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gtkslash 0.5.3

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Authors
* Troy Engel <tengel@sonic.net> - Beginning Code
* Bruce Smith <tangomanrulz@geocities.com> - Unix porting

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Crash
* none
Non-Crash
* none

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
675 Mass Ave, Cambridge, MA 02139, USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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Appendix: How to Apply These Terms to Your New Programs
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<one line to give the program's name and a brief idea of what it does.>
Copyright (C) 19yy <name of author>
This program is free software; you can redistribute it and/or modify
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Also add information on how to contact you by electronic and paper mail.
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Gnomovision version 69, Copyright (C) 19yy name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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Sun Dec 13 1998 Troy Engel <tengel@sonic.net>
* versioned to 0.5.3
* initial public release

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########################################################
## Makefile for building gtkSlash.exe with MSVC6
## Use: nmake -f makefile.vc6 [release | debug]
## (default is release)
##
## Comments to: Troy Engel <tengel@sonic.net>
## Adjust these to your machine:
# path to <glib.h>
GLIB = ..\glib
# path to <gtk/gtk.h>
GTK = ..\gtk-plus
# paths to .lib for gtk, gdk and glib
GLIBPATHR = ..\lib_release
GLIBPATHD = ..\lib_debug
########################################################
## Nothing more to do below this line!
## Release
CCR = cl.exe /ML /O2 /D "NDEBUG"
LINKR = link.exe /incremental:no /libpath:$(GLIBPATHR)
## Debug
CCD = cl.exe /MLd /Gm /ZI /Od /D "_DEBUG" /GZ
LINKD = link.exe /incremental:yes /debug /libpath:$(GLIBPATHD)
CFLAGS = /nologo /W3 /GX /D "WIN32" /D "_WINDOWS" /D "_MBCS" /YX /FD /c -I$(GLIB) -I$(GTK)
LFLAGS = /nologo /out:gtkslash.exe /subsystem:windows /machine:I386
LINKLIBS = kernel32.lib glib-1.1.lib gdk-1.1.lib gtk-1.1.lib
all : release
release: gtkslashr.obj rcfuncsr.obj
$(LINKR) $(LFLAGS) $(LINKLIBS) gtkslash.obj rcfuncs.obj
debug: gtkslashd.obj rcfuncsd.obj
$(LINKD) $(LFLAGS) $(LINKLIBS) gtkslash.obj rcfuncs.obj
gtkslashr.obj : gtkslash.c
$(CCR) $(CFLAGS) gtkslash.c
gtkslashd.obj : gtkslash.c
$(CCD) $(CFLAGS) gtkslash.c
rcfuncsr.obj : rcfuncs.c
$(CCR) $(CFLAGS) rcfuncs.c
rcfuncsd.obj : rcfuncs.c
$(CCD) $(CFLAGS) rcfuncs.c
clean:
del gtkslash.exe
del gtkslash.obj
del rcfuncs.obj
del gtkslash.pdb
del gtkslash.ilk
del vc60.idb
del vc60.pdb
del vc60.pch

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Version 0.5.3
* initial public release

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gtkSlash - Slashdot headlines news-ticker
(c) 1998 Troy Engel <tengel@sonic.net>
http://www.sonic.net/~tengel/gtkslash/
-----------------------------------------
12/13/98, v0.5.3
General
-------
This program is based on original code from slashes.pl (c)
1998 Alex Shnitman <alexsh@linux.org.il>. It's very simple -
it reads the 'ultramode.txt' file from /. and gives you a
nice little display unit locally.
gtkSlash requires Gtk+ (http://www.gtk.org) and curl
(http://www.fts.frontec.se/~dast/curl/) for the display and
file retrieval, respectively. Additionally, if you want to
browse a news article from within gtkSlash you'll need some
sort of web browser. Currently it is working just fine with
Gtk 1.1.3 and curl 5.0.
If you are on Windows, the Gtk+ version which has been used is
from Tor Lillqvist; he also ports Gdk and GIMP. If you don't
have these libs, you'll probably need them to compile as I am
unaware of anyone else who's done the porting. You can find
all these at (http://user.sgic.fi/~tml/gimp/win32/). I
developed this whole thing using his libraries from 11/21/98.
