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 #include "WUtil.h"
  11
  12 #if WINGS_H_VERSION < 990222
  13 #error There_is_an_old_WINGs.h_file_somewhere_in_your_system._Please_remove_it.
  14 #endif
  15
  16 #include <assert.h>
  17
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <stdio.h>
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif /* __cplusplus */
  25
  26 #define DOUBLE_BUFFER
  27
  28
  29
  30 #define WC_UserWidget   128
  31
  32
  33
  34 #define SCROLLER_WIDTH   20
  35
  36 /* internal messages */
  37 #define WM_UPDATE_COLORWELL     130
  38
  39
  40 #define WM_USER_MESSAGE 1024
  41
  42
  43 #define SETUP_INTERNAL_MESSAGE(event, scrPtr) \
  44                 event.xclient.type=ClientMessage;\
  45                 event.xclient.display=scrPtr->display;\
  46                 event.xclient.send_event=False;\
  47                 event.xclient.serial=0;\
  48                 event.xclient.format=32;\
  49                 event.xclient.message_type=scrPtr->internalMessage;
  50
  51
  52 typedef struct W_Font {
  53     struct W_Screen *screen;
  54
  55     union {
  56         XFontSet set;
  57         XFontStruct *normal;
  58     } font;
  59     short height;
  60     short y;
  61     short refCount;
  62     char *name;
  63     unsigned int notFontSet:1;
  64 } W_Font;
  65
  66
  67 typedef struct W_Pixmap {
  68     struct W_Screen *screen;
  69     Pixmap pixmap;
  70     Pixmap mask;
  71     unsigned short width;
  72     unsigned short height;
  73     short depth;
  74     short refCount;
  75 } W_Pixmap;
  76
  77
  78 typedef struct W_Color {
  79     struct W_Screen *screen;
  80
  81     XColor color;
  82     short refCount;
  83     GC gc;
  84     struct {
  85         unsigned int exact:1;
  86     } flags;
  87 } W_Color;
  88
  89
  90 typedef struct W_FocusInfo {
  91     struct W_View *toplevel;
  92     struct W_View *focused;            /* view that has the focus in this toplevel */
  93     struct W_FocusInfo *next;
  94 } W_FocusInfo;
  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     /* colors */
 139     W_Color *white;
 140     W_Color *black;
 141     W_Color *gray;
 142     W_Color *darkGray;
 143
 144     GC stippleGC;
 145
 146     GC copyGC;
 147     GC clipGC;
 148
 149     GC monoGC;                         /* GC for 1bpp visuals */
 150
 151     GC xorGC;
 152
 153     GC ixorGC;                         /* IncludeInferiors XOR */
 154
 155     GC textFieldGC;
 156
 157     W_Font *normalFont;
 158
 159     W_Font *boldFont;
 160
 161     WMHashTable *fontCache;
 162
 163     struct W_Pixmap *checkButtonImageOn;
 164     struct W_Pixmap *checkButtonImageOff;
 165
 166     struct W_Pixmap *radioButtonImageOn;
 167     struct W_Pixmap *radioButtonImageOff;
 168
 169     struct W_Pixmap *buttonArrow;
 170     struct W_Pixmap *pushedButtonArrow;
 171
 172     struct W_Pixmap *scrollerDimple;
 173
 174     struct W_Pixmap *upArrow;
 175     struct W_Pixmap *downArrow;
 176     struct W_Pixmap *leftArrow;
 177     struct W_Pixmap *rightArrow;
 178
 179     struct W_Pixmap *hiUpArrow;
 180     struct W_Pixmap *hiDownArrow;
 181     struct W_Pixmap *hiLeftArrow;
 182     struct W_Pixmap *hiRightArrow;
 183
 184     struct W_Pixmap *pullDownIndicator;
 185     struct W_Pixmap *popUpIndicator;
 186
 187     struct W_Pixmap *checkMark;
 188
 189     struct W_Pixmap *homeIcon;
 190     struct W_Pixmap *altHomeIcon;
 191
 192     struct W_Pixmap *magnifyIcon;
 193     struct W_Pixmap *altMagnifyIcon;
 194     struct W_Pixmap *wheelIcon;
 195     struct W_Pixmap *grayIcon;
 196     struct W_Pixmap *rgbIcon;
 197     struct W_Pixmap *cmykIcon;
 198     struct W_Pixmap *hsbIcon;
 199     struct W_Pixmap *customPaletteIcon;
 200     struct W_Pixmap *colorListIcon;
 201
 202     struct W_Pixmap *defaultObjectIcon;
 203
 204     Cursor defaultCursor;
 205
 206     Cursor textCursor;
 207
 208     Atom internalMessage;              /* for ClientMessage */
 209
 210     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 211
 212     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 213
 214     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 215
 216     Atom clipboardAtom;                /* CLIPBOARD */
 217
 218
 219     /* stuff for detecting double-clicks */
 220     Time lastClickTime;                /* time of last mousedown event */
 221     Window lastClickWindow;            /* window of the last mousedown */
 222
 223     struct W_View *modalView;
 224     unsigned modal:1;
 225     unsigned ignoreNextDoubleClick:1;
 226 } W_Screen;
 227
 228
 229
 230 typedef struct W_View {
 231     struct W_Screen *screen;
 232
 233     WMWidget *self;                    /* must point to the widget the
 234                                         * view belongs to */
 235
 236     Window window;
 237
 238     WMSize size;
 239
 240     WMPoint pos;
 241
 242     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 243     struct W_View *prevFocusChain;
 244
 245     struct W_View *parent;             /* parent WMView */
 246
 247     struct W_View *childrenList;       /* first in list of child windows */
 248
 249     struct W_View *nextSister;         /* next on parent's children list */
 250
 251     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 252
