mirror of https://github.com/TakeV-Lambda/dino.git
272 lines
13 KiB
Vala
272 lines
13 KiB
Vala
using Gee;
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using Gtk;
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using Pango;
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using Dino.Entities;
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namespace Dino.Ui {
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[GtkTemplate (ui = "/im/dino/Dino/global_search.ui")]
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public class GlobalSearch : Overlay {
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public signal void selected_item(MessageItem item);
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private StreamInteractor stream_interactor;
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private string search = "";
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private int loaded_results = -1;
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private Mutex reloading_mutex = Mutex();
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[GtkChild] public SearchEntry search_entry;
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[GtkChild] public Label entry_number_label;
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[GtkChild] public ScrolledWindow results_scrolled;
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[GtkChild] public Box results_box;
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[GtkChild] public Stack results_empty_stack;
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[GtkChild] public Frame auto_complete_overlay;
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[GtkChild] public ListBox auto_complete_list;
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public GlobalSearch init(StreamInteractor stream_interactor) {
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this.stream_interactor = stream_interactor;
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search_entry.search_changed.connect(() => {
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set_search(search_entry.text);
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});
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search_entry.notify["text"].connect_after(() => { update_auto_complete(); });
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search_entry.notify["cursor-position"].connect_after(() => { update_auto_complete(); });
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results_scrolled.vadjustment.notify["value"].connect(() => {
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if (results_scrolled.vadjustment.upper - (results_scrolled.vadjustment.value + results_scrolled.vadjustment.page_size) < 100) {
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if (!reloading_mutex.trylock()) return;
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Gee.List<MessageItem> new_messages = stream_interactor.get_module(SearchProcessor.IDENTITY).match_messages(search, loaded_results);
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if (new_messages.size == 0) {
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reloading_mutex.unlock();
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return;
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}
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loaded_results += new_messages.size;
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append_messages(new_messages);
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}
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});
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results_scrolled.vadjustment.notify["upper"].connect_after(() => {
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reloading_mutex.trylock();
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reloading_mutex.unlock();
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});
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event.connect((event) => {
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if (auto_complete_overlay.visible) {
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if (event.type == Gdk.EventType.KEY_PRESS && event.key.keyval == Gdk.Key.Up) {
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var row = auto_complete_list.get_selected_row();
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var index = row == null ? -1 : row.get_index() - 1;
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if (index == -1) index = (int)auto_complete_list.get_children().length() - 1;
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auto_complete_list.select_row(auto_complete_list.get_row_at_index(index));
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return true;
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}
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if (event.type == Gdk.EventType.KEY_PRESS && event.key.keyval == Gdk.Key.Down) {
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var row = auto_complete_list.get_selected_row();
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var index = row == null ? 0 : row.get_index() + 1;
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if (index == auto_complete_list.get_children().length()) index = 0;
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auto_complete_list.select_row(auto_complete_list.get_row_at_index(index));
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return true;
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}
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if (event.type == Gdk.EventType.KEY_PRESS && event.key.keyval == Gdk.Key.Tab ||
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event.type == Gdk.EventType.KEY_RELEASE && event.key.keyval == Gdk.Key.Return) {
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auto_complete_list.get_selected_row().activate();
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return true;
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}
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}
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// TODO: Handle cursor movement in results
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// TODO: Direct all keystrokes to text input
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return false;
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});
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return this;
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}
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private void update_auto_complete() {
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Gee.List<SearchSuggestion> suggestions = stream_interactor.get_module(SearchProcessor.IDENTITY).suggest_auto_complete(search_entry.text, search_entry.cursor_position);
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auto_complete_overlay.visible = suggestions.size > 0;
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if (suggestions.size > 0) {
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auto_complete_list.@foreach((widget) => auto_complete_list.remove(widget));
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foreach(SearchSuggestion suggestion in suggestions) {
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Builder builder = new Builder.from_resource("/im/dino/Dino/search_autocomplete.ui");
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AvatarImage avatar = (AvatarImage)builder.get_object("image");
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avatar.set_jid(stream_interactor, suggestion.jid, suggestion.account);
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Label label = (Label)builder.get_object("label");