Configuration
-------------
The program will read the file ~/.gtkslashrc (*nix) or
~\_gtkslashrc (Windows) upon startup. If this file isn't
found, it will look in /etc/gtkslashrc (*nix) or
<WinDir>\gtkslashrc instead. A sample of this file has been
included as gtkslashrc, and is self-descriptive. Note: if
you want web-browsing capabilities, you have to check this
file and modify it accordingly - there is no default for the
web-browser or curl at this time. A GUI editor for this file
isn't done yet, maybe someday.
Reasons I did things
--------------------
Curl is used specifically here instead of internal routines
because of a fundamental reason: don't reinvent the wheel. :)
Curl handles all kinds of stuff I'm not interested in
(proxies, firewalls, weird ports and socket problems, etc)
and is already portable across all kinds of platforms. It
works great for me on Windows, so I hope it works great for
you. And, uh, I'm a contributing author of sorts. :) (only a
bugfix or two...)

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As of 0.5.3
* *nix portability
* GUI config editor like GIMP

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_gtkslashrc Normal file
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# Configuration file for gtkSlash
#
# System Wide:
# /etc/gtkslashrc
# <windowsdir>\gtkslashrc
#
# Per user:
# <HOME>/.gtkslashrc
# <HOME>\_gtkslashrc
# Number of seconds before a refresh is performed...
# Since ultramode.txt only updates once in 30 minutes,
# the timeout is set to that value.
# Default: 1800
refresh-timeout 1800
# Netscape command, %s is replaced by the URL
# Default: none
browser-cmd "D:\Netscape\Program\netscape.exe %s"
#browser-cmd "/usr/X11R6/bin/netscape -remote 'OpenURL(%s, new_window)'";
# Curl command, %s is replaced by ~/ultramode.tmp
# Default: none
curl-cmd "C:\Util\curl.exe -s -o %s http://slashdot.org/ultramode.txt"
#curl-cmd "/usr/local/bin/curl -s -o %s http://slashdot.org/ultramode.txt"
# If you'd like to run gtkslash in "compact" mode (without
# the buttons on the bottom & the column titles, and
# launching an article upon a click on its row) set this
# variable to ON. Default: OFF
compact-mode OFF
# Number of fields in ultramode.txt, delimited by the %%
# identifier. There are 9 fields per record as of 12/9/98.
# Default: 9
num-fields 9
# If you want the comments displayed 'flat' (ie, not in
# a threaded treeview mode) when going to /., set this to ON.
# Default: OFF
comments-flat OFF

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/* gtkSlash - Slashdot headlines news-ticker
* (c) 1998 Troy Engel <tengel@sonic.net>
*
* Based on original code from slashes.pl
* (c) 1998 Alex Shnitman <alexsh@linux.org.il>
*
* Other cool code from gRun
* (c) 1998 Southern Gold Development <tangomanrulz@geocities.com>
*
* This code is distributed under the terms of the GNU
* General Public License, etc etc. Use it, don't abuse it.
* See the file "Copying" for the entire GNU Public
* License policy.
*/
/* just what it says - good for layout development
* just remember to turn it off :P */
/* #define _LOCAL_TEST_MODE */
#include <gtk/gtk.h>
#ifdef WIN32
#include <windows.h>
#define DIR_CHAR "\\"
#define DOT_CHAR "_"
#else
/* TODO: add appropriate unix headers */
#include <unistd.h>
#define DIR_CHAR "/"
#define DOT_CHAR "."
/* these two allow Win people to "hide" a cmdline
* app. Provided here just so it works (could be used
* for the same thing in 'startApp' on unix?)
*/
#define SW_SHOWDEFAULT 0
#define SW_HIDE 0
#endif
#include "rcfuncs.h"
#define MAX_BUFF 1024
#define APP_RC "gtkslashrc"
/* localization, anyone? */
#define MSG_TITLE "Slashdot Headlines"
#define MSG_INIT "Initializing..."
