feat: Added filtering to Process Memory Provider

lib/libimhex/include/hex/ui/imgui_imhex_extensions.h

@@ -48,7 +48,7 @@ namespace ImGui {
             return this->m_textureId != nullptr;
         }
 
-        [[nodiscard]] constexpr operator ImTextureID() {
+        [[nodiscard]] constexpr operator ImTextureID() const noexcept {
             return this->m_textureId;
         }
 

lib/libimhex/include/hex/ui/widgets.hpp

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <hex.hpp>
+
+#include <vector>
+#include <string>
+#include <atomic>
+
+#include <hex/api/task.hpp>
+
+#include <imgui.h>
+#include <hex/ui/imgui_imhex_extensions.h>
+
+namespace hex::ui {
+
+    template<typename T>
+    class SearchableWidget {
+    public:
+        SearchableWidget(const std::function<bool(const std::string&, const T&)> &comparator) : m_comparator(comparator) {
+
+        }
+
+        const std::vector<const T*> &draw(const auto &entries) {
+            if (this->m_filteredEntries.empty() && this->m_searchBuffer.empty()) {
+                for (auto &entry : entries)
+                    this->m_filteredEntries.push_back(&entry);
+            }
+
+            if (ImGui::InputText("##search", this->m_searchBuffer)) {
+                this->m_pendingUpdate = true;
+            }
+
+            if (this->m_pendingUpdate && !this->m_updateTask.isRunning()) {
+                this->m_pendingUpdate = false;
+                this->m_filteredEntries.clear();
+                this->m_filteredEntries.reserve(entries.size());
+
+                this->m_updateTask = TaskManager::createBackgroundTask("Searching", [this, &entries, searchBuffer = this->m_searchBuffer](Task&) {
+                    for (auto &entry : entries) {
+                        if (searchBuffer.empty() || this->m_comparator(searchBuffer, entry))
+                            this->m_filteredEntries.push_back(&entry);
+                    }
+                });
+
+            }
+
+            return this->m_filteredEntries;
+        }
+
+        void reset() {
+            this->m_filteredEntries.clear();
+        }
+    private:
+        std::atomic<bool> m_pendingUpdate = false;
+        TaskHolder m_updateTask;
+
+        std::string m_searchBuffer;
+        std::vector<const T*> m_filteredEntries;
+        std::function<bool(const std::string&, const T&)> m_comparator;
+    };
+
+}

plugins/windows/include/content/providers/process_memory_provider.hpp

@@ -7,6 +7,7 @@
 
 #include <imgui.h>
 #include <hex/ui/imgui_imhex_extensions.h>
+#include <hex/ui/widgets.hpp>
 
 #include <array>
 #include <mutex>
@@ -81,9 +82,15 @@ namespace hex::plugin::windows {
         };
 
         std::vector<Process> m_processes;
-        Process *m_selectedProcess = nullptr;
+        const Process *m_selectedProcess = nullptr;
 
         std::set<MemoryRegion> m_memoryRegions;
+        ui::SearchableWidget<Process> m_processSearchWidget = ui::SearchableWidget<Process>([](const std::string &search, const Process &process) {
+            return process.name.contains(search);
+        });
+        ui::SearchableWidget<MemoryRegion> m_regionSearchWidget = ui::SearchableWidget<MemoryRegion>([](const std::string &search, const MemoryRegion &memoryRegion) {
+            return memoryRegion.name.contains(search);
+        });
 
         HANDLE m_processHandle = nullptr;
 

plugins/windows/source/content/providers/process_memory_provider.cpp

@@ -127,27 +127,30 @@ namespace hex::plugin::windows {
         if (this->m_enumerationFailed) {
             ImGui::TextUnformatted("hex.windows.provider.process_memory.enumeration_failed"_lang);
         } else {
-            if (ImGui::BeginTable("##process_table", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollY, ImVec2(0, 500_scaled))) {
+            ImGui::PushItemWidth(350_scaled);
+            const auto &filtered = this->m_processSearchWidget.draw(this->m_processes);
+            ImGui::PopItemWidth();
+            if (ImGui::BeginTable("##process_table", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollY, ImVec2(350_scaled, 500_scaled))) {
                 ImGui::TableSetupColumn("##icon");
                 ImGui::TableSetupColumn("hex.windows.provider.process_memory.process_id"_lang);
                 ImGui::TableSetupColumn("hex.windows.provider.process_memory.process_name"_lang);
                 ImGui::TableSetupScrollFreeze(0, 1);
 
