[yast-commit] r54673 - in /branches/tmp/aschnell/graph/qt-graph/src: CMakeLists.txt QGraph.cc QGraph.h YQGraph.cc YQGraph.h

Author: aschnell Date: Thu Jan 15 20:00:17 2009 New Revision: 54673 URL: http://svn.opensuse.org/viewcvs/yast?rev=54673&view=rev Log: - backup Added: branches/tmp/aschnell/graph/qt-graph/src/QGraph.cc branches/tmp/aschnell/graph/qt-graph/src/QGraph.h Modified: branches/tmp/aschnell/graph/qt-graph/src/CMakeLists.txt branches/tmp/aschnell/graph/qt-graph/src/YQGraph.cc branches/tmp/aschnell/graph/qt-graph/src/YQGraph.h Modified: branches/tmp/aschnell/graph/qt-graph/src/CMakeLists.txt URL: http://svn.opensuse.org/viewcvs/yast/branches/tmp/aschnell/graph/qt-graph/src/CMakeLists.txt?rev=54673&r1=54672&r2=54673&view=diff ============================================================================== --- branches/tmp/aschnell/graph/qt-graph/src/CMakeLists.txt (original) +++ branches/tmp/aschnell/graph/qt-graph/src/CMakeLists.txt Thu Jan 15 20:00:17 2009 @@ -11,7 +11,8 @@ SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-format-nonliteral -fmessage-length=0" ) SET(qt_yast_graph_plugin_SRCS - YQGraph.cc + QGraph.cc + YQGraph.cc YQGraphPlugin.cc YQGraphPluginImpl.cc ) Added: branches/tmp/aschnell/graph/qt-graph/src/QGraph.cc URL: http://svn.opensuse.org/viewcvs/yast/branches/tmp/aschnell/graph/qt-graph/src/QGraph.cc?rev=54673&view=auto ============================================================================== --- branches/tmp/aschnell/graph/qt-graph/src/QGraph.cc (added) +++ branches/tmp/aschnell/graph/qt-graph/src/QGraph.cc Thu Jan 15 20:00:17 2009 @@ -0,0 +1,296 @@ +/*---------------------------------------------------------------------\ +| | +| __ __ ____ _____ ____ | +| \ \ / /_ _/ ___|_ _|___ \ | +| \ V / _` \___ \ | | __) | | +| | | (_| |___) || | / __/ | +| |_|\__,_|____/ |_| |_____| | +| | +| core system | +| (c) SuSE Linux GmbH | +\----------------------------------------------------------------------/ + + File: QGraph.cc + + Author: Arvin Schnell + + Textdomain "qt-graph" + +/-*/ + + +#include + +#include "QGraph.h" + + +QGraph::QGraph(QWidget* parent, const std::string& filename, const std::string& layoutAlgorithm) + : QGraphicsView(parent) +{ + setRenderHint(QPainter::Antialiasing); + setRenderHint(QPainter::TextAntialiasing); + setTransformationAnchor(AnchorUnderMouse); + setResizeAnchor(AnchorUnderMouse); + setDragMode(ScrollHandDrag); + + scene = new QGraphicsScene(this); + scene->setItemIndexMethod(QGraphicsScene::BspTreeIndex); + renderGraph(filename, layoutAlgorithm); + setScene(scene); +} + + +QGraph::QGraph(QWidget* parent, graph_t* graph) + : QGraphicsView(parent) +{ + setRenderHint(QPainter::Antialiasing); + setRenderHint(QPainter::TextAntialiasing); + setTransformationAnchor(AnchorUnderMouse); + setResizeAnchor(AnchorUnderMouse); + setDragMode(ScrollHandDrag); + + scene = new QGraphicsScene(this); + scene->setItemIndexMethod(QGraphicsScene::BspTreeIndex); + renderGraph(graph); + setScene(scene); +} + + +void +QGraph::keyPressEvent(QKeyEvent* event) +{ + switch (event->key()) + { + case Qt::Key_Plus: + scaleView(1.2); + break; + case Qt::Key_Minus: + scaleView(1.0 / 1.2); + break; + default: + QGraphicsView::keyPressEvent(event); + } +} + + +void +QGraph::wheelEvent(QWheelEvent* event) +{ + scaleView(pow(2.0, -event->delta() / 240.0)); +} + + +void +QGraph::scaleView(qreal scaleFactor) +{ + qreal factor = matrix().