#define MSG_LOAD "Loading ultramode.txt..."
#define MSG_LOAD_ERR "Error loading ultramode.txt!"
#define MSG_RETRIEVE "Retrieving latest ultramode.txt..."
#define MSG_RETR_ERR "Error retrieving ultramode.txt!"
#define MSG_LAUNCH "Launching web browser..."
#define MSG_LAUNCH_ERR "Error launching browser!"
#define MSG_IDLE "Status: Idle (gtkSlash 0.5.3)"
/* read in from the RC file */
static gint refresh_timeout;
static gchar browser_cmd[MAX_BUFF];
static gchar curl_cmd[MAX_BUFF];
static BOOL compact_mode;
static gint num_fields;
static GtkWidget *status;
static BOOL comments_flat;
/* retrieves a line from a linefeed delimited textfile */
gchar *app_getLine(FILE *file) {
char *tmp, in;
int cnt = 0, retIn;
if (feof(file)) {
return NULL;
}
else {
tmp = g_malloc(sizeof(char) * MAX_BUFF);
retIn = fread((void *) &in, sizeof(char), 1, file);
if (retIn != 1) {
g_free(tmp);
return NULL;
}
while ((in != '\n') && (cnt < MAX_BUFF)) {
tmp[cnt] = in;
cnt++;
retIn = fread((void *) &in, sizeof(char), 1, file);
if (retIn != 1) {
g_free(tmp);
return NULL;
}
}
if (cnt == MAX_BUFF) {
g_free(tmp);
return NULL;
}
tmp[cnt] = '\0';
return tmp;
}
}
/* loads ultramode.txt into our clist */
BOOL app_loadFile(GtkWidget *list, const gchar *fname) {
gchar *line;
gchar *article[4], *link;
FILE *fHnd;
gint i;
fHnd = fopen(fname, "rb");
if (!fHnd) {
return FALSE;
}
line = app_getLine(fHnd);
if (!line) {
fclose(fHnd);
return FALSE;
}
/* loop till we find the first record delim */
while (strncmp(line, "%%", 2) != 0) {
line = app_getLine(fHnd);
}
gtk_clist_clear(GTK_CLIST(list));
gtk_clist_freeze(GTK_CLIST(list));
while (line) {
for (i = 0 ; i<num_fields; i++) {
line = app_getLine(fHnd);
if (line) {
switch (i) {
case 0: /* title */
article[0] = line;
break;
case 1: /* link */
link = line;
break;
case 3: /* author */
article[1] = line;
break;
case 5: /* topic */
article[2] = line;
break;
case 6: /* numcomments */
article[3] = line;
break;
}
}
}
if (line) {
int index;
index = gtk_clist_append(GTK_CLIST(list), article);
gtk_clist_set_row_data(GTK_CLIST(list), index, link);
}
line = app_getLine(fHnd);
}
fclose(fHnd);
gtk_clist_thaw(GTK_CLIST(list));
return TRUE;
}
/* launches a given app */
BOOL app_startApp(const gchar *cmd, BOOL bWait, WORD wShowState) {
#ifndef WIN32
char **args, *work, *twrk, **awrk;
int cnt, len, scnt, pid, term;
pid = fork();
if (pid == 0) {
pid = fork();
if (pid == 0) {
len = strlen(cmd);
scnt = 1;
for (cnt = 0; cnt < len; cnt++) {
if (cmd[cnt] == ' ') {
scnt++;
}
}
args = g_malloc(sizeof(char *) * (scnt + 1));
args[scnt] = NULL;
if (scnt == 1) {
args[0] = g_malloc(sizeof(char) * (len + 1));
strcpy(args[0], cmd);
}
else {
work = g_malloc(sizeof(char) * (len + 1));
strcpy(work, cmd);
twrk = (char *) strsep(&work, " ");
args[0] = twrk;
cnt = 1;
while (twrk) {
twrk = (char *) strsep(&work, " ");
args[cnt] = twrk;
cnt++;
}
args[cnt] = work;
}
/* TODO: wait for curl to finish on unix */
execvp(args[0], args);
return TRUE;
}
else {
return FALSE;
}
}
#else /* Win32 */
STARTUPINFO startupinfo;
PROCESS_INFORMATION processinfo;
startupinfo.cb = sizeof (STARTUPINFO);
