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Diffstat (limited to 'src/gui/sliceTypeList.vala')
| -rw-r--r-- | src/gui/sliceTypeList.vala | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/gui/sliceTypeList.vala b/src/gui/sliceTypeList.vala new file mode 100644 index 0000000..541658e --- /dev/null +++ b/src/gui/sliceTypeList.vala @@ -0,0 +1,172 @@ +/* +Copyright (c) 2011 by Simon Schneegans + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the Free +Software Foundation, either version 3 of the License, or (at your option) +any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +more details. + +You should have received a copy of the GNU General Public License along with +this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// A list displaying all available Action types and ActionGroup types. +///////////////////////////////////////////////////////////////////////// + +class SliceTypeList : Gtk.TreeView { + + ///////////////////////////////////////////////////////////////////// + /// This signal gets emitted when the user selects a new Type. + ///////////////////////////////////////////////////////////////////// + + public signal void on_select(string id, string icon_name); + + ///////////////////////////////////////////////////////////////////// + /// The listore which staroes all types internally. + ///////////////////////////////////////////////////////////////////// + + private Gtk.ListStore data; + private enum DataPos {ICON, ICON_NAME, NAME, ID} + + ///////////////////////////////////////////////////////////////////// + /// C'tor, constructs the Widget. + ///////////////////////////////////////////////////////////////////// + + public SliceTypeList() { + GLib.Object(); + + this.data = new Gtk.ListStore(4, typeof(Gdk.Pixbuf), + typeof(string), + typeof(string), + typeof(string)); + + this.data.set_sort_column_id(2, Gtk.SortType.ASCENDING); + + base.set_model(this.data); + base.set_headers_visible(true); + base.set_grid_lines(Gtk.TreeViewGridLines.NONE); + this.set_fixed_height_mode(true); + + var main_column = new Gtk.TreeViewColumn(); + main_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED); + main_column.title = _("Slice types"); + var icon_render = new Gtk.CellRendererPixbuf(); + main_column.pack_start(icon_render, false); + + var name_render = new Gtk.CellRendererText(); + main_column.pack_start(name_render, true); + + base.append_column(main_column); + + main_column.add_attribute(icon_render, "pixbuf", DataPos.ICON); + main_column.add_attribute(name_render, "markup", DataPos.NAME); + + this.get_selection().changed.connect(() => { + Gtk.TreeIter active; + if (this.get_selection().get_selected(null, out active)) { + string id = ""; + string icon = ""; + this.data.get(active, DataPos.ID, out id); + this.data.get(active, DataPos.ICON_NAME, out icon); + this.on_select(id, icon); + } + }); + + reload_all(); + } + + ///////////////////////////////////////////////////////////////////// + /// Loads a registered actions and action groups. + ///////////////////////////////////////////////////////////////////// + + public void reload_all() { + Gtk.TreeIter active; + string current_id = ""; + if (this.get_selection().get_selected(null, out active)) + this.data.get(active, DataPos.ID, out current_id); + + data.clear(); + + foreach (var action_type in ActionRegistry.types) { + var description = ActionRegistry.descriptions[action_type]; + + Gtk.TreeIter current; + data.append(out current); + var icon = new Icon(description.icon, 36); + data.set(current, DataPos.ICON, icon.to_pixbuf()); + data.set(current, DataPos.ICON_NAME, description.icon); + data.set(current, DataPos.NAME, "<b>" + description.name + "</b>\n" + + "<small>" + description.description + "</small>"); + data.set(current, DataPos.ID, description.id); + } + + foreach (var group_type in GroupRegistry.types) { + var description = GroupRegistry.descriptions[group_type]; + + Gtk.TreeIter current; + data.append(out current); + var icon = new Icon(description.icon, 36); + data.set(current, DataPos.ICON, icon.to_pixbuf()); + data.set(current, DataPos.ICON_NAME, description.icon); + data.set(current, DataPos.NAME, "<b>" + description.name + "</b>\n" + + "<small>" + description.description + "</small>"); + data.set(current, DataPos.ID, description.id); + } + + select_first(); + select(current_id); + } + + ///////////////////////////////////////////////////////////////////// + /// Selects the first type in the list. + ///////////////////////////////////////////////////////////////////// + + public void select_first() { + Gtk.TreeIter active; + + if(this.data.get_iter_first(out active) ) { + this.get_selection().select_iter(active); + string id = ""; + string icon = ""; + this.data.get(active, DataPos.ID, out id); + this.data.get(active, DataPos.ICON_NAME, out icon); + this.on_select(id, icon); + } else { + this.on_select("", "application-default-icon"); + } + } + + ///////////////////////////////////////////////////////////////////// + /// Select the given slice type. + ///////////////////////////////////////////////////////////////////// + + public void select(string id) { + this.data.foreach((model, path, iter) => { + string pie_id; + this.data.get(iter, DataPos.ID, out pie_id); + + if (id == pie_id) { + this.get_selection().select_iter(iter); + string icon = ""; + this.data.get(iter, DataPos.ICON_NAME, out icon); + this.on_select(pie_id, icon); + this.scroll_to_cell(path, null, true, 0.5f, 0.5f); + this.has_focus = true; + + return true; + } + + return false; + }); + } +} + +} |