qt: Add TransactionOverviewWidget class

Github-Pull: bitcoin-core/gui#176
Rebased-From: d439921

Author: hebasto

src/Makefile.qt.include

@@ -78,6 +78,7 @@ QT_MOC_CPP = \
   qt/moc_transactiondesc.cpp \
   qt/moc_transactiondescdialog.cpp \
   qt/moc_transactionfilterproxy.cpp \
+  qt/moc_transactionoverviewwidget.cpp \
   qt/moc_transactiontablemodel.cpp \
   qt/moc_transactionview.cpp \
   qt/moc_utilitydialog.cpp \
@@ -151,6 +152,7 @@ BITCOIN_QT_H = \
   qt/transactiondesc.h \
   qt/transactiondescdialog.h \
   qt/transactionfilterproxy.h \
+  qt/transactionoverviewwidget.h \
   qt/transactionrecord.h \
   qt/transactiontablemodel.h \
   qt/transactionview.h \

src/qt/forms/overviewpage.ui

@@ -504,7 +504,7 @@
            </layout>
           </item>
           <item>
-           <widget class="QListView" name="listTransactions">
+           <widget class="TransactionOverviewWidget" name="listTransactions">
             <property name="styleSheet">
              <string notr="true">QListView { background: transparent; }</string>
             </property>
@@ -520,6 +520,9 @@
             <property name="selectionMode">
              <enum>QAbstractItemView::NoSelection</enum>
             </property>
+            <property name="uniformItemSizes">
+             <bool>true</bool>
+            </property>
            </widget>
           </item>
          </layout>
@@ -544,6 +547,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>TransactionOverviewWidget</class>
+   <extends>QListView</extends>
+   <header>qt/transactionoverviewwidget.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>

src/qt/overviewpage.cpp

@@ -12,6 +12,7 @@
 #include <qt/optionsmodel.h>
 #include <qt/platformstyle.h>
 #include <qt/transactionfilterproxy.h>
+#include <qt/transactionoverviewwidget.h>
 #include <qt/transactiontablemodel.h>
 #include <qt/walletmodel.h>
 
@@ -135,7 +136,7 @@ OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent)
     ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
     ui->listTransactions->setAttribute(Qt::WA_MacShowFocusRect, false);
 
-    connect(ui->listTransactions, &QListView::clicked, this, &OverviewPage::handleTransactionClicked);
+    connect(ui->listTransactions, &TransactionOverviewWidget::clicked, this, &OverviewPage::handleTransactionClicked);
 
     // start with displaying the "out of sync" warnings
     showOutOfSyncWarning(true);

src/qt/transactionoverviewwidget.h

@@ -0,0 +1,41 @@
+// Copyright (c) 2021 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_TRANSACTIONOVERVIEWWIDGET_H
+#define BITCOIN_QT_TRANSACTIONOVERVIEWWIDGET_H
+
+#include <qt/transactiontablemodel.h>
+
+#include <QListView>
+#include <QSize>
+#include <QSizePolicy>
+
+QT_BEGIN_NAMESPACE
+class QShowEvent;
+class QWidget;
+QT_END_NAMESPACE
+
+class TransactionOverviewWidget : public QListView
+{
+    Q_OBJECT
+
+public:
+    explicit TransactionOverviewWidget(QWidget* parent = nullptr) : QListView(parent) {}
+
+    QSize sizeHint() const override
+    {
+        return {sizeHintForColumn(TransactionTableModel::ToAddress), QListView::sizeHint().height()};
+    }
+
+protected:
+    void showEvent(QShowEvent* event) override
+    {
+        Q_UNUSED(event);
+        QSizePolicy sp = sizePolicy();
+        sp.setHorizontalPolicy(QSizePolicy::Minimum);
+        setSizePolicy(sp);
+    }
+};
+
+#endif // BITCOIN_QT_TRANSACTIONOVERVIEWWIDGET_H