mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-11-18 02:16:23 -05:00
124 lines
2.7 KiB
Go
124 lines
2.7 KiB
Go
package d2ui
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import (
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
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)
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// static check that Checkbox implements ClickableWidget
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var _ ClickableWidget = &Checkbox{}
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// Checkbox represents a checkbox UI element
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type Checkbox struct {
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*BaseWidget
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Image d2interface.Surface
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checkedImage d2interface.Surface
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onClick func()
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checkState bool
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enabled bool
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}
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// NewCheckbox creates a new instance of a checkbox
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func (ui *UIManager) NewCheckbox(checkState bool) *Checkbox {
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var err error
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base := NewBaseWidget(ui)
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result := &Checkbox{
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BaseWidget: base,
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checkState: checkState,
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enabled: true,
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}
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checkboxSprite, err := ui.NewSprite(d2resource.Checkbox, d2resource.PaletteFechar)
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if err != nil {
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ui.Error(err.Error())
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return nil
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}
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result.width, result.height, err = checkboxSprite.GetFrameSize(0)
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if err != nil {
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ui.Error(err.Error())
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return nil
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}
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checkboxSprite.SetPosition(0, 0)
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result.Image = ui.renderer.NewSurface(result.width, result.height)
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checkboxSprite.RenderSegmented(result.Image, 1, 1, 0)
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result.checkedImage = ui.renderer.NewSurface(result.width, result.height)
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checkboxSprite.RenderSegmented(result.checkedImage, 1, 1, 1)
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ui.addWidget(result)
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return result
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}
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// Render renders the checkbox
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func (v *Checkbox) Render(target d2interface.Surface) {
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target.PushTranslation(v.x, v.y)
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defer target.Pop()
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target.PushFilter(d2enum.FilterNearest)
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defer target.Pop()
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if v.checkState {
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target.Render(v.checkedImage)
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} else {
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target.Render(v.Image)
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}
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}
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// Advance does nothing for checkboxes
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func (v *Checkbox) Advance(_ float64) error {
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return nil
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}
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// GetEnabled returns the enabled state of the checkbox
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func (v *Checkbox) GetEnabled() bool {
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return v.enabled
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}
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// SetEnabled sets the enabled state of the checkbox
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func (v *Checkbox) SetEnabled(enabled bool) {
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v.enabled = enabled
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}
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// SetPressed does nothing for checkboxes
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func (v *Checkbox) SetPressed(_ bool) {
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}
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// SetCheckState sets the check state of the checkbox
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func (v *Checkbox) SetCheckState(checkState bool) {
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v.checkState = checkState
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}
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// GetCheckState returns the check state of the checkbox
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func (v *Checkbox) GetCheckState() bool {
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return v.checkState
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}
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// GetPressed returns the pressed state of the checkbox
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func (v *Checkbox) GetPressed() bool {
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return v.checkState
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}
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// OnActivated sets the callback function of the click event for the checkbox
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func (v *Checkbox) OnActivated(callback func()) {
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v.onClick = callback
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}
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// Activate activates the checkbox
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func (v *Checkbox) Activate() {
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v.checkState = !v.checkState
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if v.onClick == nil {
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return
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}
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v.onClick()
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}
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