FancyZones editor magnetic snapping effect (#1503)
* FancyZones editor magnetic snapping effect Implemented a solution to Issue #585: FancyZones: Alignment/Snapping/Ruler * Fixed VS complaining about names and access modifiers * Removed reference to unused implementation of snapping in FZE * Converted integer constants to enums in FZE/Canvas * Convert a portion of code to a switch statement * Improved code maintainability * Fixed a screen resolution bug in FZE/Canvas Fixed a bug where the editor doesn't respect the new screen resolution. * Further maintainability improvements * Fixed a compiler warning * Changed some variables to camelCase
This commit is contained in:
Ivan Stošić
GitHub
parent
013a58e634
commit
197bc54ac6
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@ -63,8 +63,8 @@ namespace FancyZonesEditor
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zone.ZoneIndex = i;
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Canvas.SetLeft(zone, rect.X);
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Canvas.SetTop(zone, rect.Y);
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zone.MinHeight = rect.Height;
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zone.MinWidth = rect.Width;
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zone.Height = rect.Height;
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zone.Width = rect.Width;
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}
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}
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}
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@ -24,19 +24,19 @@
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<ColumnDefinition Width="16"/>
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<ColumnDefinition Width="8"/>
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</Grid.ColumnDefinitions>
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<Thumb x:Name="NWResize" Cursor="SizeNWSE" Background="Black" Grid.Row="0" Grid.Column="0" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="NWResize_DragDelta"/>
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<Thumb x:Name="NEResize" Cursor="SizeNESW" Background="Black" Grid.Row="0" Grid.Column="3" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="NEResize_DragDelta"/>
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<Thumb x:Name="SWResize" Cursor="SizeNESW" Background="Black" Grid.Row="4" Grid.Column="0" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="SWResize_DragDelta"/>
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<Thumb x:Name="SEResize" Cursor="SizeNWSE" Background="Black" Grid.Row="4" Grid.Column="3" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="SEResize_DragDelta"/>
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<Thumb x:Name="NResize" Cursor="SizeNS" Background="Black" Margin="1,0,1,0" Grid.Row="0" Grid.Column="2" DragDelta="NResize_DragDelta"/>
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<Thumb x:Name="SResize" Cursor="SizeNS" Background="Black" Margin="1,0,1,0" Grid.Row="5" Grid.Column="2" DragDelta="SResize_DragDelta"/>
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<Thumb x:Name="WResize" Cursor="SizeWE" Background="Black" Margin="0,1,0,1" Grid.Row="2" Grid.Column="0" Grid.RowSpan="2" DragDelta="WResize_DragDelta"/>
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<Thumb x:Name="EResize" Cursor="SizeWE" Background="Black" Margin="0,1,0,1" Grid.Row="2" Grid.Column="4" Grid.RowSpan="2" DragDelta="EResize_DragDelta"/>
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<Thumb x:Name="NWResize" Cursor="SizeNWSE" Background="Black" Grid.Row="0" Grid.Column="0" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="UniversalDragDelta" DragStarted="NWResize_DragStarted"/>
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<Thumb x:Name="NEResize" Cursor="SizeNESW" Background="Black" Grid.Row="0" Grid.Column="3" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="UniversalDragDelta" DragStarted="NEResize_DragStarted"/>
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<Thumb x:Name="SWResize" Cursor="SizeNESW" Background="Black" Grid.Row="4" Grid.Column="0" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="UniversalDragDelta" DragStarted="SWResize_DragStarted"/>
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<Thumb x:Name="SEResize" Cursor="SizeNWSE" Background="Black" Grid.Row="4" Grid.Column="3" Grid.RowSpan="2" Grid.ColumnSpan="2" DragDelta="UniversalDragDelta" DragStarted="SEResize_DragStarted"/>
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<Thumb x:Name="NResize" Cursor="SizeNS" Background="Black" Margin="1,0,1,0" Grid.Row="0" Grid.Column="2" DragDelta="UniversalDragDelta" DragStarted="NResize_DragStarted"/>
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<Thumb x:Name="SResize" Cursor="SizeNS" Background="Black" Margin="1,0,1,0" Grid.Row="5" Grid.Column="2" DragDelta="UniversalDragDelta" DragStarted="SResize_DragStarted"/>
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<Thumb x:Name="WResize" Cursor="SizeWE" Background="Black" Margin="0,1,0,1" Grid.Row="2" Grid.Column="0" Grid.RowSpan="2" DragDelta="UniversalDragDelta" DragStarted="WResize_DragStarted"/>
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<Thumb x:Name="EResize" Cursor="SizeWE" Background="Black" Margin="0,1,0,1" Grid.Row="2" Grid.Column="4" Grid.RowSpan="2" DragDelta="UniversalDragDelta" DragStarted="EResize_DragStarted"/>
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<DockPanel Grid.Row="1" Grid.Column="1" Grid.RowSpan="2" Grid.ColumnSpan="3">
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<Button DockPanel.Dock="Right" Padding="8,0" Click="OnClose">
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<Image Source="images/ChromeClose.png" Height="24" Width="24" />
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</Button>
