added samsung tv backend

svn-id: r45775

1 files changed, 358 insertions, 0 deletions

diff --git a/backends/platform/samsungtv/events.cpp b/backends/platform/samsungtv/events.cpp
new file mode 100644
index 0000000000..9d67272dce
--- /dev/null
+++ b/backends/platform/samsungtv/events.cpp
@@ -0,0 +1,358 @@
+/* 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/sdl/events.cpp $
+ * $Id: events.cpp 43636 2009-08-22 12:35:49Z sev $
+ *
+ */
+
+#include "backends/platform/samsungtv/sdl.h"
+#include "common/util.h"
+#include "common/events.h"
+
+#if defined(SAMSUNGTV)
+
+static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode) {
+	if (key >= SDLK_F1 && key <= SDLK_F9) {
+		return key - SDLK_F1 + Common::ASCII_F1;
+	} else if (key >= SDLK_KP0 && key <= SDLK_KP9) {
+		return key - SDLK_KP0 + '0';
+	} else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) {
+		return key;
+	} else if (unicode) {
+		return unicode;
+	} else if (key >= 'a' && key <= 'z' && (mod & KMOD_SHIFT)) {
+		return key & ~0x20;
+	} else if (key >= SDLK_NUMLOCK && key <= SDLK_EURO) {
+		return 0;
+	}
+	return key;
+}
+
+void OSystem_SDL_SamsungTV::fillMouseEvent(Common::Event &event, int x, int y) {
+	event.mouse.x = x;
+	event.mouse.y = y;
+
+	// Update the "keyboard mouse" coords
+	_km.x = x;
+	_km.y = y;
+
+	// Adjust for the screen scaling
+	if (!_overlayVisible) {
+		event.mouse.x /= _videoMode.scaleFactor;
+		event.mouse.y /= _videoMode.scaleFactor;
+		if (_videoMode.aspectRatioCorrection)
+			event.mouse.y = aspect2Real(event.mouse.y);
+	}
+}
+
+void OSystem_SDL_SamsungTV::handleKbdMouse() {
+	uint32 curTime = getMillis();
+	if (curTime >= _km.last_time + _km.delay_time) {
+		_km.last_time = curTime;
+		if (_km.x_down_count == 1) {
+			_km.x_down_time = curTime;
+			_km.x_down_count = 2;
+		}
+		if (_km.y_down_count == 1) {
+			_km.y_down_time = curTime;
+			_km.y_down_count = 2;
+		}
+
+		if (_km.x_vel || _km.y_vel) {
+			if (_km.x_down_count) {
+				if (curTime > _km.x_down_time + _km.delay_time * 12) {
+					if (_km.x_vel > 0)
+						_km.x_vel++;
+					else
+						_km.x_vel--;
+				} else if (curTime > _km.x_down_time + _km.delay_time * 8) {
+					if (_km.x_vel > 0)
+						_km.x_vel = 5;
+					else
+						_km.x_vel = -5;
+				}
+			}
+			if (_km.y_down_count) {
+				if (curTime > _km.y_down_time + _km.delay_time * 12) {
+					if (_km.y_vel > 0)
+						_km.y_vel++;
+					else
+						_km.y_vel--;
+				} else if (curTime > _km.y_down_time + _km.delay_time * 8) {
+					if (_km.y_vel > 0)
+						_km.y_vel = 5;
+					else
+						_km.y_vel = -5;
+				}
+			}
+
+			_km.x += _km.x_vel;
+			_km.y += _km.y_vel;
+
+			if (_km.x < 0) {
+				_km.x = 0;
+				_km.x_vel = -1;
+				_km.x_down_count = 1;
+			} else if (_km.x > _km.x_max) {
+				_km.x = _km.x_max;
+				_km.x_vel = 1;
+				_km.x_down_count = 1;
+			}
+
+			if (_km.y < 0) {
+				_km.y = 0;
+				_km.y_vel = -1;
+				_km.y_down_count = 1;
+			} else if (_km.y > _km.y_max) {
+				_km.y = _km.y_max;
+				_km.y_vel = 1;
+				_km.y_down_count = 1;
+			}
+
+			setMousePos(_km.x, _km.y);
+		}
+	}
+}
+
+static byte SDLModToOSystemKeyFlags(SDLMod mod) {
+	byte b = 0;
+
+	if (mod & KMOD_SHIFT)
+		b |= Common::KBD_SHIFT;
+	if (mod & KMOD_ALT)
+		b |= Common::KBD_ALT;
+	if (mod & KMOD_CTRL)
+		b |= Common::KBD_CTRL;
+
+	return b;
+}
+
+bool OSystem_SDL_SamsungTV::pollEvent(Common::Event &event) {
+	SDL_Event ev;
+	byte b = 0;
+
+	handleKbdMouse();
+
+	// If the screen mode changed, send an Common::EVENT_SCREEN_CHANGED
+	if (_modeChanged) {
+		_modeChanged = false;
+		event.type = Common::EVENT_SCREEN_CHANGED;
+		return true;
+	}
+
+	while (SDL_PollEvent(&ev)) {
+		preprocessEvents(&ev);
+
+		switch (ev.type) {
+		case SDL_KEYDOWN:{
+			if (ev.key.keysym.sym == SDLK_UP) {
+				_km.y_vel = -1;
+				_km.y_down_count = 1;
+				event.type = Common::EVENT_MOUSEMOVE;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_DOWN) {
+				_km.y_vel = 1;
+				_km.y_down_count = 1;
+				event.type = Common::EVENT_MOUSEMOVE;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_LEFT) {
+				_km.x_vel = -1;
+				_km.x_down_count = 1;
