Improve Styler Configurator performance

ref #15560

Close #15565

PowerEditor/src/NppBigSwitch.cpp

@@ -2374,6 +2374,8 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 					_pFileBrowser->setForegroundColor(pStyle->_fgColor);
 					::SendMessage(_pFileBrowser->getHSelf(), NPPM_INTERNAL_REFRESHDARKMODE, 0, refreshOnlyTreeView);
 				}
+
+				NppDarkMode::updateTreeViewStylePrev();
 			}
 
 			if (_pDocMap)

PowerEditor/src/NppDarkMode.cpp

@@ -591,6 +591,7 @@ namespace NppDarkMode
 		return invert_c;
 	}
 
+	static TreeViewStyle g_treeViewStylePrev = TreeViewStyle::classic;
 	static TreeViewStyle g_treeViewStyle = TreeViewStyle::classic;
 	static COLORREF g_treeViewBg = NppParameters::getInstance().getCurrentDefaultBgColor();
 	static double g_lightnessTreeView = 50.0;
@@ -1094,7 +1095,7 @@ namespace NppDarkMode
 	static void renderButton(HWND hwnd, HDC hdc, HTHEME hTheme, int iPartID, int iStateID)
 	{
 		RECT rcClient{};
-		WCHAR szText[256] = { '\0' };
+		wchar_t szText[256] = { '\0' };
 		DWORD nState = static_cast<DWORD>(SendMessage(hwnd, BM_GETSTATE, 0, 0));
 		DWORD uiState = static_cast<DWORD>(SendMessage(hwnd, WM_QUERYUISTATE, 0, 0));
 		auto nStyle = ::GetWindowLongPtr(hwnd, GWL_STYLE);
@@ -1414,7 +1415,7 @@ namespace NppDarkMode
 
 		hOldFont = static_cast<HFONT>(::SelectObject(hdc, hFont));
 
-		WCHAR szText[256] = { '\0' };
+		wchar_t szText[256] = { '\0' };
 		GetWindowText(hwnd, szText, _countof(szText));
 
 		auto style = static_cast<long>(::GetWindowLongPtr(hwnd, GWL_STYLE));
@@ -1486,14 +1487,12 @@ namespace NppDarkMode
 		DWORD_PTR dwRefData
 	)
 	{
-		UNREFERENCED_PARAMETER(uIdSubclass);
-
 		auto pButtonData = reinterpret_cast<ButtonData*>(dwRefData);
 
 		switch (uMsg)
 		{
 		case WM_NCDESTROY:
-			RemoveWindowSubclass(hWnd, GroupboxSubclass, g_groupboxSubclassID);
+			RemoveWindowSubclass(hWnd, GroupboxSubclass, uIdSubclass);
 			delete pButtonData;
 			break;
 
@@ -2577,8 +2576,8 @@ namespace NppDarkMode
 		TreeView_SetTextColor(hwnd, NppParameters::getInstance().getCurrentDefaultFgColor());
 		TreeView_SetBkColor(hwnd, NppParameters::getInstance().getCurrentDefaultBgColor());
 
-		NppDarkMode::calculateTreeViewStyle();
+		//NppDarkMode::calculateTreeViewStyle();
-		NppDarkMode::setTreeViewStyle(hwnd);
+		NppDarkMode::setTreeViewStyle(hwnd, p._theme);
 
 		if (p._theme)
 		{
@@ -3253,17 +3252,26 @@ namespace NppDarkMode
 		}
 	}
 
+	void updateTreeViewStylePrev()
+	{
+		g_treeViewStylePrev = g_treeViewStyle;
+	}
+
 	TreeViewStyle getTreeViewStyle()
 	{
 		const auto style = g_treeViewStyle;
 		return style;
 	}
 
-	void setTreeViewStyle(HWND hwnd)
+	void setTreeViewStyle(HWND hWnd, bool force)
 	{
-		auto style = static_cast<long>(::GetWindowLongPtr(hwnd, GWL_STYLE));
+		if (force || g_treeViewStylePrev != g_treeViewStyle)
-		bool hasHotStyle = (style & TVS_TRACKSELECT) == TVS_TRACKSELECT;
+		{
+			auto style = ::GetWindowLongPtr(hWnd, GWL_STYLE);
+			const bool hasHotStyle = (style & TVS_TRACKSELECT) == TVS_TRACKSELECT;
 			bool change = false;
+			std::wstring strSubAppName;
+
 			switch (g_treeViewStyle)
 			{
 				case TreeViewStyle::light:
@@ -3273,19 +3281,25 @@ namespace NppDarkMode
 						style |= TVS_TRACKSELECT;
 						change = true;
 					}
-				SetWindowTheme(hwnd, L"Explorer", nullptr);
+					strSubAppName = L"Explorer";
 					break;
 				}
+
 				case TreeViewStyle::dark:
+				{
+					if (NppDarkMode::isExperimentalSupported())
 					{
 						if (!hasHotStyle)
 						{
 							style |= TVS_TRACKSELECT;
 							change = true;
 						}
-				SetWindowTheme(hwnd, g_isAtLeastWindows10 ? L"DarkMode_Explorer" : nullptr, nullptr);
+						strSubAppName = L"DarkMode_Explorer";
 						break;
 					}
+					[[fallthrough]];
+				}
+
 				case TreeViewStyle::classic:
 				{
 					if (hasHotStyle)
@@ -3293,14 +3307,17 @@ namespace NppDarkMode
 						style &= ~TVS_TRACKSELECT;
 						change = true;
 					}
-				SetWindowTheme(hwnd, nullptr, nullptr);
+					strSubAppName = L"";
 					break;
 				}
 			}
 
