Differential D3472 Diff 8541 src/decorationtabgroup.cpp

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src/decorationtabgroup.cpp

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1​/*
2​ * Copyright 2016 Chinmoy Ranjan Pradhan <chinmoyrp65@gmail.com>
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Please add copyright header

graesslin: Please add copyright header
3​ *
4​ * This library is free software; you can redistribute it and/or
5​ * modify it under the terms of the GNU Lesser General Public
6​ * License as published by the Free Software Foundation; either
7​ * version 2.1 of the License, or (at your option) version 3, or any
8​ * later version accepted by the membership of KDE e.V. (or its
9​ * successor approved by the membership of KDE e.V.), which shall
10​ * act as a proxy defined in Section 6 of version 3 of the license.
11​ *
12​ * This library is distributed in the hope that it will be useful,
13​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
14​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15​ * Lesser General Public License for more details.
16​ *
17​ * You should have received a copy of the GNU Lesser General Public
18​ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
19​ */
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coding style: white spaces

graesslin: coding style: white spaces
20​
21​#include "decoration.h"
22​#include "decoration_p.h"
23​#include "decoratedclient.h"
24​#include "decorationtab.h"
25​#include "decorationtabgroup.h"
26​#include "decorationtabgroup_p.h"
27​
28​#include <QHoverEvent>
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coding style: white spaces

graesslin: coding style: white spaces
29​
30​namespace KDecoration2
31​{
32​
33​DecorationTabGroup::Private::Private(Decoration *decoration, DecorationTabGroup *parent)
34​ : deco(decoration)
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coding style: add whitespaces

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35​ , needTabs(false)
36​ , mouseButtonPressed(false)
37​ , tab(NULL)
38​ , q(parent)
39​{
40​}
41​
42​DecorationTabGroup::Private::~Private() = default;
43​
44​QPointer<Decoration> DecorationTabGroup::Private::decoration() const
45​{
46​ return deco;
47​}
48​
49​QList<QPointer<DecoratedClient>> DecorationTabGroup::Private::getClientList() const
50​{
51​ return decoration()->client().data()->clients();
52​}
53​
54​QPointer<DecorationTab> DecorationTabGroup::Private::tabAt(const QPointF &pos) const
55​{
56​ auto it = windowTabs.begin();
57​ while (it != windowTabs.end()) {
58​ const QRectF tabRect((*it)->geometry());
59​ if (tabRect.contains(pos)) {
60​ return *it;
61​ }
62​ it++;
63​ }
64​ return nullptr;
65​}
66​
67​bool DecorationTabGroup::Private::isTabDragOp(Qt::MouseButtons btn) const
68​{
69​ return decoration()->client().data()->isTabDragOp(btn);
70​}
71​
72​bool DecorationTabGroup::Private::isOperationsOp(Qt::MouseButtons btn) const
73​{
74​ return decoration()->client().data()->isOperationsOp(btn);
75​}
76​
77​DecorationTabGroup::DecorationTabGroup(Decoration *parent)
78​ :QObject(parent)
79​ ,d(new Private(parent,this))
80​{
81​ d->decoration()->d->setTabGroup(this);
82​ DecoratedClient *c = parent->client().data();
83​ connect(c, &DecoratedClient::tabGroupNeedsUpdate, this,
84​ [this]() {
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why do you go through the DecoratedClient? You have the d->windowTabs you can derive the number from?

graesslin: why do you go through the DecoratedClient? You have the d->windowTabs you can derive the number…
85​ setNeedTabs(count()!=0);
86​ }
87​ );
88​}
89​
90​DecorationTabGroup::~DecorationTabGroup() = default;
91​
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missing white space

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92​
93​QRectF DecorationTabGroup::geometry() const
94​{
95​ return d->geometry;
96​}
97​
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please use {}

graesslin: please use {}
98​void DecorationTabGroup::setGeometry(const QRectF &geom)
99​{
100​ if (d->geometry == geom) {
101​ return;
102​ }
103​ d->geometry = geom;
104​}
105​
106​bool DecorationTabGroup::needTabs() const
107​{
108​ return d->needTabs;
109​}
110​
111​void DecorationTabGroup::setNeedTabs(bool set)
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const

graesslin: const
112​{
113​ if (d->needTabs == set) {
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constBegin and constEnd

graesslin: constBegin and constEnd
114​ return;
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whitespaces

