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root/cebix/SIDPlayer/src/main.cpp

Comparing SIDPlayer/src/main.cpp (file contents):
Revision 1.1 by cebix, 2000-07-28T12:42:30Z vs.
Revision 1.2 by cebix, 2000-09-19T15:34:10Z

#	Line 1 | Line 1
1		/*
2	<	*  main.cpp - SIDPlayer main program
2	>	*  main.cpp - SIDPlayer common routines
3		*
4		*  SIDPlayer (C) Copyright 1996-2000 Christian Bauer
5		*
#	Line 20 | Line 20
20
21		#include "sys.h"
22
23	–	#include <AppKit.h>
24	–	#include <InterfaceKit.h>
25	–	#include <support/UTF8.h>
26	–	#include <storage/Path.h>
27	–	#include <media/SoundPlayer.h>
23		#include <stdio.h>
24		#include <string.h>
25	<	#include <unistd.h>
25	>
26	>	#if defined(__BEOS__)
27	>	#include <support/UTF8.h>
28	>	#endif
29
30		#include "main.h"
31		#include "prefs.h"
34	–	#include "prefs_window.h"
32		#include "mem.h"
33		#include "cpu.h"
34		#include "sid.h"
#	Line 40 | Line 37
37
38		// Global variables
39		uint32 f_rand_seed = 1;
40	+	int number_of_songs, current_song;
41	+	char module_name[64];
42	+	char author_name[64];
43	+	char copyright_info[64];
44
45		// Flag: PSID file loaded and ready
46		static bool psid_loaded = false;
47
48		// Data from PSID header
48	–	static int number_of_songs;             // Total number of songs in module
49		static uint16 init_adr;                 // C64 init routine address
50		uint16 play_adr;                                // C64 replay routine address
51		static uint32 speed_flags;              // Speed flags (1 bit/song)
52	–	char module_name[64];                   // Module name
53	–	char author_name[64];                   // Author name
54	–	char copyright_info[64];                // Copyright info
55	–
56	–	// Currently played song number (0..n)
57	–	static int current_song;
58	–
59	–
60	–	// Message codes
61	–	const uint32 MSG_NEW_MODULE = 'load';
62	–	const uint32 MSG_NEW_SONG = 'song';
63	–	const uint32 MSG_SHOW_PREFS = 'pref';
64	–	const uint32 MSG_PLAY_PAUSE = 'plpa';
65	–	const uint32 MSG_STOP = 'stop';
66	–	const uint32 MSG_NEXT = 'next';
67	–	const uint32 MSG_PREV = 'prev';
68	–
69	–
70	–	class MainWindow;
71	–	class SpeedSlider;
72	–
73	–	// Application object
74	–	class SIDPlayer : public BApplication {
75	–	public:
76	–	SIDPlayer();
77	–	virtual ~SIDPlayer();
78	–	virtual void ArgvReceived(int32 argc, char **argv);
79	–	virtual void RefsReceived(BMessage *msg);
80	–	virtual void MessageReceived(BMessage *msg);
81	–	virtual void ReadyToRun(void);
82	–	virtual void AboutRequested(void);
83	–
84	–	private:
85	–	static void buffer_proc(void *cookie, void *buffer, size_t size, const media_raw_audio_format &format);
86	–
87	–	MainWindow *main_window;
88	–	PrefsWindow *prefs_window;
89	–	BSoundPlayer player;
90	–	bool player_stopped;
91	–	};
92	–
93	–
94	–	// Main window object
95	–	class MainWindow : public BWindow {
96	–	public:
97	–	MainWindow();
98	–	virtual bool QuitRequested(void);
99	–	virtual void MessageReceived(BMessage *msg);
100	–
101	–	private:
102	–	BStringView *make_name_display(BRect frame, char *label_text, BView *parent);
