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 < 20040406
  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
  26 #define DOUBLE_BUFFER   1
  27
  28 #define WC_UserWidget   128
  29
  30 #define SCROLLER_WIDTH  20
  31
  32 #define XDND_VERSION    4
  33
  34
  35 typedef struct W_Application {
  36     char *applicationName;
  37     int argc;
  38     char **argv;
  39     char *resourcePath;
  40 } W_Application;
  41
  42
  43 typedef struct W_Font {
  44     struct W_Screen *screen;
  45
  46 #ifdef XFT
  47     struct _XftFont *font;
  48 #else
  49     // pick one
  50     //XFontSet font;
  51     XFontStruct *font;
  52 #endif
  53
  54     short height;
  55     short y;
  56     short refCount;
  57     char *name;
  58     //unsigned int notFontSet:1;
  59     //unsigned int antialiased: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     unsigned short alpha;
  79     short refCount;
  80     GC gc;
  81     struct {
  82         unsigned int exact:1;
  83     } flags;
  84 } W_Color;
  85
  86
  87 typedef struct W_FocusInfo {
  88     struct W_View *toplevel;
  89     struct W_View *focused;            /* view that has the focus in this toplevel */
  90     struct W_FocusInfo *next;
  91 } W_FocusInfo;
  92
  93
  94
  95 typedef void* W_DndState(WMView *destView, XClientMessageEvent *event,
  96                          WMDraggingInfo *info);
  97
  98
  99 typedef struct W_DragOperationItem {
 100     WMDragOperationType type;
 101     char* text;
 102 } W_DragOperationItem;
 103
 104
 105 typedef struct W_DragSourceInfo {
 106     WMView *sourceView;
 107     Window destinationWindow;
 108     W_DndState *state;
 109     WMSelectionProcs *selectionProcs;
 110     Window icon;
 111     WMPoint imageLocation;
 112     WMPoint mouseOffset; /* mouse pos in icon */
 113     Cursor dragCursor;
 114     WMRect noPositionMessageZone;
 115     Atom firstThreeTypes[3];
 116 } W_DragSourceInfo;
 117
 118
 119 typedef struct W_DragDestinationInfo {
 120     WMView *destView;
 121     Window sourceWindow;
 122     W_DndState *state;
 123     WMArray *sourceTypes;
 124     WMArray *requiredTypes;
 125     Bool typeListAvailable;
 126     WMArray *dropDatas;
 127 } W_DragDestinationInfo;
 128
 129
 130 struct W_DraggingInfo {
 131     unsigned char protocolVersion;
 132     Time timestamp;
 133
 134     Atom sourceAction;
 135     Atom destinationAction;
 136
 137     W_DragSourceInfo* sourceInfo;    /* infos needed by source */
 138     W_DragDestinationInfo* destInfo; /* infos needed by destination */
 139 } W_DraggingInfo;
 140
 141 /* original
 142 struct W_DraggingInfo {
 143     Window destinationWindow;
 144     Window sourceWindow;
 145
 146     WMPoint location;
 147
 148     unsigned sourceOperation;
 149     WMPixmap *image;
 150     WMPoint imageLocation;
 151
 152     char **types;
 153
 154     Time timestamp;
 155
 156     int protocolVersion;
 157
 158     // should be treated as internal data
 159     WMView *sourceView;
 160     WMView *destView;
 161     WMSize mouseOffset;
 162     unsigned finished:1;
 163 };
 164 */
 165
 166
 167 typedef struct W_Screen {
 168     Display *display;
 169     int screen;
 170     int depth;
 171
 172     Colormap colormap;
 173
 174     Visual *visual;
 175
 176     Time lastEventTime;
 177
 178     Window rootWin;
 179
 180     struct W_View *rootView;
 181
 182     RContext *rcontext;
 183
 184     struct W_IMContext *imctx;
 185
 186     struct _XftDraw *xftdraw;          /* shared XftDraw */
 187
 188     /* application related */
 189
 190     W_FocusInfo *focusInfo;
 191
 192     RImage *applicationIconImage;      /* image (can have alpha channel) */
 193     struct W_Pixmap *applicationIconPixmap; /* pixmap - no alpha channel */
 194     Window applicationIconWindow;
 195
 196     struct W_Window *windowList;       /* list of windows in the app */
 197
 198     Window groupLeader;                /* the leader of the application */
 199                                        /* also used for other things */
 200
 201     struct W_SelectionHandlers *selectionHandlerList;
 202
 203     struct {
 204         unsigned int hasAppIcon:1;
 205         unsigned int simpleApplication:1;
 206     } aflags;
 207
 208     WMOpenPanel *sharedOpenPanel;
 209     WMSavePanel *sharedSavePanel;
 210
 211     struct W_FontPanel *sharedFontPanel;
 212
