1

/* $Id$ */

     2

     3

#include "../stdafx.h"

     4

#include "../openttd.h"

     5

#include "../functions.h"

     6

#include "../gfx.h"

     7

#include "../macros.h"

     8

#include "../network.h"

     9

#include "../variables.h"

    10

#include "../win32.h"

    11

#include "../window.h"

    12

#include "win32_v.h"

    13

#include <windows.h>

    14

    15

static struct {

    16

	HWND main_wnd;

    17

	HBITMAP dib_sect;

    18

	Pixel *bitmap_bits;

    19

	Pixel *buffer_bits;

    20

	Pixel *alloced_bits;

    21

	HPALETTE gdi_palette;

    22

	int width,height;

    23

	int width_org, height_org;

    24

	bool fullscreen;

    25

	bool double_size;

    26

	bool has_focus;

    27

	bool running;

    28

} _wnd;

    29

    30

bool _force_full_redraw;

    31

bool _double_size;

    32

uint _display_hz;

    33

uint _fullscreen_bpp;

    34

    35

static void MakePalette(void)

    36

{

    37

	LOGPALETTE *pal;

    38

	uint i;

    39

    40

	pal = alloca(sizeof(LOGPALETTE) + (256-1) * sizeof(PALETTEENTRY));

    41

    42

	pal->palVersion = 0x300;

    43

	pal->palNumEntries = 256;

    44

    45

	for (i = 0; i != 256; i++) {

    46

		pal->palPalEntry[i].peRed   = _cur_palette[i].r;

    47

		pal->palPalEntry[i].peGreen = _cur_palette[i].g;

    48

		pal->palPalEntry[i].peBlue  = _cur_palette[i].b;

    49

		pal->palPalEntry[i].peFlags = 0;

    50

    51

	}

    52

	_wnd.gdi_palette = CreatePalette(pal);

    53

	if (_wnd.gdi_palette == NULL)

    54

		error("CreatePalette failed!\n");

    55

}

    56

    57

static void UpdatePalette(HDC dc, uint start, uint count)

    58

{

    59

	RGBQUAD rgb[256];

    60

	uint i;

    61

    62

	for (i = 0; i != count; i++) {

    63

		rgb[i].rgbRed   = _cur_palette[start + i].r;

    64

		rgb[i].rgbGreen = _cur_palette[start + i].g;

    65

		rgb[i].rgbBlue  = _cur_palette[start + i].b;

    66

		rgb[i].rgbReserved = 0;

    67

	}

    68

    69

	SetDIBColorTable(dc, start, count, rgb);

    70

}

    71

    72

typedef struct {

    73

	byte vk_from;

    74

	byte vk_count;

    75

	byte map_to;

    76

} VkMapping;

    77

    78

#define AS(x, z) {x, 0, z}

    79

#define AM(x, y, z, w) {x, y - x, z}

    80

    81

#ifndef VK_OEM_3

    82

#define VK_OEM_3 0xC0

    83

#endif

    84

    85

static const VkMapping _vk_mapping[] = {

    86

	// Pageup stuff + up/down

    87

	AM(VK_PRIOR,VK_DOWN, WKC_PAGEUP, WKC_DOWN),

    88

	// Map letters & digits

    89

	AM('A','Z','A','Z'),

    90

	AM('0','9','0','9'),

    91

    92

	AS(VK_ESCAPE,		WKC_ESC),

    93

	AS(VK_PAUSE, WKC_PAUSE),

    94

	AS(VK_BACK,			WKC_BACKSPACE),

    95

	AM(VK_INSERT,VK_DELETE,WKC_INSERT, WKC_DELETE),

    96

    97

	AS(VK_SPACE,		WKC_SPACE),

    98

	AS(VK_RETURN,		WKC_RETURN),

    99

	AS(VK_TAB,			WKC_TAB),

   100

   101

	// Function keys

   102

	AM(VK_F1, VK_F12,	WKC_F1, WKC_F12),

   103

   104

	// Numeric part.

   105

	// What is the virtual keycode for numeric enter??

