1 /* 2 * Copyright 2001-2009, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Adrian Oanca <adioanca@cotty.iren.ro> 7 */ 8 #ifndef _WINDOW_H 9 #define _WINDOW_H 10 11 12 #include <BeBuild.h> 13 #include <InterfaceDefs.h> 14 #include <List.h> 15 #include <Looper.h> 16 #include <Rect.h> 17 #include <StorageDefs.h> 18 #include <View.h> 19 20 class BButton; 21 class BMenuBar; 22 class BMenuItem; 23 class BMessage; 24 class BMessageRunner; 25 class BMessenger; 26 class BView; 27 28 namespace BPrivate { 29 class PortLink; 30 }; 31 32 33 enum window_type { 34 B_UNTYPED_WINDOW = 0, 35 B_TITLED_WINDOW = 1, 36 B_MODAL_WINDOW = 3, 37 B_DOCUMENT_WINDOW = 11, 38 B_BORDERED_WINDOW = 20, 39 B_FLOATING_WINDOW = 21 40 }; 41 42 enum window_look { 43 B_BORDERED_WINDOW_LOOK = 20, 44 B_NO_BORDER_WINDOW_LOOK = 19, 45 B_TITLED_WINDOW_LOOK = 1, 46 B_DOCUMENT_WINDOW_LOOK = 11, 47 B_MODAL_WINDOW_LOOK = 3, 48 B_FLOATING_WINDOW_LOOK = 7 49 }; 50 51 enum window_feel { 52 B_NORMAL_WINDOW_FEEL = 0, 53 B_MODAL_SUBSET_WINDOW_FEEL = 2, 54 B_MODAL_APP_WINDOW_FEEL = 1, 55 B_MODAL_ALL_WINDOW_FEEL = 3, 56 B_FLOATING_SUBSET_WINDOW_FEEL = 5, 57 B_FLOATING_APP_WINDOW_FEEL = 4, 58 B_FLOATING_ALL_WINDOW_FEEL = 6 59 }; 60 61 enum window_alignment { 62 B_BYTE_ALIGNMENT = 0, 63 B_PIXEL_ALIGNMENT = 1 64 }; 65 66 // window flags 67 enum { 68 B_NOT_MOVABLE = 0x00000001, 69 B_NOT_CLOSABLE = 0x00000020, 70 B_NOT_ZOOMABLE = 0x00000040, 71 B_NOT_MINIMIZABLE = 0x00004000, 72 B_NOT_RESIZABLE = 0x00000002, 73 B_NOT_H_RESIZABLE = 0x00000004, 74 B_NOT_V_RESIZABLE = 0x00000008, 75 B_AVOID_FRONT = 0x00000080, 76 B_AVOID_FOCUS = 0x00002000, 77 B_WILL_ACCEPT_FIRST_CLICK = 0x00000010, 78 B_OUTLINE_RESIZE = 0x00001000, 79 B_NO_WORKSPACE_ACTIVATION = 0x00000100, 80 B_NOT_ANCHORED_ON_ACTIVATE = 0x00020000, 81 B_ASYNCHRONOUS_CONTROLS = 0x00080000, 82 B_QUIT_ON_WINDOW_CLOSE = 0x00100000, 83 B_SAME_POSITION_IN_ALL_WORKSPACES = 0x00200000, 84 B_AUTO_UPDATE_SIZE_LIMITS = 0x00400000, 85 B_CLOSE_ON_ESCAPE = 0x00800000 86 }; 87 88 #define B_CURRENT_WORKSPACE 0 89 #define B_ALL_WORKSPACES 0xffffffff 90 91 //---------------------------------------------------------------- 92 93 class BWindow : public BLooper { 94 public: 95 BWindow(BRect frame, const char* title, 96 window_type type, uint32 flags, 97 uint32 workspace = B_CURRENT_WORKSPACE); 98 BWindow(BRect frame, const char* title, 99 window_look look, window_feel feel, uint32 flags, 100 uint32 workspace = B_CURRENT_WORKSPACE); 101 virtual ~BWindow(); 102 103 BWindow(BMessage* data); 104 static BArchivable* Instantiate(BMessage* data); 105 virtual status_t Archive(BMessage* data, bool deep = true) const; 106 107 virtual void Quit(); 108 void Close() { Quit(); } 109 110 void AddChild(BView* child, BView* before = NULL); 111 bool RemoveChild(BView* child); 112 int32 CountChildren() const; 113 BView* ChildAt(int32 index) const; 114 115 virtual void DispatchMessage(BMessage* message, 116 BHandler* handler); 117 virtual void MessageReceived(BMessage* message); 118 virtual void FrameMoved(BPoint newPosition); 119 virtual void WorkspacesChanged(uint32 oldWorkspaces, 120 uint32 newWorkspaces); 121 virtual void WorkspaceActivated(int32 workspace, bool state); 122 virtual void FrameResized(float newWidth, float newHeight); 123 virtual void Minimize(bool minimize); 124 virtual void Zoom(BPoint origin, float width, float height); 125 void Zoom(); 126 void SetZoomLimits(float maxWidth, float maxHeight); 127 virtual void ScreenChanged(BRect screenSize, color_space format); 128 129 void SetPulseRate(bigtime_t rate); 130 bigtime_t PulseRate() const; 