 			if (change)
 			{
-			::SetWindowLongPtr(hwnd, GWL_STYLE, style);
+				::SetWindowLongPtr(hWnd, GWL_STYLE, style);
+			}
+
+			::SetWindowTheme(hWnd, strSubAppName.empty() ? nullptr : strSubAppName.c_str(), nullptr);
 		}
 	}
 

PowerEditor/src/NppDarkMode.h

@@ -226,8 +226,9 @@ namespace NppDarkMode
 
 	void disableVisualStyle(HWND hwnd, bool doDisable);
 	void calculateTreeViewStyle();
+	void updateTreeViewStylePrev();
 	TreeViewStyle getTreeViewStyle();
-	void setTreeViewStyle(HWND hwnd);
+	void setTreeViewStyle(HWND hWnd, bool force = false);
 	bool isThemeDark();
 	void setBorder(HWND hwnd, bool border = true);
 

PowerEditor/src/WinControls/FileBrowser/fileBrowser.cpp

@@ -217,7 +217,10 @@ intptr_t CALLBACK FileBrowser::run_dlgProc(UINT message, WPARAM wParam, LPARAM l
 				NppDarkMode::autoThemeChildControls(_hSelf);
 				::SendMessage(_hToolbarMenu, TB_SETIMAGELIST, 0, reinterpret_cast<LPARAM>(_iconListVector.at(NppDarkMode::isEnabled() ? 1 : 0)));
 			}
+			else
+			{
 				NppDarkMode::setTreeViewStyle(_treeView.getHSelf());
+			}
 
 			std::vector<int> imgIds = _treeView.getImageIds(
 				{ IDI_FB_ROOTOPEN, IDI_FB_ROOTCLOSE, IDI_PROJECT_FOLDEROPEN, IDI_PROJECT_FOLDERCLOSE, IDI_PROJECT_FILE }

PowerEditor/src/WinControls/FunctionList/functionListPanel.cpp

@@ -971,7 +971,10 @@ intptr_t CALLBACK FunctionListPanel::run_dlgProc(UINT message, WPARAM wParam, LP
 				NppDarkMode::autoThemeChildControls(_hSelf);
 				::SendMessage(_hToolbarMenu, TB_SETIMAGELIST, 0, reinterpret_cast<LPARAM>(_iconListVector.at(NppDarkMode::isEnabled() ? 1 : 0)));
 			}
+			else
+			{
 				NppDarkMode::setTreeViewStyle(_treeView.getHSelf());
+			}
 
 			std::vector<int> imgIds = _treeView.getImageIds(
 				{ IDI_FUNCLIST_ROOT, IDI_FUNCLIST_NODE, IDI_FUNCLIST_LEAF }

PowerEditor/src/WinControls/ProjectPanel/ProjectPanel.cpp

@@ -110,7 +110,10 @@ intptr_t CALLBACK ProjectPanel::run_dlgProc(UINT message, WPARAM wParam, LPARAM
 			{
 				NppDarkMode::autoThemeChildControls(_hSelf);
 			}
+			else
+			{
 				NppDarkMode::setTreeViewStyle(_treeView.getHSelf());
+			}
 
 			std::vector<int> imgIds = _treeView.getImageIds(
 				{ IDI_PROJECT_WORKSPACE, IDI_PROJECT_WORKSPACEDIRTY, IDI_PROJECT_PROJECT, IDI_PROJECT_FOLDEROPEN, IDI_PROJECT_FOLDERCLOSE, IDI_PROJECT_FILE, IDI_PROJECT_FILEINVALID }

PowerEditor/src/WinControls/TreeView/TreeView.cpp

@@ -46,7 +46,7 @@ void TreeView::init(HINSTANCE hInst, HWND parent, int treeViewID)
 							_hInst,
 							nullptr);
 
-	NppDarkMode::setTreeViewStyle(_hSelf);
+	NppDarkMode::setTreeViewStyle(_hSelf, true);
 
 	const int itemHeight = DPIManagerV2::scale(g_treeviewIcoSize + g_treeviewItemPadding * 2, _hParent);
 	TreeView_SetItemHeight(_hSelf, itemHeight);