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 < 990222
  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 typedef struct W_Screen {
  96     Display *display;
  97     int screen;
  98     int depth;
  99
 100     Colormap colormap;
 101
 102     Visual *visual;
 103
 104     Time lastEventTime;
 105
 106     Window rootWin;
 107
 108     struct W_View *rootView;
 109
 110     RContext *rcontext;
 111
 112     /* application related */
 113
 114     W_FocusInfo *focusInfo;
 115
 116     struct W_Pixmap *applicationIcon;
 117
 118     struct W_Window *windowList;       /* list of windows in the app */
 119
 120     Window groupLeader;                /* the leader of the application */
 121                                        /* also used for other things */
 122
 123     struct W_SelectionHandlers *selectionHandlerList;
 124
 125     struct {
 126         unsigned int hasAppIcon:1;
 127         unsigned int simpleApplication:1;
 128     } aflags;
 129
 130     WMOpenPanel *sharedOpenPanel;
 131     WMSavePanel *sharedSavePanel;
 132
 133     struct W_FontPanel *sharedFontPanel;
 134
 135     struct W_ColorPanel *sharedColorPanel;
 136
 137     Pixmap stipple;
 138
 139     /* colors */
 140     W_Color *white;
 141     W_Color *black;
 142     W_Color *gray;
 143     W_Color *darkGray;
 144
 145     GC stippleGC;
 146
 147     GC copyGC;
 148     GC clipGC;
 149
 150     GC monoGC;                         /* GC for 1bpp visuals */
 151
 152     GC xorGC;
 153
 154     GC ixorGC;                         /* IncludeInferiors XOR */
 155
 156     GC textFieldGC;
 157
 158     W_Font *normalFont;
 159
 160     W_Font *boldFont;
 161
 162     WMHashTable *fontCache;
 163
 164
 165     struct W_Balloon *balloon;
 166
 167
 168     struct W_Pixmap *checkButtonImageOn;
 169     struct W_Pixmap *checkButtonImageOff;
 170
 171     struct W_Pixmap *radioButtonImageOn;
 172     struct W_Pixmap *radioButtonImageOff;
 173
 174     struct W_Pixmap *buttonArrow;
 175     struct W_Pixmap *pushedButtonArrow;
 176
 177     struct W_Pixmap *scrollerDimple;
 178
 179     struct W_Pixmap *upArrow;
 180     struct W_Pixmap *downArrow;
 181     struct W_Pixmap *leftArrow;
 182     struct W_Pixmap *rightArrow;
 183
 184     struct W_Pixmap *hiUpArrow;
 185     struct W_Pixmap *hiDownArrow;
 186     struct W_Pixmap *hiLeftArrow;
 187     struct W_Pixmap *hiRightArrow;
 188
 189     struct W_Pixmap *pullDownIndicator;
 190     struct W_Pixmap *popUpIndicator;
 191
 192     struct W_Pixmap *checkMark;
 193
 194     struct W_Pixmap *homeIcon;
 195     struct W_Pixmap *altHomeIcon;
 196
 197     struct W_Pixmap *magnifyIcon;
 198 /*    struct W_Pixmap *altMagnifyIcon;*/
 199     struct W_Pixmap *wheelIcon;
 200     struct W_Pixmap *grayIcon;
 201     struct W_Pixmap *rgbIcon;
 202     struct W_Pixmap *cmykIcon;
 203     struct W_Pixmap *hsbIcon;
 204     struct W_Pixmap *customPaletteIcon;
 205     struct W_Pixmap *colorListIcon;
 206
 207     struct W_Pixmap *defaultObjectIcon;
 208
 209     Cursor defaultCursor;
 210
 211     Cursor textCursor;
 212
 213     Cursor invisibleCursor;
 214
 215     Atom internalMessage;              /* for ClientMessage */
 216
 217     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 218
 219     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 220
 221     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 222
 223     Atom clipboardAtom;                /* CLIPBOARD */
 224
 225
 226     /* stuff for detecting double-clicks */
 227     Time lastClickTime;                /* time of last mousedown event */
 228     Window lastClickWindow;            /* window of the last mousedown */
 229
 230     struct W_View *modalView;
 231     unsigned modal:1;
 232     unsigned ignoreNextDoubleClick:1;
 233 } W_Screen;
 234
 235
 236
 237 typedef struct W_View {
 238     struct W_Screen *screen;
 239
 240     WMWidget *self;                    /* must point to the widget the
 241                                         * view belongs to */
 242
 243     Window window;
 244
 245     WMSize size;
 246
 247     WMPoint pos;
 248
 249     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 250     struct W_View *prevFocusChain;
 251
 252     struct W_View *parent;             /* parent WMView */
 253
 254     struct W_View *childrenList;       /* first in list of child windows */
 255
 256     struct W_View *nextSister;         /* next on parent's children list */
 257
 258     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 259
 260     unsigned long attribFlags;
 261     XSetWindowAttributes attribs;
 262
 263     void *hangedData;                  /* data holder for user program */
 264
 265     WMColor *backColor;
 266
 267 #if 0
 268     struct W_DragSourceProcs *dragSourceProcs;
 269     struct W_DragDestinationProcs *dragDestinationProcs;
 270     int helpContext;
 271 #endif
 272
 273     struct {
 274         unsigned int realized:1;
 275         unsigned int mapped:1;
 276         unsigned int parentDying:1;
