mirror of
https://github.com/Hofknecht/SystemTrayMenu.git
synced 2024-10-03 10:36:30 +13:00
bb198a32db
Improve UI updates due to unnecessary color and selection changes of menus' lists Fix selection when going back to previous menu via key
166 lines
5 KiB
C#
166 lines
5 KiB
C#
// <copyright file="WaitToLoadMenu.cs" company="PlaceholderCompany">
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// Copyright (c) PlaceholderCompany. All rights reserved.
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// </copyright>
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namespace SystemTrayMenu.Handler
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{
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using System;
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using System.Windows.Threading;
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using SystemTrayMenu.DataClasses;
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using SystemTrayMenu.Utilities;
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using static SystemTrayMenu.UserInterface.Menu;
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using ListView = System.Windows.Controls.ListView;
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using Menu = SystemTrayMenu.UserInterface.Menu;
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internal class WaitToLoadMenu : IDisposable
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{
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private readonly DispatcherTimer timerStartLoad = new();
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private ListView? dgv;
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private ListViewItemData? dgvItemData;
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private bool alreadyOpened;
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private bool checkForMouseActive = true;
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internal WaitToLoadMenu()
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{
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timerStartLoad.Interval = TimeSpan.FromMilliseconds(Properties.Settings.Default.TimeUntilOpens);
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timerStartLoad.Tick += WaitStartLoad_Tick;
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}
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internal event Action<RowData>? StartLoadMenu;
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internal event Action<Menu>? CloseMenu;
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internal event Action? StopLoadMenu;
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internal event Action<Menu, ListViewItemData>? MouseEnterOk;
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internal bool MouseActive { get; set; }
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public void Dispose()
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{
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timerStartLoad.Stop();
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}
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internal void MouseEnter(Menu menu, ListViewItemData itemData)
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{
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if (MouseActive)
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{
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MouseEnterOk?.Invoke(menu, itemData);
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timerStartLoad.Stop();
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StopLoadMenu?.Invoke();
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checkForMouseActive = true;
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SetData(menu.GetDataGridView(), itemData);
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timerStartLoad.Start();
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}
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}
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internal void RowSelected(Menu menu, ListViewItemData itemData)
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{
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timerStartLoad.Stop();
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StopLoadMenu?.Invoke();
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SetData(menu.GetDataGridView(), itemData);
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MouseActive = false;
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checkForMouseActive = false;
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timerStartLoad.Start();
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}
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internal void MouseLeave(ListView dgv, ListViewItemData itemData)
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{
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if (MouseActive)
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{
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timerStartLoad.Stop();
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StopLoadMenu?.Invoke();
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ResetData(dgv, itemData);
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}
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}
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internal void RowDeselected(Menu? menu, ListViewItemData? itemData)
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{
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timerStartLoad.Stop();
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StopLoadMenu?.Invoke();
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if (menu != null && itemData != null)
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{
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ResetData(menu.GetDataGridView(), itemData);
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}
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MouseActive = false;
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}
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internal void ClickOpensInstantly(ListView dgv, ListViewItemData itemData)
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{
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timerStartLoad.Stop();
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SetData(dgv, itemData);
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MouseActive = true;
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checkForMouseActive = false;
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CallOpenMenuNow();
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}
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internal void EnterOpensInstantly(Menu menu, ListViewItemData itemData)
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{
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timerStartLoad.Stop();
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StopLoadMenu?.Invoke();
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SetData(menu.GetDataGridView(), itemData);
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MouseActive = false;
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checkForMouseActive = false;
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CallOpenMenuNow();
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}
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private void WaitStartLoad_Tick(object? sender, EventArgs e)
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{
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timerStartLoad.Stop();
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if (!checkForMouseActive || MouseActive)
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{
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CallOpenMenuNow();
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}
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}
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private void CallOpenMenuNow()
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{
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if (!alreadyOpened && dgv != null && dgvItemData != null && dgv.Items.Contains(dgvItemData))
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{
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alreadyOpened = true;
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RowData rowData = dgvItemData.data;
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Menu menu = (Menu)dgv.GetParentWindow();
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rowData.Level = menu.Level;
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// Give the opening window focus
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// if closing window lose focus no window would have focus any more
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menu?.Activate();
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menu?.FocusTextBox();
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Menu? menuToClose = menu?.SubMenu;
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if (menuToClose != null)
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{
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CloseMenu?.Invoke(menuToClose);
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}
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if (rowData.IsPointingToFolder)
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{
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StartLoadMenu?.Invoke(rowData);
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}
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}
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}
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private void SetData(ListView dgv, ListViewItemData itemData)
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{
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if (this.dgv == dgv && dgvItemData == itemData)
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{
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return;
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}
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alreadyOpened = false;
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this.dgv = dgv;
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dgv.SelectedItem = dgvItemData = itemData;
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}
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private void ResetData(ListView dgv, ListViewItemData itemData)
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{
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itemData.IsClicking = false;
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this.dgv = null;
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dgv.SelectedItem = dgvItemData = null;
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}
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}
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}
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