R6.6 is the Xorg base-lineXORG-MAIN

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+/*
+ * 
+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: screen.h,v 1.4 2001/02/09 02:05:37 xorgcvs Exp $
+ *
+ * twm per-screen data include file
+ *
+ * 11-3-88 Dave Payne, Apple Computer			File created
+ *
+ ***********************************************************************/
+
+#ifndef _SCREEN_
+#define _SCREEN_
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/cursorfont.h>
+#include "list.h"
+#include "menus.h"
+#include "iconmgr.h"
+
+typedef struct _StdCmap {
+    struct _StdCmap *next;		/* next link in chain */
+    Atom atom;				/* property from which this came */
+    int nmaps;				/* number of maps below */
+    XStandardColormap *maps;		/* the actual maps */
+} StdCmap;
+
+#define SIZE_HINDENT 10
+#define SIZE_VINDENT 2
+
+typedef struct _TitlebarPixmaps {
+    Pixmap xlogo;
+    Pixmap resize;
+    Pixmap question;
+    Pixmap menu;
+    Pixmap delete;
+} TitlebarPixmaps;
+
+typedef struct ScreenInfo
+{
+    int screen;			/* the default screen */
+    int d_depth;		/* copy of DefaultDepth(dpy, screen) */
+    Visual *d_visual;		/* copy of DefaultVisual(dpy, screen) */
+    int Monochrome;		/* is the display monochrome ? */
+    int MyDisplayWidth;		/* my copy of DisplayWidth(dpy, screen) */
+    int MyDisplayHeight;	/* my copy of DisplayHeight(dpy, screen) */
+    int MaxWindowWidth;		/* largest window to allow */
+    int MaxWindowHeight;	/* ditto */
+
+    TwmWindow TwmRoot;		/* the head of the twm window list */
+
+    Window Root;		/* the root window */
+    Window SizeWindow;		/* the resize dimensions window */
+    Window InfoWindow;		/* the information window */
+
+    name_list *Icons;		/* list of icon pixmaps */
+    TitlebarPixmaps tbpm;	/* titlebar pixmaps */
+    Pixmap UnknownPm;		/* the unknown icon pixmap */
+    Pixmap siconifyPm;		/* the icon manager iconify pixmap */
+    Pixmap pullPm;		/* pull right menu icon */
+    int	pullW, pullH;		/* size of pull right menu icon */
+    Pixmap hilitePm;		/* focus highlight window background */
+    int hilite_pm_width, hilite_pm_height;  /* cache the size */
+
+    MenuRoot *MenuList;		/* head of the menu list */
+    MenuRoot *LastMenu;		/* the last menu (mostly unused?) */
+    MenuRoot *Windows;		/* the TwmWindows menu */
+
+    TwmWindow *Ring;		/* one of the windows in window ring */
+    TwmWindow *RingLeader;	/* current winodw in ring */
+
+    MouseButton Mouse[MAX_BUTTONS+1][NUM_CONTEXTS][MOD_SIZE];
+    MouseButton DefaultFunction;
+    MouseButton WindowFunction;
+
+    struct {
+      Colormaps *cmaps; 	/* current list of colormap windows */
+      int maxCmaps;		/* maximum number of installed colormaps */
+      unsigned long first_req;	/* seq # for first XInstallColormap() req in
+				   pass thru loading a colortable list */
+      int root_pushes;		/* current push level to install root
+				   colormap windows */
+      TwmWindow *pushed_window;	/* saved window to install when pushes drops
+				   to zero */
+    } cmapInfo;
+
+    struct {
+	StdCmap *head, *tail;		/* list of maps */
+	StdCmap *mru;			/* most recently used in list */
+	int mruindex;			/* index of mru in entry */
+    } StdCmapInfo;
+
+    struct {
+	int nleft, nright;		/* numbers of buttons in list */
+	TitleButton *head;		/* start of list */
+	int border;			/* button border */
+	int pad;			/* button-padding */
+	int width;			/* width of single button & border */
+	int leftx;			/* start of left buttons */
+	int titlex;			/* start of title string */
+	int rightoff;			/* offset back from right edge */
