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netsurf/frontends/riscos/gui.c

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/*
* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
* Copyright 2004-2008 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
* Copyright 2005 Richard Wilson <info@tinct.net>
* Copyright 2004 Andrew Timmins <atimmins@blueyonder.co.uk>
* Copyright 2004-2009 John Tytgat <joty@netsurf-browser.org>
*
* 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 <stdbool.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <signal.h>
#include <unixlib/local.h>
#include <fpu_control.h>
#include <oslib/help.h>
#include <oslib/uri.h>
#include <oslib/inetsuite.h>
#include <oslib/pdriver.h>
#include <oslib/osfile.h>
#include <oslib/hourglass.h>
#include <oslib/osgbpb.h>
#include <oslib/osbyte.h>
#include <oslib/osmodule.h>
#include <oslib/osfscontrol.h>
#include "utils/utils.h"
#include "utils/nsoption.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/file.h"
#include "utils/filename.h"
#include "utils/url.h"
#include "utils/corestrings.h"
#include "netsurf/fetch.h"
#include "netsurf/misc.h"
#include "netsurf/content.h"
#include "netsurf/netsurf.h"
#include "netsurf/browser_window.h"
#include "netsurf/cookie_db.h"
#include "netsurf/url_db.h"
#include "desktop/save_complete.h"
#include "desktop/hotlist.h"
#include "content/backing_store.h"
#include "riscos/gui.h"
#include "riscos/bitmap.h"
#include "riscos/wimputils.h"
#include "riscos/hotlist.h"
#include "riscos/buffer.h"
#include "riscos/textselection.h"
#include "riscos/print.h"
#include "riscos/save.h"
#include "riscos/dialog.h"
#include "riscos/wimp.h"
#include "riscos/message.h"
#include "riscos/help.h"
#include "riscos/query.h"
#include "riscos/window.h"
#include "riscos/iconbar.h"
#include "riscos/sslcert.h"
#include "riscos/local_history.h"
#include "riscos/global_history.h"
#include "riscos/cookies.h"
#include "riscos/wimp_event.h"
#include "riscos/uri.h"
#include "riscos/url_protocol.h"
#include "riscos/mouse.h"
#include "riscos/ucstables.h"
#include "riscos/filetype.h"
#include "riscos/font.h"
#include "riscos/toolbar.h"
#include "riscos/content-handlers/artworks.h"
#include "riscos/content-handlers/draw.h"
#include "riscos/content-handlers/sprite.h"
bool riscos_done = false;
extern bool ro_plot_patterned_lines;
int os_version = 0;
const char * const __dynamic_da_name = "NetSurf"; /**< For UnixLib. */
int __dynamic_da_max_size = 128 * 1024 * 1024; /**< For UnixLib. */
int __feature_imagefs_is_file = 1; /**< For UnixLib. */
/* default filename handling */
int __riscosify_control = __RISCOSIFY_NO_SUFFIX |
__RISCOSIFY_NO_REVERSE_SUFFIX;
#ifndef __ELF__
extern int __dynamic_num;
#endif
const char * NETSURF_DIR;
static const char *task_name = "NetSurf";
#define CHOICES_PREFIX "<Choices$Write>.WWW.NetSurf."
ro_gui_drag_type gui_current_drag_type;
wimp_t task_handle; /**< RISC OS wimp task handle. */
static clock_t gui_last_poll; /**< Time of last wimp_poll. */
osspriteop_area *gui_sprites; /**< Sprite area containing pointer and hotlist sprites */
#define DIR_SEP ('.')
/**
* Accepted wimp user messages.
*/
static ns_wimp_message_list task_messages = {
message_HELP_REQUEST,
{
message_DATA_SAVE,
message_DATA_SAVE_ACK,
message_DATA_LOAD,
message_DATA_LOAD_ACK,
message_DATA_OPEN,
message_PRE_QUIT,
message_SAVE_DESKTOP,
message_MENU_WARNING,
message_MENUS_DELETED,
message_WINDOW_INFO,
message_CLAIM_ENTITY,
message_DATA_REQUEST,
message_DRAGGING,
message_DRAG_CLAIM,
message_MODE_CHANGE,
message_PALETTE_CHANGE,
message_FONT_CHANGED,
message_URI_PROCESS,
message_URI_RETURN_RESULT,
message_INET_SUITE_OPEN_URL,
#ifdef WITH_PLUGIN
message_PLUG_IN_OPENING,
message_PLUG_IN_CLOSED,
message_PLUG_IN_RESHAPE_REQUEST,
message_PLUG_IN_FOCUS,
message_PLUG_IN_URL_ACCESS,
message_PLUG_IN_STATUS,
message_PLUG_IN_BUSY,
message_PLUG_IN_STREAM_NEW,
message_PLUG_IN_STREAM_WRITE,
message_PLUG_IN_STREAM_WRITTEN,
message_PLUG_IN_STREAM_DESTROY,
message_PLUG_IN_OPEN,
message_PLUG_IN_CLOSE,
message_PLUG_IN_RESHAPE,
message_PLUG_IN_STREAM_AS_FILE,
message_PLUG_IN_NOTIFY,
message_PLUG_IN_ABORT,
message_PLUG_IN_ACTION,
/* message_PLUG_IN_INFORMED, (not provided by oslib) */
#endif
message_PRINT_SAVE,
message_PRINT_ERROR,
message_PRINT_TYPE_ODD,
message_HOTLIST_ADD_URL,
message_HOTLIST_CHANGED,
0
}
};
static struct
{
int width; /* in OS units */
int height;
} screen_info;
/**
* Callback to translate resource to full url for RISC OS.
*
* Transforms a resource: path into a full URL. The returned URL is
* used as the target for a redirect. The caller takes ownership of
* the returned nsurl including unrefing it when finished with it.
*
* \param path The path of the resource to locate.
* \return A string containing the full URL of the target object or
* NULL if no suitable resource can be found.
*/
static nsurl *gui_get_resource_url(const char *path)
{
static const char base_url[] = "file:///NetSurf:/Resources/";
const char *lang;
size_t path_len, length;
char *raw;
nsurl *url = NULL;
/* Map paths first */
if (strcmp(path, "adblock.css") == 0) {
path = "AdBlock";
} else if (strcmp(path, "default.css") == 0) {
path = "CSS";
} else if (strcmp(path, "quirks.css") == 0) {
path = "Quirks";
} else if (strcmp(path, "favicon.ico") == 0) {
path = "Icons/content.png";
} else if (strcmp(path, "user.css") == 0) {
/* Special case; this file comes from Choices: */
nsurl_create("file:///Choices:WWW/NetSurf/User", &url);
return url;
}
path_len = strlen(path);
lang = ro_gui_default_language();
/* Find max URL length */
length = SLEN(base_url) +
strlen(lang) + 1 + /* <lang> + / */
path_len + 1; /* + NUL */
raw = malloc(length);
if (raw != NULL) {
/* Insert base URL */
char *ptr = memcpy(raw, base_url, SLEN(base_url));
ptr += SLEN(base_url);
/* Add language directory to URL, for translated files */
/* TODO: handle non-html translated files */
if (path_len > SLEN(".html") &&
strncmp(path + path_len - SLEN(".html"),
".html", SLEN(".html")) == 0) {
ptr += sprintf(ptr, "%s/", lang);
}
/* Add filename to URL */
memcpy(ptr, path, path_len);
ptr += path_len;
/* Terminate string */
*ptr = '\0';
nsurl_create(raw, &url);
free(raw);
}
return url;
}
/**
* Set colour option from wimp.
*
* \param opts The netsurf options.
* \param wimp wimp colour value
* \param option the netsurf option enum.
* \param def_colour The default colour value to use.
* \return NSERROR_OK on success or error code.
*/
static nserror
set_colour_from_wimp(struct nsoption_s *opts,
wimp_colour wimp,
enum nsoption_e option,
colour def_colour)
{
os_error *error;
os_PALETTE(20) palette;
error = xwimp_read_true_palette((os_palette *) &palette);
if (error != NULL) {
NSLOG(netsurf, INFO,
"xwimp_read_palette: 0x%x: %s",
error->errnum,
error->errmess);
} else {
/* entries are in B0G0R0LL */
def_colour = palette.entries[wimp] >> 8;
}
opts[option].value.c = def_colour;
return NSERROR_OK;
}
/**
* Set option defaults for riscos frontend
*
* @param defaults The option table to update.
* @return error status.
*
* @todo The wimp_COLOUR_... values here map the colour definitions to
* parts of the RISC OS desktop palette. In places this is fairly
* arbitrary, and could probably do with re-checking.