103	–
104	–	rgb_color fill_color;
105	–
106	–	BStringView *name_view;
107	–	BStringView *author_view;
108	–	BStringView *copyright_view;
109	–	BStringView *position_view;
110	–	SpeedSlider *speed_slider;
111	–	};
112	–
113	–
114	–	// Top view object (handles drag&drop)
115	–	class TopView : public BView {
116	–	public:
117	–	TopView(BRect frame, const char *name, uint32 resizingMode, uint32 flags);
118	–	virtual void MessageReceived(BMessage *msg);
119	–	virtual void KeyDown(const char *bytes, int32 numBytes);
120	–	};
121	–
122	–
123	–	// Buttons
124	–	class PlayPauseButton : public BButton {
125	–	public:
126	–	PlayPauseButton(BRect frame, BMessage *msg);
127	–	virtual void Draw(BRect update);
128	–	};
129	–
130	–	class StopButton : public BButton {
131	–	public:
132	–	StopButton(BRect frame, BMessage *msg);
133	–	virtual void Draw(BRect update);
134	–	};
135	–
136	–	class NextButton : public BButton {
137	–	public:
138	–	NextButton(BRect frame, BMessage *msg);
139	–	virtual void Draw(BRect update);
140	–	};
141	–
142	–	class PrevButton : public BButton {
143	–	public:
144	–	PrevButton(BRect frame, BMessage *msg);
145	–	virtual void Draw(BRect update);
146	–	};
147	–
148	–
149	–	// Speed slider
150	–	class SpeedSlider : public BSlider {
151	–	public:
152	–	SpeedSlider(BRect frame, const char *name) : BSlider(frame, name, "Speed", NULL, -100, 100, B_TRIANGLE_THUMB)
153	–	{
154	–	SetHashMarks(B_HASH_MARKS_TOP);
155	–	SetHashMarkCount(3);
156	–	const rgb_color bar_color = {128, 128, 216, 0};
157	–	SetBarColor(bar_color);
158	–	SetValue(0);
159	–	}
160	–	virtual ~SpeedSlider() {}
161	–	virtual void SetValue(int32 value)
162	–	{
163	–	int percent = value < 0 ? 100 + value / 2 : 100 + value;
164	–	sprintf(status, "%d%%", percent);
165	–	SIDAdjustSpeed(percent);
166	–	BSlider::SetValue(value);
167	–	}
168	–	virtual char *UpdateText(void) const
169	–	{
170	–	return status;
171	–	}
52
173	–	private:
174	–	mutable char status[32];
175	–	};
53
54
55		/*
#	Line 209 | Line 86 | bool LoadPSIDHeader(const char *file, ui
86		{
87		// Read header
88		memset(p, 0, PSID_MAX_HEADER_LENGTH);
89	<	int fd = open(file, O_RDONLY);
90	<	if (fd < 0)
89	>	FILE *f = fopen(file, "rb");
90	>	if (f == NULL)
91		return false;
92	<	ssize_t actual = read(fd, p, PSID_MAX_HEADER_LENGTH);
93	<	close(fd);
92	>	size_t actual = fread(p, 1, PSID_MAX_HEADER_LENGTH, f);
93	>	fclose(f);
94		return actual >= PSID_MIN_HEADER_LENGTH;
95		}
96
#	Line 227 | Line 104 | bool IsPSIDHeader(const uint8 *p)
104		// Check signature and version
105		uint32 id = read_psid_32(p, PSID_ID);
106		uint16 version = read_psid_16(p, PSID_VERSION);
107	<	return id == 'PSID' && (version == 1 || version == 2);
107	>	return id == 0x50534944 && (version == 1 || version == 2);
108		}
109
110
#	Line 254 | Line 131 | bool IsPSIDFile(const char *file)
131		bool LoadPSIDFile(const char *file)
132		{
133		// Open file
134	<	int fd = open(file, O_RDONLY);
135	<	if (fd < 0)
134	>	FILE *f = fopen(file, "rb");
135	>	if (f == NULL)
136		return false;
137
138		// Clear C64 RAM
