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-rw-r--r--frontends/gtk/gui.c1161
1 files changed, 1161 insertions, 0 deletions
diff --git a/frontends/gtk/gui.c b/frontends/gtk/gui.c
new file mode 100644
index 000000000..e705918bc
--- /dev/null
+++ b/frontends/gtk/gui.c
@@ -0,0 +1,1161 @@
+/*
+ * Copyright 2004-2010 James Bursa <bursa@users.sourceforge.net>
+ * Copyright 2010-2016 Vincent Sanders <vince@netsurf-browser.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/textinput.h"
+#include "desktop/tree.h"
+#include "desktop/gui_misc.h"
+#include "desktop/netsurf.h"
+
+#include "gtk/compat.h"
+#include "gtk/warn.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"
+#include "gtk/ssl_cert.h"
+#include "gtk/bitmap.h"
+#include "gtk/resources.h"
+#include "gtk/login.h"
+#include "gtk/layout_pango.h"
+
+bool nsgtk_complete = false;
+
+char *toolbar_indices_file_location;
+
+char *nsgtk_config_home; /* exported global defined in gtk/gui.h */
+
+GdkPixbuf *favicon_pixbuf; /** favicon default pixbuf */
+GdkPixbuf *win_default_icon_pixbuf; /** default window icon pixbuf */
+GdkPixbuf *arrow_down_pixbuf; /** arrow down pixbuf */
+
+GtkBuilder *warning_builder;
+
+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_path(const char *config_home)
+{
+ char *resource_path;
+ int resource_path_len;
+ const gchar * const *langv;
+ char **pathv; /* resource path string vector */
+ char **respath; /* resource paths vector */
+
+ if (config_home != NULL) {
+ resource_path_len = snprintf(NULL, 0,
+ "%s:${NETSURFRES}:%s",
+ config_home,
+ GTK_RESPATH);
+ resource_path = malloc(resource_path_len + 1);
+ if (resource_path == NULL) {
+ return NULL;
+ }
+ snprintf(resource_path, resource_path_len + 1,
+ "%s:${NETSURFRES}:%s",
+ config_home,
+ GTK_RESPATH);
+ } else {
+ resource_path_len = snprintf(NULL, 0,
+ "${NETSURFRES}:%s",
+ GTK_RESPATH);
+ resource_path = malloc(resource_path_len + 1);
+ if (resource_path == NULL) {
+ return NULL;
+ }
+ snprintf(resource_path,
+ resource_path_len + 1,
+ "${NETSURFRES}:%s",
+ GTK_RESPATH);
+ }
+
+ pathv = filepath_path_to_strvec(resource_path);
+
+ langv = g_get_language_names();
+
+ respath = filepath_generate(pathv, langv);
+
+ filepath_free_strvec(pathv);
+
+ free(resource_path);
+
+ return respath;
+}
+
+
+/**
+ * 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;
+
+ error = nsgtk_builder_new_from_resname("warning", &warning_builder);
+ if (error != NSERROR_OK) {
+ LOG("Unable to initialise warning dialog");
+ return error;
+ }
+
+ gtk_builder_connect_signals(warning_builder, NULL);
+
+ /* set default icon if its available */
+ error = nsgdk_pixbuf_new_from_resname("netsurf.xpm",
+ &win_default_icon_pixbuf);
+ if (error == NSERROR_OK) {
+ LOG("Seting default window icon");
+ gtk_window_set_default_icon(win_default_icon_pixbuf);
+ }
+
+ /* 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 */
+ error = nsgdk_pixbuf_new_from_resname("favicon.png", &favicon_pixbuf);
+ if (error != NSERROR_OK) {
+ favicon_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ false, 8, 16, 16);
+ }
+
+ /* arrow down icon */
+ error = nsgdk_pixbuf_new_from_resname("arrow_down_8x32.png",
+ &arrow_down_pixbuf);
+ if (error != NSERROR_OK) {
+ arrow_down_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ false, 8, 8, 32);
+ }
+
+ /* Toolbar inicies file */
+ toolbar_indices_file_location = filepath_find(respath,
+ "toolbarIndices");
+ LOG("Using '%s' as custom toolbar settings file",
+ toolbar_indices_file_location);
+
+ /* initialise throbber */
+ error = nsgtk_throbber_init();
+ if (error != NSERROR_OK) {
+ LOG("Unable to initialise throbber.");
+ return error;
+ }
+
+ /* 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());
+
+ /* Initialise top level UI elements */
