Implemented Channel Display

MANUAL

@@ -3,9 +3,22 @@ Video Disk Recorder User's Manual
 
 * Selecting a Channel
 
-  You can select a channel either by pressing the "Up" or "Down" key (while
+  There are three ways to select a channel:
-  no On Screen Menu is displayed), or browsing through the channel list in
+
-  the menu and pressing "Ok" on the desired channel.
+  1. With no On Screen Menu displayed press the "Up" or "Down" key to switch
+     to the next higher or lower channel.
+  2. Press the "Menu" button to bring up the On Screen Menu, select "Channels"
+     and browse through the list with the "Up" and "Down" key; to switch to the
+     selected channel press "Ok".
+  2. Directly type in the channel number with the numeric keys ('0'..'9');
+     if no key is pressed for about half a second, the digits collected so
+     far will define the channel number.
+
+  After switching to a different channel the channel number and name, as well
+  as the current time are displayed at the top of the screen. This line
+  automatically goes away after about two seconds, or if any key is pressed.
+  To bring up the channel display without switching channels you can press
+  the "Ok" button.
 
 * Instant Recording
 

config.c

@@ -4,7 +4,7 @@
  * See the main source file 'osm.c' for copyright information and
  * how to reach the author.
  *
- * $Id: config.c 1.3 2000/04/15 12:48:00 kls Exp $
+ * $Id: config.c 1.4 2000/04/22 13:32:27 kls Exp $
  */
 
 #include "config.h"
@@ -206,7 +206,6 @@ bool cChannel::Switch(void)
   if (!DvbApi.Recording()) {
      isyslog(LOG_INFO, "switching to channel %d", Index() + 1);
      CurrentChannel = Index();
-     Interface.DisplayChannel(CurrentChannel + 1, name);
      for (int i = 3; --i;) {
          if (DvbApi.SetChannel(frequency, polarization, diseqc, srate, vpid, apid, ca, pnr))
             return true;

dvbapi.c

@@ -4,7 +4,7 @@
  * See the main source file 'osm.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbapi.c 1.3 2000/04/15 14:45:04 kls Exp $
+ * $Id: dvbapi.c 1.4 2000/04/22 13:09:49 kls Exp $
  */
 
 #include "dvbapi.h"
@@ -1001,7 +1001,7 @@ cDvbApi::cDvbApi(void)
   memset(&colorPairs, 0, sizeof(colorPairs));
   start_color();
   leaveok(stdscr, TRUE);
-  window = stdscr;
+  window = NULL;
 #endif
 }
 
@@ -1054,19 +1054,21 @@ void cDvbApi::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, co
 }
 #endif
 
-void cDvbApi::Open(int w, int h)
+void cDvbApi::Open(int w, int h, int d)
 {
   cols = w;
   rows = h;
 #ifdef DEBUG_OSD
-  //XXX size...
+  window = subwin(stdscr, h, w, d, 0);
+  syncok(window, TRUE);
   #define B2C(b) (((b) * 1000) / 255)
   #define SETCOLOR(n, r, g, b, o) init_color(n, B2C(r), B2C(g), B2C(b))
 #else
   w *= charWidth;
   h *= lineHeight;
-  int x = (720 - w) / 2; //TODO PAL vs. NTSC???
+  d *= lineHeight;
-  int y = (576 - h) / 2;
+  int x = (720 - MenuColumns * charWidth) / 2; //TODO PAL vs. NTSC???
+  int y = (576 - MenuLines * lineHeight) / 2 + d;
   Cmd(OSD_Open, 4, x, y, x + w - 1, y + h - 1);
   #define SETCOLOR(n, r, g, b, o) Cmd(OSD_SetColor, n, r, g, b, o)
 #endif
@@ -1108,6 +1110,7 @@ void cDvbApi::Fill(int x, int y, int w, int h, eDvbColor color)
       wmove(window, y + r, x); // ncurses wants 'y' before 'x'!
       whline(window, ' ', w);
       }
+  wsyncup(window); // shouldn't be necessary because of 'syncok()', but w/o it doesn't work
 #else
   Cmd(OSD_FillBlock, color, x * charWidth, y * lineHeight, (x + w) * charWidth - 1, (y + h) * lineHeight - 1);
 #endif

dvbapi.h

@@ -4,7 +4,7 @@
  * See the main source file 'osm.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbapi.h 1.3 2000/04/15 13:36:10 kls Exp $
+ * $Id: dvbapi.h 1.4 2000/04/22 13:07:34 kls Exp $
  */
 
 #ifndef __DVBAPI_H
@@ -21,6 +21,9 @@ typedef unsigned char __u8;
 #include <stdio.h>
 #include "../DVB/driver/dvb.h"
 
+#define MenuLines   15
+#define MenuColumns 40
+
 enum eDvbColor { clrBackground,
 #ifndef DEBUG_OSD
                  clrOBSOLETE, //FIXME apparently color '1' can't be used as FgColor with e.g. clrRed as BgColor???
@@ -59,7 +62,7 @@ private:
   int cols, rows;
   void Cmd(OSD_Command cmd, int color = 0, int x0 = 0, int y0 = 0, int x1 = 0, int y1 = 0, const void *data = NULL);
 public:
-  void Open(int w, int h);
+  void Open(int w, int h, int d = 0);
   void Close(void);
   void Clear(void);
   void Fill(int x, int y, int w, int h, eDvbColor color = clrBackground);

interface.c

@@ -4,16 +4,13 @@
  * See the main source file 'osm.c' for copyright information and
  * how to reach the author.
  *
- * $Id: interface.c 1.3 2000/04/15 17:38:11 kls Exp $
+ * $Id: interface.c 1.4 2000/04/22 13:51:48 kls Exp $
  */
 
