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d6f9f025f2
netsurf/riscos/gui.c
James Bursa d6f9f025f2 [project @ 2003-12-21 02:27:22 by bursa] 
Improved scrolling by mouse and keyboard.

svn path=/import/netsurf/; revision=437
2003-12-21 02:27:22 +00:00

1000 lines
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C
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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 2003 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/local.h>
#include "oslib/os.h"
#include "oslib/osfile.h"
#include "oslib/plugin.h"
#include "oslib/wimp.h"
#include "oslib/uri.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/about.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/plugin.h"
#include "netsurf/riscos/theme.h"
#include "netsurf/riscos/uri.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/utils.h"
const char *__dynamic_da_name = "NetSurf"; /**< For UnixLib. */
const char *HOME_URL = "file:///%3CNetSurf$Dir%3E/Docs/en/intro";
const char *HELP_URL = "file:///%3CNetSurf$Dir%3E/Docs/en/index";
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. */
static wimp_t task_handle; /**< RISC OS wimp task handle. */
/** Accepted wimp user messages. */
static const wimp_MESSAGE_LIST(24) task_messages = { {
message_DATA_SAVE,
message_DATA_SAVE_ACK,
message_DATA_LOAD,
message_DATA_OPEN,
message_URI_PROCESS,
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) */
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_icon_bar_create(void);
static void ro_gui_poll_queue(wimp_event_no event, wimp_block* block);
static void ro_gui_icon_bar_click(wimp_pointer* pointer);
static void ro_gui_keypress(wimp_key* key);
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 int ro_save_data(void *data, unsigned long length, char *file_name, bits file_type);
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 theme_fname[256];
NETSURF_DIR = getenv("NetSurf$Dir");
messages_load("<NetSurf$Dir>.Resources.en.Messages");
task_handle = wimp_initialise(wimp_VERSION_RO38, "NetSurf",
(wimp_message_list*) &task_messages, 0);
/* Issue a *Desktop to poke AcornURI into life */
if (getenv("NetSurf$Start_URI_Handler"))
xwimp_start_task("Desktop", 0);
if (OPTIONS.theme) {
snprintf(theme_fname, sizeof(theme_fname),
"<NetSurf$Dir>.Themes.%s", OPTIONS.theme);
/* check if theme directory exists */
if (!is_dir(theme_fname)) {
free(OPTIONS.theme);
OPTIONS.theme = strdup("Default");
sprintf(theme_fname, "<NetSurf$Dir>.Themes.Default");
}
} else {
OPTIONS.theme = strdup("Default");
sprintf(theme_fname, "<NetSurf$Dir>.Themes.Default");
}
ro_theme_load(theme_fname);
wimp_open_template("<NetSurf$Dir>.Resources.en.Templates");
ro_gui_dialog_init();
ro_gui_download_init();
ro_gui_menus_init();
ro_gui_401login_init();
ro_gui_history_init();
wimp_close_template();
ro_gui_icon_bar_create();
}
/**
* 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();
wimp_close_down(task_handle);
}
void gui_poll(bool active)
{
wimp_event_no event;
wimp_block block;
gui_window* g;
int finished = 0;
do
{
if (ro_gui_poll_queued_blocks == NULL)
{
const wimp_poll_flags mask = wimp_MASK_LOSE | wimp_MASK_GAIN;
if (active) {
event = wimp_poll(mask, &block, 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);
}
finished = 1;
}
else
{
struct ro_gui_poll_block* next;
event = ro_gui_poll_queued_blocks->event;
memcpy(&block, ro_gui_poll_queued_blocks->block, sizeof(block));
next = ro_gui_poll_queued_blocks->next;
xfree(ro_gui_poll_queued_blocks->block);
xfree(ro_gui_poll_queued_blocks);
ro_gui_poll_queued_blocks = next;
finished = 0;
}
switch (event)
{
case wimp_NULL_REASON_CODE :
ro_gui_throb();
if (over_window != NULL
|| current_drag.type == draginfo_BROWSER_TEXT_SELECTION)
{
wimp_pointer pointer;
wimp_get_pointer_info(&pointer);
ro_gui_window_mouse_at(&pointer);
}
if (gui_reformat_pending) {
