pull out chat input into its own component, rename some stuff

components/chatinput.cpp

@@ -0,0 +1,53 @@
+#include "chatinput.hpp"
+
+ChatInput::ChatInput() {
+    get_style_context()->add_class("message-input");
+    set_propagate_natural_height(true);
+    set_min_content_height(20);
+    set_max_content_height(250);
+    set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+
+    // hack
+    auto cb = [this](GdkEventKey *e) -> bool {
+        return event(reinterpret_cast<GdkEvent *>(e));
+    };
+    m_textview.signal_key_press_event().connect(cb, false);
+    m_textview.set_hexpand(false);
+    m_textview.set_halign(Gtk::ALIGN_FILL);
+    m_textview.set_valign(Gtk::ALIGN_CENTER);
+    m_textview.set_wrap_mode(Gtk::WRAP_WORD_CHAR);
+    m_textview.show();
+    add(m_textview);
+}
+
+void ChatInput::InsertText(const Glib::ustring &text) {
+    GetBuffer()->insert_at_cursor(text);
+    m_textview.grab_focus();
+}
+
+Glib::RefPtr<Gtk::TextBuffer> ChatInput::GetBuffer() {
+    return m_textview.get_buffer();
+}
+
+// this isnt connected directly so that the chat window can handle stuff like the completer first
+bool ChatInput::ProcessKeyPress(GdkEventKey *event) {
+    if (event->keyval == GDK_KEY_Return) {
+        if (event->state & GDK_SHIFT_MASK)
+            return false;
+
+        auto buf = GetBuffer();
+        auto text = buf->get_text();
+        // sometimes a message thats just newlines can sneak in if you hold down enter
+        if (text.size() > 0 && !std::all_of(text.begin(), text.end(), [](gunichar c) -> bool { return c == gunichar('\n'); })) {
+            buf->set_text("");
+            m_signal_submit.emit(text);
+            return true;
+        }
+    }
+
+    return false;
+}
+
+ChatInput::type_signal_submit ChatInput::signal_submit() {
+    return m_signal_submit;
+}