feat: add recursive functionality to filter_set

Thanks to this functionality now the filter set can work with sublists. This means that if we have more widgets nested and we want to filter them showing them even if their parents don't match, now it's possible.
(Still not tested a lot)

src/dearpygui_commands.h

@@ -2660,7 +2660,6 @@ destroy_context(PyObject* self, PyObject* args, PyObject* kwargs)
 			GContext->started = false;  // return to false after
 			});
 
-		// Doesn't pass tests
 		if (GContext->viewport != nullptr)
 			mvCleanupViewport(*GContext->viewport);
 

src/mvAppItem.cpp

@@ -2265,6 +2265,8 @@ DearPyGui::GetEntityParser(mvAppItemType type)
             MV_PARSER_ARG_SHOW)
         );
 
+        args.push_back({ mvPyDataType::Bool, "recursive", mvArgType::KEYWORD_ARG, "False", "Recursive behaviour for the filter. If a child matches the filter, also the parents will do it. (This is still an experimental feature and it can have a slight impact on the performance)" });
+
         setup.about = "Helper to parse and apply text filters (e.g. aaaaa[, bbbbb][, ccccc])";
         setup.category = { "Containers", "Widgets" };
         setup.createContextManager = true;

src/mvBasicWidgets.cpp

@@ -691,6 +691,14 @@ DearPyGui::fill_configuration_dict(const mvTooltipConfig& inConfig, PyObject* ou
 	PyDict_SetItemString(outDict, "hide_on_activity", mvPyObject(ToPyBool(inConfig.hide_on_move)));
 }
 
+void
+DearPyGui::fill_configuration_dict(const mvFilterSetConfig& inConfig, PyObject* outDict)
+{
+	if (outDict == nullptr)
+		return;
+
+	PyDict_SetItemString(outDict, "recursive", mvPyObject(ToPyBool(inConfig.recursive)));
+}
 //-----------------------------------------------------------------------------
 // [SECTION] configure_item(...) specifics
 //-----------------------------------------------------------------------------
@@ -1792,6 +1800,15 @@ DearPyGui::set_configuration(PyObject* inDict, mvTooltipConfig& outConfig)
 	if (PyObject* item = PyDict_GetItemString(inDict, "hide_on_activity")) outConfig.hide_on_move = ToBool(item);
 }
 
+void
+DearPyGui::set_configuration(PyObject* inDict, mvFilterSetConfig& outConfig)
+{
+	if (inDict == nullptr)
+		return;
+
+	if (PyObject* item = PyDict_GetItemString(inDict, "recursive")) outConfig.recursive = ToBool(item);
+}
+
 void
 DearPyGui::set_configuration(PyObject* inDict, mvKnobFloatConfig& outConfig)
 {
@@ -6299,6 +6316,41 @@ DearPyGui::draw_image_button(ImDrawList* drawlist, mvAppItem& item, mvImageButto
 	apply_drag_drop(&item);
 }
 
+void set_visibility(mvAppItem& item, bool visible) {
+	item.config.show = visible;
+	item.info.hiddenLastFrame = !visible;
+	item.info.shownLastFrame = visible;
+}
+
+bool
+can_be_visible(ImDrawList* drawlist, mvAppItem& item, mvFilterSetConfig& config, bool forceTrue)
+{	
+	// Let's dive into the children to check them first
+	bool show_from_children = false;
+	for (auto& childset : item.childslots)
+	{
+		for (auto& child : childset)
+		{
+			if (can_be_visible(drawlist, *child, config, forceTrue)) {
+				// config._filtered[item.uuid] = true;
+				show_from_children = true;
+			}
+		}
+	}
+
+	if (forceTrue || show_from_children) {
+		set_visibility(item, true);
+		return true;
+	}
+
+	// If it has no children then we can check the item itself with the filter
+	bool show = config.imguiFilter.PassFilter(item.config.filter.c_str());
+
+	// We update the visibility of the item
+	set_visibility(item, show);
+	return show;
+}
+
 void
 DearPyGui::draw_filter_set(ImDrawList* drawlist, mvAppItem& item, mvFilterSetConfig& config)
 {
@@ -6307,23 +6359,24 @@ DearPyGui::draw_filter_set(ImDrawList* drawlist, mvAppItem& item, mvFilterSetCon
 	if (item.config.width != 0)
 		ImGui::PushItemWidth((float)item.config.width);
 
-	if (config.imguiFilter.IsActive())
-	{
+	if (config.imguiFilter.IsActive()) {
+		if (config.recursive) {
+			config._was_active = true;
+			can_be_visible(drawlist, item, config, false);
+		}
 		for (auto& childset : item.childslots)
 		{
 			for (auto& child : childset)
-			{
-				if (!config.imguiFilter.PassFilter(child->config.filter.c_str()))
-					continue;
-
 				child->draw(drawlist, ImGui::GetCursorPosX(), ImGui::GetCursorPosY());
-			}
 		}
-
 	}
 	else
 	{
-
+		if (config._was_active && config.recursive) {
+			/* Reset the situation */
+			config._was_active = false;
+			can_be_visible(drawlist, item, config, true);
+		}
 		for (auto& childset : item.childslots)
 		{
 			for (auto& child : childset)

src/mvBasicWidgets.h

@@ -75,6 +75,7 @@ namespace DearPyGui
     void fill_configuration_dict(const mvImageButtonConfig& inConfig, PyObject* outDict);
     void fill_configuration_dict(const mvKnobFloatConfig& inConfig, PyObject* outDict);
     void fill_configuration_dict(const mvTooltipConfig& inConfig, PyObject* outDict);
+    void fill_configuration_dict(const mvFilterSetConfig& inConfig, PyObject* outDict);
 
     // specific part of `configure_item(...)`
     void set_configuration(PyObject* inDict, mvSimplePlotConfig& outConfig);
@@ -109,6 +110,7 @@ namespace DearPyGui
     void set_configuration(PyObject* inDict, mvImageConfig& outConfig);
     void set_configuration(PyObject* inDict, mvImageButtonConfig& outConfig);
     void set_configuration(PyObject* inDict, mvTooltipConfig& outConfig);
+    void set_configuration(PyObject* inDict, mvFilterSetConfig& outConfig);
     void set_configuration(PyObject* inDict, mvKnobFloatConfig& outConfig);
 
     // positional args TODO: combine with above
@@ -573,6 +575,9 @@ struct mvImageButtonConfig
 struct mvFilterSetConfig
 {
     ImGuiTextFilter imguiFilter;
+    bool recursive = false;
+    // std::unordered_map<mvUUID, bool> _checked_in_frame; /* Elements already checked in this frame*/
+    bool _was_active = false; /* Was the filter active in the last frame */
 };
 
 struct mvTooltipConfig
@@ -1057,6 +1062,8 @@ class mvFilterSet : public mvAppItem
     mvFilterSetConfig configData{};
     explicit mvFilterSet(mvUUID uuid) : mvAppItem(uuid) {}
     void draw(ImDrawList* drawlist, float x, float y) override { DearPyGui::draw_filter_set(drawlist, *this, configData); }
+    void handleSpecificKeywordArgs(PyObject* dict) override { DearPyGui::set_configuration(dict, configData); }
+    void getSpecificConfiguration(PyObject* dict) override { DearPyGui::fill_configuration_dict(configData, dict); }
     void setPyValue(PyObject* value) override;
     PyObject* getPyValue() override { return ToPyString(std::string(configData.imguiFilter.InputBuf)); }
 };