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_BITCOINGUI_H
6 #define BITCOIN_QT_BITCOINGUI_H
7 
8 #if defined(HAVE_CONFIG_H)
9 #include <config/bitcoin-config.h>
10 #endif
11 
12 #include <qt/optionsdialog.h>
13 
14 #include <amount.h>
15 
16 #include <QLabel>
17 #include <QMainWindow>
18 #include <QMap>
19 #include <QPoint>
20 #include <QSystemTrayIcon>
21 
22 #ifdef Q_OS_MAC
23 #include <qt/macos_appnap.h>
24 #endif
25 
26 #include <memory>
27 
28 class ClientModel;
29 class NetworkStyle;
30 class Notificator;
31 class OptionsModel;
32 class PlatformStyle;
33 class RPCConsole;
34 class SendCoinsRecipient;
35 class UnitDisplayStatusBarControl;
36 class WalletController;
37 class WalletFrame;
38 class WalletModel;
39 class HelpMessageDialog;
40 class ModalOverlay;
41 
42 namespace interfaces {
43 class Handler;
44 class Node;
45 }
46 
47 QT_BEGIN_NAMESPACE
48 class QAction;
49 class QComboBox;
50 class QMenu;
51 class QProgressBar;
52 class QProgressDialog;
53 QT_END_NAMESPACE
54 
55 namespace GUIUtil {
56 class ClickableLabel;
57 class ClickableProgressBar;
58 }
59 
60 /**
61   Bitcoin GUI main class. This class represents the main window of the Bitcoin UI. It communicates with both the client and
62   wallet models to give the user an up-to-date view of the current core state.
63 */
64 class BitcoinGUI : public QMainWindow
65 {
66     Q_OBJECT
67 
68 public:
69     static const std::string DEFAULT_UIPLATFORM;
70 
71     explicit BitcoinGUI(interfaces::Node& node, const PlatformStyle *platformStyle, const NetworkStyle *networkStyle, QWidget *parent = nullptr);
72     ~BitcoinGUI();
73 
74     /** Set the client model.
75         The client model represents the part of the core that communicates with the P2P network, and is wallet-agnostic.
76     */
77     void setClientModel(ClientModel *clientModel);
78 #ifdef ENABLE_WALLET
79     void setWalletController(WalletController* wallet_controller);
80 #endif
81 
82 #ifdef ENABLE_WALLET
83     /** Set the wallet model.
84         The wallet model represents a bitcoin wallet, and offers access to the list of transactions, address book and sending
85         functionality.
86     */
87     void addWallet(WalletModel* walletModel);
88     void removeWallet(WalletModel* walletModel);
89     void removeAllWallets();
90 #endif // ENABLE_WALLET
91     bool enableWallet = false;
92 
93     /** Get the tray icon status.
94         Some systems have not "system tray" or "notification area" available.
95     */
hasTrayIcon()96     bool hasTrayIcon() const { return trayIcon; }
97 
98     /** Disconnect core signals from GUI client */
99     void unsubscribeFromCoreSignals();
100 
101 protected:
102     void changeEvent(QEvent *e);
103     void closeEvent(QCloseEvent *event);
104     void showEvent(QShowEvent *event);
105     void dragEnterEvent(QDragEnterEvent *event);
106     void dropEvent(QDropEvent *event);
107     bool eventFilter(QObject *object, QEvent *event);
108 
109 private:
110     interfaces::Node& m_node;
111     WalletController* m_wallet_controller{nullptr};
112     std::unique_ptr<interfaces::Handler> m_handler_message_box;
113     std::unique_ptr<interfaces::Handler> m_handler_question;
114     ClientModel* clientModel = nullptr;
115     WalletFrame* walletFrame = nullptr;
116 
117     UnitDisplayStatusBarControl* unitDisplayControl = nullptr;
118     QLabel* labelWalletEncryptionIcon = nullptr;
119     QLabel* labelWalletHDStatusIcon = nullptr;
120     GUIUtil::ClickableLabel* labelProxyIcon = nullptr;
121     GUIUtil::ClickableLabel* connectionsControl = nullptr;
122     GUIUtil::ClickableLabel* labelBlocksIcon = nullptr;
123     QLabel* progressBarLabel = nullptr;
124     GUIUtil::ClickableProgressBar* progressBar = nullptr;
125     QProgressDialog* progressDialog = nullptr;
126 
127     QMenuBar* appMenuBar = nullptr;
128     QToolBar* appToolBar = nullptr;
129     QAction* overviewAction = nullptr;
130     QAction* historyAction = nullptr;
131     QAction* quitAction = nullptr;
132     QAction* sendCoinsAction = nullptr;
133     QAction* sendCoinsMenuAction = nullptr;
