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netsurf/riscos/gui.c
John Mark Bell f5d8e5856c [project @ 2004-04-13 16:15:23 by jmb] 
Move hot spot of caret pointer down.
Tidy up caret pointer sprite

svn path=/import/netsurf/; revision=772
2004-04-13 16:15:23 +00:00

1342 lines
32 KiB
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/*
* 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 2003 Phil Mellor <monkeyson@users.sourceforge.net>
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
*/
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unixlib/features.h>
#include <unixlib/local.h>
#include "oslib/font.h"
#include "oslib/hourglass.h"
#include "oslib/inetsuite.h"
#include "oslib/os.h"
#include "oslib/osbyte.h"
#include "oslib/osfile.h"
#include "oslib/osfscontrol.h"
#include "oslib/osspriteop.h"
#include "oslib/plugin.h"
#include "oslib/wimp.h"
#include "oslib/wimpspriteop.h"
#include "oslib/uri.h"
#include "netsurf/utils/config.h"
#include "netsurf/desktop/gui.h"
#include "netsurf/desktop/netsurf.h"
#include "netsurf/desktop/options.h"
#include "netsurf/render/font.h"
#include "netsurf/render/form.h"
#include "netsurf/render/html.h"
#include "netsurf/riscos/constdata.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/options.h"
#ifdef WITH_PLUGIN
#include "netsurf/riscos/plugin.h"
#endif
#include "netsurf/riscos/theme.h"
#ifdef WITH_URI
#include "netsurf/riscos/uri.h"
#endif
#ifdef WITH_URL
#include "netsurf/riscos/url_protocol.h"
#endif
#include "netsurf/utils/log.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/utils.h"
const char *__dynamic_da_name = "NetSurf"; /**< For UnixLib. */
int __feature_imagefs_is_file = 1; /**< For UnixLib. */
char *NETSURF_DIR;
wimp_menu *combo_menu;
struct form_control *current_gadget;
gui_window *over_window = 0; /**< Window which the pointer is over. */
bool gui_reformat_pending = false; /**< Some windows have been resized,
and should be reformatted. */
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 *pointers; /**< Sprite area containing pointer data */
gui_pointer_shape curr_pointer; /**< Current shape of the pointer */
/** Accepted wimp user messages. */
static const wimp_MESSAGE_LIST(27) task_messages = { {
message_DATA_SAVE,
message_DATA_SAVE_ACK,
message_DATA_LOAD,
message_DATA_OPEN,
message_MENU_WARNING,
#ifdef WITH_URI
message_URI_PROCESS,
message_URI_RETURN_RESULT,
#endif
#ifdef WITH_URL
message_INET_SUITE_OPEN_URL,
#endif
#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
0
} };
struct ro_gui_poll_block {
wimp_event_no event;
wimp_block *block;
struct ro_gui_poll_block *next;
};
struct ro_gui_poll_block *ro_gui_poll_queued_blocks = 0;
static void ro_gui_choose_language(void);
static void ro_gui_check_fonts(void);
static void ro_gui_pointers_init(void);
static void ro_gui_icon_bar_create(void);
static void ro_gui_handle_event(wimp_event_no event, wimp_block *block);
static void ro_gui_poll_queue(wimp_event_no event, wimp_block* block);
static void ro_gui_null_reason_code(void);
static void ro_gui_redraw_window_request(wimp_draw *redraw);
static void ro_gui_open_window_request(wimp_open *open);
static void ro_gui_close_window_request(wimp_close *close);
static void ro_gui_mouse_click(wimp_pointer *pointer);
static void ro_gui_icon_bar_click(wimp_pointer* pointer);
static void ro_gui_drag_end(wimp_dragged *drag);
static void ro_gui_keypress(wimp_key* key);
static void ro_gui_user_message(wimp_event_no event, wimp_message *message);
static void ro_msg_datasave(wimp_message* block);
static void ro_msg_dataload(wimp_message* block);
static void ro_msg_datasave_ack(wimp_message* message);
static void ro_msg_dataopen(wimp_message* block);
static char *ro_path_to_url(const char *path);
/**
* Initialise the gui (RISC OS specific part).
