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.h"
  10
  11 #if WINGS_H_VERSION < 20000521
  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
 141     struct W_Window *windowList;       /* list of windows in the app */
 142
 143     Window groupLeader;                /* the leader of the application */
 144                                        /* also used for other things */
 145
 146     struct W_SelectionHandlers *selectionHandlerList;
 147
 148     struct {
 149         unsigned int hasAppIcon:1;
 150         unsigned int simpleApplication:1;
 151     } aflags;
 152
 153     WMOpenPanel *sharedOpenPanel;
 154     WMSavePanel *sharedSavePanel;
 155
 156     struct W_FontPanel *sharedFontPanel;
 157
 158     struct W_ColorPanel *sharedColorPanel;
 159
 160     Pixmap stipple;
 161
 162     struct W_View *dragSourceView;
 163     struct W_DraggingInfo dragInfo;
 164
 165     /* colors */
 166     W_Color *white;
 167     W_Color *black;
 168     W_Color *gray;
 169     W_Color *darkGray;
 170
 171     GC stippleGC;
 172
 173     GC copyGC;
 174     GC clipGC;
 175
 176     GC monoGC;                         /* GC for 1bpp visuals */
 177
 178     GC xorGC;
 179
 180     GC ixorGC;                         /* IncludeInferiors XOR */
 181
 182     GC textFieldGC;
 183
 184     W_Font *normalFont;
 185
 186     W_Font *boldFont;
 187
 188     WMHashTable *fontCache;
 189
 190     Bool useMultiByte;
 191
 192     struct W_Balloon *balloon;
 193
 194
 195     struct W_Pixmap *checkButtonImageOn;
 196     struct W_Pixmap *checkButtonImageOff;
 197
 198     struct W_Pixmap *radioButtonImageOn;
 199     struct W_Pixmap *radioButtonImageOff;
 200
 201     struct W_Pixmap *buttonArrow;
 202     struct W_Pixmap *pushedButtonArrow;
 203
 204     struct W_Pixmap *scrollerDimple;
 205
 206     struct W_Pixmap *upArrow;
 207     struct W_Pixmap *downArrow;
 208     struct W_Pixmap *leftArrow;
 209     struct W_Pixmap *rightArrow;
 210
 211     struct W_Pixmap *hiUpArrow;
 212     struct W_Pixmap *hiDownArrow;
 213     struct W_Pixmap *hiLeftArrow;
 214     struct W_Pixmap *hiRightArrow;
 215
 216     struct W_Pixmap *pullDownIndicator;
 217     struct W_Pixmap *popUpIndicator;
 218
 219     struct W_Pixmap *checkMark;
 220
 221     struct W_Pixmap *homeIcon;
 222     struct W_Pixmap *altHomeIcon;
 223
 224     struct W_Pixmap *trashcanIcon;
 225     struct W_Pixmap *altTrashcanIcon;
 226
 227     struct W_Pixmap *createDirIcon;
 228     struct W_Pixmap *altCreateDirIcon;
 229
 230     struct W_Pixmap *disketteIcon;
 231     struct W_Pixmap *altDisketteIcon;
 232     struct W_Pixmap *unmountIcon;
 233     struct W_Pixmap *altUnmountIcon;
 234
 235     struct W_Pixmap *magnifyIcon;
 236 /*    struct W_Pixmap *altMagnifyIcon;*/
 237     struct W_Pixmap *wheelIcon;
 238     struct W_Pixmap *grayIcon;
 239     struct W_Pixmap *rgbIcon;
 240     struct W_Pixmap *cmykIcon;
 241     struct W_Pixmap *hsbIcon;
 242     struct W_Pixmap *customPaletteIcon;
 243     struct W_Pixmap *colorListIcon;
 244
 245     struct W_Pixmap *defaultObjectIcon;
 246
 247     Cursor defaultCursor;
 248
 249     Cursor textCursor;
 250
 251     Cursor invisibleCursor;
 252
 253     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 254
 255     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 256
 257     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 258
 259     Atom clipboardAtom;                /* CLIPBOARD */
 260
 261     Atom xdndAwareAtom;                /* XdndAware */
 262     Atom xdndSelectionAtom;
 263     Atom xdndEnterAtom;
 264     Atom xdndLeaveAtom;
 265     Atom xdndPositionAtom;
 266     Atom xdndDropAtom;
 267     Atom xdndFinishedAtom;
 268     Atom xdndTypeListAtom;
 269     Atom xdndStatusAtom;
 270
 271     Atom xdndActionCopy;
