1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "map.h"

     4

#include "window.h"

     5

#include "gfx.h"

     6

#include "viewport.h"

     7

#include "console.h"

     8

     9

// delta between mouse cursor and upper left corner of dragged window

    10

static Point _drag_delta;

    11

    12

void HandleButtonClick(Window *w, byte widget)

    13

{

    14

	w->click_state |= (1 << widget);

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	w->flags4 |= 5 << WF_TIMEOUT_SHL;

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	InvalidateWidget(w, widget);

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}

    18

    19

void DispatchLeftClickEvent(Window *w, int x, int y) {

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	WindowEvent e;

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	const Widget *wi;

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    23

	e.click.pt.x = x;

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	e.click.pt.y = y;

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	e.event = WE_CLICK;

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    27

	if (w->desc_flags & WDF_DEF_WIDGET) {

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		e.click.widget = GetWidgetFromPos(w, x, y);

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		if (e.click.widget < 0) return; /* exit if clicked outside of widgets */

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    31

		wi = &w->widget[e.click.widget];

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    33

		/* don't allow any interaction if the button has been disabled */

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		if (HASBIT(w->disabled_state, e.click.widget))

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			return;

    36

    37

		if (wi->type & 0xE0) {

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			/* special widget handling for buttons*/

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			switch(wi->type) {

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			case WWT_IMGBTN  | WWB_PUSHBUTTON: /* WWT_PUSHIMGBTN */

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			case WWT_TEXTBTN | WWB_PUSHBUTTON: /* WWT_PUSHTXTBTN */

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				HandleButtonClick(w, e.click.widget);

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				break;

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			case WWT_NODISTXTBTN:

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				break;

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			}

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		} else if (wi->type == WWT_SCROLLBAR || wi->type == WWT_SCROLL2BAR || wi->type == WWT_HSCROLLBAR) {

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			ScrollbarClickHandler(w, wi, e.click.pt.x, e.click.pt.y);

    49

		}

    50

    51

		if (w->desc_flags & WDF_STD_BTN) {

    52

			if (e.click.widget == 0) { /* 'X' */

    53

				DeleteWindow(w);

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				return;

    55

			}

    56

    61

		}

    62

    67

    68

		if (w->desc_flags & WDF_STICKY_BUTTON && wi->type == WWT_STICKYBOX) {

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			TOGGLEBIT(w->click_state, e.click.widget);

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			w->flags4 ^= WF_STICKY;

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			InvalidateWidget(w, e.click.widget);

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		}

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	}

    75

    76

	w->wndproc(w, &e);

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}

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    79

void DispatchRightClickEvent(Window *w, int x, int y) {

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	WindowEvent e;

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    82

	/* default tooltips handler? */

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	if (w->desc_flags & WDF_STD_TOOLTIPS) {

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		e.click.widget = GetWidgetFromPos(w, x, y);

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		if (e.click.widget < 0)

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			return; /* exit if clicked outside of widgets */

    87

    88

		if (w->widget[e.click.widget].tooltips != 0) {

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			GuiShowTooltips(w->widget[e.click.widget].tooltips);

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			return;

    91

		}

    92

	}

    93

    94

	e.event = WE_RCLICK;

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	e.click.pt.x = x;

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	e.click.pt.y = y;

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	w->wndproc(w, &e);

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}

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   100

   101

void DispatchMouseWheelEvent(Window *w, uint widget, int wheel)

   102

{

   103

	const Widget *wi1 = &w->widget[widget];

   104

	const Widget *wi2 = &w->widget[widget + 1];

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	Scrollbar *sb;

   106

   107

	/* The listbox can only scroll if scrolling was done on the scrollbar itself,

   108

	 * or on the listbox (and the next item is (must be) the scrollbar)

   109

	 * XXX - should be rewritten as a widget-dependent scroller but that's

   110

	 * not happening until someone rewrites the whole widget-code */

   111

	if ((sb = &w->vscroll,  wi1->type == WWT_SCROLLBAR)  || (sb = &w->vscroll2, wi1->type == WWT_SCROLL2BAR)  ||

   112

			(sb = &w->vscroll2, wi2->type == WWT_SCROLL2BAR) || (sb = &w->vscroll, wi2->type == WWT_SCROLLBAR) ) {

