WINGs/WINGsP.h

   1 #ifndef _WINGSP_H_
   2 #define _WINGSP_H_
   3
   4
   5 #include <X11/Xlib.h>
   6 #include <X11/Xutil.h>
   7
   8
   9 #include <WINGs/WINGs.h>
  10
  11 #if WINGS_H_VERSION < 20010117
  12 #error There_is_an_old_WINGs.h_file_somewhere_in_your_system._Please_remove_it.
  13 #endif
  14
  15 #include <assert.h>
  16
  17 #include <stdlib.h>
  18 #include <string.h>
  19 #include <stdio.h>
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif /* __cplusplus */
  24
  25 #define DOUBLE_BUFFER
  26
  27
  28
  29 #define WC_UserWidget   128
  30
  31
  32
  33 #define SCROLLER_WIDTH   20
  34
  35
  36
  37 #define XDND_VERSION 4
  38
  39
  40 typedef struct W_Application {
  41     char *applicationName;
  42     int argc;
  43     char **argv;
  44     char *resourcePath;
  45 } W_Application;
  46
  47
  48 typedef struct W_Font {
  49     struct W_Screen *screen;
  50
  51     union {
  52         XFontSet set;
  53         XFontStruct *normal;
  54     } font;
  55     short height;
  56     short y;
  57     short refCount;
  58     char *name;
  59     unsigned int notFontSet:1;
  60 } W_Font;
  61
  62
  63 typedef struct W_Pixmap {
  64     struct W_Screen *screen;
  65     Pixmap pixmap;
  66     Pixmap mask;
  67     unsigned short width;
  68     unsigned short height;
  69     short depth;
  70     short refCount;
  71 } W_Pixmap;
  72
  73
  74 typedef struct W_Color {
  75     struct W_Screen *screen;
  76
  77     XColor color;
  78     short refCount;
  79     GC gc;
  80     struct {
  81         unsigned int exact:1;
  82     } flags;
  83 } W_Color;
  84
  85
  86 typedef struct W_FocusInfo {
  87     struct W_View *toplevel;
  88     struct W_View *focused;            /* view that has the focus in this toplevel */
  89     struct W_FocusInfo *next;
  90 } W_FocusInfo;
  91
  92
  93
  94 struct W_DraggingInfo {
  95     Window destinationWindow;
  96     Window sourceWindow;
  97
  98     WMPoint location;
  99
 100     unsigned sourceOperation;
 101     WMPixmap *image;
 102     WMPoint imageLocation;
 103
 104     char **types;
 105
 106     Time timestamp;
 107
 108     int protocolVersion;
 109
 110     /* should be treated as internal data */
 111     WMView *sourceView;
 112     WMView *destView;
 113     WMSize mouseOffset;
 114     unsigned finished:1;
 115 };
 116
 117
 118 typedef struct W_Screen {
 119     Display *display;
 120     int screen;
 121     int depth;
 122
 123     Colormap colormap;
 124
 125     Visual *visual;
 126
 127     Time lastEventTime;
 128
 129     Window rootWin;
 130
 131     struct W_View *rootView;
 132
 133     RContext *rcontext;
 134
 135     /* application related */
 136
 137     W_FocusInfo *focusInfo;
 138
 139     struct W_Pixmap *applicationIcon;
 140     Window applicationIconWindow;
 141
 142     struct W_Window *windowList;       /* list of windows in the app */
 143
 144     Window groupLeader;                /* the leader of the application */
 145                                        /* also used for other things */
 146
 147     struct W_SelectionHandlers *selectionHandlerList;
 148
 149     struct {
 150         unsigned int hasAppIcon:1;
 151         unsigned int simpleApplication:1;
 152     } aflags;
 153
 154     WMOpenPanel *sharedOpenPanel;
 155     WMSavePanel *sharedSavePanel;
 156
 157     struct W_FontPanel *sharedFontPanel;
 158
 159     struct W_ColorPanel *sharedColorPanel;
 160
 161     Pixmap stipple;
 162
 163     struct W_View *dragSourceView;
 164     struct W_DraggingInfo dragInfo;
 165
 166     /* colors */
 167     W_Color *white;