   106

	AM(VK_NUMPAD0,VK_NUMPAD9, WKC_NUM_0, WKC_NUM_9),

   107

	AS(VK_DIVIDE,			WKC_NUM_DIV),

   108

	AS(VK_MULTIPLY,		WKC_NUM_MUL),

   109

	AS(VK_SUBTRACT,		WKC_NUM_MINUS),

   110

	AS(VK_ADD,				WKC_NUM_PLUS),

   111

	AS(VK_DECIMAL,		WKC_NUM_DECIMAL)

   112

};

   113

   114

static uint MapWindowsKey(uint sym)

   115

{

   116

	const VkMapping *map;

   117

	uint key = 0;

   118

   119

	for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {

   120

		if ((uint)(sym - map->vk_from) <= map->vk_count) {

   121

			key = sym - map->vk_from + map->map_to;

   122

			break;

   123

		}

   124

	}

   125

   126

	if (GetAsyncKeyState(VK_SHIFT)   < 0) key |= WKC_SHIFT;

   127

	if (GetAsyncKeyState(VK_CONTROL) < 0) key |= WKC_CTRL;

   128

	if (GetAsyncKeyState(VK_MENU)    < 0) key |= WKC_ALT;

   129

	return key;

   130

}

   131

   132

static void MakeWindow(bool full_screen);

   133

static bool AllocateDibSection(int w, int h);

   134

   135

static void ClientSizeChanged(int w, int h)

   136

{

   137

	if (_wnd.double_size) {

   138

		w /= 2;

   139

		h /= 2;

   140

	}

   141

   142

	// allocate new dib section of the new size

   143

	if (AllocateDibSection(w, h)) {

   144

		// mark all palette colors dirty

   145

		_pal_first_dirty = 0;

   146

		_pal_last_dirty = 255;

   147

		GameSizeChanged();

   148

   149

		// redraw screen

   150

		if (_wnd.running) {

   151

			_screen.dst_ptr = _wnd.buffer_bits;

   152

			UpdateWindows();

   153

		}

   154

	}

   155

}

   156

   157

extern void DoExitSave(void);

   158

   159

#ifdef _DEBUG

   160

// Keep this function here..

   161

// It allows you to redraw the screen from within the MSVC debugger

   162

int RedrawScreenDebug(void)

   163

{

   164

	HDC dc,dc2;

   165

	static int _fooctr;

   166

	HBITMAP old_bmp;

   167

	HPALETTE old_palette;

   168

   169

	_screen.dst_ptr = _wnd.buffer_bits;

   170

	UpdateWindows();

   171

   172

	dc = GetDC(_wnd.main_wnd);

   173

	dc2 = CreateCompatibleDC(dc);

   174

   175

	old_bmp = SelectObject(dc2, _wnd.dib_sect);

   176

	old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);

   177

	BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);

   178

	SelectPalette(dc, old_palette, TRUE);

   179

	SelectObject(dc2, old_bmp);

   180

	DeleteDC(dc2);

   181

	ReleaseDC(_wnd.main_wnd, dc);

   182

   183

	return _fooctr++;

   184

}

   185

#endif

   186

   187

static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)

   188

{

   189

	switch (msg) {

   190

	case WM_PAINT: {

   191

		PAINTSTRUCT ps;

   192

		HDC dc,dc2;

   193

		HBITMAP old_bmp;

   194

		HPALETTE old_palette;

   195

		BeginPaint(hwnd, &ps);

   196

		dc = ps.hdc;

   197

		dc2 = CreateCompatibleDC(dc);

   198

		old_bmp = SelectObject(dc2, _wnd.dib_sect);

   199

		old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);

   200

   201

		if (_pal_last_dirty != -1) {

   202

			UpdatePalette(dc2, _pal_first_dirty, _pal_last_dirty - _pal_first_dirty + 1);

   203

			_pal_last_dirty = -1;

   204

		}

   205

   206

		BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);

   207

		SelectPalette(dc, old_palette, TRUE);

   208

		SelectObject(dc2, old_bmp);

   209

		DeleteDC(dc2);

