/
MainWindowViewModel.cs
1364 lines (1089 loc) · 42.2 KB
/
MainWindowViewModel.cs
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Management;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Windows;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Threading;
using Microsoft.Win32;
using ProverbTeleprompter.Converters;
using ProverbTeleprompter.Helpers;
using ProverbTeleprompter.Properties;
using Tools.API.Messages.lParam;
using Application = System.Windows.Application;
using Brushes = System.Windows.Media.Brushes;
using DataFormats = System.Windows.DataFormats;
using Image = System.Windows.Controls.Image;
using KeyEventArgs = System.Windows.Input.KeyEventArgs;
using MessageBox = System.Windows.MessageBox;
using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
using Point = System.Windows.Point;
using RichTextBox = System.Windows.Controls.RichTextBox;
using SaveFileDialog = Microsoft.Win32.SaveFileDialog;
using Size = System.Windows.Size;
namespace ProverbTeleprompter
{
public partial class MainWindowViewModel : NotifyPropertyChangedBase, IDisposable
{
private static readonly SemaphoreSlim ChangeSemaphore = new SemaphoreSlim(1);
private readonly DispatcherTimer _scrollTimer;
private ObservableCollection<Bookmark> _bookmarks = new ObservableCollection<Bookmark>();
private bool _configInitialized;
private TimeSpan _eta;
private double _pixelsPerSecond;
private double _prevScrollOffset;
private DateTime _prevTime = DateTime.Now;
private double _speedBoostAmount;
private TalentWindow _talentWindow;
private int _ticksElapsed;
private ToolsWindow _toolsWindow;
private Process _wordpadProcess;
public MainWindowViewModel(RichTextBox mainTextBox)
{
_scrollTimer = new DispatcherTimer (DispatcherPriority.Render) {Interval = new TimeSpan(0, 0, 0, 0, 15), IsEnabled = true};
_scrollTimer.Tick += _scrollTimer_Tick;
_scrollTimer.Start();
MainTextBox = mainTextBox;
MultipleMonitorsAvailable = SystemInformation.MonitorCount > 1;
SystemHandler.RemoteButtonPressed += RemoteButtonPressed;
SystemEvents.DisplaySettingsChanged += SystemEvents_DisplaySettingsChanged;
SystemEvents.DisplaySettingsChanged += new EventHandler(SystemEvents_DisplaySettingsChanged);
KeyboardHookHelpers.CreateHook();
KeyboardHookHelpers.KeyDown += KeyboardHookHelpers_KeyDown;
KeyboardHookHelpers.KeyPress += KeyboardHookHelpers_KeyPress;
KeyboardHookHelpers.KeyUp += KeyboardHookHelpers_KeyUp;
Displays = new ObservableCollection<string>(Screen.AllScreens.Select(x => x.DeviceName));
MainTextBox.SizeChanged += new SizeChangedEventHandler(MainTextBox_SizeChanged);
MainTextBox.TextChanged += new System.Windows.Controls.TextChangedEventHandler(MainTextBox_TextChanged);
}
void MainTextBox_TextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e)
{
StartCalcBookmarks();
}
DispatcherTimer _calcBookmarksTimer = new DispatcherTimer();
void MainTextBox_SizeChanged(object sender, SizeChangedEventArgs e)
{
StartCalcBookmarks(5);
}
private void StartCalcBookmarks(int delay = 1)
{
_calcBookmarksTimer.Stop();
_calcBookmarksTimer.Interval = new TimeSpan(0, 0, 0, delay);
_calcBookmarksTimer.Tick -= calcBookmarksTimer_Tick;
_calcBookmarksTimer.Tick += calcBookmarksTimer_Tick;
_calcBookmarksTimer.Start();
}
void calcBookmarksTimer_Tick(object sender, EventArgs e)
{
_calcBookmarksTimer.Stop();
UpdateBookmarks();
}
