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/*
* Copyright 2004-2010 James Bursa <bursa@users.sourceforge.net>
* Copyright 2010 Vincent Sanders <vince@debian.org>
* Copyright 2004-2009 John-Mark Bell <jmb@netsurf-browser.org>
* Copyright 2009 Paul Blokus <paul_pl@users.sourceforge.net>
* Copyright 2006-2009 Daniel Silverstone <dsilvers@netsurf-browser.org>
* Copyright 2006-2008 Rob Kendrick <rjek@netsurf-browser.org>
* Copyright 2008 John Tytgat <joty@netsurf-browser.org>
* Copyright 2008 Adam Blokus <adamblokus@gmail.com>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <gtk/gtk.h>
#include "utils/filepath.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
#include "utils/file.h"
#include "utils/nsoption.h"
#include "content/fetchers.h"
#include "content/hlcache.h"
#include "content/urldb.h"
#include "content/backing_store.h"
#include "desktop/browser.h"
#include "desktop/save_complete.h"
#include "desktop/save_pdf.h"
#include "desktop/searchweb.h"
#include "desktop/sslcert_viewer.h"
#include "desktop/tree.h"
#include "desktop/gui_misc.h"
#include "desktop/netsurf.h"
#include "gtk/compat.h"
#include "gtk/completion.h"
#include "gtk/cookies.h"
#include "gtk/download.h"
#include "gtk/fetch.h"
#include "gtk/gui.h"
#include "gtk/history.h"
#include "gtk/hotlist.h"
#include "gtk/throbber.h"
#include "gtk/treeview.h"
#include "gtk/window.h"
#include "gtk/schedule.h"
#include "gtk/selection.h"
#include "gtk/search.h"
bool nsgtk_complete = false;
char *toolbar_indices_file_location;
char *res_dir_location;
char *languages_file_location;
char *themelist_file_location;
char *nsgtk_config_home; /* exported global defined in gtk/gui.h */
GdkPixbuf *favicon_pixbuf; /* favicon default pixbuf */
struct glade_file_location_s *glade_file_location;
static GtkWindow *nsgtk_warning_window;
GtkWidget *widWarning;
static void nsgtk_ssl_accept(GtkButton *w, gpointer data);
static void nsgtk_ssl_reject(GtkWidget *w, gpointer data);
static gboolean nsgtk_ssl_delete_event(GtkWidget *w, GdkEvent *event,
gpointer data);
#define THROBBER_FRAMES 9
char **respaths; /** resource search path vector */
/**
* Cause an abnormal program termination.
*
* \note This never returns and is intended to terminate without any cleanup.
*
* \param error The message to display to the user.
*/
static void die(const char * const error)
{
fprintf(stderr, "%s", error);
exit(EXIT_FAILURE);
}
/** Create an array of valid paths to search for resources.
*
* The idea is that all the complex path computation to find resources
* is performed here, once, rather than every time a resource is
* searched for.
*/
static char **
nsgtk_init_resource(const char *resource_path)
{
const gchar * const *langv;
char **pathv; /* resource path string vector */
char **respath; /* resource paths vector */
pathv = filepath_path_to_strvec(resource_path);
langv = g_get_language_names();
respath = filepath_generate(pathv, langv);
filepath_free_strvec(pathv);
return respath;
}
/* This is an ugly hack to just get the new-style throbber going.
* It, along with the PNG throbber loader, need making more generic.
*/
static bool nsgtk_throbber_init(char **respath, int framec)
{
char **filenames;
char targetname[PATH_MAX];
int frame_num;
bool ret;
filenames = calloc(framec, sizeof(char *));
if (filenames == NULL)
return false;
for (frame_num = 0; frame_num < framec; frame_num++) {
snprintf(targetname, PATH_MAX, "throbber/throbber%d.png", frame_num);
filenames[frame_num] = filepath_find(respath, targetname);
}
ret = nsgtk_throbber_initialise_from_png(frame_num, filenames);
for (frame_num = 0; frame_num < framec; frame_num++) {
free(filenames[frame_num]);
}
free(filenames);
return ret;
}
#define NEW_GLADE_ERROR_SIZE 128
static char *
nsgtk_new_ui(char **respath, const char *name, GtkBuilder **pglade)
{
GtkBuilder *builder;
GError* error = NULL;
char *filepath;
char errorstr[NEW_GLADE_ERROR_SIZE];
char resname[PATH_MAX];
#if GTK_CHECK_VERSION(3,0,0)
int gtkv = 3;
#else
int gtkv = 2;
#endif
snprintf(resname, PATH_MAX, "%s.gtk%d.ui", name, gtkv);
filepath = filepath_find(respath, resname);
if (filepath == NULL) {
snprintf(errorstr, NEW_GLADE_ERROR_SIZE,
"Unable to locate %s glade template file.\n", name);
die(errorstr);
}
builder = gtk_builder_new();
if (!gtk_builder_add_from_file(builder, filepath, &error)) {
g_warning ("Couldn't load builder file: %s", error->message);
g_error_free (error);
snprintf(errorstr, NEW_GLADE_ERROR_SIZE,
"Unable to load glade %s window definitions.\n", name);
die(errorstr);
}
gtk_builder_connect_signals(builder, NULL);
LOG(("Using '%s' as %s ui template file", filepath, name));
if (pglade != NULL) {
*pglade = builder;
} else {
/* release our reference to the builder if it is not
* being used.