+    } TBInfo;
+    ColorPair BorderTileC;	/* border tile colors */
+    ColorPair TitleC;		/* titlebar colors */
+    ColorPair MenuC;		/* menu colors */
+    ColorPair MenuTitleC;	/* menu title colors */
+    ColorPair IconC;		/* icon colors */
+    ColorPair IconManagerC;	/* icon manager colors */
+    XColor PointerForeground;	/* pointer foreground color */
+    XColor PointerBackground;	/* pointer background color */
+    ColorPair DefaultC;		/* default colors */
+    Pixel BorderColor;		/* color of window borders */
+    Pixel MenuShadowColor;	/* menu shadow color */
+    Pixel IconBorderColor;	/* icon border color */
+    Pixel IconManagerHighlight;	/* icon manager highlight */
+
+    Cursor TitleCursor;		/* title bar cursor */
+    Cursor FrameCursor;		/* frame cursor */
+    Cursor IconCursor;		/* icon cursor */
+    Cursor IconMgrCursor;	/* icon manager cursor */
+    Cursor ButtonCursor;	/* title bar button cursor */
+    Cursor MoveCursor;		/* move cursor */
+    Cursor ResizeCursor;	/* resize cursor */
+    Cursor WaitCursor;		/* wait a while cursor */
+    Cursor MenuCursor;		/* menu cursor */
+    Cursor SelectCursor;	/* dot cursor for f.move, etc. from menus */
+    Cursor DestroyCursor;		/* skull and cross bones, f.destroy */
+
+    name_list *BorderColorL;
+    name_list *IconBorderColorL;
+    name_list *BorderTileForegroundL;
+    name_list *BorderTileBackgroundL;
+    name_list *TitleForegroundL;
+    name_list *TitleBackgroundL;
+    name_list *IconForegroundL;
+    name_list *IconBackgroundL;
+    name_list *IconManagerFL;
+    name_list *IconManagerBL;
+    name_list *IconMgrs;
+    name_list *NoTitle;		/* list of window names with no title bar */
+    name_list *MakeTitle;	/* list of window names with title bar */
+    name_list *AutoRaise;	/* list of window names to auto-raise */
+    name_list *IconNames;	/* list of window names and icon names */
+    name_list *NoHighlight;	/* list of windows to not highlight */
+    name_list *NoStackModeL;	/* windows to ignore stack mode requests */
+    name_list *NoTitleHighlight;/* list of windows to not highlight the TB*/
+    name_list *DontIconify;	/* don't iconify by unmapping */
+    name_list *IconMgrNoShow;	/* don't show in the icon manager */
+    name_list *IconMgrShow;	/* show in the icon manager */
+    name_list *IconifyByUn;	/* windows to iconify by unmapping */
+    name_list *StartIconified;	/* windows to start iconic */
+    name_list *IconManagerHighlightL;	/* icon manager highlight colors */
+    name_list *SqueezeTitleL;		/* windows of which to squeeze title */
+    name_list *DontSqueezeTitleL;	/* windows of which not to squeeze */
+    name_list *WindowRingL;	/* windows in ring */
+    name_list *WarpCursorL;	/* windows to warp cursor to on deiconify */
+
+    GC NormalGC;		/* normal GC for everything */
+    GC MenuGC;			/* gc for menus */
+    GC DrawGC;			/* GC to draw lines for move and resize */
+
+    unsigned long Black;
+    unsigned long White;
+    unsigned long XORvalue;	/* number to use when drawing xor'ed */
+    MyFont TitleBarFont;	/* title bar font structure */
+    MyFont MenuFont;		/* menu font structure */
+    MyFont IconFont;		/* icon font structure */
+    MyFont SizeFont;		/* resize font structure */
+    MyFont IconManagerFont;	/* window list font structure */
+    MyFont DefaultFont;
+    IconMgr iconmgr;		/* default icon manager */
+    struct IconRegion *FirstRegion;	/* pointer to icon regions */
+    struct IconRegion *LastRegion;	/* pointer to the last icon region */
+    char *IconDirectory;	/* icon directory to search */
