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00001 /******************************************************************************** 00002 * * 00003 * W i n d o w O b j e c t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2004 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Lesser General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2.1 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public * 00019 * License along with this library; if not, write to the Free Software * 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * 00021 ********************************************************************************* 00022 * $Id: FXWindow.h,v 1.105 2004/02/08 17:17:34 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXWINDOW_H 00025 #define FXWINDOW_H 00026 00027 #ifndef FXDRAWABLE_H 00028 #include "FXDrawable.h" 00029 #endif 00030 00031 00032 namespace FX { 00033 00034 00035 /// Layout hints for child widgets 00036 enum { 00037 LAYOUT_NORMAL = 0, /// Default layout mode 00038 LAYOUT_SIDE_TOP = 0, /// Pack on top side (default) 00039 LAYOUT_SIDE_BOTTOM = 0x00000001, /// Pack on bottom side 00040 LAYOUT_SIDE_LEFT = 0x00000002, /// Pack on left side 00041 LAYOUT_SIDE_RIGHT = LAYOUT_SIDE_LEFT|LAYOUT_SIDE_BOTTOM, /// Pack on right side 00042 LAYOUT_FILL_COLUMN = 0x00000001, /// Matrix column is stretchable 00043 LAYOUT_FILL_ROW = 0x00000002, /// Matrix row is stretchable 00044 LAYOUT_LEFT = 0, /// Stick on left (default) 00045 LAYOUT_RIGHT = 0x00000004, /// Stick on right 00046 LAYOUT_CENTER_X = 0x00000008, /// Center horizontally 00047 LAYOUT_FIX_X = LAYOUT_RIGHT|LAYOUT_CENTER_X, /// X fixed 00048 LAYOUT_TOP = 0, /// Stick on top (default) 00049 LAYOUT_BOTTOM = 0x00000010, /// Stick on bottom 00050 LAYOUT_CENTER_Y = 0x00000020, /// Center vertically 00051 LAYOUT_FIX_Y = LAYOUT_BOTTOM|LAYOUT_CENTER_Y, /// Y fixed 00052 LAYOUT_RESERVED_1 = 0x00000040, 00053 LAYOUT_RESERVED_2 = 0x00000080, 00054 LAYOUT_FIX_WIDTH = 0x00000100, /// Width fixed 00055 LAYOUT_FIX_HEIGHT = 0x00000200, /// height fixed 00056 LAYOUT_MIN_WIDTH = 0, /// Minimum width is the default 00057 LAYOUT_MIN_HEIGHT = 0, /// Minimum height is the default 00058 LAYOUT_FILL_X = 0x00000400, /// Stretch or shrink horizontally 00059 LAYOUT_FILL_Y = 0x00000800, /// Stretch or shrink vertically 00060 LAYOUT_FILL = LAYOUT_FILL_X|LAYOUT_FILL_Y, /// Stretch or shrink in both directions 00061 LAYOUT_EXPLICIT = LAYOUT_FIX_X|LAYOUT_FIX_Y|LAYOUT_FIX_WIDTH|LAYOUT_FIX_HEIGHT /// Explicit placement 00062 }; 00063 00064 00065 /// Frame border appearance styles (for subclasses) 00066 enum { 00067 FRAME_NONE = 0, /// Default is no frame 00068 FRAME_SUNKEN = 0x00001000, /// Sunken border 00069 FRAME_RAISED = 0x00002000, /// Raised border 00070 FRAME_THICK = 0x00004000, /// Thick border 00071 FRAME_GROOVE = FRAME_THICK, /// A groove or etched-in border 00072 FRAME_RIDGE = FRAME_THICK|FRAME_RAISED|FRAME_SUNKEN, /// A ridge or embossed border 00073 FRAME_LINE = FRAME_RAISED|FRAME_SUNKEN, /// Simple line border 00074 FRAME_NORMAL = FRAME_SUNKEN|FRAME_THICK /// Regular raised/thick border 00075 }; 00076 00077 00078 /// Packing style (for packers) 00079 enum { 00080 PACK_NORMAL = 0, /// Default is each its own size 00081 PACK_UNIFORM_HEIGHT = 0x00008000, /// Uniform height 00082 PACK_UNIFORM_WIDTH = 0x00010000 /// Uniform width 00083 }; 00084 00085 00086 class FXCursor; 00087 class FXAccelTable; 00088 class FXComposite; 00089 00090 00091 /// Base class for all windows 00092 class FXAPI FXWindow : public FXDrawable { 00093 FXDECLARE(FXWindow) 00094 private: 00095 FXWindow *parent; // Parent Window 00096 FXWindow *owner; // Owner Window 00097 FXWindow *first; // First Child 00098 FXWindow *last; // Last Child 00099 FXWindow *next; // Next Sibling 00100 FXWindow *prev; // Previous Sibling 00101 FXWindow *focus; // Focus Child 00102 FXuint wk; // Window Key 00103 protected: 00104 FXCursor *defaultCursor; // Normal Cursor 00105 FXCursor *dragCursor; // Cursor during drag 00106 FXAccelTable *accelTable; // Accelerator table 00107 FXObject *target; // Target object 00108 FXSelector message; // Message ID 00109 FXint xpos; // Window X Position 00110 FXint ypos; // Window Y Position 00111 FXColor backColor; // Window background color 00112 FXString tag; // Help tag 00113 FXuint flags; // Window state flags 00114 FXuint options; // Window options 00115 public: 00116 00117 // Common DND types 00118 static FXDragType deleteType; // Delete request 00119 static FXDragType textType; // Ascii text request 00120 static FXDragType colorType; // Color 00121 static FXDragType urilistType; // URI List 00122 static const FXDragType stringType; // Clipboard text type (pre-registered) 00123 static const FXDragType imageType; // Clipboard image type (pre-registered) 00124 00125 protected: 00126 #ifdef WIN32 00127 virtual FXID GetDC() const; 00128 virtual int ReleaseDC(FXID) const; 00129 virtual const char* GetClass() const; 00130 #else 00131 void addColormapWindows(); 00132 void remColormapWindows(); 00133 #endif 00134 00135 protected: 00136 FXWindow(); 00137 FXWindow(FXApp* a,FXVisual *vis); 00138 FXWindow(FXApp* a,FXWindow* own,FXuint opts,FXint x,FXint y,FXint w,FXint h); 00139 static FXWindow* findDefault(FXWindow* window); 00140 static FXWindow* findInitial(FXWindow* window); 00141 virtual FXbool doesOverrideRedirect() const; 00142 private: 00143 FXWindow(const FXWindow&); 00144 FXWindow& operator=(const FXWindow&); 00145 00146 protected: 00147 00148 // Window state flags 00149 enum { 00150 FLAG_SHOWN = 0x00000001, // Is shown 00151 FLAG_ENABLED = 0x00000002, // Able to receive input 00152 FLAG_UPDATE = 0x00000004, // Is subject to GUI update 00153 FLAG_DROPTARGET = 0x00000008, // Drop target 00154 FLAG_FOCUSED = 0x00000010, // Has focus 00155 FLAG_DIRTY = 0x00000020, // Needs layout 00156 FLAG_RECALC = 0x00000040, // Needs recalculation 00157 FLAG_TIP = 0x00000080, // Show tip 00158 FLAG_HELP = 0x00000100, // Show help 00159 FLAG_DEFAULT = 0x00000200, // Default widget 00160 FLAG_INITIAL = 0x00000400, // Initial widget 00161 FLAG_SHELL = 0x00000800, // Shell window 00162 FLAG_ACTIVE = 0x00001000, // Window is active 00163 FLAG_PRESSED = 0x00002000, // Button has been pressed 00164 FLAG_KEY = 0x00004000, // Keyboard key pressed 00165 FLAG_CARET = 0x00008000, // Caret is on 00166 FLAG_CHANGED = 0x00010000, // Window data changed 00167 FLAG_LASSO = 0x00020000, // Lasso mode 00168 FLAG_TRYDRAG = 0x00040000, // Tentative drag mode 00169 FLAG_DODRAG = 0x00080000, // Doing drag mode 00170 FLAG_SCROLLINSIDE = 0x00100000, // Scroll only when inside 00171 FLAG_SCROLLING = 0x00200000, // Right mouse scrolling 00172 FLAG_OWNED = 0x00400000 // Window handle owned by widget 00173 }; 00174 00175 public: 00176 00177 // Message handlers 00178 long onPaint(FXObject*,FXSelector,void*); 00179 long onMap(FXObject*,FXSelector,void*); 00180 long onUnmap(FXObject*,FXSelector,void*); 00181 long onConfigure(FXObject*,FXSelector,void*); 00182 long onUpdate(FXObject*,FXSelector,void*); 00183 long onMotion(FXObject*,FXSelector,void*); 00184 long onMouseWheel(FXObject*,FXSelector,void*); 00185 long onEnter(FXObject*,FXSelector,void*); 00186 long