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Up to [NeXTSTEP 3.3 examples] / Examples / AppKit / Draw|
Return to GraphicView.h CVS log | Up to [NeXTSTEP 3.3 examples] / Examples / AppKit / Draw |
1.1 root 1: typedef enum { Normal, Resizing } DrawStatusType;
2: typedef enum { LEFT = 1, RIGHT, BOTTOM, TOP, HORIZONTAL_CENTERS, VERTICAL_CENTERS, BASELINES } AlignmentType;
3:
4: extern DrawStatusType DrawStatus;
5: extern NXAtom DrawPboardType;
6: extern BOOL InMsgPrint;
7:
8: typedef enum { ByRect, ByGraphic, ByList } DrawSelectionType;
9:
10: /* Update modes for links. */
11:
12: #define UPDATE_NEVER 0
13: #define UPDATE_IMMEDIATELY -1
14: #define UPDATE_NORMALLY 1
15:
16: @interface GraphicView : View
17: {
18: List *glist; /* the list of Graphics */
19: List *slist; /* the list of selected Graphics. In
20: Draw with undo we are very careful
21: to keep slist sorted, like glist */
22: Window *cacheWindow; /* the off-screen cache */
23: struct {
24: #ifdef __BIG_ENDIAN__
25: unsigned int groupInSlist:1; /* whether a Group is in the slist */
26: unsigned int cacheing:1; /* whether cacheing or drawing */
27: unsigned int suspendLinkUpdate:1; /* don't update links */
28: unsigned int grid:8; /* grid size */
29: unsigned int showGrid:1; /* whether grid is visible */
30: unsigned int locked:1; /* some graphics are locked */
31: unsigned int gridDisabled:1; /* whether grid is enabled */
32: unsigned int freeOriginalPaste:1;/* whether originalPaste needs free */
33: unsigned int serviceActsOnSelection:1; /* whether service acts on selection */
34: #else
35: unsigned int serviceActsOnSelection:1; /* whether service acts on selection */
36: unsigned int freeOriginalPaste:1;/* whether originalPaste needs free */
37: unsigned int gridDisabled:1; /* whether grid is enabled */
38: unsigned int locked:1; /* some graphics are locked */
39: unsigned int showGrid:1; /* whether grid is visible */
40: unsigned int grid:8; /* grid size */
41: unsigned int suspendLinkUpdate:1; /* don't update links */
42: unsigned int cacheing:1; /* whether cacheing or drawing */
43: unsigned int groupInSlist:1; /* whether a Group is in the slist */
44: #endif
45: // These last 16 bits are NOT archived, so don't depend on them being permanent across a Save/Open
46: unsigned int selectAll:1; /* select all was last select operation performed */
47: unsigned int dragCopyOk:1; /* true if dragging with sourcMask == copy is ok */
48: unsigned int dragLinkOk:1; /* true if dragging with sourcMask == link is ok */
49: unsigned int padding:13;
50: } gvFlags;
51: short *gupCoords; /* points in the grid user path */
52: int gupLength; /* number of points in gupCoords */
53: char *gupOps; /* movetos and linetos in the gup */
54: short *gupBBox; /* bounding box of the gup */
55: float gridGray; /* grayness of the grid */
56: int consecutivePastes; /* number of consecutive pastes */
57: int lastPastedChangeCount; /* the change count of last paste */
58: int lastCopiedChangeCount; /* the change count of last cut or copy */
59: int lastCutChangeCount; /* the change count of last cut */
60: View *editView; /* flipped subview for editing */
61: Graphic *originalPaste; /* the first pasted graphic */
62: NXDataLinkManager *linkManager; /* manager of data links */
63: NXRect *invalidRect; /* invalid area which must be cleaned up */
64: NXRect *dragRect; /* last rectangle we dragged out to select */
65: Storage *linkTrackingRects; /* the rects of the links we are tracking */
66: }
67:
68: /* Class initialization */
69:
70: + initialize;
71:
72: /* Alignment methods */
73:
74: + (SEL)actionFromAlignType:(AlignmentType)alignType;
75:
76: /* Creation methods */
77:
78: - initFrame:(const NXRect *)frameRect;
79:
80: /* Free method */
81:
82: - free;
83:
84: /* Public methods */
85:
86: - (BOOL)isEmpty;
87: - (BOOL)hasEmptySelection;
88: - dirty;