*/
void gui_init(int argc, char** argv)
{
char path[40];
char theme_fname[256];
os_error *error;
xhourglass_start(1);
options_read("Choices:WWW.NetSurf.Choices");
ro_gui_choose_language();
NETSURF_DIR = getenv("NetSurf$Dir");
sprintf(path, "<NetSurf$Dir>.Resources.%s.Messages", option_language);
messages_load(path);
messages_load("<NetSurf$Dir>.Resources.LangNames");
error = xwimp_initialise(wimp_VERSION_RO38, "NetSurf",
(wimp_message_list*) &task_messages, 0,
&task_handle);
if (error) {
LOG(("xwimp_initialise failed: 0x%x: %s",
error->errnum, error->errmess));
exit(EXIT_FAILURE);
}
ro_gui_check_fonts();
/* Issue a *Desktop to poke AcornURI into life */
if (getenv("NetSurf$Start_URI_Handler"))
xwimp_start_task("Desktop", 0);
if (option_theme) {
snprintf(theme_fname, sizeof(theme_fname),
"<NetSurf$Dir>.Themes.%s", option_theme);
/* check if theme directory exists */
if (!is_dir(theme_fname)) {
free(option_theme);
option_theme = 0;
sprintf(theme_fname, "<NetSurf$Dir>.Themes.Default");
}
} else {
strcpy(theme_fname, "<NetSurf$Dir>.Themes.Default");
}
ro_theme_load(theme_fname);
sprintf(path, "<NetSurf$Dir>.Resources.%s.Templates", option_language);
error = xwimp_open_template(path);
if (error) {
LOG(("xwimp_open_template failed: 0x%x: %s",
error->errnum, error->errmess));
die(error->errmess);
}
ro_gui_dialog_init();
ro_gui_download_init();
ro_gui_menus_init();
#ifdef WITH_AUTH
ro_gui_401login_init();
#endif
ro_gui_history_init();
wimp_close_template();
ro_gui_pointers_init();
ro_gui_icon_bar_create();
}
/**
* Determine the language to use.
*
* RISC OS has no standard way of determining which language the user prefers.
* We have to guess from the 'Country' setting.
*/
void ro_gui_choose_language(void)
{
char path[40];
const char *lang;
int country;
os_error *error;
/* if option_language exists and is valid, use that */
if (option_language) {
if (2 < strlen(option_language))
option_language[2] = 0;
sprintf(path, "<NetSurf$Dir>.Resources.%s", option_language);
if (is_dir(path)) {
if (!option_accept_language)
option_accept_language = strdup(option_language);
return;
}
free(option_language);
option_language = 0;
}
/* choose a language from the configured country number */
error = xosbyte_read(osbyte_VAR_COUNTRY_NUMBER, &country);
if (error) {
LOG(("xosbyte_read failed: 0x%x: %s",
error->errnum, error->errmess));
country = 1;
}
switch (country) {
case 6: /* France */
case 18: /* Canada2 (French Canada?) */
lang = "fr";
break;
default:
lang = "en";
break;
}
sprintf(path, "<NetSurf$Dir>.Resources.%s", lang);
if (is_dir(path))
option_language = strdup(lang);
else
option_language = strdup("en");
assert(option_language);
if (!option_accept_language)
option_accept_language = strdup(option_language);
}
/**
* Check that at least Homerton.Medium is available.
*/
void ro_gui_check_fonts(void)
{
char s[252];
font_f font;
os_error *error;
error = xfont_find_font("Homerton.Medium\\ELatin1",
160, 160, 0, 0, &font, 0, 0);
if (error) {
if (error->errnum == error_FILE_NOT_FOUND) {
warn_user("FontBadInst");
xwimp_start_task("TaskWindow -wimpslot 200K -quit "
"<NetSurf$Dir>.FixFonts", 0);
exit(EXIT_FAILURE);
} else {
snprintf(s, sizeof s, messages_get("FontError"),
error->errmess);
die(s);
}
}
error = xfont_lose_font(font);
if (error) {
snprintf(s, sizeof s, messages_get("FontError"),
error->errmess);
die(s);
}
}
/**
* Initialise pointer sprite area.
