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
|
/*
* Copyright (c) 2014-2015 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swift/QtUI/Trellis/QtGridSelectionDialog.h>
#include <QPaintEvent>
#include <QPainter>
#include <QStyle>
#include <QStyleOptionFrame>
#include <QStyleOptionMenuItem>
#include <QStyleOptionSizeGrip>
namespace Swift {
QtGridSelectionDialog::QtGridSelectionDialog(QWidget* parent) : QWidget(parent) {
frameSize = QSize(23,23) * 2;
maxGridSize = QSize(7,7);
minGridSize = QSize(1,1);
currentGridSize = QSize(1,1);
padding = 4;
setWindowFlags(Qt::FramelessWindowHint);
setCursor(Qt::SizeAllCursor);
horizontalMargin = style()->pixelMetric(QStyle::PM_MenuVMargin) * 2;
verticalMargin = style()->pixelMetric(QStyle::PM_MenuVMargin) * 2;
}
QSize QtGridSelectionDialog::sizeHint() const {
// PM_MenuVMargin | frameSize | ( padding | frameSize ) * | PM_MenuVMargin
int width = horizontalMargin + frameSize.width() + (padding + frameSize.width()) * (currentGridSize.width() - 1) + horizontalMargin;
int height = verticalMargin + frameSize.height() + (padding + frameSize.height()) * (currentGridSize.height() - 1) + verticalMargin;
return QSize(width, height);
}
void QtGridSelectionDialog::setCurrentGridSize(const QSize& size) {
currentGridSize = size;
emit currentGridSizeChanged(size);
}
QSize QtGridSelectionDialog::getCurrentGridSize() const {
return currentGridSize;
}
void QtGridSelectionDialog::setMinGridSize(const QSize& size) {
minGridSize = size;
emit minGridSizeChanged(size);
}
QSize QtGridSelectionDialog::getMinGridSize() const {
return minGridSize;
}
void QtGridSelectionDialog::setMaxGridSize(const QSize& size) {
maxGridSize = size;
emit maxGridSizeChanged(size);
}
QSize QtGridSelectionDialog::getMaxGridSize() const {
return maxGridSize;
}
void QtGridSelectionDialog::keyReleaseEvent(QKeyEvent* event) {
if (event) {
QSize newGridSize = currentGridSize;
if (event->key() == Qt::Key_Up) {
newGridSize += QSize(0, -1);
}
else if (event->key() == Qt::Key_Down) {
newGridSize += QSize(0, 1);
}
else if (event->key() == Qt::Key_Left) {
newGridSize += QSize(-1, 0);
}
else if (event->key() == Qt::Key_Right) {
newGridSize += QSize(1, 0);
}
else if (event->key() == Qt::Key_Return) {
hide();
setCurrentGridSize(currentGridSize);
}
if (minGridSize.expandedTo(newGridSize).boundedTo(maxGridSize) != currentGridSize) {
currentGridSize = minGridSize.expandedTo(newGridSize).boundedTo(maxGridSize);
resize(sizeHint());
}
}
}
void QtGridSelectionDialog::mousePressEvent(QMouseEvent*) {
hide();
setCurrentGridSize(currentGridSize);
}
void QtGridSelectionDialog::paintEvent(QPaintEvent*) {
QPainter painter(this);
QStyleOptionMenuItem option;
option.state = QStyle::State_Enabled | QStyle::State_Selected;
option.menuRect = QRect(QPoint(0,0), frameSize);
for (int x = 0; x < currentGridSize.width(); x++) {
for (int y = 0; y < currentGridSize.height(); y++) {
int xPos = horizontalMargin + (x * (frameSize.width() + padding));
int yPos = verticalMargin + (y * (frameSize.height() + padding));
option.menuRect.moveTo(QPoint(xPos, yPos));
option.rect = option.menuRect;
style()->drawControl(QStyle::CE_MenuItem, &option, &painter, 0);
}
}
QStyleOptionSizeGrip sizeGripOption;
sizeGripOption.init(this);
sizeGripOption.corner = Qt::BottomRightCorner;
style()->drawControl(QStyle::CE_SizeGrip, &sizeGripOption, &painter, this);
}
void QtGridSelectionDialog::showEvent(QShowEvent*) {
int xPos = horizontalMargin + frameSize.width() + (padding + frameSize.width()) * (currentGridSize.width() - 1) - frameSize.width()/2;
int yPos = verticalMargin + frameSize.height() + (padding + frameSize.height()) * (currentGridSize.height() - 1) - frameSize.height()/2;
QCursor::setPos(mapToGlobal(QPoint(xPos, yPos)));
setMouseTracking(true);
}
void QtGridSelectionDialog::hideEvent(QHideEvent*) {
setMouseTracking(false);
}
void QtGridSelectionDialog::mouseMoveEvent(QMouseEvent*) {
QPoint diff = (frameGeometry().bottomRight() - QCursor::pos());
QSize newDimensions = currentGridSize;
if (diff.x() > frameSize.width() * 1.5) {
newDimensions -= QSize(diff.x() / (frameSize.width() * 1.5), 0);
}
if (diff.y() > frameSize.height() * 1.5) {
newDimensions -= QSize(0, diff.y() / (frameSize.height() * 1.5));
}
if (minGridSize.expandedTo(newDimensions).boundedTo(maxGridSize) != currentGridSize) {
currentGridSize = minGridSize.expandedTo(newDimensions).boundedTo(maxGridSize);
resize(sizeHint());
}
}
void QtGridSelectionDialog::leaveEvent(QEvent *) {
QPoint diff = (frameGeometry().bottomRight() - QCursor::pos());
QSize newGridSize = currentGridSize;
if (diff.x() < 0) {
newGridSize += QSize(1,0);
}
if (diff.y() < 0) {
newGridSize += QSize(0,1);
}
if (minGridSize.expandedTo(newGridSize).boundedTo(maxGridSize) != currentGridSize) {
currentGridSize = minGridSize.expandedTo(newGridSize).boundedTo(maxGridSize);
resize(sizeHint());
}
}
}
|
Swift