#	Line 264 | Line 141 | bool LoadPSIDFile(const char *file)
141
142		// Load and check header
143		uint8 header[PSID_MAX_HEADER_LENGTH];
144	<	ssize_t actual = read(fd, header, PSID_MAX_HEADER_LENGTH);
145	<	if (actual < 0 || !IsPSIDHeader(header)) {
146	<	close(fd);
144	>	memset(header, 0, PSID_MAX_HEADER_LENGTH);
145	>	size_t actual = fread(header, 1, PSID_MAX_HEADER_LENGTH, f);
146	>	if (actual < PSID_MIN_HEADER_LENGTH || !IsPSIDHeader(header)) {
147	>	fclose(f);
148		return false;
149		}
150
#	Line 285 | Line 163 | bool LoadPSIDFile(const char *file)
163
164		speed_flags = read_psid_32(header, PSID_SPEED);
165
166	+	#if defined(__BEOS__)
167		int32 sl = 32, dl = 64, state = 0;
168		convert_to_utf8(B_ISO1_CONVERSION, (char *)(header + PSID_NAME), &sl, module_name, &dl, &state);
169		sl = 32, dl = 64, state = 0;
#	Line 294 | Line 173 | bool LoadPSIDFile(const char *file)
173		module_name[63] = 0;
174		author_name[63] = 0;
175		copyright_info[63] = 0;
176	+	#else
177	+	strncpy(module_name, (char *)(header + PSID_NAME), 32);
178	+	strncpy(author_name, (char *)(header + PSID_AUTHOR), 32);
179	+	strncpy(copyright_info, (char *)(header + PSID_COPYRIGHT), 32);
180	+	module_name[32] = 0;
181	+	author_name[32] = 0;
182	+	copyright_info[32] = 0;
183	+	#endif
184
185		// Seek to start of module data
186	<	lseek(fd, read_psid_16(header, PSID_LENGTH), SEEK_SET);
186	>	fseek(f, read_psid_16(header, PSID_LENGTH), SEEK_SET);
187
188		// Find load address
189		uint16 load_adr = read_psid_16(header, PSID_START);
190		if (load_adr == 0) {    // Load address is at start of module data
191	<	uint8 hi, lo;
192	<	read(fd, &lo, 1);
306	<	read(fd, &hi, 1);
191	>	uint8 lo = fgetc(f);
192	>	uint8 hi = fgetc(f);
193		load_adr = (hi << 8) | lo;
194		}
195		if (init_adr == 0)              // Init routine address is equal to load address
196		init_adr = load_adr;
197
198		// Load module data to C64 RAM
199	<	read(fd, ram + load_adr, RAM_SIZE - load_adr);
200	<	close(fd);
199	>	fread(ram + load_adr, 1, RAM_SIZE - load_adr, f);
200	>	fclose(f);
201
202		// Select default song
203		SelectSong(current_song);
#	Line 353 | Line 239 | void SelectSong(int num)
239		// Execute init routine
240		CPUExecute(init_adr, current_song, 0, 0, 1000000);
241		}
356	–
357	–
358	–	/*
359	–	*  Application constructor
360	–	*/
361	–
362	–	#if B_HOST_IS_LENDIAN
363	–	const media_raw_audio_format audio_format = {44100.0, 2, media_raw_audio_format::B_AUDIO_SHORT, B_MEDIA_LITTLE_ENDIAN, 4096};
364	–	#else
365	–	const media_raw_audio_format audio_format = {44100.0, 2, media_raw_audio_format::B_AUDIO_SHORT, B_MEDIA_BIG_ENDIAN, 4096};
366	–	#endif
367	–
368	–	SIDPlayer::SIDPlayer() : BApplication("application/x-vnd.cebix-SIDPlayer"), player(&audio_format, "SIDPlayer", buffer_proc)
369	–	{
370	–	main_window = NULL;
371	–	player.SetHasData(true);
372	–	player_stopped = true;
373	–	}
374	–
375	–
376	–	/*
377	–	*  Application destructor
378	–	*/
379	–
380	–	SIDPlayer::~SIDPlayer()
381	–	{
382	–	main_window = NULL;
383	–	prefs_window = NULL;
384	–	player.Stop();
