public static DcopClient GetDcopClient(String [] args)
{
try
{
Xsharp.Application app =
new Xsharp.Application("DcopBrowser", args);
return(new DcopClient(app.Display, null));
}
catch
{
return(null);
}
}
public static DcopClient GetDcopClient(String [] args)
{
try
{
Xsharp.Application app =
new Xsharp.Application("DcopBrowser", args);
return new DcopClient(app.Display, null);
}
catch
{
return null;
}
}
// Constructor.
public DrawingToolkit()
{
// Create an Xsharp application instance.
app = new Xsharp.Application(null, null);
// Register the additional fonts that we required.
RegisterFonts();
// Get the placeholder widget for the screen.
placeholder = app.Display.DefaultScreenOfDisplay.Placeholder;
// Track changes to RESOURCE_MANAGER on the root window.
app.Display.DefaultScreenOfDisplay.RootWindow.ResourcesChanged
+= new EventHandler(ResourcesChanged);
// And then load the initial state.
LoadResources();
}
/// <summary>
/// <para>Construct a new application object, process command-line
/// options, and open the display.</para>
/// </summary>
///
/// <param name="name">
/// <para>The resource name and class for the application.</para>
/// </param>
///
/// <param name="args">
/// <para>The arguments that came from the application's "Main"
/// method.</para>
/// </param>
///
/// <exception cref="T:Xsharp.XCannotConnectException">
/// <para>A connection to the X display server could not
/// be established.</para>
/// </exception>
public Application(String name, String[] args)
{
String[] envCmdLine;
int firstArg = 0;
String fontName;
bool synchronous = false;
// Set this as the primary application object if necessary.
lock(typeof(Application))
{
if(primary == null)
{
primary = this;
}
}
// Choose defaults for the parameters.
try
{
envCmdLine = Environment.GetCommandLineArgs();
}
catch(NotSupportedException)
{
envCmdLine = null;
}
if(envCmdLine != null && envCmdLine.Length > 0)
{
programName = envCmdLine[0];
}
else
{
programName = "Xsharp-application";
}
if(name == null)
{
// Strip the path from the program name to
// get the default resource name to use.
int index = programName.LastIndexOf('/');
if(index == -1)
{
index = programName.LastIndexOf('\\');
}
if(index != -1)
{
name = programName.Substring(index + 1);
}
else
{
name = programName;
}
int len = name.Length;
if(len > 4 && name[len - 4] == '.' &&
(name[len - 3] == 'e' || name[len - 3] == 'E') &&
(name[len - 2] == 'x' || name[len - 2] == 'X') &&
(name[len - 1] == 'e' || name[len - 1] == 'E'))
{
name = name.Substring(0, len - 4);
}
}
if(args == null)
{
if(envCmdLine != null && envCmdLine.Length > 0)
{
args = envCmdLine;
firstArg = 1;
}
else
{
args = new String [0];
}
}
// Initialize the application state.
resourceName = name;
resourceClass = name;
displayName = null;
startIconic = false;
title = null;
geometry = null;
fontName = null;
// Process the standard Xt command-line options.
ArrayList newArgs = new ArrayList();
while(firstArg < args.Length)
{
switch(args[firstArg])
{
case "-display":
{
++firstArg;
if(firstArg < args.Length)
{
displayName = args[firstArg];
}
}
break;
case "-iconic":
{
startIconic = true;
}
break;
case "-name":
{
++firstArg;
if(firstArg < args.Length)
{
resourceName = args[firstArg];
}
}
break;
case "-title":
{
++firstArg;
if(firstArg < args.Length)
{
title = args[firstArg];
}
}
break;
case "-fn":
case "-font":
{
++firstArg;
if(firstArg < args.Length)
{
fontName = args[firstArg];
}
}
break;
case "-geometry":
{
++firstArg;
if(firstArg < args.Length)
{
geometry = args[firstArg];
}
}
break;
case "+synchronous":
case "-synchronous":
{
// Turn on synchronous processing to the X server.
synchronous = true;
}
break;
// Ignore other Xt toolkit options that aren't
// relevant to us. We may add some of these later.
case "-reverse":
case "-rv":
case "+rv":
break;
case "-bg":
case "-background":
case "-bw":
case "-borderwidth":
case "-bd":
case "-bordercolor":
case "-fg":
case "-foreground":
case "-selectionTimeout":
case "-xnllanguage":
case "-xrm":
case "-xtsessionID":
++firstArg;
break;
default:
{
// Unknown option - copy it to "newArgs".
newArgs.Add(args[firstArg]);
}
break;
}
++firstArg;
}
cmdLineArgs = (String[])(newArgs.ToArray(typeof(String)));
// Connect to the display.
if(displayName == null)
{
// Xlib will figure it by itself, but classes using displayName can get broken is it's null
displayName = Environment.GetEnvironmentVariable("DISPLAY");
}
display = Xsharp.Display.Open(displayName, this, synchronous);
// Create the default font.