89: - getSelection;
90: - setGroupInSlist:(BOOL)setting;
91: - resetGroupInSlist;
92: - resetLockedFlag;
93: - getBBox:(NXRect *)bbox of:(List *)list;
94: - getBBox:(NXRect *)bbox of:(List *)list extended:(BOOL)flag;
95:
96: - redrawGraphics:graphicsList afterChangeAgent:changeAgent performs:(SEL)aSelector;
97: - graphicsPerform:(SEL)aSelector;
98: - graphicsPerform:(SEL)aSelector with:(void *)argument;
99:
100: - cache:(const NXRect *)rect;
101: - cache:(const NXRect *)rect andUpdateLinks:(BOOL)updateLinks;
102: - recacheSelection;
103: - createCacheWindow:(Window *)cacheWindow;
104: - selectionCache;
105: - (int)cacheSelection;
106: - (int)cacheList:(List *)list into:(Window *)cacheWindow withTransparentBackground:(BOOL)flag;
107: - (int)cacheList:(List *)list into:(Window *)cacheWindow;
108: - cacheGraphic:(Graphic *)graphic;
109:
110: - removeGraphic:(Graphic *)graphic;
111: - insertGraphic:(Graphic *)graphic;
112: - (Graphic *)selectedGraphic;
113: - (List *)selectedGraphics;
114: - (List *)graphics;
115:
116: - (int)gridSpacing;
117: - (BOOL)gridIsVisible;
118: - (BOOL)gridIsEnabled;
119: - (float)gridGray;
120: - setGridSpacing:(int)gridSpacing;
121: - setGridEnabled:(BOOL)flag;
122: - setGridVisible:(BOOL)flag;
123: - setGridGray:(float)gray;
124: - setGridSpacing:(int)gridSpacing andGray:(float)gray;
125: - grid:(NXPoint *)point;
126:
127: - placeGraphic:(Graphic *)graphic at:(const NXPoint *)location;
128:
129: /* Methods overridden from superclass */
130:
131: - sizeTo:(NXCoord)width :(NXCoord)height;
132: - mouseDown:(NXEvent *)event;
133: - drawSelf:(const NXRect *)rects :(int)rectCount;
134: - keyDown:(NXEvent *)event;
135:
136: /* Getting/Setting the current Graphic */
137:
138: - (Graphic *)currentGraphic;
139: - setCurrentGraphic:sender;
140:
141: /* Writing Draw Forms */
142:
143: - (BOOL)hasFormEntries;
144: - writeFormEntriesToFile:(const char *)filename;
145:
146: /* Target/Action methods */
147:
148: - delete:sender;
149: - selectAll:sender;
150: - deselectAll:sender;
151: - lock:sender;
152: - unlock:sender;
153: - bringToFront:sender;
154: - sendToBack:sender;
155: - group:sender;
156: - ungroup:sender;
157: - align:sender;
158: - changeAspectRatio:sender;
159: - alignToGrid:sender;
160: - sizeToGrid:sender;
161: - enableGrid:sender;
162: - hideGrid:sender;
163: - addCoverSheetEntry:sender;
164: - addLocalizableCoverSheetEntry:sender;
165:
166: /* Target/Action messages sent from Controls to set various parameters */
167:
168: - takeGridValueFrom:sender;
169: - takeGridGrayFrom:sender;
170: - takeGrayValueFrom:sender;
171: - takeLineWidthFrom:sender;
172: - takeLineJoinFrom:sender;
173: - takeLineCapFrom:sender;
174: - takeLineArrowFrom:sender;
175: - takeFillValueFrom:sender;
176: - takeFrameValueFrom:sender;
177: - takeLineColorFrom:sender;
178: - takeFillColorFrom:sender;
179: - takeFormEntryStatusFrom:sender;
180:
181: - changeFont:sender;
182:
183: /* Accepting becoming the First Responder */
184:
185: - (BOOL)acceptsFirstResponder;
186:
187: /* Printing-related methods */
188:
189: - beginSetup;
190:
191: /* Archiving methods */
192:
193: - awake;
194: - write:(NXTypedStream *)stream;
195: - read:(NXTypedStream *)stream;
196:
197: /* Validates whether a menu command makes sense now */
198:
199: - (BOOL)validateCommand:(MenuCell *)menuCell;
200:
201: /* Useful scrolling methods */
202:
203: - scrollGraphicToVisible:(Graphic *)graphic;
204: - scrollPointToVisible:(const NXPoint *)point;
205: - scrollSelectionToVisible;
206:
207: @end
208:
209: /* Pasteboard */
210:
211: typedef enum { LinkOnly = -1, DontLink = 0, Link = 1 } LinkType;
212:
213: @interface GraphicView(Pasteboard)
214:
215: #define NUM_TYPES_DRAW_EXPORTS 3
216:
217: extern NXAtom *TypesDrawExports(void);
218: extern NXAtom DrawPasteType(const NXAtom *types);
219: extern NXAtom ForeignPasteType(const NXAtom *types);