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string display_name = Util.get_display_name(stream_interactor, suggestion.jid, suggestion.account);
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if (display_name != suggestion.jid.to_string()) {
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label.set_markup(@"$display_name <span font_weight='light' fgalpha='80%'>$(suggestion.jid)</span>");
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} else {
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label.label = display_name;
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}
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ListBoxRow row = new ListBoxRow() { visible = true, can_focus = false };
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row.add((Widget)builder.get_object("root"));
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row.activate.connect(() => {
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handle_suggestion(suggestion);
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});
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auto_complete_list.add(row);
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}
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auto_complete_list.select_row(auto_complete_list.get_row_at_index(0));
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}
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}
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private void handle_suggestion(SearchSuggestion suggestion) {
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search_entry.move_cursor(MovementStep.LOGICAL_POSITIONS, suggestion.start_index - search_entry.cursor_position, false);
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search_entry.delete_from_cursor(DeleteType.CHARS, suggestion.end_index - suggestion.start_index);
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search_entry.insert_at_cursor(suggestion.completion + " ");
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}
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private void clear_search() {
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results_box.@foreach((widget) => { widget.destroy(); });
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}
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private void set_search(string search) {
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clear_search();
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this.search = search;
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if (get_keywords(search).is_empty) {
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results_empty_stack.set_visible_child_name("empty");
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return;
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}
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Gee.List<MessageItem> messages = stream_interactor.get_module(SearchProcessor.IDENTITY).match_messages(search);
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if (messages.size == 0) {
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results_empty_stack.set_visible_child_name("no-result");
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} else {
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results_empty_stack.set_visible_child_name("results");
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int match_count = messages.size < 10 ? messages.size : stream_interactor.get_module(SearchProcessor.IDENTITY).count_match_messages(search);
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entry_number_label.label = "<i>" + _("%i search results").printf(match_count) + "</i>";
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loaded_results += messages.size;
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append_messages(messages);
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}
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}
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private void append_messages(Gee.List<MessageItem> messages) {
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foreach (MessageItem item in messages) {
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Gee.List<MessageItem> before_message = stream_interactor.get_module(MessageStorage.IDENTITY).get_messages_before_message(item.conversation, item.message.local_time, item.message.id, 1);
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Gee.List<MessageItem> after_message = stream_interactor.get_module(MessageStorage.IDENTITY).get_messages_after_message(item.conversation, item.message.local_time, item.message.id, 1);
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Box context_box = new Box(Orientation.VERTICAL, 5) { visible=true };
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if (before_message != null && before_message.size > 0) {
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context_box.add(get_context_message_widget(before_message.first()));
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}
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Widget match_widget = get_match_message_widget(item);
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context_box.add(match_widget);
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if (after_message != null && after_message.size > 0) {
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context_box.add(get_context_message_widget(after_message.first()));
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}
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Label date_label = new Label(ConversationSummary.ItemMetaDataHeader.get_relative_time(item.display_time)) { xalign=0, visible=true };
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date_label.get_style_context().add_class("dim-label");
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string display_name = Util.get_conversation_display_name(stream_interactor, item.conversation);
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string title = item.message.type_ == Message.Type.GROUPCHAT ? _("In %s").printf(display_name) : _("With %s").printf(display_name);
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Box header_box = new Box(Orientation.HORIZONTAL, 10) { margin_start=7, visible=true };
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header_box.add(new Label(@"<b>$(Markup.escape_text(title))</b>") { ellipsize=EllipsizeMode.END, xalign=0, use_markup=true, visible=true });
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header_box.add(date_label);
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Box result_box = new Box(Orientation.VERTICAL, 7) { visible=true };
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result_box.add(header_box);
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result_box.add(context_box);
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results_box.add(result_box);
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}
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}
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private Widget get_match_message_widget(MessageItem item) {
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Grid grid = get_skeleton(item);
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grid.margin_top = 3;
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grid.margin_bottom = 3;
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string text = item.message.body.replace("\n", "").replace("\r", "");
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if (text.length > 200) {
