MultiLayer.h

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00001 /***************************************************************************
00002     File                 : MultiLayer.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2006 - 2009 by Ion Vasilief, Knut Franke
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr, knut.franke*gmx.de
00007     Description          : Multi layer widget
00008 
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #ifndef MULTILAYER_H
00030 #define MULTILAYER_H
00031 
00032 #include <MdiSubWindow.h>
00033 #include <FrameWidget.h>
00034 #include <QPushButton>
00035 #include <QLayout>
00036 #include <QPointer>
00037 
00038 class QTextDocument;
00039 class QLabel;
00040 class LayerButton;
00041 class SelectionMoveResizer;
00042 class LegendWidget;
00043 class Graph;
00044 class QwtPlotCurve;
00045 class Matrix;
00046 
00064 class MultiLayer: public MdiSubWindow
00065 {
00066     Q_OBJECT
00067 
00068 public:
00069     MultiLayer (ApplicationWindow* parent = 0, int layers = 1, int rows = 1, int cols = 1, const QString& label = "", const char* name=0, Qt::WFlags f=0);
00070     ~MultiLayer();
00071 
00072     QList<Graph *> layersList(){return graphsList;};
00073     QList<Graph*> stackOrderedLayersList();
00074     Graph *layer(int num);
00075     int layerIndex(Graph *g){return graphsList.indexOf(g);};
00076 
00077     int numLayers(){return graphsList.size();};
00078     void setNumLayers(int n);
00079 
00080     void copy(MultiLayer* ml);
00081 
00082     enum HorAlignement{HCenter, Left, Right};
00083     enum VertAlignement{VCenter, Top, Bottom};
00084     enum AlignPolicy{AlignLayers = 0, AlignCanvases};
00085     enum SizePolicy{Expanding = 0, UserSize};
00086 
00087     bool scaleLayersOnPrint(){return d_scale_on_print;};
00088     void setScaleLayersOnPrint(bool on){d_scale_on_print = on;};
00089 
00090     bool printCropmarksEnabled(){return d_print_cropmarks;};
00091     void printCropmarks(bool on){d_print_cropmarks = on;};
00092 
00093     bool scaleLayersOnResize(){return d_scale_layers;};
00094     void setScaleLayersOnResize(bool ok){d_scale_layers = ok;};
00095 
00096     QWidget *canvas(){return d_canvas;};
00097     QRect canvasRect(){return d_canvas->rect();};
00098     QRect canvasChildrenRect();
00099     virtual QString sizeToString();
00100 
00101     void setWaterfallLayout(bool on = true);
00102     void createWaterfallBox();
00103     bool isWaterfallPlot(){return d_is_waterfall_plot;};
00104     int waterfallXOffset(){return d_waterfall_offset_x;};
00105     int waterfallYOffset(){return d_waterfall_offset_y;};
00106     void setWaterfallOffset(int x, int y, bool update = false);
00107     bool sideLinesEnabled(){return d_side_lines;};
00108 
00109     void setEqualSizedLayers();
00110 
00111     void plotProfiles(Matrix* m);
00112 
00113     QHBoxLayout *toolBox(){return toolbuttonsBox;};
00114 
00115     AlignPolicy alignPolicy(){return d_align_policy;};
00116     void setAlignPolicy(const AlignPolicy& policy){d_align_policy = policy;};
00117 
00118     SizePolicy sizePolicy(){return d_size_policy;};
00119     void setSizePolicy(const SizePolicy& policy){d_size_policy = policy;};
00120 
00121     void setCommonLayerAxes(bool verticalAxis = true, bool horizontalAxis = true);
00122     void linkXLayerAxes(bool link = true);
00123     bool hasLinkedXLayerAxes(){return d_link_x_axes;};
00124 
00125 public slots:
00126     Graph* addLayer(int x = 0, int y = 0, int width = 0, int height = 0, bool = false);
00127 
00128     bool isEmpty();
00129     bool removeLayer(Graph *g);
00130     bool removeActiveLayer();
00131     void confirmRemoveLayer();
00132 
00133     Graph* activeLayer(){return active_graph;};
00134     void setActiveLayer(Graph* g);
00135     void activateGraph(LayerButton* button);
00136 
00138     Graph* layerAt(const QPoint& pos);
00139     void setGraphGeometry(int x, int y, int w, int h);
00140 
00141     void findBestLayout(int &rows, int &cols);
00142 
00143     QSize arrangeLayers(bool userSize);
00144     bool arrangeLayers(bool fit, bool userSize);
00145     bool swapLayers(int src, int dest);
00146     void adjustSize();
00147     void updateLayersLayout(Graph *);
00148 
00149     int getRows(){return d_rows;};
00150     void setRows(int r);
00151 
00152     int getCols(){return d_cols;};
00153     void setCols(int c);
00154 
00155     int colsSpacing(){return colsSpace;};
00156     int rowsSpacing(){return rowsSpace;};
00157     void setSpacing (int rgap, int cgap);
00158 
00159     int leftMargin(){return left_margin;};
00160     int rightMargin(){return right_margin;};
00161     int topMargin(){return top_margin;};
00162     int bottomMargin(){return bottom_margin;};
00163     void setMargins (int lm, int rm, int tm, int bm);
00164 
00165     QSize layerCanvasSize(){return QSize(l_canvas_width, l_canvas_height);};
00166     void setLayerCanvasSize (int w, int h);
00167 
