enable or disable IDC_SELECTION_RADIO based on selected text

daddel80 · Jul 21, 2023 · 485d40a · 485d40a
1 parent 658b904
commit 485d40a
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Showing 3 changed files with 50 additions and 1 deletion.
diff --git a/src/MultiReplace.cpp b/src/MultiReplace.cpp
@@ -16,6 +16,7 @@
 //Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
 #include "PluginDefinition.h"
+#include "MultiReplacePanel.h"
 
 extern FuncItem funcItem[nbFunc];
 extern NppData nppData;
@@ -75,6 +76,14 @@ extern "C" __declspec(dllexport) void beNotified(SCNotification *notifyCode)
 			commandMenuCleanUp();
 		}
 		break;
+		case SCN_UPDATEUI:
+		{
+			if (MultiReplace::isWindowOpen)
+			{
+				MultiReplace::onSelectionChanged();
+			}
+		}
+		break;
 
 		default:
 			return;

diff --git a/src/MultiReplacePanel.cpp b/src/MultiReplacePanel.cpp
@@ -43,6 +43,9 @@
 #endif
 
 std::map<int, ControlInfo> MultiReplace::ctrlMap;
+bool MultiReplace::isWindowOpen = false;
+HWND MultiReplace::s_hScintilla = nullptr;
+HWND MultiReplace::s_hDlg = nullptr;
 
 
 #pragma region Initialization
@@ -113,6 +116,7 @@ void MultiReplace::positionAndResizeControls(int windowWidth, int windowHeight)
 void MultiReplace::initializeCtrlMap()
 {
     hInstance = (HINSTANCE)GetWindowLongPtr(_hSelf, GWLP_HINSTANCE);
+    s_hDlg = _hSelf;
 
     // Get the client rectangle
     RECT rcClient;
@@ -129,7 +133,6 @@ void MultiReplace::initializeCtrlMap()
         return;
     }
 
-
     // Create the font
     hFont = CreateFont(FONT_SIZE, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET, 0, 0, 0, 0, FONT_NAME);
 
@@ -152,13 +155,20 @@ void MultiReplace::initializeCtrlMap()
 
     // CheckBox to All Text
     CheckRadioButton(_hSelf, IDC_ALL_TEXT_RADIO, IDC_COLUMN_MODE_RADIO, IDC_ALL_TEXT_RADIO);
+
+    // Enable IDC_SELECTION_RADIO based on text selection
+    Sci_Position start = ::SendMessage(MultiReplace::getScintillaHandle(), SCI_GETSELECTIONSTART, 0, 0);
+    Sci_Position end = ::SendMessage(MultiReplace::getScintillaHandle(), SCI_GETSELECTIONEND, 0, 0);
+    bool isTextSelected = (start != end);
+    ::EnableWindow(::GetDlgItem(_hSelf, IDC_SELECTION_RADIO), isTextSelected);
 
     // Hide Hint Text
     ShowWindow(GetDlgItem(_hSelf, IDC_STATIC_HINT), SW_HIDE);
 
     // Enable the checkbox ID IDC_USE_LIST_CHECKBOX
     SendMessage(GetDlgItem(_hSelf, IDC_USE_LIST_CHECKBOX), BM_SETCHECK, BST_CHECKED, 0);
 
+    isWindowOpen = true;
 }
 
 bool MultiReplace::createAndShowWindows() {
@@ -229,6 +239,7 @@ void MultiReplace::initializeScintilla() {
     ::SendMessage(nppData._nppHandle, NPPM_GETCURRENTSCINTILLA, 0, (LPARAM)&which);
     if (which != -1) {
         _hScintilla = (which == 0) ? nppData._scintillaMainHandle : nppData._scintillaSecondHandle;
+        s_hScintilla = _hScintilla;
     }
 }
 

diff --git a/src/MultiReplacePanel.h b/src/MultiReplacePanel.h
@@ -124,11 +124,40 @@ class MultiReplace : public DockingDlgInterface
 		return _isFloating;
 	};
 
+    static HWND getScintillaHandle() {
+        return s_hScintilla;
+    }
+
+    static HWND getDialogHandle() {
+        return s_hDlg;
+    }
+
+    static bool isWindowOpen;
+    static void onSelectionChanged() {
+
+        // Get the start and end of the selection
+        Sci_Position start = ::SendMessage(MultiReplace::getScintillaHandle(), SCI_GETSELECTIONSTART, 0, 0);
+        Sci_Position end = ::SendMessage(MultiReplace::getScintillaHandle(), SCI_GETSELECTIONEND, 0, 0);
+
+        // Enable or disable IDC_SELECTION_RADIO depending on whether text is selected
+        bool isTextSelected = (start != end);
+        ::EnableWindow(::GetDlgItem(getDialogHandle(), IDC_SELECTION_RADIO), isTextSelected);
+
+        // If no text is selected and IDC_SELECTION_RADIO is checked, check IDC_ALL_TEXT_RADIO instead
+        if (!isTextSelected && (::SendMessage(::GetDlgItem(getDialogHandle(), IDC_SELECTION_RADIO), BM_GETCHECK, 0, 0) == BST_CHECKED)) {
+            ::SendMessage(::GetDlgItem(getDialogHandle(), IDC_ALL_TEXT_RADIO), BM_SETCHECK, BST_CHECKED, 0);
+            ::SendMessage(::GetDlgItem(getDialogHandle(), IDC_SELECTION_RADIO), BM_SETCHECK, BST_UNCHECKED, 0);
+        }
+    }
+
+
 protected:
     virtual INT_PTR CALLBACK run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam);
 
 private:
     static const int RESIZE_TIMER_ID = 1;
+    static HWND s_hScintilla;
+    static HWND s_hDlg;
     HINSTANCE hInstance;
     HWND _hScintilla;
     HWND _replaceListView;