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borderless windows will have WM_NCCALCSIZE return 0 for the non-client area. When this happens, it looks like windows will send a resize message expanding the window client area to the previous window + chrome size, so shouldn't need to adjust the window size for the set styles.

This commit is contained in:
Sam Lantinga 2017-09-22 07:15:41 -07:00
parent 3176a7f5e9
commit 499f928c33
1 changed files with 5 additions and 1 deletions
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6
src/video/windows/SDL_windowswindow.c
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@ -94,7 +94,11 @@ WIN_AdjustWindowRectWithStyle(SDL_Window *window, DWORD style, BOOL menu, int *x
rect.top = 0;
rect.right = (use_current ? window->w : window->windowed.w);
rect.bottom = (use_current ? window->h : window->windowed.h);
AdjustWindowRectEx(&rect, style, menu, 0);
// borderless windows will have WM_NCCALCSIZE return 0 for the non-client area. When this happens, it looks like windows will send a resize message
// expanding the window client area to the previous window + chrome size, so shouldn't need to adjust the window size for the set styles.
if ( !(window->flags & SDL_WINDOW_BORDERLESS) )
AdjustWindowRectEx( &rect, style, menu, 0 );
*x = (use_current ? window->x : window->windowed.x) + rect.left;
*y = (use_current ? window->y : window->windowed.y) + rect.top;