private void UpdateBookmarks()
{
LoadBookmarks(MainDocument);
//Bookmarks = new ObservableCollection<Bookmark>(CalculateAllBookMarkInfo());
}
private IEnumerable<Bookmark> CalculateAllBookMarkInfo()
{
Debug.WriteLine("Calc all bookmark info");
return Bookmarks.Select(bookmark => CalculateBookMarkInfo(bookmark)).Where(bm => bm != null);
}
/// <summary>
///
/// </summary>
/// <param name="bm"></param>
/// <param name="bookmarkOffset"></param>
/// <returns>The updated bookmark, null if the hyperlink no longer exists in the document</returns>
private Bookmark CalculateBookMarkInfo(Bookmark bm, double? bookmarkOffset = null)
{
if(!bookmarkOffset.HasValue)
{
var rect = bm.Hyperlink.ContentStart.GetCharacterRect(LogicalDirection.Forward);
if(rect.IsEmpty)
{
return null;
}
bookmarkOffset = rect.Top;
}
TextPointer pos = MainTextBox.GetPositionFromPoint(new Point(0, bookmarkOffset.GetValueOrDefault()), true);
TextPointer endPos = MainTextBox.GetPositionFromPoint(new Point(MainTextBox.ActualWidth, bookmarkOffset.GetValueOrDefault()), true);
if (pos == null)
{
Trace.Fail("Could not get text start position for bookmark");
return null;
}
if (endPos == null)
{
Trace.Fail("Could not get text end position for bookmark");
return null;
}
int num = DocumentHelpers.GetLineNumberFromPosition(_mainTextBox, pos);
if (bm.Hyperlink == null)
{
var hyperlink = new Hyperlink(pos, pos);
bm.Hyperlink = hyperlink;
if (BookmarkImage != null)
{
var img = new Image();
img.Source = BookmarkImage;
img.Visibility = Visibility.Collapsed;
bm.Image = img;
hyperlink.Inlines.Add(" ");
}
}
var textRange = new TextRange(pos, endPos);
string toolTipText = textRange.Text;
bm.Line = num;
bm.TopOffset = bookmarkOffset.GetValueOrDefault();
if (string.IsNullOrWhiteSpace(toolTipText))
{
toolTipText = "<<Blank line>>";
}
bm.TooltipText = string.Format("{0} (Line: {1})", toolTipText, num);
bm.Name = bm.TooltipText;
bm.Hyperlink.NavigateUri = new Uri(String.Format("http://bookmark/{0}", bm.Name));
bm.Position = pos;
return bm;
}
void SystemEvents_DisplaySettingsChanged(object sender, EventArgs e)
{
Debug.WriteLine(@"
#############################################
SystemEvents_DisplaySettingsChanged
#############################################
");
ShowDisplayDiagnostics();
SetScreenState();
}
private void SetScreenState()
{
Displays = new ObservableCollection<string>(Screen.AllScreens.Select(x => x.DeviceName));
MultipleMonitorsAvailable = Screen.AllScreens.Count() > 1;
if (!MultipleMonitorsAvailable && Displays.Count == 1)
{
SelectedTalentWindowDisplay = Displays[0];
}
if (Displays.Count > 1)
{
SelectedTalentWindowDisplay = Displays[1];
}
MoveTalentWindowToDisplay(SelectedTalentWindowDisplay);
}
private void ShowDisplayDiagnostics()
{
var details = DisplayDetails.GetMonitorDetails();
#region Diagnostics
Debug.WriteLine("****************** GetWorkingArea: {0}", Screen.GetWorkingArea(new System.Drawing.Point(0, 0)));
Debug.WriteLine("****************** GetBounds: {0}", Screen.GetBounds(new System.Drawing.Point(0, 0)));
Debug.WriteLine("****************** Primary Screen: {0}", Screen.PrimaryScreen.DeviceName, 0);
Debug.WriteLine("****************** EntireDesktop Res: {0}", ScreenHelpers.GetEntireDesktopArea(), 0);
foreach (var displayDetails in details)
{
Debug.WriteLine("DETAILS:");
