SystemTrayMenu/UserInterface/Menu.xaml.cs
Peter Kirmeier ec045a153b Simplified menu selection via keys
Avoid menu closing when going one level back via keys
2023-05-14 19:13:44 +02:00

1402 lines
50 KiB
C#

// <copyright file="Menu.xaml.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>
namespace SystemTrayMenu.UserInterface
{
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;
using SystemTrayMenu.Business;
using SystemTrayMenu.DataClasses;
using SystemTrayMenu.DllImports;
using SystemTrayMenu.Properties;
using SystemTrayMenu.Utilities;
using KeyEventArgs = System.Windows.Input.KeyEventArgs;
/// <summary>
/// Logic of Menu window.
/// </summary>
public partial class Menu : Window
{
private const int CornerRadius = 10;
private static readonly RoutedEvent FadeToTransparentEvent = EventManager.RegisterRoutedEvent(
nameof(FadeToTransparent), RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Menu));
private static readonly RoutedEvent FadeInEvent = EventManager.RegisterRoutedEvent(
nameof(FadeIn), RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Menu));
private static readonly RoutedEvent FadeOutEvent = EventManager.RegisterRoutedEvent(
nameof(FadeOut), RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Menu));
private readonly DispatcherTimer timerUpdateIcons = new (DispatcherPriority.Background, Dispatcher.CurrentDispatcher);
private readonly string folderPath;
#if TODO // SEARCH
public const string RowFilterShowAll = "[SortIndex] LIKE '%0%'";
#endif
private bool isFading;
private bool directionToRight;
private bool mouseDown;
private Point lastLocation;
#if TODO // SEARCH
private bool isSetSearchText;
#endif
internal Menu(MenuData menuData, string path)
{
InitializeComponent();
if (!Config.ShowDirectoryTitleAtTop)
{
txtTitle.Visibility = Visibility.Hidden;
}
if (!Config.ShowSearchBar)
{
searchPanel.Visibility = Visibility.Collapsed;
}
if (!Config.ShowFunctionKeyOpenFolder)
{
buttonOpenFolder.Visibility = Visibility.Collapsed;
}
if (!Config.ShowFunctionKeyPinMenu)
{
buttonMenuAlwaysOpen.Visibility = Visibility.Collapsed;
}
if (!Config.ShowFunctionKeySettings)
{
buttonSettings.Visibility = Visibility.Collapsed;
}
if (!Config.ShowFunctionKeyRestart)
{
buttonRestart.Visibility = Visibility.Collapsed;
}
folderPath = path;
RowDataParent = menuData.RowDataParent;
if (RowDataParent == null)
{
// This will be a main menu
Level = 0;
MainMenu = this;
// Use Main Menu DPI for all further calculations
Scaling.CalculateFactorByDpi(this);
}
else
{
// This will be a sub menu
if (ParentMenu == null)
{
// Should never happen as each parent menu must have a valid entry which's owner is set
throw new ArgumentNullException(new (nameof(ParentMenu)));
}
Level = RowDataParent.Level + 1;
MainMenu = ParentMenu.MainMenu;
RowDataParent.SubMenu = this;
buttonOpenFolder.Visibility = Visibility.Collapsed;
buttonSettings.Visibility = Visibility.Collapsed;
buttonRestart.Visibility = Visibility.Collapsed;
labelStatus.Content = Translator.GetText("loading");
// Todo: use embedded resources that we can assign image in XAML already
pictureBoxLoading.Source = SystemTrayMenu.Resources.StaticResources.LoadingIcon.ToImageSource();
pictureBoxLoading.Visibility = Visibility.Visible;
}
string title = new DirectoryInfo(path).Name;
if (title.Length > MenuDefines.LengthMax)
{
title = $"{title[..MenuDefines.LengthMax]}...";
}
txtTitle.Text = Title = title;
foreach (FrameworkElement control in
new List<FrameworkElement>()
{
buttonMenuAlwaysOpen,
buttonOpenFolder,
buttonSettings,
buttonRestart,
pictureBoxSearch,
pictureBoxMenuAlwaysOpen,
