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

 *   w   - Window.

    43

 *   wi  - Pointer to the scrollbar widget.

    44

 *   x   - The X coordinate of the mouse click.

    45

 *   y   - The Y coordinate of the mouse click.

    46

 */

    47

    48

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

    49

{

    50

	int mi, ma, pos;

    51

	Scrollbar *sb;

    52

    53

	switch (wi->type) {

    54

		case WWT_SCROLLBAR: {

    55

			// vertical scroller

    56

			w->flags4 &= ~WF_HSCROLL;

    57

			w->flags4 &= ~WF_SCROLL2;

    58

			mi = wi->top;

    59

			ma = wi->bottom;

    60

			pos = y;

    61

			sb = &w->vscroll;

    62

			break;

    63

		}

    64

		case WWT_SCROLL2BAR: {

    65

			// 2nd vertical scroller

    66

			w->flags4 &= ~WF_HSCROLL;

    67

			w->flags4 |= WF_SCROLL2;

    68

			mi = wi->top;

    69

			ma = wi->bottom;

    70

			pos = y;

    71

			sb = &w->vscroll2;

    72

			break;

    73

		}

    74

		case  WWT_HSCROLLBAR: {

    75

			// horizontal scroller

    76

			w->flags4 &= ~WF_SCROLL2;

    77

			w->flags4 |= WF_HSCROLL;

    78

			mi = wi->left;

    79

			ma = wi->right;

    80

			pos = x;

    81

			sb = &w->hscroll;

    82

			break;

    83

		}

    84

		default: return; //this should never happen

    85

	}

    86

	if (pos <= mi+9) {

    87

		// Pressing the upper button?

    88

		w->flags4 |= WF_SCROLL_UP;

    89

		if (_scroller_click_timeout == 0) {

    90

			_scroller_click_timeout = 6;

    91

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

    92

		}

    93

		_left_button_clicked = false;

    94

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

    95

		// Pressing the lower button?

    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

	} else {

   105

		//

   106

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

   107

   108

		if (pos < pt.x) {

   109

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

   110

		} else if (pos > pt.y) {

   111

			sb->pos = min(

   112

				sb->pos + sb->cap,

   113

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

   114

			);

   115

		} else {

   116

			_scrollbar_start_pos = pt.x - mi - 9;

   117

			_scrollbar_size = ma - mi - 23;

   118

			w->flags4 |= WF_SCROLL_MIDDLE;

   119

			_scrolling_scrollbar = true;

   120

			_cursorpos_drag_start = _cursor.pos;

   121

		}

   122

	}

   123

   124

	SetWindowDirty(w);

   125

}

   126

   127

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

   128

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

   129

 * @param *w Window to look inside

   130

 * @param  x,y Window client coordinates

   131

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

   132

 */

   133

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

   134

{

   135

	const Widget *wi;

   136

	int index, found_index = -1;

   137

   138

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

   139

	// inside.

   140

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

   141

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

   142

   143

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

   144

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

   145

			found_index = index;

   146

		}

   147

	}

   148

   149

	return found_index;

   150

}

   151

   152

   153

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

   154

{

   155

	uint dark         = _colour_gradient[ctab][3];

   156

	uint medium_dark  = _colour_gradient[ctab][5];

   157

	uint medium_light = _colour_gradient[ctab][6];

   158

	uint light        = _colour_gradient[ctab][7];

   159

   160

	if (flags & FR_TRANSPARENT) {

   161

		GfxFillRect(left, top, right, bottom, 0x322 | USE_COLORTABLE);

   162

	} else {

   163

		uint interior;

   164

   165

		if (flags & FR_LOWERED) {

   166

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

   167

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

   168

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

   169

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

   170

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

   171

		} else {

   172

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

   173

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

   174

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

   175

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

   176

			interior = medium_dark;

   177

		}

   178

		if (!(flags & FR_BORDERONLY)) {

   179

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

   180

		}

   181

	}

   182

}

   183

   184

   185

void DrawWindowWidgets(const Window *w)

   186

{

   187

	const Widget *wi;

   188

	const DrawPixelInfo* dpi = _cur_dpi;

   189

	Rect r;

   190

	uint32 cur_click, cur_disabled, cur_hidden;

   191

   192

	wi = w->widget;

   193

   194

	cur_click = w->click_state;

   195

	cur_disabled = w->disabled_state;

   196

	cur_hidden = w->hidden_state;

   197

   198

	do {

   199

		bool clicked = (cur_click & 1);

   200

   201

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

   202

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

   203

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

   204

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

   205

				cur_hidden & 1) {

   206

			continue;

   207

		}

   208

   209

		switch (wi->type & WWT_MASK) {

   210

		case WWT_PANEL: /* WWT_IMGBTN */

   211

		case WWT_PANEL_2: {

   212

			int img = wi->data;

   213

   214

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

   215

   216

			if (img != 0) { // has an image

   217

				// show diff image when clicked

   218

				if ((wi->type & WWT_MASK) == WWT_PANEL_2 && clicked) img++;

