/* * skincurses.c: A plugin for the Video Disk Recorder * * See the README file for copyright information and how to reach the author. * * $Id: skincurses.c 1.1 2004/05/31 14:01:49 kls Exp $ */ #include #include #include #include static const char *VERSION = "0.0.1"; static const char *DESCRIPTION = "A text only skin"; static const char *MAINMENUENTRY = NULL; // --- cCursesFont ----------------------------------------------------------- class cCursesFont : public cFont { public: cCursesFont(void): cFont(NULL) {} virtual int Width(unsigned char c) const { return 1; } virtual int Width(const char *s) const { return s ? strlen(s) : 0; } virtual int Height(unsigned char c) const { return 1; } virtual int Height(const char *s) const { return 1; } virtual int Height(void) const { return 1; } }; static const cCursesFont Font; // --- cCursesOsd ------------------------------------------------------------ #define clrBackground COLOR_BLACK #define clrTransparent clrBackground #define clrBlack clrBackground #define clrRed COLOR_RED #define clrGreen COLOR_GREEN #define clrYellow COLOR_YELLOW #define clrBlue COLOR_BLUE #define clrMagenta COLOR_MAGENTA #define clrCyan COLOR_CYAN #define clrWhite COLOR_WHITE static int clrMessage[] = { clrBlack, clrCyan, clrBlack, clrGreen, clrBlack, clrYellow, clrWhite, clrRed }; #define OsdWidth 50//XXX #define OsdHeight 20//XXX class cCursesOsd : public cOsd { private: WINDOW *savedRegion; WINDOW *window; enum { MaxColorPairs = 16 }; int colorPairs[MaxColorPairs]; void SetColor(int colorFg, int colorBg = clrBackground); public: cCursesOsd(int Left, int Top); virtual ~cCursesOsd(); virtual void SaveRegion(int x1, int y1, int x2, int y2); virtual void RestoreRegion(void); virtual void DrawText(int x, int y, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width = 0, int Height = 0, int Alignment = taDefault); virtual void DrawRectangle(int x1, int y1, int x2, int y2, tColor Color); virtual void Flush(void); }; cCursesOsd::cCursesOsd(int Left, int Top) :cOsd(Left, Top) { savedRegion = NULL; memset(colorPairs, 0x00, sizeof(colorPairs)); start_color(); leaveok(stdscr, true); window = subwin(stdscr, OsdHeight, OsdWidth, 0, 0); syncok(window, true); } cCursesOsd::~cCursesOsd() { if (window) { werase(window); Flush(); delwin(window); window = NULL; } } void cCursesOsd::SetColor(int colorFg, int colorBg) { int color = (colorBg << 16) | colorFg | 0x80000000; for (int i = 0; i < MaxColorPairs; i++) { if (!colorPairs[i]) { colorPairs[i] = color; init_pair(i + 1, colorFg, colorBg); //XXX??? attron(COLOR_PAIR(WHITE_ON_BLUE)); wattrset(window, COLOR_PAIR(i + 1)); break; } else if (color == colorPairs[i]) { wattrset(window, COLOR_PAIR(i + 1)); break; } } } void cCursesOsd::SaveRegion(int x1, int y1, int x2, int y2) { if (savedRegion) { delwin(savedRegion); savedRegion = NULL; } savedRegion = newwin(y2 - y1 + 1, x2 - x1 + 1, y1, x1); copywin(window, savedRegion, y1, x1, 0, 0, y2 - y1, x2 - x1, false); } void cCursesOsd::RestoreRegion(void) { if (savedRegion) { copywin(savedRegion, window, 0, 0, savedRegion->_begy, savedRegion->_begx, savedRegion->_maxy - savedRegion->_begy, savedRegion->_maxx - savedRegion->_begx, false); delwin(savedRegion); savedRegion = NULL; } } void cCursesOsd::DrawText(int x, int y, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width = 0, int Height = 0, int Alignment = taDefault) { int w = Font->Width(s); int h = Font->Height(); if (Width || Height) { int cw = Width ? Width : w; int ch = Height ? Height : h; DrawRectangle(x, y, x + cw - 1, y + ch - 1, ColorBg); if (Width) { if ((Alignment & taLeft) != 0) ; else if ((Alignment & taRight) != 0) { if (w < Width) x += Width - w; } else { // taCentered if (w < Width) x += (Width - w) / 2; } } if (Height) { if ((Alignment & taTop) != 0) ; else if ((Alignment & taBottom) != 0) { if (h < Height) y += Height - h; } else { // taCentered if (h < Height) y += (Height - h) / 