private void UnListenPropertyChanged(EditorButton btn)
{
if (btn != null)
{
btn.PropertyChanged -= btn_PropertyChanged;
}
}
internal static Image GetImage(this EditorButton button)
{
if (button.Kind == ButtonPredefines.Glyph)
{
return(button.Image);
}
return(button.Kind.GetImage());
}
private static Rectangle GetTextRectangle(Button btn, EditorButton editorBtn)
{
//图片左右偏移量
var imageMargin = 1;
//文字高度偏移量
var textTopMargin = 0;
var width = editorBtn.CaptionSize.Width;
var height = editorBtn.CaptionSize.Height;
var top = (btn.ClientSize.Height - height) / 2 + textTopMargin;
var left = (btn.ClientSize.Width - width) / 2;
left = left < 0 ? 0 : left;
//减去图片后的剩余宽度
var residualWidth = width;
var btnImg = editorBtn.GetImage();
if (btnImg != null)
{
var imagePoint = btn.GetImageLocation(editorBtn.ImageAlign, btnImg);
switch (editorBtn.ImageAlign)
{
case ContentAlignment.BottomCenter:
case ContentAlignment.MiddleCenter:
case ContentAlignment.TopCenter:
left = top = width = height = residualWidth = 0;
break;
case ContentAlignment.BottomLeft:
case ContentAlignment.TopLeft:
case ContentAlignment.MiddleLeft:
left = btn.GetImageLocation(editorBtn.ImageAlign, btnImg).X + btnImg.Width + imageMargin;
//可用范围
residualWidth = btn.ClientSize.Width - (imagePoint.X + btnImg.Width);
break;
case ContentAlignment.BottomRight:
case ContentAlignment.TopRight:
case ContentAlignment.MiddleRight:
left = 0;
//可用范围
residualWidth = imagePoint.X - imageMargin;
break;
}
width = width > residualWidth ? residualWidth : width;
}
return(new Rectangle(left, top, width, height));
}
private Button FindButton(EditorButton button)
{
if (button == null)
{
return(null);
}
foreach (var kv in _innerButtons)
{
if (Equals(kv.Value, button))
{
return(kv.Key);
}
}
return(null);
}
private static void SyncEditorButtonProperties(EditorButton editorBtn, Button btn)
{
if (editorBtn != null && btn != null)
{
btn.Enabled = editorBtn.Enabled;
btn.Width = editorBtn.Width + btn.Padding.Left + btn.Padding.Right;
btn.Cursor = editorBtn.Cursor;
btn.Visible = editorBtn.Visible;
if (string.IsNullOrEmpty(editorBtn.Name))
{
editorBtn.Name = btn.Name;
}
else
{
btn.Name = editorBtn.Name;
}
}
}
/// <summary>
/// 初始化 <see cref="QGEditors.WinForms.ButtonPressedEventArgs" /> 类的新实例。
/// </summary>
/// <param name="button"><see cref="QGEditors.WinForms.EditorButton" />实例。</param>
public ButtonPressedEventArgs(EditorButton button)
{
Button = button;
}