aboutsummaryrefslogtreecommitdiff
path: root/engines/m4/m4_menus.cpp
blob: 787d8666f61b34326897afb184eef1052c5f59e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
/* 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/algorithm.h"		// for find()
#include "common/textconsole.h"
#include "gui/dialog.h"
#include "gui/message.h"

#include "m4/m4_menus.h"
#include "m4/m4_views.h"
#include "m4/woodscript.h"
#include "m4/midi.h"

namespace M4 {

const char *EmptySaveString = "<empty>";

//--------------------------------------------------------------------------
// Callback methods
//
// Following is a set of callback methods used to handle the execution
// of buttons in the various dialogs
//--------------------------------------------------------------------------

// General function which simply closes the active menu

void OrionCallbacks::closeMenuFn(DialogView *view, MenuObject *item) {
	view->close();
}

void OrionCallbacks::closeMenuFn(OrionMenuView *view) {
	closeMenuFn(view, NULL);
}

/* Game menu functions */

void OrionCallbacks::gameOptionsMenuFn(DialogView *view, MenuObject *item) {
	view->vm()->loadMenu(OPTIONS_MENU);
	view->close();
}

void OrionCallbacks::gameSaveGameFn(DialogView *view, MenuObject *item) {
	view->vm()->loadMenu(SAVE_MENU);
	view->close();
}

void OrionCallbacks::gameLoadGameFn(DialogView *view, MenuObject *item) {
	view->vm()->loadMenu(LOAD_MENU);
	view->close();
}

void OrionCallbacks::gameExitFn(DialogView *view, MenuObject *item) {
	view->vm()->_events->quitFlag = true;
	view->close();
}

/* Options menu */

void OrionCallbacks::optionsDigiSliderFn(DialogView *view, MenuObject *item) {
	// Digi volume slider changed
	int percent = ((MenuHorizSlider *) item)->percent();

	view->vm()->_sound->setVolume(percent * 255 / 100);
}

void OrionCallbacks::optionsMidiSliderFn(DialogView *view, MenuObject *item) {
	// Midi volume slider changed
	int percent = ((MenuHorizSlider *) item)->percent();

	view->vm()->midi()->setVolume(percent * 255 / 100);
}

void OrionCallbacks::optionsScrollingFn(DialogView *view, MenuObject *item) {
	// TODO: Change current Digi volume settings here
}

void OrionCallbacks::optionsCancelFn(DialogView *view, MenuObject *item) {
	// TODO: Reset original option settings here
	OrionMenuView *vw = (OrionMenuView *) view;

	vw->vm()->midi()->setVolume(vw->_originalMidiVolume);

	vw->vm()->loadMenu(GAME_MENU);
	vw->close();
}

void OrionCallbacks::optionsDoneFn(DialogView *view, MenuObject *item) {
	view->vm()->loadMenu(GAME_MENU);
	view->close();
}

void OrionCallbacks::optionsReturnFn(OrionMenuView *view) {
	optionsDoneFn(view, NULL);
}

void OrionCallbacks::optionsEscapeFn(OrionMenuView *view) {
	optionsCancelFn(view, NULL);
}

/* Save/Load dialog functions */

// Save the current game

void OrionCallbacks::saveLoadSaveFn(DialogView *view, MenuObject *item) {
	if (view->_selectedSlot == -1)
		return;

	MenuTextField *textItem = (MenuTextField *) view->getItem(SLTAG_TEXTFIELD);
	if (!textItem)
		return;

	textItem->setState(OS_NORMAL);

	// Save the game
	bool succeeded = view->vm()->_saveLoad->save(view->_selectedSlot + 1, textItem->getText());

	if (!succeeded) {
		GUI::MessageDialog dialog("Save game failed!");
		dialog.runModal();
	}

	// Close the menu
	closeMenuFn(view, item);
}

void OrionCallbacks::saveLoadLoadFn(DialogView *view, MenuObject *item) {
	// TODO: load the selected save game
	closeMenuFn(view, item);
}

void OrionCallbacks::saveLoadSlotFn(DialogView *view, MenuObject *item) {
	OrionMenuView *vw = (OrionMenuView *) view;
	MenuSaveLoadText *button = (MenuSaveLoadText *) item;

	view->_selectedSlot = button->getIndex();
	view->_deleteSaveDesc = true;