*/
g_object_unref(G_OBJECT(builder));
}
return filepath;
}
/**
* Load definitions from glade files.
*/
static void
nsgtk_init_glade(char **respath)
{
GtkBuilder *gladeWarning;
glade_file_location = calloc(1, sizeof(struct glade_file_location_s));
if (glade_file_location == NULL) {
die("Unable to allocate glade file locations");
}
glade_file_location->netsurf = nsgtk_new_ui(respath, "netsurf", NULL);
glade_file_location->tabcontents = nsgtk_new_ui(respath, "tabcontents", NULL);
glade_file_location->password = nsgtk_new_ui(respath, "password", NULL);
glade_file_location->login = nsgtk_new_ui(respath, "login", NULL);
glade_file_location->ssl = nsgtk_new_ui(respath, "ssl", NULL);
glade_file_location->toolbar = nsgtk_new_ui(respath, "toolbar", NULL);
glade_file_location->downloads = nsgtk_new_ui(respath, "downloads", NULL);
glade_file_location->history = nsgtk_new_ui(respath, "history", NULL);
glade_file_location->options = nsgtk_new_ui(respath, "options", NULL);
glade_file_location->hotlist = nsgtk_new_ui(respath, "hotlist", NULL);
glade_file_location->cookies = nsgtk_new_ui(respath, "cookies", NULL);
glade_file_location->viewdata = nsgtk_new_ui(respath, "viewdata", NULL);
glade_file_location->warning = nsgtk_new_ui(respath, "warning", &gladeWarning);
nsgtk_warning_window = GTK_WINDOW(gtk_builder_get_object(gladeWarning, "wndWarning"));
widWarning = GTK_WIDGET(gtk_builder_get_object(gladeWarning, "labelWarning"));
}
/**
* Set option defaults for gtk frontend.
*
* @param defaults The option table to update.
* @return error status.
*/
static nserror set_defaults(struct nsoption_s *defaults)
{
char *fname;
/* cookie file default */
fname = NULL;
netsurf_mkpath(&fname, NULL, 2, nsgtk_config_home, "Cookies");
if (fname != NULL) {
nsoption_setnull_charp(cookie_file, fname);
}
/* cookie jar default */
fname = NULL;
netsurf_mkpath(&fname, NULL, 2, nsgtk_config_home, "Cookies");
if (fname != NULL) {
nsoption_setnull_charp(cookie_jar, fname);
}
/* url database default */
fname = NULL;
netsurf_mkpath(&fname, NULL, 2, nsgtk_config_home, "URLs");
if (fname != NULL) {
nsoption_setnull_charp(url_file, fname);
}
/* bookmark database default */
fname = NULL;
netsurf_mkpath(&fname, NULL, 2, nsgtk_config_home, "Hotlist");
if (fname != NULL) {
nsoption_setnull_charp(hotlist_path, fname);
}
/* download directory default */
fname = getenv("HOME");
if (fname != NULL) {
nsoption_setnull_charp(downloads_directory, strdup(fname));
}
/* default path to certificates */
nsoption_setnull_charp(ca_path, strdup("/etc/ssl/certs"));
if ((nsoption_charp(cookie_file) == NULL) ||
(nsoption_charp(cookie_jar) == NULL) ||
(nsoption_charp(url_file) == NULL) ||
(nsoption_charp(hotlist_path) == NULL) ||
(nsoption_charp(downloads_directory) == NULL) ||
(nsoption_charp(ca_path) == NULL)) {
LOG(("Failed initialising default resource paths"));
return NSERROR_BAD_PARAMETER;
}
/* set default font names */
nsoption_set_charp(font_sans, strdup("Sans"));
nsoption_set_charp(font_serif, strdup("Serif"));
nsoption_set_charp(font_mono, strdup("Monospace"));
nsoption_set_charp(font_cursive, strdup("Serif"));
nsoption_set_charp(font_fantasy, strdup("Serif"));
return NSERROR_OK;
}
/**
* Initialize GTK interface.