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,
browser_x_units(g->data.browser.old_width), 1000);
g->data.browser.reformat_pending = false;
}
}
gui_reformat_pending = false;
}
break;
case wimp_REDRAW_WINDOW_REQUEST :
if (block.redraw.w == dialog_config_th)
ro_gui_redraw_config_th(&block.redraw);
else if (block.redraw.w == history_window)
ro_gui_history_redraw(&block.redraw);
else {
g = ro_lookup_gui_from_w(block.redraw.w);
if (g != NULL)
ro_gui_window_redraw(g, &(block.redraw));
else {
osbool more = wimp_redraw_window(&block.redraw);
while (more)
more = wimp_get_rectangle(&block.redraw);
}
}
break;
case wimp_OPEN_WINDOW_REQUEST :
g = ro_lookup_gui_from_w(block.open.w);
if (g != NULL)
ro_gui_window_open(g, &(block.open));
else
{
wimp_open_window(&block.open);
}
break;
case wimp_CLOSE_WINDOW_REQUEST :
g = ro_lookup_gui_from_w(block.close.w);
if (g != NULL)
browser_window_destroy(g->data.browser.bw);
else
ro_gui_dialog_close(&(block.close.w));
break;
case wimp_POINTER_LEAVING_WINDOW :
over_window = NULL;
break;
case wimp_POINTER_ENTERING_WINDOW :
over_window = ro_lookup_gui_from_w(block.entering.w);
break;
case wimp_MOUSE_CLICK :
if (block.pointer.w == wimp_ICON_BAR)
ro_gui_icon_bar_click(&(block.pointer));
else if (block.pointer.w == history_window)
ro_gui_history_click(&(block.pointer));
else
{
g = ro_lookup_gui_from_w(block.pointer.w);
if (g != NULL)
{
ro_gui_window_click(g, &(block.pointer));
}
else
{
g = ro_lookup_gui_toolbar_from_w(block.pointer.w);
if (g != NULL)
{
ro_gui_toolbar_click(g, &(block.pointer));
}
else
{
g = ro_lookup_download_window_from_w(block.pointer.w);
if (g != NULL)
{
ro_download_window_click(g, &(block.pointer));
}
else ro_gui_dialog_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_LOSE_CARET :
break;
case wimp_GAIN_CARET :
break;
case wimp_USER_MESSAGE :
case wimp_USER_MESSAGE_RECORDED :
case wimp_USER_MESSAGE_ACKNOWLEDGE:
fprintf(stderr, "MESSAGE %d (%x) HAS ARRIVED\n", block.message.action, block.message.action);
switch (block.message.action)
{
case message_DATA_SAVE :
ro_msg_datasave(&(block.message));
break;
case message_DATA_SAVE_ACK :
ro_msg_datasave_ack(&(block.message));
break;
case message_DATA_LOAD :
ro_msg_dataload(&(block.message));
break;
case message_DATA_OPEN:
ro_msg_dataopen(&(block.message));
break;
case message_URI_PROCESS :
ro_uri_message_received(&(block.message));
break;
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(&(block.message),
(event == wimp_USER_MESSAGE_ACKNOWLEDGE ? 1 : 0));
break;
case message_QUIT :
netsurf_quit = true;
break;
}
break;
}
}
} while (finished == 0);
return;
}
void gui_multitask(void)
{
wimp_event_no event;
wimp_block block;
gui_window* g;
event = wimp_poll(wimp_QUEUE_KEY |
wimp_MASK_LOSE | wimp_MASK_GAIN, &block, 0);
switch (event)
{
case wimp_NULL_REASON_CODE:
if (over_window != NULL)
{
wimp_pointer pointer;
wimp_get_pointer_info(&pointer);
ro_gui_window_mouse_at(&pointer);
}
ro_gui_throb();
break;
case wimp_REDRAW_WINDOW_REQUEST :
if (block.redraw.w == dialog_config_th)
ro_gui_redraw_config_th(&block.redraw);
else if (block.redraw.w == history_window)
ro_gui_history_redraw(&block.redraw);
else {
g = ro_lookup_gui_from_w(block.redraw.w);
if (g)
ro_gui_window_redraw(g, &(block.redraw));
else {
osbool more = wimp_redraw_window(&block.redraw);
while (more)
more = wimp_get_rectangle(&block.redraw);
}
}
break;
case wimp_OPEN_WINDOW_REQUEST :
g = ro_lookup_gui_from_w(block.open.w);
if (g != NULL)
ro_gui_window_open(g, &(block.open));
else
{
wimp_open_window(&block.open);
}
break;
case wimp_CLOSE_WINDOW_REQUEST :
ro_gui_poll_queue(event, &block);
break;
case wimp_MOUSE_CLICK :
if (block.pointer.w == wimp_ICON_BAR)
ro_gui_icon_bar_click(&(block.pointer));
else
{
g = ro_lookup_gui_from_w(block.pointer.w);
if (g != NULL)
{
if (g->redraw_safety == SAFE)
ro_gui_window_click(g, &(block.pointer));
