Added vertical scroll. The drawing code will now need updating...

wintable/new/main.c

@@ -68,6 +68,7 @@ struct table {
 #include "events.h"
 #include "scroll.h"
 #include "hscroll.h"
+#include "vscroll.h"
 #include "header.h"
 #include "children.h"
 #include "resize.h"
@@ -81,6 +82,7 @@ static const handlerfunc handlers[] = {
 	drawHandlers,
 	apiHandlers,
 	hscrollHandler,
+	vscrollHandler,
 	NULL,
 };
 

wintable/new/resize.h

@@ -7,15 +7,33 @@
 HANDLER(resizeHandler)
 {
 	WINDOWPOS *wp;
+	RECT client;
+	intptr_t height;
 
 	if (uMsg != WM_WINDOWPOSCHANGED)
 		return FALSE;
 	wp = (WINDOWPOS *) lParam;
 	if ((wp->flags & SWP_NOSIZE) != 0)
 		return FALSE;
+
+	// TODO does wp store the window rect or the client rect?
+	if (GetClientRect(t->hwnd, &client) == 0)
+		panic("error getting Table client rect in resizeHandler()");
+	// TODO do this before calling updateTableWidth() (which calls repositionHeader()?)?
+	client.top -= t->headerHeight;
+
+	// update the width...
 	// this will call repositionHeader(); there's a good reason... (see comments)
 	// TODO when I clean that mess up, remove this comment
 	updateTableWidth(t);
+
+	// ...and the height
+	// TODO find out if order matters
+	height = client.bottom - client.top;
+	t->vpagesize = height / rowht(t);
+	// do a dummy scroll to reflect those changes
+	vscrollby(t, 0);
+
 	*lResult = 0;
 	return TRUE;
 }

wintable/new/vscroll.h

@@ -0,0 +1,51 @@
+// 9 december 2014
+
+// forward declaration needed here
+static void repositionHeader(struct table *);
+
+static struct scrollParams vscrollParams(struct table *t)
+{
+	struct scrollParams p;
+
+	ZeroMemory(&p, sizeof (struct scrollParams));
+	p.pos = &(t->vscrollpos);
+	p.pagesize = t->vpagesize;
+	p.length = t->count;
+	p.scale = rowht(t);
+	p.post = NULL;
+	return p;
+}
+
+static void vscrollto(struct table *t, intptr_t pos)
+{
+	struct scrollParams p;
+
+	p = vscrollParams(t);
+	scrollto(t, SB_VERT, &p, pos);
+}
+
+static void vscrollby(struct table *t, intptr_t delta)
+{
+	struct scrollParams p;
+
+	p = vscrollParams(t);
+	scrollby(t, SB_VERT, &p, delta);
+}
+
+static void vscroll(struct table *t, WPARAM wParam, LPARAM lParam)
+{
+	struct scrollParams p;
+
+	p = vscrollParams(t);
+	scroll(t, SB_VERT, &p, wParam, lParam);
+}
+
+// TODO WM_MOUSEWHEEL
+HANDLER(vscrollHandler)
+{
+	if (uMsg != WM_VSCROLL)
+		return FALSE;
+	vscroll(t, wParam, lParam);
+	*lResult = 0;
+	return TRUE;
+}