*/
void ro_gui_pointers_init(void)
{
int len;
fileswitch_object_type obj_type;
os_error *e;
e = xosfile_read_stamped_no_path("<NetSurf$Dir>.Resources.Pointers",
&obj_type, 0, 0, &len, 0, 0);
if (e) {
LOG(("xosfile_read_stamped_no_path: 0x%x: %s",
e->errnum, e->errmess));
die(e->errmess);
}
if (obj_type != fileswitch_IS_FILE)
die("<NetSurf$Dir>.Resources.Pointers missing.");
pointers = malloc(len + 4);
if (!pointers)
die("NoMemory");
pointers->size = len+4;
pointers->sprite_count = 0;
pointers->first = 16;
pointers->used = 16;
e = xosspriteop_load_sprite_file(osspriteop_USER_AREA,
pointers, "<NetSurf$Dir>.Resources.Pointers");
if (e) {
LOG(("xosspriteop_load_sprite_file: 0x%x: %s",
e->errnum, e->errmess));
die(e->errmess);
}
}
/**
* Create an iconbar icon.
*/
void ro_gui_icon_bar_create(void)
{
wimp_icon_create icon = {
wimp_ICON_BAR_RIGHT,
{ { 0, 0, 68, 68 },
wimp_ICON_SPRITE | wimp_ICON_HCENTRED | wimp_ICON_VCENTRED |
(wimp_BUTTON_CLICK << wimp_ICON_BUTTON_TYPE_SHIFT),
{ "!netsurf" } } };
wimp_create_icon(&icon);
}
/**
* Close down the gui (RISC OS).
*/
void gui_quit(void)
{
ro_gui_history_quit();
free(pointers);
wimp_close_down(task_handle);
xhourglass_off();
}
/**
* Poll the OS for events (RISC OS).
*
* \param active return as soon as possible
*/
void gui_poll(bool active)
{
wimp_event_no event;
wimp_block block;
const wimp_poll_flags mask = wimp_MASK_LOSE | wimp_MASK_GAIN;
gui_window *g;
/* Process queued events. */
while (ro_gui_poll_queued_blocks) {
struct ro_gui_poll_block *next;
ro_gui_handle_event(ro_gui_poll_queued_blocks->event,
ro_gui_poll_queued_blocks->block);
next = ro_gui_poll_queued_blocks->next;
free(ro_gui_poll_queued_blocks->block);
free(ro_gui_poll_queued_blocks);
ro_gui_poll_queued_blocks = next;
}
/* Poll wimp. */
xhourglass_off();
if (active) {
event = wimp_poll(mask, &block, 0);
} else if (sched_active && (over_window || gui_reformat_pending)) {
os_t t = os_read_monotonic_time() + 10;
if (sched_time < t)
t = sched_time;
event = wimp_poll_idle(mask, &block, t, 0);
} else if (sched_active) {
event = wimp_poll_idle(mask, &block, sched_time, 0);
} else if (over_window || gui_reformat_pending) {
os_t t = os_read_monotonic_time();
event = wimp_poll_idle(mask, &block, t + 10, 0);
} else {
event = wimp_poll(wimp_MASK_NULL | mask, &block, 0);
}
xhourglass_on();
gui_last_poll = clock();
ro_gui_handle_event(event, &block);
schedule_run();
if (gui_reformat_pending && event == wimp_NULL_REASON_CODE) {
for (g = window_list; g; g = g->next) {
if (g->type == GUI_BROWSER_WINDOW && g->data.browser.reformat_pending) {
content_reformat(g->data.browser.bw->current_content,
g->data.browser.old_width / 2 / g->scale,
1000);
g->data.browser.reformat_pending = false;
}
}
gui_reformat_pending = false;
}
}
/**
* Process a Wimp_Poll event.
*
* \param event wimp event number
* \param block parameter block
*/
void ro_gui_handle_event(wimp_event_no event, wimp_block *block)
{
switch (event) {
case wimp_NULL_REASON_CODE:
ro_gui_null_reason_code();
break;
case wimp_REDRAW_WINDOW_REQUEST:
ro_gui_redraw_window_request(&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:
if (over_window == history_window)
wimp_close_window(dialog_tooltip);
over_window = 0;
gui_window_set_pointer(GUI_POINTER_DEFAULT);
break;
case wimp_POINTER_ENTERING_WINDOW:
over_window = ro_lookup_gui_from_w(block->entering.w);
if (over_window == 0 && block->entering.w == history_window)
over_window = history_window;
break;
case wimp_MOUSE_CLICK:
ro_gui_mouse_click(&block->pointer);
break;
case wimp_USER_DRAG_BOX:
ro_gui_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;
case wimp_SCROLL_REQUEST:
ro_gui_scroll_request(&(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;
}
}
/**
* Check for important events and yield CPU (RISC OS).
