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Allow "moving" wxX11Display objects

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This is not a real move-ctor but std::auto_ptr<>-like "stealing" ctor. It
still allows to pass Display ownership to another function which is all that
is needed for our purposes.
This commit is contained in:
Vadim Zeitlin
2016-05-22 00:21:22 +02:00
parent 746b91c5d3
commit 4a0938d2b7
1 changed files with 7 additions and 0 deletions
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7
include/wx/unix/utilsx11.h
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@@ -67,6 +67,13 @@ public:
wxX11Display() { m_dpy = XOpenDisplay(NULL); } wxX11Display() { m_dpy = XOpenDisplay(NULL); }
~wxX11Display() { if ( m_dpy ) XCloseDisplay(m_dpy); } ~wxX11Display() { if ( m_dpy ) XCloseDisplay(m_dpy); }
// Pseudo move ctor: steals the open display from the other object.
explicit wxX11Display(wxX11Display& display)
{
m_dpy = display.m_dpy;
display.m_dpy = NULL;
}
operator Display *() const { return m_dpy; } operator Display *() const { return m_dpy; }
// Using DefaultRootWindow() with an object of wxX11Display class doesn't // Using DefaultRootWindow() with an object of wxX11Display class doesn't