.gitignore

@@ -1,16 +0,0 @@
-# development
-qbolt
-dummy-data/dummy-data*
-
-# temporary build files
-rsrc_windows_amd64.syso
-windows-manifest.json
-
-# release build files
-build/qbolt
-build/qbolt.exe
-build/*.xz
-build/*.zip
-
-# local makefile definition scripts
-make-*

.hgignore

@@ -0,0 +1,5 @@
+mode:regexp
+^build-qbolt-
+^dummy-data/dummy-data$
+\.pro\.user$
+^build/

.hgtags

@@ -0,0 +1 @@
+74cacbbe8f6cfb20a63902fb76e48c02d5cf2963 release-1.0.0

Makefile

@@ -1,60 +1,68 @@
 
-VERSION := 1.0.3
+export PATH := /usr/lib/mxe/usr/bin:$(PATH)
-GOFLAGS_L := -ldflags='-s -w -X main.Version=v$(VERSION)' -buildvcs=false -gcflags='-trimpath=$(CURDIR)' -asmflags='-trimpath=$(CURDIR)'
+GOFLAGS := -ldflags='-s -w' -gcflags='-trimpath=$(CURDIR)' -asmflags='-trimpath=$(CURDIR)'
-GOFLAGS_W := -ldflags='-s -w -X main.Version=v$(VERSION) -H windowsgui' -buildvcs=false --tags=windowsqtstatic -gcflags='-trimpath=$(CURDIR)' -asmflags='-trimpath=$(CURDIR)'
+VERSION := 1.0.1
-SHELL := /bin/bash
-# Allow overriding DOCKER with e.g. sudo docker
-DOCKER := docker
-MIQT_UIC := miqt-uic
-MIQT_RCC := miqt-rcc
-GO_WINRES := go-winres
-SOURCES := $(wildcard *.go *.ui *.qrc) resources.go mainwindow_ui.go itemwindow_ui.go rsrc_windows_amd64.syso
 
-.PHONY: all
+.PHONY: all libs dist clean
-all: build/qbolt build/qbolt.exe
 
-.PHONY: dist
+all: \
-dist: build/qbolt-${VERSION}-windows-x86_64.zip build/qbolt-${VERSION}-debian12-x86_64.tar.xz
+	build/linux/qbolt \
+	build/win32/release/qbolt.exe
+
+libs: \
+	build/linux/qbolt.a \
+	build/win32/qbolt.a
+	
+dist: \
+	build/dist/qbolt-${VERSION}-win32.zip \
+	build/dist/qbolt-${VERSION}-src.tar.gz \
+	build/dist/qbolt-${VERSION}-linux_amd64.tar.xz
 
-.PHONY: clean
 clean:
-	rm -f qbolt || true
+	if [ -f qbolt/qbolt.a ] ; then rm qbolt/qbolt.a ; fi
-	rm -rf build || true
+	if [ -f qbolt ] ; then rm qbolt ; fi
-	rm -f windows-manifest.json || true
+	if [ -d build ] ; then rm -r build ; fi
 	
-# Generated files
+# Build core golang shared library (linux)
 	
-resources.rcc resources.go: resources.qrc
+build/linux/qbolt.a: *.go
-	$(MIQT_RCC) resources.qrc
+	mkdir -p build/linux
+	go build ${GOFLAGS} -buildmode=c-archive -o build/linux/qbolt.a
 	
-mainwindow_ui.go: mainwindow.ui
+# Build core golang shared library (win32)
-	$(MIQT_UIC) -InFile mainwindow.ui -OutFile mainwindow_ui.go
 	
-itemwindow_ui.go: itemwindow.ui
+build/win32/qbolt.a: *.go
-	$(MIQT_UIC) -InFile itemwindow.ui -OutFile itemwindow_ui.go
+	mkdir -p build/win32
+	CC=/usr/lib/mxe/usr/bin/i686-w64-mingw32.static-gcc CGO_ENABLED=1 GOARCH=386 GOOS=windows \
+		go build ${GOFLAGS} -buildmode=c-archive -o build/win32/qbolt.a
 
-windows-manifest.json: windows-manifest.template.json Makefile
+# Linux binaries
-	cat windows-manifest.template.json | sed -re 's_%VERSION%_$(VERSION)_' > windows-manifest.json
 	
-rsrc_windows_amd64.syso: windows-manifest.json
+build/linux/qbolt: build/linux/qbolt.a qbolt/*
-	$(GO_WINRES) make --in windows-manifest.json
+	cd build/linux && qmake ../../qbolt/qbolt.pro && make
-	rm rsrc_windows_386.syso || true # we do not build x86_32
 
-# Linux release
+# Linux distribution
 
-build/qbolt: $(SOURCES)
+build/dist/qbolt-${VERSION}-linux_amd64.tar.xz: build/linux/qbolt
-	go build $(GOFLAGS_L) -o build/qbolt
+	XZ_OPTS=-9 tar caf build/dist/qbolt-${VERSION}-linux_amd64.tar.xz -C build/linux qbolt --owner=0 --group=0
-	upx build/qbolt
 	
-build/qbolt-${VERSION}-debian12-x86_64.tar.xz: build/qbolt
+# Windows binaries
-	XZ_OPTS=-9e tar caf build/qbolt-${VERSION}-debian12-x86_64.tar.xz -C build qbolt --owner=0 --group=0
 
-# Windows release (docker)
+build/win32/release/qbolt.exe: build/win32/qbolt.a qbolt/*
+	cd build/win32 && i686-w64-mingw32.static-qmake-qt5 ../../qbolt/qbolt.pro && make
 
-build/qbolt.exe: $(SOURCES)
+# Windows distribution
-	( $(DOCKER) image ls | fgrep qbolt-win64-cross ) || ( cd docker && $(DOCKER) build -t qbolt-win64-cross:latest -f win64-cross.Dockerfile . )
-	$(DOCKER) run --rm -v $(CURDIR):/qbolt -w /qbolt qbolt-win64-cross:latest /bin/sh -c "go build $(GOFLAGS_W) -o build/qbolt.exe"
-	upx --force build/qbolt.exe
 
-build/qbolt-${VERSION}-windows-x86_64.zip: build/qbolt.exe
+build/win32/dist/qbolt.exe: build/win32/release/qbolt.exe
-	zip -9 -j build/qbolt-${VERSION}-windows-x86_64.zip build/qbolt.exe
+	mkdir -p build/win32/dist
+	cp build/win32/release/qbolt.exe build/win32/dist/qbolt.exe
+	upx --lzma build/win32/dist/qbolt.exe
+	
+build/dist/qbolt-${VERSION}-win32.zip: build/win32/dist/qbolt.exe
+	mkdir -p build/dist
+	zip -0 -j build/dist/qbolt-${VERSION}-win32.zip build/win32/dist/qbolt.exe
+
+# Source code archives
+
+build/dist/qbolt-${VERSION}-src.tar.gz:
+	hg archive build/dist/qbolt-${VERSION}-src.tar.gz

MemoryStore.go

@@ -0,0 +1,56 @@
+package main
+
+import "C"
+import (
+	"errors"
+	"sync"
+)
+
+type ObjectReference int64
+
+var NullObjectReference error = errors.New("Null object reference")
+
+// GoMemoryStore is a int->interface storage structure so that Go pointers are
+// never exposed to C code.
+type GoMemoryStore struct {
+	mtx   sync.RWMutex
+	items map[int64]interface{}
+	next  int64
+}
+
+func NewGoMemoryStore() *GoMemoryStore {
+	ret := GoMemoryStore{}
+	ret.items = make(map[int64]interface{})
+	return &ret
+}
+
+func (this *GoMemoryStore) Put(itm interface{}) ObjectReference {
+	this.mtx.Lock()
+	defer this.mtx.Unlock()
+
+	key := this.next
+	this.items[key] = itm
+	this.next++
+	return ObjectReference(key)
+}
+
+func (this *GoMemoryStore) Get(i ObjectReference) (interface{}, bool) {
+	this.mtx.RLock()
+	defer this.mtx.RUnlock()
+
+	ret, ok := this.items[int64(i)]
+	return ret, ok
+}
+
+func (this *GoMemoryStore) Delete(i ObjectReference) {
+	this.mtx.Lock()
+	defer this.mtx.Unlock()
+
+	delete(this.items, int64(i))
+}
+
+var gms *GoMemoryStore = nil
+
+func init() {
+	gms = NewGoMemoryStore()
+}

_dist/README.txt

@@ -1,12 +1,12 @@
-# qbolt
-
 A graphical database manager for BoltDB.
 
 QBolt allows you to graphically view and edit the content of Bolt databases.
 
-Written in Golang (Qt)
+The project consists of two parts; a C binding (CGo) for the embeddable Bolt database engine, and a graphical interface built in C++/Qt that links to it.
 
-## Features
+Written in C++ (Qt), Golang (CGo)
+
+=FEATURES=
 
 - Open existing database or create new database
 - Option to open database as readonly for concurrent use
@@ -16,39 +16,23 @@ Written in Golang (Qt)
 - 100% Bolt compatibility via the real codebase
 - Tested working on both Windows and Linux
 
-## License
+=LICENSE=
 
 Source code content of `qbolt-x.x.x-src.tar.gz` is released under the ISC license.
 BoltDB is released under the MIT license.
 The Windows binary is released under LGPL-3+ owing to the static copy of Qt.
 
-## See also
+=SEE ALSO=
 
 - BoltDB https://github.com/boltdb/bolt
 
-## Changelog
+=CHANGELOG=
-
-2024-10-05 1.0.3
-- Port from hybrid Go/C++ to now using [MIQT](https://github.com/mappu/miqt)
-- Switch Windows build to win64
-- Rebuild artefacts with miqt v0.5.0, etcd-io/bbolt v1.3.11, go 1.19 (deb12), go 1.23 (win64)
-- [⬇ Download here](https://git.ivysaur.me/code.ivysaur.me/qbolt/releases/tag/v1.0.3)
-
-2020-04-12 1.0.2
-- Rebuild artefacts with etcd-io/bbolt v1.3.5, go 1.15, Qt 5.15, and new GCC versions
-- Switch from hg to Git
-- Use Go modules
-- Add support for building Windows binary in Docker
-- [⬇ Download here](https://git.ivysaur.me/code.ivysaur.me/qbolt/releases/tag/v1.0.2)
 
 2017-06-19 1.0.1
 - Feature: Option to open database as read-only
 - Fix an issue with support for bucket names and keys not surviving UTF-8 roundtrips (now binary-clean)
 - Fix an issue with crashing when deleting a bucket other than the selected one
 - Fix a cosmetic issue with application icon on Windows
-- [⬇ Download here](https://git.ivysaur.me/code.ivysaur.me/qbolt/releases/tag/v1.0.1)
 
 2017-05-21 1.0.0
 - Initial public release
-- The project consists of two parts; a C binding (CGo) for the embeddable Bolt database engine, and a graphical interface built in C++/Qt that links to it.
-- [⬇ Download here](https://git.ivysaur.me/code.ivysaur.me/qbolt/releases/tag/v1.0.0)

_dist/TODO.txt

@@ -0,0 +1,9 @@
+
+- Reduce unnecessary memory copies between QString/QByteArray
+
+- Convert from item-based to model-based Qt widgets - needs deep integration with Bolt cursors...
+
+- Rename buckets
+
+- Delete multiple buckets
+

