Main functional added. Need Zoom/Move, Cursors.

This commit is contained in:
Kolan Sh 2017-02-16 15:10:53 +03:00
parent 9d1cfc0ffa
commit f2e220b92e
10 changed files with 1652 additions and 75 deletions

4
.gitmodules vendored
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[submodule "cmake/backbone"]
path = cmake/backbone
url = git@git.backbone.ws:cmake/backbone.git
url = git@git.backbone.ws:make/cmake-backbone-modules.git
[submodule "util/backbone-utils"]
path = util/backbone
url = git@git.backbone.ws:cmake/backbone-utils.git
url = git@git.backbone.ws:make/cmake-backbone-utils.git

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PROJECT (GtkChart C)
PROJECT (CairoChart C)
CMAKE_MINIMUM_REQUIRED (VERSION 2.8)
SET (PROJECT_LOWERCASE_NAME "gtk-chart")
SET (PROJECT_DESCRIPTION "GtkChart for Gtk.DrawingArea.")
SET (PROJECT_LOWERCASE_NAME "cairo-chart")
SET (PROJECT_DESCRIPTION "GtkChart for Gtk.DrawingArea (Cairo).")
SET (MAJOR 0)
SET (MINOR 0)

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SET (LibName ${PROJECT_LOWERCASE_NAME})
FILE (GLOB_RECURSE LibSources RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.vala)
SET (LibPackages cairo)
SET (LibPackages cairo gtk+-3.0)
SET (LibPkgModules gtk+-3.0)
SET (LibInstall ON)
SET (LibExtraSources ${CMAKE_CURRENT_BINARY_DIR}/library_constructor.c)
SET (LC_RELATIVE_PREFIX "..")
CONFIGURE_FILE ( "${CMAKE_SOURCE_DIR}/cmake/backbone/templates/library_constructor.c.in" "${LibExtraSources}")
INCLUDE_DIRECTORIES ("${CMAKE_SOURCE_DIR}/src")
SET (LibCustomVapis ${CMAKE_SOURCE_DIR}/src/float128type.vapi)
INCLUDE (ValaLibCommonRules)

115
src/Common.vala Normal file
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using Cairo;
namespace Gtk.CairoChart {
public struct Color {
double red;
double green;
double blue;
double alpha;
public Color (double red = 0.0, double green = 0.0, double blue = 0.0, double alpha = 1.0) {
this.red = red; this.green = green; this.blue = blue; this.alpha = alpha;
}
}
public enum FontOrient {
HORIZONTAL = 0,
VERTICAL
}
public struct FontStyle {
string family;
FontSlant slant;
FontWeight weight;
FontOrient orientation;
double size;
public FontStyle (string family = "Sans",
FontSlant slant = Cairo.FontSlant.NORMAL,
FontWeight weight = Cairo.FontWeight.NORMAL,
double size = 10) {
this.family = family;
this.slant = slant;
this.weight = weight;
this.size = size;
}
}
public struct LineStyle {
double width;
LineJoin line_join;
LineCap line_cap;
double[]? dashes;
double dash_offset;
Color color;
public LineStyle (double width = 1,
LineJoin line_join = Cairo.LineJoin.MITER,
LineCap line_cap = Cairo.LineCap.ROUND,
double[]? dashes = null, double dash_offset = 0,
Color color = Color()) {
this.width = width;
this.line_join = line_join;
this.line_cap = line_cap;
this.dashes = dashes;
this.dash_offset = dash_offset;
this.color = color;
}
}
[Compact]
public class Text {
public string text = "";
public FontStyle style = new FontStyle ();
public Color color = new Color();
TextExtents get_extents (Cairo.Context context) {
context.select_font_face (style.family,
style.slant,
style.weight);
context.set_font_size (style.size);
TextExtents extents;
context.text_extents (text, out extents);
return extents;
}
public double get_width (Cairo.Context context) {
var extents = get_extents (context);
if (style.orientation == FontOrient.HORIZONTAL)
return extents.width;
else
return extents.height;
}
public double get_height (Cairo.Context context) {
var extents = get_extents (context);
if (style.orientation == FontOrient.HORIZONTAL)
return extents.height;
else
return extents.width;
}
public double get_x_bearing (Cairo.Context context) {
var extents = get_extents (context);
if (style.orientation == FontOrient.HORIZONTAL)
return extents.x_bearing;
else
return extents.y_bearing;
}
public Text (string text = "",
FontStyle style = new FontStyle(),
Color color = new Color()) {
this.text = text;
this.style = style;
this.color = color;
}
public Text.by_instance (Text text) {
this.text = text.text;
this.style = text.style;
this.color = text.color;
}
}
}

