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toolBoxElement.cc
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40 \*===========================================================================*/
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $LastChangedBy$ *
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48 \*===========================================================================*/
49
50 //== INCLUDES =================================================================
51 #include <QVBoxLayout>
52 #include <QLabel>
53 #include <QPainter>
54 #include <QMimeData>
55 #include <QDrag>
56 #include <QMouseEvent>
57
58 #include "toolBoxElement.hh"
59 #include "parser/element.hh"
60
61 #define BACKGROUND_RED 0x00
62 #define BACKGROUND_GREEN 0x00
63 #define BACKGROUND_BLUE 0x00
64 #define BACKGROUND_ALPHA 0xff
65
66 //== NAMESPACES ===============================================================
67 namespace VSI {
68
69 //=============================================================================
70 //
71 // CLASS ToolBoxElement - IMPLEMENTATION
72 //
73 //=============================================================================
74
76 ToolBoxElement::ToolBoxElement (Element *_element, QWidget *_parent) :
77 QWidget (_parent),
78 element_ (_element)
79 {
80 QVBoxLayout *layout = new QVBoxLayout ();
81
82 layout->setContentsMargins (2, 2, 2, 2);
83
84 QLabel *label = new QLabel (element_->shortDescription (), this);
85
86 label->setAlignment (Qt::AlignHCenter);
87 label->setWordWrap (true);
88
89 QPalette p = label->palette ();
90 p.setBrush (QPalette::WindowText, Qt::white);
91 p.setBrush (QPalette::ButtonText, Qt::white);
92 label->setPalette (p);
93
94 layout->addWidget (label);
95
96 setToolTip (element_->longDescription ());
97
98 setLayout (layout);
99 }
100
101 //------------------------------------------------------------------------------
102
104 ToolBoxElement::~ToolBoxElement ()
105 {
106 }
107
108 //------------------------------------------------------------------------------
109
110 // Paint a rounded rect as background
111 void ToolBoxElement::paintEvent(QPaintEvent * /*_event*/)
112 {
113 QPainter p (this);
114 p.setRenderHint(QPainter::Antialiasing);
115
116 p.setBrush(QBrush(QColor(BACKGROUND_RED,
117 BACKGROUND_GREEN,
118 BACKGROUND_BLUE,
119 BACKGROUND_ALPHA)));
120 p.setPen(QColor(BACKGROUND_RED + 0x30,
121 BACKGROUND_GREEN + 0x30,
122 BACKGROUND_BLUE + 0x30,
123 BACKGROUND_ALPHA));
124 p.drawRoundedRect(0, 0, width (), height (), 4, 4);
125
126 }
127
128 //------------------------------------------------------------------------------
129
131 void ToolBoxElement::mousePressEvent(QMouseEvent *_event)
132 {
133 QMimeData *mimeData = new QMimeData;
134
135 QPoint off = _event->pos() - QPoint (width () / 2, height () / 2);
136
137 QString data = QString::number (off.x ()) + ";";
138 data += QString::number (off.y ()) + ";" + element_->name ();
139
140 // internal mimetype
141 mimeData->setData ("application/x-openflipper.vsi",data.toLocal8Bit ());
142
143 QDrag *drag = new QDrag(this);
144 drag->setMimeData(mimeData);
145
146 QPixmap pixmap (size ());
147 pixmap.fill(Qt::transparent);
148
149 render (&pixmap);
150
151 drag->setPixmap(pixmap);
152 drag->setHotSpot(_event->pos());
153
154 drag->exec ();
155 }
156
157 //------------------------------------------------------------------------------
158 }
159
VSI
Definition: baseWidget.cc:78
VSI::Element::shortDescription
const QString & shortDescription() const
Short description.
Definition: element.hh:94
VSI::Element::longDescription
const QString & longDescription() const
Long description.
Definition: element.hh:97
VSI::Element::name
QString name() const
Element name.
Definition: element.hh:88
VSI::Element
Definition: element.hh:74
VSI::ToolBoxElement::ToolBoxElement
ToolBoxElement(Element *_element, QWidget *_parent=NULL)
Constructor.
Definition: toolBoxElement.cc:76
VSI::ToolBoxElement::~ToolBoxElement
~ToolBoxElement()
Destructor.
Definition: toolBoxElement.cc:104
VSI::ToolBoxElement::mousePressEvent
void mousePressEvent(QMouseEvent *_event)
Starts drag on mouse press.
Definition: toolBoxElement.cc:131