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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);
}
}
public class ChatTextView : Box {
public signal void send_text();
public signal void cancel_input();
public ScrolledWindow scrolled_window = new ScrolledWindow() { propagate_natural_height=true, max_content_height=300, hexpand=true };
public TextView text_view = new TextView() { hexpand=true, wrap_mode=Gtk.WrapMode.WORD_CHAR, valign=Align.CENTER, margin_top=7, margin_bottom=7 };
private int vscrollbar_min_height;
private uint wait_queue_resize;
private SmileyConverter smiley_converter;
construct {
valign = Align.CENTER;
scrolled_window.set_child(text_view);
this.append(scrolled_window);
var text_input_key_events = new EventControllerKey() { name = "dino-text-input-view-key-events" };
text_input_key_events.key_pressed.connect(on_text_input_key_press);
text_view.add_controller(text_input_key_events);
smiley_converter = new SmileyConverter(text_view);
scrolled_window.vadjustment.changed.connect(on_upper_notify);
text_view.realize.connect(() => {
var minimum_size = Requisition();
scrolled_window.get_preferred_size(out minimum_size, null);
vscrollbar_min_height = minimum_size.height;
});
}
public override void dispose() {
base.dispose();
if (wait_queue_resize != 0) {
Source.remove(wait_queue_resize);
wait_queue_resize = 0;
}
}
private void on_upper_notify() {
// hack. otherwise the textview would only show the last row(s) when entering a new row on some systems.
scrolled_window.height_request = int.min(scrolled_window.max_content_height, (int) scrolled_window.vadjustment.upper + text_view.margin_top + text_view.margin_bottom);
scrolled_window.vadjustment.page_size = double.min(scrolled_window.height_request - (text_view.margin_top + text_view.margin_bottom), scrolled_window.vadjustment.upper);
// hack for vscrollbar not requiring space and making textview higher //TODO doesn't resize immediately
scrolled_window.get_vscrollbar().visible = (scrolled_window.vadjustment.upper > scrolled_window.max_content_height - 2 * this.vscrollbar_min_height);
start_queue_resize_if_needed();
}
private void start_queue_resize_if_needed() {
if (wait_queue_resize == 0) {
wait_queue_resize = Timeout.add(100, queue_resize_if_needed);
}
}
private bool queue_resize_if_needed() {
if (scrolled_window.get_height() == scrolled_window.height_request) {
wait_queue_resize = 0;
return false;
} else {
queue_resize();
return true;
}
}
private bool on_text_input_key_press(EventControllerKey controller, uint keyval, uint keycode, Gdk.ModifierType state) {
if (keyval in new uint[]{ Key.Return, Key.KP_Enter }) {
// Allow the text view to process the event. Needed for IME.
if (text_view.im_context_filter_keypress(controller.get_current_event())) {
return true;
}
if ((state & ModifierType.SHIFT_MASK) > 0) {
// Let the default handler normally insert a newline if shift was hold
return false;
} else if (text_view.buffer.text.strip() != "") {
send_text();
}
return true;
}
if (keyval == Key.Escape) {
cancel_input();
}
return false;
}
}
}
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