385	–	player_stopped = true;
386	–	}
387	–
388	–
389	–	/*
390	–	*  Shell arguments received
391	–	*/
392	–
393	–	void SIDPlayer::ArgvReceived(int32 argc, char **argv)
394	–	{
395	–	if (argc >= 2) {
396	–	player.Stop();
397	–	LoadPSIDFile(argv[1]);
398	–	player.Start();
399	–	player_stopped = false;
400	–	if (main_window)
401	–	main_window->PostMessage(MSG_NEW_MODULE);
402	–	}
403	–	}
404	–
405	–
406	–	/*
407	–	*  Tracker arguments received
408	–	*/
409	–
410	–	void SIDPlayer::RefsReceived(BMessage *msg)
411	–	{
412	–	entry_ref the_ref;
413	–	if (msg->FindRef("refs", &the_ref) == B_NO_ERROR) {
414	–	BEntry the_entry;
415	–	if (the_entry.SetTo(&the_ref) == B_NO_ERROR) {
416	–	if (the_entry.IsFile()) {
417	–	BPath the_path;
418	–	the_entry.GetPath(&the_path);
419	–	player.Stop();
420	–	LoadPSIDFile(the_path.Path());
421	–	player.Start();
422	–	player_stopped = false;
423	–	if (main_window)
424	–	main_window->PostMessage(MSG_NEW_MODULE);
425	–	}
426	–	}
427	–	}
428	–	}
429	–
430	–
431	–	/*
432	–	*  Message received
433	–	*/
434	–
435	–	void SIDPlayer::MessageReceived(BMessage *msg)
436	–	{
437	–	switch (msg->what) {
438	–
439	–	case B_SIMPLE_DATA:     // Dropped message
440	–	RefsReceived(msg);
441	–	break;
442	–
443	–	case MSG_SHOW_PREFS:
444	–	if (!prefs_window_open)
445	–	prefs_window = new PrefsWindow();
446	–	else if (prefs_window)
447	–	prefs_window->Activate(true);
448	–	break;
449	–
450	–	case MSG_PLAY_PAUSE:
451	–	if (player_stopped) {
452	–	player.Start();
453	–	player_stopped = false;
454	–	} else {
455	–	player.Stop();
456	–	player_stopped = true;
457	–	}
458	–	break;
459	–
460	–	case MSG_STOP:
461	–	player.Stop();
462	–	player_stopped = true;
463	–	SelectSong(current_song);
464	–	main_window->PostMessage(MSG_NEW_SONG);
465	–	break;
466	–
467	–	case MSG_NEXT:
468	–	if (current_song < number_of_songs-1) {
469	–	player.Stop();
470	–	SelectSong(current_song + 1);
471	–	main_window->PostMessage(MSG_NEW_SONG);
472	–	if (!player_stopped)
473	–	player.Start();
474	–	}
475	–	break;
476	–
477	–	case MSG_PREV:
478	–	if (current_song > 0) {
479	–	player.Stop();
480	–	SelectSong(current_song - 1);
481	–	main_window->PostMessage(MSG_NEW_SONG);
482	–	if (!player_stopped)
483	–	player.Start();
484	–	}
485	–	break;
486	–
487	–	default:
488	–	BApplication::MessageReceived(msg);
489	–	break;
490	–	}
491	–	}
492	–
493	–
494	–	/*
495	–	*  Arguments processed, open player window
496	–	*/
497	–
498	–	void SIDPlayer::ReadyToRun(void)
499	–	{
500	–	main_window = new MainWindow();
501	–	if (psid_loaded)
502	–	main_window->PostMessage(MSG_NEW_MODULE);
503	–	}
504	–
505	–
506	–	/*
507	–	*  Show About window
508	–	*/
509	–
510	–	void AboutWindow(void)
511	–	{
512	–	BAlert *theAlert = new BAlert("",
513	–	"SIDPlayer\nVersion 4.0\n\n"
514	–	"Copyright " B_UTF8_COPYRIGHT " 1996-2000 Christian Bauer\n"
515	–	"E-mail: Christian.Bauer@uni-mainz.de\n"
516	–	"http://www.uni-mainz.de/~bauec002/\n\n"
517	–	"SIDPlayer comes with ABSOLUTELY NO\n"
518	–	"WARRANTY. This is free software, and\n"
519	–	"you are welcome to redistribute it\n"
