talkatu/talkatu

Fix the input in the demo.
gtk4
2022-02-03, Gary Kramlich
1819a3f27516
Fix the input in the demo.

We had some over zealous can-focus's set to 0 which was the main issue. The
other stuff was just stuff to clean up I found along the way.

Testing Done:
Ran the demo verified I can input text. Sending is still broken but that's another matter entirely...

Reviewed at https://reviews.imfreedom.org/r/1283/
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk" version="4.0"/>
<template class="TalkatuScrolledWindow" parent="GtkWidget">
<child>
<object class="GtkScrolledWindow" id="scrolled_window">
<property name="vexpand">1</property>
<property name="focusable">1</property>
<property name="vadjustment">vadjustment</property>
<child>
<placeholder/>
</child>
</object>
</child>
</template>
<object class="GtkAdjustment" id="vadjustment">
<property name="upper">100</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
<signal name="changed" handler="talkatu_scrolled_window_vadjustment_changed_cb" object="TalkatuScrolledWindow" swapped="no"/>
<signal name="value-changed" handler="talkatu_scrolled_window_vadjustment_value_changed_cb" object="TalkatuScrolledWindow" swapped="no"/>
</object>
</interface>