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Add WindowMinMaxSizeBehavior

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VitalickS
2017-09-09 11:53:21 +03:00
parent 2f9a52c0a2
commit 6d5f986a63
9 changed files with 287 additions and 11 deletions
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78
BrightSharp/Behaviors/WindowMinMaxSizeBehavior.cs Normal file
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@@ -0,0 +1,78 @@
using BrightSharp.Interop;
using BrightSharp.Interop.Constants;
using BrightSharp.Interop.Structures;
using System;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Interactivity;
using System.Windows.Interop;
namespace BrightSharp.Behaviors
{
public class WindowMinMaxSizeBehavior : Behavior<Window>
{
private HwndSource hwndSource;
protected override void OnAttached()
{
base.OnAttached();
AssociatedObject.SourceInitialized += AssociatedObject_SourceInitialized;
}
private void AssociatedObject_SourceInitialized(object sender, EventArgs e)
{
IntPtr handle = (new WindowInteropHelper(AssociatedObject)).Handle;
hwndSource = HwndSource.FromHwnd(handle);
hwndSource.AddHook(WindowProc);
}
protected override void OnDetaching()
{
AssociatedObject.SourceInitialized -= AssociatedObject_SourceInitialized;
if (hwndSource != null)
{
hwndSource.RemoveHook(WindowProc);
hwndSource.Dispose();
}
base.OnDetaching();
}
private IntPtr WindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
switch (msg)
{
case 0x0024:
WmGetMinMaxInfo(hwnd, lParam);
handled = true;
break;
}
return (IntPtr)0;
}
private void WmGetMinMaxInfo(IntPtr hwnd, IntPtr lParam)
{
var mmi = (MINMAXINFO)Marshal.PtrToStructure(lParam, typeof(MINMAXINFO));
// Adjust the maximized size and position to fit the work area of the correct monitor
IntPtr monitor = NativeMethods.MonitorFromWindow(hwnd, (int)MonitorFromWindowFlags.MONITOR_DEFAULTTONEAREST);
if (monitor != IntPtr.Zero)
{
var monitorInfo = new MONITORINFO();
NativeMethods.GetMonitorInfo(monitor, monitorInfo);
RECT rcWorkArea = monitorInfo.rcWork;
RECT rcMonitorArea = monitorInfo.rcMonitor;
mmi.ptMaxPosition.x = Math.Abs(rcWorkArea.Left - rcMonitorArea.Left);
mmi.ptMaxPosition.y = Math.Abs(rcWorkArea.Top - rcMonitorArea.Top);
mmi.ptMaxSize.x = Math.Abs(rcWorkArea.Right - rcWorkArea.Left);
mmi.ptMaxSize.y = Math.Abs(rcWorkArea.Bottom - rcWorkArea.Top);
mmi.ptMinTrackSize.x = (int)AssociatedObject.MinWidth;
mmi.ptMinTrackSize.y = (int)AssociatedObject.MinHeight;
}
Marshal.StructureToPtr(mmi, lParam, true);
}
}
}

4
BrightSharp/BrightSharp.csproj
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@@ -53,6 +53,7 @@
<ItemGroup>
<Compile Include="Behaviors\FiterGridTextBoxBehavior.cs" />
<Compile Include="Behaviors\SelectAllTextOnFocusBehavior.cs" />
<Compile Include="Behaviors\WindowMinMaxSizeBehavior.cs" />
<Compile Include="Commands\AsyncCommand.cs" />
<Compile Include="Commands\RelayCommand.cs" />
<Compile Include="Controls\PropertyGrid.cs" />
@@ -68,6 +69,9 @@
<Compile Include="Diagrams\Thumbs\ResizeThumb.cs" />
<Compile Include="Diagrams\Thumbs\RotateThumb.cs" />
<Compile Include="Extensions\WpfExtensions.cs" />
<Compile Include="Interop\Constants.cs" />
<Compile Include="Interop\NativeMethods.cs" />
<Compile Include="Interop\Structures.cs" />
<Compile Include="Themes\Theme.cs">
<DependentUpon>Theme.xaml</DependentUpon>
</Compile>