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int index = text.index_of(search);
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if (index + search.length <= 100) {
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text = text.substring(0, 150) + " … " + text.substring(text.length - 50, 50);
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} else if (index >= text.length - 100) {
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text = text.substring(0, 50) + " … " + text.substring(text.length - 150, 150);
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} else {
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text = text.substring(0, 25) + " … " + text.substring(index - 50, 50) + text.substring(index, 100) + " … " + text.substring(text.length - 25, 25);
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}
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}
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Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, vexpand=true, visible=true };
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string markup_text = Markup.escape_text(text);
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// Build regex containing all keywords
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string regex_str = "(";
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Gee.List<string> keywords = get_keywords(Regex.escape_string(search.down()));
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bool first = true;
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foreach (string keyword in keywords) {
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if (first) {
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first = false;
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} else {
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regex_str += "|";
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}
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regex_str += "\\b" + keyword;
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}
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regex_str += ")";
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// Color the keywords
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try {
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int elongated_by = 0;
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Regex highlight_regex = new Regex(regex_str);
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MatchInfo match_info;
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string markup_text_bak = markup_text.down();
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highlight_regex.match(markup_text_bak, 0, out match_info);
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for (; match_info.matches(); match_info.next()) {
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int start, end;
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match_info.fetch_pos(0, out start, out end);
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markup_text = markup_text[0:start+elongated_by] + "<span bgcolor=\"yellow\">" + markup_text[start+elongated_by:end+elongated_by] + "</span>" + markup_text[end+elongated_by:markup_text.length];
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elongated_by += "<span bgcolor=\"yellow\">".length + "</span>".length;
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}
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markup_text_bak += ""; // We need markup_text_bak to live until here because url_regex.match does not copy the string
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} catch (RegexError e) {
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assert_not_reached();
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}
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label.label = markup_text;
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grid.attach(label, 1, 1, 1, 1);
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Button button = new Button() { relief=ReliefStyle.NONE, visible=true };
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button.clicked.connect(() => {
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selected_item(item);
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});
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button.add(grid);
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return button;
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}
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private Grid get_context_message_widget(MessageItem item) {
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Grid grid = get_skeleton(item);
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grid.margin_start = 7;
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Label label = new Label(item.message.body.replace("\n", "").replace("\r", "")) { ellipsize=EllipsizeMode.MIDDLE, xalign=0, visible=true };
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grid.attach(label, 1, 1, 1, 1);
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grid.opacity = 0.55;
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return grid;
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}
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private Grid get_skeleton(MessageItem item) {
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AvatarImage image = new AvatarImage() { height=32, width=32, margin_end=7, valign=Align.START, visible=true, allow_gray = false };
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image.set_jid(stream_interactor, item.jid, item.message.account);
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Grid grid = new Grid() { row_homogeneous=false, visible=true };
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grid.attach(image, 0, 0, 1, 2);
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string display_name = Util.get_display_name(stream_interactor, item.jid, item.message.account);
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string color = Util.get_name_hex_color(stream_interactor, item.message.account, item.jid, false); // TODO Util.is_dark_theme(name_label)
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Label name_label = new Label("") { use_markup=true, xalign=0, visible=true };
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name_label.label = @"<span size='small' foreground=\"#$color\">$display_name</span>";
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grid.attach(name_label, 1, 0, 1, 1);
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return grid;
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}
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private static Gee.List<string> get_keywords(string search_string) {
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Gee.List<string> ret = new ArrayList<string>();
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foreach (string search in search_string.split(" ")) {
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bool is_filter = search.has_prefix("from:") || search.has_prefix("in:") || search.has_prefix("with:");
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if (!is_filter && search != "") {
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ret.add(search);
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}
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}
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return ret;
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}
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}
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}
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