00168     int horizontalAlignement(){return hor_align;};
00169     int verticalAlignement(){return vert_align;};
00170     void setAlignement (int ha, int va);
00171 
00173 
00174     QPixmap canvasPixmap(const QSize& size = QSize(), double scaleFontsFactor = 1.0, bool transparent = false);
00175     void exportToFile(const QString& fileName);
00176     void exportImage(QTextDocument *document, int quality = 100, bool transparent = false,
00177         int dpi = 0, const QSizeF& customSize = QSizeF (), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00178     void exportImage(const QString& fileName, int quality = 100, bool transparent = false,
00179         int dpi = 0, const QSizeF& customSize = QSizeF (), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00180     void exportSVG(const QString& fname, const QSizeF& customSize = QSizeF(), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00181     void exportPDF(const QString& fname);
00182     void exportVector(const QString& fileName, int res = 0, bool color = true,
00183         const QSizeF& customSize = QSizeF (), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00184 
00185     void draw(QPaintDevice *, const QSizeF& customSize, int unit, int res, double fontsFactor = 1.0);
00186 
00187 #ifdef EMF_OUTPUT
00188     void exportEMF(const QString& fname, const QSizeF& customSize = QSizeF(), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00189 #endif
00190     void exportTeX(const QString& fname, bool color = true, bool escapeStrings = true, bool fontSizes = true,
00191                     const QSizeF& customSize = QSizeF(), int unit = FrameWidget::Pixel, double fontsFactor = 1.0);
00192 
00193     void copyAllLayers();
00194     void print();
00195     void print(QPrinter *);
00196     void printAllLayers(QPainter *painter);
00197     void printActiveLayer();
00199 
00200     void setFonts(const QFont& titleFnt, const QFont& scaleFnt,
00201                             const QFont& numbersFnt, const QFont& legendFnt);
00202 
00203     void connectLayer(Graph *g);
00204 
00205     void save(const QString& fn, const QString& geometry, bool = false);
00206 
00207     bool hasSelectedLayers();
00208 
00210 
00211     void showWaterfallOffsetDialog();
00212     void reverseWaterfallOrder();
00213     void showWaterfallFillDialog();
00214     void setWaterfallFillColor(const QColor&);
00215     void updateWaterfallFill(bool on);
00216     void setWaterfallSideLines(bool on = true);
00217     void changeWaterfallXOffset(int);
00218     void changeWaterfallYOffset(int);
00219     void updateWaterfallLayout();
00220     void updateWaterfallScales(Graph *g, int axis);
00222 
00223     void updateLayerAxes(Graph *g, int axis);
00224 
00225 signals:
00226     void showEnrichementDialog();
00227     void showCurvesDialog();
00228     void drawLineEnded(bool);
00229     void showMarkerPopupMenu();
00230     void modifiedPlot();
00231     void cursorInfo(const QString&);
00232     void showLineDialog();
00233     void pasteMarker();
00234     void setPointerCursor();
00235     void currentFontChanged(const QFont&);
00236 
00237 private:
00239 
00240     void dropEvent(QDropEvent*);
00241     void dragEnterEvent(QDragEnterEvent*);
00242     void wheelEvent(QWheelEvent *);
00243     void keyPressEvent(QKeyEvent *);
00244     bool eventFilter(QObject *object, QEvent *);
00245     void releaseLayer();
00246     void resizeLayers(QResizeEvent *);
00248 
00249     LayerButton* addLayerButton();
00250 
00251     Graph* active_graph;
00253     int d_cols, d_rows, graph_width, graph_height, colsSpace, rowsSpace;
00254     int left_margin, right_margin, top_margin, bottom_margin;
00255     int l_canvas_width, l_canvas_height, hor_align, vert_align;
00256     bool d_scale_on_print, d_print_cropmarks;
00258     bool d_scale_layers;
00259 
00260     QList<LayerButton *> buttonsList;
00261     QList<Graph *> graphsList;
00262     QHBoxLayout *layerButtonsBox, *waterfallBox, *toolbuttonsBox;
00263     QWidget *d_canvas;
00264 
00265     QPointer<SelectionMoveResizer> d_layers_selector;
00266 
00267     int d_waterfall_offset_x, d_waterfall_offset_y;
00268     bool d_is_waterfall_plot;
00270     bool d_side_lines;
00271     QColor d_waterfall_fill_color;
00272 
00273     QPushButton *d_add_layer_btn, *d_remove_layer_btn;
00274 
00275     QSize d_canvas_size;
00276 
00277     AlignPolicy d_align_policy;
00278     SizePolicy d_size_policy;
00279     bool d_link_x_axes;
00280 };
00281 
00283 class LayerButton: public QPushButton
00284 {
00285     Q_OBJECT
00286 
00287 public:
00288     LayerButton (const QString& text = QString::null, QWidget* parent = 0);
00289     static int btnSize(){return 20;};
00290 
00291 protected:
00292     void mousePressEvent( QMouseEvent * );
00293     void mouseDoubleClickEvent ( QMouseEvent * );
00294 
00295 signals:
00296     void showCurvesDialog();
00297     void clicked(LayerButton*);
00298 };
00299 
00300 #endif