Debug.WriteLine("\t\tAvailability: {0}", displayDetails.Availability);
Debug.WriteLine("\t\tModel: {0}", displayDetails.Model, 0);
Debug.WriteLine("\t\tMonitorID: {0}", displayDetails.MonitorID, 0);
Debug.WriteLine("\t\tPixelHeight: {0}", displayDetails.PixelHeight, 0);
Debug.WriteLine("\t\tPixelWidth: {0}", displayDetails.PixelWidth);
Debug.WriteLine("\t\tPnPID: {0}", displayDetails.PnPID, 0);
Debug.WriteLine("\t\tSerialNumber: {0}", displayDetails.SerialNumber, 0);
}
Debug.WriteLine("********* SCREENS *********");
var screens = Screen.AllScreens;
foreach (var screen in screens)
{
Debug.WriteLine("SCREEN:");
Debug.WriteLine("\t\tBitsPerPixel: {0}", screen.BitsPerPixel, 0);
Debug.WriteLine("\t\tBounds: {0}", screen.Bounds, 0);
Debug.WriteLine("\t\tDeviceName: {0}", screen.DeviceName, 0);
Debug.WriteLine("\t\tPrimary: {0}", screen.Primary, 0);
Debug.WriteLine("\t\tWorkingArea: {0}", screen.WorkingArea, 0);
}
#endregion
}
void KeyboardHookHelpers_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
GlobalKeyUp(sender, e);
}
void KeyboardHookHelpers_KeyPress(object sender, KeyPressEventArgs e)
{
}
void KeyboardHookHelpers_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
GlobalKeyDown(sender, e);
}
public ObservableCollection<Bookmark> Bookmarks
{
get { return _bookmarks; }
set
{
_bookmarks = value;
Changed(() => Bookmarks);
}
}
#region IDisposable Members
public void Dispose()
{
KillWordPadProcess();
SystemEvents.DisplaySettingsChanged -= SystemEvents_DisplaySettingsChanged;
if (_talentWindow != null)
{
_talentWindow.Close();
}
}
#endregion
private void _scrollTimer_Tick(object sender, EventArgs e)
{
_ticksElapsed++;
if (!Paused && Speed.CompareTo(0) != 0)
{
MainScrollerVerticalOffset = MainScrollerVerticalOffset + Speed;
}
else if(TotalBoostAmount.CompareTo(0) != 0)
{
MainScrollerVerticalOffset = MainScrollerVerticalOffset +
TotalBoostAmount;
}
//Only update calculations every 10 timer ticks (100 ms)
if (_ticksElapsed%10 == 0)
{
//Calculate pixels per second (velocity)
if (DateTime.Now - _prevTime > TimeSpan.FromSeconds(1))
{
CalcEta();
}
PercentComplete = ((MainScrollerVerticalOffset + EyelinePosition)/
(MainScrollerExtentHeight + EyelinePosition))*100;
}
}
private void CalcEta()
{
TimeSpan diff = DateTime.Now - _prevTime;
double pixelChange = (MainScrollerVerticalOffset - _prevScrollOffset);
_pixelsPerSecond = pixelChange/diff.TotalSeconds;
double pixelsToGo = MainScrollerExtentHeight - MainScrollerVerticalOffset;
if (pixelsToGo == 0)
{
TimeRemaining = TimeSpan.FromSeconds(0).ToString();
return;
}
double secondsToDone = pixelsToGo/_pixelsPerSecond;
_eta = new TimeSpan(0, 0, (int) secondsToDone);
TimeRemaining = _eta >= TimeSpan.FromSeconds(0) ? _eta.ToString() : "N/A";
_prevTime = DateTime.Now;
_prevScrollOffset = MainScrollerVerticalOffset;
}
public void InitializeConfig()
{
_configInitialized = true;
Speed = DefaultSpeed = Settings.Default.Speed;
DocumentPath = Settings.Default.DocumentPath;
if (!string.IsNullOrWhiteSpace(_documentPath) && File.Exists(DocumentPath))
{
LoadDocument(DocumentPath);
}
else
{
//Load default text
using (var ms = new MemoryStream(Encoding.Default.GetBytes(Resources.Proverbs_1)))
{
DocumentHelpers.LoadDocument(ms, MainDocument, DataFormats.Rtf);
}
}
SetDocumentConfig();
FlipTalentWindowVert = Settings.Default.FlipTalentWindowVert;
