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tdebindings/qtruby/bin/rbqtsh

628 lines
18 KiB

#!/usr/bin/env ruby1.8
# rbqtsh : a graphical shell for qtruby.
#
# author: Germain Garand <germain@ebooksfrance.org>
# ruby port: Alexander Kellett <lypanov@kde.org>
# license: GNU Public License v2
#
require 'stringio'
case File.basename $0
when "rbqtsh"
require 'Qt'
when "rbkdesh"
require 'Korundum'
end
include Qt
$image0_data =
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class QtShellControl < TQt::MainWindow
attr_accessor :menubar, :fileMenu, :helpMenu, :toolBar, :fileName, :fileOpenAction
attr_accessor :fileSaveAction, :fileSaveAsAction, :filePrintAction, :fileExitAction
attr_accessor :helpExampleAction, :comboBox, :sessionLog, :executedLines, :printer
slots 'fileOpen()', 'fileOpen()', 'fileSave()', 'fileSaveAs()'
slots 'filePrint()', 'fileExit()', 'runSelection()', 'helpExample()'
signals 'fileNeedsEval(TQString)', 'selection(TQString)'
def initialize(*k)
super(*k)
image0 = TQt::Pixmap.new($image0_data)
image1 = TQt::Pixmap.new($image1_data)
image2 = TQt::Pixmap.new($image2_data)
image3 = TQt::Pixmap.new($image3_data)
box = VBox.new(self)
@sessionLog = TextEdit.new(box, "sessionLog")
@sessionLog.setTextFormat(TQt::RichText)
@sessionLog.setReadOnly(true)
@comboBox = ComboBox.new(box, "comboBox")
@comboBox.setEditable(true)
@comboBox.setAutoCompletion(true)
self.setCentralWidget(box)
@comboBox.setFocus
self.resize(500,300)
self.setCaption("QtRuby Shell")
def trUtf8(k)
return k
end
@fileOpenAction = TQt::Action.new(self, "fileOpenAction")
@fileOpenAction.setIconSet(TQt::IconSet.new(image1))
@fileOpenAction.setText(trUtf8("Open"))
@fileOpenAction.setMenuText(trUtf8("&Open..."))
@fileOpenAction.setAccel(KeySequence.new(trUtf8("Ctrl+O")))
@fileSaveAction = TQt::Action.new(self, "fileSaveAction")
@fileSaveAction.setIconSet(TQt::IconSet.new(image2))
@fileSaveAction.setText(trUtf8("Save"))
@fileSaveAction.setMenuText(trUtf8("&Save"))
@fileSaveAction.setAccel(KeySequence.new(trUtf8("Ctrl+S")))
@fileSaveAsAction = TQt::Action.new(self, "fileSaveAsAction")
@fileSaveAsAction.setText(trUtf8("Save As"))
@fileSaveAsAction.setMenuText(trUtf8("Save &As..."))
@fileSaveAsAction.setAccel(KeySequence.new(trUtf8("Ctrl+A")))
@filePrintAction = TQt::Action.new(self, "filePrintAction")
@filePrintAction.setIconSet(TQt::IconSet.new(image3))
@filePrintAction.setText(trUtf8("Print"))
@filePrintAction.setMenuText(trUtf8("&Print..."))