*/
static nserror nsgtk_init(int argc, char** argv, char **respath)
{
char buf[PATH_MAX];
char *resource_filename;
char *addr = NULL;
nsurl *url;
nserror error;
/* find the languages file */
languages_file_location = filepath_find(respath, "languages");
if ((languages_file_location == NULL) ||
(strlen(languages_file_location) < 10)) {
die("Unable to find resources.\n");
}
/* find the theme list file */
themelist_file_location = filepath_find(respath, "themelist");
if ((themelist_file_location != NULL) &&
(strlen(themelist_file_location) < 10)) {
free(themelist_file_location);
themelist_file_location = NULL;
}
if (themelist_file_location == NULL) {
LOG(("Unable to find themelist - disabling"));
}
/* Obtain resources path location.
*
* Uses the directory the languages file was found in,
* @todo find and slaughter all references to this!
*/
res_dir_location = calloc(1, strlen(languages_file_location) - 8);
memcpy(res_dir_location,
languages_file_location,
strlen(languages_file_location) - 9);
LOG(("Using '%s' for resource path", res_dir_location));
/* initialise the glade templates */
nsgtk_init_glade(respath);
/* set default icon if its available */
resource_filename = filepath_find(respath, "netsurf.xpm");
if (resource_filename != NULL) {
gtk_window_set_default_icon_from_file(resource_filename, NULL);
free(resource_filename);
}
/* Search engine sources */
resource_filename = filepath_find(respath, "SearchEngines");
search_web_init(resource_filename);
if (resource_filename != NULL) {
LOG(("Using '%s' as Search Engines file", resource_filename));
free(resource_filename);
}
/* Default favicon */
resource_filename = filepath_find(respath, "favicon.png");
if (resource_filename != NULL) {
favicon_pixbuf = gdk_pixbuf_new_from_file(resource_filename, NULL);
free(resource_filename);
if (favicon_pixbuf == NULL) {
favicon_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, 16,16);
}
}
/* Toolbar inicies file */
toolbar_indices_file_location = filepath_find(respath, "toolbarIndices");
LOG(("Using '%s' as custom toolbar settings file", toolbar_indices_file_location));
/* load throbber images */
if (nsgtk_throbber_init(respath, THROBBER_FRAMES) == false)
die("Unable to load throbber image.\n");
/* Initialise completions - cannot fail */
nsgtk_completion_init();
filepath_sfinddef(respath, buf, "mime.types", "/etc/");
gtk_fetch_filetype_init(buf);
save_complete_init();
urldb_load(nsoption_charp(url_file));
urldb_load_cookies(nsoption_charp(cookie_file));
/* The tree view system needs to know the screen's DPI, so we
* find that out here, rather than when we create a first browser
* window.
*/
browser_set_dpi(gdk_screen_get_resolution(gdk_screen_get_default()));
LOG(("Set CSS DPI to %d", browser_get_dpi()));
if (nsgtk_history_init(glade_file_location->history) == false)
die("Unable to initialise history window.\n");
if (nsgtk_download_init(glade_file_location->downloads) == false)
die("Unable to initialise download window.\n");
if (nsgtk_cookies_init(glade_file_location->cookies) == false)
die("Unable to initialise cookies window.\n");
if (nsgtk_hotlist_init(glade_file_location->hotlist) == false)
die("Unable to initialise hotlist window.\n");
/* If there is a url specified on the command line use it */
if (argc > 1) {
struct stat fs;
if (stat(argv[1], &fs) == 0) {
size_t addrlen;
char *rp = realpath(argv[1], NULL);
assert(rp != NULL);
/* calculate file url length including terminator */
addrlen = SLEN("file://") + strlen(rp) + 1;
addr = malloc(addrlen);
assert(addr != NULL);
snprintf(addr, addrlen, "file://%s", rp);
free(rp);
} else {
addr = strdup(argv[1]);
}
}
if (addr != NULL) {
/* managed to set up based on local launch */
} else if (nsoption_charp(homepage_url) != NULL) {
addr = strdup(nsoption_charp(homepage_url));
} else {
addr = strdup(NETSURF_HOMEPAGE);
}
/* create an initial browser window */
error = nsurl_create(addr, &url);
if (error == NSERROR_OK) {
error = browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
NULL);
nsurl_unref(url);
}
free(addr);
return error;
}
/**
* Ensures output logging stream is correctly configured
*/
static bool nslog_stream_configure(FILE *fptr)
{
/* set log stream to be non-buffering */
setbuf(fptr, NULL);
return true;
}
/**
* Run the gtk event loop.
*
* The same as the standard gtk_main loop except this ensures active
* FD are added to the gtk poll event set.
