1 |
/* |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X keyboard mapping |
User interface services - X keyboard mapping |
4 |
Copyright (C) Matthew Chapman 1999-2001 |
Copyright (C) Matthew Chapman 1999-2002 |
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|
|
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This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
19 |
*/ |
*/ |
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|
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#include <X11/Xlib.h> |
#include <X11/Xlib.h> |
22 |
#include <X11/keysym.h> |
#define XK_MISCELLANY |
23 |
#include <stdio.h> |
#include <X11/keysymdef.h> |
24 |
#include <stdlib.h> |
#include <ctype.h> |
25 |
#include <string.h> |
#include <limits.h> |
26 |
|
#include <time.h> |
27 |
#include "rdesktop.h" |
#include "rdesktop.h" |
28 |
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#include "scancodes.h" |
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|
30 |
#define KEYMAP_SIZE 4096 |
#define KEYMAP_SIZE 4096 |
31 |
#define KEYMAP_MASK (KEYMAP_SIZE - 1) |
#define KEYMAP_MASK (KEYMAP_SIZE - 1) |
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#define KEYMAP_MAX_LINE_LENGTH 80 |
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|
34 |
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extern Display *display; |
35 |
extern char keymapname[16]; |
extern char keymapname[16]; |
36 |
extern int keylayout; |
extern int keylayout; |
37 |
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extern BOOL enable_compose; |
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|
39 |
static uint8 keymap[KEYMAP_SIZE]; |
static BOOL keymap_loaded; |
40 |
static unsigned int min_keycode; |
static key_translation keymap[KEYMAP_SIZE]; |
41 |
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static int min_keycode; |
42 |
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static uint16 remote_modifier_state = 0; |
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|
44 |
static BOOL xkeymap_read(char *mapname) |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
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|
46 |
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static void |
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add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
48 |
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{ |
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KeySym keysym; |
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|
51 |
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keysym = XStringToKeysym(keyname); |
52 |
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if (keysym == NoSymbol) |
53 |
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{ |
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error("Bad keysym %s in keymap %s\n", keyname, mapname); |
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return; |
56 |
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} |
57 |
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|
58 |
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DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, " |
59 |
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"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers)); |
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|
61 |
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keymap[keysym & KEYMAP_MASK].scancode = scancode; |
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keymap[keysym & KEYMAP_MASK].modifiers = modifiers; |
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|
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return; |
65 |
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} |
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|
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|
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static BOOL |
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xkeymap_read(char *mapname) |
70 |
{ |
{ |
71 |
FILE *fp; |
FILE *fp; |
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char line[256], path[256]; |
char line[KEYMAP_MAX_LINE_LENGTH]; |
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char path[PATH_MAX], inplace_path[PATH_MAX]; |
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unsigned int line_num = 0; |
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unsigned int line_length = 0; |
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char *keyname, *p; |
char *keyname, *p; |
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KeySym keysym; |
char *line_rest; |
78 |
unsigned char keycode; |
uint8 scancode; |
79 |
unsigned int mapcode = 0; |
uint16 modifiers; |
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|
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|
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strcpy(path, KEYMAP_PATH); |
strcpy(path, KEYMAP_PATH); |
83 |
strncat(path, mapname, sizeof(path) - sizeof(KEYMAP_PATH)); |
strncat(path, mapname, sizeof(path) - sizeof(KEYMAP_PATH)); |
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fp = fopen(path, "r"); |
fp = fopen(path, "r"); |
86 |
if (fp == NULL) |
if (fp == NULL) |
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{ |
{ |
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error("Failed to open keymap %s\n", path); |
