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restrict size via WM_SIZING

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FunkyFr3sh 2018-10-28 12:38:57 +01:00
parent 30618755a1
commit 0bca0877fb
1 changed files with 40 additions and 2 deletions
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42
src/main.c
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@ -777,10 +777,48 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
break; break;
} }
} }
return TRUE;
} }
if (CopyRect(&clientrc, windowrc) &&
UnadjustWindowRectEx(&clientrc, GetWindowLong(hWnd, GWL_STYLE), FALSE, GetWindowLong(hWnd, GWL_EXSTYLE)) &&
SetRect(&clientrc, 0, 0, clientrc.right - clientrc.left, clientrc.bottom - clientrc.top))
{
if (clientrc.right < ddraw->width)
{
switch (wParam)
{
case WMSZ_TOPRIGHT:
case WMSZ_BOTTOMRIGHT:
case WMSZ_RIGHT:
windowrc->right += ddraw->width - clientrc.right; break;
case WMSZ_TOPLEFT:
case WMSZ_BOTTOMLEFT:
case WMSZ_LEFT:
windowrc->left -= ddraw->width - clientrc.right; break;
}
}
if (clientrc.bottom < ddraw->height)
{
switch (wParam)
{
case WMSZ_BOTTOMLEFT:
case WMSZ_BOTTOMRIGHT:
case WMSZ_BOTTOM:
{
windowrc->bottom += ddraw->height - clientrc.bottom; break;
}
case WMSZ_TOPLEFT:
case WMSZ_TOPRIGHT:
case WMSZ_TOP:
{
windowrc->top -= ddraw->height - clientrc.bottom; break;
}
}
}
}
return TRUE;
} }
} }
break; break;