Preferences.m

   1 /*
   2  *      CPU History
   3  *      Christopher Bowns, 2008
   4  *
   5  *      Formerly: Memory Monitor, by Bernhard Baehr
   6  *
   7  *      Copyright © 2001-2003 Bernhard Baehr
   8  *
   9  *      Preferences.m - Preferences Controller Class
  10  *
  11  *      This program is free software; you can redistribute it and/or modify
  12  *      it under the terms of the GNU General Public License as published by
  13  *      the Free Software Foundation; either version 2 of the License, or
  14  *      (at your option) any later version.
  15  *
  16  *      This program is distributed in the hope that it will be useful,
  17  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *      GNU General Public License for more details.
  20  *
  21  *      You should have received a copy of the GNU General Public License
  22  *      along with this program; if not, write to the Free Software
  23  *      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26
  27 #import "Preferences.h"
  28
  29
  30 @implementation Preferences
  31
  32
  33 + (NSMutableDictionary *)defaultPreferences
  34 {
  35         return ([[NSMutableDictionary alloc] initWithObjectsAndKeys:
  36                 [[NSColor yellowColor] colorWithAlphaComponent:0.8], WIRED_COLOR_KEY,
  37                 [[NSColor magentaColor] colorWithAlphaComponent:0.8], ACTIVE_COLOR_KEY,
  38                 [[NSColor cyanColor] colorWithAlphaComponent:0.8], INACTIVE_COLOR_KEY,
  39                 [[NSColor blueColor] colorWithAlphaComponent:0.8], FREE_COLOR_KEY,
  40
  41                 [NSColor whiteColor], PAGEIN_COLOR_KEY,
  42                 [NSColor blackColor], PAGEOUT_COLOR_KEY,
  43                 [NSNumber numberWithInt:250], PAGING_SCALE_MAX_KEY,
  44                 [NSNumber numberWithBool:YES], PAGEIN_ATOP_PAGEOUT_KEY,
  45                 [NSNumber numberWithBool:YES], SHOW_PAGING_RATE_KEY,
  46
  47                 [[NSColor yellowColor] colorWithAlphaComponent:0.8], USER_COLOR_KEY,
  48                 [[NSColor magentaColor] colorWithAlphaComponent:0.8], SYS_COLOR_KEY,
  49                 [[NSColor cyanColor] colorWithAlphaComponent:0.8], NICE_COLOR_KEY,
  50                 [[NSColor blueColor] colorWithAlphaComponent:0.8], IDLE_COLOR_KEY,
  51
  52
  53                 [NSNumber numberWithInt:10], UPDATE_FREQUENCY_KEY,      /* unit is 1/10 second */
  54                 [NSNumber numberWithBool:NO], SHOW_GRAPH_WINDOW_KEY,
  55                 [NSNumber numberWithBool:NO], GRAPH_WINDOW_ON_TOP_KEY,
  56                 [NSNumber numberWithInt:128], GRAPH_WINDOW_SIZE_KEY,
  57                 [NSNumber numberWithFloat:1.0], DOCK_ICON_SIZE_KEY,
  58                 nil]);
  59 }
  60
  61
  62 - (id)init
  63 {
  64 #define SCANCOLOR(key)  \
  65         if ((obj = [defaults objectForKey:key])) { \
  66                 a = transparency; \
  67                 sscanf ([obj cString], "%f %f %f %f", &r, &g, &b, &a); \
  68                 obj = [NSColor colorWithCalibratedRed:r green:g blue:b alpha:a]; \
  69                 [currentSettings setObject:obj forKey:key]; \
  70         }
  71 #define GETNUMBER(key)  \
  72         if ((obj = [defaults objectForKey:key])) \
  73                 [currentSettings setObject:obj forKey:key];
  74
  75         id      obj;
  76         float   r, g, b, a, transparency;
  77
  78         NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
  79
  80         self = [super init];
  81         currentSettings = [Preferences defaultPreferences];
  82         SCANCOLOR (WIRED_COLOR_KEY);
  83         SCANCOLOR (ACTIVE_COLOR_KEY);
  84         SCANCOLOR (INACTIVE_COLOR_KEY);
  85         SCANCOLOR (FREE_COLOR_KEY);
  86         SCANCOLOR (PAGEIN_COLOR_KEY);
  87         SCANCOLOR (PAGEOUT_COLOR_KEY);
  88         GETNUMBER (PAGING_SCALE_MAX_KEY);
  89         GETNUMBER (PAGEIN_ATOP_PAGEOUT_KEY);