 #include "interface.h"
 #include <unistd.h>
 #include "remote.h"
 
-#define MenuLines   15
-#define MenuColumns 40
-
 #ifndef DEBUG_REMOTE
 cRcIo RcIo("/dev/ttyS1");
 #endif
@@ -26,6 +23,7 @@ cInterface::cInterface(void)
 {
   open = 0;
   cols[0] = 0;
+  keyFromWait = kNone;
 }
 
 void cInterface::Init(void)
@@ -35,10 +33,10 @@ void cInterface::Init(void)
 #endif
 }
 
-void cInterface::Open(void)
+void cInterface::Open(int NumCols, int NumLines, int StartLine)
 {
   if (!open++)
-     DvbApi.Open(MenuColumns, MenuLines);
+     DvbApi.Open(NumCols, NumLines, StartLine);
 }
 
 void cInterface::Close(void)
@@ -65,19 +63,24 @@ unsigned int cInterface::GetCh(void)
 
 eKeys cInterface::GetKey(void)
 {
-  return Keys.Get(GetCh());
+  eKeys Key = keyFromWait != kNone ? keyFromWait : Keys.Get(GetCh());
-}
+  keyFromWait = kNone;
-
-eKeys cInterface::Wait(int Seconds)
-{
-  int t0 = time_ms();
-
-  while (time_ms() - t0 < Seconds * 1000) {
-        eKeys Key = GetKey();
-        if (Key != kNone)
   return Key;
 }
-  return kNone;
+
+eKeys cInterface::Wait(int Seconds, bool KeepChar)
+{
+  int t0 = time_ms();
+  eKeys Key = kNone;
+
+  while (time_ms() - t0 < Seconds * 1000) {
+        Key = GetKey();
+        if (Key != kNone)
+           break;
+        }
+  if (KeepChar)
+     keyFromWait = Key;
+  return Key;
 }
 
 void cInterface::Clear(void)
@@ -312,8 +315,20 @@ void cInterface::LearnKeys(void)
 
 void cInterface::DisplayChannel(int Number, const char *Name)
 {
-//TODO
 #ifndef DEBUG_REMOTE
   RcIo.Number(Number);
 #endif
+  if (Name) {
+     Open(MenuColumns, 1);
+     char buffer[MenuColumns + 1];
+     snprintf(buffer, sizeof(buffer), "%d  %s", Number, Name ? Name : "");
+     Write(0, 0, buffer);
+     time_t t = time(NULL);
+     struct tm *now = localtime(&t);
+     snprintf(buffer, sizeof(buffer), "%02d:%02d", now->tm_hour, now->tm_min);
+     Write(-5, 0, buffer);
+     if (Wait(2, true) == kOk)
+        GetKey();
+     Close();
+     }
 }

interface.h

@@ -4,7 +4,7 @@
  * See the main source file 'osm.c' for copyright information and
  * how to reach the author.
  *
- * $Id: interface.h 1.4 2000/04/22 09:55:52 kls Exp $
+ * $Id: interface.h 1.5 2000/04/22 13:07:16 kls Exp $
  */
 
 #ifndef __INTERFACE_H
@@ -19,14 +19,15 @@ public:
 private:
   int open;
   int cols[MaxCols];
+  eKeys keyFromWait;
   unsigned int GetCh(void);
   void QueryKeys(void);
   void HelpButton(int Index, const char *Text, eDvbColor FgColor, eDvbColor BgColor);
-  eKeys Wait(int Seconds = 1);
+  eKeys Wait(int Seconds = 1, bool KeepChar = false);
 public:
   cInterface(void);
   void Init(void);
-  void Open(void);
+  void Open(int NumCols = MenuColumns, int NumLines = MenuLines, int StartLine = 0);
   void Close(void);
   eKeys GetKey(void);
   void Clear(void);

osm.c

@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.cadsoft.de/people/kls/vdr
  *
- * $Id: osm.c 1.6 2000/04/22 09:56:33 kls Exp $
+ * $Id: osm.c 1.7 2000/04/22 13:35:37 kls Exp $
  */
 
 #include <signal.h>
@@ -67,8 +67,16 @@ int main(int argc, char *argv[])
   cMenuMain *Menu = NULL;
   cTimer *Timer = NULL;
   int dcTime = 0, dcNumber = 0;
+  int LastChannel = -1;
 
   while (!Interrupted) {
+        // Channel display:
+        if (CurrentChannel != LastChannel) {
+           cChannel *channel = Channels.Get(CurrentChannel);
+           if (channel)
+              Interface.DisplayChannel(CurrentChannel + 1, channel->name);
+           LastChannel = CurrentChannel;
+           }
         // Direct Channel Select (action):
         if (dcNumber) {
            Interface.DisplayChannel(dcNumber);
@@ -146,6 +154,7 @@ int main(int argc, char *argv[])
              case kMenu: Menu = new cMenuMain;
                          Menu->Display();
                          break;
+             // Up/Down Channel Select:
              case kUp:
              case kDown: {
                            int n = CurrentChannel + (key == kUp ? 1 : -1);
@@ -154,6 +163,9 @@ int main(int argc, char *argv[])
                               channel->Switch();
                          }
                          break;
+             // Viewing Control:
+             case kOk:   LastChannel = -1; break; // forces channel display
+                         //TODO if replaying switch to progress display instead
              default:    break;
              }
            }