1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "functions.h"

     6

#include "player.h"

     7

#include "table/sprites.h"

     8

#include "table/strings.h"

     9

#include "window.h"

    10

#include "gfx.h"

    11

#include "viewport.h"

    12

    13

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

    14

{

    15

	Point pt;

    16

	int height, count, pos, cap;

    17

    18

	top += 10;

    19

	bottom -= 9;

    20

    21

	height = (bottom - top);

    22

    23

	pos = sb->pos;

    24

	count = sb->count;

    25

	cap = sb->cap;

    26

    27

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

    28

    29

	if (cap > count) cap = count;

    30

	if (count != 0) bottom -= (count - pos - cap) * height / count;

    31

    32

	pt.x = top;

    33

	pt.y = bottom - 1;

    34

	return pt;

    35

}

    36

    37

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

    38

 * Special handling for the scrollbar widget type.

    39

 * Handles the special scrolling buttons and other

    40

 * scrolling.

    41

 * Parameters:

    42

 *   wi  - Pointer to the scrollbar widget.

    43

 *   x   - The X coordinate of the mouse click.

    44

 *   y   - The Y coordinate of the mouse click.

    45

 */

    46

    47

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

    48

{

    49

	int mi, ma, pos;

    50

	Scrollbar *sb;

    51

    52

	switch (wi->type) {

    53

		case WWT_SCROLLBAR: {

    54

			// vertical scroller

    55

			flags4 &= ~WF_HSCROLL;

    56

			flags4 &= ~WF_SCROLL2;

    57

			mi = wi->top;

    58

			ma = wi->bottom;

    59

			pos = y;

    60

			sb = &vscroll;

    61

			break;

    62

		}

    63

		case WWT_SCROLL2BAR: {

    64

			// 2nd vertical scroller

    65

			flags4 &= ~WF_HSCROLL;

    66

			flags4 |= WF_SCROLL2;

    67

			mi = wi->top;

    68

			ma = wi->bottom;

    69

			pos = y;

    70

			sb = &vscroll2;

    71

			break;

    72

		}

    73

		case  WWT_HSCROLLBAR: {

    74

			// horizontal scroller

    75

			flags4 &= ~WF_SCROLL2;

    76

			flags4 |= WF_HSCROLL;

    77

			mi = wi->left;

    78

			ma = wi->right;

    79

			pos = x;

    80

			sb = &hscroll;

    81

			break;

    82

		}

    83

		default: return; //this should never happen

    84

	}

    85

	if (pos <= mi+9) {

    86

		// Pressing the upper button?

    87

		flags4 |= WF_SCROLL_UP;

    88

		if (_scroller_click_timeout == 0) {

    89

			_scroller_click_timeout = 6;

    90

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

    91

		}

    92

		_left_button_clicked = false;

    93

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

    94

		// Pressing the lower button?

    95

		flags4 |= WF_SCROLL_DOWN;

    96

    97

		if (_scroller_click_timeout == 0) {

    98

			_scroller_click_timeout = 6;

    99

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

   100

				sb->pos++;

   101

		}

   102

		_left_button_clicked = false;

   103

	} else {

   104

		//

   105

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

   106

   107

		if (pos < pt.x) {

   108

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

   109

		} else if (pos > pt.y) {

   110

			sb->pos = min(

   111

				sb->pos + sb->cap,

   112

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

   113

			);

   114

		} else {

   115

			_scrollbar_start_pos = pt.x - mi - 9;

   116

			_scrollbar_size = ma - mi - 23;

   117

			flags4 |= WF_SCROLL_MIDDLE;

   118

			_scrolling_scrollbar = true;

   119

			_cursorpos_drag_start = _cursor.pos;

   120

		}

   121

	}

   122

   123

	this->SetDirty();

   124

}

   125

   126

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

   127

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

   128

 * @param  x,y Window client coordinates

   129

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

   130

 */

   131

int Window::GetWidgetFromPos(int x, int y) const

   132

{

   133

	uint index;

   134

	int found_index = -1;

   135

   136

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

   137

	// inside.