+ error = nsgtk_history_init();
+ if (error != NSERROR_OK) {
+ LOG("Unable to initialise global history window.");
+ return error;
+ }
+
+ error = nsgtk_download_init();
+ if (error != NSERROR_OK) {
+ LOG("Unable to initialise download window.");
+ return error;
+ }
+
+ error = nsgtk_cookies_init();
+ if (error != NSERROR_OK) {
+ LOG("Unable to initialise cookies window.");
+ return error;
+ }
+
+ error = nsgtk_hotlist_init();
+ if (error != NSERROR_OK) {
+ LOG("Unable to initialise hotlist window.");
+ return error;
+ }
+
+ /* 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) {
+ nsgtk_warning(messages_get("URIOpenError"), error->message);
+ g_error_free(error);
+ }
+ return NSERROR_NO_FETCH_HANDLER;
+}
+
+/* exported function documented in gtk/warn.h */
+nserror nsgtk_warning(const char *warning, const char *detail)
+{
+ char buf[300]; /* 300 is the size the RISC OS GUI uses */
+ static GtkWindow *nsgtk_warning_window;
+ GtkLabel *WarningLabel;
+
+ LOG("%s %s", warning, detail ? detail : "");
+ fflush(stdout);
+
+ nsgtk_warning_window = GTK_WINDOW(gtk_builder_get_object(warning_builder, "wndWarning"));
+ WarningLabel = GTK_LABEL(gtk_builder_get_object(warning_builder,
+ "labelWarning"));
+
+ snprintf(buf, sizeof(buf), "%s %s", messages_get(warning),
+ detail ? detail : "");
+ buf[sizeof(buf) - 1] = 0;
+
+ gtk_label_set_text(WarningLabel, buf);
+
+ gtk_widget_show_all(GTK_WIDGET(nsgtk_warning_window));
+
+ return NSERROR_OK;
+}
+
+
+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 *password_builder = ((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(password_builder,
+ "entryPDFOwnerPassword"))));
+ op1 = strdup(gtk_entry_get_text(
+ GTK_ENTRY(gtk_builder_get_object(password_builder,
+ "entryPDFOwnerPassword1"))));
+ up = strdup(gtk_entry_get_text(
+ GTK_ENTRY(gtk_builder_get_object(password_builder,
+ "entryPDFUserPassword"))));
+ up1 = strdup(gtk_entry_get_text(
+ GTK_ENTRY(gtk_builder_get_object(password_builder,
+ "entryPDFUserPassword1"))));
+
+
+ if (op[0] == '\0') {
+ gtk_label_set_text(GTK_LABEL(gtk_builder_get_object(password_builder,
+ "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(password_builder,
+ "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(password_builder));
+
+ save_pdf(path);
+
+ free(path);
+ } else {
+ gtk_label_set_text(GTK_LABEL(gtk_builder_get_object(password_builder,
+ "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 *password_builder = ((void **)data)[3];
+ char *path = ((void **)data)[4];
+
+ free(data);
+
+ gtk_widget_destroy(GTK_WIDGET(wnd));
+ g_object_unref(G_OBJECT(password_builder));
+
+ 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 *password_builder;
+ nserror res;
+
+ res = nsgtk_builder_new_from_resname("password", &password_builder);
+ if (res != NSERROR_OK) {
+ LOG("Password UI builder init failed");
+ return;
+ }
+
+ gtk_builder_connect_signals(password_builder, NULL);
+
+ wnd = GTK_WINDOW(gtk_builder_get_object(password_builder,
+ "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] = password_builder;
+ data[4] = path;
+
+ ok = GTK_BUTTON(gtk_builder_get_object(password_builder,
+ "buttonPDFSetPassword"));
+ no = GTK_BUTTON(gtk_builder_get_object(password_builder,
+ "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 NS_KEY_TAB;
+
+ case GDK_KEY(BackSpace):
+ if (key->state & GDK_SHIFT_MASK)
+ return NS_KEY_DELETE_LINE_START;
+ else
+ return NS_KEY_DELETE_LEFT;
+ case GDK_KEY(Delete):
+ if (key->state & GDK_SHIFT_MASK)
+ return NS_KEY_DELETE_LINE_END;
+ else
+ return NS_KEY_DELETE_RIGHT;
+ case GDK_KEY(Linefeed): return 13;
+ case GDK_KEY(Return): return 10;
+ case GDK_KEY(Left): return NS_KEY_LEFT;
+ case GDK_KEY(Right): return NS_KEY_RIGHT;
+ case GDK_KEY(Up): return NS_KEY_UP;
