60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
/*
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Copyright © Brian Buller <brian@bullercodeworks.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package widgets
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type LayoutFlag int
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// Alignment Flags
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// The default should be fully centered
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const (
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_ = LayoutFlag(iota)
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LFAlignHLeft // 01
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LFAlignHRight // 10
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LFAlignHCenter // 11
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LFAlignH = LayoutFlag(0x11)
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)
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const (
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_ = LayoutFlag(iota << 2)
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LFAlignVTop // 0100
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LFAlignVBottom // 1000
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LFAlignVCenter // 1100
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LFAlignV = LayoutFlag(0x1100)
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)
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func (f LayoutFlag) Add(fl LayoutFlag) { f |= fl }
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func (f LayoutFlag) AlignH() LayoutFlag { return f & LFAlignH }
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func (f LayoutFlag) AlignV() LayoutFlag { return f & LFAlignV }
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func (f LayoutFlag) IsAlignH() bool { return f.AlignH() > 0 }
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func (f LayoutFlag) IsAlignV() bool { return f.AlignV() > 0 }
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func (f LayoutFlag) ClearAlignH() {
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f = f &^ LFAlignH
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f.Add(LFAlignHCenter)
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}
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func (f LayoutFlag) ClearAlignV() {
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f = f &^ LFAlignV
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f.Add(LFAlignVCenter)
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}
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