*/
static nserror set_defaults(struct nsoption_s *defaults)
{
/* Set defaults for absent option strings */
nsoption_setnull_charp(ca_bundle, strdup("NetSurf:Resources.ca-bundle"));
nsoption_setnull_charp(cookie_file, strdup("NetSurf:Cookies"));
nsoption_setnull_charp(cookie_jar, strdup(CHOICES_PREFIX "Cookies"));
if (nsoption_charp(ca_bundle) == NULL ||
nsoption_charp(cookie_file) == NULL ||
nsoption_charp(cookie_jar) == NULL) {
NSLOG(netsurf, INFO, "Failed initialising default options");
return NSERROR_BAD_PARAMETER;
}
/* RISC OS platform does not generally benefit from disc cache
* so the default should be off.
*/
nsoption_set_uint(disc_cache_size, 0);
/* Override core default treeview font size with 12 pt.
* TODO: 12 is the normal desktop font size, but users might run
* with something different.
*/
nsoption_set_int(treeview_font_size, 12 * 10);
/* set default system colours for riscos ui */
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_ActiveBorder, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_CREAM, NSOPTION_sys_colour_ActiveCaption, 0x00dddddd);
set_colour_from_wimp(defaults, wimp_COLOUR_VERY_LIGHT_GREY, NSOPTION_sys_colour_AppWorkspace, 0x00eeeeee);
set_colour_from_wimp(defaults, wimp_COLOUR_VERY_LIGHT_GREY, NSOPTION_sys_colour_Background, 0x00aa0000);/* \TODO -- Check */
set_colour_from_wimp(defaults, wimp_COLOUR_VERY_LIGHT_GREY, NSOPTION_sys_colour_ButtonFace, 0x00aaaaaa);
set_colour_from_wimp(defaults, wimp_COLOUR_DARK_GREY, NSOPTION_sys_colour_ButtonHighlight, 0x00cccccc);/* \TODO -- Check */
set_colour_from_wimp(defaults, wimp_COLOUR_MID_DARK_GREY, NSOPTION_sys_colour_ButtonShadow, 0x00bbbbbb);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_ButtonText, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_CaptionText, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_MID_LIGHT_GREY, NSOPTION_sys_colour_GrayText, 0x00777777);/* \TODO -- Check */
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_Highlight, 0x00ee0000);
set_colour_from_wimp(defaults, wimp_COLOUR_WHITE, NSOPTION_sys_colour_HighlightText, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_InactiveBorder, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_LIGHT_GREY, NSOPTION_sys_colour_InactiveCaption, 0x00ffffff);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_InactiveCaptionText, 0x00cccccc);
set_colour_from_wimp(defaults, wimp_COLOUR_CREAM, NSOPTION_sys_colour_InfoBackground, 0x00aaaaaa);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_InfoText, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_WHITE, NSOPTION_sys_colour_Menu, 0x00aaaaaa);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_MenuText, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_LIGHT_GREY, NSOPTION_sys_colour_Scrollbar, 0x00aaaaaa);/* \TODO -- Check */
set_colour_from_wimp(defaults, wimp_COLOUR_MID_DARK_GREY, NSOPTION_sys_colour_ThreeDDarkShadow, 0x00555555);
set_colour_from_wimp(defaults, wimp_COLOUR_VERY_LIGHT_GREY, NSOPTION_sys_colour_ThreeDFace, 0x00dddddd);
set_colour_from_wimp(defaults, wimp_COLOUR_WHITE, NSOPTION_sys_colour_ThreeDHighlight, 0x00aaaaaa);
set_colour_from_wimp(defaults, wimp_COLOUR_WHITE, NSOPTION_sys_colour_ThreeDLightShadow, 0x00999999);
set_colour_from_wimp(defaults, wimp_COLOUR_MID_DARK_GREY, NSOPTION_sys_colour_ThreeDShadow, 0x00777777);
set_colour_from_wimp(defaults, wimp_COLOUR_VERY_LIGHT_GREY, NSOPTION_sys_colour_Window, 0x00aaaaaa);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_WindowFrame, 0x00000000);
set_colour_from_wimp(defaults, wimp_COLOUR_BLACK, NSOPTION_sys_colour_WindowText, 0x00000000);
return NSERROR_OK;
}
/**
* Create intermediate directories for Choices and User Data files
*/
static void ro_gui_create_dirs(void)
{
char buf[256];
char *path;
/* Choices */
path = getenv("NetSurf$ChoicesSave");
if (!path)
die("Failed to find NetSurf Choices save path");
snprintf(buf, sizeof(buf), "%s", path);
netsurf_mkdir_all(buf);
/* URL */
snprintf(buf, sizeof(buf), "%s", nsoption_charp(url_save));
netsurf_mkdir_all(buf);
/* Hotlist */
snprintf(buf, sizeof(buf), "%s", nsoption_charp(hotlist_save));
netsurf_mkdir_all(buf);
/* Recent */
snprintf(buf, sizeof(buf), "%s", nsoption_charp(recent_save));
netsurf_mkdir_all(buf);
/* Theme */
snprintf(buf, sizeof(buf), "%s", nsoption_charp(theme_save));
netsurf_mkdir_all(buf);
/* and the final directory part (as theme_save is a directory) */
xosfile_create_dir(buf, 0);
}
/**
* Ensures the gui exits cleanly.
*/
static void ro_gui_cleanup(void)
{
ro_gui_buffer_close();
xhourglass_off();
/* Uninstall NetSurf-specific fonts */
xos_cli("FontRemove NetSurf:Resources.Fonts.");
}
/**
* Handles a signal
*/
static void ro_gui_signal(int sig)
{
static const os_error error = { 1, "NetSurf has detected a serious "
"error and must exit. Please submit a bug report, "
"attaching the browser log file." };
os_colour old_sand, old_glass;
ro_gui_cleanup();
xhourglass_on();
xhourglass_colours(0x0000ffff, 0x000000ff, &old_sand, &old_glass);
nsoption_dump(stderr, NULL);
/*rufl_dump_state();*/
#ifndef __ELF__
/* save WimpSlot and DA to files if NetSurf$CoreDump exists */
int used;
xos_read_var_val_size("NetSurf$CoreDump", 0, 0, &used, 0, 0);
if (used) {
int curr_slot;
xwimp_slot_size(-1, -1, &curr_slot, 0, 0);
NSLOG(netsurf, INFO, "saving WimpSlot, size 0x%x", curr_slot);
xosfile_save("$.NetSurf_Slot", 0x8000, 0,
(byte *) 0x8000,
(byte *) 0x8000 + curr_slot);
if (__dynamic_num != -1) {
int size;
byte *base_address;
xosdynamicarea_read(__dynamic_num, &size,
&base_address, 0, 0, 0, 0, 0);
NSLOG(netsurf, INFO,
"saving DA %i, base %p, size 0x%x",
__dynamic_num,
base_address,
size);
xosfile_save("$.NetSurf_DA",
(bits) base_address, 0,
base_address,
base_address + size);
}
}
#else
/* Save WimpSlot and UnixLib managed DAs when UnixEnv$coredump
* defines a coredump directory. */
const _kernel_oserror *err = __unixlib_write_coredump (NULL);
if (err != NULL)
NSLOG(netsurf, INFO, "Coredump failed: %s", err->errmess);
#endif
xhourglass_colours(old_sand, old_glass, 0, 0);
xhourglass_off();
__write_backtrace(sig);
xwimp_report_error_by_category(&error,
wimp_ERROR_BOX_GIVEN_CATEGORY |
wimp_ERROR_BOX_CATEGORY_ERROR <<
wimp_ERROR_BOX_CATEGORY_SHIFT,
"NetSurf", "!netsurf",
(osspriteop_area *) 1, "Quit", 0);
xos_cli("Filer_Run <Wimp$ScrapDir>.WWW.NetSurf.Log");
_Exit(sig);
}
/**
* Read a "line" from an Acorn URI file.
*
* \param fp file pointer to read from
* \param b buffer for line, size 400 bytes
* \return true on success, false on EOF
*/
static bool ro_gui_uri_file_parse_line(FILE *fp, char *b)
{
int c;
unsigned int i = 0;
c = getc(fp);
if (c == EOF)
return false;
/* skip comment lines */
while (c == '#') {
do { c = getc(fp); } while (c != EOF && 32 <= c);
if (c == EOF)
return false;
do { c = getc(fp); } while (c != EOF && c < 32);
if (c == EOF)
return false;
}
/* read "line" */
do {
if (i == 399)
return false;
b[i++] = c;
c = getc(fp);
} while (c != EOF && 32 <= c);
/* skip line ending control characters */
while (c != EOF && c < 32)
c = getc(fp);
if (c != EOF)
ungetc(c, fp);
b[i] = 0;
return true;
}
/**
* Parse an Acorn URI file.
