blob: 44425bc9320754045e11657a0ac051122dd433af (
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
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
|
/*
* SPDX-FileCopyrightText: 2006-2009 Peter Penz <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef INFORMATIONPANEL_H
#define INFORMATIONPANEL_H
#include "panels/panel.h"
#include <KFileItem>
class InformationPanelContent;
namespace KIO
{
class Job;
}
/**
* @brief Panel for showing meta information of one ore more selected items.
*/
class InformationPanel : public Panel
{
Q_OBJECT
public:
explicit InformationPanel(QWidget *parent = nullptr);
~InformationPanel() override;
/**
* Refreshes the view to get synchronized with the settings (e.g. icons size,
* font, ...).
*/
void readSettings() override;
Q_SIGNALS:
void urlActivated(const QUrl &url);
public Q_SLOTS:
/**
* This is invoked to inform the panel that the user has selected a new
* set of items.
*/
void setSelection(const KFileItemList &selection);
/**
* Does a delayed request of information for the item \a item.
* If within this delay InformationPanel::setUrl() or InformationPanel::setSelection()
* are invoked, then the request will be skipped. Requesting a delayed item information
* makes sense when hovering items.
*/
void requestDelayedItemInfo(const KFileItem &item);
void slotFilesItemChanged(const KFileItemList &changedFileItems);
protected:
/** @see Panel::urlChanged() */
bool urlChanged() override;
/** @see QWidget::showEvent() */
void showEvent(QShowEvent *event) override;
/** @see QWidget::resizeEvent() */
void resizeEvent(QResizeEvent *event) override;
/** @see QWidget::contextMenuEvent() */
void contextMenuEvent(QContextMenuEvent *event) override;
private Q_SLOTS:
/**
* Shows the information for the item of the URL which has been provided by
* InformationPanel::requestDelayedItemInfo() and provides default actions.
*/
void showItemInfo();
/**
* Shows the information for the currently displayed folder as a result from
* a stat job issued in showItemInfo().
*/
void slotFolderStatFinished(KJob *job);
/**
* Triggered if the request for item information has timed out.
* @see InformationPanel::requestDelayedItemInfo()
*/
void slotInfoTimeout();
/**
* Resets the information panel to show the current
* URL (InformationPanel::url()). Is called by
* DolphinInformationPanel::markUrlAsInvalid().
*/
void reset();
void slotFileRenamed(const QString &source, const QString &dest);
void slotFilesAdded(const QString &directory);
void slotFilesChanged(const QStringList &files);
void slotFilesRemoved(const QStringList &files);
void slotEnteredDirectory(const QString &directory);
void slotLeftDirectory(const QString &directory);
private:
/** Assures that any pending item information request is cancelled. */
void cancelRequest();
/**
* Returns true, if \a url is equal to the shown URL m_shownUrl.
*/
bool isEqualToShownUrl(const QUrl &url) const;
/**
* Marks the URL as invalid and will reset the Information Panel
* after a short delay. The reset is not done synchronously to
* prevent expensive updates during temporary invalid URLs by
* e. g. changing the directory.
*/
void markUrlAsInvalid();
/**
* Opens a menu which allows to configure which meta information
* should be shown.
*/
void showContextMenu(const QPoint &point);
void init();
private:
bool m_initialized;
QTimer *m_infoTimer;
QTimer *m_urlChangedTimer;
QTimer *m_resetUrlTimer;
// URL that is currently shown in the Information Panel.
QUrl m_shownUrl;
// URL candidate that will replace m_shownURL after a delay.
// Used to remember URLs when hovering items.
QUrl m_urlCandidate;
// URL candidate that is marked as invalid (e. g. because the directory
// has been deleted or the shown item has been renamed). The Information
// Panel will be reset asynchronously to prevent unnecessary resets when
// a directory has been changed.
QUrl m_invalidUrlCandidate;
KFileItem m_hoveredItem;
KFileItemList m_selection;
bool m_isSelectionActive = false;
KIO::Job *m_folderStatJob;
InformationPanelContent *m_content;
bool m_inConfigurationMode = false;
};
#endif // INFORMATIONPANEL_H
|
