1 /* 2 * Copyright 2001-2012, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _VIEW_H 6 #define _VIEW_H 7 8 9 #include <Alignment.h> 10 #include <Font.h> 11 #include <Handler.h> 12 #include <InterfaceDefs.h> 13 #include <Rect.h> 14 #include <Gradient.h> 15 16 17 // mouse button 18 enum { 19 B_PRIMARY_MOUSE_BUTTON = 0x01, 20 B_SECONDARY_MOUSE_BUTTON = 0x02, 21 B_TERTIARY_MOUSE_BUTTON = 0x04 22 }; 23 24 // mouse transit 25 enum { 26 B_ENTERED_VIEW = 0, 27 B_INSIDE_VIEW, 28 B_EXITED_VIEW, 29 B_OUTSIDE_VIEW 30 }; 31 32 // event mask 33 enum { 34 B_POINTER_EVENTS = 0x00000001, 35 B_KEYBOARD_EVENTS = 0x00000002 36 }; 37 38 // event mask options 39 enum { 40 B_LOCK_WINDOW_FOCUS = 0x00000001, 41 B_SUSPEND_VIEW_FOCUS = 0x00000002, 42 B_NO_POINTER_HISTORY = 0x00000004, 43 // NOTE: New in Haiku (unless this flag is 44 // specified, both BWindow and BView::GetMouse() 45 // will filter out older mouse moved messages) 46 B_FULL_POINTER_HISTORY = 0x00000008 47 }; 48 49 enum { 50 B_TRACK_WHOLE_RECT, 51 B_TRACK_RECT_CORNER 52 }; 53 54 // set font mask 55 enum { 56 B_FONT_FAMILY_AND_STYLE = 0x00000001, 57 B_FONT_SIZE = 0x00000002, 58 B_FONT_SHEAR = 0x00000004, 59 B_FONT_ROTATION = 0x00000008, 60 B_FONT_SPACING = 0x00000010, 61 B_FONT_ENCODING = 0x00000020, 62 B_FONT_FACE = 0x00000040, 63 B_FONT_FLAGS = 0x00000080, 64 B_FONT_FALSE_BOLD_WIDTH = 0x00000100, 65 B_FONT_ALL = 0x000001FF 66 }; 67 68 // view flags 69 const uint32 B_FULL_UPDATE_ON_RESIZE = 0x80000000UL; /* 31 */ 70 const uint32 _B_RESERVED1_ = 0x40000000UL; /* 30 */ 71 const uint32 B_WILL_DRAW = 0x20000000UL; /* 29 */ 72 const uint32 B_PULSE_NEEDED = 0x10000000UL; /* 28 */ 73 const uint32 B_NAVIGABLE_JUMP = 0x08000000UL; /* 27 */ 74 const uint32 B_FRAME_EVENTS = 0x04000000UL; /* 26 */ 75 const uint32 B_NAVIGABLE = 0x02000000UL; /* 25 */ 76 const uint32 B_SUBPIXEL_PRECISE = 0x01000000UL; /* 24 */ 77 const uint32 B_DRAW_ON_CHILDREN = 0x00800000UL; /* 23 */ 78 const uint32 B_INPUT_METHOD_AWARE = 0x00400000UL; /* 23 */ 79 const uint32 _B_RESERVED7_ = 0x00200000UL; /* 22 */ 80 const uint32 B_SUPPORTS_LAYOUT = 0x00100000UL; /* 21 */ 81 const uint32 B_INVALIDATE_AFTER_LAYOUT = 0x00080000UL; /* 20 */ 82 83 #define _RESIZE_MASK_ (0xffff) 84 85 const uint32 _VIEW_TOP_ = 1UL; 86 const uint32 _VIEW_LEFT_ = 2UL; 87 const uint32 _VIEW_BOTTOM_ = 3UL; 88 const uint32 _VIEW_RIGHT_ = 4UL; 89 const uint32 _VIEW_CENTER_ = 5UL; 90 91 inline uint32 _rule_(uint32 r1, uint32 r2, uint32 r3, uint32 r4) 92 { return ((r1 << 12) | (r2 << 8) | (r3 << 4) | r4); } 93 94 #define B_FOLLOW_NONE 0 95 #define B_FOLLOW_ALL_SIDES _rule_(_VIEW_TOP_, _VIEW_LEFT_, _VIEW_BOTTOM_, \ 96 _VIEW_RIGHT_) 97 #define B_FOLLOW_ALL B_FOLLOW_ALL_SIDES 98 99 #define B_FOLLOW_LEFT _rule_(0, _VIEW_LEFT_, 0, _VIEW_LEFT_) 100 #define B_FOLLOW_RIGHT _rule_(0, _VIEW_RIGHT_, 0, _VIEW_RIGHT_) 101 #define B_FOLLOW_LEFT_RIGHT _rule_(0, _VIEW_LEFT_, 0, _VIEW_RIGHT_) 102 #define B_FOLLOW_H_CENTER _rule_(0, _VIEW_CENTER_, 0, _VIEW_CENTER_) 103 104 #define B_FOLLOW_TOP _rule_(_VIEW_TOP_, 0, _VIEW_TOP_, 0) 105 #define B_FOLLOW_BOTTOM _rule_(_VIEW_BOTTOM_, 0, _VIEW_BOTTOM_, 0) 106 #define B_FOLLOW_TOP_BOTTOM _rule_(_VIEW_TOP_, 0, _VIEW_BOTTOM_, 0) 107 #define B_FOLLOW_V_CENTER _rule_(_VIEW_CENTER_, 0, _VIEW_CENTER_, 0) 108 109 class BBitmap; 