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authorAleks Kissinger <aleks0@gmail.com>2018-07-20 11:01:34 +0200
committerAleks Kissinger <aleks0@gmail.com>2018-07-20 11:01:34 +0200
commit59eee652c5fea36945a4a8ce2936843bd90d0e1b (patch)
treeeffcdbf741a104f71e4fc395993dfbdb6644f6b4 /src/gui/nodeitem.cpp
parent7c4faa67f4b45671884bdccd99d83f92ca655366 (diff)
...
Diffstat (limited to 'src/gui/nodeitem.cpp')
-rw-r--r--src/gui/nodeitem.cpp318
1 files changed, 159 insertions, 159 deletions
diff --git a/src/gui/nodeitem.cpp b/src/gui/nodeitem.cpp
index b452848..d308dd2 100644
--- a/src/gui/nodeitem.cpp
+++ b/src/gui/nodeitem.cpp
@@ -1,159 +1,159 @@
-/*
- TikZiT - a GUI diagram editor for TikZ
- Copyright (C) 2018 Aleks Kissinger
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>.
-*/
-
-#include "tikzit.h"
-#include "nodeitem.h"
-#include "tikzscene.h"
-#include <cmath>
-
-#include <QPen>
-#include <QApplication>
-#include <QBrush>
-#include <QDebug>
-#include <QFont>
-#include <QFontMetrics>
-#include <QPainterPathStroker>
-
-NodeItem::NodeItem(Node *node)
-{
- _node = node;
- setFlag(QGraphicsItem::ItemIsSelectable);
- //setFlag(QGraphicsItem::ItemIsMovable);
- //setFlag(QGraphicsItem::ItemSendsGeometryChanges);
- readPos();
- updateBounds();
-}
-
-void NodeItem::readPos()
-{
- setPos(toScreen(_node->point()));
-}
-
-void NodeItem::writePos()
-{
- _node->setPoint(fromScreen(pos()));
-}
-
-QRectF NodeItem::labelRect() const {
- QString label = _node->label();
- //QFont f("Courier", 9);
- QFontMetrics fm(Tikzit::LABEL_FONT);
-
- QRectF rect = fm.boundingRect(label);
- //rect.adjust(-2,-2,2,2);
- rect.moveCenter(QPointF(0,0));
- return rect;
-}
-
-void NodeItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
-{
- if (_node->style()->isNone()) {
- QColor c(180,180,200);
- painter->setPen(QPen(c));
- painter->setBrush(QBrush(c));
- painter->drawEllipse(QPointF(0,0), 1,1);
-
- QPen pen(QColor(180,180,220));
- QVector<qreal> p;
- p << 1.0 << 2.0;
- pen.setDashPattern(p);
- pen.setWidthF(2.0f);
- painter->setPen(pen);
- painter->setBrush(Qt::NoBrush);
- painter->drawPath(shape());
- } else {
- QPen pen(_node->style()->strokeColor());
- pen.setWidth(_node->style()->strokeThickness());
- painter->setPen(pen);
- painter->setBrush(QBrush(_node->style()->fillColor()));
- painter->drawPath(shape());
- }
-
- if (_node->label() != "") {
- QRectF rect = labelRect();
- QPen pen(QColor(200,0,0,120));
- QVector<qreal> d;
- d << 2.0 << 2.0;
- pen.setDashPattern(d);
- painter->setPen(pen);
- painter->setBrush(QBrush(QColor(255,255,100,120)));
- painter->drawRect(rect);
-
- painter->setPen(QPen(Qt::black));
- painter->setFont(Tikzit::LABEL_FONT);
- painter->drawText(rect, Qt::AlignCenter, _node->label());
- }
-
- if (isSelected()) {
- QPainterPath sh = shape();
- QPainterPathStroker stroker;
- stroker.setWidth(4);
- QPainterPath outline = (stroker.createStroke(sh) + sh).simplified();
- painter->setPen(Qt::NoPen);
- painter->setBrush(QBrush(QColor(150,200,255,100)));
- painter->drawPath(outline);
- }
-
-}
-
-QPainterPath NodeItem::shape() const
-{
- QPainterPath path;
- path.addEllipse(QPointF(0,0), GLOBAL_SCALEF * 0.2, GLOBAL_SCALEF * 0.2);
- return path;
-}
-
-// TODO: nodeitem should sync boundingRect()-relevant stuff (label etc) explicitly,
-// to allow prepareGeometryChange()
-QRectF NodeItem::boundingRect() const
-{
- return _boundingRect;
-}
-
-void NodeItem::updateBounds()
-{
- prepareGeometryChange();
- QString label = _node->label();
- if (label != "") {
- QFontMetrics fm(Tikzit::LABEL_FONT);
- QRectF labelRect = fm.boundingRect(label);
- labelRect.moveCenter(QPointF(0, 0));
- _boundingRect = labelRect.united(shape().boundingRect()).adjusted(-4, -4, 4, 4);
- } else {
- _boundingRect = shape().boundingRect().adjusted(-4, -4, 4, 4);
- }
-}
-
-Node *NodeItem::node() const
-{
- return _node;
-}
-
-//QVariant NodeItem::itemChange(GraphicsItemChange change, const QVariant &value)
-//{
