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 < 990516
  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 /* internal messages */
  36 #define WM_UPDATE_COLORWELL     130
  37
  38
  39 #define WM_USER_MESSAGE 1024
  40
  41
  42 #define SETUP_INTERNAL_MESSAGE(event, scrPtr) \
  43                 event.xclient.type=ClientMessage;\
  44                 event.xclient.display=scrPtr->display;\
  45                 event.xclient.send_event=False;\
  46                 event.xclient.serial=0;\
  47                 event.xclient.format=32;\
  48                 event.xclient.message_type=scrPtr->internalMessage;
  49
  50
  51 typedef struct W_Font {
  52     struct W_Screen *screen;
  53
  54     union {
  55         XFontSet set;
  56         XFontStruct *normal;
  57     } font;
  58     short height;
  59     short y;
  60     short refCount;
  61     char *name;
  62     unsigned int notFontSet:1;
  63 } W_Font;
  64
  65
  66 typedef struct W_Pixmap {
  67     struct W_Screen *screen;
  68     Pixmap pixmap;
  69     Pixmap mask;
  70     unsigned short width;
  71     unsigned short height;
  72     short depth;
  73     short refCount;
  74 } W_Pixmap;
  75
  76
  77 typedef struct W_Color {
  78     struct W_Screen *screen;
  79
  80     XColor color;
  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 typedef struct W_Screen {
  97     Display *display;
  98     int screen;
  99     int depth;
 100
 101     Colormap colormap;
 102
 103     Visual *visual;
 104
 105     Time lastEventTime;
 106
 107     Window rootWin;
 108
 109     struct W_View *rootView;
 110
 111     RContext *rcontext;
 112
 113     /* application related */
 114
 115     W_FocusInfo *focusInfo;
 116
 117     struct W_Pixmap *applicationIcon;
 118
 119     struct W_Window *windowList;       /* list of windows in the app */
 120
 121     Window groupLeader;                /* the leader of the application */
 122                                        /* also used for other things */
 123
 124     struct W_SelectionHandlers *selectionHandlerList;
 125
 126     struct {
 127         unsigned int hasAppIcon:1;
 128         unsigned int simpleApplication:1;
 129     } aflags;
 130
 131     WMOpenPanel *sharedOpenPanel;
 132     WMSavePanel *sharedSavePanel;
 133
 134     struct W_FontPanel *sharedFontPanel;
 135
 136     struct W_ColorPanel *sharedColorPanel;
 137
 138     Pixmap stipple;
 139
 140     /* colors */
 141     W_Color *white;
 142     W_Color *black;
 143     W_Color *gray;
 144     W_Color *darkGray;
 145
 146     GC stippleGC;
 147
 148     GC copyGC;
 149     GC clipGC;
 150
 151     GC monoGC;                         /* GC for 1bpp visuals */
 152
 153     GC xorGC;
 154
 155     GC ixorGC;                         /* IncludeInferiors XOR */
 156
 157     GC textFieldGC;
 158
 159     W_Font *normalFont;
 160
 161     W_Font *boldFont;
 162
 163     WMHashTable *fontCache;
 164
 165     Bool useMultiByte;
 166
 167     struct W_Balloon *balloon;
 168
 169
 170     struct W_Pixmap *checkButtonImageOn;
 171     struct W_Pixmap *checkButtonImageOff;
 172
 173     struct W_Pixmap *radioButtonImageOn;
 174     struct W_Pixmap *radioButtonImageOff;
 175
 176     struct W_Pixmap *buttonArrow;
 177     struct W_Pixmap *pushedButtonArrow;
 178
 179     struct W_Pixmap *scrollerDimple;
 180
 181     struct W_Pixmap *upArrow;
 182     struct W_Pixmap *downArrow;
 183     struct W_Pixmap *leftArrow;
 184     struct W_Pixmap *rightArrow;
 185
 186     struct W_Pixmap *hiUpArrow;
 187     struct W_Pixmap *hiDownArrow;
 188     struct W_Pixmap *hiLeftArrow;
 189     struct W_Pixmap *hiRightArrow;
 190
 191     struct W_Pixmap *pullDownIndicator;
 192     struct W_Pixmap *popUpIndicator;
 193
 194     struct W_Pixmap *checkMark;
 195
 196     struct W_Pixmap *homeIcon;
 197     struct W_Pixmap *altHomeIcon;
 198
 199     struct W_Pixmap *trashcanIcon;
 200     struct W_Pixmap *altTrashcanIcon;
 201
