Files
mpv.net/mpv.net/MainForm.cs
Frank Skare 0836b63439 2.5
2019-04-08 04:22:09 +02:00

468 lines
18 KiB
C#

using System;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;
using System.Linq;
using System.Collections.Generic;
using VBNET;
namespace mpvnet
{
public partial class MainForm : Form
{
public static MainForm Instance { get; set; }
public static IntPtr Hwnd;
private Point LastCursorPosChanged;
private int LastCursorChangedTickCount;
private bool IgnoreDpiChanged = true;
private float mpvAutofit = 0.42f;
private bool mpvFullscreen;
private int mpvScreen = -1;
public ContextMenuStripEx CMS;
public MainForm()
{
InitializeComponent();
try
{
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
Application.ThreadException += Application_ThreadException;
Msg.SupportURL = "https://github.com/stax76/mpv.net#support";
Instance = this;
Hwnd = Handle;
MinimumSize = new Size(FontHeight * 16, FontHeight * 9);
Text += " " + Application.ProductVersion;
foreach (var i in mp.mpvConf)
ProcessMpvProperty(i.Key, i.Value);
ProcessCommandLineEarly();
if (mpvScreen == -1) mpvScreen = Array.IndexOf(Screen.AllScreens, Screen.PrimaryScreen);
SetScreen(mpvScreen);
ChangeFullscreen(mpvFullscreen);
}
catch (Exception ex)
{
Msg.ShowException(ex);
}
}
protected void SetScreen(int targetIndex)
{
Screen[] screens = Screen.AllScreens;
if (targetIndex < 0) targetIndex = 0;
if (targetIndex > screens.Length - 1) targetIndex = screens.Length - 1;
SetScreen(screens[Array.IndexOf(screens, screens[targetIndex])]);
}
protected void SetScreen(Screen screen)
{
Rectangle target = screen.Bounds;
Left = target.X + Convert.ToInt32((target.Width - Width) / 2.0);
Top = target.Y + Convert.ToInt32((target.Height - Height) / 2.0);
SetStartFormPositionAndSize();
}
void SetStartFormPositionAndSize()
{
if (IsFullscreen || mp.VideoSize.Width == 0) return;
Screen screen = Screen.FromControl(this);
int height = Convert.ToInt32(screen.Bounds.Height * mpvAutofit);
int width = Convert.ToInt32(height * mp.VideoSize.Width / (double)mp.VideoSize.Height);
Point middlePos = new Point(Left + Width / 2, Top + Height / 2);
var rect = new Native.RECT(new Rectangle(screen.Bounds.X, screen.Bounds.Y, width, height));
NativeHelp.AddWindowBorders(Handle, ref rect);
int left = middlePos.X - rect.Width / 2;
int top = middlePos.Y - rect.Height / 2;
Native.SetWindowPos(Handle, IntPtr.Zero /* HWND_TOP */, left, top, rect.Width, rect.Height, 4 /* SWP_NOZORDER */);
}
void SetFormPositionAndSizeKeepHeight()
{
if (IsFullscreen || mp.VideoSize.Width == 0) return;
Screen screen = Screen.FromControl(this);
int height = ClientSize.Height;
if (height > screen.Bounds.Height * 0.9) height = Convert.ToInt32(screen.Bounds.Height * mpvAutofit);
int width = Convert.ToInt32(height * mp.VideoSize.Width / (double)mp.VideoSize.Height);
Point middlePos = new Point(Left + Width / 2, Top + Height / 2);
var rect = new Native.RECT(new Rectangle(screen.Bounds.X, screen.Bounds.Y, width, height));
NativeHelp.AddWindowBorders(Handle, ref rect);
int left = middlePos.X - rect.Width / 2;
int top = middlePos.Y - rect.Height / 2;
Screen[] screens = Screen.AllScreens;