 213     struct W_ColorPanel *sharedColorPanel;
 214
 215     Pixmap stipple;
 216
 217     struct W_View *dragSourceView;
 218     struct W_DraggingInfo dragInfo;
 219
 220     /* colors */
 221     W_Color *white;
 222     W_Color *black;
 223     W_Color *gray;
 224     W_Color *darkGray;
 225
 226     GC stippleGC;
 227
 228     GC copyGC;
 229     GC clipGC;
 230
 231     GC monoGC;                         /* GC for 1bpp visuals */
 232
 233     GC xorGC;
 234
 235     GC ixorGC;                         /* IncludeInferiors XOR */
 236
 237     GC drawStringGC;                   /* for WMDrawString() */
 238
 239     GC drawImStringGC;                 /* for WMDrawImageString() */
 240
 241     W_Font *normalFont;
 242
 243     W_Font *boldFont;
 244
 245     WMHashTable *fontCache;
 246
 247     Bool useMultiByte;
 248
 249     Bool useWideChar;
 250
 251     Bool antialiasedText;
 252
 253     unsigned int ignoredModifierMask; /* modifiers to ignore when typing txt */
 254
 255     struct W_Balloon *balloon;
 256
 257
 258     struct W_Pixmap *checkButtonImageOn;
 259     struct W_Pixmap *checkButtonImageOff;
 260
 261     struct W_Pixmap *radioButtonImageOn;
 262     struct W_Pixmap *radioButtonImageOff;
 263
 264     struct W_Pixmap *buttonArrow;
 265     struct W_Pixmap *pushedButtonArrow;
 266
 267     struct W_Pixmap *scrollerDimple;
 268
 269     struct W_Pixmap *upArrow;
 270     struct W_Pixmap *downArrow;
 271     struct W_Pixmap *leftArrow;
 272     struct W_Pixmap *rightArrow;
 273
 274     struct W_Pixmap *hiUpArrow;
 275     struct W_Pixmap *hiDownArrow;
 276     struct W_Pixmap *hiLeftArrow;
 277     struct W_Pixmap *hiRightArrow;
 278
 279     struct W_Pixmap *pullDownIndicator;
 280     struct W_Pixmap *popUpIndicator;
 281
 282     struct W_Pixmap *checkMark;
 283
 284     struct W_Pixmap *homeIcon;
 285     struct W_Pixmap *altHomeIcon;
 286
 287     struct W_Pixmap *trashcanIcon;
 288     struct W_Pixmap *altTrashcanIcon;
 289
 290     struct W_Pixmap *createDirIcon;
 291     struct W_Pixmap *altCreateDirIcon;
 292
 293     struct W_Pixmap *disketteIcon;
 294     struct W_Pixmap *altDisketteIcon;
 295     struct W_Pixmap *unmountIcon;
 296     struct W_Pixmap *altUnmountIcon;
 297
 298     struct W_Pixmap *magnifyIcon;
 299     /*struct W_Pixmap *altMagnifyIcon;*/
 300     struct W_Pixmap *wheelIcon;
 301     struct W_Pixmap *grayIcon;
 302     struct W_Pixmap *rgbIcon;
 303     struct W_Pixmap *cmykIcon;
 304     struct W_Pixmap *hsbIcon;
 305     struct W_Pixmap *customPaletteIcon;
 306     struct W_Pixmap *colorListIcon;
 307
 308     struct W_Pixmap *defaultObjectIcon;
 309
 310     Cursor defaultCursor;
 311
 312     Cursor textCursor;
 313
 314     Cursor invisibleCursor;
 315
 316     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 317
 318     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 319
 320     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 321
 322     Atom clipboardAtom;                /* CLIPBOARD */
 323
 324     Atom xdndAwareAtom;                /* XdndAware */
 325     Atom xdndSelectionAtom;
 326     Atom xdndEnterAtom;
 327     Atom xdndLeaveAtom;
 328     Atom xdndPositionAtom;
 329     Atom xdndDropAtom;
 330     Atom xdndFinishedAtom;
 331     Atom xdndTypeListAtom;
 332     Atom xdndActionListAtom;
 333     Atom xdndActionDescriptionAtom;
 334     Atom xdndStatusAtom;
 335
 336     Atom xdndActionCopy;
 337     Atom xdndActionMove;
 338     Atom xdndActionLink;
 339     Atom xdndActionAsk;
 340     Atom xdndActionPrivate;
 341
 342     Atom wmIconDragOffsetAtom;
 343
 344     Atom wmStateAtom;                  /* WM_STATE */
 345
 346     /* stuff for detecting double-clicks */
 347     Time lastClickTime;                /* time of last mousedown event */
 348     Window lastClickWindow;            /* window of the last mousedown */
 349
 350     struct W_View *modalView;
 351     unsigned modalLoop:1;
 352     unsigned ignoreNextDoubleClick:1;
 353 } W_Screen;
 354
 355
 356
 357 typedef struct W_ViewDelegate {
 358     void *data;
 359
 360     void (*didMove)(struct W_ViewDelegate*, WMView*);
 361
 362     void (*didResize)(struct W_ViewDelegate*, WMView*);
 363
 364     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 365
 366     void (*willResize)(struct W_ViewDelegate*, WMView*,
 367                        unsigned int*, unsigned int*);
 368 } W_ViewDelegate;
 369
 370
