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This patch tries to improve user experience when playing on Windows touchscreen devices (desktop Windows needed, Windows 8 RT is obviously not supported). For now, the focus is to achieve full comfortable playability on medium sized devices (10"+), smaller handheld tablets are not the priority.

(Planned) features:

• Two finger panning in viewports. DONE
• Tap-and-hold to open toolbar menus. DONE
• Hide mouse cursor when using only touch. NOT YET
• Two finger scrolling in scrollable lists. NOT YET
• Make UI elements bigger. NOT YET
• Improve on-screen keyboard. NOT YET

How to achieve best touchscreen experience (based on default settings):

• Get the "OpenGFX BigGUI 2.0.0" GRF.
• Increase font size at your own discretion (depends on screen size, about 50% bump works fine for me on a 13" screen).
• Enable "Advanced Settings -> Interface -> Touch -> Open toolbar menu on long tap".
• Increase "Advanced Settings -> Interface -> Interaction -> Map scrollwheel speed" to make the pich-to-zoom gesture more responsive (I like 10).
• Enable "Advanced Settings -> Interface -> Interaction -> Reverse scroll direction".

The patch is against trunk r26400. Windows Platform SDK for Windows 7 or newer is required for the touchscreen support to be included in a build.

I will provide binaries upon request.

I welcome any feedback!

You might want to co-ordinate with pelya, who created the unofficial Android port - the UI behaviour changes would be quite handy for that. Assuming you haven't done so already.

FLHerne wrote:You might want to co-ordinate with pelya[...]

and with me too (you can find me in the official IRC channel) as I'm still thinking about a good way to get rid of the CTRL key when on touch screen