mirror of
https://github.com/OpenDiablo2/OpenDiablo2
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122 lines
2.6 KiB
Go
122 lines
2.6 KiB
Go
package d2ui
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import (
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"image/color"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util"
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)
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const (
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white = 0xffffffff
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)
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// static checks to ensure LabelButton implemented Widget and ClickableWidget
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var _ Widget = &LabelButton{}
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var _ ClickableWidget = &LabelButton{}
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// LabelButton represents LabelButton
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type LabelButton struct {
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*BaseWidget
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stdColor color.Color
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hoverColor color.Color
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onClick func()
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label *Label
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*d2util.Logger
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}
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// NewLabelButton creates a label-button
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func (ui *UIManager) NewLabelButton(font, palette string) *LabelButton {
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base := NewBaseWidget(ui)
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base.SetVisible(true)
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result := &LabelButton{
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BaseWidget: base,
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stdColor: d2util.Color(white),
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}
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result.label = ui.NewLabel(font, palette)
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result.label.Alignment = HorizontalAlignCenter
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result.label.Color[0] = result.stdColor
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ui.addWidget(result)
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return result
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}
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// SetText sets button's text
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func (b *LabelButton) SetText(text string) {
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b.label.SetText(text)
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b.width, b.height = b.label.GetSize()
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}
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// SetColors sets label-button colors (on normal and hovered state)
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func (b *LabelButton) SetColors(normColor, hoverColor color.Color) {
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b.stdColor = normColor
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b.hoverColor = hoverColor
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}
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// GetSize returns label's size
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func (b *LabelButton) GetSize() (x, y int) {
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return b.label.GetSize()
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}
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// GetPosition returns real position (including offset for the alignment)
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func (b *LabelButton) GetPosition() (x, y int) {
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return b.x - b.label.getAlignOffset(b.width), b.y
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}
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// OnActivated defines the callback handler for the activate event
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func (b *LabelButton) OnActivated(cb func()) {
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b.onClick = cb
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}
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// Activate calls the on activated callback handler, if any
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func (b *LabelButton) Activate() {
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if b.onClick == nil {
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return
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}
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b.onClick()
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}
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// SetEnabled sets the enabled state
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func (b *LabelButton) SetEnabled(_ bool) {
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// noop
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}
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// GetEnabled returns the enabled state
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func (b *LabelButton) GetEnabled() bool {
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return true
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}
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// SetPressed sets the pressed state of the button
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func (b *LabelButton) SetPressed(_ bool) {
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// noop
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}
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// GetPressed returns the pressed state of the button
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func (b *LabelButton) GetPressed() bool {
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return false
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}
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// Advance advances the label-button
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func (b *LabelButton) Advance(_ float64) error {
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return nil
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}
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// Render renders label-button
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func (b *LabelButton) Render(target d2interface.Surface) {
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target.PushTranslation(b.GetPosition())
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defer target.Pop()
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b.label.Render(target)
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if b.isHovered() {
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b.label.Color[0] = b.hoverColor
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} else {
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b.label.Color[0] = b.stdColor
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}
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}
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