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vdr/remote.c

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C
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/*
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* remote.c: General Remote Control handling
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
*
* $Id: remote.c 1.47 2006/01/08 17:13:18 kls Exp $
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*/
#include "remote.h"
#include <fcntl.h>
#include <netinet/in.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include "tools.h"
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// --- cRemote ---------------------------------------------------------------
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#define INITTIMEOUT 10000 // ms
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eKeys cRemote::keys[MaxKeys];
int cRemote::in = 0;
int cRemote::out = 0;
cRemote *cRemote::learning = NULL;
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char *cRemote::unknownCode = NULL;
cMutex cRemote::mutex;
cCondVar cRemote::keyPressed;
const char *cRemote::plugin = NULL;
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cRemote::cRemote(const char *Name)
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{
name = Name ? strdup(Name) : NULL;
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Remotes.Add(this);
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}
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cRemote::~cRemote()
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{
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free(name);
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}
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const char *cRemote::GetSetup(void)
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{
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return Keys.GetSetup(Name());
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}
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void cRemote::PutSetup(const char *Setup)
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{
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Keys.PutSetup(Name(), Setup);
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}
bool cRemote::Initialize(void)
{
if (Ready()) {
char *NewCode = NULL;
eKeys Key = Get(INITTIMEOUT, &NewCode);
if (Key != kNone || NewCode)
return true;
}
return false;
}
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void cRemote::Clear(void)
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{
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cMutexLock MutexLock(&mutex);
in = out = 0;
if (learning) {
free(unknownCode);
unknownCode = NULL;
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}
}
bool cRemote::Put(eKeys Key, bool AtFront)
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{
if (Key != kNone) {
cMutexLock MutexLock(&mutex);
if (in != out && (keys[out] & k_Repeat) && (Key & k_Release))
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Clear();
int d = out - in;
if (d <= 0)
d = MaxKeys + d;
if (d - 1 > 0) {
if (AtFront) {
if (--out < 0)
out = MaxKeys - 1;
keys[out] = Key;
}
else {
keys[in] = Key;
if (++in >= MaxKeys)
in = 0;
}
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keyPressed.Broadcast();
return true;
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}
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return false;
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}
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return true; // only a real key shall report an overflow!
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}
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bool cRemote::PutMacro(eKeys Key)
{
const cKeyMacro *km = KeyMacros.Get(Key);
if (km) {
plugin = km->Plugin();
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for (int i = 1; i < MAXKEYSINMACRO; i++) {
if (km->Macro()[i] != kNone) {
if (!Put(km->Macro()[i]))
return false;
}
else
break;
}
}
return true;
}
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bool cRemote::Put(uint64 Code, bool Repeat, bool Release)
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{
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char buffer[32];
snprintf(buffer, sizeof(buffer), "%016LX", Code);
return Put(buffer, Repeat, Release);
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}
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bool cRemote::Put(const char *Code, bool Repeat, bool Release)
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{
if (learning && this != learning)
return false;
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eKeys Key = Keys.Get(Name(), Code);
if (Key != kNone) {
if (Repeat)
Key = eKeys(Key | k_Repeat);
if (Release)
Key = eKeys(Key | k_Release);
return Put(Key);
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}
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if (learning) {
