Gtk4-tutorial/src/sec16.src.md

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# tfe5 source files
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## How to compile and execute the text editor 'tfe'.
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First, source files are shown in the later subsections.
How to download them is written at the end of the [previous section](sec15.src.md).
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The following is the instruction of compilation and execution.
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- You need meson and ninja.
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- Set environment variables if necessary.
If you have installed gtk4 from the source and you preferred the option `--prefix $HOME/local` (see [Section 2](sec2.src.md)), type `. env.sh` to set the environment variables.
~~~
$ . env.sh
~~~
- change your current directory to `src/tfe5` directory.
- type `meson _build` for configuration.
- type `ninja -C _build` for compilation.
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Then the application `tfe` is built under the `_build` directory.
- type `_build/tfe` to execute it.
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Then the window appears.
There are four buttons, `New`, `Open`, `Save` and `Close`.
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- Click on `Open` button, then a FileChooserDialog appears.
Choose a file in the list and click on `Open` button.
Then the file is read and a new Notebook Page appears.
- Edit the file and click on `Save` button, then the text is saved to the original file.
- Click `Close`, then the Notebook Page disappears.
- Click `Close` again, then the `Untitled` Notebook Page disappears and at the same time the application quits.
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This is a very simple editor.
It is a good practice for you to add more features.
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## meson.build
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@@@include
tfe5/meson.build
@@@
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## tfe.gresource.xml
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@@@include
tfe5/tfe.gresource.xml
@@@
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## tfe.ui
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@@@include
tfe5/tfe.ui
@@@
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## tfe.h
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@@@include
tfe5/tfe.h
@@@
## tfeapplication.c
@@@include
tfe5/tfeapplication.c
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## tfenotebook.h
@@@include
tfe5/tfenotebook.h
@@@
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## tfenotebook.c
@@@include
tfe5/tfenotebook.c
@@@
## tfetextview.h
@@@include
tfetextview/tfetextview.h
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## tfetextview.c
@@@include
tfetextview/tfetextview.c
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## Total number of lines, words and characters
@@@shell
LANG=C wc tfe5/meson.build tfe5/tfeapplication.c tfe5/tfe.gresource.xml tfe5/tfe.h tfe5/tfenotebook.c tfe5/tfenotebook.h tfetextview/tfetextview.c tfetextview/tfetextview.h tfe5/tfe.ui
@@@
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