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/*
* XDU - X Window System Interface.
*
* We hide all of the X hieroglyphics inside of this module.
*
* Phillip C. Dykstra
* <phil@arl.mil>
* 4 Sep 1991.
*
* Copyright (c) Phillip C. Dykstra 1991, 1993, 1994
* The X Consortium, and any party obtaining a copy of these files from
* the X Consortium, directly or indirectly, is granted, free of charge, a
* full and unrestricted irrevocable, world-wide, paid up, royalty-free,
* nonexclusive right and license to deal in this software and
* documentation files (the "Software"), including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons who receive
* copies from any such party to do so. This license includes without
* limitation a license to do the foregoing actions under any patents of
* the party supplying this software to the X Consortium.
*/
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/AsciiSrc.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Label.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h> /* for exit() */
/* IMPORTS: routines that this module vectors out to */
int press(int x, int y);
int reset(void);
int repaint(int width, int height);
int setorder(char *op);
int reorder(char *op);
int nodeinfo(void);
int helpinfo(void);
extern int ncols;
/* internal routines */
static void help_popup();
static void help_popdown();
void xrepaint(void);
void xrepaint_noclear(void);
static String fallback_resources[] = {
"*window.width: 600",
"*window.height: 480",
"*help.width: 500",
"*help.height: 330",
"*order: first",
NULL
};
/* Application Resources */
typedef struct {
Pixel foreground;
Pixel background;
XFontStruct *font;
int ncol;
Boolean showsize;
Boolean human;
char *order;
} res_data, *res_data_ptr;
static res_data res;
static XtResource application_resources[] = {
{ XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
XtOffset(res_data_ptr,foreground), XtRString, XtDefaultForeground},
{ XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel),
XtOffset(res_data_ptr,background), XtRString, XtDefaultBackground},
{ XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *),
XtOffset(res_data_ptr,font), XtRString, XtDefaultFont },
{ "ncol", "Ncol", XtRInt, sizeof(int),
XtOffset(res_data_ptr,ncol), XtRString, "5"},
{ "showsize", "ShowSize", XtRBoolean, sizeof(Boolean),
XtOffset(res_data_ptr,showsize), XtRString, "True"},
{ "human", "Human", XtRBoolean, sizeof(Boolean),
XtOffset(res_data_ptr,human), XtRString, "True"},
{ "order", "Order", XtRString, sizeof(String),
XtOffset(res_data_ptr,order), XtRString, "first"}
};
/* Command Line Options */
static XrmOptionDescRec options[] = {
{"-c", "*ncol", XrmoptionSepArg, NULL},
{"+s", "*showsize", XrmoptionNoArg, "True"},
{"-s", "*showsize", XrmoptionNoArg, "False"},
{"+h", "*human", XrmoptionNoArg, "True"},
{"-h", "*human", XrmoptionNoArg, "False"},
{"-n", "*order", XrmoptionNoArg, "size"},
{"-rn", "*order", XrmoptionNoArg, "rsize"},
{"-a", "*order", XrmoptionNoArg, "alpha"},
{"-ra", "*order", XrmoptionNoArg, "ralpha"}
};
/* action routines */
static void a_goto();
static void a_reset();
static void a_quit();
static void a_reorder();
static void a_size();
static void a_human();
static void a_ncol();
static void a_info();
static void a_help();
static void a_removehelp();
static XtActionsRec actionsTable[] = {
{ "reset", a_reset },
{ "goto", a_goto },
{ "quit", a_quit },
{ "reorder", a_reorder },
{ "size", a_size },
{ "human", a_human },
{ "ncol", a_ncol },
{ "info", a_info },
{ "help", a_help },
{ "RemoveHelp", a_removehelp }
};
static char defaultTranslations[] = "\
<Key>Q: quit()\n\
<Key>Escape: quit()\n\
