//---------------------------------------------------------------------------------------------
//
// Process Input
//
// check witch point of selected widget will be dragged etc.
//
//---------------------------------------------------------------------------------------------
void ProcessInput()
{
Event e = Event.current;
if (e.type == EventType.ScrollWheel)
{
// Zoom
if (e.delta.y > 0.0f)
{
m_ZoomFactor -= 0.1f;
}
else if (e.delta.y < 0.0f)
{
m_ZoomFactor += 0.1f;
}
m_ZoomFactor = Mathf.Clamp(m_ZoomFactor, GUIEditorUtils.MIN_SCALE_FACTOR, GUIEditorUtils.MAX_SCALE_FACTOR);
// Pan with "horizontal" wheel
float pan = e.delta.x * GUIEditorUtils.WHEEL_PAN_MULTIPLICATOR / m_ZoomFactor;
SetPlatformShift(new Vector2(m_PlatformShift.x + pan, m_PlatformShift.y));
}
else if (e.type == EventType.MouseDown && SecondaryButtons.Contains(e.button))
{
// pan
m_Pan = true;
m_DragOrig = m_PlatformShift;
m_DragMouse = Event.current.mousePosition;
}
else if (e.type == EventType.MouseUp && SecondaryButtons.Contains(e.button))
{
m_Pan = false;
}
// Pan ?
else if (m_Pan && (e.type == EventType.MouseDrag) && SecondaryButtons.Contains(e.button))
{
if (m_TexturePosPrepared)
{
Vector2 mouseDelta = new Vector2();
mouseDelta = Event.current.mousePosition - m_DragMouse;
mouseDelta /= m_ZoomFactor;
mouseDelta.x /= m_TextureSize.x;
mouseDelta.y /= m_TextureSize.y;
SetPlatformShift(m_DragOrig + mouseDelta);
}
}
else if (e.type == EventType.MouseDown && e.button == PrimaryButton)
{
m_MouseDown = true;
// Select vertex of edited rectangle?
if (m_TexturePosPrepared)
{
Vector2 mousePos = Event.current.mousePosition;
if (mousePos.x >= m_TexturePos.x && mousePos.y >= m_TexturePos.y)
{
Vector2 pos = new Vector2(m_TexturePos.x + m_EditedArea.Area.x * m_ZoomFactor, m_TexturePos.y + m_EditedArea.Area.y * m_ZoomFactor);
pos.x += m_TextureSize.x * m_ZoomFactor * m_PlatformShift.x;
pos.y += m_TextureSize.y * m_ZoomFactor * m_PlatformShift.y;
if (GUIEditorUtils.IsPointTouched(mousePos, pos, 0, 0, m_PointSize * 0.5f))
{
m_SelectedPointIdx = 0;
Undo.RecordObject(m_SelectedWidget, "Edit UV");
}
else if (GUIEditorUtils.IsPointTouched(mousePos, pos, m_EditedArea.Area.width * m_ZoomFactor, 0, m_PointSize * 0.5f))
{
m_SelectedPointIdx = 1;
Undo.RecordObject(m_SelectedWidget, "Edit UV");
}
else if (GUIEditorUtils.IsPointTouched(mousePos, pos, m_EditedArea.Area.width * m_ZoomFactor, m_EditedArea.Area.height * m_ZoomFactor, m_PointSize * 0.5f))
{
m_SelectedPointIdx = 2;
Undo.RecordObject(m_SelectedWidget, "Edit UV");
}
else if (GUIEditorUtils.IsPointTouched(mousePos, pos, 0, m_EditedArea.Area.height * m_ZoomFactor, m_PointSize * 0.5f))
{
m_SelectedPointIdx = 3;
Undo.RecordObject(m_SelectedWidget, "Edit UV");
}
else
{
m_SelectedPointIdx = -1;
//Debug.Log(mousePos.x);
// Move with whole widget ?
float minX = Mathf.Min(pos.x, pos.x + m_EditedArea.Area.width * m_ZoomFactor);
float minY = Mathf.Min(pos.y, pos.y + m_EditedArea.Area.height * m_ZoomFactor);
if ((mousePos.x >= minX) &&
(mousePos.y >= minY) &&
(mousePos.x < (minX + Mathf.Abs(m_EditedArea.Area.width) * m_ZoomFactor)) &&
(mousePos.y < (minY + Mathf.Abs(m_EditedArea.Area.height) * m_ZoomFactor)))
{
//Debug.Log("mouse = "+ mousePos.x + ", minX = " + minX);
m_WidgetDrag = true;
m_DragOrig.x = m_EditedArea.Area.x;
m_DragOrig.y = m_EditedArea.Area.y;
m_DragMouse = mousePos;
}
}
}
}
}
else if (e.type == EventType.MouseUp && e.button == PrimaryButton)
{
m_MouseDown = false;
m_SelectedPointIdx = -1;
m_TexturePosPrepared = false;
m_Pan = false;
m_WidgetDrag = false;
}
else
{
// movement with widget ?
if (m_WidgetDrag)
{
Vector2 mouseDelta = new Vector2();
mouseDelta = Event.current.mousePosition - m_DragMouse;
mouseDelta /= m_ZoomFactor;
m_EditedArea.Area.x = m_DragOrig.x + mouseDelta.x;
m_EditedArea.Area.y = m_DragOrig.y + mouseDelta.y;
EditorUtility.SetDirty(m_SelectedWidget);
}
}
}