+    int SizeStringOffset;	/* x offset in size window for drawing */
+    int SizeStringWidth;	/* minimum width of size window */
+    int BorderWidth;		/* border width of twm windows */
+    int IconBorderWidth;	/* border width of icon windows */
+    int UnknownWidth;		/* width of the unknown icon */
+    int UnknownHeight;		/* height of the unknown icon */
+    int TitleHeight;		/* height of the title bar window */
+    TwmWindow *Focus;		/* the twm window that has focus */
+    int EntryHeight;		/* menu entry height */
+    int FramePadding;		/* distance between decorations and border */
+    int TitlePadding;		/* distance between items in titlebar */
+    int ButtonIndent;		/* amount to shrink buttons on each side */
+    int NumAutoRaises;		/* number of autoraise windows on screen */
+    short NoDefaults;		/* do not add in default UI stuff */
+    short UsePPosition;		/* what do with PPosition, see values below */
+    short AutoRelativeResize;	/* start resize relative to position in quad */
+    short FocusRoot;		/* is the input focus on the root ? */
+    short WarpCursor;		/* warp cursor on de-iconify ? */
+    short ForceIcon;		/* force the icon to the user specified */
+    short NoGrabServer;		/* don't do server grabs */
+    short NoRaiseMove;		/* don't raise window following move */
+    short NoRaiseResize;	/* don't raise window following resize */
+    short NoRaiseDeicon;	/* don't raise window on deiconify */
+    short NoRaiseWarp;		/* don't raise window on warp */
+    short DontMoveOff;		/* don't allow windows to be moved off */
+    short DoZoom;		/* zoom in and out of icons */
+    short TitleFocus;		/* focus on window in title bar ? */
+    short NoTitlebar;		/* put title bars on windows */
+    short DecorateTransients;	/* put title bars on transients */
+    short IconifyByUnmapping;	/* simply unmap windows when iconifying */
+    short ShowIconManager;	/* display the window list */
+    short IconManagerDontShow;	/* show nothing in the icon manager */
+    short BackingStore;		/* use backing store for menus */
+    short SaveUnder;		/* use save under's for menus */
+    short RandomPlacement;	/* randomly place windows that no give hints */
+    short OpaqueMove;		/* move the window rather than outline */
+    short Highlight;		/* should we highlight the window borders */
+    short StackMode;		/* should we honor stack mode requests */
+    short TitleHighlight;	/* should we highlight the titlebar */
+    short MoveDelta;		/* number of pixels before f.move starts */
+    short ZoomCount;		/* zoom outline count */
+    short SortIconMgr;		/* sort entries in the icon manager */
+    short Shadow;		/* show the menu shadow */
+    short InterpolateMenuColors;/* make pretty menus */
+    short NoIconManagers;	/* Don't create any icon managers */
+    short ClientBorderWidth;	/* respect client window border width */
+    short SqueezeTitle;		/* make title as small as possible */
+    short HaveFonts;		/* set if fonts have been loaded */
+    short FirstTime;		/* first time we've read .twmrc */
+    short CaseSensitive;	/* be case-sensitive when sorting names */
+    short WarpUnmapped;		/* allow warping to unmapped windows */
+
+    FuncKey FuncKeyRoot;
+} ScreenInfo;
+
+extern int MultiScreen;
+extern int NumScreens;
+extern ScreenInfo **ScreenList;
+extern ScreenInfo *Scr;
+extern int FirstScreen;
+
+#define PPOS_OFF 0
+#define PPOS_ON 1
+#define PPOS_NON_ZERO 2
+/* may eventually want an option for having the PPosition be the initial
+   location for the drag lines */
+
+#endif /* _SCREEN_ */