34
BrightSharp/Extensions/MarkupExtensionProperties.cs
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@@ -1,5 +1,9 @@
using System.Windows;
using BrightSharp.Behaviors;
using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Interactivity;
using System.Windows.Media;
namespace BrightSharp.Extensions
@@ -120,6 +124,16 @@ namespace BrightSharp.Extensions
obj.SetValue(SpecialBrushProperty, value);
}
public static bool GetUseMinMaxSizeBehavior(Window obj)
{
return (bool)obj.GetValue(UseMinMaxSizeBehaviorProperty);
}
public static void SetUseMinMaxSizeBehavior(Window obj, bool value)
{
obj.SetValue(UseMinMaxSizeBehaviorProperty, value);
}
public static readonly DependencyProperty SpecialBrushProperty = DependencyProperty.RegisterAttached("SpecialBrush", typeof(Brush), typeof(MarkupExtensionProperties), new PropertyMetadata(null));
public static readonly DependencyProperty IsDragHelperVisibleProperty = DependencyProperty.RegisterAttached("IsDragHelperVisible", typeof(bool), typeof(MarkupExtensionProperties), new FrameworkPropertyMetadata(true));
public static readonly DependencyProperty HeaderPaddingProperty = DependencyProperty.RegisterAttached("HeaderPadding", typeof(Thickness), typeof(MarkupExtensionProperties), new PropertyMetadata(null));
@@ -134,7 +148,23 @@ namespace BrightSharp.Extensions
public static readonly DependencyProperty HeaderHorizontalAlignmentProperty = DependencyProperty.RegisterAttached("HeaderHorizontalAlignment", typeof(HorizontalAlignment), typeof(MarkupExtensionProperties), new PropertyMetadata(HorizontalAlignment.Left));
public static readonly DependencyProperty SpecialHeightProperty = DependencyProperty.RegisterAttached("SpecialHeight", typeof(double), typeof(MarkupExtensionProperties), new FrameworkPropertyMetadata(0.0, FrameworkPropertyMetadataOptions.Inherits | FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.AffectsMeasure));
public static readonly DependencyProperty SpecialWidthProperty = DependencyProperty.RegisterAttached("SpecialWidth", typeof(double), typeof(MarkupExtensionProperties), new FrameworkPropertyMetadata(0.0, FrameworkPropertyMetadataOptions.Inherits | FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.AffectsMeasure));
public static readonly DependencyProperty UseMinMaxSizeBehaviorProperty = DependencyProperty.RegisterAttached("UseMinMaxSizeBehavior", typeof(bool), typeof(MarkupExtensionProperties), new PropertyMetadata(false, UseMinMaxSizeBehaviorChanged));
private static void UseMinMaxSizeBehaviorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var window = d as Window;
if (window == null) return;
if ((bool)e.NewValue)
{
Interaction.GetBehaviors(window).Add(new WindowMinMaxSizeBehavior());
}
else
{
var beh = Interaction.GetBehaviors(window).OfType<WindowMinMaxSizeBehavior>().FirstOrDefault();
if (beh != null) Interaction.GetBehaviors(window).Remove(beh);
}
}
}
}

11
BrightSharp/Interop/Constants.cs Normal file
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@@ -0,0 +1,11 @@
namespace BrightSharp.Interop
{
namespace Constants
{
internal enum MonitorFromWindowFlags
{
MONITOR_DEFAULTTONEAREST = 0x00000002
}
}
}

20
BrightSharp/Interop/NativeMethods.cs Normal file
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@@ -0,0 +1,20 @@
using BrightSharp.Interop.Structures;
using System;
using System.Runtime.InteropServices;
namespace BrightSharp.Interop
{
internal static class NativeMethods
{
#region Monitor
[DllImport("user32.dll", SetLastError = true)]
internal static extern bool GetMonitorInfo(IntPtr hMonitor, MONITORINFO lpmi);
[DllImport("user32.dll", SetLastError = true)]
internal static extern IntPtr MonitorFromWindow(IntPtr handle, int flags);
#endregion
}
}

