From 3083ef4031aaf48926497397295b0db639a6a9c1 Mon Sep 17 00:00:00 2001
From: Troels Henriksen <athas@sigkill.dk>
Date: Thu, 31 May 2012 11:46:24 +0200
Subject: [PATCH] Keybindings for scrolling left and right; code by stanio.

---
 config.def.h | 10 ++++++++--
 surf.c       | 38 ++++++++++++++++++++++++++++----------
 2 files changed, 36 insertions(+), 12 deletions(-)

diff --git a/config.def.h b/config.def.h
index 9917b76..e03b13d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -34,8 +34,14 @@ static Key keys[] = {
     { MODKEY|GDK_SHIFT_MASK,GDK_i,      zoom,       { .i = 0  } },
     { MODKEY,               GDK_l,      navigate,   { .i = +1 } },
     { MODKEY,               GDK_h,      navigate,   { .i = -1 } },
-    { MODKEY,               GDK_j,      scroll,     { .i = +1 } },
-    { MODKEY,               GDK_k,      scroll,     { .i = -1 } },
+    { MODKEY,               GDK_j,           scroll_v,   { .i = +1 } },
+    { MODKEY,               GDK_k,           scroll_v,   { .i = -1 } },
+    { MODKEY,               GDK_g,           scroll_v,   { .i = -20000 } },
+    { MODKEY|GDK_SHIFT_MASK,GDK_g,           scroll_v,   { .i = +20000 } },
+    { MODKEY,               GDK_b,           scroll_v,   { .i = -10000 } },
+    { MODKEY,               GDK_space,       scroll_v,   { .i = +10000 } },
+    { MODKEY,               GDK_l,           scroll_h,   { .i = +1 } },
+    { MODKEY,               GDK_h,           scroll_h,   { .i = -1 } },
     { 0,                    GDK_Escape, stop,       { 0 } },
     { MODKEY,               GDK_o,      source,     { 0 } },
     { MODKEY,               GDK_g,      spawn,      SETPROP("_SURF_URI", "_SURF_GO") },
diff --git a/surf.c b/surf.c
index 27cc4e9..9a621e6 100644
--- a/surf.c
+++ b/surf.c
@@ -96,7 +96,9 @@ static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 static void reload(Client *c, const Arg *arg);
 static void resize(GtkWidget *w, GtkAllocation *a, Client *c);
-static void scroll(Client *c, const Arg *arg);
+static void scroll_h(Client *c, const Arg *arg);
+static void scroll_v(Client *c, const Arg *arg);
+static void scroll(GtkAdjustment *a, const Arg *arg);
 static void setatom(Client *c, int a, const char *v);
 static void setcookie(SoupCookie *c);
 static void setup(void);
@@ -662,16 +664,32 @@ resize(GtkWidget *w, GtkAllocation *a, Client *c) {
 }
 
 void
-scroll(Client *c, const Arg *arg) {
-	gdouble v;
-	GtkAdjustment *a;
+scroll_h(Client *c, const Arg *arg) {
+ scroll(gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(c->scroll)), arg);
+}
+
+void
+scroll_v(Client *c, const Arg *arg) {
+ scroll(gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll)), arg);
+}
+
+void
+scroll(GtkAdjustment *a, const Arg *arg) {
+ gdouble v;
 
-	a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
-	v = gtk_adjustment_get_value(a);
-	v += gtk_adjustment_get_step_increment(a) * arg->i;
-	v = MAX(v, 0.0);
-	v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
-	gtk_adjustment_set_value(a, v);
+ v = gtk_adjustment_get_value(a);
+ switch (arg->i){
+ case +10000:
+ case -10000:
+ v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000); break;
+ case +20000:
+ case -20000:
+ default:
+ v += gtk_adjustment_get_step_increment(a) * arg->i;
+ }
+ v = MAX(v, 0.0);
+ v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
+ gtk_adjustment_set_value(a, v);
 }
 
 void
-- 
2.20.1