  90         GETNUMBER (SHOW_PAGING_RATE_KEY);
  91
  92         GETNUMBER (OLD_TRANSPARENCY_KEY);
  93         transparency = obj ? [obj floatValue] : 0.8;    /* global transparency setting of version 1.1 */
  94         SCANCOLOR (USER_COLOR_KEY);
  95         SCANCOLOR (SYS_COLOR_KEY);
  96         SCANCOLOR (NICE_COLOR_KEY);
  97         SCANCOLOR (IDLE_COLOR_KEY);
  98         transparency = 1.0;                     /* paging was drawn without transparency in version 1.1 */
  99         GETNUMBER (UPDATE_FREQUENCY_KEY);
 100         GETNUMBER (SHOW_GRAPH_WINDOW_KEY);
 101         GETNUMBER (GRAPH_WINDOW_ON_TOP_KEY);
 102         GETNUMBER (GRAPH_WINDOW_SIZE_KEY);
 103         GETNUMBER (DOCK_ICON_SIZE_KEY);
 104         [[NSColorPanel sharedColorPanel] setShowsAlpha:YES];
 105         return (self);
 106 }
 107
 108
 109 - (void)showUpdateFrequency:(int)freq
 110 {
 111         [updateFrequency setStringValue:[NSString
 112                 localizedStringWithFormat:NSLocalizedString(@"every\n%.1f sec.", @""), freq / 10.0]];
 113 }
 114
 115
 116 - (void)adjustGraphWindowControls
 117 {
 118         id      obj;
 119
 120         BOOL enabled = [[currentSettings objectForKey:SHOW_GRAPH_WINDOW_KEY] boolValue];
 121         NSColor *color = enabled ? [NSColor controlTextColor] : [NSColor controlHighlightColor];
 122         NSEnumerator *enumerator = [[graphWindowOptionsView subviews] objectEnumerator];
 123
 124         while ((obj = [enumerator nextObject])) {
 125                 if ([obj isMemberOfClass:[NSTextField class]])
 126                         [obj setTextColor:color];
 127                 else
 128                         [obj setEnabled:enabled];
 129         }
 130 }
 131
 132
 133 - (IBAction)showPreferences:(id)sender
 134 {
 135         double  freq;
 136
 137         if (! panel) {
 138                 if ([NSBundle loadNibNamed:@"Preferences" owner:self])
 139                         [panel center];
 140                 else {
 141                         NSLog (@"Failed to load Preferences.nib");
 142                         return;
 143                 }
 144         }
 145
 146         [wiredColor setColor:[currentSettings objectForKey:WIRED_COLOR_KEY]];
 147         [activeColor setColor:[currentSettings objectForKey:ACTIVE_COLOR_KEY]];
 148         [inactiveColor setColor:[currentSettings objectForKey:INACTIVE_COLOR_KEY]];
 149         [freeColor setColor:[currentSettings objectForKey:FREE_COLOR_KEY]];
 150         [pageinColor setColor:[currentSettings objectForKey:PAGEIN_COLOR_KEY]];
 151         [pageoutColor setColor:[currentSettings objectForKey:PAGEOUT_COLOR_KEY]];
 152         [pagingScale selectItemAtIndex:[pagingScale
 153                 indexOfItemWithTag:[[currentSettings objectForKey:PAGING_SCALE_MAX_KEY] intValue]]];
 154         [pageinAtopPageout selectCellWithTag:[[currentSettings objectForKey:PAGEIN_ATOP_PAGEOUT_KEY] intValue]];
 155         [showPagingRate setState:[[currentSettings objectForKey:SHOW_PAGING_RATE_KEY] boolValue]];
 156
 157
 158         [userColor setColor:[currentSettings objectForKey:USER_COLOR_KEY]];
 159         [sysColor setColor:[currentSettings objectForKey:SYS_COLOR_KEY]];
 160         [niceColor setColor:[currentSettings objectForKey:NICE_COLOR_KEY]];
 161         [idleColor setColor:[currentSettings objectForKey:IDLE_COLOR_KEY]];
 162
 163         freq = [[currentSettings objectForKey:UPDATE_FREQUENCY_KEY] floatValue];
 164         [self showUpdateFrequency:(int)freq];
 165         [updateFrequencySlider setFloatValue:1000.0 * log(freq)];
 166         [showGraphWindow setState:[[currentSettings objectForKey:SHOW_GRAPH_WINDOW_KEY] boolValue]];
 167         [graphWindowOnTop setState:[[currentSettings objectForKey:GRAPH_WINDOW_ON_TOP_KEY] boolValue]];
 168         [graphWindowSize setFloatValue:[[currentSettings objectForKey:GRAPH_WINDOW_SIZE_KEY] floatValue]];
