skincurses.c

These files contain the source code of the "Video Disk Recorder", which is based on the DVB driver

  int y = 2;
  cTextScroller ts;
  char t[32];
  snprintf(t, sizeof(t), "%s  %s", *DateString(Recording->start), *TimeString(Recording->start));
  ts.Set(osd, 0, y, OsdWidth, OsdHeight - y - 2, t, &Font, clrYellow, clrBackground);
  y += ts.Height();
  y += 1;
  const char *Title = Info->Title();
  if (isempty(Title))
     Title = Recording->Name();
  ts.Set(osd, 0, y, OsdWidth, OsdHeight - y - 2, Title, &Font, clrCyan, clrBackground);
  y += ts.Height();
  if (!isempty(Info->ShortText())) {
     ts.Set(osd, 0, y, OsdWidth, OsdHeight - y - 2, Info->ShortText(), &Font, clrYellow, clrBackground);
     y += ts.Height();
     }
  y += 1;
  if (!isempty(Info->Description())) {
     textScroller.Set(osd, 0, y, OsdWidth - 2, OsdHeight - y - 2, Info->Description(), &Font, clrCyan, clrBackground);
     SetScrollbar();
     }
}

void cSkinCursesDisplayMenu::SetText(const char *Text, bool FixedFont)
{
  textScroller.Set(osd, 0, 2, OsdWidth - 2, OsdHeight - 4, Text, &Font, clrWhite, clrBackground);
  SetScrollbar();
}

void cSkinCursesDisplayMenu::Flush(void)
{
  cString date = DayDateTime();
  osd->DrawText(OsdWidth - strlen(date) - 2, 0, date, clrBlack, clrCyan, &Font);
  osd->Flush();
}

// --- cSkinCursesDisplayReplay ----------------------------------------------

class cSkinCursesDisplayReplay : public cSkinDisplayReplay {
private:
  cOsd *osd;
  bool message;
public:
  cSkinCursesDisplayReplay(bool ModeOnly);
  virtual ~cSkinCursesDisplayReplay();
  virtual void SetTitle(const char *Title);
  virtual void SetMode(bool Play, bool Forward, int Speed);
  virtual void SetProgress(int Current, int Total);
  virtual void SetCurrent(const char *Current);
  virtual void SetTotal(const char *Total);
  virtual void SetJump(const char *Jump);
  virtual void SetMessage(eMessageType Type, const char *Text);
  virtual void Flush(void);
  };

cSkinCursesDisplayReplay::cSkinCursesDisplayReplay(bool ModeOnly)
{
  message = false;
  osd = new cCursesOsd(0, OsdHeight - 3);
  osd->DrawRectangle(0, 0, OsdWidth - 1, 2, ModeOnly ? clrTransparent : clrBackground);
}

cSkinCursesDisplayReplay::~cSkinCursesDisplayReplay()
{
  delete osd;
}

void cSkinCursesDisplayReplay::SetTitle(const char *Title)
{
  osd->DrawText(0, 0, Title, clrWhite, clrBackground, &Font, OsdWidth);
}

void cSkinCursesDisplayReplay::SetMode(bool Play, bool Forward, int Speed)
{
  if (Setup.ShowReplayMode) {
     const char *Mode;
     if (Speed == -1) Mode = Play    ? "  >  " : " ||  ";
     else if (Play)   Mode = Forward ? " X>> " : " <<X ";
     else             Mode = Forward ? " X|> " : " <|X ";
     char buf[16];
     strn0cpy(buf, Mode, sizeof(buf));
     char *p = strchr(buf, 'X');
     if (p)
        *p = Speed > 0 ? '1' + Speed - 1 : ' ';
     SetJump(buf);
     }
}

void cSkinCursesDisplayReplay::SetProgress(int Current, int Total)
{
  int p = Total > 0 ? OsdWidth * Current / Total : 0;
  osd->DrawRectangle(0, 1, p, 1, clrGreen);
  osd->DrawRectangle(p, 1, OsdWidth, 1, clrWhite);
}

void cSkinCursesDisplayReplay::SetCurrent(const char *Current)
{
  osd->DrawText(0, 2, Current, clrWhite, clrBackground, &Font, strlen(Current) + 3);
}

void cSkinCursesDisplayReplay::SetTotal(const char *Total)
{
  osd->DrawText(OsdWidth - strlen(Total), 2, Total, clrWhite, clrBackground, &Font);
}

void cSkinCursesDisplayReplay::SetJump(const char *Jump)
{
  osd->DrawText(OsdWidth / 4, 2, Jump, clrWhite, clrBackground, &Font, OsdWidth / 2, 0, taCenter);
}

void cSkinCursesDisplayReplay::SetMessage(eMessageType Type, const char *Text)
{
  if (Text) {
     osd->SaveRegion(0, 2, OsdWidth - 1, 2);
     osd->DrawText(0, 2, Text, clrMessage[2 * Type], clrMessage[2 * Type + 1], &Font, OsdWidth, 0, taCenter);
     message = true;
     }
  else {
     osd->RestoreRegion();
     message = false;
     }
}

