Class: Ruber::StatusBar

Inherits:
KDE::StatusBar
  • Object
show all
Defined in:
lib/ruber/main_window/status_bar.rb

Overview

The Ruber status bar

Instance Method Summary (collapse)

Constructor Details

- (StatusBar) initialize(parent)

Creates a new StatusBar. parent is the status bar’s parent widget



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# File 'lib/ruber/main_window/status_bar.rb', line 35

def initialize parent
  super parent
  @view = nil
  @cursor_position_label = Qt::Label.new(self){self.margin = 3}
  @status_label = Qt::Label.new self
  @mode_label = Qt::Label.new(self){self.margin = 3}
  @selection_mode_label = Qt::Label.new(self){self.margin = 3}
#       @cursor_position_label.margin = 3
#       @status_label.margin = 3
#       @mode_label.margin = 3
#       @selection_mode_label.margin = 3
#       @status_label.margin = 3
  add_widget @cursor_position_label
  add_widget @status_label
  add_widget @mode_label
  add_widget @selection_mode_label
  update
end

Instance Method Details

- (Object) clear_widgets

Empties all the widgets in the status bar (it doesn’t hide messages, though)



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# File 'lib/ruber/main_window/status_bar.rb', line 83

def clear_widgets
  @cursor_position_label.text = ''
  @status_label.pixmap = Qt::Pixmap.new
  @mode_label.text = ''
  @selection_mode_label.text= ''
end

- (Object) display_information(msg) (private)

Displays the information emitted by the document associated with the view



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# File 'lib/ruber/main_window/status_bar.rb', line 112

def display_information msg
  show_message msg, 4000
end

Slot Signature:

display_information(const QString &)

- (Object) update (private)

Update the various widget so they respect the view’s status



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# File 'lib/ruber/main_window/status_bar.rb', line 95

def update
  if @view
    pos = @view.cursor_position
    update_cursor_position pos
    update_view_mode @view.view_mode
    update_selection_mode @view.block_selection?
  else
    update_cursor_position nil
    update_view_mode nil
    update_selection_mode nil
  end
  update_state
end

Slot Signature:

update()

- (Object) update_cursor_position(pos) (private)

Updates the cursor position



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# File 'lib/ruber/main_window/status_bar.rb', line 119

def update_cursor_position pos
  if pos
    @cursor_position_label.text = "Line: #{pos.line+1} Col: #{pos.column+1}"
  else @cursor_position_label.text = ''
  end
end

Slot Signature:

update_cursor_position(KTextEditor::Cursor)

- (Object) update_selection_mode(mode) (private)

Updates the selection mode



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# File 'lib/ruber/main_window/status_bar.rb', line 136

def update_selection_mode mode
  @selection_mode_label.text = if mode.nil? then ''
  elsif mode then 'BLOCK'
  else 'LINE'
  end
end

Slot Signature:

update_selection_mode(bool)

- (Object) update_state (private)

Updates the status icon



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# File 'lib/ruber/main_window/status_bar.rb', line 146

def update_state
  pix = if @view and ((d = @view.document).modified? or d.modified_on_disk?)
    d.icon.pixmap(16)
  else Qt::Pixmap.new(16, 16){|px| px.fill Qt::Color.new(Qt.transparent)}
  end
  @status_label.pixmap = pix
end

Slot Signature:

update_state()

- (Object) update_view_mode(mode) (private)

Updates the view mode



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# File 'lib/ruber/main_window/status_bar.rb', line 129

def update_view_mode mode
  @mode_label.text = mode ? mode : ''
end

Slot Signature:

update_view_mode(const QString &)

- (Object) view=(v)

Associates an editor view with the status bar. This means that the status bar will display information about that view.

v can be the view to associate with the status bar or nil. If it’s nil, the status bar won’t show anything



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# File 'lib/ruber/main_window/status_bar.rb', line 61

def view= v
  return if @view == v
  if @view 
    disconnect @view, nil, self, nil 
    disconnect @view.document, nil, self, nil
    clear_widgets
  end
  @view = v
  if v
    connect @view, SIGNAL('information_message(QString, QWidget*)'), self, SLOT('display_information(const QString &)')
    connect @view, SIGNAL('cursor_position_changed(KTextEditor::Cursor, QWidget*)'), self, SLOT('update_cursor_position(KTextEditor::Cursor)')
    connect @view, SIGNAL('view_mode_changed(QString, QWidget*)'), self, SLOT('update_view_mode(const QString &)')
    connect @view, SIGNAL('selection_mode_changed(bool, QWidget*)'), self, SLOT('update_selection_mode(bool)')
    connect @view.document, SIGNAL('modified_changed(bool, QObject*)'), self, SLOT('update_state()')
    connect @view.document, SIGNAL('modified_on_disk(QObject*, bool, KTextEditor::ModificationInterface::ModifiedOnDiskReason)'), self, SLOT('update_state()')
    update
  end
end