Find/Replace - add hints #274

Author: cshnik

src/Edit.c

@@ -5101,6 +5101,16 @@ INT_PTR CALLBACK EditFindReplaceDlgProcW(HWND hwnd, UINT umsg, WPARAM wParam, LP
         // [2e]: Ctrl+H: Replace input behaviour #121
         n2e_SubclassFindEditInCombo(hwnd, IDC_FINDTEXT);
         n2e_SubclassFindEditInCombo(hwnd, IDC_REPLACETEXT);
+        {
+          // [2e]: Find/Replace - add hints #274
+          const HWND hwndToolTip = n2e_ToolTipCreate(hwnd);
+          n2e_ToolTipAddControl(hwndToolTip, GetDlgItem(hwnd, IDOK), L"Select match (F3, Enter), Select from start (Ctrl+Enter), Select until (F2)");
+          n2e_ToolTipAddControl(hwndToolTip, GetDlgItem(hwnd, IDC_FINDPREV), L"Select match (Shift+F3), Select until (Shift+F2)");
+          if (GetDlgItem(hwnd, IDC_REPLACE) != NULL)
+          {
+            n2e_ToolTipAddControl(hwndToolTip, GetDlgItem(hwnd, IDC_REPLACE), L"Select match or replace and go to next (F4)");
+          }
+        }
         // [/2e]
       }
       return TRUE;

src/Extension/Utils.c

@@ -1307,3 +1307,27 @@ void n2e_EditJumpTo(const HWND hwnd, const int iNewLine, const int iNewCol, cons
     SciCall_SetYCaretPolicy(CARET_EVEN, 0);
   }
 }
+
+HWND n2e_ToolTipCreate(const HWND hwndParent)
+{
+  return CreateWindowEx(0, TOOLTIPS_CLASS, NULL, WS_POPUP | TTS_ALWAYSTIP,
+          CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hwndParent, NULL, NULL, NULL);
+}
+
+BOOL n2e_ToolTipAddControl(const HWND hwndToolTip, const HWND hwndControl, LPSTR pszText)
+{
+  const HWND hwndParent = GetParent(hwndToolTip);
+  if (!hwndToolTip || !IsWindow(hwndToolTip) || !hwndParent)
+  {
+    return FALSE;
+  }
+
+  TOOLINFO ti = { 0 };
+  ti.cbSize = sizeof(ti);
+  ti.hwnd = hwndParent;
+  ti.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
+  ti.uId = (UINT_PTR)hwndControl;
+  ti.lpszText = pszText;
+
+  return SendMessage(hwndToolTip, TTM_ADDTOOL, 0, (LPARAM)&ti) == TRUE;
+}

src/Extension/Utils.h

@@ -163,3 +163,6 @@ int n2e_GetCheckedRadioButton(const HWND hwnd, const int idFirst, const int idLa
 
 void n2e_UpdateFavLnkParams(TADDFAVPARAMS* lpParams);
 void n2e_EditJumpTo(const HWND hwnd, const int iNewLine, const int iNewCol, const int iNewSelStart, const int iNewSelEnd);
+
+HWND n2e_ToolTipCreate(const HWND hwndParent);
+BOOL n2e_ToolTipAddControl(const HWND hwndToolTip, const HWND hwndControl, LPSTR pszText);