int Application::run()
{
if(!builder)
{
return -1;
}
Glib::RefPtr<Gtk::Adjustment> adj_x = Glib::RefPtr<Gtk::Adjustment>::cast_dynamic(builder->get_object("adjustment2"));
Glib::RefPtr<Gtk::Adjustment> adj_y = Glib::RefPtr<Gtk::Adjustment>::cast_dynamic(builder->get_object("adjustment1"));
MyDrawingArea *area = new MyDrawingArea(adj_x, adj_y);
Gtk::AspectFrame *frame = 0;
builder->get_widget("aspectframe1", frame);
frame->add(*area);
area->show();
builder->get_widget("window1", topLevel);
main->run(*topLevel);
return 0;
};
bool Format7DrawingArea::on_expose_event( GdkEventExpose* event )
{
Glib::RefPtr<Gdk::Window> window = get_window();
if( window == NULL)
{
return true;
}
Cairo::RefPtr<Cairo::Context> refCairo = window->create_cairo_context();
// clip to the area indicated by the expose event so that we only redraw
// the portion of the window that needs to be redrawn
refCairo->rectangle(
event->area.x,
event->area.y,
event->area.width,
event->area.height);
refCairo->clip();
// Get width / height of widget
int width;
int height;
window->get_size( width, height );
// Figure out which scale to use (horizontal or vertical)
const float horzScale = m_maxWidth / (float)width;
const float vertScale = m_maxHeight / (float)height;
m_previewScale = (horzScale < vertScale) ? vertScale : horzScale;
Gtk::AspectFrame* pFrame = (Gtk::AspectFrame*)get_parent();
float fRatio = m_maxWidth / (float)m_maxHeight;
if ( fRatio != pFrame->property_ratio())
{
pFrame->set( 0.0, 0.0, fRatio, false );
}
unsigned int scaledLeft = static_cast<unsigned int>(ToScaled( m_left ));
unsigned int scaledTop = static_cast<unsigned int>(ToScaled( m_top ));
unsigned int scaledWidth = static_cast<unsigned int>(ToScaled( m_width ));
unsigned int scaledHeight = static_cast<unsigned int>(ToScaled( m_height ));
// Fill the background with the PGR color
FillBackground(
refCairo,
event->area.x,
event->area.y,
event->area.width,
event->area.height);
// Draw the data on top of the filled background
DrawRectangle( refCairo, scaledLeft, scaledTop, scaledWidth, scaledHeight );
DrawDashedLines( refCairo, scaledLeft, scaledTop, scaledWidth, scaledHeight );
DrawImageDimensionsText( refCairo, m_left, m_top, m_width, m_height );
DrawCurrentCursorPositionText( refCairo, m_currX, m_currY );
if ( m_imageSizeChanged == true )
{
if ( m_left != m_lastFiredLeft ||
m_top != m_lastFiredTop ||
m_width != m_lastFiredWidth ||
m_height != m_lastFiredHeight )
{
m_signal_image_size_changed( m_left, m_top, m_width, m_height );
m_lastFiredLeft = m_left;
m_lastFiredTop = m_top;
m_lastFiredWidth = m_width;
m_lastFiredHeight = m_height;
}
m_imageSizeChanged = false;
}
return true;
}
Window() :
show_edges_label("Show edges"),
show_labels_label("Show contour labels"),
edge_color_label("Contour edge color"),
edge_color(Gdk::RGBA("Red")),
edge_width_label("Contour edge width"),
edge_width_adj(Gtk::Adjustment::create(1.0, 0.1, 10.0, 0.1, 1.0, 0.0)),
edge_width_spin(edge_width_adj, 0.1, 1),
nlevels_label("Number of contour edges"),
nlevels_adj(Gtk::Adjustment::create(7, 3, 20, 1, 5)),
nlevels_spin(nlevels_adj, 1, 0),
colormap_palette_label("Colormap palette"),
area_fill_pattern_label("Fill pattern"),
area_lines_width_label("Fill pattern width"),
area_lines_width_adj(Gtk::Adjustment::create(1.0, 0.1, 10.0, 0.1, 1.0, 0.0)),
area_lines_width_spin(area_lines_width_adj, 0.1, 1),
colorbar_label("Show colorbar"),
paned(Gtk::ORIENTATION_VERTICAL),
aspect_frame(Glib::ustring(), Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 1.5, false)
{
Glib::ustring x_title = "X-axis";
Glib::ustring y_title = "Y-axis";
Glib::ustring plot_title = "Intensity vs detector position";
// general window and canvas settings
set_default_size(720, 720);
Gdk::Geometry geometry;
geometry.min_aspect = geometry.max_aspect = double(720)/double(720);