 371
 372 typedef struct W_View {
 373     struct W_Screen *screen;
 374
 375     WMWidget *self;                    /* must point to the widget the
 376     * view belongs to */
 377
 378     W_ViewDelegate *delegate;
 379
 380     Window window;
 381
 382     WMSize size;
 383
 384     short topOffs;
 385     short leftOffs;
 386     short bottomOffs;
 387     short rightOffs;
 388
 389     WMPoint pos;
 390
 391     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 392     struct W_View *prevFocusChain;
 393
 394     struct W_View *nextResponder;      /* next to receive keyboard events */
 395
 396     struct W_View *parent;             /* parent WMView */
 397
 398     struct W_View *childrenList;       /* first in list of child windows */
 399
 400     struct W_View *nextSister;         /* next on parent's children list */
 401
 402     WMArray *eventHandlers;            /* event handlers for this window */
 403
 404     unsigned long attribFlags;
 405     XSetWindowAttributes attribs;
 406
 407     void *hangedData;                  /* data holder for user program */
 408
 409     WMColor *backColor;
 410
 411     Cursor cursor;
 412
 413     Atom *droppableTypes;
 414     struct W_DragSourceProcs      *dragSourceProcs;
 415     struct W_DragDestinationProcs *dragDestinationProcs;
 416     WMPixmap *dragImage;
 417     int helpContext;
 418
 419
 420     struct {
 421         unsigned int realized:1;
 422         unsigned int mapped:1;
 423         unsigned int parentDying:1;
 424         unsigned int dying:1;           /* the view is being destroyed */
 425         unsigned int topLevel:1;        /* is a top level window */
 426         unsigned int root:1;            /* is the root window */
 427         unsigned int mapWhenRealized:1; /* map the view when it's realized */
 428         unsigned int alreadyDead:1;     /* view was freed */
 429
 430         unsigned int dontCompressMotion:1; /* motion notify event compress */
 431         unsigned int notifySizeChanged:1;
 432         unsigned int dontCompressExpose:1; /* expose event compress */
 433
 434         /* toplevel only */
 435         unsigned int worksWhenModal:1;
 436         unsigned int pendingRelease1:1;
 437         unsigned int pendingRelease2:1;
 438         unsigned int pendingRelease3:1;
 439         unsigned int pendingRelease4:1;
 440         unsigned int pendingRelease5:1;
 441         unsigned int xdndHintSet:1;
 442     } flags;
 443
 444     int refCount;
 445 } W_View;
 446
 447
 448 typedef struct W_EventHandler {
 449     unsigned long eventMask;
 450
 451     WMEventProc *proc;
 452
 453     void *clientData;
 454 } W_EventHandler;
 455
 456
 457
 458
 459 typedef struct _WINGsConfiguration {
 460     char *systemFont;
 461     char *boldSystemFont;
 462     int  defaultFontSize;
 463     Bool antialiasedText;
 464     Bool useMultiByte;
 465     char *floppyPath;
 466     unsigned doubleClickDelay;
 467     unsigned mouseWheelUp;
 468     unsigned mouseWheelDown;
 469 } _WINGsConfiguration;
 470
 471 extern _WINGsConfiguration WINGsConfiguration;
 472
 473
 474
 475 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 476
 477
 478 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 479 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 480
 481 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 482 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 483
 484 #define W_VIEW_DISPLAY(view)    (view)->screen->display
 485 #define W_VIEW_SCREEN(view)     (view)->screen
 486 #define W_VIEW_DRAWABLE(view)   (view)->window
 487
 488 #define W_VIEW_WIDTH(view)      (view)->size.width
 489 #define W_VIEW_HEIGHT(view)     (view)->size.height
 490
 491
 492 #define W_PIXEL(c)              (c)->color.pixel
 493
 494 #define W_FONTID(f)             (f)->font->fid
 495
 496 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 497
 498
 499
 500 W_View *W_GetViewForXWindow(Display *display, Window window);
 501
 502 W_View *W_CreateView(W_View *parent);
 503
 504 W_View *W_CreateTopView(W_Screen *screen);
 505
 506 W_View *W_CreateUnmanagedTopView(W_Screen *screen);
 507
 508
 509 W_View *W_CreateRootView(W_Screen *screen);
 510
 511 void W_DestroyView(W_View *view);
 512
 513 void W_RealizeView(W_View *view);
 514
 515 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 516
 517 void W_RaiseView(W_View *view);
 518
 519 void W_LowerView(W_View *view);