110 class BCursor; 111 class BLayout; 112 class BLayoutContext; 113 class BLayoutItem; 114 class BMessage; 115 class BPicture; 116 class BPolygon; 117 class BRegion; 118 class BScrollBar; 119 class BScrollView; 120 class BShape; 121 class BShelf; 122 class BString; 123 class BToolTip; 124 class BWindow; 125 struct _array_data_; 126 struct _array_hdr_; 127 struct overlay_restrictions; 128 129 namespace BPrivate { 130 class ViewState; 131 }; 132 133 134 class BView : public BHandler { 135 public: 136 BView(const char* name, uint32 flags, 137 BLayout* layout = NULL); 138 BView(BRect frame, const char* name, 139 uint32 resizeMask, uint32 flags); 140 virtual ~BView(); 141 142 BView(BMessage* archive); 143 static BArchivable* Instantiate(BMessage* archive); 144 virtual status_t Archive(BMessage* archive, 145 bool deep = true) const; 146 virtual status_t AllUnarchived(const BMessage* archive); 147 virtual status_t AllArchived(BMessage* archive) const; 148 149 virtual void AttachedToWindow(); 150 virtual void AllAttached(); 151 virtual void DetachedFromWindow(); 152 virtual void AllDetached(); 153 154 virtual void MessageReceived(BMessage* message); 155 156 void AddChild(BView* child, BView* before = NULL); 157 bool AddChild(BLayoutItem* child); 158 bool RemoveChild(BView* child); 159 int32 CountChildren() const; 160 BView* ChildAt(int32 index) const; 161 BView* NextSibling() const; 162 BView* PreviousSibling() const; 163 bool RemoveSelf(); 164 165 BWindow* Window() const; 166 167 virtual void Draw(BRect updateRect); 168 virtual void MouseDown(BPoint where); 169 virtual void MouseUp(BPoint where); 170 virtual void MouseMoved(BPoint where, uint32 code, 171 const BMessage* dragMessage); 172 virtual void WindowActivated(bool state); 173 virtual void KeyDown(const char* bytes, int32 numBytes); 174 virtual void KeyUp(const char* bytes, int32 numBytes); 175 virtual void Pulse(); 176 virtual void FrameMoved(BPoint newPosition); 177 virtual void FrameResized(float newWidth, float newHeight); 178 179 virtual void TargetedByScrollView(BScrollView* scrollView); 180 void BeginRectTracking(BRect startRect, 181 uint32 style = B_TRACK_WHOLE_RECT); 182 void EndRectTracking(); 183 184 void GetMouse(BPoint* location, uint32* buttons, 185 bool checkMessageQueue = true); 186 187 void DragMessage(BMessage* message, BRect dragRect, 188 BHandler* replyTo = NULL); 189 void DragMessage(BMessage* message, BBitmap* bitmap, 190 BPoint offset, BHandler* replyTo = NULL); 191 void DragMessage(BMessage* message, BBitmap* bitmap, 192 drawing_mode dragMode, BPoint offset, 193 BHandler* replyTo = NULL); 194 195 BView* FindView(const char* name) const; 196 BView* Parent() const; 197 BRect Bounds() const; 198 BRect Frame() const; 199 void ConvertToScreen(BPoint* pt) const; 200 BPoint ConvertToScreen(BPoint pt) const; 201 void ConvertFromScreen(BPoint* pt) const; 202 BPoint ConvertFromScreen(BPoint pt) const; 203 void ConvertToScreen(BRect* r) const; 204 BRect ConvertToScreen(BRect r) const; 205 void ConvertFromScreen(BRect* r) const; 206 BRect ConvertFromScreen(BRect r) const; 207 void ConvertToParent(BPoint* pt) const; 208 BPoint ConvertToParent(BPoint pt) const; 209 void ConvertFromParent(BPoint* pt) const; 210 BPoint ConvertFromParent(BPoint pt) const; 