Preferences.m

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