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)

    31

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

    32

    33

	pt.x = top;

    34

	pt.y = bottom - 1;

    35

	return pt;

    36

}

    37

    38

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

    39

 * Special handling for the scrollbar widget type.

    40

 * Handles the special scrolling buttons and other

    41

 * scrolling.

    42

 * Parameters:

    43

 *   w   - Window.

    44

 *   wi  - Pointer to the scrollbar widget.

    45

 *   x   - The X coordinate of the mouse click.

    46

 *   y   - The Y coordinate of the mouse click.

    47

 */

    48

    49

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

    50

{

    51

	int mi, ma, pos;

    52

	Scrollbar *sb;

    53

    54

	switch (wi->type) {

    55

		case WWT_SCROLLBAR: {

    56

			// vertical scroller

    57

			w->flags4 &= ~WF_HSCROLL;

    58

			w->flags4 &= ~WF_SCROLL2;

    59

			mi = wi->top;

    60

			ma = wi->bottom;

    61

			pos = y;

    62

			sb = &w->vscroll;

    63

			break;

    64

		}

    65

		case WWT_SCROLL2BAR: {

    66

			// 2nd vertical scroller

    67

			w->flags4 &= ~WF_HSCROLL;

    68

			w->flags4 |= WF_SCROLL2;

    69

			mi = wi->top;

    70

			ma = wi->bottom;

    71

			pos = y;

    72

			sb = &w->vscroll2;

    73

			break;

    74

		}

    75

		case  WWT_HSCROLLBAR: {

    76

			// horizontal scroller

    77

			w->flags4 &= ~WF_SCROLL2;

    78

			w->flags4 |= WF_HSCROLL;

    79

			mi = wi->left;

    80

			ma = wi->right;

    81

			pos = x;

    82

			sb = &w->hscroll;

    83

			break;

    84

		}

    85

		default: return; //this should never happen

    86

	}

    87

	if (pos <= mi+9) {

    88

		// Pressing the upper button?

    89

		if (!_demo_mode) {

    90

			w->flags4 |= WF_SCROLL_UP;

    91

			if (_scroller_click_timeout == 0) {

    92

				_scroller_click_timeout = 6;

    93

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

    94

			}

    95

			_left_button_clicked = false;

    96

		}

    97

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

    98

		// Pressing the lower button?

    99

		if (!_demo_mode) {

   100

			w->flags4 |= WF_SCROLL_DOWN;

   101

   102

			if (_scroller_click_timeout == 0) {

   103

				_scroller_click_timeout = 6;

   104

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

   105

					sb->pos++;

   106

			}

   107

			_left_button_clicked = false;

   108

		}

   109

	} else {

   110

		//

   111

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

   112

   113

		if (pos < pt.x) {

   114

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

   115

		} else if (pos > pt.y) {

   116

			sb->pos = min(

   117

				sb->pos + sb->cap,

   118

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

   119

			);

   120

		} else {

   121

			_scrollbar_start_pos = pt.x - mi - 9;

   122

			_scrollbar_size = ma - mi - 23;

   123

			w->flags4 |= WF_SCROLL_MIDDLE;

   124

			_scrolling_scrollbar = true;

   125

			_cursorpos_drag_start = _cursor.pos;

   126

		}

   127

	}

   128

   129

	SetWindowDirty(w);

   130

}

   131

   132

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

   133

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

   134

 * @param *w Window to look inside

   135

 * @param  x,y Window client coordinates

   136

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

   137

 */

   138

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

   139

{

   140

	const Widget *wi;

   141

	int index, found_index = -1;

   142

   143

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

   144

	// inside.

   145

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

   146

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

   147

			continue;

   148

   149

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

   150

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

   151

				found_index = index;

   152

		}

   153

	}

   154

   155

	return found_index;

   156

}

   157

   158

   159

void DrawWindowWidgets(const Window *w)

   160

{

   161

	const Widget *wi;

   163

	Rect r;

   164

	uint32 cur_click, cur_disabled, cur_hidden;

   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 draw_default;

   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

			}

   220

			goto draw_default;

   221

		}

   222

   223

		case WWT_MATRIX: {

   224

			int c, d, ctr;

   225

			int x, amt1, amt2;

   226

			int color;

   227

   228

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

   229

   230

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

   231

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

   232

   233

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

   234

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

   235

   236

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

   237

   238

			x = r.left;

   239

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

   240

				x += amt1;

   241

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

   242

			}

   243

   244

			x = r.top;

   245

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

   246

				x += amt2;

   247

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

   248

			}

   249

   250

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

   251

   252

			x = r.left-1;

   253

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

   254

				x += amt1;

   255

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

   256

			}

   257

   258

			x = r.top-1;

   259

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

   260

				x += amt2;

   261

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

   262

			}

   263

   264

			goto draw_default;