211 void ConvertToParent(BRect* r) const; 212 BRect ConvertToParent(BRect r) const; 213 void ConvertFromParent(BRect* r) const; 214 BRect ConvertFromParent(BRect r) const; 215 BPoint LeftTop() const; 216 217 void GetClippingRegion(BRegion* region) const; 218 virtual void ConstrainClippingRegion(BRegion* region); 219 void ClipToPicture(BPicture* picture, 220 BPoint where = B_ORIGIN, bool sync = true); 221 void ClipToInversePicture(BPicture* picture, 222 BPoint where = B_ORIGIN, bool sync = true); 223 224 virtual void SetDrawingMode(drawing_mode mode); 225 drawing_mode DrawingMode() const; 226 227 void SetBlendingMode(source_alpha srcAlpha, 228 alpha_function alphaFunc); 229 void GetBlendingMode(source_alpha* srcAlpha, 230 alpha_function* alphaFunc) const; 231 232 virtual void SetPenSize(float size); 233 float PenSize() const; 234 235 void SetViewCursor(const BCursor* cursor, 236 bool sync = true); 237 238 virtual void SetViewColor(rgb_color c); 239 void SetViewColor(uchar r, uchar g, uchar b, 240 uchar a = 255); 241 rgb_color ViewColor() const; 242 243 void SetViewBitmap(const BBitmap* bitmap, 244 BRect srcRect, BRect dstRect, 245 uint32 followFlags 246 = B_FOLLOW_TOP | B_FOLLOW_LEFT, 247 uint32 options = B_TILE_BITMAP); 248 void SetViewBitmap(const BBitmap* bitmap, 249 uint32 followFlags 250 = B_FOLLOW_TOP | B_FOLLOW_LEFT, 251 uint32 options = B_TILE_BITMAP); 252 void ClearViewBitmap(); 253 254 status_t SetViewOverlay(const BBitmap* overlay, 255 BRect srcRect, BRect dstRect, 256 rgb_color* colorKey, 257 uint32 followFlags 258 = B_FOLLOW_TOP | B_FOLLOW_LEFT, 259 uint32 options = 0); 260 status_t SetViewOverlay(const BBitmap* overlay, 261 rgb_color* colorKey, 262 uint32 followFlags 263 = B_FOLLOW_TOP | B_FOLLOW_LEFT, 264 uint32 options = 0); 265 void ClearViewOverlay(); 266 267 virtual void SetHighColor(rgb_color a_color); 268 void SetHighColor(uchar r, uchar g, uchar b, 269 uchar a = 255); 270 rgb_color HighColor() const; 271 272 virtual void SetLowColor(rgb_color a_color); 273 void SetLowColor(uchar r, uchar g, uchar b, 274 uchar a = 255); 275 rgb_color LowColor() const; 276 277 void SetLineMode(cap_mode lineCap, 278 join_mode lineJoin, 279 float miterLimit = B_DEFAULT_MITER_LIMIT); 280 join_mode LineJoinMode() const; 281 cap_mode LineCapMode() const; 282 float LineMiterLimit() const; 283 284 void SetOrigin(BPoint pt); 285 void SetOrigin(float x, float y); 286 BPoint Origin() const; 287 288 void PushState(); 289 void PopState(); 290 291 void MovePenTo(BPoint pt); 292 void MovePenTo(float x, float y); 293 void MovePenBy(float x, float y); 294 BPoint PenLocation() const; 295 void StrokeLine(BPoint toPt, 296 pattern p = B_SOLID_HIGH); 297 void StrokeLine(BPoint a, BPoint b, 298 pattern p = B_SOLID_HIGH); 299 void BeginLineArray(int32 count); 300 void AddLine(BPoint a, BPoint b, rgb_color color); 301 void EndLineArray(); 302 303 void StrokePolygon(const BPolygon* polygon, 304 bool closed = true, 305 pattern p = B_SOLID_HIGH); 306 void StrokePolygon(const BPoint* ptArray, 307 int32 numPts, bool closed = true, 308 pattern p = B_SOLID_HIGH); 309 void StrokePolygon(const BPoint* ptArray, 310 int32 numPts, BRect bounds, 311 bool closed = true, 312 pattern p = B_SOLID_HIGH); 313 void FillPolygon(const BPolygon* polygon, 314 