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Liberty BASIC language (Moderator: Richard Russell)

Centering a window

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Topic: Centering a window (Read 184 times)

Alincon
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Posts: 147

Re: Centering a window
« Reply #2 on: Apr 5^th, 2017, 8:58pm »

If I change the window type from "dialog_modal" to "window" my program 'works'.
If I change the window type in your code from "window" to dialog_modal, it does not center, but does keep all the window in view.

r.m.

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Richard Russell
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Posts: 1348

Re: Centering a window
« Reply #3 on: Apr 5^th, 2017, 9:17pm »

on Apr 5^th, 2017, 8:58pm, Alincon wrote:

If I change the window type in your code from "window" to dialog_modal, it does not center, but does keep all the window in view.

To center a dialog window you must use a style bit:

Code:

    WindowWidth = 300
    WindowHeight = 300
    stylebits #w, _DS_CENTER, 0, 0, 0
    open "test" for dialog_modal as #w
    wait

Richard.

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tsh73
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Posts: 210

Re: Centering a window
« Reply #4 on: Apr 5^th, 2017, 9:22pm »

dialog modal is different beast
it is positioned based on parent window.
So uppertLeftX doesn't supposed to work (if only you position parent window first I think)

But there are stylebits.
Search on LB forum returned this:
Topic: Stylebit not working!

so
Code:

WindowWidth = 0.9*DisplayWidth  'gange this number, 0.9 1.0 1.1 ...

    UpperLeftX=Int((DisplayWidth-WindowWidth)/2)
print UpperLeftX

    UpperLeftY=Int((DisplayHeight-WindowHeight)/2)

'nomainwin
stylebits #main, _DS_CENTER, _WS_SYSMENU, 0, 0
    open "test" for dialog_modal as #main
    #main "trapclose [quit]"

wait

[quit]
    close #main
    end

EDIT
while I search Richard just *knows* ;)

« Last Edit: Apr 5^th, 2017, 9:23pm by tsh73 »

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