void cSkinCursesDisplayReplay::Flush(void)
{
  osd->Flush();
}

// --- cSkinCursesDisplayVolume ----------------------------------------------

class cSkinCursesDisplayVolume : public cSkinDisplayVolume {
private:
  cOsd *osd;
public:
  cSkinCursesDisplayVolume(void);
  virtual ~cSkinCursesDisplayVolume();
  virtual void SetVolume(int Current, int Total, bool Mute);
  virtual void Flush(void);
  };

cSkinCursesDisplayVolume::cSkinCursesDisplayVolume(void)
{
  osd = new cCursesOsd(0, OsdHeight - 1);
}

cSkinCursesDisplayVolume::~cSkinCursesDisplayVolume()
{
  delete osd;
}

void cSkinCursesDisplayVolume::SetVolume(int Current, int Total, bool Mute)
{
  if (Mute) {
     osd->DrawRectangle(0, 0, OsdWidth - 1, 0, clrTransparent);
     osd->DrawText(0, 0, tr("Key$Mute"), clrGreen, clrBackground, &Font);
     }
  else {
     const char *Prompt = tr("Volume ");
     int l = strlen(Prompt);
     int p = (OsdWidth - l) * Current / Total;
     osd->DrawText(0, 0, Prompt, clrGreen, clrBackground, &Font);
     osd->DrawRectangle(l, 0, l + p - 1, 0, clrGreen);
     osd->DrawRectangle(l + p, 0, OsdWidth - 1, 0, clrWhite);
     }
}

void cSkinCursesDisplayVolume::Flush(void)
{
  osd->Flush();
}

// --- cSkinCursesDisplayTracks ----------------------------------------------

class cSkinCursesDisplayTracks : public cSkinDisplayTracks {
private:
  cOsd *osd;
  int itemsWidth;
  int currentIndex;
  void SetItem(const char *Text, int Index, bool Current);
public:
  cSkinCursesDisplayTracks(const char *Title, int NumTracks, const char * const *Tracks);
  virtual ~cSkinCursesDisplayTracks();
  virtual void SetTrack(int Index, const char * const *Tracks);
  virtual void SetAudioChannel(int AudioChannel) {}
  virtual void Flush(void);
  };

cSkinCursesDisplayTracks::cSkinCursesDisplayTracks(const char *Title, int NumTracks, const char * const *Tracks)
{
  currentIndex = -1;
  itemsWidth = Font.Width(Title);
  for (int i = 0; i < NumTracks; i++)
      itemsWidth = max(itemsWidth, Font.Width(Tracks[i]));
  itemsWidth = min(itemsWidth, OsdWidth);
  osd = new cCursesOsd(0, 0);
  osd->DrawRectangle(0, 0, OsdWidth - 1, OsdHeight - 1, clrBackground);
  osd->DrawText(0, 0, Title, clrBlack, clrCyan, &Font, itemsWidth);
  for (int i = 0; i < NumTracks; i++)
      SetItem(Tracks[i], i, false);
}

cSkinCursesDisplayTracks::~cSkinCursesDisplayTracks()
{
  delete osd;
}

void cSkinCursesDisplayTracks::SetItem(const char *Text, int Index, bool Current)
{
  int y = 1 + Index;
  int ColorFg, ColorBg;
  if (Current) {
     ColorFg = clrBlack;
     ColorBg = clrCyan;
     currentIndex = Index;
     }
  else {
     ColorFg = clrWhite;
     ColorBg = clrBackground;
     }
  osd->DrawText(0, y, Text, ColorFg, ColorBg, &Font, itemsWidth);
}

void cSkinCursesDisplayTracks::SetTrack(int Index, const char * const *Tracks)
{
  if (currentIndex >= 0)
     SetItem(Tracks[currentIndex], currentIndex, false);
  SetItem(Tracks[Index], Index, true);
}

void cSkinCursesDisplayTracks::Flush(void)
{
  osd->Flush();
}

// --- cSkinCursesDisplayMessage ---------------------------------------------

class cSkinCursesDisplayMessage : public cSkinDisplayMessage {
private:
  cOsd *osd;
public:
  cSkinCursesDisplayMessage(void);
  virtual ~cSkinCursesDisplayMessage();
  virtual void SetMessage(eMessageType Type, const char *Text);
  virtual void Flush(void);
  };

cSkinCursesDisplayMessage::cSkinCursesDisplayMessage(void)
{
  osd = new cCursesOsd(0, OsdHeight - 1);
}

cSkinCursesDisplayMessage::~cSkinCursesDisplayMessage()
{
  delete osd;
}

void cSkinCursesDisplayMessage::SetMessage(eMessageType Type, const char *Text)
{
  osd->DrawText(0, 0, Text, clrMessage[2 * Type], clrMessage[2 * Type + 1], &Font, OsdWidth, 0, taCenter);
}