   210

		EndPaint(hwnd, &ps);

   211

		}

   212

		return 0;

   213

   214

	case WM_PALETTECHANGED:

   215

		if ((HWND)wParam == hwnd)

   216

			return 0;

   217

		// FALL THROUGH

   218

	case WM_QUERYNEWPALETTE: {

   219

		HDC hDC = GetWindowDC(hwnd);

   220

		HPALETTE hOldPalette = SelectPalette(hDC, _wnd.gdi_palette, FALSE);

   221

		UINT nChanged = RealizePalette(hDC);

   222

		SelectPalette(hDC, hOldPalette, TRUE);

   223

		ReleaseDC(hwnd, hDC);

   224

		if (nChanged)

   225

			InvalidateRect(hwnd, NULL, FALSE);

   226

		return 0;

   227

	}

   228

   229

	case WM_CLOSE:

   230

		if (_game_mode == GM_MENU) { // do not ask to quit on the main screen

   231

			_exit_game = true;

   232

		} else if (_patches.autosave_on_exit) {

   233

			DoExitSave();

   234

			_exit_game = true;

   235

		} else

   236

			AskExitGame();

   237

   238

		return 0;

   239

   240

	case WM_LBUTTONDOWN:

   241

		SetCapture(hwnd);

   242

		_left_button_down = true;

   243

		return 0;

   244

   245

	case WM_LBUTTONUP:

   246

		ReleaseCapture();

   247

		_left_button_down = false;

   248

		_left_button_clicked = false;

   249

		return 0;

   250

   251

	case WM_RBUTTONDOWN:

   252

		SetCapture(hwnd);

   253

		_right_button_down = true;

   254

		_right_button_clicked = true;

   255

		return 0;

   256

   257

	case WM_RBUTTONUP:

   258

		ReleaseCapture();

   259

		_right_button_down = false;

   260

		return 0;

   261

   262

	case WM_MOUSEMOVE: {

   263

		int x = (int16)LOWORD(lParam);

   264

		int y = (int16)HIWORD(lParam);

   265

		POINT pt;

   266

   267

		if (_wnd.double_size) {

   268

			x /= 2;

   269

			y /= 2;

   270

		}

   271

   272

		if (_cursor.fix_at) {

   273

			int dx = x - _cursor.pos.x;

   274

			int dy = y - _cursor.pos.y;

   275

			if (dx != 0 || dy != 0) {

   276

				_cursor.delta.x += dx;

   277

				_cursor.delta.y += dy;

   278

   279

				pt.x = _cursor.pos.x;

   280

				pt.y = _cursor.pos.y;

   281

   282

				if (_wnd.double_size) {

   283

					pt.x *= 2;

   284

					pt.y *= 2;

   285

				}

   286

				ClientToScreen(hwnd, &pt);

   287

				SetCursorPos(pt.x, pt.y);

   288

			}

   289

		} else {

   290

			_cursor.delta.x += x - _cursor.pos.x;

   291

			_cursor.delta.y += y - _cursor.pos.y;

   292

			_cursor.pos.x = x;

   293

			_cursor.pos.y = y;

   294

			_cursor.dirty = true;

   295

		}

   296

		MyShowCursor(false);

   297

		return 0;

   298

	}

   299

   300

	case WM_KEYDOWN: {

   301

		// this is the rewritten ascii input function

   302

		// it disables windows deadkey handling --> more linux like :D

   303

		unsigned short w = 0;

   304

		int r = 0;

   305

		byte ks[256];

   306

		unsigned int scan = 0;

   307

		uint16 scancode = (( lParam & 0xFF0000 ) >> 16 );

   308

   309

		GetKeyboardState(ks);

   310

		r = ToAscii(wParam, scan, ks, &w, 0);

   311

		if (r == 0) w = 0; // no translation was possible

   312

   313

		_pressed_key = w | MapWindowsKey(wParam) << 16;

   314

   315

		if (scancode == 41)

   316

			_pressed_key = w | WKC_BACKQUOTE << 16;

