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 < 980930
  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 *homeIcon;
 178
 179     struct W_Pixmap *defaultObjectIcon;
 180
 181     Cursor defaultCursor;
 182
 183     Cursor textCursor;
 184
 185     Atom internalMessage;              /* for ClientMessage */
 186
 187     Atom attribsAtom;                  /* GNUstepWindowAttributes */
 188
 189     Atom deleteWindowAtom;             /* WM_DELETE_WINDOW */
 190
 191     Atom protocolsAtom;                /* _XA_WM_PROTOCOLS */
 192
 193     Atom clipboardAtom;                /* CLIPBOARD */
 194
 195
 196     /* stuff for detecting double-clicks */
 197     Time lastClickTime;                /* time of last mousedown event */
 198     Window lastClickWindow;            /* window of the last mousedown */
 199
 200     struct W_View *modalView;
 201     unsigned modal:1;
 202     unsigned ignoreNextDoubleClick:1;
 203 } W_Screen;
 204
 205
 206
 207 typedef struct W_View {
 208     struct W_Screen *screen;
 209
 210     WMWidget *self;                    /* must point to the widget the
 211                                         * view belongs to */
 212
 213     Window window;
 214
 215     WMSize size;
 216
 217     WMPoint pos;
 218
 219     struct W_View *nextFocusChain;     /* next/prev in focus chain */
 220     struct W_View *prevFocusChain;
 221
 222     struct W_View *parent;             /* parent WMView */
 223
 224     struct W_View *childrenList;       /* first in list of child windows */
 225
 226     struct W_View *nextSister;         /* next on parent's children list */
 227
 228     struct W_EventHandler *handlerList;/* list of event handlers for this window */
 229
 230     unsigned long attribFlags;
 231     XSetWindowAttributes attribs;
 232
 233     void *hangedData;                  /* data holder for user program */
 234 #if 0
 235     struct W_DragSourceProcs *dragSourceProcs;
 236     struct W_DragDestinationProcs *dragDestinationProcs;
 237     int helpContext;
 238 #endif
 239
 240     struct {
 241         unsigned int realized:1;
 242         unsigned int mapped:1;
 243         unsigned int parentDying:1;
 244         unsigned int dying:1;          /* the view is being destroyed */
 245         unsigned int topLevel:1;       /* is a top level window */
 246         unsigned int root:1;           /* is the root window */
 247         unsigned int mapWhenRealized:1;/* map the view when it's realized */
 248         unsigned int alreadyDead:1;    /* view was freed */
 249
 250         unsigned int dontCompressMotion:1;   /* motion notify event compress */
 251         unsigned int notifySizeChanged:1;
 252         unsigned int dontCompressExpose:1;   /* will compress all expose
 253                                               events into one */
 254         /* toplevel only */
 255         unsigned int worksWhenModal:1;
 256         unsigned int pendingRelease1:1;
 257         unsigned int pendingRelease2:1;
 258         unsigned int pendingRelease3:1;
 259         unsigned int pendingRelease4:1;
 260         unsigned int pendingRelease5:1;
 261     } flags;
 262
 263     int refCount;
 264 } W_View;
 265
 266
 267 typedef struct W_EventHandler {
 268     unsigned long eventMask;
 269
 270     WMEventProc *proc;
 271
 272     void *clientData;
 273
 274     struct W_EventHandler *nextHandler;
 275 } W_EventHandler;
 276
 277
 278
 279 typedef struct W_ViewProcedureTable {
 280     void (*setBackgroundColor)(WMWidget*, WMColor *color);
 281     void (*resize)(WMWidget*, unsigned int, unsigned int);
 282     void (*move)(WMWidget*, int, int);
 283 } W_ViewProcedureTable;
 284
 285
 286
 287 typedef struct _WINGsConfiguration {
 288     char *systemFont;
 289     char *boldSystemFont;
 290     unsigned doubleClickDelay;
 291 } _WINGsConfiguration;
 292
 293 _WINGsConfiguration WINGsConfiguration;
 294
 295
 296
 297 #define CHECK_CLASS(widget, class) assert(W_CLASS(widget)==(class))
 298
 299
 300 #define W_CLASS(widget)         (((W_WidgetType*)(widget))->widgetClass)
 301 #define W_VIEW(widget)          (((W_WidgetType*)(widget))->view)
 302
 303 #define W_VIEW_REALIZED(view)   (view)->flags.realized
 304 #define W_VIEW_MAPPED(view)     (view)->flags.mapped
 305
 306 #define W_PIXEL(c)              (c)->color.pixel
 307 #define W_GC(c)                 (c)->gc
 308
 309 #define W_FONTID(f)             (f)->font->fid
 310
 311 #define W_DRAWABLE(scr)         (scr)->rootWin
 312
 313
 314 W_View *W_GetViewForXWindow(Display *display, Window window);
 315
 316 W_View *W_CreateView(W_View *parent);
 317
 318 W_View *W_CreateTopView(W_Screen *screen);
 319
 320
 321 W_View *W_CreateRootView(W_Screen *screen);
 322
 323 void W_DestroyView(W_View *view);
 324
 325 void W_RealizeView(W_View *view);
 326
 327 void W_ReparentView(W_View *view, W_View *newParent);
 328
 329 void W_MapView(W_View *view);
 330
 331 void W_MapSubviews(W_View *view);
 332
 333 void W_UnmapSubviews(W_View *view);
 334
 335 W_View *W_TopLevelOfView(W_View *view);
 336
 337 void W_UnmapView(W_View *view);
 338
 339 void W_MoveView(W_View *view, int x, int y);
 340
 341 void W_ResizeView(W_View *view, unsigned int width, unsigned int height);
 342
 343 void W_SetViewBackgroundColor(W_View *view, WMColor *color);
 344
 345 void W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
 346                   unsigned int height, WMReliefType relief);
 347
 348
 349 void W_CleanUpEvents(W_View *view);
 350
 351 void W_CallDestroyHandlers(W_View *view);
 352
 353 void W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 354                          WMReliefType relief, char *text,
 355                          WMAlignment alignment, W_Pixmap *image,
 356                          WMImagePosition position, GC backGC, int ofs);
 357
 358 void W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 359                  int width, WMAlignment alignment, GC gc,
 360                  int wrap, char *text, int length);
 361
 362 int W_GetTextHeight(WMFont *font, char *text, int width, int wrap);
 363
 364
 365 int W_TextWidth(WMFont *font, char *text, int length);
 366
 367
 368 void W_BroadcastMessage(W_View *targetParent, XEvent *event);
 369
 370 void W_DispatchMessage(W_View *target, XEvent *event);
 371
 372 Bool W_CheckInternalMessage(W_Screen *scr, XClientMessageEvent *cev, int event);
 373
 374 void W_SetFocusOfToplevel(W_View *toplevel, W_View *view);
 375
 376 W_View *W_FocusedViewOfToplevel(W_View *view);
 377
 378 void W_SetFocusOfTopLevel(W_View *toplevel, W_View *view);
 379
 380 void W_ReleaseView(WMView *view);
 381
 382 WMView *W_RetainView(WMView *view);
 383
 384 void W_InitApplication(WMScreen *scr);
 385
 386 void W_InitNotificationCenter(void);
 387
 388 W_Class W_RegisterUserWidget(W_ViewProcedureTable *procTable);
 389
 390 void W_RedisplayView(WMView *view);
 391
 392 Bool W_ApplicationInitialized(void);
 393
 394 char *W_GetTextSelection(WMScreen *scr, Atom selection);