/**
* Change given Hatari options
* Return false if parsing failed, true otherwise
*/
static bool Change_Options(int argc, const char *argv[])
{
bool bOK;
CNF_PARAMS current;
Main_PauseEmulation(false);
/* get configuration changes */
current = ConfigureParams;
ConfigureParams.Screen.bFullScreen = bInFullScreen;
bOK = Opt_ParseParameters(argc, argv);
/* Check if reset is required and ask user if he really wants to continue */
if (bOK && Change_DoNeedReset(¤t, &ConfigureParams)
&& current.Log.nAlertDlgLogLevel > LOG_FATAL) {
bOK = DlgAlert_Query("The emulated system must be "
"reset to apply these changes. "
"Apply changes now and reset "
"the emulator?");
}
/* Copy details to configuration */
if (bOK) {
if (!Change_CopyChangedParamsToConfiguration(¤t, &ConfigureParams, false)) {
ConfigureParams = current;
DlgAlert_Notice("Return to old parameters...");
Reset_Cold();
}
} else {
ConfigureParams = current;
}
Main_UnPauseEmulation();
return bOK;
}
/**
* Shorcut to debug interface
*/
static void ShortCut_Debug(void)
{
int running;
/* Call the debugger */
running = Main_PauseEmulation(true);
DebugUI();
if (running)
Main_UnPauseEmulation();
}
/**
* Shortcut to 'Boss' key, ie minmize Window and switch to another application
*/
static void ShortCut_BossKey(void)
{
/* If we are in full-screen, then return to a window */
Screen_ReturnFromFullScreen();
if (bGrabMouse)
{
SDL_SetRelativeMouseMode(SDL_FALSE);
SDL_SetWindowGrab(sdlWindow, SDL_FALSE);
bGrabMouse = false;
}
Main_PauseEmulation(true);
/* Minimize Window and give up processing to next one! */
fprintf(stderr,"FIXME: minimize window!\n");
}
/**
* Open Property sheet Options dialog.
*
* We keep all our configuration details in a structure called
* 'ConfigureParams'. When we open our dialog we make a backup
* of this structure. When the user finally clicks on 'OK',
* we can compare and makes the necessary changes.
*
* Return true if user chooses OK, or false if cancel!
*/
bool Dialog_DoProperty(void)
{
bool bOKDialog; /* Did user 'OK' dialog? */
bool bForceReset;
bool bLoadedSnapshot;
CNF_PARAMS current;
Main_PauseEmulation(true);
bForceReset = false;
/* Copy details (this is so can restore if 'Cancel' dialog) */
current = ConfigureParams;
ConfigureParams.Screen.bFullScreen = bInFullScreen;
bOKDialog = Dialog_MainDlg(&bForceReset, &bLoadedSnapshot);
/* If a memory snapshot has been loaded, no further changes are required */
if (bLoadedSnapshot)
{
Main_UnPauseEmulation();
return true;
}
/* Check if reset is required and ask user if he really wants to continue then */
if (bOKDialog && !bForceReset
&& Change_DoNeedReset(¤t, &ConfigureParams)
&& ConfigureParams.Log.nAlertDlgLogLevel > LOG_FATAL) {
bOKDialog = DlgAlert_Query("The emulated system must be "
"reset to apply these changes. "
"Apply changes now and reset "
"the emulator?");
}
/* Copy details to configuration */
if (bOKDialog) {
Change_CopyChangedParamsToConfiguration(¤t, &ConfigureParams, bForceReset);
} else {
ConfigureParams = current;
}
Main_UnPauseEmulation();
if (bQuitProgram)
Main_RequestQuit();
return bOKDialog;
}
/**
* Shortcut to 'Boss' key, ie minmize Window and switch to another application
*/
static void ShortCut_BossKey(void)
{
/* If we are in full-screen, then return to a window */
Screen_ReturnFromFullScreen();
if (bGrabMouse)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
bGrabMouse = false;
}
Main_PauseEmulation(true);
/* Minimize Window and give up processing to next one! */
#if WITH_SDL2
SDL_MinimizeWindow(sdlWindow);
#else
SDL_WM_IconifyWindow();
#endif
}
/**
* Shorcut to load a disk image
*/
static void ShortCut_InsertDisk(int drive)
{
char *selname, *zip_path = NULL;
const char *tmpname;
char FileNameB[ FILENAME_MAX ];
char ZipPathB[ FILENAME_MAX ];
if (SDLGui_SetScreen(sdlscrn))
return;
/* Save current names for drive 1 before checking autoinsert */
strcpy ( FileNameB , ConfigureParams.DiskImage.szDiskFileName[ 1 ] );
strcpy ( ZipPathB , ConfigureParams.DiskImage.szDiskZipPath[ 1 ] );
if (ConfigureParams.DiskImage.szDiskFileName[drive][0])
tmpname = ConfigureParams.DiskImage.szDiskFileName[drive];
else
tmpname = ConfigureParams.DiskImage.szDiskImageDirectory;
Main_PauseEmulation(true);
selname = SDLGui_FileSelect("Floppy image:", tmpname, &zip_path, false);
if (selname)
{
if (File_Exists(selname))
Floppy_SetDiskFileName(drive, selname, zip_path);
else
Floppy_SetDiskFileNameNone(drive);
if (zip_path)
free(zip_path);
free(selname);
Floppy_InsertDiskIntoDrive(0);