pictureBoxOpenFolder,
pictureBoxSettings,
pictureBoxRestart,
pictureBoxLoading,
})
{
control.Width = Scaling.Scale(control.Width);
control.Height = Scaling.Scale(control.Height);
}
labelTitle.FontSize = Scaling.ScaleFontByPoints(8.25F);
textBoxSearch.FontSize = Scaling.ScaleFontByPoints(8.25F);
labelStatus.FontSize = Scaling.ScaleFontByPoints(7F);
dgv.FontSize = Scaling.ScaleFontByPoints(9F);
MouseDown += Menu_MouseDown;
MouseUp += Menu_MouseUp;
MouseMove += Menu_MouseMove;
textBoxSearch.TextChanged += (_, _) => TextBoxSearch_TextChanged(false);
textBoxSearch.ContextMenu = new()
{
Background = SystemColors.ControlBrush,
};
textBoxSearch.ContextMenu.Items.Add(new MenuItem()
{
Header = Translator.GetText("Cut"),
Command = new ActionCommand((_) => textBoxSearch.Cut()),
});
textBoxSearch.ContextMenu.Items.Add(new MenuItem()
{
Header = Translator.GetText("Copy"),
Command = new ActionCommand((_) => Clipboard.SetData(DataFormats.Text, textBoxSearch.SelectedText)),
});
textBoxSearch.ContextMenu.Items.Add(new MenuItem()
{
Header = Translator.GetText("Paste"),
Command = new ActionCommand((_) =>
{
if (Clipboard.ContainsText(TextDataFormat.Text))
{
textBoxSearch.SelectedText = Clipboard.GetData(DataFormats.Text).ToString();
}
}),
});
textBoxSearch.ContextMenu.Items.Add(new MenuItem()
{
Header = Translator.GetText("Undo"),
Command = new ActionCommand((_) => textBoxSearch.Undo()),
});
textBoxSearch.ContextMenu.Items.Add(new MenuItem()
{
Header = Translator.GetText("Select All"),
Command = new ActionCommand((_) => textBoxSearch.SelectAll()),
});
dgv.GotFocus += (_, _) => FocusTextBox();
dgv.SelectionChanged += ListView_SelectionChanged;
Loaded += (_, _) =>
{
NativeMethods.HideFromAltTab(this);
RaiseEvent(new(routedEvent: FadeInEvent));
};
Closed += (_, _) =>
{
timerUpdateIcons.Stop();
IsClosed = true; // TODO WPF Replace Forms wrapper
if (RowDataParent?.SubMenu == this)
{
RowDataParent.SubMenu = null;
}
foreach (ListViewItemData item in dgv.Items)
{
item.data.SubMenu?.Close();
}
};
timerUpdateIcons.Tick += TimerUpdateIcons_Tick;
AddItemsToMenu(menuData.RowDatas, null, false);
}
internal event Action? MenuScrolled;
internal event Action<Menu, Key, ModifierKeys>? CmdKeyProcessed;
internal event Action? SearchTextChanging;
internal event Action<Menu, bool, bool>? SearchTextChanged;
internal event Action<Menu>? UserDragsMenu;
internal event Action<Menu>? RowSelectionChanged;
internal event Action<Menu, ListViewItemData>? CellMouseEnter;
internal event Action? CellMouseLeave;
internal event Action<Menu, ListViewItemData>? CellMouseDown;
internal event Action<Menu, ListViewItemData>? CellOpenOnClick;
internal event Action? ClosePressed;
internal event RoutedEventHandler FadeToTransparent
{
add { AddHandler(FadeToTransparentEvent, value); }
remove { RemoveHandler(FadeToTransparentEvent, value); }
}
internal event RoutedEventHandler FadeIn
{
add { AddHandler(FadeInEvent, value); }
remove { RemoveHandler(FadeInEvent, value); }
}
internal event RoutedEventHandler FadeOut
{
add { AddHandler(FadeOutEvent, value); }
remove { RemoveHandler(FadeOutEvent, value); }
}
internal enum StartLocation
{
Point,
Predecessor,
BottomLeft,
BottomRight,
TopRight,
}
internal Point Location => new (Left, Top); // TODO WPF Replace Forms wrapper
internal int Level { get; set; }
internal RowData? RowDataParent { get; set; }
internal ListViewItemData? SelectedItem
{
get => (ListViewItemData?)dgv.SelectedItem;
set => dgv.SelectedItem = value;
}
internal Menu MainMenu { get; init; }
internal Menu? ParentMenu => RowDataParent?.Owner;
internal Menu? SubMenu