 202     struct W_Pixmap *createDirIcon;
 203     struct W_Pixmap *altCreateDirIcon;
 204
 205     struct W_Pixmap *disketteIcon;
 206     struct W_Pixmap *altDisketteIcon;
 207     struct W_Pixmap *unmountIcon;
 208     struct W_Pixmap *altUnmountIcon;
 209
 210     struct W_Pixmap *magnifyIcon;
 211 /*    struct W_Pixmap *altMagnifyIcon;*/
 212     struct W_Pixmap *wheelIcon;
 213     struct W_Pixmap *grayIcon;
 214     struct W_Pixmap *rgbIcon;
 215     struct W_Pixmap *cmykIcon;
 216     struct W_Pixmap *hsbIcon;
 217     struct W_Pixmap *customPaletteIcon;
 218     struct W_Pixmap *colorListIcon;
 219
 220     struct W_Pixmap *defaultObjectIcon;
 221
 222     Cursor defaultCursor;
 223
 224     Cursor textCursor;
 225
 226     Cursor invisibleCursor;
 227
 228     Atom internalMessage;              /* for ClientMessage */
 229
 230     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 231
 232     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 233
 234     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 235
 236     Atom clipboardAtom;                /* CLIPBOARD */
 237
 238
 239     /* stuff for detecting double-clicks */
 240     Time lastClickTime;                /* time of last mousedown event */
 241     Window lastClickWindow;            /* window of the last mousedown */
 242
 243     struct W_View *modalView;
 244     unsigned modal:1;
 245     unsigned ignoreNextDoubleClick:1;
 246 } W_Screen;
 247
 248
 249
 250 typedef struct W_ViewDelegate {
 251     void *data;
 252
 253     void (*didMove)(struct W_ViewDelegate*, WMView*);
 254
 255     void (*didResize)(struct W_ViewDelegate*, WMView*);
 256
 257     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 258
 259     void (*willResize)(struct W_ViewDelegate*, WMView*,
 260                        unsigned int*, unsigned int*);
 261 } W_ViewDelegate;
 262
 263
 264
 265 typedef struct W_View {
 266     struct W_Screen *screen;
 267
 268     WMWidget *self;                    /* must point to the widget the
 269                                         * view belongs to */
 270
 271     W_ViewDelegate *delegate;
 272
 273     Window window;
 274
 275     WMSize size;
 276
 277     WMPoint pos;
 278
 279     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 280     struct W_View *prevFocusChain;
 281
 282     struct W_View *parent;             /* parent WMView */
 283
 284     struct W_View *childrenList;       /* first in list of child windows */
 285
 286     struct W_View *nextSister;         /* next on parent's children list */
 287
 288     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 289
 290     unsigned long attribFlags;
 291     XSetWindowAttributes attribs;
 292
 293     void *hangedData;                  /* data holder for user program */
 294
 295     WMColor *backColor;
 296
 297 #if 0
 298     struct W_DragSourceProcs *dragSourceProcs;
 299     struct W_DragDestinationProcs *dragDestinationProcs;
 300     int helpContext;
 301 #endif
 302
 303     struct {
 304         unsigned int realized:1;
 305         unsigned int mapped:1;
 306         unsigned int parentDying:1;
 307         unsigned int dying:1;          /* the view is being destroyed */
 308         unsigned int topLevel:1;       /* is a top level window */
 309         unsigned int root:1;           /* is the root window */
 310         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 311         unsigned int alreadyDead:1;    /* view was freed */
 312
 313         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 314         unsigned int notifySizeChanged:1;
 315         unsigned int dontCompressExpose:1;   /* will compress all expose
 316                                               events into one */
 317         /* toplevel only */
 318         unsigned int worksWhenModal:1;
 319         unsigned int pendingRelease1:1;
 320         unsigned int pendingRelease2:1;
 321         unsigned int pendingRelease3:1;