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src/Series.vala Normal file
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using Cairo;
namespace Gtk.CairoChart {
public class Series {
public struct Point {
Double128 x;
Double128 y;
public Point (Double128 x, Double128 y) {
this.x = x; this.y = y;
}
}
public Point[] points = {};
public enum Sort {
BY_X = 0,
BY_Y = 1,
NO_SORT
}
public Sort sort = Sort.BY_X;
// If one of axis:title or axis:min/max are different
// then draw separate axis for each/all series
// or specify series name near the axis
public class Axis {
public Double128 min = 0;
public Double128 max = 1;
public Text title = new Text ("");
public enum Type {
NUMBERS = 0,
DATE_TIME
}
public enum ScaleType {
LINEAR = 0, // default
// LOGARITHMIC, // TODO
// etc
}
public Type type;
public ScaleType scale_type;
public enum Position {
LOW = 0,
HIGH = 1,
BOTH = 2
}
public Position position = Position.LOW;
string _format = "%.2Lf";
string _date_format = "%Y.%m.%d";
string _time_format = "%H:%M:%S";
int _dsec_signs = 2; // 2 signs = centiseconds
public string format {
get { return _format; }
set {
// TODO: check format
_format = value;
}
default = "%.2Lf";
}
public string date_format {
get { return _date_format; }
set {
// TODO: check format
_date_format = value;
}
default = "%Y.%m.%d";
}
public string time_format {
get { return _time_format; }
set {
// TODO: check format
_time_format = value;
}
default = "%H:%M:%S";
}
public int dsec_signs {
get { return _dsec_signs; }
set {
// TODO: check format
_dsec_signs = value;
}
default = 2;
}
public FontStyle font_style = new FontStyle ();
public Color color = new Color ();
public LineStyle line_style = new LineStyle ();
public double font_indent = 5;
public Axis () {}
}
public Axis axis_x = new Axis();
public Axis axis_y = new Axis();
public struct Place {
double x_low;
double x_high;
double y_low;
double y_high;
public Place (double x_low = 0, double x_high = 0, double y_low = 0, double y_high = 0) {
this.x_low = x_low;
this.x_high = x_high;
this.y_low = y_low;
this.y_high = y_high;
}
}
public enum MarkerType {
NONE = 0, // default
SQUARE,
CIRCLE,
TRIANGLE,
PRICLE_SQUARE,
PRICLE_CIRCLE,
PRICLE_TRIANGLE
}
public Place place = new Place();
public Text title = new Text ();
public MarkerType marker_type = MarkerType.SQUARE;
public class Grid {
/*public enum GridType {
PRICK_LINE = 0, // default
LINE
}*/
public Color color = Color (0, 0, 0, 0.1);
public LineStyle line_style = new LineStyle ();
public Grid () {
line_style.dashes = {2, 3};
}
}
public Grid grid = new Grid ();
public GLib.List<Double128?> cursors = new List<Double128?> ();
public LineStyle line_style = new LineStyle ();
protected Color _color = Color (0.0, 0.0, 0.0, 1.0);
public Color color {
get { return _color; }
set {
_color = value;
line_style.color = _color;
axis_x.color = _color;
axis_y.color = _color;
grid.color = _color;
grid.color.alpha = 0.5;
grid.line_style.color = _color;
grid.line_style.color.alpha = 0.5;
}
default = new Color (0.0, 0.0, 0.0, 1.0);
}
public Series () {
}
public class LabelStyle {
FontStyle font_style = new FontStyle();
LineStyle frame_line_style = new LineStyle();
Color bg_color = new Color();
Color frame_color = new Color();
}
}
}