 168     W_Color *black;
 169     W_Color *gray;
 170     W_Color *darkGray;
 171
 172     GC stippleGC;
 173
 174     GC copyGC;
 175     GC clipGC;
 176
 177     GC monoGC;                         /* GC for 1bpp visuals */
 178
 179     GC xorGC;
 180
 181     GC ixorGC;                         /* IncludeInferiors XOR */
 182
 183     GC textFieldGC;
 184
 185     W_Font *normalFont;
 186
 187     W_Font *boldFont;
 188
 189     WMHashTable *fontCache;
 190
 191     Bool useMultiByte;
 192
 193     struct W_Balloon *balloon;
 194
 195
 196     struct W_Pixmap *checkButtonImageOn;
 197     struct W_Pixmap *checkButtonImageOff;
 198
 199     struct W_Pixmap *radioButtonImageOn;
 200     struct W_Pixmap *radioButtonImageOff;
 201
 202     struct W_Pixmap *buttonArrow;
 203     struct W_Pixmap *pushedButtonArrow;
 204
 205     struct W_Pixmap *scrollerDimple;
 206
 207     struct W_Pixmap *upArrow;
 208     struct W_Pixmap *downArrow;
 209     struct W_Pixmap *leftArrow;
 210     struct W_Pixmap *rightArrow;
 211
 212     struct W_Pixmap *hiUpArrow;
 213     struct W_Pixmap *hiDownArrow;
 214     struct W_Pixmap *hiLeftArrow;
 215     struct W_Pixmap *hiRightArrow;
 216
 217     struct W_Pixmap *pullDownIndicator;
 218     struct W_Pixmap *popUpIndicator;
 219
 220     struct W_Pixmap *checkMark;
 221
 222     struct W_Pixmap *homeIcon;
 223     struct W_Pixmap *altHomeIcon;
 224
 225     struct W_Pixmap *trashcanIcon;
 226     struct W_Pixmap *altTrashcanIcon;
 227
 228     struct W_Pixmap *createDirIcon;
 229     struct W_Pixmap *altCreateDirIcon;
 230
 231     struct W_Pixmap *disketteIcon;
 232     struct W_Pixmap *altDisketteIcon;
 233     struct W_Pixmap *unmountIcon;
 234     struct W_Pixmap *altUnmountIcon;
 235
 236     struct W_Pixmap *magnifyIcon;
 237 /*    struct W_Pixmap *altMagnifyIcon;*/
 238     struct W_Pixmap *wheelIcon;
 239     struct W_Pixmap *grayIcon;
 240     struct W_Pixmap *rgbIcon;
 241     struct W_Pixmap *cmykIcon;
 242     struct W_Pixmap *hsbIcon;
 243     struct W_Pixmap *customPaletteIcon;
 244     struct W_Pixmap *colorListIcon;
 245
 246     struct W_Pixmap *defaultObjectIcon;
 247
 248     Cursor defaultCursor;
 249
 250     Cursor textCursor;
 251
 252     Cursor invisibleCursor;
 253
 254     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 255
 256     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 257
 258     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 259
 260     Atom clipboardAtom;                /* CLIPBOARD */
 261
 262     Atom xdndAwareAtom;                /* XdndAware */
 263     Atom xdndSelectionAtom;
 264     Atom xdndEnterAtom;
 265     Atom xdndLeaveAtom;
 266     Atom xdndPositionAtom;
 267     Atom xdndDropAtom;
 268     Atom xdndFinishedAtom;
 269     Atom xdndTypeListAtom;
 270     Atom xdndStatusAtom;
 271
 272     Atom xdndActionCopy;
 273     Atom xdndActionMove;
 274     Atom xdndActionLink;
 275     Atom xdndActionAsk;
 276     Atom xdndActionPrivate;
 277
 278     Atom wmIconDragOffsetAtom;
 279
 280     Atom wmStateAtom;                  /* WM_STATE */
 281
 282     /* stuff for detecting double-clicks */
 283     Time lastClickTime;                /* time of last mousedown event */
 284     Window lastClickWindow;            /* window of the last mousedown */
 285
 286     struct W_View *modalView;
 287     unsigned modalLoop:1;
 288     unsigned ignoreNextDoubleClick:1;
 289 } W_Screen;
 290
 291
 292
 293 typedef struct W_ViewDelegate {
 294     void *data;
 295
 296     void (*didMove)(struct W_ViewDelegate*, WMView*);
 297
 298     void (*didResize)(struct W_ViewDelegate*, WMView*);
