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root/truck/DashInterface/DashInterface.cpp

Comparing DashInterface/DashInterface.cpp (file contents):
Revision 26 by douglas, 2008-02-23T13:35:09-08:00 vs.
Revision 44 by douglas, 2008-03-06T15:21:03-08:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	+	#include <algorithm>
8	+	#include <iomanip>
9		#include <iostream>
10	+	#include <sstream>
11
12		#include <foreach.hpp>
13		#include <hash.hpp>
14	+	#include <iconv.hpp>
15		#include <regex.hpp>
16	+	#include <scopes.hpp>
17	+	#include <timing.hpp>
18
19		#include <Audacious.hpp>
20		#include <GPS.hpp>
21
22	<	#include <sqlite3.h>
22	>	#include <sys/types.h>
23	>	#include <sys/sysctl.h>
24	>	#include <sys/utsname.h>
25
26		#include "Display.hpp"
27	+	#include "MenuList.hpp"
28
29		bool debug(false);
30
31	+	class DashInterface
32	+	{
33	+	enum Mode { Uname, Music, English, Metric, Nautical, Menu } mode, previous;
34	+	enum { Running, Audio };
35	+	enum { Stopped, Paused, Playing } audio;
36	+	Timing::Time now;
37	+	IConv::IConv ascii;
38	+	Display display;
39	+	Pthreads::ThreadMutex displayLock;
40	+	Audacious::Audacious audacious;
41	+	//GPS::GPS gps;
42	+	MenuList *list;
43	+	bool append;
44	+
45	+	inline std::string Filter(const std::string input)
46	+	{
47	+	std::string output(ascii.Convert(input));
48	+
49	+	std::replace(output.begin(), output.end(), '~', '\xce');
50	+
51	+	return output;
52	+	}
53	+
54	+	void Mode_(bool change = false)
55	+	{
56	+	switch (mode)
57	+	{
58	+	case Uname:
59	+	return Uname_(change);
60	+	case Music:
61	+	if (audacious.IsRunning())
62	+	{
63	+	int position(audacious.GetPlaylistPosition());
64	+	std::string artist(Filter(audacious.GetTupleFieldData(_B("artist"), position)));
65	+
66	+	artist.resize(20, ' ');
67	+	display.Set(0, 1, artist);
68	+
69	+	std::string title(Filter(audacious.GetTupleFieldData(_B("title"), position)));
70	+
71	+	title.resize(20, ' ');
72	+	display.Set(0, 2, title);
73	+
74	+	int played(audacious.GetOutputTime() / 1000);
75	+	int left(audacious.GetPlaylistTime(position) / 1000 - played);
76	+	char *times;
77	+
78	+	::asprintf(&times, "%2i:%02i -%2i:%02i", played / 60, played % 60, left / 60, left % 60);
79	+
80	+	std::string times_(times);
81	+
82	+	std::free(times);
83	+
84	+	times_.resize(20, ' ');
85	+	display.Set(0, 3, times_);
86	+	}
87	+	else
88	+	{
89	+	display.Set(0, 1, std::string(20, ' '));
90	+	display.Set(0, 2, std::string(20, ' '));
91	+	display.Set(0, 3, _B(" -:-- - -:--       "));
92	+	}
93	+
94	+	return;
95	+	case English:
96	+	case Metric:
97	+	case Nautical:
98	+	display.Set(0, 1, _B("STUB: GPS ") + (mode == English ? _B("English   ") : mode == Metric ? _B("Metric    ") : _B("Nautical  ")));
99	+	display.Set(0, 2, std::string(20, ' '));
100	+	display.Set(0, 3, std::string(20, ' '));
101	+
102	+	return;
103	+	case Menu:
104	+	if (change)
105	+	{
106	+	display.SetCursorStyle(Display::InvertingBlinkingBlock);
107	+
108	+	append = true;
109	+	list = new TopList(display, audacious, append);
110	+
111	+	list->Render();
112	+	}
113	+	}
114	+	}
115	+
116	+	void Uname_(bool change = false)
117	+	{
118	+	if (!now || change)
119	+	{
120	+	utsname os;
121	+