pattern p = B_SOLID_HIGH); 315 void FillPolygon(const BPoint* ptArray, 316 int32 numPts, pattern p = B_SOLID_HIGH); 317 void FillPolygon(const BPoint* ptArray, 318 int32 numPts, BRect bounds, 319 pattern p = B_SOLID_HIGH); 320 void FillPolygon(const BPolygon* polygon, 321 const BGradient& gradient); 322 void FillPolygon(const BPoint* ptArray, 323 int32 numPts, const BGradient& gradient); 324 void FillPolygon(const BPoint* ptArray, 325 int32 numPts, BRect bounds, 326 const BGradient& gradient); 327 328 void StrokeTriangle(BPoint pt1, BPoint pt2, 329 BPoint pt3, BRect bounds, 330 pattern p = B_SOLID_HIGH); 331 void StrokeTriangle(BPoint pt1, BPoint pt2, 332 BPoint pt3, pattern p = B_SOLID_HIGH); 333 void FillTriangle(BPoint pt1, BPoint pt2, 334 BPoint pt3, pattern p = B_SOLID_HIGH); 335 void FillTriangle(BPoint pt1, BPoint pt2, 336 BPoint pt3, BRect bounds, 337 pattern p = B_SOLID_HIGH); 338 void FillTriangle(BPoint pt1, BPoint pt2, 339 BPoint pt3, const BGradient& gradient); 340 void FillTriangle(BPoint pt1, BPoint pt2, 341 BPoint pt3, BRect bounds, 342 const BGradient& gradient); 343 344 void StrokeRect(BRect r, pattern p = B_SOLID_HIGH); 345 void FillRect(BRect r, pattern p = B_SOLID_HIGH); 346 void FillRect(BRect r, const BGradient& gradient); 347 void FillRegion(BRegion* region, 348 pattern p = B_SOLID_HIGH); 349 void FillRegion(BRegion* region, 350 const BGradient& gradient); 351 void InvertRect(BRect r); 352 353 void StrokeRoundRect(BRect r, float xRadius, 354 float yRadius, pattern p = B_SOLID_HIGH); 355 void FillRoundRect(BRect r, float xRadius, 356 float yRadius, pattern p = B_SOLID_HIGH); 357 void FillRoundRect(BRect r, float xRadius, 358 float yRadius, const BGradient& gradient); 359 360 void StrokeEllipse(BPoint center, float xRadius, 361 float yRadius, pattern p = B_SOLID_HIGH); 362 void StrokeEllipse(BRect r, 363 pattern p = B_SOLID_HIGH); 364 void FillEllipse(BPoint center, float xRadius, 365 float yRadius, pattern p = B_SOLID_HIGH); 366 void FillEllipse(BRect r, pattern p = B_SOLID_HIGH); 367 void FillEllipse(BPoint center, float xRadius, 368 float yRadius, const BGradient& gradient); 369 void FillEllipse(BRect r, 370 const BGradient& gradient); 371 372 void StrokeArc(BPoint center, float xRadius, 373 float yRadius, float startAngle, 374 float arcAngle, pattern p = B_SOLID_HIGH); 375 void StrokeArc(BRect r, float startAngle, 376 float arcAngle, pattern p = B_SOLID_HIGH); 377 void FillArc(BPoint center, float xRadius, 378 float yRadius, float startAngle, 379 float arcAngle, pattern p = B_SOLID_HIGH); 380 void FillArc(BRect r, float startAngle, 381 float arcAngle, pattern p = B_SOLID_HIGH); 382 void FillArc(BPoint center, float xRadius, 383 float yRadius, float startAngle, 384 float arcAngle, const BGradient& gradient); 385 void FillArc(BRect r, float startAngle, 386 float arcAngle, const BGradient& gradient); 387 388 void StrokeBezier(BPoint* controlPoints, 389 pattern p = B_SOLID_HIGH); 390 void FillBezier(BPoint* controlPoints, 391 pattern p = B_SOLID_HIGH); 392 void FillBezier(BPoint* controlPoints, 393 const BGradient& gradient); 394 395 void StrokeShape(BShape* shape, 396 pattern p = B_SOLID_HIGH); 397 void FillShape(BShape* shape, 398 pattern p = B_SOLID_HIGH); 399 void FillShape(BShape* shape, 