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Commit c7d2bcfb authored by Ken Thomases's avatar Ken Thomases Committed by Alexandre Julliard
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user32: Fix mouseRect computation for starting position when sizing window.

The mouseRect is the limit of the mouse position to keep the window between its minimum and maximum sizes. The computation was correct if the mouse started precisely on the window border. But if the mouse is not exactly at the border, then the mouse limit has to account for that, because the window will be resized based on the distance from the starting point.
parent 26025053
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Showing with 8 additions and 8 deletions
dlls/user32/winpos.c
View file @ c7d2bcfb
......@@ -2677,23 +2677,23 @@ void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
if (ON_LEFT_BORDER(hittest))
{
mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x+capturePoint.x-sizingRect.left );
mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x+capturePoint.x-sizingRect.left );
}
else if (ON_RIGHT_BORDER(hittest))
{
mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x+capturePoint.x-sizingRect.right );
mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x+capturePoint.x-sizingRect.right );
}
if (ON_TOP_BORDER(hittest))
{
mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y+capturePoint.y-sizingRect.top );
mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y+capturePoint.y-sizingRect.top);
}
else if (ON_BOTTOM_BORDER(hittest))
{
mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y+capturePoint.y-sizingRect.bottom );
mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y+capturePoint.y-sizingRect.bottom );
}
/* Retrieve a default cache DC (without using the window style) */
......
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