Create ARCodeWidget and GeckoCodeWidget once on startup rather than
every time a game is launched or shutdown.
In addition to losing focus on the tab (since the previous widget and
tab no longer existed), the behavior prior to this commit could cause a
crash if the user initiated a game shutdown and then opened a code edit
window since the AR/GeckoCodeWidget would get deleted in the meantime.
At the end of each frame automatically update the Current Value for
visible table rows in the selected and visible CheatSearchWidget (if
any). Also update all Current Values in all CheatSearchWidgets when the
State changes to Paused.
Only updating visible table rows serves to minimize the performance cost
of this feature. If the user scrolls to an un-updated cell it will
promptly be updated by either the next VIEndFieldEvent or the State
transitioning to Paused.
SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.
The previous implementation of cheat search would reconvert the input
string for every single memory value. Now we do it once and construct
a comparison lambda which we pass to the search code.
In addition, I also added input validation. So, for example, if you've
selected Decimal input and you try to compare against "FF",
it won't search and will instead let the user know they've entered an
invalid value. Similar logic for if you enter "1.2" in a search for
bytes. Before, it would just use 0 if it failed to convert the value.
