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 < 20021124
  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     struct _XftDraw *xftdraw;          /* shared XftDraw */
 141
 142     Bool hasXftSupport;                /* if it can antialias text */
 143
 144     /* application related */
 145
 146     W_FocusInfo *focusInfo;
 147
 148     RImage *applicationIconImage;      /* image (can have alpha channel) */
 149     struct W_Pixmap *applicationIconPixmap; /* pixmap - no alpha channel */
 150     Window applicationIconWindow;
 151
 152     struct W_Window *windowList;       /* list of windows in the app */
 153
 154     Window groupLeader;                /* the leader of the application */
 155                                        /* also used for other things */
 156
 157     struct W_SelectionHandlers *selectionHandlerList;
 158
 159     struct {
 160         unsigned int hasAppIcon:1;
 161         unsigned int simpleApplication:1;
 162     } aflags;
 163
 164     WMOpenPanel *sharedOpenPanel;
 165     WMSavePanel *sharedSavePanel;
 166
 167     struct W_FontPanel *sharedFontPanel;
 168
 169     struct W_ColorPanel *sharedColorPanel;
 170
 171     Pixmap stipple;
 172
 173     struct W_View *dragSourceView;
 174     struct W_DraggingInfo dragInfo;
 175
 176     /* colors */
 177     W_Color *white;
 178     W_Color *black;
 179     W_Color *gray;
 180     W_Color *darkGray;
 181
 182     GC stippleGC;
 183
 184     GC copyGC;
 185     GC clipGC;
 186
 187     GC monoGC;                         /* GC for 1bpp visuals */
 188
 189     GC xorGC;
 190
 191     GC ixorGC;                         /* IncludeInferiors XOR */
 192
 193     GC drawStringGC;                   /* for WMDrawString() */
 194
 195     GC drawImStringGC;                 /* for WMDrawImageString() */
 196
 197     W_Font *normalFont;
 198
 199     W_Font *boldFont;
 200
 201     WMHashTable *fontCache;
 202
 203     WMHashTable *xftFontCache;
 204
 205     WMHashTable *fontSetCache;
 206
 207     WMHashTable *xftFontSetCache;
 208
 209     Bool useMultiByte;
 210
 211     Bool antialiasedText;
 212
 213     unsigned int ignoredModifierMask; /* modifiers to ignore when typing txt */
 214
 215     struct W_Balloon *balloon;
 216
 217
 218     struct W_Pixmap *checkButtonImageOn;
 219     struct W_Pixmap *checkButtonImageOff;
 220
 221     struct W_Pixmap *radioButtonImageOn;
 222     struct W_Pixmap *radioButtonImageOff;
 223
 224     struct W_Pixmap *buttonArrow;
 225     struct W_Pixmap *pushedButtonArrow;
 226
 227     struct W_Pixmap *scrollerDimple;
 228
 229     struct W_Pixmap *upArrow;
 230     struct W_Pixmap *downArrow;
 231     struct W_Pixmap *leftArrow;
 232     struct W_Pixmap *rightArrow;
 233
 234     struct W_Pixmap *hiUpArrow;
 235     struct W_Pixmap *hiDownArrow;
 236     struct W_Pixmap *hiLeftArrow;
 237     struct W_Pixmap *hiRightArrow;
 238
 239     struct W_Pixmap *pullDownIndicator;
 240     struct W_Pixmap *popUpIndicator;
 241
 242     struct W_Pixmap *checkMark;
 243
 244     struct W_Pixmap *homeIcon;
 245     struct W_Pixmap *altHomeIcon;
 246
 247     struct W_Pixmap *trashcanIcon;
 248     struct W_Pixmap *altTrashcanIcon;
 249
 250     struct W_Pixmap *createDirIcon;
 251     struct W_Pixmap *altCreateDirIcon;
 252
 253     struct W_Pixmap *disketteIcon;
 254     struct W_Pixmap *altDisketteIcon;
 255     struct W_Pixmap *unmountIcon;
 256     struct W_Pixmap *altUnmountIcon;
 257
 258     struct W_Pixmap *magnifyIcon;
 259 /*    struct W_Pixmap *altMagnifyIcon;*/
 260     struct W_Pixmap *wheelIcon;
 261     struct W_Pixmap *grayIcon;
 262     struct W_Pixmap *rgbIcon;
 263     struct W_Pixmap *cmykIcon;
 264     struct W_Pixmap *hsbIcon;
 265     struct W_Pixmap *customPaletteIcon;
 266     struct W_Pixmap *colorListIcon;
 267
 268     struct W_Pixmap *defaultObjectIcon;
 269
 270     Cursor defaultCursor;
 271
 272     Cursor textCursor;
 273
 274     Cursor invisibleCursor;
 275
 276     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 277
 278     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 279
 280     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 281
 282     Atom clipboardAtom;                /* CLIPBOARD */
 283
 284     Atom xdndAwareAtom;                /* XdndAware */
 285     Atom xdndSelectionAtom;
