1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "map.h"

     4

#include "window.h"

     5

#include "gfx.h"

     6

#include "viewport.h"

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#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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		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;

    44

			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);

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		}

    50

    51

		w->wndproc(w, &e);

    52

    53

		if (w->desc_flags & WDF_STD_BTN) {

    54

			if (e.click.widget == 0) {

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				DeleteWindow(w);

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				return;

    57

			} else {

    58

				if (e.click.widget == 1) {

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					StartWindowDrag(w);

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				}

    61

			}

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		}

    63

    64

		if (w->desc_flags & WDF_RESIZABLE && wi->type == WWT_RESIZEBOX) {

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			StartWindowSizing(w);

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		}

    67

    68

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

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			w->click_state ^= (1 << e.click.widget);

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			w->flags4 ^= WF_STICKY;

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			InvalidateWidget(w, e.click.widget);

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		}

    73

	} else {

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		w->wndproc(w, &e);

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	}

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}

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    78

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

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	WindowEvent e;

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    81

	/* 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 */

    86

    87

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

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

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			return;

    90

		}

    91

	}

    92

    93

	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);

    97

}

    98

    99

   100

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

   101

{

   102

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

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

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	Scrollbar *sb;

   105

   106

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

   107

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

   108

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

   109

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

   110

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

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

   112

   113

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

   114

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

   115

			if (pos != sb->pos) {

   116

				sb->pos = pos;

   117

				SetWindowDirty(w);

   118

			}

   119

		}

   120

	}

   121

}

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   123

   124

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

   125

{

   126

	Window *w;

   127

	DrawPixelInfo bk;

   128

	_cur_dpi = &bk;

   129

   130

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

   131

		if (right > w->left &&

   132

				bottom > w->top &&

   133

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

   134

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

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

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			}

   137

	}

   138

}

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   140

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

   141

{

   142

	Window *v = w;

   143

	int x;

   144

   145

	while (++v != _last_window) {

   146

		if (right > v->left &&

   147

		 		bottom > v->top &&

   148

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

   149

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

   150

   151

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

   152

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

   153

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

   154

				return;

   155

			}

   156

   157

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

   158

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

   159

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

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				return;

   161

			}

   162

   163

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

   164

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

   165

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

   166

				return;

   167

			}

   168

   169

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

   170

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

   171

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

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				return;

   173

			}

   174

   175

			return;

   176

		}

   177

	}

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   179

	{

   180

		DrawPixelInfo *dp = _cur_dpi;

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		dp->width = right - left;

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		dp->height = bottom - top;

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

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

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		dp->pitch = _screen.pitch;

   186

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

   187

		dp->zoom = 0;

   188

		CallWindowEventNP(w, WE_PAINT);

   189

	}

   190

}

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   192

void CallWindowEventNP(Window *w, int event)

   193

{

   194

	WindowEvent e;

   195

   196

	e.event = event;

   197

	w->wndproc(w, &e);

   198

}

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   200

void SetWindowDirty(Window *w)

   201

{

   202

	if (w == NULL)

   203

		return;

   204

   205

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

   206

}

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   208

void DeleteWindow(Window *w)

   209

{

   210

	WindowClass wc;

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	WindowNumber wn;

   212

	ViewPort *vp;

   213

	Window *v;

   214

	int count;

   215

   216

	if (w == NULL)

   217

		return;

   218

   219

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

   220

		ResetObjectToPlace();

   221

	}

   222

   223

	wc = w->window_class;

   224

	wn = w->window_number;

   225

   226

	CallWindowEventNP(w, WE_DESTROY);

   227

   228

	w = FindWindowById(wc, wn);

   229

   230

	vp = w->viewport;

   231

	w->viewport = NULL;

   232

	if (vp != NULL) {

   233

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

   234

		vp->width = 0;

   235

	}

   236

   237

	SetWindowDirty(w);

   238

   239

	free(w->widget);

   240

   241

	v = --_last_window;

   242

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

   243

	memcpy(w, w + 1, count);

   244

}

   245

   246

Window *FindWindowById(WindowClass cls, WindowNumber number)

   247

{

   248

	Window *w;

   249

   250

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

   251

		if (w->window_class == cls &&

   252

			  w->window_number == number) {

   253

			return w;

   254

		}

   255

	}

   256

   257

	return NULL;

   258

}

   259

   260

void DeleteWindowById(WindowClass cls, WindowNumber number)

   261

{

   262

	DeleteWindow(FindWindowById(cls, number));

   263

}

   264

   277

Window *BringWindowToFrontById(WindowClass cls, WindowNumber number)

   278

{

   279

	Window *w = FindWindowById(cls, number);

   280

   281

	if (w != NULL) {

   282

		w->flags4 |= WF_WHITE_BORDER_MASK;

   283

		SetWindowDirty(w);

   284

		w = BringWindowToFront(w);

   285

	}

   286

   287

	return w;

   288

}

   289

   290

Window *BringWindowToFront(Window *w)

   291

{

   292

	Window *v;

   293

	Window temp;

   294

   295

	v = _last_window;

   296

	do {

   297

		if (--v < _windows)

   298

			return w;

   299

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

   300

   301

	if (w == v)