*/
static void nsgtk_main(void)
{
fd_set read_fd_set, write_fd_set, exc_fd_set;
int max_fd;
GPollFD *fd_list[1000];
unsigned int fd_count;
while (!nsgtk_complete) {
max_fd = -1;
fd_count = 0;
FD_ZERO(&read_fd_set);
FD_ZERO(&write_fd_set);
FD_ZERO(&exc_fd_set);
fetcher_fdset(&read_fd_set, &write_fd_set, &exc_fd_set, &max_fd);
for (int i = 0; i <= max_fd; i++) {
if (FD_ISSET(i, &read_fd_set)) {
GPollFD *fd = malloc(sizeof *fd);
fd->fd = i;
fd->events = G_IO_IN | G_IO_HUP | G_IO_ERR;
g_main_context_add_poll(0, fd, 0);
fd_list[fd_count++] = fd;
}
if (FD_ISSET(i, &write_fd_set)) {
GPollFD *fd = malloc(sizeof *fd);
fd->fd = i;
fd->events = G_IO_OUT | G_IO_ERR;
g_main_context_add_poll(0, fd, 0);
fd_list[fd_count++] = fd;
}
if (FD_ISSET(i, &exc_fd_set)) {
GPollFD *fd = malloc(sizeof *fd);
fd->fd = i;
fd->events = G_IO_ERR;
g_main_context_add_poll(0, fd, 0);
fd_list[fd_count++] = fd;
}
}
schedule_run();
gtk_main_iteration();
for (unsigned int i = 0; i != fd_count; i++) {
g_main_context_remove_poll(0, fd_list[i]);
free(fd_list[i]);
}
}
}
static void gui_quit(void)
{
LOG(("Quitting GUI"));
/* Ensure all scaffoldings are destroyed before we go into exit */
nsgtk_download_destroy();
urldb_save_cookies(nsoption_charp(cookie_jar));
urldb_save(nsoption_charp(url_file));
nsgtk_cookies_destroy();
nsgtk_history_destroy();
nsgtk_hotlist_destroy();
free(toolbar_indices_file_location);
free(nsgtk_config_home);
gtk_fetch_filetype_fin();
}
static nserror gui_launch_url(struct nsurl *url)
{
gboolean ok;
GError *error = NULL;
ok = nsgtk_show_uri(NULL, nsurl_access(url), GDK_CURRENT_TIME, &error);
if (ok == TRUE) {
return NSERROR_OK;
}
if (error) {
warn_user(messages_get("URIOpenError"), error->message);
g_error_free(error);
}
return NSERROR_NO_FETCH_HANDLER;
}
void warn_user(const char *warning, const char *detail)
{
char buf[300]; /* 300 is the size the RISC OS GUI uses */
LOG(("%s %s", warning, detail ? detail : ""));
fflush(stdout);
snprintf(buf, sizeof(buf), "%s %s", messages_get(warning),
detail ? detail : "");
buf[sizeof(buf) - 1] = 0;
gtk_label_set_text(GTK_LABEL(widWarning), buf);
gtk_widget_show_all(GTK_WIDGET(nsgtk_warning_window));
}
static void gui_cert_verify(nsurl *url, const struct ssl_cert_info *certs,
unsigned long num, nserror (*cb)(bool proceed, void *pw),
void *cbpw)
{
static struct nsgtk_treeview *ssl_window;
struct sslcert_session_data *data;
GtkButton *accept, *reject;
void **session;
GtkWindow *window;
GtkScrolledWindow *scrolled;
GtkDrawingArea *drawing_area;
GError* error = NULL;
GtkBuilder* builder;
/* state while window is open */
session = calloc(sizeof(void *), 3);
if (session == NULL) {
return;
}
builder = gtk_builder_new ();
if (!gtk_builder_add_from_file(builder, glade_file_location->ssl, &error)) {
g_warning("Couldn't load builder file: %s", error->message);
g_error_free(error);
free(session);
return;
}
sslcert_viewer_create_session_data(num, url, cb, cbpw, certs, &data);
ssl_current_session = data;
window = GTK_WINDOW(gtk_builder_get_object(builder, "wndSSLProblem"));
scrolled = GTK_SCROLLED_WINDOW(gtk_builder_get_object(builder, "SSLScrolled"));
drawing_area = GTK_DRAWING_AREA(gtk_builder_get_object(builder, "SSLDrawingArea"));
ssl_window = nsgtk_treeview_create(TREE_SSLCERT, window, scrolled,
drawing_area);
if (ssl_window == NULL) {
free(session);
return;
}
accept = GTK_BUTTON(gtk_builder_get_object(builder, "sslaccept"));
reject = GTK_BUTTON(gtk_builder_get_object(builder, "sslreject"));
session[0] = builder;
session[1] = ssl_window;
session[2] = data;
#define CONNECT(obj, sig, callback, ptr) \
g_signal_connect(G_OBJECT(obj), (sig), G_CALLBACK(callback), (ptr))
CONNECT(accept, "clicked", nsgtk_ssl_accept, session);
CONNECT(reject, "clicked", nsgtk_ssl_reject, session);