if (left < screens[0].Bounds.Left) left = screens[0].Bounds.Left;
int maxLeft = screens[0].Bounds.Left + screens.Select((sc) => sc.Bounds.Width).Sum() - rect.Width - SystemInformation.CaptionHeight;
if (left > maxLeft) left = maxLeft;
Native.SetWindowPos(Handle, IntPtr.Zero /* HWND_TOP */, left, top, rect.Width, rect.Height, 4 /* SWP_NOZORDER */);
}
protected void ProcessCommandLineEarly()
{
var args = Environment.GetCommandLineArgs().Skip(1);
foreach (string i in args)
{
if (i.StartsWith("--"))
{
if (i.Contains("="))
{
string left = i.Substring(2, i.IndexOf("=") - 2);
string right = i.Substring(left.Length + 3);
ProcessMpvProperty(left, right);
}
else
{
string switchName = i.Substring(2);
switch (switchName)
{
case "fs":
case "fullscreen":
mpvFullscreen = true;
break;
}
}
}
}
}
void ProcessMpvProperty(string name, string value)
{
switch (name)
{
case "autofit":
if (value.Length == 3 && value.EndsWith("%"))
if (int.TryParse(value.Substring(0, 2), out int result))
mpvAutofit = result / 100f;
break;
case "fs":
case "fullscreen":
mpvFullscreen = value == "yes";
break;
case "screen":
mpvScreen = Convert.ToInt32(value);
break;
}
}
public void BuildMenu()
{
string content = File.ReadAllText(mp.InputConfPath);
List<string> lines = null;
Dictionary<string, string> commandInputDic = new Dictionary<string, string>();
if (content.Contains("#menu:"))
lines = content.Split("\r\n".ToCharArray()).ToList();
else
{
lines = Properties.Resources.input_conf.Split("\r\n".ToCharArray()).ToList();
foreach (string i in content.Split("\r\n".ToCharArray()))
{
string line = i.Trim();
if (line.StartsWith("#") || !line.Contains(" ")) continue;
string input = line.Substring(0, line.IndexOf(" ")).Trim();
string command = line.Substring(line.IndexOf(" ") + 1).Trim();
commandInputDic[command] = input;
}
}
foreach (string i in lines)
{
if (!i.Contains("#menu:")) continue;
string left = i.Substring(0, i.IndexOf("#menu:")).Trim();
if (left.StartsWith("#")) continue;
string command = left.Substring(left.IndexOf(" ") + 1).Trim();
string menu = i.Substring(i.IndexOf("#menu:") + "#menu:".Length).Trim();
string input = left.Substring(0, left.IndexOf(" "));
if (input == "_") input = "";
if (menu.Contains(";")) input = menu.Substring(0, menu.IndexOf(";")).Trim();
string path = menu.Substring(menu.IndexOf(";") + 1).Trim().Replace("&", "&&");
if (path == "" || command == "") continue;
if (commandInputDic.Count > 0)
if (commandInputDic.ContainsKey(command))
input = commandInputDic[command];
else
input = "";
var menuItem = CMS.Add(path, () => {
try {
mp.command_string(command);
}
catch (Exception ex) {
Msg.ShowException(ex);
}
});
if (menuItem != null)
menuItem.ShortcutKeyDisplayString = input.Replace("_","") + " ";
}
}
private void CMS_Opened(object sender, EventArgs e) => CursorHelp.Show();
private string LastHistory;
private void mp_PlaybackRestart()
{
var filename = mp.get_property_string("filename");
BeginInvoke(new Action(() => { Text = filename + " - mpv.net " + Application.ProductVersion; }));
var historyFilepath = mp.mpvConfFolderPath + "history.txt";
if (LastHistory != filename && File.Exists(historyFilepath))
