1

#include "stdafx.h"

     2

#include "openttd.h"

     3

#include "table/sprites.h"

     4

#include "table/strings.h"

     5

#include "window.h"

     6

#include "gfx.h"

     7

#include "viewport.h"

     8

     9

static Point HandleScrollbarHittest(Scrollbar *sb, int top, int bottom)

    10

{

    11

	Point pt;

    12

	int height, count, pos, cap;

    13

    14

	top += 10;

    15

	bottom -= 9;

    16

    17

	height = (bottom - top);

    18

    19

	pos = sb->pos;

    20

	count = sb->count;

    21

	cap = sb->cap;

    22

    23

	if (count != 0) top += height * pos / count;

    24

    25

	if (cap > count) cap = count;

    26

	if (count != 0)

    27

		bottom -= (count - pos - cap) * height / count;

    28

    29

	pt.x = top;

    30

	pt.y = bottom - 1;

    31

	return pt;

    32

}

    33

    34

/*****************************************************

    35

 * Special handling for the scrollbar widget type.

    36

 * Handles the special scrolling buttons and other

    37

 * scrolling.

    38

 * Parameters:

    39

 *   w   - Window.

    40

 *   wi  - Pointer to the scrollbar widget.

    41

 *   x   - The X coordinate of the mouse click.

    42

 *   y   - The Y coordinate of the mouse click.

    43

 */

    44

    45

void ScrollbarClickHandler(Window *w, const Widget *wi, int x, int y)

    46

{

    47

	int mi, ma, pos;

    48

	Scrollbar *sb;

    49

    50

	switch (wi->type) {

    51

		case WWT_SCROLLBAR: {

    52

			// vertical scroller

    53

			w->flags4 &= ~WF_HSCROLL;

    54

			w->flags4 &= ~WF_SCROLL2;

    55

			mi = wi->top;

    56

			ma = wi->bottom;

    57

			pos = y;

    58

			sb = &w->vscroll;

    59

			break;

    60

		}

    61

		case WWT_SCROLL2BAR: {

    62

			// 2nd vertical scroller

    63

			w->flags4 &= ~WF_HSCROLL;

    64

			w->flags4 |= WF_SCROLL2;

    65

			mi = wi->top;

    66

			ma = wi->bottom;

    67

			pos = y;

    68

			sb = &w->vscroll2;

    69

			break;

    70

		}

    71

		case  WWT_HSCROLLBAR: {

    72

			// horizontal scroller

    73

			w->flags4 &= ~WF_SCROLL2;

    74

			w->flags4 |= WF_HSCROLL;

    75

			mi = wi->left;

    76

			ma = wi->right;

    77

			pos = x;

    78

			sb = &w->hscroll;

    79

			break;

    80

		}

    81

		default: return; //this should never happen

    82

	}

    83

	if (pos <= mi+9) {

    84

		// Pressing the upper button?

    85

		if (!_demo_mode) {

    86

			w->flags4 |= WF_SCROLL_UP;

    87

			if (_scroller_click_timeout == 0) {

    88

				_scroller_click_timeout = 6;

    89

				if (sb->pos != 0) sb->pos--;

    90

			}

    91

			_left_button_clicked = false;

    92

		}

    93

	} else if (pos >= ma-10) {

    94

		// Pressing the lower button?

    95

		if (!_demo_mode) {

    96

			w->flags4 |= WF_SCROLL_DOWN;

    97

    98

			if (_scroller_click_timeout == 0) {

    99

				_scroller_click_timeout = 6;

   100

				if ((byte)(sb->pos + sb->cap) < sb->count)

   101

					sb->pos++;

   102

			}

   103

			_left_button_clicked = false;

   104

		}

   105

	} else {

   106

		//

   107

		Point pt = HandleScrollbarHittest(sb, mi, ma);

   108

   109

		if (pos < pt.x) {

   110

			sb->pos = max(sb->pos - sb->cap, 0);

