OPENPANDORA: Refactor OpenPandora backend and move events and graphics into modular backend style.

2 files changed, 232 insertions, 0 deletions

diff --git a/backends/events/openpandora/op-events.cpp b/backends/events/openpandora/op-events.cpp
new file mode 100644
index 0000000000..381cbf89e9
--- /dev/null
+++ b/backends/events/openpandora/op-events.cpp
@@ -0,0 +1,186 @@
+/* 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.
+ *
+ */
+
+#include "common/scummsys.h"
+
+/*
+ * OpenPandora: Device Specific Event Handling.
+ *
+ */
+
+#if defined(OPENPANDORA)
+
+#include "backends/events/openpandora/op-events.h"
+#include "backends/graphics/openpandora/op-graphics.h"
+#include "backends/platform/openpandora/op-sdl.h"
+#include "backends/platform/openpandora/op-options.h"
+
+/* Quick default button states for modifiers. */
+int BUTTON_STATE_L					=	false;
+
+enum {
+	/* Touchscreen TapMode */
+	TAPMODE_LEFT		= 0,
+	TAPMODE_RIGHT		= 1,
+	TAPMODE_HOVER		= 2
+};
+
+OPEventSource::OPEventSource()
+	: _buttonStateL(false){
+}
+
+/* On the OpenPandora by default the ABXY and L/R Trigger buttons are returned by SDL as
+   (A): SDLK_HOME (B): SDLK_END (X): SDLK_PAGEDOWN (Y): SDLK_PAGEUP (L): SDLK_RSHIFT (R): SDLK_RCTRL
+*/
+
+bool OPEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
+
+	if (ev.type == SDL_KEYDOWN) {
+		switch (ev.key.keysym.sym) {
+		case SDLK_HOME:
+			event.type = Common::EVENT_LBUTTONDOWN;
+			fillMouseEvent(event, _km.x, _km.y);
+			return true;
+			break;
+		case SDLK_END:
+			event.type = Common::EVENT_RBUTTONDOWN;
+			fillMouseEvent(event, _km.x, _km.y);
+			return true;
+			break;
+		case SDLK_PAGEDOWN:
+			event.type = Common::EVENT_MAINMENU;
+			return true;
+			break;
+		case SDLK_PAGEUP:
+			OP::ToggleTapMode();
+			if (OP::tapmodeLevel == TAPMODE_LEFT) {
+				g_system->displayMessageOnOSD("Touchscreen 'Tap Mode' - Left Click");
+			} else if (OP::tapmodeLevel == TAPMODE_RIGHT) {
+				g_system->displayMessageOnOSD("Touchscreen 'Tap Mode' - Right Click");
+			} else if (OP::tapmodeLevel == TAPMODE_HOVER) {
+				g_system->displayMessageOnOSD("Touchscreen 'Tap Mode' - Hover (No Click)");
+			}
+			break;
+		case SDLK_RSHIFT:
+			BUTTON_STATE_L = true;
+			break;
+		case SDLK_RCTRL:
+			break;
+		default:
+			return false;
+			break;
+		}
+		return false;
+	} else {
+		switch (ev.key.keysym.sym) {
+		case SDLK_HOME:
+			event.type = Common::EVENT_LBUTTONUP;
+			fillMouseEvent(event, _km.x, _km.y);
+			return true;
+			break;
+		case SDLK_END:
+			event.type = Common::EVENT_RBUTTONUP;
+			fillMouseEvent(event, _km.x, _km.y);
+			return true;
+			break;
+		case SDLK_PAGEDOWN:
+			event.type = Common::EVENT_MAINMENU;
+			return true;
+			break;
+		case SDLK_PAGEUP:
+			break;
+		case SDLK_RSHIFT:
+			BUTTON_STATE_L = false;
+			break;
+		case SDLK_RCTRL:
+			break;
+		default:
+			return false;
+			break;
+		}
+		return false;
+	}
+	return false;
+}
+
+/* Custom handleMouseButtonDown/handleMouseButtonUp to deal with 'Tap Mode' for the touchscreen */
+
+bool OPEventSource::handleMouseButtonDown(SDL_Event &ev, Common::Event &event) {
+	if (ev.button.button == SDL_BUTTON_LEFT){