FlipTalentWindowHoriz = Settings.Default.FlipTalentWindowHoriz;
FlipMainWindowVert = Settings.Default.FlipMainWindowVert;
FlipMainWindowHoriz = Settings.Default.FlipMainWindowHoriz;
TalentWindowLeft = Settings.Default.TalentWindowLeft;
TalentWindowTop = Settings.Default.TalentWindowTop;
TalentWindowWidth = Settings.Default.TalentWindowWidth;
TalentWindowHeight = Settings.Default.TalentWindowHeight;
FullScreenTalentWindow = Settings.Default.TalentWindowState != WindowState.Normal;
SelectedTalentWindowDisplay = Settings.Default.SelectedTalentWindowDisplay;
TalentWindowState = Settings.Default.TalentWindowState;
EyelinePosition = Settings.Default.EyeLinePosition;
if (Settings.Default.TalentWindowVisible)
{
ToggleTalentWindow();
}
MainWindowState = Settings.Default.MainWindowState;
ReceiveGlobalKeystrokes = Settings.Default.ReceiveGlobalKeystrokes;
}
public void SetDocumentConfig()
{
string colorScheme = Settings.Default.ColorScheme;
if (colorScheme != null && colorScheme.ToLowerInvariant() == "whiteonblack")
{
if (IsWhiteOnBlack)
{
SetWhiteOnBlack();
}
IsWhiteOnBlack = true;
IsBlackOnWhite = false;
}
else
{
if (IsBlackOnWhite)
{
SetBlackOnWhite();
}
IsBlackOnWhite = true;
IsWhiteOnBlack = false;
}
FontSize = Settings.Default.FontSize;
LineHeight = Settings.Default.LineHeight;
LoadBookmarks(MainDocument);
TextMarginValue = Settings.Default.TextMarginValue;
OuterLeftRightMarginValue = Settings.Default.OuterLeftRightMarginValue;
EyelineHeight = Settings.Default.EyelineHeight;
EyelineWidth = Settings.Default.EyelineWidth;
}
public void LoadDocument(string fullFilePath)
{
try
{
string ext = Path.GetExtension(fullFilePath).ToLowerInvariant();
string dataFormat = DataFormats.Rtf;
if (ext.EndsWith("xaml"))
{
dataFormat = DataFormats.Xaml;
}
else if (ext.EndsWith("txt"))
{
dataFormat = DataFormats.Text;
}
using (var fStream = new FileStream(fullFilePath, FileMode.Open))
{
LoadDocument(fStream, dataFormat);
}
if (fullFilePath == DocumentPath)
{
IsDocumentDirty = false;
}
WatchDocumentForChanges(_documentPath, Document_Changed);
}
catch (Exception ex)
{
Debug.Write(ex.Message);
}
}
private void LoadDocument(Stream documentStream, string dataFormat)
{
documentStream.Seek(0, SeekOrigin.Begin);
DocumentHelpers.LoadDocument(documentStream, MainDocument, dataFormat);
SetDocumentConfig();
SetColorScheme();
}
public void SaveDocument(string fullFilePath)
{
TextRange range;
FileStream fStream;
try
{
UnWatchDocumentForChanges(fullFilePath, Document_Changed);
range = new TextRange(MainDocument.ContentStart, MainDocument.ContentEnd);
using (fStream = new FileStream(fullFilePath, FileMode.Create))
{
DocumentHelpers.SaveDocument(fStream, MainDocument, DataFormats.Rtf);
}
if (fullFilePath == DocumentPath)
{
IsDocumentDirty = false;
}
string xamlPath = Path.Combine(Path.GetDirectoryName(fullFilePath),
Path.GetFileNameWithoutExtension(fullFilePath) + ".xaml");
using (fStream = new FileStream(xamlPath, FileMode.Create))
{
DocumentHelpers.SaveDocument(fStream, MainDocument, DataFormats.Xaml);
}
}
finally
{
WatchDocumentForChanges(fullFilePath, Document_Changed);
}
}
private void WatchDocumentForChanges(string fullFilePath, Action<object, FileSystemEventArgs> onChangedAction)
{
if (!WatchedFiles.ContainsKey(fullFilePath))
{
var fsw = new FileSystemWatcher();
fsw.BeginInit();
fsw.Path = Path.GetDirectoryName(fullFilePath);