-// if (change == ItemPositionChange) {
-// QPointF newPos = value.toPointF();
-// int gridSize = GLOBAL_SCALE / 8;
-// QPointF gridPos(round(newPos.x()/gridSize)*gridSize, round(newPos.y()/gridSize)*gridSize);
-// _node->setPoint(fromScreen(gridPos));
-//
-// return gridPos;
-// } else {
-// return QGraphicsItem::itemChange(change, value);
-// }
-//}
+/*
+ TikZiT - a GUI diagram editor for TikZ
+ Copyright (C) 2018 Aleks Kissinger
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "tikzit.h"
+#include "nodeitem.h"
+#include "tikzscene.h"
+#include <cmath>
+
+#include <QPen>
+#include <QApplication>
+#include <QBrush>
+#include <QDebug>
+#include <QFont>
+#include <QFontMetrics>
+#include <QPainterPathStroker>
+
+NodeItem::NodeItem(Node *node)
+{
+ _node = node;
+ setFlag(QGraphicsItem::ItemIsSelectable);
+ //setFlag(QGraphicsItem::ItemIsMovable);
+ //setFlag(QGraphicsItem::ItemSendsGeometryChanges);
+ readPos();
+ updateBounds();
+}
+
+void NodeItem::readPos()
+{
+ setPos(toScreen(_node->point()));
+}
+
+void NodeItem::writePos()
+{
+ _node->setPoint(fromScreen(pos()));
+}
+
+QRectF NodeItem::labelRect() const {
+ QString label = _node->label();
+ //QFont f("Courier", 9);
+ QFontMetrics fm(Tikzit::LABEL_FONT);
+
+ QRectF rect = fm.boundingRect(label);
+ //rect.adjust(-2,-2,2,2);
+ rect.moveCenter(QPointF(0,0));
+ return rect;
+}
+
+void NodeItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+{
+ if (_node->style()->isNone()) {
+ QColor c(180,180,200);
+ painter->setPen(QPen(c));
+ painter->setBrush(QBrush(c));
+ painter->drawEllipse(QPointF(0,0), 1,1);
+
+ QPen pen(QColor(180,180,220));
+ QVector<qreal> p;
+ p << 1.0 << 2.0;
+ pen.setDashPattern(p);
+ pen.setWidthF(2.0f);
+ painter->setPen(pen);
+ painter->setBrush(Qt::NoBrush);
+ painter->drawPath(shape());
+ } else {
+ QPen pen(_node->style()->strokeColor());
+ pen.setWidth(_node->style()->strokeThickness());
+ painter->setPen(pen);
+ painter->setBrush(QBrush(_node->style()->fillColor()));
+ painter->drawPath(shape());
+ }
+
+ if (_node->label() != "") {
+ QRectF rect = labelRect();
+ QPen pen(QColor(200,0,0,120));
+ QVector<qreal> d;
+ d << 2.0 << 2.0;
+ pen.setDashPattern(d);
+ painter->setPen(pen);
+ painter->setBrush(QBrush(QColor(255,255,100,120)));
+ painter->drawRect(rect);
+
+ painter->setPen(QPen(Qt::black));
+ painter->setFont(Tikzit::LABEL_FONT);
+ painter->drawText(rect, Qt::AlignCenter, _node->label());
+ }
+
+ if (isSelected()) {
+ QPainterPath sh = shape();
+ QPainterPathStroker stroker;
+ stroker.setWidth(4);
+ QPainterPath outline = (stroker.createStroke(sh) + sh).simplified();
+ painter->setPen(Qt::NoPen);
+ painter->setBrush(QBrush(QColor(150,200,255,100)));
+ painter->drawPath(outline);
+ }
+
+}
+
+QPainterPath NodeItem::shape() const
+{
+ QPainterPath path;
+ path.addEllipse(QPointF(0,0), GLOBAL_SCALEF * 0.2, GLOBAL_SCALEF * 0.2);
+ return path;
+}
+
+// TODO: nodeitem should sync boundingRect()-relevant stuff (label etc) explicitly,
+// to allow prepareGeometryChange()
+QRectF NodeItem::boundingRect() const
+{
+ return _boundingRect;
+}
+
+void NodeItem::updateBounds()
+{
+ prepareGeometryChange();
+ QString label = _node->label();
+ if (label != "") {
+ QFontMetrics fm(Tikzit::LABEL_FONT);
+ QRectF labelRect = fm.boundingRect(label);
+ labelRect.moveCenter(QPointF(0, 0));
+ _boundingRect = labelRect.united(shape().boundingRect()).adjusted(-4, -4, 4, 4);
+ } else {
+ _boundingRect = shape().boundingRect().adjusted(-4, -4, 4, 4);
+ }
+}
+
+Node *NodeItem::node() const
+{
+ return _node;
+}
+
+//QVariant NodeItem::itemChange(GraphicsItemChange change, const QVariant &value)
+//{
+// if (change == ItemPositionChange) {
+// QPointF newPos = value.toPointF();
+// int gridSize = GLOBAL_SCALE / 8;
+// QPointF gridPos(round(newPos.x()/gridSize)*gridSize, round(newPos.y()/gridSize)*gridSize);
+// _node->setPoint(fromScreen(gridPos));
+//
+// return gridPos;
+// } else {
+// return QGraphicsItem::itemChange(change, value);
+// }
+//}