bolt.go

@@ -1,219 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"errors"
-	"os"
-	"time"
-
-	bolt "go.etcd.io/bbolt"
-)
-
-func Bolt_Open(readOnly bool, path string) (*bolt.DB, error) {
-	opts := *bolt.DefaultOptions
-	opts.Timeout = 10 * time.Second
-	opts.ReadOnly = readOnly
-
-	return bolt.Open(path, os.FileMode(0644), &opts)
-}
-
-func walkBuckets(tx *bolt.Tx, browse []string) (*bolt.Bucket, error) {
-	bucket := tx.Bucket([]byte(browse[0]))
-	if bucket == nil {
-		return nil, errors.New("Unknown bucket")
-	}
-
-	for i := 1; i < len(browse); i += 1 {
-		bucket = bucket.Bucket([]byte(browse[i]))
-		if bucket == nil {
-			return nil, errors.New("Unknown bucket")
-		}
-	}
-
-	return bucket, nil
-}
-
-func withBrowse_ReadOnly(db *bolt.DB, browse []string, fn func(tx *bolt.Tx, bucket *bolt.Bucket) error) error {
-	if len(browse) == 0 {
-		// not a bucket
-		return errors.New("No bucket selected")
-	}
-
-	return db.View(func(tx *bolt.Tx) error {
-
-		bucket, err := walkBuckets(tx, browse)
-		if err != nil {
-			return err
-		}
-
-		// Walked the bucket chain, now run the user callback
-		return fn(tx, bucket)
-
-	})
-}
-
-func Bolt_CreateBucket(db *bolt.DB, browse []string, newBucket string) error {
-
-	return db.Update(func(tx *bolt.Tx) error {
-
-		if len(browse) == 0 {
-			// Top-level bucket
-			_, err := tx.CreateBucket([]byte(newBucket))
-			return err
-
-		} else {
-			// Deeper bucket
-			bucket, err := walkBuckets(tx, browse)
-			if err != nil {
-				return err
-			}
-
-			// Walked the bucket chain, now create the new bucket
-			_, err = bucket.CreateBucket([]byte(newBucket))
-			return err
-		}
-	})
-}
-
-func Bolt_DeleteBucket(db *bolt.DB, browse []string, delBucket string) error {
-	return db.Update(func(tx *bolt.Tx) error {
-
-		if len(browse) == 0 {
-			// Top-level bucket
-			return tx.DeleteBucket([]byte(delBucket))
-
-		} else {
-			// Deeper bucket
-			bucket, err := walkBuckets(tx, browse)
-			if err != nil {
-				return err
-			}
-
-			// Walked the bucket chain, now delete the selected bucket
-			return bucket.DeleteBucket([]byte(delBucket))
-		}
-	})
-}
-
-func Bolt_SetItem(db *bolt.DB, browse []string, key, val string) error {
-	if len(browse) == 0 {
-		return errors.New("Can't create top-level items")
-	}
-
-	return db.Update(func(tx *bolt.Tx) error {
-
-		bucket, err := walkBuckets(tx, browse)
-		if err != nil {
-			return err
-		}
-
-		return bucket.Put([]byte(key), []byte(val))
-	})
-}
-
-func Bolt_DeleteItem(db *bolt.DB, browse []string, key string) error {
-	if len(browse) == 0 {
-		return errors.New("Can't create top-level items")
-	}
-
-	return db.Update(func(tx *bolt.Tx) error {
-
-		bucket, err := walkBuckets(tx, browse)
-		if err != nil {
-			return err
-		}
-
-		return bucket.Delete([]byte(key))
-	})
-}
-
-func Bolt_DBStats(db *bolt.DB) (string, error) {
-	jBytes, err := json.MarshalIndent(db.Stats(), "", "  ")
-	if err != nil {
-		return "", err
-	}
-
-	return string(jBytes), nil
-}
-
-func Bolt_BucketStats(db *bolt.DB, browse []string) (string, error) {
-	var stats bolt.BucketStats
-
-	err := withBrowse_ReadOnly(db, browse, func(tx *bolt.Tx, bucket *bolt.Bucket) error {
-		stats = bucket.Stats()
-		return nil
-	})
-	if err != nil {
-		return "", err
-	}
-
-	jBytes, err := json.MarshalIndent(stats, "", "  ")
-	if err != nil {
-		return "", err
-	}
-
-	return string(jBytes), err
-}
-
-func Bolt_ListBuckets(db *bolt.DB, browse []string, cb func(b string)) error {
-
-	if len(browse) == 0 {
-		// root mode
-		return db.View(func(tx *bolt.Tx) error {
-			return tx.ForEach(func(k []byte, _ *bolt.Bucket) error {
-				cb(string(k))
-				return nil
-			})
-		})
-
-	}
-
-	// Nested-mode
-	return withBrowse_ReadOnly(db, browse, func(tx *bolt.Tx, bucket *bolt.Bucket) error {
-		return bucket.ForEach(func(k, v []byte) error {
-			// non-nil v means it's a data item
-			if v == nil {
-				cb(string(k))
-			}
-			return nil
-		})
-	})
-}
-
-type ListItemInfo struct {
-	Name    string
-	DataLen int64
-}
-
-func Bolt_ListItems(db *bolt.DB, browse []string, cb func(ListItemInfo) error) error {
-
-	if len(browse) == 0 {
-		return errors.New("No bucket specified")
-	}
-
-	// Nested-mode
-	return withBrowse_ReadOnly(db, browse, func(tx *bolt.Tx, bucket *bolt.Bucket) error {
-		return bucket.ForEach(func(k, v []byte) error {
-			if v == nil {
-				return nil // nil v means it's a bucket, skip
-			}
-
-			return cb(ListItemInfo{string(k), int64(len(v))})
-		})
-	})
-}
-
-func Bolt_GetItem(db *bolt.DB, browse []string, key string) (string, error) {
-	var ret string
-
-	err := withBrowse_ReadOnly(db, browse, func(tx *bolt.Tx, bucket *bolt.Bucket) error {
-		d := bucket.Get([]byte(key))
-		ret = string(d)
-		return nil
-	})
-	return ret, err
-}
-
-func Bolt_Close(db *bolt.DB) error {
-	return db.Close()
-}

docker/win64-cross.Dockerfile

@@ -1,20 +0,0 @@
-FROM golang:1.23-bookworm
-
-RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
-    apt-get install -qyy gnupg2 ca-certificates
-    
-RUN DEBIAN_FRONTEND=noninteractive \
-    echo "deb https://pkg.mxe.cc/repos/apt buster main" >/etc/apt/sources.list.d/mxeapt.list && \
-    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 86B72ED9 && \
-    apt-get update && \
-    apt-get install -qyy mxe-x86-64-w64-mingw32.static-qt5 && \
-    apt-get clean
-
-ENV PATH=/usr/lib/mxe/usr/bin:$PATH
-
-ENV CXX=x86_64-w64-mingw32.static-g++
-ENV CC=x86_64-w64-mingw32.static-gcc
-ENV PKG_CONFIG=x86_64-w64-mingw32.static-pkg-config
-ENV GOOS=windows
-ENV CGO_ENABLED=1
- 

dummy-data/main.go

@@ -1,10 +1,11 @@
 package main
 
 import (
+	//"fmt"
 	"math/rand"
 	"os"
 
-	bolt "go.etcd.io/bbolt"
+	"github.com/boltdb/bolt"
 )
 
 func random_name() string {

go.mod

@@ -1,10 +0,0 @@
-module code.ivysaur.me/qbolt
-
-go 1.23
-
-require (
-	github.com/mappu/miqt v0.5.0
-	go.etcd.io/bbolt v1.3.11
-)
-
-require golang.org/x/sys v0.4.0 // indirect

go.sum

@@ -1,11 +0,0 @@
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/mappu/miqt v0.5.0 h1:BWajkNI9PWlWN6ZDgWKwv1gieBGEImRqlWS8ZqDmDfA=
-github.com/mappu/miqt v0.5.0/go.mod h1:xFg7ADaO1QSkmXPsPODoKe/bydJpRG9fgCYyIDl/h1U=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
-go.etcd.io/bbolt v1.3.11 h1:yGEzV1wPz2yVCLsD8ZAiGHhHVlczyC9d1rP43/VCRJ0=
-go.etcd.io/bbolt v1.3.11/go.mod h1:dksAq7YMXoljX0xu6VF5DMZGbhYYoLUalEiSySYAS4I=
-golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
-golang.org/x/sys v0.4.0 h1:Zr2JFtRQNX3BCZ8YtxRE9hNJYC8J6I1MVbMg6owUp18=
-golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

itemwindow_ui.go

@@ -1,71 +0,0 @@
-// Generated by miqt-uic. To update this file, edit the .ui file in
-// Qt Designer, and then run 'go generate'.
-//
-//go:generate miqt-uic -InFile itemwindow.ui -OutFile itemwindow_ui.go
-
-package main
-
-import (
-	"github.com/mappu/miqt/qt"
-)
-
-type ItemWindowUi struct {
-	ItemWindow   *qt.QDialog
-	gridLayout_2 *qt.QGridLayout
-	contentArea  *qt.QPlainTextEdit
-	frame        *qt.QFrame
-	gridLayout   *qt.QGridLayout
-	buttonBox    *qt.QDialogButtonBox
-}
-
-// NewItemWindowUi creates all Qt widget classes for ItemWindow.
-func NewItemWindowUi() *ItemWindowUi {
-	ui := &ItemWindowUi{}
-
-	ui.ItemWindow = qt.NewQDialog2(nil)
-	ui.ItemWindow.SetObjectName("ItemWindow")
-	ui.ItemWindow.Resize(370, 353)
-	ui.ItemWindow.SetWindowTitle("")
-	icon0 := qt.NewQIcon()
-	icon0.AddFile4(":/rsrc/database_lightning.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.ItemWindow.SetWindowIcon(icon0)
-
-	ui.gridLayout_2 = qt.NewQGridLayout(ui.ItemWindow.QWidget)
-	ui.gridLayout_2.SetObjectName("gridLayout_2")
-	ui.gridLayout_2.SetVerticalSpacing(0)
-	ui.gridLayout_2.SetContentsMargins(0, 0, 0, 0)
-	ui.gridLayout_2.SetSpacing(6)
-
-	ui.contentArea = qt.NewQPlainTextEdit3(ui.ItemWindow.QWidget)
-	ui.contentArea.SetObjectName("contentArea")
-	ui.contentArea.SetFrameShape(qt.QFrame__NoFrame)
-
-	ui.gridLayout_2.AddWidget2(ui.contentArea.QWidget, 0, 0)
-
-	ui.frame = qt.NewQFrame2(ui.ItemWindow.QWidget)
-	ui.frame.SetObjectName("frame")
-
-	ui.gridLayout = qt.NewQGridLayout(ui.frame.QWidget)
-	ui.gridLayout.SetObjectName("gridLayout")
-	ui.gridLayout.SetContentsMargins(11, 11, 11, 11)
-	ui.gridLayout.SetSpacing(6)
-
-	ui.buttonBox = qt.NewQDialogButtonBox5(ui.frame.QWidget)
-	ui.buttonBox.SetObjectName("buttonBox")
-	ui.buttonBox.SetStandardButtons(qt.QDialogButtonBox__Cancel | qt.QDialogButtonBox__Save)
-	ui.buttonBox.OnAccepted(ui.ItemWindow.Accept)
-	ui.buttonBox.OnRejected(ui.ItemWindow.Reject)
-
-	ui.gridLayout.AddWidget2(ui.buttonBox.QWidget, 0, 0)
-
-	ui.gridLayout_2.AddWidget2(ui.frame.QWidget, 1, 0)
-
-	ui.Retranslate()
-
-	return ui
-}
-
-// Retranslate reapplies all text translations.
-func (ui *ItemWindowUi) Retranslate() {
-
-}

main.go

@@ -1,22 +1,398 @@
 package main
 
+import "C"
 import (
+	"encoding/binary"
+	"encoding/json"
+	"errors"
 	"os"
+	"time"
 
-	"github.com/mappu/miqt/qt"
+	"github.com/boltdb/bolt"
 )
 
