src/be/nikiroo/jvcard/tui/TuiLauncherJexer.java

   1 package be.nikiroo.jvcard.tui;
   2
   3 import java.io.UnsupportedEncodingException;
   4 import java.util.List;
   5
   6 import jexer.TAction;
   7 import jexer.TApplication;
   8 import be.nikiroo.jvcard.tui.windows.TuiBrowserWindow;
   9 import be.nikiroo.jvcard.tui.windows.TuiFileListWindow;
  10
  11 /**
  12  * Starting the TUI.
  13  *
  14  * @author niki
  15  */
  16 public class TuiLauncherJexer extends TApplication {
  17         /**
  18          * Application is in fullscreen mode, no windows.
  19          *
  20          * TODO: make it an option
  21          */
  22         static public final boolean FULLSCREEN = true;
  23
  24         /**
  25          * @param textMode
  26          *            TRUE to force text mode, FALSE to force the Swing terminal
  27          *            emulator, null to automatically determine the best choice
  28          * @param files
  29          *            the files to show at startup
  30          *
  31          * @throws UnsupportedEncodingException
  32          *             if an exception is thrown when creating the InputStreamReader
  33          */
  34         public TuiLauncherJexer(final Boolean textMode, final List<String> files)
  35                         throws UnsupportedEncodingException {
  36                 super(backend(textMode));
  37
  38                 addFileMenu();
  39                 addWindowMenu();
  40
  41                 int width = getBackend().getScreen().getWidth();
  42                 int height = getBackend().getScreen().getHeight() - 2;
  43
  44                 if (backend(textMode) == BackendType.SWING) {
  45                         // TODO: why does the size change after the FIRST window has been
  46                         // created (SWING mode only?) ?
  47                         // A problem with the graphical size not an exact number of
  48                         // cols/lines?
  49                         width--;
  50                         height--;
  51                 }
  52
  53                 width = Math.max(1, width);
  54                 height = Math.max(1, height);
  55
  56                 TuiBrowserWindow main = new TuiFileListWindow(TuiLauncherJexer.this,
  57                                 width, height, files);
  58
  59                 main.addCloseListener(new TAction() {
  60                         @Override
  61                         public void DO() {
  62                                 TuiLauncherJexer.this.exit(false);
  63                         }
  64                 });
  65         }
  66
  67         /**
  68          * Start the TUI program.
  69          */
  70         public void start() {
  71                 (new Thread(this)).start();
  72         }
  73
  74         /**
  75          * Select the most appropriate backend.
  76          *
  77          * @param textMode
  78          *            NULL for auto-detection
  79          * @return the backend type to use
  80          */
  81         private static BackendType backend(Boolean textMode) {
  82                 if (textMode == null) {
  83                         boolean isMsWindows = System.getProperty("os.name", "")
  84                                         .toLowerCase().startsWith("windows");
  85                         boolean forceSwing = System.getProperty("jexer.Swing", "false")
  86                                         .equals("true");
  87                         boolean noConsole = System.console() == null;
  88                         if (isMsWindows || forceSwing || noConsole) {
  89                                 return BackendType.SWING;
  90                         }
  91
  92                         return BackendType.XTERM;
  93                 }
  94
  95                 if (textMode) {
  96                         return BackendType.XTERM;
  97                 }
  98
  99                 return BackendType.SWING;
 100         }
 101 }