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src/float128type.h Normal file
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typedef long double double128;

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src/float128type.vapi Normal file
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[CCode (cname = "double128", has_type_id = false, cheader_filename = "float128type.h")]
public struct Double128 : double {}

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SET (BinName chart_test)
FILE (GLOB_RECURSE BinSources RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ChartTest.vala)
SET (BinPackages gtk+-3.0)
SET (BinCustomVapis ${CMAKE_BINARY_DIR}/src/${PROJECT_LOWERCASE_NAME}-${MAJOR}.vapi)
SET (BinCustomVapis ${CMAKE_BINARY_DIR}/src/${PROJECT_LOWERCASE_NAME}-${MAJOR}.vapi ${CMAKE_SOURCE_DIR}/src/float128type.vapi)
SET (BinLinkLibs ${PROJECT_LOWERCASE_NAME})
INCLUDE_DIRECTORIES ("${CMAKE_BINARY_DIR}/src")
INCLUDE_DIRECTORIES ("${CMAKE_BINARY_DIR}/src;${CMAKE_SOURCE_DIR}/src")
INCLUDE (ValaBinCommonRules)

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using Gtk;
using Gtk, CairoChart;
void plot_chart1 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(0, 0), new Series.Point(2, 1), new Series.Point(1, 3)};
s1.axis_x.position = Series.Axis.Position.HIGH;
s1.axis_x.format = "%.3Lf";
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(9, 17), new Series.Point(2, 10), new Series.Point(122, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = 0; s1.axis_x.max = 2;
s1.axis_y.min = 0; s1.axis_y.max = 3;
s1.place.x_low = 0.25; s1.place.x_high = 0.75;
s1.place.y_low = 0.3; s1.place.y_high = 0.9;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.5; s2.place.x_high = 1;
s2.place.y_low = 0.0; s2.place.y_high = 0.5;
s3.axis_x.min = 0; s3.axis_x.max = 130;
s3.axis_y.min = 15; s3.axis_y.max = 35;
s3.place.x_low = 0; s3.place.x_high = 0.5;
s3.place.y_low = 0.5; s3.place.y_high = 1.0;
s2.marker_type = Series.MarkerType.CIRCLE;
s3.marker_type = Series.MarkerType.PRICLE_TRIANGLE;
s1.axis_x.title = new Text("Series 1: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("Series 2: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("Series 3: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
chart.series = { s1, s2, s3 };
}
void plot_chart2 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(-12, 0), new Series.Point(2, 1), new Series.Point(20, 3)};
s2.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.format = "%.3Lf";
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(9, 17), new Series.Point(2, 10), new Series.Point(-15, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = -15; s1.axis_x.max = 30;
s1.axis_y.min = 0; s1.axis_y.max = 3;
s1.place.x_low = 0.0; s1.place.x_high = 1.0;
s1.place.y_low = 0.3; s1.place.y_high = 0.9;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.0; s2.place.x_high = 1.0;
s2.place.y_low = 0.0; s2.place.y_high = 0.5;
s3.axis_x.min = -15; s3.axis_x.max = 30;
s3.axis_y.min = 15; s3.axis_y.max = 35;
s3.place.x_low = 0.0; s3.place.x_high = 1.0;
s3.place.y_low = 0.5; s3.place.y_high = 1.0;
s1.marker_type = Series.MarkerType.PRICLE_CIRCLE;
s2.marker_type = Series.MarkerType.PRICLE_SQUARE;
s1.axis_x.title = new Text("All Series: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("All Series: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("All Series: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
chart.series = { s1, s2, s3 };
}
void plot_chart3 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(0, 70), new Series.Point(2, 155), new Series.Point(1, -3)};
s1.axis_x.position = Series.Axis.Position.HIGH;
s1.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.format = "%.3Lf";
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s2.axis_y.position = Series.Axis.Position.HIGH;
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(9, -17), new Series.Point(2, 10), new Series.Point(122, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = 0; s1.axis_x.max = 2;
s1.axis_y.min = -20; s1.axis_y.max = 200;