   113

   114

		if (sb->count > sb->cap) {

   115

			int pos = clamp(sb->pos + wheel, 0, sb->count - sb->cap);

   116

			if (pos != sb->pos) {

   117

				sb->pos = pos;

   118

				SetWindowDirty(w);

   119

			}

   120

		}

   121

	}

   122

}

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   124

   125

void DrawOverlappedWindowForAll(int left, int top, int right, int bottom)

   126

{

   127

	Window *w;

   128

	DrawPixelInfo bk;

   129

	_cur_dpi = &bk;

   130

   131

	for(w=_windows; w!=_last_window; w++) {

   132

		if (right > w->left &&

   133

				bottom > w->top &&

   134

				left < w->left + w->width &&

   135

				top < w->top + w->height) {

   136

				DrawOverlappedWindow(w, left, top, right, bottom);

   137

			}

   138

	}

   139

}

   140

   141

void DrawOverlappedWindow(Window *w, int left, int top, int right, int bottom)

   142

{

   143

	Window *v = w;

   144

	int x;

   145

   146

	while (++v != _last_window) {

   147

		if (right > v->left &&

   148

		 		bottom > v->top &&

   149

				left < v->left + v->width &&

   150

				top < v->top + v->height) {

   151

   152

			if (left < (x=v->left)) {

   153

				DrawOverlappedWindow(w, left, top, x, bottom);

   154

				DrawOverlappedWindow(w, x, top, right, bottom);

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				return;

   156

			}

   157

   158

			if (right > (x=v->left + v->width)) {

   159

				DrawOverlappedWindow(w, left, top, x, bottom);

   160

				DrawOverlappedWindow(w, x, top, right, bottom);

   161

				return;

   162

			}

   163

   164

			if (top < (x=v->top)) {

   165

				DrawOverlappedWindow(w, left, top, right, x);

   166

				DrawOverlappedWindow(w, left, x, right, bottom);

   167

				return;

   168

			}

   169

   170

			if (bottom > (x=v->top + v->height)) {

   171

				DrawOverlappedWindow(w, left, top, right, x);

   172

				DrawOverlappedWindow(w, left, x, right, bottom);

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				return;

   174

			}

   175

   176

			return;

   177

		}

   178

	}

   179

   180

	{

   181

		DrawPixelInfo *dp = _cur_dpi;

   182

		dp->width = right - left;

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		dp->height = bottom - top;

   184

		dp->left = left - w->left;

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		dp->top = top - w->top;

   186

		dp->pitch = _screen.pitch;

   187

		dp->dst_ptr = _screen.dst_ptr + top * _screen.pitch + left;

   188

		dp->zoom = 0;

   189

		CallWindowEventNP(w, WE_PAINT);

   190

	}

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}

   192

   193

void CallWindowEventNP(Window *w, int event)

   194

{

   195

	WindowEvent e;

   196

   197

	e.event = event;

   198

	w->wndproc(w, &e);

   199

}

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   201

void SetWindowDirty(Window *w)

   202

{

   203

	if (w == NULL)

   204

		return;

   205

   206

	SetDirtyBlocks(w->left, w->top, w->left + w->width, w->top + w->height);

   207

}

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   209

void DeleteWindow(Window *w)

   210

{

   211

	WindowClass wc;

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	WindowNumber wn;

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	ViewPort *vp;

   214

	Window *v;

   215

	int count;

   216

   217

	if (w == NULL)

   218

		return;

   219

   220

	if (_thd.place_mode != 0 && _thd.window_class == w->window_class && _thd.window_number == w->window_number) {

   221

		ResetObjectToPlace();

   222

	}

   223

   224

	wc = w->window_class;

   225

	wn = w->window_number;

   226

   227

	CallWindowEventNP(w, WE_DESTROY);

   228

   229

	w = FindWindowById(wc, wn);

   230

   231

	vp = w->viewport;

   232

	w->viewport = NULL;

   233

	if (vp != NULL) {

   234

		_active_viewports &= ~(1 << (vp - _viewports));

   235

		vp->width = 0;

   236

	}

   237

   238

	SetWindowDirty(w);

   239

   240

	free(w->widget);

   241

   242

	v = --_last_window;

   243

	count = (byte*)v - (byte*)w;

   244

	memmove(w, w + 1, count);

   245

}

   246

   247

Window *FindWindowById(WindowClass cls, WindowNumber number)