{
File.AppendAllText(historyFilepath, DateTime.Now.ToString() + " " +
Path.GetFileNameWithoutExtension(filename) + "\r\n");
LastHistory = filename;
}
}
private void Mp_Idle()
{
BeginInvoke(new Action(() => { Text = "mpv.net " + Application.ProductVersion; }));
}
private void CM_Popup(object sender, EventArgs e) => CursorHelp.Show();
private void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
{
Msg.ShowException(e.Exception);
}
private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
{
Msg.ShowError(e.ExceptionObject.ToString());
}
private void mp_VideoSizeChanged()
{
BeginInvoke(new Action(() => SetFormPositionAndSizeKeepHeight()));
}
private void mp_Shutdown()
{
BeginInvoke(new Action(() => Close()));
}
public bool IsFullscreen => WindowState == FormWindowState.Maximized;
void mpPropChangeFullscreen(bool value)
{
BeginInvoke(new Action(() => ChangeFullscreen(value)));
}
void ChangeFullscreen(bool value)
{
if (value)
{
if (FormBorderStyle != FormBorderStyle.None)
{
FormBorderStyle = FormBorderStyle.None;
WindowState = FormWindowState.Maximized;
}
}
else
{
WindowState = FormWindowState.Normal;
FormBorderStyle = FormBorderStyle.Sizable;
SetFormPositionAndSizeKeepHeight();
}
}
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
case 0x0201: // WM_LBUTTONDOWN
case 0x0202: // WM_LBUTTONUP
case 0x0100: // WM_KEYDOWN
case 0x0101: // WM_KEYUP
case 0x020A: // WM_MOUSEWHEEL
if (mp.MpvWindowHandle != IntPtr.Zero)
Native.SendMessage(mp.MpvWindowHandle, m.Msg, m.WParam, m.LParam);
break;
case 0x319: // WM_APPCOMMAND
if (mp.MpvWindowHandle != IntPtr.Zero)
Native.PostMessage(mp.MpvWindowHandle, m.Msg, m.WParam, m.LParam);
break;
case 0x0104: // WM_SYSKEYDOWN:
if (mp.MpvWindowHandle != IntPtr.Zero)
Native.SendMessage(mp.MpvWindowHandle, m.Msg, m.WParam, m.LParam);
break;
case 0x0105: // WM_SYSKEYUP:
if (mp.MpvWindowHandle != IntPtr.Zero)
Native.SendMessage(mp.MpvWindowHandle, m.Msg, m.WParam, m.LParam);
break;
case 0x203: // Native.WM.LBUTTONDBLCLK
if (!IsMouseInOSC())
mp.command_string("cycle fullscreen");
break;
case 0x02E0: // WM_DPICHANGED
if (IgnoreDpiChanged) break;
var r2 = Marshal.PtrToStructure<Native.RECT>(m.LParam);
Native.SetWindowPos(Handle, IntPtr.Zero, r2.Left, r2.Top, r2.Width, r2.Height, 0);
break;
case 0x0214: // WM_SIZING
var rc = Marshal.PtrToStructure<Native.RECT>(m.LParam);
var r = rc;
NativeHelp.SubtractWindowBorders(Handle, ref r);
int c_w = r.Right - r.Left, c_h = r.Bottom - r.Top;
float aspect = mp.VideoSize.Width / (float)mp.VideoSize.Height;
int d_w = Convert.ToInt32(c_h * aspect - c_w);
int d_h = Convert.ToInt32(c_w / aspect - c_h);
int[] d_corners = { d_w, d_h, -d_w, -d_h };
int[] corners = { rc.Left, rc.Top, rc.Right, rc.Bottom };
int corner = NativeHelp.GetResizeBorder(m.WParam.ToInt32());
if (corner >= 0)
corners[corner] -= d_corners[corner];
Marshal.StructureToPtr<Native.RECT>(new Native.RECT(corners[0], corners[1], corners[2], corners[3]), m.LParam, false);
m.Result = new IntPtr(1);
return;
}
base.WndProc(ref m);
}
protected override void OnDragEnter(DragEventArgs e)
{
base.OnDragEnter(e);
