blob: d84832dab63a608bf9b7631afa2e68f947b2967b (
plain)
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
|
/*
* SPDX-FileCopyrightText: 2012 Peter Penz <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KITEMLISTHEADER_H
#define KITEMLISTHEADER_H
#include "dolphin_export.h"
#include <QHash>
#include <QObject>
class KItemListHeaderWidget;
class KItemListView;
/**
* @brief Provides access to the header of a KItemListView.
*
* Each column of the header represents a visible role
* accessible by KItemListView::visibleRoles().
*/
class DOLPHIN_EXPORT KItemListHeader : public QObject
{
Q_OBJECT
public:
~KItemListHeader() override;
/**
* If set to true, KItemListView will automatically adjust the
* widths of the columns. If set to false, the size can be
* manually adjusted by KItemListHeader::setColumnWidth().
*/
void setAutomaticColumnResizing(bool automatic);
bool automaticColumnResizing() const;
/**
* Sets the width of the column for the given role. Note that
* the width only gets applied if KItemListHeader::automaticColumnResizing()
* has been turned off.
*/
void setColumnWidth(const QByteArray &role, qreal width);
qreal columnWidth(const QByteArray &role) const;
/**
* Sets the widths of the columns for all roles. From a performance point of
* view calling this method should be preferred over several setColumnWidth()
* calls in case if the width of more than one column should be changed.
* Note that the widths only get applied if KItemListHeader::automaticColumnResizing()
* has been turned off.
*/
void setColumnWidths(const QHash<QByteArray, qreal> &columnWidths);
/**
* @return The column width that is required to show the role unclipped.
*/
qreal preferredColumnWidth(const QByteArray &role) const;
/**
* Sets the widths of the columns *before* the first column and *after* the last column.
* This is intended to facilitate an empty region for deselection in the main viewport.
*/
void setSidePadding(qreal leftPaddingWidth, qreal rightPaddingWidth);
qreal leftPadding() const;
qreal rightPadding() const;
Q_SIGNALS:
void sidePaddingChanged(qreal leftPaddingWidth, qreal rightPaddingWidth);
/**
* Is emitted if the width of a column has been adjusted by the user with the mouse
* (no signal is emitted if KItemListHeader::setColumnWidth() is invoked).
*/
void columnWidthChanged(const QByteArray &role, qreal currentWidth, qreal previousWidth);
/**
* Is emitted if the user has released the mouse button after adjusting the
* width of a visible role.
*/
void columnWidthChangeFinished(const QByteArray &role, qreal currentWidth);
private:
explicit KItemListHeader(KItemListView *listView);
private:
KItemListView *m_view;
KItemListHeaderWidget *m_headerWidget;
friend class KItemListView; // Constructs the KItemListHeader instance
};
#endif
|
