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
|
// wlibrarytableview.cpp
// Created 10/19/2009 by RJ Ryan (rryan@mit.edu)
#include <QHeaderView>
#include <QPalette>
#include <QScrollBar>
#include <QFontMetrics>
#include "widget/wwidget.h"
#include "widget/wskincolor.h"
#include "widget/wlibrarytableview.h"
#include "util/math.h"
WLibraryTableView::WLibraryTableView(QWidget* parent,
UserSettingsPointer pConfig,
ConfigKey vScrollBarPosKey)
: QTableView(parent),
m_pConfig(pConfig),
m_vScrollBarPosKey(vScrollBarPosKey) {
// Setup properties for table
// Editing starts when clicking on an already selected item.
setEditTriggers(QAbstractItemView::SelectedClicked);
//Enable selection by rows and extended selection (ctrl/shift click)
setSelectionBehavior(QAbstractItemView::SelectRows);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setWordWrap(false);
setShowGrid(false);
setCornerButtonEnabled(false);
setSortingEnabled(true);
// Used by delegates (e.g. StarDelegate) to tell when the mouse enters a
// cell.
setMouseTracking(true);
//Work around a Qt bug that lets you make your columns so wide you
//can't reach the divider to make them small again.
setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
verticalHeader()->hide();
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
setAlternatingRowColors(true);
//loadVScrollBarPosState();
connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
this, SIGNAL(scrollValueChanged(int)));
setTabKeyNavigation(false);
}
WLibraryTableView::~WLibraryTableView() {
}
void WLibraryTableView::loadVScrollBarPosState() {
// TODO(rryan) I'm not sure I understand the value in saving the v-scrollbar
// position across restarts of Mixxx. Now that we have different views for
// each mode, the views should just maintain their scrollbar position when
// you switch views. We should discuss this.
m_iSavedVScrollBarPos = m_pConfig->getValueString(m_vScrollBarPosKey).toInt();
}
void WLibraryTableView::restoreVScrollBarPos() {
//Restore the scrollbar's position (scroll to that spot)
//when the search has been cleared
updateGeometries();
verticalScrollBar()->setValue(m_iSavedVScrollBarPos);
}
void WLibraryTableView::saveVScrollBarPos() {
//Save the scrollbar's position so we can return here after
//a search is cleared.
m_iSavedVScrollBarPos = verticalScrollBar()->value();
}
void WLibraryTableView::saveVScrollBarPosState() {
//Save the vertical scrollbar position.
int scrollbarPosition = verticalScrollBar()->value();
m_pConfig->set(m_vScrollBarPosKey, ConfigValue(scrollbarPosition));
}
void WLibraryTableView::moveSelection(int delta) {
QAbstractItemModel* pModel = model();
if (pModel == nullptr) {
return;
}
while(delta != 0) {
// TODO(rryan) what happens if there is nothing selected?
QModelIndex current = currentIndex();
if(delta > 0) {
// i is positive, so we want to move the highlight down
int row = current.row();
if (row + 1 < pModel->rowCount()) {
selectRow(row + 1);
}
delta--;
} else {
// i is negative, so we want to move the highlight up
int row = current.row();
if (row - 1 >= 0) {
selectRow(row - 1);
}
delta++;
}
}
}
void WLibraryTableView::saveVScrollBarPos(const QString key){
m_vScrollBarPosValues[key] = verticalScrollBar()->value();
}
void WLibraryTableView::restoreVScrollBarPos(const QString key){
updateGeometries();
if (m_vScrollBarPosValues.contains(key)){
verticalScrollBar()->setValue(m_vScrollBarPosValues[key]);
}else{
m_vScrollBarPosValues[key] = 0;
verticalScrollBar()->setValue(0);
}
}
void WLibraryTableView::setTrackTableFont(const QFont& font) {
setFont(font);
setTrackTableRowHeight(verticalHeader()->defaultSectionSize());
}
void WLibraryTableView::setTrackTableRowHeight(int rowHeight) {
QFontMetrics metrics(font());
int fontHeightPx = metrics.height();
verticalHeader()->setDefaultSectionSize(math_max(
rowHeight, fontHeightPx));
}
|