	// Disable all the slots except the selected one
	for (int index = 0; index < SL_NUM_VISIBLE_SLOTS; ++index) {
		MenuSaveLoadText *currentItem = (MenuSaveLoadText *) view->getItem(SLTAG_SLOTS_START + index);
		if (currentItem->getIndex() != button->getIndex()) {
			currentItem->setState(OS_GREYED);
		}
	}

	// Get a copy of the slot bounds
	Common::Rect slotBounds = button->getBounds();

	if (view->getMenuType() == SAVE_MENU) {
		// Add in a text field for entry of the savegame name
		vw->items().push_back(new MenuTextField(view, SLTAG_TEXTFIELD,
			slotBounds.left, slotBounds.top, slotBounds.width(), slotBounds.height(), false,
			saveLoadSaveFn, (button->getText() == EmptySaveString) ? NULL : button->getText(),
			button->getIndex() + 1));

	} else {
		vw->items().push_back(new MenuTextField(view, SLTAG_TEXTFIELD,
			slotBounds.left, slotBounds.top, slotBounds.width(), slotBounds.height(), true,
			saveLoadLoadFn, button->getText(), button->getIndex() + 1));
	}

	// Hide the existing slot
	button->setVisible(false);

	// Disable the slider

	MenuVertSlider *slider = (MenuVertSlider *) view->getItem(SLTAG_VSLIDER);
	slider->setState(OS_GREYED);

	// Enable the save/load button
	MenuButton *btn = (MenuButton *) view->getItem(SLTAG_SAVELOAD);
	btn->setState(OS_NORMAL);
}

void OrionCallbacks::saveLoadCancelFn(DialogView *view, MenuObject *item) {
	OrionMenuView *vw = (OrionMenuView *) view;

	if (view->_selectedSlot != -1) {
		// Pressed cancel with a save selected, so revert back to no selection

		// Re-enable all the other slots

		for (int index = 0; index < SL_NUM_VISIBLE_SLOTS; ++index) {
			if (index != view->_selectedSlot) {
				MenuSaveLoadText *currentItem = (MenuSaveLoadText *) view->getItem(SLTAG_SLOTS_START + index);
				currentItem->setState(OS_NORMAL);
			}
		}

		// Show the previously hidden slot again
		MenuSaveLoadText *slot = (MenuSaveLoadText *) view->getItem(SLTAG_SLOTS_START + view->_selectedSlot);
		slot->setVisible(true);
		slot->setState(OS_NORMAL);

		// Remove the text selection
		MenuTextField *textField = (MenuTextField *) view->getItem(SLTAG_TEXTFIELD);
		delete textField;
		vw->items().remove(textField);

		// Set button enablement
		MenuButton *btn = (MenuButton *) view->getItem(SLTAG_SAVELOAD);
		btn->setState(OS_GREYED);
		btn = (MenuButton *) view->getItem(SLTAG_CANCEL);
		btn->setState(OS_NORMAL);

		// Re-enable the slider

		MenuVertSlider *slider = (MenuVertSlider *) view->getItem(SLTAG_VSLIDER);
		slider->setState(OS_NORMAL);

		view->_selectedSlot = -1;

	} else {
		// Close the dialog
		if (vw->_loadSaveFromHotkey)
			// Since dialog was called from hotkey, return directly to the game
			closeMenuFn(view, item);
		else {
			// Return to the game menu
			view->vm()->loadMenu(GAME_MENU);
			view->close();
		}
	}
}

void OrionCallbacks::saveLoadSliderFn(DialogView *view, MenuObject *item) {
	OrionMenuView *vw = (OrionMenuView *) view;
	MenuVertSlider *slider = (MenuVertSlider *) item;

	if (slider->sliderState() == VSLIDER_THUMBNAIL) {
		// Callback generated by slider thumb, so set top slot using slider percentage
		vw->setTopSaveSlot(slider->percent() * 89 / 100);

	} else {
		int newIndex = view->_topSaveSlotIndex;

		switch (slider->sliderState()) {
		case VSLIDER_UP:
			if (newIndex > 0)
				--newIndex;
			break;

		case VSLIDER_PAGE_UP:
			if (newIndex > 0)
				newIndex = MAX(newIndex - 10, 0);
			break;

		case VSLIDER_PAGE_DOWN:
			if (newIndex < 89)
				newIndex = MIN(newIndex + 10, 89);
			break;

		case VSLIDER_DOWN:
			if (newIndex < 89)
				++newIndex;
			break;

		default:
			break;
		}

		if (newIndex != view->_topSaveSlotIndex) {
			// Set the new top slot
			vw->setTopSaveSlot(newIndex);

