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
 166     struct W_Balloon *balloon;
 167
 168
 169     struct W_Pixmap *checkButtonImageOn;
 170     struct W_Pixmap *checkButtonImageOff;
 171
 172     struct W_Pixmap *radioButtonImageOn;
 173     struct W_Pixmap *radioButtonImageOff;
 174
 175     struct W_Pixmap *buttonArrow;
 176     struct W_Pixmap *pushedButtonArrow;
 177
 178     struct W_Pixmap *scrollerDimple;
 179
 180     struct W_Pixmap *upArrow;
 181     struct W_Pixmap *downArrow;
 182     struct W_Pixmap *leftArrow;
 183     struct W_Pixmap *rightArrow;
 184
 185     struct W_Pixmap *hiUpArrow;
 186     struct W_Pixmap *hiDownArrow;
 187     struct W_Pixmap *hiLeftArrow;
 188     struct W_Pixmap *hiRightArrow;
 189
 190     struct W_Pixmap *pullDownIndicator;
 191     struct W_Pixmap *popUpIndicator;
 192
 193     struct W_Pixmap *checkMark;
 194
 195     struct W_Pixmap *homeIcon;
 196     struct W_Pixmap *altHomeIcon;
 197
 198     struct W_Pixmap *magnifyIcon;
 199 /*    struct W_Pixmap *altMagnifyIcon;*/
 200     struct W_Pixmap *wheelIcon;
 201     struct W_Pixmap *grayIcon;
 202     struct W_Pixmap *rgbIcon;
 203     struct W_Pixmap *cmykIcon;
 204     struct W_Pixmap *hsbIcon;
 205     struct W_Pixmap *customPaletteIcon;
 206     struct W_Pixmap *colorListIcon;
 207
 208     struct W_Pixmap *defaultObjectIcon;
 209
 210     Cursor defaultCursor;
 211
 212     Cursor textCursor;
 213
 214     Cursor invisibleCursor;
 215
 216     Atom internalMessage;              /* for ClientMessage */
 217
 218     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 219
 220     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 221
 222     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 223
 224     Atom clipboardAtom;                /* CLIPBOARD */
 225
 226
 227     /* stuff for detecting double-clicks */
 228     Time lastClickTime;                /* time of last mousedown event */
 229     Window lastClickWindow;            /* window of the last mousedown */
 230
 231     struct W_View *modalView;
 232     unsigned modal:1;
 233     unsigned ignoreNextDoubleClick:1;
 234 } W_Screen;
 235
 236
 237
 238 typedef struct W_ViewDelegate {
 239     void *data;
 240
 241     void (*didMove)(struct W_ViewDelegate*, WMView*);
 242
 243     void (*didResize)(struct W_ViewDelegate*, WMView*);
 244
 245     void (*willMove)(struct W_ViewDelegate*, WMView*, int*, int*);
 246
 247     void (*willResize)(struct W_ViewDelegate*, WMView*,
 248                        unsigned int*, unsigned int*);
 249 } W_ViewDelegate;
 250
 251
 252
 253 typedef struct W_View {
 254     struct W_Screen *screen;
 255
 256     WMWidget *self;                    /* must point to the widget the
 257                                         * view belongs to */
 258
 259     W_ViewDelegate *delegate;
 260
 261     Window window;
 262
 263     WMSize size;
 264
 265     WMPoint pos;
 266
 267     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 268     struct W_View *prevFocusChain;
 269
 270     struct W_View *parent;             /* parent WMView */
 271
 272     struct W_View *childrenList;       /* first in list of child windows */
 273
 274     struct W_View *nextSister;         /* next on parent's children list */
 275
 276     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 277
 278     unsigned long attribFlags;
 279     XSetWindowAttributes attribs;
 280
 281     void *hangedData;                  /* data holder for user program */
 282
 283     WMColor *backColor;
 284
 285 #if 0
 286     struct W_DragSourceProcs *dragSourceProcs;
 287     struct W_DragDestinationProcs *dragDestinationProcs;
 288     int helpContext;
 289 #endif
 290
 291     struct {
 292         unsigned int realized:1;
 293         unsigned int mapped:1;
 294         unsigned int parentDying:1;
 295         unsigned int dying:1;          /* the view is being destroyed */
 296         unsigned int topLevel:1;       /* is a top level window */
 297         unsigned int root:1;           /* is the root window */
 298         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 299         unsigned int alreadyDead:1;    /* view was freed */
 300
 301         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 302         unsigned int notifySizeChanged:1;
