From 72a9d1ef8e3a3d936b8abc123ced461feeb92ea5 Mon Sep 17 00:00:00 2001
From: RaiKoHoff <rainer.kottenhoff@gmail.com>
Date: Mon, 31 Aug 2020 15:53:05 +0200
Subject: [PATCH] + chg: grepWinNP3: alpha transparency on losing focus

---
 grepWinNP3/src/SearchDlg.cpp | 18 ++++++++++++++++++
 grepWinNP3/src/SearchDlg.h   |  6 +++++-
 src/Dialogs.c                |  3 +++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/grepWinNP3/src/SearchDlg.cpp b/grepWinNP3/src/SearchDlg.cpp
index 996dac2ed..34263f75d 100644
--- a/grepWinNP3/src/SearchDlg.cpp
+++ b/grepWinNP3/src/SearchDlg.cpp
@@ -168,6 +168,7 @@ CSearchDlg::CSearchDlg(HWND hParent)
     , m_regDate2Low(L"Software\\grepWinNP3\\Date2Low", 0)
     , m_regDate2High(L"Software\\grepWinNP3\\Date2High", 0)
     , m_regShowContent(L"Software\\grepWinNP3\\ShowContent", 0)
+    , m_regTranspAlphaNoFocus(L"Software\\grepWinNP3\\TranspAlphaNoFocus", 100)
     , m_AutoCompleteFilePatterns(bPortable ? &g_iniFile : nullptr)
     , m_AutoCompleteExcludeDirsPatterns(bPortable ? &g_iniFile : nullptr)
     , m_AutoCompleteSearchPatterns(bPortable ? &g_iniFile : nullptr)
@@ -207,6 +208,7 @@ LRESULT CSearchDlg::DlgFunc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPara
     {
     case WM_INITDIALOG:
         {
+            SetTransparency(ALPHA_OPAQUE);
             SHAutoComplete(GetDlgItem(*this, IDC_SEARCHPATH), SHACF_FILESYSTEM|SHACF_AUTOSUGGEST_FORCE_ON);
 
             m_AutoCompleteFilePatterns.Load(L"Software\\grepWinNP3\\History", L"FilePattern");
@@ -395,6 +397,8 @@ LRESULT CSearchDlg::DlgFunc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPara
 
             m_bUseRegex = (bPortable ? g_iniFile.GetBoolValue(L"global", L"UseRegex", false) : DWORD(m_regUseRegex));
 
+            m_TranspAlphaNoFocus = (BYTE)(bPortable ? g_iniFile.GetLongValue(L"global", L"TranspAlphaNoFocus", 80) : DWORD(m_regTranspAlphaNoFocus));
+
             SendDlgItemMessage(hwndDlg, IDC_SIZECOMBO, CB_SETCURSEL, m_sizeCmp, 0);
 
             SendDlgItemMessage(hwndDlg, IDC_INCLUDESUBFOLDERS, BM_SETCHECK, m_bIncludeSubfolders ? BST_CHECKED : BST_UNCHECKED, 0);
@@ -903,6 +907,20 @@ LRESULT CSearchDlg::DlgFunc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPara
             }
         }
     break;
+    case WM_ACTIVATE:
+        switch (LOWORD(wParam))
+        {
+            case WA_INACTIVE:
+                SetTransparency(m_TranspAlphaNoFocus);
+                break;
+
+            case WA_CLICKACTIVE:
+                // mouse click activation
+            case WA_ACTIVE:
+                SetTransparency(ALPHA_OPAQUE);
+                break;
+        }
+        break;
     default:
         return FALSE;
     }
diff --git a/grepWinNP3/src/SearchDlg.h b/grepWinNP3/src/SearchDlg.h
index 6577eaf4d..0ff9a6fcf 100644
--- a/grepWinNP3/src/SearchDlg.h
+++ b/grepWinNP3/src/SearchDlg.h
@@ -41,7 +41,9 @@
 #define SEARCH_END           (WM_APP+3)
 #define WM_GREPWIN_THREADEND (WM_APP+4)
 
-#define ID_ABOUTBOX          0x0010
+#define ID_ABOUTBOX          (0x0010)
+
+#define ALPHA_OPAQUE         (255)
 
 enum ExecuteAction
 {
@@ -203,6 +205,7 @@ private:
     bool                    m_bConfirmationOnReplace;
     bool                    m_showContent;
     bool                    m_showContentSet;
+    BYTE                    m_TranspAlphaNoFocus;
 
     std::vector<CSearchInfo> m_items;
     std::vector<std::tuple<int, int>> m_listItems;
@@ -262,4 +265,5 @@ private:
     CRegStdDWORD            m_regDate2Low;
     CRegStdDWORD            m_regDate2High;
     CRegStdDWORD            m_regShowContent;
+    CRegStdDWORD            m_regTranspAlphaNoFocus;
 };
diff --git a/src/Dialogs.c b/src/Dialogs.c
index 586b460d9..8a64b4a5a 100644
--- a/src/Dialogs.c
+++ b/src/Dialogs.c
@@ -3764,6 +3764,9 @@ void DialogGrepWin(HWND hwnd, LPCWSTR searchPattern)
       StringCchPrintf(tchTemp, COUNTOF(tchTemp), L"%s /%%mode%% \"%%pattern%%\" /g %%line%% - %%path%%", tchNotepad3Path);
       IniSectionSetString(globalSection, L"editorcmd", tchTemp);
 
+      long const iTranspAlpha = IniSectionGetLong(globalSection, L"TranspAlphaNoFocus", MulDiv(Settings2.FindReplaceOpacityLevel, 255, 100));
+      IniSectionSetLong(globalSection, L"TranspAlphaNoFocus", iTranspAlpha);
+
       // [settings]
       const WCHAR *const settingsSection = L"settings";