*
* Required on RISC OS for cooperative multitasking.
*/
void gui_multitask(void)
{
wimp_event_no event;
wimp_block block;
if (clock() < gui_last_poll + 10)
return;
xhourglass_off();
event = wimp_poll(wimp_MASK_LOSE | wimp_MASK_GAIN, &block, 0);
xhourglass_on();
gui_last_poll = clock();
switch (event) {
case wimp_CLOSE_WINDOW_REQUEST:
/* \todo close the window, and destroy content
* or abort loading of content */
break;
case wimp_KEY_PRESSED:
case wimp_MENU_SELECTION:
ro_gui_poll_queue(event, &block);
break;
default:
ro_gui_handle_event(event, &block);
break;
}
}
/**
* Add a wimp_block to the queue for later handling.
*/
void ro_gui_poll_queue(wimp_event_no event, wimp_block *block)
{
struct ro_gui_poll_block *q =
xcalloc(1, sizeof(struct ro_gui_poll_block));
q->event = event;
q->block = xcalloc(1, sizeof(*block));
memcpy(q->block, block, sizeof(*block));
q->next = NULL;
if (ro_gui_poll_queued_blocks == NULL) {
ro_gui_poll_queued_blocks = q;
return;
} else {
struct ro_gui_poll_block *current =
ro_gui_poll_queued_blocks;
while (current->next != NULL)
current = current->next;
current->next = q;
}
return;
}
/**
* Handle Null_Reason_Code events.
*/
void ro_gui_null_reason_code(void)
{
ro_gui_throb();
if (over_window) {
wimp_pointer pointer;
wimp_get_pointer_info(&pointer);
ro_gui_window_mouse_at(&pointer);
}
}
/**
* Change mouse pointer shape
*/
void gui_window_set_pointer(gui_pointer_shape shape)
{
if (shape == curr_pointer) return;
switch (shape) {
case GUI_POINTER_DEFAULT:
xwimpspriteop_set_pointer_shape("ptr_default",
1, 0, 0, 0, 0);
break;
case GUI_POINTER_POINT:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_point", 1, 6, 0, 0, 0);
break;
case GUI_POINTER_CARET:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_caret", 1, 5, 10, 0, 0);
break;
case GUI_POINTER_MENU:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_menu", 1, 6, 4, 0, 0);
break;
case GUI_POINTER_UD:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_ud", 1, 6, 0, 0, 0);
break;
case GUI_POINTER_LR:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_lr", 1, 0, 6, 0, 0);
break;
case GUI_POINTER_LD:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_ld", 1, 13, 0, 0, 0);
break;
case GUI_POINTER_RD:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_rd", 1, 0, 0, 0, 0);
break;
case GUI_POINTER_CROSS:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_cross", 1, 8, 0, 0, 0);
break;
case GUI_POINTER_MOVE:
xosspriteop_set_pointer_shape(0x100, pointers,
(osspriteop_id)"ptr_move", 1, 8, 0, 0, 0);
break;
}
curr_pointer = shape;
}
void gui_launch_url(char *url) {
/* Try ant broadcast first */
if (!ro_url_broadcast(url))
/* then uri */
if (!ro_uri_launch(url))
/* then ant load */
ro_url_load(url);
}
/**
* Handle Redraw_Window_Request events.
*/
void ro_gui_redraw_window_request(wimp_draw *redraw)
{
gui_window *g;
if (redraw->w == dialog_config_th)
ro_gui_redraw_config_th(redraw);
else if (redraw->w == history_window)
ro_gui_history_redraw(redraw);
else {
g = ro_lookup_gui_from_w(redraw->w);
if (g != NULL)
ro_gui_window_redraw(g, redraw);
else {
osbool more = wimp_redraw_window(redraw);
while (more)
more = wimp_get_rectangle(redraw);
}
}
}
/**
* Handle Open_Window_Request events.
*/
void ro_gui_open_window_request(wimp_open *open)
{
gui_window *g;
g = ro_lookup_gui_from_w(open->w);
if (g)
ro_gui_window_open(g, open);
else
wimp_open_window(open);
}
/**
* Handle Close_Window_Request events.
