1 files changed, 52 insertions, 0 deletions
diff --git a/wintable/hscroll.h b/wintable/hscroll.h
new file mode 100644
index 0000000..1560490
--- /dev/null
+++ b/wintable/hscroll.h
@@ -0,0 +1,52 @@
+// 9 december 2014
+
+// forward declaration needed here
+static void repositionHeader(struct table *);
+
+static struct scrollParams hscrollParams(struct table *t)
+{
+	struct scrollParams p;
+
+	ZeroMemory(&p, sizeof (struct scrollParams));
+	p.pos = &(t->hscrollpos);
+	p.pagesize = t->hpagesize;
+	p.length = t->width;
+	p.scale = 1;
+	p.post = repositionHeader;
+	p.wheelCarry = &(t->hwheelCarry);
+	return p;
+}
+
+static void hscrollto(struct table *t, intptr_t pos)
+{
+	struct scrollParams p;
+
+	p = hscrollParams(t);
+	scrollto(t, SB_HORZ, &p, pos);
+}
+
+static void hscrollby(struct table *t, intptr_t delta)
+{
+	struct scrollParams p;
+
+	p = hscrollParams(t);
+	scrollby(t, SB_HORZ, &p, delta);
+}
+
+static void hscroll(struct table *t, WPARAM wParam, LPARAM lParam)
+{
+	struct scrollParams p;
+
+	p = hscrollParams(t);
+	scroll(t, SB_HORZ, &p, wParam, lParam);
+}
+
+// TODO find out if we can indicriminately check for WM_WHEELHSCROLL
+HANDLER(hscrollHandler)
+{
+	if (uMsg != WM_HSCROLL)
+		return FALSE;
+	hscroll(t, wParam, lParam);
+	*lResult = 0;
+	return TRUE;
+}