diff options
Diffstat (limited to 'main/src/ui/global_search.vala')
| -rw-r--r-- | main/src/ui/global_search.vala | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/main/src/ui/global_search.vala b/main/src/ui/global_search.vala new file mode 100644 index 00000000..eadf142c --- /dev/null +++ b/main/src/ui/global_search.vala @@ -0,0 +1,259 @@ +using Gee; +using Gtk; +using Pango; + +using Dino.Entities; + +namespace Dino.Ui { + +[GtkTemplate (ui = "/im/dino/Dino/global_search.ui")] +class GlobalSearch : Overlay { + public signal void selected_item(MessageItem item); + private StreamInteractor stream_interactor; + private string search = ""; + private int loaded_results = -1; + private Mutex reloading_mutex = Mutex(); + + [GtkChild] public SearchEntry search_entry; + [GtkChild] public Label entry_number_label; + [GtkChild] public ScrolledWindow results_scrolled; + [GtkChild] public Box results_box; + [GtkChild] public Stack results_empty_stack; + [GtkChild] public Frame auto_complete_overlay; + [GtkChild] public ListBox auto_complete_list; + + public GlobalSearch init(StreamInteractor stream_interactor) { + this.stream_interactor = stream_interactor; + + search_entry.search_changed.connect(() => { + set_search(search_entry.text); + }); + search_entry.notify["text"].connect_after(() => { update_auto_complete(); }); + search_entry.notify["cursor-position"].connect_after(() => { update_auto_complete(); }); + + results_scrolled.vadjustment.notify["value"].connect(() => { + if (results_scrolled.vadjustment.upper - (results_scrolled.vadjustment.value + results_scrolled.vadjustment.page_size) < 100) { + if (!reloading_mutex.trylock()) return; + Gee.List<MessageItem> new_messages = stream_interactor.get_module(SearchProcessor.IDENTITY).match_messages(search, loaded_results); + if (new_messages.size == 0) { + reloading_mutex.unlock(); + return; + } + loaded_results += new_messages.size; + append_messages(new_messages); + } + }); + results_scrolled.vadjustment.notify["upper"].connect_after(() => { + reloading_mutex.trylock(); + reloading_mutex.unlock(); + }); + + event.connect((event) => { + if (auto_complete_overlay.visible) { + if (event.type == Gdk.EventType.KEY_PRESS && event.key.keyval == Gdk.Key.Up) { + var row = auto_complete_list.get_selected_row(); + var index = row == null ? -1 : row.get_index() - 1; + if (index == -1) index = (int)auto_complete_list.get_children().length() - 1; + auto_complete_list.select_row(auto_complete_list.get_row_at_index(index)); + return true; + } + if (event.type == Gdk.EventType.KEY_PRESS && event.key.keyval == Gdk.Key.Down) { + var row = auto_complete_list.get_selected_row(); + var index = row == null ? 0 : row.get_index() + 1; + if (index == auto_complete_list.get_children().length()) index = 0; + auto_complete_list.select_row(auto_complete_list.get_row_at_index(index)); + return true; + } + if (event.type == Gdk.EventType.KEY_PRESS && event.key.keyval == Gdk.Key.Tab || + event.type == Gdk.EventType.KEY_RELEASE && event.key.keyval == Gdk.Key.Return) { + auto_complete_list.get_selected_row().activate(); + return true; + } + } + // TODO: Handle cursor movement in results + // TODO: Direct all keystrokes to text input + return false; + }); + + return this; + } + + private void update_auto_complete() { + Gee.List<SearchSuggestion> suggestions = stream_interactor.get_module(SearchProcessor.IDENTITY).suggest_auto_complete(search_entry.text, search_entry.cursor_position); + auto_complete_overlay.visible = suggestions.size > 0; + if (suggestions.size > 0) { + auto_complete_list.@foreach((widget) => auto_complete_list.remove(widget)); + foreach(SearchSuggestion suggestion in suggestions) { + Builder builder = new Builder.from_resource("/im/dino/Dino/search_autocomplete.ui"); + AvatarImage avatar = (AvatarImage)builder.get_object("image"); + avatar.set_jid(stream_interactor, suggestion.jid, suggestion.account); + Label label = (Label)builder.get_object("label"); + string display_name = Util.get_display_name(stream_interactor, suggestion.jid, suggestion.account); + if (display_name != suggestion.jid.to_string()) { + label.set_markup(@"$display_name <span font_weight='light' fgalpha='80%'>$(suggestion.jid)</span>"); + } else { + label.label = display_name; + } + ListBoxRow row = new ListBoxRow() { visible = true, can_focus = false }; + row.add((Widget)builder.get_object("root")); + row.activate.connect(() => { + handle_suggestion(suggestion); + }); + auto_complete_list.add(row); + } + auto_complete_list.select_row(auto_complete_list.get_row_at_index(0)); + } + } + + private void handle_suggestion(SearchSuggestion suggestion) { + search_entry.move_cursor(MovementStep.LOGICAL_POSITIONS, suggestion.start_index - search_entry.cursor_position, false); + search_entry.delete_from_cursor(DeleteType.CHARS, suggestion.end_index - suggestion.start_index); + search_entry.insert_at_cursor(suggestion.completion + " "); + } + + private void clear_search() { + results_box.