PDP-8-E-Simulator/Utilities/Utilities.c

97 lines
2.9 KiB
C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* Utilities.c - Some general utilities and macros, esp. for Tiger compatibility
*
* This file is part of PDP-8/E Simulator.
*
* PDP-8/E Simulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Cocoa/Cocoa.h>
#import <mach/mach_time.h>
#include "Utilities.h"
@interface NSProcessInfo (OSVersion) // available in NSProcessInfo.h since 10.10
typedef struct {
long majorVersion;
long minorVersion;
long patchVersion;
} NSOperatingSystemVersion;
- (NSOperatingSystemVersion) operatingSystemVersion;
@end
BOOL runningOnOSXVersion (long major, long minor, BOOL orBetter)
{
if (NSAppKitVersionNumber < NSAppKitVersionNumber10_10)
return NO; // up to 10.10, we use the NSAppKitVersionNumber compare macros
NSOperatingSystemVersion vers = [[NSProcessInfo processInfo] operatingSystemVersion];
return (vers.majorVersion == major && vers.minorVersion == minor) ||
(orBetter && (vers.majorVersion > major || (vers.majorVersion == major && vers.minorVersion > minor)));
}
void adjustToolbarControlForTiger (NSView *view)
{
if (runningOnTiger() &&
[[[[(view) superview] superview] class]
isSubclassOfClass:NSClassFromString(@"NSToolbarItemViewer")]) {
NSPoint p = [(view) frame].origin;
p.x += (float) 2.0;
[(view) setFrameOrigin:p];
}
}
void adjustTableHeaderForElCapitan (NSTableView *view)
// With El Capitan, the header of a table view is six pixel higher than with any OS X before.
// This El Capitan header adjustment causes scrolling anomalies in CPU memory view and in the
// memory inspector drawer, see [CPUMemoryViewControler updateVisibleMemoryRange] and
// [MemoryInspectorController visibleRange].
{
if (runningOnElCapitanOrNewer()) {
NSRect rect = [[view headerView] frame];
rect.size.height -= 6;
[[view headerView] setFrame:rect];
}
}
static mach_timebase_info_data_t timebaseInfo;
uint64_t nanoseconds2absolute (uint64_t nanoseconds) // see Technical Q&A QA1398
{
if (timebaseInfo.denom == 0)
mach_timebase_info (&timebaseInfo);
return nanoseconds * timebaseInfo.denom / timebaseInfo.numer;
}
uint64_t absolute2nanoseconds (uint64_t absolute) // see Technical Q&A QA1398
{
if (timebaseInfo.denom == 0)
mach_timebase_info (&timebaseInfo);
return absolute * timebaseInfo.numer / timebaseInfo.denom;
}