+		if (BUTTON_STATE_L == true) /* BUTTON_STATE_L = Left Trigger Held, force Right Click */
+			event.type = Common::EVENT_RBUTTONDOWN;
+		else if (OP::tapmodeLevel == TAPMODE_LEFT) /* TAPMODE_LEFT = Left Click Tap Mode */
+			event.type = Common::EVENT_LBUTTONDOWN;
+		else if (OP::tapmodeLevel == TAPMODE_RIGHT) /* TAPMODE_RIGHT = Right Click Tap Mode */
+			event.type = Common::EVENT_RBUTTONDOWN;
+		else if (OP::tapmodeLevel == TAPMODE_HOVER) /* TAPMODE_HOVER = Hover (No Click) Tap Mode */
+			event.type = Common::EVENT_MOUSEMOVE;
+		else
+			event.type = Common::EVENT_LBUTTONDOWN; /* For normal mice etc. */
+	}
+	else if (ev.button.button == SDL_BUTTON_RIGHT)
+		event.type = Common::EVENT_RBUTTONDOWN;
+#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN)
+	else if (ev.button.button == SDL_BUTTON_WHEELUP)
+		event.type = Common::EVENT_WHEELUP;
+	else if (ev.button.button == SDL_BUTTON_WHEELDOWN)
+		event.type = Common::EVENT_WHEELDOWN;
+#endif
+#if defined(SDL_BUTTON_MIDDLE)
+	else if (ev.button.button == SDL_BUTTON_MIDDLE)
+		event.type = Common::EVENT_MBUTTONDOWN;
+#endif
+	else
+		return false;
+
+	fillMouseEvent(event, ev.button.x, ev.button.y);
+
+	return true;
+}
+
+bool OPEventSource::handleMouseButtonUp(SDL_Event &ev, Common::Event &event) {
+	if (ev.button.button == SDL_BUTTON_LEFT){
+		if (BUTTON_STATE_L == true) /* BUTTON_STATE_L = Left Trigger Held, force Right Click */
+			event.type = Common::EVENT_RBUTTONUP;
+		else if (OP::tapmodeLevel == TAPMODE_LEFT) /* TAPMODE_LEFT = Left Click Tap Mode */
+			event.type = Common::EVENT_LBUTTONUP;
+		else if (OP::tapmodeLevel == TAPMODE_RIGHT) /* TAPMODE_RIGHT = Right Click Tap Mode */
+			event.type = Common::EVENT_RBUTTONUP;
+		else if (OP::tapmodeLevel == TAPMODE_HOVER) /* TAPMODE_HOVER = Hover (No Click) Tap Mode */
+			event.type = Common::EVENT_MOUSEMOVE;
+		else
+			event.type = Common::EVENT_LBUTTONUP; /* For normal mice etc. */
+	}
+	else if (ev.button.button == SDL_BUTTON_RIGHT)
+		event.type = Common::EVENT_RBUTTONUP;
+#if defined(SDL_BUTTON_MIDDLE)
+	else if (ev.button.button == SDL_BUTTON_MIDDLE)
+		event.type = Common::EVENT_MBUTTONUP;
+#endif
+	else
+		return false;
+
+	fillMouseEvent(event, ev.button.x, ev.button.y);
+
+	return true;
+}
+#endif
diff --git a/backends/events/openpandora/op-events.h b/backends/events/openpandora/op-events.h
new file mode 100644
index 0000000000..4b13ef2105
--- /dev/null
+++ b/backends/events/openpandora/op-events.h
@@ -0,0 +1,46 @@
+/* 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.
+ *
+ */
+
+#if !defined(BACKEND_EVENTS_OP_H) && !defined(DISABLE_DEFAULT_EVENTMANAGER)
+#define BACKEND_EVENTS_OP_H
+
+#include "backends/events/sdl/sdl-events.h"
+
+/**
+ * Events manager for the OpenPandora.
+ */
+class OPEventSource : public SdlEventSource {
+public:
+	OPEventSource();
+
+protected:
+	/** Button state for L button modifier */
+	bool _buttonStateL;
+
+	bool remapKey(SDL_Event &ev, Common::Event &event);
+
+//private:
+	bool handleMouseButtonDown(SDL_Event &ev, Common::Event &event);
+	bool handleMouseButtonUp(SDL_Event &ev, Common::Event &event);
+};
+
+#endif /* BACKEND_EVENTS_OP_H */