diff options
Diffstat (limited to 'backends/platform/iphone/osys_events.cpp')
| -rw-r--r-- | backends/platform/iphone/osys_events.cpp | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/backends/platform/iphone/osys_events.cpp b/backends/platform/iphone/osys_events.cpp new file mode 100644 index 0000000000..a190f68189 --- /dev/null +++ b/backends/platform/iphone/osys_events.cpp @@ -0,0 +1,514 @@ +/* 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 "gui/message.h" + +#include "osys_main.h" + + +bool OSystem_IPHONE::pollEvent(Common::Event &event) { + //printf("pollEvent()\n"); + + long curTime = getMillis(); + + if (_timerCallback && (curTime >= _timerCallbackNext)) { + _timerCallback(_timerCallbackTimer); + _timerCallbackNext = curTime + _timerCallbackTimer; + } + + if (_needEventRestPeriod) { + // Workaround: Some engines can't handle mouse-down and mouse-up events + // appearing right after each other, without a call returning no input in between. + _needEventRestPeriod = false; + return false; + } + + if (_queuedInputEvent.type != (Common::EventType)0) { + event = _queuedInputEvent; + _queuedInputEvent.type = (Common::EventType)0; + return true; + } + + int eventType; + float xUnit, yUnit; + + if (iPhone_fetchEvent(&eventType, &xUnit, &yUnit)) { + int x = 0; + int y = 0; + switch (_screenOrientation) { + case kScreenOrientationPortrait: + x = (int)(xUnit * _screenWidth); + y = (int)(yUnit * _screenHeight); + break; + case kScreenOrientationLandscape: + x = (int)(yUnit * _screenWidth); + y = (int)((1.0 - xUnit) * _screenHeight); + break; + case kScreenOrientationFlippedLandscape: + x = (int)((1.0 - yUnit) * _screenWidth); + y = (int)(xUnit * _screenHeight); + break; + } + + switch ((InputEvent)eventType) { + case kInputMouseDown: + if (!handleEvent_mouseDown(event, x, y)) + return false; + break; + + case kInputMouseUp: + if (!handleEvent_mouseUp(event, x, y)) + return false; + break; + + case kInputMouseDragged: + if (!handleEvent_mouseDragged(event, x, y)) + return false; + break; + case kInputMouseSecondDragged: + if (!handleEvent_mouseSecondDragged(event, x, y)) + return false; + break; + case kInputMouseSecondDown: + _secondaryTapped = true; + if (!handleEvent_secondMouseDown(event, x, y)) + return false; + break; + case kInputMouseSecondUp: + _secondaryTapped = false; + if (!handleEvent_secondMouseUp(event, x, y)) + return false; + break; + case kInputOrientationChanged: + handleEvent_orientationChanged((int)xUnit); + return false; + break; + + case kInputApplicationSuspended: + suspendLoop(); + return false; + break; + + case kInputKeyPressed: + handleEvent_keyPressed(event, (int)xUnit); + break; + + case kInputSwipe: + if (!handleEvent_swipe(event, (int)xUnit)) + return false; + break; + + default: + break; + } + + return true; + } + return false; +} + +bool OSystem_IPHONE::handleEvent_mouseDown(Common::Event &event, int x, int y) { + //printf("Mouse down at (%u, %u)\n", x, y); + + // Workaround: kInputMouseSecondToggled isn't always sent when the + // secondary finger is lifted. Need to make sure we get out of that mode. + _secondaryTapped = false; + + if (_touchpadModeEnabled) { + _lastPadX = x; + _lastPadY = y; + } else + warpMouse(x, y); + + if (_mouseClickAndDragEnabled) { + event.type = Common::EVENT_LBUTTONDOWN; + event.mouse.x = _mouseX; + event.mouse.y = _mouseY; + return true; + } else { + _lastMouseDown = getMillis(); + } + return false; +} + +bool OSystem_IPHONE::handleEvent_mouseUp(Common::Event &event, int x, int y) { + //printf("Mouse up at (%u, %u)\n", x, y); + + if (_secondaryTapped) { + _secondaryTapped = false; + if (!handleEvent_secondMouseUp(event, x, y)) + return false; + } + else if (_mouseClickAndDragEnabled) { + event.type = Common::EVENT_LBUTTONUP; + event.mouse.x = _mouseX; + event.mouse.y = _mouseY; + } else { + if (getMillis() - _lastMouseDown < 250) { + event.type = Common::EVENT_LBUTTONDOWN; + event.mouse.x = _mouseX; + event.mouse.y = _mouseY; + + _queuedInputEvent.type = Common::EVENT_LBUTTONUP; + _queuedInputEvent.mouse.x = _mouseX; + _queuedInputEvent.mouse.y = _mouseY; + _lastMouseTap = getMillis(); + _needEventRestPeriod = true; + } else + return false; + } + + return true; +} + +bool OSystem_IPHONE::handleEvent_secondMouseDown(Common::Event &event, int x, int y) { + _lastSecondaryDown = getMillis(); + _gestureStartX = x; + _gestureStartY = y; + + if (_mouseClickAndDragEnabled) { + event.type = Common::EVENT_LBUTTONUP; + event.mouse.x = _mouseX; + event.mouse.y = _mouseY; + + _queuedInputEvent.type = Common::EVENT_RBUTTONDOWN; + _queuedInputEvent.mouse.x = _mouseX; + _queuedInputEvent.mouse.y = _mouseY; + } + else + return false; + + return true; +} + +bool OSystem_IPHONE::handleEvent_secondMouseUp(Common::Event &event, int x, int y) { + int curTime = getMillis(); + + if (curTime - _lastSecondaryDown < 400 ) { + //printf("Right tap!\n"); + if (curTime - _lastSecondaryTap < 400 && !_overlayVisible) { + //printf("Right escape!\n"); + event.type = Common::EVENT_KEYDOWN; + _queuedInputEvent.type = Common::EVENT_KEYUP; + + event.kbd.flags = _queuedInputEvent.kbd.flags = 0; + event.kbd.keycode = _queuedInputEvent.kbd.keycode = Common::KEYCODE_ESCAPE; + event.kbd.ascii = _queuedInputEvent.kbd.ascii = Common::ASCII_ESCAPE; + _needEventRestPeriod = true; + _lastSecondaryTap = 0; + } else if (!_mouseClickAndDragEnabled) { + //printf("Rightclick!\n"); + event.type = Common::EVENT_RBUTTONDOWN; + event.mouse.x = _mouseX; + event.mouse.y = _mouseY; + _queuedInputEvent.type = Common::EVENT_RBUTTONUP; + _queuedInputEvent.mouse.x = _mouseX; + _queuedInputEvent.mouse.y = _mouseY; + _lastSecondaryTap = curTime; + _needEventRestPeriod = true; + } else { + //printf("Right nothing!\n"); + return false; + } + } + if (_mouseClickAndDragEnabled) { + event.type = Common::EVENT_RBUTTONUP; + event.mouse.x = _mouseX; + event.mouse.y = _mouseY; + } + + return true; +} + +bool OSystem_IPHONE::handleEvent_mouseDragged(Common::Event &event, int x, int y) { + if (_lastDragPosX == x && _lastDragPosY == y) + return false; + + _lastDragPosX = x; + _lastDragPosY = y; + + //printf("Mouse dragged at (%u, %u)\n", x, y); + int mouseNewPosX; + int mouseNewPosY; + if (_touchpadModeEnabled ) { + int deltaX = _lastPadX - x; + int deltaY = _lastPadY - y; + _lastPadX = x; + _lastPadY = y; + + mouseNewPosX = (int)(_mouseX - deltaX / 0.5f); + mouseNewPosY = (int)(_mouseY - deltaY / 0.5f); + + if (mouseNewPosX < 0) + mouseNewPosX = 0; + else if (mouseNewPosX > _screenWidth) + mouseNewPosX = _screenWidth; + + if (mouseNewPosY < 0) + mouseNewPosY = 0; + else if (mouseNewPosY > _screenHeight) + mouseNewPosY = _screenHeight; + + } else { + mouseNewPosX = x; + mouseNewPosY = y; + } + + event.type = Common::EVENT_MOUSEMOVE; + event.mouse.x = mouseNewPosX; + event.mouse.y = mouseNewPosY; + warpMouse(mouseNewPosX, mouseNewPosY); + + return true; +} + +bool OSystem_IPHONE::handleEvent_mouseSecondDragged(Common::Event &event, int x, int y) { + if (_gestureStartX == -1 || _gestureStartY == -1) { + return false; + } + + static const int kNeededLength = 100; + static const int kMaxDeviation = 20; + + int vecX = (x - _gestureStartX); + int vecY = (y - _gestureStartY); + + int absX = abs(vecX); + int absY = abs(vecY); + + //printf("(%d, %d)\n", vecX, vecY); + + if (absX >= kNeededLength || absY >= kNeededLength) { // Long enough gesture to react upon. + _gestureStartX = -1; + _gestureStartY = -1; + + if (absX < kMaxDeviation && vecY >= kNeededLength) { + // Swipe down + event.type = Common::EVENT_KEYDOWN; + _queuedInputEvent.type = Common::EVENT_KEYUP; + + event.kbd.flags = _queuedInputEvent.kbd.flags = 0; + event.kbd.keycode = _queuedInputEvent.kbd.keycode = Common::KEYCODE_F5; + event.kbd.ascii = _queuedInputEvent.kbd.ascii = Common::ASCII_F5; + _needEventRestPeriod = true; + return true; + } + + if (absX < kMaxDeviation && -vecY >= kNeededLength) { + // Swipe up + _mouseClickAndDragEnabled = !_mouseClickAndDragEnabled; + const char *dialogMsg; + if (_mouseClickAndDragEnabled) { + _touchpadModeEnabled = false; + dialogMsg = "Mouse-click-and-drag mode enabled."; + } else + dialogMsg = "Mouse-click-and-drag mode disabled."; + GUI::TimedMessageDialog dialog(dialogMsg, 1500); + dialog.runModal(); + return false; + } + + if (absY < kMaxDeviation && vecX >= kNeededLength) { + // Swipe right + _touchpadModeEnabled = !_touchpadModeEnabled; + const char *dialogMsg; + if (_touchpadModeEnabled) + dialogMsg = "Touchpad mode enabled."; + else + dialogMsg = "Touchpad mode disabled."; + GUI::TimedMessageDialog dialog(dialogMsg, 1500); + dialog.runModal(); + return false; + + } + + if (absY < kMaxDeviation && -vecX >= kNeededLength) { + // Swipe left + return false; + } + } + + return false; +} + +void OSystem_IPHONE::handleEvent_orientationChanged(int orientation) { + //printf("Orientation: %i\n", orientation); + + ScreenOrientation newOrientation; + switch (orientation) { + case 1: + newOrientation = kScreenOrientationPortrait; + break; + case 3: + newOrientation = kScreenOrientationLandscape; + break; + case 4: + newOrientation = kScreenOrientationFlippedLandscape; + break; + default: + return; + } + + + if (_screenOrientation != newOrientation) { + _screenOrientation = newOrientation; + iPhone_initSurface(_screenWidth, _screenHeight); + + dirtyFullScreen(); + if (_overlayVisible) + dirtyFullOverlayScreen(); + updateScreen(); + } +} + +void OSystem_IPHONE::handleEvent_keyPressed(Common::Event &event, int keyPressed) { + int ascii = keyPressed; + //printf("key: %i\n", keyPressed); + + // We remap some of the iPhone keyboard keys. + // The first ten here are the row of symbols below the numeric keys. + switch (keyPressed) { + case 45: + keyPressed = Common::KEYCODE_F1; + ascii = Common::ASCII_F1; + break; + case 47: + keyPressed = Common::KEYCODE_F2; + ascii = Common::ASCII_F2; + break; + case 58: + keyPressed = Common::KEYCODE_F3; + ascii = Common::ASCII_F3; + break; + case 59: + keyPressed = Common::KEYCODE_F4; + ascii = Common::ASCII_F4; + break; + case 40: + keyPressed = Common::KEYCODE_F5; + ascii = Common::ASCII_F5; + break; + case 41: + keyPressed = Common::KEYCODE_F6; + ascii = Common::ASCII_F6; + break; + case 36: + keyPressed = Common::KEYCODE_F7; + ascii = Common::ASCII_F7; + break; + case 38: + keyPressed = Common::KEYCODE_F8; + ascii = Common::ASCII_F8; + break; + case 64: + keyPressed = Common::KEYCODE_F9; + ascii = Common::ASCII_F9; + break; + case 34: + keyPressed = Common::KEYCODE_F10; + ascii = Common::ASCII_F10; + break; + case 10: + keyPressed = Common::KEYCODE_RETURN; + ascii = Common::ASCII_RETURN; + break; + } + event.type = Common::EVENT_KEYDOWN; + _queuedInputEvent.type = Common::EVENT_KEYUP; + + event.kbd.flags = _queuedInputEvent.kbd.flags = 0; + event.kbd.keycode = _queuedInputEvent.kbd.keycode = (Common::KeyCode)keyPressed; + event.kbd.ascii = _queuedInputEvent.kbd.ascii = ascii; + _needEventRestPeriod = true; +} + +bool OSystem_IPHONE::handleEvent_swipe(Common::Event &event, int direction) { + Common::KeyCode keycode = Common::KEYCODE_INVALID; + switch (_screenOrientation) { + case kScreenOrientationPortrait: + switch ((UIViewSwipeDirection)direction) { + case kUIViewSwipeUp: + keycode = Common::KEYCODE_UP; + break; + case kUIViewSwipeDown: + keycode = Common::KEYCODE_DOWN; + break; + case kUIViewSwipeLeft: + keycode = Common::KEYCODE_LEFT; + break; + case kUIViewSwipeRight: + keycode = Common::KEYCODE_RIGHT; + break; + default: + return false; + } + break; + case kScreenOrientationLandscape: + switch ((UIViewSwipeDirection)direction) { + case kUIViewSwipeUp: + keycode = Common::KEYCODE_LEFT; + break; + case kUIViewSwipeDown: + keycode = Common::KEYCODE_RIGHT; + break; + case kUIViewSwipeLeft: + keycode = Common::KEYCODE_DOWN; + break; + case kUIViewSwipeRight: + keycode = Common::KEYCODE_UP; + break; + default: + return false; + } + break; + case kScreenOrientationFlippedLandscape: + switch ((UIViewSwipeDirection)direction) { + case kUIViewSwipeUp: + keycode = Common::KEYCODE_RIGHT; + break; + case kUIViewSwipeDown: + keycode = Common::KEYCODE_LEFT; + break; + case kUIViewSwipeLeft: + keycode = Common::KEYCODE_UP; + break; + case kUIViewSwipeRight: + keycode = Common::KEYCODE_DOWN; + break; + default: + return false; + } + break; + } + + event.kbd.keycode = _queuedInputEvent.kbd.keycode = keycode; + event.kbd.ascii = _queuedInputEvent.kbd.ascii = 0; + event.type = Common::EVENT_KEYDOWN; + _queuedInputEvent.type = Common::EVENT_KEYUP; + event.kbd.flags = _queuedInputEvent.kbd.flags = 0; + _needEventRestPeriod = true; + + return true; +} |