From 0057bb4ef6d55b5d580a4e0421526a477ef93de9 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Thu, 19 Feb 2015 11:51:38 +0100
Subject: [PATCH] WIP QT Clipboard

---
 cmd/mist/assets/qml/main.qml  |  1 +
 cmd/mist/gui.go               |  1 +
 rpc/util.go                   |  6 +++---
 ui/qt/clipboard/capi.hpp      | 11 +++++++++++
 ui/qt/clipboard/clipboard.cpp | 20 ++++++++++++++++++++
 ui/qt/clipboard/clipboard.go  | 15 +++++++++++++++
 ui/qt/clipboard/clipboard.hpp | 23 +++++++++++++++++++++++
 xeth/types.go                 |  2 +-
 8 files changed, 75 insertions(+), 4 deletions(-)
 create mode 100644 ui/qt/clipboard/capi.hpp
 create mode 100644 ui/qt/clipboard/clipboard.cpp
 create mode 100644 ui/qt/clipboard/clipboard.go
 create mode 100644 ui/qt/clipboard/clipboard.hpp

diff --git a/cmd/mist/assets/qml/main.qml b/cmd/mist/assets/qml/main.qml
index f9bfd9b8d2..5f7f05d835 100644
--- a/cmd/mist/assets/qml/main.qml
+++ b/cmd/mist/assets/qml/main.qml
@@ -246,6 +246,7 @@ ApplicationWindow {
                 }
             }
         }
+
     }
 
     property var blockModel: ListModel {
diff --git a/cmd/mist/gui.go b/cmd/mist/gui.go
index c9419473ce..1e3efd269f 100644
--- a/cmd/mist/gui.go
+++ b/cmd/mist/gui.go
@@ -131,6 +131,7 @@ func (gui *Gui) Start(assetPath string) {
 	context.SetVar("gui", gui)
 	context.SetVar("eth", gui.uiLib)
 	context.SetVar("shh", gui.whisper)
+	//clipboard.SetQMLClipboard(context)
 
 	win, err := gui.showWallet(context)
 	if err != nil {
diff --git a/rpc/util.go b/rpc/util.go
index 679d83754d..366e315ac2 100644
--- a/rpc/util.go
+++ b/rpc/util.go
@@ -80,7 +80,7 @@ type RpcServer interface {
 
 type Log struct {
 	Address string   `json:"address"`
-	Topics  []string `json:"topics"`
+	Topic   []string `json:"topics"`
 	Data    string   `json:"data"`
 }
 
@@ -89,11 +89,11 @@ func toLogs(logs state.Logs) (ls []Log) {
 
 	for i, log := range logs {
 		var l Log
-		l.Topics = make([]string, len(log.Topics()))
+		l.Topic = make([]string, len(log.Topics()))
 		l.Address = toHex(log.Address())
 		l.Data = toHex(log.Data())
 		for j, topic := range log.Topics() {
-			l.Topics[j] = toHex(topic)
+			l.Topic[j] = toHex(topic)
 		}
 		ls[i] = l
 	}
diff --git a/ui/qt/clipboard/capi.hpp b/ui/qt/clipboard/capi.hpp
new file mode 100644
index 0000000000..2026134691
--- /dev/null
+++ b/ui/qt/clipboard/capi.hpp
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "clipboard.hpp"
+
+typedef void Clipboard_;
+
+Clipboard_ *initClipboard()
+{
+	Clipboard *clipboard = new(Clipboard);
+	return static_cast<Clipboard_*>(clipboard);
+}
diff --git a/ui/qt/clipboard/clipboard.cpp b/ui/qt/clipboard/clipboard.cpp
new file mode 100644
index 0000000000..192aa7a2b9
--- /dev/null
+++ b/ui/qt/clipboard/clipboard.cpp
@@ -0,0 +1,20 @@
+#include "clipboard.h"
+
+#include <QClipboard>
+
+Clipboard::Clipboard()
+{
+	connect(QApplication::clipboard(), &QClipboard::dataChanged, [this] { emit clipboardChanged();});
+}
+
+QString Clipboard::get() const
+{
+	QClipboard *clipboard = QApplication::clipboard();
+	return clipboard->text();
+}
+
+void Clipboard::toClipboard(QString _text)
+{
+	QClipboard *clipboard = QApplicationion::clipboard();
+	clipboard->setText(_text);
+}
diff --git a/ui/qt/clipboard/clipboard.go b/ui/qt/clipboard/clipboard.go
new file mode 100644
index 0000000000..064ee954d0
--- /dev/null
+++ b/ui/qt/clipboard/clipboard.go
@@ -0,0 +1,15 @@
+package clipboard
+
+// #cgo CPPFLAGS: -I./
+// #cgo CXXFLAGS: -std=c++0x -pedantic-errors -Wall -fno-strict-aliasing
+// #cgo LDFLAGS: -lstdc++
+// #cgo pkg-config: Qt5Quick
+//
+// #include "capi.hpp"
+import "C"
+
+import "github.com/obscuren/qml"
+
+func SetQMLClipboard(context *qml.Context) {
+	context.SetVar("clipboard", (unsafe.Pointer)(C.initClipboard()))
+}
diff --git a/ui/qt/clipboard/clipboard.hpp b/ui/qt/clipboard/clipboard.hpp
new file mode 100644
index 0000000000..1aa213ceb1
--- /dev/null
+++ b/ui/qt/clipboard/clipboard.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+class Clipboard : public QObject
+{
+	Q_OBJECT
+	Q_PROPERTY(QString get READ get WRITE toClipboard NOTIFY clipboardChanged)
+public:
+	Clipboard();
+	virtual ~Clipboard(){}
+
+	Q_INVOKABLE void toClipboard(QString _text);
+
+signals:
+	void clipboardChanged();
+};
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
diff --git a/xeth/types.go b/xeth/types.go
index a903fccbbf..5b2d160180 100644
--- a/xeth/types.go
+++ b/xeth/types.go
@@ -150,7 +150,7 @@ type Transaction struct {
 func NewTx(tx *types.Transaction) *Transaction {
 	hash := toHex(tx.Hash())
 	receiver := toHex(tx.To())
-	if receiver == "0000000000000000000000000000000000000000" {
+	if len(receiver) == 0 {
 		receiver = toHex(core.AddressFromMessage(tx))
 	}
 	sender := toHex(tx.From())