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acdb5d97eb
This code enables Zoom in / Out with the Wheel, and it also enables panning by moving the mouse around. Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
#ifndef PROFILEGRAPHICS_H
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#define PROFILEGRAPHICS_H
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#include "../display.h"
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#include <QGraphicsView>
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#include <QGraphicsItem>
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#include <QIcon>
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struct text_render_options;
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struct graphics_context;
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struct plot_info;
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typedef struct text_render_options text_render_options_t;
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/* To use a tooltip, simply ->setToolTip on the QGraphicsItem that you want
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* or, if it's a "global" tooltip, set it on the mouseMoveEvent of the ProfileGraphicsView.
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*/
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class ToolTipItem :public QObject, public QGraphicsPathItem
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{
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Q_OBJECT
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void updateTitlePosition();
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Q_PROPERTY(QRectF rect READ boundingRect WRITE setRect)
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public:
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enum Status{COLLAPSED, EXPANDED};
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enum {ICON_SMALL = 16, ICON_MEDIUM = 24, ICON_BIG = 32, SPACING=4};
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explicit ToolTipItem(QGraphicsItem* parent = 0);
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void collapse();
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void expand();
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void clear();
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void addToolTip(const QString& toolTip, const QIcon& icon = QIcon());
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void removeToolTip(const QString& toolTip);
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public Q_SLOTS:
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void setRect(const QRectF& rect);
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private:
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typedef QPair<QGraphicsPixmapItem*, QGraphicsSimpleTextItem*> ToolTip;
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QMap<QString, ToolTip > toolTips;
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QGraphicsPathItem *background;
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QGraphicsLineItem *separator;
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QGraphicsSimpleTextItem *title;
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QRectF rectangle;
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};
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class EventItem : public QGraphicsPolygonItem
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{
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public:
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explicit EventItem(QGraphicsItem* parent = 0);
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private:
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ToolTipItem *controller;
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QString text;
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QIcon icon;
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};
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class ProfileGraphicsView : public QGraphicsView
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{
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Q_OBJECT
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public:
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ProfileGraphicsView(QWidget* parent = 0);
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void plot(struct dive *d);
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bool eventFilter(QObject* obj, QEvent* event);
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protected:
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void resizeEvent(QResizeEvent *event);
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void mouseMoveEvent(QMouseEvent* event);
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void wheelEvent(QWheelEvent* event);
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private:
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void plot_depth_profile();
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void plot_text(text_render_options_t *tro, double x, double y, const QString &text);
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void plot_events(struct divecomputer *dc);
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void plot_one_event(struct event *event);
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void plot_temperature_profile();
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void plot_cylinder_pressure(struct dive *dive, struct divecomputer *dc);
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void plot_temperature_text();
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void plot_single_temp_text(int sec, int mkelvin);
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void plot_depth_text();
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void plot_text_samples();
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void plot_depth_sample(struct plot_data *entry, text_render_options_t *tro);
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void plot_cylinder_pressure_text();
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void plot_pressure_value(int mbar, int sec, int xalign, int yalign);
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void plot_deco_text();
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void plot_pp_gas_profile();
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void plot_pp_text();
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void plot_depth_scale();
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QColor get_sac_color(int sac, int avg_sac);
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QPen defaultPen;
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QBrush defaultBrush;
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ToolTipItem *toolTip;
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graphics_context gc;
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struct dive *dive;
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};
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#endif
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