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width(); + if (factor < 0.05 || factor > 10) + return; + + scale(scaleFactor, scaleFactor); +} + + +QPointF +QGraph::gToQ(const point& p) const +{ + QPointF tmp(p.x, p.y); + return QPointF(tmp.x(), size.height() - tmp.y()); +} + + +QString +aggetToQ(void* obj, char* name, const char* fallback) +{ + const char* tmp = agget(obj, name); + if (tmp == NULL || tmp[0] == '\0') + return fallback; + else + return QString(tmp); +} + + +void +QGraph::arrow(QPainterPath& path, const QLineF& line, const QString& type) +{ + if (type == "normal") + { + QLineF n(line.normalVector()); + QPointF o(n.dx() / 2.0, n.dy() / 2.0); + + path.moveTo(line.p1()); + path.moveTo(line.p1() + o); + path.lineTo(line.p2()); + path.lineTo(line.p1() - o); + path.closeSubpath(); + } + else if (type == "empty") + { + QLineF n(line.normalVector()); + QPointF o(n.dx() / 2.0, n.dy() / 2.0); + + path.moveTo(line.p1()); + path.moveTo(line.p1() + o); + path.lineTo(line.p2()); + path.lineTo(line.p1() - o); + path.closeSubpath(); + } + else if (type == "open") + { + QLineF n(line.normalVector()); + QPointF o(n.dx() / 2.0, n.dy() / 2.0); + + path.moveTo(line.p1()); + path.lineTo(line.p2()); + + path.moveTo(line.p1() + o); + path.lineTo(line.p2()); + path.lineTo(line.p1() - o); + } + else if (type == "none") + { + path.moveTo(line.p1()); + path.lineTo(line.p2()); + } + else + { + // yuiError() << "unknown arrow type " << type.toStdString() << endl; + } +} + + +void +QGraph::renderGraph(const std::string& filename, const std::string& layoutAlgorithm) +{ + GVC_t* gvc = gvContext(); + + FILE* fp = fopen(filename.c_str(), "r"); + if (fp) + { + graph_t* graph = agread(fp); + + char* tmp = strdup(layoutAlgorithm.c_str()); + gvLayout(gvc, graph, tmp); + free(tmp); + + renderGraph(graph); + + gvFreeLayout(gvc, graph); + agclose(graph); + } + else + { + // yuiError() << "failed to open " << filename << endl; + } + + gvFreeContext(gvc); +} + + +void +QGraph::renderGraph(graph_t* graph) +{ + // don't use gToQ here since it adjusts the values + QRectF rect(GD_bb(graph).LL.x, GD_bb(graph).LL.y, GD_bb(graph).UR.x, GD_bb(graph).UR.y); + const qreal border = 20.0; + scene->setSceneRect(rect.adjusted(-border, -border, border, border)); + + size = rect.size(); + + + QPen pen1("red"); + pen1.setWidthF(1); + QBrush brush1("yellow"); + QPen pen2("blue"); + pen2.setWidthF(1); + + + for (Agnode_t* node = agfstnode(graph); node != NULL; node = agnxtnode(graph, node)) + { + QRectF rect(0.0, 0.0, 72.0*ND_width(node), 72.0*ND_height(node)); + rect.moveCenter(gToQ(ND_coord_i(node))); + + QGraphicsItem* item = NULL; + + if (strcmp(ND_shape(node)->name, "ellipse") == 0) + { + Node* shape = new Node(rect, ND_label(node)->text); + scene->addItem(shape); + shape->setPen(pen1); + shape->setBrush(brush1); + shape->setLabelPen(QPen(Qt::blue)); + item = shape; + } + else + { + Node* shape = new