1
=== modified file 'qml/Dash/Previews/Preview.qml'
2
--- qml/Dash/Previews/Preview.qml	2016-06-27 18:41:15 +0000
3
+++ qml/Dash/Previews/Preview.qml	2016-10-14 14:58:15 +0000
4
@@ -56,11 +56,12 @@
5
56
    Row {
56
    Row {
6
57
        id: row
57
        id: row
7
58
58
10
59
        spacing: units.gu(1)
59
        spacing: units.gu(4)
11
60
        anchors { fill: parent; margins: spacing }
60
        anchors.fill: parent
12
61
61
15
62
        property int columns: width >= units.gu(80) ? 2 : 1
62
        readonly property int columns: width >= units.gu(80) ? 2 : 1
16
63
        property real columnWidth: width / columns
63
        readonly property real columnWidth: (width - (spacing * (columns - 1))) / columns
17
64
        readonly property int singleColumnMargin: units.gu(2)
18
64
65
19
65
        Repeater {
66
        Repeater {
20
66
            model: previewModel
67
            model: previewModel
21
@@ -72,8 +73,11 @@
22
72
                    top: parent.top
73
                    top: parent.top
23
73
                    bottom: parent.bottom
74
                    bottom: parent.bottom
24
74
                }
75
                }
25
76
                topMargin: units.gu(2)
26
75
                width: row.columnWidth
77
                width: row.columnWidth
28
76
                spacing: row.spacing
78
                spacing: units.gu(1)
29
79
30
80
                readonly property int columnNumber: index
31
77
81
32
78
                ListViewOSKScroller {
82
                ListViewOSKScroller {
33
79
                    id: oskScroller
83
                    id: oskScroller
34
@@ -96,8 +100,16 @@
35
96
                    anchors {
100
                    anchors {
36
97
                        left: parent.left
101
                        left: parent.left
37
98
                        right: parent.right
102
                        right: parent.right
40
99
                        leftMargin: widgetMargins
103
                        leftMargin: if (row.columns == 1) {
41
100
                        rightMargin: widgetMargins
104
                                        return singleColumnMarginless ? 0 : row.singleColumnMargin;
42
105
                                    } else {
43
106
                                        return column.columnNumber == 0 ? row.singleColumnMargin : 0;
44
107
                                    }
45
108
                        rightMargin: if (row.columns == 1) {
46
109
                                        return singleColumnMarginless ? 0 : row.singleColumnMargin;
47
110
                                    } else {
48
111
                                        return column.columnNumber == 1 ? row.singleColumnMargin : 0;
49
112
                                    }
50
101
                    }
113
                    }
51
102
114
52
103
                    onTriggered: {
115
                    onTriggered: {
53
104
116
54
=== modified file 'qml/Dash/Previews/PreviewInlineVideo.qml'
55
--- qml/Dash/Previews/PreviewInlineVideo.qml	2016-07-27 14:25:44 +0000
56
+++ qml/Dash/Previews/PreviewInlineVideo.qml	2016-10-14 14:58:15 +0000
57
@@ -33,7 +33,7 @@
58
33
    implicitWidth: units.gu(35)
33
    implicitWidth: units.gu(35)
59
34
    implicitHeight: services.height
34
    implicitHeight: services.height
60
35
35
62
36
    widgetMargins: -units.gu(1)
36
    singleColumnMarginless: true
63
37
    orientationLock: services.fullscreen
37
    orientationLock: services.fullscreen
64
38
38
65
39
    property alias rootItem: services.rootItem
39
    property alias rootItem: services.rootItem
66
40
40
67
=== modified file 'qml/Dash/Previews/PreviewVideoPlayback.qml'
68
--- qml/Dash/Previews/PreviewVideoPlayback.qml	2016-05-03 09:45:41 +0000
69
+++ qml/Dash/Previews/PreviewVideoPlayback.qml	2016-10-14 14:58:15 +0000
70
@@ -30,7 +30,7 @@
71
30
    implicitWidth: units.gu(35)
30
    implicitWidth: units.gu(35)
72
31
    implicitHeight: childrenRect.height
31
    implicitHeight: childrenRect.height
73
32
32
75
33
    widgetMargins: -units.gu(1)
33
    singleColumnMarginless: true
76
34
34
77
35
    LazyImage {
35
    LazyImage {
78
36
        objectName: "screenshot"
36
        objectName: "screenshot"
79
37
37
80
=== modified file 'qml/Dash/Previews/PreviewWidget.qml'
81
--- qml/Dash/Previews/PreviewWidget.qml	2016-06-01 16:05:12 +0000
82
+++ qml/Dash/Previews/PreviewWidget.qml	2016-10-14 14:58:15 +0000
83
@@ -34,8 +34,8 @@
84
34
    //! Should the orientation be locked
34
    //! Should the orientation be locked
85
35
    property bool orientationLock: false
35
    property bool orientationLock: false
86
36
36
89
37
    //! Set margins width.