122	+	::uname(&os);
123	+
124	+	static Pcre::RegEx version(_B("^(\\d+\\.\\d+)-([A-Z])[A-Z]*(-p\\d+)?.*$"));
125	+	Pcre::RegEx::Match match(version(os.release));
126	+	std::string name(os.sysname + _B(" ") + match[1] + match[2] + match[3]);
127	+
128	+	name.resize(20, ' ');
129	+	display.Set(0, 1, name);
130	+	}
131	+
132	+	int mib[] = { CTL_KERN, KERN_BOOTTIME };
133	+	timeval boottime;
134	+	size_t size(sizeof (boottime));
135	+
136	+	if (now && ::sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 && boottime.tv_sec != 0)
137	+	{
138	+	time_t uptime(now - boottime.tv_sec);
139	+
140	+	if (uptime > 60)
141	+	uptime += 30;
142	+
143	+	char *when;
144	+	int days(uptime / 86400);
145	+
146	+	uptime %= 86400;
147	+
148	+	int hours(uptime / 3600);
149	+
150	+	uptime %= 3600;
151	+
152	+	int minutes(uptime / 60), seconds(uptime % 60);
153	+
154	+	::asprintf(&when, "%i+%02i:%02i:%02i", days, hours, minutes, seconds);
155	+
156	+	std::string then(when);
157	+
158	+	std::free(when);
159	+
160	+	then.resize(17, ' ');
161	+
162	+	if (change)
163	+	display.Set(0, 2, _B("up ") + then);
164	+	else
165	+	display.Set(3, 2, then);
166	+	}
167	+	else
168	+	display.Set(0, 2, _B("up -+--:--:--       "));
169	+
170	+	double averages[3];
171	+
172	+	if (::getloadavg(averages, 3) == -1 || !now)
173	+	display.Set(0, 3, _B("-.--, -.--, -.--    "));
174	+	else
175	+	{
176	+	char *load;
177	+
178	+	::asprintf(&load, "%.2f, %.2f, %.2f", averages[0], averages[1] , averages[2]);
179	+
180	+	std::string load_(load);
181	+
182	+	std::free(load);
183	+
184	+	load_.resize(20, ' ');
185	+	display.Set(0, 3, load_);
186	+	}
187	+	}
188	+
189	+	void Buttons(Display::KeyActivity activity)
190	+	{
191	+	_synchronized (displayLock)
192	+	if (mode != Menu)
193	+	{
194	+	bool change(false);
195	+
196	+	switch (activity)
197	+	{
198	+	case Display::UpPress:
199	+	--mode;
200	+
201	+	goto change;
202	+	case Display::DownPress:
203	+	++mode;
204	+
205	+	goto change;
206	+	case Display::LeftPress:
207	+	if (audacious.IsRunning())
208	+	audacious.PlaylistPrevious();
209	+
210	+	goto update;
211	+	case Display::RightPress:
212	+	if (audacious.IsRunning())
213	+	audacious.PlaylistNext();
214	+
215	+	goto update;
216	+	case Display::EnterPress:
217	+	previous = mode;
218	+	mode = Menu;
219	+
220	+	goto change;
221	+	case Display::ExitPress:
222	+	if (audacious.IsRunning())
223	+	audacious.PlayPause();
224	+
225	+	goto update;
226	+	default:
227	+	return;
228	+	}
229	+
230	+	change:                 change = true;
231	+
232	+	update:                 Mode_(change);
233	+	}
234	+	else
235	+	switch (activity)
236	+	{
237	+	case Display::UpPress:
238	+	return (++*list).Render();
239	+	case Display::DownPress:
240	+	return (--*list).Render();
241	+	case Display::LeftPress:
242	+	list = list->Left();
243	+
244	+	goto render;
245	+	case Display::RightPress:
246	+	list = list->Right();
247	+
248	+	goto render;
249	+	case Display::EnterPress:
250	+	list = list->Enter();
251	+
252	+	render:                         if (list != NULL)
253	+	return list->Render();
254	+
255	+	goto exit;
256	+	case Display::ExitPress:
257	+	delete list;
258	+
259	+	exit:                           mode = previous;
