g_list_previous(hbuf_top);
     win_entry->top = hbuf_top;
   } else {              // DOWN
-    for (n=0 ; hbuf_top && n < nblines ; n++)
+    for (n=0 ; hbuf_top && n < nbl ; n++)
       hbuf_top = g_list_next(hbuf_top);
     win_entry->top = hbuf_top;
     // Check if we are at the bottom
@@ -1668,10 +1673,10 @@
         *ptr_inputline = 0;
         break;
     case 16:    // Ctrl-p
-        scr_BufferScrollUpDown(-1);
+        scr_BufferScrollUpDown(-1, 0);
         break;
     case 14:    // Ctrl-n
-        scr_BufferScrollUpDown(1);
+        scr_BufferScrollUpDown(1, 0);
         break;
     case 17:    // Ctrl-q
         scr_CheckAutoAway(TRUE);
diff -r 16dd9b91702f -r 5a2132ba2220 mcabber/src/screen.h
--- a/mcabber/src/screen.h	Sat Nov 12 11:33:14 2005 +0100
+++ b/mcabber/src/screen.h	Sat Nov 12 14:48:35 2005 +0100
@@ -59,5 +59,6 @@
 void scr_BufferDate(time_t t);
 void scr_RosterUnreadMessage(int);
 void scr_RosterJumpAlternate(void);
+void scr_BufferScrollUpDown(int updown, unsigned int nblines);
 
 #endif