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|
return function(parent, dir)
local lgi = require 'lgi'
local GObject = lgi.GObject
local Gtk = lgi.Gtk
local ItemColumn = {
NUMBER = 1,
PRODUCT = 2,
YUMMY = 3,
}
local NumberColumn = {
TEXT = 1,
NUMBER = 2,
}
-- Fill store with initial items.
local item_store = Gtk.ListStore.new {
[ItemColumn.NUMBER] = GObject.Type.INT,
[ItemColumn.PRODUCT] = GObject.Type.STRING,
[ItemColumn.YUMMY] = GObject.Type.INT,
}
for _, item in ipairs {
{
[ItemColumn.NUMBER] = 3,
[ItemColumn.PRODUCT] = "bottles of coke",
[ItemColumn.YUMMY] = 20,
},
{
[ItemColumn.NUMBER] = 5,
[ItemColumn.PRODUCT] = "packages of noodles",
[ItemColumn.YUMMY] = 50,
},
{
[ItemColumn.NUMBER] = 2,
[ItemColumn.PRODUCT] = "packages of chocolate chip cookies",
[ItemColumn.YUMMY] = 90,
},
{
[ItemColumn.NUMBER] = 1,
[ItemColumn.PRODUCT] = "can vanilla ice cream",
[ItemColumn.YUMMY] = 60,
},
{
[ItemColumn.NUMBER] = 6,
[ItemColumn.PRODUCT] = "eggs",
[ItemColumn.YUMMY] = 10,
},
} do
item_store:append(item)
end
-- Fill store with numbers.
local number_store = Gtk.ListStore.new {
[NumberColumn.TEXT] = GObject.Type.INT,
[NumberColumn.NUMBER] = GObject.Type.STRING,
}
for i = 1, 10 do
number_store:append {
[NumberColumn.TEXT] = i,
[NumberColumn.NUMBER] = i,
}
end
local window = Gtk.Window {
title = "Shopping list",
default_width = 320,
default_height = 200,
border_width = 5,
Gtk.Box {
orientation = 'VERTICAL',
spacing = 5,
Gtk.Label {
label = "Shopping list (you can edit the cells!)",
},
Gtk.ScrolledWindow {
shadow_type = 'ETCHED_IN',
expand = true,
Gtk.TreeView {
id = 'view',
model = item_store,
Gtk.TreeViewColumn {
title = "Number",
{
Gtk.CellRendererCombo {
id = 'number_renderer',
model = number_store,
text_column = NumberColumn.TEXT,
has_entry = false,
editable = true
},
{ text = ItemColumn.NUMBER, }
},
},
Gtk.TreeViewColumn {
title = "Product",
{
Gtk.CellRendererText {
id = 'product_renderer',
editable = true,
},
{ text = ItemColumn.PRODUCT, }
}
},
Gtk.TreeViewColumn {
title = "Yummy",
{
Gtk.CellRendererProgress {},
{
value = ItemColumn.YUMMY,
},
}
},
},
},
Gtk.Box {
orientation = 'HORIZONTAL',
spacing = 4,
homogeneous = true,
Gtk.Button {
id = 'add',
label = "Add item",
},
Gtk.Button {
id = 'remove',
label = "Remove item",
},
},
}
}
function window.child.number_renderer:on_edited(path_string, new_text)
local path = Gtk.TreePath.new_from_string(path_string)
item_store[path][ItemColumn.NUMBER] = new_text
end
function window.child.number_renderer:on_editing_started(editable, path)
editable:set_row_separator_func(
function(model, iter)
return model:get_path(iter):get_indices()[1] == 5
end)
end
function window.child.product_renderer:on_edited(path_string, new_text)
local path = Gtk.TreePath.new_from_string(path_string)
item_store[path][ItemColumn.PRODUCT] = new_text
end
local selection = window.child.view:get_selection()
selection.mode = 'SINGLE'
function window.child.add:on_clicked()
item_store:append {
[ItemColumn.NUMBER] = 0,
[ItemColumn.PRODUCT] = "Description here",
[ItemColumn.YUMMY] = 50,
}
end
function window.child.remove:on_clicked()
local model, iter = selection:get_selected()
if model and iter then
model:remove(iter)
end
end
window:show_all()
return window
end,
"Tree View/Editable Cells",
table.concat {
[[This demo demonstrates the use of editable cells in a Gtk.TreeView. ]],
[[If you're new to the Gtk.TreeView widgets and associates, look into ]],
[[the Gtk.ListStore example first. It also shows how to use ]],
[[the Gtk.CellRenderer::editing-started signal to do custom setup of ]],
[[the editable widget.
The cell renderers used in this demo are Gtk.CellRendererText, ]],
[[Gtk.CellRendererCombo and GtkCell.RendererProgress.]]
}
|