400 const BGradient& gradient); 401 402 void CopyBits(BRect src, BRect dst); 403 404 void DrawBitmapAsync(const BBitmap* aBitmap, 405 BRect bitmapRect, BRect viewRect, 406 uint32 options); 407 void DrawBitmapAsync(const BBitmap* aBitmap, 408 BRect bitmapRect, BRect viewRect); 409 void DrawBitmapAsync(const BBitmap* aBitmap, 410 BRect viewRect); 411 void DrawBitmapAsync(const BBitmap* aBitmap, 412 BPoint where); 413 void DrawBitmapAsync(const BBitmap* aBitmap); 414 415 void DrawBitmap(const BBitmap* aBitmap, 416 BRect bitmapRect, BRect viewRect, 417 uint32 options); 418 void DrawBitmap(const BBitmap* aBitmap, 419 BRect bitmapRect, BRect viewRect); 420 void DrawBitmap(const BBitmap* aBitmap, 421 BRect viewRect); 422 void DrawBitmap(const BBitmap* aBitmap, 423 BPoint where); 424 void DrawBitmap(const BBitmap* aBitmap); 425 426 void DrawChar(char aChar); 427 void DrawChar(char aChar, BPoint location); 428 void DrawString(const char* string, 429 escapement_delta* delta = NULL); 430 void DrawString(const char* string, 431 BPoint location, 432 escapement_delta* delta = NULL); 433 void DrawString(const char* string, int32 length, 434 escapement_delta* delta = NULL); 435 void DrawString(const char* string, int32 length, 436 BPoint location, 437 escapement_delta* delta = 0L); 438 void DrawString(const char* string, 439 const BPoint* locations, 440 int32 locationCount); 441 void DrawString(const char* string, int32 length, 442 const BPoint* locations, 443 int32 locationCount); 444 445 virtual void SetFont(const BFont* font, 446 uint32 mask = B_FONT_ALL); 447 448 void GetFont(BFont* font) const; 449 void TruncateString(BString* in_out, uint32 mode, 450 float width) const; 451 float StringWidth(const char* string) const; 452 float StringWidth(const char* string, 453 int32 length) const; 454 void GetStringWidths(char* stringArray[], 455 int32 lengthArray[], int32 numStrings, 456 float widthArray[]) const; 457 void SetFontSize(float size); 458 void ForceFontAliasing(bool enable); 459 void GetFontHeight(font_height* height) const; 460 461 void Invalidate(BRect invalRect); 462 void Invalidate(const BRegion* invalRegion); 463 void Invalidate(); 464 465 void SetDiskMode(char* filename, long offset); 466 467 void BeginPicture(BPicture* a_picture); 468 void AppendToPicture(BPicture* a_picture); 469 BPicture* EndPicture(); 470 471 void DrawPicture(const BPicture* a_picture); 472 void DrawPicture(const BPicture* a_picture, 473 BPoint where); 474 void DrawPicture(const char* filename, long offset, 475 BPoint where); 476 void DrawPictureAsync(const BPicture* a_picture); 477 void DrawPictureAsync(const BPicture* a_picture, 478 BPoint where); 479 void DrawPictureAsync(const char* filename, 480 long offset, BPoint where); 481 482 status_t SetEventMask(uint32 mask, uint32 options = 0); 483 uint32 EventMask(); 484 status_t SetMouseEventMask(uint32 mask, 485 uint32 options = 0); 486 487 virtual void SetFlags(uint32 flags); 488 uint32 Flags() const; 489 virtual void SetResizingMode(uint32 mode); 490 uint32 ResizingMode() const; 491 void MoveBy(float dh, float dv); 492 void MoveTo(BPoint where); 493 void MoveTo(float x, float y); 494 void ResizeBy(float dh, float dv); 495 void ResizeTo(float width, float height); 496 void ResizeTo(BSize size); 497 