{
get
{
foreach (ListViewItemData item in dgv.Items)
{
if (item.data.SubMenu != null)
{
return item.data.SubMenu;
}
}
return null;
}
}
internal bool RelocateOnNextShow { get; set; } = true;
internal bool IsClosed { get; private set; } = false;
internal bool IsUsable => Visibility == Visibility.Visible && !isFading && !IsClosed;
public override string ToString() => nameof(Menu) + " L" + Level.ToString() + ": " + Title;
internal void ResetSearchText()
{
textBoxSearch.Text = string.Empty;
if (dgv.Items.Count > 0)
{
dgv.ScrollIntoView(dgv.Items[0]);
}
}
internal void OnWatcherUpdate()
{
TextBoxSearch_TextChanged(true);
if (dgv.Items.Count > 0)
{
dgv.ScrollIntoView(dgv.Items[0]);
}
}
internal void FocusTextBox()
{
#if TODO // SEARCH
if (isSetSearchText)
{
isSetSearchText = false;
textBoxSearch.SelectAll();
textBoxSearch.Focus();
textBoxSearch.SelectionStart = textBoxSearch.Text.Length;
textBoxSearch.SelectionLength = 0;
}
else
{
textBoxSearch.SelectAll();
textBoxSearch.Focus();
}
#endif
}
internal void SetSubMenuState(MenuDataDirectoryState state)
{
if (Config.ShowFunctionKeyOpenFolder)
{
buttonOpenFolder.Visibility = Visibility.Visible;
}
buttonMenuAlwaysOpen.Visibility = Visibility.Collapsed;
pictureBoxLoading.Visibility = Visibility.Collapsed;
switch (state)
{
case MenuDataDirectoryState.Valid:
if (!Config.ShowCountOfElementsBelow)
{
labelStatus.Visibility = Visibility.Collapsed;
}
break;
case MenuDataDirectoryState.Empty:
searchPanel.Visibility = Visibility.Collapsed;
labelStatus.Content = Translator.GetText("Directory empty");
break;
case MenuDataDirectoryState.NoAccess:
searchPanel.Visibility = Visibility.Collapsed;
labelStatus.Content = Translator.GetText("Directory inaccessible");
break;
default:
break;
}
}
// TODO: Check if we can just use original IsMouseOver instead? (Check if it requires Mouse.Capture(this))
internal new bool IsMouseOver()
{
Point mousePos = NativeMethods.Screen.CursorPosition;
bool isMouseOver = Visibility == Visibility.Visible &&
mousePos.X >= 0 && mousePos.X < Width &&
mousePos.Y >= 0 && mousePos.Y < Height;
return isMouseOver;
}
internal ListView GetDataGridView() => dgv; // TODO WPF Replace Forms wrapper
// Not used as refreshing should be done automatically due to databinding
// TODO: As long as WPF transition from Forms is incomplete, keep it for testing.
internal void RefreshDataGridView()
{
((CollectionView)CollectionViewSource.GetDefaultView(dgv.ItemsSource)).Refresh();
}
// TODO: Check if it is implicitly already running due to SelectionChanged event
internal void RefreshSelection() => ListView_SelectionChanged(GetDataGridView(), null);
internal bool TrySelectAt(int index, int indexAlternative = -1)
{
ListViewItemData itemData;
if (index >= 0 && dgv.Items.Count > index)
{
itemData = (ListViewItemData)dgv.Items[index];
}
else if (indexAlternative >= 0 && dgv.Items.Count > indexAlternative)
{
itemData = (ListViewItemData)dgv.Items[indexAlternative];
}
else
{
return false;
}
dgv.SelectedItem = itemData;
dgv.ScrollIntoView(itemData);
RowSelectionChanged?.Invoke(this);
return true;
}
internal void AddItemsToMenu(List<RowData> data, MenuDataDirectoryState? state, bool startIconLoading)
{
int foldersCount = 0;
int filesCount = 0;
List<ListViewItemData> items = new();
foreach (RowData rowData in data)
{
if (!(rowData.IsAdditionalItem && Settings.Default.ShowOnlyAsSearchResult))
{
if (rowData.IsPointingToFolder)
{
foldersCount++;
}
else
{
filesCount++;
}
}
rowData.RowIndex = items.Count; // Index
rowData.Owner = this;
items.Add(new(