/* Check if inserting into drive 0 also changed drive 1 with autoinsert */
if ( ( strcmp ( FileNameB , ConfigureParams.DiskImage.szDiskFileName[ 1 ] ) != 0 )
|| ( strcmp ( FileNameB , ConfigureParams.DiskImage.szDiskZipPath[ 1 ] ) != 0 ) )
Floppy_InsertDiskIntoDrive(1);
}
Main_UnPauseEmulation();
}
/**
* Return from Full screen mode back to a window
*/
void Screen_ReturnFromFullScreen(void)
{
bool bWasRunning;
if (bInFullScreen)
{
/* Hold things... */
bWasRunning = Main_PauseEmulation(false);
bInFullScreen = false;
if (Screen_UseHostScreen())
{
// HostScreen_toggleFullScreen();
}
else
{
SDL_SetWindowFullscreen(sdlWindow, 0);
//Screen_SetResolution();
}
SDL_Delay(20); /* To give monitor time to switch resolution */
if (bWasRunning)
{
/* And off we go... */
Main_UnPauseEmulation();
}
else
{
Screen_Refresh();
}
if (!bGrabMouse)
{
/* Un-grab mouse pointer in windowed mode */
SDL_SetRelativeMouseMode(SDL_FALSE);
SDL_SetWindowGrab(sdlWindow, SDL_FALSE);
}
}
}
/**
* Enter Full screen mode
*/
void Screen_EnterFullScreen(void)
{
bool bWasRunning;
if (!bInFullScreen)
{
/* Hold things... */
bWasRunning = Main_PauseEmulation(false);
bInFullScreen = true;
if (Screen_UseHostScreen())
{
// HostScreen_toggleFullScreen();
}
else
{
SDL_SetWindowFullscreen(sdlWindow, SDL_WINDOW_FULLSCREEN_DESKTOP);
//Screen_SetResolution();
//Screen_ClearScreen(); /* Black out screen bitmap as will be invalid when return */
}
SDL_Delay(20); /* To give monitor time to change to new resolution */
if (bWasRunning)
{
/* And off we go... */
Main_UnPauseEmulation();
}
else
{
Screen_Refresh();
}
SDL_SetRelativeMouseMode(SDL_TRUE);
SDL_SetWindowGrab(sdlWindow, SDL_TRUE);
}
}
/**
* Shorcut to pausing
*/
static void ShortCut_Pause(void)
{
if (!Main_UnPauseEmulation())
Main_PauseEmulation(true);
}
/**
* This function waits on each emulated VBL to synchronize the real time
* with the emulated ST.
* Unfortunately SDL_Delay and other sleep functions like usleep or nanosleep
* are very inaccurate on some systems like Linux 2.4 or Mac OS X (they can only
* wait for a multiple of 10ms due to the scheduler on these systems), so we have
* to "busy wait" there to get an accurate timing.
* All times are expressed as micro seconds, to avoid too much rounding error.
*/
void Main_WaitOnVbl(void)
{
Sint64 CurrentTicks;
static Sint64 DestTicks = 0;
Sint64 FrameDuration_micro;
Sint64 nDelay;
nVBLCount++;
if (nRunVBLs && nVBLCount >= nRunVBLs)
{
/* show VBLs/s */
Main_PauseEmulation(true);
exit(0);
}
// FrameDuration_micro = (Sint64) ( 1000000.0 / nScreenRefreshRate + 0.5 ); /* round to closest integer */
FrameDuration_micro = ClocksTimings_GetVBLDuration_micro ( ConfigureParams.System.nMachineType , 68 );
// FrameDuration_micro = 1000000/50;
CurrentTicks = Time_GetTicks();
if ( DestTicks == 0 ) /* first call, init DestTicks */
{
DestTicks = CurrentTicks + FrameDuration_micro;
}
nDelay = DestTicks - CurrentTicks;
/* Do not wait if we are in fast forward mode or if we are totally out of sync */
if (ConfigureParams.System.bFastForward == true
|| nDelay < -4*FrameDuration_micro || nDelay > 50*FrameDuration_micro)
{
if (ConfigureParams.System.bFastForward == true)
{
if (!nFirstMilliTick)
nFirstMilliTick = Main_GetTicks();
}
if (nFrameSkips < ConfigureParams.Screen.nFrameSkips)
{
nFrameSkips += 1;
Log_Printf(LOG_DEBUG, "Increased frameskip to %d\n", nFrameSkips);
}
/* Only update DestTicks for next VBL */
DestTicks = CurrentTicks + FrameDuration_micro;
return;
}
/* If automatic frameskip is enabled and delay's more than twice
* the effect of single frameskip, decrease frameskip
*/
if (nFrameSkips > 0
&& ConfigureParams.Screen.nFrameSkips >= AUTO_FRAMESKIP_LIMIT
&& 2*nDelay > FrameDuration_micro/nFrameSkips)
{
nFrameSkips -= 1;
Log_Printf(LOG_DEBUG, "Decreased frameskip to %d\n", nFrameSkips);
}
if (bAccurateDelays)
{
/* Accurate sleeping is possible -> use SDL_Delay to free the CPU */
if (nDelay > 1000)
Time_Delay(nDelay - 1000);
}
else
{
/* No accurate SDL_Delay -> only wait if more than 5ms to go... */
if (nDelay > 5000)
Time_Delay(nDelay<10000 ? nDelay-1000 : 9000);
}
/* Now busy-wait for the right tick: */
while (nDelay > 0)
{
CurrentTicks = Time_GetTicks();
nDelay = DestTicks - CurrentTicks;
/* If the delay is still bigger than one frame, somebody
* played tricks with the system clock and we have to abort */
if (nDelay > FrameDuration_micro)
break;
}
//printf ( "tick %lld\n" , CurrentTicks );
/* Update DestTicks for next VBL */
DestTicks += FrameDuration_micro;
}