37
    //! Should it have margins when on a single columns?
90
38
    property real widgetMargins: units.gu(1)
38
    property bool singleColumnMarginless: false
91
39
39
92
40
    /// The parent (vertical) flickable this widget is in (if any)
40
    /// The parent (vertical) flickable this widget is in (if any)
93
41
    property var parentFlickable: null
41
    property var parentFlickable: null
94
42
42
95
=== modified file 'qml/Dash/Previews/PreviewWidgetFactory.qml'
96
--- qml/Dash/Previews/PreviewWidgetFactory.qml	2016-06-09 14:45:57 +0000
97
+++ qml/Dash/Previews/PreviewWidgetFactory.qml	2016-10-14 14:58:15 +0000
98
@@ -40,8 +40,8 @@
99
40
    //! Should the orientation be locked
40
    //! Should the orientation be locked
100
41
    readonly property bool orientationLock: status === Loader.Ready ? item.orientationLock : false
41
    readonly property bool orientationLock: status === Loader.Ready ? item.orientationLock : false
101
42
42
104
43
    //! Set margins width.
43
    //! Should it have margins when on a single columns?
105
44
    property real widgetMargins: status === Loader.Ready ? item.widgetMargins : units.gu(1)
44
    readonly property bool singleColumnMarginless: status === Loader.Ready ? item.singleColumnMarginless : false
106
45
45
107
46
    /// The parent (vertical) flickable this widget is in (if any)
46
    /// The parent (vertical) flickable this widget is in (if any)
108
47
    property var parentFlickable: null
47
    property var parentFlickable: null
109
48
48
110
=== modified file 'qml/Dash/Previews/PreviewZoomableImage.qml'
111
--- qml/Dash/Previews/PreviewZoomableImage.qml	2016-06-01 16:05:12 +0000
112
+++ qml/Dash/Previews/PreviewZoomableImage.qml	2016-10-14 14:58:15 +0000
113
@@ -30,7 +30,7 @@
114
30
    implicitWidth: units.gu(35)
30
    implicitWidth: units.gu(35)
115
31
    implicitHeight: lazyImage.height
31
    implicitHeight: lazyImage.height
116
32
32
118
33
    widgetMargins: -units.gu(1)
33
    singleColumnMarginless: true
119
34
    orientationLock: overlay.visible
34
    orientationLock: overlay.visible
120
35
35
121
36
    property Item rootItem: QuickUtils.rootItem(root)
36
    property Item rootItem: QuickUtils.rootItem(root)
122
37
37
123
=== modified file 'tests/mocks/Unity/fake_previewmodel.cpp'
124
--- tests/mocks/Unity/fake_previewmodel.cpp	2016-05-26 12:52:24 +0000
125
+++ tests/mocks/Unity/fake_previewmodel.cpp	2016-10-14 14:58:15 +0000
126
@@ -34,22 +34,30 @@
127
34
 , m_loaded(true)
34
 , m_loaded(true)
128
35
 , m_scope(scope)
35
 , m_scope(scope)
129
36
{
36
{
133
37
    // we have one column by default
37
    setWidgetColumnCount(1);
131
38
    PreviewWidgetModel* columnModel = new PreviewWidgetModel(this);
132
39
    m_previewWidgetModels.append(columnModel);
134
40
    connect(this, &PreviewModel::triggered, this, &PreviewModel::triggeredSlot);
38
    connect(this, &PreviewModel::triggered, this, &PreviewModel::triggeredSlot);
135
41
}
39
}
136
42
40
137
43
void PreviewModel::setWidgetColumnCount(int count)
41
void PreviewModel::setWidgetColumnCount(int count)
138
44
{
42
{
141
45
    if (count != 1) {
43
    if (count != widgetColumnCount()) {
142
46
        qWarning("PreviewModel::setWidgetColumnCount != 1 not implemented");
44
        beginResetModel();
143
45
144
46
        m_previewWidgetModels.clear();
145
47
        for (int i = 0; i < count; ++i) {
146
48