   111

		} else if (pos > pt.y) {

   112

			sb->pos = min(

   113

				sb->pos + sb->cap,

   114

				max(sb->count - sb->cap, 0)

   115

			);

   116

		} else {

   117

			_scrollbar_start_pos = pt.x - mi - 9;

   118

			_scrollbar_size = ma - mi - 23;

   119

			w->flags4 |= WF_SCROLL_MIDDLE;

   120

			_scrolling_scrollbar = true;

   121

			_cursorpos_drag_start = _cursor.pos;

   122

		}

   123

	}

   124

   125

	SetWindowDirty(w);

   126

}

   127

   128

/** Returns the index for the widget located at the given position

   129

 * relative to the window. It includes all widget-corner pixels as well.

   130

 * @param *w Window to look inside

   131

 * @param  x,y Window client coordinates

   132

 * @return A widget index, or -1 if no widget was found.

   133

 */

   134

int GetWidgetFromPos(Window *w, int x, int y)

   135

{

   136

	const Widget *wi;

   137

	int index, found_index = -1;

   138

   139

	// Go through the widgets and check if we find the widget that the coordinate is

   140

	// inside.

   141

	for (index = 0,wi = w->widget; wi->type != WWT_LAST; index++, wi++) {

   142

		if (wi->type == WWT_EMPTY || wi->type == WWT_FRAME)

   143

			continue;

   144

   145

		if (x >= wi->left && x <= wi->right && y >= wi->top &&  y <= wi->bottom &&

   146

				!HASBIT(w->hidden_state,index)) {

   147

				found_index = index;

   148

		}

   149

	}

   150

   151

	return found_index;

   152

}

   153

   154

   155

void DrawWindowWidgets(Window *w)

   156

{

   157

	const Widget *wi;

   158

	DrawPixelInfo *dpi = _cur_dpi;

   159

	Rect r;

   160

	uint32 dparam_backup[20];

   161

	uint32 cur_click, cur_disabled, cur_hidden;

   162

   163

	if (w->desc_flags & WDF_RESTORE_DPARAM)

   164

		COPY_OUT_DPARAM(dparam_backup, 0, lengthof(dparam_backup));

   165

   166

	wi = w->widget;

   167

   168

	cur_click = w->click_state;

   169

	cur_disabled = w->disabled_state;

   170

	cur_hidden = w->hidden_state;

   171

   172

	do {

   173

		bool clicked = (cur_click & 1);

   174

   175

		if (dpi->left > (r.right=/*w->left + */wi->right) ||

   176

		    dpi->left + dpi->width <= (r.left=wi->left/* + w->left*/) ||

   177

				dpi->top > (r.bottom=/*w->top +*/ wi->bottom) ||

   178

				dpi->top + dpi->height <= (r.top = /*w->top +*/ wi->top) ||

   179

				(cur_hidden&1))

   180

					continue;

   181

   182

		switch (wi->type & WWT_MASK) {

   183

		case WWT_PANEL: /* WWT_IMGBTN */

   184

		case WWT_PANEL_2: {

   185

			int img;

   186

   187

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   188

   189

			if ((img = wi->unkA) != 0) { // has an image

   190

				if ((wi->type & WWT_MASK) == WWT_PANEL_2 && clicked) img++; // show diff image when clicked

   191

   192

				DrawSprite(img, r.left + 1 + clicked, r.top + 1 + clicked);

   193

			}

   194

			goto draw_default;

   195

		}

   196

   197

		case WWT_CLOSEBOX: /* WWT_TEXTBTN */

   198

		case WWT_4: {

   199

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   200

			}

   201

		/* fall through */

   202

   203

		case WWT_5: {

   204

			StringID str = wi->unkA;

   205

   206

			if ((wi->type&WWT_MASK) == WWT_4 && clicked) str++;