defaultFont = Font.CreateFromXLFD(fontName);
defaultFont.GetFontSet(display);
}
/// <summary>
/// <para>Close the application if it is currently active.</para>
/// </summary>
public void Close()
{
lock(typeof(Application))
{
if(display != null)
{
display.Close();
display = null;
}
if(primary == this)
{
primary = null;
}
}
}
// Constructor.
private Display(IntPtr dpy, String displayName, Application app)
{
// Copy parameters in from the create process.
this.dpy = dpy;
this.displayName = displayName;
this.app = app;
// Create objects for each of the display screens.
int nscreens = (int)(Xlib.XScreenCount(dpy));
screens = new Screen [nscreens];
for(int scr = 0; scr < nscreens; ++scr)
{
screens[scr] = new Screen
(this, scr, Xlib.XScreenOfDisplay(dpy, scr));
}
// Get the index of the default screen.
defaultScreen = (int)(Xlib.XDefaultScreen(dpy));
// Create an array to hold the standard cursors.
cursors = new XCursor [(int)(CursorType.XC_num_glyphs)];
// Reset the time of the last known event.
knownEventTime = XTime.CurrentTime;
// Construct the window handle map if not already present.
if(handleMap == null)
{
handleMap = new HandleMap();
}
// Initialize the standard window manager atoms that we use.
wmProtocols = Xlib.XInternAtom
(dpy, "WM_PROTOCOLS", XBool.False);
wmDeleteWindow = Xlib.XInternAtom
(dpy, "WM_DELETE_WINDOW", XBool.False);
wmTakeFocus = Xlib.XInternAtom
(dpy, "WM_TAKE_FOCUS", XBool.False);
wmMwmHints = Xlib.XInternAtom
(dpy, "_MOTIF_WM_HINTS", XBool.False);
wmContextHelp = Xlib.XInternAtom
(dpy, "_NET_WM_CONTEXT_HELP", XBool.False);
wmState = Xlib.XInternAtom
(dpy, "WM_STATE", XBool.False);
wmNetState = Xlib.XInternAtom
(dpy, "_NET_WM_STATE", XBool.False);
wmPing = Xlib.XInternAtom
(dpy, "_NET_WM_PING", XBool.False);
internalBeginInvoke = Xlib.XInternAtom
(dpy, "INTERNAL_BEGIN_INVOKE", XBool.False);
// Which buttons should we use for "Select" and "Menu"?
byte[] buttons = new byte [5];
if(Xlib.XGetPointerMapping(dpy, buttons, 5) == 3)
{
menuButton = ButtonName.Button3;
}
else
{
menuButton = ButtonName.Button2;
}
selectButton = ButtonName.Button1;
// Construct the font map.
fonts = new Hashtable();
// Load the builtin bitmaps.
bitmaps = new BuiltinBitmaps(this);
}
// Open a connection to a specific X display server.
internal static Display Open(String displayName, Application app, bool sync)
{
lock(typeof(Display))
{
return OpenInternal(displayName, app, sync);
}
}
// Internal version of "Open()" that is called once the
// type lock has been acquired.
private static Display OpenInternal
(String displayName, Application app, bool sync)
{
try
{
if(Xlib.XSharpSupportPresent() == 0)
{
Console.WriteLine();
Console.WriteLine
("The XsharpSupport library appears to have " +
"been built without X support.");
Console.WriteLine
("Please rebuild pnetlib to rectify this problem.");
Console.WriteLine();
throw new XCannotConnectException
(S._("X_LibraryNotPresent"));
}
try
{
// Initialize Xlib thread support.
if(!threadsInited)
{
threadsInited = true;
Xlib.XInitThreads();
}
}
catch(MissingMethodException)
{
// The "X11" library may not have support for
// threads, which is OK(-ish) because we will
// be locking every access to the display anyway.
}
catch(EntryPointNotFoundException)
{
// Same as above.
}
IntPtr dpy = Xlib.XOpenDisplay(displayName);
if(dpy != IntPtr.Zero)
{
// We have opened the display successfully.
if(sync)
{
Xlib.XSynchronize(dpy, XBool.True);
}
return new Display(dpy, displayName, app);
}
else
{
// We were unable to connect to the display.
if(displayName != null)
{
throw new XCannotConnectException
(String.Format(S._("X_CannotOpenTo"),
displayName));
}
else
{
throw new XCannotConnectException
(S._("X_CannotOpen"));
}
}
}
catch(MissingMethodException)
{
// The engine was unable to locate "XOpenDisplay",
// so we probably don't have an X library, or it
// is not on the LD_LIBRARY_PATH.
throw new XCannotConnectException
(S._("X_LibraryNotPresent"));
}
catch(DllNotFoundException de)
{
throw new XCannotConnectException
(S._("X_LibraryNotPresent"), de);
}
catch(EntryPointNotFoundException ee)
{
throw new XCannotConnectException
(S._("X_LibraryNotPresent"), ee);
}
}
