mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 15:29:45 +03:00
153 lines
3.7 KiB
C
153 lines
3.7 KiB
C
/*
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* This file is part of NetSurf, http://netsurf.sourceforge.net/
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* Licensed under the GNU General Public License,
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* http://www.opensource.org/licenses/gpl-license
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* Copyright 2004 Richard Wilson <not_ginger_matt@users.sourceforge.net>
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*/
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/** \file
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* Interactive help (implementation).
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include "oslib/help.h"
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#include "oslib/wimp.h"
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#include "netsurf/riscos/gui.h"
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#include "netsurf/riscos/help.h"
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#include "netsurf/utils/messages.h"
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#include "netsurf/utils/log.h"
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/* Current prefixes:
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HelpB Browser window
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HelpI Iconbar menu
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HelpM Browser window menu
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HelpT Toolbar window
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HelpS Status window
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The prefixes are followed by either the icon number (eg 'HelpT7'), or a series
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of numbers representing the menu structure (eg 'HelpM3-1-2').
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*/
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static void ro_gui_interactive_help_broadcast(wimp_message *message, char *token);
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/**
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* Attempts to process an interactive help message request
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*
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* \param message the request message
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*/
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void ro_gui_interactive_help_request(wimp_message *message) {
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char message_token[32];
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char menu_buffer[4];
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wimp_selection menu_tree;
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help_full_message_request *message_data;
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wimp_w window;
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wimp_i icon;
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gui_window *g;
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unsigned int index;
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/* Ensure we have a help request
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*/
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if ((!message) || (message->action != message_HELP_REQUEST)) return;
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/* Initialise the basic token to a null byte
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*/
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message_token[0] = 0x00;
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/* Get the message data
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*/
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message_data = (help_full_message_request *)message;
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window = message_data->w;
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icon = message_data->i;
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/* Check if we have a browser window, toolbar window or status window
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*/
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g = ro_gui_window_lookup(window);
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if (g) {
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if (g->window == window) {
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sprintf(message_token, "HelpB%i", (int)icon);
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} else if ((g->data.browser.toolbar) &&
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(g->data.browser.toolbar->toolbar_handle == window)) {
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sprintf(message_token, "HelpT%i", (int)icon);
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} else if ((g->data.browser.toolbar) &&
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(g->data.browser.toolbar->status_handle == window)) {
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sprintf(message_token, "HelpS%i", (int)icon);
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}
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}
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/* If we've managed to find something so far then we broadcast it
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*/
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if (message_token[0] != 0x00) {
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ro_gui_interactive_help_broadcast(message, &message_token[0]);
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return;
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}
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/* As a last resort, check for menu help.
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*/
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if (xwimp_get_menu_state((wimp_menu_state_flags)1,
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&menu_tree,
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window, icon)) return;
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if (menu_tree.items[0] == -1) return;
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/* Set the prefix
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*/
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if (current_menu == iconbar_menu) {
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sprintf(message_token, "HelpI");
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} else if (current_menu == browser_menu) {
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sprintf(message_token, "HelpM");
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} else {
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return;
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}
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/* Decode the menu
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*/
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index = 0;
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while (menu_tree.items[index] != -1) {
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if (index == 0) {
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sprintf(menu_buffer, "%i", menu_tree.items[index]);
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} else {
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sprintf(menu_buffer, "-%i", menu_tree.items[index]);
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}
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strcat(message_token, menu_buffer);
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index++;
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}
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/* Finally, broadcast the menu help
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*/
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ro_gui_interactive_help_broadcast(message, &message_token[0]);
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}
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/**
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* Broadcasts a help reply
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*
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* \param message the original request message
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* \param token the token to look up
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*/
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static void ro_gui_interactive_help_broadcast(wimp_message *message, char *token) {
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char *translated_token;
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help_full_message_reply *reply;
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/* Check if the message exists
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*/
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translated_token = (char *)messages_get(token);
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if (translated_token == token) return;
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/* Copy our message string
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*/
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reply = (help_full_message_reply *)message;
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reply->reply[235] = 0;
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strncpy(reply->reply, translated_token, 235);
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/* Broadcast the help reply
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*/
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reply->size = 256;
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reply->action = message_HELP_REPLY;
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reply->your_ref = reply->my_ref;
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wimp_send_message(wimp_USER_MESSAGE, reply, reply->sender);
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}
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