1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "globalactions.h"
#include "centralwidget.h"
#include "helpviewer.h"
#include "tracer.h"
#include <QtWidgets/QMenu>
#include <QtGui/QAction>
#if defined(BROWSER_QTWEBKIT)
# include <QWebHistory>
#endif
using namespace Qt::StringLiterals;
GlobalActions *GlobalActions::instance(QObject *parent)
{
Q_ASSERT(!m_instance != !parent);
if (!m_instance)
m_instance = new GlobalActions(parent);
return m_instance;
}
GlobalActions::GlobalActions(QObject *parent) : QObject(parent)
{
TRACE_OBJ
// TODO: Put resource path in misc class
QString resourcePath = ":/qt-project.org/assistant/images/"_L1;
#ifdef Q_OS_MAC
resourcePath.append("mac"_L1);
#else
resourcePath.append("win"_L1);
#endif
CentralWidget *centralWidget = CentralWidget::instance();
m_backAction = new QAction(tr("&Back"), parent);
m_backAction->setEnabled(false);
m_backAction->setShortcuts(QKeySequence::Back);
m_backAction->setIcon(QIcon(resourcePath + "/previous.png"_L1));
connect(m_backAction, &QAction::triggered, centralWidget, &CentralWidget::backward);
m_actionList << m_backAction;
m_nextAction = new QAction(tr("&Forward"), parent);
m_nextAction->setPriority(QAction::LowPriority);
m_nextAction->setEnabled(false);
m_nextAction->setShortcuts(QKeySequence::Forward);
m_nextAction->setIcon(QIcon(resourcePath + "/next.png"_L1));
connect(m_nextAction, &QAction::triggered, centralWidget, &CentralWidget::forward);
m_actionList << m_nextAction;
setupNavigationMenus(m_backAction, m_nextAction, centralWidget);
m_homeAction = new QAction(tr("&Home"), parent);
m_homeAction->setShortcut(tr("ALT+Home"));
m_homeAction->setIcon(QIcon(resourcePath + "/home.png"_L1));
connect(m_homeAction, &QAction::triggered, centralWidget, &CentralWidget::home);
m_actionList << m_homeAction;
QAction *separator = new QAction(parent);
separator->setSeparator(true);
m_actionList << separator;
m_zoomInAction = new QAction(tr("Zoom &in"), parent);
m_zoomInAction->setPriority(QAction::LowPriority);
m_zoomInAction->setIcon(QIcon(resourcePath + "/zoomin.png"_L1));
m_zoomInAction->setShortcut(QKeySequence::ZoomIn);
connect(m_zoomInAction, &QAction::triggered, centralWidget, &CentralWidget::zoomIn);
m_actionList << m_zoomInAction;
m_zoomOutAction = new QAction(tr("Zoom &out"), parent);
m_zoomOutAction->setPriority(QAction::LowPriority);
m_zoomOutAction->setIcon(QIcon(resourcePath + "/zoomout.png"_L1));
m_zoomOutAction->setShortcut(QKeySequence::ZoomOut);
connect(m_zoomOutAction, &QAction::triggered, centralWidget, &CentralWidget::zoomOut);
m_actionList << m_zoomOutAction;
separator = new QAction(parent);
separator->setSeparator(true);
m_actionList << separator;
#if QT_CONFIG(clipboard)
m_copyAction = new QAction(tr("&Copy selected Text"), parent);
m_copyAction->setPriority(QAction::LowPriority);
m_copyAction->setIconText("&Copy");
m_copyAction->setIcon(QIcon(resourcePath + "/editcopy.png"_L1));
m_copyAction->setShortcuts(QKeySequence::Copy);
m_copyAction->setEnabled(false);
connect(m_copyAction, &QAction::triggered, centralWidget, &CentralWidget::copy);
m_actionList << m_copyAction;
#endif
m_printAction = new QAction(tr("&Print..."), parent);
m_printAction->setPriority(QAction::LowPriority);
m_printAction->setIcon(QIcon(resourcePath + "/print.png"_L1));
m_printAction->setShortcut(QKeySequence::Print);
connect(m_printAction, &QAction::triggered, centralWidget, &CentralWidget::print);
m_actionList << m_printAction;
m_findAction = new QAction(tr("&Find in Text..."), parent);
m_findAction->setIconText(tr("&Find"));
m_findAction->setIcon(QIcon(resourcePath + "/find.png"_L1));