set_geometry_hints(*this, geometry, Gdk::HINT_ASPECT);
set_title("Gtkmm-PLplot test8");
canvas.set_hexpand(true);
canvas.set_vexpand(true);
//read in our dataset
std::ifstream fs;
fs.exceptions(std::ifstream::failbit | std::ifstream::badbit | std::ifstream::eofbit);
// 11 x 11 dataset (I know the file layout and the data dimensions already)
const int nx = 11;
const int ny = 11;
std::vector<double> x(nx);
std::vector<double> y(ny);
#ifdef GTKMM_PLPLOT_BOOST_ENABLED
boost::multi_array<double, 2> z(boost::extents[nx][ny]);
std::cout << "Using Boost multi_array!" << std::endl;
#else
double **z = Gtk::PLplot::calloc_array2d(nx, ny);
#endif
fs.open(TEST_CSV);
std::string line;
std::getline(fs, line);
gchar **splitted = g_strsplit(line.c_str(), ",", 0);
//first line contains the x values
for (int i = 1 ; i < nx + 1 ; i++) {
x[i-1] = g_ascii_strtod(splitted[i], NULL);
}
g_strfreev(splitted);
for (int i = 0 ; i < ny ; i++) {
line.clear();
std::getline(fs, line);
splitted = g_strsplit(line.c_str(), ",", 0);
y[i] = g_ascii_strtod(splitted[0], NULL);
for (int j = 1 ; j < nx + 1 ; j++) {
z[j-1][i] = g_ascii_strtod(splitted[j], NULL);
}
g_strfreev(splitted);
}
//construct the plot
auto plot = Gtk::manage(new Gtk::PLplot::PlotContourShades(
*Gtk::manage(new Gtk::PLplot::PlotDataSurface(
x,
y,
z
)),
x_title,
y_title,
plot_title,
7,
Gtk::PLplot::ColormapPalette::BLUE_RED,
edge_color.get_rgba(),
1.0
));
canvas.add_plot(*plot);
plot->set_background_color(Gdk::RGBA("Yellow Green"));
//now let's set up the grid
grid.set_column_homogeneous(true);
grid.set_column_spacing(5);
grid.set_row_homogeneous(false);
grid.set_row_spacing(5);
int row_counter = 0;
show_edges_label.set_hexpand(true);
show_edges_label.set_vexpand(false);
show_edges_label.set_valign(Gtk::ALIGN_CENTER);
show_edges_label.set_halign(Gtk::ALIGN_END);
show_edges_switch.set_hexpand(true);
show_edges_switch.set_vexpand(false);
show_edges_switch.set_halign(Gtk::ALIGN_START);
show_edges_switch.set_valign(Gtk::ALIGN_CENTER);
show_edges_switch.set_active(plot->is_showing_edges());
show_edges_switch.property_active().signal_changed().connect([this, plot](){
if (show_edges_switch.get_active()) {
edge_color.set_sensitive();
edge_width_spin.set_sensitive();
show_labels_switch.set_sensitive();
plot->show_edges();
}
else {
edge_color.set_sensitive(false);
edge_width_spin.set_sensitive(false);
show_labels_switch.set_sensitive(false);
plot->hide_edges();
}
});
grid.attach(show_edges_label, 0, row_counter, 1, 1);
grid.attach(show_edges_switch, 1, row_counter++, 1, 1);
// show contour labels
show_labels_label.set_hexpand(true);
show_labels_label.set_vexpand(false);
show_labels_label.set_valign(Gtk::ALIGN_CENTER);
show_labels_label.set_halign(Gtk::ALIGN_END);
show_labels_switch.set_hexpand(true);
show_labels_switch.set_vexpand(false);
show_labels_switch.set_halign(Gtk::ALIGN_START);
show_labels_switch.set_valign(Gtk::ALIGN_CENTER);
show_labels_switch.set_active(plot->is_showing_labels());
show_labels_switch.property_active().signal_changed().connect([this, plot](){
if (show_labels_switch.get_active()) {
plot->show_labels();
}
else {
plot->hide_labels();
}
});
grid.attach(show_labels_label, 0, row_counter, 1, 1);
grid.attach(show_labels_switch, 1, row_counter++, 1, 1);
//color button
edge_color_label.set_hexpand(true);
edge_color_label.set_vexpand(false);
edge_color_label.set_valign(Gtk::ALIGN_CENTER);
edge_color_label.set_halign(Gtk::ALIGN_END);
edge_color.set_rgba(plot->get_edge_color());
edge_color.set_use_alpha(true);
edge_color.set_hexpand(true);
edge_color.set_vexpand(false);
edge_color.set_halign(Gtk::ALIGN_START);
edge_color.set_valign(Gtk::ALIGN_CENTER);
edge_color.signal_color_set().connect([this, plot](){plot->set_edge_color(edge_color.get_rgba());});
grid.attach(edge_color_label, 0, row_counter, 1, 1);