/* in case we are running from the source tree */ |
89 |
return False; |
strcpy(inplace_path, "keymaps/"); |
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strncat(inplace_path, mapname, sizeof(inplace_path) - sizeof("keymaps/")); |
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|
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fp = fopen(inplace_path, "r"); |
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if (fp == NULL) |
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{ |
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error("Failed to open keymap %s\n", path); |
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return False; |
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} |
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} |
} |
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|
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/* FIXME: More tolerant on white space */ |
101 |
while (fgets(line, sizeof(line), fp) != NULL) |
while (fgets(line, sizeof(line), fp) != NULL) |
102 |
{ |
{ |
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line_num++; |
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|
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/* Replace the \n with \0 */ |
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p = strchr(line, '\n'); |
p = strchr(line, '\n'); |
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if (p != NULL) |
if (p != NULL) |
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*p = 0; |
*p = 0; |
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|
|
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keycode = strtol(line, &keyname, 16); |
line_length = strlen(line); |
111 |
if ((keycode != 0) && (*keyname == ' ')) |
|
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|
/* Completely empty line */ |
113 |
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if (strspn(line, " \t\n\r\f\v") == line_length) |
114 |
{ |
{ |
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do |
continue; |
116 |
{ |
} |
|
keyname++; |
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p = strchr(keyname, ' '); |
|
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if (p != NULL) |
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*p = 0; |
|
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|
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keysym = XStringToKeysym(keyname); |
/* Include */ |
119 |
if (keysym == NoSymbol) |
if (strncmp(line, "include ", 8) == 0) |
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error("Bad keysym %s in keymap %s\n", keyname, mapname); |
{ |
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if (!xkeymap_read(line + 8)) |
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return False; |
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continue; |
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} |
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|
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keymap[keysym & KEYMAP_MASK] = keycode; |
/* map */ |
127 |
keyname = p; |
if (strncmp(line, "map ", 4) == 0) |
128 |
|
{ |
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keylayout = strtol(line + 4, NULL, 16); |
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DEBUG_KBD(("Keylayout 0x%x\n", keylayout)); |
131 |
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continue; |
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} |
133 |
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|
134 |
} while (keyname != NULL); |
/* compose */ |
135 |
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if (strncmp(line, "enable_compose", 15) == 0) |
136 |
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{ |
137 |
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DEBUG_KBD(("Enabling compose handling\n")); |
138 |
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enable_compose = True; |
139 |
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continue; |
140 |
} |
} |
141 |
else if (strncmp(line, "include ", 8) == 0) |
|
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/* Comment */ |
143 |
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if (line[0] == '#') |
144 |
{ |
{ |
145 |
if (!xkeymap_read(line+8)) |
continue; |
|
return False; |
|
146 |
} |
} |
147 |
else if (strncmp(line, "map ", 4) == 0) |
|
148 |
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/* Normal line */ |
149 |
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keyname = line; |
150 |
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p = strchr(line, ' '); |
151 |
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if (p == NULL) |
152 |
{ |
{ |
153 |
keylayout = strtol(line+4, NULL, 16); |
error("Bad line %d in keymap %s\n", line_num, mapname); |
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continue; |
155 |
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} |
156 |
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else |
157 |
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{ |
158 |
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*p = 0; |
159 |
} |
} |
160 |
else if (line[0] != '#') |
|
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/* scancode */ |
162 |
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p++; |
163 |
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scancode = strtol(p, &line_rest, 16); |