            PreviewWidgetModel* columnModel = new PreviewWidgetModel(this);
147
49
            m_previewWidgetModels.append(columnModel);
148
50
        }
149
51
150
52
        endResetModel();
151
53
152
54
        Q_EMIT widgetColumnCountChanged();
153
47
    }
55
    }
154
48
}
56
}
155
49
57
156
50
int PreviewModel::widgetColumnCount() const
58
int PreviewModel::widgetColumnCount() const
157
51
{
59
{
159
52
    return 1;
60
    return m_previewWidgetModels.size();
160
53
}
61
}
161
54
62
162
55
bool PreviewModel::loaded() const
63
bool PreviewModel::loaded() const
163
@@ -64,7 +72,7 @@
164
64
72
165
65
int PreviewModel::rowCount(const QModelIndex&) const
73
int PreviewModel::rowCount(const QModelIndex&) const
166
66
{
74
{
168
67
    return m_previewWidgetModels.size();
75
    return widgetColumnCount();
169
68
}
76
}
170
69
77
171
70
QVariant PreviewModel::data(const QModelIndex& index, int role) const
78
QVariant PreviewModel::data(const QModelIndex& index, int role) const
172
71
79
173
=== modified file 'tests/mocks/Unity/fake_previewwidgetmodel.cpp'
174
--- tests/mocks/Unity/fake_previewwidgetmodel.cpp	2015-02-11 17:17:20 +0000
175
+++ tests/mocks/Unity/fake_previewwidgetmodel.cpp	2016-10-14 14:58:15 +0000
176
@@ -54,18 +54,26 @@
177
54
        m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
54
        m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
178
55
    }
55
    }
179
56
56
189
57
    QVariantMap attributes;
57
    {
190
58
    QVariantMap buttonData;
58
        QVariantMap attributes;
191
59
    buttonData["label"] = "Button";
59
        attributes["source"] = QVariant("qrc:///Unity/Application/screenshots/browser@12.png");
192
60
    buttonData["id"] = "open_click";
60
        PreviewData* preview_data = new PreviewData(QString("widget-22"), QString("image"), attributes);
193
61
    QVariantList buttons;
61
        m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
194
62
    buttons << buttonData << buttonData << buttonData;
62
    }
195
63
    attributes["actions"] = QVariant::fromValue(buttons);
63
196
64
    PreviewData* preview_data = new PreviewData(QString("widget-21"), QString("actions"), attributes);
64
    {
197
65
    m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
65
        QVariantMap attributes;
198
66
        QVariantMap buttonData;
199
67
        buttonData["label"] = "Button";
200
68
        buttonData["id"] = "open_click";
201
69
        QVariantList buttons;
202
70
        buttons << buttonData << buttonData << buttonData;
203
71
        attributes["actions"] = QVariant::fromValue(buttons);
204
72
        PreviewData* preview_data = new PreviewData(QString("widget-21"), QString("actions"), attributes);
205
73
        m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
206
74
    }
207
66
75
208
67
    endResetModel();
76
    endResetModel();
209
68
210
69
}
77
}
211
70
78
212
71
int PreviewWidgetModel::rowCount(const QModelIndex&) const
79
int PreviewWidgetModel::rowCount(const QModelIndex&) const
Status:	Merged
Approved by:	Andrea Cimitan on 2016-10-21
Approved revision:	2663
Merged at revision:	2679
Proposed branch:	lp:~aacid/unity8/addPaddingBetweenPreviewColumns
Merge into:	lp:unity8
