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sample: fix CustomScrollable sample to prevent too high Upper values
Upper values having higher values than PageSize or PageIncrement cause rendering issues. This commit is a small adaptation of a fix from one of the edge cases pointed out in this commit in hyena: https://git.gnome.org/browse/hyena/commit/?h=gtk3&id=0745bfb75809886925dfa49a57c79e5f71565d08
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@ -184,6 +184,9 @@ class CustomScrollableWidget<T> : CustomBase, IScrollableImplementor {
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if (hadjustment.Value + hadjustment.PageSize > hadjustment.Upper) {
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if (hadjustment.Value + hadjustment.PageSize > hadjustment.Upper) {
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hadjustment.Value = hadjustment.Upper - hadjustment.PageSize;
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hadjustment.Value = hadjustment.Upper - hadjustment.PageSize;
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}
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}
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if (hadjustment.Upper > 0 && hadjustment.Upper < hadjustment.PageSize) {
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hadjustment.Upper = hadjustment.PageSize;
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}
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hadjustment.Change ();
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hadjustment.Change ();
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}
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}
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@ -193,6 +196,9 @@ class CustomScrollableWidget<T> : CustomBase, IScrollableImplementor {
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if (vadjustment.Value + vadjustment.PageSize > vadjustment.Upper) {
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if (vadjustment.Value + vadjustment.PageSize > vadjustment.Upper) {
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vadjustment.Value = vadjustment.Upper - vadjustment.PageSize;
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vadjustment.Value = vadjustment.Upper - vadjustment.PageSize;
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}
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}
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if (vadjustment.Upper > 0 && vadjustment.Upper < vadjustment.PageSize) {
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vadjustment.Upper = vadjustment.PageSize;
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}
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vadjustment.Change ();
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vadjustment.Change ();
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}
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}
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}
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}
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