onLeave(FXObject*,FXSelector,void*); 00187 long onLeftBtnPress(FXObject*,FXSelector,void*); 00188 long onLeftBtnRelease(FXObject*,FXSelector,void*); 00189 long onMiddleBtnPress(FXObject*,FXSelector,void*); 00190 long onMiddleBtnRelease(FXObject*,FXSelector,void*); 00191 long onRightBtnPress(FXObject*,FXSelector,void*); 00192 long onRightBtnRelease(FXObject*,FXSelector,void*); 00193 long onBeginDrag(FXObject*,FXSelector,void*); 00194 long onEndDrag(FXObject*,FXSelector,void*); 00195 long onDragged(FXObject*,FXSelector,void*); 00196 long onKeyPress(FXObject*,FXSelector,void*); 00197 long onKeyRelease(FXObject*,FXSelector,void*); 00198 long onUngrabbed(FXObject*,FXSelector,void*); 00199 long onDestroy(FXObject*,FXSelector,void*); 00200 long onFocusSelf(FXObject*,FXSelector,void*); 00201 long onFocusIn(FXObject*,FXSelector,void*); 00202 long onFocusOut(FXObject*,FXSelector,void*); 00203 long onSelectionLost(FXObject*,FXSelector,void*); 00204 long onSelectionGained(FXObject*,FXSelector,void*); 00205 long onSelectionRequest(FXObject*,FXSelector,void*); 00206 long onClipboardLost(FXObject*,FXSelector,void*); 00207 long onClipboardGained(FXObject*,FXSelector,void*); 00208 long onClipboardRequest(FXObject*,FXSelector,void*); 00209 long onDNDEnter(FXObject*,FXSelector,void*); 00210 long onDNDLeave(FXObject*,FXSelector,void*); 00211 long onDNDMotion(FXObject*,FXSelector,void*); 00212 long onDNDDrop(FXObject*,FXSelector,void*); 00213 long onDNDRequest(FXObject*,FXSelector,void*); 00214 long onCmdShow(FXObject*,FXSelector,void*); 00215 long onCmdHide(FXObject*,FXSelector,void*); 00216 long onUpdToggleShown(FXObject*,FXSelector,void*); 00217 long onCmdToggleShown(FXObject*,FXSelector,void*); 00218 long onCmdRaise(FXObject*,FXSelector,void*); 00219 long onCmdLower(FXObject*,FXSelector,void*); 00220 long onCmdEnable(FXObject*,FXSelector,void*); 00221 long onCmdDisable(FXObject*,FXSelector,void*); 00222 long onCmdUpdate(FXObject*,FXSelector,void*); 00223 long onUpdYes(FXObject*,FXSelector,void*); 00224 long onCmdDelete(FXObject*,FXSelector,void*); 00225 00226 public: 00227 00228 // Message ID's common to most Windows 00229 enum { 00230 ID_NONE, 00231 ID_HIDE, // ID_HIDE+FALSE 00232 ID_SHOW, // ID_HIDE+TRUE 00233 ID_TOGGLESHOWN, 00234 ID_LOWER, 00235 ID_RAISE, 00236 ID_DELETE, 00237 ID_DISABLE, // ID_DISABLE+FALSE 00238 ID_ENABLE, // ID_DISABLE+TRUE 00239 ID_UNCHECK, // ID_UNCHECK+FALSE 00240 ID_CHECK, // ID_UNCHECK+TRUE 00241 ID_UNKNOWN, // ID_UNCHECK+MAYBE 00242 ID_UPDATE, 00243 ID_AUTOSCROLL, 00244 ID_TIPTIMER, 00245 ID_HSCROLLED, 00246 ID_VSCROLLED, 00247 ID_SETVALUE, 00248 ID_SETINTVALUE, 00249 ID_SETREALVALUE, 00250 ID_SETSTRINGVALUE, 00251 ID_SETICONVALUE, 00252 ID_SETINTRANGE, 00253 ID_SETREALRANGE, 00254 ID_GETINTVALUE, 00255 ID_GETREALVALUE, 00256 ID_GETSTRINGVALUE, 00257 ID_GETICONVALUE, 00258 ID_GETINTRANGE, 00259 ID_GETREALRANGE, 00260 ID_SETHELPSTRING, 00261 ID_GETHELPSTRING, 00262 ID_SETTIPSTRING, 00263 ID_GETTIPSTRING, 00264 ID_QUERY_TIP, 00265 ID_QUERY_HELP, 00266 ID_QUERY_MENU, 00267 ID_HOTKEY, 00268 ID_ACCEL, 00269 ID_UNPOST, 00270 ID_POST, 00271 ID_MDI_TILEHORIZONTAL, 00272 ID_MDI_TILEVERTICAL, 00273 ID_MDI_CASCADE, 00274 ID_MDI_MAXIMIZE, 00275 ID_MDI_MINIMIZE, 00276 ID_MDI_RESTORE, 00277 ID_MDI_CLOSE, 00278 ID_MDI_WINDOW, 00279 ID_MDI_MENUWINDOW, 00280 ID_MDI_MENUMINIMIZE, 00281 ID_MDI_MENURESTORE, 00282 ID_MDI_MENUCLOSE, 00283 ID_MDI_NEXT, 00284 ID_MDI_PREV, 00285 ID_LAST 00286 }; 00287 00288 public: 00289 00290 // Common DND type names 00291 static const FXchar deleteTypeName[]; 00292 static const FXchar textTypeName[]; 00293 