-var Version string = "v0.0.0-devel"
+const (
+	ERROR_AND_STOP_CALLING int64 = 100
+	ERROR_AND_KEEP_CALLING       = 101
+	FINISHED_OK                  = 102
+	REAL_MESSAGE                 = 103
+)
+
+const Magic int64 = 0x10203040
+
+//export GetMagic
+func GetMagic() int64 {
+	return Magic
+}
+
+//export Bolt_Open
+func Bolt_Open(readOnly bool, path string) (ObjectReference, *C.char, int) {
+	opts := *bolt.DefaultOptions
+	opts.Timeout = 10 * time.Second
+	opts.ReadOnly = readOnly
+
+	ptrDB, err := bolt.Open(path, os.FileMode(0644), &opts)
+	if err != nil {
+		errMsg := err.Error()
+		return 0, C.CString(errMsg), len(errMsg)
+	}
+
+	dbRef := gms.Put(ptrDB)
+	return dbRef, nil, 0
+}
+
+func withBoltDBReference(b ObjectReference, fn func(db *bolt.DB) error) error {
+	dbIFC, ok := gms.Get(b)
+	if !ok {
+		return NullObjectReference
+	}
+
+	ptrDB, ok := dbIFC.(*bolt.DB)
+	if !ok {
+		return NullObjectReference
+	}
+
+	return fn(ptrDB)
+}
+
+func walkBuckets(tx *bolt.Tx, browse []string) (*bolt.Bucket, error) {
+	bucket := tx.Bucket([]byte(browse[0]))
+	if bucket == nil {
+		return nil, errors.New("Unknown bucket")
+	}
+
+	for i := 1; i < len(browse); i += 1 {
+		bucket = bucket.Bucket([]byte(browse[i]))
+		if bucket == nil {
+			return nil, errors.New("Unknown bucket")
+		}
+	}
+
+	return bucket, nil
+}
+
+func withBrowse_ReadOnly(b_ref ObjectReference, browse []string, fn func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error) error {
+	if len(browse) == 0 {
+		// not a bucket
+		return errors.New("No bucket selected")
+	}
+
+	return withBoltDBReference(b_ref, func(db *bolt.DB) error {
+		return db.View(func(tx *bolt.Tx) error {
+
+			bucket, err := walkBuckets(tx, browse)
+			if err != nil {
+				return err
+			}
+
+			// Walked the bucket chain, now run the user callback
+			return fn(db, tx, bucket)
+
+		})
+	})
+}
+
+func err2triple(err error) (int64, *C.char, int) {
+	if err != nil {
+		msg := err.Error()
+		return ERROR_AND_STOP_CALLING, C.CString(msg), len(msg)
+	}
+
+	return FINISHED_OK, nil, 0
+}
+
+//export Bolt_CreateBucket
+func Bolt_CreateBucket(b_ref ObjectReference, browse []string, newBucket string) (int64, *C.char, int) {
+	err := withBoltDBReference(b_ref, func(db *bolt.DB) error {
+		return db.Update(func(tx *bolt.Tx) error {
+
+			if len(browse) == 0 {
+				// Top-level bucket
+				_, err := tx.CreateBucket([]byte(newBucket))
+				return err
+
+			} else {
+				// Deeper bucket
+				bucket, err := walkBuckets(tx, browse)
+				if err != nil {
+					return err
+				}
+
+				// Walked the bucket chain, now create the new bucket
+				_, err = bucket.CreateBucket([]byte(newBucket))
+				return err
+			}
+		})
+	})
+
+	return err2triple(err)
+}
+
+//export Bolt_DeleteBucket
+func Bolt_DeleteBucket(b_ref ObjectReference, browse []string, delBucket string) (int64, *C.char, int) {
+	err := withBoltDBReference(b_ref, func(db *bolt.DB) error {
+		return db.Update(func(tx *bolt.Tx) error {
+
+			if len(browse) == 0 {
+				// Top-level bucket
+				return tx.DeleteBucket([]byte(delBucket))
+
+			} else {
+				// Deeper bucket
+				bucket, err := walkBuckets(tx, browse)
+				if err != nil {
+					return err
+				}
+
+				// Walked the bucket chain, now delete the selected bucket
+				return bucket.DeleteBucket([]byte(delBucket))
+			}
+		})
+	})
+
+	return err2triple(err)
+}
+
+//export Bolt_SetItem
+func Bolt_SetItem(b_ref ObjectReference, browse []string, key, val string) (int64, *C.char, int) {
+	if len(browse) == 0 {
+		return err2triple(errors.New("Can't create top-level items"))
+	}
+
+	err := withBoltDBReference(b_ref, func(db *bolt.DB) error {
+		return db.Update(func(tx *bolt.Tx) error {
+
+			bucket, err := walkBuckets(tx, browse)
+			if err != nil {
+				return err
+			}
+
+			return bucket.Put([]byte(key), []byte(val))
+		})
+	})
+
+	return err2triple(err)
+}
+
+//export Bolt_DeleteItem
+func Bolt_DeleteItem(b_ref ObjectReference, browse []string, key string) (int64, *C.char, int) {
+	if len(browse) == 0 {
+		return err2triple(errors.New("Can't create top-level items"))
+	}
+
+	err := withBoltDBReference(b_ref, func(db *bolt.DB) error {
+		return db.Update(func(tx *bolt.Tx) error {
+
+			bucket, err := walkBuckets(tx, browse)
+			if err != nil {
+				return err
+			}
+
+			return bucket.Delete([]byte(key))
+		})
+	})
+
+	return err2triple(err)
+}
+
+type CallResponse struct {
+	s string
+	e error
+}
+
+//export Bolt_DBStats
+func Bolt_DBStats(b ObjectReference) (int64, *C.char, int) {
+	var stats bolt.Stats
+
+	err := withBoltDBReference(b, func(db *bolt.DB) error {
+		stats = db.Stats()
+		return nil
+	})
+
+	jBytes, err := json.Marshal(stats)
+	if err != nil {
+		return err2triple(err)
+	}
+
+	return REAL_MESSAGE, C.CString(string(jBytes)), len(jBytes)
+}
+
+//export Bolt_BucketStats
+func Bolt_BucketStats(b ObjectReference, browse []string) (int64, *C.char, int) {
+	var stats bolt.BucketStats
+
+	err := withBrowse_ReadOnly(b, browse, func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error {
+		stats = bucket.Stats()
+		return nil
+	})
+
+	if err != nil {
+		return err2triple(err)
+	}
+
+	jBytes, err := json.Marshal(stats)
+	if err != nil {
+		return err2triple(err)
+	}
+
+	return REAL_MESSAGE, C.CString(string(jBytes)), len(jBytes)
+}
+
+type NextCall struct {
+	content chan CallResponse
+}
+
+//export Bolt_ListBuckets
+func Bolt_ListBuckets(b ObjectReference, browse []string) ObjectReference {
+	pNC := &NextCall{
+		content: make(chan CallResponse, 0),
+	}
+
+	pNC_Ref := gms.Put(pNC)
+
+	go func() {
+		var err error
+
+		if len(browse) == 0 {
+			// root mode
+			err = withBoltDBReference(b, func(db *bolt.DB) error {
+				return db.View(func(tx *bolt.Tx) error {
+					return tx.ForEach(func(k []byte, _ *bolt.Bucket) error {
+						pNC.content <- CallResponse{s: string(k)}
+						return nil
+					})
+				})
+			})
+
+		} else {
+			// Nested-mode
+			err = withBrowse_ReadOnly(b, browse, func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error {
+				return bucket.ForEach(func(k, v []byte) error {
+					// non-nil v means it's a data item
+					if v == nil {
+						pNC.content <- CallResponse{s: string(k)}
+					}
+					return nil
+				})
+			})
+
+		}
+
+		if err != nil {
+			pNC.content <- CallResponse{e: err}
+		}
+
+		close(pNC.content)
+	}()
+
+	return pNC_Ref
+}
+
+//export Bolt_ListItems
+func Bolt_ListItems(b ObjectReference, browse []string) ObjectReference {
+
+	pNC := &NextCall{
+		content: make(chan CallResponse, 0),
+	}
+
+	pNC_Ref := gms.Put(pNC)
+
+	go func() {
+		var err error
+
+		if len(browse) == 0 {
+			err = errors.New("No bucket specified")
+		} else {
+			// Nested-mode
+			err = withBrowse_ReadOnly(b, browse, func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error {
+				return bucket.ForEach(func(k, v []byte) error {
+					if v == nil {
+						return nil // nil v means it's a bucket, skip
+					}
+
+					itemLength := make([]byte, 8)
+					binary.LittleEndian.PutUint64(itemLength, uint64(len(v)))
+					pNC.content <- CallResponse{s: string(itemLength) + string(k)}
+					return nil
+				})
+			})
+		}
+
+		if err != nil {
+			pNC.content <- CallResponse{e: err}
+		}
+
+		close(pNC.content)
+	}()
+
+	return pNC_Ref
+}
+
+//export Bolt_GetItem
+func Bolt_GetItem(b ObjectReference, browse []string, key string) (int64, *C.char, int) {
+	var ret *C.char = nil
+	var ret_len = 0
+
+	err := withBrowse_ReadOnly(b, browse, func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error {
+		d := bucket.Get([]byte(key))
+		ret = C.CString(string(d))
+		ret_len = len(d)
+		return nil
+	})
+
+	if err != nil {
+		return err2triple(err)
+	}
+
+	return REAL_MESSAGE, ret, ret_len
+}
+
+//export GetNext
+func GetNext(oRef ObjectReference) (int64, *C.char, int) {
+	pNC_Iface, ok := gms.Get(oRef)
+	if !ok {
+		return err2triple(NullObjectReference)
+	}
+
+	pNC, ok := pNC_Iface.(*NextCall)
+	if !ok {
+		return err2triple(NullObjectReference)
+	}
+
+	cr, ok := <-pNC.content
+	if !ok {
+		gms.Delete(oRef)
+		return err2triple(nil)
+	}
+
+	if cr.e != nil {
+		msg := cr.e.Error()
+		return ERROR_AND_KEEP_CALLING, C.CString(msg), len(msg)
+	}
+
+	return REAL_MESSAGE, C.CString(cr.s), len(cr.s)
+}
+
+//export Bolt_ListBucketsAtRoot
+func Bolt_ListBucketsAtRoot(b ObjectReference) ObjectReference {
+	return Bolt_ListBuckets(b, nil)
+}
+
+//export Bolt_Close
+func Bolt_Close(b ObjectReference) (*C.char, int) {
+	err := withBoltDBReference(b, func(db *bolt.DB) error {
+		return db.Close()
+	})
+
+	if err != nil {
+		msg := err.Error()
+		return C.CString(msg), len(msg)
+	}
+
+	gms.Delete(b)
+	return nil, 0
+}
 
 func main() {
-
+	// virtual
-	_ = qt.NewQApplication(os.Args)
-
-	qt.QGuiApplication_SetApplicationDisplayName("QBolt")
-	qt.QGuiApplication_SetWindowIcon(qt.NewQIcon4(":/rsrc/database_lightning.png"))
-
-	w := NewMainWindow()
-	w.ui.MainWindow.Show()
-
-	qt.QApplication_Exec()
 }