CONNECT(window, "delete_event", G_CALLBACK(nsgtk_ssl_delete_event),
(gpointer)session);
gtk_widget_show(GTK_WIDGET(window));
}
void nsgtk_ssl_accept(GtkButton *w, gpointer data)
{
void **session = data;
GtkBuilder *x = session[0];
struct nsgtk_treeview *wnd = session[1];
struct sslcert_session_data *ssl_data = session[2];
sslcert_viewer_accept(ssl_data);
nsgtk_treeview_destroy(wnd);
g_object_unref(G_OBJECT(x));
free(session);
}
void nsgtk_ssl_reject(GtkWidget *w, gpointer data)
{
void **session = data;
GtkBuilder *x = session[0];
struct nsgtk_treeview *wnd = session[1];
struct sslcert_session_data *ssl_data = session[2];
sslcert_viewer_reject(ssl_data);
nsgtk_treeview_destroy(wnd);
g_object_unref(G_OBJECT(x));
free(session);
}
gboolean nsgtk_ssl_delete_event(GtkWidget *w, GdkEvent *event, gpointer data)
{
nsgtk_ssl_reject(w, data);
return FALSE;
}
static void nsgtk_PDF_set_pass(GtkButton *w, gpointer data)
{
char **owner_pass = ((void **)data)[0];
char **user_pass = ((void **)data)[1];
GtkWindow *wnd = ((void **)data)[2];
GtkBuilder *gladeFile = ((void **)data)[3];
char *path = ((void **)data)[4];
char *op, *op1;
char *up, *up1;
op = strdup(gtk_entry_get_text(
GTK_ENTRY(gtk_builder_get_object(gladeFile,
"entryPDFOwnerPassword"))));
op1 = strdup(gtk_entry_get_text(
GTK_ENTRY(gtk_builder_get_object(gladeFile,
"entryPDFOwnerPassword1"))));
up = strdup(gtk_entry_get_text(
GTK_ENTRY(gtk_builder_get_object(gladeFile,
"entryPDFUserPassword"))));
up1 = strdup(gtk_entry_get_text(
GTK_ENTRY(gtk_builder_get_object(gladeFile,
"entryPDFUserPassword1"))));
if (op[0] == '\0') {
gtk_label_set_text(GTK_LABEL(gtk_builder_get_object(gladeFile,
"labelInfo")),
"Owner password must be at least 1 character long:");
free(op);
free(up);
} else if (!strcmp(op, up)) {
gtk_label_set_text(GTK_LABEL(gtk_builder_get_object(gladeFile,
"labelInfo")),
"User and owner passwords must be different:");
free(op);
free(up);
} else if (!strcmp(op, op1) && !strcmp(up, up1)) {
*owner_pass = op;
if (up[0] == '\0')
free(up);
else
*user_pass = up;
free(data);
gtk_widget_destroy(GTK_WIDGET(wnd));
g_object_unref(G_OBJECT(gladeFile));
save_pdf(path);
free(path);
} else {
gtk_label_set_text(GTK_LABEL(gtk_builder_get_object(gladeFile,
"labelInfo")), "Passwords not confirmed:");
free(op);
free(up);
}
free(op1);
free(up1);
}
static void nsgtk_PDF_no_pass(GtkButton *w, gpointer data)
{
GtkWindow *wnd = ((void **)data)[2];
GtkBuilder *gladeFile = ((void **)data)[3];
char *path = ((void **)data)[4];
free(data);
gtk_widget_destroy(GTK_WIDGET(wnd));
g_object_unref(G_OBJECT(gladeFile));
save_pdf(path);
free(path);
}
static void nsgtk_pdf_password(char **owner_pass, char **user_pass, char *path)
{
GtkButton *ok, *no;
GtkWindow *wnd;
void **data;
GtkBuilder *gladeFile;
GError* error = NULL;
gladeFile = gtk_builder_new();
if (!gtk_builder_add_from_file(gladeFile,
glade_file_location->password,
&error)) {
g_warning ("Couldn't load builder file: %s", error->message);
g_error_free (error);
return;
}
wnd = GTK_WINDOW(gtk_builder_get_object(gladeFile, "wndPDFPassword"));
data = malloc(5 * sizeof(void *));
*owner_pass = NULL;
*user_pass = NULL;
data[0] = owner_pass;
data[1] = user_pass;
data[2] = wnd;
data[3] = gladeFile;
data[4] = path;
ok = GTK_BUTTON(gtk_builder_get_object(gladeFile, "buttonPDFSetPassword"));
no = GTK_BUTTON(gtk_builder_get_object(gladeFile, "buttonPDFNoPassword"));
g_signal_connect(G_OBJECT(ok), "clicked",
G_CALLBACK(nsgtk_PDF_set_pass), (gpointer)data);
g_signal_connect(G_OBJECT(no), "clicked",
G_CALLBACK(nsgtk_PDF_no_pass), (gpointer)data);
gtk_widget_show(GTK_WIDGET(wnd));
}
uint32_t gtk_gui_gdkkey_to_nskey(GdkEventKey *key)
{
/* this function will need to become much more complex to support
* everything that the RISC OS version does. But this will do for
* now. I hope.
