* extras/MacOSX/vlc.pbproj/project.pbxproj:
[vlc.git] / modules / gui / macosx / about.m
1 /*****************************************************************************
2  * about.m: MacOS X About Panel
3  *****************************************************************************
4  * Copyright (C) 2001-2003 VideoLAN
5  * $Id: about.m,v 1.2 2003/05/11 23:17:30 hartman Exp $
6  *
7  * Authors: Derk-Jan Hartman <thedj@users.sourceforge.net>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  * 
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
22  *****************************************************************************/
23
24 /*****************************************************************************
25  * Preamble
26  *****************************************************************************/
27 #include "intf.h"
28 #include "about.h"
29
30 /*****************************************************************************
31  * VLAboutBox implementation 
32  *****************************************************************************/
33 @implementation VLAboutBox
34
35 static VLAboutBox *_o_sharedInstance = nil;
36
37 + (VLAboutBox *)sharedInstance
38 {
39     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
40 }
41
42 - (id)init 
43 {
44     if (_o_sharedInstance) {
45         [self dealloc];
46     } else {
47         _o_sharedInstance = [super init];
48     }
49     
50     return _o_sharedInstance;
51 }
52
53 - (IBAction)showPanel:(id)sender
54 {    
55     if (!o_credits_path)
56     {
57         NSString *o_name;
58         NSString *o_version;
59         NSString *o_thanks_path;
60     
61         /* Get the info dictionary (Info.plist) */
62         o_info_dict = [[NSBundle mainBundle] infoDictionary];
63         
64         /* Get the localized info dictionary (InfoPlist.strings) */
65         localInfoBundle = CFBundleGetMainBundle();
66         o_local_dict = (NSDictionary *)
67                         CFBundleGetLocalInfoDictionary( localInfoBundle );
68         
69         /* Setup the name field */
70         o_name = [o_local_dict objectForKey:@"CFBundleName"];
71         
72         /* Set the about box title */
73         [o_about_window setTitle:_NS("About VLC media player")];
74         
75         /* Setup the version field */
76         o_version = [o_info_dict objectForKey:@"CFBundleVersion"];
77     
78         /* Setup the nameversion field */
79         o_name_version = [NSString stringWithFormat:@"%@ - Version %@", o_name, o_version];
80         [o_name_version_field setStringValue: o_name_version];
81         
82         /* Setup our credits */
83         o_credits_path = [[NSBundle mainBundle] pathForResource:@"AUTHORS" ofType:nil];
84         o_credits = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile: o_credits_path ] encoding:NSWindowsCP1252StringEncoding];
85         
86         /* Parse the authors string */
87         NSMutableString *o_outString = [NSMutableString string];
88         NSScanner *o_scan_credits = [NSScanner scannerWithString: o_credits];
89         NSCharacterSet *o_stopSet = [NSCharacterSet characterSetWithCharactersInString:@"\n\r"];
90         
91         while( ![o_scan_credits isAtEnd] )
92         {
93             NSString *o_person;
94             NSScanner *o_scan_person;
95             
96             [o_scan_credits scanUpToString:@"N:" intoString: nil];
97             [o_scan_credits scanString:@"N:" intoString: nil];
98             [o_scan_credits scanUpToString:@"N:" intoString: &o_person];
99             o_scan_person = [NSScanner scannerWithString: o_person];
100             
101             NSString *o_name;
102             NSString *o_email;
103             NSMutableString *o_jobs = [NSMutableString string];
104             NSString *o_next;
105
106             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_name];
107             [o_scan_person scanString:@"E:" intoString: nil];
108             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_email];
109             [o_scan_person scanUpToString:@"D:" intoString: &o_next];
110             [o_scan_person scanUpToString:@":" intoString: &o_next];
111             [o_scan_person scanString:@":" intoString: nil];
112     
113             while ( [o_next characterAtIndex:[o_next length] - 1] == 'D' )
114             {
115                 NSString *o_job;
116                 [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_job ];
117                 [o_jobs appendFormat: @"%@, ", o_job];
118                 [o_scan_person scanUpToString:@":" intoString: &o_next];
119                 [o_scan_person scanString:@":" intoString: nil];
120             }
121             
122             [o_outString appendFormat: @"%@ <%@>\n%@\n\n", o_name, o_email, o_jobs];
123         }
124         
125         /* Parse the thanks string */
126         o_thanks_path = [[NSBundle mainBundle] pathForResource:@"THANKS" ofType:nil];
127         o_thanks = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile: 
128                         o_thanks_path ] encoding:NSWindowsCP1252StringEncoding];
129         
130         NSScanner *o_scan_thanks = [NSScanner scannerWithString: o_thanks];
131         [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: nil];
132         
133         while( ![o_scan_thanks isAtEnd] )
134         {
135             NSString *o_person;
136             NSString *o_job;
137             
138             [o_scan_thanks scanUpToString:@" - " intoString: &o_person];
139             [o_scan_thanks scanString:@" - " intoString: nil];
140             [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: &o_job];
141             [o_outString appendFormat: @"%@\n%@\n\n", o_person, o_job];
142         }
143         [o_credits_textview setString:o_outString];
144         
145         /* Setup the copyright field */
146         o_copyright = [o_local_dict objectForKey:@"NSHumanReadableCopyright"];
147         [o_copyright_field setStringValue:o_copyright];
148
149         /* Setup the window */
150         [o_credits_textview setDrawsBackground: NO];
151         [o_credits_scrollview setDrawsBackground: NO];
152         [o_about_window setExcludedFromWindowsMenu:YES];
153         [o_about_window setMenu:nil];
154         [o_about_window center];
155     }
156     
157     /* Show the window */
158     b_restart = YES;
159     [o_about_window makeKeyAndOrderFront:nil];
160 }
161
162 - (void)windowDidBecomeKey:(NSNotification *)notification
163 {
164     o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval:1/6
165                            target:self 
166                            selector:@selector(scrollCredits:) 
167                            userInfo:nil 
168                            repeats:YES];
169 }
170
171 - (void)windowDidResignKey:(NSNotification *)notification
172 {
173     [o_scroll_timer invalidate];
174 }
175
176 - (void)scrollCredits:(NSTimer *)timer
177 {
178     if (b_restart)
179     {
180         /* Reset the starttime */
181         i_start = [NSDate timeIntervalSinceReferenceDate] + 3.0;
182         f_current = 0;
183         f_end = [o_credits_textview bounds].size.height - [o_credits_scrollview bounds].size.height;
184         b_restart = NO;
185     }
186
187     if ([NSDate timeIntervalSinceReferenceDate] >= i_start)
188     {
189         /* Scroll to the position */
190         [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
191         
192         /* Increment the scroll position */
193         f_current += 0.005;
194         
195         /* If at end, restart at the top */
196         if ( f_current >= f_end )
197         {
198             b_restart = YES;
199         }
200     }
201 }
202
203 @end