mainwindow.go

@@ -1,496 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"path/filepath"
-	"strconv"
-	"strings"
-
-	"github.com/mappu/miqt/qt"
-	bolt "go.etcd.io/bbolt"
-)
-
-type MainWindow struct {
-	ui *MainWindowUi
-
-	databaseContext      *qt.QMenu
-	bucketContext        *qt.QMenu
-	lastContextSelection *qt.QTreeWidgetItem
-}
-
-func NewMainWindow() *MainWindow {
-	this := &MainWindow{}
-	this.ui = NewMainWindowUi()
-
-	this.on_bucketTree_currentItemChanged(nil, nil)
-
-	this.databaseContext = qt.NewQMenu()
-	this.databaseContext.QWidget.AddAction(this.ui.actionRefresh_buckets)
-	this.databaseContext.QWidget.AddAction(this.ui.actionAdd_bucket)
-	this.databaseContext.AddSeparator()
-	this.databaseContext.QWidget.AddAction(this.ui.actionDisconnect)
-
-	this.bucketContext = qt.NewQMenu()
-	this.bucketContext.QWidget.AddAction(this.ui.actionRefresh_buckets)
-	this.bucketContext.QWidget.AddAction(this.ui.actionAdd_bucket)
-	this.bucketContext.AddSeparator()
-	this.bucketContext.QWidget.AddAction(this.ui.actionDelete_bucket)
-
-	// Connections
-	this.ui.actionNew_database.OnTriggered(this.on_actionNew_database_triggered)
-	this.ui.actionOpen_database.OnTriggered(this.on_actionOpen_database_triggered)
-	this.ui.actionOpen_database_as_read_only.OnTriggered(this.on_actionOpen_database_as_read_only_triggered)
-	this.ui.actionExit.OnTriggered(this.on_actionExit_triggered)
-	this.ui.actionAbout_Qt.OnTriggered(this.on_actionAbout_Qt_triggered)
-	this.ui.actionAbout_qbolt.OnTriggered(this.on_actionAbout_qbolt_triggered)
-	this.ui.actionDisconnect.OnTriggered(this.on_actionDisconnect_triggered)
-	this.ui.bucketTree.OnCustomContextMenuRequested(this.on_bucketTree_customContextMenuRequested)
-	this.ui.actionRefresh_buckets.OnTriggered(this.on_actionRefresh_buckets_triggered)
-	this.ui.bucketTree.OnCurrentItemChanged(this.on_bucketTree_currentItemChanged)
-	this.ui.actionClear_selection.OnTriggered(this.on_actionClear_selection_triggered)
-	this.ui.bucketData.OnDoubleClicked(this.on_bucketData_doubleClicked)
-	this.ui.actionAdd_bucket.OnTriggered(this.on_actionAdd_bucket_triggered)
-	this.ui.actionDelete_bucket.OnTriggered(this.on_actionDelete_bucket_triggered)
-	this.ui.AddDataButton.OnClicked(this.on_AddDataButton_clicked)
-	this.ui.DeleteDataButton.OnClicked(this.on_DeleteDataButton_clicked)
-	this.ui.bucketData.OnItemSelectionChanged(this.on_bucketData_itemSelectionChanged)
-
-	return this
-}
-
-const (
-	BdbPointerRole = int(qt.UserRole + 1)
-	BinaryDataRole = int(qt.UserRole + 2)
-)
-
-var bdbs []*bolt.DB = nil
-
-func SET_BDB(top *qt.QTreeWidgetItem, bdb *bolt.DB) {
-	idx := len(bdbs)
-	bdbs = append(bdbs, bdb)
-	top.SetData(0, BdbPointerRole, qt.NewQVariant7(idx)) // Don't store a Go pointer in Qt memory
-}
-
-func GET_BDB(top *qt.QTreeWidgetItem) *bolt.DB {
-	if top == nil {
-		panic("Passed a nil QTreeWidgetItem")
-	}
-
-	dataVariant := top.Data(0, BdbPointerRole)
-	if dataVariant == nil {
-		panic("Selected item has no bdb")
-	}
-
-	return bdbs[dataVariant.ToInt()]
-}
-
-func (this *MainWindow) Widget() *qt.QWidget {
-	return this.ui.centralWidget
-}
-
-func (this *MainWindow) on_actionNew_database_triggered() {
-	file := qt.QFileDialog_GetSaveFileName2(this.Widget(), "Save new bolt database as...")
-	if len(file) > 0 {
-		this.openDatabase(file, false)
-	}
-}
-
-func (this *MainWindow) on_actionOpen_database_triggered() {
-	file := qt.QFileDialog_GetOpenFileName2(this.Widget(), "Select bolt database...")
-	if len(file) > 0 {
-		this.openDatabase(file, false)
-	}
-}
-
-func (this *MainWindow) on_actionOpen_database_as_read_only_triggered() {
-	file := qt.QFileDialog_GetOpenFileName2(this.Widget(), "Select bolt database...")
-	if len(file) > 0 {
-		this.openDatabase(file, true)
-	}
-}
-
-func (this *MainWindow) alert(message string) {
-	qt.QMessageBox_Critical(this.Widget(), "qbolt", message)
-}
-
-func (this *MainWindow) openDatabase(file string, readOnly bool) {
-
-	// Open
-	bdb, err := Bolt_Open(readOnly, file)
-	if err != nil {
-		this.alert(fmt.Sprintf("Error opening database: %s", err.Error()))
-		return
-	}
-
-	top := qt.NewQTreeWidgetItem()
-	top.SetText(0, filepath.Base(file))
-	top.SetIcon(0, qt.NewQIcon4(":/rsrc/database.png"))
-	SET_BDB(top, bdb)
-	this.ui.bucketTree.AddTopLevelItem(top)
-
-	this.refreshBucketTree(top)
-	this.ui.bucketTree.SetCurrentItem(top)
-
-	this.ui.bucketTree.ExpandItem(top)
-}
-
-func getDisplayName(qba string) string {
-	if qba == "" {
-		return "<empty>"
-	}
-
-	ret := strconv.Quote(qba)
-	return ret[1 : len(ret)-1]
-}
-
-func (this *MainWindow) refreshBucketTree(itm *qt.QTreeWidgetItem) {
-	ws := this.getSelection(itm)
-
-	// Remove existing children
-	i := itm.ChildCount()
-	for i > 0 {
-		itm.TakeChild(i - 1).Delete()
-		i -= 1
-	}
-
-	err := Bolt_ListBuckets(ws.bdb, ws.browse, func(qba string) {
-
-		child := qt.NewQTreeWidgetItem6(itm) // NewQTreeWidgetItem()
-		child.SetText(0, getDisplayName(qba))
-		child.SetData(0, BinaryDataRole, qt.NewQVariant15(MakeQByteArray(qba)))
-		child.SetIcon(0, qt.NewQIcon4(":/rsrc/table.png"))
-
-		itm.AddChild(child)
-		this.refreshBucketTree(child)
-	})
-	if err != nil {
-		this.alert(fmt.Sprintf("Error listing buckets under %s: %s", strings.Join(ws.browse, `/`), err.Error()))
-		return
-	}
-}
-
-func (this *MainWindow) on_actionExit_triggered() {
-	this.ui.MainWindow.Close()
-}
-
-func (this *MainWindow) on_actionAbout_Qt_triggered() {
-	qt.QApplication_AboutQt()
-}
-
-func (this *MainWindow) on_actionAbout_qbolt_triggered() {
-	qt.QMessageBox_About(
-		this.Widget(),
-		qt.QGuiApplication_ApplicationDisplayName(),
-		"<b>QBolt "+Version+"</b><br>Graphical interface for managing Bolt databases<br><br>"+
-			"- <a href='https://github.com/boltdb/bolt'>About BoltDB</a><br>"+
-			"- <a href='http://www.famfamfam.com/lab/icons/silk/'>FamFamFam &quot;Silk&quot; icon set</a><br>"+
-			"- <a href='https://code.ivysaur.me/qbolt'>QBolt homepage</a><br>",
-	)
-}
-
-func (this *MainWindow) on_actionDisconnect_triggered() {
-	top := this.lastContextSelection
-	if top.Parent() != nil {
-		return // somehow we didn't select a top-level item
-	}
-
-	bdb := GET_BDB(top)
-
-	// Remove UI
-	this.ui.bucketTree.ClearSelection()
-	top.Delete()
-
-	// Disconnect from DB
-	bdb.Close()
-}
-
-func (this *MainWindow) on_bucketTree_customContextMenuRequested(pos *qt.QPoint) {
-
-	itm := this.ui.bucketTree.ItemAt(pos)
-	if itm == nil {
-		return
-	}
-
-	this.lastContextSelection = itm
-
-	if itm.Parent() != nil {
-		// Child item, show the bucket menu
-		this.bucketContext.Popup(this.ui.bucketTree.Viewport().MapToGlobal(pos))
-
-	} else {
-		// Top-level item, show the database menu
-		this.databaseContext.Popup(this.ui.bucketTree.Viewport().MapToGlobal(pos))
-	}
-}
-
-func (this *MainWindow) on_actionRefresh_buckets_triggered() {
-	this.refreshBucketTree(this.lastContextSelection)
-}
-
-func (this *MainWindow) on_bucketTree_currentItemChanged(current, previous *qt.QTreeWidgetItem) {
-	_ = previous // Q_UNUSED
-	if current == nil {
-		this.ui.stackedWidget.SetVisible(false)
-		return
-	}
-
-	this.ui.stackedWidget.SetVisible(true)
-
-	if current.Parent() == nil {
-		// Selected a database
-		this.ui.stackedWidget.SetCurrentWidget(this.ui.databasePage)
-		this.ui.databasePropertiesArea.Clear()
-
-		bdb := GET_BDB(current)
-		stats, err := Bolt_DBStats(bdb)
-		if err != nil {
-			this.ui.databasePropertiesArea.SetPlainText(fmt.Sprintf("Error retrieving database statistics: %s", err.Error()))
-		} else {
-			this.ui.databasePropertiesArea.SetPlainText(stats)
-		}
-
-		// Clean up foreign areas
-		this.ui.bucketPropertiesArea.Clear()
-		this.ui.bucketData.Clear()
-
-	} else {
-		// Selected a bucket
-
-		this.ui.stackedWidget.SetCurrentWidget(this.ui.bucketPage)
-		this.ui.bucketPropertiesArea.Clear()
-
-		ws := this.getSelection(current)
-
-		stats, err := Bolt_BucketStats(ws.bdb, ws.browse)
-		if err != nil {
-			this.ui.bucketPropertiesArea.SetPlainText(fmt.Sprintf("Error retrieving bucket statistics: %s", err.Error()))
-		} else {
-			this.ui.bucketPropertiesArea.SetPlainText(stats)
-		}
-
-		// Load the data tab
-		this.refreshData(ws.bdb, ws.browse)
-
-		// Clean up foreign areas
-		this.ui.databasePropertiesArea.Clear()
-	}
-}
-
-func (this *MainWindow) refreshData(bdb *bolt.DB, browse []string) {
-	// Load the data tab
-	this.ui.bucketData.Clear()
-
-	err := Bolt_ListItems(bdb, browse, func(lii ListItemInfo) error {
-		itm := qt.NewQTreeWidgetItem()
-		itm.SetText(0, getDisplayName(lii.Name))
-		itm.SetData(0, BinaryDataRole, qt.NewQVariant15(MakeQByteArray(lii.Name)))
-		itm.SetText(1, fmt.Sprintf("%d", lii.DataLen))
-		this.ui.bucketData.AddTopLevelItem(itm)
-		return nil
-	})
-
-	if err != nil {
-		this.alert(fmt.Sprintf("Error listing bucket content: %s", err.Error()))
-		return
-	}
-
-	this.ui.bucketData.ResizeColumnToContents(0)
-	this.on_bucketData_itemSelectionChanged()
-}
-
-func (this *MainWindow) on_actionClear_selection_triggered() {
-	this.ui.bucketTree.SetCurrentItem(nil)
-}
-
-type windowSelection struct {
-	itm    *qt.QTreeWidgetItem
-	top    *qt.QTreeWidgetItem
-	browse []string
-	bdb    *bolt.DB
-}
-
-func (this *MainWindow) getWindowSelection() (windowSelection, bool) {
-
-	itm := this.ui.bucketTree.CurrentItem()
-	if itm == nil {
-		return windowSelection{}, false // No selection
-	}
-
-	return this.getSelection(itm), true
-}
-
-func (this *MainWindow) getSelection(itm *qt.QTreeWidgetItem) windowSelection {
-
-	top := itm
-
-	var browse []string
-	for {
-		if top.Parent() == nil {
-			break
-		} else {
-			browse = append(browse, FromQByteArray(top.Data(0, BinaryDataRole).ToByteArray()))
-			top = top.Parent()
-		}
-	}
-
-	ReverseSlice(browse)
-
-	bdb := GET_BDB(top)
-
-	return windowSelection{itm: itm, top: top, browse: browse, bdb: bdb}
-}
-
-func (this *MainWindow) openEditor(bdb *bolt.DB, saveAs []string, saveAsKey string, currentContent []byte) {
-	iw := NewItemWindowUi()
-
-	iw.contentArea.SetPlainText(string(currentContent))
-	iw.ItemWindow.SetWindowTitle(getDisplayName(saveAsKey))
-	iw.ItemWindow.SetWindowModality(qt.ApplicationModal) // we need this - otherwise we'll refresh a possibly-changed area after saving
-	iw.ItemWindow.OnFinished(func(exitCode int) {
-		if exitCode == int(qt.QDialog__Accepted) {
-
-			err := Bolt_SetItem(bdb, saveAs, saveAsKey, iw.contentArea.ToPlainText())
-			if err != nil {
-				this.alert(fmt.Sprintf("Error saving item content: %s", err.Error()))
-			}
-
-			this.refreshData(bdb, saveAs)
-		}
-		iw.ItemWindow.DeleteLater()
-	})
-
-	iw.ItemWindow.Show()
-}
-
-func (this *MainWindow) on_bucketData_doubleClicked(index *qt.QModelIndex) {
-	ws, ok := this.getWindowSelection()
-	if !ok {
-		return // no selection
-	}
-
-	// Get item key
-
-	model := index.Model()
-	key := FromQByteArray(model.Data2(model.Index(index.Row(), 0), BinaryDataRole).ToByteArray())
-
-	// DB lookup
-	content, err := Bolt_GetItem(ws.bdb, ws.browse, key)
-	if err != nil {
-		this.alert(fmt.Sprintf("Error loading item content: %s", err.Error()))
-		return
-	}
-
-	this.openEditor(ws.bdb, ws.browse, key, []byte(content))
-}
-
-func (this *MainWindow) on_actionAdd_bucket_triggered() {
-	ws, ok := this.getWindowSelection()
-	if !ok {
-		return // no selection
-	}
-
-	// Prompt for bucket name
-
-	name := qt.QInputDialog_GetText(this.Widget(), "New bucket", "Enter a key for the new bucket:")
-	if len(name) == 0 {
-		return
-	}
-
-	// Create
-	err := Bolt_CreateBucket(ws.bdb, ws.browse, name)
-	if err != nil {
-		this.alert(fmt.Sprintf("Error creating bucket: %s", err.Error()))
-		return
-	}
-
-	// Refresh bucket list
-	this.refreshBucketTree(ws.itm) // sub-tree only
-	this.ui.bucketTree.ExpandItem(ws.itm)
-}
-
-func (this *MainWindow) on_actionDelete_bucket_triggered() {
-	ws, ok := this.getWindowSelection()
-	if !ok {
-		return // no selection
-	}
-
-	// Prompt for confirmation
-	bucketToDelete := FromQByteArray(ws.itm.Data(0, BinaryDataRole).ToByteArray())
-	if qt.QMessageBox_Question4(
-		this.Widget(),
-		"Delete bucket",
-		fmt.Sprintf("Are you sure you want to remove the bucket '%s'?", getDisplayName(bucketToDelete)),
-		qt.QMessageBox__Yes,
-		qt.QMessageBox__Cancel,
-	) != int(qt.QMessageBox__Yes) {
-		return
-	}
-
-	parent := ws.itm.Parent()
-
-	// One level down
-
-	if len(ws.browse) > 0 {
-		ws.browse = ws.browse[0 : len(ws.browse)-1]
-	}
-
-	err := Bolt_DeleteBucket(ws.bdb, ws.browse, bucketToDelete)
-	if err != nil {
-		this.alert(fmt.Sprintf("Error removing bucket: %s", err.Error()))
-		return
-	}
-
-	// Refresh bucket list
-	this.refreshBucketTree(parent) // sub-tree only
-	this.ui.bucketTree.ExpandItem(parent)
-	this.ui.bucketTree.SetCurrentItem(parent)
-}
-
-func (this *MainWindow) on_AddDataButton_clicked() {
-	ws, ok := this.getWindowSelection()
-	if !ok {
-		return // no selection
-	}
-
-	// Prompt for bucket name
-
-	name := qt.QInputDialog_GetText(this.Widget(), "New item", "Enter a key for the new item:")
-	if len(name) == 0 {
-		return
-	}
-
-	this.openEditor(ws.bdb, ws.browse, name, []byte(""))
-}
-
-func (this *MainWindow) on_DeleteDataButton_clicked() {
-	ws, ok := this.getWindowSelection()
-	if !ok {
-		return // no selection
-	}
-
-	selection := this.ui.bucketData.SelectedItems()
-	if len(selection) == 0 {
-		return // nothing to do
-	}
-
-	// Prompt for confirmation
-	if qt.QMessageBox_Question4(this.Widget(), "Delete items", fmt.Sprintf("Are you sure you want to remove %d item(s)?", len(selection)), qt.QMessageBox__Yes, qt.QMessageBox__Cancel) != int(qt.QMessageBox__Yes) {
-		return
-	}
-
-	var i int = len(selection)
-	for i > 0 {
-		err := Bolt_DeleteItem(ws.bdb, ws.browse, FromQByteArray(selection[i-1].Data(0, BinaryDataRole).ToByteArray()))
-		if err != nil {
-			this.alert(fmt.Sprintf("Error removing item: %s", err.Error()))
-			return
-		}
-		i -= 1
-	}
-
-	this.refreshData(ws.bdb, ws.browse)
-}
-
-func (this *MainWindow) on_bucketData_itemSelectionChanged() {
-	this.ui.DeleteDataButton.SetEnabled(len(this.ui.bucketData.SelectedItems()) > 0)
-}