 299
 300     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 301
 302     void (*willResize)(struct W_ViewDelegate*, WMView*,
 303                        unsigned int*, unsigned int*);
 304 } W_ViewDelegate;
 305
 306
 307
 308 typedef struct W_View {
 309     struct W_Screen *screen;
 310
 311     WMWidget *self;                    /* must point to the widget the
 312                                         * view belongs to */
 313
 314     W_ViewDelegate *delegate;
 315
 316     Window window;
 317
 318     WMSize size;
 319
 320     WMPoint pos;
 321
 322     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 323     struct W_View *prevFocusChain;
 324
 325     struct W_View *nextResponder;      /* next to receive keyboard events */
 326
 327     struct W_View *parent;             /* parent WMView */
 328
 329     struct W_View *childrenList;       /* first in list of child windows */
 330
 331     struct W_View *nextSister;         /* next on parent's children list */
 332
 333     WMBag *eventHandlers;              /* event handlers for this window */
 334
 335     unsigned long attribFlags;
 336     XSetWindowAttributes attribs;
 337
 338     void *hangedData;                  /* data holder for user program */
 339
 340     WMColor *backColor;
 341
 342     Cursor cursor;
 343
 344     Atom *droppableTypes;
 345     struct W_DragSourceProcs *dragSourceProcs;
 346     struct W_DragDestinationProcs *dragDestinationProcs;
 347     int helpContext;
 348
 349
 350     struct {
 351         unsigned int realized:1;
 352         unsigned int mapped:1;
 353         unsigned int parentDying:1;
 354         unsigned int dying:1;          /* the view is being destroyed */
 355         unsigned int topLevel:1;       /* is a top level window */
 356         unsigned int root:1;           /* is the root window */
 357         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 358         unsigned int alreadyDead:1;    /* view was freed */
 359
 360         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 361         unsigned int notifySizeChanged:1;
 362         unsigned int dontCompressExpose:1;   /* will compress all expose
 363                                               events into one */
 364         /* toplevel only */
 365         unsigned int worksWhenModal:1;
 366         unsigned int pendingRelease1:1;
 367         unsigned int pendingRelease2:1;
 368         unsigned int pendingRelease3:1;
 369         unsigned int pendingRelease4:1;
 370         unsigned int pendingRelease5:1;
 371         unsigned int xdndHintSet:1;
 372     } flags;
 373
 374     int refCount;
 375 } W_View;
 376
 377
 378 typedef struct W_EventHandler {
 379     unsigned long eventMask;
 380
 381     WMEventProc *proc;
 382
 383     void *clientData;
 384 } W_EventHandler;
 385
 386
 387
 388
 389 typedef struct _WINGsConfiguration {
 390     char *systemFont;
 391     char *boldSystemFont;
 392     int  defaultFontSize;
 393     Bool useMultiByte;
 394     char *floppyPath;
 395     unsigned doubleClickDelay;
 396     unsigned mouseWheelUp;
 397     unsigned mouseWheelDown;
 398 } _WINGsConfiguration;
 399
 400 extern _WINGsConfiguration WINGsConfiguration;
 401
 402
 403
 404 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 405
 406
 407 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 408 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 409
 410 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 411 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 412
 413 #define W_VIEW_DISPLAY(view)    (view)->screen->display
