WINGs/WINGsP.h

   1
   2 #include <X11/Xlib.h>
   3 #include <X11/Xutil.h>
   4
   5
   6 #include "WINGs.h"
   7 #include "WUtil.h"
   8
   9 #if WINGS_H_VERSION < 981220
  10 #error There_is_an_old_WINGs.h_file_somewhere_in_your_system._Please_remove_it.
  11 #endif
  12
  13 #include <assert.h>
  14
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <stdio.h>
  18
  19 #define DOUBLE_BUFFER
  20
  21
  22
  23 #define WC_UserWidget   128
  24
  25
  26
  27 #define SCROLLER_WIDTH   20
  28
  29 /* internal messages */
  30 #define WM_UPDATE_COLORWELL     130
  31
  32
  33 #define WM_USER_MESSAGE 1024
  34
  35
  36 #define SETUP_INTERNAL_MESSAGE(event, scrPtr) \
  37                 event.xclient.type=ClientMessage;\
  38                 event.xclient.display=scrPtr->display;\
  39                 event.xclient.send_event=False;\
  40                 event.xclient.serial=0;\
  41                 event.xclient.format=32;\
  42                 event.xclient.message_type=scrPtr->internalMessage;
  43
  44
  45 typedef struct W_Font {
  46     struct W_Screen *screen;
  47
  48     union {
  49         XFontSet set;
  50         XFontStruct *normal;
  51     } font;
  52     short height;
  53     short y;
  54     short refCount;
  55     unsigned int notFontSet:1;
  56 } W_Font;
  57
  58
  59 typedef struct W_Pixmap {
  60     struct W_Screen *screen;
  61     Pixmap pixmap;
  62     Pixmap mask;
  63     unsigned short width;
  64     unsigned short height;
  65     short depth;
  66     short refCount;
  67 } W_Pixmap;
  68
  69
  70 typedef struct W_Color {
  71     struct W_Screen *screen;
  72
  73     XColor color;
  74     short refCount;
  75     GC gc;
  76     struct {
  77         unsigned int exact:1;
  78     } flags;
  79 } W_Color;
  80
  81
  82 typedef struct W_FocusInfo {
  83     struct W_View *toplevel;
  84     struct W_View *focused;            /* view that has the focus in this toplevel */
  85     struct W_FocusInfo *next;
  86 } W_FocusInfo;
  87
  88 typedef struct W_Screen {
  89     Display *display;
  90     int screen;
  91     int depth;
  92
  93     Colormap colormap;
  94
  95     Visual *visual;
  96
  97     Time lastEventTime;
  98
  99     Window rootWin;
 100
 101     struct W_View *rootView;
 102
 103     RContext *rcontext;
 104
 105     /* application related */
 106
 107     W_FocusInfo *focusInfo;
 108
 109     struct W_Pixmap *applicationIcon;
 110
 111     struct W_Window *windowList;       /* list of windows in the app */
 112
 113     Window groupLeader;                /* the leader of the application */
 114                                        /* also used for other things */
 115
 116     struct W_SelectionHandlers *selectionHandlerList;
 117
 118     struct {
 119         unsigned int hasAppIcon:1;
 120         unsigned int simpleApplication:1;
 121     } aflags;
 122
 123     WMOpenPanel *sharedOpenPanel;
 124     WMSavePanel *sharedSavePanel;
 125
 126     struct W_FontPanel *sharedFontPanel;
 127
 128     struct W_ColorPanel *sharedColorPanel;
 129
 130     /* colors */
 131     W_Color *white;
 132     W_Color *black;
 133     W_Color *gray;
 134     W_Color *darkGray;
 135
 136     GC stippleGC;
 137
 138     GC copyGC;
 139     GC clipGC;
 140
 141     GC monoGC;                         /* GC for 1bpp visuals */
 142
 143     GC xorGC;
 144
 145     GC ixorGC;                         /* IncludeInferiors XOR */
 146
 147     GC textFieldGC;
 148
 149     W_Font *normalFont;
 150
 151     W_Font *boldFont;
 152
 153     struct W_Pixmap *checkButtonImageOn;
 154     struct W_Pixmap *checkButtonImageOff;
 155
 156     struct W_Pixmap *radioButtonImageOn;
 157     struct W_Pixmap *radioButtonImageOff;
 158
 159     struct W_Pixmap *buttonArrow;
 160     struct W_Pixmap *pushedButtonArrow;
 161
 162     struct W_Pixmap *scrollerDimple;
 163
 164     struct W_Pixmap *upArrow;
 165     struct W_Pixmap *downArrow;