mainwindow_ui.go

@@ -1,325 +0,0 @@
-// Generated by miqt-uic. To update this file, edit the .ui file in
-// Qt Designer, and then run 'go generate'.
-//
-//go:generate miqt-uic -InFile mainwindow.ui -OutFile mainwindow_ui.go
-
-package main
-
-import (
-	"github.com/mappu/miqt/qt"
-)
-
-type MainWindowUi struct {
-	MainWindow                       *qt.QMainWindow
-	centralWidget                    *qt.QWidget
-	gridLayout                       *qt.QGridLayout
-	splitter                         *qt.QSplitter
-	bucketTree                       *qt.QTreeWidget
-	stackedWidget                    *qt.QStackedWidget
-	databasePage                     *qt.QWidget
-	gridLayout_4                     *qt.QGridLayout
-	databaseTabWidget                *qt.QTabWidget
-	databasePropertiesTab            *qt.QWidget
-	gridLayout_2                     *qt.QGridLayout
-	databasePropertiesArea           *qt.QPlainTextEdit
-	bucketPage                       *qt.QWidget
-	gridLayout_3                     *qt.QGridLayout
-	bucketTabWidget                  *qt.QTabWidget
-	bucketPropertiesTab              *qt.QWidget
-	gridLayout_5                     *qt.QGridLayout
-	bucketPropertiesArea             *qt.QPlainTextEdit
-	bucketDataTab                    *qt.QWidget
-	gridLayout_6                     *qt.QGridLayout
-	bucketData                       *qt.QTreeWidget
-	AddDataButton                    *qt.QPushButton
-	horizontalSpacer                 *qt.QSpacerItem
-	DeleteDataButton                 *qt.QPushButton
-	menuBar                          *qt.QMenuBar
-	menuFile                         *qt.QMenu
-	menuHelp                         *qt.QMenu
-	menuView                         *qt.QMenu
-	mainToolBar                      *qt.QToolBar
-	statusBar                        *qt.QStatusBar
-	actionAbout_qbolt                *qt.QAction
-	actionAbout_Qt                   *qt.QAction
-	actionOpen_database              *qt.QAction
-	actionExit                       *qt.QAction
-	actionDisconnect                 *qt.QAction
-	actionDelete_bucket              *qt.QAction
-	actionRefresh_buckets            *qt.QAction
-	actionClear_selection            *qt.QAction
-	actionNew_database               *qt.QAction
-	actionAdd_bucket                 *qt.QAction
-	actionOpen_database_as_read_only *qt.QAction
-}
-
-// NewMainWindowUi creates all Qt widget classes for MainWindow.
-func NewMainWindowUi() *MainWindowUi {
-	ui := &MainWindowUi{}
-
-	ui.MainWindow = qt.NewQMainWindow2(nil)
-	ui.MainWindow.SetObjectName("MainWindow")
-	ui.MainWindow.Resize(668, 405)
-	ui.MainWindow.SetWindowTitle("QBolt")
-	icon0 := qt.NewQIcon()
-	icon0.AddFile4(":/rsrc/database_lightning.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.MainWindow.SetWindowIcon(icon0)
-
-	ui.actionAbout_qbolt = qt.NewQAction()
-	ui.actionAbout_qbolt.SetObjectName("actionAbout_qbolt")
-	icon1 := qt.NewQIcon()
-	icon1.AddFile4(":/rsrc/information.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionAbout_qbolt.SetIcon(icon1)
-
-	ui.actionAbout_Qt = qt.NewQAction()
-	ui.actionAbout_Qt.SetObjectName("actionAbout_Qt")
-
-	ui.actionOpen_database = qt.NewQAction()
-	ui.actionOpen_database.SetObjectName("actionOpen_database")
-	icon2 := qt.NewQIcon()
-	icon2.AddFile4(":/rsrc/database.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionOpen_database.SetIcon(icon2)
-
-	ui.actionExit = qt.NewQAction()
-	ui.actionExit.SetObjectName("actionExit")
-	icon3 := qt.NewQIcon()
-	icon3.AddFile4(":/rsrc/door_out.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionExit.SetIcon(icon3)
-
-	ui.actionDisconnect = qt.NewQAction()
-	ui.actionDisconnect.SetObjectName("actionDisconnect")
-	icon4 := qt.NewQIcon()
-	icon4.AddFile4(":/rsrc/disconnect.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionDisconnect.SetIcon(icon4)
-
-	ui.actionDelete_bucket = qt.NewQAction()
-	ui.actionDelete_bucket.SetObjectName("actionDelete_bucket")
-	icon5 := qt.NewQIcon()
-	icon5.AddFile4(":/rsrc/table_delete.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionDelete_bucket.SetIcon(icon5)
-
-	ui.actionRefresh_buckets = qt.NewQAction()
-	ui.actionRefresh_buckets.SetObjectName("actionRefresh_buckets")
-	icon6 := qt.NewQIcon()
-	icon6.AddFile4(":/rsrc/arrow_refresh.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionRefresh_buckets.SetIcon(icon6)
-
-	ui.actionClear_selection = qt.NewQAction()
-	ui.actionClear_selection.SetObjectName("actionClear_selection")
-
-	ui.actionNew_database = qt.NewQAction()
-	ui.actionNew_database.SetObjectName("actionNew_database")
-	icon7 := qt.NewQIcon()
-	icon7.AddFile4(":/rsrc/database_add.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionNew_database.SetIcon(icon7)
-
-	ui.actionAdd_bucket = qt.NewQAction()
-	ui.actionAdd_bucket.SetObjectName("actionAdd_bucket")
-	icon8 := qt.NewQIcon()
-	icon8.AddFile4(":/rsrc/table_add.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.actionAdd_bucket.SetIcon(icon8)
-
-	ui.actionOpen_database_as_read_only = qt.NewQAction()
-	ui.actionOpen_database_as_read_only.SetObjectName("actionOpen_database_as_read_only")
-
-	ui.centralWidget = qt.NewQWidget2(ui.MainWindow.QWidget)
-	ui.centralWidget.SetObjectName("centralWidget")
-
-	ui.gridLayout = qt.NewQGridLayout(ui.centralWidget)
-	ui.gridLayout.SetObjectName("gridLayout")
-	ui.gridLayout.SetContentsMargins(0, 0, 0, 0)
-	ui.gridLayout.SetSpacing(6)
-
-	ui.splitter = qt.NewQSplitter3(ui.centralWidget)
-	ui.splitter.SetObjectName("splitter")
-	ui.splitter.SetOrientation(qt.Horizontal)
-	ui.splitter.SetChildrenCollapsible(false)
-
-	ui.bucketTree = qt.NewQTreeWidget2(ui.splitter.QWidget)
-	ui.bucketTree.SetObjectName("bucketTree")
-	ui.bucketTree.SetContextMenuPolicy(qt.CustomContextMenu)
-	ui.bucketTree.SetUniformRowHeights(true)
-	ui.splitter.AddWidget(ui.bucketTree.QWidget)
-
-	ui.stackedWidget = qt.NewQStackedWidget2(ui.splitter.QWidget)
-	ui.stackedWidget.SetObjectName("stackedWidget")
-
-	ui.databasePage = qt.NewQWidget2(ui.stackedWidget.QWidget)
-	ui.databasePage.SetObjectName("databasePage")
-
-	ui.gridLayout_4 = qt.NewQGridLayout(ui.databasePage)
-	ui.gridLayout_4.SetObjectName("gridLayout_4")
-	ui.gridLayout_4.SetContentsMargins(0, 0, 0, 0)
-	ui.gridLayout_4.SetSpacing(6)
-
-	ui.databaseTabWidget = qt.NewQTabWidget2(ui.databasePage)
-	ui.databaseTabWidget.SetObjectName("databaseTabWidget")
-
-	ui.databasePropertiesTab = qt.NewQWidget2(ui.databaseTabWidget.QWidget)
-	ui.databasePropertiesTab.SetObjectName("databasePropertiesTab")
-
-	ui.gridLayout_2 = qt.NewQGridLayout(ui.databasePropertiesTab)
-	ui.gridLayout_2.SetObjectName("gridLayout_2")
-	ui.gridLayout_2.SetContentsMargins(3, 3, 3, 3)
-	ui.gridLayout_2.SetSpacing(6)
-
-	ui.databasePropertiesArea = qt.NewQPlainTextEdit3(ui.databasePropertiesTab)
-	ui.databasePropertiesArea.SetObjectName("databasePropertiesArea")
-	ui.databasePropertiesArea.SetFrameShape(qt.QFrame__NoFrame)
-	ui.databasePropertiesArea.SetReadOnly(true)
-
-	ui.gridLayout_2.AddWidget2(ui.databasePropertiesArea.QWidget, 0, 0)
-	icon9 := qt.NewQIcon()
-	icon9.AddFile4(":/rsrc/chart_bar.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.databaseTabWidget.AddTab2(ui.databasePropertiesTab, icon9, "")
-
-	ui.gridLayout_4.AddWidget2(ui.databaseTabWidget.QWidget, 0, 0)
-	ui.stackedWidget.AddWidget(ui.databasePage)
-
-	ui.bucketPage = qt.NewQWidget2(ui.stackedWidget.QWidget)
-	ui.bucketPage.SetObjectName("bucketPage")
-
-	ui.gridLayout_3 = qt.NewQGridLayout(ui.bucketPage)
-	ui.gridLayout_3.SetObjectName("gridLayout_3")
-	ui.gridLayout_3.SetContentsMargins(0, 0, 0, 0)
-	ui.gridLayout_3.SetSpacing(6)
-
-	ui.bucketTabWidget = qt.NewQTabWidget2(ui.bucketPage)
-	ui.bucketTabWidget.SetObjectName("bucketTabWidget")
-
-	ui.bucketPropertiesTab = qt.NewQWidget2(ui.bucketTabWidget.QWidget)
-	ui.bucketPropertiesTab.SetObjectName("bucketPropertiesTab")
-
-	ui.gridLayout_5 = qt.NewQGridLayout(ui.bucketPropertiesTab)
-	ui.gridLayout_5.SetObjectName("gridLayout_5")
-	ui.gridLayout_5.SetContentsMargins(3, 3, 3, 3)
-	ui.gridLayout_5.SetSpacing(6)
-
-	ui.bucketPropertiesArea = qt.NewQPlainTextEdit3(ui.bucketPropertiesTab)
-	ui.bucketPropertiesArea.SetObjectName("bucketPropertiesArea")
-	ui.bucketPropertiesArea.SetFrameShape(qt.QFrame__NoFrame)
-	ui.bucketPropertiesArea.SetReadOnly(true)
-
-	ui.gridLayout_5.AddWidget2(ui.bucketPropertiesArea.QWidget, 0, 0)
-	icon10 := qt.NewQIcon()
-	icon10.AddFile4(":/rsrc/chart_bar.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.bucketTabWidget.AddTab2(ui.bucketPropertiesTab, icon10, "")
-
-	ui.bucketDataTab = qt.NewQWidget2(ui.bucketTabWidget.QWidget)
-	ui.bucketDataTab.SetObjectName("bucketDataTab")
-
-	ui.gridLayout_6 = qt.NewQGridLayout(ui.bucketDataTab)
-	ui.gridLayout_6.SetObjectName("gridLayout_6")
-	ui.gridLayout_6.SetContentsMargins(3, 3, 3, 3)
-	ui.gridLayout_6.SetSpacing(6)
-
-	ui.bucketData = qt.NewQTreeWidget2(ui.bucketDataTab)
-	ui.bucketData.SetObjectName("bucketData")
-	ui.bucketData.SetSelectionMode(qt.QAbstractItemView__ExtendedSelection)
-	ui.bucketData.SetIndentation(0)
-	ui.bucketData.SetRootIsDecorated(false)
-	ui.bucketData.SetUniformRowHeights(true)
-	ui.bucketData.SetItemsExpandable(false)
-
-	ui.gridLayout_6.AddWidget3(ui.bucketData.QWidget, 0, 0, 1, 3)
-
-	ui.AddDataButton = qt.NewQPushButton4(ui.bucketDataTab)
-	ui.AddDataButton.SetObjectName("AddDataButton")
-	icon11 := qt.NewQIcon()
-	icon11.AddFile4(":/rsrc/add.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.AddDataButton.SetIcon(icon11)
-
-	ui.gridLayout_6.AddWidget2(ui.AddDataButton.QWidget, 1, 0)
-	/* miqt-uic: no handler for spacer */
-
-	ui.DeleteDataButton = qt.NewQPushButton4(ui.bucketDataTab)
-	ui.DeleteDataButton.SetObjectName("DeleteDataButton")
-	icon12 := qt.NewQIcon()
-	icon12.AddFile4(":/rsrc/delete.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.DeleteDataButton.SetIcon(icon12)
-
-	ui.gridLayout_6.AddWidget2(ui.DeleteDataButton.QWidget, 1, 1)
-	icon13 := qt.NewQIcon()
-	icon13.AddFile4(":/rsrc/table.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.bucketTabWidget.AddTab2(ui.bucketDataTab, icon13, "")
-
-	ui.gridLayout_3.AddWidget2(ui.bucketTabWidget.QWidget, 0, 0)
-	ui.stackedWidget.AddWidget(ui.bucketPage)
-	ui.splitter.AddWidget(ui.stackedWidget.QWidget)
-
-	ui.gridLayout.AddWidget2(ui.splitter.QWidget, 0, 0)
-	ui.MainWindow.SetCentralWidget(ui.centralWidget) // Set central widget
-
-	ui.menuBar = qt.NewQMenuBar2(ui.MainWindow.QWidget)
-	ui.menuBar.SetObjectName("menuBar")
-	ui.menuBar.Resize(668, 29)
-
-	ui.menuFile = qt.NewQMenu3(ui.menuBar.QWidget)
-	ui.menuFile.SetObjectName("menuFile")
-	ui.menuFile.QWidget.AddAction(ui.actionNew_database)
-	ui.menuFile.QWidget.AddAction(ui.actionOpen_database)
-	ui.menuFile.QWidget.AddAction(ui.actionOpen_database_as_read_only)
-	ui.menuFile.AddSeparator()
-	ui.menuFile.QWidget.AddAction(ui.actionExit)
-
-	ui.menuHelp = qt.NewQMenu3(ui.menuBar.QWidget)
-	ui.menuHelp.SetObjectName("menuHelp")
-	ui.menuHelp.QWidget.AddAction(ui.actionAbout_qbolt)
-	ui.menuHelp.QWidget.AddAction(ui.actionAbout_Qt)
-
-	ui.menuView = qt.NewQMenu3(ui.menuBar.QWidget)
-	ui.menuView.SetObjectName("menuView")
-	ui.menuView.QWidget.AddAction(ui.actionClear_selection)
-	ui.menuBar.AddMenu(ui.menuFile)
-	ui.menuBar.AddMenu(ui.menuView)
-	ui.menuBar.AddMenu(ui.menuHelp)
-	ui.MainWindow.SetMenuBar(ui.menuBar)
-
-	ui.mainToolBar = qt.NewQToolBar4(ui.MainWindow.QWidget)
-	ui.mainToolBar.SetObjectName("mainToolBar")
-	ui.MainWindow.AddToolBar(qt.TopToolBarArea, ui.mainToolBar)
-	/* miqt-uic: no handler for mainToolBar attribute 'toolBarBreak' */
-	ui.mainToolBar.QWidget.AddAction(ui.actionNew_database)
-	ui.mainToolBar.QWidget.AddAction(ui.actionOpen_database)
-	ui.mainToolBar.AddSeparator()
-
-	ui.statusBar = qt.NewQStatusBar2(ui.MainWindow.QWidget)
-	ui.statusBar.SetObjectName("statusBar")
-	ui.MainWindow.SetStatusBar(ui.statusBar)
-
-	ui.Retranslate()
-
-	ui.stackedWidget.SetCurrentIndex(0)
-	ui.databaseTabWidget.SetCurrentIndex(0)
-	ui.bucketTabWidget.SetCurrentIndex(0)
-
-	return ui
-}
-
-// Retranslate reapplies all text translations.
-func (ui *MainWindowUi) Retranslate() {
-	ui.actionAbout_qbolt.SetText(qt.QMainWindow_Tr("&About QBolt"))
-	ui.actionAbout_Qt.SetText(qt.QMainWindow_Tr("About &Qt"))
-	ui.actionOpen_database.SetText(qt.QMainWindow_Tr("&Open database..."))
-	ui.actionOpen_database.SetShortcut(qt.NewQKeySequence2(qt.QMainWindow_Tr("Ctrl+O")))
-	ui.actionExit.SetText(qt.QMainWindow_Tr("&Exit"))
-	ui.actionDisconnect.SetText(qt.QMainWindow_Tr("Disconnect"))
-	ui.actionDelete_bucket.SetText(qt.QMainWindow_Tr("Delete bucket"))
-	ui.actionRefresh_buckets.SetText(qt.QMainWindow_Tr("Refresh buckets"))
-	ui.actionClear_selection.SetText(qt.QMainWindow_Tr("&Clear selection"))
-	ui.actionNew_database.SetText(qt.QMainWindow_Tr("&New database..."))
-	ui.actionAdd_bucket.SetText(qt.QMainWindow_Tr("Add bucket..."))
-	ui.actionOpen_database_as_read_only.SetText(qt.QMainWindow_Tr("Open database as read-only..."))
-	ui.bucketTree.HeaderItem().SetText(0, qt.QTreeWidget_Tr("Bucket"))
-	ui.databaseTabWidget.SetTabText(ui.databaseTabWidget.IndexOf(ui.databasePropertiesTab), qt.QTabWidget_Tr("Database"))
-	ui.databasePropertiesArea.SetPlainText(qt.QWidget_Tr("No selection"))
-	ui.bucketTabWidget.SetTabText(ui.bucketTabWidget.IndexOf(ui.bucketPropertiesTab), qt.QTabWidget_Tr("Bucket"))
-	ui.bucketTabWidget.SetTabText(ui.bucketTabWidget.IndexOf(ui.bucketDataTab), qt.QTabWidget_Tr("Data"))
-	ui.bucketData.HeaderItem().SetText(0, qt.QTreeWidget_Tr("Key"))
-	ui.bucketData.HeaderItem().SetText(1, qt.QTreeWidget_Tr("Data length"))
-	ui.AddDataButton.SetText(qt.QWidget_Tr("Add..."))
-	ui.DeleteDataButton.SetText(qt.QWidget_Tr("Delete..."))
-	ui.menuFile.SetTitle(qt.QMenuBar_Tr("&File"))
-	ui.menuHelp.SetTitle(qt.QMenuBar_Tr("Help"))
-	ui.menuView.SetTitle(qt.QMenuBar_Tr("&View"))
-}