static const FXchar colorTypeName[]; 00294 static const FXchar urilistTypeName[]; 00295 00296 public: 00297 00298 /// Constructor 00299 FXWindow(FXComposite* p,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0); 00300 00301 /// Return a pointer to the parent window 00302 FXWindow* getParent() const { return parent; } 00303 00304 /// Return a pointer to the owner window 00305 FXWindow* getOwner() const { return owner; } 00306 00307 /// Return a pointer to the shell window 00308 FXWindow* getShell() const; 00309 00310 /// Return a pointer to the root window 00311 FXWindow* getRoot() const; 00312 00313 /// Return a pointer to the next (sibling) window, if any 00314 FXWindow* getNext() const { return next; } 00315 00316 /// Return a pointer to the previous (sibling) window , if any 00317 FXWindow* getPrev() const { return prev; } 00318 00319 /// Return a pointer to this window's first child window , if any 00320 FXWindow* getFirst() const { return first; } 00321 00322 /// Return a pointer to this window's last child window, if any 00323 FXWindow* getLast() const { return last; } 00324 00325 /// Return a pointer to the currently focused child window 00326 FXWindow* getFocus() const { return focus; } 00327 00328 /// Change window key 00329 void setKey(FXuint k){ wk=k; } 00330 00331 /// Return window key 00332 FXuint getKey() const { return wk; } 00333 00334 /// Set the message target object for this window 00335 void setTarget(FXObject *t){ target=t; } 00336 00337 /// Get the message target object for this window, if any 00338 FXObject* getTarget() const { return target; } 00339 00340 /// Set the message identifier for this window 00341 void setSelector(FXSelector sel){ message=sel; } 00342 00343 /// Get the message identifier for this window 00344 FXSelector getSelector() const { return message; } 00345 00346 /// Get this window's x-coordinate, in the parent's coordinate system 00347 FXint getX() const { return xpos; } 00348 00349 /// Get this window's y-coordinate, in the parent's coordinate system 00350 FXint getY() const { return ypos; } 00351 00352 /// Return the default width of this window 00353 virtual FXint getDefaultWidth(); 00354 00355 /// Return the default height of this window 00356 virtual FXint getDefaultHeight(); 00357 00358 /// Return width for given height 00359 virtual FXint getWidthForHeight(FXint givenheight); 00360 00361 /// Return height for given width 00362 virtual FXint getHeightForWidth(FXint givenwidth); 00363 00364 /// Set this window's x-coordinate, in the parent's coordinate system 00365 void setX(FXint x); 00366 00367 /// Set this window's y-coordinate, in the parent's coordinate system 00368 void setY(FXint y); 00369 00370 /// Set the window width 00371 void setWidth(FXint w); 00372 00373 /// Set the window height 00374 void setHeight(FXint h); 00375 00376 /// Set layout hints for this window 00377 void setLayoutHints(FXuint lout); 00378 00379 /// Get layout hints for this window 00380 FXuint getLayoutHints() const; 00381 00382 /// Return a pointer to the accelerator table 00383 FXAccelTable* getAccelTable() const { return accelTable; } 00384 00385 /// Set the accelerator table 00386 void setAccelTable(FXAccelTable* acceltable){ accelTable=acceltable; } 00387 00388 /// Add a hot key 00389 void addHotKey(FXHotKey code); 00390 00391 /// Remove a hot key 00392 void remHotKey(FXHotKey code); 00393 00394 /// Change help tag for this widget 00395 void setHelpTag(const FXString& text){ tag=text; } 00396 00397 /// Get the help tag for this widget 00398 FXString getHelpTag() const { return tag; } 00399 