   265

		}

   266

   267

		// vertical scrollbar

   268

		case WWT_SCROLLBAR: {

   269

			Point pt;

   270

			int c1,c2;

   271

   272

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

   273

   274

			// draw up/down buttons

   275

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

   276

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

   277

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

   278

   279

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

   280

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

   281

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

   282

   283

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

   284

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

   285

   286

			// draw "shaded" background

   287

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

   288

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

   289

   290

			// draw shaded lines

   291

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

   292

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

   293

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

   294

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

   295

   296

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

   297

			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);

   298

			break;

   299

		}

   300

		case WWT_SCROLL2BAR: {

   301

			Point pt;

   302

			int c1,c2;

   303

   304

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

   305

   306

			// draw up/down buttons

   307

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

   308

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

   309

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

   310

   311

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

   312

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

   313

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

   314

   315

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

   316

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

   317

   318

			// draw "shaded" background

   319

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

   320

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

   321

   322

			// draw shaded lines

   323

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

   324

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

   325

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

   326

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

   327

   328

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

   329

			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);

   330

			break;

   331

		}

   332

   333

		// horizontal scrollbar

   334

		case WWT_HSCROLLBAR: {

   335

			Point pt;

   336

			int c1,c2;

   337

   338

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

   339

   340

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

   341

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

   342

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

   343

   344

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

   345

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

   346

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

   347

   348

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

   349

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

   350

   351

			// draw "shaded" background

   352

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

   353

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

   354

   355

			// draw shaded lines

   356

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

   357

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

   358

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

   359

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

   360

   361

			// draw actual scrollbar

   362

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

   363

			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);

   364

   365

			break;

   366

		}

   367

   368

		case WWT_FRAME: {

   369

			int c1,c2;

   370

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

   371

   372

			if (wi->unkA != 0) {

   373

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

   374

			}

   375

   376

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

   377

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

   378

   379

			//Line from upper left corner to start of text

   380

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

   381

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

   382

   383

			// Line from end of text to upper right corner

   384

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

   385

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

   386

   387

			// Line from upper left corner to bottom left corner

   388

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

   389

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

   390

   391

			//Line from upper right corner to bottom right corner

   392

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

   393

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

   394

   395

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

   396

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

   397

   398

			goto draw_default;

   399

		}

   400

   401

		case WWT_STICKYBOX: {

   402

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

   403

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

   404

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

   405

			break;

   406

		}

   407

   408

		case WWT_RESIZEBOX: {

   409

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

   410

   411

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

   412

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

   413

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

   414

			break;

   415

		}

   416

   417

		case WWT_CAPTION: {

   418

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

   419

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

   420

			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);

   421

   422

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

   423

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

   424

			}

   425

   426

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

   427

draw_default:;

   428

			if (cur_disabled & 1) {

   429

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

   430

			}

   431

		}

   432

		}

   433

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

   434

   435

   436

	if (w->flags4 & WF_WHITE_BORDER_MASK) {

   437

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

   438

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

   439

	}

   440

   441

}

   442

   443

static uint _dropdown_item_count;

   444

static uint32 _dropdown_disabled;

   445

static uint32 _dropdown_hidden;

   446

static const StringID *_dropdown_items;

   447

static int _dropdown_selindex;

   448

static byte _dropdown_button;

   449

static WindowClass _dropdown_windowclass;

   450

static WindowNumber _dropdown_windownum;

   451

static byte _dropdown_var1;

   452

static byte _dropdown_var2;

   453

   454

static const Widget _dropdown_menu_widgets[] = {

   455

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

   456

{   WIDGETS_END},

   457

};

   458

   459

static int GetDropdownItem(const Window *w)

   460

{

   461

	byte item, counter;

   462

	int y;

   463

   464

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

   465

		return -1;

   466

   467

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

   468

   469

	if (y < 0)

   470

		return - 1;

   471

   472

	item = y / 10;

   473

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

   474

		return - 1;

   475

   476

	// Skip hidden items -- +1 for each hidden item before the clicked item.

   477

	for (counter = 0; item >= counter; ++counter)

   478

		if (HASBIT(_dropdown_hidden, counter)) item++;

   479

   480

	return item;

   481

}

   482

   483

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

   484

{

   485

	int item;

   486

   487

	switch(e->event) {

   488

		case WE_PAINT: {

   489

			int x,y,i,sel;

   490

   491

			DrawWindowWidgets(w);

   492

   493

			x = 1;

   494

			y = 2;

   495

			sel    = _dropdown_selindex;

   496

   497

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

   498

				if (HASBIT(_dropdown_hidden, i)) {

   499

					sel--;

   500

					continue;

   501

				}

   502

				if (_dropdown_items[i] != 0) {

   503

					if (sel == 0) {