From e9455430a6e765b6184532f160f6fde4a67b4a2f Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 18 Jul 2007 09:26:44 +0000
Subject: [PATCH] More code for Window

---
 source/window.cpp | 54 +++++++++++++++++++++++++++++++++++++++++++++++
 source/window.h   | 14 ++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/source/window.cpp b/source/window.cpp
index 81f8ce1..2ec55b9 100644
--- a/source/window.cpp
+++ b/source/window.cpp
@@ -38,8 +38,32 @@ Window::~Window()
 	XCloseDisplay(display);
 }
 
+void Window::show()
+{
+	XMapWindow(display, window);
+}
+
+void Window::tick()
+{
+	while(1)
+	{
+		int pending=XPending(display);
+		if(pending==0)
+			break;
+
+		for(int i=0; i<pending; ++i)
+		{
+			XEvent event;
+			XNextEvent(display, &event);
+			process_event(event);
+		}
+	}
+}
+
 void Window::init(const DisplayOptions &dopt)
 {
+	options=dopt;
+
 	display=XOpenDisplay(0);
 	if(!display)
 		throw Exception("Couldn't open X display");
@@ -60,6 +84,36 @@ void Window::init(const DisplayOptions &dopt)
 		throw Exception("Couldn't get a matching visual");
 
 	window=XCreateWindow(display, DefaultRootWindow(display), 0, 0, dopt.width, dopt.height, 0, CopyFromParent, InputOutput, visual->visual, 0, 0);
+
+	XSelectInput(display, window, ButtonPressMask|ButtonReleaseMask|MotionMask|KeyPressMask|KeyReleaseMask);
+}
+
+void Window::process_event(const XEvent &event)
+{
+	switch(event.type)
+	{
+	case ButtonPress:
+		signal_button_press.emit(event.button.x, event.button.y, event.button.button, event.button.state);
+		break;
+	case ButtonRelease:
+		signal_button_release.emit(event.button.x, event.button.y, event.button.button, event.button.state);
+		break;
+	case PointerMotion:
+		signal_pointer_motion.emit(event.motion.x, event.motion.y);
+		break;
+	case KeyPress:
+		{
+			char buf[16];
+			XLookupString(event.key, buf, sizeof(buf), 0, 0);
+			// XXX Handle the result according to locale
+			signal_key_press.emit(event.key.keycode, event.key.state, buf[0]);
+		}
+		break;
+	case KeyRelease:
+		signal_key_release.emit(event.key.keycode, event.key.state);
+		break;
+	default:;
+	}
 }
 
 } // namespace GLtk
diff --git a/source/window.h b/source/window.h
index 3990acf..2b2b064 100644
--- a/source/window.h
+++ b/source/window.h
@@ -22,14 +22,28 @@ struct DisplayOptions
 class Window
 {
 public:
+	sigc::signal<int, int, unsigned, unsigned> signal_button_press;
+	sigc::signal<int, int, unsigned, unsigned> signal_button_release;
+	sigc::signal<int, int> signal_pointer_motion;
+	sigc::signal<unsigned, unsigned, wchar_t> signal_key_press;
+	sigc::signal<unsigned, unsigned> signal_key_release;
+
 	Window(unsigned, unsigned);
 	Window(const DisplayOptions &);
 	~Window();
+
+	unsigned get_width() const  { return options.width; }
+	unsigned get_height() const { return options.height; }
+	void show();
+	void add(Widget &);
+	void tick();
 private:
 	Display *display;
+	DisplayOptions options;
 	::Window  window;
 
 	void init(const DisplayOptions &);
+	void process_event(const XEvent &);
 };
 
 } // namespace GLtk
-- 
2.43.0