 272     Atom xdndActionMove;
 273     Atom xdndActionLink;
 274     Atom xdndActionAsk;
 275     Atom xdndActionPrivate;
 276
 277     Atom wmIconDragOffsetAtom;
 278
 279     Atom wmStateAtom;                  /* WM_STATE */
 280
 281     /* stuff for detecting double-clicks */
 282     Time lastClickTime;                /* time of last mousedown event */
 283     Window lastClickWindow;            /* window of the last mousedown */
 284
 285     struct W_View *modalView;
 286     unsigned modal:1;
 287     unsigned ignoreNextDoubleClick:1;
 288 } W_Screen;
 289
 290
 291
 292 typedef struct W_ViewDelegate {
 293     void *data;
 294
 295     void (*didMove)(struct W_ViewDelegate*, WMView*);
 296
 297     void (*didResize)(struct W_ViewDelegate*, WMView*);
 298
 299     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 300
 301     void (*willResize)(struct W_ViewDelegate*, WMView*,
 302                        unsigned int*, unsigned int*);
 303 } W_ViewDelegate;
 304
 305
 306
 307 typedef struct W_View {
 308     struct W_Screen *screen;
 309
 310     WMWidget *self;                    /* must point to the widget the
 311                                         * view belongs to */
 312
 313     W_ViewDelegate *delegate;
 314
 315     Window window;
 316
 317     WMSize size;
 318
 319     WMPoint pos;
 320
 321     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 322     struct W_View *prevFocusChain;
 323
 324     struct W_View *parent;             /* parent WMView */
 325
 326     struct W_View *childrenList;       /* first in list of child windows */
 327
 328     struct W_View *nextSister;         /* next on parent's children list */
 329
 330     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 331
 332     unsigned long attribFlags;
 333     XSetWindowAttributes attribs;
 334
 335     void *hangedData;                  /* data holder for user program */
 336
 337     WMColor *backColor;
 338
 339
 340     Atom *droppableTypes;
 341     struct W_DragSourceProcs *dragSourceProcs;
 342     struct W_DragDestinationProcs *dragDestinationProcs;
 343     int helpContext;
 344
 345
 346     struct {
 347         unsigned int realized:1;
 348         unsigned int mapped:1;
 349         unsigned int parentDying:1;
 350         unsigned int dying:1;          /* the view is being destroyed */
 351         unsigned int topLevel:1;       /* is a top level window */
 352         unsigned int root:1;           /* is the root window */
 353         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 354         unsigned int alreadyDead:1;    /* view was freed */
 355
 356         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 357         unsigned int notifySizeChanged:1;
 358         unsigned int dontCompressExpose:1;   /* will compress all expose
 359                                               events into one */
 360         /* toplevel only */
 361         unsigned int worksWhenModal:1;
 362         unsigned int pendingRelease1:1;
 363         unsigned int pendingRelease2:1;
 364         unsigned int pendingRelease3:1;
 365         unsigned int pendingRelease4:1;
 366         unsigned int pendingRelease5:1;
 367         unsigned int xdndHintSet:1;
 368     } flags;
 369
 370     int refCount;
 371 } W_View;
 372
 373
 374 typedef struct W_EventHandler {
 375     unsigned long eventMask;
 376
 377     WMEventProc *proc;
 378
 379     void *clientData;
 380
 381     struct W_EventHandler *nextHandler;
 382 } W_EventHandler;
 383
 384
 385
 386
 387 typedef struct _WINGsConfiguration {
 388     char *systemFont;
 389     char *boldSystemFont;
 390     int  defaultFontSize;
 391     Bool useMultiByte;
 392     char *floppyPath;
 393     unsigned doubleClickDelay;
 394     unsigned mouseWheelUp;
 395     unsigned mouseWheelDown;
 396 } _WINGsConfiguration;