 414 #define W_VIEW_SCREEN(view)     (view)->screen
 415 #define W_VIEW_DRAWABLE(view)   (view)->window
 416
 417 #define W_VIEW_WIDTH(view)      (view)->size.width
 418 #define W_VIEW_HEIGHT(view)     (view)->size.height
 419
 420
 421 #define W_PIXEL(c)              (c)->color.pixel
 422
 423 #define W_FONTID(f)             (f)->font->fid
 424
 425 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 426
 427
 428
 429 W_View *W_GetViewForXWindow(Display *display, Window window);
 430
 431 W_View *W_CreateView(W_View *parent);
 432
 433 W_View *W_CreateTopView(W_Screen *screen);
 434
 435 W_View *W_CreateUnmanagedTopView(W_Screen *screen);
 436
 437
 438 W_View *W_CreateRootView(W_Screen *screen);
 439
 440 void W_DestroyView(W_View *view);
 441
 442 void W_RealizeView(W_View *view);
 443
 444 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 445
 446 void W_RaiseView(W_View *view);
 447
 448 void W_LowerView(W_View *view);
 449
 450
 451 void W_MapView(W_View *view);
 452
 453 void W_MapSubviews(W_View *view);
 454
 455 void W_UnmapSubviews(W_View *view);
 456
 457 W_View *W_TopLevelOfView(W_View *view);
 458
 459 void W_UnmapView(W_View *view);
 460
 461 void W_MoveView(W_View *view, int x, int y);
 462
 463 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 464
 465 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 466
 467 void W_SetViewCursor(W_View *view, Cursor cursor);
 468
 469 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 470                   unsigned int height, WMReliefType relief);
 471
 472 void W_DrawReliefWithGC(W_Screen *scr, Drawable d, int x, int y,
 473                         unsigned int width, unsigned int height,
 474                         WMReliefType relief,
 475                         GC black, GC dark, GC light, GC white);
 476
 477 void W_CleanUpEvents(W_View *view);
 478
 479 void W_CallDestroyHandlers(W_View *view);
 480
 481 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 482                          WMReliefType relief, char *text,
 483                          WMAlignment alignment, W_Pixmap *image,
 484                          WMImagePosition position, GC backGC, int ofs);
 485
 486 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 487                  int width, WMAlignment alignment, GC gc,
 488                  int wrap, char *text, int length);
 489
 490 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 491
 492
 493 int W_TextWidth(WMFont *font, char *text, int length);
 494
 495
 496 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 497
 498 void W_DispatchMessage(W_View *target, XEvent *event);
 499
 500 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 501
 502 W_View *W_FocusedViewOfToplevel(W_View *view);
 503
 504 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 505
 506 void W_ReleaseView(WMView *view);
 507
 508 WMView *W_RetainView(WMView *view);
 509
 510 void W_InitApplication(WMScreen *scr);
 511
 512 void W_InitNotificationCenter(void);
 513
 514 W_Class W_RegisterUserWidget(void);
 515
 516 void W_RedisplayView(WMView *view);
 517
 518 Bool W_ApplicationInitialized(void);
 519
 520 void W_HandleSelectionEvent(XEvent *event);
 521
 522 void W_HandleDNDClientMessage(WMView *toplevel, XClientMessageEvent *event);
 523
 524 void W_FlushASAPNotificationQueue();
 525
 526 void W_FlushIdleNotificationQueue();
 527
 528 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 529
 530 void W_BalloonHandleEnterView(WMView *view);
 531
 532 void W_BalloonHandleLeaveView(WMView *view);
 533
 534 #ifdef __cplusplus
 535 }
 536 #endif /* __cplusplus */
 537
 538 #endif /* _WINGSP_H_ */