*/
switch (key->keyval) {
case GDK_KEY(Tab):
return KEY_TAB;
case GDK_KEY(BackSpace):
if (key->state & GDK_SHIFT_MASK)
return KEY_DELETE_LINE_START;
else
return KEY_DELETE_LEFT;
case GDK_KEY(Delete):
if (key->state & GDK_SHIFT_MASK)
return KEY_DELETE_LINE_END;
else
return KEY_DELETE_RIGHT;
case GDK_KEY(Linefeed): return 13;
case GDK_KEY(Return): return 10;
case GDK_KEY(Left): return KEY_LEFT;
case GDK_KEY(Right): return KEY_RIGHT;
case GDK_KEY(Up): return KEY_UP;
case GDK_KEY(Down): return KEY_DOWN;
case GDK_KEY(Home):
if (key->state & GDK_CONTROL_MASK)
return KEY_TEXT_START;
else
return KEY_LINE_START;
case GDK_KEY(End):
if (key->state & GDK_CONTROL_MASK)
return KEY_TEXT_END;
else
return KEY_LINE_END;
case GDK_KEY(Page_Up):
return KEY_PAGE_UP;
case GDK_KEY(Page_Down):
return KEY_PAGE_DOWN;
case 'a':
if (key->state & GDK_CONTROL_MASK)
return KEY_SELECT_ALL;
return gdk_keyval_to_unicode(key->keyval);
case 'u':
if (key->state & GDK_CONTROL_MASK)
return KEY_DELETE_LINE;
return gdk_keyval_to_unicode(key->keyval);
case 'c':
if (key->state & GDK_CONTROL_MASK)
return KEY_COPY_SELECTION;
return gdk_keyval_to_unicode(key->keyval);
case 'v':
if (key->state & GDK_CONTROL_MASK)
return KEY_PASTE;
return gdk_keyval_to_unicode(key->keyval);
case 'x':
if (key->state & GDK_CONTROL_MASK)
return KEY_CUT_SELECTION;
return gdk_keyval_to_unicode(key->keyval);
case 'Z':
case 'y':
if (key->state & GDK_CONTROL_MASK)
return KEY_REDO;
return gdk_keyval_to_unicode(key->keyval);
case 'z':
if (key->state & GDK_CONTROL_MASK)
return KEY_UNDO;
return gdk_keyval_to_unicode(key->keyval);
case GDK_KEY(Escape):
return KEY_ESCAPE;
/* Modifiers - do nothing for now */
case GDK_KEY(Shift_L):
case GDK_KEY(Shift_R):
case GDK_KEY(Control_L):
case GDK_KEY(Control_R):
case GDK_KEY(Caps_Lock):
case GDK_KEY(Shift_Lock):
case GDK_KEY(Meta_L):
case GDK_KEY(Meta_R):
case GDK_KEY(Alt_L):
case GDK_KEY(Alt_R):
case GDK_KEY(Super_L):
case GDK_KEY(Super_R):
case GDK_KEY(Hyper_L):
case GDK_KEY(Hyper_R):
return 0;
default:
return gdk_keyval_to_unicode(key->keyval);
}
}
/**
* create directory name and check it is acessible and a directory.
*/
static nserror
check_dirname(const char *path, const char *leaf, char **dirname_out)
{
nserror ret;
char *dirname = NULL;
struct stat dirname_stat;
ret = netsurf_mkpath(&dirname, NULL, 2, path, leaf);
if (ret != NSERROR_OK) {
return ret;
}
/* ensure access is possible and the entry is actualy
* a directory.
*/
if (stat(dirname, &dirname_stat) == 0) {
if (S_ISDIR(dirname_stat.st_mode)) {
if (access(dirname, R_OK | W_OK) == 0) {
*dirname_out = dirname;
return NSERROR_OK;
} else {
ret = NSERROR_PERMISSION;
}
} else {
ret = NSERROR_NOT_DIRECTORY;
}
} else {
ret = NSERROR_NOT_FOUND;
}
free(dirname);
return ret;
}
/**
* Get the path to the config directory.
*
* @param config_home_out Path to configuration directory.
* @return NSERROR_OK on sucess and \a config_home_out updated else error code.
*/
static nserror get_config_home(char **config_home_out)
{
nserror ret;
char *home_dir;
char *xdg_config_dir;
char *config_home;
home_dir = getenv("HOME");
/* The old $HOME/.netsurf/ directory should be used if it
* exists and is accessible.
