R6.6 is the Xorg base-lineXORG-MAIN

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+/*****************************************************************************/
+/**       Copyright 1988 by Evans & Sutherland Computer Corporation,        **/
+/**                          Salt Lake City, Utah                           **/
+/**                                                                         **/
+/**                           All Rights Reserved                           **/
+/**                                                                         **/
+/**    Permission to use, copy, modify, and distribute this software and    **/
+/**    its documentation  for  any  purpose  and  without  fee is hereby    **/
+/**    granted, provided that the above copyright notice appear  in  all    **/
+/**    copies and that both  that  copyright  notice  and  this  permis-    **/
+/**    sion  notice appear in supporting  documentation,  and  that  the    **/
+/**    names of Evans & Sutherland not be used in advertising               **/
+/**    in publicity pertaining to distribution of the  software  without    **/
+/**    specific, written prior permission.                                  **/
+/**                                                                         **/
+/**    EVANS & SUTHERLAND AND DISCLAIMS ALL WARRANTIES WITH REGARD          **/
+/**    TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES  OF  MERCHANT-    **/
+/**    ABILITY  AND  FITNESS,  IN  NO  EVENT SHALL EVANS & SUTHERLAND       **/
+/**    BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL  DAMAGES        **/
+/**    OR  ANY DAMAGES WHATSOEVER  RESULTING FROM LOSS OF USE, DATA         **/
+/**    OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER    **/
+/**    TORTIOUS ACTION, ARISING OUT OF OR IN  CONNECTION  WITH  THE  USE    **/
+/**    OR PERFORMANCE OF THIS SOFTWARE.                                     **/
+/*****************************************************************************/
+/*
+
+Portions Copyright 1989, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+
+/***********************************************************************
+ *
+ * $Xorg: twm.h,v 1.4 2001/02/09 02:05:37 xorgcvs Exp $
+ *
+ * twm include file
+ *
+ * 28-Oct-87 Thomas E. LaStrange	File created
+ * 10-Oct-90 David M. Sternlicht        Storeing saved colors on root
+ ***********************************************************************/
+
+#ifndef _TWM_
+#define _TWM_
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/cursorfont.h>
+#include <X11/extensions/shape.h>
+#include <X11/Xfuncs.h>
+#include <X11/StringDefs.h>
+#include <X11/Intrinsic.h>
+
+#ifndef WithdrawnState
+#define WithdrawnState 0
+#endif
+
+#define PIXEL_ALREADY_TYPEDEFED		/* for Xmu/Drawing.h */
+
+#ifdef SIGNALRETURNSINT
+#define SIGNAL_T int
+#define SIGNAL_RETURN return 0
+#else
+#define SIGNAL_T void
+#define SIGNAL_RETURN return
+#endif
+
+typedef SIGNAL_T (*SigProc)();	/* type of function returned by signal() */
+
+#define BW 2			/* border width */