			// Set the new slider position
			slider->setPercentage(newIndex * 100 / 89);
		}
	}
}

void OrionCallbacks::saveLoadEscapeFn(OrionMenuView *view) {
	saveLoadCancelFn(view, NULL);
}

void OrionCallbacks::saveLoadReturnFn(OrionMenuView *view) {
	MenuTextField *textItem = (MenuTextField *) view->getItem(SLTAG_TEXTFIELD);
	if (textItem) {
		if (view->getMenuType() == SAVE_MENU)
			saveLoadSaveFn(view, NULL);
		else
			saveLoadLoadFn(view, NULL);
	}
}

//--------------------------------------------------------------------------

OrionMenuView::OrionMenuView(MadsM4Engine *Vm, int x, int y, MenuType menuType, bool calledFromMainMenu,
		bool loadSaveFromHotkey): DialogView(Vm, x, y, true) {
	_menuType = menuType;
	_screenType = VIEWID_MENU;
	_screenFlags.layer = LAYER_MENU;
	_screenFlags.get = SCREVENT_ALL;
	_screenFlags.blocks = SCREVENT_ALL;
	_screenFlags.immovable = true;
	//_screenFlags.immovable = false;	// uncomment to make menu movable
	_coords.left = x;
	_coords.top = y;
	_currentItem = NULL;
	_escapeHandler = &OrionCallbacks::closeMenuFn;
	_returnHandler = NULL;
	_saveNames = NULL;
	_savegameThumbnail = NULL;
	_deleteSaveDesc = false;
	_closeFlag = false;

	_calledFromMainMenu = calledFromMainMenu;
	_loadSaveFromHotkey = loadSaveFromHotkey;

	_interfaceWasVisible = _m4Vm->scene()->getInterface()->isVisible();
	if (_interfaceWasVisible)
		_m4Vm->scene()->getInterface()->hide();

	_vm->_mouse->setCursorNum(CURSOR_ARROW);

	switch (menuType) {
	case GAME_MENU:
		loadSprites(MENU_GAME);

		// Add menu contents
		_menuObjects.push_back(new MenuButton(this, BTNID_MAIN, 45, 53, 24, 24, &OrionCallbacks::closeMenuFn));
		_menuObjects.push_back(new MenuButton(this, BTNID_OPTIONS, 45, 94, 24, 24, &OrionCallbacks::gameOptionsMenuFn));
		_menuObjects.push_back(new MenuButton(this, BTNID_RESUME, 45, 135, 24, 24, &OrionCallbacks::closeMenuFn));
		_menuObjects.push_back(new MenuButton(this, BTNID_QUIT, 141, 135, 24, 24, &OrionCallbacks::gameExitFn));
		_menuObjects.push_back(new MenuButton(this, BTNID_SAVE, 141, 53, 24, 24, &OrionCallbacks::gameSaveGameFn, _calledFromMainMenu));
		_menuObjects.push_back(new MenuButton(this, BTNID_LOAD, 141, 94, 24, 24, &OrionCallbacks::gameLoadGameFn,
			!_vm->_saveLoad->hasSaves()));

		_escapeHandler = &OrionCallbacks::closeMenuFn;
		_returnHandler = &OrionCallbacks::closeMenuFn;
		break;

	case OPTIONS_MENU:
		loadSprites(MENU_OPTIONS);

		// Store the original settings in case user aborts dialog
		_originalMidiVolume = _vm->midi()->getVolume();

		// Add menu contents
		// TODO: Currently the Digi slider isn't hooked up to anything
		_menuObjects.push_back(new MenuButton(this, OPTIONID_CANCEL, 93, 141, 74, 43,
			&OrionCallbacks::optionsCancelFn, false, false, OBJTYPE_OM_CANCEL));
		_menuObjects.push_back(new MenuButton(this, OPTIONID_DONE, 168, 141, 74, 43,
			&OrionCallbacks::optionsDoneFn, false, false, OBJTYPE_OM_DONE));
		_menuObjects.push_back(new MenuHorizSlider(this, OPTIONID_HSLIDER_MIDI, 47, 64, 212, 24,
			_originalMidiVolume * 100 / 255, &OrionCallbacks::optionsMidiSliderFn, true));
		_menuObjects.push_back(new MenuHorizSlider(this, OPTIONID_HSLIDER_DIGI, 47, 104, 212, 24,
			0, &OrionCallbacks::optionsDigiSliderFn, true));