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const

graesslin: const
115​ }
116​ d->needTabs = set;
117​}
118​
119​bool DecorationTabGroup::isButtonPressed() const
120​{
121​ return d->mouseButtonPressed;
122​}
123​
124​int DecorationTabGroup::count() const
125​{
126​ auto c = d->decoration()->client().data();
127​ return c->tabCount();
128​}
129​
130​void DecorationTabGroup::createDecorationTab(std::function<DecorationTab*(DecoratedClient*, QObject*)> tabCreator)
131​{
132​ // for every update empty the tab container and then (again) fetch the client list
133​
134​ if (!d->windowTabs.isEmpty()) {
135​ qDeleteAll(d->windowTabs);
136​ d->windowTabs.clear();
137​ }
138​
139​ if (!needTabs()) {
140​ return;
141​ }
142​
143​ d->clients = d->getClientList();
144​ for (int i=0; i<d->clients.size(); i++) {
145​ DecorationTab *tab = tabCreator(d->clients.at(i), this);
146​ d->windowTabs.push_back(tab);
147​ }
148​ layoutTabs(); //set tabs' geometry
149​}
150​
151​void DecorationTabGroup::layoutTabs()
152​{
153​ int i = 0;
154​ const QSizeF size = geometry().size();
155​ int tabWidth = size.width()/count();
156​ auto it = d->windowTabs.constBegin();
157​ while (it != d->windowTabs.constEnd()) {
158​ const QRectF tabGeom(geometry().x() + i*tabWidth, 0, tabWidth, size.height());
159​ (*it)->setGeometry(tabGeom);
160​ it++;
161​ i++;
162​ }
163​}
164​
165​void DecorationTabGroup::paint(QPainter *painter, const QRect &repaintArea)
166​{
167​ const auto &tabs = d->windowTabs;
168​ for (auto tab: tabs) {
169​ tab->paint(painter, repaintArea);
170​ }
171​}
172​
173​bool DecorationTabGroup::event(QEvent *event)
174​{
175​ switch (event->type()) {
176​ case QEvent::HoverEnter:
177​ hoverEnterEvent(static_cast<QHoverEvent*>(event));
178​ return true;
179​ case QEvent::HoverLeave:
180​ hoverLeaveEvent(static_cast<QHoverEvent*>(event));
181​ return true;
182​ case QEvent::HoverMove:
183​ hoverMoveEvent(static_cast<QHoverEvent*>(event));
184​ return true;
185​ case QEvent::MouseButtonPress:
186​ mousePressEvent(static_cast<QMouseEvent*>(event));
187​ return true;
188​ case QEvent::MouseButtonRelease:
189​ mouseReleaseEvent(static_cast<QMouseEvent*>(event));
190​ return true;
191​ case QEvent::MouseMove:
192​ mouseMoveEvent(static_cast<QMouseEvent*>(event));
193​ return true;
194​ default:
195​ return QObject::event(event);
196​ }
197​}
198​
199​void DecorationTabGroup::hoverEnterEvent(QHoverEvent *event)
200​{
201​ Q_UNUSED(event);
202​}
203​
204​void DecorationTabGroup::hoverLeaveEvent(QHoverEvent *event)
205​{
206​ Q_UNUSED(event);
207​}
208​
209​void DecorationTabGroup::hoverMoveEvent(QHoverEvent *event)
210​{
211​ Q_UNUSED(event);
212​}
213​
214​void DecorationTabGroup::mouseMoveEvent(QMouseEvent *event)
215​{
216​ Q_UNUSED(event);
217​}
218​
219​void DecorationTabGroup::mousePressEvent(QMouseEvent *event)
220​{
221​ bool accepted = false;
222​ d->btn = event->button();
223​ d->mouseButtonPressed = true;
224​ d->tab = d->tabAt(event->pos());
225​
226​ if (d->isTabDragOp(d->btn)) {
227​ accepted = true;
228​
229​ } else if (d->isOperationsOp(d->btn)) {
230​ if (d->tab) {
231​ d->tab->client()->decoration()->requestShowWindowMenu();
232​ } else {
233​ d->decoration()->requestShowWindowMenu();
234​ }
235​ accepted = true;
236​
237​ }
238​ event->setAccepted(accepted);
239​}
240​
241​void DecorationTabGroup::mouseReleaseEvent(QMouseEvent *event)
242​{
243​ bool accepted = false;
244​ if (d->btn == event->button() && !d->isOperationsOp(d->btn)) {
245​ if (d->tab) {
246​ if (!d->tab->client()->isActive()) {
247​ d->tab->client()->activate();
248​ accepted = true;
249​ }
250​ }
251​ }
252​ d->btn = Qt::NoButton;
253​ d->mouseButtonPressed = false;
254​ event->setAccepted(accepted);
255​}
256​
257​}