 286     Atom xdndEnterAtom;
 287     Atom xdndLeaveAtom;
 288     Atom xdndPositionAtom;
 289     Atom xdndDropAtom;
 290     Atom xdndFinishedAtom;
 291     Atom xdndTypeListAtom;
 292     Atom xdndStatusAtom;
 293
 294     Atom xdndActionCopy;
 295     Atom xdndActionMove;
 296     Atom xdndActionLink;
 297     Atom xdndActionAsk;
 298     Atom xdndActionPrivate;
 299
 300     Atom wmIconDragOffsetAtom;
 301
 302     Atom wmStateAtom;                  /* WM_STATE */
 303
 304     /* stuff for detecting double-clicks */
 305     Time lastClickTime;                /* time of last mousedown event */
 306     Window lastClickWindow;            /* window of the last mousedown */
 307
 308     struct W_View *modalView;
 309     unsigned modalLoop:1;
 310     unsigned ignoreNextDoubleClick:1;
 311 } W_Screen;
 312
 313
 314
 315 typedef struct W_ViewDelegate {
 316     void *data;
 317
 318     void (*didMove)(struct W_ViewDelegate*, WMView*);
 319
 320     void (*didResize)(struct W_ViewDelegate*, WMView*);
 321
 322     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 323
 324     void (*willResize)(struct W_ViewDelegate*, WMView*,
 325                        unsigned int*, unsigned int*);
 326 } W_ViewDelegate;
 327
 328
 329
 330 typedef struct W_View {
 331     struct W_Screen *screen;
 332
 333     WMWidget *self;                    /* must point to the widget the
 334                                         * view belongs to */
 335
 336     W_ViewDelegate *delegate;
 337
 338     Window window;
 339
 340     WMSize size;
 341
 342     short topOffs;
 343     short leftOffs;
 344     short bottomOffs;
 345     short rightOffs;
 346
 347     WMPoint pos;
 348
 349     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 350     struct W_View *prevFocusChain;
 351
 352     struct W_View *nextResponder;      /* next to receive keyboard events */
 353
 354     struct W_View *parent;             /* parent WMView */
 355
 356     struct W_View *childrenList;       /* first in list of child windows */
 357
 358     struct W_View *nextSister;         /* next on parent's children list */
 359
 360     WMArray *eventHandlers;            /* event handlers for this window */
 361
 362     unsigned long attribFlags;
 363     XSetWindowAttributes attribs;
 364
 365     void *hangedData;                  /* data holder for user program */
 366
 367     WMColor *backColor;
 368
 369     Cursor cursor;
 370
 371     Atom *droppableTypes;
 372     struct W_DragSourceProcs *dragSourceProcs;
 373     struct W_DragDestinationProcs *dragDestinationProcs;
 374     int helpContext;
 375
 376
 377     struct {
 378         unsigned int realized:1;
 379         unsigned int mapped:1;
 380         unsigned int parentDying:1;
 381         unsigned int dying:1;          /* the view is being destroyed */
 382         unsigned int topLevel:1;       /* is a top level window */
 383         unsigned int root:1;           /* is the root window */
 384         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 385         unsigned int alreadyDead:1;    /* view was freed */
 386
 387         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 388         unsigned int notifySizeChanged:1;
 389         unsigned int dontCompressExpose:1;   /* will compress all expose
 390                                               events into one */
 391         /* toplevel only */
 392         unsigned int worksWhenModal:1;
 393         unsigned int pendingRelease1:1;
 394         unsigned int pendingRelease2:1;
 395         unsigned int pendingRelease3:1;
 396         unsigned int pendingRelease4:1;
 397         unsigned int pendingRelease5:1;
 398         unsigned int xdndHintSet:1;
 399     } flags;
 400
 401     int refCount;
 402 } W_View;
 403
 404
 405 typedef struct W_EventHandler {
 406     unsigned long eventMask;
 407
 408     WMEventProc *proc;
 409
 410     void *clientData;
 411 } W_EventHandler;
 412
 413
 414
 415
 416 typedef struct _WINGsConfiguration {
 417     char *systemFont;
 418     char *boldSystemFont;
 419     char *antialiasedSystemFont;
 420     char *antialiasedBoldSystemFont;
 421     int  defaultFontSize;
 422     Bool antialiasedText;
 423     Bool useMultiByte;
 424     char *floppyPath;
 425     unsigned doubleClickDelay;
 426     unsigned mouseWheelUp;