startupinfo.lpReserved = NULL;
startupinfo.lpDesktop = NULL;
startupinfo.lpTitle = NULL;
startupinfo.dwFlags = STARTF_USESHOWWINDOW;
startupinfo.wShowWindow = wShowState;
startupinfo.cbReserved2 = 0;
startupinfo.lpReserved2 = NULL;
if (!CreateProcess (NULL, (gchar *)cmd, NULL, NULL,
TRUE, NORMAL_PRIORITY_CLASS, NULL,
NULL, &startupinfo, &processinfo)) {
g_message ("CreateProcess failed\n");
return FALSE;
}
CloseHandle (processinfo.hThread);
if (bWait)
WaitForSingleObject(processinfo.hProcess, INFINITE);
return TRUE;
#endif /* WIN32 */
}
/* uses curl to get ultramode from the web */
BOOL app_getFile(const gchar *fname) {
gchar cmd[MAX_BUFF];
sprintf(cmd, curl_cmd, fname);
if (!app_startApp(cmd, TRUE, SW_HIDE))
return FALSE;
return TRUE;
}
BOOL app_isZeroByte(const gchar *fname) {
FILE *fHnd;
gint ch = 0;
fHnd = fopen(fname, "rb");
if (!fHnd) {
return TRUE;
}
ch = fgetc(fHnd);
if (ch == EOF) {
fclose(fHnd);
return TRUE;
}
fclose(fHnd);
return FALSE;
}
gint app_timer_idle(gpointer data) {
gtk_label_set(GTK_LABEL(status), MSG_IDLE);
return 0;
}
gint app_exit(GtkWidget *widget, GdkEvent *event, gpointer data) {
gtk_main_quit();
exit(0);
return FALSE;
}
gint app_timer_refresh(GtkWidget *list) {
gchar *home_env, *fname;
gint retval;
#ifdef WIN32
gchar mypath[MAX_BUFF];
#endif
home_env = getenv("HOME");
#ifdef WIN32 /* no HOME dir */
if (home_env == NULL) {
gchar *cutme;
GetModuleFileName(NULL, mypath, sizeof(mypath));
cutme = strrchr(mypath, '\\');
mypath[cutme - mypath] = '\0';
home_env = mypath;
}
#endif
fname = g_malloc(sizeof(char) * (strlen(home_env) + 15));
strcpy(fname, home_env);
strcat(fname, DIR_CHAR);
strcat(fname, "ultramode.tmp");
gtk_list_clear_items (GTK_LIST(list), 0, -1);
retval = TRUE;
#ifndef _LOCAL_TEST_MODE
remove(fname);
gtk_label_set(GTK_LABEL(status), MSG_RETRIEVE);
if (!app_getFile(fname) || app_isZeroByte(fname)) {
gtk_label_set(GTK_LABEL(status), MSG_RETR_ERR);
retval = FALSE;
}
#endif
gtk_label_set(GTK_LABEL(status), MSG_LOAD);
if (retval && !app_loadFile(list, fname)) {
gtk_label_set(GTK_LABEL(status), MSG_LOAD_ERR);
retval = FALSE;
}
#ifndef _LOCAL_TEST_MODE
remove(fname);
#endif
g_free(fname);
if (retval)
gtk_label_set(GTK_LABEL(status), MSG_IDLE);
else
gtk_timeout_add(1000*5, app_timer_idle, NULL);
return retval;
}
gint app_refresh(GtkWidget *widget, GtkWidget *list) {
return app_timer_refresh(list);
}
/* launch our article */
gint app_article_browse(GtkWidget *widget, gpointer data) {
gchar *url;
gchar cmd[MAX_BUFF];
url = gtk_clist_get_row_data(GTK_CLIST(data), GTK_CLIST(data)->focus_row);
if (comments_flat) {
gchar *tmp;
tmp = strrchr(url, '.');
url[tmp - url] = '\0';
strcat(url, "_F.shtml");
}
sprintf(cmd, browser_cmd, url);
gtk_label_set(GTK_LABEL(status), MSG_LAUNCH);
if (!app_startApp(cmd, FALSE, SW_SHOWDEFAULT))
gtk_label_set(GTK_LABEL(status), MSG_LAUNCH_ERR);
gtk_timeout_add(1000*5, app_timer_idle, NULL);
return FALSE;
}
/* sorting */
void app_click_column(GtkCList *clist, gint column, gpointer data) {
if (column == clist->sort_column) {
clist->sort_type = (clist->sort_type == GTK_SORT_ASCENDING) ?
