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 DrawWindowWidgets(const Window *w)

   154

{

   155

	const Widget *wi;

   156

	const DrawPixelInfo* dpi = _cur_dpi;

   157

	Rect r;

   158

	uint32 cur_click, cur_disabled, cur_hidden;

   159

   160

	wi = w->widget;

   161

   162

	cur_click = w->click_state;

   163

	cur_disabled = w->disabled_state;

   164

	cur_hidden = w->hidden_state;

   165

   166

	do {

   167

		bool clicked = (cur_click & 1);

   168

   169

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

   170

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

   171

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

   172

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

   173

				cur_hidden & 1) {

   174

			continue;

   175

		}

   176

   177

		switch (wi->type & WWT_MASK) {

   178

		case WWT_PANEL: /* WWT_IMGBTN */

   179

		case WWT_PANEL_2: {

   180

			int img;

   181

   182

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

   183

   184

			img = wi->unkA;

   185

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

   186

				// show diff image when clicked

   187

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

   188

   189

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

   190

			}

   191

			goto draw_default;

   192

		}

   193

   194

		case WWT_CLOSEBOX: /* WWT_TEXTBTN */

   195

		case WWT_4: {

   196

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

   197

			}

   198

		/* fall through */

   199

   200

		case WWT_5: {

   201

			StringID str = wi->unkA;

   202

   203

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

   204

   205

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

   206

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

   207

			goto draw_default;

   208

		}

   209

   210

		case WWT_6: {

   211

			StringID str;

   212

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

   213

   214

			str = wi->unkA;

   215

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

   216

			goto draw_default;

   217

		}

   218

   219

		case WWT_MATRIX: {

   220

			int c, d, ctr;

   221

			int x, amt1, amt2;

   222

			int color;

   223

   224

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

   225

   227

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

   228

   230

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

   231

   232

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

   233

   234

			x = r.left;

   235

			for (ctr = c; ctr > 0; ctr--) {

   236

				x += amt1;

   237

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

   238

			}

   239

   240

			x = r.top;

   241

			for (ctr = d; ctr > 0; ctr--) {

   242

				x += amt2;

   243

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

   244

			}

   245

   246

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

   247

   248

			x = r.left - 1;

   249

			for (ctr = c; ctr > 0; ctr--) {

   250

				x += amt1;

   251

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

   252

			}

   253

   254

			x = r.top - 1;

   255

			for (ctr = d; ctr > 0; ctr--) {

   256

				x += amt2;

   257

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

   258

			}

   259

   260

			goto draw_default;

   261

		}

   262

   263

		// vertical scrollbar

   264

		case WWT_SCROLLBAR: {

   265

			Point pt;

   266

			int c1,c2;

   267

   268

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

   269

   270

			// draw up/down buttons

   271

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

   272

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

   273

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

   274

   275

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

   276

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

   277

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

   278

   279

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

   280

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

   281

   282

			// draw "shaded" background

   283

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

   284

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

   285

   286

			// draw shaded lines

   287

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

   288

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

   289

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

   290

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

   291

   292

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

   293

			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);

   294

			break;

   295

		}

   296

		case WWT_SCROLL2BAR: {

   297

			Point pt;

   298

			int c1,c2;

   299

   300

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

   301

   302

			// draw up/down buttons

   303

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

   304

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

   305

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

   306

   307

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

   308

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

   309

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

   310

   311

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

   312

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

   313

   314

			// draw "shaded" background

   315

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

   316

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

   317

   318

			// draw shaded lines

   319

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

   320

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

   321

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

   322

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

   323

   324

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

   325

			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);

   326

			break;

   327

		}

   328

   329

		// horizontal scrollbar

   330

		case WWT_HSCROLLBAR: {

   331

			Point pt;

   332

			int c1,c2;

   333

   334

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

   335

   336

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

   337

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

   338

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

   339

   340

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

   341

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

   342

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

   343

   344

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

   345

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

   346

   347

			// draw "shaded" background

   348

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

   349

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

   350

   351

			// draw shaded lines

   352

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

   353

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

   354

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

   355

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

   356

   357

			// draw actual scrollbar

   358

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

   359

			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);

   360

   361

			break;

   362

		}

   363

   364

		case WWT_FRAME: {

   365

			int c1,c2;

   366

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

   367

   368

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

   369

   370

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

   371

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

   372

   373

			//Line from upper left corner to start of text

   374

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

   375

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

   376

   377

			// Line from end of text to upper right corner

   378

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

   379

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

   380

   381

			// Line from upper left corner to bottom left corner

   382

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

   383

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

   384

   385

			//Line from upper right corner to bottom right corner

   386

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

   387

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

   388

   389

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

   390

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

   391

   392

			goto draw_default;

   393

		}

   394

   395

		case WWT_STICKYBOX: {

   396

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

   397

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

   398

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

   399

			break;

   400

		}

   401

   402

		case WWT_RESIZEBOX: {

   403

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

   404

   405

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

   406

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

   407

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

   408

			break;

   409

		}

   410

   411

		case WWT_CAPTION: {

   412

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

   413

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

   414

			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);

   415

   416

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

   417

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

   418

			}

   419

   420

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

   421

draw_default:;

   422

			if (cur_disabled & 1) {

   423

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

   424

			}

   425

		}

   426

		}

   427

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

   428

   429

   430

	if (w->flags4 & WF_WHITE_BORDER_MASK) {

   431

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

   432

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

   433

	}

   434

   435

}

   436

   437

static const Widget _dropdown_menu_widgets[] = {

   438

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

   439

{   WIDGETS_END},

   440

};

   441

   442

static int GetDropdownItem(const Window *w)

   443

{

   444

	byte item, counter;

   445

	int y;

   446

   447

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

   448

		return -1;

   449

   450

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

   451

   452

	if (y < 0)

   453

		return - 1;

   454

   455

	item = y / 10;

   456

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

   457

		return - 1;

   458

   459

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

   460

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

   461

		if (HASBIT(w->hidden_state, counter)) item++;

   462

   463

	return item;

   464

}

   465

   466

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

   467

{

   468

	int item;

   469

   470

	switch(e->event) {

   471

		case WE_PAINT: {

   472

			int x,y,i,sel;

   473

   474

			DrawWindowWidgets(w);

   475

   476

			x = 1;

   477

			y = 2;

   478

			sel    = WP(w,dropdown_d).selected_index;

   479

   480

			for (i = 0; WP(w,dropdown_d).items[i] != INVALID_STRING_ID; i++) {

   481

				if (HASBIT(w->hidden_state, i)) {

   482

					sel--;

   483

					continue;

   484

				}

   485

				if (WP(w,dropdown_d).items[i] != 0) {

   486

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

   487

					DrawString(x + 2, y, WP(w,dropdown_d).items[i], sel == 0 ? 12 : 16);

   488

   489

					if (HASBIT(w->disabled_state, i)) {

   490

						GfxFillRect(x, y, x + w->width - 3, y + 9,

   491

							PALETTE_MODIFIER_GREYOUT | _color_list[_dropdown_menu_widgets[0].color].window_color_bga

   492

						);

   493

					}

   494

				} else {

   495

					int c1 = _color_list[_dropdown_menu_widgets[0].color].window_color_1a;

   496

					int c2 = _color_list[_dropdown_menu_widgets[0].color].window_color_2;

   497

   498

					GfxFillRect(x + 1, y + 3, x + w->width - 5, y + 3, c1);