486 lines
13 KiB
C
486 lines
13 KiB
C
/*
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Best viewed with vim5, using ts=4
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wmgeneral was taken from wmppp.
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It has a lot of routines which most of the wm* programs use.
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------------------------------------------------------------
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Author: Martijn Pieterse (pieterse@xs4all.nl)
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---
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CHANGES:
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---
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14/09/1998 (Dave Clark, clarkd@skyia.com)
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* Updated createXBMfromXPM routine
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* Now supports >256 colors
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11/09/1998 (Martijn Pieterse, pieterse@xs4all.nl)
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* Removed a bug from parse_rcfile. You could
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not use "start" in a command if a label was
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also start.
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* Changed the needed geometry string.
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We don't use window size, and don't support
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negative positions.
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03/09/1998 (Martijn Pieterse, pieterse@xs4all.nl)
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* Added parse_rcfile2
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02/09/1998 (Martijn Pieterse, pieterse@xs4all.nl)
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* Added -geometry support (untested)
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28/08/1998 (Martijn Pieterse, pieterse@xs4all.nl)
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* Added createXBMfromXPM routine
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* Saves a lot of work with changing xpm's.
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02/05/1998 (Martijn Pieterse, pieterse@xs4all.nl)
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* changed the read_rc_file to parse_rcfile, as suggested by Marcelo E. Magallon
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* debugged the parse_rc file.
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30/04/1998 (Martijn Pieterse, pieterse@xs4all.nl)
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* Ripped similar code from all the wm* programs,
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and put them in a single file.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <X11/Xlib.h>
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#include <X11/xpm.h>
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#include <X11/extensions/shape.h>
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#include "wmgeneral.h"
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/*****************/
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/* X11 Variables */
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/*****************/
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Window Root;
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int screen;
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int x_fd;
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int d_depth;
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XSizeHints mysizehints;
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XWMHints mywmhints;
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Pixel back_pix, fore_pix;
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char *Geometry = "";
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Window iconwin, win;
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GC NormalGC;
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XpmIcon wmgen;
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Pixmap pixmask;
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/*****************/
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/* Mouse Regions */
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/*****************/
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typedef struct {
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int enable;
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int top;
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int bottom;
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int left;
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int right;
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} MOUSE_REGION;
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MOUSE_REGION mouse_region[MAX_MOUSE_REGION];
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/***********************/
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/* Function Prototypes */
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/***********************/
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static void GetXPM(XpmIcon *, char **);
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static Pixel GetColor(char *);
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void RedrawWindow(void);
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void AddMouseRegion(int, int, int, int, int);
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int CheckMouseRegion(int, int);
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/*******************************************************************************\
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|* parse_rcfile *|
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\*******************************************************************************/
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void parse_rcfile(const char *filename, rckeys *keys) {
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char *p,*q;
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char temp[128];
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char *tokens = " :\t\n";
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FILE *fp;
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int i,key;
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fp = fopen(filename, "r");
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if (fp) {
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while (fgets(temp, 128, fp)) {
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key = 0;
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q = strdup(temp);
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q = strtok(q, tokens);
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while (key >= 0 && keys[key].label) {
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if ((!strcmp(q, keys[key].label))) {
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p = strstr(temp, keys[key].label);
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p += strlen(keys[key].label);
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p += strspn(p, tokens);
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if ((i = strcspn(p, "#\n"))) p[i] = 0;
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free(*keys[key].var);
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*keys[key].var = strdup(p);
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key = -1;
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} else key++;
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}
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free(q);
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}
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fclose(fp);
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}
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}
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/*******************************************************************************\
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|* parse_rcfile2 *|
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\*******************************************************************************/
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void parse_rcfile2(const char *filename, rckeys2 *keys) {
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char *p;
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char temp[128];
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char *tokens = " :\t\n";
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FILE *fp;
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int i,key;
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char *family = NULL;
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fp = fopen(filename, "r");
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if (fp) {
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while (fgets(temp, 128, fp)) {
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key = 0;
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while (key >= 0 && keys[key].label) {
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if ((p = strstr(temp, keys[key].label))) {
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p += strlen(keys[key].label);
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p += strspn(p, tokens);
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if ((i = strcspn(p, "#\n"))) p[i] = 0;
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free(*keys[key].var);
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*keys[key].var = strdup(p);
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key = -1;
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} else key++;
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}
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}
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fclose(fp);
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}
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free(family);
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}
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/*******************************************************************************\
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|* GetXPM *|
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\*******************************************************************************/
