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Win32: Fix maximization showing a hidden window

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The normal way of maximizing a window also makes it visible.  This
implements window maximization manually for when the window passed to
glfwMaximizeWindow is hidden.

This will very likely not be forward-compatible and should be replaced.
This commit is contained in:
Camilla Löwy
2022-03-08 23:00:47 +01:00
committed by Camilla Löwy
parent 1eef3a363e
commit 723f3eb40d
4 changed files with 63 additions and 1 deletions
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src/win32_window.c
+57 -1
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@@ -484,6 +484,59 @@ static void releaseMonitor(_GLFWwindow* window)
_glfwRestoreVideoModeWin32(window->monitor);
}
// Manually maximize the window, for when SW_MAXIMIZE cannot be used
//
static void maximizeWindowManually(_GLFWwindow* window)
{
RECT rect;
DWORD style;
MONITORINFO mi = { sizeof(mi) };
GetMonitorInfo(MonitorFromWindow(window->win32.handle,
MONITOR_DEFAULTTONEAREST), &mi);
rect = mi.rcWork;
if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE)
{
if (rect.right - rect.left > window->maxwidth)
rect.right = rect.left + window->maxwidth;
if (rect.bottom - rect.top > window->maxheight)
rect.bottom = rect.top + window->maxheight;
}
style = GetWindowLongW(window->win32.handle, GWL_STYLE);
style |= WS_MAXIMIZE;
SetWindowLongW(window->win32.handle, GWL_STYLE, style);
if (window->decorated)
{
const DWORD exStyle = GetWindowLongW(window->win32.handle, GWL_EXSTYLE);
if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
{
const UINT dpi = GetDpiForWindow(window->win32.handle);
AdjustWindowRectExForDpi(&rect, style, FALSE, exStyle, dpi);
OffsetRect(&rect, 0, GetSystemMetricsForDpi(SM_CYCAPTION, dpi));
}
else
{
AdjustWindowRectEx(&rect, style, FALSE, exStyle);
OffsetRect(&rect, 0, GetSystemMetrics(SM_CYCAPTION));
}
if (rect.bottom > mi.rcWork.bottom)
rect.bottom = mi.rcWork.bottom;
}
SetWindowPos(window->win32.handle, HWND_TOP,
rect.left,
rect.top,
rect.right - rect.left,
rect.bottom - rect.top,
SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED);
}
// Window callback function (handles window messages)
//
static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
@@ -1688,7 +1741,10 @@ void _glfwRestoreWindowWin32(_GLFWwindow* window)
void _glfwMaximizeWindowWin32(_GLFWwindow* window)
{
ShowWindow(window->win32.handle, SW_MAXIMIZE);
if (IsWindowVisible(window->win32.handle))
ShowWindow(window->win32.handle, SW_MAXIMIZE);
else
maximizeWindowManually(window);
}
void _glfwShowWindowWin32(_GLFWwindow* window)