m_findAction->setShortcuts(QKeySequence::Find);
connect(m_findAction, &QAction::triggered, centralWidget, &CentralWidget::showTextSearch);
m_actionList << m_findAction;
#if defined (Q_OS_UNIX) && !defined(Q_OS_MAC)
m_backAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::GoPrevious,
m_backAction->icon()));
m_nextAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::GoNext,
m_nextAction->icon()));
m_zoomInAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::ZoomIn,
m_zoomInAction->icon()));
m_zoomOutAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::ZoomOut,
m_zoomOutAction->icon()));
#if QT_CONFIG(clipboard)
m_copyAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::EditCopy,
m_copyAction->icon()));
#endif
m_findAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::EditFind,
m_findAction->icon()));
m_homeAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::GoHome,
m_homeAction->icon()));
m_printAction->setIcon(QIcon::fromTheme(QIcon::ThemeIcon::DocumentPrint,
m_printAction->icon()));
#endif
}
void GlobalActions::updateActions()
{
TRACE_OBJ
CentralWidget *centralWidget = CentralWidget::instance();
#if QT_CONFIG(clipboard)
m_copyAction->setEnabled(centralWidget->hasSelection());
#endif
m_nextAction->setEnabled(centralWidget->isForwardAvailable());
m_backAction->setEnabled(centralWidget->isBackwardAvailable());
}
#if QT_CONFIG(clipboard)
void GlobalActions::setCopyAvailable(bool available)
{
TRACE_OBJ
m_copyAction->setEnabled(available);
}
#endif
#if defined(BROWSER_QTWEBKIT)
void GlobalActions::slotAboutToShowBackMenu()
{
TRACE_OBJ
m_backMenu->clear();
if (QWebHistory *history = CentralWidget::instance()->currentHelpViewer()->history()) {
const int currentItemIndex = history->currentItemIndex();
QList<QWebHistoryItem> items = history->backItems(history->count());
for (int i = items.count() - 1; i >= 0; --i) {
QAction *action = new QAction(this);
action->setText(items.at(i).title());
action->setData(-1 * (currentItemIndex - i));
m_backMenu->addAction(action);
}
}
}
void GlobalActions::slotAboutToShowNextMenu()
{
TRACE_OBJ
m_nextMenu->clear();
if (QWebHistory *history = CentralWidget::instance()->currentHelpViewer()->history()) {
const int count = history->count();
QList<QWebHistoryItem> items = history->forwardItems(count);
for (int i = 0; i < items.count(); ++i) {
QAction *action = new QAction(this);
action->setData(count - i);
action->setText(items.at(i).title());
m_nextMenu->addAction(action);
}
}
}
void GlobalActions::slotOpenActionUrl(QAction *action)
{
TRACE_OBJ
if (HelpViewer* viewer = CentralWidget::instance()->currentHelpViewer()) {
const int offset = action->data().toInt();
QWebHistory *history = viewer->history();
if (offset > 0) {
history->goToItem(history->forwardItems(history->count()
- offset + 1).back()); // forward
} else if (offset < 0) {
history->goToItem(history->backItems(-1 * offset).first()); // back
}
}
}
#endif // BROWSER_QTWEBKIT
void GlobalActions::setupNavigationMenus(QAction *back, QAction *next,
QWidget *parent)
{
#if defined(BROWSER_QTWEBKIT)
m_backMenu = new QMenu(parent);
connect(m_backMenu, &QMenu::aboutToShow,
this, &GlobalActions::slotAboutToShowBackMenu);
connect(m_backMenu, &QMenu::triggered,
this, &GlobalActions::slotOpenActionUrl);
back->setMenu(m_backMenu);
m_nextMenu = new QMenu(parent);
connect(m_nextMenu, &QMenu::aboutToShow,
this, &GlobalActions::slotAboutToShowNextMenu);
connect(m_nextMenu, &QMenu::triggered,
this, &GlobalActions::slotOpenActionUrl);
next->setMenu(m_nextMenu);
#else
Q_UNUSED(back);
Q_UNUSED(next);
Q_UNUSED(parent);
#endif
}
GlobalActions *GlobalActions::m_instance = nullptr;
|