(rowData.HiddenEntry ? IconReader.AddIconOverlay(rowData.Icon, Properties.Resources.White50Percentage) : rowData.Icon)?.ToImageSource(),
rowData.Text ?? "?",
rowData,
rowData.IsAdditionalItem && Settings.Default.ShowOnlyAsSearchResult ? 99 : 0));
}
dgv.ItemsSource = items;
SetCounts(foldersCount, filesCount);
if (state != null)
{
SetSubMenuState(state.Value);
}
if (startIconLoading)
{
timerUpdateIcons.Start();
}
}
internal void ActivateWithFade(bool recursive)
{
if (recursive)
{
SubMenu?.ActivateWithFade(true);
}
if (Opacity != 1D)
{
if (Settings.Default.UseFading)
{
isFading = true;
RaiseEvent(new(routedEvent: FadeInEvent));
}
else
{
Opacity = 1D;
FadeIn_Completed(this, new());
}
}
}
internal void ShowWithFade(bool transparency, bool recursive)
{
timerUpdateIcons.Start();
if (recursive)
{
SubMenu?.ShowWithFade(transparency, true);
}
if (Level > 0)
{
ShowActivated = false;
}
Opacity = 0D;
Show();
if (Settings.Default.UseFading)
{
isFading = true;
if (transparency)
{
RaiseEvent(new(routedEvent: FadeToTransparentEvent));
}
else
{
RaiseEvent(new(routedEvent: FadeInEvent));
}
}
else
{
Opacity = transparency ? 0.80D : 1D;
FadeIn_Completed(this, new());
}
}
internal void HideWithFade(bool recursive)
{
if (recursive)
{
SubMenu?.HideWithFade(true);
}
if (RowDataParent != null)
{
RowDataParent.SubMenu = null;
}
if (Settings.Default.UseFading)
{
isFading = true;
RaiseEvent(new(routedEvent: FadeOutEvent));
}
else
{
FadeOut_Completed(this, new());
}
}
/// <summary>
/// Update the position and size of the menu.
/// </summary>
/// <param name="bounds">Screen coordinates where the menu is allowed to be drawn in.</param>
/// <param name="menuPredecessor">Predecessor menu (when available).</param>
/// <param name="startLocation">Defines where the first menu is drawn (when no predecessor is set).</param>
/// <param name="useCustomLocation">Use CustomLocation as start position.</param>
internal void AdjustSizeAndLocation(
Rect bounds,
Menu? menuPredecessor,
StartLocation startLocation,
bool useCustomLocation)
{
Point originLocation = new(0D, 0D);
// Update the height and width
AdjustDataGridViewHeight(menuPredecessor, bounds.Height);
AdjustDataGridViewWidth();
if (Level > 0)
{
if (menuPredecessor == null)
{
// should never happen
return;
}
// Sub Menu location depends on the location of its predecessor
startLocation = StartLocation.Predecessor;
originLocation = menuPredecessor.Location;
}
else if (useCustomLocation)
{
if (!RelocateOnNextShow)
{
return;
}
RelocateOnNextShow = false;
startLocation = StartLocation.Point;
originLocation = new(Settings.Default.CustomLocationX, Settings.Default.CustomLocationY);
}
else if (Settings.Default.AppearAtMouseLocation)
{
if (!RelocateOnNextShow)
{
return;
}
RelocateOnNextShow = false;
startLocation = StartLocation.Point;
originLocation = NativeMethods.Screen.CursorPosition;
}
if (IsLoaded)
{
AdjustWindowPositionInternal(originLocation);
}
else
{
// Layout cannot be calculated during loading, postpone this event
Loaded += (_, _) => AdjustWindowPositionInternal(originLocation);
}
void AdjustWindowPositionInternal(in Point originLocation)
{
double scaling = Math.Round(Scaling.Factor, 0, MidpointRounding.AwayFromZero);
double overlappingOffset = 0D;
// Make sure we have latest values of own window size
UpdateLayout();
// Prepare parameters
if (startLocation == StartLocation.Predecessor)
{
if (menuPredecessor == null)
{
// should never happen
return;
}
// When (later in calculation) a list item is not found,
// its values might be invalidated due to resizing or moving.
// After updating the layout the location should be available again.