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<Thumb x:Name="Caption" Cursor="SizeAll" Background="DarkGray" DragDelta="Caption_DragDelta"/>
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<Thumb x:Name="Caption" Cursor="SizeAll" Background="DarkGray" DragDelta="UniversalDragDelta" DragStarted="Caption_DragStarted"/>
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</DockPanel>
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<Rectangle Fill="LightGray" Grid.Row="3" Grid.Column="1" Grid.RowSpan="2" Grid.ColumnSpan="3"/>
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<Canvas x:Name="Body" />
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@ -3,6 +3,7 @@
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// See the LICENSE file in the project root for more information.
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using System;
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using System.Collections.Generic;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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@ -16,186 +17,267 @@ namespace FancyZonesEditor
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/// </summary>
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public partial class CanvasZone : UserControl
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{
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public CanvasLayoutModel Model { get; set; }
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public int ZoneIndex { get; set; }
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private readonly Settings _settings = ((App)Application.Current).ZoneSettings;
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private static readonly int _minZoneWidth = 64;
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private static readonly int _minZoneHeight = 72;
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private static int _zIndex = 0;
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public CanvasZone()
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{
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InitializeComponent();
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Panel.SetZIndex(this, _zIndex++);
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Canvas.SetZIndex(this, zIndex++);
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}
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private void Move(double xDelta, double yDelta)
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private readonly Settings _settings = ((App)Application.Current).ZoneSettings;
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private CanvasLayoutModel model;
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private int zoneIndex;
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public enum ResizeMode
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{
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Int32Rect rect = Model.Zones[ZoneIndex];
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if (xDelta < 0)
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{
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xDelta = Math.Max(xDelta, -rect.X);
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}
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else if (xDelta > 0)
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{
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xDelta = Math.Min(xDelta, _settings.WorkArea.Width - rect.Width - rect.X);
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}
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if (yDelta < 0)
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{
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yDelta = Math.Max(yDelta, -rect.Y);
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}
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else if (yDelta > 0)
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{
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yDelta = Math.Min(yDelta, _settings.WorkArea.Height - rect.Height - rect.Y);
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}
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rect.X += (int)xDelta;
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rect.Y += (int)yDelta;
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Canvas.SetLeft(this, rect.X);
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Canvas.SetTop(this, rect.Y);
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Model.Zones[ZoneIndex] = rect;
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BottomEdge,
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TopEdge,
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BothEdges,
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}
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private void SizeMove(double xDelta, double yDelta)
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private abstract class SnappyHelperBase
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{
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Int32Rect rect = Model.Zones[ZoneIndex];
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if (xDelta < 0)
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public int ScreenW { get; private set; }
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protected List<int> Snaps { get; private set; }
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protected int MinValue { get; private set; }
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protected int MaxValue { get; private set; }
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public int Position { get; protected set; }
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public ResizeMode Mode { get; private set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="SnappyHelperBase"/> class.