164 |
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|
165 |
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/* flags */ |
166 |
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/* FIXME: Should allow case-insensitive flag names. |
167 |
|
Fix by using lex+yacc... */ |
168 |
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modifiers = 0; |
169 |
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if (strstr(line_rest, "altgr")) |
170 |
|
{ |
171 |
|
MASK_ADD_BITS(modifiers, MapAltGrMask); |
172 |
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} |
173 |
|
|
174 |
|
if (strstr(line_rest, "shift")) |
175 |
{ |
{ |
176 |
error("Malformed line in keymap %s\n", mapname); |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
177 |
|
} |
178 |
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|
179 |
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if (strstr(line_rest, "numlock")) |
180 |
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{ |
181 |
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MASK_ADD_BITS(modifiers, MapNumLockMask); |
182 |
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} |
183 |
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|
184 |
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if (strstr(line_rest, "localstate")) |
185 |
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{ |
186 |
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MASK_ADD_BITS(modifiers, MapLocalStateMask); |
187 |
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} |
188 |
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|
189 |
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if (strstr(line_rest, "inhibit")) |
190 |
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{ |
191 |
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MASK_ADD_BITS(modifiers, MapInhibitMask); |
192 |
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} |
193 |
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|
194 |
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add_to_keymap(keyname, scancode, modifiers, mapname); |
195 |
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|
196 |
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if (strstr(line_rest, "addupper")) |
197 |
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{ |
198 |
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/* Automatically add uppercase key, with same modifiers |
199 |
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plus shift */ |
200 |
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for (p = keyname; *p; p++) |
201 |
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*p = toupper(*p); |
202 |
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MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
203 |
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add_to_keymap(keyname, scancode, modifiers, mapname); |
204 |
} |
} |
205 |
} |
} |
206 |
|
|
208 |
return True; |
return True; |
209 |
} |
} |
210 |
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|
211 |
void xkeymap_init(Display *display) |
|
212 |
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/* Before connecting and creating UI */ |
213 |
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void |
214 |
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xkeymap_init(void) |
215 |
{ |
{ |
216 |
unsigned int max_keycode; |
unsigned int max_keycode; |
217 |
|
char *mapname_ptr; |
218 |
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|
219 |
XDisplayKeycodes(display, &min_keycode, &max_keycode); |
/* Make keymapname lowercase */ |
220 |
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mapname_ptr = keymapname; |
221 |
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while (*mapname_ptr) |
222 |
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{ |
223 |
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*mapname_ptr = tolower(*mapname_ptr); |
224 |
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mapname_ptr++; |
225 |
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} |
226 |
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|
227 |
if (strcmp(keymapname, "none")) |
if (strcmp(keymapname, "none")) |
228 |
xkeymap_read(keymapname); |
{ |
229 |
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if (xkeymap_read(keymapname)) |
230 |
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keymap_loaded = True; |
231 |
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} |
232 |
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|
233 |
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XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode); |
234 |
} |
} |
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|
236 |
uint8 xkeymap_translate_key(KeySym keysym, unsigned int keycode) |
/* Handles, for example, multi-scancode keypresses (which is not |
237 |
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possible via keymap-files) */ |
238 |
|
BOOL |
239 |
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handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
240 |
{ |
{ |
241 |
uint8 scancode; |
switch (keysym) |
242 |
|
{ |
243 |
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case XK_Break: |
244 |
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case XK_Pause: |
245 |
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if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
