netsurf/gtk/gtk_gui.c

317 lines
6.8 KiB
C

/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
*/
#define _GNU_SOURCE /* for strndup */
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>
#include <curl/curl.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include "netsurf/content/content.h"
#include "netsurf/content/fetch.h"
#include "netsurf/content/urldb.h"
#include "netsurf/desktop/401login.h"
#include "netsurf/desktop/browser.h"
#include "netsurf/desktop/gui.h"
#include "netsurf/desktop/netsurf.h"
#include "netsurf/desktop/options.h"
#include "netsurf/gtk/gtk_gui.h"
#include "netsurf/render/box.h"
#include "netsurf/render/form.h"
#include "netsurf/render/html.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/utf8.h"
#include "netsurf/utils/utils.h"
/* Where to search for shared resources. Must have trailing / */
#define RESPATH "/usr/share/netsurf/"
bool gui_in_multitask = false;
char *default_stylesheet_url;
char *adblock_stylesheet_url;
struct gui_window *search_current_window = 0;
/**
* Locate a shared resource file by searching known places in order.
*
* \param buf buffer to write to. must be at least PATH_MAX chars
* \param filename file to look for
* \param def default to return if file not found
* \return buf
*
* Search order is: ~/.netsurf/, $NETSURFRES/ (where NETSURFRES is an
* environment variable), and finally the path specified by the #define
* at the top of this file.
*/
static char *find_resource(char *buf, const char *filename, const char *def)
{
char *cdir = getenv("HOME");
if (cdir != NULL) {
strcpy(buf, cdir);
strcat(buf, "/.netsurf/");
strcat(buf, filename);
if (access(buf, R_OK) == 0)
return buf;
}
cdir = getenv("NETSURFRES");
if (cdir != NULL) {
strcpy(buf, cdir);
strcat(buf, "/");
strcat(buf, filename);
if (access(buf, R_OK) == 0)
return buf;
}
strcpy(buf, RESPATH);
strcat(buf, filename);
if (access(buf, R_OK) == 0)
return buf;
strcpy(buf, def);
return buf;
}
static char *path_to_url(const char *path)
{
char *r = malloc(strlen(path) + 7 + 1);
strcpy(r, "file://");
strcat(r, path);
return r;
}
void gui_init(int argc, char** argv)
{
char buf[PATH_MAX];
gtk_init(&argc, &argv);
find_resource(buf, "Choices", "Choices");
LOG(("Using '%s' as Choices file", buf));
options_read(buf);
if (!option_cookie_file) {
find_resource(buf, "Cookies", "Cookies");
LOG(("Using '%s' as Cookies file", buf));
option_cookie_file = strdup(buf);
}
if (!option_cookie_jar) {
find_resource(buf, "Cookies", "Cookies");
LOG(("Using '%s' as Cookie Jar file", buf));
option_cookie_jar = strdup(buf);
}
if (!option_cookie_file || !option_cookie_jar)
die("Failed initialising cookie options");
find_resource(buf, "messages", "messages");
LOG(("Using '%s' as Messages file", buf));
messages_load(buf);
/* set up stylesheet urls */
find_resource(buf, "Default.css", "Default.css");
default_stylesheet_url = path_to_url(buf);
LOG(("Using '%s' as Default CSS URL", default_stylesheet_url));
find_resource(buf, "AdBlock.css", "AdBlock.css");
adblock_stylesheet_url = path_to_url(buf);
LOG(("Using '%s' as AdBlock CSS URL", adblock_stylesheet_url));
}
void gui_init2(int argc, char** argv)
{
const char *addr = "http://netsurf.sourceforge.net/";
if (option_homepage_url != NULL)
addr = option_homepage_url;
if (argc > 1) addr = argv[1];
browser_window_create(addr, 0, 0, true);
}
void gui_poll(bool active)
{
CURLMcode code;
fd_set read_fd_set, write_fd_set, exc_fd_set;
int max_fd;
GPollFD *fd_list[1000];
unsigned int fd_count = 0;
if (active) {
fetch_poll();
FD_ZERO(&read_fd_set);
FD_ZERO(&write_fd_set);
FD_ZERO(&exc_fd_set);
code = curl_multi_fdset(fetch_curl_multi,
&read_fd_set,
&write_fd_set,
&exc_fd_set,
&max_fd);
assert(code == CURLM_OK);
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;
}
}
}
gtk_main_iteration_do(true);
for (unsigned int i = 0; i != fd_count; i++) {
g_main_context_remove_poll(0, fd_list[i]);
free(fd_list[i]);
}
}
void gui_multitask(void)
{
gui_in_multitask = true;
while (gtk_events_pending())
gtk_main_iteration();
gui_in_multitask = false;
}
void gui_quit(void)
{
free(default_stylesheet_url);
free(adblock_stylesheet_url);
free(option_cookie_file);
free(option_cookie_jar);
}
struct gui_download_window *gui_download_window_create(const char *url,
const char *mime_type, struct fetch *fetch,
unsigned int total_size)
{
return 0;
}
void gui_download_window_data(struct gui_download_window *dw, const char *data,
unsigned int size)
{
}
void gui_download_window_error(struct gui_download_window *dw,
const char *error_msg)
{
}
void gui_download_window_done(struct gui_download_window *dw)
{
}
void gui_create_form_select_menu(struct browser_window *bw,
struct form_control *control)
{
}
void gui_launch_url(const char *url)
{
}
bool gui_search_term_highlighted(struct gui_window *g,
unsigned start_offset, unsigned end_offset,
unsigned *start_idx, unsigned *end_idx)
{
return false;
}
void warn_user(const char *warning, const char *detail)
{
}
void die(const char * const error)
{
fprintf(stderr, error);
exit(EXIT_FAILURE);
}
void hotlist_visited(struct content *content)
{
}
void gui_401login_open(struct browser_window *bw, struct content *c,
const char *realm) {}
void gui_cert_verify(struct browser_window *bw, struct content *c,
const struct ssl_cert_info *certs, unsigned long num) {}
void global_history_add(const char *url) {}
utf8_convert_ret utf8_to_local_encoding(const char *string, size_t len,
char **result)
{
assert(string && result);
if (len == 0)
len = strlen(string);
*result = strndup(string, len);
if (!(*result))
return UTF8_CONVERT_NOMEM;
return UTF8_CONVERT_OK;
}
utf8_convert_ret utf8_from_local_encoding(const char *string, size_t len,
char **result)
{
assert(string && result);
if (len == 0)
len = strlen(string);
*result = strndup(string, len);
if (!(*result))
return UTF8_CONVERT_NOMEM;
return UTF8_CONVERT_OK;
}