00400 /// Return true if window is a shell window 00401 FXbool isShell() const; 00402 00403 /// Return true if specified window is owned by this window 00404 FXbool isOwnerOf(const FXWindow* window) const; 00405 00406 /// Return true if specified window is ancestor of this window 00407 FXbool isChildOf(const FXWindow* window) const; 00408 00409 /// Return true if this window contains child in its subtree 00410 FXbool containsChild(const FXWindow* child) const; 00411 00412 /// Return the child window at specified coordinates 00413 FXWindow* getChildAt(FXint x,FXint y) const; 00414 00415 /// Return the number of child windows for this window 00416 FXint numChildren() const; 00417 00418 /** 00419 * Return the index (starting from zero) of the specified child window, 00420 * or -1 if the window is not a child or NULL 00421 */ 00422 FXint indexOfChild(const FXWindow *window) const; 00423 00424 /** 00425 * Return the child window at specified index, 00426 * or NULL if the index is negative or out of range 00427 */ 00428 FXWindow* childAtIndex(FXint index) const; 00429 00430 /// Return the common ancestor of window a and window b 00431 static FXWindow* commonAncestor(FXWindow* a,FXWindow* b); 00432 00433 /// Set the default cursor for this window 00434 void setDefaultCursor(FXCursor* cur); 00435 00436 /// Return the default cursor for this window 00437 FXCursor* getDefaultCursor() const { return defaultCursor; } 00438 00439 /// Set the drag cursor for this window 00440 void setDragCursor(FXCursor* cur); 00441 00442 /// Return the drag cursor for this window 00443 FXCursor* getDragCursor() const { return dragCursor; } 00444 00445 /// Return the cursor position and mouse button-state 00446 FXint getCursorPosition(FXint& x,FXint& y,FXuint& buttons) const; 00447 00448 /// Warp the cursor to the new position 00449 FXint setCursorPosition(FXint x,FXint y); 00450 00451 /// Return true if this window is able to receive mouse and keyboard events 00452 FXbool isEnabled() const; 00453 00454 /// Return true if the window is active 00455 FXbool isActive() const; 00456 00457 /// Return true if this window is a control capable of receiving the focus 00458 virtual FXbool canFocus() const; 00459 00460 /// Return true if this window has the focus 00461 FXbool hasFocus() const; 00462 00463 /// Move the focus to this window 00464 virtual void setFocus(); 00465 00466 /// Remove the focus from this window 00467 virtual void killFocus(); 00468 00469 /** 00470 * This changes the default window which responds to the Return 00471 * key in a dialog. If enable is TRUE, this window becomes the default 00472 * window; when enable is FALSE, this window will be no longer the 00473 * default window. Finally, when enable is MAYBE, the default window 00474 * will revert to the initial default window. 00475 */ 00476 virtual void setDefault(FXbool enable=TRUE); 00477 00478 /// Return true if this is the default window 00479 FXbool isDefault() const; 00480 00481 /// Make this window the initial default window 00482 void setInitial(FXbool enable=TRUE); 00483 00484 /// Return true if this is the initial default window 00485 FXbool isInitial() const; 00486 00487 /// Enable the window to receive mouse and keyboard events 00488 virtual void enable(); 00489 00490 /// Disable the window from receiving mouse and keyboard events 00491 virtual void disable(); 00492 00493 /// Create all of the server-side resources for this window 00494 virtual void create(); 00495 00496 /// Attach foreign window handle to this window 00497 virtual void attach(FXID w); 00498 00499 /// Detach the server-side