+				event.type = Common::EVENT_MOUSEMOVE;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_RIGHT) {
+				_km.x_vel = 1;
+				_km.x_down_count = 1;
+				event.type = Common::EVENT_MOUSEMOVE;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_z) {
+				event.type = Common::EVENT_LBUTTONDOWN;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_HOME) {
+				event.type = Common::EVENT_RBUTTONDOWN;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_F4) {
+				event.type = Common::EVENT_KEYDOWN;
+				event.kbd.keycode = Common::KEYCODE_SPACE;
+				event.kbd.ascii = ' ';
+				return true;
+			}
+
+			b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
+
+			// Alt-S: Create a screenshot
+			if (b == Common::KBD_ALT && ev.key.keysym.sym == 's') {
+				char filename[20];
+
+				for (int n = 0;; n++) {
+					SDL_RWops *file;
+
+					sprintf(filename, "scummvm%05d.bmp", n);
+					file = SDL_RWFromFile(filename, "r");
+					if (!file)
+						break;
+					SDL_RWclose(file);
+				}
+				if (saveScreenshot(filename))
+					printf("Saved '%s'\n", filename);
+				else
+					printf("Could not save screenshot!\n");
+				break;
+			}
+
+			// On other unices, Control-Q quits
+			if ((ev.key.keysym.mod & KMOD_CTRL) && ev.key.keysym.sym == 'q') {
+				event.type = Common::EVENT_QUIT;
+				return true;
+			}
+
+			if ((ev.key.keysym.mod & KMOD_CTRL) && ev.key.keysym.sym == 'u') {
+				event.type = Common::EVENT_MUTE;
+				return true;
+			}
+
+			// Ctrl-Alt-<key> will change the GFX mode
+			if ((b & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::KBD_ALT)) {
+
+				handleScalerHotkeys(ev.key);
+				break;
+			}
+			const bool event_complete = remapKey(ev, event);
+
+			if (event_complete)
+				return true;
+
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
+			event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
+
+			return true;
+			}
+		case SDL_KEYUP:
+			{
+			if (ev.key.keysym.sym == SDLK_UP || ev.key.keysym.sym == SDLK_DOWN || ev.key.keysym.sym == SDLK_LEFT || ev.key.keysym.sym == SDLK_RIGHT) {
+				_km.x_vel = 0;
+				_km.x_down_count = 0;
+				_km.y_vel = 0;
+				_km.y_down_count = 0;
+				event.type = Common::EVENT_MOUSEMOVE;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_z) {
+				event.type = Common::EVENT_LBUTTONUP;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_HOME) {
+				event.type = Common::EVENT_RBUTTONUP;
+				fillMouseEvent(event, _km.x, _km.y);
+				return true;
+			} else if (ev.key.keysym.sym == SDLK_F4) {
+				event.type = Common::EVENT_KEYUP;
+				event.kbd.keycode = Common::KEYCODE_SPACE;
+				event.kbd.ascii = ' ';
+				return true;
+			}
+
+			const bool event_complete = remapKey(ev,event);
+
+			if (event_complete)
+				return true;
+
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
+			event.kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode);
+			b = event.kbd.flags = SDLModToOSystemKeyFlags(SDL_GetModState());
+
+			// Ctrl-Alt-<key> will change the GFX mode
+			if ((b & (Common::KBD_CTRL|Common::KBD_ALT)) == (Common::KBD_CTRL|Common::KBD_ALT)) {
+				// Swallow these key up events
+				break;
+			}
+
+			return true;
+			}
+		case SDL_MOUSEMOTION:
+			event.type = Common::EVENT_MOUSEMOVE;
+			fillMouseEvent(event, ev.motion.x, ev.motion.y);
+
+			setMousePos(event.mouse.x, event.mouse.y);
+			return true;
+
+		case SDL_MOUSEBUTTONDOWN:
+			if (ev.button.button == SDL_BUTTON_LEFT)
+				event.type = Common::EVENT_LBUTTONDOWN;
+			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
+				break;
+
+			fillMouseEvent(event, ev.button.x, ev.button.y);
+
+			return true;
+
+		case SDL_MOUSEBUTTONUP:
+			if (ev.button.button == SDL_BUTTON_LEFT)
+				event.type = Common::EVENT_LBUTTONUP;
+			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
+				break;
+			fillMouseEvent(event, ev.button.x, ev.button.y);
+
+			return true;
+
+		case SDL_VIDEOEXPOSE:
+			_forceFull = true;
+			break;
+
+		case SDL_QUIT:
+			event.type = Common::EVENT_QUIT;
+			return true;
+		}
+	}
+	return false;
+}
+
+bool OSystem_SDL_SamsungTV::remapKey(SDL_Event &ev, Common::Event &event) {
+	return false;
+}
+
+#endif