520	–	"under the terms of the GNU General\n"
521	–	"Public License.\n",
522	–	"OK", NULL, NULL, B_WIDTH_FROM_LABEL);
523	–
524	–	BTextView *theText = theAlert->TextView();
525	–	if (theText) {
526	–	theText->SetStylable(true);
527	–	theText->Select(0, 9);
528	–	BFont ourFont;
529	–	theText->SetFontAndColor(be_bold_font);
530	–	theText->GetFontAndColor(2, &ourFont, NULL);
531	–	ourFont.SetSize(24);
532	–	theText->SetFontAndColor(&ourFont);
533	–	}
534	–	theAlert->Go();
535	–	}
536	–
537	–	void SIDPlayer::AboutRequested(void)
538	–	{
539	–	AboutWindow();
540	–	}
541	–
542	–
543	–	/*
544	–	*  SoundPlayer buffer procedure
545	–	*/
546	–
547	–	void SIDPlayer::buffer_proc(void *cookie, void *buffer, size_t size, const media_raw_audio_format &format)
548	–	{
549	–	SIDCalcBuffer((uint8 *)buffer, size);
550	–	}
551	–
552	–
553	–	/*
554	–	*  Main window constructor
555	–	*/
556	–
557	–	MainWindow::MainWindow() : BWindow(BRect(0, 0, 284, 96), "SIDPlayer", B_TITLED_WINDOW, B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_ASYNCHRONOUS_CONTROLS)
558	–	{
559	–	fill_color = ui_color(B_PANEL_BACKGROUND_COLOR);
560	–	BRect b = Bounds();
561	–
562	–	// Move window to right position
563	–	Lock();
564	–	MoveTo(80, 80);
565	–
566	–	// Create menu bar
567	–	BMenuBar *bar = new BMenuBar(BRect(0, 0, b.right, b.bottom), "menubar");
568	–	BMenu *menu = new BMenu("File");
569	–	menu->AddItem(new BMenuItem("About SIDPlayer" B_UTF8_ELLIPSIS, new BMessage(B_ABOUT_REQUESTED)));
570	–	menu->AddItem(new BSeparatorItem());
571	–	menu->AddItem(new BMenuItem("Sound Control" B_UTF8_ELLIPSIS, new BMessage(MSG_SHOW_PREFS), 'P'));
572	–	menu->AddItem(new BSeparatorItem());
573	–	menu->AddItem(new BMenuItem("Quit", new BMessage(B_QUIT_REQUESTED), 'Q'));
574	–	menu->SetTargetForItems(be_app);
575	–	bar->AddItem(menu);
576	–	AddChild(bar);
577	–	SetKeyMenuBar(bar);
578	–	float menu_height = bar->Bounds().Height();
579	–
580	–	// Resize window to fit menu bar
581	–	ResizeBy(0, menu_height);
582	–
583	–	// Light gray background
584	–	TopView *top = new TopView(BRect(0, menu_height, b.right, b.bottom + menu_height), "main", B_FOLLOW_NONE, B_WILL_DRAW);
585	–	AddChild(top);
586	–	top->SetViewColor(fill_color);
587	–
588	–	// Name/author/copyright display
589	–	name_view = make_name_display(BRect(0, 5, 279, 21), "Name", top);
590	–	author_view = make_name_display(BRect(0, 25, 279, 41), "Author", top);
591	–	copyright_view = make_name_display(BRect(0, 45, 279, 61), "Copyright", top);
592	–
593	–	// Buttons
594	–	top->AddChild(new PlayPauseButton(BRect(6, 67, 36, 91), new BMessage(MSG_PLAY_PAUSE)));
595	–	top->AddChild(new StopButton(BRect(37, 67, 67, 91), new BMessage(MSG_STOP)));
596	–	top->AddChild(new PrevButton(BRect(68, 67, 98, 91), new BMessage(MSG_PREV)));
597	–	top->AddChild(new NextButton(BRect(99, 67, 129, 91), new BMessage(MSG_NEXT)));
598	–
599	–	// Position indicator
600	–	top->AddChild(position_view = new BStringView(BRect(134, 72, 193, 85), "position", ""));
601	–	position_view->SetViewColor(fill_color);
602	–
603	–	// Speed slider
