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Diffstat (limited to 'src/qtvstools.core/ImageButton.cs')
-rw-r--r-- | src/qtvstools.core/ImageButton.cs | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/qtvstools.core/ImageButton.cs b/src/qtvstools.core/ImageButton.cs new file mode 100644 index 00000000..23ab3ac7 --- /dev/null +++ b/src/qtvstools.core/ImageButton.cs @@ -0,0 +1,75 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt VS Tools. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +using System.Drawing; +using System.Windows.Forms; + +namespace QtVsTools.Core +{ + public class ImageButton : Button + { + private readonly Image img; + private readonly Image dimg; + + // support for disabled image + public ImageButton(Image image, Image dimage) + { + img = image; + dimg = dimage; + } + + public sealed override Color BackColor + { + get { return SystemColors.Control; } + } + + protected override void OnPaint(PaintEventArgs pevent) + { + base.OnPaint(pevent); + + var xoffset = (Size.Width - img.Width) / 2; + var yoffset = (Size.Height - img.Height) / 2; + var imgWidth = img.Width; + var imgHeight = img.Height; + + // make it smaller if necessary + if (xoffset < 0) + imgWidth = Size.Width; + if (yoffset < 0) + imgHeight = Size.Height; + + if ((dimg != null) && (!Enabled)) { + pevent.Graphics.DrawImage(dimg, xoffset, yoffset, + imgWidth, imgHeight); + } else if (img != null) { + pevent.Graphics.DrawImage(img, xoffset, yoffset, + imgWidth, imgHeight); + } + } + } +} |