From 6299d9efa95bdc010137698db849418e5afc80e4 Mon Sep 17 00:00:00 2001
From: Akash <ssj2akash@gmail.com>
Date: Wed, 8 Nov 2017 14:30:46 +0530
Subject: [PATCH] GSdx-Capture: Grayout configure button for codecs

The following patch grays out the configure button when there's no
configuration dialog available for the selected codec. What's the use in
clicking it when no dialog pops up? :P (I've been tricked by it lots of
times)
---
 plugins/GSdx/GSCaptureDlg.cpp | 26 ++++++++++++++++++++++++++
 plugins/GSdx/GSCaptureDlg.h   |  1 +
 2 files changed, 27 insertions(+)

diff --git a/plugins/GSdx/GSCaptureDlg.cpp b/plugins/GSdx/GSCaptureDlg.cpp
index 513fc0730f..0efa74d937 100644
--- a/plugins/GSdx/GSCaptureDlg.cpp
+++ b/plugins/GSdx/GSCaptureDlg.cpp
@@ -54,6 +54,30 @@ int GSCaptureDlg::GetSelCodec(Codec& c)
 	return 0;
 }
 
+void GSCaptureDlg::UpdateConfigureButton()
+{
+	Codec c;
+	bool enable = false;
+
+	if (GetSelCodec(c) != 1)
+	{
+		EnableWindow(GetDlgItem(m_hWnd, IDC_CONFIGURE), false);
+		return;
+	}
+
+	if (CComQIPtr<ISpecifyPropertyPages> pSPP = c.filter)
+	{
+		CAUUID caGUID;
+		memset(&caGUID, 0, sizeof(caGUID));
+		enable = SUCCEEDED(pSPP->GetPages(&caGUID));
+	}
+	else if (CComQIPtr<IAMVfwCompressDialogs> pAMVfWCD = c.filter)
+	{
+		enable = pAMVfWCD->ShowDialog(VfwCompressDialog_QueryConfig, nullptr) == S_OK;
+	}
+	EnableWindow(GetDlgItem(m_hWnd, IDC_CONFIGURE), enable);
+}
+
 void GSCaptureDlg::OnInit()
 {
 	__super::OnInit();
@@ -112,6 +136,7 @@ void GSCaptureDlg::OnInit()
 		ComboBoxAppend(IDC_CODECS, s.c_str(), (LPARAM)&m_codecs.back(), c.DisplayName == selected);
 	}
 	EndEnumSysDev
+	UpdateConfigureButton();
 }
 
 bool GSCaptureDlg::OnCommand(HWND hWnd, UINT id, UINT code)
@@ -180,6 +205,7 @@ bool GSCaptureDlg::OnCommand(HWND hWnd, UINT id, UINT code)
 	}
 	case IDC_CODECS:
 	{
+		UpdateConfigureButton();
 		break;
 	}
 	case IDOK:
diff --git a/plugins/GSdx/GSCaptureDlg.h b/plugins/GSdx/GSCaptureDlg.h
index 886dc2aa89..4f8e3edd12 100644
--- a/plugins/GSdx/GSCaptureDlg.h
+++ b/plugins/GSdx/GSCaptureDlg.h
@@ -38,6 +38,7 @@ class GSCaptureDlg : public GSDialog
 	std::list<Codec> m_codecs;
 
 	int GetSelCodec(Codec& c);
+	void UpdateConfigureButton();
 
 protected:
 	void OnInit();