   248

{

   249

	Window *w;

   250

   251

	for(w=_windows; w!=_last_window; w++) {

   252

		if (w->window_class == cls &&

   253

			  w->window_number == number) {

   254

			return w;

   255

		}

   256

	}

   257

   258

	return NULL;

   259

}

   260

   261

void DeleteWindowById(WindowClass cls, WindowNumber number)

   262

{

   263

	DeleteWindow(FindWindowById(cls, number));

   264

}

   265

   266

void DeleteWindowByClass(WindowClass cls)

   267

{

   268

	Window *w;

   269

	for (w = _windows; w != _last_window;) {

   270

		if (w->window_class == cls) {

   271

			DeleteWindow(w);

   272

			w = _windows;

   273

		} else

   274

			w++;

   275

	}

   276

}

   277

   278

Window *BringWindowToFrontById(WindowClass cls, WindowNumber number)

   279

{

   280

	Window *w = FindWindowById(cls, number);

   281

   282

	if (w != NULL) {

   283

		w->flags4 |= WF_WHITE_BORDER_MASK;

   284

		SetWindowDirty(w);

   285

		w = BringWindowToFront(w);

   286

	}

   287

   288

	return w;

   289

}

   290

   291

Window *BringWindowToFront(Window *w)

   292

{

   293

	Window *v;

   294

	Window temp;

   295

   296

	v = _last_window;

   297

	do {

   298

		if (--v < _windows)

   299

			return w;

   300

	} while (v->window_class == WC_MAIN_TOOLBAR || v->window_class == WC_STATUS_BAR || v->window_class == WC_NEWS_WINDOW);

   301

   302

	if (w == v)

   303

		return w;

   304

   305

	assert(w < v);

   306

   307

	temp = *w;

   308

	memmove(w, w + 1, (v - w) * sizeof(Window));

   309

	*v = temp;

   310

   311

	SetWindowDirty(v);

   312

   313

	return v;

   314

}

   315

   316

/* We have run out of windows, so find a suitable candidate for replacement.

   317

 * Keep all important windows intact */

   318

static Window *FindDeletableWindow(void)

   319

{

   320

	Window *w;

   321

	for (w = _windows; w < endof(_windows); w++) {

   322

		if (w->window_class != WC_MAIN_WINDOW && w->window_class != WC_MAIN_TOOLBAR &&

   323

			  w->window_class != WC_STATUS_BAR && w->window_class != WC_NEWS_WINDOW &&

   324

				!(w->flags4 & WF_STICKY) )

   325

				return w;

   326

	}

   327

	return NULL;

   328

}

   329

   330

/* A window must be freed, and all are marked as important windows. Ease the

   331

 * restriction a bit by allowing to delete sticky windows */

   332

static Window *ForceFindDeletableWindow(void)

   333

{

   334

	Window *w;

   335

	for (w = _windows;; w++) {

   336

		assert(w < _last_window);

   337

   338

		if (w->window_class != WC_MAIN_WINDOW && w->window_class != WC_MAIN_TOOLBAR &&

   339

			  w->window_class != WC_STATUS_BAR && w->window_class != WC_NEWS_WINDOW)

   340

				return w;

   341

	}

   342

}

   343

   344

bool IsWindowOfPrototype(Window *w, const Widget *widget)

   345

{

   346

	return (w->original_widget == widget);

   347

}

   348

   349

/* Copies 'widget' to 'w->widget' */

   350

void AssignWidgetToWindow(Window *w, const Widget *widget)

   351

{

   352

	w->original_widget = widget;

   353

   354

	if (widget != NULL) {

   355

		const Widget *wi = widget;

   356

		uint index = 1;

   357

		while (wi->type != WWT_LAST) {

   358

			wi++;

   359

			index++;

   360

		}

   361

   362

		w->widget = malloc(sizeof(Widget) * index);

   363

		memcpy(w->widget, widget, sizeof(Widget) * index);

   364

	} else {

   365

		w->widget = NULL;

   366

	}

   367

}

   368

   369

Window *AllocateWindow(

   370

							int x,

   371

							int y,

   372

							int width,

   373

							int height,

   374

							WindowProc *proc,

   375

							WindowClass cls,

   376

							const Widget *widget)

   377

{

   378

	Window *w;

   379

   380

	w = _last_window;

   381

   382

	if (w >= endof(_windows)) {

   383

		w = FindDeletableWindow();

   384

   385

		if (w == NULL) // no window found, force it!