Node(rect, ND_label(node)->text); + scene->addItem(shape); + shape->setPen(pen1); + shape->setBrush(brush1); + shape->setLabelPen(QPen(Qt::black)); + item = shape; + } + + const char* tooltip = agget(node, "tooltip"); + if (tooltip && tooltip[0] != '\0') + item->setToolTip(tooltip); + + for (Agedge_t* edge = agfstedge(graph, node); edge != NULL; edge = agnxtedge(graph, edge, node)) + { + const splines* spl = ED_spl(edge); + + for (int i = 0; i < spl->size; i++) + { + const bezier& bz = spl->list[i]; + + QPainterPath path; + + if (bz.sflag) + arrow(path, QLineF(gToQ(bz.list[0]), gToQ(bz.sp)), aggetToQ(edge, "arrowhead", "normal")); + + path.moveTo(gToQ(bz.list[0])); + for (int j = 1; j < bz.size-1; j += 3) + path.cubicTo(gToQ(bz.list[j]), gToQ(bz.list[j+1]), gToQ(bz.list[j+2])); + + if (bz.eflag) + arrow(path, QLineF(gToQ(bz.list[bz.size-1]), gToQ(bz.ep)), aggetToQ(edge, "arrowtail", "normal")); + + QGraphicsPathItem* shape = scene->addPath(path); + + shape->setPen(pen2); + shape->setZValue(-1.0); + } + } + } +} + + +Node::Node(const QRectF& rect, const QString& label) + : QGraphicsRectItem(rect), + label(label) +{ +} + + +Node::~Node() +{ +} + + +void +Node::setLabelPen(const QPen& tmp) +{ + labelPen = tmp; +} + + +void +Node::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) +{ + QGraphicsRectItem::paint(painter, option, widget); + painter->setPen(labelPen); + painter->drawText(rect(), Qt::AlignCenter | Qt::AlignHCenter, label); +} + + +#include "QGraph.moc" Added: branches/tmp/aschnell/graph/qt-graph/src/QGraph.h URL: http://svn.opensuse.org/viewcvs/yast/branches/tmp/aschnell/graph/qt-graph/src/QGraph.h?rev=54673&view=auto ============================================================================== --- branches/tmp/aschnell/graph/qt-graph/src/QGraph.h (added) +++ branches/tmp/aschnell/graph/qt-graph/src/QGraph.h Thu Jan 15 20:00:17 2009 @@ -0,0 +1,88 @@ +/*---------------------------------------------------------------------\ +| | +| __ __ ____ _____ ____ | +| \ \ / /_ _/ ___|_ _|___ \ | +| \ V / _` \___ \ | | __) | | +| | | (_| |___) || | / __/ | +| |_|\__,_|____/ |_| |_____| | +| | +| core system | +| (c) SuSE Linux GmbH | +\----------------------------------------------------------------------/ + + File: QGraph.h + + Author: Arvin Schnell + +/-*/ + + +#ifndef QGraph_h +#define QGraph_h + +#include +#include <string> + +#include <QKeyEvent> +#include <QWheelEvent> +#include <QGraphicsView> +#include <QGraphicsScene> +#include <QGraphicsRectItem> + + +class QGraph : public QGraphicsView +{ + Q_OBJECT + +public: + + QGraph(QWidget* parent, const std::string& filename, const std::string& layoutAlgorithm); + + QGraph(QWidget* parent, graph_t* graph); + + virtual void renderGraph(const std::string& filename, const std::string& layoutAlgorithm); + virtual void renderGraph(graph_t* graph); + +protected: + + void keyPressEvent(QKeyEvent* event); + void wheelEvent(QWheelEvent* event); + void scaleView(qreal scaleFactor); + + /** + * Transform graphviz point into Qt QPointF. + */ + QPointF gToQ(const point& p) const; + +private: + + QGraphicsScene* scene; + + QSizeF size; + + void arrow(QPainterPath& path, const QLineF& line, const QString& type); + +}; + + +class