   317

   318

		if ((_pressed_key >> 16) == ('D' | WKC_CTRL) && !_wnd.fullscreen) {

   319

			_double_size ^= 1;

   320

			_wnd.double_size = _double_size;

   321

			ClientSizeChanged(_wnd.width, _wnd.height);

   322

			MarkWholeScreenDirty();

   323

		}

   324

	} break;

   325

   326

	case WM_SYSKEYDOWN: /* user presses F10 or Alt, both activating the title-menu */

   327

		switch (wParam) {

   328

		case VK_RETURN: case 0x46: /* Full Screen on ALT + ENTER/F(VK_F) */

   329

			ToggleFullScreen(!_wnd.fullscreen);

   330

			return 0;

   331

		case VK_MENU: /* Just ALT */

   332

			return 0; // do nothing

   333

		case VK_F10: /* F10, ignore activation of menu */

   334

			_pressed_key = MapWindowsKey(wParam) << 16;

   335

			return 0;

   336

		default: /* ALT in combination with something else */

   337

			_pressed_key = MapWindowsKey(wParam) << 16;

   338

			break;

   339

		}

   340

		break;

   341

	case WM_NCMOUSEMOVE:

   342

		MyShowCursor(true);

   343

		return 0;

   344

   345

	case WM_SIZE: {

   346

		if (wParam != SIZE_MINIMIZED) {

   347

			ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));

   348

		}

   349

		return 0;

   350

	}

   351

	case WM_SIZING: {

   352

		RECT* r = (RECT*)lParam;

   353

		RECT r2;

   354

		int w, h;

   355

   356

		SetRect(&r2, 0, 0, 0, 0);

   357

		AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);

   358

   359

		w = r->right - r->left - (r2.right - r2.left);

   360

		h = r->bottom - r->top - (r2.bottom - r2.top);

   361

		if (_wnd.double_size) {

   362

			w /= 2;

   363

			h /= 2;

   364

		}

   365

		w = clamp(w, 64, MAX_SCREEN_WIDTH);

   366

		h = clamp(h, 64, MAX_SCREEN_HEIGHT);

   367

		if (_wnd.double_size) {

   368

			w *= 2;

   369

			h *= 2;

   370

		}

   371

		SetRect(&r2, 0, 0, w, h);

   372

   373

		AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);

   374

		w = r2.right - r2.left;

   375

		h = r2.bottom - r2.top;

   376

   377

		switch (wParam) {

   378

		case WMSZ_BOTTOM:

   379

			r->bottom = r->top + h;

   380

			break;

   381

		case WMSZ_BOTTOMLEFT:

   382

			r->bottom = r->top + h;

   383

			r->left = r->right - w;

   384

			break;

   385

		case WMSZ_BOTTOMRIGHT:

   386

			r->bottom = r->top + h;

   387

			r->right = r->left + w;

   388

			break;

   389

		case WMSZ_LEFT:

   390

			r->left = r->right - w;

   391

			break;

   392

		case WMSZ_RIGHT:

   393

			r->right = r->left + w;

   394

			break;

   395

		case WMSZ_TOP:

   396

			r->top = r->bottom - h;

   397

			break;

   398

		case WMSZ_TOPLEFT:

   399

			r->top = r->bottom - h;

   400

			r->left = r->right - w;

   401

			break;

   402

		case WMSZ_TOPRIGHT:

   403

			r->top = r->bottom - h;

   404

			r->right = r->left + w;

   405

			break;

   406

		}

   407

		return TRUE;

   408

	}

   409

   410

// needed for wheel

   411

#if !defined(WM_MOUSEWHEEL)

   412

# define WM_MOUSEWHEEL                   0x020A

   413

#endif  //WM_MOUSEWHEEL

   414

#if !defined(GET_WHEEL_DELTA_WPARAM)

   415

# define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD(wparam))

   416

#endif  //GET_WHEEL_DELTA_WPARAM

   417

   418

	case WM_MOUSEWHEEL: {

   419

		int delta = GET_WHEEL_DELTA_WPARAM(wParam);