qbolt/boltdb.cpp

@@ -0,0 +1,219 @@
+#include "boltdb.h"
+
+#include <QtEndian>
+
+BoltDB::BoltDB()
+{
+
+}
+
+BoltDB* BoltDB::createFrom(QString filePath, bool readOnly, QString &errorOut)
+{
+    QByteArray filePathBytes(filePath.toUtf8());
+    GoString filePathGS = Interop::toGoString_WeakRef(&filePathBytes);
+
+    auto open_ret = ::Bolt_Open(readOnly, filePathGS);
+    if (open_ret.r2 != 0) {
+        errorOut = QString::fromUtf8(open_ret.r1, open_ret.r2);
+        free(open_ret.r1);
+        return nullptr;
+    }
+
+    BoltDB *ret = new BoltDB();
+    ret->gmsDbRef = open_ret.r0;
+    return ret;
+}
+
+static const int ERROR_AND_STOP_CALLING = 100;
+static const int ERROR_AND_KEEP_CALLING = 101;
+static const int FINISHED_OK            = 102;
+static const int REAL_MESSAGE           = 103;
+
+static bool handleTriple(int r0, char* r1, int64_t r2, QString& errorOut) {
+    if (r0 == ERROR_AND_STOP_CALLING) {
+        errorOut = QString::fromUtf8(r1, r2);
+        free(r1);
+        return false;
+
+    } else if (r0 == FINISHED_OK) {
+        return true;
+
+    } else {
+        // ?? unreachable
+        return false;
+
+    }
+}
+
+bool BoltDB::addBucket(const QList<QByteArray>& bucketPath, QByteArray bucketName, QString& errorOut)
+{
+    GoSliceManagedWrapper browse(bucketPath);
+    GoString bucketNameGS = Interop::toGoString_WeakRef(&bucketName);
+    auto resp = ::Bolt_CreateBucket(this->gmsDbRef, browse.slice, bucketNameGS);
+
+    return handleTriple(resp.r0, resp.r1, resp.r2, errorOut);
+}
+
+bool BoltDB::deleteBucket(const QList<QByteArray>& bucketPath, QByteArray bucketName, QString& errorOut)
+{
+    GoSliceManagedWrapper browse(bucketPath);
+    GoString bucketNameGS = Interop::toGoString_WeakRef(&bucketName);
+    auto resp = ::Bolt_DeleteBucket(this->gmsDbRef, browse.slice, bucketNameGS);
+
+    return handleTriple(resp.r0, resp.r1, resp.r2, errorOut);
+}
+
+bool BoltDB::setItem(const QList<QByteArray>& bucketPath, QByteArray keyName, QByteArray value, QString& errorOut)
+{
+    GoSliceManagedWrapper browse(bucketPath);
+    GoString keyNameGS = Interop::toGoString_WeakRef(&keyName);
+    GoString valueGS = Interop::toGoString_WeakRef(&value);
+    auto resp = ::Bolt_SetItem(this->gmsDbRef, browse.slice, keyNameGS, valueGS);
+
+    return handleTriple(resp.r0, resp.r1, resp.r2, errorOut);
+}
+
+bool BoltDB::deleteItem(const QList<QByteArray>& bucketPath, QByteArray keyName, QString& errorOut)
+{
+    GoSliceManagedWrapper browse(bucketPath);
+    GoString keyNameGS = Interop::toGoString_WeakRef(&keyName);
+    auto resp = ::Bolt_DeleteItem(this->gmsDbRef, browse.slice, keyNameGS);
+
+    return handleTriple(resp.r0, resp.r1, resp.r2, errorOut);
+}
+
+
+bool BoltDB::listBucketsAtRoot(QString& errorOut, NameReciever cb)
+{
+    auto listJob = ::Bolt_ListBucketsAtRoot(this->gmsDbRef);
+    return pumpNext(listJob, errorOut, cb);
+}
+
+bool BoltDB::listBuckets(const QList<QByteArray>& bucketPath, QString& errorOut, NameReciever cb)
+{
+    if (bucketPath.size() == 0) {
+        return listBucketsAtRoot(errorOut, cb);
+    }
+
+    GoSliceManagedWrapper browse(bucketPath);
+    auto listJob = ::Bolt_ListBuckets(this->gmsDbRef, browse.slice);
+    return pumpNext(listJob, errorOut, cb);
+}
+
+bool BoltDB::listKeys(const QList<QByteArray>& bucketPath, QString& errorOut, std::function<void(QByteArray, int64_t)> cb)
+{
+    GoSliceManagedWrapper browse(bucketPath);
+    auto listJob = ::Bolt_ListItems(this->gmsDbRef, browse.slice);
+    return pumpNext(listJob, errorOut, [=](QByteArray b) {
+        // First 8 bytes are little-endian uint64 len
+        int64_t dataLen = qFromLittleEndian<qint64>(b.mid(0, 8));
+        cb(b.mid(8), dataLen);
+    });
+}
+
+bool BoltDB::getData(const QList<QByteArray>& bucketPath, QByteArray key, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError)
+{
+    GoSliceManagedWrapper browse(bucketPath);
+    GoString keyGS = Interop::toGoString_WeakRef(&key);
+    auto resp = ::Bolt_GetItem(this->gmsDbRef, browse.slice, keyGS);
+
+    if (resp.r0 == ERROR_AND_STOP_CALLING) {
+        onError(QString::fromUtf8(resp.r1, resp.r2));
+        free(resp.r1);
+        return false;
+
+    } else if (resp.r0 == REAL_MESSAGE) {
+        onSuccess(QByteArray(resp.r1, resp.r2));
+        free(resp.r1);
+        return true;
+
+    } else {
+        // ?? unreachable
+        return false;
+
+    }
+}
+
+bool BoltDB::pumpNext(GoInt64 jobRef, QString& errorOut, NameReciever cb)
+{
+    errorOut.clear();
+
+    for(;;) {
+        auto gnr = ::GetNext(jobRef);
+
+        if (gnr.r0 == ERROR_AND_STOP_CALLING) {
+            errorOut.append(QString::fromUtf8(gnr.r1, gnr.r2)); // log error
+            free(gnr.r1);
+            break; // done
+
+        } else if (gnr.r0 == ERROR_AND_KEEP_CALLING) {
+            errorOut.append(QString::fromUtf8(gnr.r1, gnr.r2)); // log error
+            free(gnr.r1);
+            continue;
+
+        } else if (gnr.r0 == FINISHED_OK) {
+            // Once we hit this, the go-side will clean up the channel / associated goroutines
+            break;
+
+        } else if (gnr.r0 == REAL_MESSAGE) {
+            cb(QByteArray(gnr.r1, gnr.r2));
+            free(gnr.r1);
+            continue;
+        }
+    }
+
+    return (errorOut.length() == 0);
+}
+
+bool BoltDB::getStatsJSON(std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError)
+{
+    auto statresp = Bolt_DBStats(this->gmsDbRef);
+
+    if (statresp.r0 == ERROR_AND_STOP_CALLING) {
+        onError(QString::fromUtf8(statresp.r1, statresp.r2));
+        free(statresp.r1);
+        return false;
+
+    } else if (statresp.r0 == REAL_MESSAGE) {
+        onSuccess(QByteArray(statresp.r1, statresp.r2));
+        free(statresp.r1);
+        return true;
+
+    } else {
+        // ?? shouldn't be reachable
+        return false;
+    }
+}
+
+bool BoltDB::getBucketStatsJSON(const QList<QByteArray>& bucketPath, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError)
+{
+    GoSliceManagedWrapper sliceWrapper(bucketPath);
+    auto statresp = Bolt_BucketStats(this->gmsDbRef, sliceWrapper.slice);
+
+    if (statresp.r0 == ERROR_AND_STOP_CALLING) {
+        QString err = QString::fromUtf8(statresp.r1, statresp.r2);
+        free(statresp.r1);
+        onError(err);
+        return false;
+
+    } else if (statresp.r0 == REAL_MESSAGE) {
+        onSuccess(QByteArray(statresp.r1, statresp.r2));
+        free(statresp.r1);
+        return true;
+
+    } else {
+        // ?? shouldn't be reachable
+        return false;
+    }
+}
+
+BoltDB::~BoltDB()
+{
+    auto err = ::Bolt_Close(this->gmsDbRef);
+    if (err.r1 != 0) {
+        // Error closing database!
+        // Need to display an alert... somewhere
+
+        free(err.r0);
+    }
+}

qbolt/boltdb.h

@@ -0,0 +1,46 @@
+#ifndef BOLTDB_H
+#define BOLTDB_H
+
+#include "interop.h"
+#include <functional>
+
+typedef std::function<void(QByteArray)> NameReciever;
+
+class BoltDB
+{
+protected:
+    BoltDB();
+
+    GoInt64 gmsDbRef;
+
+public:
+    static BoltDB* createFrom(QString filePath, bool readOnly, QString &errorOut);
+
+    bool listBucketsAtRoot(QString& errorOut, NameReciever cb);
+
+    bool listBuckets(const QList<QByteArray>& bucketPath, QString& errorOut, NameReciever cb);
+
+    bool addBucket(const QList<QByteArray>& bucketPath, QByteArray bucketName, QString& errorOut);
+
+    bool deleteBucket(const QList<QByteArray>& bucketPath, QByteArray bucketName, QString& errorOut);
+
+    bool setItem(const QList<QByteArray>& bucketPath, QByteArray keyName, QByteArray value, QString& errorOut);
+
+    bool deleteItem(const QList<QByteArray>& bucketPath, QByteArray keyName, QString& errorOut);
+
+    bool listKeys(const QList<QByteArray>& bucketPath, QString& errorOut, std::function<void(QByteArray, int64_t)> cb);
+
+    bool getData(const QList<QByteArray>& bucketPath, QByteArray key, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);
+
+    bool getStatsJSON(std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);
+
+    bool getBucketStatsJSON(const QList<QByteArray>& bucketPath, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);
+
+    ~BoltDB();
+
+protected:
+
+    bool pumpNext(GoInt64 jobRef, QString& errorOut, NameReciever cb);
+};
+
+#endif // BOLTDB_H