246 |
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&& (get_key_state(state, XK_Control_L) |
247 |
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|| get_key_state(state, XK_Control_R))) |
248 |
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{ |
249 |
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/* Ctrl-Alt-Break: toggle full screen */ |
250 |
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if (pressed) |
251 |
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xwin_toggle_fullscreen(); |
252 |
|
|
253 |
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} |
254 |
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else if (keysym == XK_Break) |
255 |
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{ |
256 |
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/* Send Break sequence E0 46 E0 C6 */ |
257 |
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if (pressed) |
258 |
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{ |
259 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, |
260 |
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(SCANCODE_EXTENDED | 0x46)); |
261 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, |
262 |
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(SCANCODE_EXTENDED | 0xc6)); |
263 |
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} |
264 |
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/* No break sequence */ |
265 |
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} |
266 |
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else /* XK_Pause */ |
267 |
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{ |
268 |
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/* According to MS Keyboard Scan Code |
269 |
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Specification, pressing Pause should result |
270 |
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in E1 1D 45 E1 9D C5. I'm not exactly sure |
271 |
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of how this is supposed to be sent via |
272 |
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RDP. The code below seems to work, but with |
273 |
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the side effect that Left Ctrl stays |
274 |
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down. Therefore, we release it when Pause |
275 |
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is released. */ |
276 |
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if (pressed) |
277 |
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{ |
278 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, |
279 |
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0xe1, 0); |
280 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, |
281 |
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0x1d, 0); |
282 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, |
283 |
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0x45, 0); |
284 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, |
285 |
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0xe1, 0); |
286 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, |
287 |
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0x9d, 0); |
288 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, |
289 |
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0xc5, 0); |
290 |
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} |
291 |
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else |
292 |
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{ |
293 |
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/* Release Left Ctrl */ |
294 |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, |
295 |
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0x1d, 0); |
296 |
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} |
297 |
|
} |
298 |
|
return True; |
299 |
|
|
300 |
|
case XK_Meta_L: /* Windows keys */ |
301 |
|
case XK_Super_L: |
302 |
|
case XK_Hyper_L: |
303 |
|
case XK_Meta_R: |
304 |
|
case XK_Super_R: |
305 |
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case XK_Hyper_R: |
306 |
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if (pressed) |
307 |
|
{ |
308 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
309 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
310 |
|
} |
311 |
|
else |
312 |
|
{ |
313 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
314 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
315 |
|
} |
316 |
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return True; |
317 |
|
} |
318 |
|
return False; |
319 |
|
} |
320 |
|
|
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scancode = keymap[keysym & KEYMAP_MASK]; |
|
|
if (scancode != 0) |
|
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return scancode; |
|
321 |
|
|
322 |
/* not in keymap, try to interpret the raw scancode */ |
key_translation |
323 |
|
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
324 |
|
{ |
325 |
|
key_translation tr = { 0, 0 }; |
326 |
|
|
327 |
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tr = keymap[keysym & KEYMAP_MASK]; |
328 |
|
|
329 |
|
if (tr.modifiers & MapInhibitMask) |
330 |
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{ |
331 |
|
DEBUG_KBD(("Inhibiting key\n")); |
332 |
|
tr.scancode = 0; |
333 |
|
return tr; |
334 |
|
} |
335 |
|
|
336 |