   207

   208

			DrawStringCentered(((r.left + r.right + 1) >> 1) + clicked, ((r.top + r.bottom + 1) >> 1) - 5 + clicked, str, 0);

   209

			//DrawStringCentered((r.left + r.right+1)>>1, ((r.top+r.bottom + 1)>>1) - 5, str, 0);

   210

			goto restore_dparam;

   211

		}

   212

   213

		case WWT_6: {

   214

			StringID str;

   215

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_LOWERED | FR_DARKENED);

   216

   217

			if ((str = wi->unkA) != 0) {

   218

				DrawString(r.left+2, r.top+1, str, 0);

   219

				goto restore_dparam;

   220

			}

   221

			goto draw_default;

   222

		}

   223

   224

		case WWT_MATRIX: {

   225

			int c, d, ctr;

   226

			int x, amt1, amt2;

   227

			int color;

   228

   229

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   230

   231

			c = (wi->unkA&0xFF);

   232

			amt1 = (wi->right - wi->left + 1) / c;

   233

   234

			d = (wi->unkA >> 8);

   235

			amt2 = (wi->bottom - wi->top + 1) / d;

   236

   237

			color = _color_list[wi->color&0xF].window_color_bgb;

   238

   239

			x = r.left;

   240

			for(ctr=c; --ctr; ) {

   241

				x += amt1;

   242

				GfxFillRect(x, r.top+1, x, r.bottom-1, color);

   243

			}

   244

   245

			x = r.top;

   246

			for(ctr=d; --ctr; ) {

   247

				x += amt2;

   248

				GfxFillRect(r.left+1, x, r.right-1, x, color);

   249

			}

   250

   251

			color = _color_list[wi->color&0xF].window_color_1b;

   252

   253

			x = r.left-1;

   254

			for(ctr=c; --ctr; ) {

   255

				x += amt1;

   256

				GfxFillRect(x, r.top+1, x, r.bottom-1, color);

   257

			}

   258

   259

			x = r.top-1;

   260

			for(ctr=d; --ctr; ) {

   261

				x += amt2;

   262

				GfxFillRect(r.left+1, x, r.right-1, x, color);

   263

			}

   264

   265

			goto draw_default;

   266

		}

   267

   268

		// vertical scrollbar

   269

		case WWT_SCROLLBAR: {

   270

			Point pt;

   271

			int c1,c2;

   272

   273

			assert(r.right - r.left == 11); // XXX - to ensure the same sizes are used everywhere!

   274

   275

			// draw up/down buttons

   276

			clicked = !!((w->flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_UP);

   277

			DrawFrameRect(r.left, r.top, r.right, r.top + 9, wi->color, (clicked) ? FR_LOWERED : 0);

   278

			DoDrawString("\xA0", r.left + 2 + clicked, r.top + clicked, 0x10);

   279

   280

			clicked = !!(((w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_DOWN));

   281

			DrawFrameRect(r.left, r.bottom - 9, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   282

			DoDrawString("\xAA", r.left + 2 + clicked, r.bottom - 9 + clicked, 0x10);

   283

   284

			c1 = _color_list[wi->color&0xF].window_color_1a;

   285

			c2 = _color_list[wi->color&0xF].window_color_2;

   286

   287

			// draw "shaded" background

   288

			GfxFillRect(r.left, r.top+10, r.right, r.bottom-10, c2);

   289

			GfxFillRect(r.left, r.top+10, r.right, r.bottom-10, c1 | 0x8000);

   290

   291

			// draw shaded lines

   292

			GfxFillRect(r.left+2, r.top+10, r.left+2, r.bottom-10, c1);

   293

			GfxFillRect(r.left+3, r.top+10, r.left+3, r.bottom-10, c2);

   294

			GfxFillRect(r.left+7, r.top+10, r.left+7, r.bottom-10, c1);

   295

			GfxFillRect(r.left+8, r.top+10, r.left+8, r.bottom-10, c2);