Diff against target:	212 lines (+59/-31) 8 files modified qml/Dash/Previews/Preview.qml (+19/-7) qml/Dash/Previews/PreviewInlineVideo.qml (+1/-1) qml/Dash/Previews/PreviewVideoPlayback.qml (+1/-1) qml/Dash/Previews/PreviewWidget.qml (+2/-2) qml/Dash/Previews/PreviewWidgetFactory.qml (+2/-2) qml/Dash/Previews/PreviewZoomableImage.qml (+1/-1) tests/mocks/Unity/fake_previewmodel.cpp (+15/-7) tests/mocks/Unity/fake_previewwidgetmodel.cpp (+18/-10)
To merge this branch:	bzr merge lp:~aacid/unity8/addPaddingBetweenPreviewColumns
Related bugs:	Link a bug report
Reviewer	Review Type	Date Requested	Status
Andrea Cimitan (community)		2016-10-04	Approve on 2016-10-21
Unity8 CI Bot	continuous-integration		Approve on 2016-10-14
Review via email: mp+307594@code.launchpad.net
1	=== modified file 'qml/Dash/Previews/Preview.qml'
2	--- qml/Dash/Previews/Preview.qml 2016-06-27 18:41:15 +0000
3	+++ qml/Dash/Previews/Preview.qml 2016-10-14 14:58:15 +0000
4	@@ -56,11 +56,12 @@
5	56	Row {	56	Row {
6	57	id: row	57	id: row
7	58		58
10	59	spacing: units.gu(1)	59	spacing: units.gu(4)
11	60	anchors { fill: parent; margins: spacing }	60	anchors.fill: parent
12	61		61
15	62	property int columns: width >= units.gu(80) ? 2 : 1	62	readonly property int columns: width >= units.gu(80) ? 2 : 1
16	63	property real columnWidth: width / columns	63	readonly property real columnWidth: (width - (spacing * (columns - 1))) / columns
17			64	readonly property int singleColumnMargin: units.gu(2)
18	64		65
19	65	Repeater {	66	Repeater {
20	66	model: previewModel	67	model: previewModel
21	@@ -72,8 +73,11 @@
22	72	top: parent.top	73	top: parent.top
23	73	bottom: parent.bottom	74	bottom: parent.bottom
24	74	}	75	}
25			76	topMargin: units.gu(2)
26	75	width: row.columnWidth	77	width: row.columnWidth
28	76	spacing: row.spacing	78	spacing: units.gu(1)
29			79
30			80	readonly property int columnNumber: index
31	77		81
32	78	ListViewOSKScroller {	82	ListViewOSKScroller {
33	79	id: oskScroller	83	id: oskScroller
34	@@ -96,8 +100,16 @@
35	96	anchors {	100	anchors {
36	97	left: parent.left	101	left: parent.left
37	98	right: parent.right	102	right: parent.right
40	99	leftMargin: widgetMargins	103	leftMargin: if (row.columns == 1) {
41	100	rightMargin: widgetMargins	104	return singleColumnMarginless ? 0 : row.singleColumnMargin;
42			105	} else {
43			106	return column.columnNumber == 0 ? row.singleColumnMargin : 0;
44			107	}
45			108	rightMargin: if (row.columns == 1) {
46			109	return singleColumnMarginless ? 0 : row.singleColumnMargin;
47			110	} else {
48			111	return column.columnNumber == 1 ? row.singleColumnMargin : 0;
49			112	}
50	101	}	113	}
51	102		114
52	103	onTriggered: {	115	onTriggered: {
53	104		116
54	=== modified file 'qml/Dash/Previews/PreviewInlineVideo.qml'
55	--- qml/Dash/Previews/PreviewInlineVideo.qml 2016-07-27 14:25:44 +0000
56	+++ qml/Dash/Previews/PreviewInlineVideo.qml 2016-10-14 14:58:15 +0000
57	@@ -33,7 +33,7 @@
58	33	implicitWidth: units.gu(35)	33	implicitWidth: units.gu(35)
59	34	implicitHeight: services.height	34	implicitHeight: services.height
60	35		35
62	36	widgetMargins: -units.gu(1)	36	singleColumnMarginless: true
63	37	orientationLock: services.fullscreen	37	orientationLock: services.fullscreen
64	38		38
65	39	property alias rootItem: services.rootItem	39	property alias rootItem: services.rootItem
66	40		40
67	=== modified file 'qml/Dash/Previews/PreviewVideoPlayback.qml'
68	--- qml/Dash/Previews/PreviewVideoPlayback.qml 2016-05-03 09:45:41 +0000
69	+++ qml/Dash/Previews/PreviewVideoPlayback.qml 2016-10-14 14:58:15 +0000
70	@@ -30,7 +30,7 @@