   219

   220

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

   221

			}

   222

			goto draw_default;

   223

		}

   224

   225

		case WWT_TEXTBTN: /* WWT_TEXTBTN */

   226

		case WWT_4: {

   227

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

   228

			}

   229

		/* fall through */

   230

   231

		case WWT_LABEL: {

   232

			StringID str = wi->data;

   233

   234

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

   235

   236

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

   237

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

   238

			goto draw_default;

   239

		}

   240

   241

		case WWT_6: {

   242

			StringID str = wi->data;

   243

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

   244

   245

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

   246

			goto draw_default;

   247

		}

   248

   249

		case WWT_MATRIX: {

   250

			int c, d, ctr;

   251

			int x, amt1, amt2;

   252

			int color;

   253

   254

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

   255

   256

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

   257

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

   258

   259

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

   260

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

   261

   262

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

   263

   264

			x = r.left;

   265

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

   266

				x += amt1;

   267

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

   268

			}

   269

   270

			x = r.top;

   271

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

   272

				x += amt2;

   273

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

   274

			}

   275

   276

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

   277

   278

			x = r.left - 1;

   279

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

   280

				x += amt1;

   281

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

   282

			}

   283

   284

			x = r.top - 1;

   285

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

   286

				x += amt2;

   287

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

   288

			}

   289

   290

			goto draw_default;

   291

		}

   292

   293

		// vertical scrollbar

   294

		case WWT_SCROLLBAR: {

   295

			Point pt;

   296

			int c1,c2;

   297

   298

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

   299

   300

			// draw up/down buttons

   301

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

   302

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

   303

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

   304

   305

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

   306

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

   307

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

   308

   309

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

   310

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

   311

   312

			// draw "shaded" background

   313

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

   314

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

   315

   316

			// draw shaded lines

   317

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

   318

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

   319

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

   320

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

   321

   322

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

   323

			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);

   324

			break;

   325

		}

   326

		case WWT_SCROLL2BAR: {

   327

			Point pt;

   328

			int c1,c2;

   329

   330

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

   331

   332

			// draw up/down buttons

   333

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

   334

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

   335

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

   336

   337

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

   338

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

   339

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

   340

   341

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

   342

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

   343

   344

			// draw "shaded" background

   345

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

   346

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

   347

   348

			// draw shaded lines

   349

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

   350

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

   351

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

   352

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

   353

   354

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

   355

			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);

   356

			break;

   357

		}

   358

   359

		// horizontal scrollbar

   360

		case WWT_HSCROLLBAR: {

   361

			Point pt;

   362

			int c1,c2;

   363

   364

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

   365

   366

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

   367

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

   368

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

   369

   370

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

   371

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

   372

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

   373

   374

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

   375

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

   376

   377

			// draw "shaded" background

   378

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

   379

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

   380

   381

			// draw shaded lines

   382

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

   383

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

   384

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

   385

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

   386

   387

			// draw actual scrollbar

   388

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

   389

			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);

   390

   391

			break;

   392

		}

   393

   394

		case WWT_FRAME: {

   395

			int c1,c2;

   396

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

   397

   398

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

   399

   400

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

   401

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

   402

   403

			//Line from upper left corner to start of text

   404

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

   405

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

   406

   407

			// Line from end of text to upper right corner

   408

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

   409

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

   410

   411

			// Line from upper left corner to bottom left corner

   412

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

   413

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

   414

   415

			//Line from upper right corner to bottom right corner

   416

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

   417

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

   418

   419

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

   420

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

   421

   422

			goto draw_default;

   423

		}

   424

   425

		case WWT_STICKYBOX: {

   426

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

   427

   428

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

   429

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

   430

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

   431

			break;

   432

		}

   433

   434

		case WWT_RESIZEBOX: {

   435

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

   436

   437

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

   438

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

   439

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

   440

			break;

   441

		}

   442

   443

		case WWT_CLOSEBOX: {

   444

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

   445

   446

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

   447

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

   448

			break;

   449

		}

   450

   451

		case WWT_CAPTION: {

   452

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

   453

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

   454

			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);

   455

   456

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

   457

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

   458

			}

   459

   460

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

   461

draw_default:;

   462

			if (cur_disabled & 1) {

   463

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

   464

			}

   465

		}

   466

		}

   467

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

   468

   469

   470

	if (w->flags4 & WF_WHITE_BORDER_MASK) {

   471

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

   472

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

   473

	}

   474

   475

}

   476

   477

static const Widget _dropdown_menu_widgets[] = {

   478

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

   479

{   WIDGETS_END},

   480

};

   481

   482

static int GetDropdownItem(const Window *w)

   483

{

   484

	byte item, counter;

   485

	int y;

   486

   487

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

   488

		return -1;

   489

   490

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

   491

   492

	if (y < 0)

   493

		return - 1;

   494

   495

	item = y / 10;

   496

	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)

   497

		return - 1;