sync code with last improvements from OpenBSD
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88965415ff
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26235 changed files with 29195616 additions and 0 deletions
481
app/fvwm/modules/FvwmTalk/FvwmTalk.c
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481
app/fvwm/modules/FvwmTalk/FvwmTalk.c
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@ -0,0 +1,481 @@
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/* This module, and the entire NoClutter program, and the concept for
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* interfacing this module to the Window Manager, are all original work
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* by Robert Nation
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*
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* Copyright 1994, Robert Nation. No guarantees or warantees or anything
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* are provided or implied in any way whatsoever. Use this program at your
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* own risk. Permission to use this program for any purpose is given,
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* as long as the copyright is kept intact. */
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#define TRUE 1
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#define FALSE
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#define UPDATE_ONLY 1
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#define ALL 2
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#define PROP_SIZE 1024
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#include "config.h"
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#ifdef HAVE_SYS_BSDTYPES_H
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#include <sys/bsdtypes.h> /* Saul */
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#endif
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#include <stdio.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#if HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#include <unistd.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <X11/Xutil.h>
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#include <X11/Xproto.h>
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#include <X11/Xatom.h>
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#include <X11/Intrinsic.h>
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#include "../../fvwm/module.h"
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#include "FvwmTalk.h"
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char *MyName;
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int fd_width,screen, d_depth;
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int fd[2];
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int x_fd;
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Window Root;
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Display *dpy;
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/* char *font_string = "helvetica"; */
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char *font_string = "fixed";
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char *ForeColor = "green";
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char *BackColor = "black";
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char *display_name = NULL;
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XFontStruct *font;
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Pixel fore_pix,back_pix;
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static Atom wm_del_win;
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unsigned long valuemask;
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XSetWindowAttributes attributes;
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XWMHints wmhints;
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Window window;
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char last_error[256],previous_line[256];
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char Text[256];
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int pos = 0;
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XSizeHints sizehints =
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{
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(PMinSize | PResizeInc | PBaseSize | PWinGravity | PMaxSize),
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0, 0, 100, 100, /* x, y, width and height */
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1, 1, /* Min width and height */
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0, 0, /* Max width and height */
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1, 1, /* Width and height increments */
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{0, 0}, {0, 0}, /* Aspect ratio - not used */
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1, 1, /* base size */
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(NorthWestGravity) /* gravity */
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};
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Pixel GetColor(char *name);
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void nocolor(char *a, char *b);
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XGCValues gcv;
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GC myGC;
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int My_XNextEvent(Display *dpy, XEvent *event);
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void DrawWindow(int mode);
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void paste_primary(int window,int property,int Delete);
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void request_selection(int time);
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/***********************************************************************
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*
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* Procedure:
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* main - start of module
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*
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***********************************************************************/
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int main(int argc, char **argv)
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{
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char *temp, *s;
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XWMHints wm_hints;
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XClassHint class_hints;
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XTextProperty window_name;
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/* Save the program name - its used for error messages and option parsing */
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temp = argv[0];
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s=strrchr(argv[0], '/');
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if (s != NULL)
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temp = s + 1;
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MyName = safemalloc(strlen(temp)+2);
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strcpy(MyName,"*");
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strcat(MyName, temp);
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if((argc != 6)&&(argc != 7))
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{
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fprintf(stderr,"%s Version %s should only be executed by fvwm!\n",MyName,
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VERSION);
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exit(1);
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}
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/* Dead pipes mean fvwm died */
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signal (SIGPIPE, DeadPipe);
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fd[0] = atoi(argv[1]);
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fd[1] = atoi(argv[2]);
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/* Initialize X connection */
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if (!(dpy = XOpenDisplay(display_name)))
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{
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fprintf(stderr,"%s: can't open display %s", MyName,
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XDisplayName(display_name));
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exit (1);
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}
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x_fd = XConnectionNumber(dpy);
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screen= DefaultScreen(dpy);
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Root = RootWindow(dpy, screen);
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if(Root == None)
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{
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fprintf(stderr,"%s: Screen %d is not valid ", MyName, (int)screen);
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exit(1);
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}
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d_depth = DefaultDepth(dpy, screen);
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fd_width = GetFdWidth();
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wm_del_win = XInternAtom(dpy,"WM_DELETE_WINDOW",False);
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/* load the font */
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if ((font = XLoadQueryFont(dpy, font_string)) == NULL)
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{
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if ((font = XLoadQueryFont(dpy, "fixed")) == NULL)
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{
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fprintf(stderr,"%s: No fonts available\n",MyName);
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exit(1);
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}
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};
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fore_pix = GetColor(ForeColor);
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back_pix = GetColor(BackColor);
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valuemask = (CWBackPixel | CWBorderPixel | CWEventMask);
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attributes.background_pixel = back_pix;
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attributes.border_pixel = fore_pix;
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attributes.event_mask = KeyPressMask | ExposureMask | ButtonPressMask;
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sizehints.width = 8*XTextWidth(font,"MMMMMMMMMM",10);
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sizehints.height = 3*(font->ascent+font->descent+2)+2;
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sizehints.x = 0;
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sizehints.y = 0;
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sizehints.width_inc = 0.1*XTextWidth(font,"MMMMMMMMMM",10);