free(unknownCode);
unknownCode = strdup(Code);
keyPressed.Broadcast();
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}
return false;
}
void cRemote::CallPlugin(const char *Plugin)
{
plugin = Plugin;
Put(k_Plugin);
}
bool cRemote::HasKeys(void)
{
cMutexLock MutexLock(&mutex);
return in != out && !(keys[out] & k_Repeat);
}
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eKeys cRemote::Get(int WaitMs, char **UnknownCode)
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{
for (;;) {
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cMutexLock MutexLock(&mutex);
if (in != out) {
eKeys k = keys[out];
if (++out >= MaxKeys)
out = 0;
return k;
}
else if (!WaitMs || !keyPressed.TimedWait(mutex, WaitMs)) {
if (learning && UnknownCode) {
*UnknownCode = unknownCode;
unknownCode = NULL;
}
return kNone;
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}
}
}
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// --- cRemotes --------------------------------------------------------------
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cRemotes Remotes;
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// --- cKbdRemote ------------------------------------------------------------
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struct tKbdMap {
eKbdFunc func;
uint64 code;
};
static tKbdMap KbdMap[] = {
{ kfF1, 0x0000001B5B31317EULL },
{ kfF2, 0x0000001B5B31327EULL },
{ kfF3, 0x0000001B5B31337EULL },
{ kfF4, 0x0000001B5B31347EULL },
{ kfF5, 0x0000001B5B31357EULL },
{ kfF6, 0x0000001B5B31377EULL },
{ kfF7, 0x0000001B5B31387EULL },
{ kfF8, 0x0000001B5B31397EULL },
{ kfF9, 0x0000001B5B32307EULL },
{ kfF10, 0x0000001B5B32317EULL },
{ kfF11, 0x0000001B5B32327EULL },
{ kfF12, 0x0000001B5B32337EULL },
{ kfUp, 0x00000000001B5B41ULL },
{ kfDown, 0x00000000001B5B42ULL },
{ kfLeft, 0x00000000001B5B44ULL },
{ kfRight, 0x00000000001B5B43ULL },
{ kfHome, 0x00000000001B5B48ULL },
{ kfEnd, 0x00000000001B5B46ULL },
{ kfPgUp, 0x000000001B5B357EULL },
{ kfPgDown, 0x000000001B5B367EULL },
{ kfIns, 0x000000001B5B327EULL },
{ kfDel, 0x000000001B5B337EULL },
{ kfNone, 0x0000000000000000ULL }
};
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bool cKbdRemote::kbdAvailable = false;
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bool cKbdRemote::rawMode = false;
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cKbdRemote::cKbdRemote(void)
:cRemote("KBD")
,cThread("KBD remote control")
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{
tcgetattr(STDIN_FILENO, &savedTm);
struct termios tm;
if (tcgetattr(STDIN_FILENO, &tm) == 0) {
tm.c_iflag = 0;
tm.c_lflag &= ~(ICANON | ECHO);
tm.c_cc[VMIN] = 0;
tm.c_cc[VTIME] = 0;
tcsetattr(STDIN_FILENO, TCSANOW, &tm);
}
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kbdAvailable = true;
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Start();
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}
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cKbdRemote::~cKbdRemote()
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{
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kbdAvailable = false;
Cancel(3);
tcsetattr(STDIN_FILENO, TCSANOW, &savedTm);
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}
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void cKbdRemote::SetRawMode(bool RawMode)
{
rawMode = RawMode;
}
uint64 cKbdRemote::MapFuncToCode(int Func)
{
for (tKbdMap *p = KbdMap; p->func != kfNone; p++) {
if (p->func == Func)
return p->code;
}
return (Func <= 0xFF) ? Func : 0;
}
int cKbdRemote::MapCodeToFunc(uint64 Code)
{
for (tKbdMap *p = KbdMap; p->func != kfNone; p++) {
if (p->code == Code)
return p->func;
}
return (Code <= 0xFF) ? Code : kfNone;
}
int cKbdRemote::ReadKey(void)
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{
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cPoller Poller(STDIN_FILENO);
if (Poller.Poll(50)) {
uchar ch = 0;
int r = safe_read(STDIN_FILENO, &ch, 1);
if (r == 1)
return ch;
if (r < 0)
LOG_ERROR_STR("cKbdRemote");
}
return -1;
}
uint64 cKbdRemote::ReadKeySequence(void)
{
uint64 k = 0;
int key1;
if ((key1 = ReadKey()) >= 0) {
k = key1;
if (key1 == 0x1B) {
// Start of escape sequence
if ((key1 = ReadKey()) >= 0) {
k <<= 8;
k |= key1 & 0xFF;
switch (key1) {
case 0x4F: // 3-byte sequence
if ((key1 = ReadKey()) >= 0) {
k <<= 8;
k |= key1 & 0xFF;
}
break;
case 0x5B: // 3- or more-byte sequence
if ((key1 = ReadKey()) >= 0) {
k <<= 8;
k |= key1 & 0xFF;
switch (key1) {
case 0x31 ... 0x3F: // more-byte sequence
do {
if ((key1 = ReadKey()) < 0)
break; // Sequence ends here
k <<= 8;
k |= key1 & 0xFF;
} while (key1 != 0x7E);
break;
}
}
break;
}
}
}
}
return k;
}
void cKbdRemote::Action(void)
{
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while (Running()) {
uint64 Command = ReadKeySequence();
if (Command) {
if (rawMode || !Put(Command)) {
int func = MapCodeToFunc(Command);
if (func)
Put(KBDKEY(func));
}
}
}
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}