90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
package clui
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import (
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xs "github.com/huandu/xstrings"
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)
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/*
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Frame is a decorative control and container - frame with optional title.
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All area inside a frame is transparent. Frame can be used as spacer element
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- set border to BorderNone and use that control in any place where a spacer
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is required
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*/
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type Frame struct {
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BaseControl
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border BorderStyle
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children []Control
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pack PackType
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}
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/*
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NewFrame creates a new frame.
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view - is a View that manages the control
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parent - is container that keeps the control. The same View can be a view and a parent at the same time.
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width and heigth - are minimal size of the control.
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bs - type of border: no border, single or double.
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scale - the way of scaling the control when the parent is resized. Use DoNotScale constant if the
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control should keep its original size.
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*/
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func CreateFrame(parent Control, width, height int, bs BorderStyle, scale int) *Frame {
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f := new(Frame)
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if width == AutoSize {
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width = 5
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}
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if height == AutoSize {
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height = 3
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}
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f.SetSize(width, height)
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f.SetConstraints(width, height)
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f.border = bs
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f.parent = parent
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f.SetTabStop(false)
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f.scale = scale
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f.gapX, f.gapY = 0, 0
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if bs == BorderNone {
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f.padX, f.padY = 0, 0
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} else {
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f.padX, f.padY = 1, 1
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}
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if parent != nil {
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parent.AddChild(f)
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}
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return f
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}
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// Repaint draws the control on its View surface
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func (f *Frame) Draw() {
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PushAttributes()
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defer PopAttributes()
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if f.border == BorderNone {
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f.DrawChildren()
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return
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}
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x, y := f.Pos()
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w, h := f.Size()
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fg, bg := RealColor(f.fg, ColorViewText), RealColor(f.bg, ColorViewBack)
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SetTextColor(fg)
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SetBackColor(bg)
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DrawFrame(x, y, w, h, f.border)
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if f.title != "" {
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str := f.title
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raw := UnColorizeText(str)
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if xs.Len(raw) > w-2 {
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str = SliceColorized(str, 0, w-2-3) + "..."
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}
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DrawText(x+1, y, str)
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}
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f.DrawChildren()
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}
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