		_escapeHandler = &OrionCallbacks::optionsEscapeFn;
		_returnHandler = &OrionCallbacks::optionsReturnFn;
		break;

	case SAVE_MENU:
	case LOAD_MENU:
		loadSprites(MENU_SAVELOAD);

		// Set up the defaults for the window
		_topSaveSlotIndex = 0;
		_selectedSlot = -1;
		_highlightedSlot = -1;
		_saveNames = _vm->_saveLoad->getSaves();

		// Set up menu elements
		_menuObjects.push_back(new MenuMessage(this, SLTAG_SAVELOAD_LABEL, 50, 241, 70, 16));
		_menuObjects.push_back(new MenuButton(this, SLTAG_SAVELOAD, 214, 384, 72, 41,
			(menuType == SAVE_MENU) ? &OrionCallbacks::saveLoadSaveFn : &OrionCallbacks::saveLoadLoadFn,
			true, true, (menuType == SAVE_MENU) ? OBJTYPE_SL_SAVE : OBJTYPE_SL_LOAD));
		_menuObjects.push_back(new MenuButton(this, SLTAG_CANCEL, 139, 384, 74, 43,
			&OrionCallbacks::saveLoadCancelFn, false, false, OBJTYPE_SL_CANCEL));
		_menuObjects.push_back(new MenuVertSlider(this, SLTAG_VSLIDER, 291, 255, 23, 127, 0,
			&OrionCallbacks::saveLoadSliderFn));

		if (_menuType == SAVE_MENU)
			_savegameThumbnail = createThumbnail();

		_menuObjects.push_back(new MenuImage(this, SLTAG_THUMBNAIL, 66, 28, 215, 162,
			(_savegameThumbnail == NULL) ? _sprites->getFrame(SL_EMPTY_THUMBNAIL) : _savegameThumbnail));


		{
			SaveGameIterator slot = _saveNames->begin();
			for (uint slotIndex = 0; slotIndex < SL_NUM_VISIBLE_SLOTS; ++slotIndex, ++slot) {
				// Get save slot
				bool isEmpty = (slotIndex >= _saveNames->size()) || (*slot).empty();

				_menuObjects.push_back(new MenuSaveLoadText(this, SLTAG_SLOTS_START + slotIndex,
					50, 256 + slotIndex * 15, 238, 15, &OrionCallbacks::saveLoadSlotFn,
					(menuType == LOAD_MENU) && isEmpty, true, (menuType == LOAD_MENU),
					isEmpty ? EmptySaveString : slot->c_str(), slotIndex + 1));
			}
		}

		_escapeHandler = &OrionCallbacks::saveLoadEscapeFn;
		_returnHandler = &OrionCallbacks::saveLoadReturnFn;
		break;

	default:
		error("Unknown menu type");
		break;
	}

	// Draw all the items onto the background surface
	for (MenuObjectsIterator i = _menuObjects.begin(); i != _menuObjects.end(); ++i)
		(*i)->onRefresh();
}

OrionMenuView::~OrionMenuView() {
	delete _sprites;

	for (MenuObjectList::iterator i = _menuObjects.begin(); i != _menuObjects.end(); ++i)
		delete *i;
	_menuObjects.clear();

	delete _saveNames;
	delete _savegameThumbnail;
}

bool OrionMenuView::loadSprites(const char *seriesName) {
	Common::SeekableReadStream *data = _vm->res()->get(seriesName);
	RGB8 *palette;

	_sprites = new SpriteAsset(_vm, data, data->size(), seriesName);
	palette = _sprites->getPalette();
	_vm->_palette->setPalette(palette, 0, _sprites->getColorCount());

	_vm->res()->toss(seriesName);

	// Update the palette
	//_vm->setPalette((byte *) _menuPalette, 59, 197);

	// The first sprite is the menu background

	M4Sprite *bg = _sprites->getFrame(0);
	this->setSize(bg->width(), bg->height());
	_coords.setWidth(bg->width());
	_coords.setHeight(bg->height());
	bg->copyTo(this);

	return true;
}

// Creates a thumbnail based on the current background screen

M4Surface *OrionMenuView::createThumbnail() {
	M4Surface srcSurface(_vm->_screen->width(), _vm->_screen->height());
	M4Surface *result = new M4Surface(_vm->_screen->width() / 3, _vm->_screen->height() / 3);

