class FiltermodelDemo
# Copyright © 2016 Ruby-GNOME2 Project Team # This program is licenced under the same licence as Ruby-GNOME2. #
Tree View/Filter Model¶ ↑
This example demonstrates how GtkTreeModelFilter can be used not just to show a subset of the rows, but also to compute columns that are not actually present in the underlying model.
Constants
- AREA_COLUMN
- HEIGHT_COLUMN
- SQUARE_COLUMN
- WIDTH_COLUMN
Public Class Methods
new(main_window)
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# File gtk3/sample/gtk-demo/filtermodel.rb, line 17 def initialize(main_window) initialize_builder @window = @builder["window1"] @window.screen = main_window.screen set_treeview_column_data_from_int_to_string("treeviewcolumn1", "cellrenderertext1", WIDTH_COLUMN) set_treeview_column_data_from_int_to_string("treeviewcolumn2", "cellrenderertext2", HEIGHT_COLUMN) set_treeview_column_data_from_int_to_string("treeviewcolumn3", "cellrenderertext3", WIDTH_COLUMN) set_treeview_column_data_from_int_to_string("treeviewcolumn4", "cellrenderertext4", HEIGHT_COLUMN) set_treeview_column_data_from_int_to_string("treeviewcolumn5", "cellrenderertext5", AREA_COLUMN) column = @builder["treeviewcolumn6"] cell = @builder["cellrendererpixbuf1"] column.add_attribute(cell, "visible", SQUARE_COLUMN) @store = @builder["liststore1"] initialize_tree_model_filter_computed set_treeview_column_data_from_int_to_string("treeviewcolumn7", "cellrenderertext6", WIDTH_COLUMN) set_treeview_column_data_from_int_to_string("treeviewcolumn8", "cellrenderertext7", HEIGHT_COLUMN) initialize_tree_model_filter_selected end
Public Instance Methods
run()
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# File gtk3/sample/gtk-demo/filtermodel.rb, line 61 def run if !@window.visible? @window.show_all else @window.destroy end @window end