resources for this window 00500 virtual void detach(); 00501 00502 /// Destroy the server-side resources for this window 00503 virtual void destroy(); 00504 00505 /// Raise this window to the top of the stacking order 00506 virtual void raise(); 00507 00508 /// Lower this window to the bottom of the stacking order 00509 virtual void lower(); 00510 00511 /// Move this window to the specified position in the parent's coordinates 00512 virtual void move(FXint x,FXint y); 00513 00514 /// Resize this window to the specified width and height 00515 virtual void resize(FXint w,FXint h); 00516 00517 /// Move and resize this window in the parent's coordinates 00518 virtual void position(FXint x,FXint y,FXint w,FXint h); 00519 00520 /// Mark this window's layout as dirty for later layout 00521 virtual void recalc(); 00522 00523 /// Perform layout immediately 00524 virtual void layout(); 00525 00526 /// Force a GUI update of this window and its children 00527 void forceRefresh(); 00528 00529 /// Change the parent for this window 00530 virtual void reparent(FXWindow* newparent); 00531 00532 /// Scroll rectangle x,y,w,h by a shift of dx,dy 00533 void scroll(FXint x,FXint y,FXint w,FXint h,FXint dx,FXint dy) const; 00534 00535 /// Mark the specified rectangle to be repainted later 00536 void update(FXint x,FXint y,FXint w,FXint h) const; 00537 00538 /// Mark the entire window to be repainted later 00539 void update() const; 00540 00541 /// If marked but not yet painted, paint the given rectangle now 00542 void repaint(FXint x,FXint y,FXint w,FXint h) const; 00543 00544 /// If marked but not yet painted, paint the window now 00545 void repaint() const; 00546 00547 /** 00548 * Grab the mouse to this window; future mouse events will be 00549 * reported to this window even while the cursor goes outside of this window 00550 */ 00551 void grab(); 00552 00553 /// Release the mouse grab 00554 void ungrab(); 00555 00556 /// Return true if the window has been grabbed 00557 FXbool grabbed() const; 00558 00559 /// Grab keyboard device 00560 void grabKeyboard(); 00561 00562 /// Ungrab keyboard device 00563 void ungrabKeyboard(); 00564 00565 /// Return true if active grab is in effect 00566 FXbool grabbedKeyboard() const; 00567 00568 /// Show this window 00569 virtual void show(); 00570 00571 /// Hide this window 00572 virtual void hide(); 00573 00574 /// Return true if the window is shown 00575 FXbool shown() const; 00576 00577 /// Return true if the window is composite 00578 virtual FXbool isComposite() const; 00579 00580 /// Return true if the window is under the cursor 00581 FXbool underCursor() const; 00582 00583 /// Return true if this window owns the primary selection 00584 FXbool hasSelection() const; 00585 00586 /// Try to acquire the primary selection, given a list of drag types 00587 FXbool acquireSelection(const FXDragType *types,FXuint numtypes); 00588 00589 /// Release the primary selection 00590 FXbool releaseSelection(); 00591 00592 /// Return true if this window owns the clipboard 00593 FXbool hasClipboard() const; 00594 00595 /// Try to acquire the clipboard, given a list of drag types 00596 FXbool acquireClipboard(const FXDragType *types,FXuint numtypes); 00597 00598 /// Release the clipboard 00599 FXbool releaseClipboard(); 00600 00601 /// Enable this window to receive drops 00602 void dropEnable(); 00603 00604 /// Disable this window from receiving drops 00605 void dropDisable(); 00606 00607 /// Return true if this window is able to receive drops 00608 FXbool isDropEnabled() const; 00609 00610 /// Return true if a drag operaion has