1 /* ============================================================
2 * QuiteRSS is a open-source cross-platform RSS/Atom news feeds reader
3 * Copyright (C) 2011-2020 QuiteRSS Team <quiterssteam@gmail.com>
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <https://www.gnu.org/licenses/>.
17 * ============================================================ */
18 #include "tabbar.h"
19
20 #include "mainapplication.h"
21
TabBar(QWidget * parent)22 TabBar::TabBar(QWidget *parent)
23 : QTabBar(parent)
24 , closingTabState_(CloseTabIdle)
25 , indexClickedTab_(-1)
26 , tabFixed_(false)
27 {
28 setObjectName("tabBar_");
29 setFocusPolicy(Qt::NoFocus);
30 setDocumentMode(true);
31 setMouseTracking(true);
32 setExpanding(false);
33 setMovable(true);
34 setElideMode(Qt::ElideNone);
35 setIconSize(QSize(0, 0));
36 setContextMenuPolicy(Qt::CustomContextMenu);
37
38 setStyleSheet(QString("#tabBar_ QToolButton {border: 1px solid %1; border-radius: 2px; background: %2;}").
39 arg(qApp->palette().color(QPalette::Dark).name()).
40 arg(palette().background().color().name()));
41
42 addTab("");
43
44 connect(this, SIGNAL(customContextMenuRequested(QPoint)),
45 this, SLOT(showContextMenuTabBar(const QPoint &)));
46
47 installEventFilter(this);
48 }
49
eventFilter(QObject * obj,QEvent * event)50 bool TabBar::eventFilter(QObject *obj, QEvent *event)
51 {
52 if (event->type() == QEvent::MouseButtonPress) {
53 QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
54 if (tabAt(mouseEvent->pos()) < 0)
55 return false;
56 if (mouseEvent->button() & Qt::MiddleButton) {
57 emit closeTab(tabAt(mouseEvent->pos()));
58 } else if (mouseEvent->button() & Qt::LeftButton) {
59 if (tabAt(QPoint(mouseEvent->pos().x(), 0)) == 0)
60 tabFixed_ = true;
61 else
62 tabFixed_ = false;
63 }
64 } else if (event->type() == QEvent::MouseMove) {
65 QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
66 if (mouseEvent->buttons() & Qt::LeftButton) {
67 if ((tabAt(QPoint(mouseEvent->pos().x()-78, 0)) <= 0) || tabFixed_)
68 return true;
69 }
70 }
71
72 return QTabBar::eventFilter(obj, event);
73 }
74
showContextMenuTabBar(const QPoint & pos)75 void TabBar::showContextMenuTabBar(const QPoint &pos)
76 {
77 indexClickedTab_ = tabAt(pos);
78
79 if (indexClickedTab_ == -1) return;
80
81 QMenu menu;
82 menu.addAction(mainApp->mainWindow()->closeTabAct_);
83 menu.addAction(mainApp->mainWindow()->closeOtherTabsAct_);
84 menu.addAction(mainApp->mainWindow()->closeAllTabsAct_);
85
86 menu.exec(mapToGlobal(pos));
87
88 indexClickedTab_ = -1;
89 }
90
slotCloseTab()91 void TabBar::slotCloseTab()
92 {
93 int index = indexClickedTab_;
94 if (index == -1) index = currentIndex();
95
96 emit closeTab(index);
97 }
98
slotCloseOtherTabs()99 void TabBar::slotCloseOtherTabs()
100 {
101 int index = indexClickedTab_;
102 int curIndex = -1;
103 if (index == -1) index = currentIndex();
104 else {
105 if (indexClickedTab_ > currentIndex()) {
106 curIndex = currentIndex();
107 } else if (indexClickedTab_ < currentIndex()){
108 curIndex = indexClickedTab_ + 1;
109 }
110 }
111
112 closingTabState_ = CloseTabOtherIndex;
113 for (int i = count()-1; i > 0; i--) {
114 if (i == index) continue;
115 if (i == curIndex) closingTabState_ = CloseTabCurrentIndex;
116 else closingTabState_ = CloseTabOtherIndex;
117
118 emit closeTab(i);
119 }
120 closingTabState_ = CloseTabIdle;
121 }
122
slotCloseAllTab()123 void TabBar::slotCloseAllTab()
124 {
125 closingTabState_ = CloseTabOtherIndex;
126 for (int i = count()-1; i > 0; i--) {
127 if (i == 1) closingTabState_ = CloseTabCurrentIndex;
128
129 emit closeTab(i);
130 }
131 closingTabState_ = CloseTabIdle;
132 }
133
slotNextTab()134 void TabBar::slotNextTab()
135 {
136 setCurrentIndex(currentIndex()+1);
137 }
138
slotPrevTab()139 void TabBar::slotPrevTab()
140 {
141 setCurrentIndex(currentIndex()-1);
142 }
143