Class: Wads::Dialog

Inherits:
Widget show all
Defined in:
lib/wads/widgets.rb

Instance Attribute Summary collapse

Attributes inherited from Widget

#base_z, #children, #gui_theme, #height, #is_selected, #layout, #overlay_widget, #override_color, #text_input_fields, #visible, #width, #x, #y

Instance Method Summary collapse

Methods inherited from Widget

#add, #add_axis_lines, #add_button, #add_child, #add_delete_button, #add_document, #add_graph_display, #add_image, #add_multi_select_table, #add_overlay, #add_panel, #add_plot, #add_single_select_table, #add_table, #add_text, #border_color, #bottom_edge, #button_down, #button_up, #center_children, #center_x, #center_y, #clear_children, #contains_click, #debug, #disable_background, #disable_border, #draw, #draw_background, #draw_border, #enable_background, #enable_border, #error, #get_layout, #get_theme, #graphics_color, #handle_mouse_up, #handle_right_mouse, #handle_update, #info, #intercept_widget_event, #left_edge, #move_recursive_absolute, #move_recursive_delta, #overlaps_with, #relative_x, #relative_y, #relative_z_order, #remove_child, #remove_children, #remove_children_by_type, #right_edge, #selection_color, #set_absolute_position, #set_dimensions, #set_layout, #set_selected, #set_theme, #text_color, #top_edge, #unset_selected, #update, #uses_layout, #warn, #widget_z, #x_pixel_to_screen, #y_pixel_to_screen, #z_order

Constructor Details

#initialize(x, y, width, height, title, text_input_default) ⇒ Dialog

Returns a new instance of Dialog.



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# File 'lib/wads/widgets.rb', line 2033

def initialize(x, y, width, height, title, text_input_default) 
    super(x, y, width, height) 
    @base_z = 10
    @error_message = nil

    add_text(title, 5, 5)
    # Forms automatically have some explanatory content
    add_document(content, 0, 56, width, height)

    # Forms automatically get a text input widget
    @textinput = TextField.new(x + 10, bottom_edge - 80, text_input_default, 600)
    @textinput.base_z = 10
    add_child(@textinput)

    # Forms automatically get OK and Cancel buttons
    ok_button = add_button("OK", (@width / 2) - 100, height - 32) do
        handle_ok
    end
    ok_button.width = 100

    cancel_button = add_button("Cancel", (@width / 2) + 50, height - 32) do
        WidgetResult.new(true)
    end
    cancel_button.width = 100
end

Instance Attribute Details

#textinput ⇒ Object

Returns the value of attribute textinput.



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# File 'lib/wads/widgets.rb', line 2031

def textinput
  @textinput
end

Instance Method Details

#add_error_message(msg) ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2066

def add_error_message(msg) 
    @error_message = ErrorMessage.new(x + 10, bottom_edge - 120, msg)
    @error_message.base_z = @base_z
end

#content ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2059

def content 
    <<~HEREDOC
    Override the content method to
    put your info here.
    HEREDOC
end

#handle_key_press(id, mouse_x, mouse_y) ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2097

def handle_key_press id, mouse_x, mouse_y
    if id == Gosu::KbEscape
        return WidgetResult.new(true) 
    end
end

#handle_mouse_click(mouse_x, mouse_y) ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2083

def handle_mouse_click(mouse_x, mouse_y)
    # empty implementation of mouse click outside
    # of standard form elements in this dialog
end

#handle_mouse_down(mouse_x, mouse_y) ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2088

def handle_mouse_down mouse_x, mouse_y
    # Mouse click: Select text field based on mouse position.
    WadsConfig.instance.get_window.text_input = [@textinput].find { |tf| tf.under_point?(mouse_x, mouse_y) }
    # Advanced: Move caret to clicked position
    WadsConfig.instance.get_window.text_input.move_caret(mouse_x) unless WadsConfig.instance.get_window.text_input.nil?

    handle_mouse_click(mouse_x, mouse_y)
end

#handle_ok ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2077

def handle_ok
    # Default behavior is to do nothing except tell the caller to 
    # close the dialog
    return WidgetResult.new(true, EVENT_OK) 
end

#render ⇒ Object 



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# File 'lib/wads/widgets.rb', line 2071

def render 
    if @error_message
        @error_message.draw 
    end 
end