   296

   297

			pt = HandleScrollbarHittest(&w->vscroll, r.top, r.bottom);

   298

			DrawFrameRect(r.left, pt.x, r.right, pt.y, wi->color, (w->flags4 & (WF_SCROLL_MIDDLE | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_MIDDLE ? FR_LOWERED : 0);

   299

			break;

   300

		}

   301

		case WWT_SCROLL2BAR: {

   302

			Point pt;

   303

			int c1,c2;

   304

   305

			assert(r.right - r.left == 11); // XXX - to ensure the same sizes are used everywhere!

   306

   307

			// draw up/down buttons

   308

			clicked = !!((w->flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_UP | WF_SCROLL2));

   309

			DrawFrameRect(r.left, r.top, r.right, r.top + 9, wi->color,  (clicked) ? FR_LOWERED : 0);

   310

			DoDrawString("\xA0", r.left + 2 + clicked, r.top + clicked, 0x10);

   311

   312

			clicked = !!((w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_DOWN | WF_SCROLL2));

   313

			DrawFrameRect(r.left, r.bottom - 9, r.right, r.bottom, wi->color,  (clicked) ? FR_LOWERED : 0);

   314

			DoDrawString("\xAA", r.left + 2 + clicked, r.bottom - 9 + clicked, 0x10);

   315

   316

			c1 = _color_list[wi->color&0xF].window_color_1a;

   317

			c2 = _color_list[wi->color&0xF].window_color_2;

   318

   319

			// draw "shaded" background

   320

			GfxFillRect(r.left, r.top+10, r.right, r.bottom-10, c2);

   321

			GfxFillRect(r.left, r.top+10, r.right, r.bottom-10, c1 | 0x8000);

   322

   323

			// draw shaded lines

   324

			GfxFillRect(r.left+2, r.top+10, r.left+2, r.bottom-10, c1);

   325

			GfxFillRect(r.left+3, r.top+10, r.left+3, r.bottom-10, c2);

   326

			GfxFillRect(r.left+7, r.top+10, r.left+7, r.bottom-10, c1);

   327

			GfxFillRect(r.left+8, r.top+10, r.left+8, r.bottom-10, c2);

   328

   329

			pt = HandleScrollbarHittest(&w->vscroll2, r.top, r.bottom);

   330

			DrawFrameRect(r.left, pt.x, r.right, pt.y, wi->color, (w->flags4 & (WF_SCROLL_MIDDLE | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_MIDDLE | WF_SCROLL2) ? FR_LOWERED : 0);

   331

			break;

   332

		}

   333

   334

		// horizontal scrollbar

   335

		case WWT_HSCROLLBAR: {

   336

			Point pt;

   337

			int c1,c2;

   338

   339

			assert(r.bottom - r.top == 11); // XXX - to ensure the same sizes are used everywhere!

   340

   341

			clicked = !!((w->flags4 & (WF_SCROLL_UP | WF_HSCROLL)) == (WF_SCROLL_UP | WF_HSCROLL));

   342

			DrawFrameRect(r.left, r.top, r.left + 9, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   343

			DrawSprite(SPR_ARROW_LEFT, r.left + 1 + clicked, r.top + 1 + clicked);

   344

   345

			clicked = !!((w->flags4 & (WF_SCROLL_DOWN | WF_HSCROLL)) == (WF_SCROLL_DOWN | WF_HSCROLL));

   346

			DrawFrameRect(r.right-9, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   347

			DrawSprite(SPR_ARROW_RIGHT, r.right - 8 + clicked, r.top + 1 + clicked);

   348

   349

			c1 = _color_list[wi->color&0xF].window_color_1a;

   350

			c2 = _color_list[wi->color&0xF].window_color_2;

   351

   352

			// draw "shaded" background

   353

			GfxFillRect(r.left+10, r.top, r.right-10, r.bottom, c2);

