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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-19 10:56:07 -05:00
OpenDiablo2/d2core/d2gui/widget.go
2020-06-25 17:28:48 -04:00

155 lines
3.0 KiB
Go

package d2gui
import (
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2input"
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
)
type MouseHandler func(d2input.MouseEvent)
type MouseMoveHandler func(d2input.MouseMoveEvent)
type widget interface {
render(target d2render.Surface) error
advance(elapsed float64) error
onMouseMove(event d2input.MouseMoveEvent) bool
onMouseEnter(event d2input.MouseMoveEvent) bool
onMouseLeave(event d2input.MouseMoveEvent) bool
onMouseOver(event d2input.MouseMoveEvent) bool
onMouseButtonDown(event d2input.MouseEvent) bool
onMouseButtonUp(event d2input.MouseEvent) bool
onMouseButtonClick(event d2input.MouseEvent) bool
getPosition() (int, int)
setOffset(x, y int)
getSize() (int, int)
getLayer() int
isVisible() bool
isExpanding() bool
}
type widgetBase struct {
x int
y int
layer int
visible bool
expanding bool
offsetX int
offsetY int
mouseEnterHandler MouseMoveHandler
mouseLeaveHandler MouseMoveHandler
mouseClickHandler MouseHandler
}
func (w *widgetBase) SetPosition(x, y int) {
w.x = x
w.y = y
}
func (w *widgetBase) GetPosition() (int, int) {
return w.x, w.y
}
func (w *widgetBase) GetOffset() (int, int) {
return w.offsetX, w.offsetY
}
func (w *widgetBase) setOffset(x, y int) {
w.offsetX = x
w.offsetY = y
}
func (w *widgetBase) SetLayer(layer int) {
w.layer = layer
}
func (w *widgetBase) SetVisible(visible bool) {
w.visible = visible
}
func (w *widgetBase) SetExpanding(expanding bool) {
w.expanding = expanding
}
func (w *widgetBase) SetMouseEnterHandler(handler MouseMoveHandler) {
w.mouseEnterHandler = handler
}
func (w *widgetBase) SetMouseLeaveHandler(handler MouseMoveHandler) {
w.mouseLeaveHandler = handler
}
func (w *widgetBase) SetMouseClickHandler(handler MouseHandler) {
w.mouseClickHandler = handler
}
func (w *widgetBase) getPosition() (int, int) {
return w.x, w.y
}
func (w *widgetBase) getSize() (int, int) {
return 0, 0
}
func (w *widgetBase) getLayer() int {
return w.layer
}
func (w *widgetBase) isVisible() bool {
return w.visible
}
func (w *widgetBase) isExpanding() bool {
return w.expanding
}
func (w *widgetBase) render(target d2render.Surface) error {
return nil
}
func (w *widgetBase) advance(elapsed float64) error {
return nil
}
func (w *widgetBase) onMouseEnter(event d2input.MouseMoveEvent) bool {
if w.mouseEnterHandler != nil {
w.mouseEnterHandler(event)
}
return false
}
func (w *widgetBase) onMouseLeave(event d2input.MouseMoveEvent) bool {
if w.mouseLeaveHandler != nil {
w.mouseLeaveHandler(event)
}
return false
}
func (w *widgetBase) onMouseButtonClick(event d2input.MouseEvent) bool {
if w.mouseClickHandler != nil {
w.mouseClickHandler(event)
}
return false
}
func (w *widgetBase) onMouseMove(event d2input.MouseMoveEvent) bool {
return false
}
func (w *widgetBase) onMouseOver(event d2input.MouseMoveEvent) bool {
return false
}
func (w *widgetBase) onMouseButtonDown(event d2input.MouseEvent) bool {
return false
}
func (w *widgetBase) onMouseButtonUp(event d2input.MouseEvent) bool {
return false
}