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

	uint index;

   136

	int 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; index < w->widget_count; index++) {

   141

		const Widget *wi = &w->widget[index];

   142

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

   143

   144

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

   145

				!IsWindowWidgetHidden(w, index)) {

   146

			found_index = index;

   147

		}

   148

	}

   149

   150

	return found_index;

   151

}

   152

   153

   154

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

   155

{

   156

	uint dark         = _colour_gradient[ctab][3];

   157

	uint medium_dark  = _colour_gradient[ctab][5];

   158

	uint medium_light = _colour_gradient[ctab][6];

   159

	uint light        = _colour_gradient[ctab][7];

   160

   161

	if (flags & FR_TRANSPARENT) {

   162

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

   163

	} else {

   164

		uint interior;

   165

   166

		if (flags & FR_LOWERED) {

   167

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

   168

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

   169

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

   170

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

   171

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

   172

		} else {

   173

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

   174

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

   175

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

   176

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

   177

			interior = medium_dark;

   178

		}

   179

		if (!(flags & FR_BORDERONLY)) {

   180

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

   181

		}

   182

	}

   183

}

   184

   185

   186

void DrawWindowWidgets(const Window *w)

   187

{

   188

	const DrawPixelInfo* dpi = _cur_dpi;

   189

	Rect r;

   190

	uint i;

   191

   192

	for (i = 0; i < w->widget_count; i++) {

   193

		const Widget *wi = &w->widget[i];

   194

		bool clicked = IsWindowWidgetLowered(w, i);

   195

   196

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

   197

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

   198

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

   199

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

   200

				IsWindowWidgetHidden(w, i)) {

   201

			continue;

   202

		}

   203

   204

		switch (wi->type & WWT_MASK) {

   205

		case WWT_IMGBTN:

   206

		case WWT_IMGBTN_2: {

   207

			int img = wi->data;

   208

			assert(img != 0);

   209

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

   210

   211

			/* show different image when clicked for WWT_IMGBTN_2 */

   212

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

   213

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

   214

			goto draw_default;

   215

		}

   216

   217

		case WWT_PANEL: {

   218

			assert(wi->data == 0);

   219

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

   220

			goto draw_default;

   221

		}

   222

   223

		case WWT_TEXTBTN:

   224

		case WWT_TEXTBTN_2: {

   225

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

   226

			}

   227

		/* fall through */

   228

   229

		case WWT_LABEL: {

   230

			StringID str = wi->data;

   231

   232

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

   233

   234

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

   235

			goto draw_default;

   236

		}

   237

   238

		case WWT_INSET: {

   239

			StringID str = wi->data;

   240

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

   241

   242

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

   243

			goto draw_default;

   244

		}

   245

   246

		case WWT_MATRIX: {

   247

			int c, d, ctr;

   248

			int x, amt1, amt2;

   249

			int color;

   250

   251

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

   252

   253

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

   254

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

   255

   256

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

   257

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

   258

   259

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

   260

   261

			x = r.left;

   262

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

   263

				x += amt1;

   264

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

   265

			}

   266

   267

			x = r.top;

   268

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

   269

				x += amt2;

   270

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

   271

			}

   272

   273

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

   274

   275

			x = r.left - 1;

   276

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

   277

				x += amt1;

   278

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

   279

			}

   280

   281

			x = r.top - 1;

   282

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

   283

				x += amt2;

   284

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

   285

			}

   286

   287

			goto draw_default;

   288

		}

   289

   290

		// vertical scrollbar

   291

		case WWT_SCROLLBAR: {

   292

			Point pt;

   293

			int c1,c2;

   294

   295

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

   296

   297

			// draw up/down buttons

   298

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

   299

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

   300

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

   301

   302

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

   303

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

   304

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

   305

   306

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

   307

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

   308

   309

			// draw "shaded" background

   310

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

   311

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

   312

   313

			// draw shaded lines

   314

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

   315

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

   316

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

   317

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

   318

   319

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

   320

			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);

   321

			break;

   322

		}

   323

		case WWT_SCROLL2BAR: {

   324

			Point pt;

   325

			int c1,c2;

   326

   327

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

   328

   329

			// draw up/down buttons

   330

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

   331

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

   332

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

   333

   334

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

   335

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

   336

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

   337

   338

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

   339

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

   340

   341

			// draw "shaded" background

   342

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

   343

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

   344

   345

			// draw shaded lines

   346

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

   347

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

   348

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

   349

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

   350

   351

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

   352

			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);

   353

			break;

   354

		}

   355

   356

		// horizontal scrollbar

   357

		case WWT_HSCROLLBAR: {

   358

			Point pt;

   359

			int c1,c2;

   360

   361

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

   362

   363

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

   364

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

   365

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

   366

   367

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

   368

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

   369

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

   370

   371

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

   372

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

   373

   374

			// draw "shaded" background

   375

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

   376

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

   377

   378

			// draw shaded lines

   379

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

   380

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

   381

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

   382

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

   383

   384

			// draw actual scrollbar

   385

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

   386

			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);

   387

   388

			break;

   389

		}

   390

   391

		case WWT_FRAME: {

   392

			int c1,c2;

   393

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

   394

   395

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

   396

   397

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

   398

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

   399

   400

			//Line from upper left corner to start of text

   401

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

   402

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

   403

   404

			// Line from end of text to upper right corner

   405

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

   406

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

   407

   408

			// Line from upper left corner to bottom left corner

   409

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

   410

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

   411

   412

			//Line from upper right corner to bottom right corner

   413

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

   414

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

   415

   416

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

   417

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

   418

   419

			goto draw_default;

   420

		}

   421

   422

		case WWT_STICKYBOX: {

   423

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

   424

   425

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

   426

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

   427

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

   428

			break;

   429

		}

   430

   431

		case WWT_RESIZEBOX: {

   432

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

   433

   434

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

   435

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

   436

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

   437

			break;

   438

		}

   439

   440

		case WWT_CLOSEBOX: {

   441

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

   442

   443

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

   444

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

   445

			break;

   446

		}

   447

   448

		case WWT_CAPTION: {

   449

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

   450

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

   451

			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);

   452

   453

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

   454

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

   455

			}

   456

   457

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

   458

draw_default:;

   459

			if (IsWindowWidgetDisabled(w, i)) {

   460

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

   461

			}

   462

		}

   463

		}

   464

	}

   465

   466

   467

	if (w->flags4 & WF_WHITE_BORDER_MASK) {

   468

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

   469

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

   470

	}

   471

   472

}

   473

   474

static const Widget _dropdown_menu_widgets[] = {

   475

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

   476

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

   477

{   WIDGETS_END},

   478

};

   479

   480

static int GetDropdownItem(const Window *w)

   481

{

   482

	byte item, counter;

   483

	int y;

   484

   485

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

   486

		return -1;

   487

   488

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

   489

   490

	if (y < 0)

   491

		return - 1;

   492

   493

	item = y / 10;

   494

	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)

   495

		return - 1;