Merge bitcoin-core/gui#319: Paste button in Open URI dialog

dbde055 gui: Paste button in Open URI dialog (Kristaps Kaupe)

Pull request description:

  Picking up bitcoin#17955, with some review comments addressed.

ACKs for top commit:
  shaavan:
    tACK dbde055
  jarolrod:
    ACK dbde055
  promag:
    Tested ACK dbde055.

Tree-SHA512: db47f19673aff6becd6d1f938cd2aa5dc2291d6e80150d2b99f435674330a5eae678b20e42ef327ea9b05c44925a941fc251e622c73b3585018fc7c1d245edb5

Author: hebasto

src/qt/bitcoingui.cpp

@@ -870,7 +870,7 @@ void BitcoinGUI::showHelpMessageClicked()
 #ifdef ENABLE_WALLET
 void BitcoinGUI::openClicked()
 {
-    OpenURIDialog dlg(this);
+    OpenURIDialog dlg(platformStyle, this);
     if(dlg.exec())
     {
         Q_EMIT receivedURI(dlg.getURI());

src/qt/forms/openuridialog.ui

@@ -30,6 +30,27 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QToolButton" name="pasteButton">
+       <property name="toolTip">
+        <string extracomment="Tooltip text for button that allows you to paste an address that is in your clipboard.">Paste address from clipboard</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="../bitcoin.qrc">
+         <normaloff>:/icons/editpaste</normaloff>:/icons/editpaste
+        </iconset>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>22</width>
+         <height>22</height>
+        </size>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>

src/qt/openuridialog.cpp

@@ -6,15 +6,20 @@
 #include <qt/forms/ui_openuridialog.h>
 
 #include <qt/guiutil.h>
+#include <qt/platformstyle.h>
 #include <qt/sendcoinsrecipient.h>
 
+#include <QAbstractButton>
+#include <QLineEdit>
 #include <QUrl>
 
-OpenURIDialog::OpenURIDialog(QWidget *parent) :
-    QDialog(parent, GUIUtil::dialog_flags),
-    ui(new Ui::OpenURIDialog)
+OpenURIDialog::OpenURIDialog(const PlatformStyle* platformStyle, QWidget* parent) : QDialog(parent, GUIUtil::dialog_flags),
+                                                                                    ui(new Ui::OpenURIDialog),
+                                                                                    m_platform_style(platformStyle)
 {
     ui->setupUi(this);
+    ui->pasteButton->setIcon(m_platform_style->SingleColorIcon(":/icons/editpaste"));
+    QObject::connect(ui->pasteButton, &QAbstractButton::clicked, ui->uriEdit, &QLineEdit::paste);
 
     GUIUtil::handleCloseWindowShortcut(this);
 }
@@ -32,11 +37,19 @@ QString OpenURIDialog::getURI()
 void OpenURIDialog::accept()
 {
     SendCoinsRecipient rcp;
-    if(GUIUtil::parseBitcoinURI(getURI(), &rcp))
-    {
+    if (GUIUtil::parseBitcoinURI(getURI(), &rcp)) {
         /* Only accept value URIs */
         QDialog::accept();
     } else {
         ui->uriEdit->setValid(false);
     }
 }
+
+void OpenURIDialog::changeEvent(QEvent* e)
+{
+    if (e->type() == QEvent::PaletteChange) {
+        ui->pasteButton->setIcon(m_platform_style->SingleColorIcon(":/icons/editpaste"));
+    }
+
+    QDialog::changeEvent(e);
+}

src/qt/openuridialog.h

@@ -7,6 +7,8 @@
 
 #include <QDialog>
 
+class PlatformStyle;
+
 namespace Ui {
     class OpenURIDialog;
 }
@@ -16,16 +18,19 @@ class OpenURIDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit OpenURIDialog(QWidget *parent);
+    explicit OpenURIDialog(const PlatformStyle* platformStyle, QWidget* parent);
     ~OpenURIDialog();
 
     QString getURI();
 
 protected Q_SLOTS:
     void accept() override;
+    void changeEvent(QEvent* e) override;
 
 private:
-    Ui::OpenURIDialog *ui;
+    Ui::OpenURIDialog* ui;
+
+    const PlatformStyle* m_platform_style;
 };
 
 #endif // BITCOIN_QT_OPENURIDIALOG_H