*
* \param file_name file to read
* \param uri_title pointer to receive title data, or NULL for no data
* \return URL from file, or 0 on error and error reported
*/
static char *ro_gui_uri_file_parse(const char *file_name, char **uri_title)
{
/* See the "Acorn URI Handler Functional Specification" for the
* definition of the URI file format. */
char line[400];
char *url = NULL;
FILE *fp;
*uri_title = NULL;
fp = fopen(file_name, "rb");
if (!fp) {
NSLOG(netsurf, INFO, "fopen(\"%s\", \"rb\"): %i: %s",
file_name, errno, strerror(errno));
ro_warn_user("LoadError", strerror(errno));
return 0;
}
/* "URI" */
if (!ro_gui_uri_file_parse_line(fp, line) || strcmp(line, "URI") != 0)
goto uri_syntax_error;
/* version */
if (!ro_gui_uri_file_parse_line(fp, line) ||
strspn(line, "0123456789") != strlen(line))
goto uri_syntax_error;
/* URI */
if (!ro_gui_uri_file_parse_line(fp, line))
goto uri_syntax_error;
url = strdup(line);
if (!url) {
ro_warn_user("NoMemory", 0);
fclose(fp);
return 0;
}
/* title */
if (!ro_gui_uri_file_parse_line(fp, line))
goto uri_free;
if (uri_title && line[0] && ((line[0] != '*') || line[1])) {
*uri_title = strdup(line);
if (!*uri_title) /* non-fatal */
ro_warn_user("NoMemory", 0);
}
fclose(fp);
return url;
uri_free:
free(url);
uri_syntax_error:
fclose(fp);
ro_warn_user("URIError", 0);
return 0;
}
/**
* Parse an ANT URL file.
*
* \param file_name file to read
* \return URL from file, or 0 on error and error reported
*/
static char *ro_gui_url_file_parse(const char *file_name)
{
char line[400];
char *url;
FILE *fp;
fp = fopen(file_name, "r");
if (!fp) {
NSLOG(netsurf, INFO, "fopen(\"%s\", \"r\"): %i: %s",
file_name, errno, strerror(errno));
ro_warn_user("LoadError", strerror(errno));
return 0;
}
if (!fgets(line, sizeof line, fp)) {
if (ferror(fp)) {
NSLOG(netsurf, INFO, "fgets: %i: %s", errno,
strerror(errno));
ro_warn_user("LoadError", strerror(errno));
} else
ro_warn_user("LoadError", messages_get("EmptyError"));
fclose(fp);
return 0;
}
fclose(fp);
if (line[strlen(line) - 1] == '\n')
line[strlen(line) - 1] = '\0';
url = strdup(line);
if (!url) {
ro_warn_user("NoMemory", 0);
return 0;
}
return url;
}
/**
* Parse an IEURL file.
*
* \param file_name file to read
* \return URL from file, or 0 on error and error reported
*/
static char *ro_gui_ieurl_file_parse(const char *file_name)
{
char line[400];
char *url = 0;
FILE *fp;
fp = fopen(file_name, "r");
if (!fp) {
NSLOG(netsurf, INFO, "fopen(\"%s\", \"r\"): %i: %s",
file_name, errno, strerror(errno));
ro_warn_user("LoadError", strerror(errno));
return 0;
}
while (fgets(line, sizeof line, fp)) {
if (strncmp(line, "URL=", 4) == 0) {
if (line[strlen(line) - 1] == '\n')
line[strlen(line) - 1] = '\0';
url = strdup(line + 4);
if (!url) {
fclose(fp);
ro_warn_user("NoMemory", 0);
return 0;
}
break;
}
}
if (ferror(fp)) {
NSLOG(netsurf, INFO, "fgets: %i: %s", errno, strerror(errno));
ro_warn_user("LoadError", strerror(errno));
fclose(fp);
return 0;
}
fclose(fp);
if (!url)
ro_warn_user("URIError", 0);
return url;
}
/**
* Handle Message_DataOpen (double-click on file in the Filer).
*
* \param message The wimp message to open.
*/
static void ro_msg_dataopen(wimp_message *message)
{
int file_type = message->data.data_xfer.file_type;
char *url = 0;
os_error *oserror;
nsurl *urlns;
nserror error;
size_t len;
switch (file_type) {
case 0xb28: /* ANT URL file */
url = ro_gui_url_file_parse(message->data.data_xfer.file_name);
error = nsurl_create(url, &urlns);
free(url);
break;
case 0xfaf: /* HTML file */
error = netsurf_path_to_nsurl(message->data.data_xfer.file_name,
&urlns);
break;
case 0x1ba: /* IEURL file */
url = ro_gui_ieurl_file_parse(message->
data.data_xfer.file_name);
error = nsurl_create(url, &urlns);
free(url);
break;
case 0x2000: /* application */
len = strlen(message->data.data_xfer.file_name);
if (len < 9 || strcmp(".!NetSurf",
message->data.data_xfer.file_name + len - 9))
return;
if (nsoption_charp(homepage_url) &&
nsoption_charp(homepage_url)[0]) {
error = nsurl_create(nsoption_charp(homepage_url),
&urlns);
} else {
error = nsurl_create(NETSURF_HOMEPAGE, &urlns);
}
break;
default:
return;
}
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
oserror = xwimp_send_message(wimp_USER_MESSAGE, message, message->sender);
if (oserror) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x: %s",
oserror->errnum, oserror->errmess);
ro_warn_user("WimpError", oserror->errmess);
return;
}
if (error != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(error), 0);
return;
}
/* create a new window with the file */
error = browser_window_create(BW_CREATE_HISTORY,
urlns,
NULL,
NULL,
NULL);
nsurl_unref(urlns);
if (error != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(error), 0);
}
}
/**
* Handle Message_DataLoad (file dragged in).
*/
static void ro_msg_dataload(wimp_message *message)
{
int file_type = message->data.data_xfer.file_type;
char *urltxt = NULL;
char *title = NULL;
struct gui_window *g;
os_error *oserror;
nsurl *url;
nserror error;
g = ro_gui_window_lookup(message->data.data_xfer.w);
if (g) {
if (ro_gui_window_dataload(g, message))
return;
}
else {
g = ro_gui_toolbar_lookup(message->data.data_xfer.w);
if (g && ro_gui_toolbar_dataload(g, message))
return;
}
switch (file_type) {
case FILETYPE_ACORN_URI:
urltxt = ro_gui_uri_file_parse(message->data.data_xfer.file_name,
&title);
error = nsurl_create(urltxt, &url);
free(urltxt);
break;
case FILETYPE_ANT_URL:
urltxt = ro_gui_url_file_parse(message->data.data_xfer.file_name);
error = nsurl_create(urltxt, &url);
free(urltxt);
break;
case FILETYPE_IEURL:
urltxt = ro_gui_ieurl_file_parse(message->data.data_xfer.file_name);
error = nsurl_create(urltxt, &url);
free(urltxt);
break;
case FILETYPE_HTML:
case FILETYPE_JNG:
case FILETYPE_CSS:
case FILETYPE_MNG:
case FILETYPE_GIF:
case FILETYPE_BMP:
case FILETYPE_ICO:
case osfile_TYPE_DRAW:
case FILETYPE_PNG:
case FILETYPE_JPEG:
case osfile_TYPE_SPRITE:
case osfile_TYPE_TEXT:
case FILETYPE_ARTWORKS:
case FILETYPE_SVG:
/* display the actual file */
error = netsurf_path_to_nsurl(message->data.data_xfer.file_name, &url);
break;
default:
return;
}
/* report error to user */
if (error != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(error), 0);
return;
}
if (g) {
error = browser_window_navigate(g->bw,
url,
NULL,
BW_NAVIGATE_HISTORY,
NULL,
NULL,
NULL);
} else {
error = browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
NULL);
}
nsurl_unref(url);
if (error != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(error), 0);
}
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
oserror = xwimp_send_message(wimp_USER_MESSAGE, message,
message->sender);
if (oserror) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x: %s",
oserror->errnum, oserror->errmess);
ro_warn_user("WimpError", oserror->errmess);
return;
}
}
/**
* Ensure that the filename in a data transfer message is NULL terminated
* (some applications, especially BASIC programs use CR)
*
* \param message message to be corrected
*/
static void ro_msg_terminate_filename(wimp_full_message_data_xfer *message)
{
const char *ep = (char*)message + message->size;
char *p = message->file_name;
if ((size_t)message->size >= sizeof(*message))
ep = (char*)message + sizeof(*message) - 1;
while (p < ep && *p >= ' ') p++;
*p = '\0';
}
/**
* Handle Message_DataSave
*/
static void ro_msg_datasave(wimp_message *message)
{
wimp_full_message_data_xfer *dataxfer = (wimp_full_message_data_xfer*)message;
/* remove ghost caret if drag-and-drop protocol was used */
// ro_gui_selection_drag_reset();
ro_msg_terminate_filename(dataxfer);
if (ro_gui_selection_prepare_paste_datasave(dataxfer))
return;
switch (dataxfer->file_type) {
case FILETYPE_ACORN_URI:
case FILETYPE_ANT_URL:
case FILETYPE_IEURL:
case FILETYPE_HTML:
case FILETYPE_JNG:
case FILETYPE_CSS:
case FILETYPE_MNG:
case FILETYPE_GIF:
case FILETYPE_BMP:
case FILETYPE_ICO:
case osfile_TYPE_DRAW:
case FILETYPE_PNG:
case FILETYPE_JPEG:
case osfile_TYPE_SPRITE:
case osfile_TYPE_TEXT:
case FILETYPE_ARTWORKS:
case FILETYPE_SVG: {
os_error *error;
dataxfer->your_ref = dataxfer->my_ref;
dataxfer->size = offsetof(wimp_full_message_data_xfer, file_name) + 16;
dataxfer->action = message_DATA_SAVE_ACK;
dataxfer->est_size = -1;
memcpy(dataxfer->file_name, "<Wimp$Scrap>", 13);
error = xwimp_send_message(wimp_USER_MESSAGE, (wimp_message*)dataxfer, message->sender);
if (error) {
NSLOG(netsurf, INFO,
"xwimp_send_message: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
break;
}
}
/**
* Handle Message_DataSaveAck.
