From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 19 Sep 2016 17:32:45 +0000 (+0300)
Subject: Add touchscreen and gestures to the event test program
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgui.git;a=commitdiff_plain;h=bb50090c6cd069832ba06772e3387639fe4dca6e

Add touchscreen and gestures to the event test program
---

diff --git a/examples/ev.cpp b/examples/ev.cpp
index cc15e71..1c4e59c 100644
--- a/examples/ev.cpp
+++ b/examples/ev.cpp
@@ -1,7 +1,9 @@
 #include <msp/core/application.h>
 #include <msp/graphics/simplewindow.h>
+#include <msp/input/gesturedetector.h>
 #include <msp/input/keyboard.h>
 #include <msp/input/mouse.h>
+#include <msp/input/touchscreen.h>
 #include <msp/io/print.h>
 #include <msp/stringcodec/codec.h>
 #include <msp/stringcodec/utf8.h>
@@ -16,9 +18,12 @@ private:
 	Graphics::SimpleWindow window;
 	Input::Keyboard keyboard;
 	Input::Mouse mouse;
+	Input::Touchscreen *touch;
+	Input::GestureDetector *gesture;
 
 public:
 	Ev(int, char **);
+	~Ev();
 
 private:
 	virtual void tick();
@@ -31,12 +36,20 @@ private:
 	void button_press(unsigned);
 	void button_release(unsigned);
 	void axis_motion(unsigned, float, float);
+	void touch_press(unsigned);
+	void touch_release(unsigned);
+	void touch_motion(unsigned, float, float);
+	void gesture_started(unsigned);
+	void gesture_ended(unsigned);
+	void gesture_axis(unsigned, float, float);
 };
 
 Ev::Ev(int, char **):
 	window(200, 200),
 	keyboard(window),
-	mouse(window)
+	mouse(window),
+	touch(0),
+	gesture(0)
 {
 	window.get_display().signal_got_focus.connect(sigc::mem_fun(this, &Ev::got_focus));
 	window.get_display().signal_lost_focus.connect(sigc::mem_fun(this, &Ev::lost_focus));
@@ -47,10 +60,27 @@ Ev::Ev(int, char **):
 	mouse.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::button_press), false));
 	mouse.signal_button_release.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::button_release), false));
 	mouse.signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::axis_motion), false));
+	if(Input::Touchscreen::is_available())
+	{
+		touch = new Input::Touchscreen(window);
+		gesture = new Input::GestureDetector(*touch);
+		touch->signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::touch_press), false));
+		touch->signal_button_release.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::touch_release), false));
+		touch->signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::touch_motion), false));
+		gesture->signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::gesture_started), false));
+		gesture->signal_button_release.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::gesture_ended), false));
+		gesture->signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Ev::gesture_axis), false));
+	}
 	window.set_title("Event tester");
 	window.show();
 }
 
+Ev::~Ev()
+{
+	delete gesture;
+	delete touch;
+}
+
 void Ev::tick()
 {
 	window.tick();
@@ -96,3 +126,33 @@ void Ev::axis_motion(unsigned axis, float value, float rel)
 {
 	IO::print("axis_motion: %s %.3f %+.3f\n", mouse.get_axis_name(axis), value, rel);
 }
+
+void Ev::touch_press(unsigned btn)
+{
+	IO::print("touch_press: %s\n", touch->get_button_name(btn));
+}
+
+void Ev::touch_release(unsigned btn)
+{
+	IO::print("touch_release: %s\n", touch->get_button_name(btn));
+}
+
+void Ev::touch_motion(unsigned axis, float value, float rel)
+{
+	IO::print("touch_motion: %s %.3f %+.3f\n", touch->get_axis_name(axis), value, rel);
+}
+
+void Ev::gesture_started(unsigned type)
+{
+	IO::print("gesture_started: %s\n", gesture->get_button_name(type));
+}
+
+void Ev::gesture_ended(unsigned type)
+{
+	IO::print("gesture_ended: %s\n", gesture->get_button_name(type));
+}
+
+void Ev::gesture_axis(unsigned axis, float value, float rel)
+{
+	IO::print("gesture_axis: %s %.3f %.3f\n", gesture->get_axis_name(axis), value, rel);
+}