diff options
author | Robin Gareus <robin@gareus.org> | 2019-08-10 23:20:39 +0200 |
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committer | Robin Gareus <robin@gareus.org> | 2019-08-11 02:33:16 +0200 |
commit | 78d7ef15dfb513afba20c7059e82b78e964500e1 (patch) | |
tree | 1510a08b61848311b6ef53e66a74d2dfcc5d68e8 /gtk2_ardour/screensaver.cc | |
parent | defbe7d371f15b6b09cfd92bc8eaef36c79a41fb (diff) |
Prototype infrastructure to disable screensaver
Diffstat (limited to 'gtk2_ardour/screensaver.cc')
-rw-r--r-- | gtk2_ardour/screensaver.cc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gtk2_ardour/screensaver.cc b/gtk2_ardour/screensaver.cc new file mode 100644 index 0000000000..a549a5710a --- /dev/null +++ b/gtk2_ardour/screensaver.cc @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2019 Robin Gareus <robin@gareus.org> + * + * This program 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 2 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, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "utils.h" + +#ifdef PLATFORM_WINDOWS +/* http://www.blackwasp.co.uk/DisableScreensaver.aspx */ +#include <windows.h> + +void +ARDOUR_UI_UTILS::enable_screensaver () +{ + SetThreadExecutionState (ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED | ES_CONTINUOUS); +} + +void +ARDOUR_UI_UTILS::disable_screensaver () +{ + SetThreadExecutionState (ES_CONTINUOUS); +} + +#elif defined __APPLE__ + +#include <IOKit/pwr_mgt/IOPMLib.h> + +static IOReturn success = kIOReturnError; +static IOPMAssertionID assertion_id; + +void +ARDOUR_UI_UTILS::enable_screensaver () +{ + static const CFStringRef name = CFSTR("Ardour DAW"); + /* kIOPMAssertionTypeNoDisplaySleep prevents display sleep, + * kIOPMAssertionTypeNoIdleSleep prevents idle sleep + */ + success = IOPMAssertionCreateWithName (kIOPMAssertionTypeNoDisplaySleep, kIOPMAssertionLevelOn, name, &assertion_id); +} + +void +ARDOUR_UI_UTILS::disable_screensaver () +{ + if (success != kIOReturnSuccess) { + return; + } + if (kIOReturnSuccess == IOPMAssertionRelease (assertion_id)) { + success = kIOReturnError; + } +} + +#else /* Linux / X11 */ + +#include <gtkmm.h> +#include "ardour/system_exec.h" + +static sigc::connection glib_timer; + +static bool +xdg_screensaver_reset () +{ + char** args = (char**) malloc (5 * sizeof(char*)); + args[0] = strdup ("/bin/sh"); + args[1] = strdup ("-c"); + args[2] = strdup ("xdg-screensaver"); + args[3] = strdup ("reset"); + args[4] = 0; + + ARDOUR::SystemExec xdg_exec ("/bin/sh", args); + if (xdg_exec.start ()) { + return false; + } + xdg_exec.wait (); + return true; /* keep going */ +} + +void +ARDOUR_UI_UTILS::enable_screensaver () +{ + glib_timer = Glib::signal_timeout().connect_seconds (sigc::ptr_fun (&xdg_screensaver_reset), 45, Glib::PRIORITY_DEFAULT_IDLE); +} + +void +ARDOUR_UI_UTILS::disable_screensaver () +{ + glib_timer.disconnect (); +} + +#endif |