220: extern NXAtom TextPasteType(const NXAtom *types);
221: extern BOOL IncludesType(const NXAtom *types, NXAtom type);
222: extern NXAtom MatchTypes(const NXAtom *typesToMatch, const NXAtom *orderedTypes);
223:
224: + convert:(NXTypedStream *)ts to:(const char *)type using:(SEL)writer toPasteboard:(Pasteboard *)pb;
225: + pasteboard:(Pasteboard *)sender provideData:(const char *)type;
226:
227: - writePSToStream:(NXStream *)stream;
228: - writePSToStream:(NXStream *)stream usingList:(List *)aList;
229: - writeTIFFToStream:(NXStream *)stream;
230: - writeTIFFToStream:(NXStream *)stream usingList:(List *)aList;
231:
232: - copySelectionAsPSToStream:(NXStream *)stream;
233: - copySelectionAsTIFFToStream:(NXStream *)stream;
234: - copySelectionToStream:(NXStream *)stream;
235:
236: - copyToPasteboard:(Pasteboard *)pboard types:(NXAtom *)types;
237: - copyToPasteboard:(Pasteboard *)pboard;
238: - (BOOL)pasteForeignDataFromPasteboard:(Pasteboard *)pboard andLink:(LinkType)doLink at:(const NXPoint *)point;
239: - pasteFromPasteboard:(Pasteboard *)pboard andLink:(LinkType)doLink at:(const NXPoint *)point;
240: - paste:sender andLink:(LinkType)doLink;
241: - cut:sender;
242: - copy:sender;
243: - paste:sender;
244: - pasteAndLink:sender;
245:
246: @end
247:
248: /* Data link methods */
249:
250: @interface GraphicView(Links)
251:
252: - (NXSelection *)currentSelection;
253: - (Graphic *)findGraphicInSelection:(NXSelection *)selection;
254: - (List *)findGraphicsInSelection:(NXSelection *)selection;
255:
256: - writeLinkToPasteboard:(Pasteboard *)pboard types:(const NXAtom *)typesList;
257: - (BOOL)addLink:(NXDataLink *)link toGraphic:(Graphic *)graphic at:(const NXPoint *)p update:(int)update;
258:
259: - pasteFromPasteboard:(Pasteboard *)pboard at:(NXSelection *)selection;
260: - importFile:(const char *)filename at:(NXSelection *)selection;
261: - pasteboard:(Pasteboard *)sender provideData:(const char *)type;
262: - copyToPasteboard:(Pasteboard *)pboard at:(NXSelection *)selection cheapCopyAllowed:(BOOL)cheapCopyAllowed;
263:
264: - updateLinksPanel;
265: - (NXDataLinkManager *)linkManager;
266: - setLinkManager:(NXDataLinkManager *)linkManager;
267: - showSelection:(NXSelection *)selection;
268: - breakLinkAndRedrawOutlines:(NXDataLink *)aLink;
269: - updateTrackedLinks:(const NXRect *)rect;
270: - startTrackingLink:(NXDataLink *)link;
271: - stopTrackingLink:(NXDataLink *)link;
272:
273: @end
274:
275: /* Dragging */
276:
277: @interface GraphicView(Drag)
278:
279: - registerForDragging;
280: - (NXDragOperation)draggingEntered:(id <NXDraggingInfo>)sender;
281: - (NXDragOperation)draggingUpdated:(id <NXDraggingInfo>)sender;
282: - (BOOL)performDragOperation:(id <NXDraggingInfo>)sender;
283:
284: @end
285:
286: /* Services Menu */
287:
288: @interface GraphicView(Services)
289:
290: - validRequestorForSendType:(NXAtom)sendType andReturnType:(NXAtom)returnType;
291: - (BOOL)writeSelectionToPasteboard:(Pasteboard *)pboard types:(NXAtom *)types;
292: - readSelectionFromPasteboard:(Pasteboard *)pboard;
293:
294: @end
295:
296: /*
297: * Since we can't be sure that we have an InspectorPanel, we use the
298: * objective-C respondsTo: mechanism to see if we can send the message
299: * initializeGraphic: to [NXApp inspectorPanel]. This dummy interface
300: * declaration declares those messages (so that even if they don't exists,
301: * we can at least use them to check with respondsTo:). We don't want
302: * to import DrawApp.h or InspectorPanel.h since we might accidentally
303: * introduce a dependency on them which wouldn't be caught because we
304: * imported both of their interfaces.
305: */
306:
307: @interface PossibleInspectorPanel : Object
308:
309: - inspectorPanel;
310: - initializeGraphic:(Graphic *)graphic;
311:
312: @end
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