diff options
author | Aleks Kissinger <aleks0@gmail.com> | 2018-07-20 11:01:34 +0200 |
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committer | Aleks Kissinger <aleks0@gmail.com> | 2018-07-20 11:01:34 +0200 |
commit | 59eee652c5fea36945a4a8ce2936843bd90d0e1b (patch) | |
tree | effcdbf741a104f71e4fc395993dfbdb6644f6b4 /src/gui/nodeitem.cpp | |
parent | 7c4faa67f4b45671884bdccd99d83f92ca655366 (diff) |
...
Diffstat (limited to 'src/gui/nodeitem.cpp')
-rw-r--r-- | src/gui/nodeitem.cpp | 318 |
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);
+// }
+//}
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