|
if (tr.modifiers & MapLocalStateMask) |
337 |
|
{ |
338 |
|
/* The modifiers to send for this key should be obtained |
339 |
|
from the local state. Currently, only shift is implemented. */ |
340 |
|
if (state & ShiftMask) |
341 |
|
{ |
342 |
|
tr.modifiers = MapLeftShiftMask; |
343 |
|
} |
344 |
|
} |
345 |
|
|
346 |
|
if (tr.scancode != 0) |
347 |
|
{ |
348 |
|
DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
349 |
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tr.scancode, tr.modifiers)); |
350 |
|
return tr; |
351 |
|
} |
352 |
|
|
353 |
|
if (keymap_loaded) |
354 |
|
error("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)); |
355 |
|
|
356 |
|
/* not in keymap, try to interpret the raw scancode */ |
357 |
if ((keycode >= min_keycode) && (keycode <= 0x60)) |
if ((keycode >= min_keycode) && (keycode <= 0x60)) |
358 |
return (uint8)(keycode - min_keycode); |
{ |
359 |
|
tr.scancode = keycode - min_keycode; |
360 |
|
|
361 |
switch (keycode) |
/* The modifiers to send for this key should be |
362 |
|
obtained from the local state. Currently, only |
363 |
|
shift is implemented. */ |
364 |
|
if (state & ShiftMask) |
365 |
|
{ |
366 |
|
tr.modifiers = MapLeftShiftMask; |
367 |
|
} |
368 |
|
|
369 |
|
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
370 |
|
} |
371 |
|
else |
372 |
{ |
{ |
373 |
case 0x61: /* home */ |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
|
return 0x47 | 0x80; |
|
|
case 0x62: /* up arrow */ |
|
|
return 0x48 | 0x80; |
|
|
case 0x63: /* page up */ |
|
|
return 0x49 | 0x80; |
|
|
case 0x64: /* left arrow */ |
|
|
return 0x4b | 0x80; |
|
|
case 0x66: /* right arrow */ |
|
|
return 0x4d | 0x80; |
|
|
case 0x67: /* end */ |
|
|
return 0x4f | 0x80; |
|
|
case 0x68: /* down arrow */ |
|
|
return 0x50 | 0x80; |
|
|
case 0x69: /* page down */ |
|
|
return 0x51 | 0x80; |
|
|
case 0x6a: /* insert */ |
|
|
return 0x52 | 0x80; |
|
|
case 0x6b: /* delete */ |
|
|
return 0x53 | 0x80; |
|
|
case 0x6c: /* keypad enter */ |
|
|
return 0x1c | 0x80; |
|
|
case 0x6d: /* right ctrl */ |
|
|
return 0x1d | 0x80; |
|
|
case 0x6f: /* ctrl - print screen */ |
|
|
return 0x37 | 0x80; |
|
|
case 0x70: /* keypad '/' */ |
|
|
return 0x35 | 0x80; |
|
|
case 0x71: /* right alt */ |
|
|
return 0x38 | 0x80; |
|
|
case 0x72: /* ctrl break */ |
|
|
return 0x46 | 0x80; |
|
|
case 0x73: /* left window key */ |
|
|
return 0x5b | 0x80; |
|
|
case 0x74: /* right window key */ |
|
|
return 0x5c | 0x80; |
|
|
case 0x75: /* menu key */ |
|
|
return 0x5d | 0x80; |
|
374 |
} |
} |
375 |
|
|
376 |
return 0; |
return tr; |
377 |
} |
} |
378 |
|
|
379 |
uint16 xkeymap_translate_button(unsigned int button) |
uint16 |
380 |
|
xkeymap_translate_button(unsigned int button) |
381 |
{ |
{ |
382 |
switch (button) |
switch (button) |
383 |
{ |
{ |
384 |
case Button1: /* left */ |
case Button1: /* left */ |
385 |
return MOUSE_FLAG_BUTTON1; |
return MOUSE_FLAG_BUTTON1; |
386 |
case Button2: /* middle */ |
case Button2: /* middle */ |
387 |
return MOUSE_FLAG_BUTTON3; |
return MOUSE_FLAG_BUTTON3; |
388 |
case Button3: /* right */ |
case Button3: /* right */ |
389 |
return MOUSE_FLAG_BUTTON2; |
return MOUSE_FLAG_BUTTON2; |
390 |
|
case Button4: /* wheel up */ |
391 |
|
return MOUSE_FLAG_BUTTON4; |
392 |
|
case Button5: /* wheel down */ |
393 |
|
return MOUSE_FLAG_BUTTON5; |
394 |
} |
} |
395 |
|
|
396 |
return 0; |
return 0; |
397 |
} |
} |
398 |
|
|
399 |
|
char * |
400 |
|
get_ksname(uint32 keysym) |
401 |
|
{ |
402 |
|
char *ksname = NULL; |
403 |
|
|
404 |
|
if (keysym == NoSymbol) |
405 |
|
ksname = "NoSymbol"; |
406 |
|
else if (!(ksname = XKeysymToString(keysym))) |
407 |
|
ksname = "(no name)"; |
408 |
|
|
409 |
|
return ksname; |
410 |
|
} |
411 |
|
|
412 |
|
|
413 |
|
void |
414 |
|
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
415 |
|
{ |
416 |
|
/* If this key is a modifier, do nothing */ |
417 |
|
switch (tr.scancode) |
418 |
|
{ |
419 |
|
case SCANCODE_CHAR_LSHIFT: |
420 |
|
case SCANCODE_CHAR_RSHIFT: |
421 |
|
case SCANCODE_CHAR_LCTRL: |
422 |
|
case SCANCODE_CHAR_RCTRL: |
423 |
|
case SCANCODE_CHAR_LALT: |
424 |
|
case SCANCODE_CHAR_RALT: |
425 |
|
case SCANCODE_CHAR_LWIN: |
426 |
|
case SCANCODE_CHAR_RWIN: |
427 |
|
case SCANCODE_CHAR_NUMLOCK: |
428 |
|
return; |
429 |
|
default: |
430 |
|
break; |
431 |
|
} |
432 |
|
|
433 |
|
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
434 |
|
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
435 |
|
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
436 |
|
{ |
437 |
|
/* The remote modifier state is not correct */ |
438 |
|
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask)) |
439 |
|
{ |
440 |
|
/* Needs left shift. Send down. */ |
441 |
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
442 |
|
} |
443 |
|
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask)) |
444 |
|
{ |
445 |
|
/* Needs right shift. Send down. */ |
446 |
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT); |
447 |
|
} |
448 |
|
else |
449 |
|
{ |
450 |
|
/* Should not use this modifier. Send up for shift currently pressed. */ |
451 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)) |
452 |
|
/* Left shift is down */ |
453 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
454 |
|
else |
455 |
|
/* Right shift is down */ |
456 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
457 |
|
} |
458 |
|
} |
459 |
|
|
460 |
|
/* AltGr */ |