*/
void ro_gui_close_window_request(wimp_close *close)
{
gui_window *g;
g = ro_lookup_gui_from_w(close->w);
if (g) {
browser_window_destroy(g->data.browser.bw
#ifdef WITH_FRAMES
, true
#endif
);
} else
ro_gui_dialog_close(close->w);
}
/**
* Handle Mouse_Click events.
*/
void ro_gui_mouse_click(wimp_pointer *pointer)
{
gui_window *g = ro_gui_window_lookup(pointer->w);
if (pointer->w == wimp_ICON_BAR)
ro_gui_icon_bar_click(pointer);
else if (pointer->w == history_window)
ro_gui_history_click(pointer);
else if (g && g->type == GUI_BROWSER_WINDOW && g->window == pointer->w)
ro_gui_window_click(g, pointer);
else if (g && g->type == GUI_BROWSER_WINDOW &&
g->data.browser.toolbar == pointer->w)
ro_gui_toolbar_click(g, pointer);
else if (g && g->type == GUI_DOWNLOAD_WINDOW)
ro_download_window_click(g, pointer);
else if (pointer->w == dialog_saveas)
ro_gui_save_click(pointer);
else
ro_gui_dialog_click(pointer);
}
/**
* Handle Mouse_Click events on the iconbar icon.
*/
void ro_gui_icon_bar_click(wimp_pointer *pointer)
{
if (pointer->buttons == wimp_CLICK_MENU) {
ro_gui_create_menu(iconbar_menu, pointer->pos.x - 64,
96 + iconbar_menu_height, NULL);
} else if (pointer->buttons == wimp_CLICK_SELECT) {
char url[80];
sprintf(url, "file:///%%3CNetSurf$Dir%%3E/Docs/intro_%s",
option_language);
browser_window_create(url);
}
}
/**
* Handle User_Drag_Box events.
*/
void ro_gui_drag_end(wimp_dragged *drag)
{
switch (gui_current_drag_type) {
case GUI_DRAG_SELECTION:
ro_gui_selection_drag_end(drag);
break;
case GUI_DRAG_DOWNLOAD_SAVE:
ro_download_drag_end(drag);
break;
case GUI_DRAG_SAVE:
ro_gui_save_drag_end(drag);
break;
}
}
/**
* Handle Key_Pressed events.
*/
void ro_gui_keypress(wimp_key *key)
{
bool handled = false;
gui_window *g = ro_gui_window_lookup(key->w);
if (!g) {
handled = ro_gui_dialog_keypress(key);
if (!handled)
wimp_process_key(key->c);
return;
}
switch (g->type) {
case GUI_BROWSER_WINDOW:
handled = ro_gui_window_keypress(g, key->c,
(bool) (g->data.browser.toolbar == key->w));
break;
case GUI_DOWNLOAD_WINDOW:
break;
}
if (!handled)
wimp_process_key(key->c);
}
/**
* Handle the three User_Message events.