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static void GetXPM(XpmIcon *wmgen, char *pixmap_bytes[]) {
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XWindowAttributes attributes;
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int err;
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/* For the colormap */
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XGetWindowAttributes(display, Root, &attributes);
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wmgen->attributes.valuemask |= (XpmReturnPixels | XpmReturnExtensions);
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err = XpmCreatePixmapFromData(display, Root, pixmap_bytes, &(wmgen->pixmap),
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&(wmgen->mask), &(wmgen->attributes));
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if (err != XpmSuccess) {
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fprintf(stderr, "Not enough free colorcells.\n");
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exit(1);
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}
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}
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/*******************************************************************************\
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|* GetColor *|
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\*******************************************************************************/
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static Pixel GetColor(char *name) {
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XColor color;
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XWindowAttributes attributes;
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XGetWindowAttributes(display, Root, &attributes);
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color.pixel = 0;
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if (!XParseColor(display, attributes.colormap, name, &color)) {
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fprintf(stderr, "wm.app: can't parse %s.\n", name);
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} else if (!XAllocColor(display, attributes.colormap, &color)) {
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fprintf(stderr, "wm.app: can't allocate %s.\n", name);
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}
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return color.pixel;
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}
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/*******************************************************************************\
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|* flush_expose *|
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\*******************************************************************************/
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static int flush_expose(Window w) {
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XEvent dummy;
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int i=0;
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while (XCheckTypedWindowEvent(display, w, Expose, &dummy))
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i++;
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return i;
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}
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/*******************************************************************************\
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|* RedrawWindow *|
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\*******************************************************************************/
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void RedrawWindow(void) {
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flush_expose(iconwin);
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XCopyArea(display, wmgen.pixmap, iconwin, NormalGC,
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0,0, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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flush_expose(win);
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XCopyArea(display, wmgen.pixmap, win, NormalGC,
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0,0, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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}
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/*******************************************************************************\
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|* RedrawWindowXY *|
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\*******************************************************************************/
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void RedrawWindowXY(int x, int y) {
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flush_expose(iconwin);
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XCopyArea(display, wmgen.pixmap, iconwin, NormalGC,
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x,y, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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flush_expose(win);
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XCopyArea(display, wmgen.pixmap, win, NormalGC,
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x,y, wmgen.attributes.width, wmgen.attributes.height, 0,0);
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}
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/*******************************************************************************\
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|* AddMouseRegion *|
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\*******************************************************************************/
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void AddMouseRegion(int index, int left, int top, int right, int bottom) {
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if (index < MAX_MOUSE_REGION) {
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mouse_region[index].enable = 1;
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mouse_region[index].top = top;
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mouse_region[index].left = left;
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mouse_region[index].bottom = bottom;
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mouse_region[index].right = right;
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}
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}
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/*******************************************************************************\
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|* CheckMouseRegion *|
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\*******************************************************************************/
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int CheckMouseRegion(int x, int y) {
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int i;
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int found;
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found = 0;
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for (i=0; i<MAX_MOUSE_REGION && !found; i++) {
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if (mouse_region[i].enable &&
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x <= mouse_region[i].right &&
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x >= mouse_region[i].left &&
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y <= mouse_region[i].bottom &&
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y >= mouse_region[i].top)
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found = 1;
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}
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if (!found) return -1;
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return (i-1);
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}
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/*******************************************************************************\
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|* createXBMfromXPM *|
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\*******************************************************************************/
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void createXBMfromXPM(char *xbm, char **xpm, int sx, int sy) {
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int i,j,k;
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int width, height, numcol, depth;
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int zero=0;
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unsigned char bwrite;
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int bcount;
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int curpixel;
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sscanf(*xpm, "%d %d %d %d", &width, &height, &numcol, &depth);
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for (k=0; k!=depth; k++)
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{
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zero <<=8;
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zero |= xpm[1][k];
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}
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for (i=numcol+1; i < numcol+sy+1; i++) {
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bcount = 0;
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bwrite = 0;
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for (j=0; j<sx*depth; j+=depth) {
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bwrite >>= 1;
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curpixel=0;
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for (k=0; k!=depth; k++)
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{
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curpixel <<=8;
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curpixel |= xpm[i][j+k];
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}
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if ( curpixel != zero ) {
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bwrite += 128;
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}
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bcount++;
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if (bcount == 8) {
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*xbm = bwrite;
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xbm++;
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bcount = 0;
