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Diffstat (limited to 'source/ShiftUI/Internal/ButtonRenderer.cs')
| -rw-r--r-- | source/ShiftUI/Internal/ButtonRenderer.cs | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/source/ShiftUI/Internal/ButtonRenderer.cs b/source/ShiftUI/Internal/ButtonRenderer.cs new file mode 100644 index 0000000..a2e4237 --- /dev/null +++ b/source/ShiftUI/Internal/ButtonRenderer.cs @@ -0,0 +1,153 @@ +// +// ButtonRenderer.cs +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +// Copyright (c) 2006 Novell, Inc. +// +// Authors: +// Jonathan Pobst ([email protected]) +// + +using System.Drawing; +using ShiftUI.VisualStyles; +using System; + +namespace ShiftUI +{ + public sealed class ButtonRenderer + { + private static bool always_use_visual_styles = false; + + #region Private Constructor + private ButtonRenderer () { } + #endregion + + #region Public Static Methods + public static void DrawButton (Graphics g, Rectangle bounds, PushButtonState state) + { + DrawButton (g, bounds, String.Empty, null, TextFormatFlags.Default, null, Rectangle.Empty, false, state); + } + + public static void DrawButton (Graphics g, Rectangle bounds, bool focused, PushButtonState state) + { + DrawButton (g, bounds, String.Empty, null, TextFormatFlags.Default, null, Rectangle.Empty, focused, state); + } + + public static void DrawButton (Graphics g, Rectangle bounds, Image image, Rectangle imageBounds, bool focused, PushButtonState state) + { + DrawButton (g, bounds, String.Empty, null, TextFormatFlags.Default, image, imageBounds, focused, state); + } + + public static void DrawButton (Graphics g, Rectangle bounds, string buttonText, Font font, bool focused, PushButtonState state) + { + DrawButton (g, bounds, buttonText, font, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, focused, state); + } + + public static void DrawButton (Graphics g, Rectangle bounds, string buttonText, Font font, TextFormatFlags flags, bool focused, PushButtonState state) + { + DrawButton (g, bounds, buttonText, font, flags, null, Rectangle.Empty, focused, state); + } + + public static void DrawButton (Graphics g, Rectangle bounds, string buttonText, Font font, Image image, Rectangle imageBounds, bool focused, PushButtonState state) + { + DrawButton (g, bounds, buttonText, font, TextFormatFlags.HorizontalCenter, image, imageBounds, focused, state); + } + + public static void DrawButton (Graphics g, Rectangle bounds, string buttonText, Font font, TextFormatFlags flags, Image image, Rectangle imageBounds, bool focused, PushButtonState state) + { + if (Application.RenderWithVisualStyles || always_use_visual_styles == true) { + VisualStyleRenderer vsr = GetPushButtonRenderer (state); + + vsr.DrawBackground (g, bounds); + + if (image != null) + vsr.DrawImage (g, imageBounds, image); + } else { + if (state == PushButtonState.Pressed) + WidgetPaint.DrawButton (g, bounds, ButtonState.Pushed); + else + WidgetPaint.DrawButton (g, bounds, ButtonState.Normal); + + if (image != null) + g.DrawImage (image, imageBounds); + } + + Rectangle focus_rect = bounds; + focus_rect.Inflate (-3, -3); + + if (focused) + WidgetPaint.DrawFocusRectangle (g, focus_rect); + + if (buttonText != String.Empty) + if (state == PushButtonState.Disabled) + TextRenderer.DrawText (g, buttonText, font, focus_rect, SystemColors.GrayText, flags); + else + TextRenderer.DrawText (g, buttonText, font, focus_rect, SystemColors.ControlText, flags); + } + + public static bool IsBackgroundPartiallyTransparent (PushButtonState state) + { + if (!VisualStyleRenderer.IsSupported) + return false; + + VisualStyleRenderer vsr = GetPushButtonRenderer (state); + + return vsr.IsBackgroundPartiallyTransparent (); + } + + public static void DrawParentBackground (Graphics g, Rectangle bounds, Widget childControl) + { + if (!VisualStyleRenderer.IsSupported) + return; + + VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.Button.PushButton.Default); + + vsr.DrawParentBackground (g, bounds, childControl); + } + #endregion + + #region Private Static Methods + internal static VisualStyleRenderer GetPushButtonRenderer (PushButtonState state) + { + switch (state) { + case PushButtonState.Normal: + return new VisualStyleRenderer (VisualStyleElement.Button.PushButton.Normal); + case PushButtonState.Hot: + return new VisualStyleRenderer (VisualStyleElement.Button.PushButton.Hot); + case PushButtonState.Pressed: + return new VisualStyleRenderer (VisualStyleElement.Button.PushButton.Pressed); + case PushButtonState.Disabled: + return new VisualStyleRenderer (VisualStyleElement.Button.PushButton.Disabled); + case PushButtonState.Default: + default: + return new VisualStyleRenderer (VisualStyleElement.Button.PushButton.Default); + } + } + #endregion + + #region Public Static Properties + public static bool RenderMatchingApplicationState { + get { return !always_use_visual_styles; } + set { always_use_visual_styles = !value; } + } + #endregion + } +}
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