summaryrefslogtreecommitdiff
path: root/src/actionGroups/clipboardGroup.vala
blob: 51c3d1a64d42c8a6c32ba82c5158fc63f1772d05 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011-2016 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 {

/////////////////////////////////////////////////////////////////////////
/// This Group keeps a history of the last used Clipboard entries.
/// Experimental. Not enabled.
/////////////////////////////////////////////////////////////////////////

public class ClipboardGroup : ActionGroup {

    /////////////////////////////////////////////////////////////////////

    private class ClipboardItem : GLib.Object {

        public string name { get; protected set; }
        public string icon { get; protected set; }

        protected Gtk.Clipboard clipboard { get; set; }
        protected static Key paste_key = new Key.from_string("<Control>v");

        public virtual void paste() {}
    }

    /////////////////////////////////////////////////////////////////////

    private class TextClipboardItem : ClipboardItem {

        public TextClipboardItem(Gtk.Clipboard clipboard) {
            GLib.Object(clipboard : clipboard,
                        name      : clipboard.wait_for_text(),
                        icon      : "edit-paste");

            // check whether a file has been copied and search for a cool icon
            var first_line = this.name.substring(0, this.name.index_of("\n"));
            var file = GLib.File.new_for_path(first_line);

            if (file.query_exists()) {
                try {
                    var info = file.query_info("standard::icon", 0);
                    this.icon = Icon.get_icon_name(info.get_icon());
                } catch (Error e) {
                    warning("Failed to generate icon for ClipboardGroupItem.");
                }
            }
        }

        public override void paste() {
            clipboard.set_text(name, name.length);
            paste_key.press();
        }
    }

    /////////////////////////////////////////////////////////////////////

    private class ImageClipboardItem : ClipboardItem {

        private Gdk.Pixbuf image { get; set; }

        public ImageClipboardItem(Gtk.Clipboard clipboard) {
            GLib.Object(clipboard : clipboard,
                        name      : _("Image data"),
                        icon      : "image-viewer");
            this.image = clipboard.wait_for_image();
        }

        public override void paste() {
            clipboard.set_image(image);
            paste_key.press();
        }
    }

    /////////////////////////////////////////////////////////////////////
    /// The maximum remembered items of the clipboard.
    /////////////////////////////////////////////////////////////////////

    public int max_items {get; set; default=8; }

    /////////////////////////////////////////////////////////////////////

    public ClipboardGroup(string parent_id) {
        GLib.Object(parent_id : parent_id);
    }

    /////////////////////////////////////////////////////////////////////
    /// Used to register this type of ActionGroup. It sets the display
    /// name for this ActionGroup, it's icon name and the string used in
    /// the pies.conf file for this kind of ActionGroups.
    /////////////////////////////////////////////////////////////////////

    public static GroupRegistry.TypeDescription register() {
        var description = new GroupRegistry.TypeDescription();
        description.name = _("Group: Clipboard");
        description.icon = "edit-paste";
        description.description = _("Manages your Clipboard.");
        description.id = "clipboard";
        return description;
    }

    /////////////////////////////////////////////////////////////////////
    /// The clipboard to be monitored.
    /////////////////////////////////////////////////////////////////////

    private Gtk.Clipboard clipboard;

    private bool ignore_next_change = false;

    private Gee.ArrayList<ClipboardItem?> items;

    construct {
        this.items = new Gee.ArrayList<ClipboardItem?>();
        this.clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD);
        this.clipboard.owner_change.connect(this.on_change);
    }

    /////////////////////////////////////////////////////////////////////
    /// This one is called, when the ActionGroup is saved.
    /////////////////////////////////////////////////////////////////////

    public override void on_save(Xml.TextWriter writer) {
        base.on_save(writer);
        writer.write_attribute("max_items", this.max_items.to_string());
    }

    /////////////////////////////////////////////////////////////////////
    /// This one is called, when the ActionGroup is loaded.
    /////////////////////////////////////////////////////////////////////

    public override void on_load(Xml.Node* data) {
        for (Xml.Attr* attribute = data->properties; attribute != null; attribute = attribute->next) {
            string attr_name = attribute->name.down();
            string attr_content = attribute->children->content;

            if (attr_name == "max_items") {
                this.max_items = int.parse(attr_content);
            }
        }
    }

    private void on_change() {
        if (ignore_next_change) {
            ignore_next_change = false;
            return;
        }

        if (this.clipboard.wait_is_text_available()) {
            if (clipboard.wait_for_text() != null) {
                add_item(new TextClipboardItem(this.clipboard));
            }
        } else if (this.clipboard.wait_is_image_available()) {
            add_item(new ImageClipboardItem(this.clipboard));
        }
    }

    private void add_item(ClipboardItem item) {

        // remove one item if there are too many
        if (this.items.size == this.max_items) {
            this.items.remove_at(0);
        }

        this.items.add(item);

        // update slices
        this.delete_all();

        for (int i=this.items.size-1; i>=0; --i) {
            var action = new SigAction(items[i].name, items[i].icon, i.to_string());
            action.activated.connect(() => {
                ignore_next_change = true;
                this.items[int.parse(action.real_command)].paste();
            });
            this.add_action(action);
        }

    }
}

}