*/
static void ro_msg_datasave_ack(wimp_message *message)
{
ro_msg_terminate_filename((wimp_full_message_data_xfer*)message);
if (ro_print_ack(message))
return;
switch (gui_current_drag_type) {
case GUI_DRAG_DOWNLOAD_SAVE:
ro_gui_download_datasave_ack(message);
break;
case GUI_DRAG_SAVE:
ro_gui_save_datasave_ack(message);
gui_current_drag_type = GUI_DRAG_NONE;
break;
default:
break;
}
gui_current_drag_type = GUI_DRAG_NONE;
}
/**
* Handle PreQuit message
*
* \param message PreQuit message from Wimp
*/
static void ro_msg_prequit(wimp_message *message)
{
if (!ro_gui_prequit()) {
os_error *error;
/* we're objecting to the close down */
message->your_ref = message->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE_ACKNOWLEDGE,
message, message->sender);
if (error) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x:%s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
}
/**
* Handle SaveDesktop message.
*
* \param message SaveDesktop message from Wimp.
*/
static void ro_msg_save_desktop(wimp_message *message)
{
os_error *error;
error = xosgbpb_writew(message->data.save_desktopw.file,
(const byte*)"Run ", 4, NULL);
if (!error) {
error = xosgbpb_writew(message->data.save_desktopw.file,
(const byte*)NETSURF_DIR, strlen(NETSURF_DIR), NULL);
if (!error)
error = xos_bputw('\n', message->data.save_desktopw.file);
}
if (error) {
NSLOG(netsurf, INFO, "xosgbpb_writew/xos_bputw: 0x%x:%s",
error->errnum, error->errmess);
ro_warn_user("SaveError", error->errmess);
/* we must cancel the save by acknowledging the message */
message->your_ref = message->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE_ACKNOWLEDGE,
message, message->sender);
if (error) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x:%s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
}
/**
* Handle WindowInfo message (part of the iconising protocol)
*
* \param message WindowInfo message from the Iconiser
*/
static void ro_msg_window_info(wimp_message *message)
{
wimp_full_message_window_info *wi;
struct gui_window *g;
/* allow the user to turn off thumbnail icons */
if (!nsoption_bool(thumbnail_iconise))
return;
wi = (wimp_full_message_window_info*)message;
g = ro_gui_window_lookup(wi->w);
/* ic_<task name> will suffice for our other windows */
if (g) {
ro_gui_window_iconise(g, wi);
ro_gui_dialog_close_persistent(wi->w);
}
}
/**
* Get screen properties following a mode change.
*/
static void ro_gui_get_screen_properties(void)
{
static const ns_os_vdu_var_list vars = {
os_MODEVAR_XWIND_LIMIT,
{
os_MODEVAR_YWIND_LIMIT,
os_MODEVAR_XEIG_FACTOR,
os_MODEVAR_YEIG_FACTOR,
os_VDUVAR_END_LIST
}
};
os_error *error;
int vals[4];
error = xos_read_vdu_variables(PTR_OS_VDU_VAR_LIST(&vars), vals);
if (error) {
NSLOG(netsurf, INFO, "xos_read_vdu_variables: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("MiscError", error->errmess);
return;
}
screen_info.width = (vals[0] + 1) << vals[2];
screen_info.height = (vals[1] + 1) << vals[3];
}
/**
* Warn the user if Inet$Resolvers is not set.
*/
static void ro_gui_check_resolvers(void)
{
char *resolvers;
resolvers = getenv("Inet$Resolvers");
if (resolvers && resolvers[0]) {
NSLOG(netsurf, INFO, "Inet$Resolvers '%s'", resolvers);
} else {
NSLOG(netsurf, INFO, "Inet$Resolvers not set or empty");
ro_warn_user("Resolvers", 0);
}
}
/**
* Initialise the RISC OS specific GUI.
*
* \param argc The number of command line arguments.
* \param argv The string vector of command line arguments.
*/
static nserror gui_init(int argc, char** argv)
{
struct {
void (*sigabrt)(int);
void (*sigfpe)(int);
void (*sigill)(int);
void (*sigint)(int);
void (*sigsegv)(int);
void (*sigterm)(int);
void (*sigoserror)(int);
} prev_sigs;
char path[40];
os_error *error;
int length;
char *nsdir_temp;
byte *base;
nsurl *url;
nserror ret;
bool open_window;
/* re-enable all FPU exceptions/traps except inexact operations,
* which we're not interested in, and underflow which is incorrectly
* raised when converting an exact value of 0 from double-precision
* to single-precision on FPEmulator v4.09-4.11 (MVFD F0,#0:MVFS F0,F0)
* - UnixLib disables all FP exceptions by default */
_FPU_SETCW(_FPU_IEEE & ~(_FPU_MASK_PM | _FPU_MASK_UM));
xhourglass_start(1);
/* read OS version for code that adapts to conform to the OS
* (remember that it's preferable to check for specific features
* being present) */
xos_byte(osbyte_IN_KEY, 0, 0xff, &os_version, NULL);
/* the first release version of the A9home OS is incapable of
plotting patterned lines (presumably a fault in the hw acceleration) */
if (!xosmodule_lookup("VideoHWSMI", NULL, NULL, &base, NULL, NULL)) {
#if 0 // this fault still hasn't been fixed, so disable patterned lines for all versions until it has
const char *help = (char*)base + ((int*)base)[5];
while (*help > 9) help++;
while (*help == 9) help++;
if (!memcmp(help, "0.55", 4))
#endif
ro_plot_patterned_lines = false;
}
/* Create our choices directories */
ro_gui_create_dirs();
/* Register exit and signal handlers */
atexit(ro_gui_cleanup);
prev_sigs.sigabrt = signal(SIGABRT, ro_gui_signal);
prev_sigs.sigfpe = signal(SIGFPE, ro_gui_signal);
prev_sigs.sigill = signal(SIGILL, ro_gui_signal);
prev_sigs.sigint = signal(SIGINT, ro_gui_signal);
prev_sigs.sigsegv = signal(SIGSEGV, ro_gui_signal);
prev_sigs.sigterm = signal(SIGTERM, ro_gui_signal);
prev_sigs.sigoserror = signal(SIGOSERROR, ro_gui_signal);
if (prev_sigs.sigabrt == SIG_ERR || prev_sigs.sigfpe == SIG_ERR ||
prev_sigs.sigill == SIG_ERR ||
prev_sigs.sigint == SIG_ERR ||
prev_sigs.sigsegv == SIG_ERR ||
prev_sigs.sigterm == SIG_ERR ||
prev_sigs.sigoserror == SIG_ERR)
die("Failed registering signal handlers");
/* Load in UI sprites */
gui_sprites = ro_gui_load_sprite_file("NetSurf:Resources.Sprites");
if (!gui_sprites)
die("Unable to load Sprites.");
/* Find NetSurf directory */
nsdir_temp = getenv("NetSurf$Dir");
if (!nsdir_temp)
die("Failed to locate NetSurf directory");
NETSURF_DIR = strdup(nsdir_temp);
if (!NETSURF_DIR)
die("Failed duplicating NetSurf directory string");
/* Initialise filename allocator */
filename_initialise();
/* Initialise save complete functionality */
save_complete_init();
/* Initialise the font subsystem */
nsfont_init();
/* Load in visited URLs, Cookies, and hostlist */
urldb_load(nsoption_charp(url_path));
urldb_load_cookies(nsoption_charp(cookie_file));
hotlist_init(nsoption_charp(hotlist_path),
nsoption_bool(external_hotlists) ?
