WINGs/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 < 20021008
  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         struct _XftFont *xft;
  55     } font;
  56     short height;
  57     short y;
  58     short refCount;
  59     char *name;
  60     unsigned int notFontSet:1;
  61     unsigned int antialiased:1;
  62 } W_Font;
  63
  64
  65 typedef struct W_Pixmap {
  66     struct W_Screen *screen;
  67     Pixmap pixmap;
  68     Pixmap mask;
  69     unsigned short width;
  70     unsigned short height;
  71     short depth;
  72     short refCount;
  73 } W_Pixmap;
  74
  75
  76 typedef struct W_Color {
  77     struct W_Screen *screen;
  78
  79     XColor color;
  80     unsigned short alpha;
  81     short refCount;
  82     GC gc;
  83     struct {
  84         unsigned int exact:1;
  85     } flags;
  86 } W_Color;
  87
  88
  89 typedef struct W_FocusInfo {
  90     struct W_View *toplevel;
  91     struct W_View *focused;            /* view that has the focus in this toplevel */
  92     struct W_FocusInfo *next;
  93 } W_FocusInfo;
  94
  95
  96
  97 struct W_DraggingInfo {
  98     Window destinationWindow;
  99     Window sourceWindow;
 100
 101     WMPoint location;
 102
 103     unsigned sourceOperation;
 104     WMPixmap *image;
 105     WMPoint imageLocation;
 106
 107     char **types;
 108
 109     Time timestamp;
 110
 111     int protocolVersion;
 112
 113     /* should be treated as internal data */
 114     WMView *sourceView;
 115     WMView *destView;
 116     WMSize mouseOffset;
 117     unsigned finished:1;
 118 };
 119
 120
 121 typedef struct W_Screen {
 122     Display *display;
 123     int screen;
 124     int depth;
 125
 126     Colormap colormap;
 127
 128     Visual *visual;
 129
 130     Time lastEventTime;
 131
 132     Window rootWin;
 133
 134     struct W_View *rootView;
 135
 136     RContext *rcontext;
 137
 138     struct W_IMContext *imctx;
 139
 140     /* application related */
 141
 142     W_FocusInfo *focusInfo;
 143
 144     RImage *applicationIconImage;      /* image (can have alpha channel) */
 145     struct W_Pixmap *applicationIconPixmap; /* pixmap - no alpha channel */
 146     Window applicationIconWindow;
 147
 148     struct W_Window *windowList;       /* list of windows in the app */
 149
 150     Window groupLeader;                /* the leader of the application */
 151                                        /* also used for other things */
 152
 153     struct W_SelectionHandlers *selectionHandlerList;
 154
 155     struct {
 156         unsigned int hasAppIcon:1;
 157         unsigned int simpleApplication:1;
 158     } aflags;
 159
 160     WMOpenPanel *sharedOpenPanel;
 161     WMSavePanel *sharedSavePanel;
 162
 163     struct W_FontPanel *sharedFontPanel;
 164
 165     struct W_ColorPanel *sharedColorPanel;
 166
 167     Pixmap stipple;
 168
 169     struct W_View *dragSourceView;
 170     struct W_DraggingInfo dragInfo;
 171
 172     /* colors */
 173     W_Color *white;
 174     W_Color *black;
 175     W_Color *gray;
 176     W_Color *darkGray;
 177
 178     GC stippleGC;
 179
 180     GC copyGC;
 181     GC clipGC;
 182
 183     GC monoGC;                         /* GC for 1bpp visuals */
 184
 185     GC xorGC;
 186
 187     GC ixorGC;                         /* IncludeInferiors XOR */
 188
 189     GC drawStringGC;                   /* for WMDrawString() */
 190
 191     GC drawImStringGC;                 /* for WMDrawImageString() */
 192
 193     W_Font *normalFont;
 194
 195     W_Font *boldFont;
 196
 197     WMHashTable *fontCache;
 198
 199     WMHashTable *fontSetCache;