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sizehints.height_inc = 3*(font->ascent+font->descent+2)+2;
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sizehints.base_width = 1;
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sizehints.base_height = 3*(font->ascent+font->descent+2)+2;
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sizehints.min_width = 1;
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sizehints.min_height = 3*(font->ascent+font->descent+2)+2;
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sizehints.max_height = 3*(font->ascent+font->descent+2)+2;
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sizehints.max_width = 26*XTextWidth(font,"MMMMMMMMMM",10);
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window = XCreateWindow (dpy, Root, 0, 0, sizehints.width,sizehints.height,
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(unsigned int) 1,
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CopyFromParent, InputOutput,
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(Visual *) CopyFromParent,
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valuemask, &attributes);
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class_hints.res_name = "FvwmTalk";
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class_hints.res_class = "FvwmTalk";
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wm_hints.flags = InputHint;
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wm_hints.input = True;;
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XSetWMProtocols(dpy,window,&wm_del_win,1);
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XSetWMNormalHints(dpy,window,&sizehints);
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/* XStringListToTextProperty(&(argv[0]), 1, &window_name); */
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XStringListToTextProperty(&temp, 1, &window_name);
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XSetWMProperties(dpy, window, &window_name, &window_name,
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argv, argc, &sizehints, &wm_hints, &class_hints);
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gcv.foreground = fore_pix;
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gcv.background = back_pix;
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gcv.font = font->fid;
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myGC = XCreateGC(dpy,window,GCForeground|GCBackground|GCFont,&gcv);
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previous_line[0] = 0;
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last_error[0] = 0;
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XMapWindow(dpy,window);
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Loop(fd);
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return 0;
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}
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/***********************************************************************
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*
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* Procedure:
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* Loop - wait for data to process
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*
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***********************************************************************/
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void Loop(int *fd)
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{
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KeySym keysym;
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static XComposeStatus compose = {NULL,0};
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XEvent event;
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char kbuf[100];
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int count;
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pos = 0;
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Text[0] = 0;
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while(1)
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{
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if(My_XNextEvent(dpy, &event))
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{
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switch(event.type)
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{
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case KeyPress:
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count = XLookupString(&(event.xkey),kbuf,99,&keysym,&compose);
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kbuf[count] = (unsigned char)0;
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if((keysym == XK_BackSpace )||(keysym == XK_Delete))
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{
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if(pos > 0)
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Text[--pos] = 0;
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}
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else if((keysym == XK_Return)||(keysym == XK_KP_Enter))
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{
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SendText(fd,Text,0);
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last_error[0] = 0;
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strncpy(previous_line,Text,255);
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previous_line[255] = 0;
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pos = 0;
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Text[pos] = 0;
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DrawWindow(ALL);
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}
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else
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{
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if(pos + count < 255)
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{
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strcat(Text,kbuf);
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pos += count;
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}
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else
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XBell(dpy,0);
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}
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DrawWindow(UPDATE_ONLY);
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break;
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case ButtonPress:
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if(event.xbutton.button == 2)
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request_selection(event.xbutton.time);
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break;
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case Expose:
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DrawWindow(ALL);
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break;
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case ClientMessage:
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if ((event.xclient.format==32) &&
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(event.xclient.data.l[0]==wm_del_win))
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{
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exit(0);
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}
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break;
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case SelectionNotify:
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paste_primary(event.xselection.requestor,
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event.xselection.property,True);
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default:
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break;
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}
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}
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}
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}
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/***********************************************************************
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*
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* Procedure:
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* SIGPIPE handler - SIGPIPE means fvwm is dying
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*
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***********************************************************************/
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void DeadPipe(int nonsense)
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{
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fprintf(stderr,"FvwmTalk: dead pipe\n");
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exit(0);
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}
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/****************************************************************************
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*
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* Loads a single color
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*
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****************************************************************************/
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Pixel GetColor(char *name)
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{
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XColor color;
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XWindowAttributes attributes;
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XGetWindowAttributes(dpy, Root,&attributes);
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color.pixel = 0;
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if (!XParseColor (dpy, attributes.colormap, name, &color))
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{
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nocolor("parse",name);
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}
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else if(!XAllocColor (dpy, attributes.colormap, &color))
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{
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nocolor("alloc",name);
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}
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return color.pixel;
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}
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void nocolor(char *a, char *b)
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{
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fprintf(stderr,"%s: can't %s %s\n", MyName, a,b);
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}
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/***************************************************************************
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*
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* Waits for next X event, or for an auto-raise timeout.
