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)
30 using System.Windows.Forms.VisualStyles;
32 namespace System.Windows.Forms
37 sealed class CheckBoxRenderer
39 private static bool always_use_visual_styles = false;
41 #region Private Constructor
42 private CheckBoxRenderer () {}
45 #region Public Static Methods
46 public static void DrawCheckBox (Graphics g, Point glyphLocation, CheckBoxState state)
48 DrawCheckBox (g, glyphLocation, Rectangle.Empty, String.Empty, null, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, false, state);
51 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, bool focused, CheckBoxState state)
53 DrawCheckBox (g, glyphLocation, textBounds, checkBoxText, font, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, focused, state);
56 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, TextFormatFlags flags, bool focused, CheckBoxState state)
58 DrawCheckBox (g, glyphLocation, textBounds, checkBoxText, font, flags, null, Rectangle.Empty, focused, state);
61 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, Image image, Rectangle imageBounds, bool focused, CheckBoxState state)
63 DrawCheckBox (g, glyphLocation, textBounds, checkBoxText, font, TextFormatFlags.HorizontalCenter, image, imageBounds, focused, state);
66 public static void DrawCheckBox (Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, TextFormatFlags flags, Image image, Rectangle imageBounds, bool focused, CheckBoxState state)
68 Rectangle bounds = new Rectangle (glyphLocation, GetGlyphSize (g, state));
70 if (Application.RenderWithVisualStyles || always_use_visual_styles == true) {
71 VisualStyleRenderer vsr = GetCheckBoxRenderer (state);
73 vsr.DrawBackground (g, bounds);
76 vsr.DrawImage (g, imageBounds, image);
79 ControlPaint.DrawFocusRectangle (g, textBounds);
81 if (checkBoxText != String.Empty)
82 if (state == CheckBoxState.CheckedDisabled || state == CheckBoxState.MixedDisabled || state == CheckBoxState.UncheckedDisabled)
83 TextRenderer.DrawText (g, checkBoxText, font, textBounds, SystemColors.GrayText, flags);
85 TextRenderer.DrawText (g, checkBoxText, font, textBounds, SystemColors.ControlText, flags);
88 case CheckBoxState.CheckedDisabled:
89 case CheckBoxState.MixedDisabled:
90 case CheckBoxState.MixedPressed:
91 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Inactive | ButtonState.Checked);
93 case CheckBoxState.CheckedHot:
94 case CheckBoxState.CheckedNormal:
95 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Checked);
97 case CheckBoxState.CheckedPressed:
98 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Pushed | ButtonState.Checked);
100 case CheckBoxState.MixedHot:
101 case CheckBoxState.MixedNormal:
102 ControlPaint.DrawMixedCheckBox (g, bounds, ButtonState.Checked);
104 case CheckBoxState.UncheckedDisabled:
105 case CheckBoxState.UncheckedPressed:
106 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Inactive);
108 case CheckBoxState.UncheckedHot:
109 case CheckBoxState.UncheckedNormal:
110 ControlPaint.DrawCheckBox (g, bounds, ButtonState.Normal);
115 g.DrawImage (image, imageBounds);
118 ControlPaint.DrawFocusRectangle (g, textBounds);
120 if (checkBoxText != String.Empty)
121 TextRenderer.DrawText (g, checkBoxText, font, textBounds, SystemColors.ControlText, flags);
125 public static bool IsBackgroundPartiallyTransparent (CheckBoxState state)
127 if (!VisualStyleRenderer.IsSupported)
130 VisualStyleRenderer vsr = GetCheckBoxRenderer (state);
132 return vsr.IsBackgroundPartiallyTransparent ();
135 public static void DrawParentBackground (Graphics g, Rectangle bounds, Control childControl)
137 if (!VisualStyleRenderer.IsSupported)
140 VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedNormal);
142 vsr.DrawParentBackground (g, bounds, childControl);
145 public static Size GetGlyphSize (Graphics g, CheckBoxState state)
147 if (!VisualStyleRenderer.IsSupported)
148 return new Size (13, 13);
150 VisualStyleRenderer vsr = GetCheckBoxRenderer (state);
152 return vsr.GetPartSize (g, ThemeSizeType.Draw);
156 #region Private Static Methods
157 private static VisualStyleRenderer GetCheckBoxRenderer (CheckBoxState state)
160 case CheckBoxState.CheckedDisabled:
161 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedDisabled);
162 case CheckBoxState.CheckedHot:
163 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedHot);
164 case CheckBoxState.CheckedNormal:
165 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedNormal);
166 case CheckBoxState.CheckedPressed:
167 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.CheckedPressed);
168 case CheckBoxState.MixedDisabled:
169 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedDisabled);
170 case CheckBoxState.MixedHot:
171 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedHot);
172 case CheckBoxState.MixedNormal:
173 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedNormal);
174 case CheckBoxState.MixedPressed:
175 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.MixedPressed);
176 case CheckBoxState.UncheckedDisabled:
177 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedDisabled);
178 case CheckBoxState.UncheckedHot:
179 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedHot);
180 case CheckBoxState.UncheckedNormal:
182 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedNormal);
183 case CheckBoxState.UncheckedPressed:
184 return new VisualStyleRenderer (VisualStyleElement.Button.CheckBox.UncheckedPressed);
189 #region Public Static Properties
190 public static bool RenderMatchingApplicationState {
191 get { return !always_use_visual_styles; }
192 set { always_use_visual_styles = !value; }