4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 // Copyright (c) 2006 Novell, Inc.
26 // Jonathan Pobst (monkey@jpobst.com)
31 using System.Windows.Forms.VisualStyles;
33 namespace System.Windows.Forms
35 public sealed class CheckBoxRenderer
37 private static bool always_use_visual_styles = false;
39 #region Private Constructor
40 private CheckBoxRenderer () {}
43 #region Public Static Methods
44 public static void DrawCheckBox (Graphics g, Point glyphLocation, CheckBoxState state)
46 DrawCheckBox (g, glyphLocation, Rectangle.Empty, String.Empty, null, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, false, state);
49 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, bool focused, CheckBoxState state)
51 DrawCheckBox (g, glyphLocation, textBounds, checkBoxText, font, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, focused, state);
54 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, TextFormatFlags flags, bool focused, CheckBoxState state)
56 DrawCheckBox (g, glyphLocation, textBounds, checkBoxText, font, flags, null, Rectangle.Empty, focused, state);
59 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, Image image, Rectangle imageBounds, bool focused, CheckBoxState state)
61 DrawCheckBox (g, glyphLocation, textBounds, checkBoxText, font, TextFormatFlags.HorizontalCenter, image, imageBounds, focused, state);
64 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, TextFormatFlags flags, Image image, Rectangle imageBounds, bool focused, CheckBoxState state)
66 Rectangle bounds = new Rectangle (glyphLocation, GetGlyphSize (g, state));
68 if (Application.RenderWithVisualStyles || always_use_visual_styles == true) {
69 VisualStyleRenderer vsr = GetCheckBoxRenderer (state);
71 vsr.DrawBackground (g, bounds);
74 vsr.DrawImage (g, imageBounds, image);
77 ControlPaint.DrawFocusRectangle (g, textBounds);
79 if (checkBoxText != String.Empty)
80 if (state == CheckBoxState.CheckedDisabled || state == CheckBoxState.MixedDisabled || state == CheckBoxState.UncheckedDisabled)
81 TextRenderer.DrawText (g, checkBoxText, font, textBounds, SystemColors.GrayText, flags);
83 TextRenderer.DrawText (g, checkBoxText, font, textBounds, SystemColors.ControlText, flags);
86 case CheckBoxState.CheckedDisabled:
87 case CheckBoxState.MixedDisabled:
88 case CheckBoxState.MixedPressed:
89 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Inactive | ButtonState.Checked);
91 case CheckBoxState.CheckedHot:
92 case CheckBoxState.CheckedNormal:
93 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Checked);
95 case CheckBoxState.CheckedPressed:
96 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Pushed | ButtonState.Checked);
98 case CheckBoxState.MixedHot:
99 case CheckBoxState.MixedNormal:
100 ControlPaint.DrawMixedCheckBox (g, bounds, ButtonState.Checked);
102 case CheckBoxState.UncheckedDisabled:
103 case CheckBoxState.UncheckedPressed:
104 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Inactive);
106 case CheckBoxState.UncheckedHot:
107 case CheckBoxState.UncheckedNormal:
108 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Normal);
113 g.DrawImage (image, imageBounds);
116 ControlPaint.DrawFocusRectangle (g, textBounds);
118 if (checkBoxText != String.Empty)
119 TextRenderer.DrawText (g, checkBoxText, font, textBounds, SystemColors.ControlText, flags);
123 public static bool IsBackgroundPartiallyTransparent (CheckBoxState state)
125 if (!VisualStyleRenderer.IsSupported)
128 VisualStyleRenderer vsr = GetCheckBoxRenderer (state);
130 return vsr.IsBackgroundPartiallyTransparent ();
133 public static void DrawParentBackground (Graphics g, Rectangle bounds, Control childControl)
135 if (!VisualStyleRenderer.IsSupported)
138 VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedNormal);
140 vsr.DrawParentBackground (g, bounds, childControl);
143 public static Size GetGlyphSize (Graphics g, CheckBoxState state)
145 if (!VisualStyleRenderer.IsSupported)
146 return new Size (13, 13);
148 VisualStyleRenderer vsr = GetCheckBoxRenderer (state);
150 return vsr.GetPartSize (g, ThemeSizeType.Draw);
154 #region Private Static Methods
155 private static VisualStyleRenderer GetCheckBoxRenderer (CheckBoxState state)
158 case CheckBoxState.CheckedDisabled:
159 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedDisabled);
160 case CheckBoxState.CheckedHot:
161 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedHot);
162 case CheckBoxState.CheckedNormal:
163 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedNormal);
164 case CheckBoxState.CheckedPressed:
165 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedPressed);
166 case CheckBoxState.MixedDisabled:
167 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedDisabled);
168 case CheckBoxState.MixedHot:
169 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedHot);
170 case CheckBoxState.MixedNormal:
171 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedNormal);
172 case CheckBoxState.MixedPressed:
173 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedPressed);
174 case CheckBoxState.UncheckedDisabled:
175 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedDisabled);
176 case CheckBoxState.UncheckedHot:
177 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedHot);
178 case CheckBoxState.UncheckedNormal:
180 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedNormal);
181 case CheckBoxState.UncheckedPressed:
182 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedPressed);
187 #region Public Static Properties
188 public static bool RenderMatchingApplicationState {
189 get { return !always_use_visual_styles; }
190 set { always_use_visual_styles = !value; }