*/
if (home_dir != NULL) {
ret = check_dirname(home_dir, ".netsurf", &config_home);
if (ret == NSERROR_OK) {
LOG(("\"%s\"", config_home));
*config_home_out = config_home;
return ret;
}
}
/* $XDG_CONFIG_HOME defines the base directory
* relative to which user specific configuration files
* should be stored.
*/
xdg_config_dir = getenv("XDG_CONFIG_HOME");
if ((xdg_config_dir == NULL) || (*xdg_config_dir == 0)) {
/* If $XDG_CONFIG_HOME is either not set or empty, a
* default equal to $HOME/.config should be used.
*/
/** @todo the meaning of empty is never defined so I
* am assuming it is a zero length string but is it
* supposed to mean "whitespace" and if so what counts
* as whitespace? (are tabs etc. counted or should
* isspace() be used)
*/
/* the HOME envvar is required */
if (home_dir == NULL) {
return NSERROR_NOT_DIRECTORY;
}
ret = check_dirname(home_dir, ".config/netsurf", &config_home);
if (ret != NSERROR_OK) {
return ret;
}
} else {
ret = check_dirname(xdg_config_dir, "netsurf", &config_home);
if (ret != NSERROR_OK) {
return ret;
}
}
LOG(("\"%s\"", config_home));
*config_home_out = config_home;
return NSERROR_OK;
}
static nserror create_config_home(char **config_home_out)
{
char *config_home = NULL;
char *home_dir;
char *xdg_config_dir;
nserror ret;
LOG(("Attempting to create configuration directory"));
/* $XDG_CONFIG_HOME defines the base directory
* relative to which user specific configuration files
* should be stored.
*/
xdg_config_dir = getenv("XDG_CONFIG_HOME");
if ((xdg_config_dir == NULL) || (*xdg_config_dir == 0)) {
home_dir = getenv("HOME");
if ((home_dir == NULL) || (*home_dir == 0)) {
return NSERROR_NOT_DIRECTORY;
}
ret = netsurf_mkpath(&config_home, NULL, 4, home_dir, ".config","netsurf", "/");
if (ret != NSERROR_OK) {
return ret;
}
} else {
ret = netsurf_mkpath(&config_home, NULL, 3, xdg_config_dir, "netsurf", "/");
if (ret != NSERROR_OK) {
return ret;
}
}
/* ensure all elements of path exist (the trailing / is required) */
ret = netsurf_mkdir_all(config_home);
if (ret != NSERROR_OK) {
free(config_home);
return ret;
}
/* strip the trailing separator */
config_home[strlen(config_home) - 1] = 0;
LOG(("\"%s\"", config_home));
*config_home_out = config_home;
return NSERROR_OK;
}
/**
* Get the path to the cache directory.
*
* @param cache_home_out Path to cache directory.
* @return NSERROR_OK on sucess and \a cache_home_out updated else error code.
*/
static nserror get_cache_home(char **cache_home_out)
{
nserror ret;
char *xdg_cache_dir;
char *cache_home;
char *home_dir;
/* $XDG_CACHE_HOME defines the base directory relative to
* which user specific non-essential data files should be
* stored.
*/
xdg_cache_dir = getenv("XDG_CACHE_HOME");
if ((xdg_cache_dir == NULL) || (*xdg_cache_dir == 0)) {
/* If $XDG_CACHE_HOME is either not set or empty, a
* default equal to $HOME/.cache should be used.
*/
home_dir = getenv("HOME");
/* the HOME envvar is required */
if (home_dir == NULL) {
return NSERROR_NOT_DIRECTORY;
}
ret = check_dirname(home_dir, ".cache/netsurf", &cache_home);
if (ret != NSERROR_OK) {
return ret;
}
} else {
ret = check_dirname(xdg_cache_dir, "netsurf", &cache_home);
if (ret != NSERROR_OK) {
return ret;
}
}
LOG(("\"%s\"", cache_home));
*cache_home_out = cache_home;
return NSERROR_OK;
}
static nserror create_cache_home(char **cache_home_out)
{
char *cache_home = NULL;
char *home_dir;
char *xdg_cache_dir;
nserror ret;
LOG(("Attempting to create configuration directory"));
/* $XDG_CACHE_HOME defines the base directory
* relative to which user specific cache files
* should be stored.