*/
void ro_gui_user_message(wimp_event_no event, wimp_message *message)
{
switch (message->action) {
case message_DATA_SAVE:
ro_msg_datasave(message);
break;
case message_DATA_SAVE_ACK:
ro_msg_datasave_ack(message);
break;
case message_DATA_LOAD:
ro_msg_dataload(message);
break;
case message_DATA_OPEN:
ro_msg_dataopen(message);
break;
case message_MENU_WARNING:
ro_gui_menu_warning((wimp_message_menu_warning *)
&message->data);
break;
#ifdef WITH_URI
case message_URI_PROCESS:
if (event != wimp_USER_MESSAGE_ACKNOWLEDGE)
ro_uri_message_received(message);
break;
case message_URI_RETURN_RESULT:
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE)
ro_uri_bounce(message);
break;
#endif
#ifdef WITH_URL
case message_INET_SUITE_OPEN_URL:
if (event == wimp_USER_MESSAGE_ACKNOWLEDGE) {
ro_url_bounce(message);
}
else {
ro_url_message_received(message);
}
break;
#endif
#ifdef WITH_PLUGIN
case message_PLUG_IN_OPENING:
case message_PLUG_IN_CLOSED:
case message_PLUG_IN_RESHAPE_REQUEST:
case message_PLUG_IN_FOCUS:
case message_PLUG_IN_URL_ACCESS:
case message_PLUG_IN_STATUS:
case message_PLUG_IN_BUSY:
case message_PLUG_IN_STREAM_NEW:
case message_PLUG_IN_STREAM_WRITE:
case message_PLUG_IN_STREAM_WRITTEN:
case message_PLUG_IN_STREAM_DESTROY:
case message_PLUG_IN_OPEN:
case message_PLUG_IN_CLOSE:
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:
plugin_msg_parse(message,
event == wimp_USER_MESSAGE_ACKNOWLEDGE);
break;
#endif
case message_QUIT:
netsurf_quit = true;
break;
}
}
void gui_gadget_combo(struct browser_window* bw, struct form_control* g, unsigned long mx, unsigned long my)
{
int count = 0;
struct form_option* o;
wimp_pointer pointer;
if (combo_menu != NULL)
xfree(combo_menu);
o = g->data.select.items;
while (o != NULL)
{
count++;
o = o->next;
}
combo_menu = xcalloc(1, wimp_SIZEOF_MENU(count));
combo_menu->title_data.indirected_text.text =
messages_get("SelectMenu");
combo_menu->title_fg = wimp_COLOUR_BLACK;
combo_menu->title_bg = wimp_COLOUR_LIGHT_GREY;
combo_menu->work_fg = wimp_COLOUR_BLACK;
combo_menu->work_bg = wimp_COLOUR_WHITE;
combo_menu->width = 0;
combo_menu->height = wimp_MENU_ITEM_HEIGHT;
combo_menu->gap = wimp_MENU_ITEM_GAP;
o = g->data.select.items;
count = 0;
while (o != NULL)
{
combo_menu->entries[count].menu_flags = 0;
if (count == 0)
combo_menu->entries[count].menu_flags = wimp_MENU_TITLE_INDIRECTED;
if (o->selected)
combo_menu->entries[count].menu_flags |= wimp_MENU_TICKED;
if (o->next == NULL)
combo_menu->entries[count].menu_flags |= wimp_MENU_LAST;
combo_menu->entries[count].sub_menu = wimp_NO_SUB_MENU;
combo_menu->entries[count].icon_flags = wimp_ICON_TEXT | wimp_ICON_INDIRECTED | wimp_ICON_FILLED | wimp_ICON_VCENTRED | (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) | (wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT) | (wimp_BUTTON_MENU_ICON << wimp_ICON_BUTTON_TYPE_SHIFT);
combo_menu->entries[count].data.indirected_text.text = o->text;
combo_menu->entries[count].data.indirected_text.validation = "\0";
combo_menu->entries[count].data.indirected_text.size = strlen(o->text);
count++;
o = o->next;
}
wimp_get_pointer_info(&pointer);
current_gadget = g;
ro_gui_create_menu(combo_menu, pointer.pos.x - 64, pointer.pos.y, bw->window);
}
void ro_msg_datasave(wimp_message* block)
{
gui_window* gui;
struct browser_window* bw;
wimp_message_data_xfer* data;
int x,y;
struct box_selection* click_boxes;
int found, plot_index;
int i;
wimp_window_state state;
data = &block->data.data_xfer;
gui = ro_lookup_gui_from_w(data->w);
if (gui == NULL)
return;
bw = gui->data.browser.bw;
state.w = data->w;
wimp_get_window_state(&state);
x = window_x_units(data->pos.x, &state) / 2;
y = -window_y_units(data->pos.y, &state) / 2;
found = 0;
click_boxes = NULL;
plot_index = 0;
box_under_area(bw->current_content,
bw->current_content->data.html.layout->children,
(unsigned int)x, (unsigned int)y, 0, 0, &click_boxes,
&found, &plot_index);
if (found == 0)
return;
for (i = found - 1; i >= 0; i--)
{
if (click_boxes[i].box->gadget != NULL)
{
if (click_boxes[i].box->gadget->type == GADGET_TEXTAREA && data->file_type == 0xFFF)
{
/* load the text in! */
fprintf(stderr, "REPLYING TO MESSAGE MATE\n");
block->action = message_DATA_SAVE_ACK;
block->your_ref = block->my_ref;
block->my_ref = 0;
strcpy(block->data.data_xfer.file_name, "<Wimp$Scrap>");
wimp_send_message(wimp_USER_MESSAGE, block, block->sender);
}
}
}
xfree(click_boxes);
}
/**
* Handle Message_DataLoad (file dragged in).
