19144422256

Committed 06 Nov 2025 05:33PM UTC coverage: 34.256% (-0.1%) from 34.358%

Build # 19144422256

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push

github

Committed by

mcallegari

Commit Message

Back to 5.1.0 debug

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50.0

/ui/src/flowlayout.cpp

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QWidget>

#include "flowlayout.h"
//! [1]
FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)
    : QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)
{
    setContentsMargins(margin, margin, margin, margin);
}

FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing)
    : m_hSpace(hSpacing), m_vSpace(vSpacing)
{
    setContentsMargins(margin, margin, margin, margin);
}
//! [1]

//! [2]
FlowLayout::~FlowLayout()
{
    QLayoutItem *item;
    while ((item = takeAt(0)))
        delete item;
}
//! [2]

//! [3]
void FlowLayout::addItem(QLayoutItem *item)
{
    itemList.append(item);
}
//! [3]

//! [4]
int FlowLayout::horizontalSpacing() const
{
    if (m_hSpace >= 0) {
        return m_hSpace;
    } else {
        return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
    }
}

int FlowLayout::verticalSpacing() const
{
    if (m_vSpace >= 0) {
        return m_vSpace;
    } else {
        return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
    }
}
//! [4]

//! [5]
int FlowLayout::count() const
{
    return itemList.size();
}

QLayoutItem *FlowLayout::itemAt(int index) const
{
    return itemList.value(index);
}

QLayoutItem *FlowLayout::takeAt(int index)
{
    if (index >= 0 && index < itemList.size())
        return itemList.takeAt(index);
    else
        return 0;
}
//! [5]

//! [6]
Qt::Orientations FlowLayout::expandingDirections() const
{
    return Qt::Horizontal;
}
//! [6]

//! [7]
bool FlowLayout::hasHeightForWidth() const
{
    return true;
}

int FlowLayout::heightForWidth(int width) const
{
    int height = doLayout(QRect(0, 0, width, 0), true);
    return height;
}
//! [7]

//! [8]
void FlowLayout::setGeometry(const QRect &rect)
{
    QLayout::setGeometry(rect);
    doLayout(rect, false);
}

QSize FlowLayout::sizeHint() const
{
    return minimumSize();
}

QSize FlowLayout::minimumSize() const
{
    QSize size;
    QLayoutItem *item;

    foreach (item, itemList)
        size = size.expandedTo(item->minimumSize());

    size += QSize(2 * contentsMargins().left(), 2 * contentsMargins().top());
    return size;
}
//! [8]

//! [9]
int FlowLayout::doLayout(const QRect &rect, bool testOnly) const
{
    int left, top, right, bottom;
    getContentsMargins(&left, &top, &right, &bottom);
    QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
    int x = effectiveRect.x();
    int y = effectiveRect.y();
    int lineHeight = 0;
//! [9]

//! [10]
    QLayoutItem *item;
    foreach (item, itemList) {
        QWidget *wid = item->widget();
        int spaceX = horizontalSpacing();
        if (spaceX == -1)
            spaceX = wid->style()->layoutSpacing(
                QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
        int spaceY = verticalSpacing();
        if (spaceY == -1)
            spaceY = wid->style()->layoutSpacing(
                QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
//! [10]
//! [11]
        int nextX = x + item->sizeHint().width() + spaceX;
        if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
            x = effectiveRect.x();
            y = y + lineHeight + spaceY;
            nextX = x + item->sizeHint().width() + spaceX;
            lineHeight = 0;
        }

        if (!testOnly)
            item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));

        x = nextX;
        lineHeight = qMax(lineHeight, item->sizeHint().height());
    }
    return y + lineHeight - rect.y() + bottom;
}
//! [11]
//! [12]
int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
{
    QObject *parent = this->parent();
    if (!parent) {
        return -1;
    } else if (parent->isWidgetType()) {
        QWidget *pw = static_cast<QWidget *>(parent);
        return pw->style()->pixelMetric(pm, 0, pw);
    } else {
        return static_cast<QLayout *>(parent)->spacing();
    }
}
//! [12]