:<Key>/: reset()\n\
<Key>S: size()\n\
<Key>H: human()\n\
<Key>I: info()\n\
<Key>Help: help()\n\
:<Key>?: help()\n\
<Key>A: reorder(alpha)\n\
<Key>N: reorder(size)\n\
<Key>F: reorder(first)\n\
<Key>L: reorder(last)\n\
<Key>R: reorder(reverse)\n\
<Key>1: ncol(1)\n\
<Key>2: ncol(2)\n\
<Key>3: ncol(3)\n\
<Key>4: ncol(4)\n\
<Key>5: ncol(5)\n\
<Key>6: ncol(6)\n\
<Key>7: ncol(7)\n\
<Key>8: ncol(8)\n\
<Key>9: ncol(9)\n\
<Key>0: ncol(10)\n\
<Btn1Down>: goto()\n\
<Btn2Down>: reset()\n\
<Btn3Down>: quit()\n\
";
/* action routines */
static void
a_quit(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
XtDestroyApplicationContext(XtWidgetToApplicationContext(w));
exit(0);
}
static void
a_goto(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
press(event->xbutton.x, event->xbutton.y);
}
static void
a_reset(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
reset();
}
static void
a_reorder(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
if (*num_params != 1) {
fprintf(stderr, "xdu: bad number of params to reorder action\n");
} else {
reorder(*params);
}
}
static void
a_size(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
if (res.showsize)
res.showsize = 0;
else
res.showsize = 1;
xrepaint();
}
static void
a_human(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
if (res.human)
res.human = 0;
else
res.human = 1;
xrepaint();
}
static void
a_ncol(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
int n;
if (*num_params != 1) {
fprintf(stderr, "xdu: bad number of params to ncol action\n");
return;
}
n = atoi(*params);
if (n < 1 || n > 1000) {
fprintf(stderr, "xdu: bad value to ncol action\n");
return;
}
ncols = res.ncol = n;
xrepaint();
}
static void
a_info(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
nodeinfo();
}
static void
a_help(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
/*helpinfo();*/
help_popup();
}
static void
a_removehelp(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
help_popdown();
}
/* callback routines */
static void
c_resize(Widget w, XtPointer data, XEvent *event, Boolean *continue_to_dispatch)
{
/*printf("Resize\n");*/
xrepaint();
}
static void
c_repaint(Widget w, XtPointer data, XEvent *event, Boolean *continue_to_dispatch)
{
/*printf("Expose\n");*/
xrepaint_noclear();
}
/* X Window related variables */
static Display *dpy;
static int screen;
static Visual *vis;
static Window win;
static GC gc;
static XtAppContext app_con;
Widget toplevel;
/* External Functions */
void
xsetup(int *argcp, char **argv)
{
XtTranslations trans_table;
Widget w;
XGCValues gcv;
int n;
Arg args[5];
/* Create the top level Widget */
n = 0;
XtSetArg(args[n], XtNtitle, "XDU Disk Usage Display ('?' for help)"); n++;
toplevel = XtAppInitialize(&app_con, "XDu",
options, XtNumber(options),
argcp, argv,
fallback_resources, args, n);
XtGetApplicationResources(toplevel, (XtPointer)&res,
application_resources, XtNumber(application_resources),
NULL, 0 );
XtAppAddActions(app_con, actionsTable, XtNumber(actionsTable));
trans_table = XtParseTranslationTable(defaultTranslations);
/* Create a simple Label class widget to draw in */
n = 0;
XtSetArg(args[n], XtNlabel, ""); n++;
w = XtCreateManagedWidget("window", labelWidgetClass, toplevel,
args, n);
/* events */
XtAddEventHandler(w, ExposureMask, False, c_repaint, NULL);
XtAddEventHandler(w, StructureNotifyMask, False, c_resize, NULL);
XtAugmentTranslations(w, trans_table);
XtRealizeWidget(toplevel);
/* We need these for the raw Xlib calls */
win = XtWindow(w);
dpy = XtDisplay(w);
screen = DefaultScreen(dpy);
vis = DefaultVisual(dpy,screen);
gcv.foreground = res.foreground;
gcv.background = res.background;
gcv.font = res.font->fid;
