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/* $Id$ */
/** @file macos.h Functions related to MacOS support. */
#ifndef MACOS_H
#define MACOS_H
/* It would seem that to ensure backward compability we have to ensure that we have defined MAC_OS_X_VERSION_10_x everywhere */
#ifndef MAC_OS_X_VERSION_10_3
#define MAC_OS_X_VERSION_10_3 1030
#endif
#ifndef MAC_OS_X_VERSION_10_4
#define MAC_OS_X_VERSION_10_4 1040
#endif
#ifndef MAC_OS_X_VERSION_10_5
#define MAC_OS_X_VERSION_10_5 1050
#endif
/*
* Functions to show the popup window
* use ShowMacDialog when you want to control title, message and text on the button
* ShowMacAssertDialog is used by assert
* ShowMacErrorDialog should be used when an unrecoverable error shows up. It only contains the title, which will should tell what went wrong
* the function then adds text that tells the user to update and then report the bug if it's present in the newest version
* It also quits in a nice way since we call it when we know something happened that will crash OpenTTD (like a needed pointer turns out to be NULL or similar)
*/
void ShowMacDialog ( const char *title, const char *message, const char *buttonLabel );
void ShowMacAssertDialog ( const char *function, const char *file, const int line, const char *expression );
void ShowMacErrorDialog(const char *error);
// Since MacOS X users will never see an assert unless they started the game from a terminal
// we're using a custom assert(e) macro.
#undef assert
#ifdef NDEBUG
#define assert(e) ((void)0)
#else
#define assert(e) \
(__builtin_expect(!(e), 0) ? ShowMacAssertDialog ( __func__, __FILE__, __LINE__, #e ): (void)0 )
#endif
/**
* Get the major version of Mac OS we are running under. Useful for things like the cocoa driver.
* @return major version of the os. This would be 10 in the case of 10.4.11.
*/
long GetMacOSVersionMajor();
/**
* Get the minor version of Mac OS we are running under. Useful for things like the cocoa driver.
* @return minor version of the os. This would be 4 in the case of 10.4.11.
*/
long GetMacOSVersionMinor();
/**
* Get the bugfix version of Mac OS we are running under. Useful for things like the cocoa driver.
* @return bugfix version of the os. This would be 11 in the case of 10.4.11.
*/
long GetMacOSVersionBugfix();
/**
* Check if we are at least running on the specified version of Mac OS.
* @param major major version of the os. This would be 10 in the case of 10.4.11.
* @param minor minor version of the os. This would be 4 in the case of 10.4.11.
* @param bugfix bugfix version of the os. This would be 11 in the case of 10.4.11.
* @return true if the running os is at least what we asked, false otherwise.
*/
static inline bool MacOSVersionIsAtLeast(long major, long minor, long bugfix)
{
long maj = GetMacOSVersionMajor();
long min = GetMacOSVersionMinor();
long bf = GetMacOSVersionBugfix();
if (maj < major) return false;
if (maj == major && min < minor) return false;
if (maj == major && min == minor && bf < bugfix) return false;
return true;
}
#endif /* MACOS_H */
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