 200
 201     Bool useMultiByte;
 202
 203     Bool antialiasedText;
 204
 205     unsigned int ignoredModifierMask; /* modifiers to ignore when typing txt */
 206
 207     struct W_Balloon *balloon;
 208
 209
 210     struct W_Pixmap *checkButtonImageOn;
 211     struct W_Pixmap *checkButtonImageOff;
 212
 213     struct W_Pixmap *radioButtonImageOn;
 214     struct W_Pixmap *radioButtonImageOff;
 215
 216     struct W_Pixmap *buttonArrow;
 217     struct W_Pixmap *pushedButtonArrow;
 218
 219     struct W_Pixmap *scrollerDimple;
 220
 221     struct W_Pixmap *upArrow;
 222     struct W_Pixmap *downArrow;
 223     struct W_Pixmap *leftArrow;
 224     struct W_Pixmap *rightArrow;
 225
 226     struct W_Pixmap *hiUpArrow;
 227     struct W_Pixmap *hiDownArrow;
 228     struct W_Pixmap *hiLeftArrow;
 229     struct W_Pixmap *hiRightArrow;
 230
 231     struct W_Pixmap *pullDownIndicator;
 232     struct W_Pixmap *popUpIndicator;
 233
 234     struct W_Pixmap *checkMark;
 235
 236     struct W_Pixmap *homeIcon;
 237     struct W_Pixmap *altHomeIcon;
 238
 239     struct W_Pixmap *trashcanIcon;
 240     struct W_Pixmap *altTrashcanIcon;
 241
 242     struct W_Pixmap *createDirIcon;
 243     struct W_Pixmap *altCreateDirIcon;
 244
 245     struct W_Pixmap *disketteIcon;
 246     struct W_Pixmap *altDisketteIcon;
 247     struct W_Pixmap *unmountIcon;
 248     struct W_Pixmap *altUnmountIcon;
 249
 250     struct W_Pixmap *magnifyIcon;
 251 /*    struct W_Pixmap *altMagnifyIcon;*/
 252     struct W_Pixmap *wheelIcon;
 253     struct W_Pixmap *grayIcon;
 254     struct W_Pixmap *rgbIcon;
 255     struct W_Pixmap *cmykIcon;
 256     struct W_Pixmap *hsbIcon;
 257     struct W_Pixmap *customPaletteIcon;
 258     struct W_Pixmap *colorListIcon;
 259
 260     struct W_Pixmap *defaultObjectIcon;
 261
 262     Cursor defaultCursor;
 263
 264     Cursor textCursor;
 265
 266     Cursor invisibleCursor;
 267
 268     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 269
 270     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 271
 272     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 273
 274     Atom clipboardAtom;                /* CLIPBOARD */
 275
 276     Atom xdndAwareAtom;                /* XdndAware */
 277     Atom xdndSelectionAtom;
 278     Atom xdndEnterAtom;
 279     Atom xdndLeaveAtom;
 280     Atom xdndPositionAtom;
 281     Atom xdndDropAtom;
 282     Atom xdndFinishedAtom;
 283     Atom xdndTypeListAtom;
 284     Atom xdndStatusAtom;
 285
 286     Atom xdndActionCopy;
 287     Atom xdndActionMove;
 288     Atom xdndActionLink;
 289     Atom xdndActionAsk;
 290     Atom xdndActionPrivate;
 291
 292     Atom wmIconDragOffsetAtom;
 293
 294     Atom wmStateAtom;                  /* WM_STATE */
 295
 296     /* stuff for detecting double-clicks */
 297     Time lastClickTime;                /* time of last mousedown event */
 298     Window lastClickWindow;            /* window of the last mousedown */
 299
 300     struct W_View *modalView;
 301     unsigned modalLoop:1;
 302     unsigned ignoreNextDoubleClick:1;
 303 } W_Screen;
 304
 305
 306
 307 typedef struct W_ViewDelegate {
 308     void *data;
 309
 310     void (*didMove)(struct W_ViewDelegate*, WMView*);
 311
 312     void (*didResize)(struct W_ViewDelegate*, WMView*);
 313
 314     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 315
 316     void (*willResize)(struct W_ViewDelegate*, WMView*,
 317                        unsigned int*, unsigned int*);
 318 } W_ViewDelegate;
 319
 320
 321
 322 typedef struct W_View {
 323     struct W_Screen *screen;
 324