Node : public QGraphicsRectItem +{ + +public: + + Node(const QRectF& rect, const QString& label); + ~Node(); + + void setLabelPen(const QPen& labelPen); + + void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget); + +private: + + QString label; + QPen labelPen; + +}; + + +#endif // QGraph_h Modified: branches/tmp/aschnell/graph/qt-graph/src/YQGraph.cc URL: http://svn.opensuse.org/viewcvs/yast/branches/tmp/aschnell/graph/qt-graph/src/YQGraph.cc?rev=54673&r1=54672&r2=54673&view=diff ============================================================================== --- branches/tmp/aschnell/graph/qt-graph/src/YQGraph.cc (original) +++ branches/tmp/aschnell/graph/qt-graph/src/YQGraph.cc Thu Jan 15 20:00:17 2009 @@ -19,13 +19,6 @@ /-*/ -#include - -#include <QGraphicsScene> -#include <QGraphicsPathItem> -#include <QKeyEvent> -#include <QWheelEvent> - #define YUILogComponent "qt-graph" #include "YUILog.h" @@ -40,257 +33,32 @@ YQGraph::YQGraph(YWidget* parent, const string& filename, const string& layoutAlgorithm) - : QGraphicsView((QWidget*) parent->widgetRep()), + : QGraph((QWidget*) parent->widgetRep(), filename, layoutAlgorithm), YGraph(parent, filename, layoutAlgorithm) { setWidgetRep(this); - - yuiMilestone() << "Graph init start" << endl; - - setRenderHint(QPainter::Antialiasing); - setRenderHint(QPainter::TextAntialiasing); - setTransformationAnchor(AnchorUnderMouse); - setResizeAnchor(AnchorUnderMouse); - setDragMode(ScrollHandDrag); - - scene = new QGraphicsScene(this); - scene->setItemIndexMethod(QGraphicsScene::BspTreeIndex); - renderGraph(filename, layoutAlgorithm); - setScene(scene); - - yuiMilestone() << "Graph init done" << endl; } YQGraph::YQGraph(YWidget* parent, graph_t* graph) - : QGraphicsView((QWidget*) parent->widgetRep()), + : QGraph((QWidget*) parent->widgetRep(), graph), YGraph(parent, graph) { setWidgetRep(this); - - yuiMilestone() << "Graph init start" << endl; - - setRenderHint(QPainter::Antialiasing); - setRenderHint(QPainter::TextAntialiasing); - setTransformationAnchor(AnchorUnderMouse); - setResizeAnchor(AnchorUnderMouse); - setDragMode(ScrollHandDrag); - - scene = new QGraphicsScene(this); - scene->setItemIndexMethod(QGraphicsScene::BspTreeIndex); - renderGraph(graph); - setScene(scene); - - yuiMilestone() << "Graph init done" << endl; } void -YQGraph::keyPressEvent(QKeyEvent* event) +YQGraph::renderGraph(const string& filename, const string& layoutAlgorithm) { - switch (event->key()) - { - case Qt::Key_Plus: - scaleView(1.2); - break; - case Qt::Key_Minus: - scaleView(1.0 / 1.2); - break; - default: - QGraphicsView::keyPressEvent(event); - } -} - - -void -YQGraph::wheelEvent(QWheelEvent* event) -{ - scaleView(pow(2.0, -event->delta() / 240.0)); -} - - -void -YQGraph::scaleView(qreal scaleFactor) -{ - qreal factor = matrix().