void cSkinCursesDisplayMessage::Flush(void)
{
  osd->Flush();
}

// --- cSkinCurses -----------------------------------------------------------

class cSkinCurses : public cSkin {
public:
  cSkinCurses(void);
  virtual const char *Description(void);
  virtual cSkinDisplayChannel *DisplayChannel(bool WithInfo);
  virtual cSkinDisplayMenu *DisplayMenu(void);
  virtual cSkinDisplayReplay *DisplayReplay(bool ModeOnly);
  virtual cSkinDisplayVolume *DisplayVolume(void);
  virtual cSkinDisplayTracks *DisplayTracks(const char *Title, int NumTracks, const char * const *Tracks);
  virtual cSkinDisplayMessage *DisplayMessage(void);
  };

cSkinCurses::cSkinCurses(void)
:cSkin("curses")
{
}

const char *cSkinCurses::Description(void)
{
  return tr("Text mode");
}

cSkinDisplayChannel *cSkinCurses::DisplayChannel(bool WithInfo)
{
  return new cSkinCursesDisplayChannel(WithInfo);
}

cSkinDisplayMenu *cSkinCurses::DisplayMenu(void)
{
  return new cSkinCursesDisplayMenu;
}

cSkinDisplayReplay *cSkinCurses::DisplayReplay(bool ModeOnly)
{
  return new cSkinCursesDisplayReplay(ModeOnly);
}

cSkinDisplayVolume *cSkinCurses::DisplayVolume(void)
{
  return new cSkinCursesDisplayVolume;
}

cSkinDisplayTracks *cSkinCurses::DisplayTracks(const char *Title, int NumTracks, const char * const *Tracks)
{
  return new cSkinCursesDisplayTracks(Title, NumTracks, Tracks);
}

cSkinDisplayMessage *cSkinCurses::DisplayMessage(void)
{
  return new cSkinCursesDisplayMessage;
}

// --- cPluginSkinCurses -----------------------------------------------------

class cPluginSkinCurses : public cPlugin {
private:
  // Add any member variables or functions you may need here.
public:
  cPluginSkinCurses(void);
  virtual ~cPluginSkinCurses();
  virtual const char *Version(void) { return VERSION; }
  virtual const char *Description(void) { return DESCRIPTION; }
  virtual const char *CommandLineHelp(void);
  virtual bool ProcessArgs(int argc, char *argv[]);
  virtual bool Initialize(void);
  virtual bool Start(void);
  virtual void Housekeeping(void);
  virtual const char *MainMenuEntry(void) { return MAINMENUENTRY; }
  virtual cOsdObject *MainMenuAction(void);
  virtual cMenuSetupPage *SetupMenu(void);
  virtual bool SetupParse(const char *Name, const char *Value);
  };

cPluginSkinCurses::cPluginSkinCurses(void)
{
  // Initialize any member variables here.
  // DON'T DO ANYTHING ELSE THAT MAY HAVE SIDE EFFECTS, REQUIRE GLOBAL
  // VDR OBJECTS TO EXIST OR PRODUCE ANY OUTPUT!
}

cPluginSkinCurses::~cPluginSkinCurses()
{
  // Clean up after yourself!
  endwin();
}

const char *cPluginSkinCurses::CommandLineHelp(void)
{
  // Return a string that describes all known command line options.
  return NULL;
}

bool cPluginSkinCurses::ProcessArgs(int argc, char *argv[])
{
  // Implement command line argument processing here if applicable.
  return true;
}

bool cPluginSkinCurses::Initialize(void)
{
  // Initialize any background activities the plugin shall perform.
  WINDOW *w = initscr();
  if (w) {
     OsdWidth  = w->_maxx - w->_begx + 1;
     OsdHeight = w->_maxy - w->_begy + 1;
     return true;
     }
  return false;
}

bool cPluginSkinCurses::Start(void)
{
  // Start any background activities the plugin shall perform.
  cSkin *Skin = new cSkinCurses;
  // This skin is normally used for debugging, so let's make it the current one:
  Skins.SetCurrent(Skin->Name());
  return true;
}

void cPluginSkinCurses::Housekeeping(void)
{
  // Perform any cleanup or other regular tasks.
}

cOsdObject *cPluginSkinCurses::MainMenuAction(void)
{
  // Perform the action when selected from the main VDR menu.
  return NULL;
}

cMenuSetupPage *cPluginSkinCurses::SetupMenu(void)
{
  // Return a setup menu in case the plugin supports one.
  return NULL;
}

bool cPluginSkinCurses::SetupParse(const char *Name, const char *Value)
{
  // Parse your own setup parameters and store their values.
  return false;
}

VDRPLUGINCREATOR(cPluginSkinCurses); // Don't touch this!