   354

			GfxFillRect(r.left+10, r.top, r.right-10, r.bottom, c1 | 0x8000);

   355

   356

			// draw shaded lines

   357

			GfxFillRect(r.left+10, r.top+2, r.right-10, r.top+2, c1);

   358

			GfxFillRect(r.left+10, r.top+3, r.right-10, r.top+3, c2);

   359

			GfxFillRect(r.left+10, r.top+7, r.right-10, r.top+7, c1);

   360

			GfxFillRect(r.left+10, r.top+8, r.right-10, r.top+8, c2);

   361

   362

			// draw actual scrollbar

   363

			pt = HandleScrollbarHittest(&w->hscroll, r.left, r.right);

   364

			DrawFrameRect(pt.x, r.top, pt.y, r.bottom, wi->color, (w->flags4 & (WF_SCROLL_MIDDLE | WF_HSCROLL)) == (WF_SCROLL_MIDDLE | WF_HSCROLL) ? FR_LOWERED : 0);

   365

   366

			break;

   367

		}

   368

   369

		case WWT_FRAME: {

   370

			int c1,c2;

   371

			int x2 = r.left; // by default the left side is the left side of the widget

   372

   373

			if (wi->unkA != 0) {

   374

				x2 = DrawString(r.left+6, r.top, wi->unkA, 0);

   375

			}

   376

   377

			c1 = _color_list[wi->color].window_color_1a;

   378

			c2 = _color_list[wi->color].window_color_2;

   379

   380

			//Line from upper left corner to start of text

   381

			GfxFillRect(r.left, r.top+4, r.left+4,r.top+4, c1);

   382

			GfxFillRect(r.left+1, r.top+5, r.left+4,r.top+5, c2);

   383

   384

			// Line from end of text to upper right corner

   385

			GfxFillRect(x2, r.top+4, r.right-1,r.top+4,c1);

   386

			GfxFillRect(x2, r.top+5, r.right-2,r.top+5,c2);

   387

   388

			// Line from upper left corner to bottom left corner

   389

			GfxFillRect(r.left, r.top+5, r.left, r.bottom-1, c1);

   390

			GfxFillRect(r.left+1, r.top+6, r.left+1, r.bottom-2, c2);

   391

   392

			//Line from upper right corner to bottom right corner

   393

			GfxFillRect(r.right-1, r.top+5, r.right-1, r.bottom-2, c1);

   394

			GfxFillRect(r.right, r.top+4, r.right, r.bottom-1, c2);

   395

   396

			GfxFillRect(r.left+1, r.bottom-1, r.right-1, r.bottom-1, c1);

   397

			GfxFillRect(r.left, r.bottom, r.right, r.bottom, c2);

   398

   399

			goto restore_dparam;

   400

		}

   401

   402

		case WWT_STICKYBOX: {

   403

			assert(r.right - r.left == 11); // XXX - to ensure the same sizes are used everywhere!

   404

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   405

			DrawSprite((clicked) ? SPR_PIN_UP : SPR_PIN_DOWN, r.left + 2 + clicked, r.top + 3 + clicked);

   406

			break;

   407

		}

   408

   409

		case WWT_RESIZEBOX: {

   410

			assert(r.right - r.left == 11); // XXX - to ensure the same sizes are used everywhere!

   411

   412

			clicked = !!(w->flags4 & WF_SIZING);

   413

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, (clicked) ? FR_LOWERED : 0);

   414

			DrawSprite(SPR_WINDOW_RESIZE, r.left + 3 + clicked, r.top + 3 + clicked);

   415

			break;

   416

		}

   417

   418

		case WWT_CAPTION: {

   419

			assert(r.bottom - r.top == 13); // XXX - to ensure the same sizes are used everywhere!