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width(); - if (factor < 0.05 || factor > 10) - return; - - scale(scaleFactor, scaleFactor); -} - - -QPointF -YQGraph::gToQ(const point& p) const -{ - QPointF tmp(p.x, p.y); - return QPointF(tmp.x(), size.height() - tmp.y()); -} - - -QString -aggetToQ(void* obj, char* name, const char* fallback) -{ - const char* tmp = agget(obj, name); - if (tmp == NULL || tmp[0] == '\0') - return fallback; - else - return QString(tmp); -} - - -void -YQGraph::arrow(QPainterPath& path, const QLineF& line, const QString& type) -{ - if (type == "normal") - { - QLineF n(line.normalVector()); - QPointF o(n.dx() / 2.0, n.dy() / 2.0); - - path.moveTo(line.p1()); - path.moveTo(line.p1() + o); - path.lineTo(line.p2()); - path.lineTo(line.p1() - o); - path.closeSubpath(); - } - else if (type == "empty") - { - QLineF n(line.normalVector()); - QPointF o(n.dx() / 2.0, n.dy() / 2.0); - - path.moveTo(line.p1()); - path.moveTo(line.p1() + o); - path.lineTo(line.p2()); - path.lineTo(line.p1() - o); - path.closeSubpath(); - } - else if (type == "open") - { - QLineF n(line.normalVector()); - QPointF o(n.dx() / 2.0, n.dy() / 2.0); - - path.moveTo(line.p1()); - path.lineTo(line.p2()); - - path.moveTo(line.p1() + o); - path.lineTo(line.p2()); - path.lineTo(line.p1() - o); - } - else if (type == "none") - { - path.moveTo(line.p1()); - path.lineTo(line.p2()); - } - else - { - yuiError() << "unknown arrow type " << type.toStdString() << endl; - } -} - - -void -YQGraph::renderGraph(const string & filename, const string & layoutAlgorithm) -{ - GVC_t* gvc = gvContext(); - - FILE* fp = fopen(filename.c_str(), "r"); - if (fp) - { - graph_t* graph = agread(fp); - - char* tmp = strdup(layoutAlgorithm.c_str()); - gvLayout(gvc, graph, tmp); - free(tmp); - - renderGraph(graph); - - gvFreeLayout(gvc, graph); - agclose(graph); - } - else - { - yuiError() << "failed to open " << filename << endl; - } - - gvFreeContext(gvc); + QGraph::renderGraph(filename, layoutAlgorithm); } void YQGraph::renderGraph(graph_t* graph) { - // don't use gToQ here since it adjusts the values - QRectF rect(GD_bb(graph).LL.x, GD_bb(graph).LL.y, GD_bb(graph).UR.x, GD_bb(graph).UR.y); - const qreal border = 20.0; - scene->setSceneRect(rect.adjusted(-border, -border, border, border)); - - size = rect.size(); - - - QPen pen1("red"); - pen1.setWidthF(1); - QBrush brush1("yellow"); - QPen pen2("blue"); - pen2.setWidthF(1); - - - for (Agnode_t* node = agfstnode(graph); node != NULL; node = agnxtnode(graph, node)) - { - QRectF rect(0.0, 0.0, 72.0*ND_width(node), 72.0*ND_height(node)); - rect.moveCenter(gToQ(ND_coord_i(node))); - - QGraphicsItem* item = NULL; - - if (strcmp(ND_shape(node)->name, "ellipse") == 0) - { - Node* shape = new Node(rect, ND_label(node)->text); - scene->addItem(shape); - shape->setPen(pen1); - shape->setBrush(brush1); - shape->setLabelPen(QPen(Qt::blue)); - item = shape; - } - else - { - Node* shape = new Node(rect, ND_label(node)->text); - scene->addItem(shape); - shape->setPen(pen1); - shape->setBrush(brush1); - shape->setLabelPen(QPen(Qt::black)); - item = shape; - } - - const char* tooltip = agget(node, "tooltip"); - if (tooltip && tooltip[0] != '\0') - item->setToolTip(tooltip); - - for (Agedge_t* edge = agfstedge(graph, node); edge != NULL; edge = agnxtedge(graph, edge, node)) - { - const splines* spl = ED_spl(edge); - - for (int i = 0; i < spl->size; i++) - { - const bezier& bz = spl->list[i]; - - QPainterPath path; - - if (bz.sflag) - arrow(path, QLineF(gToQ(bz.list[0]), gToQ(bz.sp)), aggetToQ(edge, "arrowhead", "normal")); - - path.moveTo(gToQ(bz.list[0])); - for (int j = 1; j < bz.size-1; j += 3) - path.cubicTo(gToQ(bz.list[j]), gToQ(bz.list[j+1]), gToQ(bz.list[j+2])); - - if (bz.eflag) - arrow(path, QLineF(gToQ(bz.list[bz.size-1]), gToQ(bz.ep)), aggetToQ(edge, "arrowtail", "normal")); - - QGraphicsPathItem* shape = scene->addPath(path); - - shape->setPen(pen2); - shape->setZValue(-1.0); - } - } - } + QGraph::renderGraph(graph); } @@ -309,38 +77,10 @@ void -YQGraph::setSize( int newWidth, int newHeight ) +YQGraph::setSize(int newWidth, int newHeight) { resize(newWidth, newHeight); } -Node::Node(const QRectF& rect, const QString& label) - : QGraphicsRectItem(rect), - label(label) -{ -} - - -Node::~Node() -{ -} - - -void -Node::setLabelPen(const QPen& tmp) -{ - labelPen = tmp; -} - - -void -Node::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) -{ - QGraphicsRectItem::paint(painter, option, widget); - painter->setPen(labelPen); - painter->drawText(rect(), Qt::AlignCenter | Qt::AlignHCenter, label); -} - - #include "YQGraph.moc" Modified: branches/tmp/aschnell/graph/qt-graph/src/YQGraph.h URL: http://svn.opensuse.org/viewcvs/yast/branches/tmp/aschnell/graph/qt-graph/src/YQGraph.h?rev=54673&r1=54672&r2=54673&view=diff ============================================================================== --- branches/tmp/aschnell/graph/qt-graph/src/YQGraph.h (original) +++ branches/tmp/aschnell/graph/qt-graph/src/YQGraph.h Thu Jan 15 20:00:17 2009 @@ -20,33 +20,20 @@ #ifndef YQGraph_h #define YQGraph_h -#include - -#include "YWidget.h" - #include -#include - -#include <QFrame> -#include <QPushButton> -#include <QLabel> -#include <QMenu> -#include <QGraphicsView> -#include <QGraphicsItem> - -class QGraphicsScene; +#include "QGraph.h" -class YQGraph : public QGraphicsView, public YGraph +class YQGraph : public QGraph, public YGraph { Q_OBJECT public: - YQGraph(YWidget * parent, const string & filename, const string & layoutAlgorithm); + YQGraph(YWidget* parent, const string& filename, const string& layoutAlgorithm); - YQGraph(YWidget * parent, graph_t* graph); + YQGraph(YWidget* parent, graph_t* graph); /** * Preferred width of the widget. @@ -70,46 +57,8 @@ virtual void setSize(int newWidth, int newHeight); void renderGraph(const string& filename, const string& layoutAlgorithm); - void renderGraph(graph_t* graph); - -protected: - - void keyPressEvent(QKeyEvent* event); - void wheelEvent(QWheelEvent* event); - void scaleView(qreal scaleFactor); - - /** - * Transform graphviz point into Qt QPointF. - */ - QPointF gToQ(const point& p) const; - -private: - - QGraphicsScene* scene; - - QSizeF size; - - void arrow(QPainterPath& path, const QLineF& line, const QString& type); -}; - - -class Node : public QGraphicsRectItem -{ - -public: - - Node(const QRectF& rect, const QString& label); - ~Node(); - - void setLabelPen(const QPen& labelPen); - - void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget); - -private: - - QString label; - QPen labelPen; + void renderGraph(graph_t* graph); }; -- To unsubscribe, e-mail: yast-commit+unsubscribe@opensuse.org For additional commands, e-mail: yast-commit+help@opensuse.org