2; } } } SetColor(ColorFg, ColorBg); wmove(window, y, x); // ncurses wants 'y' before 'x'! waddnstr(window, s, OsdWidth - x); } void cCursesOsd::DrawRectangle(int x1, int y1, int x2, int y2, tColor Color) { SetColor(Color, Color); for (int y = y1; y <= y2; y++) { wmove(window, y, x1); // ncurses wants 'y' before 'x'! whline(window, ' ', x2 - x1 + 1); } wsyncup(window); // shouldn't be necessary because of 'syncok()', but w/o it doesn't work } void cCursesOsd::Flush(void) { refresh(); } // --- cSkinCursesDisplayChannel --------------------------------------------- class cSkinCursesDisplayChannel : public cSkinDisplayChannel { private: cOsd *osd; int timeWidth; bool message; public: cSkinCursesDisplayChannel(bool WithInfo); virtual ~cSkinCursesDisplayChannel(); virtual void SetChannel(const cChannel *Channel, int Number); virtual void SetEvents(const cEvent *Present, const cEvent *Following); virtual void SetMessage(eMessageType Type, const char *Text); virtual void Flush(void); }; cSkinCursesDisplayChannel::cSkinCursesDisplayChannel(bool WithInfo) { int Lines = WithInfo ? 5 : 1; message = false; osd = new cCursesOsd(0, Setup.ChannelInfoPos ? 0 : OsdHeight - Lines); timeWidth = strlen("00:00"); osd->DrawRectangle(0, 0, OsdWidth - 1, Lines - 1, clrBackground); } cSkinCursesDisplayChannel::~cSkinCursesDisplayChannel() { delete osd; } void cSkinCursesDisplayChannel::SetChannel(const cChannel *Channel, int Number) { osd->DrawRectangle(0, 0, OsdWidth - 1, 0, clrBackground); osd->DrawText(0, 0, ChannelString(Channel, Number), clrWhite, clrBackground, &Font); } void cSkinCursesDisplayChannel::SetEvents(const cEvent *Present, const cEvent *Following) { osd->DrawRectangle(0, 1, timeWidth - 1, 4, clrRed); osd->DrawRectangle(timeWidth, 1, OsdWidth - 1, 4, clrBackground); for (int i = 0; i < 2; i++) { const cEvent *e = !i ? Present : Following; if (e) { osd->DrawText( 0, 2 * i + 1, e->GetTimeString(), clrWhite, clrRed, &Font); osd->DrawText(timeWidth + 1, 2 * i + 1, e->Title(), clrCyan, clrBackground, &Font); osd->DrawText(timeWidth + 1, 2 * i + 2, e->ShortText(), clrYellow, clrBackground, &Font); } } } void cSkinCursesDisplayChannel::SetMessage(eMessageType Type, const char *Text) { if (Text) { osd->SaveRegion(0, 0, OsdWidth - 1, 0); osd->DrawText(0, 0, Text, clrMessage[2 * Type], clrMessage[2 * Type + 1], &Font, OsdWidth, 0, taCenter); message = true; } else { osd->RestoreRegion(); message = false; } } void cSkinCursesDisplayChannel::Flush(void) { if (!message) { const char *date = DayDateTime(); osd->DrawText(OsdWidth - strlen(date), 0, date, clrWhite, clrBackground, &Font); } osd->Flush(); } // --- cSkinCursesDisplayMenu ------------------------------------------------ class cSkinCursesDisplayMenu : public cSkinDisplayMenu { private: cOsd *osd; void SetScrollbar(void); public: cSkinCursesDisplayMenu(void); virtual ~cSkinCursesDisplayMenu(); virtual void Scroll(bool Up, bool Page); virtual int MaxItems(void); virtual void Clear(void); virtual void SetTitle(const char *Title); virtual void SetButtons(const char *Red, const char *Green = NULL, const char *Yellow = NULL, const char *Blue = NULL); virtual void SetMessage(eMessageType Type, const char *Text); virtual void SetItem(const char *Text, int Index, bool Current, bool Selectable); virtual void SetEvent(const cEvent *Event); virtual void SetRecording(const cRecording *Recording); virtual void SetText(const char *Text, bool FixedFont); virtual void Flush(void); }; cSkinCursesDisplayMenu::cSkinCursesDisplayMenu(void) { osd = new cCursesOsd(0, 0); osd->DrawRectangle(0, 0, OsdWidth - 1, OsdHeight - 1, clrBackground); } cSkinCursesDisplayMenu::~cSkinCursesDisplayMenu() { delete osd; } void cSkinCursesDisplayMenu::SetScrollbar(void) { if (textScroller.CanScroll()) { int yt = textScroller.Top(); int yb = yt + textScroller.Height() - 1; int st = yt; int sb = yb; int tt = st + (sb - st) * textScroller.Offset() / textScroller.Total(); int