604	–	top->AddChild(speed_slider = new SpeedSlider(BRect(194, 62, 279, 63), "speed"));
605	–
606	–	// Show window
607	–	top->MakeFocus();
608	–	Unlock();
609	–	Show();
610	–	}
611	–
612	–
613	–	/*
614	–	*  Create name display field
615	–	*/
616	–
617	–	BStringView *MainWindow::make_name_display(BRect frame, char *label_text, BView *parent)
618	–	{
619	–	// Label to the left of the display field
620	–	BRect label_rect = frame;
621	–	label_rect.right = label_rect.left + 65;
622	–
623	–	BStringView *label = new BStringView(label_rect, "", label_text);
624	–	parent->AddChild(label);
625	–	label->SetViewColor(fill_color);
626	–	label->SetLowColor(fill_color);
627	–	label->SetAlignment(B_ALIGN_RIGHT);
628	–	label->SetFont(be_bold_font);
629	–
630	–	// Box around display field
631	–	BRect frame_rect = frame;
632	–	frame_rect.left += 70;
633	–
634	–	BBox *box = new BBox(frame_rect);
635	–	parent->AddChild(box);
636	–	box->SetViewColor(fill_color);
637	–	box->SetLowColor(fill_color);
638	–
639	–	// The display field
640	–	BRect textview_rect = frame_rect;
641	–	textview_rect.OffsetTo(0, 0);
642	–	textview_rect.InsetBy(4, 2);
643	–
644	–	BStringView *text = new BStringView(textview_rect, "", "");
645	–	box->AddChild(text);
646	–	text->SetViewColor(fill_color);
647	–	text->SetLowColor(fill_color);
648	–	text->SetFont(be_plain_font);
649	–	return text;
650	–	}
651	–
652	–
653	–	/*
654	–	*  Main window closed, quit program
655	–	*/
656	–
657	–	bool MainWindow::QuitRequested(void)
658	–	{
659	–	be_app->PostMessage(B_QUIT_REQUESTED);
660	–	return true;
661	–	}
662	–
663	–
664	–	/*
665	–	*  Message received
666	–	*/
667	–
668	–	void MainWindow::MessageReceived(BMessage *msg)
669	–	{
670	–	switch (msg->what) {
671	–	case MSG_NEW_MODULE:
672	–	// Update text views
673	–	Lock();
674	–	name_view->SetText(module_name);
675	–	author_view->SetText(author_name);
676	–	copyright_view->SetText(copyright_info);
677	–	Unlock();
678	–	// falls through
679	–
680	–	case MSG_NEW_SONG:
681	–	// Update position indicator and speed slider
682	–	if (number_of_songs > 0) {
683	–	char str[16];
684	–	sprintf(str, "Song %d/%d", current_song + 1, number_of_songs);
685	–	position_view->SetText(str);
686	–	}
687	–	speed_slider->SetValue(0);
688	–	break;
689	–
690	–	case MSG_SHOW_PREFS:
691	–	case MSG_PLAY_PAUSE:
692	–	case MSG_STOP:
693	–	case MSG_NEXT:
694	–	case MSG_PREV:
695	–	be_app->PostMessage(msg);
696	–	break;
697	–
698	–	default:
699	–	BWindow::MessageReceived(msg);
700	–	break;
701	–	}
702	–	}
703	–
704	–
705	–	/*
706	–	*  TopView handles dropped messages (load new PSID module) and keypresses
707	–	*/
708	–
709	–	TopView::TopView(BRect frame, const char *name, uint32 resizingMode, uint32 flags)
710	–	: BView(frame, name, resizingMode, flags) {}
711	–
712	–	void TopView::MessageReceived(BMessage *msg)
713	–	{
714	–	if (msg->what == B_SIMPLE_DATA)
715	–	be_app->PostMessage(msg);
716	–	else
717	–	BView::MessageReceived(msg);
718	–	}
719	–
720	–	void TopView::KeyDown(const char *bytes, int32 numBytes)
721	–	{
722	–	BMessage *msg = Window()->CurrentMessage();
