From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 27 Aug 2007 14:29:12 +0000 (+0000)
Subject: Add input hub
X-Git-Tag: 0.9~22
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgui.git;a=commitdiff_plain;h=4d297f94791ef51e574c1345e8dcc5a15aee2149

Add input hub
Connect Keyboard to key_release
---

diff --git a/source/inputhub.cpp b/source/inputhub.cpp
new file mode 100644
index 0000000..d2fc863
--- /dev/null
+++ b/source/inputhub.cpp
@@ -0,0 +1,33 @@
+#include <sigc++/bind.h>
+#include "inputhub.h"
+
+namespace Msp {
+namespace Input {
+
+unsigned Hub::attach(Device &dev)
+{
+	unsigned index=devices.size();
+	devices.push_back(&dev);
+	dev.signal_button_press.connect(sigc::bind(sigc::mem_fun(this, &Hub::button_press), index));
+	dev.signal_button_release.connect(sigc::bind(sigc::mem_fun(this, &Hub::button_release), index));
+	dev.signal_axis_motion.connect(sigc::bind(sigc::mem_fun(this, &Hub::axis_motion), index));
+	return index;
+}
+
+void Hub::button_press(unsigned btn, unsigned index)
+{
+	set_button_state(index<<8 | btn&0xFF, true, true);
+}
+
+void Hub::button_release(unsigned btn, unsigned index)
+{
+	set_button_state(index<<8 | btn&0xFF, false, true);
+}
+
+void Hub::axis_motion(unsigned axis, float value, float, unsigned index)
+{
+	set_axis_value(index<<8 | axis&0xFF, value, true);
+}
+
+} // namespace Input
+} // namespace Msp
diff --git a/source/inputhub.h b/source/inputhub.h
index 1d4b465..b20fd43 100644
--- a/source/inputhub.h
+++ b/source/inputhub.h
@@ -13,8 +13,28 @@ Distributed under the LGPL
 namespace Msp {
 namespace Input {
 
+/**
+The Hub device collects events from multiple input devices and presents an
+aggregate of them.  Button and axis numbers are mapped to unique values.
+*/
 class Hub: public Device
 {
+protected:
+	std::vector<Device *> devices;
+
+public:
+	/**
+	Attaches an input device to the hub.
+
+	@param   dev  Device to attach
+
+	@return  Index of the device within the hub
+	*/
+	unsigned attach(Device &dev);
+protected:
+	void button_press(unsigned, unsigned);
+	void button_release(unsigned, unsigned);
+	void axis_motion(unsigned, float, float, unsigned);
 };
 
 } // namespace Input
diff --git a/source/keyboard.cpp b/source/keyboard.cpp
index 4bc586c..45ef092 100644
--- a/source/keyboard.cpp
+++ b/source/keyboard.cpp
@@ -16,6 +16,7 @@ Keyboard::Keyboard(Window &window)
 	buttons.resize(256, false);
 
 	window.signal_key_press.connect(sigc::mem_fun(this, &Keyboard::key_press));
+	window.signal_key_release.connect(sigc::mem_fun(this, &Keyboard::key_release));
 }
 
 void Keyboard::key_press(unsigned key, unsigned, unsigned)