void ScrollBy(float dh, float dv); 498 void ScrollTo(float x, float y); 499 virtual void ScrollTo(BPoint where); 500 virtual void MakeFocus(bool focusState = true); 501 bool IsFocus() const; 502 503 virtual void Show(); 504 virtual void Hide(); 505 bool IsHidden() const; 506 bool IsHidden(const BView* looking_from) const; 507 508 void Flush() const; 509 void Sync() const; 510 511 virtual void GetPreferredSize(float* width, float* height); 512 virtual void ResizeToPreferred(); 513 514 BScrollBar* ScrollBar(orientation posture) const; 515 516 virtual BHandler* ResolveSpecifier(BMessage* msg, int32 index, 517 BMessage* specifier, int32 form, 518 const char* property); 519 virtual status_t GetSupportedSuites(BMessage* data); 520 521 bool IsPrinting() const; 522 void SetScale(float scale) const; 523 float Scale() const; 524 // new for Haiku 525 526 virtual status_t Perform(perform_code code, void* data); 527 528 virtual void DrawAfterChildren(BRect r); 529 530 // layout related 531 532 virtual BSize MinSize(); 533 virtual BSize MaxSize(); 534 virtual BSize PreferredSize(); 535 virtual BAlignment LayoutAlignment(); 536 537 void SetExplicitMinSize(BSize size); 538 void SetExplicitMaxSize(BSize size); 539 void SetExplicitPreferredSize(BSize size); 540 void SetExplicitSize(BSize size); 541 void SetExplicitAlignment(BAlignment alignment); 542 543 BSize ExplicitMinSize() const; 544 BSize ExplicitMaxSize() const; 545 BSize ExplicitPreferredSize() const; 546 BAlignment ExplicitAlignment() const; 547 548 virtual bool HasHeightForWidth(); 549 virtual void GetHeightForWidth(float width, float* min, 550 float* max, float* preferred); 551 552 void InvalidateLayout(bool descendants = false); 553 virtual void SetLayout(BLayout* layout); 554 BLayout* GetLayout() const; 555 556 void EnableLayoutInvalidation(); 557 void DisableLayoutInvalidation(); 558 bool IsLayoutInvalidationDisabled(); 559 bool IsLayoutValid() const; 560 void ResetLayoutInvalidation(); 561 562 BLayoutContext* LayoutContext() const; 563 564 void Layout(bool force); 565 void Relayout(); 566 567 class Private; 568 569 protected: 570 virtual void LayoutInvalidated(bool descendants = false); 571 virtual void DoLayout(); 572 573 public: 574 // tool tip support 575 576 void SetToolTip(const char* text); 577 void SetToolTip(BToolTip* tip); 578 BToolTip* ToolTip() const; 579 580 void ShowToolTip(BToolTip* tip = NULL); 581 void HideToolTip(); 582 583 protected: 584 virtual bool GetToolTipAt(BPoint point, BToolTip** _tip); 585 586 virtual void LayoutChanged(); 587 588 void ScrollWithMouseWheelDelta(BScrollBar*, float); 589 590 private: 591 void _Layout(bool force, BLayoutContext* context); 592 void _LayoutLeft(BLayout* deleted); 593 void _InvalidateParentLayout(); 594 595 private: 596 // FBC padding and forbidden methods 597 virtual void _ReservedView13(); 598 virtual void _ReservedView14(); 599 virtual void _ReservedView15(); 600 virtual void _ReservedView16(); 601 602 BView(const BView&); 603 BView& operator=(const BView&); 604 605 private: 606 struct LayoutData; 607 608 friend class Private; 609 friend class BBitmap; 610 friend class BLayout; 611 friend class BPrintJob; 612 friend class BScrollBar; 613 friend class BShelf; 614 friend class BTabView; 615 friend class BWindow; 