fsw.Filter = Path.GetFileName(fullFilePath);
fsw.IncludeSubdirectories = false;
fsw.NotifyFilter = NotifyFilters.LastWrite;
fsw.Changed += onChangedAction.Invoke;
fsw.EnableRaisingEvents = true;
fsw.EndInit();
WatchedFiles.Add(fullFilePath, fsw);
}
}
private void UnWatchDocumentForChanges(string fullFilePath, Action<object, FileSystemEventArgs> onChangedAction)
{
if (WatchedFiles.ContainsKey(fullFilePath))
{
WatchedFiles[fullFilePath].Changed -= onChangedAction.Invoke;
WatchedFiles[fullFilePath].EnableRaisingEvents = false;
WatchedFiles[fullFilePath].Dispose();
WatchedFiles.Remove(fullFilePath);
}
}
private void Document_Changed(object sender, FileSystemEventArgs e)
{
try
{
ChangeSemaphore.Wait();
var storeStream = new MemoryStream();
using (FileStream filestream = File.OpenRead(e.FullPath))
{
storeStream.SetLength(filestream.Length);
filestream.Read(storeStream.GetBuffer(), 0, (int) filestream.Length);
storeStream.Flush();
}
Application.Current.Dispatcher.Invoke((Action) (() =>
{
DocumentHelpers.LoadDocument(storeStream,
MainDocument,
DataFormats.Rtf);
storeStream.Dispose();
SetDocumentConfig();
}));
}
catch (Exception)
{
}
finally
{
ChangeSemaphore.Release();
}
}
private void SetColorScheme()
{
if (IsBlackOnWhite)
{
SetBlackOnWhite();
}
else if (IsWhiteOnBlack)
{
SetWhiteOnBlack();
}
}
private void SetWhiteOnBlack()
{
MainDocument.Background = Brushes.Black;
DocumentHelpers.ChangePropertyValue(MainDocument, TextElement.ForegroundProperty, Brushes.White,
Brushes.Black);
DocumentHelpers.ChangePropertyValue(MainDocument, TextElement.BackgroundProperty, Brushes.Black,
Brushes.White);
if (_configInitialized)
AppConfigHelper.SetUserSetting("ColorScheme", "WhiteOnBlack");
MainDocumentCaretBrush = Brushes.White;
}
private void SetBlackOnWhite()
{
MainDocument.Background = Brushes.White;
DocumentHelpers.ChangePropertyValue(MainDocument, TextElement.ForegroundProperty, Brushes.Black,
Brushes.White);
DocumentHelpers.ChangePropertyValue(MainDocument, TextElement.BackgroundProperty, Brushes.White,
Brushes.Black);
if (_configInitialized)
AppConfigHelper.SetUserSetting("ColorScheme", "BlackOnWhite");
MainDocumentCaretBrush = Brushes.Black;
}
public void EditInWordpad()
{
KillWordPadProcess();
//Cancelled from saving document
if (string.IsNullOrWhiteSpace(DocumentPath))
{
return;
}
TempDocumentPath = Path.Combine(Path.GetTempPath(), Path.GetFileName(DocumentPath));
using (var ms = new MemoryStream())
{
DocumentHelpers.SaveDocument(ms, MainDocument, DataFormats.Rtf);
// SaveDocument(_tempDocumentPath);
var tempDoc = new FlowDocument();
DocumentHelpers.LoadDocument(ms, tempDoc, DataFormats.Rtf);
ConvertDocumentToEditableFormat(tempDoc);
using (FileStream tempFileStream = File.OpenWrite(_tempDocumentPath))
{
DocumentHelpers.SaveDocument(tempFileStream, tempDoc, DataFormats.Rtf);
}
}
WatchDocumentForChanges(_tempDocumentPath, Document_Changed);
var info = new ProcessStartInfo();
info.Arguments = string.Format("\"{0}\"", _tempDocumentPath);
info.FileName = "wordpad.exe";
_wordpadProcess = Process.Start(info);
}
public static void ConvertDocumentToEditableFormat(FlowDocument document)
{
DocumentHelpers.ChangePropertyValue(document, TextElement.FontSizeProperty, (double) 12);
DocumentHelpers.ChangePropertyValue(document, TextElement.ForegroundProperty, Brushes.Black, Brushes.White);
