72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
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// 12 december 2015
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package ui
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import (
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"unsafe"
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)
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// #include "pkgui.h"
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import "C"
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// Form is a Control that holds a group of Controls vertically
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// with labels next to each. By default, each control has its
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// preferred height; if a control is marked "stretchy", it will take
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// whatever space is left over. If multiple controls are marked
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// stretchy, they will be given equal shares of the leftover space.
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// There can also be space between each control ("padding").
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type Form struct {
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ControlBase
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f *C.uiForm
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children []Control
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}
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// NewForm creates a new horizontal Form.
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func NewForm() *Form {
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f := new(Form)
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f.f = C.uiNewForm()
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f.ControlBase = NewControlBase(f, uintptr(unsafe.Pointer(f.f)))
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return f
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}
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// Destroy destroys the Form. If the Form has children,
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// Destroy calls Destroy on those Controls as well.
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func (f *Form) Destroy() {
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for len(f.children) != 0 {
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c := f.children[0]
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f.Delete(0)
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c.Destroy()
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}
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f.ControlBase.Destroy()
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}
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// Append adds the given control to the end of the Form.
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func (f *Form) Append(label string, child Control, stretchy bool) {
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clabel := C.CString(label)
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defer freestr(clabel)
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c := touiControl(child.LibuiControl())
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C.uiFormAppend(f.f, clabel, c, frombool(stretchy))
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f.children = append(f.children, child)
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}
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// Delete deletes the nth control of the Form.
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func (f *Form) Delete(n int) {
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f.children = append(f.children[:n], f.children[n + 1:]...)
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C.uiFormDelete(f.f, C.int(n))
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}
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// Padded returns whether there is space between each control
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// of the Form.
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func (f *Form) Padded() bool {
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return tobool(C.uiFormPadded(f.f))
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}
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// SetPadded controls whether there is space between each control
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// of the Form. The size of the padding is determined by the OS and
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// its best practices.
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func (f *Form) SetPadded(padded bool) {
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C.uiFormSetPadded(f.f, frombool(padded))
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}
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