 253     unsigned long attribFlags;
 254     XSetWindowAttributes attribs;
 255
 256     void *hangedData;                  /* data holder for user program */
 257 #if 0
 258     struct W_DragSourceProcs *dragSourceProcs;
 259     struct W_DragDestinationProcs *dragDestinationProcs;
 260     int helpContext;
 261 #endif
 262
 263     struct {
 264         unsigned int realized:1;
 265         unsigned int mapped:1;
 266         unsigned int parentDying:1;
 267         unsigned int dying:1;          /* the view is being destroyed */
 268         unsigned int topLevel:1;       /* is a top level window */
 269         unsigned int root:1;           /* is the root window */
 270         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 271         unsigned int alreadyDead:1;    /* view was freed */
 272
 273         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 274         unsigned int notifySizeChanged:1;
 275         unsigned int dontCompressExpose:1;   /* will compress all expose
 276                                               events into one */
 277         /* toplevel only */
 278         unsigned int worksWhenModal:1;
 279         unsigned int pendingRelease1:1;
 280         unsigned int pendingRelease2:1;
 281         unsigned int pendingRelease3:1;
 282         unsigned int pendingRelease4:1;
 283         unsigned int pendingRelease5:1;
 284     } flags;
 285
 286     int refCount;
 287 } W_View;
 288
 289
 290 typedef struct W_EventHandler {
 291     unsigned long eventMask;
 292
 293     WMEventProc *proc;
 294
 295     void *clientData;
 296
 297     struct W_EventHandler *nextHandler;
 298 } W_EventHandler;
 299
 300
 301
 302 typedef struct W_ViewProcedureTable {
 303     void (*setBackgroundColor)(WMWidget*, WMColor *color);
 304     void (*resize)(WMWidget*, unsigned int, unsigned int);
 305     void (*move)(WMWidget*, int, int);
 306 } W_ViewProcedureTable;
 307
 308
 309
 310 typedef struct _WINGsConfiguration {
 311     char *systemFont;
 312     char *boldSystemFont;
 313     unsigned doubleClickDelay;
 314 } _WINGsConfiguration;
 315
 316 _WINGsConfiguration WINGsConfiguration;
 317
 318
 319
 320 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 321
 322
 323 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 324 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 325
 326 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 327 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 328
 329 #define W_PIXEL(c)              (c)->color.pixel
 330
 331 #define W_FONTID(f)             (f)->font->fid
 332
 333 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 334
 335
 336
 337 W_View *W_GetViewForXWindow(Display *display, Window window);
 338
 339 W_View *W_CreateView(W_View *parent);
 340
 341 W_View *W_CreateTopView(W_Screen *screen);
 342
 343
 344 W_View *W_CreateRootView(W_Screen *screen);
 345
 346 void W_DestroyView(W_View *view);
 347
 348 void W_RealizeView(W_View *view);
 349
 350 void W_ReparentView(W_View *view, W_View *newParent, int x, int y);
 351
 352 void W_MapView(W_View *view);
 353
 354 void W_MapSubviews(W_View *view);
 355
 356 void W_UnmapSubviews(W_View *view);
 357
 358 W_View *W_TopLevelOfView(W_View *view);
 359
 360 void W_UnmapView(W_View *view);
 361
 362 void W_MoveView(W_View *view, int x, int y);
 363
 364 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 365
 366 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 367
 368 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 369                   unsigned int height, WMReliefType relief);
 370
 371
 372 void W_CleanUpEvents(W_View *view);
 373
 374 void W_CallDestroyHandlers(W_View *view);
 375
 376 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 377                          WMReliefType relief, char *text,
 378                          WMAlignment alignment, W_Pixmap *image,
 379                          WMImagePosition position, GC backGC, int ofs);
 380
 381 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 382                  int width, WMAlignment alignment, GC gc,
 383                  int wrap, char *text, int length);
 384
 385 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 386
 387
 388 int W_TextWidth(WMFont *font, char *text, int length);
 389
 390
 391 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 392
 393 void W_DispatchMessage(W_View *target, XEvent *event);
 394
 395 Bool W_CheckInternalMessage(W_Screen *scr, XClientMessageEvent *cev, int event);
 396
 397 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 398
 399 W_View *W_FocusedViewOfToplevel(W_View *view);
 400
 401 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 402
 403 void W_ReleaseView(WMView *view);
 404
 405 WMView *W_RetainView(WMView *view);
 406
 407 void W_InitApplication(WMScreen *scr);
 408
 409 void W_InitNotificationCenter(void);
 410
 411 W_Class W_RegisterUserWidget(W_ViewProcedureTable *procTable);
 412
 413 void W_RedisplayView(WMView *view);
 414
 415 Bool W_ApplicationInitialized(void);
 416
 417 char *W_GetTextSelection(WMScreen *scr, Atom selection);
 418
 419 void W_HandleSelectionEvent(XEvent *event);
 420
 421 #ifdef __cplusplus
 422 }
 423 #endif /* __cplusplus */
 424
 425 #endif /* _WINGSP_H_ */
 426
 427 void W_FlushASAPNotificationQueue();
 428
 429 void W_FlushIdleNotificationQueue();
 430