   302

		return w;

   303

   304

	assert(w < v);

   305

   306

	temp = *w;

   307

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

   308

	*v = temp;

   309

   310

	SetWindowDirty(v);

   311

   312

	return v;

   313

}

   314

   315

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

   316

 * Keep all important windows intact */

   317

static Window *FindDeletableWindow(void)

   318

{

   319

	Window *w;

   320

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

   321

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

   322

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

   323

				!(w->flags4 & WF_STICKY) )

   324

				return w;

   325

	}

   326

	return NULL;

   327

}

   328

   329

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

   330

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

   331

static Window *ForceFindDeletableWindow(void)

   332

{

   333

	Window *w;

   334

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

   335

		assert(w < _last_window);

   336

   337

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

   338

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

   339

				return w;

   340

	}

   341

}

   342

   343

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

   344

{

   345

	return (w->original_widget == widget);

   346

}

   347

   348

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

   349

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

   350

{

   351

	w->original_widget = widget;

   352

   353

	if (widget != NULL) {

   354

		const Widget *wi = widget;

   355

		uint index = 1;

   356

		while (wi->type != WWT_LAST) {

   357

			wi++;

   358

			index++;

   359

		}

   360

   361

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

   362

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

   363

	} else {

   364

		w->widget = NULL;

   365

	}

   366

}

   367

   368

Window *AllocateWindow(

   369

							int x,

   370

							int y,

   371

							int width,

   372

							int height,

   373

							WindowProc *proc,

   374

							WindowClass cls,

   375

							const Widget *widget)

   376

{

   377

	Window *w;

   378

   379

	w = _last_window;

   380

   381

	if (w >= endof(_windows)) {

   382

		w = FindDeletableWindow();

   383

   384

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

   385

			w = ForceFindDeletableWindow();

   386

   387

		DeleteWindow(w);

   388

		w = _last_window;

   389

	}

   390

   391

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

   392

		Window *v;

   393

   394

		v = FindWindowById(WC_MAIN_TOOLBAR, 0);

   395

		if (v) {

   396

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

   397

			w = v;

   398

		}

   399

   400

		v = FindWindowById(WC_STATUS_BAR, 0);

   401

		if (v) {

   402

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

   403

			w = v;

   404

		}

   405

	}

   406

   407

	/* XXX: some more code here */

   408

	w->window_class = cls;

   409

	w->flags4 = WF_WHITE_BORDER_MASK;

   410

	w->caption_color = 0xFF;

   411

	w->window_number = 0;

   412

	w->left = x;

   413

	w->top = y;

   414

	w->width = width;

   415

	w->height = height;

   416

	w->viewport = NULL;

   417

	w->desc_flags = 0;

   418

//	w->landscape_assoc = 0xFFFF;

   419

	w->wndproc = proc;

   420

	w->click_state = 0;

   421

	w->disabled_state = 0;

   422

	w->hidden_state = 0;

   423

//	w->unk22 = 0xFFFF;

   424

	w->vscroll.pos = 0;

   425

	w->vscroll.count = 0;

   426

	w->hscroll.pos = 0;

   427

	w->hscroll.count = 0;

   428

	AssignWidgetToWindow(w, widget);

   429

	w->resize.width = width;

   430

	w->resize.height = height;

   431

	w->resize.step_width = 1;

   432

	w->resize.step_height = 1;

   433

   434

	{

   435

		uint i;

   436

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

   437

			w->custom[i] = 0;

   438

	}

   439

   440

	_last_window++;

   441

   442

	SetWindowDirty(w);

   443

   444

	CallWindowEventNP(w, WE_CREATE);

   445

   446

	return w;

   447

}

   448

   449

Window *AllocateWindowAutoPlace2(

   450

	WindowClass exist_class,

   451

	WindowNumber exist_num,

   452

	int width,

   453

	int height,

   454

	WindowProc *proc,

   455

	WindowClass cls,

   456

	const Widget *widget)

   457

{

   458

	Window *w;

   459

	int x;

   460

   461

	w = FindWindowById(exist_class, exist_num);

   462

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

   463

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

   464

	}

   465

   466

	x = w->left;

   467

	if (x > _screen.width - width)

   468

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

   469

   470

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

   471

}

   472

   473

   474

typedef struct SizeRect {

   475

	int left,top,width,height;

   476

} SizeRect;

   477

   478

   479

static SizeRect _awap_r;

   480

   481

static bool IsGoodAutoPlace1(int left, int top)

   482

{

   483

	int right,bottom;

   484

	Window *w;

   485

   486

	_awap_r.left= left;

   487

	_awap_r.top = top;

   488

	right = _awap_r.width + left;

   489

	bottom = _awap_r.height + top;

   490

   491

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

   492

		return false;

   493

   494

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

   495

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

   496

		if (w->window_class == WC_MAIN_WINDOW)

   497

			continue;

   498

   499

		if (right > w->left &&

   500

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

   501

				bottom > w->top &&

   502

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

   503

					return false;

   504

	}

   505

   506

	return true;

   507

}

   508

   509

static bool IsGoodAutoPlace2(int left, int top)

   510

{

   511

	int width,height;

   512

	Window *w;