461 |
|
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask) |
462 |
|
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask)) |
463 |
|
{ |
464 |
|
/* The remote modifier state is not correct */ |
465 |
|
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)) |
466 |
|
{ |
467 |
|
/* Needs this modifier. Send down. */ |
468 |
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT); |
469 |
|
} |
470 |
|
else |
471 |
|
{ |
472 |
|
/* Should not use this modifier. Send up. */ |
473 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
474 |
|
} |
475 |
|
} |
476 |
|
|
477 |
|
/* NumLock */ |
478 |
|
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
479 |
|
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
480 |
|
{ |
481 |
|
/* The remote modifier state is not correct */ |
482 |
|
uint16 new_remote_state = 0; |
483 |
|
|
484 |
|
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
485 |
|
{ |
486 |
|
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
487 |
|
new_remote_state |= KBD_FLAG_NUMLOCK; |
488 |
|
} |
489 |
|
else |
490 |
|
{ |
491 |
|
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
492 |
|
} |
493 |
|
|
494 |
|
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
495 |
|
update_modifier_state(SCANCODE_CHAR_NUMLOCK, True); |
496 |
|
} |
497 |
|
} |
498 |
|
|
499 |
|
|
500 |
|
void |
501 |
|
reset_modifier_keys(unsigned int state) |
502 |
|
{ |
503 |
|
/* reset keys */ |
504 |
|
uint32 ev_time; |
505 |
|
ev_time = time(NULL); |
506 |
|
|
507 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
508 |
|
&& !get_key_state(state, XK_Shift_L)) |
509 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
510 |
|
|
511 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
512 |
|
&& !get_key_state(state, XK_Shift_R)) |
513 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
514 |
|
|
515 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
516 |
|
&& !get_key_state(state, XK_Control_L)) |
517 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
518 |
|
|
519 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
520 |
|
&& !get_key_state(state, XK_Control_R)) |
521 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
522 |
|
|
523 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
524 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
525 |
|
|
526 |
|
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
527 |
|
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
528 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
529 |
|
} |
530 |
|
|
531 |
|
|
532 |
|
static void |
533 |
|
update_modifier_state(uint8 scancode, BOOL pressed) |
534 |
|
{ |
535 |
|
#ifdef WITH_DEBUG_KBD |
536 |
|
uint16 old_modifier_state; |
537 |
|
|
538 |
|
old_modifier_state = remote_modifier_state; |
539 |
|
#endif |
540 |
|
|
541 |
|
switch (scancode) |
542 |
|
{ |
543 |
|
case SCANCODE_CHAR_LSHIFT: |
544 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
545 |
|
break; |
546 |
|
case SCANCODE_CHAR_RSHIFT: |
547 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightShiftMask, pressed); |
548 |
|
break; |
549 |
|
case SCANCODE_CHAR_LCTRL: |
550 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftCtrlMask, pressed); |
551 |
|
break; |
552 |
|
case SCANCODE_CHAR_RCTRL: |
553 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightCtrlMask, pressed); |
554 |
|
break; |
555 |
|
case SCANCODE_CHAR_LALT: |
556 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftAltMask, pressed); |
557 |
|
break; |
558 |
|
case SCANCODE_CHAR_RALT: |
559 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightAltMask, pressed); |
560 |
|
break; |
561 |
|
case SCANCODE_CHAR_LWIN: |
562 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftWinMask, pressed); |
563 |
|
break; |
564 |
|
case SCANCODE_CHAR_RWIN: |
565 |
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightWinMask, pressed); |
566 |
|
break; |
567 |
|
case SCANCODE_CHAR_NUMLOCK: |
568 |
|
/* KeyReleases for NumLocks are sent immediately. Toggle the |
569 |
|
modifier state only on Keypress */ |
570 |
|
if (pressed) |
571 |
|
{ |
572 |
|
BOOL newNumLockState; |
573 |
|
newNumLockState = |
574 |
|
(MASK_HAS_BITS |
575 |
|
(remote_modifier_state, MapNumLockMask) == False); |
576 |
|
MASK_CHANGE_BIT(remote_modifier_state, |
577 |
|
MapNumLockMask, newNumLockState); |
578 |
|
} |
579 |
|
break; |
580 |
|
} |
581 |
|
|
582 |
|
#ifdef WITH_DEBUG_KBD |
583 |
|
if (old_modifier_state != remote_modifier_state) |
584 |
|
{ |
585 |
|
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
586 |
|
old_modifier_state, pressed)); |
587 |
|
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
588 |
|
} |
589 |
|
#endif |
590 |
|
|
591 |
|
} |
592 |
|
|
593 |
|
/* Send keyboard input */ |
594 |
|
void |
595 |
|
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
596 |
|
{ |
597 |
|
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
598 |
|
|
599 |
|
if (scancode & SCANCODE_EXTENDED) |
600 |
|
{ |
601 |
|
DEBUG_KBD(("Sending extended scancode=0x%x, flags=0x%x\n", |
602 |
|
scancode & ~SCANCODE_EXTENDED, flags)); |
603 |
|
rdp_send_input(time, RDP_INPUT_SCANCODE, flags | KBD_FLAG_EXT, |
604 |
|
scancode & ~SCANCODE_EXTENDED, 0); |
605 |
|
} |
606 |
|
else |
607 |
|
{ |
608 |
|
DEBUG_KBD(("Sending scancode=0x%x, flags=0x%x\n", scancode, flags)); |
609 |
|
rdp_send_input(time, RDP_INPUT_SCANCODE, flags, scancode, 0); |
610 |
|
} |
611 |
|
} |