DocumentHelpers.ChangePropertyValue(document, TextElement.BackgroundProperty, Brushes.White, Brushes.Black);
}
private void LoadBookmarks(FlowDocument document)
{
Bookmarks.Clear();
IEnumerable<Hyperlink> hyperlinks = document.GetLogicalChildren<Hyperlink>(true);
foreach (Hyperlink hyperlink in hyperlinks)
{
AddBookmarkFromHyperlink(hyperlink);
}
}
private void AddBookmarkFromHyperlink(Hyperlink hyperlink)
{
if (hyperlink.NavigateUri.IsAbsoluteUri && hyperlink.NavigateUri.Host.StartsWith("bookmark"))
{
var bm = new Bookmark();
bm.Name = Uri.UnescapeDataString(hyperlink.NavigateUri.Segments[1]);
bm.Hyperlink = hyperlink;
CalculateBookMarkInfo(bm);
Bookmarks.Add(bm);
bm.Ordinal = Bookmarks.Count;
//bm.Image = (hyperlink.Inlines.FirstInline as InlineUIContainer).Child as Image;
// bm.Image.Height = FontSizeSlider.Value;
}
}
private void SaveDocumentAs(string documentPath)
{
var dlg = new SaveFileDialog();
if (!string.IsNullOrWhiteSpace(documentPath))
{
dlg.FileName = Path.GetFileName(documentPath);
dlg.InitialDirectory = Path.GetDirectoryName(documentPath);
}
else
{
dlg.FileName = "untitled"; // Default file name
}
dlg.DefaultExt = ".rtf"; // Default file extension
dlg.Filter = "Rich Text Documents|*.rtf"; // Filter files by extension
// Show save file dialog box
bool? result = dlg.ShowDialog();
// Process save file dialog box results
if (result == true)
{
// Save document
DocumentPath = dlg.FileName;
if (!string.IsNullOrWhiteSpace(DocumentPath))
{
SaveDocument(DocumentPath);
}
}
}
private void LoadDocumentDialog(string documentPath)
{
var dlg = new OpenFileDialog();
if (!string.IsNullOrWhiteSpace(documentPath))
{
dlg.FileName = Path.GetFileName(documentPath);
dlg.InitialDirectory = Path.GetDirectoryName(documentPath);
dlg.Multiselect = false;
dlg.Title = "Load document for Proverb Teleprompter...";
}
dlg.DefaultExt = ".rtf"; // Default file extension
dlg.Filter = "Rich Text Documents|*.rtf|XAML Documents|*.xaml|Text Documents|*.txt";
// Filter files by extension
// Show save file dialog box
bool? result = dlg.ShowDialog();
// Process open file dialog box results
if (result == true)
{
// Load document
DocumentPath = dlg.FileName;
if (!string.IsNullOrWhiteSpace(DocumentPath))
{
LoadDocument(DocumentPath);
}
}
}
private void InsertBookmarkAtCurrentEyelineMark()
{
double bookmarkOffset = MainScrollerVerticalOffset + EyelinePosition + (EyelineHeight / 2);
var bm = new Bookmark();
CalculateBookMarkInfo(bm, bookmarkOffset);
bm.Ordinal = Bookmarks.Count;
Bookmarks.Add(bm);
}
private void JumpToBookmark(Bookmark bookmark)
{
if (bookmark == null) return;
var rect = bookmark.Hyperlink.ContentStart.GetCharacterRect(LogicalDirection.Forward);
MainScrollerVerticalOffset = rect.Top - EyelinePosition;
_mainTextBox.CaretPosition = bookmark.Hyperlink.ContentStart;
SelectedBookmark = bookmark;
}
private void JumpToBookmarkByOrdinal(int ordinal)
{
int ct = 0;
foreach (Bookmark bookmark in Bookmarks)
{
ct++;
if (ct == ordinal)
{
JumpToBookmark(bookmark);
return;
}
}
}
public bool CanShutDownApp()
{
if (IsDocumentDirty)
{
string caption = "The document has unsaved changes, would you like to save them?";
if (!string.IsNullOrWhiteSpace(DocumentPath))
{
caption = string.Format("The document: {0} has unsaved changed, do you want to save them?",
DocumentPath);
}