   386

			w = ForceFindDeletableWindow();

   387

   388

		DeleteWindow(w);

   389

		w = _last_window;

   390

	}

   391

   392

	if (w != _windows && cls != WC_NEWS_WINDOW) {

   393

		Window *v;

   394

   395

		v = FindWindowById(WC_MAIN_TOOLBAR, 0);

   396

		if (v) {

   397

			memmove(v+1, v, (byte*)w - (byte*)v);

   398

			w = v;

   399

		}

   400

   401

		v = FindWindowById(WC_STATUS_BAR, 0);

   402

		if (v) {

   403

			memmove(v+1, v, (byte*)w - (byte*)v);

   404

			w = v;

   405

		}

   406

	}

   407

   408

	/* XXX: some more code here */

   409

	w->window_class = cls;

   410

	w->flags4 = WF_WHITE_BORDER_MASK;

   411

	w->caption_color = 0xFF;

   412

	w->window_number = 0;

   413

	w->left = x;

   414

	w->top = y;

   415

	w->width = width;

   416

	w->height = height;

   417

	w->viewport = NULL;

   418

	w->desc_flags = 0;

   419

//	w->landscape_assoc = 0xFFFF;

   420

	w->wndproc = proc;

   421

	w->click_state = 0;

   422

	w->disabled_state = 0;

   423

	w->hidden_state = 0;

   424

//	w->unk22 = 0xFFFF;

   425

	w->vscroll.pos = 0;

   426

	w->vscroll.count = 0;

   427

	w->hscroll.pos = 0;

   428

	w->hscroll.count = 0;

   429

	AssignWidgetToWindow(w, widget);

   430

	w->resize.width = width;

   431

	w->resize.height = height;

   432

	w->resize.step_width = 1;

   433

	w->resize.step_height = 1;

   434

   435

	{

   436

		uint i;

   437

		for (i=0;i<lengthof(w->custom);i++)

   438

			w->custom[i] = 0;

   439

	}

   440

   441

	_last_window++;

   442

   443

	SetWindowDirty(w);

   444

   445

	CallWindowEventNP(w, WE_CREATE);

   446

   447

	return w;

   448

}

   449

   450

Window *AllocateWindowAutoPlace2(

   451

	WindowClass exist_class,

   452

	WindowNumber exist_num,

   453

	int width,

   454

	int height,

   455

	WindowProc *proc,

   456

	WindowClass cls,

   457

	const Widget *widget)

   458

{

   459

	Window *w;

   460

	int x;

   461

   462

	w = FindWindowById(exist_class, exist_num);

   463

	if (w == NULL || w->left >= (_screen.width-20) || w->left <= -60 || w->top >= (_screen.height-20)) {

   464

		return AllocateWindowAutoPlace(width,height,proc,cls,widget);

   465

	}

   466

   467

	x = w->left;

   468

	if (x > _screen.width - width)

   469

		x = (_screen.width - width) - 20;

   470

   471

	return AllocateWindow(x+10,w->top+10,width,height,proc,cls,widget);

   472

}

   473

   474

   475

typedef struct SizeRect {

   476

	int left,top,width,height;

   477

} SizeRect;

   478

   479

   480

static SizeRect _awap_r;

   481

   482

static bool IsGoodAutoPlace1(int left, int top)

   483

{

   484

	int right,bottom;

   485

	Window *w;

   486

   487

	_awap_r.left= left;

   488

	_awap_r.top = top;

   489

	right = _awap_r.width + left;

   490

	bottom = _awap_r.height + top;

   491

   492

	if (left < 0 || top < 22 || right > _screen.width || bottom > _screen.height)

   493

		return false;

   494

   495

	// Make sure it is not obscured by any window.

   496

	for(w=_windows; w!=_last_window; w++) {

   497

		if (w->window_class == WC_MAIN_WINDOW)

   498

			continue;

   499

   500

		if (right > w->left &&

   501

		    w->left + w->width > left &&

   502

				bottom > w->top &&

   503

				w->top + w->height > top)

   504

					return false;

   505

	}

   506

   507

	return true;

   508

}

   509

   510

static bool IsGoodAutoPlace2(int left, int top)

   511