git.sesse.net Git - vlc/blob - modules/gui/macosx/about.m

   1 /*****************************************************************************
   2  * about.m: MacOS X About Panel
   3  *****************************************************************************
   4  * Copyright (C) 2001-2003 VideoLAN
   5  * $Id$
   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 - (void)showPanel
  54 {
  55     if (!o_credits_path)
  56     {
  57         NSString *o_name;
  58         NSString *o_version;
  59         NSString *o_thanks_path;
  60
  61                 /* Load the needed nib-file */
  62                 [NSBundle loadNibNamed:@"About" owner:self];
  63
  64         /* Get the info dictionary (Info.plist) */
  65         o_info_dict = [[NSBundle mainBundle] infoDictionary];
  66
  67         /* Get the localized info dictionary (InfoPlist.strings) */
  68         localInfoBundle = CFBundleGetMainBundle();
  69         o_local_dict = (NSDictionary *)
  70                         CFBundleGetLocalInfoDictionary( localInfoBundle );
  71
  72         /* Setup the name field */
  73         o_name = [o_local_dict objectForKey:@"CFBundleName"];
  74
  75         /* Set the about box title */
  76         [o_about_window setTitle:_NS("About VLC media player")];
  77
  78         /* Setup the version field */
  79         o_version = [o_info_dict objectForKey:@"CFBundleVersion"];
  80
  81         /* Setup the nameversion field */
  82         o_name_version = [NSString stringWithFormat:@"%@ - Version %@", o_name, o_version];
  83         [o_name_version_field setStringValue: o_name_version];
  84
  85         /* Setup our credits */
  86         o_credits_path = [[NSBundle mainBundle] pathForResource:@"AUTHORS" ofType:nil];
  87         o_credits = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile: o_credits_path ] encoding:NSWindowsCP1252StringEncoding];
  88
  89         /* Parse the authors string */
  90         NSMutableString *o_outString = [NSMutableString stringWithFormat: @"%@\n\n", _NS(INTF_ABOUT_MSG)];
  91         NSScanner *o_scan_credits = [NSScanner scannerWithString: o_credits];
  92         NSCharacterSet *o_stopSet = [NSCharacterSet characterSetWithCharactersInString:@"\n\r"];
  93
  94         while( ![o_scan_credits isAtEnd] )
  95         {
  96             NSString *o_person;
  97             NSScanner *o_scan_person;
  98
  99             [o_scan_credits scanUpToString:@"N:" intoString: nil];
 100             [o_scan_credits scanString:@"N:" intoString: nil];
 101             [o_scan_credits scanUpToString:@"N:" intoString: &o_person];
 102             o_scan_person = [NSScanner scannerWithString: o_person];
 103
 104             NSString *o_name;
 105             NSString *o_email;
 106             NSMutableString *o_jobs = [NSMutableString string];
 107             NSString *o_next;
 108
 109             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_name];
 110             [o_scan_person scanString:@"E:" intoString: nil];
 111             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_email];
 112             [o_scan_person scanUpToString:@"D:" intoString: &o_next];
 113             [o_scan_person scanUpToString:@":" intoString: &o_next];
 114             [o_scan_person scanString:@":" intoString: nil];
 115
 116             while ( [o_next characterAtIndex:[o_next length] - 1] == 'D' )
 117             {
 118                 NSString *o_job;
 119                 [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_job ];
 120                 [o_jobs appendFormat: @"%@, ", o_job];
 121                 [o_scan_person scanUpToString:@":" intoString: &o_next];
 122                 [o_scan_person scanString:@":" intoString: nil];
 123             }
 124
 125             [o_outString appendFormat: @"%@ <%@>\n%@\n\n", o_name, o_email, o_jobs];
 126         }
 127
 128         /* Parse the thanks string */
 129         o_thanks_path = [[NSBundle mainBundle] pathForResource:@"THANKS" ofType:nil];
 130         o_thanks = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile:
 131                         o_thanks_path ] encoding:NSWindowsCP1252StringEncoding];
 132
 133         NSScanner *o_scan_thanks = [NSScanner scannerWithString: o_thanks];
 134         [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: nil];
 135
 136         while( ![o_scan_thanks isAtEnd] )
 137         {
 138             NSString *o_person;
 139             NSString *o_job;
 140
 141             [o_scan_thanks scanUpToString:@" - " intoString: &o_person];
 142             [o_scan_thanks scanString:@" - " intoString: nil];
 143             [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: &o_job];
 144             [o_outString appendFormat: @"%@\n%@\n\n", o_person, o_job];
 145         }
 146         [o_credits_textview setString:o_outString];
 147
 148         /* Setup the copyright field */
 149         o_copyright = [o_local_dict objectForKey:@"NSHumanReadableCopyright"];
 150         [o_copyright_field setStringValue:o_copyright];
 151
 152         /* Setup the window */
 153         [o_credits_textview setDrawsBackground: NO];
 154         [o_credits_scrollview setDrawsBackground: NO];
 155         [o_about_window setExcludedFromWindowsMenu:YES];
 156         [o_about_window setMenu:nil];
 157         [o_about_window center];
 158     }
 159
 160     /* Show the window */
 161     b_restart = YES;
 162     [o_about_window makeKeyAndOrderFront:nil];
 163 }
 164
 165 - (void)windowDidBecomeKey:(NSNotification *)notification
 166 {
 167     o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval:1/6
 168                            target:self
 169                            selector:@selector(scrollCredits:)
 170                            userInfo:nil
 171                            repeats:YES];
 172 }
 173
 174 - (void)windowDidResignKey:(NSNotification *)notification
 175 {
 176     [o_scroll_timer invalidate];
 177 }
 178
 179 - (void)scrollCredits:(NSTimer *)timer
 180 {
 181     if (b_restart)
 182     {
 183         /* Reset the starttime */
 184         i_start = [NSDate timeIntervalSinceReferenceDate] + 3.0;
 185         f_current = 0;
 186         f_end = [o_credits_textview bounds].size.height - [o_credits_scrollview bounds].size.height;
 187         b_restart = NO;
 188     }
 189
 190     if ([NSDate timeIntervalSinceReferenceDate] >= i_start)
 191     {
 192         /* Scroll to the position */
 193         [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
 194
 195         /* Increment the scroll position */
 196         f_current += 0.005;
 197
 198         /* If at end, restart at the top */
 199         if ( f_current >= f_end )
 200         {
 201             b_restart = YES;
 202         }
 203     }
 204 }
 205
 206 @end