@filePrintAction.setAccel(KeySequence.new(trUtf8("Ctrl+P")))
@fileExitAction = TQt::Action.new(self, "fileExitAction")
@fileExitAction.setText(trUtf8("Exit"))
@fileExitAction.setMenuText(trUtf8("E&xit"))
@fileExitAction.setAccel(KeySequence.new(trUtf8("Ctrl+E")))
@runAction = TQt::Action.new(self, "runAction");
@runAction.setText(trUtf8("Run Selection"));
@runAction.setMenuText(trUtf8("&Run Selection"));
@runAction.setAccel(KeySequence.new(trUtf8("Ctrl+R")));
@helpExampleAction = TQt::Action.new(self, "helpExampleAction");
@helpExampleAction.setText(trUtf8("Example"));
@helpExampleAction.setMenuText(trUtf8("Examp&le"));
@helpExampleAction.setAccel(KeySequence.new(trUtf8("Ctrl+L")));
@toolBar = TQt::ToolBar.new("", self, DockTop)
@toolBar.setLabel(trUtf8("Tools"))
@fileOpenAction.addTo(toolBar)
@fileSaveAction.addTo(toolBar)
@filePrintAction.addTo(toolBar)
@menubar= TQt::MenuBar.new(self, "menubar")
@fileMenu= TQt::PopupMenu.new(self)
@fileOpenAction.addTo(fileMenu)
@fileSaveAction.addTo(fileMenu)
@fileSaveAsAction.addTo(fileMenu)
@fileMenu.insertSeparator
@filePrintAction.addTo(fileMenu)
@fileMenu.insertSeparator
@fileExitAction.addTo(fileMenu)
@menubar.insertItem(trUtf8("&File"), fileMenu)
@menubar.insertSeparator
@runMenu= TQt::PopupMenu.new(self)
@runAction.addTo(@runMenu)
@menubar.insertItem(trUtf8("Run"), @runMenu)
@menubar.insertSeparator
@helpMenu= TQt::PopupMenu.new(self)
@helpExampleAction.addTo(helpMenu)
@menubar.insertItem(trUtf8("&Help"), helpMenu)
connect(@fileOpenAction, SIGNAL('activated()'), self, SLOT('fileOpen()'))
connect(@fileSaveAction, SIGNAL('activated()'), self, SLOT('fileSave()'))
connect(@fileSaveAsAction, SIGNAL('activated()'), self, SLOT('fileSaveAs()'))
connect(@filePrintAction, SIGNAL('activated()'), self, SLOT('filePrint()'))
connect(@fileExitAction, SIGNAL('activated()'), self, SLOT('fileExit()'))
connect(@runAction, SIGNAL('activated()'), self, SLOT('runSelection()'))
connect(@helpExampleAction, SIGNAL('activated()'), self, SLOT('helpExample()'))
@executedLines = []
end
def fileOpen
fname = TQt::FileDialog::getOpenFileName(
".",
"Rbqtsh Session (*.rbqts)",
self,
"open session",
"Choose a file to open")
return if fname.nil?
emit fileNeedsEval(fname)
end
def getFileName
@fileName = TQt::FileDialog::getSaveFileName(
".",
"Rbqtsh Session (*.rbqts)",
self,
"save session",
"Choose a filename" )
unless @fileName =~ /\.rbqts$/
@fileName << ".rbqts"
end
@fileName
end
def save(fname)
file = File.new(fname, "w")
if file.nil
# TODO fix ": unknown" to give a reason
TQt::MessageBox::critical(
self,
"Error" ,
"Couldn't open #{fname} for writing: unknown",
TQt::MessageBox::Ok,
TQt::MessageBox::NoButton )
return
end
@executedLines.each {
|line|
next if line =~ /^\s*$/
line.chomp!
line << ";" unless line =~ /;\s*$/
file.puts(line)
}
file.close
end
def fileSave
return if emptySession
fname = @fileName || getFileName
return if fname.nil?
save fname
end
def fileSaveAs(cond = 0)
return if emptySession
fname = getFileName
return if fname.nil?
ret = nil
if File.exists(fname)
cond += 1
ret = TQt::MessageBox::warning(
self,
"Warning" ,
"File exists, overwrite ?",
TQt::MessageBox::Yes,
TQt::MessageBox::No )
else
cond = 0
end
fileSaveAs(cond) if (cond == 0) and ret == TQt::MessageBox::No
save(fname)
end
def filePrint()
margin = 10
pageNo = 1
emptySession() and return
printer = TQt::Printer.new()
if printer.setup(self)
statusBar().message( "Printing..." )
p = TQt::Painter.new()
if ! p.begin( printer )
statusBar().message( "An error occured..." )
return
end
p.setFont( sessionLog.font() )
yPos = 0
fm = p.fontMetrics
metrics = TQt::PaintDeviceMetrics.new( printer )
for i in 0..@executedLines.length-1
if margin + yPos > metrics.height() - margin
msg ="Printing (page "+ ++pageNo + ")..."
statusBar().message( msg )
printer.newPage()
yPos = 0
end
p.drawText( margin, margin + yPos,
metrics.width(), fm.lineSpacing(),
ExpandTabs | DontClip,
"#{@executedLines[ i ]}" )
yPos = yPos + fm.lineSpacing()
end
p.end()
statusBar().message( "Printing completed", 3000 )
else
statusBar().message( "Printing aborted", 3000 )
end
end
def fileExit
emit $qApp.quit if confirmExit
end
def closeEvent(e)
if confirmExit
e.accept
else
e.ignore
end
end
def confirmExit
ret = 0
return true if @executedLines.empty?
ret = TQt::MessageBox::warning(
self,
"Warning" ,
"A session is opened, quit anyway ?",
TQt::MessageBox::Yes,
TQt::MessageBox::No)
return ret != TQt::MessageBox::No
end
def emptySession
empty = @executedLines.empty?