*/
void ro_msg_dataload(wimp_message *message)
{
char *url = 0;
gui_window *gui = 0;
if (message->data.data_xfer.w != wimp_ICON_BAR &&
(gui = ro_lookup_gui_from_w(message->data.data_xfer.w)) == NULL) {
return;
}
if (message->data.data_xfer.file_type != 0xfaf &&
message->data.data_xfer.file_type != 0x695 &&
message->data.data_xfer.file_type != 0xaff &&
message->data.data_xfer.file_type != 0xb60 &&
message->data.data_xfer.file_type != 0xc85 &&
message->data.data_xfer.file_type != 0xff9 &&
message->data.data_xfer.file_type != 0xfff &&
message->data.data_xfer.file_type != 0xf91 &&
message->data.data_xfer.file_type != 0xb28)
return;
/* uri file
* Format: Each "line" is separated by a tab.
* Comments are prefixed by a "#"
*
* Line: Content:
* 1 URI
* 2 100 (version of file format * 100)
* 3 An URL (eg http;//www.google.com/)
* 4 Title associated with URL (eg Google)
*/
if (message->data.data_xfer.file_type == 0xf91) {
char *buf, *temp;
int lineno=0;
buf = load(message->data.data_xfer.file_name);
temp = strtok(buf, "\t");
if (!temp) {
xfree(buf);
return;
}
if (temp[0] != '#') lineno = 1;
while (temp && lineno<=2) {
temp = strtok('\0', "\t");
if (!temp) break;
if (temp[0] == '#') continue; /* ignore commented lines */
lineno++;
}
if (!temp) {
xfree(buf);
return;
}
url = xstrdup(temp);
xfree(buf);
}
/* url file */
if (message->data.data_xfer.file_type == 0xb28) {
char *temp;
FILE *fp = fopen(message->data.data_xfer.file_name, "r");
if (!fp) return;
url = xcalloc(256, sizeof(char));
temp = fgets(url, 256, fp);
fclose(fp);
if (!temp) return;
if (url[strlen(url)-1] == '\n') {
url[strlen(url)-1] = '\0';
}
}
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
wimp_send_message(wimp_USER_MESSAGE, message, message->sender);
/* create a new window with the file */
if (message->data.data_xfer.file_type != 0xb28 &&
message->data.data_xfer.file_type != 0xf91) {
url = ro_path_to_url(message->data.data_xfer.file_name);
}
if (!url)
return;
if (gui) {
gui_window_set_url(gui, url);
browser_window_go(gui->data.browser.bw, url);
}
else {
browser_window_create(url);
}
free(url);
#if 0
gui_window* gui;
struct browser_window* bw;
wimp_message_data_xfer* data;
int x,y;
struct box_selection* click_boxes;
int found, plot_index;
int i;
wimp_window_state state;
data = &block->data.data_xfer;
gui = ro_lookup_gui_from_w(data->w);
if (gui == NULL)
return;
bw = gui->data.browser.bw;
state.w = data->w;
wimp_get_window_state(&state);
x = window_x_units(data->pos.x, &state) / 2;
y = -window_y_units(data->pos.y, &state) / 2;
found = 0;
click_boxes = NULL;
plot_index = 0;
box_under_area(bw->current_content,
bw->current_content->data.html.layout->children,
(unsigned int)x, (unsigned int)y, 0, 0, &click_boxes,
&found, &plot_index);
if (found == 0)
return;
for (i = found - 1; i >= 0; i--)
{
if (click_boxes[i].box->gadget != NULL)
{
if (click_boxes[i].box->gadget->type == GADGET_TEXTAREA && data->file_type == 0xFFF)
{
/* load the text in! */
/* TODO */
}
}
}
xfree(click_boxes);
#endif
}
/**
* Handle Message_DataSaveAck.
*/
void ro_msg_datasave_ack(wimp_message *message)
{
switch (gui_current_drag_type) {
case GUI_DRAG_DOWNLOAD_SAVE:
ro_download_datasave_ack(message);
break;
case GUI_DRAG_SAVE:
ro_gui_save_datasave_ack(message);
break;
default:
break;
}
}
/**
* Handle Message_DataOpen (double-click on file in the Filer).
