ruby-****@sourc*****
ruby-****@sourc*****
2012年 10月 15日 (月) 08:28:13 JST
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REMOTE_ADDR = 184.145.82.7
REMOTE_HOST =
URL = http://ruby-gnome2.sourceforge.jp/hiki.cgi?tut-gtk2-treev-kbda
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@@ -18,48 +18,51 @@
#!/usr/bin/env ruby
require 'gtk2'
- # Add three columns to the Gtk::TreeView. All three of the
- # columns will be displayed as text, although one is a Boolean
- # value and another is an integer.
def setup_tree_view(treeview)
# Create a new GtkCellRendererText, add it to the tree
# view column and append the column to the tree view.
renderer = Gtk::CellRendererText.new
- column = Gtk::TreeViewColumn.new("Action", renderer, "text" => Accl::ACTION)
+ column = Gtk::TreeViewColumn.new("Action", renderer, "text" => ACTION_COLUMN)
treeview.append_column(column)
renderer = Gtk::CellRendererAccel.new
- column = Gtk::TreeViewColumn.new(
- "Accelerator", renderer,
- "accel_mods" => Accl::MASK,
- "accel_key" => Accl::VALUE
+ column = Gtk::TreeViewColumn.new("Accelerator", renderer,
+ { "accel_mods" => MASK_COLUMN, "accel_key" => VALUE_COLUMN }
)
- # BUG: Gtk::CellRendererAccel::MODE_GTK is undefined
- # renderer.accel_mode = Gtk::CellRendererAccel::MODE_GTK
- renderer.accel_mode = 0 # BUG: Gtk::CellRendererAccel::MODE_GTK is undefined
renderer.editable = true
-
- treeview.append_column(column)
+ treeview.append_column(column)
+
renderer.signal_connect('accel_edited') do |w, path, accl_k, mask, hw_k|
if (iter = treeview.model.get_iter(path))
- iter[Accl::MASK] = mask
- iter[Accl::VALUE] = accl_k
+ iter[MASK_COLUMN] = mask
+ iter[VALUE_COLUMN] = accl_k
+ puts "accel_k:#{accl_k}=[" +
+ "#{Gdk::Keyval.to_name(accl_k)}] hw_k:#{hw_k} " +
+ "Modifier keys=#{get_string_for_modifier_keys(mask)}"
end
end
end
- window = Gtk::Window.new(Gtk::Window::TOPLEVEL)
- window.resizable = true
- window.title = "Accelerator Keys"
- window.border_width = 10
- window.signal_connect('delete_event') { Gtk.main_quit }
- window.set_size_request(250, 175)
+ def need_plus(arg)
+ arg == '' ? '' : '+'
+ end
+
+ def get_string_for_modifier_keys(mask)
+ mods = ""
+ mods += "Shift" if mask & Gdk::Window::SHIFT_MASK != 0
+ mods += "#{need_plus(mods)}Ctrl" if mask & Gdk::Window::CONTROL_MASK != 0
+ mods += "#{need_plus(mods)}Alt" if mask & Gdk::Window::MOD1_MASK != 0
+ mods += "#{need_plus(mods)}Mod2" if mask & Gdk::Window::MOD2_MASK != 0
+ mods += "#{need_plus(mods)}Meta" if mask & Gdk::Window::META_MASK != 0
+ mods += "#{need_plus(mods)}Button1" if mask & Gdk::Window::BUTTON1_MASK != 0
+ mods += "#{need_plus(mods)}Super" if mask & Gdk::Window::SUPER_MASK != 0
+ mods == "" ? "" : "<"+mods+">"
+ end
class Accl
attr_accessor :action, :mask, :value
def initialize(a, m, v); @action, @mask, @value = a, m, v; end
- ACTION = 0; MASK = 1; VALUE = 2
end
-
+ ACTION_COLUMN = 0; MASK_COLUMN = 1; VALUE_COLUMN = 2
list = [
Accl.new("Cut", Gdk::Window::CONTROL_MASK, Gdk::Keyval::GDK_X),
Accl.new("Copy", Gdk::Window::CONTROL_MASK, Gdk::Keyval::GDK_C),
@@ -69,29 +72,38 @@
Accl.new("Print", Gdk::Window::CONTROL_MASK, Gdk::Keyval::GDK_P),
]
- treeview = Gtk::TreeView.new
+ ### -- There's a BUG in {{ Gtk::CellRendererAccel }}
+ ### ------------------------------------------------
+ ### All the above definitions of modifier keys when "single" modifier is used
+ ### work, however, if you added the line ad the end of this comment to the list
+ ### above, it would not be rendered properly because more modifier keys are OR'ed
+ ### together. Following would not work correctly:
+ ###
+ ### Accl.new("Purge", Gdk::Window::CONTROL_MASK & Gdk::Window::MOD1_MASK, Gdk::Keyval::GDK_P),
+
+ treeview = Gtk::TreeView.new(store = Gtk::ListStore.new(String, Integer, Integer))
setup_tree_view(treeview)
-
- # Create a new tree model with three columns, as Boolean,
- # integer and string.
- store = Gtk::ListStore.new(String, Integer, Integer)
# Add all of the products to the GtkListStore.
list.each_with_index do |e, i|
iter = store.append
- store.set_value(iter, Accl::ACTION, list[i].action)
- store.set_value(iter, Accl::MASK, list[i].mask)
- store.set_value(iter, Accl::VALUE, list[i].value)
+ iter[ACTION_COLUMN] = list[i].action
+ iter[MASK_COLUMN] = list[i].mask # see: BUG in {{ Gtk::CellRendererAccel }} above
+ iter[VALUE_COLUMN] = list[i].value
iter.next!
end
- # Add the tree model to the tree view
- treeview.model = store
-
scrolled_win = Gtk::ScrolledWindow.new
scrolled_win.add(treeview)
scrolled_win.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
-
+ window = Gtk::Window.new("Accelerator Keys")
+ window.resizable = true
+ window.border_width = 10
+ window.signal_connect('destroy') { Gtk.main_quit }
+ window.set_size_request(250, 175)
window.add(scrolled_win)
window.show_all
Gtk.main