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/// Just pass it the canvas arguments. Use mode
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/// to tell it which edges of the existing masks to use when building its list
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/// of snap points, and generally which edges to track. There will be two
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/// SnappyHelpers, one for X-coordinates and one for
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/// Y-coordinates, they work independently but share the same logic.
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/// </summary>
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/// <param name="zones">The list of rectangles describing all zones</param>
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/// <param name="zoneIndex">The index of the zone to track</param>
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/// <param name="isX"> Whether this is the X or Y SnappyHelper</param>
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/// <param name="mode"> One of the three modes of operation (for example: tracking left/right/both edges)</param>
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/// <param name="screenAxisSize"> The size of the screen in this (X or Y) dimension</param>
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public SnappyHelperBase(IList<Int32Rect> zones, int zoneIndex, bool isX, ResizeMode mode, int screenAxisSize)
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{
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if ((rect.X + xDelta) < 0)
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int zonePosition = isX ? zones[zoneIndex].X : zones[zoneIndex].Y;
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int zoneAxisSize = isX ? zones[zoneIndex].Width : zones[zoneIndex].Height;
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int minAxisSize = isX ? MinZoneWidth : MinZoneHeight;
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List<int> keyPositions = new List<int>();
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for (int i = 0; i < zones.Count; ++i)
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{
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xDelta = -rect.X;
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if (i != zoneIndex)
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{
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int ithZonePosition = isX ? zones[i].X : zones[i].Y;
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int ithZoneAxisSize = isX ? zones[i].Width : zones[i].Height;
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keyPositions.Add(ithZonePosition);
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keyPositions.Add(ithZonePosition + ithZoneAxisSize);
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if (mode == ResizeMode.BothEdges)
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{
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keyPositions.Add(ithZonePosition - zoneAxisSize);
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keyPositions.Add(ithZonePosition + ithZoneAxisSize - zoneAxisSize);
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}
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}
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}
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}
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else if (xDelta > 0)
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{
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if ((rect.Width - (int)xDelta) < _minZoneWidth)
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// Remove duplicates and sort
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keyPositions.Sort();
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Snaps = new List<int>();
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if (keyPositions.Count > 0)
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{
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xDelta = rect.Width - _minZoneWidth;
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Snaps.Add(keyPositions[0]);
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for (int i = 1; i < keyPositions.Count; ++i)
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{
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if (keyPositions[i] != keyPositions[i - 1])
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{
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Snaps.Add(keyPositions[i]);
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}
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}
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}
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switch (mode)
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{
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case ResizeMode.BottomEdge:
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// We're dragging the low edge, don't go below zero
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MinValue = 0;
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// It can't make the zone smaller than minAxisSize
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MaxValue = zonePosition + zoneAxisSize - minAxisSize;
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Position = zonePosition;
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break;
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case ResizeMode.TopEdge:
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// We're dragging the high edge, don't make the zone smaller than minAxisSize
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MinValue = zonePosition + minAxisSize;
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// Don't go off the screen
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MaxValue = screenAxisSize;
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Position = zonePosition + zoneAxisSize;
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break;
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case ResizeMode.BothEdges:
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// We're moving the window, don't move it below zero
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MinValue = 0;
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// Don't go off the screen (this time the lower edge is tracked)
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MaxValue = screenAxisSize - zoneAxisSize;
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Position = zonePosition;
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break;
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}
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Mode = mode;
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this.ScreenW = screenAxisSize;
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}
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if (yDelta < 0)
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{
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if ((rect.Y + yDelta) < 0)
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{
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yDelta = -rect.Y;
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}
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}
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else if (yDelta > 0)
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{
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if ((rect.Height - (int)yDelta) < _minZoneHeight)
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{
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yDelta = rect.Height - _minZoneHeight;
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}
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}
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rect.X += (int)xDelta;
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rect.Width -= (int)xDelta;
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MinWidth = rect.Width;
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rect.Y += (int)yDelta;
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rect.Height -= (int)yDelta;