GTK_SORT_DESCENDING : GTK_SORT_ASCENDING;
} else {
gtk_clist_set_sort_column (clist, column);
}
gtk_clist_sort(clist);
}
BOOL app_parse_rc() {
gchar *home_env, *fname;
gint retval;
home_env = getenv("HOME");
fname = g_malloc(sizeof(gchar) * (strlen(home_env) + 15));
strcpy(fname, home_env);
strcat(fname, DIR_CHAR);
strcat(fname, DOT_CHAR);
strcat(fname, APP_RC);
retval = RCInit(fname);
g_free(fname);
/* if no personal file, look for system */
if (!retval) {
#ifdef WIN32
gchar tmp[MAX_BUFF];
GetWindowsDirectory(tmp, sizeof(tmp));
fname = g_malloc(sizeof(gchar) * (sizeof(tmp) + 1 + sizeof(APP_RC)));
strcpy(fname, tmp);
#else
fname = g_malloc(sizeof(gchar) * (4 + 1 + strlen(APP_RC)));
strcpy(fname, "/etc");
#endif
strcat(fname, DIR_CHAR);
strcat(fname, APP_RC);
retval = RCInit(fname);
g_free(fname);
}
refresh_timeout = RCGetInt("timeout-refresh", 1800);
compact_mode = RCGetBool("compact-mode", FALSE);
num_fields = RCGetInt("num-fields", 9);
RCGetString("browser-cmd", browser_cmd, "", sizeof(browser_cmd));
RCGetString("curl-cmd", curl_cmd, "", sizeof(curl_cmd));
comments_flat = RCGetBool("comments-flat", FALSE);
RCShutDown();
return retval;
}
void app_window() {
GtkWidget *window, *vbox, *clist, *scrolled_win;
gchar *titles[4] = {"Title", "Author", "Topic", "Comments"};
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), MSG_TITLE);
gtk_signal_connect(GTK_OBJECT(window), "destroy", (GtkSignalFunc) app_exit, NULL);
gtk_widget_set_usize(GTK_WIDGET(window), 550, 155);
gtk_window_set_policy(GTK_WINDOW (window), TRUE, TRUE, TRUE);
vbox = gtk_vbox_new(FALSE, 5);
gtk_container_border_width (GTK_CONTAINER(vbox), 5);
gtk_container_add(GTK_CONTAINER(window), vbox);
gtk_widget_show(vbox);
clist = gtk_clist_new_with_titles(4, titles);
gtk_clist_set_selection_mode(GTK_CLIST(clist), GTK_SELECTION_BROWSE);
gtk_clist_set_column_width(GTK_CLIST(clist), 0, 250);
gtk_clist_set_column_width(GTK_CLIST(clist), 1, 70);
gtk_clist_set_column_width(GTK_CLIST(clist), 2, 100);
gtk_clist_set_column_width(GTK_CLIST(clist), 3, 10);
gtk_signal_connect(GTK_OBJECT (clist), "click_column",
(GtkSignalFunc)app_click_column, NULL);
gtk_widget_show(clist);
scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_win),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(scrolled_win), clist);
gtk_box_pack_start(GTK_BOX(vbox), scrolled_win, TRUE, TRUE, 0);
gtk_widget_show(scrolled_win);
if (!compact_mode) {
GtkWidget *hbox, *but;
hbox = gtk_hbox_new(FALSE, 0);
but = gtk_button_new_with_label("Refresh");
gtk_widget_set_usize(GTK_WIDGET(but), 70, 24);