   420

			DrawFrameRect(r.left, r.top, r.right, r.bottom, wi->color, FR_BORDERONLY);

   421

			DrawFrameRect(r.left+1, r.top+1, r.right-1, r.bottom-1, wi->color, (w->caption_color == 0xFF) ? FR_LOWERED | FR_DARKENED : FR_LOWERED | FR_DARKENED | FR_BORDERONLY);

   422

   423

			if (w->caption_color != 0xFF) {

   424

				GfxFillRect(r.left+2, r.top+2, r.right-2, r.bottom-2, _color_list[_player_colors[w->caption_color]].window_color_1b);

   425

			}

   426

   427

			DrawStringCentered( (r.left+r.right+1)>>1, r.top+2, wi->unkA, 0x84);

   428

restore_dparam:;

   429

			if (w->desc_flags & WDF_RESTORE_DPARAM)

   430

				COPY_IN_DPARAM(0, dparam_backup, lengthof(dparam_backup));

   431

draw_default:;

   432

			if (cur_disabled & 1) {

   433

				GfxFillRect(r.left+1, r.top+1, r.right-1, r.bottom-1, _color_list[wi->color&0xF].unk2 | 0x8000);

   434

			}

   435

		}

   436

		}

   437

	} while (cur_click>>=1, cur_disabled>>=1, cur_hidden >>= 1, (++wi)->type != WWT_LAST);

   438

   439

   440

	if (w->flags4 & WF_WHITE_BORDER_MASK) {

   441

		//DrawFrameRect(w->left, w->top, w->left + w->width-1, w->top+w->height-1, 0xF, 0x10);

   442

		DrawFrameRect(0, 0, w->width-1, w->height-1, 0xF, FR_BORDERONLY);

   443

	}

   444

   445

}

   446

   447

static uint _dropdown_item_count;

   448

static uint32 _dropdown_disabled;

   449

static bool _dropdown_hide_disabled;

   450

static const StringID *_dropdown_items;

   451

static int _dropdown_selindex;

   452

static byte _dropdown_button;

   453

static WindowClass _dropdown_windowclass;

   454

static WindowNumber _dropdown_windownum;

   455

static byte _dropdown_var1;

   456

static byte _dropdown_var2;

   457

static uint32 _dropdown_disabled_items;

   458

   459

static const Widget _dropdown_menu_widgets[] = {

   460

{     WWT_IMGBTN,   RESIZE_NONE,     0,     0, 0,     0, 0, 0x0, STR_NULL},

   461

{   WIDGETS_END},

   462

};

   463

   464

static int GetDropdownItem(Window *w)

   465

{

   466

	uint item;

   467

	int y;

   468

   469

	if (GetWidgetFromPos(w, _cursor.pos.x - w->left, _cursor.pos.y - w->top) < 0)

   470

		return -1;

   471

   472

	y = _cursor.pos.y - w->top - 2;

   473

   474

	if (y < 0)

   475

		return - 1;

   476

   477

	item = y / 10;

   478

	if (item >= _dropdown_item_count || (HASBIT(_dropdown_disabled,item) && !_dropdown_disabled_items) || _dropdown_items[item] == 0)

   479

		return - 1;

   480

   481

	return item;

   482

}

   483

   484

static void DropdownMenuWndProc(Window *w, WindowEvent *e)

   485

{

   486

	int item;

   487

   488

	switch(e->event) {

   489

		case WE_PAINT: {

   490

			int x,y,i,sel;

   491

   492

			DrawWindowWidgets(w);

   493

   494

			x = 1;

   495

			y = 2;

   496

			sel    = _dropdown_selindex;

   497

   498

			for(i=0; _dropdown_items[i] != INVALID_STRING_ID; i++) {

   499

				if (HASBIT(_dropdown_disabled_items, i)) {

   500

					sel--;

   501

					continue;

   502

				}

   503

				if (_dropdown_items[i] != 0) {

   504

					if (sel == 0) {

   505

						GfxFillRect(x+1, y, x+w->width-4, y + 9, 0);