From f722fb1155cb3d198c450a68d7db82a0bf6318bf Mon Sep 17 00:00:00 2001 From: Jonas Kümmerlin Date: Thu, 11 Jun 2020 14:37:45 +0200 Subject: concerted effort to reduce unneccessary redraws on transparent backgrounds --- alf/alfbutton.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'alf/alfbutton.cpp') diff --git a/alf/alfbutton.cpp b/alf/alfbutton.cpp index 17ff1b0..2bc6bc4 100644 --- a/alf/alfbutton.cpp +++ b/alf/alfbutton.cpp @@ -907,14 +907,14 @@ ALF_NtButton_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) ALFColor newcolor = (ALFColor)lParam; if (priv->bgcolor != newcolor) { priv->bgcolor = newcolor; - // FIXME! optimize classic button which is not transparent - InvalidateRect(hwnd, NULL, TRUE); + if (priv->hTheme) { + InvalidateRect(hwnd, NULL, TRUE); + } } } else if (uMsg == ALF_WM_GETBGCOLOR) { return (LRESULT)priv->bgcolor; } else if (uMsg == ALF_WM_BACKGROUNDCHANGE) { - if (priv->bgcolor == ALF_COLOR_TRANSPARENT) { - // FIXME! optimize classic button which is not transparent + if (priv->bgcolor == ALF_COLOR_TRANSPARENT && priv->hTheme) { InvalidateRect(hwnd, NULL, TRUE); } } else if (uMsg == WM_SIZE) { -- cgit v1.2.3