gc = XCreateGC(dpy, win, (GCFont|GCForeground|GCBackground), &gcv);
setorder(res.order);
ncols = res.ncol;
}
int
xmainloop(void)
{
XtAppMainLoop(app_con);
return(0);
}
void
xclear(void)
{
XClearWindow(dpy, win);
}
void
xrepaint(void)
{
XWindowAttributes xwa;
XClearWindow(dpy, win);
XGetWindowAttributes(dpy, win, &xwa);
repaint(xwa.width, xwa.height);
}
void
xrepaint_noclear(void)
{
XWindowAttributes xwa;
XGetWindowAttributes(dpy, win, &xwa);
repaint(xwa.width, xwa.height);
}
void
xdrawrect(char *name, off_t size, int x, int y, int width, int height)
{
int textx, texty;
char label[1024];
XCharStruct overall;
int ascent, descent, direction;
int cheight;
/*printf("draw(%d,%d,%d,%d)\n", x, y, width, height );*/
XDrawRectangle(dpy, win, gc, x, y, width, height);
if (res.showsize) {
if (res.human) {
double d = size;
const char *u = "KMGTPEZY";
while (d >= 1024) {
u++;
d /= 1024.0;
}
sprintf(label,"%s (%.1f%c)", name, d, *u);
} else {
sprintf(label,"%s (%jd)", name, (intmax_t)size);
}
name = label;
}
XTextExtents(res.font, name, strlen(name), &direction,
&ascent, &descent, &overall);
cheight = overall.ascent + overall.descent;
if (height < (cheight + 2))
return;
/* print label */
textx = x + 4;
texty = y + height/2.0 + (overall.ascent - overall.descent)/2.0 + 1.5;
XDrawString(dpy, win, gc, textx, texty, name, strlen(name));
}
static Widget popup;
static void
help_popup(void)
{
Widget form, text, src;
Arg args[15];
int n;
Atom wm_delete_window;
XtTranslations trans_table;
if (popup != NULL) {
XtPopup(popup, XtGrabNone);
return;
}
/* popup shell */
n = 0;
XtSetArg(args[n], XtNtitle, "XDU Help"); n++;
popup = XtCreatePopupShell("helpPopup", transientShellWidgetClass,
toplevel, args, n);
/* form container */
n = 0;
XtSetArg(args[n], XtNborderWidth, 0); n++;
XtSetArg(args[n], XtNdefaultDistance, 0); n++;
form = XtCreateManagedWidget("form", formWidgetClass,
popup, args, n);
/* text widget in form */
n = 0;
XtSetArg(args[n], XtNborderWidth, 0); n++;
XtSetArg(args[n], XtNresize, XawtextResizeBoth); n++;
/* fallback resources weren't working here on the Sun */
XtSetArg(args[n], XtNwidth, 500); n++;
XtSetArg(args[n], XtNheight, 330); n++;
text = XtCreateManagedWidget("help", asciiTextWidgetClass,
form, args, n);
/* create text source */
n = 0;
XtSetArg(args[n], XtNtype, XawAsciiString); n++;
XtSetArg(args[n], XtNeditType, XawtextRead); n++;
XtSetArg(args[n], XtNstring, "\
XDU Version 3.0 - Phil Dykstra <phil@arl.mil>\n\
\n\
Keyboard Commands\n\
a sort alphabetically\n\
n sort numerically (largest first)\n\
f sort first-in-first-out\n\
l sort last-in-first-out\n\
r reverse sort\n\
s toggle size display\n\
h toggle human readable sizes\n\
/ goto the root\n\
i node info to standard out\n\
? this help message\n\
q quit (also Escape)\n\
0-9 set number of columns (0=10)\n\
\n\
Mouse Commands\n\
Left Goto node (goto parent if leftmost box)\n\
Middle Back to root\n\
Right Quit\n\
"); n++;
src = XtCreateWidget("textSource", asciiSrcObjectClass,
text, args, n);
/* set text source */
XawTextSetSource(text, src, 0);
XtRealizeWidget(popup);
XtPopup(popup, XtGrabNone);
trans_table = XtParseTranslationTable("<Key>Q: RemoveHelp()");
XtAugmentTranslations(form, trans_table);
XtOverrideTranslations(text, trans_table);
/* Set up ICCCM delete window */
wm_delete_window = XInternAtom(XtDisplay(popup), "WM_DELETE_WINDOW", False);
XtOverrideTranslations(popup, XtParseTranslationTable("<Message>WM_PROTOCOLS: RemoveHelp()"));
XSetWMProtocols(XtDisplay(popup), XtWindow(popup), &wm_delete_window, 1);
}
static void
help_popdown(void)
{
XtPopdown(popup);
}
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