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Attempt on enable source that doesn't work yet.

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This commit is contained in:
Eugene Wang
2023-04-02 09:07:30 -04:00
parent f8cd01069c
commit 9ddbe70ec7
12 changed files with 188 additions and 1 deletions
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13
samples/WinForm32/Form1.Designer.cs generated
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@@ -42,6 +42,7 @@
label3 = new System.Windows.Forms.Label();
btnOpenDef = new System.Windows.Forms.Button();
btnClose = new System.Windows.Forms.Button();
btnShowSettings = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)splitContainer1).BeginInit();
splitContainer1.Panel1.SuspendLayout();
splitContainer1.Panel2.SuspendLayout();
@@ -158,6 +159,7 @@
//
// splitContainer1.Panel2
//
splitContainer1.Panel2.Controls.Add(btnShowSettings);
splitContainer1.Panel2.Controls.Add(btnClose);
splitContainer1.Panel2.Controls.Add(label2);
splitContainer1.Panel2.Controls.Add(lblCurrent);
@@ -203,6 +205,16 @@
btnClose.UseVisualStyleBackColor = true;
btnClose.Click += btnClose_Click;
//
// btnShowSettings
//
btnShowSettings.Location = new System.Drawing.Point(161, 32);
btnShowSettings.Name = "btnShowSettings";
btnShowSettings.Size = new System.Drawing.Size(132, 23);
btnShowSettings.TabIndex = 5;
btnShowSettings.Text = "Show settings only";
btnShowSettings.UseVisualStyleBackColor = true;
btnShowSettings.Click += btnShowSettings_Click;
//
// Form1
//
AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
@@ -236,5 +248,6 @@
private System.Windows.Forms.Button btnOpenDef;
private System.Windows.Forms.Label lblState;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Button btnShowSettings;
}
}

5
samples/WinForm32/Form1.cs
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@@ -100,5 +100,10 @@ namespace WinForm32
twain.DGControl.Identity.OpenDS(twain.DefaultSource);
}
private void btnShowSettings_Click(object sender, EventArgs e)
{
twain.EnableSource(true, true);
}
}
}

7
src/NTwain/DSM/OSXLegacyDSM.cs
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@@ -81,5 +81,12 @@ namespace NTwain.DSM
ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
DG dg, DAT dat, MSG msg, ref DG xfergroup
);
[DllImport(DsmName, CharSet = CharSet.Ansi)]
internal static extern ushort DSM_Entry
(
ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
DG dg, DAT dat, MSG msg, ref TW_USERINTERFACE userinterface
);
}
}

7
src/NTwain/DSM/OSXNewDSM.cs
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@@ -81,5 +81,12 @@ namespace NTwain.DSM
ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
DG dg, DAT dat, MSG msg, ref DG xfergroup
);
[DllImport(DsmName, CharSet = CharSet.Ansi)]
internal static extern ushort DSM_Entry
(
ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
DG dg, DAT dat, MSG msg, ref TW_USERINTERFACE userinterface
);
}
}

7
src/NTwain/DSM/WinLegacyDSM.cs
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@@ -81,5 +81,12 @@ namespace NTwain.DSM
ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
DG dg, DAT dat, MSG msg, ref DG xfergroup
);
[DllImport(DsmName, CharSet = CharSet.Ansi)]
internal static extern ushort DSM_Entry
(
ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
DG dg, DAT dat, MSG msg, ref TW_USERINTERFACE userinterface
);
}
}

7
src/NTwain/DSM/WinNewDSM.cs
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@@ -81,5 +81,12 @@ namespace NTwain.DSM
ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
DG dg, DAT dat, MSG msg, ref DG xfergroup
);
[DllImport(DsmName, CharSet = CharSet.Ansi)]
internal static extern ushort DSM_Entry
(
ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
DG dg, DAT dat, MSG msg, ref TW_USERINTERFACE userinterface
);
}
}