s1.place.x_low = 0.25; s1.place.x_high = 0.75;
s1.place.y_low = 0.0; s1.place.y_high = 1.0;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.5; s2.place.x_high = 1;
s2.place.y_low = 0.0; s2.place.y_high = 1.0;
s3.axis_x.min = 0; s3.axis_x.max = 130;
s3.axis_y.min = -20; s3.axis_y.max = 200;
s3.place.x_low = 0; s3.place.x_high = 0.5;
s3.place.y_low = 0.0; s3.place.y_high = 1.0;
s2.marker_type = Series.MarkerType.PRICLE_CIRCLE;
s3.marker_type = Series.MarkerType.TRIANGLE;
s1.axis_x.title = new Text("Series 1: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("Series 2: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("Series 3: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
chart.series = { s1, s2, s3 };
}
void plot_chart4 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
var s4 = new Series ();
s1.axis_x.type = Series.Axis.Type.DATE_TIME;
s3.axis_x.type = Series.Axis.Type.DATE_TIME;
s4.axis_x.type = Series.Axis.Type.DATE_TIME;
s4.axis_x.dsec_signs = 5;
var now = new DateTime.now_local().to_unix();
var high = (uint64) (253000000000L);
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(now, 70), new Series.Point(now - 100000, 155), new Series.Point(now + 100000, 30)};
s1.axis_x.position = Series.Axis.Position.HIGH;
s1.axis_y.position = Series.Axis.Position.HIGH;
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s2.axis_y.position = Series.Axis.Position.HIGH;
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(high - 2 + 0.73, -17), new Series.Point(high - 1 + 0.234, 10), new Series.Point(high + 1 + 0.411, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s4.title = new Text("Series 4"); s4.color = new Color (0.5, 0.3, 0.9);
s4.points = {new Series.Point(high + 0.005, -19.05), new Series.Point(high + 0.0051, 28), new Series.Point(high + 0.0052, 55), new Series.Point(high + 0.0053, 44)};
s4.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = now - 100000; s1.axis_x.max = now + 100000;
s1.axis_y.min = -20; s1.axis_y.max = 200;
s1.place.x_low = 0.25; s1.place.x_high = 0.75;
s1.place.y_low = 0.0; s1.place.y_high = 1.0;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.2; s2.place.x_high = 1;
s2.place.y_low = 0.0; s2.place.y_high = 1.0;
s3.axis_x.min = high - 2; s3.axis_x.max = high + 1;
s3.axis_y.min = -20; s3.axis_y.max = 200;
s3.place.x_low = 0; s3.place.x_high = 0.8;
s3.place.y_low = 0.0; s3.place.y_high = 1.0;
s4.axis_x.min = high + 0.0049; s4.axis_x.max = high + 0.0054;
s4.axis_y.min = -20; s4.axis_y.max = 200;
s4.place.x_low = 0.2; s4.place.x_high = 1.0;
s4.place.y_low = 0.0; s4.place.y_high = 1.0;
s2.marker_type = Series.MarkerType.PRICLE_CIRCLE;
s3.marker_type = Series.MarkerType.TRIANGLE;
s4.marker_type = Series.MarkerType.PRICLE_SQUARE;
s1.axis_x.title = new Text("Series 1: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("Series 2: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("Series 3: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
s4.axis_x.title = new Text("Series 4: Axis X.");
s4.axis_y.title = new Text("Series 4: Axis Y.");
chart.series = { s1, s2, s3, s4 };
}
int main (string[] args) {
init (ref args);
var window = new Window ();
window.title = "Gtk.Chart Test.";
window.border_width = 10;
window.title = "Chart Test.";
window.border_width = 5;
window.window_position = WindowPosition.CENTER;
window.set_default_size (640, 480);
window.destroy.connect (main_quit);
var da = new DrawingArea();
var chart = new Gtk.Chart();
var label = new Label ("Gtk.Chart Test!");
var button = new Button.with_label("Click me");
button.clicked.connect (() => {
da.draw.connect((context) => {
chart.draw(context);
return true;
});
var chart1 = new Chart();
var chart2 = new Chart();
var chart3 = new Chart();
var chart4 = new Chart();
var label = new Label ("Chart Test!");
var button1 = new Button.with_label("Separate axes");
var button2 = new Button.with_label("Common X axes");
var button3 = new Button.with_label("Common Y axes");
var button4 = new Button.with_label("Dates/Times");
var button5 = new Button.with_label("rm Axis Titles");
var button6 = new Button.with_label("rm Dates");