	// Translate the scene data

	_vm->_scene->onRefresh(NULL, &srcSurface);
	byte *srcP = srcSurface.getBasePtr(0, 0);
	byte *destP = result->getBasePtr(0, 0);

	for (int yCtr = 0; yCtr < _vm->_scene->height() / 3; ++yCtr, srcP += g_system->getWidth() * 3) {
		byte *src0P = srcP;
		byte *src1P = srcP + _vm->_screen->width();
		byte *src2P = src1P + _vm->_screen->width();

		for (int xCtr = 0; xCtr < result->width(); ++xCtr) {
			*destP = (byte)((uint32)((
				*src0P + *(src0P + 1) + *(src0P + 2) +
				*src1P + *(src1P + 1) + *(src1P + 2) +
				*src2P + *(src2P + 1) + *(src2P + 2)) / 9));
			if (*destP == 0)
				*destP = 21;

			++destP;
			src0P += 3;
			src1P += 3;
			src2P += 3;
		}
	}

	// Translate the game interface view - since it's using standard colors that can't be
	// averaged, simply take the top left pixel of every 3x3 pixel block

	_m4Vm->scene()->getInterface()->onRefresh(NULL, &srcSurface);
	destP = result->getBasePtr(0, 0) + (_vm->_screen->width() / 3) * (_m4Vm->scene()->getInterface()->bounds().top / 3);

	int yStart = _m4Vm->scene()->getInterface()->bounds().top;
	int yEnd = MIN(_vm->_screen->height() - 1, (int) _m4Vm->scene()->getInterface()->bounds().bottom - 1);
	for (int yCtr = yStart; yCtr <= yEnd; yCtr += 3) {
		srcP = (byte *)srcSurface.getBasePtr(0, yCtr) + (yCtr * _vm->_screen->width());

		for (int xCtr = 0; xCtr < result->width(); ++xCtr, srcP += 3)
			*destP++ = *srcP;
	}

	return result;
}

void OrionMenuView::destroyView() {
	MadsM4Engine *engine = _vm;
	bool interfaceVisible = _interfaceWasVisible;
	engine->_viewManager->deleteView(this);

	// Fade the game back in if no menu views are active (such as if a button was pressed in one menu
	// to activate another menu dialog)
	bool fadeIn = engine->_viewManager->getView(VIEWID_MENU) == NULL;

	if (fadeIn) {
		bool fadeToBlack = engine->_events->quitFlag;
		engine->_ws->update();
		engine->_palette->fadeFromGreen(M4_DIALOG_FADE_STEPS, M4_DIALOG_FADE_DELAY, fadeToBlack);

		if (interfaceVisible)
			engine->scene()->showInterface();
	}
}

bool OrionMenuView::onEvent(M4EventType eventType, int32 param, int x, int y, bool &captureEvents) {
	static Common::Point movingPos(0, 0);
	static bool movingFlag = false;

	bool handledFlag = false;
	int localX, localY;
	MenuObjectsIterator i;

	if (!_screenFlags.visible)
		return false;

	if (!movingFlag)
		captureEvents = false;

	// If the escape key is pressed, then pass onto the Escape handler

	if (eventType == KEVENT_KEY) {
		if ((param == Common::KEYCODE_ESCAPE) && (_escapeHandler != NULL)) {
			// Execute the Escape handler function
			_currentItem = NULL;
			captureEvents = false;
			_escapeHandler(this);
			destroyView();
			return true;
		}

		if (((param == Common::KEYCODE_RETURN) || (param == Common::KEYCODE_KP_ENTER)) &&
			(_returnHandler != NULL)) {
			// Execute the Return handler function
			_currentItem = NULL;
			captureEvents = false;
			_returnHandler(this);
			return true;
		}

		MenuTextField *textItem = (MenuTextField *) getItem(SLTAG_TEXTFIELD);
		if (textItem && textItem->onEvent(KEVENT_KEY, param, x, y, _currentItem))
			return true;
	}

	// Convert the screen position to a relative position within the menu surface
	localX = x - _coords.left;
	localY = y - _coords.top;