*/
void ro_msg_dataopen(wimp_message *message)
{
char *url = 0;
if (message->data.data_xfer.file_type != 0xfaf &&
message->data.data_xfer.file_type != 0xb28)
/* ignore all but HTML and URL */
return;
/* url file */
if (message->data.data_xfer.file_type == 0xb28) {
char *temp;
FILE *fp = fopen(message->data.data_xfer.file_name, "r");
if (!fp) return;
url = xcalloc(256, sizeof(char));
temp = fgets(url, 256, fp);
fclose(fp);
if (!temp) return;
if (url[strlen(url)-1] == '\n') {
url[strlen(url)-1] = '\0';
}
}
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
wimp_send_message(wimp_USER_MESSAGE, message, message->sender);
/* create a new window with the file */
if (message->data.data_xfer.file_type != 0xb28) {
url = ro_path_to_url(message->data.data_xfer.file_name);
}
if (url) {
browser_window_create(url);
free(url);
}
}
/**
* Convert a RISC OS pathname to a file: URL.
*
* \param path RISC OS pathname
* \return URL, allocated on heap, or 0 on failure
*/
char *ro_path_to_url(const char *path)
{
int spare;
char *buffer = 0;
char *url = 0;
os_error *error;
error = xosfscontrol_canonicalise_path(path, 0, 0, 0, 0, &spare);
if (error) {
LOG(("xosfscontrol_canonicalise_path failed: 0x%x: %s",
error->errnum, error->errmess));
warn_user(error->errmess);
return 0;
}
buffer = malloc(1 - spare);
url = malloc(1 - spare + 10);
if (!buffer || !url) {
LOG(("malloc failed"));
warn_user("NoMemory");
free(buffer);
free(url);
return 0;
}
error = xosfscontrol_canonicalise_path(path, buffer, 0, 0, 1 - spare,
0);
if (error) {
LOG(("xosfscontrol_canonicalise_path failed: 0x%x: %s",
error->errnum, error->errmess));
warn_user(error->errmess);
free(buffer);
free(url);
return 0;
}
strcpy(url, "file:");
__unixify(buffer, __RISCOSIFY_NO_REVERSE_SUFFIX, url + 5,
1 - spare + 5, 0);
free(buffer);
return url;
}
/**
* Find screen size in OS units.
*/
void ro_gui_screen_size(int *width, int *height)
{
int xeig_factor, yeig_factor, xwind_limit, ywind_limit;
os_read_mode_variable(os_CURRENT_MODE, os_MODEVAR_XEIG_FACTOR, &xeig_factor);
os_read_mode_variable(os_CURRENT_MODE, os_MODEVAR_YEIG_FACTOR, &yeig_factor);
os_read_mode_variable(os_CURRENT_MODE, os_MODEVAR_XWIND_LIMIT, &xwind_limit);
os_read_mode_variable(os_CURRENT_MODE, os_MODEVAR_YWIND_LIMIT, &ywind_limit);
*width = (xwind_limit + 1) << xeig_factor;
*height = (ywind_limit + 1) << yeig_factor;
}
void ro_gui_open_help_page(void)
{
char url[80];
sprintf(url, "file:///%%3CNetSurf$Dir%%3E/Docs/docs_%s",
option_language);
browser_window_create(url);
}
/**
* Send the source of a content to a text editor.
*/
void ro_gui_view_source(struct content *content)
{
xosfile_save_stamped("<Wimp$Scrap>", 0xfff,
content->source_data,
content->source_data + content->source_size);
xos_cli("Filer_Run <Wimp$Scrap>");
xosfile_set_type("<Wimp$Scrap>", ro_content_filetype(content));
}
static os_error warn_error = { 1, "" };
/**
* Display a warning for a serious problem (eg memory exhaustion).
*
* \param warning message key for warning message
*/
void warn_user(const char *warning)
{
strncpy(warn_error.errmess, messages_get(warning), 252);
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);
}
/**
* Display an error and exit.
*
* Should only be used during initialisation.
*/
void die(const char *error)
{
warn_user(error);
exit(EXIT_FAILURE);
}
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