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mirror of https://github.com/VDR4Arch/vdr.git synced 2023-10-10 13:36:52 +02:00
vdr/interface.c
2000-09-19 17:48:42 +02:00

390 lines
9.8 KiB
C

/*
* interface.c: Abstract user interface layer
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: interface.c 1.19 2000/09/19 17:41:23 kls Exp $
*/
#include "interface.h"
#include <unistd.h>
#include "eit.h"
#include "remote.h"
cEIT EIT;
#if defined(REMOTE_RCU)
cRcIoRCU RcIo("/dev/ttyS1");
#elif defined(REMOTE_LIRC)
cRcIoLIRC RcIo("/dev/lircd");
#else
cRcIoKBD RcIo;
#endif
cInterface Interface;
cInterface::cInterface(void)
{
open = 0;
cols[0] = 0;
keyFromWait = kNone;
SVDRP = NULL;
}
void cInterface::Init(int SVDRPport)
{
RcIo.SetCode(Keys.code, Keys.address);
if (SVDRPport)
SVDRP = new cSVDRP(SVDRPport);
}
void cInterface::Cleanup(void)
{
delete SVDRP;
}
void cInterface::Open(int NumCols, int NumLines)
{
if (!open++)
cDvbApi::PrimaryDvbApi->Open(NumCols, NumLines);
}
void cInterface::Close(void)
{
if (open == 1)
Clear();
if (!--open)
cDvbApi::PrimaryDvbApi->Close();
}
unsigned int cInterface::GetCh(bool Wait)
{
if (RcIo.InputAvailable(Wait)) {
unsigned int Command;
return RcIo.GetCommand(&Command, NULL) ? Command : 0;
}
return 0;
}
eKeys cInterface::GetKey(bool Wait)
{
if (SVDRP)
SVDRP->Process();
eKeys Key = keyFromWait != kNone ? keyFromWait : Keys.Get(GetCh(Wait));
keyFromWait = kNone;
return Key;
}
void cInterface::PutKey(eKeys Key)
{
keyFromWait = Key;
}
eKeys cInterface::Wait(int Seconds, bool KeepChar)
{
eKeys Key = kNone;
RcIo.Flush(500);
if (cFile::AnyFileReady(-1, Seconds * 1000))
Key = GetKey();
if (KeepChar)
keyFromWait = Key;
return Key;
}
void cInterface::Clear(void)
{
if (open)
cDvbApi::PrimaryDvbApi->Clear();
}
void cInterface::ClearEol(int x, int y, eDvbColor Color)
{
if (open)
cDvbApi::PrimaryDvbApi->ClrEol(x, y, Color);
}
void cInterface::SetCols(int *c)
{
for (int i = 0; i < MaxCols; i++) {
cols[i] = *c++;
if (cols[i] == 0)
break;
}
}
void cInterface::Write(int x, int y, const char *s, eDvbColor FgColor, eDvbColor BgColor)
{
if (open)
cDvbApi::PrimaryDvbApi->Text(x, y, s, FgColor, BgColor);
}
void cInterface::WriteText(int x, int y, const char *s, eDvbColor FgColor, eDvbColor BgColor)
{
if (open) {
ClearEol(x, y, BgColor);
int col = 0;
for (;;) {
const char *t = strchr(s, '\t');
const char *p = s;
char buf[1000];
if (t && col < MaxCols && cols[col] > 0) {
unsigned int n = t - s;
if (n >= sizeof(buf))
n = sizeof(buf) - 1;
strncpy(buf, s, n);
buf[n] = 0;
p = buf;
s = t + 1;
}
Write(x, y, p, FgColor, BgColor);
if (p == s)
break;
x += cols[col++];
}
}
}
void cInterface::Title(const char *s)
{
int x = (MenuColumns - strlen(s)) / 2;
if (x < 0)
x = 0;
ClearEol(0, 0, clrCyan);
Write(x, 0, s, clrBlack, clrCyan);
}
void cInterface::Status(const char *s, eDvbColor FgColor, eDvbColor BgColor)
{
ClearEol(0, -3, s ? BgColor : clrBackground);
if (s)
Write(0, -3, s, FgColor, BgColor);
}
void cInterface::Info(const char *s)
{
Open();
isyslog(LOG_INFO, s);
Status(s, clrWhite, clrGreen);
Wait();
Status(NULL);
Close();
}
void cInterface::Error(const char *s)
{
Open();
esyslog(LOG_ERR, s);
Status(s, clrWhite, clrRed);
Wait();
Status(NULL);
Close();
}
bool cInterface::Confirm(const char *s)
{
Open();
isyslog(LOG_INFO, "confirm: %s", s);
Status(s, clrBlack, clrGreen);
bool result = Wait(10) == kOk;
Status(NULL);
Close();
isyslog(LOG_INFO, "%sconfirmed", result ? "" : "not ");
return result;
}
void cInterface::HelpButton(int Index, const char *Text, eDvbColor FgColor, eDvbColor BgColor)
{
if (open && Text) {
const int w = MenuColumns / 4;
int l = (w - strlen(Text)) / 2;
if (l < 0)
l = 0;
cDvbApi::PrimaryDvbApi->Fill(Index * w, -1, w, 1, BgColor);
cDvbApi::PrimaryDvbApi->Text(Index * w + l, -1, Text, FgColor, BgColor);
}
}
void cInterface::Help(const char *Red, const char *Green, const char *Yellow, const char *Blue)
{
HelpButton(0, Red, clrBlack, clrRed);
HelpButton(1, Green, clrBlack, clrGreen);
HelpButton(2, Yellow, clrBlack, clrYellow);
HelpButton(3, Blue, clrWhite, clrBlue);
}
void cInterface::QueryKeys(void)
{
Keys.Clear();
WriteText(1, 1, "Learning Remote Control Keys");
WriteText(1, 3, "Phase 1: Detecting RC code type");
WriteText(1, 5, "Press any key on the RC unit");
#ifndef REMOTE_KBD
unsigned char Code = 0;
unsigned short Address;
#endif
for (;;) {
#ifdef REMOTE_KBD
if (GetCh())
break;
#else
//TODO on screen display...
