mirror of https://github.com/anoshenko/rui.git
88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
package rui
|
|
|
|
// ResizeEvent is the constant for "resize-event" property tag.
|
|
//
|
|
// Used by `View`.
|
|
// Is fired when the view changes its size.
|
|
//
|
|
// General listener format:
|
|
// `func(view rui.View, frame rui.Frame)`.
|
|
//
|
|
// where:
|
|
// view - Interface of a view which generated this event,
|
|
// frame - New offset and size of the view's visible area.
|
|
//
|
|
// Allowed listener formats:
|
|
// `func(frame rui.Frame)`,
|
|
// `func(view rui.View)`,
|
|
// `func()`.
|
|
const ResizeEvent PropertyName = "resize-event"
|
|
|
|
func (view *viewData) onResize(self View, x, y, width, height float64) {
|
|
view.frame.Left = x
|
|
view.frame.Top = y
|
|
view.frame.Width = width
|
|
view.frame.Height = height
|
|
for _, listener := range GetResizeListeners(view) {
|
|
listener(self, view.frame)
|
|
}
|
|
}
|
|
|
|
func (view *viewData) onItemResize(self View, index string, x, y, width, height float64) {
|
|
}
|
|
|
|
/*
|
|
func setFrameListener(properties Properties, tag PropertyName, value any) bool {
|
|
if listeners, ok := valueToOneArgEventListeners[View, Frame](value); ok {
|
|
if len(listeners) == 0 {
|
|
properties.setRaw(tag, nil)
|
|
} else {
|
|
properties.setRaw(tag, listeners)
|
|
}
|
|
return true
|
|
}
|
|
notCompatibleType(tag, value)
|
|
return false
|
|
}
|
|
*/
|
|
|
|
func (view *viewData) setNoResizeEvent() {
|
|
view.noResizeEvent = true
|
|
}
|
|
|
|
func (view *viewData) isNoResizeEvent() bool {
|
|
return view.noResizeEvent
|
|
}
|
|
|
|
func (container *viewsContainerData) isNoResizeEvent() bool {
|
|
if container.noResizeEvent {
|
|
return true
|
|
}
|
|
|
|
if parent := container.Parent(); parent != nil {
|
|
return parent.isNoResizeEvent()
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (view *viewData) Frame() Frame {
|
|
return view.frame
|
|
}
|
|
|
|
// GetViewFrame returns the size and location of view's viewport.
|
|
// If the second argument (subviewID) is not specified or it is "" then the value of the first argument (view) is returned
|
|
func GetViewFrame(view View, subviewID ...string) Frame {
|
|
view = getSubview(view, subviewID)
|
|
if view == nil {
|
|
return Frame{}
|
|
}
|
|
return view.Frame()
|
|
}
|
|
|
|
// GetResizeListeners returns the list of "resize-event" listeners. If there are no listeners then the empty list is returned
|
|
// If the second argument (subviewID) is not specified or it is "" then the listeners list of the first argument (view) is returned
|
|
func GetResizeListeners(view View, subviewID ...string) []func(View, Frame) {
|
|
return getOneArgEventListeners[View, Frame](view, subviewID, ResizeEvent)
|
|
}
|