131 132 void AddShortcut(uint32 key, uint32 modifiers, 133 BMessage* message); 134 void AddShortcut(uint32 key, uint32 modifiers, 135 BMessage* message, BHandler* target); 136 void RemoveShortcut(uint32 key, uint32 modifiers); 137 138 void SetDefaultButton(BButton* button); 139 BButton* DefaultButton() const; 140 141 virtual void MenusBeginning(); 142 virtual void MenusEnded(); 143 144 bool NeedsUpdate() const; 145 void UpdateIfNeeded(); 146 147 BView* FindView(const char* viewName) const; 148 BView* FindView(BPoint) const; 149 BView* CurrentFocus() const; 150 151 void Activate(bool = true); 152 virtual void WindowActivated(bool state); 153 154 void ConvertToScreen(BPoint* point) const; 155 BPoint ConvertToScreen(BPoint point) const; 156 void ConvertFromScreen(BPoint* point) const; 157 BPoint ConvertFromScreen(BPoint point) const; 158 void ConvertToScreen(BRect* rect) const; 159 BRect ConvertToScreen(BRect rect) const; 160 void ConvertFromScreen(BRect* rect) const; 161 BRect ConvertFromScreen(BRect rect) const; 162 163 void MoveBy(float dx, float dy); 164 void MoveTo(BPoint); 165 void MoveTo(float x, float y); 166 void ResizeBy(float dx, float dy); 167 void ResizeTo(float width, float height); 168 169 virtual void Show(); 170 virtual void Hide(); 171 bool IsHidden() const; 172 bool IsMinimized() const; 173 174 void Flush() const; 175 void Sync() const; 176 177 status_t SendBehind(const BWindow* window); 178 179 void DisableUpdates(); 180 void EnableUpdates(); 181 182 void BeginViewTransaction(); 183 // referred as OpenViewTransaction() in BeBook 184 void EndViewTransaction(); 185 // referred as CommitViewTransaction() in BeBook 186 187 BRect Bounds() const; 188 BRect Frame() const; 189 const char* Title() const; 190 void SetTitle(const char* title); 191 bool IsFront() const; 192 bool IsActive() const; 193 194 void SetKeyMenuBar(BMenuBar* bar); 195 BMenuBar* KeyMenuBar() const; 196 197 void SetSizeLimits(float minWidth, float maxWidth, 198 float minHeight, float maxHeight); 199 void GetSizeLimits(float* minWidth, float* maxWidth, 200 float* minHeight, float* maxHeight); 201 202 status_t SetDecoratorSettings(const BMessage& settings); 203 status_t GetDecoratorSettings(BMessage* settings) const; 204 205 uint32 Workspaces() const; 206 void SetWorkspaces(uint32); 207 208 BView* LastMouseMovedView() const; 209 210 virtual BHandler* ResolveSpecifier(BMessage* message, int32 index, 211 BMessage* specifier, int32 form, 212 const char* property); 213 virtual status_t GetSupportedSuites(BMessage* data); 214 215 status_t AddToSubset(BWindow* window); 216 status_t RemoveFromSubset(BWindow* window); 217 218 virtual status_t Perform(perform_code d, void* arg); 219 220 status_t SetType(window_type type); 221 window_type Type() const; 222 223 status_t SetLook(window_look look); 224 window_look Look() const; 225 226 status_t SetFeel(window_feel feel); 227 window_feel Feel() const; 228 229 status_t SetFlags(uint32); 230 uint32 Flags() const; 231 232 bool IsModal() const; 233 bool IsFloating() const; 234 235 status_t SetWindowAlignment(window_alignment mode, int32 h, 236 int32 hOffset = 0, int32 width = 0, 237 int32 widthOffset = 0, int32 v = 0, 238 int32 vOffset = 0, int32 height = 0, 239 int32 heightOffset = 0); 240 status_t GetWindowAlignment(window_alignment* mode = NULL, 241 int32* h = NULL, int32* hOffset = NULL, 242 int32* width = NULL, int32* widthOffset = NULL, 243 int32* v = NULL, int32* vOffset = NULL, 244 int32* height = NULL, 245 int32* heightOffset = NULL) const; 246 247 virtual bool QuitRequested(); 248 virtual