	// If there is an active object handling events, pass it on until it releases control

	if (_currentItem) {
		handledFlag = _currentItem->onEvent(eventType, param, localX, localY, _currentItem);

		if (_closeFlag) {
			// Dialog has been flagged to be closed
			captureEvents = false;
			destroyView();
			return true;
		}

		if (_currentItem) {
			captureEvents =
				(Common::find(_menuObjects.begin(), _menuObjects.end(), _currentItem) != _menuObjects.end());
			if (!captureEvents)
				// The menu object is no longer active, so reset current item
				_currentItem = NULL;
		} else {
			captureEvents = false;
		}

		if (handledFlag)
			return true;
	}

	if (eventType == KEVENT_KEY) {
		// Handle keypresses by looping through the item list to see if any of them want it

		for (i = _menuObjects.begin(); (i != _menuObjects.end()) && !handledFlag; ++i) {
			MenuObject *menuObj = *i;
			MenuObject *dummyItem;
			handledFlag = menuObj->onEvent(eventType, param, localX, localY, dummyItem);
		}

		return handledFlag;

	} else {
		// Handle mouse events by scanning the item list to see if the cursor is within any

		for (i = _menuObjects.begin(); (i != _menuObjects.end()) && !handledFlag; ++i) {
			MenuObject *menuObj = *i;

			if (menuObj->isInside(localX, localY)) {
				// Found an item, so pass it the event
				menuObj->onEvent(eventType, param, localX, localY, _currentItem);

				if (_closeFlag) {
					// Dialog has been flagged to be closed
					captureEvents = false;
					destroyView();
					return true;
				}

				if (_currentItem) {
					captureEvents =
						(Common::find(_menuObjects.begin(), _menuObjects.end(), _currentItem) != _menuObjects.end());
					if (!captureEvents)
						// The menu object is no longer active, so reset current item
						_currentItem = NULL;
				} else {
					captureEvents = false;
				}

				return true;
			}
		}
	}

	// None of the items have handled the event, so fall back on menu-wide event handling

	switch (eventType) {
	case MEVENT_LEFT_CLICK:
	case MEVENT_DOUBLECLICK:
		if (!_screenFlags.immovable) {
			// Move the entire dialog
			captureEvents = true;
			movingFlag = true;
			movingPos.x = x;
			movingPos.y = y;
		}
		break;

	case MEVENT_LEFT_DRAG:
	case MEVENT_DOUBLECLICK_DRAG:
		if (movingFlag) {
			moveRelative(x - movingPos.x, y - movingPos.y);
			movingPos.x = x;
			movingPos.y = y;
		}
		break;

	case MEVENT_LEFT_RELEASE:
	case MEVENT_DOUBLECLICK_RELEASE:
		captureEvents = false;
		movingFlag = false;
		break;

	default:
		break;
	}

	return true;
}

MenuObject *OrionMenuView::getItem(int objectId) {
	MenuObjectsIterator i;
	for (i = _menuObjects.begin(); i != _menuObjects.end(); ++i) {
		MenuObject *obj = *i;
		if (obj->getObjectId() == objectId)
			return obj;
	}

	return NULL;
}

void OrionMenuView::setTopSaveSlot(int slotNumber) {
	_topSaveSlotIndex = MAX(MIN(slotNumber, 89), 0);

	// Update the details of the load/save slots

	// Get save slot
	SaveGameIterator slot = _saveNames->begin();
	for (int i = 0; i < _topSaveSlotIndex; ++i)
		++slot;

	for (uint index = 0; index < SL_NUM_VISIBLE_SLOTS; ++index, ++slot) {
		MenuSaveLoadText *item = (MenuSaveLoadText *) getItem(SLTAG_SLOTS_START + index);
		uint slotIndex = _topSaveSlotIndex + index;

		bool isEmpty = (slotIndex >= _saveNames->size()) || slot->empty();
		item->setDisplay(slotIndex + 1, isEmpty ? EmptySaveString : slot->c_str());

		item->setState((_menuType == SAVE_MENU) || !isEmpty ? OS_NORMAL : OS_GREYED);
	}
}

void OrionMenuView::refresh(const Common::Rect &areaRect) {
	// Copy the selected portion of the background
	_sprites->getFrame(0)->copyTo(this, areaRect, areaRect.left, areaRect.top);

	for (MenuObjectsIterator i = _menuObjects.begin(); i != _menuObjects.end(); ++i) {
		MenuObject *obj = *i;
		if (obj->getBounds().intersects(areaRect))
			obj->onRefresh();
	}
}

}