menuPredecessor.UpdateLayout();
directionToRight = menuPredecessor.directionToRight; // try keeping same direction from predecessor
if (!Settings.Default.AppearNextToPreviousMenu &&
menuPredecessor.Width > Settings.Default.OverlappingOffsetPixels)
{
if (directionToRight)
{
overlappingOffset = Settings.Default.OverlappingOffsetPixels - menuPredecessor.Width;
}
else
{
overlappingOffset = menuPredecessor.Width - Settings.Default.OverlappingOffsetPixels;
}
}
}
else
{
directionToRight = true; // use right as default direction
}
// Calculate X position
double x;
switch (startLocation)
{
case StartLocation.Point:
x = originLocation.X;
break;
case StartLocation.Predecessor:
if (menuPredecessor == null)
{
// should never happen
return;
}
if (directionToRight)
{
x = originLocation.X + menuPredecessor.Width - scaling;
// Change direction when out of bounds (predecessor only)
if (startLocation == StartLocation.Predecessor &&
bounds.X + bounds.Width <= x + Width - scaling)
{
x = originLocation.X - Width + scaling;
if (x < bounds.X &&
originLocation.X + menuPredecessor.Width < bounds.X + bounds.Width &&
bounds.X + (bounds.Width / 2) > originLocation.X + (Width / 2))
{
x = bounds.X + bounds.Width - Width + scaling;
}
else
{
if (x < bounds.X)
{
x = bounds.X;
}
directionToRight = !directionToRight;
}
}
}
else
{
x = originLocation.X - Width + scaling;
// Change direction when out of bounds (predecessor only)
if (startLocation == StartLocation.Predecessor &&
x < bounds.X)
{
x = originLocation.X + menuPredecessor.Width - scaling;
if (x + Width > bounds.X + bounds.Width &&
originLocation.X > bounds.X &&
bounds.X + (bounds.Width / 2) < originLocation.X + (Width / 2))
{
x = bounds.X;
}
else
{
if (x + Width > bounds.X + bounds.Width)
{
x = bounds.X + bounds.Width - Width + scaling;
}
directionToRight = !directionToRight;
}
}
}
break;
case StartLocation.BottomLeft:
x = bounds.X;
directionToRight = true;
break;
case StartLocation.TopRight:
case StartLocation.BottomRight:
default:
x = bounds.Width - Width;
directionToRight = false;
break;
}
x += overlappingOffset;
// Calculate Y position
double y;
switch (startLocation)
{
case StartLocation.Point:
y = originLocation.Y;
if (Settings.Default.AppearAtMouseLocation)
{
y -= labelTitle.ActualHeight; // Mouse should point below title
}
break;
case StartLocation.Predecessor:
if (menuPredecessor == null)
{
// should never happen
return;
}
y = originLocation.Y;
// Set position on same height as the selected row from predecessor
ListView dgv = menuPredecessor.GetDataGridView()!;
RowData? trigger = RowDataParent;
if (trigger != null && dgv.Items.Count > trigger.RowIndex)
{
// When scrolled, we have to reduce the index number as we calculate based on visual tree
int startIndex = 0;
double offset = 0D;
if (VisualTreeHelper.GetChild(dgv, 0) is Decorator { Child: ScrollViewer scrollViewer })
{
startIndex = (int)scrollViewer.VerticalOffset;
if (trigger.RowIndex < startIndex)
{
// calculate position above starting point
for (int i = trigger.RowIndex; i < startIndex; i++)
{
ListViewItem? item = dgv.FindVisualChildOfType<ListViewItem>(i);
if (item != null)
{
offset -= item.ActualHeight;
}
}
}
}
if (startIndex < trigger.RowIndex)
{
// calculate position below starting point
for (int i = startIndex; i < trigger.RowIndex; i++)
{
ListViewItem? item = dgv.FindVisualChildOfType<ListViewItem>(i);
if (item != null)
{
offset += item.ActualHeight;
}
}
}
if (offset < 0)
{
// Do not allow to show window higher than previous window
offset = 0;
}
else
{
double offsetList = menuPredecessor.GetRelativeChildPositionTo(dgv).Y;
offsetList += dgv.ActualHeight;
if (offsetList < offset)
{
// Do not allow to show window below last entry position of list
offset = offsetList;
}
}
y += offset;
}
if (searchPanel.Visibility == Visibility.Collapsed)
{
y += menuPredecessor.searchPanel.ActualHeight;
}
break;
case StartLocation.TopRight:
y = bounds.Y;
break;
case StartLocation.BottomLeft:
case StartLocation.BottomRight:
default:
y = bounds.Height - Height;
break;
}
// Move vertically when out of bounds
if (bounds.Y + bounds.Height < y + Height)
{
y = bounds.Y + bounds.Height - Height;
}
else if (y < bounds.Y)
{
y = bounds.Y;
}
// Update position
Left = x;
Top = y;
if (Settings.Default.RoundCorners)
{
windowFrame.CornerRadius = new CornerRadius(CornerRadius);
}
UpdateLayout();
}
}
internal void SetCounts(int foldersCount, int filesCount)
{
int filesAndFoldersCount = foldersCount + filesCount;
string elements = filesAndFoldersCount == 1 ? "element" : "elements";
labelStatus.Content = $"{filesAndFoldersCount} {Translator.GetText(elements)}";
}
private void FadeIn_Completed(object sender, EventArgs e)
{
isFading = false;
}
private void FadeOut_Completed(object sender, EventArgs e)
{
isFading = false;
Hide();
}
private void HandlePreviewKeyDown(object sender, KeyEventArgs e)
{
searchPanel.Visibility = Visibility.Visible;
ModifierKeys modifiers = Keyboard.Modifiers;
switch (e.Key)
{
case Key.F4:
if (modifiers != ModifierKeys.Alt)
{
return;
}
break;
case Key.F:
if (modifiers != ModifierKeys.Control)
{
return;
}
break;
case Key.Tab:
if ((modifiers != ModifierKeys.Shift) && (modifiers != ModifierKeys.None))
{
return;
}
break;
case Key.Enter:
case Key.Home:
case Key.End:
case Key.Up:
case Key.Down:
case Key.Left:
case Key.Right:
case Key.Escape:
case Key.Apps:
if (modifiers != ModifierKeys.None)
{
return;
}
break;
default:
return;
}
CmdKeyProcessed?.Invoke(this, e.Key, modifiers);
e.Handled = true;
}
private void AdjustDataGridViewHeight(Menu? menuPredecessor, double screenHeightMax)
{
double factor = Settings.Default.RowHeighteInPercentage / 100f;
if (NativeMethods.IsTouchEnabled())
{
factor = Settings.Default.RowHeighteInPercentageTouch / 100f;
}
if (menuPredecessor == null)
{
if (dgv.Tag == null && dgv.Items.Count > 0)
{
// dgv.AutoResizeRows(); slightly incorrect depending on dpi
// 100% = 20 instead 21
// 125% = 23 instead 27, 150% = 28 instead 32
// 175% = 33 instead 37, 200% = 35 instead 42
// #418 use 21 as default and scale it manually
double rowHeightDefault = 21.24f * Scaling.FactorByDpi;
Resources["RowHeight"] = (double)(int)((rowHeightDefault * factor * Scaling.Factor) + 0.5);
dgv.Tag = true;
}
}
else
{
// Take over the height from predecessor menu
Resources["RowHeight"] = menuPredecessor.Resources["RowHeight"];
dgv.Tag = true;
}
double heightMaxByOptions = Scaling.Factor * Scaling.FactorByDpi *
450f * (Settings.Default.HeightMaxInPercent / 100f);
MaxHeight = Math.Min(screenHeightMax, heightMaxByOptions);
}
private void AdjustDataGridViewWidth()
{
if (!string.IsNullOrEmpty(textBoxSearch.Text))
{
return;
}
double factorIconSizeInPercent = Settings.Default.IconSizeInPercent / 100f;
// IcoWidth 100% = 21px, 175% is 33, +3+2 is padding from ColumnIcon
double icoWidth = (16 * Scaling.FactorByDpi) + 5;
Resources["ColumnIconWidth"] = (double)(int)((icoWidth * factorIconSizeInPercent * Scaling.Factor) + 0.5);
double renderedMaxWidth = 0D;
foreach (ListViewItemData item in dgv.Items)
{
double renderedWidth = new FormattedText(
item.ColumnText,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface(dgv.FontFamily, dgv.FontStyle, dgv.FontWeight, dgv.FontStretch),
dgv.FontSize,
dgv.Foreground,
VisualTreeHelper.GetDpi(this).PixelsPerDip).Width;
if (renderedWidth > renderedMaxWidth)
{
renderedMaxWidth = renderedWidth;
}
}
Resources["ColumnTextWidth"] = Math.Min(
renderedMaxWidth,
(double)(Scaling.Factor * Scaling.FactorByDpi * 400f * (Settings.Default.WidthMaxInPercent / 100f)));
}
private void HandleScrollChanged(object sender, ScrollChangedEventArgs e)
{
if (IsLoaded)
{
MenuScrolled?.Invoke();
}
}
private void TextBoxSearch_TextChanged(bool causedByWatcherUpdate)
{
SearchTextChanging?.Invoke();
string? userPattern = textBoxSearch.Text?.Replace("%", " ").Replace("*", " ").ToLower();
CollectionView view = (CollectionView)CollectionViewSource.GetDefaultView(dgv.ItemsSource);
if (string.IsNullOrEmpty(userPattern))
{