+#define BW2 4			/* border width  * 2 */
+
+#ifndef TRUE
+#define TRUE	1
+#define FALSE	0
+#endif
+
+#define NULLSTR ((char *) NULL)
+
+#define MAX_BUTTONS	5	/* max mouse buttons supported */
+
+/* info stings defines */
+#define INFO_LINES 30
+#define INFO_SIZE 200
+
+/* contexts for button presses */
+#define C_NO_CONTEXT	-1
+#define C_WINDOW	0
+#define C_TITLE		1
+#define C_ICON		2
+#define C_ROOT		3
+#define C_FRAME		4
+#define C_ICONMGR	5
+#define C_NAME		6
+#define C_IDENTIFY      7
+#define NUM_CONTEXTS	8
+
+#define C_WINDOW_BIT	(1 << C_WINDOW)
+#define C_TITLE_BIT	(1 << C_TITLE)
+#define C_ICON_BIT	(1 << C_ICON)
+#define C_ROOT_BIT	(1 << C_ROOT)
+#define C_FRAME_BIT	(1 << C_FRAME)
+#define C_ICONMGR_BIT	(1 << C_ICONMGR)
+#define C_NAME_BIT	(1 << C_NAME)
+
+#define C_ALL_BITS	(C_WINDOW_BIT | C_TITLE_BIT | C_ICON_BIT |\
+			 C_ROOT_BIT | C_FRAME_BIT | C_ICONMGR_BIT)
+
+/* modifiers for button presses */
+#define MOD_SIZE	((ShiftMask | ControlMask | Mod1Mask \
+			  | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask) + 1)
+
+#define TITLE_BAR_SPACE         1	/* 2 pixel space bordering chars */
+#define TITLE_BAR_FONT_HEIGHT   15	/* max of 15 pixel high chars */
+#define TITLE_BAR_HEIGHT        (TITLE_BAR_FONT_HEIGHT+(2*TITLE_BAR_SPACE))
+
+/* defines for zooming/unzooming */
+#define ZOOM_NONE 0
+
+#define FBF(fix_fore, fix_back, fix_font)\
+    Gcv.foreground = fix_fore;\
+    Gcv.background = fix_back;\
+    Gcv.font = fix_font;\
+    XChangeGC(dpy, Scr->NormalGC, GCFont|GCForeground|GCBackground,&Gcv)
+
+#define FB(fix_fore, fix_back)\
+    Gcv.foreground = fix_fore;\
+    Gcv.background = fix_back;\
+    XChangeGC(dpy, Scr->NormalGC, GCForeground|GCBackground,&Gcv)
+
+typedef struct MyFont
+{
+    char *name;			/* name of the font */
+    XFontStruct *font;		/* font structure */
+    int height;			/* height of the font */
+    int y;			/* Y coordinate to draw characters */
+} MyFont;
+
+typedef struct ColorPair
+{
+    Pixel fore, back;
+} ColorPair;
+
+typedef struct _TitleButton {
+    struct _TitleButton *next;		/* next link in chain */
+    char *name;				/* bitmap name in case of deferal */
+    Pixmap bitmap;			/* image to display in button */
+    int srcx, srcy;			/* from where to start copying */
+    unsigned int width, height;		/* size of pixmap */
+    int dstx, dsty;			/* to where to start copying */
+    int func;				/* function to execute */
+    char *action;			/* optional action arg */
+    struct MenuRoot *menuroot;		/* menu to pop on F_MENU */
+    Bool rightside;			/* t: on right, f: on left */
+} TitleButton;
+
+typedef struct _TBWindow {
+    Window window;			/* which window in this frame */
+    TitleButton *info;			/* description of this window */
+} TBWindow;
+
+typedef struct _SqueezeInfo {
+    int justify;			/* left, center, right */
+    int num;				/* signed pixel count or numerator */
+    int denom;				/* 0 for pix count or denominator */
+} SqueezeInfo;
+
+#define J_LEFT			1
+#define J_CENTER		2
+#define J_RIGHT			3
+
+/* Colormap window entry for each window in WM_COLORMAP_WINDOWS
+ * ICCCM property.
