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Use an extra bit in the button status byte to flag whether the 

DefButtonWndProc should process the WM_LBUTTONUP message.
This commit is contained in:
Rein Klazes 1999-09-27 11:38:47 +00:00 committed by Alexandre Julliard
parent 3d06d20bab
commit 61b15de4ba
2 changed files with 30 additions and 13 deletions
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18
controls/button.c
View File

@ -150,14 +150,18 @@ static inline LRESULT WINAPI ButtonWndProc_locked(WND* wndPtr, UINT uMsg,
SetCapture( hWnd );
SetFocus( hWnd );
SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
infoPtr->state |= BUTTON_BTNPRESSED;
break;
case WM_LBUTTONUP:
/* FIXME: real windows uses extra flags in the status for this */
if (GetCapture() != hWnd) break;
if (!(infoPtr->state & BUTTON_BTNPRESSED)) break;
infoPtr->state &= BUTTON_NSTATES;
if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) {
ReleaseCapture();
if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
break;
}
SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
ReleaseCapture();
GetClientRect( hWnd, &rect );
if (PtInRect( &rect, pt ))
{
@ -181,6 +185,14 @@ static inline LRESULT WINAPI ButtonWndProc_locked(WND* wndPtr, UINT uMsg,
}
break;
case WM_CAPTURECHANGED:
if (infoPtr->state & BUTTON_BTNPRESSED) {
infoPtr->state &= BUTTON_NSTATES;
if (infoPtr->state & BUTTON_HIGHLIGHTED)
SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
}
break;
case WM_MOUSEMOVE:
if (GetCapture() == hWnd)
{

5
include/button.h
View File

@ -26,6 +26,11 @@ typedef struct
#define BUTTON_3STATE 0x02
#define BUTTON_HIGHLIGHTED 0x04
#define BUTTON_HASFOCUS 0x08
#define BUTTON_NSTATES 0x0F
/* undocumented flags */
#define BUTTON_BTNPRESSED 0x40
#define BUTTON_UNKNOWN2 0x20
#define BUTTON_UNKNOWN3 0x10
#define BUTTON_STATE(hwnd) ((WIN_FindWndPtr(hwnd))->wExtra[0])