Class: Sirens::TextView

Inherits:
WidgetView show all
Defined in:
lib/views/text_view.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from WidgetView

#add_view, #apply_prop, #apply_props, #initialize, #main_handle

Methods inherited from AbstractView

accepted_styles, #accepted_styles, #add_view, #attribute_at, #height, #height=, #initialize, #main_handle, #populate_popup_menu_block=, #remove_view, #set_attribute, #show, #show_popup_menu, #width, #width=

Constructor Details

This class inherits a constructor from Sirens::WidgetView

Class Method Details

.view_accepted_styles ⇒ Object

Answer the styles accepted by this view.



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# File 'lib/views/text_view.rb', line 9

def view_accepted_styles()
    super() + [:wrap_mode].freeze
end

Instance Method Details

#background_color=(value) ⇒ Object 



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# File 'lib/views/text_view.rb', line 47

def background_color=(value)
    state_colors_from(value).each_pair do |state, value|
        next if value.nil?

        text_view.override_background_color( state, Gdk::RGBA.parse(value) )
    end
end

#foreground_color=(value, state: :normal) ⇒ Object 



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# File 'lib/views/text_view.rb', line 55

def foreground_color=(value, state: :normal)
    state_colors_from(value).each_pair do |state, value|
        next if value.nil?

        text_view.override_color( state, Gdk::RGBA.parse(value) )
    end
end

#initialize_handles ⇒ Object

Initializing



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# File 'lib/views/text_view.rb', line 16

def initialize_handles()
    @text_view = Gtk::TextView.new

    @main_handle = Gtk::ScrolledWindow.new
    @main_handle.set_policy(:automatic, :always)

    @main_handle.add(@text_view)
end

#selected_text ⇒ Object

Returns the selected text of nil if no text is selected.



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# File 'lib/views/text_view.rb', line 104

def selected_text()
    selection_bounds = text_view.buffer.selection_bounds

    return if selection_bounds.nil?

    text_view.buffer.get_text(selection_bounds[0], selection_bounds[1], false)
end

#set_text(text) ⇒ Object 



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# File 'lib/views/text_view.rb', line 93

def set_text(text)
    text = '' if text.nil?

    text_view.buffer.text = text
end

#state_colors_from(value) ⇒ Object 



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# File 'lib/views/text_view.rb', line 63

def state_colors_from(value)
    colors = Hash[
        normal: nil,
        active: nil,
        prelight: nil,
        selected: nil,
        insensitive: nil,
    ]

    if value.kind_of?(Hash)
        value.each_pair do |state, value|
            colors[state] = value
        end
    else
        colors[:normal] = value
    end

    colors
end

#subscribe_to_ui_events ⇒ Object

Hooking GUI signals



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# File 'lib/views/text_view.rb', line 27

def subscribe_to_ui_events()
    text_view.signal_connect('populate-popup') do |text_view, menu|
        menu_view = MenuView.new(menu_handle: menu)

        @populate_popup_menu_block.call(menu: menu_view)

        menu.show_all
    end
end

#text ⇒ Object 



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# File 'lib/views/text_view.rb', line 89

def text()
    text_view.buffer.text
end

#text_view ⇒ Object

Accessing



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# File 'lib/views/text_view.rb', line 85

def text_view()
    @text_view
end

#wrap_mode ⇒ Object 



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# File 'lib/views/text_view.rb', line 43

def wrap_mode()
    text_view.wrap_mode
end

#wrap_mode=(value) ⇒ Object

Styles



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# File 'lib/views/text_view.rb', line 39

def wrap_mode=(value)
    text_view.wrap_mode = value
end