 397
 398 extern _WINGsConfiguration WINGsConfiguration;
 399
 400
 401
 402 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 403
 404
 405 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 406 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 407
 408 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 409 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 410
 411 #define W_VIEW_SCREEN(view)     (view)->screen
 412 #define W_VIEW_DRAWABLE(view)   (view)->window
 413
 414 #define W_VIEW_WIDTH(view)      (view)->size.width
 415 #define W_VIEW_HEIGHT(view)     (view)->size.height
 416
 417
 418 #define W_PIXEL(c)              (c)->color.pixel
 419
 420 #define W_FONTID(f)             (f)->font->fid
 421
 422 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 423
 424
 425
 426 W_View *W_GetViewForXWindow(Display *display, Window window);
 427
 428 W_View *W_CreateView(W_View *parent);
 429
 430 W_View *W_CreateTopView(W_Screen *screen);
 431
 432
 433 W_View *W_CreateRootView(W_Screen *screen);
 434
 435 void W_DestroyView(W_View *view);
 436
 437 void W_RealizeView(W_View *view);
 438
 439 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 440
 441 void W_MapView(W_View *view);
 442
 443 void W_MapSubviews(W_View *view);
 444
 445 void W_UnmapSubviews(W_View *view);
 446
 447 W_View *W_TopLevelOfView(W_View *view);
 448
 449 void W_UnmapView(W_View *view);
 450
 451 void W_MoveView(W_View *view, int x, int y);
 452
 453 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 454
 455 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 456
 457 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 458                   unsigned int height, WMReliefType relief);
 459
 460 void W_DrawReliefWithGC(W_Screen *scr, Drawable d, int x, int y,
 461                         unsigned int width, unsigned int height,
 462                         WMReliefType relief,
 463                         GC black, GC dark, GC light, GC white);
 464
 465 void W_CleanUpEvents(W_View *view);
 466
 467 void W_CallDestroyHandlers(W_View *view);
 468
 469 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 470                          WMReliefType relief, char *text,
 471                          WMAlignment alignment, W_Pixmap *image,
 472                          WMImagePosition position, GC backGC, int ofs);
 473
 474 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 475                  int width, WMAlignment alignment, GC gc,
 476                  int wrap, char *text, int length);
 477
 478 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 479
 480
 481 int W_TextWidth(WMFont *font, char *text, int length);
 482
 483
 484 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 485
 486 void W_DispatchMessage(W_View *target, XEvent *event);
 487
 488 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 489
 490 W_View *W_FocusedViewOfToplevel(W_View *view);
 491
 492 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 493
 494 void W_ReleaseView(WMView *view);
 495
 496 WMView *W_RetainView(WMView *view);
 497
 498 void W_InitApplication(WMScreen *scr);
 499
 500 void W_InitNotificationCenter(void);
 501
 502 W_Class W_RegisterUserWidget(void);
 503
 504 void W_RedisplayView(WMView *view);
 505
 506 Bool W_ApplicationInitialized(void);
 507
 508 void W_HandleSelectionEvent(XEvent *event);
 509
 510 void W_HandleDNDClientMessage(WMView *toplevel, XClientMessageEvent *event);
 511
 512 void W_FlushASAPNotificationQueue();
 513
 514 void W_FlushIdleNotificationQueue();
 515
 516 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 517
 518 void W_BalloonHandleEnterView(WMView *view);
 519
 520 void W_BalloonHandleLeaveView(WMView *view);
 521
 522 #ifdef __cplusplus
 523 }
 524 #endif /* __cplusplus */
 525
 526 #endif /* _WINGSP_H_ */