qbolt/interop.cpp

@@ -0,0 +1,42 @@
+#include "interop.h"
+
+#include <QStringList>
+
+Interop::Interop()
+{
+
+}
+
+GoString Interop::toGoString_WeakRef(QByteArray *qba) {
+    return GoString{qba->data(), qba->length()};
+}
+
+int64_t Interop::GetMagic() {
+    return ::GetMagic();
+}
+
+//
+
+GoSliceManagedWrapper::GoSliceManagedWrapper(const QList<QByteArray>& qsl) :
+    rawStrings(),
+    slice(),
+    strings(nullptr)
+{
+    rawStrings.reserve(qsl.size());
+    strings = new GoString[qsl.size()];
+
+    for (int i = 0; i < qsl.size(); ++i) {
+        rawStrings.push_back( qsl.at(i) );
+        strings[i].p = rawStrings[i].data();
+        strings[i].n = rawStrings[i].size();
+    }
+
+    slice.data = static_cast<void*>(strings);
+    slice.len  = qsl.size(); //  * sizeof(GoString);
+    slice.cap  = slice.len;
+}
+
+GoSliceManagedWrapper::~GoSliceManagedWrapper()
+{
+    delete[] strings;
+}

qbolt/interop.h

@@ -0,0 +1,31 @@
+#ifndef INTEROP_H
+#define INTEROP_H
+
+#include "qbolt_cgo.h"
+#include <QString>
+#include <QList>
+
+class GoSliceManagedWrapper {
+    Q_DISABLE_COPY(GoSliceManagedWrapper)
+
+public:
+    GoSliceManagedWrapper(const QList<QByteArray>& qsl);
+    ~GoSliceManagedWrapper();
+protected:
+    QList<QByteArray> rawStrings;
+public:
+    GoSlice slice;
+    GoString *strings;
+};
+
+class Interop
+{
+public:
+    Interop();
+
+    static GoString toGoString_WeakRef(QByteArray *qba);
+
+    static int64_t GetMagic();
+};
+
+#endif // INTEROP_H

qbolt/itemwindow.cpp

@@ -0,0 +1,18 @@
+#include "itemwindow.h"
+#include "ui_itemwindow.h"
+
+ItemWindow::ItemWindow(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::ItemWindow)
+{
+    ui->setupUi(this);
+}
+
+ItemWindow::~ItemWindow()
+{
+    delete ui;
+}
+
+QPlainTextEdit* ItemWindow::ContentArea() const {
+    return ui->contentArea;
+}

qbolt/itemwindow.h

@@ -0,0 +1,25 @@
+#ifndef ITEMWINDOW_H
+#define ITEMWINDOW_H
+
+#include <QDialog>
+#include <QPlainTextEdit>
+
+namespace Ui {
+class ItemWindow;
+}
+
+class ItemWindow : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit ItemWindow(QWidget *parent = 0);
+    ~ItemWindow();
+
+    QPlainTextEdit* ContentArea() const;
+
+private:
+    Ui::ItemWindow *ui;
+};
+
+#endif // ITEMWINDOW_H

qbolt/itemwindow.ui

@@ -42,6 +42,12 @@
    </item>
    <item row="1" column="0">
     <widget class="QFrame" name="frame">
+     <property name="frameShape">
+      <enum>QFrame::StyledPanel</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Raised</enum>
+     </property>
      <layout class="QGridLayout" name="gridLayout">
       <item row="0" column="0">
        <widget class="QDialogButtonBox" name="buttonBox">

qbolt/main.cpp

@@ -0,0 +1,23 @@
+#include "mainwindow.h"
+#include <QApplication>
+#include "interop.h"
+
+#include <QDebug>
+
+int main(int argc, char *argv[])
+{
+    int64_t magic = Interop::GetMagic();
+    if (magic != 0x10203040) {
+        qDebug() << "bad magic " << magic;
+        return 1;
+    }
+
+    QApplication a(argc, argv);
+    QApplication::setApplicationDisplayName("QBolt");
+    QApplication::setWindowIcon(QIcon(":/rsrc/database_lightning.png"));
+
+    MainWindow w;
+    w.show();
+
+    return a.exec();
+}

qbolt/mainwindow.cpp

@@ -0,0 +1,478 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include "itemwindow.h"
+#include "boltdb.h"
+
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QJsonDocument>
+#include <QInputDialog>
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+
+    on_bucketTree_currentItemChanged(nullptr, nullptr);
+
+    databaseContext = new QMenu();
+    databaseContext->addAction(ui->actionRefresh_buckets);
+    databaseContext->addAction(ui->actionAdd_bucket);
+    databaseContext->addSeparator();
+    databaseContext->addAction(ui->actionDisconnect);
+
+    bucketContext = new QMenu();
+    bucketContext->addAction(ui->actionRefresh_buckets);
+    bucketContext->addAction(ui->actionAdd_bucket);
+    bucketContext->addSeparator();
+    bucketContext->addAction(ui->actionDelete_bucket);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+static const int BdbPointerRole = Qt::UserRole + 1;
+static const int BinaryDataRole = Qt::UserRole + 2;
+
+#define SET_BDB(top, bdb) top->setData(0, BdbPointerRole, QVariant::fromValue<void*>(static_cast<void*>(bdb)))
+#define GET_BDB(top) static_cast<BoltDB*>( top->data(0, BdbPointerRole).value<void*>() )
+
+void MainWindow::on_actionNew_database_triggered()
+{
+    QString file = QFileDialog::getSaveFileName(this, tr("Save new bolt database as..."));
+    if (file.length()) {
+        openDatabase(file, false);
+    }
+}
+
+void MainWindow::on_actionOpen_database_triggered()
+{
+    QString file = QFileDialog::getOpenFileName(this, tr("Select bolt database..."));
+    if (file.length()) {
+        openDatabase(file, false);
+    }
+}
+
+void MainWindow::on_actionOpen_database_as_read_only_triggered()
+{
+    QString file = QFileDialog::getOpenFileName(this, tr("Select bolt database..."));
+    if (file.length()) {
+        openDatabase(file, true);
+    }
+}
+
+void MainWindow::openDatabase(QString file, bool readOnly)
+{
+    // Open
+    QString error;
+    auto *bdb = BoltDB::createFrom(file, readOnly, error);
+    if (bdb == nullptr) {
+        QMessageBox qmb;
+        qmb.setText(tr("Error opening database: %1").arg(error));
+        qmb.exec();
+        return;
+    }
+
+    QTreeWidgetItem *top = new QTreeWidgetItem();
+    top->setText(0, QFileInfo(file).fileName());
+    top->setIcon(0, QIcon(":/rsrc/database.png"));
+    SET_BDB(top, bdb);
+    ui->bucketTree->addTopLevelItem(top);
+
+    refreshBucketTree(top);
+    ui->bucketTree->setCurrentItem(top);
+
+    ui->bucketTree->expandItem(top);
+}
+
+static const QString getDisplayName(const QByteArray &qba) {
+    // FIXME the formatting isn't so great when control characters, etc. are used
+    // A C-style escape display, or the unicode-replacement-character would be preferable
+    QString ret(QString::fromUtf8(qba));
+
+    bool allPrintable = true;
+    for (auto i = ret.begin(), e = ret.end(); i != e; ++i) {
+        if (! i->isPrint()) {
+            allPrintable = false;
+            break;
+        }
+    }
+
+    if (allPrintable) {
+        return ret; // fine
+    }
+
+    // Some of the characters weren't printable.
+    // Build up a replacement string
+    QString replacement;
+    for (auto i = ret.begin(), e = ret.end(); i != e; ++i) {
+        replacement += i->isPrint() ? *i : QStringLiteral("\\u{%1}").arg(i->unicode());
+    }
+    return replacement;
+}
+
+void MainWindow::refreshBucketTree(QTreeWidgetItem* itm)
+{
+    QTreeWidgetItem *top = itm;
+    QList<QByteArray> browsePath;
+    while(top->parent() != nullptr) {
+        browsePath.push_front(top->data(0, BinaryDataRole).toByteArray());
+        top = top->parent();
+    }
+
+    // Remove existing children
+    for (int i = itm->childCount(); i --> 0;) {
+        delete itm->takeChild(i);
+    }
+
+    auto *bdb = GET_BDB(top);
+
+    QString error;
+    bool ok = bdb->listBuckets(
+        browsePath,
+        error,
+        [=](QByteArray qba){
+            QTreeWidgetItem *child = new QTreeWidgetItem();
+            child->setText(0, getDisplayName(qba));
+            child->setData(0, BinaryDataRole, qba);
+            child->setIcon(0, QIcon(":/rsrc/table.png"));
+            itm->addChild(child);
+
+            refreshBucketTree(child);
+        }
+    );
+
+    if (!ok) {
+        QMessageBox qmb;
+        qmb.setText(tr("Error listing buckets: %1").arg(error));
+        qmb.exec();
+        // (continue)
+    }
+}
+
+void MainWindow::on_actionExit_triggered()
+{
+    close();
+}
+
+void MainWindow::on_actionAbout_Qt_triggered()
+{
+    QApplication::aboutQt();
+}
+
+void MainWindow::on_actionAbout_qbolt_triggered()
+{
+    QMessageBox::about(
+        this,
+        QApplication::applicationDisplayName(),
+        "<b>QBolt</b><br>Graphical interface for managing Bolt databases<br><br>"
+        "- <a href='https://github.com/boltdb/bolt'>About BoltDB</a><br>"
+        "- <a href='http://www.famfamfam.com/lab/icons/silk/'>FamFamFam &quot;Silk&quot; icon set</a><br>"
+        "- <a href='https://code.ivysaur.me/qbolt'>QBolt homepage</a><br>"
+    );
+}
+
+void MainWindow::on_actionDisconnect_triggered()
+{
+    QTreeWidgetItem *top = lastContextSelection;
+    if (top->parent()) {
+        return; // somehow we didn't select a top-level item
+    }
+
+    auto *bdb = GET_BDB(top);
+
+    // Remove UI
+    ui->bucketTree->clearSelection();
+    delete top;
+
+    // Disconnect from DB
+    delete bdb;
+}
+
+void MainWindow::on_bucketTree_customContextMenuRequested(const QPoint &pos)
+{
+    auto *itm = ui->bucketTree->itemAt(pos);
+    if (itm == nullptr) {
+        return;
+    }
+
+    lastContextSelection = itm;
+
+    if (itm->parent() != nullptr) {
+        // Child item, show the bucket menu
+        bucketContext->popup(ui->bucketTree->mapToGlobal(pos));
+
+    } else {
+        // Top-level item, show the database menu
+        databaseContext->popup(ui->bucketTree->mapToGlobal(pos));
+    }
+}
+
+void MainWindow::on_actionRefresh_buckets_triggered()
+{
+    refreshBucketTree(lastContextSelection);
+}
+
+void MainWindow::on_bucketTree_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
+{
+    Q_UNUSED(previous);
+    if (current == nullptr) {
+        ui->stackedWidget->setVisible(false);
+        return;
+    }
+
+    ui->stackedWidget->setVisible(true);
+
+    if (current->parent() == nullptr) {
+        // Selected a database
+        ui->stackedWidget->setCurrentWidget(ui->databasePage);
+        ui->databasePropertiesArea->clear();
+
+        auto *bdb = GET_BDB(current);
+        bdb->getStatsJSON(
+            [=](QByteArray j) {
+                auto doc = QJsonDocument::fromJson(j);
+                ui->databasePropertiesArea->setPlainText(QString::fromUtf8(doc.toJson(QJsonDocument::Indented)));
+            },
+            [=](QString error) {
+                ui->databasePropertiesArea->setPlainText(tr("Error retrieving database statistics: %1").arg(error));
+            }
+        );
+
+        // Clean up foreign areas
+        ui->bucketPropertiesArea->clear();
+        ui->bucketData->clear();
+
+    } else {
+        // Selected a bucket
+
+        ui->stackedWidget->setCurrentWidget(ui->bucketPage);
+        ui->bucketPropertiesArea->clear();
+
+        QList<QByteArray> browse;
+        QTreeWidgetItem *top = current;
+        while (top->parent() != nullptr) {
+            browse.push_front(top->data(0, BinaryDataRole).toByteArray());
+            top = top->parent();
+        }
+        auto *bdb = GET_BDB(top);
+
+        bdb->getBucketStatsJSON(
+            browse,
+            [=](QByteArray j) {
+                auto doc = QJsonDocument::fromJson(j);
+                ui->bucketPropertiesArea->setPlainText(QString::fromUtf8(doc.toJson(QJsonDocument::Indented)));
+            },
+            [=](QString error) {
+                ui->bucketPropertiesArea->setPlainText(tr("Error retrieving bucket statistics: %1").arg(error));
+            }
+        );
+
+        // Load the data tab
+        refreshData(bdb, browse);
+
+        // Clean up foreign areas
+        ui->databasePropertiesArea->clear();
+    }
+}
+
+void MainWindow::refreshData(BoltDB *bdb, const QList<QByteArray>& browse)
+{
+    // Load the data tab
+    ui->bucketData->clear();
+    QString err;
+    bool ok = bdb->listKeys(browse, err, [=](QByteArray name, int64_t dataLen) {
+        auto *itm = new QTreeWidgetItem();
+        itm->setText(0, getDisplayName(name));
+        itm->setData(0, BinaryDataRole, name);
+        itm->setText(1, QString("%1").arg(dataLen));
+        ui->bucketData->addTopLevelItem(itm);
+    });
+
+    if (! ok) {
+        QMessageBox qmb;
+        qmb.setText(tr("Error listing bucket content: %1").arg(err));
+        qmb.exec();
+    }
+
+    ui->bucketData->resizeColumnToContents(0);
+    on_bucketData_itemSelectionChanged();
+}
+
+void MainWindow::on_actionClear_selection_triggered()
+{
+    ui->bucketTree->setCurrentItem(nullptr);
+}
+
+#define GET_ITM_TOP_BROWSE_BDB \
+    QTreeWidgetItem* itm = ui->bucketTree->currentItem(); \
+    if (itm == nullptr) { \
+        return; \
+    } \
+    QTreeWidgetItem* top = itm; \
+    QList<QByteArray> browse; \
+    while(top->parent() != nullptr) { \
+        browse.push_front(top->data(0, BinaryDataRole).toByteArray()); \
+        top = top->parent(); \
+    } \
+    auto *bdb = GET_BDB(top);
+
+void MainWindow::openEditor(BoltDB *bdb, const QList<QByteArray>& saveAs, QByteArray saveAsKey, QByteArray currentContent)
+{
+    auto iw = new ItemWindow();
+    iw->ContentArea()->setPlainText(QString::fromUtf8(currentContent));
+    iw->setWindowTitle(QString::fromUtf8(saveAsKey));
+    iw->setWindowModality(Qt::ApplicationModal); // we need this - otherwise we'll refresh a possibly-changed area after saving
+    connect(iw, &ItemWindow::finished, iw, [=](int exitCode){
+        if (exitCode == ItemWindow::Accepted) {
+            QString err;
+            if (! bdb->setItem(saveAs, saveAsKey, iw->ContentArea()->toPlainText().toUtf8(), err)) {
+                QMessageBox qmb;
+                qmb.setText(tr("Error saving item content: %1").arg(err));
+                qmb.exec();
+            }
+
+            refreshData(bdb, saveAs);
+        }
+        iw->deleteLater();
+    });
+
+    iw->show();
+}
+
+void MainWindow::on_bucketData_doubleClicked(const QModelIndex &index)
+{
+    GET_ITM_TOP_BROWSE_BDB;
+
+    // Get item key
+
+    auto model = index.model();
+    const QByteArray& key = model->data(model->index(index.row(), 0), BinaryDataRole).toByteArray();
+
+    // DB lookup
+
+    bdb->getData(
+        browse,
+        key,
+        [=](QByteArray content) {
+            openEditor(bdb, browse, key, content);
+        },
+        [=](QString error) {
+            QMessageBox qmb;
+            qmb.setText(tr("Error loading item content: %1").arg(error));
+            qmb.exec();
+        }
+    );
+
+}
+
+void MainWindow::on_actionAdd_bucket_triggered()
+{
+    GET_ITM_TOP_BROWSE_BDB;
+
+    // Prompt for bucket name
+
+    QString name = QInputDialog::getText(this, tr("New bucket"), tr("Enter a key for the new bucket:"));
+    if (name.length() == 0) {
+        return;
+    }
+
+    // Create
+    QString err;
+    if (! bdb->addBucket(browse, name.toUtf8(), err)) {
+        QMessageBox qmb;
+        qmb.setText(tr("Error creating bucket: %1").arg(err));
+        qmb.exec();
+        return;
+    }
+
+    // Refresh bucket list
+    refreshBucketTree(itm); // sub-tree only
+    ui->bucketTree->expandItem(itm);
+}
+
+void MainWindow::on_actionDelete_bucket_triggered()
+{
+    GET_ITM_TOP_BROWSE_BDB;
+
+    // Prompt for confirmation
+    const QByteArray& bucketToDelete = itm->data(0, BinaryDataRole).toByteArray();
+    if (
+        QMessageBox::question(
+            this,
+            tr("Delete bucket"),
+            tr("Are you sure you want to remove the bucket '%1'?").arg(getDisplayName(bucketToDelete)),
+            QMessageBox::Yes,
+            QMessageBox::Cancel
+        ) != QMessageBox::Yes
+    ) {
+        return;
+    }
+
+    QTreeWidgetItem* parent = itm->parent();
+
+    // One level down
+
+    browse.pop_back();
+
+    QString err;
+    if (! bdb->deleteBucket(browse, bucketToDelete, err)) {
+        QMessageBox qmb;
+        qmb.setText(tr("Error removing bucket: %1").arg(err));
+        qmb.exec();
+        return;
+    }
+
+    // Refresh bucket list
+    refreshBucketTree(parent); // sub-tree only
+    ui->bucketTree->expandItem(parent);
+    ui->bucketTree->setCurrentItem(parent);
+}
+
+void MainWindow::on_AddDataButton_clicked()
+{
+    GET_ITM_TOP_BROWSE_BDB;
+
+    // Prompt for bucket name
+
+    QString name = QInputDialog::getText(this, tr("New item"), tr("Enter a key for the new item:"));
+    if (name.length() == 0) {
+        return;
+    }
+
+    openEditor(bdb, browse, name.toUtf8(), QByteArray());
+}
+
+void MainWindow::on_DeleteDataButton_clicked()
+{
+    GET_ITM_TOP_BROWSE_BDB;
+
+    auto selection = ui->bucketData->selectedItems();
+    if (selection.length() == 0) {
+        return; // nothing to do
+    }
+
+    // Prompt for confirmation
+    if (QMessageBox::question(this, tr("Delete items"), tr("Are you sure you want to remove %1 item(s)?").arg(selection.length()), QMessageBox::Yes, QMessageBox::Cancel) != QMessageBox::Yes) {
+        return;
+    }
+
+    QString err;
+    for (int i = selection.length(); i-->0;) {
+        if (! bdb->deleteItem(browse, selection[i]->data(0, BinaryDataRole).toByteArray(), err)) {
+            QMessageBox qmb;
+            qmb.setText(tr("Error removing item: %1").arg(err));
+            qmb.exec();
+        }
+    }
+
+    refreshData(bdb, browse);
+}
+
+void MainWindow::on_bucketData_itemSelectionChanged()
+{
+    ui->DeleteDataButton->setEnabled( (ui->bucketData->selectedItems().size() > 0) );
+}