   420

   421

		if (delta < 0) {

   422

			_cursor.wheel++;

   423

		} else if (delta > 0) {

   424

			_cursor.wheel--;

   425

		}

   426

		return 0;

   427

	}

   428

   429

	case WM_ACTIVATEAPP:

   430

		_wnd.has_focus = (bool)wParam;

   431

		break;

   432

	}

   433

	return DefWindowProc(hwnd, msg, wParam, lParam);

   434

}

   435

   436

static void RegisterWndClass(void)

   437

{

   438

	static bool registered;

   439

	if (!registered) {

   440

		HINSTANCE hinst = GetModuleHandle(NULL);

   441

		WNDCLASS wnd = {

   442

			0,

   443

			WndProcGdi,

   444

			0,

   445

			0,

   446

			hinst,

   447

			LoadIcon(hinst, MAKEINTRESOURCE(100)),

   448

			LoadCursor(NULL, IDC_ARROW),

   449

			0,

   450

			0,

   451

			"OTTD"

   452

		};

   453

		registered = true;

   454

		if (!RegisterClass(&wnd))

   455

			error("RegisterClass failed");

   456

	}

   457

}

   458

   459

extern const char _openttd_revision[];

   460

   461

static void MakeWindow(bool full_screen)

   462

{

   463

	_fullscreen = full_screen;

   464

   465

	_wnd.double_size = _double_size && !full_screen;

   466

   467

	// recreate window?

   468

	if ((full_screen || _wnd.fullscreen) && _wnd.main_wnd) {

   469

		DestroyWindow(_wnd.main_wnd);

   470

		_wnd.main_wnd = 0;

   471

	}

   472

   473

	if (full_screen) {

   474

		DEVMODE settings;

   475

		memset(&settings, 0, sizeof(DEVMODE));

   476

		settings.dmSize = sizeof(DEVMODE);

   477

		settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;

   478

   479

		if (_fullscreen_bpp) {

   480

			settings.dmBitsPerPel = _fullscreen_bpp;

   481

			settings.dmFields |= DM_BITSPERPEL;

   482

		}

   483

		settings.dmPelsWidth = _wnd.width_org;

   484

		settings.dmPelsHeight = _wnd.height_org;

   485

		settings.dmDisplayFrequency = _display_hz;

   486

		if (settings.dmDisplayFrequency != 0)

   487

			settings.dmFields |= DM_DISPLAYFREQUENCY;

   488

		if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) {

   489

			MakeWindow(false);

   490

			return;

   491

		}

   492

	} else if (_wnd.fullscreen) {

   493

		// restore display?

   494

		ChangeDisplaySettings(NULL, 0);

   495

	}

   496

   497

	{

   498

		RECT r;

   499

		uint style;

   500

		int x, y, w, h;

   501

   502

		_wnd.fullscreen = full_screen;

   503

		if (_wnd.fullscreen) {

   504

			style = WS_POPUP | WS_VISIBLE;

   505

			SetRect(&r, 0, 0, _wnd.width_org, _wnd.height_org);

   506

		} else {

   507

			style = WS_OVERLAPPEDWINDOW | WS_VISIBLE;

   508

			SetRect(&r, 0, 0, _wnd.width, _wnd.height);

   509

		}

   510

   511

		AdjustWindowRect(&r, style, FALSE);

   512

		w = r.right - r.left;

   513

		h = r.bottom - r.top;

   514

		x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;

   515

		y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;

   516

   517

		if (_wnd.main_wnd) {

   518

			SetWindowPos(_wnd.main_wnd, 0, x, y, w, h, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);

   519

		} else {

   520

			char Windowtitle[50];

   521

   522

			snprintf(Windowtitle, lengthof(Windowtitle), "OpenTTD %s", _openttd_revision);

   523

   524

			_wnd.main_wnd = CreateWindow("OTTD", Windowtitle, style, x, y, w, h, 0, 0, GetModuleHandle(NULL), 0);

   525

			if (_wnd.main_wnd == NULL)

   526

				error("CreateWindow failed");

   527

		}

   528

	}