71	30	implicitWidth: units.gu(35)	30	implicitWidth: units.gu(35)
72	31	implicitHeight: childrenRect.height	31	implicitHeight: childrenRect.height
73	32		32
75	33	widgetMargins: -units.gu(1)	33	singleColumnMarginless: true
76	34		34
77	35	LazyImage {	35	LazyImage {
78	36	objectName: "screenshot"	36	objectName: "screenshot"
79	37		37
80	=== modified file 'qml/Dash/Previews/PreviewWidget.qml'
81	--- qml/Dash/Previews/PreviewWidget.qml 2016-06-01 16:05:12 +0000
82	+++ qml/Dash/Previews/PreviewWidget.qml 2016-10-14 14:58:15 +0000
83	@@ -34,8 +34,8 @@
84	34	//! Should the orientation be locked	34	//! Should the orientation be locked
85	35	property bool orientationLock: false	35	property bool orientationLock: false
86	36		36
89	37	//! Set margins width.	37	//! Should it have margins when on a single columns?
90	38	property real widgetMargins: units.gu(1)	38	property bool singleColumnMarginless: false
91	39		39
92	40	/// The parent (vertical) flickable this widget is in (if any)	40	/// The parent (vertical) flickable this widget is in (if any)
93	41	property var parentFlickable: null	41	property var parentFlickable: null
94	42		42
95	=== modified file 'qml/Dash/Previews/PreviewWidgetFactory.qml'
96	--- qml/Dash/Previews/PreviewWidgetFactory.qml 2016-06-09 14:45:57 +0000
97	+++ qml/Dash/Previews/PreviewWidgetFactory.qml 2016-10-14 14:58:15 +0000
98	@@ -40,8 +40,8 @@
99	40	//! Should the orientation be locked	40	//! Should the orientation be locked
100	41	readonly property bool orientationLock: status === Loader.Ready ? item.orientationLock : false	41	readonly property bool orientationLock: status === Loader.Ready ? item.orientationLock : false
101	42		42
104	43	//! Set margins width.	43	//! Should it have margins when on a single columns?
105	44	property real widgetMargins: status === Loader.Ready ? item.widgetMargins : units.gu(1)	44	readonly property bool singleColumnMarginless: status === Loader.Ready ? item.singleColumnMarginless : false
106	45		45
107	46	/// The parent (vertical) flickable this widget is in (if any)	46	/// The parent (vertical) flickable this widget is in (if any)
108	47	property var parentFlickable: null	47	property var parentFlickable: null
109	48		48
110	=== modified file 'qml/Dash/Previews/PreviewZoomableImage.qml'
111	--- qml/Dash/Previews/PreviewZoomableImage.qml 2016-06-01 16:05:12 +0000
112	+++ qml/Dash/Previews/PreviewZoomableImage.qml 2016-10-14 14:58:15 +0000
113	@@ -30,7 +30,7 @@
114	30	implicitWidth: units.gu(35)	30	implicitWidth: units.gu(35)
115	31	implicitHeight: lazyImage.height	31	implicitHeight: lazyImage.height
116	32		32
118	33	widgetMargins: -units.gu(1)	33	singleColumnMarginless: true
119	34	orientationLock: overlay.visible	34	orientationLock: overlay.visible
120	35		35
121	36	property Item rootItem: QuickUtils.rootItem(root)	36	property Item rootItem: QuickUtils.rootItem(root)
122	37		37
123	=== modified file 'tests/mocks/Unity/fake_previewmodel.cpp'
124	--- tests/mocks/Unity/fake_previewmodel.cpp 2016-05-26 12:52:24 +0000
125	+++ tests/mocks/Unity/fake_previewmodel.cpp 2016-10-14 14:58:15 +0000
126	@@ -34,22 +34,30 @@
127	34	, m_loaded(true)	34	, m_loaded(true)
128	35	, m_scope(scope)	35	, m_scope(scope)
129	36	{	36	{
133	37	// we have one column by default	37	setWidgetColumnCount(1);
131	38	PreviewWidgetModel* columnModel = new PreviewWidgetModel(this);
132	39	m_previewWidgetModels.append(columnModel);