tb = tt + (sb - st) * textScroller.Shown() / textScroller.Total(); int xl = OsdWidth - 1; osd->DrawRectangle(xl, st, xl, sb, clrCyan); osd->DrawRectangle(xl, tt, xl, tb, clrWhite); } } void cSkinCursesDisplayMenu::Scroll(bool Up, bool Page) { cSkinDisplayMenu::Scroll(Up, Page); SetScrollbar(); } int cSkinCursesDisplayMenu::MaxItems(void) { return OsdHeight - 4; } void cSkinCursesDisplayMenu::Clear(void) { osd->DrawRectangle(0, 1, OsdWidth - 1, OsdHeight - 2, clrBackground); textScroller.Reset(); } void cSkinCursesDisplayMenu::SetTitle(const char *Title) { osd->DrawText(0, 0, Title, clrBlack, clrCyan, &Font, OsdWidth); } void cSkinCursesDisplayMenu::SetButtons(const char *Red, const char *Green, const char *Yellow, const char *Blue) { int w = OsdWidth; int t0 = 0; int t1 = 0 + w / 4; int t2 = 0 + w / 2; int t3 = w - w / 4; int t4 = w; int y = OsdHeight - 1; osd->DrawText(t0, y, Red, clrWhite, Red ? clrRed : clrBackground, &Font, t1 - t0, 0, taCenter); osd->DrawText(t1, y, Green, clrBlack, Green ? clrGreen : clrBackground, &Font, t2 - t1, 0, taCenter); osd->DrawText(t2, y, Yellow, clrBlack, Yellow ? clrYellow : clrBackground, &Font, t3 - t2, 0, taCenter); osd->DrawText(t3, y, Blue, clrWhite, Blue ? clrBlue : clrBackground, &Font, t4 - t3, 0, taCenter); } void cSkinCursesDisplayMenu::SetMessage(eMessageType Type, const char *Text) { if (Text) osd->DrawText(0, OsdHeight - 2, Text, clrMessage[2 * Type], clrMessage[2 * Type + 1], &Font, OsdWidth, 0, taCenter); else osd->DrawRectangle(0, OsdHeight - 2, OsdWidth - 1, OsdHeight - 2, clrBackground); } void cSkinCursesDisplayMenu::SetItem(const char *Text, int Index, bool Current, bool Selectable) { int y = 2 + Index; int ColorFg, ColorBg; if (Current) { ColorFg = clrBlack; ColorBg = clrCyan; } else { ColorFg = Selectable ? clrWhite : clrCyan; ColorBg = clrBackground; } for (int i = 0; i < MaxTabs; i++) { const char *s = GetTabbedText(Text, i); if (s) { int xt = Tab(i); osd->DrawText(xt, y, s, ColorFg, ColorBg, &Font, OsdWidth - xt); } if (!Tab(i + 1)) break; } SetEditableWidth(OsdWidth - Tab(1)); } void cSkinCursesDisplayMenu::SetEvent(const cEvent *Event) { if (!Event) return; int y = 2; cTextScroller ts; char t[32]; snprintf(t, sizeof(t), "%s %s - %s", Event->GetDateString(), Event->GetTimeString(), Event->GetEndTimeString()); ts.Set(osd, 0, y, OsdWidth, OsdHeight - y - 2, t, &Font, clrYellow, clrBackground); if (Event->Vps() && Event->Vps() != Event->StartTime()) { char *buffer; asprintf(&buffer, " VPS: %s", Event->GetVpsString()); osd->DrawText(OsdWidth - strlen(buffer), y, buffer, clrBlack, clrYellow, &Font); free(buffer); } y += ts.Height(); y += 1; ts.Set(osd, 0, y, OsdWidth, OsdHeight - y - 2, Event->Title(), &Font, clrCyan, clrBackground); y += ts.Height(); if (!isempty(Event->ShortText())) { ts.Set(osd, 0, y, OsdWidth, OsdHeight - y - 2, Event->ShortText(), &Font, clrYellow, clrBackground); y += ts.Height(); } y += 1; if (!isempty(Event->Description())) { textScroller.Set(osd, 0, y, OsdWidth - 2, OsdHeight - y - 2, Event->Description(), &Font, clrCyan, clrBackground); SetScrollbar(); } } void cSkinCursesDisplayMenu::SetRecording(const cRecording *Recording) { SetText(Recording->Summary(), false); //TODO } 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) { const char *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 "; 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 = OsdWidth * Current / Total; 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("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(); } // --- 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 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; } 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. initscr(); return true; } bool cPluginSkinCurses::Start(void) { // Start any background activities the plugin shall perform. new cSkinCurses; 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!