SizeToContent = SizeToContent.WidthAndHeight;
view.Filter = null;
}
else
{
SizeToContent = SizeToContent.Height;
// Instead implementing in-string wildcards, simply split into multiple search patters
view.Filter = (object item) =>
{
// Look for each space separated string if it is part of an entries text (case insensitive)
ListViewItemData itemData = (ListViewItemData)item;
foreach (string pattern in userPattern.Split(' ', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries))
{
if (!itemData.ColumnText.ToLower().Contains(pattern))
{
return false;
}
}
return true;
};
}
#if TODO // SEARCH
DataTable data = (DataTable)dgv.DataSource;
string columnSortIndex = "SortIndex";
if (string.IsNullOrEmpty(userPattern))
{
foreach (DataRow row in data.Rows)
{
RowData rowData = (RowData)row[2];
if (rowData.IsAddionalItem && Settings.Default.ShowOnlyAsSearchResult)
{
row[columnSortIndex] = 99;
}
else
{
row[columnSortIndex] = 0;
}
}
data.DefaultView.Sort = string.Empty;
data.AcceptChanges();
}
else
{
foreach (DataRow row in data.Rows)
{
if (row[1].ToString().StartsWith(
searchString,
StringComparison.InvariantCultureIgnoreCase))
{
row[columnSortIndex] = 0;
}
else
{
row[columnSortIndex] = 1;
}
}
data.DefaultView.Sort = columnSortIndex;
}
int foldersCount = 0;
int filesCount = 0;
bool anyIconNotUpdated = false;
foreach (DataGridViewRow row in dgv.Rows)
{
RowData rowData = (RowData)row.Cells[2].Value;
if (!string.IsNullOrEmpty(userPattern) ||
!(rowData.IsAddionalItem && Settings.Default.ShowOnlyAsSearchResult))
{
rowData.RowIndex = row.Index;
if (rowData.ContainsMenu)
{
foldersCount++;
}
else
{
filesCount++;
}
if (rowData.IconLoading)
{
anyIconNotUpdated = true;
}
}
}
SetCounts(foldersCount, filesCount);
#endif
SearchTextChanged?.Invoke(this, string.IsNullOrEmpty(userPattern), causedByWatcherUpdate);
#if TODO // SEARCH
if (anyIconNotUpdated)
{
timerUpdateIcons.Start();
}
#endif
}
private void PictureBoxOpenFolder_Click(object sender, RoutedEventArgs e)
{
Menus.OpenFolder(folderPath);
}
private void PictureBoxMenuAlwaysOpen_Click(object sender, RoutedEventArgs e)
{
if (Config.AlwaysOpenByPin = !Config.AlwaysOpenByPin)
{
pictureBoxMenuAlwaysOpen.Source = (DrawingImage)Resources["ic_fluent_pin_48_filledDrawingImage"];
}
else
{
pictureBoxMenuAlwaysOpen.Source = (DrawingImage)Resources["ic_fluent_pin_48_regularDrawingImage"];
}
}
private void PictureBoxSettings_MouseClick(object sender, RoutedEventArgs e)
{
SettingsWindow.ShowSingleInstance();
}
private void PictureBoxRestart_MouseClick(object sender, RoutedEventArgs e)
{
AppRestart.ByMenuButton();
}
private void TimerUpdateIcons_Tick(object? sender, EventArgs e)
{
int iconsToUpdate = 0;
foreach (ListViewItemData itemData in dgv.Items)
{
RowData rowData = itemData.data;
rowData.RowIndex = dgv.Items.IndexOf(itemData);
if (rowData.IconLoading)
{
iconsToUpdate++;
rowData.ReadIcon(false);
if (rowData.Icon != null)
{
itemData.ColumnIcon = rowData.Icon.ToImageSource();
}
}
}
if (iconsToUpdate < 1)
{
timerUpdateIcons.Stop();
}
}
private void Menu_MouseDown(object sender, MouseButtonEventArgs e)
{
if (Level == 0)
{
mouseDown = true;
lastLocation = NativeMethods.Screen.CursorPosition;
UserDragsMenu?.Invoke(this);
Mouse.Capture(this);
}
}
private void Menu_MouseMove(object sender, MouseEventArgs e)
{
if (mouseDown)
{
Point mousePos = NativeMethods.Screen.CursorPosition;
Left = Left + mousePos.X - lastLocation.X;
Top = Top + mousePos.Y - lastLocation.Y;
lastLocation = mousePos;
Settings.Default.CustomLocationX = (int)Left;
Settings.Default.CustomLocationY = (int)Top;
}
}
private void Menu_MouseUp(object sender, MouseButtonEventArgs e)
{
mouseDown = false;
Mouse.Capture(null);
if (Settings.Default.UseCustomLocation)
{
if (!SettingsWindow.IsOpen())
{
Settings.Default.Save();
}
}
}
private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs? e)
{
if (e != null)
{
foreach (ListViewItemData itemData in e.AddedItems)
{
itemData.IsSelected = true;
itemData.UpdateColors();
}