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MinHeight = rect.Height;
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Canvas.SetLeft(this, rect.X);
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Canvas.SetTop(this, rect.Y);
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Model.Zones[ZoneIndex] = rect;
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public abstract void Move(int delta);
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}
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private void Size(double xDelta, double yDelta)
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private class SnappyHelperMagnetic : SnappyHelperBase
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{
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Int32Rect rect = Model.Zones[ZoneIndex];
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if (xDelta != 0)
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private List<int> magnetZoneSizes;
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private int freePosition;
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private int MagnetZoneMaxSize
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{
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int newWidth = rect.Width + (int)xDelta;
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if (newWidth < _minZoneWidth)
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{
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newWidth = _minZoneWidth;
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}
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else if (newWidth > (_settings.WorkArea.Width - rect.X))
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{
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newWidth = (int)_settings.WorkArea.Width - rect.X;
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}
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MinWidth = rect.Width = newWidth;
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get => (int)(0.08 * ScreenW);
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}
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if (yDelta != 0)
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public SnappyHelperMagnetic(IList<Int32Rect> zones, int zoneIndex, bool isX, ResizeMode mode, int screenAxisSize)
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: base(zones, zoneIndex, isX, mode, screenAxisSize)
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{
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int newHeight = rect.Height + (int)yDelta;
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if (newHeight < _minZoneHeight)
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freePosition = Position;
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magnetZoneSizes = new List<int>();
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for (int i = 0; i < Snaps.Count; ++i)
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{
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newHeight = _minZoneHeight;
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int previous = i == 0 ? 0 : Snaps[i - 1];
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int next = i == Snaps.Count - 1 ? ScreenW : Snaps[i + 1];
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magnetZoneSizes.Add(Math.Min(Snaps[i] - previous, Math.Min(next - Snaps[i], MagnetZoneMaxSize)) / 2);
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}
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else if (newHeight > (_settings.WorkArea.Height - rect.Y))
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}
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public override void Move(int delta)
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{
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freePosition = Position + delta;
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int snapId = -1;
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for (int i = 0; i < Snaps.Count; ++i)
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{
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newHeight = (int)_settings.WorkArea.Height - rect.Y;
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if (Math.Abs(freePosition - Snaps[i]) <= magnetZoneSizes[i])
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{
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snapId = i;
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break;
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}
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}
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MinHeight = rect.Height = newHeight;
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if (snapId == -1)
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{
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Position = freePosition;
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}
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else
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{
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int deadZoneWidth = (magnetZoneSizes[snapId] + 1) / 2;
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if (Math.Abs(freePosition - Snaps[snapId]) <= deadZoneWidth)
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{
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Position = Snaps[snapId];
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}
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else if (freePosition < Snaps[snapId])
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{
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Position = freePosition + (freePosition - (Snaps[snapId] - magnetZoneSizes[snapId]));
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}
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else
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{
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Position = freePosition - ((Snaps[snapId] + magnetZoneSizes[snapId]) - freePosition);
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}
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}
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Position = Math.Max(Math.Min(MaxValue, Position), MinValue);
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}
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}
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private SnappyHelperBase snappyX;
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private SnappyHelperBase snappyY;
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private SnappyHelperBase NewDefaultSnappyHelper(bool isX, ResizeMode mode, int screenAxisSize)
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{
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return new SnappyHelperMagnetic(Model.Zones, ZoneIndex, isX, mode, screenAxisSize);
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}
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private void UpdateFromSnappyHelpers()
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{
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Int32Rect rect = Model.Zones[ZoneIndex];
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if (snappyX != null)
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{
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if (snappyX.Mode == ResizeMode.BottomEdge)
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{
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int changeX = snappyX.Position - rect.X;
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rect.X += changeX;
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rect.Width -= changeX;
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}
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else if (snappyX.Mode == ResizeMode.TopEdge)
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{
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rect.Width = snappyX.Position - rect.X;
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}
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else
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{