260	+
261	+	display.SetCursorStyle(Display::NoCursor);
262	+	display.Set(0, 0, _B("  "));
263	+	display.Set(18, 0, _B("  "));
264	+
265	+	Mode_(true);
266	+	default:
267	+	return;
268	+	}
269	+	}
270	+
271	+	public:
272	+	DashInterface(const std::string &device) : mode(Uname), audio(Stopped), ascii(_B("ASCII//TRANSLIT//IGNORE"), _B("UTF-8")), display(device, reinterpret_cast<Display::Callback>(::Buttons), this)
273	+	{
274	+	_synchronized (displayLock)
275	+	{
276	+	display.Clear();
277	+	display.SetBacklight(100);
278	+	display.Set(2, 0, _B("--:--:-- -- ---"));
279	+
280	+	display.Set(Running, Display::Green, 0);
281	+	display.Set(Running, Display::Red, 100);
282	+	display.Set(Audio, Display::Green, 0);
283	+	display.Set(Audio, Display::Red, 100);
284	+
285	+	uint8_t mask(Display::Up | Display::Enter | Display::Cancel | Display::Left | Display::Right | Display::Down);
286	+
287	+	display.KeyReporting(mask, mask);
288	+
289	+	Uname_();
290	+
291	+	display.Store();
292	+	display.Set(Running, Display::Green, 100);
293	+	display.Set(Running, Display::Red, 0);
294	+	}
295	+	}
296	+
297	+	void Run()
298	+	{
299	+	_forever
300	+	{
301	+	_synchronized (displayLock)
302	+	{
303	+	now = Timing::GetTimeOfDay();
304	+
305	+	if (mode != Menu)
306	+	{
307	+	char when[16];
308	+
309	+	std::strftime(when, sizeof (when), "%l:%M:%S %p %Z", std::localtime(now));
310	+
311	+	display.Set(2, 0, when);
312	+	}
313	+
314	+	if (audacious.IsRunning() && audacious.IsPlaying())
315	+	if (audacious.IsPaused())
316	+	{
317	+	if (audio != Paused)
318	+	{
319	+	display.Set(Audio, Display::Green, 100);
320	+	display.Set(Audio, Display::Red, 100);
321	+
322	+	audio = Paused;
323	+	}
324	+	}
325	+	else
326	+	{
327	+	if (audio != Playing)
328	+	{
329	+	display.Set(Audio, Display::Green, 100);
330	+	display.Set(Audio, Display::Red, 0);
331	+
332	+	audio = Playing;
333	+	}
334	+	}
335	+	else if (audio != Stopped)
336	+	{
337	+	display.Set(Audio, Display::Green, 0);
338	+	display.Set(Audio, Display::Red, 100);
339	+
340	+	audio = Stopped;
341	+	}
342	+
343	+	Mode_();
344	+	}
345	+
346	+	Timing::NanoSleep(Timing::Time(1) -= Timing::GetTimeOfDay().GetNanoseconds());
347	+	}
348	+	}
349	+
350	+	friend void Buttons(Display::KeyActivity activity, DashInterface *interface)
351	+	{
352	+	interface->Buttons(activity);
353	+	}
354	+
355	+	inline friend Mode &operator ++(Mode &mode)
356	+	{
357	+	return mode = Mode((mode + 1) % Menu);
358	+	}
359	+
360	+	inline friend Mode &operator --(Mode &mode)
361	+	{
362	+	return mode = Mode((Menu + mode - 1) % Menu);
363	+	}
364	+	};
365	+
366		int main(int argc, char *argv[])
367		{
368		std::string device;
#	Line 54 | Line 398 | usage: std::cout << _B("Usage: ") << arg
398
399		try
400		{
401	<	//enum Mode { Uname, Music, English, Metric, Nautical, Last } mode(Uname);
58	<	//Audacious audacious;
59	<	Display display(device);
60	<
61	<	display.Ping("Hello!");
62	<
63	<	/*GPS::GPS gps;
64	<
65	<	gps.Query(_B("o"));
401	>	DashInterface interface(device);
402
403	<	std::cout << gps.GetLatitude() << std::endl;*/
403	>	interface.Run();
404		}
405		catch (const std::exception &exception)
406		{

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