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bwrite = 0;
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}
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}
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}
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}
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/*******************************************************************************\
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|* copyXPMArea *|
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\*******************************************************************************/
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void copyXPMArea(int x, int y, int sx, int sy, int dx, int dy) {
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XCopyArea(display, wmgen.pixmap, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
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}
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/*******************************************************************************\
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|* copyXBMArea *|
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\*******************************************************************************/
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void copyXBMArea(int x, int y, int sx, int sy, int dx, int dy) {
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XCopyArea(display, wmgen.mask, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
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}
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/*******************************************************************************\
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|* setMaskXY *|
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\*******************************************************************************/
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void setMaskXY(int x, int y) {
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XShapeCombineMask(display, win, ShapeBounding, x, y, pixmask, ShapeSet);
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XShapeCombineMask(display, iconwin, ShapeBounding, x, y, pixmask, ShapeSet);
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}
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/*******************************************************************************\
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|* openXwindow *|
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\*******************************************************************************/
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void openXwindow(int argc, char *argv[], char *pixmap_bytes[], char *pixmask_bits, int pixmask_width, int pixmask_height) {
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unsigned int borderwidth = 1;
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XClassHint classHint;
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char *display_name = NULL;
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char *wname = argv[0];
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XTextProperty name;
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XGCValues gcv;
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unsigned long gcm;
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char *geometry = NULL;
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int dummy=0;
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int i, wx, wy;
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for (i=1; argv[i]; i++) {
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if (!strcmp(argv[i], "-display")) {
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display_name = argv[i+1];
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if (!display_name)
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printf("Please provide an argument for "
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"-display.\n");
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else
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i++;
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}
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if (!strcmp(argv[i], "-geometry")) {
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geometry = argv[i+1];
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i++;
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}
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}
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if (!(display = XOpenDisplay(display_name))) {
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fprintf(stderr, "%s: can't open display %s\n",
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wname, XDisplayName(display_name));
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exit(1);
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}
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screen = DefaultScreen(display);
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Root = RootWindow(display, screen);
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d_depth = DefaultDepth(display, screen);
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x_fd = XConnectionNumber(display);
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/* Convert XPM to XImage */
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GetXPM(&wmgen, pixmap_bytes);
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/* Create a window to hold the stuff */
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mysizehints.flags = USSize | USPosition;
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mysizehints.x = 0;
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mysizehints.y = 0;
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back_pix = GetColor("white");
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fore_pix = GetColor("black");
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XWMGeometry(display, screen, Geometry, NULL, borderwidth, &mysizehints,
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&mysizehints.x, &mysizehints.y,&mysizehints.width,&mysizehints.height, &dummy);
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mysizehints.width = 64;
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mysizehints.height = 64;
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win = XCreateSimpleWindow(display, Root, mysizehints.x, mysizehints.y,
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mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
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iconwin = XCreateSimpleWindow(display, win, mysizehints.x, mysizehints.y,
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mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
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/* Activate hints */
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XSetWMNormalHints(display, win, &mysizehints);
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classHint.res_name = wname;
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classHint.res_class = wname;
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XSetClassHint(display, win, &classHint);
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XSelectInput(display, win, ButtonPressMask | ExposureMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);
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XSelectInput(display, iconwin, ButtonPressMask | ExposureMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);
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if (XStringListToTextProperty(&wname, 1, &name) == 0) {
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fprintf(stderr, "%s: can't allocate window name\n", wname);
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exit(1);
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}
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XSetWMName(display, win, &name);
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/* Create GC for drawing */
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gcm = GCForeground | GCBackground | GCGraphicsExposures;
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gcv.foreground = fore_pix;
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gcv.background = back_pix;
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gcv.graphics_exposures = 0;
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NormalGC = XCreateGC(display, Root, gcm, &gcv);
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/* ONLYSHAPE ON */
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pixmask = XCreateBitmapFromData(display, win, pixmask_bits, pixmask_width, pixmask_height);
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XShapeCombineMask(display, win, ShapeBounding, 0, 0, pixmask, ShapeSet);
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XShapeCombineMask(display, iconwin, ShapeBounding, 0, 0, pixmask, ShapeSet);
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/* ONLYSHAPE OFF */
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mywmhints.initial_state = WithdrawnState;
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mywmhints.icon_window = iconwin;
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mywmhints.icon_x = mysizehints.x;
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mywmhints.icon_y = mysizehints.y;
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mywmhints.window_group = win;
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mywmhints.flags = StateHint | IconWindowHint | IconPositionHint | WindowGroupHint;
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XSetWMHints(display, win, &mywmhints);
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XSetCommand(display, win, argv, argc);
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XMapWindow(display, win);
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if (geometry) {
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if (sscanf(geometry, "+%d+%d", &wx, &wy) != 2) {
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fprintf(stderr, "Bad geometry string.\n");
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exit(1);
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}
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XMoveWindow(display, win, wx, wy);
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}
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}
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