 325     WMWidget *self;                    /* must point to the widget the
 326                                         * view belongs to */
 327
 328     W_ViewDelegate *delegate;
 329
 330     Window window;
 331
 332     WMSize size;
 333
 334     short topOffs;
 335     short leftOffs;
 336     short bottomOffs;
 337     short rightOffs;
 338
 339     WMPoint pos;
 340
 341     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 342     struct W_View *prevFocusChain;
 343
 344     struct W_View *nextResponder;      /* next to receive keyboard events */
 345
 346     struct W_View *parent;             /* parent WMView */
 347
 348     struct W_View *childrenList;       /* first in list of child windows */
 349
 350     struct W_View *nextSister;         /* next on parent's children list */
 351
 352     WMArray *eventHandlers;            /* event handlers for this window */
 353
 354     unsigned long attribFlags;
 355     XSetWindowAttributes attribs;
 356
 357     void *hangedData;                  /* data holder for user program */
 358
 359     WMColor *backColor;
 360
 361     Cursor cursor;
 362
 363     Atom *droppableTypes;
 364     struct W_DragSourceProcs *dragSourceProcs;
 365     struct W_DragDestinationProcs *dragDestinationProcs;
 366     int helpContext;
 367
 368
 369     struct {
 370         unsigned int realized:1;
 371         unsigned int mapped:1;
 372         unsigned int parentDying:1;
 373         unsigned int dying:1;          /* the view is being destroyed */
 374         unsigned int topLevel:1;       /* is a top level window */
 375         unsigned int root:1;           /* is the root window */
 376         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 377         unsigned int alreadyDead:1;    /* view was freed */
 378
 379         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 380         unsigned int notifySizeChanged:1;
 381         unsigned int dontCompressExpose:1;   /* will compress all expose
 382                                               events into one */
 383         /* toplevel only */
 384         unsigned int worksWhenModal:1;
 385         unsigned int pendingRelease1:1;
 386         unsigned int pendingRelease2:1;
 387         unsigned int pendingRelease3:1;
 388         unsigned int pendingRelease4:1;
 389         unsigned int pendingRelease5:1;
 390         unsigned int xdndHintSet:1;
 391     } flags;
 392
 393     int refCount;
 394 } W_View;
 395
 396
 397 typedef struct W_EventHandler {
 398     unsigned long eventMask;
 399
 400     WMEventProc *proc;
 401
 402     void *clientData;
 403 } W_EventHandler;
 404
 405
 406
 407
 408 typedef struct _WINGsConfiguration {
 409     char *systemFont;
 410     char *boldSystemFont;
 411     char *aaSystemFont;
 412     char *aaBoldSystemFont;
 413     int  defaultFontSize;
 414     Bool antialiasedText;
 415     Bool useMultiByte;
 416     char *floppyPath;
 417     unsigned doubleClickDelay;
 418     unsigned mouseWheelUp;
 419     unsigned mouseWheelDown;
 420 } _WINGsConfiguration;
 421
 422 extern _WINGsConfiguration WINGsConfiguration;
 423
 424
 425
 426 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 427
 428
 429 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 430 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 431
 432 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 433 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 434
 435 #define W_VIEW_DISPLAY(view)    (view)->screen->display
 436 #define W_VIEW_SCREEN(view)     (view)->screen
 437 #define W_VIEW_DRAWABLE(view)   (view)->window
 438
 439 #define W_VIEW_WIDTH(view)      (view)->size.width
