public static void Run(Container container)
{
container = new ApplicationContainer(container);
if (Context == null) {
throw new Exception("You have to initialize the application with a context");
}
if (container.CanFocus) {
container.HasFocus = true;
}
// draw everything and refresh curses
container.SetDim(0, 0, Curses.Terminal.Width, Curses.Terminal.Height);
container.Redraw();
container.SetCursorPosition();
Curses.Refresh();
sw = new SignalWatcher(Context, Signum.SIGWINCH , () => {
Curses.resizeterm(Console.WindowHeight, Console.WindowWidth);
keyaction(Curses.Key.Resize);
});
keyaction = (key) => {
if (key == QuitKey) {
sw.Stop();
Context.Stop();
} else if (key == -2) {
container.Redraw();
container.SetCursorPosition();
Curses.Refresh();
} else if (key == Curses.Key.Resize) {
container.SetDim(0, 0, Curses.Terminal.Width, Curses.Terminal.Height);
container.ProcessKey(Curses.Key.Resize);
container.ForceRedraw();
container.SetCursorPosition();
Curses.Refresh();
} else {
container.ProcessKey(key);
}
};
stdin = Context.OpenStdin();
stdin.Ready(() => {
keyaction(Curses.getch());
});
sw.Start();
Context.CreateIdleWatcher(() => {
if (container.Invalid) {
keyaction(-2);
}
}).Start();
if (colors != null) {
Curses.Terminal.SetColors(colors);
}
Context.Start();
Context.Dispose();
OnEnd();
Window.End();
Running = false;
Context = null;
}
public ApplicationContainer(Container container)
{
Container = container;
Container.Container = this;
}
static void ProcessChar(Container container)
{
int ch = Curses.getch ();
if ((ch == -1) || (ch == Curses.KeyResize)){
if (Curses.CheckWinChange ()){
EmptyContainer.Clear ();
foreach (Container c in toplevels)
c.SizeChanged ();
Refresh ();
}
return;
}
if (ch == Curses.KeyMouse){
Curses.MouseEvent ev;
Curses.console_sharp_getmouse (out ev);
container.ProcessMouse (ev);
return;
}
if (ch == 27){
Curses.timeout (100);
int k = Curses.getch ();
if (k != Curses.ERR && k != 27)
ch = Curses.KeyAlt | k;
Curses.timeout (-1);
}
if (container.ProcessHotKey (ch))
return;
if (container.ProcessKey (ch))
return;
if (container.ProcessColdKey (ch))
return;
// Control-c, quit the current operation.
if (ch == 3){
container.Running = false;
return;
}
// Control-z, suspend execution, then repaint.
if (ch == 26){
Curses.console_sharp_sendsigtstp ();
Window.Standard.redrawwin ();
Curses.refresh ();
}
//
// Focus handling
//
if (ch == 9 || ch == Curses.KeyDown || ch == Curses.KeyRight){
if (!container.FocusNext ())
container.FocusNext ();
Curses.refresh ();
} else if (ch == Curses.KeyUp || ch == Curses.KeyLeft){
if (!container.FocusPrev ())
container.FocusPrev ();
Curses.refresh ();
}
}
static void Redraw(Container container)
{
container.Redraw ();
Curses.refresh ();
}
/// <summary>
/// Runs the main loop on the given container.
/// </summary>
/// <remarks>
/// This method is used to start processing events
/// for the main application, but it is also used to
/// run modal dialog boxes.
/// </remarks>
public static void Run(Container container)
{
var runToken = Begin (container);
RunLoop (runToken);
End (runToken);
}
// Called by the Dispose handler.
internal static void End(Container container)
{
toplevels.Remove (container);
if (toplevels.Count == 0)
Shutdown ();
else
Refresh ();
}
/// <summary>
/// Starts running a new container or dialog box.
/// </summary>
/// <remarks>
/// Use this method if you want to start the dialog, but
/// you want to control the main loop execution manually
/// by calling the RunLoop method (for example, to start
/// the dialog, but continuing to process events).
///
/// Use the returned value as the argument to RunLoop
/// and later to the End method to remove the container
/// from the screen.
/// </remarks>
public static RunState Begin(Container container)
{
if (container == null)
throw new ArgumentNullException ("container");
var rs = new RunState (container);
Init (false);
Curses.timeout (-1);
toplevels.Add (container);
container.Prepare ();
container.SizeChanged ();
container.FocusFirst ();
Redraw (container);
container.PositionCursor ();
Curses.refresh ();
return rs;
}
/// <summary>
/// Initializes the runtime. The boolean flag
/// indicates whether we are forcing color to be off.
