qt: Add TransactionOverviewWidget class

Github-Pull: bitcoin-core/gui#176
Rebased-From: d439921
(cherry picked from commit b7086e6)

Author: hebasto

src/Makefile.qt.include

@@ -77,6 +77,7 @@ 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 \
@@ -150,6 +151,7 @@ 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

@@ -610,7 +610,7 @@
              </layout>
             </item>
             <item>
-             <widget class="QListView" name="listTransactions">
+             <widget class="TransactionOverviewWidget" name="listTransactions">
               <property name="styleSheet">
                <string notr="true">QListView { background: transparent; }</string>
               </property>
@@ -626,6 +626,9 @@
               <property name="selectionMode">
                <enum>QAbstractItemView::NoSelection</enum>
               </property>
+              <property name="uniformItemSizes">
+               <bool>true</bool>
+              </property>
              </widget>
             </item>
            </layout>
@@ -639,6 +642,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>TransactionOverviewWidget</class>
+   <extends>QListView</extends>
+   <header>qt/transactionoverviewwidget.h</header>
+  </customwidget>
+ </customwidgets>
  <resources>
   <include location="../bitcoin.qrc"/>
  </resources>

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>
 
@@ -133,7 +134,7 @@ 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