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/////////////////////////////////////////////////////////////////////////
// Copyright 2011-2021 Simon Schneegans
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/////////////////////////////////////////////////////////////////////////
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 = info.get_icon().to_string();
} 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);
}
}
}
}
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