been initiated from this window 00611 FXbool isDragging() const; 00612 00613 /// Initiate a drag operation with a list of previously registered drag types 00614 FXbool beginDrag(const FXDragType *types,FXuint numtypes); 00615 00616 /** 00617 * When dragging, inform the drop-target of the new position and 00618 * the drag action 00619 */ 00620 FXbool handleDrag(FXint x,FXint y,FXDragAction action=DRAG_COPY); 00621 00622 /// Terminate the drag operation with or without actually dropping the data 00623 FXbool endDrag(FXbool drop=TRUE); 00624 00625 /// Return true if this window is the target of a drop 00626 FXbool isDropTarget() const; 00627 00628 /** 00629 * When being dragged over, indicate that no further SEL_DND_MOTION messages 00630 * are required while the cursor is inside the given rectangle 00631 */ 00632 void setDragRectangle(FXint x,FXint y,FXint w,FXint h,FXbool wantupdates=TRUE) const; 00633 00634 /** 00635 * When being dragged over, indicate we want to receive SEL_DND_MOTION messages 00636 * every time the cursor moves 00637 */ 00638 void clearDragRectangle() const; 00639 00640 /// When being dragged over, indicate acceptance or rejection of the dragged data 00641 void acceptDrop(FXDragAction action=DRAG_ACCEPT) const; 00642 00643 /// The target accepted our drop 00644 FXDragAction didAccept() const; 00645 00646 /// When being dragged over, inquire the drag types which are being offered 00647 FXbool inquireDNDTypes(FXDNDOrigin origin,FXDragType*& types,FXuint& numtypes) const; 00648 00649 /// When being dragged over, return true if we are offered the given drag type 00650 FXbool offeredDNDType(FXDNDOrigin origin,FXDragType type) const; 00651 00652 /// When being dragged over, return the drag action 00653 FXDragAction inquireDNDAction() const; 00654 00655 /** 00656 * Set DND data; the array must be allocated with FXMALLOC and ownership is 00657 * transferred to the system 00658 */ 00659 FXbool setDNDData(FXDNDOrigin origin,FXDragType type,FXuchar* data,FXuint size) const; 00660 00661 /** 00662 * Get DND data; the caller becomes the owner of the array and must free it 00663 * with FXFREE 00664 */ 00665 FXbool getDNDData(FXDNDOrigin origin,FXDragType type,FXuchar*& data,FXuint& size) const; 00666 00667 /// Return true if window logically contains the given point 00668 virtual FXbool contains(FXint parentx,FXint parenty) const; 00669 00670 /// Translate coordinates from fromwindow's coordinate space to this window's coordinate space 00671 void translateCoordinatesFrom(FXint& tox,FXint& toy,const FXWindow* fromwindow,FXint fromx,FXint fromy) const; 00672 00673 /// Translate coordinates from this window's coordinate space to towindow's coordinate space 00674 void translateCoordinatesTo(FXint& tox,FXint& toy,const FXWindow* towindow,FXint fromx,FXint fromy) const; 00675 00676 /// Set window background color 00677 virtual void setBackColor(FXColor clr); 00678 00679 /// Get background color 00680 FXColor getBackColor() const { return backColor; } 00681 00682 /// Relink this window before sibling in the window list 00683 void linkBefore(FXWindow* sibling); 00684 00685 /// Relink this window after sibling in the window list 00686 void linkAfter(FXWindow* sibling); 00687 00688 virtual FXbool doesSaveUnder() const; 00689 00690 /// Save window to stream 00691 virtual void save(FXStream& store) const; 00692 00693 /// Restore window from stream 00694 virtual void load(FXStream& store); 00695 00696 /// Destroy window 00697 virtual ~FXWindow(); 00698 }; 00699 00700 } 00701 00702 #endif
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