gtk_signal_connect(GTK_OBJECT(but), "clicked", (GtkSignalFunc) app_refresh, clist);
gtk_box_pack_start(GTK_BOX(hbox), but, FALSE, FALSE, 0);
gtk_widget_show(but);
but = gtk_button_new_with_label("Read");
gtk_widget_set_usize(GTK_WIDGET(but), 70, 24);
gtk_signal_connect(GTK_OBJECT(but), "clicked", (GtkSignalFunc) app_article_browse, (gpointer)clist);
gtk_box_pack_start(GTK_BOX(hbox), but, FALSE, FALSE, 0);
gtk_widget_show(but);
status = gtk_label_new(MSG_INIT);
gtk_box_pack_start(GTK_BOX(hbox), status, FALSE, FALSE, 10);
gtk_widget_show(status);
but = gtk_button_new_with_label("Quit");
gtk_widget_set_usize(GTK_WIDGET(but), 70, 24);
gtk_signal_connect(GTK_OBJECT(but), "clicked", (GtkSignalFunc) app_exit, NULL);
gtk_box_pack_end(GTK_BOX(hbox), but, FALSE, FALSE, 0);
gtk_widget_show(but);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show(hbox);
} else {
gtk_clist_column_titles_hide(GTK_CLIST(clist));
gtk_signal_connect(GTK_OBJECT(GTK_CLIST(clist)->selection), "select_row", (GtkSignalFunc) app_article_browse, (gpointer)clist);
status = gtk_label_new("");
}
gtk_timeout_add(1000*refresh_timeout, app_timer_refresh, clist);
gtk_widget_show(window);
gtk_widget_draw_children(window);
app_refresh(NULL, clist);
}
#ifdef WIN32
int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmdLine, int nShowCmd) {
#else
void main(int argc, char **argv) {
#endif
#ifdef WIN32
/* parse into a command line ala argv, argc */
char **argv, *work, *twrk;
int cnt, len, argc;
len = strlen(lpCmdLine);
argc = 0;
for (cnt = 0; cnt < len; cnt++) {
if (lpCmdLine[cnt] == ' ') {
argc++;
}
}
argv = g_malloc(sizeof(char *) * (argc + 1));
argv[argc] = NULL;
if (argc == 1) {
argv[0] = g_malloc(sizeof(char) * (len + 1));
strcpy(argv[0], lpCmdLine);
}
else {
work = g_malloc(sizeof(char) * (len + 1));
strcpy(work, lpCmdLine);
twrk = (char *) strtok(work, " ");
argv[0] = twrk;
cnt = 1;
while (twrk) {
twrk = (char *) strtok(NULL, " ");
argv[cnt] = twrk;
cnt++;
}
argv[cnt] = work;
}
#endif /* WIN32 */
gtk_init(&argc, &argv);
app_parse_rc();
app_window();
gtk_main();
}

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/*
* rcfuncs - routines to parse generic RC files
* tengel@sonic.net
*
* This is taken from the LiteStep Shell Source code
* (http://www.litestep.net) and modified a bunch to meet
* our RC needs along with using gdk.
*
* This code is distributed under the terms of the GNU
* General Public License, etc etc. Use it, don't abuse it.
* See the file "Copying" for the entire GNU Public
* License policy.
