Platform/Unix/X11Display: Implement missing interface functions.

* getPosition
* setVisible
* minimize
* maximize
* grabCursor (only stub. to get the code to compile)

source/Platform/Unix/X11Display.cpp

@@ -7,6 +7,11 @@
 #include "GLXContext.h"
 #include "X11Display.h"
 
+// Sometimes not defined in headers.
+#ifndef _NET_WM_STATE_TOGGLE
+#define _NET_WM_STATE_TOGGLE 2
+#endif
+
 namespace sp {
 
 X11Display::
@@ -61,7 +66,7 @@ bool X11Display::create(DisplayDescription description)
 	protocols = getAtom("WM_DELETE_WINDOW");
 	XSetWMProtocols(m_disp, m_win, &protocols, 1);
 
-	XMapWindow(m_disp, m_win);
+	setVisible(true);
 
 	setSize(description.mode.width, description.mode.height);
 
@@ -125,6 +130,49 @@ void X11Display::setPosition(unsigned int x, unsigned int y)
 	::XMoveWindow(m_disp, m_win, x, y);
 }
 
+Vector2u X11Display::getPosition() const
+{
+	Vector2u pos(0, 0);
+	XWindowAttributes attr;
+
+	if (XGetWindowAttributes(m_disp, m_win, &attr)) {
+		pos.x = attr.x;
+		pos.y = attr.y;
+	}
+	return pos;
+}
+
+void X11Display::setVisible(bool visible)
+{
+	if (visible) {
+		::XMapWindow(m_disp, m_win);
+	} else {
+		::XUnmapWindow(m_disp, m_win);
+	}
+}
+
+void X11Display::minimize()
+{
+	::XIconifyWindow(m_disp, m_win, m_screen);
+}
+
+void X11Display::maximize()
+{
+	::XClientMessageEvent ev = {};
+
+	ev.type = ClientMessage;
+	ev.window = m_win;
+	ev.message_type = getAtom("_NET_WM_STATE");
+	ev.format = 32;
+	ev.data.l[0] = _NET_WM_STATE_TOGGLE;
+	ev.data.l[1] = getAtom("_NET_WM_STATE_MAXIMIZED_HORZ");
+	ev.data.l[2] = getAtom("_NET_WM_STATE_MAXIMIZED_VERT");
+	ev.data.l[3] = 1;
+
+	::XSendEvent(m_disp, DefaultRootWindow(m_disp), False,
+		SubstructureNotifyMask, (XEvent*) &ev);
+}
+
 void X11Display::setCaption(const std::string& caption)
 {
 	::XStoreName(m_disp, m_win, caption.c_str());
@@ -190,6 +238,11 @@ void X11Display::showCursor(bool value)
 	XDefineCursor(m_disp, m_win, value ? m_cur_last : m_cur_hidden);
 }
 
+void X11Display::grabCursor(bool value)
+{
+	// TODO (this is abit harder on X11 than windows.)
+}
+
 void X11Display::processEvent(const ::XEvent& event)
 {
 	Vector2u size;

source/Platform/Unix/X11Display.h

@@ -32,6 +32,14 @@ public :
 
 	virtual void	setPosition(unsigned int x, unsigned int y);
 
+	virtual Vector2u getPosition() const;
+
+	virtual void 	setVisible(bool visible);
+
+	virtual void 	minimize();
+
+	virtual void 	maximize();
+
 	virtual void	setCaption(const std::string& caption);
 
 	virtual void 	setIcon(const std::string& icon);
@@ -40,6 +48,8 @@ public :
 
 	virtual void	showCursor(bool value);
 
+	virtual void 	grabCursor(bool value);
+
 	void 			processEvent(const ::XEvent& event);
 
 protected :