130
BrightSharp/Interop/Structures.cs Normal file
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@@ -0,0 +1,130 @@
using System;
using System.Runtime.InteropServices;
namespace BrightSharp.Interop
{
namespace Structures
{
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
internal class MONITORINFO
{
public int cbSize = Marshal.SizeOf(typeof(MONITORINFO));
public RECT rcMonitor;
public RECT rcWork;
public int dwFlags;
}
[StructLayout(LayoutKind.Sequential, Pack = 0)]
internal struct POINT
{
public int x;
public int y;
}
[StructLayout(LayoutKind.Sequential, Pack = 0)]
internal struct RECT
{
public int Left;
public int Top;
public int Right;
public int Bottom;
public static readonly RECT Empty;
public int Width
{
get {
return Math.Abs(Right - Left);
} // Abs needed for BIDI OS
}
public int Height
{
get {
return Bottom - Top;
}
}
public RECT(int left, int top, int right, int bottom)
{
Left = left;
Top = top;
Right = right;
Bottom = bottom;
}
public RECT(RECT rcSrc)
{
Left = rcSrc.Left;
Top = rcSrc.Top;
Right = rcSrc.Right;
Bottom = rcSrc.Bottom;
}
public bool IsEmpty
{
get {
// BUGBUG : On Bidi OS (hebrew arabic) left > right
return Left >= Right || Top >= Bottom;
}
}
public override string ToString()
{
if (this == Empty)
{
return "RECT {Empty}";
}
return "RECT { left : " + Left + " / top : " + Top + " / right : " + Right + " / bottom : " +
Bottom + " }";
}
public override bool Equals(object obj)
{
if (!(obj is RECT))
{
return false;
}
return (this == (RECT)obj);
}
public override int GetHashCode()
{
return Left.GetHashCode() + Top.GetHashCode() + Right.GetHashCode() +
Bottom.GetHashCode();
}
public static bool operator ==(RECT rect1, RECT rect2)
{
return (rect1.Left == rect2.Left && rect1.Top == rect2.Top && rect1.Right == rect2.Right &&
rect1.Bottom == rect2.Bottom);
}
public static bool operator !=(RECT rect1, RECT rect2)
{
return !(rect1 == rect2);
}
}
[StructLayout(LayoutKind.Sequential)]
internal struct MINMAXINFO
{
public POINT ptReserved;
public POINT ptMaxSize;
public POINT ptMaxPosition;
public POINT ptMinTrackSize;
public POINT ptMaxTrackSize;
};
}
}

16
BrightSharp/Themes/Theme.xaml
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@@ -5630,7 +5630,6 @@
<Style x:Key="BrightSharpWindowStyle" TargetType="{x:Type Window}">
<Setter Property="WindowStyle" Value="None" />
<Setter Property="WindowStyle" Value="SingleBorderWindow" />
<Setter Property="bs:MarkupExtensionProperties.SpecialBrush" Value="{DynamicResource WindowInnerBorderBrush}"/>
<Setter Property="BorderBrush" Value="{DynamicResource WindowBorderBrush}">
@@ -5649,7 +5648,7 @@
<Setter.Value>
<ControlTemplate TargetType="{x:Type Window}">
<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
<Border BorderBrush="{TemplateBinding bs:MarkupExtensionProperties.SpecialBrush}" BorderThickness="1">
<Border x:Name="InnerBorder" BorderBrush="{TemplateBinding bs:MarkupExtensionProperties.SpecialBrush}" BorderThickness="1">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="30" />
@@ -5658,7 +5657,7 @@
<Border x:Name="HeaderBorder" Background="{DynamicResource WindowHeaderBrush}">
<DockPanel>
<Image Width="16" Height="16" Source="{TemplateBinding Icon}" Margin="8" VerticalAlignment="Top" DockPanel.Dock="Left" />
<StackPanel DockPanel.Dock="Right" Orientation="Horizontal" VerticalAlignment="Top" Margin="1">
<StackPanel x:Name="ButtonPanel" DockPanel.Dock="Right" Orientation="Horizontal" VerticalAlignment="Top" Margin="1">
<StackPanel.Resources>
<LinearGradientBrush x:Key="NormalBrush" StartPoint="0,0" EndPoint="0,1">
<GradientStop Color="Transparent" Offset="0.0"/>
@@ -5705,7 +5704,13 @@
</Trigger>
<Trigger Property="WindowState" Value="Maximized">
<Setter TargetName="PART_MaximizeButton" Property="Content" Value="2" />
<Setter TargetName="ContentPresenter" Property="Margin" Value="2,0,4,4" />
<Setter TargetName="InnerBorder" Property="BorderThickness" Value="0" />
<Setter Property="WindowChrome.WindowChrome">
<Setter.Value>
<WindowChrome CaptionHeight="30" ResizeBorderThickness="0" GlassFrameThickness="1" UseAeroCaptionButtons="False" />
</Setter.Value>
</Setter>
<Setter TargetName="ButtonPanel" Property="Margin" Value="-1" />
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
@@ -5714,9 +5719,6 @@
</MultiTrigger.Conditions>
<Setter Property="Visibility" TargetName="WindowResizeGrip" Value="Visible"/>
</MultiTrigger>
<Trigger Property="WindowState" Value="Maximized">
<Setter Property="Margin" TargetName="Decorator" Value="6,0,4,0" />
</Trigger>
<Trigger Property="IsActive" Value="False">
<Setter TargetName="HeaderBorder" Property="Background" Value="{DynamicResource WindowHeaderInactiveBackgroundBrush}" />
</Trigger>