*/
#include <gdk/gdk.h>
#ifdef WIN32
#include <windows.h>
#endif
#include <stdio.h>
#include <string.h>
#include "rcfuncs.h"
#ifndef MAX_BUFF
#define MAX_BUFF 1024
#endif
static gchar **RCBuffer = NULL;
static gint RCLen = 0;
FILE* RCOpen(const gchar *szFile)
{
FILE *f = NULL;
if (!szFile)
return f;
/* make sure to open in text mode; in MS ANSI C,
* this will map our \n and \r\n for us. Valid
* in unix? */
f = fopen(szFile, "rt");
if (f)
fseek(f, 0, SEEK_SET);
return f;
}
BOOL RCClose(FILE *f)
{
if (f)
fclose (f);
return TRUE;
}
/* Parses szString, splitting it up into tokens. Pays
* attention to single and double quotes. */
gint RCTokenize(const gchar *szString, gchar **lpszBuffers, DWORD dwNumBuffers, gchar *szExtraParameters)
{
gint index = 0;
gchar quoteChar = 0;
gchar buffer[MAX_BUFF];
gchar output[MAX_BUFF];
gchar *pOutput = NULL;
DWORD dwBufferCount = 0;
strcpy(buffer, szString);
pOutput = output;
while (buffer[index] && dwBufferCount < dwNumBuffers) {
BOOL skipWhitespace = FALSE;
switch (buffer[index]) {
case '"':
case '\'':
{
if (!quoteChar) {
quoteChar = buffer[index];
break;
} else {
if (quoteChar == buffer[index]) {
quoteChar = 0;
strcpy (*lpszBuffers, output);
lpszBuffers++;
dwBufferCount++;
if (dwBufferCount < dwNumBuffers)
(*lpszBuffers)[0] = '\0';
pOutput = output;
*pOutput = '\0';
skipWhitespace = TRUE;
break;
} else {
*pOutput++ = buffer[index];
*pOutput = '\0';
break;
}
}
}
case ' ':
case '\t':
{
if (!quoteChar) {
if (strlen (output)) {
strcpy (*lpszBuffers, output);
lpszBuffers++;
dwBufferCount++;
if (dwBufferCount < dwNumBuffers)
(*lpszBuffers)[0] = '\0';
pOutput = output;
*pOutput = '\0';
skipWhitespace = TRUE;
}
} else {
*pOutput++ = buffer[index];
*pOutput = '\0';
}
break;
}
default:
{
*pOutput++ = buffer[index];
*pOutput = '\0';
break;
}
}
index++;
if (skipWhitespace) {
while(isspace(buffer[index])) {
index++;
}
}
}
if (strlen (output)) {
if (dwBufferCount < dwNumBuffers) {
dwBufferCount++;
strcat(*lpszBuffers, output);
}
}
if (szExtraParameters && dwBufferCount == dwNumBuffers)
strcpy (szExtraParameters, buffer + index);
return dwBufferCount;
}
gchar* RCFindLine(const gchar *lpKeyName)
{
gint i;
gint l = strlen(lpKeyName);
for (i = 0; i < RCLen; i++) {
if (!strnicmp(RCBuffer[i], lpKeyName, l))
return RCBuffer[i];
}
return (gchar *) 0;
}
gint RCGetInt(const gchar *lpKeyName, gint nDefault)
{
gint val = nDefault;
gchar *line = NULL;
gchar token1[MAX_BUFF], token2[MAX_BUFF];
gchar *tokens[2];
tokens[0] = token1;
tokens[1] = token2;
line = RCFindLine(lpKeyName);
if (line) {
gint count = 0;
token1[0] = token2[0] = '\0';
count = RCTokenize(line, tokens, 2, NULL);
if (count < 2)
return val;
val = atoi(token2);
}
return val;
}
BOOL RCGetBool(const gchar *lpKeyName, BOOL ifFound)
{
gchar token1[MAX_BUFF], token2[MAX_BUFF];
gchar *tokens[2];
gchar *line = NULL;
tokens[0] = token1;
tokens[1] = token2;
line = RCFindLine(lpKeyName);
if (line) {
gint count = 0;
token1[0] = token2[0] = '\0';
count = RCTokenize (line, tokens, 2, NULL);
if (count < 2)
return ifFound;
if (strnicmp (token2, "OFF", 3) == 0)
return FALSE;
else
return TRUE; /* ON */
}
return (ifFound);
}
BOOL RCGetString(const gchar *lpKeyName, gchar *value, const gchar *defStr, gint maxLen)
{
gchar token1[MAX_BUFF], token2[MAX_BUFF];
