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explorer: Use layered windows for the docked systray icons.

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Rémi Bernon 2023-11-29 10:27:18 +01:00 • committed by Alexandre Julliard
parent 62c6646d8f
commit 229b4561d9
1 changed files with 97 additions and 5 deletions
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102
programs/explorer/systray.c
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@ -69,6 +69,7 @@ struct icon
HICON image; /* the image to render */
HWND owner; /* the HWND passed in to the Shell_NotifyIcon call */
HWND window; /* the adaptor window */
BOOL layered; /* whether we are using a layered window */
HWND tooltip; /* Icon tooltip */
UINT state; /* state flags */
UINT id; /* the unique id given by the app */
@ -363,6 +364,80 @@ static void update_tooltip_position( struct icon *icon )
if (balloon_icon == icon) set_balloon_position( icon );
}
static void paint_layered_icon( struct icon *icon )
{
BLENDFUNCTION blend = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA};
int width = GetSystemMetrics( SM_CXSMICON );
int height = GetSystemMetrics( SM_CYSMICON );
BITMAPINFO *info;
HBITMAP dib, mask;
HDC hdc;
RECT rc;
SIZE size;
POINT pos;
int i, x, y;
void *color_bits, *mask_bits;
DWORD *ptr;
BOOL has_alpha = FALSE;
GetWindowRect( icon->window, &rc );
size.cx = rc.right - rc.left;
size.cy = rc.bottom - rc.top;
pos.x = (size.cx - width) / 2;
pos.y = (size.cy - height) / 2;
if (!(info = calloc( 1, FIELD_OFFSET( BITMAPINFO, bmiColors[2] ) ))) return;
info->bmiHeader.biSize = sizeof(info->bmiHeader);
info->bmiHeader.biWidth = size.cx;
info->bmiHeader.biHeight = size.cy;
info->bmiHeader.biBitCount = 32;
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biCompression = BI_RGB;
hdc = CreateCompatibleDC( 0 );
if (!(dib = CreateDIBSection( 0, info, DIB_RGB_COLORS, &color_bits, NULL, 0 ))) goto done;
SelectObject( hdc, dib );
DrawIconEx( hdc, pos.x, pos.y, icon->image, width, height, 0, 0, DI_DEFAULTSIZE | DI_NORMAL );
/* check if the icon was drawn with an alpha channel */
for (i = 0, ptr = color_bits; i < size.cx * size.cy; i++)
if ((has_alpha = (ptr[i] & 0xff000000) != 0)) break;
if (!has_alpha)
{
unsigned int width_bytes = (size.cx + 31) / 32 * 4;
info->bmiHeader.biBitCount = 1;
info->bmiColors[0].rgbRed = 0;
info->bmiColors[0].rgbGreen = 0;
info->bmiColors[0].rgbBlue = 0;
info->bmiColors[0].rgbReserved = 0;
info->bmiColors[1].rgbRed = 0xff;
info->bmiColors[1].rgbGreen = 0xff;
info->bmiColors[1].rgbBlue = 0xff;
info->bmiColors[1].rgbReserved = 0;
if (!(mask = CreateDIBSection( 0, info, DIB_RGB_COLORS, &mask_bits, NULL, 0 ))) goto done;
memset( mask_bits, 0xff, width_bytes * size.cy );
SelectObject( hdc, mask );
DrawIconEx( hdc, pos.x, pos.y, icon->image, width, height, 0, 0, DI_DEFAULTSIZE | DI_MASK );
for (y = 0, ptr = color_bits; y < size.cy; y++)
for (x = 0; x < size.cx; x++, ptr++)
if (!((((BYTE *)mask_bits)[y * width_bytes + x / 8] << (x % 8)) & 0x80))
*ptr |= 0xff000000;
SelectObject( hdc, dib );
DeleteObject( mask );
}
UpdateLayeredWindow( icon->window, 0, NULL, NULL, hdc, NULL, 0, &blend, ULW_ALPHA );
done:
free( info );
if (hdc) DeleteDC( hdc );
if (dib) DeleteObject( dib );
}
static BOOL notify_owner( struct icon *icon, UINT msg, LPARAM lparam )
{
WPARAM wp = icon->id;
@ -410,14 +485,22 @@ static LRESULT WINAPI tray_icon_wndproc( HWND hwnd, UINT msg, WPARAM wparam, LPA
create_tooltip( icon );
break;
case WM_SIZE:
case WM_MOVE:
if (icon->layered) paint_layered_icon( icon );
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
RECT rc;
HDC hdc;
int cx = GetSystemMetrics( SM_CXSMICON );
int cy = GetSystemMetrics( SM_CYSMICON );
int cx, cy;
if (icon->layered) break;
cx = GetSystemMetrics( SM_CXSMICON );
cy = GetSystemMetrics( SM_CYSMICON );
hdc = BeginPaint( hwnd, &ps );
GetClientRect( hwnd, &rc );
TRACE( "painting rect %s\n", wine_dbgstr_rect( &rc ) );
@ -516,9 +599,13 @@ static BOOL show_icon(struct icon *icon)
if (icon->display != ICON_DISPLAY_HIDDEN) return TRUE; /* already displayed */
if (!enable_taskbar && NtUserMessageCall( icon->window, WINE_SYSTRAY_DOCK_INSERT, icon_cx,
icon_cy, icon, NtUserSystemTrayCall, FALSE ))
if (!enable_taskbar && NtUserMessageCall( icon->window, WINE_SYSTRAY_DOCK_INSERT, icon_cx, icon_cy,
icon, NtUserSystemTrayCall, FALSE ))
{
icon->display = ICON_DISPLAY_DOCKED;
icon->layered = TRUE;
SendMessageW( icon->window, WM_SIZE, SIZE_RESTORED, MAKELONG( icon_cx, icon_cy ) );
}
systray_add_icon( icon );
update_tooltip_position( icon );
@ -535,7 +622,10 @@ static BOOL hide_icon(struct icon *icon)
if (!enable_taskbar && NtUserMessageCall( icon->window, WINE_SYSTRAY_DOCK_REMOVE, 0, 0,
NULL, NtUserSystemTrayCall, FALSE ))
{
icon->display = ICON_DISPLAY_HIDDEN;
icon->layered = FALSE;
}
ShowWindow( icon->window, SW_HIDE );
systray_remove_icon( icon );
@ -568,6 +658,8 @@ static BOOL modify_icon( struct icon *icon, NOTIFYICONDATAW *nid )
if (icon->display >= 0)
InvalidateRect( icon->window, NULL, TRUE );
else if (icon->layered)
paint_layered_icon( icon );
else if (!enable_taskbar)
NtUserMessageCall( icon->window, WINE_SYSTRAY_DOCK_CLEAR, 0, 0,
NULL, NtUserSystemTrayCall, FALSE );
@ -620,7 +712,7 @@ static BOOL add_icon(NOTIFYICONDATAW *nid)
icon->owner = nid->hWnd;
icon->display = ICON_DISPLAY_HIDDEN;
CreateWindowExW( 0, tray_icon_class.lpszClassName, NULL, WS_CLIPSIBLINGS | WS_POPUP,
CreateWindowExW( WS_EX_LAYERED, tray_icon_class.lpszClassName, NULL, WS_CLIPSIBLINGS | WS_POPUP,
0, 0, icon_cx, icon_cy, 0, NULL, NULL, icon );
if (!icon->window) ERR( "Failed to create systray icon window\n" );