+ */
+typedef struct TwmColormap
+{	
+    Colormap c;			/* Colormap id */
+    int state;			/* install(ability) state */
+    unsigned long install_req;	/* request number which installed it */
+    Window w;			/* window causing load of color table */
+    int refcnt;
+} TwmColormap;
+
+#define CM_INSTALLABLE		1
+#define CM_INSTALLED		2
+#define CM_INSTALL		4
+
+typedef struct ColormapWindow
+{
+    Window w;			/* Window id */
+    TwmColormap *colormap;	/* Colormap for this window */
+    int visibility;		/* Visibility of this window */
+    int refcnt;
+} ColormapWindow;
+
+typedef struct Colormaps
+{
+    ColormapWindow **cwins;	/* current list of colormap windows */
+    int number_cwins;		/* number of elements in current list */
+    char *scoreboard;		/* conflicts between installable colortables */
+} Colormaps;
+
+#define ColormapsScoreboardLength(cm) ((cm)->number_cwins * \
+				       ((cm)->number_cwins - 1) / 2)
+
+/* for each window that is on the display, one of these structures
+ * is allocated and linked into a list 
+ */
+typedef struct TwmWindow
+{
+    struct TwmWindow *next;	/* next twm window */
+    struct TwmWindow *prev;	/* previous twm window */
+    Window w;			/* the child window */
+    int old_bw;			/* border width before reparenting */
+    Window frame;		/* the frame window */
+    Window title_w;		/* the title bar window */
+    Window hilite_w;		/* the hilite window */
+    Pixmap gray;
+    Window icon_w;		/* the icon window */
+    Window icon_bm_w;		/* the icon bitmap window */
+    int frame_x;		/* x position of frame */
+    int frame_y;		/* y position of frame */
+    int frame_width;		/* width of frame */
+    int frame_height;		/* height of frame */
+    int frame_bw;		/* borderwidth of frame */
+    int title_x;
+    int title_y;
+    int icon_x;			/* icon text x coordinate */
+    int icon_y;			/* icon text y coordiante */
+    int icon_w_width;		/* width of the icon window */
+    int icon_w_height;		/* height of the icon window */
+    int icon_width;		/* width of the icon bitmap */
+    int icon_height;		/* height of the icon bitmap */
+    int title_height;		/* height of the title bar */
+    int title_width;		/* width of the title bar */
+    char *full_name;		/* full name of the window */
+    char *name;			/* name of the window */
+    char *icon_name;		/* name of the icon */
+    int name_width;		/* width of name text */
+    int highlightx;		/* start of highlight window */
+    int rightx;			/* start of right buttons */
+    XWindowAttributes attr;	/* the child window attributes */
+    XSizeHints hints;		/* normal hints */
+    XWMHints *wmhints;		/* WM hints */
+    Window group;		/* group ID */
+    XClassHint class;
+    struct WList *list;
+    /***********************************************************************
+     * color definitions per window
+     **********************************************************************/
+    Pixel border;		/* border color */
+    Pixel icon_border;		/* border color */
+    ColorPair border_tile;
+    ColorPair title;
+    ColorPair iconc;
+    short iconified;		/* has the window ever been iconified? */
+    short icon;			/* is the window an icon now ? */
+    short icon_on;		/* is the icon visible */
+    short mapped;		/* is the window mapped ? */
+    short auto_raise;		/* should we auto-raise this window ? */
+    short forced;		/* has had an icon forced upon it */
+    short icon_not_ours;	/* icon pixmap or window supplied to us */
+    short icon_moved;		/* user explicitly moved the icon */
+    short highlight;		/* should highlight this window */
+    short stackmode;		/* honor stackmode requests */
+    short iconify_by_unmapping;	/* unmap window to iconify it */
+    short iconmgr;		/* this is an icon manager window */
+    short transient;		/* this is a transient window */
+    Window transientfor;	/* window contained in XA_XM_TRANSIENT_FOR */
+    short titlehighlight;	/* should I highlight the title bar */