thread_id Run(); 249 250 virtual void SetLayout(BLayout* layout); 251 BLayout* GetLayout() const; 252 253 void InvalidateLayout(bool descendants = false); 254 255 private: 256 typedef BLooper inherited; 257 struct unpack_cookie; 258 class Shortcut; 259 260 friend class BApplication; 261 friend class BBitmap; 262 friend class BView; 263 friend class BMenuItem; 264 friend class BWindowScreen; 265 friend class BDirectWindow; 266 friend class BFilePanel; 267 268 friend void _set_menu_sem_(BWindow* w, sem_id sem); 269 friend status_t _safe_get_server_token_(const BLooper*, int32*); 270 271 virtual void _ReservedWindow2(); 272 virtual void _ReservedWindow3(); 273 virtual void _ReservedWindow4(); 274 virtual void _ReservedWindow5(); 275 virtual void _ReservedWindow6(); 276 virtual void _ReservedWindow7(); 277 virtual void _ReservedWindow8(); 278 279 BWindow(); 280 BWindow(BWindow&); 281 BWindow& operator=(BWindow&); 282 283 BWindow(BRect frame, int32 bitmapToken); 284 void _InitData(BRect frame, const char* title, 285 window_look look, window_feel feel, 286 uint32 flags, uint32 workspace, 287 int32 bitmapToken = -1); 288 289 virtual void task_looper(); 290 291 virtual BMessage* ConvertToMessage(void* raw, int32 code); 292 293 void AddShortcut(uint32 key, uint32 modifiers, 294 BMenuItem* item); 295 BHandler* _DetermineTarget(BMessage* message, 296 BHandler* target); 297 bool _IsFocusMessage(BMessage* message); 298 bool _UnpackMessage(unpack_cookie& state, 299 BMessage** _message, BHandler** _target, 300 bool* _usePreferred); 301 void _SanitizeMessage(BMessage* message, 302 BHandler* target, bool usePreferred); 303 bool _StealMouseMessage(BMessage* message, 304 bool& deleteMessage); 305 uint32 _TransitForMouseMoved(BView* view, 306 BView* viewUnderMouse) const; 307 308 bool InUpdate(); 309 void _DequeueAll(); 310 window_type _ComposeType(window_look look, 311 window_feel feel) const; 312 void _DecomposeType(window_type type, window_look* look, 313 window_feel* feel) const; 314 315 void SetIsFilePanel(bool yes); 316 bool IsFilePanel() const; 317 318 void _CreateTopView(); 319 void _AdoptResize(); 320 void _SetFocus(BView* focusView, 321 bool notifyIputServer = false); 322 void _SetName(const char* title); 323 324 Shortcut* _FindShortcut(uint32 key, uint32 modifiers); 325 BView* _FindView(BView* view, BPoint point) const; 326 BView* _FindView(int32 token); 327 BView* _LastViewChild(BView* parent); 328 329 BView* _FindNextNavigable(BView *focus, uint32 flags); 330 BView* _FindPreviousNavigable(BView *focus, uint32 flags); 331 bool _HandleKeyDown(BMessage* event); 332 void _KeyboardNavigation(); 333 334 private: 335 char* fTitle; 336 int32 _unused0; 337 bool fInTransaction; 338 bool fActive; 339 short fShowLevel; 340 uint32 fFlags; 341 342 BView* fTopView; 343 BView* fFocus; 344 BView* fLastMouseMovedView; 345 uint32 _unused1; 346 BMenuBar* fKeyMenuBar; 347 BButton* fDefaultButton; 348 BList fShortcuts; 349 int32 fTopViewToken; 350 bool fUpdateRequested; 351 bool fOffscreen; 352 bool fIsFilePanel; 353 bool _unused4; 354 bigtime_t fPulseRate; 355 bool _unused5; 356 bool fMinimized; 357 bool fNoQuitShortcut; 358 bool _unused6; 359 sem_id fMenuSem; 360 float fMaxZoomHeight; 361 float fMaxZoomWidth; 362 float fMinHeight; 363 float fMinWidth; 364 float fMaxHeight; 365 float fMaxWidth; 366 BRect fFrame; 367 window_look fLook; 368 window_feel fFeel; 369 int32 fLastViewToken; 370 BPrivate::PortLink* fLink; 371 BMessageRunner* fPulseRunner; 372 BRect fPreviousFrame; 373 374 uint32 _reserved[9]; 375 }; 376 377 #endif // _WINDOW_H 378