NULL :
nsoption_charp(hotlist_save));
/* Initialise with the wimp */
error = xwimp_initialise(wimp_VERSION_RO38, task_name,
PTR_WIMP_MESSAGE_LIST(&task_messages), 0,
&task_handle);
if (error) {
NSLOG(netsurf, INFO, "xwimp_initialise: 0x%x: %s",
error->errnum, error->errmess);
die(error->errmess);
}
/* Register message handlers */
ro_message_register_route(message_HELP_REQUEST,
ro_gui_interactive_help_request);
ro_message_register_route(message_DATA_OPEN,
ro_msg_dataopen);
ro_message_register_route(message_DATA_SAVE,
ro_msg_datasave);
ro_message_register_route(message_DATA_SAVE_ACK,
ro_msg_datasave_ack);
ro_message_register_route(message_PRE_QUIT,
ro_msg_prequit);
ro_message_register_route(message_SAVE_DESKTOP,
ro_msg_save_desktop);
ro_message_register_route(message_DRAGGING,
ro_gui_selection_dragging);
ro_message_register_route(message_DRAG_CLAIM,
ro_gui_selection_drag_claim);
ro_message_register_route(message_WINDOW_INFO,
ro_msg_window_info);
/* Initialise global information */
ro_gui_get_screen_properties();
ro_gui_wimp_get_desktop_font();
/* Issue a *Desktop to poke AcornURI into life */
if (getenv("NetSurf$Start_URI_Handler"))
xwimp_start_task("Desktop", 0);
/* Open the templates */
if ((length = snprintf(path, sizeof(path),
"NetSurf:Resources.%s.Templates",
nsoption_charp(language))) < 0 || length >= (int)sizeof(path))
die("Failed to locate Templates resource.");
error = xwimp_open_template(path);
if (error) {
NSLOG(netsurf, INFO, "xwimp_open_template failed: 0x%x: %s",
error->errnum, error->errmess);
die(error->errmess);
}
/* Initialise themes before dialogs */
ro_gui_theme_initialise();
/* Initialise dialog windows (must be after UI sprites are loaded) */
ro_gui_dialog_init();
/* Initialise download window */
ro_gui_download_init();
/* Initialise menus */
ro_gui_menu_init();
/* Initialise query windows */
ro_gui_query_init();
/* Initialise toolbars */
ro_toolbar_init();
/* Initialise url bar module */
ro_gui_url_bar_init();
/* Initialise browser windows */
ro_gui_window_initialise();
/* Done with the templates file */
wimp_close_template();
/* Create Iconbar icon and menus */
ro_gui_iconbar_initialise();
/* Finally, check Inet$Resolvers for sanity */
ro_gui_check_resolvers();
open_window = nsoption_bool(open_browser_at_startup);
/* parse command-line arguments */
if (argc == 2) {
NSLOG(netsurf, INFO, "parameters: '%s'", argv[1]);
/* this is needed for launching URI files */
if (strcasecmp(argv[1], "-nowin") == 0) {
return NSERROR_OK;
}
ret = nsurl_create(NETSURF_HOMEPAGE, &url);
}
else if (argc == 3) {
NSLOG(netsurf, INFO, "parameters: '%s' '%s'", argv[1],
argv[2]);
open_window = true;
/* HTML files */
if (strcasecmp(argv[1], "-html") == 0) {
ret = netsurf_path_to_nsurl(argv[2], &url);
}
/* URL files */
else if (strcasecmp(argv[1], "-urlf") == 0) {
char *urlf = ro_gui_url_file_parse(argv[2]);
if (!urlf) {
NSLOG(netsurf, INFO, "allocation failed");
die("Insufficient memory for URL");
}
ret = nsurl_create(urlf, &url);
free(urlf);
}
/* ANT URL Load */
else if (strcasecmp(argv[1], "-url") == 0) {
ret = nsurl_create(argv[2], &url);
}
/* Unknown => exit here. */
else {
NSLOG(netsurf, INFO, "Unknown parameters: '%s' '%s'",
argv[1], argv[2]);
return NSERROR_BAD_PARAMETER;
}
}
/* get user's homepage (if configured) */
else if (nsoption_charp(homepage_url) &&
nsoption_charp(homepage_url)[0]) {
ret = nsurl_create(nsoption_charp(homepage_url), &url);
}
/* default homepage */
else {
ret = nsurl_create(NETSURF_HOMEPAGE, &url);
}
/* check for url creation error */
if (ret != NSERROR_OK) {
return ret;
}
if (open_window) {
ret = browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
NULL);
}
nsurl_unref(url);
return ret;
}
/**
* Determine the default language to use.
*
* RISC OS has no standard way of determining which language the user prefers.
* We have to guess from the 'Country' setting.
*/
const char *ro_gui_default_language(void)
{
char path[40];
const char *lang;
int country;
os_error *error;
/* choose a language from the configured country number */
error = xosbyte_read(osbyte_VAR_COUNTRY_NUMBER, &country);
if (error) {
NSLOG(netsurf, INFO, "xosbyte_read failed: 0x%x: %s",
error->errnum, error->errmess);
country = 1;
}
switch (country) {
case 7: /* Germany */
case 30: /* Austria */
case 35: /* Switzerland (70% German-speaking) */
lang = "de";
break;
case 6: /* France */
case 18: /* Canada2 (French Canada?) */
lang = "fr";
break;
case 34: /* Netherlands */
lang = "nl";
break;
default:
lang = "en";
break;
}
sprintf(path, "NetSurf:Resources.%s", lang);
if (is_dir(path))
return lang;
return "en";
}
/**
* Create a nsurl from a RISC OS pathname.
*
* Perform the necessary operations on a path to generate a nsurl.
*
* @param[in] path The RISC OS pathname to convert.
* @param[out] url_out pointer to recive the nsurl, The returned url must be
* unreferenced by the caller.
* @return NSERROR_OK and the url is placed in \a url or error code on faliure.
*/
static nserror ro_path_to_nsurl(const char *path, struct nsurl **url_out)
{
int spare;
char *canonical_path; /* canonicalised RISC OS path */
char *unix_path; /* unix path */
char *escaped_path;
os_error *error;
nserror ret;
int urllen;
char *url; /* resulting url */
/* calculate the canonical risc os path */
error = xosfscontrol_canonicalise_path(path, 0, 0, 0, 0, &spare);
if (error) {
NSLOG(netsurf, INFO,
"xosfscontrol_canonicalise_path failed: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("PathToURL", error->errmess);
return NSERROR_NOT_FOUND;
}
canonical_path = malloc(1 - spare);
if (canonical_path == NULL) {
free(canonical_path);
return NSERROR_NOMEM;
}
error = xosfscontrol_canonicalise_path(path, canonical_path, 0, 0, 1 - spare, 0);
if (error) {
NSLOG(netsurf, INFO,
"xosfscontrol_canonicalise_path failed: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("PathToURL", error->errmess);
free(canonical_path);
return NSERROR_NOT_FOUND;
}
/* create a unix path from the cananocal risc os one */
unix_path = __unixify(canonical_path, __RISCOSIFY_NO_REVERSE_SUFFIX, NULL, 0, 0);
if (unix_path == NULL) {
NSLOG(netsurf, INFO, "__unixify failed: %s", canonical_path);
free(canonical_path);
return NSERROR_BAD_PARAMETER;
}
free(canonical_path);
/* url escape the unix path */
ret = url_escape(unix_path, false, "/", &escaped_path);
if (ret != NSERROR_OK) {
free(unix_path);
return ret;
}
free(unix_path);
/* convert the escaped unix path into a url */
urllen = strlen(escaped_path) + FILE_SCHEME_PREFIX_LEN + 1;
url = malloc(urllen);
if (url == NULL) {
NSLOG(netsurf, INFO, "Unable to allocate url");
free(escaped_path);
return NSERROR_NOMEM;
}
if (*escaped_path == '/') {
snprintf(url, urllen, "%s%s",
FILE_SCHEME_PREFIX, escaped_path + 1);
} else {
snprintf(url, urllen, "%s%s",
FILE_SCHEME_PREFIX, escaped_path);
}
free(escaped_path);
ret = nsurl_create(url, url_out);
free(url);
return ret;
}
/**
* Create a path from a nsurl using posix file handling.
*
* @param[in] url The url to encode.
* @param[out] path_out A string containing the result path which should
* be freed by the caller.
* @return NSERROR_OK and the path is written to \a path or error code
* on faliure.
