Initial commit

backends/graphics/openpandora/op-graphics.cpp

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+/* 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 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/>.
+ *
+ */
+
+#include "common/scummsys.h"
+
+#if defined(OPENPANDORA)
+
+#include "backends/graphics/openpandora/op-graphics.h"
+#include "backends/events/openpandora/op-events.h"
+#include "graphics/scaler/aspect.h"
+#include "common/mutex.h"
+#include "common/textconsole.h"
+
+static SDL_Cursor *hiddenCursor;
+
+OPGraphicsManager::OPGraphicsManager(SdlEventSource *sdlEventSource, SdlWindow *window)
+	: SurfaceSdlGraphicsManager(sdlEventSource, window) {
+}
+
+bool OPGraphicsManager::loadGFXMode() {
+
+	uint8_t hiddenCursorData = 0;
+	hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);
+
+	/* On the OpenPandora we need to work around an SDL assumption that
+	   returns relative mouse coordinates when you get to the screen
+	   edges using the touchscreen. The workaround is to set a blank
+	   SDL cursor and not disable it (Hackish I know).
+
+	   The root issues likes in the Windows Manager GRAB code in SDL.
+	   That is why the issue is not seen on framebuffer devices like the
+	   GP2X (there is no X window manager ;)).
+	*/
+	SDL_ShowCursor(SDL_ENABLE);
+	SDL_SetCursor(hiddenCursor);
+
+	return SurfaceSdlGraphicsManager::loadGFXMode();
+}
+
+void OPGraphicsManager::unloadGFXMode() {
+
+	uint8_t hiddenCursorData = 0;
+	hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);
+
+	// Free the hidden SDL cursor created in loadGFXMode
+	SDL_FreeCursor(hiddenCursor);
+
+	SurfaceSdlGraphicsManager::unloadGFXMode();
+}
+
+void OPGraphicsManager::showSystemMouseCursor(bool visible) {
+}
+
+#endif

backends/graphics/openpandora/op-graphics.h

@@ -0,0 +1,37 @@
+/* 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 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/>.
+ *
+ */
+
+#ifndef BACKENDS_GRAPHICS_OP_H
+#define BACKENDS_GRAPHICS_OP_H
+
+#include "backends/graphics/surfacesdl/surfacesdl-graphics.h"
+
+class OPGraphicsManager : public SurfaceSdlGraphicsManager {
+public:
+	OPGraphicsManager(SdlEventSource *sdlEventSource, SdlWindow *window);
+
+	bool loadGFXMode() override;
+	void unloadGFXMode() override;
+
+	void showSystemMouseCursor(bool visible) override;
+};
+
+#endif /* BACKENDS_GRAPHICS_OP_H */