statusBar.message("Session is empty...", 3000) if empty
empty
end
def runSelection
emit selection(@sessionLog.selectedText())
end
def helpExample
emit fileNeedsEval("__DATA__")
end
end
class QtShell < TQt::MainWindow
slots 'evalInput()', 'evalFile(TQString)', 'evalSelection(TQString)'
attr_accessor :shellWindow
@@binding = binding
def bind
@@binding
end
def initialize(*k)
super(*k)
@shellWindow = QtShellControl.new(nil, "shellWindow")
self.resize(350,350)
self.move(Point.new(10,10))
@shellWindow.move(Point.new(300,200))
self.show
@shellWindow.show
connect(@shellWindow.comboBox.lineEdit, SIGNAL('returnPressed()'), self, SLOT('evalInput()'))
@prompt = '<b><font color="blue">$&gt;</font></b>'
self.setCaption("MainWindow - this")
@shellWindow.sessionLog.setText("Ready.<br>")
connect(@shellWindow, SIGNAL('fileNeedsEval(TQString)'), self, SLOT('evalFile(TQString)'))
connect(@shellWindow, SIGNAL('selection(TQString)'), self, SLOT('evalSelection(TQString)'))
end
def logAppend(str)
tmp = @shellWindow.sessionLog.text << str
@shellWindow.sessionLog.setText tmp
end
def evalInput
evalOneLine @shellWindow.comboBox.currentText
end
=begin
sub TIEHANDLE { my ( $classnm, $widg, $color) = @_;
my $h = { widg => $widg, color => $color};
bless $h, $classnm;
}
sub PRINT {
my $me = shift;
my $color = $me->{color};
my $printed = join $/, @_;
$printed =~ s/</&lt;/gs;
$printed =~ s/>/&gt;/gs;
$printed =~ s/\n/<br>/gs;
$me->{widg}->setText( $me->{widg}->text . "<font color=\"$color\">$printed</font>" );
}
#tie *STDOUT, 'TQt::TextHandle', $shw->sessionLog, 'black';
#tie *STDERR, 'TQt::TextHandle', $shw->sessionLog, 'red';
=end
def evalOneLine(line)
prot = ln = line
prot.gsub('<', '&lt;') # /gs ???
prot.gsub('>', '&gt;') # /gs ???
logAppend( "#{@prompt}#{prot}" )
ostdout, ostderr = $stdout, $stderr
strio = StringIO.new
$stdout, $stderr = strio, strio
begin
if line =~ /^\$(.*)$/
eval $1, bind
else
eval line
end
rescue StandardError, ScriptError => e
prot = e.to_str
prot.gsub(/</, '&lt;') # /gs ???
prot.gsub(/>/, '&gt;') # /gs ???
c = @shellWindow.sessionLog.color
prot.gsub(/\n/, '<br>') # /gs ???
logAppend '<font color="red">' << prot << '</font><br>'
shellWindow.sessionLog.setColor c
end
logAppend '<font color="blue">' << strio.string << '</font><br>'
@shellWindow.executedLines << line
@shellWindow.comboBox.clearEdit
@shellWindow.comboBox.setFocus
$stdout, $stderr = ostdout, ostderr
@shellWindow.sessionLog.scrollToBottom
end
def evalFile(fname)
if fname == "__DATA__"
file = StringIO.new
file.string = $example
else
file = File.open(fname, "r")
if file.nil?
# TODO use $! -> error message!
TQt::MessageBox::warning(
self,
"Error" ,
"Couldn't open @{$fn}: $!",
TQt::MessageBox::Ok,
TQt::MessageBox::NoButton)
return
end
indata = file
end
file.each_line {
|line|
evalOneLine(line)
}
file.close
end
def evalSelection(selection)
evalOneLine(selection.sub(/.*span>/, "")) unless selection.nil?
end
end
app = TQt::Application.new(ARGV)
w = QtShell.new(nil, "mainWindow")
app.setMainWidget(w.shellWindow)
app.exec
BEGIN {
$example = <<EXAMPLE
$ attr_accessor :datetime, :button, :textedit, :sample, :vbox
statusBar.message("Hello World !")
@vbox = VBox.new(self)
@datetime = DateTimeEdit.new(vbox)
@textedit = TextEdit.new(vbox)
@button = PushButton.new("Hello World!", vbox)
self.setCentralWidget(vbox)
self.resize(220,240)
@vbox.show
@sample = TQt::PopupMenu.new(self)
$ slots 'there()'
@sample.insertItem("&There", self, SLOT('there()'))
self.menuBar.insertItem("&Here", sample)
$ def there; statusBar.message("There...", 2000); end
EXAMPLE
}