Lucas de Vries
61 lines
1.4 KiB
ActionScript
61 lines
1.4 KiB
ActionScript
import elements.BaseGuiElement;
|
|
|
|
export GuiResizeHandle;
|
|
|
|
class GuiResizeHandle : BaseGuiElement {
|
|
IGuiElement@ element;
|
|
bool dragging = false;
|
|
vec2i startPos;
|
|
vec2i startSize;
|
|
vec2i minSize(0, 0);
|
|
vec2i maxSize(INT_MAX, INT_MAX);
|
|
SkinStyle style = SS_ResizeHandle;
|
|
|
|
GuiResizeHandle(IGuiElement@ ParentElement, Alignment@ Align, IGuiElement@ drag = null) {
|
|
super(ParentElement, Align);
|
|
if(drag !is null)
|
|
@element = drag;
|
|
else
|
|
@element = ParentElement;
|
|
updateAbsolutePosition();
|
|
}
|
|
|
|
bool onMouseEvent(const MouseEvent& event, IGuiElement@ source) override {
|
|
switch(event.type) {
|
|
case MET_Button_Down:
|
|
if(event.button == 0) {
|
|
dragging = true;
|
|
startPos = mousePos;
|
|
startSize = element.size;
|
|
return true;
|
|
}
|
|
break;
|
|
case MET_Button_Up:
|
|
if(event.button == 0) {
|
|
dragging = false;
|
|
return true;
|
|
}
|
|
break;
|
|
case MET_Moved:
|
|
if(dragging) {
|
|
vec2i diff = mousePos - startPos;
|
|
vec2i newSize = startSize + diff;
|
|
newSize.x = clamp(newSize.x, minSize.x, maxSize.x);
|
|
newSize.y = clamp(newSize.y, minSize.y, maxSize.y);
|
|
element.size = newSize;
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
return BaseGuiElement::onMouseEvent(event, source);
|
|
}
|
|
|
|
void draw() {
|
|
uint flags = SF_Normal;
|
|
if(dragging)
|
|
flags |= SF_Active;
|
|
skin.draw(style, flags, AbsolutePosition);
|
|
BaseGuiElement::draw();
|
|
}
|
|
};
|