Module: QtFlags

Included in:
ObjectTableModel, Qt::CheckBox
Defined in:
lib/qtext/flags.rb

Overview

The Qt bindings look up constants for each call. This module

caches the constant values. Most of these are called for each
cell in a table, so caching them gives us a good performance
increase.

Instance Method Summary collapse

Instance Method Details

#const_as_string(constant) ⇒ Object

ewww



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# File 'lib/qtext/flags.rb', line 83

def const_as_string( constant )
  case constant
    when qt_text_alignment_role; 'Qt::TextAlignmentRole'
    when qt_checkstate_role; 'Qt::CheckStateRole'
    when qt_edit_role; 'Qt:EditRole'
    when qt_display_role; 'Qt::DisplayRole'
    when Qt::ToolTipRole; 'Qt::ToolTipRole'
    when Qt::StatusTipRole; 'Qt::StatusTipRole'
    when Qt::DecorationRole; 'Qt::DecorationRole'
    when Qt::BackgroundRole; 'Qt::BackgroundRole'
    when Qt::FontRole; 'Qt::FontRole'
    when Qt::ForegroundRole; 'Qt::ForegroundRole'
    when Qt::TextColorRole; 'Qt::TextColorRole'
    
    else "#{constant} unknown"
  end
end

#item_boolean_flags ⇒ Object 



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# File 'lib/qtext/flags.rb', line 10

def item_boolean_flags
  @item_boolean_flags ||= Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsUserCheckable
end

#qt_aligncenter ⇒ Object 



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# File 'lib/qtext/flags.rb', line 58

def qt_aligncenter
  @qt_aligncenter ||= Qt::AlignCenter
end

#qt_alignleft ⇒ Object 



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# File 'lib/qtext/flags.rb', line 50

def qt_alignleft
  @qt_alignleft ||= Qt::AlignLeft
end

#qt_alignright ⇒ Object 



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# File 'lib/qtext/flags.rb', line 54

def qt_alignright
  @qt_alignright ||= Qt::AlignRight
end

#qt_background_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 66

def qt_background_role
  @qt_background_role ||= Qt::BackgroundRole
end

#qt_checked ⇒ Object 



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# File 'lib/qtext/flags.rb', line 42

def qt_checked
  @qt_checked ||= Qt::Checked
end

#qt_checkstate_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 30

def qt_checkstate_role
  @qt_checkstate_role ||= Qt::CheckStateRole
end

#qt_decoration_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 62

def qt_decoration_role
  @qt_decoration_role ||= Qt::DecorationRole
end

#qt_display_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 18

def qt_display_role
  @qt_display_role ||= Qt::DisplayRole
end

#qt_edit_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 22

def qt_edit_role
  @qt_edit_role ||= Qt::EditRole
end

#qt_font_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 70

def qt_font_role
  @qt_font_role ||= Qt::FontRole
end

#qt_foreground_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 74

def qt_foreground_role
  @qt_foreground_role ||= Qt::ForegroundRole
end

#qt_item_is_editable ⇒ Object 



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# File 'lib/qtext/flags.rb', line 14

def qt_item_is_editable
  @qt_item_is_editable ||= Qt::ItemIsEditable
end

#qt_paste_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 26

def qt_paste_role
  @qt_paste_role ||= Qt::PasteRole
end

#qt_size_hint_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 38

def qt_size_hint_role
  @qt_size_hint_role ||= Qt::SizeHintRole
end

#qt_text_alignment_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 34

def qt_text_alignment_role
  @qt_text_alignment_role ||= Qt::TextAlignmentRole
end

#qt_tooltip_role ⇒ Object 



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# File 'lib/qtext/flags.rb', line 78

def qt_tooltip_role
  @qt_tooltip_role ||= Qt::ToolTipRole
end

#qt_unchecked ⇒ Object 



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# File 'lib/qtext/flags.rb', line 46

def qt_unchecked
  @qt_unchecked ||= Qt::Unchecked
end