comctl32/button: Implement BCM_SETDROPDOWNSTATE.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

comctl32/button: Implement BCM_SETDROPDOWNSTATE.
202a1c1e · Gabriel Ivăncescu · Alexandre Julliard · 725d3ff9 · 202a1c1e
Commit 202a1c1e authored Apr 01, 2019 by Gabriel Ivăncescu Committed by Alexandre Julliard Apr 03, 2019
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button.c dlls/comctl32/button.c +11 -0

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--- a/dlls/comctl32/button.c
+++ b/dlls/comctl32/button.c
@@ -875,6 +875,17 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
        }
        break;

+    case BCM_SETDROPDOWNSTATE:
+        new_state = wParam ? BST_DROPDOWNPUSHED : 0;
+
+        if ((infoPtr->state ^ new_state) & BST_DROPDOWNPUSHED)
+        {
+            infoPtr->state &= ~BST_DROPDOWNPUSHED;
+            infoPtr->state |= new_state;
+            InvalidateRect(hWnd, NULL, FALSE);
+        }
+        break;
+
    case BCM_SETTEXTMARGIN:
    {
        RECT *text_margin = (RECT *)lParam;