@foreach((widget) => { widget.destroy(); }); + } + + private void set_search(string search) { + clear_search(); + this.search = search; + + if (get_keywords(search).is_empty) { + results_empty_stack.set_visible_child_name("empty"); + return; + } + + Gee.List<MessageItem> messages = stream_interactor.get_module(SearchProcessor.IDENTITY).match_messages(search); + if (messages.size == 0) { + results_empty_stack.set_visible_child_name("no-result"); + } else { + results_empty_stack.set_visible_child_name("results"); + + int match_count = messages.size < 10 ? messages.size : stream_interactor.get_module(SearchProcessor.IDENTITY).count_match_messages(search); + entry_number_label.label = "<i>" + _("%i search results").printf(match_count) + "</i>"; + loaded_results += messages.size; + append_messages(messages); + } + } + + private void append_messages(Gee.List<MessageItem> messages) { + foreach (MessageItem item in messages) { + 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); + 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); + + Box context_box = new Box(Orientation.VERTICAL, 5) { visible=true }; + if (before_message != null && before_message.size > 0) { + context_box.add(get_context_message_widget(before_message.first())); + } + + Widget match_widget = get_match_message_widget(item); + Util.force_alloc_width(match_widget, results_empty_stack.get_allocated_width() - results_box.margin * 2); + context_box.add(match_widget); + + if (after_message != null && after_message.size > 0) { + context_box.add(get_context_message_widget(after_message.first())); + } + + Label date_label = new Label(ConversationSummary.DefaultSkeletonHeader.get_relative_time(item.display_time)) { xalign=0, visible=true }; + date_label.get_style_context().add_class("dim-label"); + + string display_name = Util.get_conversation_display_name(stream_interactor, item.conversation); + string title = item.message.type_ == Message.Type.GROUPCHAT ? _("In %s").printf(display_name) : _("With %s").printf(display_name); + Box header_box = new Box(Orientation.HORIZONTAL, 10) { margin_left=7, visible=true }; + header_box.add(new Label(@"<b>$(Markup.escape_text(title))</b>") { ellipsize=EllipsizeMode.END, xalign=0, use_markup=true, visible=true }); + header_box.add(date_label); + + Box result_box = new Box(Orientation.VERTICAL, 7) { visible=true }; + result_box.add(header_box); + result_box.add(context_box); + + results_box.add(result_box); + } + } + + private Widget get_match_message_widget(MessageItem item) { + Grid grid = get_skeleton(item); + grid.margin_top = 3; + grid.margin_bottom = 3; + + string text = item.message.body.replace("\n", "").replace("\r", ""); + if (text.length > 200) { + int index = text.index_of(search); + if (index + search.length <= 100) { + text = text.substring(0, 150) + " … " + text.substring(text.length - 50, 50); + } else if (index >= text.length - 100) { + text = text.substring(0, 50) + " … " + text.substring(text.length - 150, 150); + } else { + text = text.substring(0, 25) + " … " + text.substring(index - 50, 50) + text.substring(index, 100) + " … " + text.substring(text.length - 25, 25); + } + } + TextView tv = new TextView() { wrap_mode=Gtk.WrapMode.WORD_CHAR, hexpand=true, visible=true }; + tv.buffer.text = text; + TextTag link_tag = tv.buffer.create_tag("hit", background: "yellow"); + + Gee.List<string> keywords = get_keywords(Regex.escape_string(search.down())); + foreach (string keyword in keywords) { + Regex url_regex = new Regex(keyword.down()); + MatchInfo match_info; + url_regex.match(text.down(), 0, out match_info); + for (; match_info.matches(); match_info.next()) { + int start; + int end; + match_info.fetch_pos(0, out start, out end); + start = text[0:start].char_count(); + end = text[0:end].char_count(); + TextIter start_iter; + TextIter end_iter; + tv.buffer.get_iter_at_offset(out start_iter, start); + tv.buffer.get_iter_at_offset(out end_iter, end); + tv.buffer.apply_tag(link_tag, start_iter, end_iter); + } + } + + grid.attach(tv, 1, 1, 1, 1); + + Button button = new Button() { relief=ReliefStyle.NONE, visible=true }; + button.clicked.connect(() => { + selected_item(item); + }); + button.add(grid); + return button; + } + + private Grid get_context_message_widget(MessageItem item) { + Grid grid = get_skeleton(item); + grid.margin_left = 7; + Label label = new Label(item.message.body.replace("\n", "").replace("\r", "")) { ellipsize=EllipsizeMode.MIDDLE, xalign=0, visible=true }; + grid.attach(label, 1, 1, 1, 1); + grid.opacity = 0.55; + return grid; + } + + private Grid get_skeleton(MessageItem item) { + AvatarImage image = new AvatarImage() { height=32, width=32, margin_right=7, valign=Align.START, visible=true, allow_gray = false }; + image.set_jid(stream_interactor, item.jid, item.message.account); + Grid grid = new Grid() { row_homogeneous=false, visible=true }; + grid.attach(image, 0, 0, 1, 2); + + string display_name = Util.get_display_name(stream_interactor, item.jid, item.message.account); + string color = Util.get_name_hex_color(stream_interactor, item.message.account, item.jid, false); // TODO Util.is_dark_theme(name_label) + Label name_label = new Label("") { use_markup=true, xalign=0, visible=true }; + name_label.label = @"<span size='small' foreground=\"#$color\">$display_name</span>"; + grid.attach(name_label, 1, 0, 1, 1); + return grid; + } + + private static Gee.List<string> get_keywords(string search_string) { + Gee.List<string> ret = new ArrayList<string>(); + foreach (string search in search_string.split(" ")) { + bool is_filter = search.has_prefix("from:") || search.has_prefix("in:") || search.has_prefix("with:"); + if (!is_filter && search != "") { + ret.add(search); + } + } + return ret; + } +} + +} |