Robust Maliit Framework with crash fixes

This project is co‑authored by Qwen (mostly) and Gemini as the code reviewer. However, this is not vibe coding in any sense. Here is my workflow with the AIs:

1. AI analyze existing code
2. AI summarize its understanding
3. I verify or correct that understanding
4. I define the requirements or the bug
5. AI implements the solution
6. I get another AI (in this case Gemini) to review the changes, and I repeat this step back and forth several times
7. Finally, I make the final decision

However, if this AI‑assisted workflow isn't something you're comfortable with, you're welcome to skip it.

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Above is the ROBUST fork information. Below is the original README content:

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Maliit

Maliit provides a flexible and cross-platform input method framework. It has a plugin-based client-server architecture where applications act as clients and communicate with the Maliit server via input context plugins. The communication link currently uses D-Bus. Maliit is an open source framework (LGPL 2.1) with a production-quality keyboard plugin (LGPL 3.0).

Installing

Qt 5 must be installed to build the Maliit framework. At a terminal, run:

mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=/usr ..
make
make install

Running

Set Maliit as the Qt and GTK+ input context:

export QT_IM_MODULE=Maliit
export GTK_IM_MODULE=Maliit

Start the server:

maliit-server

Note that a compositing window manager and a D-Bus session bus are required to use Maliit.

Test with the provided example applications:

maliit-exampleapp-plainqt # for Qt
maliit-exampleapp-gtk2 # for Gtk2
maliit-exampleapp-gtk3 # for Gtk3

Double-tap on the input field, and an input method (usually a virtual keyboard) should be shown. Note that an input method plugin, such as the Maliit keyboard from the maliit-plugins package, must be installed for the example applications to work.

NETWORK TRANSPARENCY

On one computer run:

maliit-server -allow-anonymous -override-address tcp:host=xxx.xxx.xxx.xxx,port=yyyyy

Any valid dbus address is supported. Using -allow-anonymous must only be done on a trusted network. If using a method with authentication, the -allow-anonymous flag may be dropped.

On another computer:

MALIIT_SERVER_ADDRESS=tcp:host=xxx.xxx.xxx.xxx,port=yyyyy
export MALIIT_SERVER_ADDRESS
maliit-exampleapp-plainqt (or maliit-exampleapp-gtk{2,3})

Where xxx.xxx.xxx.xxx is IP address of computer where maliit-server is ran and yyyyy is port number < 65536.