*/
static nserror ro_nsurl_to_path(struct nsurl *url, char **path_out)
{
lwc_string *urlpath;
size_t unpath_len;
char *unpath;
char *path;
bool match;
lwc_string *scheme;
nserror res;
char *r;
if ((url == NULL) || (path_out == NULL)) {
return NSERROR_BAD_PARAMETER;
}
scheme = nsurl_get_component(url, NSURL_SCHEME);
if (lwc_string_caseless_isequal(scheme, corestring_lwc_file,
&match) != lwc_error_ok)
{
return NSERROR_BAD_PARAMETER;
}
lwc_string_unref(scheme);
if (match == false) {
return NSERROR_BAD_PARAMETER;
}
urlpath = nsurl_get_component(url, NSURL_PATH);
if (urlpath == NULL) {
return NSERROR_BAD_PARAMETER;
}
res = url_unescape(lwc_string_data(urlpath),
lwc_string_length(urlpath),
&unpath_len,
&unpath);
lwc_string_unref(urlpath);
if (res != NSERROR_OK) {
return res;
}
/* RISC OS path should not be more than 100 characters longer */
path = malloc(unpath_len + 100);
if (path == NULL) {
free(unpath);
return NSERROR_NOMEM;
}
r = __riscosify(unpath, 0, __RISCOSIFY_NO_SUFFIX,
path, unpath_len + 100, 0);
free(unpath);
if (r == NULL) {
free(path);
return NSERROR_NOMEM;
}
*path_out = path;
return NSERROR_OK;
}
/**
* 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;
}
/**
* Close down the gui (RISC OS).
*/
static void gui_quit(void)
{
urldb_save_cookies(nsoption_charp(cookie_jar));
urldb_save(nsoption_charp(url_save));
ro_gui_window_quit();
ro_gui_local_history_finalise();
ro_gui_global_history_finalise();
ro_gui_hotlist_finalise();
ro_gui_cookies_finalise();
ro_gui_saveas_quit();
ro_gui_url_bar_fini();
rufl_quit();
free(gui_sprites);
xwimp_close_down(task_handle);
xhourglass_off();
}
/**
* Handle Close_Window_Request events.
*/
static void ro_gui_close_window_request(wimp_close *close)
{
if (ro_gui_alt_pressed())
ro_gui_window_close_all();
else {
if (ro_gui_wimp_event_close_window(close->w))
return;
ro_gui_dialog_close(close->w);
}
}
/**
* Handle key press paste callback.
*/
static void ro_gui_keypress_cb(void *pw)
{
wimp_key *key = (wimp_key *) pw;
if (ro_gui_wimp_event_keypress(key) == false) {
os_error *error = xwimp_process_key(key->c);
if (error) {
NSLOG(netsurf, INFO, "xwimp_process_key: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
free(key);
}
/**
* Handle gui keypress.
*/
static void ro_gui_keypress(wimp_key *key)
{
if (key->c == wimp_KEY_ESCAPE &&
(gui_current_drag_type == GUI_DRAG_SAVE ||
gui_current_drag_type == GUI_DRAG_DOWNLOAD_SAVE)) {
/* Allow Escape key to be used for cancelling a drag
* save (easier than finding somewhere safe to abort
* the drag)
*/
ro_gui_drag_box_cancel();
gui_current_drag_type = GUI_DRAG_NONE;
} else if (key->c == 22 /* Ctrl-V */) {
wimp_key *copy;
/* Must copy the keypress as it's on the stack */
copy = malloc(sizeof(wimp_key));
if (copy == NULL)
return;
memcpy(copy, key, sizeof(wimp_key));
ro_gui_selection_prepare_paste(key->w, ro_gui_keypress_cb, copy);
} else if (ro_gui_wimp_event_keypress(key) == false) {
os_error *error = xwimp_process_key(key->c);
if (error) {
NSLOG(netsurf, INFO, "xwimp_process_key: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
}
/**
* Handle the three User_Message events.
*/
static void ro_gui_user_message(wimp_event_no event, wimp_message *message)
{
/* attempt automatic routing */
if (ro_message_handle_message(event, message))
return;
switch (message->action) {
case message_DATA_LOAD:
ro_msg_terminate_filename((wimp_full_message_data_xfer*)message);
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE) {
if (ro_print_current_window)
ro_print_dataload_bounce(message);
} else if (ro_gui_selection_prepare_paste_dataload(
(wimp_full_message_data_xfer *) message) == false) {
ro_msg_dataload(message);
}
break;
case message_DATA_LOAD_ACK:
if (ro_print_current_window)
ro_print_cleanup();
break;
case message_MENU_WARNING:
ro_gui_menu_warning((wimp_message_menu_warning *)
&message->data);
break;
case message_MENUS_DELETED:
ro_gui_menu_message_deleted((wimp_message_menus_deleted *)
&message->data);
break;
case message_CLAIM_ENTITY:
ro_gui_selection_claim_entity((wimp_full_message_claim_entity*)message);
break;
case message_DATA_REQUEST:
ro_gui_selection_data_request((wimp_full_message_data_request*)message);
break;
case message_MODE_CHANGE:
ro_gui_get_screen_properties();
rufl_invalidate_cache();
break;
case message_PALETTE_CHANGE:
break;
case message_FONT_CHANGED:
ro_gui_wimp_get_desktop_font();
break;
case message_URI_PROCESS:
if (event != wimp_USER_MESSAGE_ACKNOWLEDGE)
ro_uri_message_received(message);
break;
case message_URI_RETURN_RESULT:
ro_uri_bounce(message);
break;
case message_INET_SUITE_OPEN_URL:
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE) {
ro_url_bounce(message);
}
else {
ro_url_message_received(message);
}
break;
#ifdef WITH_PLUGIN
case message_PLUG_IN_OPENING:
plugin_opening(message);
break;
case message_PLUG_IN_CLOSED:
plugin_closed(message);
break;
case message_PLUG_IN_RESHAPE_REQUEST:
plugin_reshape_request(message);
break;
case message_PLUG_IN_FOCUS:
break;
case message_PLUG_IN_URL_ACCESS:
plugin_url_access(message);
break;
case message_PLUG_IN_STATUS:
plugin_status(message);
break;
case message_PLUG_IN_BUSY:
break;
case message_PLUG_IN_STREAM_NEW:
plugin_stream_new(message);
break;
case message_PLUG_IN_STREAM_WRITE:
break;
case message_PLUG_IN_STREAM_WRITTEN:
plugin_stream_written(message);
break;
case message_PLUG_IN_STREAM_DESTROY:
break;
case message_PLUG_IN_OPEN:
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE)
plugin_open_msg(message);
break;
case message_PLUG_IN_CLOSE:
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE)
plugin_close_msg(message);
break;
case message_PLUG_IN_RESHAPE:
case message_PLUG_IN_STREAM_AS_FILE:
case message_PLUG_IN_NOTIFY:
case message_PLUG_IN_ABORT:
case message_PLUG_IN_ACTION:
break;
#endif
case message_PRINT_SAVE:
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE)
ro_print_save_bounce(message);
break;
case message_PRINT_ERROR:
ro_print_error(message);
break;
case message_PRINT_TYPE_ODD:
ro_print_type_odd(message);
break;
case message_HOTLIST_CHANGED:
ro_gui_hotlist_add_cleanup();
break;
case message_QUIT:
riscos_done = true;
break;
}
}
/**
* Process a Wimp_Poll event.
*
* \param event wimp event number
* \param block parameter block
*/
static void ro_gui_handle_event(wimp_event_no event, wimp_block *block)
{
switch (event) {
case wimp_NULL_REASON_CODE:
ro_gui_throb();
ro_mouse_poll();
break;
case wimp_REDRAW_WINDOW_REQUEST:
ro_gui_wimp_event_redraw_window(&block->redraw);
break;
case wimp_OPEN_WINDOW_REQUEST:
ro_gui_open_window_request(&block->open);
break;
case wimp_CLOSE_WINDOW_REQUEST:
ro_gui_close_window_request(&block->close);
break;
case wimp_POINTER_LEAVING_WINDOW:
ro_mouse_pointer_leaving_window(&block->leaving);
break;
case wimp_POINTER_ENTERING_WINDOW:
ro_gui_wimp_event_pointer_entering_window(&block->entering);
break;
case wimp_MOUSE_CLICK:
ro_gui_wimp_event_mouse_click(&block->pointer);
break;
case wimp_USER_DRAG_BOX:
ro_mouse_drag_end(&block->dragged);
break;
case wimp_KEY_PRESSED:
ro_gui_keypress(&(block->key));
break;
case wimp_MENU_SELECTION:
ro_gui_menu_selection(&(block->selection));
break;
/* Scroll requests fall back to a generic handler because we
* might get these events for any window from a scroll-wheel.
*/
case wimp_SCROLL_REQUEST:
if (!ro_gui_wimp_event_scroll_window(&(block->scroll)))
ro_gui_scroll(&(block->scroll));
break;
case wimp_USER_MESSAGE:
case wimp_USER_MESSAGE_RECORDED:
case wimp_USER_MESSAGE_ACKNOWLEDGE:
ro_gui_user_message(event, &(block->message));
break;
}
}
/**
* Poll the RISC OS wimp for events.
