Class: Ruber::CommandPlugin::ToolWidget

Inherits:
Qt::Widget
  • Object
show all
Defined in:
plugins/command/command.rb

Overview

The tool widget where the user can enter the ruby code to execute.

Instance Method Summary (collapse)

Constructor Details

- (ToolWidget) initialize(parent = nil)

A new instance of ToolWidget

Parameters:

  • parent (Qt::Widget, nil) (defaults to: nil) —

    the parent widget



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# File 'plugins/command/command.rb', line 52

def initialize parent = nil
  super
  @ui = Ui::CommandToolWidget.new
  @ui.setup_ui self
  self.focus_proxy = @ui.editor
  connect @ui.execute, SIGNAL(:clicked), self, SLOT(:execute_command)
  connect @ui.show_output, SIGNAL('toggled(bool)'), self, SLOT('output_visible=(bool)')
  @ui.clear.connect(SIGNAL(:clicked)){@ui.output.clear}
  self.output_visible = @ui.show_output.checked?
end

Instance Method Details

- (Boolean) execute_command

Executes the text in the tool widget in the ruby interpreter where Ruber is running in. If an exception is raised by the code, it won’t be propagated to Ruber. Instead, it will be displayed on standard error and in a message box.

was raised.

Returns:

  • (Boolean) —

    true if the code was executed successfully and false if an exception



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# File 'plugins/command/command.rb', line 71

def execute_command
  code = @ui.editor.to_plain_text
  begin 
    old_stdout = $stdout
    old_stderr = $stderr
    $stdout = Output.new @ui.output, Ruber[:config][:output_colors, :output], $stdout.fileno
    $stderr = Output.new @ui.output, Ruber[:config][:output_colors, :error], $stderr.fileno
    eval code, TOPLEVEL_BINDING, 'COMMAND'
    true
  rescue Exception => ex
    dlg = ExceptionDialog.new ex, Ruber[:main_window], true, 
        'The command you issued raised the following exception:'
    dlg.set_button_text KDE::Dialog::Ok, i18n('Ok')
    dlg.exec
    false
  ensure
    $stdout = old_stdout
    $stderr = old_stderr
  end
end

Slot Signature:

execute_command()

- (nil) load_settings

Called whenever the global settings change and when the plugin is first loaded

Sets the font of the editor to the font chosen by the user as the output font

Returns:

  • (nil) 


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# File 'plugins/command/command.rb', line 98

def load_settings
  font = Ruber[:config][:general, :output_font]
  metrics = Qt::FontMetrics.new font
  tab_width = metrics.max_width * 2
  @ui.editor.font = font
  @ui.editor.tab_stop_width = tab_width
  @ui.output.font = font
  @ui.output.tab_stop_width = tab_width
  nil
end

Slot Signature:

load_settings()

- (nil) output_visible=(visible) (private)

Shows or hides the output widget and related widgets

It also changes the text of the Show Output button so that it becomes ‘Hide Output’ if the button is visible.

Parameters:

  • visible (Boolean) —

    whether the output widget should be shown or hidden

Returns:

  • (nil) 


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# File 'plugins/command/command.rb', line 120

def output_visible= visible
  @ui.output.visible = visible
  @ui.clear.visible = visible
  @ui.output_label.visible = visible
  @ui.show_output.text = i18n(visible ? '&Hide Output' : '&Show Output')
  nil
end

Slot Signature:

output_visible=(bool)