 166     struct W_Pixmap *leftArrow;
 167     struct W_Pixmap *rightArrow;
 168
 169     struct W_Pixmap *hiUpArrow;
 170     struct W_Pixmap *hiDownArrow;
 171     struct W_Pixmap *hiLeftArrow;
 172     struct W_Pixmap *hiRightArrow;
 173
 174     struct W_Pixmap *pullDownIndicator;
 175     struct W_Pixmap *popUpIndicator;
 176
 177     struct W_Pixmap *checkMark;
 178
 179     struct W_Pixmap *homeIcon;
 180         struct W_Pixmap *homeAltIcon;
 181
 182         struct W_Pixmap *magnifyIcon;
 183         struct W_Pixmap *wheelIcon;
 184         struct W_Pixmap *grayIcon;
 185         struct W_Pixmap *rgbIcon;
 186         struct W_Pixmap *cmykIcon;
 187         struct W_Pixmap *hsbIcon;
 188         struct W_Pixmap *customPaletteIcon;
 189         struct W_Pixmap *colorListIcon;
 190
 191         struct W_Pixmap *magnifyAltIcon;
 192         struct W_Pixmap *wheelAltIcon;
 193         struct W_Pixmap *grayAltIcon;
 194         struct W_Pixmap *rgbAltIcon;
 195         struct W_Pixmap *cmykAltIcon;
 196         struct W_Pixmap *hsbAltIcon;
 197         struct W_Pixmap *customPaletteAltIcon;
 198         struct W_Pixmap *colorListAltIcon;
 199
 200     struct W_Pixmap *defaultObjectIcon;
 201
 202     Cursor defaultCursor;
 203
 204     Cursor textCursor;
 205
 206     Atom internalMessage;              /* for ClientMessage */
 207
 208     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 209
 210     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 211
 212     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 213
 214     Atom clipboardAtom;                /* CLIPBOARD */
 215
 216
 217     /* stuff for detecting double-clicks */
 218     Time lastClickTime;                /* time of last mousedown event */
 219     Window lastClickWindow;            /* window of the last mousedown */
 220
 221     struct W_View *modalView;
 222     unsigned modal:1;
 223     unsigned ignoreNextDoubleClick:1;
 224 } W_Screen;
 225
 226
 227
 228 typedef struct W_View {
 229     struct W_Screen *screen;
 230
 231     WMWidget *self;                    /* must point to the widget the
 232                                         * view belongs to */
 233
 234     Window window;
 235
 236     WMSize size;
 237
 238     WMPoint pos;
 239
 240     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 241     struct W_View *prevFocusChain;
 242
 243     struct W_View *parent;             /* parent WMView */
 244
 245     struct W_View *childrenList;       /* first in list of child windows */
 246
 247     struct W_View *nextSister;         /* next on parent's children list */
 248
 249     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 250
 251     unsigned long attribFlags;
 252     XSetWindowAttributes attribs;
 253
 254     void *hangedData;                  /* data holder for user program */
 255 #if 0
 256     struct W_DragSourceProcs *dragSourceProcs;
 257     struct W_DragDestinationProcs *dragDestinationProcs;
 258     int helpContext;
 259 #endif
 260
 261     struct {
 262         unsigned int realized:1;
 263         unsigned int mapped:1;
 264         unsigned int parentDying:1;
 265         unsigned int dying:1;          /* the view is being destroyed */
 266         unsigned int topLevel:1;       /* is a top level window */
 267         unsigned int root:1;           /* is the root window */
 268         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 269         unsigned int alreadyDead:1;    /* view was freed */
 270
 271         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 272         unsigned int notifySizeChanged:1;
 273         unsigned int dontCompressExpose:1;   /* will compress all expose
 274                                               events into one */
 275         /* toplevel only */
 276         unsigned int worksWhenModal:1;
 277         unsigned int pendingRelease1:1;
 278         unsigned int pendingRelease2:1;
