[Github-comments] [geany/geany-plugins] treebrowser: fixed deprecated gtk calls for gtk3 (#864)

[LarsGit223]

Apart from fixing a load of deprecation warnings on gtk3 this also fixes two gtk3 related problems in the treebrowser plugin:
- lines in the Treeview had a red color - now they are black like under gtk2
- the text field turned red if the path entered wasn't a valid directory - this did not work under gtk3 before but now it works

The gtk2 behavior is unchanged and there are also no functional changes.

If this get's merged PR #279 would become needless and could be closed un-merged.
You can view, comment on, or merge this pull request online at:

  https://github.com/geany/geany-plugins/pull/864

-- Commit Summary --

  * treebrowser: fixed deprecated gtk calls for gtk3

-- File Changes --

    M build/treebrowser.m4 (2)
    M treebrowser/src/Makefile.am (6)
    M treebrowser/src/treebrowser.c (237)

-- Patch Links --

https://github.com/geany/geany-plugins/pull/864.patch
https://github.com/geany/geany-plugins/pull/864.diff

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