 169         [dockIconSizeSlider setFloatValue:[[currentSettings objectForKey:DOCK_ICON_SIZE_KEY] floatValue]];
 170         [self adjustGraphWindowControls];
 171         [panel makeKeyAndOrderFront:nil];
 172 }
 173
 174
 175 - (IBAction)revertToDefaults:(id)sender
 176 {
 177         [currentSettings release];
 178         currentSettings = [Preferences defaultPreferences];
 179         [self showPreferences:sender];
 180         [[NSNotificationCenter defaultCenter] postNotificationName:PREFERENCES_CHANGED object:nil];
 181 }
 182
 183
 184 - (void)savePreferences
 185 {
 186         id              obj;
 187         float           r, g, b, a;
 188         NSString        *key;
 189
 190         NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
 191         NSEnumerator *enumerator = [currentSettings keyEnumerator];
 192
 193         while ((key = [enumerator nextObject])) {
 194                 obj = [currentSettings objectForKey:key];
 195                 if ([obj isKindOfClass:[NSColor class]]) {
 196                         [[obj colorUsingColorSpaceName:@"NSCalibratedRGBColorSpace"]
 197                                 getRed:&r green:&g blue:&b alpha:&a];
 198                         [obj release];
 199                         obj = [NSString stringWithFormat:@"%f %f %f %f", r, g, b, a];
 200                 }
 201                 [defaults setObject:obj forKey:key];
 202         }
 203 }
 204
 205
 206 - (id)objectForKey:(id)key
 207 {
 208         return ([currentSettings objectForKey:key]);
 209 }
 210
 211
 212 - (IBAction)preferencesChanged:(id)sender
 213 {
 214         int     freq;
 215
 216         [currentSettings setObject:[wiredColor color] forKey:WIRED_COLOR_KEY];
 217         [currentSettings setObject:[activeColor color] forKey:ACTIVE_COLOR_KEY];
 218         [currentSettings setObject:[inactiveColor color] forKey:INACTIVE_COLOR_KEY];
 219         [currentSettings setObject:[freeColor color] forKey:FREE_COLOR_KEY];
 220         [currentSettings setObject:[pageinColor color] forKey:PAGEIN_COLOR_KEY];
 221         [currentSettings setObject:[pageoutColor color] forKey:PAGEOUT_COLOR_KEY];
 222         [currentSettings setObject:[NSNumber numberWithInt:[[pagingScale selectedItem] tag]] forKey:PAGING_SCALE_MAX_KEY];
 223         [currentSettings setObject:[NSNumber numberWithInt:[[pageinAtopPageout selectedCell] tag]] forKey:PAGEIN_ATOP_PAGEOUT_KEY];
 224         [currentSettings setObject:[NSNumber numberWithInt:[showPagingRate state]] forKey:SHOW_PAGING_RATE_KEY];
 225
 226
 227
 228
 229         [currentSettings setObject:[userColor color] forKey:USER_COLOR_KEY];
 230         [currentSettings setObject:[sysColor color] forKey:SYS_COLOR_KEY];
 231         [currentSettings setObject:[niceColor color] forKey:NICE_COLOR_KEY];
 232         [currentSettings setObject:[idleColor color] forKey:IDLE_COLOR_KEY];
 233
 234         freq = exp([updateFrequencySlider doubleValue] / 1000.0);       /* 1..600 == 0.1 sec. to 1 min. */
 235         [self showUpdateFrequency:freq];
 236         [currentSettings setObject:[NSNumber numberWithInt:freq] forKey:UPDATE_FREQUENCY_KEY];
 237         [currentSettings setObject:[NSNumber numberWithInt:[showGraphWindow state]] forKey:SHOW_GRAPH_WINDOW_KEY];
 238         [currentSettings setObject:[NSNumber numberWithInt:[graphWindowOnTop state]] forKey:GRAPH_WINDOW_ON_TOP_KEY];
 239         [currentSettings setObject:[NSNumber numberWithInt:[graphWindowSize intValue]] forKey:GRAPH_WINDOW_SIZE_KEY];
 240         [currentSettings setObject:[NSNumber numberWithFloat:[dockIconSizeSlider floatValue]] forKey:DOCK_ICON_SIZE_KEY];
 241         [self adjustGraphWindowControls];
 242         [[NSNotificationCenter defaultCenter] postNotificationName:PREFERENCES_CHANGED object:nil];
 243 }
 244
 245
 246 - (int)windowNumber
 247 {
 248         return (panel ? [panel windowNumber] : 0);
 249 }
 250
 251
 252 @end