MessageBoxResult result = MessageBox.Show(caption, caption, MessageBoxButton.YesNoCancel,
MessageBoxImage.Warning);
if (result == MessageBoxResult.Yes)
{
if(!string.IsNullOrWhiteSpace(DocumentPath) && File.Exists(DocumentPath))
{
SaveDocument(DocumentPath);
}
else
{
SaveDocumentAs(DocumentPath);
}
}
else if (result == MessageBoxResult.Cancel)
{
return false;
}
}
return true;
}
private void KillWordPadProcess()
{
if (_wordpadProcess != null && !_wordpadProcess.HasExited)
{
_wordpadProcess.CloseMainWindow();
_wordpadProcess.Close();
}
}
public void ToggleToolsWindow()
{
if (_toolsWindow == null)
{
_toolsWindow = new ToolsWindow();
_toolsWindow.DataContext = this;
_toolsWindow.Owner = Application.Current.MainWindow;
_toolsWindow.Topmost = true;
// _toolsWindow.ShowActivated = false;
_toolsWindow.PreviewKeyDown += KeyDown;
_toolsWindow.PreviewKeyUp += KeyUp;
_toolsWindow.Closing += _toolsWindow_Closing;
_toolsWindow.Loaded += _toolsWindow_Loaded;
}
if (_toolsWindow.Visibility == Visibility.Visible)
{
_toolsWindow.Visibility = Visibility.Collapsed;
_toolsWindow.Hide();
}
else
{
_toolsWindow.Show();
}
}
private void _toolsWindow_Loaded(object sender, RoutedEventArgs e)
{
var area = Screen.PrimaryScreen.WorkingArea;
var winHeight = ConvertFromDIPixelsToPixels(_toolsWindow.ActualHeight);
var winWidth = ConvertFromDIPixelsToPixels(_toolsWindow.Width);
var winTop = area.Height - winHeight;
_toolsWindow.Top = ConvertPixelsToDIPixels(area.Height - winHeight);
var leftPixels = area.Width/2.0 - winWidth/2.0;
//Check if right edge will be off screen
if(leftPixels + winWidth > area.Width)
{
_toolsWindow.SizeToContent = SizeToContent.Manual;
//resize and re-center
winWidth = area.Width;
leftPixels = 0;
_toolsWindow.Width = ConvertPixelsToDIPixels(winWidth);
_toolsWindow.Height = ConvertPixelsToDIPixels(winHeight);
}
_toolsWindow.Left = ConvertPixelsToDIPixels(leftPixels);
}
[DllImport("User32.dll")]
private static extern IntPtr GetDC(HandleRef hWnd);
[DllImport("User32.dll")]
private static extern int ReleaseDC(HandleRef hWnd, HandleRef hDC);
[DllImport("GDI32.dll")]
private static extern int GetDeviceCaps(HandleRef hDC, int nIndex);
private static int _dpi = 0;
public static int Dpi
{
get
{
if (_dpi == 0)
{
var desktopHwnd = new HandleRef(null, IntPtr.Zero);
var desktopDC = new HandleRef(null, GetDC(desktopHwnd));
try
{
_dpi = GetDeviceCaps(desktopDC, 88/*LOGPIXELSX*/);
}
finally
{
ReleaseDC(desktopHwnd, desktopDC);
}
}
return _dpi;
}
}
public static double ConvertPixelsToDIPixels(double pixels)
{
return (double)pixels * 96 / Dpi;
}
public static double ConvertFromDIPixelsToPixels(double pixels)
{
return (double)pixels / 96 * Dpi;
}
private static void _toolsWindow_Closing(object sender, CancelEventArgs e)
{
e.Cancel = true;
((Window) sender).Owner.Close();
}
#region Input Handlers
internal void GlobalKeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
var key = KeyInterop.KeyFromVirtualKey(e.KeyValue);
if(!e.Alt && !e.Shift && !e.Control)
HandleKeyDown(key, true);
}
internal void GlobalKeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
var key = KeyInterop.KeyFromVirtualKey(e.KeyValue);
HandleKeyUp(key, true);
}
internal void KeyDown(object sender, KeyEventArgs e)
{
if (!ReceiveGlobalKeystrokes)
{
e.Handled = HandleKeyDown(e.Key, false);
}
}
internal void KeyUp(object sender, KeyEventArgs e)