134     QAction* usedSendingAddressesAction = nullptr;
135     QAction* usedReceivingAddressesAction = nullptr;
136     QAction* signMessageAction = nullptr;
137     QAction* verifyMessageAction = nullptr;
138     QAction* aboutAction = nullptr;
139     QAction* receiveCoinsAction = nullptr;
140     QAction* receiveCoinsMenuAction = nullptr;
141     QAction* optionsAction = nullptr;
142     QAction* toggleHideAction = nullptr;
143     QAction* encryptWalletAction = nullptr;
144     QAction* backupWalletAction = nullptr;
145     QAction* changePassphraseAction = nullptr;
146     QAction* aboutQtAction = nullptr;
147     QAction* openRPCConsoleAction = nullptr;
148     QAction* openAction = nullptr;
149     QAction* showHelpMessageAction = nullptr;
150     QAction* m_open_wallet_action{nullptr};
151     QMenu* m_open_wallet_menu{nullptr};
152     QAction* m_close_wallet_action{nullptr};
153     QAction* m_wallet_selector_label_action = nullptr;
154     QAction* m_wallet_selector_action = nullptr;
155 
156     QLabel *m_wallet_selector_label = nullptr;
157     QComboBox* m_wallet_selector = nullptr;
158 
159     QSystemTrayIcon* trayIcon = nullptr;
160     const std::unique_ptr<QMenu> trayIconMenu;
161     Notificator* notificator = nullptr;
162     RPCConsole* rpcConsole = nullptr;
163     HelpMessageDialog* helpMessageDialog = nullptr;
164     ModalOverlay* modalOverlay = nullptr;
165 
166 #ifdef Q_OS_MAC
167     CAppNapInhibitor* m_app_nap_inhibitor = nullptr;
168 #endif
169 
170     /** Keep track of previous number of blocks, to detect progress */
171     int prevBlocks = 0;
172     int spinnerFrame = 0;
173 
174     const PlatformStyle *platformStyle;
175     const NetworkStyle* const m_network_style;
176 
177     /** Create the main UI actions. */
178     void createActions();
179     /** Create the menu bar and sub-menus. */
180     void createMenuBar();
181     /** Create the toolbars */
182     void createToolBars();
183     /** Create system tray icon and notification */
184     void createTrayIcon();
185     /** Create system tray menu (or setup the dock menu) */
186     void createTrayIconMenu();
187 
188     /** Enable or disable all wallet-related actions */
189     void setWalletActionsEnabled(bool enabled);
190 
191     /** Connect core signals to GUI client */
192     void subscribeToCoreSignals();
193 
194     /** Update UI with latest network info from model. */
195     void updateNetworkState();
196 
197     void updateHeadersSyncProgressLabel();
198 
199     /** Open the OptionsDialog on the specified tab index */
200     void openOptionsDialogWithTab(OptionsDialog::Tab tab);
201 
202 Q_SIGNALS:
203     /** Signal raised when a URI was entered or dragged to the GUI */
204     void receivedURI(const QString &uri);
205     /** Signal raised when RPC console shown */
206     void consoleShown(RPCConsole* console);
207 
208 public Q_SLOTS:
209     /** Set number of connections shown in the UI */
210     void setNumConnections(int count);
211     /** Set network state shown in the UI */
212     void setNetworkActive(bool networkActive);
213     /** Set number of blocks and last block date shown in the UI */
214     void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool headers);
215 
216     /** Notify the user of an event from the core network or transaction handling code.
217        @param[in] title     the message box / notification title
218        @param[in] message   the displayed text
219        @param[in] style     modality and style definitions (icon and used buttons - buttons only for message boxes)
220                             @see CClientUIInterface::MessageBoxFlags
221        @param[in] ret       pointer to a bool that will be modified to whether Ok was clicked (modal only)
222     */
223     void message(const QString &title, const QString &message, unsigned int style, bool *ret = nullptr);
224 
225 #ifdef ENABLE_WALLET
226     void setCurrentWallet(WalletModel* wallet_model);
227     void setCurrentWalletBySelectorIndex(int index);
228     /** Set the UI status indicators based on the currently selected wallet.