/// </summary>
public static void Init(bool disable_color)
{
if (inited)
return;
inited = true;
empty_container = new Container (0, 0, Application.Cols, Application.Lines);
try {
main_window = Curses.initscr ();
} catch (Exception e){
Console.WriteLine ("Curses failed to initialize, the exception is: " + e);
throw new Exception ("Application.Init failed");
}
Curses.raw ();
Curses.noecho ();
//Curses.nonl ();
Window.Standard.keypad (true);
#if BREAK_UTF8_RENDERING
Curses.Event old = 0;
MouseEventsAvailable = Curses.console_sharp_mouse_mask (
Curses.Event.Button1Clicked | Curses.Event.Button1DoubleClicked, out old);
#endif
UsingColor = false;
if (!disable_color)
UsingColor = Curses.has_colors ();
Curses.start_color ();
Curses.use_default_colors ();
if (UsingColor){
ColorNormal = MakeColor (Curses.COLOR_WHITE, Curses.COLOR_BLUE);
ColorFocus = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_CYAN);
ColorHotNormal = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_BLUE);
ColorHotFocus = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_CYAN);
ColorMenu = Curses.A_BOLD | MakeColor (Curses.COLOR_WHITE, Curses.COLOR_CYAN);
ColorMenuHot = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_CYAN);
ColorMenuSelected = Curses.A_BOLD | MakeColor (Curses.COLOR_WHITE, Curses.COLOR_BLACK);
ColorMenuHotSelected = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_BLACK);
ColorMarked = ColorHotNormal;
ColorMarkedSelected = ColorHotFocus;
ColorDialogNormal = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_WHITE);
ColorDialogFocus = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_CYAN);
ColorDialogHotNormal = MakeColor (Curses.COLOR_BLUE, Curses.COLOR_WHITE);
ColorDialogHotFocus = MakeColor (Curses.COLOR_BLUE, Curses.COLOR_CYAN);
ColorError = Curses.A_BOLD | MakeColor (Curses.COLOR_WHITE, Curses.COLOR_RED);
ColorErrorFocus = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_WHITE);
ColorErrorHot = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_RED);
ColorErrorHotFocus = ColorErrorHot;
} else {
ColorNormal = Curses.A_NORMAL;
ColorFocus = Curses.A_REVERSE;
ColorHotNormal = Curses.A_BOLD;
ColorHotFocus = Curses.A_REVERSE | Curses.A_BOLD;
ColorMenu = Curses.A_REVERSE;
ColorMenuHot = Curses.A_NORMAL;
ColorMenuSelected = Curses.A_BOLD;
ColorMenuHotSelected = Curses.A_NORMAL;
ColorMarked = Curses.A_BOLD;
ColorMarkedSelected = Curses.A_REVERSE | Curses.A_BOLD;
ColorDialogNormal = Curses.A_REVERSE;
ColorDialogFocus = Curses.A_NORMAL;
ColorDialogHotNormal = Curses.A_BOLD;
ColorDialogHotFocus = Curses.A_NORMAL;
ColorError = Curses.A_BOLD;
}
ColorBasic = MakeColor (-1, -1);
mainloop = new MainLoop ();
mainloop.AddWatch (0, MainLoop.Condition.PollIn, x => {
Container top = toplevels.Count > 0 ? toplevels [toplevels.Count-1] : null;
if (top != null)
ProcessChar (top);
return true;
});
}
/// <summary>
/// Public constructor for widgets
/// </summary>
/// <remarks>
/// <para>
/// Constructs a widget that starts at positio (x,y) and has width w and height h.
/// These parameters are used by the methods <see cref="Clear"/> and <see cref="Redraw"/>
/// </para>
/// </remarks>
public Widget(int x, int y, int w, int h)
{
this.x = x;
this.y = y;
this.w = w;
this.h = h;
Container = Application.EmptyContainer;
}
public virtual void Dispose(bool disposing)
{
if (Container != null){
Application.End (Container);
Container = null;
}
}
internal RunState(Container container)
{
Container = container;
}
/// <summary>
/// Runs the main loop on the given container.
/// </summary>
/// <remarks>
/// This method is used to start processing events
/// for the main application, but it is also used to
/// run modal dialog boxes.