 427     unsigned mouseWheelDown;
 428 } _WINGsConfiguration;
 429
 430 extern _WINGsConfiguration WINGsConfiguration;
 431
 432
 433
 434 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 435
 436
 437 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 438 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 439
 440 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 441 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 442
 443 #define W_VIEW_DISPLAY(view)    (view)->screen->display
 444 #define W_VIEW_SCREEN(view)     (view)->screen
 445 #define W_VIEW_DRAWABLE(view)   (view)->window
 446
 447 #define W_VIEW_WIDTH(view)      (view)->size.width
 448 #define W_VIEW_HEIGHT(view)     (view)->size.height
 449
 450
 451 #define W_PIXEL(c)              (c)->color.pixel
 452
 453 #define W_FONTID(f)             (f)->font->fid
 454
 455 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 456
 457
 458
 459 W_View *W_GetViewForXWindow(Display *display, Window window);
 460
 461 W_View *W_CreateView(W_View *parent);
 462
 463 W_View *W_CreateTopView(W_Screen *screen);
 464
 465 W_View *W_CreateUnmanagedTopView(W_Screen *screen);
 466
 467
 468 W_View *W_CreateRootView(W_Screen *screen);
 469
 470 void W_DestroyView(W_View *view);
 471
 472 void W_RealizeView(W_View *view);
 473
 474 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 475
 476 void W_RaiseView(W_View *view);
 477
 478 void W_LowerView(W_View *view);
 479
 480
 481 void W_MapView(W_View *view);
 482
 483 void W_MapSubviews(W_View *view);
 484
 485 void W_UnmapSubviews(W_View *view);
 486
 487 W_View *W_TopLevelOfView(W_View *view);
 488
 489 void W_UnmapView(W_View *view);
 490
 491 void W_MoveView(W_View *view, int x, int y);
 492
 493 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 494
 495 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 496
 497 void W_SetViewCursor(W_View *view, Cursor cursor);
 498
 499 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 500                   unsigned int height, WMReliefType relief);
 501
 502 void W_DrawReliefWithGC(W_Screen *scr, Drawable d, int x, int y,
 503                         unsigned int width, unsigned int height,
 504                         WMReliefType relief,
 505                         GC black, GC dark, GC light, GC white);
 506
 507 void W_CallDestroyHandlers(W_View *view);
 508
 509 void W_PaintTextAndImage(W_View *view, int wrap, WMColor *textColor,
 510                          W_Font *font, WMReliefType relief, char *text,
 511                          WMAlignment alignment, W_Pixmap *image,
 512                          WMImagePosition position, WMColor *backColor, int ofs);
 513
 514 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 515                  int width, WMAlignment alignment, WMColor *color,
 516                  int wrap, char *text, int length);
 517
 518 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 519
 520
 521 int W_TextWidth(WMFont *font, char *text, int length);
 522
 523
 524 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 525
 526 void W_DispatchMessage(W_View *target, XEvent *event);
 527
 528 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 529
 530 W_View *W_FocusedViewOfToplevel(W_View *view);
 531
 532 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 533
 534 void W_ReleaseView(WMView *view);
 535
 536 WMView *W_RetainView(WMView *view);
 537
 538 void W_InitApplication(WMScreen *scr);
 539
 540 void W_InitNotificationCenter(void);
 541
 542 W_Class W_RegisterUserWidget(void);
 543
 544 void W_RedisplayView(WMView *view);
 545
 546 Bool W_ApplicationInitialized(void);
 547
 548 void W_HandleSelectionEvent(XEvent *event);
 549
 550 void W_HandleDNDClientMessage(WMView *toplevel, XClientMessageEvent *event);
 551
 552 void W_FlushASAPNotificationQueue(void);
 553
 554 void W_FlushIdleNotificationQueue(void);
 555
 556 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 557
 558 void W_BalloonHandleEnterView(WMView *view);
 559
 560 void W_BalloonHandleLeaveView(WMView *view);
 561
 562 Bool W_CheckIdleHandlers(void);
 563
 564 void W_CheckTimerHandlers(void);
 565
 566 Bool W_HandleInputEvents(Bool waitForInput, int inputfd);
 567
 568 #ifdef __cplusplus
 569 }
 570 #endif /* __cplusplus */
 571
 572 #endif /* _WINGSP_H_ */