229     */
230     void updateWalletStatus();
231 
232 private:
233     /** Set the encryption status as shown in the UI.
234        @param[in] status            current encryption status
235        @see WalletModel::EncryptionStatus
236     */
237     void setEncryptionStatus(int status);
238 
239     /** Set the hd-enabled status as shown in the UI.
240      @param[in] hdEnabled         current hd enabled status
241      @see WalletModel::EncryptionStatus
242      */
243     void setHDStatus(bool privkeyDisabled, int hdEnabled);
244 
245 public Q_SLOTS:
246     bool handlePaymentRequest(const SendCoinsRecipient& recipient);
247 
248     /** Show incoming transaction notification for new transactions. */
249     void incomingTransaction(const QString& date, int unit, const CAmount& amount, const QString& type, const QString& address, const QString& label, const QString& walletName);
250 #endif // ENABLE_WALLET
251 
252 private:
253     /** Set the proxy-enabled icon as shown in the UI. */
254     void updateProxyIcon();
255     void updateWindowTitle();
256 
257 public Q_SLOTS:
258 #ifdef ENABLE_WALLET
259     /** Switch to overview (home) page */
260     void gotoOverviewPage();
261     /** Switch to history (transactions) page */
262     void gotoHistoryPage();
263     /** Switch to receive coins page */
264     void gotoReceiveCoinsPage();
265     /** Switch to send coins page */
266     void gotoSendCoinsPage(QString addr = "");
267 
268     /** Show Sign/Verify Message dialog and switch to sign message tab */
269     void gotoSignMessageTab(QString addr = "");
270     /** Show Sign/Verify Message dialog and switch to verify message tab */
271     void gotoVerifyMessageTab(QString addr = "");
272 
273     /** Show open dialog */
274     void openClicked();
275 #endif // ENABLE_WALLET
276     /** Show configuration dialog */
277     void optionsClicked();
278     /** Show about dialog */
279     void aboutClicked();
280     /** Show debug window */
281     void showDebugWindow();
282     /** Show debug window and set focus to the console */
283     void showDebugWindowActivateConsole();
284     /** Show help message dialog */
285     void showHelpMessageClicked();
286 #ifndef Q_OS_MAC
287     /** Handle tray icon clicked */
288     void trayIconActivated(QSystemTrayIcon::ActivationReason reason);
289 #else
290     /** Handle macOS Dock icon clicked */
291     void macosDockIconActivated();
292 #endif
293 
294     /** Show window if hidden, unminimize when minimized, rise when obscured or show if hidden and fToggleHidden is true */
showNormalIfMinimized()295     void showNormalIfMinimized() { showNormalIfMinimized(false); }
296     void showNormalIfMinimized(bool fToggleHidden);
297     /** Simply calls showNormalIfMinimized(true) for use in SLOT() macro */
298     void toggleHidden();
299 
300     /** called by a timer to check if ShutdownRequested() has been set **/
301     void detectShutdown();
302 
303     /** Show progress dialog e.g. for verifychain */
304     void showProgress(const QString &title, int nProgress);
305 
306     /** When hideTrayIcon setting is changed in OptionsModel hide or show the icon accordingly. */
307     void setTrayIconVisible(bool);
308 
309     void showModalOverlay();
310 };
311 
312 class UnitDisplayStatusBarControl : public QLabel
313 {
314     Q_OBJECT
315 
316 public:
317     explicit UnitDisplayStatusBarControl(const PlatformStyle *platformStyle);
318     /** Lets the control know about the Options Model (and its signals) */
319     void setOptionsModel(OptionsModel *optionsModel);
320 
321 protected:
322     /** So that it responds to left-button clicks */
323     void mousePressEvent(QMouseEvent *event);
324 
325 private:
326     OptionsModel *optionsModel;
327     QMenu* menu;
328 
329     /** Shows context menu with Display Unit options by the mouse coordinates */
330     void onDisplayUnitsClicked(const QPoint& point);
331     /** Creates context menu, its actions, and wires up all the relevant signals for mouse events. */
332     void createContextMenu();
333 
334 private Q_SLOTS:
335     /** When Display Units are changed on OptionsModel it will refresh the display text of the control on the status bar */
336     void updateDisplayUnit(int newUnits);
337     /** Tells underlying optionsModel to update its current display unit. */
338     void onMenuSelection(QAction* action);
339 };
340 
341 #endif // BITCOIN_QT_BITCOINGUI_H
342