52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
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// 30 july 2014
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package ui
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// Control represents a control.
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type Control interface {
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setParent(p *controlParent) // controlParent defined per-platform
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preferredSize(d *sizing) (width, height int)
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resize(x int, y int, width int, height int, d *sizing)
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nTabStops() int // used by the Windows backend
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// these are provided for Tab on Windows, where we have to show and hide the individual tab pages manually
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// if we ever get something like a SidebarStack of some sort, we'll need to implement this everywhere
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containerShow() // show if and only if programmer said to show
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containerHide() // hide regardless of whether programmer said to hide
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}
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type controlbase struct {
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fsetParent func(p *controlParent)
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fpreferredSize func(d *sizing) (width, height int)
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fresize func(x int, y int, width int, height int, d *sizing)
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fnTabStops func() int
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fcontainerShow func()
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fcontainerHide func()
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}
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// children should not use the same name as these, otherwise weird things will happen
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func (c *controlbase) setParent(p *controlParent) {
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c.fsetParent(p)
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}
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func (c *controlbase) preferredSize(d *sizing) (width, height int) {
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return c.fpreferredSize(d)
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}
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func (c *controlbase) resize(x int, y int, width int, height int, d *sizing) {
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c.fresize(x, y, width, height, d)
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}
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func (c *controlbase) nTabStops() int {
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return c.fnTabStops()
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}
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func (c *controlbase) containerShow() {
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c.fcontainerShow()
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}
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func (c *controlbase) containerHide() {
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c.fcontainerHide()
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}
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