84 lines
2.4 KiB
Vala
84 lines
2.4 KiB
Vala
namespace LAview.Desktop {
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using Gtk;
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/**
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* Subprocess window.
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*/
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public class SubprocessDialog {
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Dialog dialog;
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ScrolledWindow scrolled_window;
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TextView textview_stderrout;
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Subprocess sp;
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unowned PostProcessDelegate ppdelegate;
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public delegate void PostProcessDelegate ();
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public SubprocessDialog (Gtk.Application application, Window parent) throws Error {
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var builder = new Builder ();
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builder.add_from_file (AppDirs.ui_dir + "/laview-desktop.glade");
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builder.connect_signals (this);
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dialog = builder.get_object ("subprocess_dialog") as Dialog;
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dialog.transient_for = parent;
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dialog.modal = true;
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//dialog.application = application;
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dialog.delete_event.connect ((source) => {return true;});
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textview_stderrout = builder.get_object ("textview_stderrout") as TextView;
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scrolled_window = builder.get_object ("subprocess_scroll") as ScrolledWindow;
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}
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void scroll_down () {
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var vadjustment = scrolled_window.get_vadjustment ();
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vadjustment.value = vadjustment.upper;
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scrolled_window.set_vadjustment (vadjustment);
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}
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async void subprocess_async () {
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try {
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var ds_out = new DataInputStream(sp.get_stdout_pipe());
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try {
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for (string s = yield ds_out.read_line_async(); s != null; s = yield ds_out.read_line_async()) {
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textview_stderrout.buffer.text += s + "\n";
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scroll_down ();
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}
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} catch (IOError err) {
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assert_not_reached();
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}
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if ((sp.wait_check()) == false) throw new IOError.FAILED(_("Error running subprocess."));
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ppdelegate ();
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dialog.hide ();
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} catch (Error err) {
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textview_stderrout.buffer.text += _("Error: ")+err.message+"\n";
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scroll_down ();
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if (sp != null) {
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var ds_err = new DataInputStream(sp.get_stderr_pipe());
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try {
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for (string s = yield ds_err.read_line_async(); s != null; s = yield ds_err.read_line_async()) {
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textview_stderrout.buffer.text += s + "\n";
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scroll_down ();
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}
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} catch (IOError err) {
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assert_not_reached();
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}
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}
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}
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}
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public void show_all (Subprocess sp, string message, PostProcessDelegate ppdelegate) {
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this.sp = sp;
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textview_stderrout.buffer.text = message;
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this.ppdelegate = ppdelegate;
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dialog.show_all ();
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subprocess_async.begin ();
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}
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[CCode (instance_pos = -1)]
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public void button_stop_clicked (Button button) {
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sp.force_exit ();
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dialog.hide ();
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}
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}
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}
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