   138

	for (index = 0; index < widget_count; index++) {

   139

		const Widget *wi = &widget[index];

   140

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

   141

   142

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

   144

			found_index = index;

   145

		}

   146

	}

   147

   148

	return found_index;

   149

}

   150

   151

   152

void DrawFrameRect(int left, int top, int right, int bottom, int ctab, FrameFlags flags)

   153

{

   154

	uint dark         = _colour_gradient[ctab][3];

   155

	uint medium_dark  = _colour_gradient[ctab][5];

   156

	uint medium_light = _colour_gradient[ctab][6];

   157

	uint light        = _colour_gradient[ctab][7];

   158

   159

	if (flags & FR_TRANSPARENT) {

   160

		GfxFillRect(left, top, right, bottom, PALETTE_TO_TRANSPARENT | (1 << USE_COLORTABLE));

   161

	} else {

   162

		uint interior;

   163

   164

		if (flags & FR_LOWERED) {

   165

			GfxFillRect(left,     top,     left,  bottom,     dark);

   166

			GfxFillRect(left + 1, top,     right, top,        dark);

   167

			GfxFillRect(right,    top + 1, right, bottom - 1, light);

   168

			GfxFillRect(left + 1, bottom,  right, bottom,     light);

   169

			interior = (flags & FR_DARKENED ? medium_dark : medium_light);

   170

		} else {

   171

			GfxFillRect(left,     top,    left,      bottom - 1, light);

   172

			GfxFillRect(left + 1, top,    right - 1, top,        light);

   173

			GfxFillRect(right,    top,    right,     bottom - 1, dark);

   174

			GfxFillRect(left,     bottom, right,     bottom,     dark);

   175

			interior = medium_dark;

   176

		}

   177

		if (!(flags & FR_BORDERONLY)) {

   178

			GfxFillRect(left + 1, top + 1, right - 1, bottom - 1, interior);

   179

		}

   180

	}

   181

}

   182

   183

   184

void Window::DrawWidgets() const

   185

{

   186

	const DrawPixelInfo* dpi = _cur_dpi;

   187

	Rect r;

   188

	uint i;

   189

   190

	for (i = 0; i < widget_count; i++) {

   191

		const Widget *wi = &widget[i];

   192

		bool clicked = IsWindowWidgetLowered(this, i);

   193

   194

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

   195

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

   196

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

   197

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

   199

			continue;

   200

		}

   201

   202

		switch (wi->type & WWT_MASK) {

   203

		case WWT_IMGBTN:

   204

		case WWT_IMGBTN_2: {

   205

			int img = wi->data;

   206

			assert(img != 0);

   207

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

   208

   209

			/* show different image when clicked for WWT_IMGBTN_2 */

   210

			if ((wi->type & WWT_MASK) == WWT_IMGBTN_2 && clicked) img++;

   211

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

   212

			goto draw_default;

   213

		}

   214

   215

		case WWT_PANEL: {

   216

			assert(wi->data == 0);

   217

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

   218

			goto draw_default;

   219

		}

   220

   221

		case WWT_TEXTBTN:

   222

		case WWT_TEXTBTN_2: {

   223

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

   224

			}

   225

		/* fall through */

   226

   227

		case WWT_LABEL: {

   228

			StringID str = wi->data;

   229

   230

			if ((wi->type & WWT_MASK) == WWT_TEXTBTN_2 && clicked) str++;

   231

   232

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

   233

			goto draw_default;

   234

		}

   235

   236

		case WWT_INSET: {

   237

			StringID str = wi->data;

   238

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

   239

   240

			if (str != STR_NULL) DrawStringTruncated(r.left + 2, r.top + 1, str, 0, r.right - r.left - 10);