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*
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****************************************************************************/
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int My_XNextEvent(Display *dpy, XEvent *event)
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{
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fd_set in_fdset;
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unsigned long header[HEADER_SIZE];
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int count;
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static int miss_counter = 0;
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unsigned long *body;
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if(XPending(dpy))
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{
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XNextEvent(dpy,event);
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return 1;
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}
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FD_ZERO(&in_fdset);
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FD_SET(x_fd,&in_fdset);
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FD_SET(fd[1],&in_fdset);
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select(fd_width,SELECT_TYPE_ARG234 &in_fdset, 0, 0, NULL);
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if(FD_ISSET(x_fd, &in_fdset))
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{
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if(XPending(dpy))
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{
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XNextEvent(dpy,event);
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miss_counter = 0;
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return 1;
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}
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else
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miss_counter++;
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if(miss_counter > 100)
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DeadPipe(0);
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}
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if(FD_ISSET(fd[1], &in_fdset))
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{
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if((count = ReadFvwmPacket(fd[1],header,&body)) > 0)
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{
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if(header[1] == M_ERROR || header[1] == M_STRING)
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{
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strncpy(last_error,(char *)(&body[3]),255);
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/*last_error[strlen(last_error)-1] = 0;*/
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last_error[strlen(last_error)] = 0;
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last_error[255] = 0;
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XClearArea(dpy,window,0,0,10000,10000,1);
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}
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free(body);
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}
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}
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return 0;
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}
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void request_selection(int time)
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{
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Atom sel_property;
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if (XGetSelectionOwner(dpy,XA_PRIMARY) == None)
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{
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/* No primary selection so use the cut buffer.
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*/
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paste_primary(DefaultRootWindow(dpy),XA_CUT_BUFFER0,False);
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return;
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}
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sel_property = XInternAtom(dpy,"VT_SELECTION",False);
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XConvertSelection(dpy,XA_PRIMARY,XA_STRING,sel_property,window,time);
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}
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void paste_primary(int window,int property,int Delete)
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{
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Atom actual_type;
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int actual_format,i;
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unsigned long nitems, bytes_after, nread;
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unsigned char *data, *data2;
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if (property == None)
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return;
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nread = 0;
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do
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{
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if (XGetWindowProperty(dpy,window,property,nread/4,PROP_SIZE,Delete,
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AnyPropertyType,&actual_type,&actual_format,
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&nitems,&bytes_after,(unsigned char **)&data)
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!= Success)
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return;
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if (actual_type != XA_STRING)
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return;
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data2 = data;
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/* want to make a \n to \r mapping for cut and paste only */
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for(i=0;i<nitems;i++)
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{
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if(*data == '\n')
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*data = '\r';
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data++;
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}
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if(255-pos > 0)
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{
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strncat(Text,(char *)data2,255-pos-nitems);
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pos = strlen(Text);
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DrawWindow(UPDATE_ONLY);
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}
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nread += nitems;
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XFree(data2);
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} while (bytes_after > 0);
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}
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void DrawWindow(int mode)
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{
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int w;
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if(mode == ALL)
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{
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XClearWindow(dpy,window);
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XDrawImageString(dpy,window,myGC,2,(font->ascent+font->descent+2)+
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font->ascent+2,last_error,strlen(last_error));
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XDrawImageString(dpy,window,myGC,2, font->ascent+2,
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previous_line,strlen(previous_line));
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}
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else
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{
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XClearArea(dpy,window,0,
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2*(font->ascent+font->descent+2),10000,10000,0);
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}
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XDrawImageString(dpy,window,myGC,2,2*(font->ascent+font->descent+2)+
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font->ascent+2,Text,pos);
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w=XTextWidth(font,Text,pos);
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XDrawLine(dpy,window,myGC,4+w,2*(font->ascent+font->descent+2)+2,
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4+w,2*(font->ascent+font->descent+2)+
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font->ascent+font->descent);
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}
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