gchar *tokens[2];
gchar *line = NULL;
tokens[0] = token1;
tokens[1] = token2;
strncpy(value, defStr, maxLen);
line = RCFindLine(lpKeyName);
if (line) {
gint count = 0;
token1[0] = token2[0] = '\0';
count = RCTokenize (line, tokens, 2, NULL);
if (count < 2)
return FALSE;
RCVarExpansion(value, token2);
return TRUE;
}
return FALSE;
}
void RCVarExpansion(gchar *buffer, const gchar *value)
{
gint i=0, j=0;
gchar *startDollar, *endDollar;
gchar *string1;
gchar buf[255];
gchar buf2[255];
strcpy(buffer, value);
if (startDollar = strchr(value, '$')) {
if (endDollar = strchr(&startDollar[1], '$')) {
i = strlen(startDollar) - strlen(endDollar) - 1;
j = strlen(value) - strlen(startDollar);
string1 = startDollar;
string1++;
strncpy(buf, string1, i);
buf[i]='\0';
RCGetString(buf, buf2, buf, 255);
if (value != startDollar) {
strncpy(buffer, value, j);
buffer[j] = '\0';
} else {
strcpy(buffer, "");
}
strcat(buffer, buf2);
strcat(buffer, ++endDollar);
}
}
}
BOOL RCReadNextLine (FILE *f, gchar *szBuffer, DWORD dwLength)
{
while (f && !feof (f)) {
gint length;
if (!fgets(szBuffer, dwLength, f))
break;
length = strlen(szBuffer);
// Skip any leading and trailing whitespace
while (length && isspace(szBuffer[0])) {
length--;
strcpy(szBuffer, szBuffer + 1);
}
while (length && isspace(szBuffer[length-1]))
szBuffer[--length] = '\0';
if (length && szBuffer[0] != '#')
return TRUE;
}
return FALSE;
}
BOOL RCInit(const gchar *szPath)
{
FILE* rc;
gchar buffer[MAX_BUFF];
if (RCLen)
return FALSE;
rc = RCOpen(szPath);
if (!(rc))
return FALSE;
while (RCReadNextLine(rc, buffer, sizeof (buffer))) {
gchar *temp;
if (buffer[0] == '*')
continue;
temp = g_malloc(strlen(buffer) + 1);
strcpy(temp, buffer);
if (!RCBuffer)
RCBuffer = g_malloc((RCLen + 1) * sizeof(gchar *));
else
RCBuffer = g_realloc(RCBuffer, (RCLen + 1) * sizeof(gchar *));
RCBuffer[RCLen++] = temp;
}
return RCClose(rc);
}
void RCShutDown(void)
{
gint loop;
for (loop = 0; loop < RCLen; ++loop)
g_free(RCBuffer[loop]);
if (RCBuffer) {
g_free(RCBuffer);
RCBuffer = NULL;
}
RCLen = 0;
}

38
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#ifndef _RCFUNCS_H_
#define _RCFUNCS_H_
/*
* rcfuncs - routines to parse generic RC files
* tengel@sonic.net
*
* This is taken from the LiteStep Shell Source code
* (http://www.litestep.net) and modified a bunch to meet
* our RC needs along with using gdk.
*
* This code is distributed under the terms of the GNU
* General Public License, etc etc. Use it, don't abuse it.
* See the file "Copying" for the entire GNU Public
* License policy.
*/
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
FILE* RCOpen(const gchar *szFile);
BOOL RCClose(FILE *f);
gint RCTokenize(const gchar *szString, gchar **lpszBuffers, DWORD dwNumBuffers, gchar *szExtraParameters);
gchar* RCFindLine(const gchar *lpKeyName);
gint RCGetInt(const gchar *lpKeyName, gint nDefault);
BOOL RCGetBool(const gchar *lpKeyName, BOOL ifFound);
BOOL RCGetString(const gchar *lpKeyName, gchar *value, const gchar *defStr, gint maxLen);
void RCVarExpansion(gchar *buffer, const gchar *value);
BOOL RCReadNextLine (FILE *f, gchar *szBuffer, DWORD dwLength);
BOOL RCInit(const gchar *szPath);
void RCShutDown(void);
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* _RCFUNCS_H_ */