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// 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) 2007 Novell, Inc.
//
// Authors:
// Jonathan Pobst (monkey@jpobst.com)
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace System.Windows.Forms.Theming.Default
{
/// <summary>
/// Summary description for Button.
/// </summary>
internal class CheckBoxPainter
{
public CheckBoxPainter ()
{
}
protected SystemResPool ResPool { get { return ThemeEngine.Current.ResPool; } }
public void PaintCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, ElementState state, FlatStyle style, CheckState checkState)
{
switch (style) {
case FlatStyle.Standard:
case FlatStyle.System:
switch (state) {
case ElementState.Normal:
DrawNormalCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Hot:
DrawHotCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Pressed:
DrawPressedCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Disabled:
DrawDisabledCheckBox (g, bounds, backColor, foreColor, checkState);
break;
}
break;
case FlatStyle.Flat:
switch (state) {
case ElementState.Normal:
DrawFlatNormalCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Hot:
DrawFlatHotCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Pressed:
DrawFlatPressedCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Disabled:
DrawFlatDisabledCheckBox (g, bounds, backColor, foreColor, checkState);
break;
}
break;
case FlatStyle.Popup:
switch (state) {
case ElementState.Normal:
DrawPopupNormalCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Hot:
DrawPopupHotCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Pressed:
DrawPopupPressedCheckBox (g, bounds, backColor, foreColor, checkState);
break;
case ElementState.Disabled:
DrawPopupDisabledCheckBox (g, bounds, backColor, foreColor, checkState);
break;
}
break;
}
}
#region Standard
public virtual void DrawNormalCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
int check_box_visible_size = (bounds.Height > bounds.Width) ? bounds.Width : bounds.Height;
int x_pos = Math.Max (0, bounds.X + (bounds.Width / 2) - check_box_visible_size / 2);
int y_pos = Math.Max (0, bounds.Y + (bounds.Height / 2) - check_box_visible_size / 2);
Rectangle rect = new Rectangle (x_pos, y_pos, check_box_visible_size, check_box_visible_size);
g.FillRectangle (SystemBrushes.ControlLightLight, rect.X + 2, rect.Y + 2, rect.Width - 3, rect.Height - 3);
Pen pen = SystemPens.ControlDark;
g.DrawLine (pen, rect.X, rect.Y, rect.X, rect.Bottom - 2);
g.DrawLine (pen, rect.X + 1, rect.Y, rect.Right - 2, rect.Y);
pen = SystemPens.ControlDarkDark;
g.DrawLine (pen, rect.X + 1, rect.Y + 1, rect.X + 1, rect.Bottom - 3);
g.DrawLine (pen, rect.X + 2, rect.Y + 1, rect.Right - 3, rect.Y + 1);
pen = SystemPens.ControlLightLight;
g.DrawLine (pen, rect.Right - 1, rect.Y, rect.Right - 1, rect.Bottom - 1);
g.DrawLine (pen, rect.X, rect.Bottom - 1, rect.Right - 1, rect.Bottom - 1);
// oh boy, matching ms is like fighting against windmills
using (Pen h_pen = new Pen (ResPool.GetHatchBrush (HatchStyle.Percent50,
Color.FromArgb (Clamp (ColorControl.R + 3, 0, 255),
ColorControl.G, ColorControl.B), ColorControl))) {
g.DrawLine (h_pen, rect.X + 1, rect.Bottom - 2, rect.Right - 2, rect.Bottom - 2);
g.DrawLine (h_pen, rect.Right - 2, rect.Y + 1, rect.Right - 2, rect.Bottom - 2);
}
if (state == CheckState.Checked)
DrawCheck (g, bounds, Color.Black);
else if (state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDark);
}
public virtual void DrawHotCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
DrawNormalCheckBox (g, bounds, backColor, foreColor, state);
}
public virtual void DrawPressedCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
int check_box_visible_size = (bounds.Height > bounds.Width) ? bounds.Width : bounds.Height;
int x_pos = Math.Max (0, bounds.X + (bounds.Width / 2) - check_box_visible_size / 2);
int y_pos = Math.Max (0, bounds.Y + (bounds.Height / 2) - check_box_visible_size / 2);
Rectangle rect = new Rectangle (x_pos, y_pos, check_box_visible_size, check_box_visible_size);