else
ro_gui_poll_queue(event, &block);
}
else
{
g = ro_lookup_gui_toolbar_from_w(block.pointer.w);
if (g != NULL)
{
ro_gui_toolbar_click(g, &(block.pointer));
}
else
{
ro_gui_poll_queue(event, &block);
}
}
}
break;
case wimp_POINTER_LEAVING_WINDOW :
over_window = NULL;
break;
case wimp_POINTER_ENTERING_WINDOW :
over_window = ro_lookup_gui_from_w(block.leaving.w);
break;
case wimp_USER_DRAG_BOX :
ro_gui_drag_end(&(block.dragged));
break;
case wimp_MENU_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:
fprintf(stderr, "MESSAGE %d (%x) HAS ARRIVED\n", block.message.action, block.message.action);
switch (block.message.action)
{
case message_DATA_SAVE :
ro_msg_datasave(&(block.message));
break;
case message_DATA_SAVE_ACK :
ro_msg_datasave_ack(&(block.message));
break;
case message_DATA_LOAD :
ro_msg_dataload(&(block.message));
break;
case message_DATA_OPEN:
ro_msg_dataopen(&(block.message));
break;
case message_URI_PROCESS :
ro_uri_message_received(&(block.message));
break;
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(&(block.message),
(event == wimp_USER_MESSAGE_ACKNOWLEDGE ? 1 : 0));
break;
case message_QUIT :
netsurf_quit = true;
break;
default:
ro_gui_poll_queue(event, &block);
break;
}
break;
default:
break;
}
}
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;
}
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)
{
struct browser_window* bw;
bw = create_browser_window(browser_TITLE | browser_TOOLBAR
| browser_SCROLL_X_ALWAYS | browser_SCROLL_Y_ALWAYS, 640, 480);
gui_window_show(bw->window);
browser_window_open_location(bw, HOME_URL);
wimp_set_caret_position(bw->window->data.browser.toolbar,
ICON_TOOLBAR_URL,
0,0,-1, (int) strlen(bw->window->url) - 1);
}
}
/**
* 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) {
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);
}
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 = "Select";
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;
int done = 0;
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 = browser_x_units(window_x_units(data->pos.x, &state));
y = browser_y_units(window_y_units(data->pos.y, &state));
found = 0;
click_boxes = NULL;
plot_index = 0;
box_under_area(bw->current_content->data.html.layout->children,
x, 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);
}
void ro_msg_dataload(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;
int done = 0;
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 = browser_x_units(window_x_units(data->pos.x, &state));
y = browser_y_units(window_y_units(data->pos.y, &state));
found = 0;
click_boxes = NULL;
plot_index = 0;
box_under_area(bw->current_content->data.html.layout->children,
x, 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);
}
void ro_msg_datasave_ack(wimp_message *message)
{
int save_status = 0;
LOG(("ACK Message: filename = %s", message->data.data_xfer.file_name));
if (current_drag.type == draginfo_DOWNLOAD_SAVE)
{
assert(current_drag.data.download.gui->data.download.download_status ==
download_COMPLETE);
save_status = ro_save_data(current_drag.data.download.gui->data.download.content->data.other.data,
current_drag.data.download.gui->data.download.content->data.other.length,
message->data.data_xfer.file_name,
current_drag.data.download.gui->data.download.file_type);
if (save_status != 1)
{
LOG(("Could not save download data"));
//Report_Error
}
else
{
ro_download_window_close(current_drag.data.download.gui);
current_drag.type = draginfo_NONE;
}
}
}
int ro_save_data(void *data, unsigned long length, char *file_name, bits file_type)
{
os_error *written = NULL;
void *end_data = (int)data + length;
written = xosfile_save_stamped(file_name, file_type, data, end_data);
if (written != NULL)
{
LOG(("Unable to create stamped file"));
return 0;
}
return 1;
}
/**
* Handle Message_DataOpen (double-click on file in the Filer).