foreach (ListViewItemData itemData in e.RemovedItems)
{
itemData.IsSelected = false;
itemData.UpdateColors();
}
}
else
{
// TODO: Refactor item selection to prevent running this loop
ListView lv = (ListView)sender;
foreach (ListViewItemData itemData in lv.Items)
{
itemData.IsSelected = lv.SelectedItem == itemData;
itemData.UpdateColors();
}
}
}
private void ListViewItem_MouseEnter(object sender, MouseEventArgs e) =>
CellMouseEnter?.Invoke(this, (ListViewItemData)((ListViewItem)sender).Content);
private void ListViewItem_MouseLeave(object sender, MouseEventArgs e) => CellMouseLeave?.Invoke();
private void ListViewItem_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
ListViewItemData itemData = (ListViewItemData)((ListViewItem)sender).Content;
CellMouseDown?.Invoke(this, itemData);
if (e.RightButton == MouseButtonState.Pressed)
{
var position = Mouse.GetPosition(this);
position.Offset(Left, Top);
itemData.OpenShellContextMenu(position);
}
}
private void ListViewItem_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
ListViewItemData itemData = (ListViewItemData)((ListViewItem)sender).Content;
itemData.OpenItem(out bool doClose, e.ClickCount);
if (e.ClickCount == 1)
{
CellOpenOnClick?.Invoke(this, itemData);
}
if (doClose)
{
ClosePressed?.Invoke();
}
}
/// <summary>
/// Type for ListView items.
/// </summary>
internal class ListViewItemData : INotifyPropertyChanged
{
private Brush? backgroundBrush;
private Brush? borderBrush;
private ImageSource? columnIcon;
private bool isSelected;
internal ListViewItemData(ImageSource? columnIcon, string columnText, RowData rowData, int sortIndex)
{
this.columnIcon = columnIcon;
ColumnText = columnText;
data = rowData;
SortIndex = sortIndex;
}
public event PropertyChangedEventHandler? PropertyChanged;
public Brush? BackgroundBrush
{
get => backgroundBrush;
private set
{
if (value != backgroundBrush)
{
backgroundBrush = value;
CallPropertyChanged();
}
}
}
public Brush? BorderBrush
{
get => borderBrush;
private set
{
if (value != borderBrush)
{
borderBrush = value;
CallPropertyChanged();
}
}
}
public ImageSource? ColumnIcon
{
get => columnIcon;
set
{
if (value != columnIcon)
{
columnIcon = value;
CallPropertyChanged();
}
}
}
public string ColumnText { get; }
[System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:Benennungsstile", Justification = "Temporarily retained for compatibility reasons")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.NamingRules", "SA1300:Element should begin with upper-case letter", Justification = "Temporarily retained for compatibility reasons")]
internal RowData data { get; set; }
internal int SortIndex { get; set; }
internal bool IsPendingOpenItem { get; set; }
internal bool IsSelected
{
get => isSelected;
set
{
if (value != isSelected)
{
isSelected = value;
CallPropertyChanged();
}
}
}
public override string ToString() => nameof(ListViewItemData) + ": " + ColumnText + ", Owner: " + (data.Owner?.ToString() ?? "null");
/// <summary>
/// Triggers an PropertyChanged event of INotifyPropertyChanged.
/// </summary>
/// <param name="propertyName">Name of the changing property.</param>
public void CallPropertyChanged([CallerMemberName] string? propertyName = null) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
internal void OpenItem(out bool doCloseAfterOpen, int clickCount = -1) => data.OpenItem(out doCloseAfterOpen, clickCount);
internal void OpenShellContextMenu(Point position)
{
if (data.IsPointingToFolder)
{
ShellContextMenu.OpenShellContextMenu(new DirectoryInfo(data.Path), position);
}
else
{
ShellContextMenu.OpenShellContextMenu(data.FileInfo, position);
}
}
internal void UpdateColors()
{
if (data.SubMenu != null)
{
BorderBrush = MenuDefines.ColorOpenFolderBorder;
BackgroundBrush = MenuDefines.ColorOpenFolder;
}
else if (IsSelected)
{
BorderBrush = MenuDefines.ColorSelectedItemBorder;
BackgroundBrush = MenuDefines.ColorSelectedItem;
}
else
{
BorderBrush = Brushes.White;
BackgroundBrush = Brushes.White;
}
}
}
}
}