 440 #define W_VIEW_HEIGHT(view)     (view)->size.height
 441
 442
 443 #define W_PIXEL(c)              (c)->color.pixel
 444
 445 #define W_FONTID(f)             (f)->font->fid
 446
 447 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 448
 449
 450
 451 W_View *W_GetViewForXWindow(Display *display, Window window);
 452
 453 W_View *W_CreateView(W_View *parent);
 454
 455 W_View *W_CreateTopView(W_Screen *screen);
 456
 457 W_View *W_CreateUnmanagedTopView(W_Screen *screen);
 458
 459
 460 W_View *W_CreateRootView(W_Screen *screen);
 461
 462 void W_DestroyView(W_View *view);
 463
 464 void W_RealizeView(W_View *view);
 465
 466 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 467
 468 void W_RaiseView(W_View *view);
 469
 470 void W_LowerView(W_View *view);
 471
 472
 473 void W_MapView(W_View *view);
 474
 475 void W_MapSubviews(W_View *view);
 476
 477 void W_UnmapSubviews(W_View *view);
 478
 479 W_View *W_TopLevelOfView(W_View *view);
 480
 481 void W_UnmapView(W_View *view);
 482
 483 void W_MoveView(W_View *view, int x, int y);
 484
 485 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 486
 487 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 488
 489 void W_SetViewCursor(W_View *view, Cursor cursor);
 490
 491 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 492                   unsigned int height, WMReliefType relief);
 493
 494 void W_DrawReliefWithGC(W_Screen *scr, Drawable d, int x, int y,
 495                         unsigned int width, unsigned int height,
 496                         WMReliefType relief,
 497                         GC black, GC dark, GC light, GC white);
 498
 499 void W_CallDestroyHandlers(W_View *view);
 500
 501 void W_PaintTextAndImage(W_View *view, int wrap, WMColor *textColor,
 502                          W_Font *font, WMReliefType relief, char *text,
 503                          WMAlignment alignment, W_Pixmap *image,
 504                          WMImagePosition position, WMColor *backColor, int ofs);
 505
 506 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 507                  int width, WMAlignment alignment, WMColor *color,
 508                  int wrap, char *text, int length);
 509
 510 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 511
 512
 513 int W_TextWidth(WMFont *font, char *text, int length);
 514
 515
 516 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 517
 518 void W_DispatchMessage(W_View *target, XEvent *event);
 519
 520 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 521
 522 W_View *W_FocusedViewOfToplevel(W_View *view);
 523
 524 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 525
 526 void W_ReleaseView(WMView *view);
 527
 528 WMView *W_RetainView(WMView *view);
 529
 530 void W_InitApplication(WMScreen *scr);
 531
 532 void W_InitNotificationCenter(void);
 533
 534 W_Class W_RegisterUserWidget(void);
 535
 536 void W_RedisplayView(WMView *view);
 537
 538 Bool W_ApplicationInitialized(void);
 539
 540 void W_HandleSelectionEvent(XEvent *event);
 541
 542 void W_HandleDNDClientMessage(WMView *toplevel, XClientMessageEvent *event);
 543
 544 void W_FlushASAPNotificationQueue(void);
 545
 546 void W_FlushIdleNotificationQueue(void);
 547
 548 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 549
 550 void W_BalloonHandleEnterView(WMView *view);
 551
 552 void W_BalloonHandleLeaveView(WMView *view);
 553
 554 Bool W_CheckIdleHandlers(void);
 555
 556 void W_CheckTimerHandlers(void);
 557
 558 Bool W_HandleInputEvents(Bool waitForInput, int inputfd);
 559
 560 #ifdef __cplusplus
 561 }
 562 #endif /* __cplusplus */
 563
 564 #endif /* _WINGSP_H_ */