+ case GDK_KEY(Down): return NS_KEY_DOWN;
+ case GDK_KEY(Home):
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_TEXT_START;
+ else
+ return NS_KEY_LINE_START;
+ case GDK_KEY(End):
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_TEXT_END;
+ else
+ return NS_KEY_LINE_END;
+ case GDK_KEY(Page_Up):
+ return NS_KEY_PAGE_UP;
+ case GDK_KEY(Page_Down):
+ return NS_KEY_PAGE_DOWN;
+ case 'a':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_SELECT_ALL;
+ return gdk_keyval_to_unicode(key->keyval);
+ case 'u':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_DELETE_LINE;
+ return gdk_keyval_to_unicode(key->keyval);
+ case 'c':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_COPY_SELECTION;
+ return gdk_keyval_to_unicode(key->keyval);
+ case 'v':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_PASTE;
+ return gdk_keyval_to_unicode(key->keyval);
+ case 'x':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_CUT_SELECTION;
+ return gdk_keyval_to_unicode(key->keyval);
+ case 'Z':
+ case 'y':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_REDO;
+ return gdk_keyval_to_unicode(key->keyval);
+ case 'z':
+ if (key->state & GDK_CONTROL_MASK)
+ return NS_KEY_UNDO;
+ return gdk_keyval_to_unicode(key->keyval);
+ case GDK_KEY(Escape):
+ return NS_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_misc_table nsgtk_misc_table = {
+ .schedule = nsgtk_schedule,
+ .warning = nsgtk_warning,
+
+ .quit = gui_quit,
+ .launch_url = gui_launch_url,
+ .cert_verify = gtk_cert_verify,
+ .login = gui_401login_open,
+ .pdf_password = nsgtk_pdf_password,
+};
+
+
+static nserror nsgtk_messages_init(char **respaths)
+{
+ const char *messages;
+ nserror ret;
+ const uint8_t *data;
+ size_t data_size;
+
+ ret = nsgtk_data_from_resname("Messages", &data, &data_size);
+ if (ret == NSERROR_OK) {
+ ret = messages_add_from_inline(data, data_size);
+ } else {
+ /* Obtain path to messages */
+ ret = nsgtk_path_from_resname("Messages", &messages);
+ if (ret == NSERROR_OK) {
+ ret = messages_add_from_file(messages);
+ }
+ }
+ return ret;
+}
+
+/**
+ * Main entry point from OS.
+ */
+int main(int argc, char** argv)
+{
+ char *cache_home = NULL;
+ nserror ret;
+ struct netsurf_table nsgtk_table = {
+ .misc = &nsgtk_misc_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,
+ .bitmap = nsgtk_bitmap_table,
+ .layout = nsgtk_layout_table,
+ };
+
+ ret = netsurf_register(&nsgtk_table);
+ if (ret != NSERROR_OK) {
+ die("NetSurf operation table failed registration\n");
+ }
+
+ /* 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);
+
+ /* build the common resource path list */
+ respaths = nsgtk_init_resource_path(nsgtk_config_home);
+ if (respaths == NULL) {
+ fprintf(stderr, "Unable to locate resources\n");
+ return 1;
+ }
+
+ /* initialise the gtk resource handling */
+ ret = nsgtk_init_resources(respaths);
+ if (ret != NSERROR_OK) {
+ fprintf(stderr, "GTK resources failed to initialise (%s)\n",
+ messages_get_errorcode(ret));
+ return 1;
+ }
+
+ /* 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;
+ }
+
+ /* Initialise translated messages */
+ ret = nsgtk_messages_init(respaths);
+ if (ret != NSERROR_OK) {
+ fprintf(stderr, "Unable to load translated messages (%s)\n",
+ messages_get_errorcode(ret));
+ LOG("Unable to load translated messages");
+ /** \todo decide if message load faliure should be fatal */
+ }
+
+ /* 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(cache_home);
+ 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 initialise failed (%s)\n",
+ messages_get_errorcode(ret));
+ } else {
+ nsgtk_main();
+ }
+
+ /* common finalisation */
+ netsurf_exit();
+
+ /* finalise options */
+ nsoption_finalise(nsoptions, nsoptions_default);
+
+ return 0;
+}