if (RcIo.DetectCode(&Code, &Address)) {
Keys.code = Code;
Keys.address = Address;
WriteText(1, 5, "RC code detected!");
WriteText(1, 6, "Do not press any key...");
RcIo.Flush(3000);
ClearEol(0, 5);
ClearEol(0, 6);
break;
}
#endif
}
WriteText(1, 3, "Phase 2: Learning specific key codes");
tKey *k = Keys.keys;
while (k->type != kNone) {
char *Prompt;
asprintf(&Prompt, "Press key for '%s'", k->name);
WriteText(1, 5, Prompt);
delete Prompt;
for (;;) {
unsigned int ch = GetCh();
if (ch != 0) {
switch (Keys.Get(ch)) {
case kUp: if (k > Keys.keys) {
k--;
break;
}
case kDown: if (k > Keys.keys + 1) {
WriteText(1, 5, "Press 'Up' to confirm");
WriteText(1, 6, "Press 'Down' to continue");
ClearEol(0, 7);
ClearEol(0, 8);
for (;;) {
eKeys key = GetKey();
if (key == kUp) {
Clear();
return;
}
else if (key == kDown) {
ClearEol(0, 6);
break;
}
}
break;
}
case kNone: k->code = ch;
k++;
break;
default: break;
}
break;
}
}
if (k > Keys.keys)
WriteText(1, 7, "(press 'Up' to go back)");
else
ClearEol(0, 7);
if (k > Keys.keys + 1)
WriteText(1, 8, "(press 'Down' to end key definition)");
else
ClearEol(0, 8);
}
}
void cInterface::LearnKeys(void)
{
isyslog(LOG_INFO, "learning keys");
Open();
for (;;) {
Clear();
QueryKeys();
Clear();
WriteText(1, 1, "Learning Remote Control Keys");
WriteText(1, 3, "Phase 3: Saving key codes");
WriteText(1, 5, "Press 'Up' to save, 'Down' to cancel");
for (;;) {
eKeys key = GetKey();
if (key == kUp) {
Keys.Save();
Close();
return;
}
else if (key == kDown) {
Keys.Load();
Close();
return;
}
}
}
}
eKeys cInterface::DisplayChannel(int Number, const char *Name, bool WithInfo)
{
// Number = 0 is used for channel group display and no EIT
if (Number)
RcIo.Number(Number);
if (Name && !Recording()) {
char *RunningTitle = "", *RunningSubtitle = "", *NextTitle = "", *NextSubtitle = "";
int Lines = 0;
if (Number && WithInfo && EIT.IsValid()) {
if (*(RunningTitle = EIT.GetRunningTitle())) Lines++;
if (*(RunningSubtitle = EIT.GetRunningSubtitle())) Lines++;
if (*(NextTitle = EIT.GetNextTitle())) Lines++;
if (*(NextSubtitle = EIT.GetNextSubtitle())) Lines++;
}
Open(MenuColumns, Lines + 1);
int BufSize = MenuColumns + 1;
char buffer[BufSize];
if (Number)
snprintf(buffer, BufSize, "%d %s", Number, Name ? Name : "");
else
snprintf(buffer, BufSize, "%s", Name ? Name : "");
Write(0, 0, buffer);
time_t t = time(NULL);
struct tm *now = localtime(&t);
snprintf(buffer, BufSize, "%02d:%02d", now->tm_hour, now->tm_min);
Write(-5, 0, buffer);
if (Lines > 0) {
const int t = 6;
int w = MenuColumns - t;
int l = 1;
if (*RunningTitle) {
Write(0, l, EIT.GetRunningTime(), clrYellow, clrBackground);
snprintf(buffer, BufSize, "%.*s", w, RunningTitle); Write(t, l, buffer, clrCyan, clrBackground);
l++;
}
if (*RunningSubtitle) {
snprintf(buffer, BufSize, "%.*s", w, RunningSubtitle); Write(t, l, buffer, clrCyan, clrBackground);
l++;
}
if (*NextTitle) {
Write(0, l, EIT.GetNextTime(), clrYellow, clrBackground);
snprintf(buffer, BufSize, "%.*s", w, NextTitle); Write(t, l, buffer, clrCyan, clrBackground);
l++;
}
if (*NextSubtitle) {
snprintf(buffer, BufSize, "%.*s", w, NextSubtitle); Write(t, l, buffer, clrCyan, clrBackground);
}
}
eKeys Key = Wait(5, true);
if (Key == kOk)
GetKey();
Close();
return Key;
}
return kNone;
}
void cInterface::DisplayRecording(int Index, bool On)
{
RcIo.SetPoints(1 << Index, On);
}
bool cInterface::Recording(void)
{
// This is located here because the Interface has to do with the "PrimaryDvbApi" anyway
return cDvbApi::PrimaryDvbApi->Recording();
}