1 // Copyright (c) 2011-2019 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #ifndef BITCOIN_QT_SENDCOINSDIALOG_H
6 #define BITCOIN_QT_SENDCOINSDIALOG_H
7 
8 #include <qt/walletmodel.h>
9 
10 #include <QDialog>
11 #include <QMessageBox>
12 #include <QString>
13 #include <QTimer>
14 
15 class CCoinControl;
16 class ClientModel;
17 class PlatformStyle;
18 class SendCoinsEntry;
19 class SendCoinsRecipient;
20 enum class SynchronizationState;
21 
22 namespace Ui {
23     class SendCoinsDialog;
24 }
25 
26 QT_BEGIN_NAMESPACE
27 class QUrl;
28 QT_END_NAMESPACE
29 
30 /** Dialog for sending bitcoins */
31 class SendCoinsDialog : public QDialog
32 {
33     Q_OBJECT
34 
35 public:
36     explicit SendCoinsDialog(const PlatformStyle *platformStyle, QWidget *parent = nullptr);
37     ~SendCoinsDialog();
38 
39     void setClientModel(ClientModel *clientModel);
40     void setModel(WalletModel *model);
41 
42     /** Set up the tab chain manually, as Qt messes up the tab chain by default in some cases (issue https://bugreports.qt-project.org/browse/QTBUG-10907).
43      */
44     QWidget *setupTabChain(QWidget *prev);
45 
46     void setAddress(const QString &address);
47     void pasteEntry(const SendCoinsRecipient &rv);
48     bool handlePaymentRequest(const SendCoinsRecipient &recipient);
49 
50 public Q_SLOTS:
51     void clear();
52     void reject() override;
53     void accept() override;
54     SendCoinsEntry *addEntry();
55     void updateTabsAndLabels();
56     void setBalance(const interfaces::WalletBalances& balances);
57 
58 Q_SIGNALS:
59     void coinsSent(const uint256& txid);
60 
61 private:
62     Ui::SendCoinsDialog *ui;
63     ClientModel *clientModel;
64     WalletModel *model;
65     std::unique_ptr<CCoinControl> m_coin_control;
66     std::unique_ptr<WalletModelTransaction> m_current_transaction;
67     bool fNewRecipientAllowed;
68     bool fFeeMinimized;
69     const PlatformStyle *platformStyle;
70 
71     // Process WalletModel::SendCoinsReturn and generate a pair consisting
72     // of a message and message flags for use in Q_EMIT message().
73     // Additional parameter msgArg can be used via .arg(msgArg).
74     void processSendCoinsReturn(const WalletModel::SendCoinsReturn &sendCoinsReturn, const QString &msgArg = QString());
75     void minimizeFeeSection(bool fMinimize);
76     // Format confirmation message
77     bool PrepareSendText(QString& question_string, QString& informative_text, QString& detailed_text);
78     void updateFeeMinimizedLabel();
79     // Update the passed in CCoinControl with state from the GUI
80     void updateCoinControlState(CCoinControl& ctrl);
81 
82 private Q_SLOTS:
83     void on_sendButton_clicked();
84     void on_buttonChooseFee_clicked();
85     void on_buttonMinimizeFee_clicked();
86     void removeEntry(SendCoinsEntry* entry);
87     void useAvailableBalance(SendCoinsEntry* entry);
88     void updateDisplayUnit();
89     void coinControlFeatureChanged(bool);
90     void coinControlButtonClicked();
91     void coinControlChangeChecked(int);
92     void coinControlChangeEdited(const QString &);
93     void coinControlUpdateLabels();
94     void coinControlClipboardQuantity();
95     void coinControlClipboardAmount();
96     void coinControlClipboardFee();
97     void coinControlClipboardAfterFee();
98     void coinControlClipboardBytes();
99     void coinControlClipboardLowOutput();
100     void coinControlClipboardChange();
101     void updateFeeSectionControls();
102     void updateNumberOfBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool headers, SynchronizationState sync_state);
103     void updateSmartFeeLabel();
104 
105 Q_SIGNALS:
106     // Fired when a message should be reported to the user
107     void message(const QString &title, const QString &message, unsigned int style);
108 };
109 
110 
111 #define SEND_CONFIRM_DELAY   3
112 
113 class SendConfirmationDialog : public QMessageBox
114 {
115     Q_OBJECT
116 
117 public:
118     SendConfirmationDialog(const QString& title, const QString& text, const QString& informative_text = "", const QString& detailed_text = "", int secDelay = SEND_CONFIRM_DELAY, const QString& confirmText = "Send", QWidget* parent = nullptr);
119     int exec() override;
120 
121 private Q_SLOTS:
122     void countDown();
123     void updateYesButton();
124 
125 private:
126     QAbstractButton *yesButton;
127     QTimer countDownTimer;
128     int secDelay;
129     QString confirmButtonText;
130 };
131 
132 #endif // BITCOIN_QT_SENDCOINSDIALOG_H
133