1	/****************************************************************************
2	**
3	** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
4	** Contact: http://www.qt-project.org/legal
5	**
6	** This file is part of the examples of the Qt Toolkit.
7	**
8	** $QT_BEGIN_LICENSE:BSD$
9	** You may use this file under the terms of the BSD license as follows:
10	**
11	** "Redistribution and use in source and binary forms, with or without
12	** modification, are permitted provided that the following conditions are
13	** met:
14	** * Redistributions of source code must retain the above copyright
15	** notice, this list of conditions and the following disclaimer.
16	** * Redistributions in binary form must reproduce the above copyright
17	** notice, this list of conditions and the following disclaimer in
18	** the documentation and/or other materials provided with the
19	** distribution.
20	** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
21	** of its contributors may be used to endorse or promote products derived
22	** from this software without specific prior written permission.
23	**
24	**
25	** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26	** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27	** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28	** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29	** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30	** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31	** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32	** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33	** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34	** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35	** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36	**
37	** $QT_END_LICENSE$
38	**
39	****************************************************************************/
40
41	#include <QWidget>
42
43	#include "flowlayout.h"
44	//! [1]
45	FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)	×
46	: QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)	×
47	{
48	setContentsMargins(margin, margin, margin, margin);	×
49	}	×
50
51	FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing)	9✔
52	: m_hSpace(hSpacing), m_vSpace(vSpacing)	9✔
53	{
54	setContentsMargins(margin, margin, margin, margin);	9✔
55	}	9✔
56	//! [1]
57
58	//! [2]
59	FlowLayout::~FlowLayout()	18✔
60	{
61	QLayoutItem *item;
62	while ((item = takeAt(0)))	9✔
63	delete item;	×
64	}	18✔
65	//! [2]
66
67	//! [3]
68	void FlowLayout::addItem(QLayoutItem *item)	×
69	{
70	itemList.append(item);	×
71	}	×
72	//! [3]
73
74	//! [4]
75	int FlowLayout::horizontalSpacing() const	×
76	{
77	if (m_hSpace >= 0) {	×
78	return m_hSpace;	×
79	} else {
80	return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);	×
81	}
82	}
83
84	int FlowLayout::verticalSpacing() const	×
85	{
86	if (m_vSpace >= 0) {	×
87	return m_vSpace;	×
88	} else {
89	return smartSpacing(QStyle::PM_LayoutVerticalSpacing);	×
90	}
91	}
92	//! [4]
93
94	//! [5]
95	int FlowLayout::count() const	9✔
96	{
97	return itemList.size();	9✔
98	}
99
100	QLayoutItem *FlowLayout::itemAt(int index) const	21✔
101	{
102	return itemList.value(index);	21✔
103	}
104
105	QLayoutItem *FlowLayout::takeAt(int index)	9✔
106	{
107	if (index >= 0 && index < itemList.size())	9✔
108	return itemList.takeAt(index);	×
109	else
110	return 0;	9✔
111	}
112	//! [5]
113
114	//! [6]
115	Qt::Orientations FlowLayout::expandingDirections() const	7✔
116	{
117	return Qt::Horizontal;	7✔
118	}
119	//! [6]
120
121	//! [7]
122	bool FlowLayout::hasHeightForWidth() const	14✔
123	{
124	return true;	14✔
125	}
126
127	int FlowLayout::heightForWidth(int width) const	7✔
128	{
129	int height = doLayout(QRect(0, 0, width, 0), true);	7✔
130	return height;	7✔
131	}
132	//! [7]
133
134	//! [8]
135	void FlowLayout::setGeometry(const QRect &rect)	7✔
136	{
137	QLayout::setGeometry(rect);	7✔
138	doLayout(rect, false);	7✔
139	}	7✔
140
141	QSize FlowLayout::sizeHint() const	7✔
142	{
143	return minimumSize();	7✔
144	}
145
146	QSize FlowLayout::minimumSize() const	21✔
147	{
148	QSize size;	21✔
149	QLayoutItem *item;
150
151	foreach (item, itemList)	21✔
152	size = size.expandedTo(item->minimumSize());	21✔
153
154	size += QSize(2 * contentsMargins().left(), 2 * contentsMargins().top());	21✔
155	return size;	21✔
156	}
157	//! [8]
158
159	//! [9]
160	int FlowLayout::doLayout(const QRect &rect, bool testOnly) const	14✔
161	{
162	int left, top, right, bottom;
163	getContentsMargins(&left, &top, &right, &bottom);	14✔
164	QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);	14✔
165	int x = effectiveRect.x();	14✔
166	int y = effectiveRect.y();	14✔
167	int lineHeight = 0;	14✔
168	//! [9]
169
170	//! [10]
171	QLayoutItem *item;
172	foreach (item, itemList) {	14✔
173	QWidget *wid = item->widget();	×
174	int spaceX = horizontalSpacing();	×
175	if (spaceX == -1)	×
176	spaceX = wid->style()->layoutSpacing(	×
177	QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
178	int spaceY = verticalSpacing();	×
179	if (spaceY == -1)	×
180	spaceY = wid->style()->layoutSpacing(	×
181	QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
182	//! [10]
183	//! [11]
184	int nextX = x + item->sizeHint().width() + spaceX;	×
185	if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {	×
186	x = effectiveRect.x();	×
187	y = y + lineHeight + spaceY;	×
188	nextX = x + item->sizeHint().width() + spaceX;	×
189	lineHeight = 0;	×
190	}
191
192	if (!testOnly)	×
193	item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));	×
194
195	x = nextX;	×
196	lineHeight = qMax(lineHeight, item->sizeHint().height());	×
197	}	14✔
198	return y + lineHeight - rect.y() + bottom;	14✔
199	}
200	//! [11]
201	//! [12]
202	int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const	×
203	{
204	QObject *parent = this->parent();	×
205	if (!parent) {	×
206	return -1;	×
207	} else if (parent->isWidgetType()) {	×
208	QWidget pw = static_cast<QWidget >(parent);	×
209	return pw->style()->pixelMetric(pm, 0, pw);	×
210	} else {
211	return static_cast<QLayout *>(parent)->spacing();	×
212	}
213	}
214	//! [12]

mcallegari / qlcplus / 19144422256

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