   241

			goto draw_default;

   242

		}

   243

   244

		case WWT_MATRIX: {

   245

			int c, d, ctr;

   246

			int x, amt1, amt2;

   247

			int color;

   248

   249

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

   250

   251

			c = GB(wi->data, 0, 8);

   252

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

   253

   254

			d = GB(wi->data, 8, 8);

   255

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

   256

   257

			color = _colour_gradient[wi->color & 0xF][6];

   258

   259

			x = r.left;

   260

			for (ctr = c; ctr > 1; ctr--) {

   261

				x += amt1;

   262

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

   263

			}

   264

   265

			x = r.top;

   266

			for (ctr = d; ctr > 1; ctr--) {

   267

				x += amt2;

   268

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

   269

			}

   270

   271

			color = _colour_gradient[wi->color&0xF][4];

   272

   273

			x = r.left - 1;

   274

			for (ctr = c; ctr > 1; ctr--) {

   275

				x += amt1;

   276

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

   277

			}

   278

   279

			x = r.top - 1;

   280

			for (ctr = d; ctr > 1; ctr--) {

   281

				x += amt2;

   282

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

   283

			}

   284

   285

			goto draw_default;

   286

		}

   287

   288

		// vertical scrollbar

   289

		case WWT_SCROLLBAR: {

   290

			Point pt;

   291

			int c1,c2;

   292

   293

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

   294

   295

			// draw up/down buttons

   296

			clicked = ((flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_UP);

   297

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

   298

			DoDrawString(UPARROW, r.left + 2 + clicked, r.top + clicked, 0x10);

   299

   300

			clicked = (((flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == WF_SCROLL_DOWN));

   301

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

   302

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

   303

   304

			c1 = _colour_gradient[wi->color&0xF][3];

   305

			c2 = _colour_gradient[wi->color&0xF][7];

   306

   307

			// draw "shaded" background

   308

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

   309

			GfxFillRect(r.left, r.top+10, r.right, r.bottom-10, c1 | (1 << PALETTE_MODIFIER_GREYOUT));

   310

   311

			// draw shaded lines

   312

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

   313

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

   314

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

   315

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

   316

   317

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

   318

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

   319

			break;

   320

		}

   321

		case WWT_SCROLL2BAR: {

   322

			Point pt;

   323

			int c1,c2;

   324

   325

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

   326

   327

			// draw up/down buttons

   328

			clicked = ((flags4 & (WF_SCROLL_UP | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_UP | WF_SCROLL2));

   329

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

   330

			DoDrawString(UPARROW, r.left + 2 + clicked, r.top + clicked, 0x10);

   331

   332

			clicked = ((flags4 & (WF_SCROLL_DOWN | WF_HSCROLL | WF_SCROLL2)) == (WF_SCROLL_DOWN | WF_SCROLL2));

   333

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

   334

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

   335

   336

			c1 = _colour_gradient[wi->color&0xF][3];

   337

			c2 = _colour_gradient[wi->color&0xF][7];

   338

   339

			// draw "shaded" background

   340

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

   341

			GfxFillRect(r.left, r.top+10, r.right, r.bottom-10, c1 | (1 << PALETTE_MODIFIER_GREYOUT));

   342

   343

			// draw shaded lines

   344

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

   345

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

   346

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

   347

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

   348

   349

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

   350

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

   351

			break;

   352

		}

   353

   354

		// horizontal scrollbar

   355

		case WWT_HSCROLLBAR: {

   356

			Point pt;

   357

			int c1,c2;

   358

   359

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

   360

   361

			clicked = ((flags4 & (WF_SCROLL_UP | WF_HSCROLL)) == (WF_SCROLL_UP | WF_HSCROLL));

   362

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

   363

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

   364

   365

			clicked = ((flags4 & (WF_SCROLL_DOWN | WF_HSCROLL)) == (WF_SCROLL_DOWN | WF_HSCROLL));