if (e.Data.GetDataPresent(DataFormats.FileDrop) || e.Data.GetDataPresent(DataFormats.Text))
e.Effect = DragDropEffects.Copy;
}
protected override void OnDragDrop(DragEventArgs e)
{
base.OnDragDrop(e);
if (e.Data.GetDataPresent(DataFormats.FileDrop))
mp.LoadFiles(e.Data.GetData(DataFormats.FileDrop) as String[]);
if (e.Data.GetDataPresent(DataFormats.Text))
mp.LoadURL(e.Data.GetData(DataFormats.Text).ToString());
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (WindowState == FormWindowState.Normal &&
e.Button == MouseButtons.Left &&
e.Y < ClientSize.Height * 0.9)
{
var HTCAPTION = new IntPtr(2);
Native.ReleaseCapture();
Native.PostMessage(Handle, 0xA1 /* WM_NCLBUTTONDOWN */, HTCAPTION, IntPtr.Zero);
}
var sb = Screen.FromControl(this).Bounds;
var p1 = new Point(sb.Width, 0);
var p2 = PointToScreen(e.Location);
if (Math.Abs(p1.X - p2.X) < 10 && Math.Abs(p1.Y - p2.Y) < 10)
mp.commandv("quit");
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
mp.command_string($"mouse {e.X} {e.Y}");
if (CursorHelp.IsPosDifferent(LastCursorPosChanged))
CursorHelp.Show();
}
bool IsMouseInOSC()
{
return PointToClient(Control.MousePosition).Y > ClientSize.Height * 0.9;
}
private void Timer_Tick(object sender, EventArgs e)
{
if (CursorHelp.IsPosDifferent(LastCursorPosChanged))
{
LastCursorPosChanged = Control.MousePosition;
LastCursorChangedTickCount = Environment.TickCount;
}
else if (Environment.TickCount - LastCursorChangedTickCount > 1500 &&
!IsMouseInOSC() && ClientRectangle.Contains(PointToClient(MousePosition)) &&
Form.ActiveForm == this && !CMS.Visible)
{
CursorHelp.Hide();
}
}
public DialogResult ShowMsgBox(string message, MessageBoxIcon icon)
{
var buttons = MessageBoxButtons.OK;
if (icon == MessageBoxIcon.Question) buttons = MessageBoxButtons.OKCancel;
var fn = new Func<DialogResult>(() => MessageBox.Show(message, Application.ProductName, buttons, icon));
return (DialogResult)Invoke(fn);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
mp.Init();
mp.observe_property_bool("fullscreen", mpPropChangeFullscreen);
mp.observe_property_bool("ontop", mpPropChangeOnTop);
mp.Shutdown += mp_Shutdown;
mp.VideoSizeChanged += mp_VideoSizeChanged;
mp.PlaybackRestart += mp_PlaybackRestart;
mp.Idle += Mp_Idle;
}
void mpPropChangeOnTop(bool value) => BeginInvoke(new Action(() => TopMost = value));
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
CMS = new ContextMenuStripEx(components);
CMS.Opened += CMS_Opened;
ContextMenuStrip = CMS;
BuildMenu();
IgnoreDpiChanged = false;
CheckYouTube();
}
protected override void OnFormClosed(FormClosedEventArgs e)
{
base.OnFormClosed(e);
mp.commandv("quit");
mp.AutoResetEvent.WaitOne(3000);
}
protected override void OnLostFocus(EventArgs e)
{
base.OnLostFocus(e);
CursorHelp.Show();
}
protected override void OnActivated(EventArgs e)
{
base.OnActivated(e);
CheckYouTube();
}
private string LastURL;
void CheckYouTube()
{
string clipboard = Clipboard.GetText();
if (clipboard.StartsWith("https://www.youtube.com/watch?") && LastURL != clipboard && Visible)
{
LastURL = clipboard;
if (Msg.ShowQuestion("Play YouTube URL?") == MsgResult.OK)
mp.LoadURL(clipboard);
}
}
}
}