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
159
160
161
162
163
164
165
166
167
168
169
170
171
|
//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id:$
//
// Copyright (C) 2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "scoreview.h"
#include "libmscore/score.h"
#include "musescore.h"
#include "libmscore/staff.h"
#include "libmscore/utils.h"
#include "libmscore/undo.h"
#include "libmscore/part.h"
namespace Ms {
//---------------------------------------------------------
// testElementDragTransition
//---------------------------------------------------------
bool ScoreView::testElementDragTransition(QMouseEvent* ev)
{
if (curElement == 0 || !curElement->isMovable() || QApplication::mouseButtons() != Qt::LeftButton)
return false;
if (curElement->type() == Element::Type::MEASURE) {
System* dragSystem = (System*)(curElement->parent());
int staffIdx = getStaff(dragSystem, data.startMove);
dragStaff = score()->staff(staffIdx);
if (staffIdx == 0)
return false;
}
QPoint delta = ev->pos() - startMoveI;
return delta.manhattanLength() > 2;
}
//---------------------------------------------------------
// startDrag
//---------------------------------------------------------
void ScoreView::startDrag()
{
dragElement = curElement;
data.startMove -= dragElement->userOff();
_score->startCmd();
if (dragElement->type() == Element::Type::MEASURE) {
staffUserDist = dragStaff->userDist();
}
else {
foreach(Element* e, _score->selection().elements())
e->setStartDragPosition(e->userOff());
}
_score->end();
}
//---------------------------------------------------------
// doDragElement
//---------------------------------------------------------
void ScoreView::doDragElement(QMouseEvent* ev)
{
QPointF delta = toLogical(ev->pos()) - data.startMove;
QPointF pt(delta);
if (qApp->keyboardModifiers() == Qt::ShiftModifier)
pt.setX(dragElement->userOff().x());
else if (qApp->keyboardModifiers() == Qt::ControlModifier)
pt.setY(dragElement->userOff().y());
data.hRaster = mscore->hRaster();
data.vRaster = mscore->vRaster();
data.delta = pt;
data.pos = toLogical(ev->pos());
if (dragElement->type() == Element::Type::MEASURE) {
if (qApp->keyboardModifiers() == Qt::ShiftModifier) {
qreal dist = dragStaff->userDist() + delta.y();
int partStaves = dragStaff->part()->nstaves();
StyleIdx i = (partStaves > 1) ? StyleIdx::akkoladeDistance : StyleIdx::staffDistance;
qreal _spatium = _score->spatium();
qreal styleDist = _score->styleS(i).val() * _spatium;
if ((dist + styleDist) < _spatium) // limit minimum distance to spatium
dist = -styleDist + _spatium;
dragStaff->setUserDist(dist);
data.startMove += delta;
_score->doLayoutSystems();
_score->layoutSpanner();
update();
loopUpdate(getAction("loop")->isChecked());
}
return;
}
// special case when dragging notes:
// you usually dont want dragging stems & hooks
// which would offset stems
bool dragNotes = false;
for (Element* e : _score->selection().elements()) {
if (e->type() == Element::Type::NOTE) {
dragNotes = true;
break;
}
}
QList<Element*> el;
for (Element* e : _score->selection().elements()) {
if (dragNotes) {
if (e->type() == Element::Type::STEM || e->type() == Element::Type::HOOK)
continue;
}
el.append(e);
}
for (Element* e : el) {
QRectF r = e->drag(&data);
_score->addRefresh(r);
}
if (_score->playNote()) {
Element* e = _score->selection().element();
if (e)
mscore->play(e);
_score->setPlayNote(false);
}
Element* e = _score->getSelectedElement();
if (e) {
QLineF anchor = e->dragAnchor();
if (!anchor.isNull())
setDropAnchor(anchor);
else
setDropTarget(0); // this also resets dropAnchor
}
_score->update();
}
//---------------------------------------------------------
// endDrag
//---------------------------------------------------------
void ScoreView::endDrag()
{
if (dragElement->type() == Element::Type::MEASURE) {
qreal userDist = dragStaff->userDist();
dragStaff->setUserDist(staffUserDist);
score()->undo(new ChangeStaffUserDist(dragStaff, userDist));
}
else {
foreach(Element* e, _score->selection().elements()) {
e->endDrag();
e->score()->undoPropertyChanged(e, P_ID::USER_OFF, e->startDragPosition());
}
}
_score->setLayoutAll(true);
dragElement = 0;
setDropTarget(0); // this also resets dropAnchor
_score->endCmd();
}
}
|