92
src/NTwain/Triplets/ControlDATs/UserInterface.cs Normal file
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@@ -0,0 +1,92 @@
using NTwain.DSM;
using TWAINWorkingGroup;
namespace NTwain.Triplets.ControlDATs
{
/// <summary>
/// Contains calls used with <see cref="DG.CONTROL"/> and <see cref="DAT.USERINTERFACE"/>.
/// </summary>
public class UserInterface : TripletBase
{
public UserInterface(TwainSession session) : base(session)
{
}
/// <summary>
/// Disables source to bring state down to <see cref="STATE.S4"/>.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public STS DisableDS(ref TW_USERINTERFACE data)
{
var rc = DoIt(MSG.DISABLEDS, ref data);
if (rc == STS.SUCCESS)
{
Session.State = STATE.S4;
}
return rc;
}
/// <summary>
/// Enables source to bring state up to <see cref="STATE.S5"/>.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public STS EnableDS(ref TW_USERINTERFACE data)
{
var rc = DoIt(MSG.ENABLEDS, ref data);
if (rc == STS.SUCCESS || (data.ShowUI == 0 && rc == STS.CHECKSTATUS))
{
Session.State = STATE.S5;
}
return rc;
}
/// <summary>
/// Enables source to bring state up to <see cref="STATE.S5"/>.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public STS EnableDSUIOnly(ref TW_USERINTERFACE data)
{
var rc = DoIt(MSG.ENABLEDSUIONLY, ref data);
if (rc == STS.SUCCESS)
{
Session.State = STATE.S5;
}
return rc;
}
STS DoIt(MSG msg, ref TW_USERINTERFACE data)
{
var rc = STS.FAILURE;
if (TwainPlatform.IsWindows)
{
var app = Session.AppIdentity;
var ds = Session.CurrentSource;
if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
{
rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.CONTROL, DAT.USERINTERFACE, msg, ref data);
}
else
{
rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.CONTROL, DAT.USERINTERFACE, msg, ref data);
}
}
else if (TwainPlatform.IsMacOSX)
{
TW_IDENTITY_MACOSX app = Session.AppIdentity;
TW_IDENTITY_MACOSX ds = Session.CurrentSource;
if (TwainPlatform.PreferLegacyDSM)
{
rc = (STS)OSXLegacyDSM.DSM_Entry(ref app, ref ds, DG.CONTROL, DAT.USERINTERFACE, msg, ref data);
}
else
{
rc = (STS)OSXNewDSM.DSM_Entry(ref app, ref ds, DG.CONTROL, DAT.USERINTERFACE, msg, ref data);
}
}
return rc;
}
}
}

3
src/NTwain/Triplets/DGControl.cs
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@@ -41,5 +41,8 @@ namespace NTwain.Triplets
private XferGroup? _xferGroup;
public XferGroup XferGroup => _xferGroup ??= new XferGroup(Session);
private UserInterface? _userInterface;
public UserInterface UserInterface => _userInterface ??= new UserInterface(Session);
}
}

2
src/NTwain/Triplets/TripletBase.cs
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@@ -14,7 +14,7 @@ namespace NTwain.Triplets
/// <exception cref="System.ArgumentNullException"></exception>
public TripletBase(TwainSession session)
{
Session = session ?? throw new ArgumentNullException("session");
Session = session ?? throw new ArgumentNullException(nameof(session));
}
/// <summary>

10
src/NTwain/TwainSession.Callbacks.cs
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@@ -1,4 +1,5 @@
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using TWAINWorkingGroup;
@@ -55,6 +56,7 @@ namespace NTwain
IntPtr twnull
)
{
Debug.WriteLine($"Legacy callback got {msg}");
HandleSourceMsg(msg);
return (ushort)STS.SUCCESS;
}
@@ -69,6 +71,7 @@ namespace NTwain
IntPtr twnull
)
{
Debug.WriteLine($"OSX callback got {msg}");
HandleSourceMsg(msg);
return (ushort)STS.SUCCESS;
}
@@ -82,10 +85,17 @@ namespace NTwain
case MSG.DEVICEEVENT:
break;
case MSG.CLOSEDSOK:
DisableSource();
break;
case MSG.CLOSEDSREQ:
DisableSource();
break;
}
}
public void HandleWin32Message(uint msg)
{
}
}
}

32
src/NTwain/TwainSession.Sources.cs
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@@ -21,5 +21,37 @@ namespace NTwain
rc = DGControl.Identity.GetNext(out ds);
}
}
/// <summary>
/// Enables the currently open source.
/// </summary>
/// <param name="showUI">Whether to show driver interface.</param>
/// <param name="uiOnly">If true try to display only driver dialog (no capture).
/// Otherwise capturing will begin after this.</param>
/// <returns></returns>
public STS EnableSource(bool showUI, bool uiOnly)
{
var ui = new TW_USERINTERFACE
{
ShowUI = (ushort)((showUI || uiOnly) ? 1 : 0),
hParent = _hwnd,
};
var rc = uiOnly ? DGControl.UserInterface.EnableDSUIOnly(ref ui) : DGControl.UserInterface.EnableDS(ref ui);
if (rc == STS.SUCCESS || (!uiOnly && !showUI && rc == STS.CHECKSTATUS))
{
// keep it around for disable use
_userInterface = ui;
};
return rc;
}
/// <summary>
/// Disables the currently enabled source.
/// </summary>
/// <returns></returns>
public STS DisableSource()
{
return DGControl.UserInterface.DisableDS(ref _userInterface);
}
}
}

4
src/NTwain/TwainSession.cs
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@@ -87,6 +87,7 @@ namespace NTwain
}
internal IntPtr _hwnd;
internal TW_USERINTERFACE _userInterface;
/// <summary>
/// Tries to bring the TWAIN session down to some state.
@@ -102,6 +103,9 @@ namespace NTwain
switch (State)
{
case STATE.S5:
DGControl.UserInterface.DisableDS(ref _userInterface);
break;
case STATE.S4:
DGControl.Identity.CloseDS();
break;