 277         unsigned int dying:1;          /* the view is being destroyed */
 278         unsigned int topLevel:1;       /* is a top level window */
 279         unsigned int root:1;           /* is the root window */
 280         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 281         unsigned int alreadyDead:1;    /* view was freed */
 282
 283         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 284         unsigned int notifySizeChanged:1;
 285         unsigned int dontCompressExpose:1;   /* will compress all expose
 286                                               events into one */
 287         /* toplevel only */
 288         unsigned int worksWhenModal:1;
 289         unsigned int pendingRelease1:1;
 290         unsigned int pendingRelease2:1;
 291         unsigned int pendingRelease3:1;
 292         unsigned int pendingRelease4:1;
 293         unsigned int pendingRelease5:1;
 294     } flags;
 295
 296     int refCount;
 297 } W_View;
 298
 299
 300 typedef struct W_EventHandler {
 301     unsigned long eventMask;
 302
 303     WMEventProc *proc;
 304
 305     void *clientData;
 306
 307     struct W_EventHandler *nextHandler;
 308 } W_EventHandler;
 309
 310
 311
 312 typedef struct W_ViewProcedureTable {
 313     void (*setBackgroundColor)(WMWidget*, WMColor *color);
 314     void (*resize)(WMWidget*, unsigned int, unsigned int);
 315     void (*move)(WMWidget*, int, int);
 316 } W_ViewProcedureTable;
 317
 318
 319
 320 typedef struct _WINGsConfiguration {
 321     char *systemFont;
 322     char *boldSystemFont;
 323     unsigned doubleClickDelay;
 324 } _WINGsConfiguration;
 325
 326 _WINGsConfiguration WINGsConfiguration;
 327
 328
 329
 330 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 331
 332
 333 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 334 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 335
 336 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 337 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 338
 339 #define W_PIXEL(c)              (c)->color.pixel
 340
 341 #define W_FONTID(f)             (f)->font->fid
 342
 343 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 344
 345
 346
 347 W_View *W_GetViewForXWindow(Display *display, Window window);
 348
 349 W_View *W_CreateView(W_View *parent);
 350
 351 W_View *W_CreateTopView(W_Screen *screen);
 352
 353
 354 W_View *W_CreateRootView(W_Screen *screen);
 355
 356 void W_DestroyView(W_View *view);
 357
 358 void W_RealizeView(W_View *view);
 359
 360 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 361
 362 void W_MapView(W_View *view);
 363
 364 void W_MapSubviews(W_View *view);
 365
 366 void W_UnmapSubviews(W_View *view);
 367
 368 W_View *W_TopLevelOfView(W_View *view);
 369
 370 void W_UnmapView(W_View *view);
 371
 372 void W_MoveView(W_View *view, int x, int y);
 373
 374 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 375
 376 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 377
 378 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 379                   unsigned int height, WMReliefType relief);
 380
 381
 382 void W_CleanUpEvents(W_View *view);
 383
 384 void W_CallDestroyHandlers(W_View *view);
 385
 386 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 387                          WMReliefType relief, char *text,
 388                          WMAlignment alignment, W_Pixmap *image,
 389                          WMImagePosition position, GC backGC, int ofs);
 390
 391 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 392                  int width, WMAlignment alignment, GC gc,
 393                  int wrap, char *text, int length);
 394
 395 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 396
 397
 398 int W_TextWidth(WMFont *font, char *text, int length);
 399
 400
 401 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 402
 403 void W_DispatchMessage(W_View *target, XEvent *event);
 404
 405 Bool W_CheckInternalMessage(W_Screen *scr, XClientMessageEvent *cev, int event);
 406
 407 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 408
 409 W_View *W_FocusedViewOfToplevel(W_View *view);
 410
 411 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 412
 413 void W_ReleaseView(WMView *view);
 414
 415 WMView *W_RetainView(WMView *view);
 416
 417 void W_InitApplication(WMScreen *scr);
 418
 419 void W_InitNotificationCenter(void);
 420
 421 W_Class W_RegisterUserWidget(W_ViewProcedureTable *procTable);
 422
 423 void W_RedisplayView(WMView *view);
 424
 425 Bool W_ApplicationInitialized(void);
 426
 427 char *W_GetTextSelection(WMScreen *scr, Atom selection);
 428
 429 void W_HandleSelectionEvent(XEvent *event);
 430
 431 #ifdef __cplusplus
 432 }
 433 #endif /* __cplusplus */
 434
 435 #endif /* _WINGSP_H_ */
 436
 437 void W_FlushASAPNotificationQueue();
 438
 439 void W_FlushIdleNotificationQueue();
 440
 441 struct W_Balloon *W_CreateBalloon(WMScreen *scr);
 442
 443 void W_BalloonHandleEnterView(WMView *view);
 444
 445 void W_BalloonHandleLeaveView(WMView *view);