g.FillRectangle (ResPool.GetHatchBrush (HatchStyle.Percent50,
Color.FromArgb (Clamp (ColorControl.R + 3, 0, 255),
ColorControl.G, ColorControl.B),
ColorControl), rect.X + 2, rect.Y + 2, rect.Width - 3, rect.Height - 3);
Pen pen = SystemPens.ControlDark;
g.DrawLine (pen, rect.X, rect.Y, rect.X, rect.Bottom - 2);
g.DrawLine (pen, rect.X + 1, rect.Y, rect.Right - 2, rect.Y);
pen = SystemPens.ControlDarkDark;
g.DrawLine (pen, rect.X + 1, rect.Y + 1, rect.X + 1, rect.Bottom - 3);
g.DrawLine (pen, rect.X + 2, rect.Y + 1, rect.Right - 3, rect.Y + 1);
pen = SystemPens.ControlLightLight;
g.DrawLine (pen, rect.Right - 1, rect.Y, rect.Right - 1, rect.Bottom - 1);
g.DrawLine (pen, rect.X, rect.Bottom - 1, rect.Right - 1, rect.Bottom - 1);
// oh boy, matching ms is like fighting against windmills
using (Pen h_pen = new Pen (ResPool.GetHatchBrush (HatchStyle.Percent50,
Color.FromArgb (Clamp (ColorControl.R + 3, 0, 255),
ColorControl.G, ColorControl.B), ColorControl))) {
g.DrawLine (h_pen, rect.X + 1, rect.Bottom - 2, rect.Right - 2, rect.Bottom - 2);
g.DrawLine (h_pen, rect.Right - 2, rect.Y + 1, rect.Right - 2, rect.Bottom - 2);
}
if (state == CheckState.Checked)
DrawCheck (g, bounds, Color.Black);
else if (state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDarkDark);
}
public virtual void DrawDisabledCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
DrawPressedCheckBox (g, bounds, backColor, foreColor, CheckState.Unchecked);
if (state == CheckState.Checked || state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDark);
}
#endregion
#region FlatStyle
public virtual void DrawFlatNormalCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
Rectangle checkbox_rectangle;
Rectangle fill_rectangle;
// set up our rectangles first
// clip two pixels from bottom right for non popup rendered checkboxes
checkbox_rectangle = new Rectangle (bounds.X, bounds.Y, Math.Max (bounds.Width - 2, 0), Math.Max (bounds.Height - 2, 0));
fill_rectangle = new Rectangle (checkbox_rectangle.X + 1, checkbox_rectangle.Y + 1, Math.Max (checkbox_rectangle.Width - 2, 0), Math.Max (checkbox_rectangle.Height - 2, 0));
g.FillRectangle (ResPool.GetSolidBrush (ControlPaint.LightLight (backColor)), fill_rectangle);
ControlPaint.DrawBorder (g, checkbox_rectangle, foreColor, ButtonBorderStyle.Solid);
bounds.Offset (-1, 0);
if (state == CheckState.Checked)
DrawCheck (g, bounds, Color.Black);
else if (state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDarkDark);
}
public virtual void DrawFlatHotCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
Rectangle checkbox_rectangle;
Rectangle fill_rectangle;
// set up our rectangles first
// clip two pixels from bottom right for non popup rendered checkboxes
checkbox_rectangle = new Rectangle (bounds.X, bounds.Y, Math.Max (bounds.Width - 2, 0), Math.Max (bounds.Height - 2, 0));
fill_rectangle = new Rectangle (checkbox_rectangle.X + 1, checkbox_rectangle.Y + 1, Math.Max (checkbox_rectangle.Width - 2, 0), Math.Max (checkbox_rectangle.Height - 2, 0));
g.FillRectangle (ResPool.GetSolidBrush (backColor), fill_rectangle);
ControlPaint.DrawBorder (g, checkbox_rectangle, foreColor, ButtonBorderStyle.Solid);
bounds.Offset (-1, 0);
if (state == CheckState.Checked)
DrawCheck (g, bounds, Color.Black);
else if (state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDarkDark);
}
public virtual void DrawFlatPressedCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
DrawFlatNormalCheckBox (g, bounds, backColor, foreColor, state);
}
public virtual void DrawFlatDisabledCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
Rectangle checkbox_rectangle;
checkbox_rectangle = new Rectangle (bounds.X, bounds.Y, Math.Max (bounds.Width - 2, 0), Math.Max (bounds.Height - 2, 0));
ControlPaint.DrawBorder (g, checkbox_rectangle, foreColor, ButtonBorderStyle.Solid);
bounds.Offset (-1, 0);
if (state == CheckState.Checked || state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDarkDark);
}
#endregion
#region Popup
public virtual void DrawPopupNormalCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