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int changeX = snappyX.Position - rect.X;
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rect.X += changeX;
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}
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Canvas.SetLeft(this, rect.X);
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Width = rect.Width;
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}
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if (snappyY != null)
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{
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if (snappyY.Mode == ResizeMode.BottomEdge)
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{
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int changeY = snappyY.Position - rect.Y;
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rect.Y += changeY;
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rect.Height -= changeY;
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}
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else if (snappyY.Mode == ResizeMode.TopEdge)
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{
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rect.Height = snappyY.Position - rect.Y;
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}
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else
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{
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int changeY = snappyY.Position - rect.Y;
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rect.Y += changeY;
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}
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Canvas.SetTop(this, rect.Y);
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Height = rect.Height;
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}
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Model.Zones[ZoneIndex] = rect;
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}
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private static int zIndex = 0;
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private const int MinZoneWidth = 64;
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private const int MinZoneHeight = 72;
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protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
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{
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Panel.SetZIndex(this, _zIndex++);
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Canvas.SetZIndex(this, zIndex++);
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base.OnPreviewMouseDown(e);
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}
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private void NWResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
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private void UniversalDragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
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{
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SizeMove(e.HorizontalChange, e.VerticalChange);
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}
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if (snappyX != null)
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{
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snappyX.Move((int)e.HorizontalChange);
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}
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private void NEResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
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{
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SizeMove(0, e.VerticalChange);
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Size(e.HorizontalChange, 0);
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}
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if (snappyY != null)
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{
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snappyY.Move((int)e.VerticalChange);
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}
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private void SWResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
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{
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SizeMove(e.HorizontalChange, 0);
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Size(0, e.VerticalChange);
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}
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private void SEResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
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{
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Size(e.HorizontalChange, e.VerticalChange);
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}
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private void NResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
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{
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||||
SizeMove(0, e.VerticalChange);
|
||||
}
|
||||
|
||||
private void SResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
|
||||
{
|
||||
Size(0, e.VerticalChange);
|
||||
}
|
||||
|
||||
private void WResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
|
||||
{
|
||||
SizeMove(e.HorizontalChange, 0);
|
||||
}
|
||||
|
||||
private void EResize_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
|
||||
{
|
||||
Size(e.HorizontalChange, 0);
|
||||
}
|
||||
|
||||
private void Caption_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
|
||||
{
|
||||
Move(e.HorizontalChange, e.VerticalChange);
|
||||
UpdateFromSnappyHelpers();
|
||||
}
|
||||
|
||||
private void OnClose(object sender, RoutedEventArgs e)
|
||||
|
|
@ -203,5 +285,65 @@ namespace FancyZonesEditor
|
|||
((Panel)Parent).Children.Remove(this);
|
||||
Model.RemoveZoneAt(ZoneIndex);
|
||||
}
|
||||
|
||||
// Corner dragging
|
||||
private void Caption_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.BothEdges, (int)_settings.WorkArea.Width);
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.BothEdges, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
public CanvasLayoutModel Model { get => model; set => model = value; }
|
||||
|
||||
public int ZoneIndex { get => zoneIndex; set => zoneIndex = value; }
|
||||
|
||||
private void NWResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.BottomEdge, (int)_settings.WorkArea.Width);
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.BottomEdge, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
private void NEResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.TopEdge, (int)_settings.WorkArea.Width);
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.BottomEdge, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
private void SWResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.BottomEdge, (int)_settings.WorkArea.Width);
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.TopEdge, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
private void SEResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.TopEdge, (int)_settings.WorkArea.Width);
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.TopEdge, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
// Edge dragging
|
||||
private void NResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = null;
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.BottomEdge, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
private void SResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = null;
|
||||
snappyY = NewDefaultSnappyHelper(false, ResizeMode.TopEdge, (int)_settings.WorkArea.Height);
|
||||
}
|
||||
|
||||
private void WResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.BottomEdge, (int)_settings.WorkArea.Width);
|
||||
snappyY = null;
|
||||
}
|
||||
|
||||
private void EResize_DragStarted(object sender, System.Windows.Controls.Primitives.DragStartedEventArgs e)
|
||||
{
|
||||
snappyX = NewDefaultSnappyHelper(true, ResizeMode.TopEdge, (int)_settings.WorkArea.Width);
|
||||
snappyY = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue