1 files changed, 30 insertions, 15 deletions

diff --git a/alf/alfpanel.cpp b/alf/alfpanel.cpp
index 965264e..2f2ee68 100644
--- a/alf/alfpanel.cpp
+++ b/alf/alfpanel.cpp
@@ -21,21 +21,38 @@ ALF_Panel_ClearPriv(ALFPanelPriv *priv)
 }
 
 static void
+ALF_Panel_InternalDefPaint(ALFPanelPriv *priv, HWND hwnd, HDC dc, RECT *r)
+{
+    if (priv->layout.bgcolor == ALF_COLOR_TRANSPARENT) {
+        ALF_Compat_DrawThemeParentBackground(hwnd, dc, r);
+    } else {
+        ALF_FillRect(dc, r, priv->layout.bgcolor);
+    }
+}
+
+
+void
+ALF_Panel_DefPaint(HWND panel, HDC hDC, RECT *rcPaint)
+{
+    ALFPanelPriv *priv = (ALFPanelPriv*)GetWindowLongPtr(panel, 0);
+    ALF_Panel_InternalDefPaint(priv, panel, hDC, rcPaint);
+}
+
+static void
 ALF_Panel_Paint(ALFPanelPriv *priv, HWND hwnd, HDC dc, RECT *r)
 {
     if (priv->vtbl && priv->vtbl->paint) {
         priv->vtbl->paint(priv->closure, hwnd, dc, r);
-    } else if (priv->layout.bgcolor == ALF_COLOR_TRANSPARENT) {
-        ALF_Compat_DrawThemeParentBackground(hwnd, dc, r);
     } else {
-        ALF_FillRect(dc, r, priv->layout.bgcolor);
+        ALF_Panel_InternalDefPaint(priv, hwnd, dc, r);
     }
 }
 
 void
 ALF_Panel_SetVTable(HWND panel, const ALFPanelVTable *vtbl, void *closure)
 {
-    SendMessage(panel, ALF_WM_PANEL_SETVTABLE, (WPARAM)vtbl, (LPARAM)closure);
+    ALFPanelSetVtblParams p = { vtbl, closure };
+    SendMessage(panel, ALF_WM_PANEL_SETVTABLE, 0, (LPARAM)&p);
 }
 
 LRESULT
@@ -43,11 +60,6 @@ ALF_Panel_DefWindowProc(HWND window, UINT msg, WPARAM wparam, LPARAM lparam)
 {
     ALFPanelPriv *priv = (ALFPanelPriv *)GetWindowLongPtr(window, 0);
 
-    if (msg == WM_CREATE) {
-        if (priv->vtbl && priv->vtbl->create)
-            priv->vtbl->create(priv->closure, window);
-    }
-
     if (msg == WM_DESTROY) {
         if (priv->vtbl && priv->vtbl->destroy)
             priv->vtbl->destroy(priv->closure, window);
@@ -57,10 +69,6 @@ ALF_Panel_DefWindowProc(HWND window, UINT msg, WPARAM wparam, LPARAM lparam)
         return TRUE;
     }
 
-    if (msg == WM_SETTEXT) {
-        InvalidateRect(window, NULL, TRUE);
-    }
-
     if (msg == WM_PRINTCLIENT) {
         RECT r = { 0, 0, 0, 0 };
         GetClientRect(window, &r);
@@ -82,8 +90,15 @@ ALF_Panel_DefWindowProc(HWND window, UINT msg, WPARAM wparam, LPARAM lparam)
     }
 
     if (msg == ALF_WM_PANEL_SETVTABLE) {
-        priv->vtbl = (const ALFPanelVTable *)wparam;
-        priv->closure = (void *)lparam;
+        const ALFPanelSetVtblParams *params = (const ALFPanelSetVtblParams *)lparam;
+        if (!params)
+            return FALSE;
+
+        priv->vtbl = params->vtbl;
+        priv->closure = params->closure;
+        if (priv->vtbl->attachvtbl) {
+            priv->vtbl->attachvtbl(priv->closure, window);
+        }
         return TRUE;
     }