Overview

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modGtk3 for Xojo

Modifies CSS and adjusts control sizes in Xojo apps deployed to Linux platforms to create a more native interface.

see https://forum.xojo.com/48126-gtk3-theming-modgtk3-resolves-layout-corruption-under-all-linux/last

Includes code from Jürg Otter, Jim McKay, and others (please add here).

Thanks to Tim Jones for starting the thread.

Getting started

Add the modGtk3 module to your Xojo app.

In the open event of the app object, add the following lines-

    modGTK3.initGtkEntryFix  // adjusts the char-widths property of GtkEntry to be 0
    modGTK3.initGtkWidgetHeightFix // adjusts all controls to be at least their minimum height
    modGTK3.InitGlobalGTK3Style  // various CSS tweaks to override theme CSS

modGtk3.kGlobalGTK3CSS contains the default CSS override.

Please feel free to expirement with modifications for specific platform combinations.

To include conditionals in the CSS:

Sections within '#IF' and '#END IF' will be removed if the conditions are not met

can be XOJO<|>[RBVersion] OS=[OS Name] RELEASE<|(!)=|>[Release number] DESKTOP(!)=[Desktop] SESSION(!)=[Session] or any combination

parsing is LTR with no nested logic (no parens)

example:

#IF XOJO<2018 AND OS=LinuxMint OR RELEASE>17 <--this will always pass if Release is above 17!

---a bunch of conditional CSS---

#END IF

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