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Remove border on Windows GUI About box.

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The About text is in a readonly edit control rather than a static
control, so that it can be copy-pasted. Previously, I haven't managed
to avoid the side effect of the edit control being surrounded by a
border - but now I've finally found out how you can do it: clear all
the border styles and _then_ use SetWindowPos to force a redraw of the
frame.
This commit is contained in:
Simon Tatham 2021-02-28 13:33:06 +00:00
parent c289ad3607
commit cc6ab00b71
1 changed files with 14 additions and 0 deletions
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14
windows/windlg.c
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@ -205,6 +205,19 @@ static INT_PTR CALLBACK LicenceProc(HWND hwnd, UINT msg,
return 0; return 0;
} }
static void MakeDlgItemBorderless(HWND parent, int id)
{
HWND child = GetDlgItem(parent, id);
LONG_PTR style = GetWindowLongPtr(child, GWL_STYLE);
LONG_PTR exstyle = GetWindowLongPtr(child, GWL_EXSTYLE);
style &= ~WS_BORDER;
exstyle &= ~(WS_EX_CLIENTEDGE | WS_EX_STATICEDGE | WS_EX_WINDOWEDGE);
SetWindowLongPtr(child, GWL_STYLE, style);
SetWindowLongPtr(child, GWL_EXSTYLE, exstyle);
SetWindowPos(child, NULL, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
}
static INT_PTR CALLBACK AboutProc(HWND hwnd, UINT msg, static INT_PTR CALLBACK AboutProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) WPARAM wParam, LPARAM lParam)
{ {
@ -222,6 +235,7 @@ static INT_PTR CALLBACK AboutProc(HWND hwnd, UINT msg,
"\251 " SHORT_COPYRIGHT_DETAILS ". All rights reserved."); "\251 " SHORT_COPYRIGHT_DETAILS ". All rights reserved.");
sfree(buildinfo_text); sfree(buildinfo_text);
SetDlgItemText(hwnd, IDA_TEXT, text); SetDlgItemText(hwnd, IDA_TEXT, text);
MakeDlgItemBorderless(hwnd, IDA_TEXT);
sfree(text); sfree(text);
return 1; return 1;
} }