 520
 521
 522 void W_MapView(W_View *view);
 523
 524 void W_MapSubviews(W_View *view);
 525
 526 void W_UnmapSubviews(W_View *view);
 527
 528 W_View *W_TopLevelOfView(W_View *view);
 529
 530 void W_UnmapView(W_View *view);
 531
 532 void W_MoveView(W_View *view, int x, int y);
 533
 534 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 535
 536 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 537
 538 void W_SetViewCursor(W_View *view, Cursor cursor);
 539
 540 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 541                   unsigned int height, WMReliefType relief);
 542
 543 void W_DrawReliefWithGC(W_Screen *scr, Drawable d, int x, int y,
 544                         unsigned int width, unsigned int height,
 545                         WMReliefType relief,
 546                         GC black, GC dark, GC light, GC white);
 547
 548 void W_CallDestroyHandlers(W_View *view);
 549
 550 void W_PaintTextAndImage(W_View *view, int wrap, WMColor *textColor,
 551                          W_Font *font, WMReliefType relief, char *text,
 552                          WMAlignment alignment, W_Pixmap *image,
 553                          WMImagePosition position, WMColor *backColor, int ofs);
 554
 555 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 556                  int width, WMAlignment alignment, WMColor *color,
 557                  int wrap, char *text, int length);
 558
 559 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 560
 561
 562 int W_TextWidth(WMFont *font, char *text, int length);
 563
 564
 565 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 566
 567 void W_DispatchMessage(W_View *target, XEvent *event);
 568
 569 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 570
 571 W_View *W_FocusedViewOfToplevel(W_View *view);
 572
 573 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 574
 575 void W_ReleaseView(WMView *view);
 576
 577 WMView *W_RetainView(WMView *view);
 578
 579 void W_InitApplication(WMScreen *scr);
 580
 581 void W_InitNotificationCenter(void);
 582
 583 W_Class W_RegisterUserWidget(void);
 584
 585 void W_RedisplayView(WMView *view);
 586
 587 Bool W_ApplicationInitialized(void);
 588
 589 void W_HandleSelectionEvent(XEvent *event);
 590
 591 void W_HandleDNDClientMessage(WMView *toplevel, XClientMessageEvent *event);
 592
 593 void W_FlushASAPNotificationQueue(void);
 594
 595 void W_FlushIdleNotificationQueue(void);
 596
 597 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 598
 599 void W_BalloonHandleEnterView(WMView *view);
 600
 601 void W_BalloonHandleLeaveView(WMView *view);
 602
 603 Bool W_CheckIdleHandlers(void);
 604
 605 void W_CheckTimerHandlers(void);
 606
 607 Bool W_HandleInputEvents(Bool waitForInput, int inputfd);
 608
 609 /* XDnD */
 610 Atom W_OperationToAction(WMScreen *scr, WMDragOperationType operation);
 611
 612 WMDragOperationType W_ActionToOperation(WMScreen *scr, Atom action);
 613
 614 void W_FreeDragOperationItem(void* item);
 615
 616 Bool W_SendDnDClientMessage(Display *dpy, Window win, Atom message,
 617                             unsigned long data1, unsigned long data2,
 618                             unsigned long data3, unsigned long data4,
 619                             unsigned long data5);
 620
 621 void W_DragSourceStartTimer(WMDraggingInfo *info);
 622
 623 void W_DragSourceStopTimer();
 624
 625 void W_DragSourceStateHandler(WMDraggingInfo *info, XClientMessageEvent *event);
 626
 627 void W_DragDestinationStartTimer(WMDraggingInfo *info);
 628
 629 void W_DragDestinationStopTimer();
 630
 631 void W_DragDestinationStoreEnterMsgInfo(WMDraggingInfo *info, WMView *toplevel,
 632                                         XClientMessageEvent *event);
 633
 634 void W_DragDestinationStorePositionMsgInfo(WMDraggingInfo *info,
 635                                            WMView *toplevel,
 636                                            XClientMessageEvent *event);
 637
 638 void W_DragDestinationCancelDropOnEnter(WMView *toplevel, WMDraggingInfo *info);
 639
 640 void W_DragDestinationStateHandler(WMDraggingInfo *info,
 641                                    XClientMessageEvent *event);
 642
 643 void W_DragDestinationInfoClear(WMDraggingInfo *info);
 644
 645 void W_FreeViewXdndPart(WMView *view);
 646
 647 #ifdef __cplusplus
 648 }
 649 #endif /* __cplusplus */
 650
 651 #endif /* _WINGSP_H_ */
 652