 322         unsigned int pendingRelease4:1;
 323         unsigned int pendingRelease5:1;
 324     } flags;
 325
 326     int refCount;
 327 } W_View;
 328
 329
 330 typedef struct W_EventHandler {
 331     unsigned long eventMask;
 332
 333     WMEventProc *proc;
 334
 335     void *clientData;
 336
 337     struct W_EventHandler *nextHandler;
 338 } W_EventHandler;
 339
 340
 341
 342
 343 typedef struct _WINGsConfiguration {
 344     char *systemFont;
 345     char *boldSystemFont;
 346     Bool useMultiByte;
 347     unsigned doubleClickDelay;
 348 } _WINGsConfiguration;
 349
 350 _WINGsConfiguration WINGsConfiguration;
 351
 352
 353
 354 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 355
 356
 357 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 358 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 359
 360 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 361 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 362
 363 #define W_PIXEL(c)              (c)->color.pixel
 364
 365 #define W_FONTID(f)             (f)->font->fid
 366
 367 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 368
 369
 370
 371 W_View *W_GetViewForXWindow(Display *display, Window window);
 372
 373 W_View *W_CreateView(W_View *parent);
 374
 375 W_View *W_CreateTopView(W_Screen *screen);
 376
 377
 378 W_View *W_CreateRootView(W_Screen *screen);
 379
 380 void W_DestroyView(W_View *view);
 381
 382 void W_RealizeView(W_View *view);
 383
 384 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 385
 386 void W_MapView(W_View *view);
 387
 388 void W_MapSubviews(W_View *view);
 389
 390 void W_UnmapSubviews(W_View *view);
 391
 392 W_View *W_TopLevelOfView(W_View *view);
 393
 394 void W_UnmapView(W_View *view);
 395
 396 void W_MoveView(W_View *view, int x, int y);
 397
 398 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 399
 400 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 401
 402 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 403                   unsigned int height, WMReliefType relief);
 404
 405
 406 void W_CleanUpEvents(W_View *view);
 407
 408 void W_CallDestroyHandlers(W_View *view);
 409
 410 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 411                          WMReliefType relief, char *text,
 412                          WMAlignment alignment, W_Pixmap *image,
 413                          WMImagePosition position, GC backGC, int ofs);
 414
 415 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 416                  int width, WMAlignment alignment, GC gc,
 417                  int wrap, char *text, int length);
 418
 419 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 420
 421
 422 int W_TextWidth(WMFont *font, char *text, int length);
 423
 424
 425 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 426
 427 void W_DispatchMessage(W_View *target, XEvent *event);
 428
 429 Bool W_CheckInternalMessage(W_Screen *scr, XClientMessageEvent *cev, int event);
 430
 431 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 432
 433 W_View *W_FocusedViewOfToplevel(W_View *view);
 434
 435 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 436
 437 void W_ReleaseView(WMView *view);
 438
 439 WMView *W_RetainView(WMView *view);
 440
 441 void W_InitApplication(WMScreen *scr);
 442
 443 void W_InitNotificationCenter(void);
 444
 445 W_Class W_RegisterUserWidget(void);
 446
 447 void W_RedisplayView(WMView *view);
 448
 449 Bool W_ApplicationInitialized(void);
 450
 451 char *W_GetTextSelection(WMScreen *scr, Atom selection);
 452
 453 void W_HandleSelectionEvent(XEvent *event);
 454
 455 #ifdef __cplusplus
 456 }
 457 #endif /* __cplusplus */
 458
 459 #endif /* _WINGSP_H_ */
 460
 461 void W_FlushASAPNotificationQueue();
 462
 463 void W_FlushIdleNotificationQueue();
 464
 465 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 466
 467 void W_BalloonHandleEnterView(WMView *view);
 468
 469 void W_BalloonHandleLeaveView(WMView *view);