*/
static void riscos_poll(void)
{
wimp_event_no event;
wimp_block block;
const wimp_poll_flags mask = wimp_MASK_LOSE | wimp_MASK_GAIN | wimp_SAVE_FP;
os_t track_poll_offset;
/* Poll wimp. */
xhourglass_off();
track_poll_offset = ro_mouse_poll_interval();
if (sched_active || (track_poll_offset > 0)) {
os_t t = os_read_monotonic_time();
if (track_poll_offset > 0) {
t += track_poll_offset;
} else {
t += 10;
}
if (sched_active && (sched_time - t) < 0) {
t = sched_time;
}
event = wimp_poll_idle(mask, &block, t, 0);
} else {
event = wimp_poll(wimp_MASK_NULL | mask, &block, 0);
}
xhourglass_on();
gui_last_poll = clock();
ro_gui_handle_event(event, &block);
/* Only run scheduled callbacks on a null poll
* We cannot do this in the null event handler, as that may be called
* from gui_multitask(). Scheduled callbacks must only be run from the
* top-level.
*/
if (event == wimp_NULL_REASON_CODE) {
schedule_run();
}
ro_gui_window_update_boxes();
}
/**
* Handle Open_Window_Request events.
*/
void ro_gui_open_window_request(wimp_open *open)
{
os_error *error;
if (ro_gui_wimp_event_open_window(open))
return;
error = xwimp_open_window(open);
if (error) {
NSLOG(netsurf, INFO, "xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
}
/**
* source bounce callback.
*/
static void ro_gui_view_source_bounce(wimp_message *message)
{
char *filename;
os_error *error;
char command[256];
/* run the file as text */
filename = ((wimp_full_message_data_xfer *)message)->file_name;
sprintf(command, "@RunType_FFF %s", filename);
error = xwimp_start_task(command, 0);
if (error) {
NSLOG(netsurf, INFO, "xwimp_start_task failed: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
/**
* Send the source of a content to a text editor.
*/
void ro_gui_view_source(struct hlcache_handle *c)
{
os_error *error;
char *temp_name;
wimp_full_message_data_xfer message;
int objtype;
bool done = false;
const uint8_t *source_data;
size_t source_size;
if (!c) {
ro_warn_user("MiscError", "No document source");
return;
}
source_data = content_get_source_data(c, &source_size);
if (!source_data) {
ro_warn_user("MiscError", "No document source");
return;
}
/* try to load local files directly. */
if (netsurf_nsurl_to_path(hlcache_handle_get_url(c), &temp_name) == NSERROR_OK) {
error = xosfile_read_no_path(temp_name, &objtype, 0, 0, 0, 0);
if ((!error) && (objtype == osfile_IS_FILE)) {
snprintf(message.file_name, 212, "%s", temp_name);
message.file_name[211] = '\0';
done = true;
}
free(temp_name);
}
if (!done) {
/* We cannot release the requested filename until after it
* has finished being used. As we can't easily find out when
* this is, we simply don't bother releasing it and simply
* allow it to be re-used next time NetSurf is started. The
* memory overhead from doing this is under 1 byte per
* filename. */
char *r;
char full_name[256];
const char *filename = filename_request();
if (!filename) {
ro_warn_user("NoMemory", 0);
return;
}
snprintf(full_name, 256, "%s/%s", TEMP_FILENAME_PREFIX,
filename);
full_name[255] = '\0';
r = __riscosify(full_name, 0, __RISCOSIFY_NO_SUFFIX,
message.file_name, 212, 0);
if (r == 0) {
NSLOG(netsurf, INFO, "__riscosify failed");
return;
}
message.file_name[211] = '\0';
error = xosfile_save_stamped(message.file_name,
ro_content_filetype(c),
(byte *) source_data,
(byte *) source_data + source_size);
if (error) {
NSLOG(netsurf, INFO,
"xosfile_save_stamped failed: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("MiscError", error->errmess);
return;
}
}
/* begin the DataOpen protocol */
message.your_ref = 0;
message.size = 44 + ((strlen(message.file_name) + 4) & (~3u));
message.action = message_DATA_OPEN;
message.w = 0;
message.i = 0;
message.pos.x = 0;
message.pos.y = 0;
message.est_size = 0;
message.file_type = 0xfff;
ro_message_send_message(wimp_USER_MESSAGE_RECORDED,
(wimp_message*)&message, 0,
ro_gui_view_source_bounce);
}
/**
* Broadcast an URL that we can't handle.
*/
static nserror gui_launch_url(struct nsurl *url)
{
/* Try ant broadcast */
ro_url_broadcast(nsurl_access(url));
return NSERROR_OK;
}
/**
* Choose the language to use.
*/
static void ro_gui_choose_language(void)
{
/* if option_language exists and is valid, use that */
if (nsoption_charp(language)) {
char path[40];
if (2 < strlen(nsoption_charp(language)))
nsoption_charp(language)[2] = 0;
sprintf(path, "NetSurf:Resources.%s", nsoption_charp(language));
if (is_dir(path)) {
nsoption_setnull_charp(accept_language,
strdup(nsoption_charp(language)));
return;
}
nsoption_set_charp(language, NULL);
}
nsoption_set_charp(language, strdup(ro_gui_default_language()));
if (nsoption_charp(language) == NULL)
die("Out of memory");
nsoption_set_charp(accept_language, strdup(nsoption_charp(language)));
if (nsoption_charp(accept_language) == NULL)
die("Out of memory");
}
/**
* Display a warning for a serious problem (eg memory exhaustion).
*
* \param warning message key for warning message
* \param detail additional message, or 0
*/
nserror ro_warn_user(const char *warning, const char *detail)
{
NSLOG(netsurf, INFO, "%s %s", warning, detail);
if (dialog_warning) {
char warn_buffer[300];
snprintf(warn_buffer, sizeof warn_buffer, "%s %s",
messages_get(warning),
detail ? detail : "");
warn_buffer[sizeof warn_buffer - 1] = 0;
ro_gui_set_icon_string(dialog_warning, ICON_WARNING_MESSAGE,
warn_buffer, true);
xwimp_set_icon_state(dialog_warning, ICON_WARNING_HELP,
wimp_ICON_DELETED, wimp_ICON_DELETED);
ro_gui_dialog_open(dialog_warning);
xos_bell();
} else {
/* probably haven't initialised (properly), use a
non-multitasking error box */
os_error error;
snprintf(error.errmess, sizeof error.errmess, "%s %s",
messages_get(warning),
detail ? detail : "");
error.errmess[sizeof error.errmess - 1] = 0;
xwimp_report_error_by_category(&error,
wimp_ERROR_BOX_OK_ICON |
wimp_ERROR_BOX_GIVEN_CATEGORY |
wimp_ERROR_BOX_CATEGORY_ERROR <<
wimp_ERROR_BOX_CATEGORY_SHIFT,
"NetSurf", "!netsurf",
(osspriteop_area *) 1, 0, 0);
}
return NSERROR_OK;
}
/**
* Display an error and exit.
*
* Should only be used during initialisation.
*/
void die(const char * const error)
{
os_error warn_error;
NSLOG(netsurf, INFO, "%s", error);
warn_error.errnum = 1; /* \todo: reasonable ? */
strncpy(warn_error.errmess, messages_get(error),
sizeof(warn_error.errmess)-1);
warn_error.errmess[sizeof(warn_error.errmess)-1] = '\0';
xwimp_report_error_by_category(&warn_error,
wimp_ERROR_BOX_OK_ICON |
wimp_ERROR_BOX_GIVEN_CATEGORY |
wimp_ERROR_BOX_CATEGORY_ERROR <<
wimp_ERROR_BOX_CATEGORY_SHIFT,
"NetSurf", "!netsurf",
(osspriteop_area *) 1, 0, 0);
exit(EXIT_FAILURE);
}
/**
* Test whether it's okay to shutdown, prompting the user if not.
*
* \return true iff it's okay to shutdown immediately
*/
bool ro_gui_prequit(void)
{
return ro_gui_download_prequit();
}
/**
* Generate a riscos path from one or more component elemnts.
*
* Constructs a complete path element from passed components. The
* second (and subsequent) components have a slash substituted for all
* riscos directory separators.
*
* If a string is allocated it must be freed by the caller.
*
* @param[in,out] str pointer to string pointer if this is NULL enough
* storage will be allocated for the complete path.
* @param[in,out] size The size of the space available if \a str not
* NULL on input and if not NULL set to the total
* output length on output.
* @param[in] nelm The number of elements.
* @param[in] ap The elements of the path as string pointers.
* @return NSERROR_OK and the complete path is written to str
* or error code on faliure.