/// </remarks>
public static void Run(Container container)
{
Init (false);
Curses.timeout (-1);
if (toplevels.Count == 0)
InitApp ();
toplevels.Add (container);
container.Prepare ();
container.SizeChanged ();
container.FocusFirst ();
Redraw (container);
container.PositionCursor ();
int ch;
Curses.timeout (Timeout);
for (container.Running = true; container.Running; ){
ch = Curses.getch ();
if (Iteration != null)
Iteration (null, EventArgs.Empty);
if (ch == -1){
if (Curses.CheckWinChange ()){
EmptyContainer.Clear ();
foreach (Container c in toplevels)
c.SizeChanged ();
Refresh ();
}
continue;
}
if (ch == Curses.KeyMouse){
Curses.MouseEvent ev;
Curses.console_sharp_getmouse (out ev);
container.ProcessMouse (ev);
continue;
}
if (ch == 27){
Curses.timeout (100);
int k = Curses.getch ();
if (k != Curses.ERR && k != 27)
ch = Curses.KeyAlt | k;
Curses.timeout (Timeout);
}
if (container.ProcessHotKey (ch))
continue;
if (container.ProcessKey (ch))
continue;
if (container.ProcessColdKey (ch))
continue;
// Control-c, quit the current operation.
if (ch == 3)
break;
// Control-z, suspend execution, then repaint.
if (ch == 26){
Curses.console_sharp_sendsigtstp ();
Window.Standard.redrawwin ();
Curses.refresh ();
}
//
// Focus handling
//
if (ch == 9 || ch == Curses.KeyDown || ch == Curses.KeyRight){
if (!container.FocusNext ())
container.FocusNext ();
continue;
} else if (ch == Curses.KeyUp || ch == Curses.KeyLeft){
if (!container.FocusPrev ())
container.FocusPrev ();
continue;
}
}
toplevels.Remove (container);
if (toplevels.Count == 0)
Shutdown ();
else
Refresh ();
}
/// <summary>
/// Initializes the runtime. The boolean flag
/// indicates whether we are forcing color to be off.
/// </summary>
public static void Init(bool disable_color)
{
empty_container = new Container (0, 0, Application.Cols, Application.Lines);
try {
main_window = Curses.initscr ();
} catch (Exception e){
Console.WriteLine ("Curses failed to initialize, the exception is: " + e);
throw new Exception ("Application.Init failed");
}
if (inited)
return;
inited = true;
Curses.Event old = 0;
MouseEventsAvailable = Curses.console_sharp_mouse_mask (
Curses.Event.Button1Clicked | Curses.Event.Button1DoubleClicked, out old);
UsingColor = false;
if (!disable_color)
UsingColor = Curses.has_colors ();
Curses.start_color ();
Curses.use_default_colors ();
if (UsingColor){
ColorNormal = MakeColor (Curses.COLOR_WHITE, Curses.COLOR_BLUE);
ColorFocus = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_CYAN);
ColorHotNormal = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_BLUE);
ColorHotFocus = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_CYAN);
ColorMenu = Curses.A_BOLD | MakeColor (Curses.COLOR_WHITE, Curses.COLOR_CYAN);
ColorMenuHot = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_CYAN);
ColorMenuSelected = Curses.A_BOLD | MakeColor (Curses.COLOR_WHITE, Curses.COLOR_BLACK);
ColorMenuHotSelected = Curses.A_BOLD | MakeColor (Curses.COLOR_YELLOW, Curses.COLOR_BLACK);
ColorMarked = ColorHotNormal;
ColorMarkedSelected = ColorHotFocus;
ColorDialogNormal = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_WHITE);
ColorDialogFocus = MakeColor (Curses.COLOR_BLACK, Curses.COLOR_CYAN);
ColorDialogHotNormal = MakeColor (Curses.COLOR_BLUE, Curses.COLOR_WHITE);
ColorDialogHotFocus = MakeColor (Curses.COLOR_BLUE, Curses.COLOR_CYAN);
ColorError = Curses.A_BOLD | MakeColor (Curses.COLOR_WHITE, Curses.COLOR_RED);
} else {
ColorNormal = Curses.A_NORMAL;
ColorFocus = Curses.A_REVERSE;
ColorHotNormal = Curses.A_BOLD;
ColorHotFocus = Curses.A_REVERSE | Curses.A_BOLD;
ColorMenu = Curses.A_REVERSE;
ColorMenuHot = Curses.A_NORMAL;
ColorMenuSelected = Curses.A_BOLD;
ColorMenuHotSelected = Curses.A_NORMAL;
ColorMarked = Curses.A_BOLD;
ColorMarkedSelected = Curses.A_REVERSE | Curses.A_BOLD;
ColorDialogNormal = Curses.A_REVERSE;
ColorDialogFocus = Curses.A_NORMAL;
ColorDialogHotNormal = Curses.A_BOLD;
ColorDialogHotFocus = Curses.A_NORMAL;
ColorError = Curses.A_BOLD;
}
ColorBasic = MakeColor (-1, -1);
}