   366

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

   367

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

   368

   369

			c1 = _colour_gradient[wi->color&0xF][3];

   370

			c2 = _colour_gradient[wi->color&0xF][7];

   371

   372

			// draw "shaded" background

   373

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

   374

			GfxFillRect(r.left+10, r.top, r.right-10, r.bottom, c1 | (1 << PALETTE_MODIFIER_GREYOUT));

   375

   376

			// draw shaded lines

   377

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

   378

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

   379

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

   380

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

   381

   382

			// draw actual scrollbar

   383

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

   384

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

   385

   386

			break;

   387

		}

   388

   389

		case WWT_FRAME: {

   390

			int c1,c2;

   391

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

   392

   393

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

   394

   395

			c1 = _colour_gradient[wi->color][3];

   396

			c2 = _colour_gradient[wi->color][7];

   397

   398

			//Line from upper left corner to start of text

   399

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

   400

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

   401

   402

			// Line from end of text to upper right corner

   403

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

   404

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

   405

   406

			// Line from upper left corner to bottom left corner

   407

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

   408

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

   409

   410

			//Line from upper right corner to bottom right corner

   411

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

   412

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

   413

   414

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

   415

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

   416

   417

			goto draw_default;

   418

		}

   419

   420

		case WWT_STICKYBOX: {

   421

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

   422

   423

			clicked = !!(flags4 & WF_STICKY);

   424

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

   425

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

   426

			break;

   427

		}

   428

   429

		case WWT_RESIZEBOX: {

   430

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

   431

   432

			clicked = !!(flags4 & WF_SIZING);

   433

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

   434

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

   435

			break;

   436

		}

   437

   438

		case WWT_CLOSEBOX: {

   439

			assert(r.right - r.left == 10); // ensure the same sizes are used everywhere

   440

   441

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

   442

			DrawString(r.left + 2, r.top + 2, STR_00C5, 0);

   443

			break;

   444

		}

   445

   446

		case WWT_CAPTION: {

   447

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

   448

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

   449

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

   450

   451

			if (caption_color != 0xFF) {

   452

				GfxFillRect(r.left+2, r.top+2, r.right-2, r.bottom-2, _colour_gradient[_player_colors[caption_color]][4]);

   453

			}

   454

   455

			DrawStringCenteredTruncated(r.left + 2, r.right - 2, r.top+2, wi->data, 0x84);

   456

draw_default:;

   457

			if (IsWidgetDisabled(i)) {

   458

				GfxFillRect(r.left+1, r.top+1, r.right-1, r.bottom-1, _colour_gradient[wi->color&0xF][2] | (1 << PALETTE_MODIFIER_GREYOUT));

   459

			}

   460

		}

   461

		}

   462

	}

   463

   464

   465

	if (flash_timeout > 0) {

   466

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

   467

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

   468

	}

   469

   470

}

   471

   472

static const Widget _dropdown_menu_widgets[] = {

   473

{      WWT_PANEL,   RESIZE_NONE,     0,     0, 0,     0, 0, 0x0, STR_NULL},

   474

{  WWT_SCROLLBAR,   RESIZE_NONE,     0,     0, 0,     0, 0, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},

   475

{   WIDGETS_END},

   476

};

   477

   478

static int GetDropdownItem(const Window *w)

   479

{

   480

	byte item, counter;

   481

	int y;

   482

   483

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

   484

		return -1;

   485

   486

	y = _cursor.pos.y - w->top - 2 + w->vscroll.pos * 10;

   487

   488

	if (y < 0)

   489

		return - 1;

   490

   491

	item = y / 10;

   492

	if (item >= WP(w,dropdown_d).num_items || (HASBIT(WP(w,dropdown_d).disabled_state, item) && !HASBIT(WP(w,dropdown_d).hidden_state, item)) || WP(w,dropdown_d).items[item] == 0)

   493

		return - 1;