 303         unsigned int dontCompressExpose:1;   /* will compress all expose
 304                                               events into one */
 305         /* toplevel only */
 306         unsigned int worksWhenModal:1;
 307         unsigned int pendingRelease1:1;
 308         unsigned int pendingRelease2:1;
 309         unsigned int pendingRelease3:1;
 310         unsigned int pendingRelease4:1;
 311         unsigned int pendingRelease5:1;
 312     } flags;
 313
 314     int refCount;
 315 } W_View;
 316
 317
 318 typedef struct W_EventHandler {
 319     unsigned long eventMask;
 320
 321     WMEventProc *proc;
 322
 323     void *clientData;
 324
 325     struct W_EventHandler *nextHandler;
 326 } W_EventHandler;
 327
 328
 329
 330
 331 typedef struct _WINGsConfiguration {
 332     char *systemFont;
 333     char *boldSystemFont;
 334     unsigned doubleClickDelay;
 335 } _WINGsConfiguration;
 336
 337 _WINGsConfiguration WINGsConfiguration;
 338
 339
 340
 341 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 342
 343
 344 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 345 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 346
 347 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 348 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 349
 350 #define W_PIXEL(c)              (c)->color.pixel
 351
 352 #define W_FONTID(f)             (f)->font->fid
 353
 354 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 355
 356
 357
 358 W_View *W_GetViewForXWindow(Display *display, Window window);
 359
 360 W_View *W_CreateView(W_View *parent);
 361
 362 W_View *W_CreateTopView(W_Screen *screen);
 363
 364
 365 W_View *W_CreateRootView(W_Screen *screen);
 366
 367 void W_DestroyView(W_View *view);
 368
 369 void W_RealizeView(W_View *view);
 370
 371 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 372
 373 void W_MapView(W_View *view);
 374
 375 void W_MapSubviews(W_View *view);
 376
 377 void W_UnmapSubviews(W_View *view);
 378
 379 W_View *W_TopLevelOfView(W_View *view);
 380
 381 void W_UnmapView(W_View *view);
 382
 383 void W_MoveView(W_View *view, int x, int y);
 384
 385 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 386
 387 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 388
 389 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 390                   unsigned int height, WMReliefType relief);
 391
 392
 393 void W_CleanUpEvents(W_View *view);
 394
 395 void W_CallDestroyHandlers(W_View *view);
 396
 397 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 398                          WMReliefType relief, char *text,
 399                          WMAlignment alignment, W_Pixmap *image,
 400                          WMImagePosition position, GC backGC, int ofs);
 401
 402 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 403                  int width, WMAlignment alignment, GC gc,
 404                  int wrap, char *text, int length);
 405
 406 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 407
 408
 409 int W_TextWidth(WMFont *font, char *text, int length);
 410
 411
 412 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 413
 414 void W_DispatchMessage(W_View *target, XEvent *event);
 415
 416 Bool W_CheckInternalMessage(W_Screen *scr, XClientMessageEvent *cev, int event);
 417
 418 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 419
 420 W_View *W_FocusedViewOfToplevel(W_View *view);
 421
 422 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 423
 424 void W_ReleaseView(WMView *view);
 425
 426 WMView *W_RetainView(WMView *view);
 427
 428 void W_InitApplication(WMScreen *scr);
 429
 430 void W_InitNotificationCenter(void);
 431
 432 W_Class W_RegisterUserWidget(void);
 433
 434 void W_RedisplayView(WMView *view);
 435
 436 Bool W_ApplicationInitialized(void);
 437
 438 char *W_GetTextSelection(WMScreen *scr, Atom selection);
 439
 440 void W_HandleSelectionEvent(XEvent *event);
 441
 442 #ifdef __cplusplus
 443 }
 444 #endif /* __cplusplus */
 445
 446 #endif /* _WINGSP_H_ */
 447
 448 void W_FlushASAPNotificationQueue();
 449
 450 void W_FlushIdleNotificationQueue();
 451
 452 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 453
 454 void W_BalloonHandleEnterView(WMView *view);
 455
 456 void W_BalloonHandleLeaveView(WMView *view);