+    struct IconMgr *iconmgrp;	/* pointer to it if this is an icon manager */
+    int save_frame_x;		/* x position of frame */
+    int save_frame_y;		/* y position of frame */
+    int save_frame_width;	/* width of frame */
+    int save_frame_height;	/* height of frame */
+    short zoomed;		/* is the window zoomed? */
+    short wShaped;		/* this window has a bounding shape */
+    unsigned long protocols;	/* which protocols this window handles */
+    Colormaps cmaps;		/* colormaps for this application */
+    TBWindow *titlebuttons;
+    SqueezeInfo *squeeze_info;	/* should the title be squeezed? */
+    struct {
+	struct TwmWindow *next, *prev;
+	Bool cursor_valid;
+	int curs_x, curs_y;
+    } ring;
+
+    Bool nameChanged;	/* did WM_NAME ever change? */
+
+    /* did the user ever change the width/height? {yes, no, or unknown} */
+
+    Bool widthEverChangedByUser;
+    Bool heightEverChangedByUser;
+
+} TwmWindow;
+
+
+typedef struct TWMWinConfigEntry
+{
+    struct TWMWinConfigEntry *next;
+    int tag;
+    char *client_id;
+    char *window_role;
+    XClassHint class;
+    char *wm_name;
+    int wm_command_count;
+    char **wm_command;
+    short x, y;
+    unsigned short width, height;
+    short icon_x, icon_y;
+    Bool iconified;
+    Bool icon_info_present;
+    Bool width_ever_changed_by_user;
+    Bool height_ever_changed_by_user;
+} TWMWinConfigEntry;
+
+
+#define DoesWmTakeFocus		(1L << 0)
+#define DoesWmSaveYourself	(1L << 1)
+#define DoesWmDeleteWindow	(1L << 2)
+
+#define TBPM_DOT ":dot"		/* name of titlebar pixmap for dot */
+#define TBPM_ICONIFY ":iconify"	/* same image as dot */
+#define TBPM_RESIZE ":resize"	/* name of titlebar pixmap for resize button */
+#define TBPM_XLOGO ":xlogo"	/* name of titlebar pixmap for xlogo */
+#define TBPM_DELETE ":delete"	/* same image as xlogo */
+#define TBPM_MENU ":menu"	/* name of titlebar pixmap for menus */
+#define TBPM_QUESTION ":question"	/* name of unknown titlebar pixmap */
+
+#include <X11/Xosdefs.h>
+#ifndef X_NOT_STDC_ENV
+#include <stdlib.h>
+#else
+extern char *malloc(), *calloc(), *realloc(), *getenv();
+extern void free();
+#endif
+extern void Reborder();
+extern SIGNAL_T Done();
+void ComputeCommonTitleOffsets();
+void ComputeWindowTitleOffsets(), ComputeTitleLocation();
+extern char *ProgramName;
+extern Display *dpy;
+extern XtAppContext appContext;
+extern Window ResizeWindow;	/* the window we are resizing */
+extern int HasShape;		/* this server supports Shape extension */
+extern int HasSync;		/* this server supports SYNC extension */
+
+extern int PreviousScreen;
+
+extern Cursor UpperLeftCursor;
+extern Cursor RightButt;
+extern Cursor MiddleButt;
+extern Cursor LeftButt;
+
+extern XClassHint NoClass;
+
+extern XContext TwmContext;
+extern XContext MenuContext;
+extern XContext IconManagerContext;
+extern XContext ScreenContext;
+extern XContext ColormapContext;
+
+extern char *Home;
+extern int HomeLen;
+extern int ParseError;
+
+extern int HandlingEvents;
+
+extern Window JunkRoot;
+extern Window JunkChild;
+extern int JunkX;
+extern int JunkY;
+extern unsigned int JunkWidth, JunkHeight, JunkBW, JunkDepth, JunkMask;
+extern XGCValues Gcv;
+extern int InfoLines;
+extern char Info[][INFO_SIZE];
+extern int Argc;
+extern char **Argv;
+extern char **Environ;
+extern void NewFontCursor();
+extern Pixmap CreateMenuIcon();
+
+extern Bool ErrorOccurred;
+extern XErrorEvent LastErrorEvent;
+
+#define ResetError() (ErrorOccurred = False)
+
+extern Bool RestartPreviousState;
+extern Bool GetWMState();
+
+extern Atom TwmAtoms[];
+
+#define _XA_MIT_PRIORITY_COLORS		TwmAtoms[0]
+#define _XA_WM_CHANGE_STATE		TwmAtoms[1]
+#define _XA_WM_STATE			TwmAtoms[2]
+#define _XA_WM_COLORMAP_WINDOWS		TwmAtoms[3]
+#define _XA_WM_PROTOCOLS		TwmAtoms[4]
+#define _XA_WM_TAKE_FOCUS		TwmAtoms[5]
+#define _XA_WM_SAVE_YOURSELF		TwmAtoms[6]
+#define _XA_WM_DELETE_WINDOW		TwmAtoms[7]
+#define _XA_SM_CLIENT_ID		TwmAtoms[8]
+#define _XA_WM_CLIENT_LEADER		TwmAtoms[9]
+#define _XA_WM_WINDOW_ROLE		TwmAtoms[10]
+
+#endif /* _TWM_ */