616 617 void _InitData(BRect frame, const char* name, 618 uint32 resizeMask, uint32 flags); 619 status_t _SetViewBitmap(const BBitmap* bitmap, 620 BRect srcRect, BRect dstRect, 621 uint32 followFlags, uint32 options); 622 void _ClipToPicture(BPicture* picture, BPoint where, 623 bool invert, bool sync); 624 625 bool _CheckOwnerLockAndSwitchCurrent() const; 626 bool _CheckOwnerLock() const; 627 void _CheckLockAndSwitchCurrent() const; 628 void _CheckLock() const; 629 void _SwitchServerCurrentView() const; 630 631 void _SetOwner(BWindow* newOwner); 632 void _RemoveCommArray(); 633 634 BShelf* _Shelf() const; 635 void _SetShelf(BShelf* shelf); 636 637 void _MoveTo(int32 x, int32 y); 638 void _ResizeBy(int32 deltaWidth, int32 deltaHeight); 639 void _ParentResizedBy(int32 deltaWidth, 640 int32 deltaHeight); 641 642 void _ConvertToScreen(BPoint* pt, 643 bool checkLock) const; 644 void _ConvertFromScreen(BPoint* pt, 645 bool checkLock) const; 646 647 void _ConvertToParent(BPoint* pt, 648 bool checkLock) const; 649 void _ConvertFromParent(BPoint* pt, 650 bool checkLock) const; 651 652 void _Activate(bool state); 653 void _Attach(); 654 void _Detach(); 655 void _Draw(BRect screenUpdateRect); 656 void _DrawAfterChildren(BRect screenUpdateRect); 657 void _Pulse(); 658 659 void _UpdateStateForRemove(); 660 void _UpdatePattern(::pattern pattern); 661 662 void _FlushIfNotInTransaction(); 663 664 bool _CreateSelf(); 665 bool _AddChildToList(BView* child, 666 BView* before = NULL); 667 bool _RemoveChildFromList(BView* child); 668 669 bool _AddChild(BView *child, BView *before); 670 bool _RemoveSelf(); 671 672 // Debugging methods 673 void _PrintToStream(); 674 void _PrintTree(); 675 676 int32 _unused_int1; 677 678 uint32 fFlags; 679 BPoint fParentOffset; 680 BWindow* fOwner; 681 BView* fParent; 682 BView* fNextSibling; 683 BView* fPreviousSibling; 684 BView* fFirstChild; 685 686 int16 fShowLevel; 687 bool fTopLevelView; 688 bool fNoISInteraction; 689 BPicture* fCurrentPicture; 690 _array_data_* fCommArray; 691 692 BScrollBar* fVerScroller; 693 BScrollBar* fHorScroller; 694 bool fIsPrinting; 695 bool fAttached; 696 bool _unused_bool1; 697 bool _unused_bool2; 698 BPrivate::ViewState* fState; 699 BRect fBounds; 700 BShelf* fShelf; 701 uint32 fEventMask; 702 uint32 fEventOptions; 703 uint32 fMouseEventOptions; 704 705 LayoutData* fLayoutData; 706 BToolTip* fToolTip; 707 708 uint32 _reserved[6]; 709 }; 710 711 712 // #pragma mark - inline definitions 713 714 715 inline void 716 BView::ScrollTo(float x, float y) 717 { 718 ScrollTo(BPoint(x, y)); 719 } 720 721 722 inline void 723 BView::SetViewColor(uchar r, uchar g, uchar b, uchar a) 724 { 725 rgb_color color; 726 color.red = r; 727 color.green = g; 728 color.blue = b; 729 color.alpha = a; 730 SetViewColor(color); 731 } 732 733 734 inline void 735 BView::SetHighColor(uchar r, uchar g, uchar b, uchar a) 736 { 737 rgb_color color; 738 color.red = r; 739 color.green = g; 740 color.blue = b; 741 color.alpha = a; 742 SetHighColor(color); 743 } 744 745 746 inline void 747 BView::SetLowColor(uchar r, uchar g, uchar b, uchar a) 748 { 749 rgb_color color; 750 color.red = r; 751 color.green = g; 752 color.blue = b; 753 color.alpha = a; 754 SetLowColor(color); 755 } 756 757 758 #endif // _VIEW_H 759