134	40	connect(this, &PreviewModel::triggered, this, &PreviewModel::triggeredSlot);	38	connect(this, &PreviewModel::triggered, this, &PreviewModel::triggeredSlot);
135	41	}	39	}
136	42		40
137	43	void PreviewModel::setWidgetColumnCount(int count)	41	void PreviewModel::setWidgetColumnCount(int count)
138	44	{	42	{
141	45	if (count != 1) {	43	if (count != widgetColumnCount()) {
142	46	qWarning("PreviewModel::setWidgetColumnCount != 1 not implemented");	44	beginResetModel();
143			45
144			46	m_previewWidgetModels.clear();
145			47	for (int i = 0; i < count; ++i) {
146			48	PreviewWidgetModel* columnModel = new PreviewWidgetModel(this);
147			49	m_previewWidgetModels.append(columnModel);
148			50	}
149			51
150			52	endResetModel();
151			53
152			54	Q_EMIT widgetColumnCountChanged();
153	47	}	55	}
154	48	}	56	}
155	49		57
156	50	int PreviewModel::widgetColumnCount() const	58	int PreviewModel::widgetColumnCount() const
157	51	{	59	{
159	52	return 1;	60	return m_previewWidgetModels.size();
160	53	}	61	}
161	54		62
162	55	bool PreviewModel::loaded() const	63	bool PreviewModel::loaded() const
163	@@ -64,7 +72,7 @@
164	64		72
165	65	int PreviewModel::rowCount(const QModelIndex&) const	73	int PreviewModel::rowCount(const QModelIndex&) const
166	66	{	74	{
168	67	return m_previewWidgetModels.size();	75	return widgetColumnCount();
169	68	}	76	}
170	69		77
171	70	QVariant PreviewModel::data(const QModelIndex& index, int role) const	78	QVariant PreviewModel::data(const QModelIndex& index, int role) const
172	71		79
173	=== modified file 'tests/mocks/Unity/fake_previewwidgetmodel.cpp'
174	--- tests/mocks/Unity/fake_previewwidgetmodel.cpp 2015-02-11 17:17:20 +0000
175	+++ tests/mocks/Unity/fake_previewwidgetmodel.cpp 2016-10-14 14:58:15 +0000
176	@@ -54,18 +54,26 @@
177	54	m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));	54	m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
178	55	}	55	}
179	56		56
189	57	QVariantMap attributes;	57	{
190	58	QVariantMap buttonData;	58	QVariantMap attributes;
191	59	buttonData["label"] = "Button";	59	attributes["source"] = QVariant("qrc:///Unity/Application/screenshots/browser@12.png");
192	60	buttonData["id"] = "open_click";	60	PreviewData* preview_data = new PreviewData(QString("widget-22"), QString("image"), attributes);
193	61	QVariantList buttons;	61	m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
194	62	buttons << buttonData << buttonData << buttonData;	62	}
195	63	attributes["actions"] = QVariant::fromValue(buttons);	63
196	64	PreviewData* preview_data = new PreviewData(QString("widget-21"), QString("actions"), attributes);	64	{
197	65	m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));	65	QVariantMap attributes;
198			66	QVariantMap buttonData;
199			67	buttonData["label"] = "Button";
200			68	buttonData["id"] = "open_click";
201			69	QVariantList buttons;
202			70	buttons << buttonData << buttonData << buttonData;
203			71	attributes["actions"] = QVariant::fromValue(buttons);
204			72	PreviewData* preview_data = new PreviewData(QString("widget-21"), QString("actions"), attributes);
205			73	m_previewWidgets.append(QSharedPointer<PreviewData>(preview_data));
206			74	}
207	66		75
208	67	endResetModel();	76	endResetModel();
209	68
210	69	}	77	}
211	70		78
212	71	int PreviewWidgetModel::rowCount(const QModelIndex&) const	79	int PreviewWidgetModel::rowCount(const QModelIndex&) const