*/
void ro_msg_dataopen(wimp_message *message)
{
char *url;
struct browser_window *bw;
if (message->data.data_xfer.file_type != 0xfaf)
/* ignore all but HTML */
return;
/* 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 */
bw = create_browser_window(browser_TITLE | browser_TOOLBAR |
browser_SCROLL_X_ALWAYS | browser_SCROLL_Y_ALWAYS, 640, 480);
gui_window_show(bw->window);
url = ro_path_to_url(message->data.data_xfer.file_name);
browser_window_open_location(bw, url);
free(url);
}
/**
* Convert a RISC OS pathname to a file: URL.
*/
char *ro_path_to_url(const char *path)
{
unsigned int len = 20 + strlen(path);
char *url = xcalloc(len, 1);
strcpy(url, "file://");
__unixify(path, __RISCOSIFY_NO_REVERSE_SUFFIX, url + 7, len - 7, 0);
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)
{
struct browser_window *bw;
bw = create_browser_window(browser_TITLE | browser_TOOLBAR |
browser_SCROLL_X_ALWAYS |
browser_SCROLL_Y_ALWAYS, 640, 480);
gui_window_show(bw->window);
browser_window_open_location(bw, HELP_URL);
wimp_set_caret_position(bw->window->data.browser.toolbar,
ICON_TOOLBAR_URL,
0,0,-1, (int) strlen(bw->window->url) - 1);
}
/**
* Send the source of a content to a text editor.
*/
void ro_gui_view_source(struct content *content)
{
if (content->type != CONTENT_HTML)
return;
xosfile_save_stamped("<Wimp$Scrap>", 0xfff,
content->data.html.source,
(content->data.html.source +
content->data.html.length));
xos_cli("Filer_Run <Wimp$Scrap>");
xosfile_set_type("<Wimp$Scrap>", 0xfaf);
}
void ro_gui_drag_box_start(wimp_pointer *pointer)
{
wimp_drag *drag_box;
wimp_window_state *icon_window;
wimp_icon_state *icon_icon;
int x0, y0;
/* TODO: support drag_a_sprite */
icon_window = xcalloc(1, sizeof(*icon_window));
icon_icon = xcalloc(1, sizeof(*icon_icon));
drag_box = xcalloc(1, sizeof(*drag_box));
drag_box->w = pointer->i;
drag_box->type = wimp_DRAG_USER_FIXED;
icon_window->w = pointer->w;
wimp_get_window_state(icon_window);
x0 = icon_window->visible.x0 - icon_window->xscroll;
y0 = icon_window->visible.y1 - icon_window->yscroll;
icon_icon->w = pointer->w;
icon_icon->i = pointer->i;
wimp_get_icon_state(icon_icon);
drag_box->initial.x0 = x0 + icon_icon->icon.extent.x0;
drag_box->initial.y0 = y0 + icon_icon->icon.extent.y0;
drag_box->initial.x1 = x0 + icon_icon->icon.extent.x1;
drag_box->initial.y1 = y0 + icon_icon->icon.extent.y1;
drag_box->bbox.x0 = 0x80000000;
drag_box->bbox.y0 = 0x80000000;
drag_box->bbox.x1 = 0x7FFFFFFF; // CHANGE
drag_box->bbox.y1 = 0x7FFFFFFF;
/*if(USE_DRAGASPRITE == DRAGASPRITE_AVAILABLE)
xdragasprite_start((dragasprite_HPOS_CENTRE ^
dragasprite_VPOS_CENTRE ^
dragasprite_NO_BOUND ^
dragasprite_BOUND_POINTER),
(osspriteop_area*) 1,
"file_fff",
(os_box*)&drag_box->initial,0);*/
wimp_drag_box(drag_box);
xfree(drag_box);
xfree(icon_window);
xfree(icon_icon);
}
int ro_x_units(unsigned long browser_units)
{
return (browser_units << 1);
}
int ro_y_units(unsigned long browser_units)
{
return -(browser_units << 1);
}
unsigned long browser_x_units(int ro_units)
{
return (ro_units >> 1);
}
unsigned long browser_y_units(int ro_units)
{
return -(ro_units >> 1);
}
int window_x_units(int scr_units, wimp_window_state* win)
{
return scr_units - (win->visible.x0 - win->xscroll);
}
int window_y_units(int scr_units, wimp_window_state* win)
{
return scr_units - (win->visible.y1 - win->yscroll);
}
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