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author | Max Horn | 2009-01-30 03:35:47 +0000 |
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committer | Max Horn | 2009-01-30 03:35:47 +0000 |
commit | c69ebfd798777fa5db487fe321af274d26baaf3b (patch) | |
tree | 799a2a0234e594abc7bc96c5ba1a646571bb06b6 /backends/base-backend.cpp | |
parent | 1d097d9791b99b78790d68133a4ecf07057a28e6 (diff) | |
download | scummvm-rg350-c69ebfd798777fa5db487fe321af274d26baaf3b.tar.gz scummvm-rg350-c69ebfd798777fa5db487fe321af274d26baaf3b.tar.bz2 scummvm-rg350-c69ebfd798777fa5db487fe321af274d26baaf3b.zip |
Moved default implementations for various OSystem methods into a new class BaseBackend
svn-id: r36135
Diffstat (limited to 'backends/base-backend.cpp')
-rw-r--r-- | backends/base-backend.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/backends/base-backend.cpp b/backends/base-backend.cpp new file mode 100644 index 0000000000..4c4b78b6cb --- /dev/null +++ b/backends/base-backend.cpp @@ -0,0 +1,80 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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. + * + * $URL$ + * $Id$ + * + */ + +#include "backends/base-backend.h" +#include "backends/events/default/default-events.h" +#include "gui/message.h" + +void BaseBackend::displayMessageOnOSD(const char *msg) { + // Display the message for 1.5 seconds + GUI::TimedMessageDialog dialog(msg, 1500); + dialog.runModal(); +} + + +static Common::EventManager *s_eventManager = 0; + +Common::EventManager *BaseBackend::getEventManager() { + // FIXME/TODO: Eventually this method should be turned into an abstract one, + // to force backends to implement this conciously (even if they + // end up returning the default event manager anyway). + if (!s_eventManager) + s_eventManager = new DefaultEventManager(this); + return s_eventManager; +} + +void BaseBackend::clearScreen() { + Graphics::Surface *screen = lockScreen(); + if (screen && screen->pixels) + memset(screen->pixels, 0, screen->h * screen->pitch); + unlockScreen(); +} + + +/* + FIXME: Maybe we should push the default config file loading/saving code below + out to all the backends? +*/ + + +#if defined(UNIX) +#define DEFAULT_CONFIG_FILE ".scummvmrc" +#else +#define DEFAULT_CONFIG_FILE "scummvm.ini" +#endif + +Common::SeekableReadStream *BaseBackend::createConfigReadStream() { + Common::FSNode file(DEFAULT_CONFIG_FILE); + return file.createReadStream(); +} + +Common::WriteStream *BaseBackend::createConfigWriteStream() { +#ifdef __DC__ + return 0; +#else + Common::FSNode file(DEFAULT_CONFIG_FILE); + return file.createWriteStream(); +#endif +} |