723	–	uint32 modifiers = 0;
724	–	msg->FindInt32("modifiers", (int32 *)&modifiers);
725	–
726	–	switch (bytes[0]) {
727	–	case 'p':
728	–	case 'P':
729	–	Window()->PostMessage(MSG_PLAY_PAUSE);
730	–	break;
731	–
732	–	case B_ESCAPE:
733	–	case B_SPACE:
734	–	case 's':
735	–	case 'S':
736	–	Window()->PostMessage(MSG_STOP);
737	–	break;
738	–
739	–	case B_LEFT_ARROW:
740	–	Window()->PostMessage(MSG_PREV);
741	–	break;
742	–
743	–	case B_RIGHT_ARROW:
744	–	case 'n':
745	–	case 'N':
746	–	Window()->PostMessage(MSG_NEXT);
747	–	break;
748	–
749	–	case 'q':
750	–	case 'Q':
751	–	be_app->PostMessage(B_QUIT_REQUESTED);
752	–	break;
753	–	}
754	–	}
755	–
756	–
757	–	/*
758	–	*  Play/Pause button
759	–	*/
760	–
761	–	PlayPauseButton::PlayPauseButton(BRect frame, BMessage *msg) : BButton(frame, "play", "", msg) {};
762	–
763	–	void PlayPauseButton::Draw(BRect update)
764	–	{
765	–	// First draw normal button
766	–	BButton::Draw(update);
767	–
768	–	// Then draw play/pause image on top of it
769	–	if (Value())
770	–	SetHighColor(255, 255, 255);
771	–	else
772	–	SetHighColor(0, 0, 0);
773	–
774	–	FillRect(BRect(11, 8, 13, 16));
775	–	FillTriangle(BPoint(16, 8), BPoint(16, 16), BPoint(20, 12));
776	–	}
777	–
778	–
779	–	/*
780	–	*  Stop button
781	–	*/
782	–
783	–	StopButton::StopButton(BRect frame, BMessage *msg) : BButton(frame, "stop", "", msg) {};
784	–
785	–	void StopButton::Draw(BRect update)
786	–	{
787	–	// First draw normal button
788	–	BButton::Draw(update);
789	–
790	–	// Then draw stop image on top of it
791	–	if (Value())
792	–	SetHighColor(255, 255, 255);
793	–	else
794	–	SetHighColor(0, 0, 0);
795	–
796	–	FillRect(BRect(11, 8, 20, 16));
797	–	}
798	–
799	–
800	–	/*
801	–	*  "Next" button
802	–	*/
803	–
804	–	NextButton::NextButton(BRect frame, BMessage *msg) : BButton(frame, "next", "", msg) {};
805	–
806	–	void NextButton::Draw(BRect update)
807	–	{
808	–	// First draw normal button
809	–	BButton::Draw(update);
810	–
811	–	// Then draw "next" image on top of it
812	–	if (Value())
813	–	SetHighColor(255, 255, 255);
814	–	else
815	–	SetHighColor(0, 0, 0);
816	–
817	–	FillTriangle(BPoint(12, 8), BPoint(12, 16), BPoint(16, 12));
818	–	FillRect(BRect(17, 8, 19, 16));
819	–	}
820	–
821	–
822	–	/*
823	–	*  "Prev" button
824	–	*/
825	–
826	–	PrevButton::PrevButton(BRect frame, BMessage *msg) : BButton(frame, "prev", "", msg) {};
827	–
828	–	void PrevButton::Draw(BRect update)
829	–	{
830	–	// First draw normal button
831	–	BButton::Draw(update);
832	–
833	–	// Then draw "prev" image on top of it
834	–	if (Value())
835	–	SetHighColor(255, 255, 255);
836	–	else
837	–	SetHighColor(0, 0, 0);
838	–
839	–	FillRect(BRect(12, 8, 14, 16));
840	–	FillTriangle(BPoint(19, 8), BPoint(19, 16), BPoint(15, 12));
841	–	}
842	–
843	–
844	–	/*
845	–	*  Main program
846	–	*/
847	–
848	–	int main(int argc, char **argv)
849	–	{
850	–	InitAll();
851	–	SIDPlayer *the_app = new SIDPlayer();
852	–	the_app->Run();
853	–	delete the_app;
854	–	ExitAll();
855	–	return 0;
856	–	}

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