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using Gdk;
using Gee;
using Gtk;
using Dino.Entities;
using Xmpp;
namespace Dino.Ui {
public class ChatTextViewController : Object {
public signal void send_text();
public OccupantsTabCompletor occupants_tab_completor;
private ChatTextView widget;
public ChatTextViewController(ChatTextView widget, StreamInteractor stream_interactor) {
this.widget = widget;
occupants_tab_completor = new OccupantsTabCompletor(stream_interactor, widget.text_view);
widget.send_text.connect(() => {
send_text();
});
}
public void initialize_for_conversation(Conversation conversation) {
occupants_tab_completor.initialize_for_conversation(conversation);
widget.initialize_for_conversation(conversation);
}
}
public class ChatTextView : ScrolledWindow {
public signal void send_text();
public signal void cancel_input();
public TextView text_view = new TextView() { can_focus=true, hexpand=true, wrap_mode=Gtk.WrapMode.WORD_CHAR, valign=Align.CENTER, visible=true };
// Hack to prevent the ChatTextView from increasing in height after text was entered
private Label zero_width_label_hack = new Label("") { hexpand=false, valign=Align.CENTER, opacity=0, visible=true };
private int vscrollbar_min_height;
private SmileyConverter smiley_converter;
public EditHistory edit_history;
private SpellChecker spell_checker;
construct {
max_content_height = 300;
propagate_natural_height = true;
Box box = new Box(Orientation.HORIZONTAL, 0) { hexpand=true, margin=8, valign=Align.CENTER, visible=true };
box.add(text_view);
box.add(zero_width_label_hack);
this.add(box);
smiley_converter = new SmileyConverter(text_view);
edit_history = new EditHistory(text_view);
spell_checker = new SpellChecker(text_view);
this.get_vscrollbar().get_preferred_height(out vscrollbar_min_height, null);
this.vadjustment.notify["upper"].connect_after(on_upper_notify);
text_view.key_press_event.connect(on_text_input_key_press);
Gtk.drag_dest_unset(text_view);
}
public void initialize_for_conversation(Conversation conversation) {
edit_history.initialize_for_conversation(conversation);
spell_checker.initialize_for_conversation(conversation);
}
public override void get_preferred_height(out int min_height, out int nat_height) {
base.get_preferred_height(out min_height, out nat_height);
min_height = nat_height;
}
private void on_upper_notify() {
this.vadjustment.value = this.vadjustment.upper - this.vadjustment.page_size;
// hack for vscrollbar not requiring space and making textview higher //TODO doesn't resize immediately
this.get_vscrollbar().visible = (this.vadjustment.upper > this.max_content_height - 2 * this.vscrollbar_min_height);
}
private bool on_text_input_key_press(EventKey event) {
if (event.keyval in new uint[]{Key.Return, Key.KP_Enter}) {
if ((event.state & ModifierType.SHIFT_MASK) > 0) {
text_view.buffer.insert_at_cursor("\n", 1);
} else if (text_view.buffer.text.strip() != "") {
send_text();
edit_history.reset_history();
}
return true;
}
if (event.keyval == Key.Escape) {
cancel_input();
}
return false;
}
}
}
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