qbolt/mainwindow.h

@@ -0,0 +1,70 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include "boltdb.h"
+#include <QMainWindow>
+#include <QMenu>
+#include <QTreeWidgetItem>
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+
+private slots:
+    void on_actionOpen_database_triggered();
+
+    void on_actionExit_triggered();
+
+    void on_actionAbout_Qt_triggered();
+
+    void on_actionAbout_qbolt_triggered();
+
+    void on_actionDisconnect_triggered();
+
+    void on_bucketTree_customContextMenuRequested(const QPoint &pos);
+
+    void on_actionRefresh_buckets_triggered();
+
+    void on_bucketTree_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
+
+    void on_actionClear_selection_triggered();
+
+    void on_bucketData_doubleClicked(const QModelIndex &index);
+
+    void on_actionNew_database_triggered();
+
+    void on_actionAdd_bucket_triggered();
+
+    void on_actionDelete_bucket_triggered();
+
+    void on_AddDataButton_clicked();
+
+    void on_DeleteDataButton_clicked();
+
+    void on_bucketData_itemSelectionChanged();
+
+    void on_actionOpen_database_as_read_only_triggered();
+
+protected:
+    void openDatabase(QString file, bool readOnly);
+    void refreshBucketTree(QTreeWidgetItem* top);
+    void refreshData(BoltDB *bdb, const QList<QByteArray>& browse);
+    void openEditor(BoltDB *bdb, const QList<QByteArray>& saveAs, QByteArray saveAsKey, QByteArray currentContent);
+
+private:
+    Ui::MainWindow *ui;
+
+    QMenu *databaseContext;
+    QMenu *bucketContext;
+    QTreeWidgetItem* lastContextSelection;
+};
+
+#endif // MAINWINDOW_H

qbolt/mainwindow.ui

@@ -269,12 +269,12 @@
      <x>0</x>
      <y>0</y>
      <width>668</width>
-     <height>29</height>
+     <height>21</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
     <property name="title">
-     <string>&amp;File</string>
+     <string>Fi&amp;le</string>
     </property>
     <addaction name="actionNew_database"/>
     <addaction name="actionOpen_database"/>

qbolt/qbolt.pro

@@ -0,0 +1,47 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2017-05-15T19:38:33
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = qbolt
+TEMPLATE = app
+
+# Enforce Qt deprecations
+DEFINES += QT_DEPRECATED_WARNINGS
+DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000
+
+win32: {
+    # for some reason, qbolt_cgo.h never realises that Q_OS_WIN is defined for win32 builds... weird
+    DEFINES += CGO_WINDOWS
+    QMAKE_LIBS += $$_PRO_FILE_PWD_/../build/win32/qbolt.a
+    QMAKE_LIBS += -lntdll
+
+    RC_ICONS = rsrc/qbolt.ico
+}
+
+linux: {
+    QMAKE_LIBS += $$_PRO_FILE_PWD_/../build/linux/qbolt.a
+}
+
+SOURCES += main.cpp\
+        mainwindow.cpp \
+    interop.cpp \
+    boltdb.cpp \
+    itemwindow.cpp
+
+HEADERS  += mainwindow.h \
+    interop.h \
+    boltdb.h \
+    qbolt_cgo.h \
+    itemwindow.h
+
+FORMS    += mainwindow.ui \
+    itemwindow.ui
+
+RESOURCES += \
+    resources.qrc

qbolt/qbolt_cgo.h

@@ -0,0 +1,10 @@
+#ifndef QBOLT_CGO_H
+#define QBOLT_CGO_H
+
+#if defined(Q_OS_WIN) || defined(CGO_WINDOWS)
+#include "../build/win32/qbolt.h"
+#else
+#include "../build/linux/qbolt.h"
+#endif
+
+#endif // QBOLT_CGO_H

resources.go

@@ -1,17 +0,0 @@
-package main
-
-//go:generate miqt-rcc.sh resources.qrc
-
-import (
-	"embed"
-
-	"github.com/mappu/miqt/qt"
-)
-
-//go:embed resources.rcc
-var _resourceRcc []byte
-
-func init() {
-	_ = embed.FS{}
-	qt.QResource_RegisterResourceWithRccData(&_resourceRcc[0])
-}

util.go

@@ -1,24 +0,0 @@
-package main
-
-import (
-	"unsafe"
-	
-	"github.com/mappu/miqt/qt"
-)
-
-// ReverseSlice reverses a slice.
-// @ref https://stackoverflow.com/a/28058324
-func ReverseSlice[S ~[]E, E any](s S)  {
-    for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
-        s[i], s[j] = s[j], s[i]
-    }
-}
-
-func MakeQByteArray(s string) *qt.QByteArray {
-	return qt.NewQByteArray7(s, len(s))
-}
-
-func FromQByteArray(qba *qt.QByteArray) string {
-	var rawData []byte = unsafe.Slice((*byte)(qba.Data()), qba.Length())
-	return string(rawData) // copy
-}

util_test.go

@@ -1,17 +0,0 @@
-package main
-
-import (
-	"testing"
-)
-
-func TestQByteArray(t *testing.T) {
-	foo := "the \x00 quick \x01 brown \x02 fox \x03 jumps \x04 over \x05 the \x06 lazy \x07 dog"
-
-	qb := MakeQByteArray(foo)
-
-	out := FromQByteArray(qb)
-
-	if foo != out {
-		t.Errorf("Expected equal")
-	}
-}

windows-manifest.template.json

@@ -1,50 +0,0 @@
-{
-  "RT_GROUP_ICON": {
-    "APP": {
-      "0000": "rsrc/database_lightning.png"
-    }
-  },
-  "RT_VERSION": {
-    "#1": {
-      "0000": {
-        "fixed": {
-          "file_version": "%VERSION%.0",
-          "product_version": "%VERSION%.0"
-        },
-        "info": {
-          "0409": {
-            "FileDescription": "QBolt Database Viewer",
-            "FileVersion": "%VERSION%.0",
-            "ProductName": "QBolt Database Viewer",
-            "ProductVersion": "%VERSION%.0"
-          }
-        }
-      }
-    }
-  },
-  "RT_MANIFEST": {
-    "#1": {
-      "0409": {
-        "identity": {
-          "name": "",
-          "version": ""
-        },
-        "description": "",
-        "minimum-os": "win7",
-        "execution-level": "as invoker",
-        "ui-access": false,
-        "auto-elevate": false,
-        "dpi-awareness": "per monitor v2",
-        "disable-theming": false,
-        "disable-window-filtering": false,
-        "high-resolution-scrolling-aware": false,
-        "ultra-high-resolution-scrolling-aware": false,
-        "long-path-aware": false,
-        "printer-driver-isolation": false,
-        "gdi-scaling": false,
-        "segment-heap": false,
-        "use-common-controls-v6": true
-      }
-    }
-  }
-}