 279         unsigned int pendingRelease3:1;
 280         unsigned int pendingRelease4:1;
 281         unsigned int pendingRelease5:1;
 282     } flags;
 283
 284     int refCount;
 285 } W_View;
 286
 287
 288 typedef struct W_EventHandler {
 289     unsigned long eventMask;
 290
 291     WMEventProc *proc;
 292
 293     void *clientData;
 294
 295     struct W_EventHandler *nextHandler;
 296 } W_EventHandler;
 297
 298
 299
 300 typedef struct W_ViewProcedureTable {
 301     void (*setBackgroundColor)(WMWidget*, WMColor *color);
 302     void (*resize)(WMWidget*, unsigned int, unsigned int);
 303     void (*move)(WMWidget*, int, int);
 304 } W_ViewProcedureTable;
 305
 306
 307
 308 typedef struct _WINGsConfiguration {
 309     char *systemFont;
 310     char *boldSystemFont;
 311     unsigned doubleClickDelay;
 312 } _WINGsConfiguration;
 313
 314 _WINGsConfiguration WINGsConfiguration;
 315
 316
 317
 318 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 319
 320
 321 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 322 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 323
 324 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 325 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 326
 327 #define W_PIXEL(c)              (c)->color.pixel
 328 #define W_GC(c)                 (c)->gc
 329
 330 #define W_FONTID(f)             (f)->font->fid
 331
 332 #define W_DRAWABLE(scr)         (scr)->rcontext->drawable
 333
 334
 335
 336 W_View *W_GetViewForXWindow(Display *display, Window window);
 337
 338 W_View *W_CreateView(W_View *parent);
 339
 340 W_View *W_CreateTopView(W_Screen *screen);
 341
 342
 343 W_View *W_CreateRootView(W_Screen *screen);
 344
 345 void W_DestroyView(W_View *view);
 346
 347 void W_RealizeView(W_View *view);
 348
 349 void W_ReparentView(W_View *view, W_View *newParent);
 350
 351 void W_MapView(W_View *view);
 352
 353 void W_MapSubviews(W_View *view);
 354
 355 void W_UnmapSubviews(W_View *view);
 356
 357 W_View *W_TopLevelOfView(W_View *view);
 358
 359 void W_UnmapView(W_View *view);
 360
 361 void W_MoveView(W_View *view, int x, int y);
 362
 363 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 364
 365 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 366
 367 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 368                   unsigned int height, WMReliefType relief);
 369
 370
 371 void W_CleanUpEvents(W_View *view);
 372
 373 void W_CallDestroyHandlers(W_View *view);
 374
 375 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 376                          WMReliefType relief, char *text,
 377                          WMAlignment alignment, W_Pixmap *image,
 378                          WMImagePosition position, GC backGC, int ofs);
 379
 380 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 381                  int width, WMAlignment alignment, GC gc,
 382                  int wrap, char *text, int length);
 383
 384 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 385
 386
 387 int W_TextWidth(WMFont *font, char *text, int length);
 388
 389
 390 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 391
 392 void W_DispatchMessage(W_View *target, XEvent *event);
 393
 394 Bool W_CheckInternalMessage(W_Screen *scr, XClientMessageEvent *cev, int event);
 395
 396 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 397
 398 W_View *W_FocusedViewOfToplevel(W_View *view);
 399
 400 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 401
 402 void W_ReleaseView(WMView *view);
 403
 404 WMView *W_RetainView(WMView *view);
 405
 406 void W_InitApplication(WMScreen *scr);
 407
 408 void W_InitNotificationCenter(void);
 409
 410 W_Class W_RegisterUserWidget(W_ViewProcedureTable *procTable);
 411
 412 void W_RedisplayView(WMView *view);
 413
 414 Bool W_ApplicationInitialized(void);
 415
 416 char *W_GetTextSelection(WMScreen *scr, Atom selection);
 417
 418 void W_HandleSelectionEvent(XEvent *event);