var button7 = new Button.with_label("rm Times");
plot_chart1 (chart1);
plot_chart2 (chart2);
plot_chart3 (chart3);
plot_chart4 (chart4);
var da = new DrawingArea();
da.set_events ( Gdk.EventMask.BUTTON_PRESS_MASK
|Gdk.EventMask.BUTTON_RELEASE_MASK
|Gdk.EventMask.POINTER_MOTION_MASK
);
var chart = chart1;
var radio_button1 = new RadioButton.with_label (null, "Top Legend");
var radio_button2 = new RadioButton.with_label (radio_button1.get_group(), "Right Legend");
var radio_button3 = new RadioButton.with_label_from_widget (radio_button1, "Left Legend");
var radio_button4 = new RadioButton.with_label_from_widget (radio_button1, "Bottom Legend");
button1.clicked.connect (() => {
chart = chart1; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button3.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button2.clicked.connect (() => {
chart = chart2; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button3.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button3.clicked.connect (() => {
chart = chart3; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button3.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button4.clicked.connect (() => {
chart = chart4; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button4.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button5.clicked.connect (() => {
for (var i = 0; i < chart.series.length; ++i) {
var s = chart.series[i];
s.axis_x.title.text = "";
s.axis_y.title.text = "";
}
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
});
button6.clicked.connect (() => {
for (var i = 0; i < chart.series.length; ++i) {
var s = chart.series[i];
s.axis_x.date_format = "";
}
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
});
button7.clicked.connect (() => {
for (var i = 0; i < chart.series.length; ++i) {
var s = chart.series[i];
s.axis_x.time_format = "";
}
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
});
radio_button1.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.TOP;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
radio_button2.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.RIGHT;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
radio_button3.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.LEFT;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
radio_button4.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.BOTTOM;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
da.draw.connect((context) => {
// user's pre draw operations here...
chart.context = context;
var ret = chart.draw();
// user's post draw operations here...
return ret;
});
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
da.button_release_event.connect((event) => {
// user's pre button_release_event operations here...
var ret = chart.button_release_event(event);
// user's post button_release_event operations here...
return ret;
});
da.button_press_event.connect((event) => {
// user's pre button_press_event operations here...
var ret = chart.button_press_event(event);
// user's post button_press_event operations here...
return ret;
});
da.motion_notify_event.connect((event) => {
// user's pre motion_notify_event operations here...
var ret = chart.motion_notify_event(event);
// user's post motion_notify_event operations here...
return ret;
});
var vbox2 = new Box(Orientation.VERTICAL, 0);
vbox2.pack_end(button, false, false, 0);
vbox2.pack_start(button1, false, false, 0);
vbox2.pack_start(button2, false, false, 0);
vbox2.pack_start(button3, false, false, 0);
vbox2.pack_start(button4, false, false, 0);
vbox2.pack_start(button5, false, false, 0);
vbox2.pack_start(button6, false, false, 0);
vbox2.pack_start(button7, false, false, 0);
vbox2.pack_start(radio_button1, false, false, 0);
vbox2.pack_start(radio_button2, false, false, 0);
vbox2.pack_start(radio_button3, false, false, 0);
vbox2.pack_start(radio_button4, false, false, 0);
var hbox = new Box(Orientation.HORIZONTAL, 0);
hbox.pack_start(da, true, true, 0);
@ -38,6 +379,7 @@ int main (string[] args) {
window.show_all();
Double128 d = 5.5;
Gtk.main();
return 0;
}