                 ImGui::TableHeadersRow();
 
-                for (auto &process : this->m_processes) {
-                    ImGui::PushID(process.id);
+                for (auto &process : filtered) {
+                    ImGui::PushID(process);
 
                     ImGui::TableNextRow();
                     ImGui::TableNextColumn();
-                    ImGui::Image(process.icon, process.icon.getSize());
+                    ImGui::Image(process->icon, process->icon.getSize());
 
                     ImGui::TableNextColumn();
-                    ImGui::Text("%d", process.id);
+                    ImGui::Text("%d", process->id);
 
                     ImGui::TableNextColumn();
-                    if (ImGui::Selectable(process.name.c_str(), this->m_selectedProcess != nullptr && process.id == this->m_selectedProcess->id, ImGuiSelectableFlags_SpanAllColumns, ImVec2(0, process.icon.getSize().y)))
-                        this->m_selectedProcess = &process;
+                    if (ImGui::Selectable(process->name.c_str(), this->m_selectedProcess != nullptr && process->id == this->m_selectedProcess->id, ImGuiSelectableFlags_SpanAllColumns, ImVec2(0, process->icon.getSize().y)))
+                        this->m_selectedProcess = process;
 
                     ImGui::PopID();
                 }
@@ -160,28 +163,33 @@ namespace hex::plugin::windows {
 
     void ProcessMemoryProvider::drawInterface() {
         ImGui::Header("hex.windows.provider.process_memory.memory_regions"_lang, true);
-        if (ImGui::BeginTable("##module_table", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollY, ImVec2(0, 400_scaled))) {
+
+        auto availableX = ImGui::GetContentRegionAvail().x;
+        ImGui::PushItemWidth(availableX);
+        const auto &filtered = this->m_regionSearchWidget.draw(this->m_memoryRegions);
+        ImGui::PopItemWidth();
+        if (ImGui::BeginTable("##module_table", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollY, ImVec2(availableX, 400_scaled))) {
             ImGui::TableSetupColumn("hex.builtin.common.region"_lang);
             ImGui::TableSetupColumn("hex.builtin.common.size"_lang);
             ImGui::TableSetupColumn("hex.builtin.common.name"_lang);
             ImGui::TableSetupScrollFreeze(0, 1);
 
             ImGui::TableHeadersRow();
 
-            for (auto &memoryRegion : this->m_memoryRegions) {
-                ImGui::PushID(memoryRegion.region.getStartAddress());
+            for (auto &memoryRegion : filtered) {
+                ImGui::PushID(memoryRegion->region.getStartAddress());
 
                 ImGui::TableNextRow();
                 ImGui::TableNextColumn();
-                ImGui::Text("0x%016llX - 0x%016llX", memoryRegion.region.getStartAddress(), memoryRegion.region.getEndAddress());
+                ImGui::Text("0x%016llX - 0x%016llX", memoryRegion->region.getStartAddress(), memoryRegion->region.getEndAddress());
 
                 ImGui::TableNextColumn();
-                ImGui::TextUnformatted(hex::toByteString(memoryRegion.region.getSize()).c_str());
+                ImGui::TextUnformatted(hex::toByteString(memoryRegion->region.getSize()).c_str());
 
 
                 ImGui::TableNextColumn();
-                if (ImGui::Selectable(memoryRegion.name.c_str(), false, ImGuiSelectableFlags_SpanAllColumns))
-                    ImHexApi::HexEditor::setSelection(memoryRegion.region);
+                if (ImGui::Selectable(memoryRegion->name.c_str(), false, ImGuiSelectableFlags_SpanAllColumns))
+                    ImHexApi::HexEditor::setSelection(memoryRegion->region);
 
                 ImGui::PopID();
             }