1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
* 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 2004 Richard Wilson <not_ginger_matt@users.sourceforge.net>
*/
/** \file
* Interactive help (implementation).
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "oslib/help.h"
#include "oslib/wimp.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/help.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/log.h"
/* Recognised help keys
====================
HelpIconbar Iconbar (no icon suffix is used)
HelpAppInfo Application info window
HelpBrowser Browser window
HelpHistory History window
HelpObjInfo Object info window
HelpPageInfo Page info window
HelpSaveAs Save as window
HelpScaleView Scale view window
HelpStatus Status window
HelpToolbar Toolbar window
HelpIconMenu Iconbar menu
HelpBrowserMenu Browser window menu
The prefixes are followed by either the icon number (eg 'HelpToolbar7'), or a series
of numbers representing the menu structure (eg 'HelpBrowserMenu3-1-2').
*/
static void ro_gui_interactive_help_broadcast(wimp_message *message, char *token);
/**
* Attempts to process an interactive help message request
*
* \param message the request message
*/
void ro_gui_interactive_help_request(wimp_message *message) {
char message_token[32];
char menu_buffer[4];
wimp_selection menu_tree;
help_full_message_request *message_data;
wimp_w window;
wimp_i icon;
gui_window *g;
unsigned int index;
/* Ensure we have a help request
*/
if ((!message) || (message->action != message_HELP_REQUEST)) return;
/* Initialise the basic token to a null byte
*/
message_token[0] = 0x00;
/* Get the message data
*/
message_data = (help_full_message_request *)message;
window = message_data->w;
icon = message_data->i;
/* Do the basic window checks
*/
if (window == (wimp_w)-2) {
sprintf(message_token, "HelpIconbar");
} else if (window == dialog_info) {
sprintf(message_token, "HelpAppInfo%i", (int)icon);
} else if (window == history_window) {
sprintf(message_token, "HelpHistory%i", (int)icon);
} else if (window == dialog_objinfo) {
sprintf(message_token, "HelpObjInfo%i", (int)icon);
} else if (window == dialog_pageinfo) {
sprintf(message_token, "HelpPageInfo%i", (int)icon);
} else if (window == dialog_saveas) {
sprintf(message_token, "HelpSaveAs%i", (int)icon);
} else if (window == dialog_zoom) {
sprintf(message_token, "HelpScaleView%i", (int)icon);
} else {
/* Check if we have a browser window, toolbar window or status window
*/
g = ro_gui_window_lookup(window);
if (g) {
if (g->window == window) {
sprintf(message_token, "HelpBrowser%i", (int)icon);
} else if ((g->data.browser.toolbar) &&
(g->data.browser.toolbar->toolbar_handle == window)) {
sprintf(message_token, "HelpToolbar%i", (int)icon);
} else if ((g->data.browser.toolbar) &&
(g->data.browser.toolbar->status_handle == window)) {
sprintf(message_token, "HelpStatus%i", (int)icon);
}
}
}
/* If we've managed to find something so far then we broadcast it
*/
if (message_token[0] != 0x00) {
ro_gui_interactive_help_broadcast(message, &message_token[0]);
return;
}
/* If we are not on an icon, we can't be in a menu (which stops separators
giving help for their parent) so we abort. You don't even want to think
about the awful hack I was considering before I realised this...
*/
if (icon == (wimp_i)-1) return;
/* As a last resort, check for menu help.
*/
if (xwimp_get_menu_state((wimp_menu_state_flags)1,
&menu_tree,
window, icon)) return;
if (menu_tree.items[0] == -1) return;
/* Set the prefix
*/
if (current_menu == iconbar_menu) {
sprintf(message_token, "HelpIconMenu");
} else if (current_menu == browser_menu) {
sprintf(message_token, "HelpBrowserMenu");
} else {
return;
}
/* Decode the menu
*/
index = 0;
while (menu_tree.items[index] != -1) {
if (index == 0) {
sprintf(menu_buffer, "%i", menu_tree.items[index]);
} else {
sprintf(menu_buffer, "-%i", menu_tree.items[index]);
}
strcat(message_token, menu_buffer);
index++;
}
/* Finally, broadcast the menu help
*/
ro_gui_interactive_help_broadcast(message, &message_token[0]);
}
/**
* Broadcasts a help reply
*
* \param message the original request message
* \param token the token to look up
*/
static void ro_gui_interactive_help_broadcast(wimp_message *message, char *token) {
char *translated_token;
help_full_message_reply *reply;
/* Check if the message exists
*/
translated_token = (char *)messages_get(token);
if (translated_token == token) return;
/* Copy our message string
*/
reply = (help_full_message_reply *)message;
reply->reply[235] = 0;
strncpy(reply->reply, translated_token, 235);
/* Broadcast the help reply
*/
reply->size = 256;
reply->action = message_HELP_REPLY;
reply->your_ref = reply->my_ref;
wimp_send_message(wimp_USER_MESSAGE, (wimp_message *)reply, reply->sender);
}
|