*/
static nserror riscos_mkpath(char **str, size_t *size, size_t nelm, va_list ap)
{
const char *elm[16];
size_t elm_len[16];
size_t elm_idx;
char *fname;
size_t fname_len = 0;
char *curp;
size_t idx;
/* check the parameters are all sensible */
if ((nelm == 0) || (nelm > 16)) {
return NSERROR_BAD_PARAMETER;
}
if ((*str != NULL) && (size == NULL)) {
/* if the caller is providing the buffer they must say
* how much space is available.
*/
return NSERROR_BAD_PARAMETER;
}
/* calculate how much storage we need for the complete path
* with all the elements.
*/
for (elm_idx = 0; elm_idx < nelm; elm_idx++) {
elm[elm_idx] = va_arg(ap, const char *);
/* check the argument is not NULL */
if (elm[elm_idx] == NULL) {
return NSERROR_BAD_PARAMETER;
}
elm_len[elm_idx] = strlen(elm[elm_idx]);
fname_len += elm_len[elm_idx];
}
fname_len += nelm; /* allow for separators and terminator */
/* ensure there is enough space */
fname = *str;
if (fname != NULL) {
if (fname_len > *size) {
return NSERROR_NOSPACE;
}
} else {
fname = malloc(fname_len);
if (fname == NULL) {
return NSERROR_NOMEM;
}
}
/* copy the elements in with directory separator */
curp = fname;
/* first element is not altered */
memmove(curp, elm[0], elm_len[0]);
curp += elm_len[0];
/* ensure there is a delimiter */
if (curp[-1] != DIR_SEP) {
*curp = DIR_SEP;
curp++;
}
/* subsequent elemnts have slashes substituted with directory
* separators.
*/
for (elm_idx = 1; elm_idx < nelm; elm_idx++) {
for (idx = 0; idx < elm_len[elm_idx]; idx++) {
if (elm[elm_idx][idx] == DIR_SEP) {
*curp = '/';
} else {
*curp = elm[elm_idx][idx];
}
curp++;
}
*curp = DIR_SEP;
curp++;
}
curp[-1] = 0; /* NULL terminate */
assert((curp - fname) <= (int)fname_len);
*str = fname;
if (size != NULL) {
*size = fname_len;
}
return NSERROR_OK;
}
/**
* Get the basename of a file using posix path handling.
*
* This gets the last element of a path and returns it. The returned
* element has all forward slashes translated into riscos directory
* separators.
*
* @param[in] path The path to extract the name from.
* @param[in,out] str Pointer to string pointer if this is NULL enough
* storage will be allocated for the path element.
* @param[in,out] size The size of the space available if \a
* str not NULL on input and set to the total
* output length on output.
* @return NSERROR_OK and the complete path is written to str
* or error code on faliure.
*/
static nserror riscos_basename(const char *path, char **str, size_t *size)
{
const char *leafname;
char *fname;
char *temp;
if (path == NULL) {
return NSERROR_BAD_PARAMETER;
}
leafname = strrchr(path, DIR_SEP);
if (!leafname) {
leafname = path;
} else {
leafname += 1;
}
fname = strdup(leafname);
if (fname == NULL) {
return NSERROR_NOMEM;
}
/** @todo check this leafname translation is actually required */
/* and s/\//\./g */
for (temp = fname; *temp != 0; temp++) {
if (*temp == '/') {
*temp = DIR_SEP;
}
}
*str = fname;
if (size != NULL) {
*size = strlen(fname);
}
return NSERROR_OK;
}
/**
* Ensure that all directory elements needed to store a filename exist.
*
* Given a path of x.y.z directories x and x.y will be created.
*
* @param fname The filename to ensure the path to exists.
* @return NSERROR_OK on success or error code on failure.
*/
static nserror riscos_mkdir_all(const char *fname)
{
char *dname;
char *cur;
dname = strdup(fname);
cur = dname;
while ((cur = strchr(cur, '.'))) {
*cur = '\0';
xosfile_create_dir(dname, 0);
*cur++ = '.';
}
free(dname);
return NSERROR_OK;
}
/**
* Find screen size in OS units.
*/
void ro_gui_screen_size(int *width, int *height)
{
*width = screen_info.width;
*height = screen_info.height;
}
/**
* Send the debug dump of a content to a text editor.
*/
void ro_gui_dump_browser_window(struct browser_window *bw)
{
os_error *error;
/* open file for dump */
FILE *stream = fopen("<Wimp$ScrapDir>.WWW.NetSurf.dump", "w");
if (!stream) {
NSLOG(netsurf, INFO, "fopen: errno %i", errno);
ro_warn_user("SaveError", strerror(errno));
return;
}
browser_window_debug_dump(bw, stream, CONTENT_DEBUG_RENDER);
fclose(stream);
/* launch file in editor */
error = xwimp_start_task("Filer_Run <Wimp$ScrapDir>.WWW.NetSurf.dump",
0);
if (error) {
NSLOG(netsurf, INFO, "xwimp_start_task failed: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
static struct gui_file_table riscos_file_table = {
.mkpath = riscos_mkpath,
.basename = riscos_basename,
.nsurl_to_path = ro_nsurl_to_path,
.path_to_nsurl = ro_path_to_nsurl,
.mkdir_all = riscos_mkdir_all,
};
static struct gui_fetch_table riscos_fetch_table = {
.filetype = fetch_filetype,
.get_resource_url = gui_get_resource_url,
.mimetype = fetch_mimetype,
};
static struct gui_misc_table riscos_misc_table = {
.schedule = riscos_schedule,
.quit = gui_quit,
.launch_url = gui_launch_url,
};
static char *get_cachepath(void)
{
char *cachedir;
char *cachepath = NULL;
nserror ret;
cachedir = getenv("Cache$Dir");
if ((cachedir == NULL) || (cachedir[0] == 0)) {
NSLOG(netsurf, INFO, "cachedir was null");
return NULL;
}
ret = netsurf_mkpath(&cachepath, NULL, 2, cachedir, "NetSurf");
if (ret != NSERROR_OK) {
return NULL;
}
return cachepath;
}
/**
* Normal entry point from RISC OS.
*/
int main(int argc, char** argv)
{
char *cachepath;
char path[40];
int length;
os_var_type type;
int used = -1; /* slightly better with older OSLib versions */
os_error *error;
nserror ret;
struct netsurf_table riscos_table = {
.misc = &riscos_misc_table,
.window = riscos_window_table,
.clipboard = riscos_clipboard_table,
.download = riscos_download_table,
.fetch = &riscos_fetch_table,
.file = &riscos_file_table,
.utf8 = riscos_utf8_table,
.search = riscos_search_table,
.llcache = filesystem_llcache_table,
.bitmap = riscos_bitmap_table,
.layout = riscos_layout_table,
};
ret = netsurf_register(&riscos_table);
if (ret != NSERROR_OK) {
die("NetSurf operation table failed registration");
}
/* Consult NetSurf$Logging environment variable to decide if logging
* is required. */
error = xos_read_var_val_size("NetSurf$Logging", 0, os_VARTYPE_STRING,
&used, NULL, &type);
if (error != NULL || type != os_VARTYPE_STRING || used != -2) {
verbose_log = true;
} else {
char logging_env[2];
error = xos_read_var_val("NetSurf$Logging", logging_env,
sizeof(logging_env), 0, os_VARTYPE_STRING,
&used, NULL, &type);
if (error != NULL || logging_env[0] != '0') {
verbose_log = true;
} else {
verbose_log = false;
}
}
/* initialise logging. Not fatal if it fails but not much we
* can do about it either.
*/
nslog_init(nslog_stream_configure, &argc, argv);
/* user options setup */
ret = nsoption_init(set_defaults, &nsoptions, &nsoptions_default);
if (ret != NSERROR_OK) {
die("Options failed to initialise");
}
nsoption_read("NetSurf:Choices", NULL);
nsoption_commandline(&argc, argv, NULL);
/* Choose the interface language to use */
ro_gui_choose_language();
/* select language-specific Messages */
if (((length = snprintf(path,
sizeof(path),
"NetSurf:Resources.%s.Messages",
nsoption_charp(language))) < 0) ||
(length >= (int)sizeof(path))) {
die("Failed to locate Messages resource.");
}
/* initialise messages */
messages_add_from_file(path);
/* obtain cache path */
cachepath = get_cachepath();
/* common initialisation */
ret = netsurf_init(cachepath);
free(cachepath);
if (ret != NSERROR_OK) {
die("NetSurf failed to initialise core");
}
artworks_init();
draw_init();
sprite_init();
/* Load some extra RISC OS specific Messages */
messages_add_from_file("NetSurf:Resources.LangNames");
ret = gui_init(argc, argv);
if (ret != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(ret), 0);
}
while (!riscos_done) {
riscos_poll();
}
netsurf_exit();
nsoption_finalise(nsoptions, nsoptions_default);
/* finalise logging */
nslog_finalise();
return 0;
}
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