*/
xdg_cache_dir = getenv("XDG_CACHE_HOME");
if ((xdg_cache_dir == NULL) || (*xdg_cache_dir == 0)) {
home_dir = getenv("HOME");
if ((home_dir == NULL) || (*home_dir == 0)) {
return NSERROR_NOT_DIRECTORY;
}
ret = netsurf_mkpath(&cache_home, NULL, 4, home_dir, ".cache", "netsurf", "/");
if (ret != NSERROR_OK) {
return ret;
}
} else {
ret = netsurf_mkpath(&cache_home, NULL, 3, xdg_cache_dir, "netsurf", "/");
if (ret != NSERROR_OK) {
return ret;
}
}
/* ensure all elements of path exist (the trailing / is required) */
ret = netsurf_mkdir_all(cache_home);
if (ret != NSERROR_OK) {
free(cache_home);
return ret;
}
/* strip the trailing separator */
cache_home[strlen(cache_home) - 1] = 0;
LOG(("\"%s\"", cache_home));
*cache_home_out = cache_home;
return NSERROR_OK;
}
static nserror nsgtk_option_init(int *pargc, char** argv)
{
nserror ret;
char *choices = NULL;
/* user options setup */
ret = nsoption_init(set_defaults, &nsoptions, &nsoptions_default);
if (ret != NSERROR_OK) {
return ret;
}
/* Attempt to load the user choices */
ret = netsurf_mkpath(&choices, NULL, 2, nsgtk_config_home, "Choices");
if (ret == NSERROR_OK) {
nsoption_read(choices, nsoptions);
free(choices);
}
/* overide loaded options with those from commandline */
nsoption_commandline(pargc, argv, nsoptions);
/* ensure all options fall within sensible bounds */
/* Attempt to handle nonsense status bar widths. These may exist
* in people's Choices as the GTK front end used to abuse the
* status bar width option by using it for an absolute value in px.
* The GTK front end now correctly uses it as a proportion of window
* width. Here we assume that a value of less than 15% is wrong
* and set to the default two thirds. */
if (nsoption_int(toolbar_status_size) < 1500) {
nsoption_set_int(toolbar_status_size, 6667);
}
return NSERROR_OK;
}
static struct gui_browser_table nsgtk_browser_table = {
.schedule = nsgtk_schedule,
.quit = gui_quit,
.launch_url = gui_launch_url,
.cert_verify = gui_cert_verify,
.login = gui_401login_open,
.pdf_password = nsgtk_pdf_password,
};
/**
* Main entry point from OS.
*/
int main(int argc, char** argv)
{
char *messages;
char *cache_home = NULL;
nserror ret;
struct netsurf_table nsgtk_table = {
.browser = &nsgtk_browser_table,
.window = nsgtk_window_table,
.clipboard = nsgtk_clipboard_table,
.download = nsgtk_download_table,
.fetch = nsgtk_fetch_table,
.llcache = filesystem_llcache_table,
.search = nsgtk_search_table,
.search_web = nsgtk_search_web_table,
};
ret = netsurf_register(&nsgtk_table);
if (ret != NSERROR_OK) {
die("NetSurf operation table failed registration\n");
}
/* build the common resource path list */
respaths = nsgtk_init_resource("${HOME}/.netsurf/:${NETSURFRES}:"GTK_RESPATH":./gtk/res");
/* Locate the correct user configuration directory path */
ret = get_config_home(&nsgtk_config_home);
if (ret == NSERROR_NOT_FOUND) {
/* no config directory exists yet so try to create one */
ret = create_config_home(&nsgtk_config_home);
}
if (ret != NSERROR_OK) {
LOG(("Unable to locate a configuration directory."));
nsgtk_config_home = NULL;
}
/* Initialise gtk */
gtk_init(&argc, &argv);
/* initialise logging. Not fatal if it fails but not much we
* can do about it either.
*/
nslog_init(nslog_stream_configure, &argc, argv);
/* Initialise user options */
ret = nsgtk_option_init(&argc, argv);
if (ret != NSERROR_OK) {
fprintf(stderr, "Options failed to initialise (%s)\n",
messages_get_errorcode(ret));
return 1;
}
/* Obtain path to messages */
messages = filepath_find(respaths, "Messages");
/* Locate the correct user cache directory path */
ret = get_cache_home(&cache_home);
if (ret == NSERROR_NOT_FOUND) {
/* no cache directory exists yet so try to create one */
ret = create_cache_home(&cache_home);
}
if (ret != NSERROR_OK) {
LOG(("Unable to locate a cache directory."));
}
/* core initialisation */
ret = netsurf_init(messages, cache_home);
free(messages);
free(cache_home);
if (ret != NSERROR_OK) {
fprintf(stderr, "NetSurf core failed to initialise (%s)\n",
messages_get_errorcode(ret));
return 1;
}
/* run the browser */
ret = nsgtk_init(argc, argv, respaths);
if (ret != NSERROR_OK) {
fprintf(stderr, "NetSurf gtk specific initialise failed (%s)\n",
messages_get_errorcode(ret));
} else {
nsgtk_main();
}
/* common finalisation */
netsurf_exit();
/* finalise options */
nsoption_finalise(nsoptions, nsoptions_default);
return 0;
}
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