DrawFlatNormalCheckBox (g, bounds, backColor, foreColor, state);
}
public virtual void DrawPopupHotCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
Rectangle checkbox_rectangle;
Rectangle fill_rectangle;
// clip one pixel from bottom right for non popup rendered checkboxes
checkbox_rectangle = new Rectangle (bounds.X, bounds.Y, Math.Max (bounds.Width - 1, 0), Math.Max (bounds.Height - 1, 0));
fill_rectangle = new Rectangle (checkbox_rectangle.X + 1, checkbox_rectangle.Y + 1, Math.Max (checkbox_rectangle.Width - 3, 0), Math.Max (checkbox_rectangle.Height - 3, 0));
g.FillRectangle (ResPool.GetSolidBrush (ControlPaint.LightLight (backColor)), fill_rectangle);
// draw sunken effect
ThemeEngine.Current.CPDrawBorder3D (g, checkbox_rectangle, Border3DStyle.SunkenInner, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom, backColor);
bounds.Offset (-1, 0);
if (state == CheckState.Checked)
DrawCheck (g, bounds, Color.Black);
else if (state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDarkDark);
}
public virtual void DrawPopupPressedCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
Rectangle checkbox_rectangle;
Rectangle fill_rectangle;
// clip one pixel from bottom right for non popup rendered checkboxes
checkbox_rectangle = new Rectangle (bounds.X, bounds.Y, Math.Max (bounds.Width - 1, 0), Math.Max (bounds.Height - 1, 0));
fill_rectangle = new Rectangle (checkbox_rectangle.X + 1, checkbox_rectangle.Y + 1, Math.Max (checkbox_rectangle.Width - 3, 0), Math.Max (checkbox_rectangle.Height - 3, 0));
g.FillRectangle (ResPool.GetSolidBrush (backColor), fill_rectangle);
// draw sunken effect
ThemeEngine.Current.CPDrawBorder3D (g, checkbox_rectangle, Border3DStyle.SunkenInner, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom, backColor);
bounds.Offset (-1, 0);
if (state == CheckState.Checked)
DrawCheck (g, bounds, Color.Black);
else if (state == CheckState.Indeterminate)
DrawCheck (g, bounds, SystemColors.ControlDarkDark);
}
public virtual void DrawPopupDisabledCheckBox (Graphics g, Rectangle bounds, Color backColor, Color foreColor, CheckState state)
{
DrawFlatDisabledCheckBox (g, bounds, backColor, foreColor, state);
}
#endregion
#region Check
public virtual void DrawCheck (Graphics g, Rectangle bounds, Color checkColor)
{
int check_size = (bounds.Height > bounds.Width) ? bounds.Width / 2 : bounds.Height / 2;
Pen check_pen = ResPool.GetPen (checkColor);
if (check_size < 7) {
int lineWidth = Math.Max (3, check_size / 3);
int Scale = Math.Max (1, check_size / 9);
Rectangle rect = new Rectangle (bounds.X + (bounds.Width / 2) - (check_size / 2) - 1, bounds.Y + (bounds.Height / 2) - (check_size / 2) - 1,
check_size, check_size);
for (int i = 0; i < lineWidth; i++) {
g.DrawLine (check_pen, rect.Left + lineWidth / 2, rect.Top + lineWidth + i, rect.Left + lineWidth / 2 + 2 * Scale, rect.Top + lineWidth + 2 * Scale + i);
g.DrawLine (check_pen, rect.Left + lineWidth / 2 + 2 * Scale, rect.Top + lineWidth + 2 * Scale + i, rect.Left + lineWidth / 2 + 6 * Scale, rect.Top + lineWidth - 2 * Scale + i);
}
} else {
int lineWidth = Math.Max (3, check_size / 3) + 1;
int x_half = bounds.Width / 2;
int y_half = bounds.Height / 2;
Rectangle rect = new Rectangle (bounds.X + x_half - (check_size / 2) - 1, bounds.Y + y_half - (check_size / 2),
check_size, check_size);
int gradient_left = check_size / 3;
int gradient_right = check_size - gradient_left - 1;
for (int i = 0; i < lineWidth; i++) {
g.DrawLine (check_pen, rect.X, rect.Bottom - 1 - gradient_left - i, rect.X + gradient_left, rect.Bottom - 1 - i);
g.DrawLine (check_pen, rect.X + gradient_left, rect.Bottom - 1 - i, rect.Right - 1, rect.Bottom - i - 1 - gradient_right);
}
}
}
#endregion
#region Private Methods
private int Clamp (int value, int lower, int upper)
{
if (value < lower) return lower;
else if (value > upper) return upper;
else return value;
}
private Color ColorControl {
get { return SystemColors.Control; }
}
#endregion
}
}
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