grid.attach(edge_color, 1, row_counter++, 1, 1);
//the edge width spinbutton
edge_width_label.set_hexpand(true);
edge_width_label.set_vexpand(false);
edge_width_label.set_valign(Gtk::ALIGN_CENTER);
edge_width_label.set_halign(Gtk::ALIGN_END);
edge_width_spin.set_hexpand(true);
edge_width_spin.set_vexpand(false);
edge_width_spin.set_halign(Gtk::ALIGN_START);
edge_width_spin.set_valign(Gtk::ALIGN_CENTER);
edge_width_spin.set_wrap(true);
edge_width_spin.set_snap_to_ticks(true);
edge_width_spin.set_numeric(true);
edge_width_spin.set_value(plot->get_edge_width());
edge_width_spin.signal_value_changed().connect([this, plot](){
plot->set_edge_width(edge_width_spin.get_value());
});
grid.attach(edge_width_label, 0, row_counter, 1, 1);
grid.attach(edge_width_spin, 1, row_counter++, 1, 1);
//nlevels
nlevels_label.set_hexpand(true);
nlevels_label.set_vexpand(false);
nlevels_label.set_valign(Gtk::ALIGN_CENTER);
nlevels_label.set_halign(Gtk::ALIGN_END);
nlevels_spin.set_hexpand(true);
nlevels_spin.set_vexpand(false);
nlevels_spin.set_halign(Gtk::ALIGN_START);
nlevels_spin.set_valign(Gtk::ALIGN_CENTER);
nlevels_spin.set_wrap(true);
nlevels_spin.set_snap_to_ticks(true);
nlevels_spin.set_numeric(true);
nlevels_spin.set_value(plot->get_nlevels());
nlevels_spin.signal_value_changed().connect([this, plot](){
plot->set_nlevels(nlevels_spin.get_value());
});
grid.attach(nlevels_label, 0, row_counter, 1, 1);
grid.attach(nlevels_spin, 1, row_counter++, 1, 1);
// colormap palette
colormap_palette_label.set_hexpand(true);
colormap_palette_label.set_vexpand(false);
colormap_palette_label.set_valign(Gtk::ALIGN_CENTER);
colormap_palette_label.set_halign(Gtk::ALIGN_END);
colormap_palette_combo.set_hexpand(true);
colormap_palette_combo.set_vexpand(false);
colormap_palette_combo.set_halign(Gtk::ALIGN_START);
colormap_palette_combo.set_valign(Gtk::ALIGN_CENTER);
colormap_palette_combo.append("Default");
colormap_palette_combo.append("Blue → Red");
colormap_palette_combo.append("Blue → Yellow");
colormap_palette_combo.append("Gray");
colormap_palette_combo.append("High frequencies");
colormap_palette_combo.append("Low frequencies");
colormap_palette_combo.append("Radar");
colormap_palette_combo.set_active(plot->get_colormap_palette());
colormap_palette_combo.signal_changed().connect([this, plot](){
plot->set_colormap_palette(static_cast<Gtk::PLplot::ColormapPalette>(colormap_palette_combo.get_active_row_number()));
});
grid.attach(colormap_palette_label, 0, row_counter, 1, 1);
grid.attach(colormap_palette_combo, 1, row_counter++, 1, 1);
//area fill pattern
area_fill_pattern_label.set_hexpand(true);
area_fill_pattern_label.set_vexpand(false);
area_fill_pattern_label.set_valign(Gtk::ALIGN_CENTER);
area_fill_pattern_label.set_halign(Gtk::ALIGN_END);
area_fill_pattern_combo.set_hexpand(true);
area_fill_pattern_combo.set_vexpand(false);
area_fill_pattern_combo.set_halign(Gtk::ALIGN_START);
area_fill_pattern_combo.set_valign(Gtk::ALIGN_CENTER);
area_fill_pattern_combo.append("Solid");
area_fill_pattern_combo.append("Horizontal lines");
area_fill_pattern_combo.append("Vertical lines");
area_fill_pattern_combo.append("Upward lines at 45 degrees");
area_fill_pattern_combo.append("Downward lines at 45 degrees");
area_fill_pattern_combo.append("Upward lines at 30 degrees");
area_fill_pattern_combo.append("Downward lines at 30 degrees");
area_fill_pattern_combo.append("Horizontal and vertical lines");
area_fill_pattern_combo.append("Upward and downward lines at 45 degrees");
area_fill_pattern_combo.set_active(plot->get_area_fill_pattern());
area_fill_pattern_combo.signal_changed().connect([this, plot](){
plot->set_area_fill_pattern(static_cast<Gtk::PLplot::AreaFillPattern>(area_fill_pattern_combo.get_active_row_number()));
if (area_fill_pattern_combo.get_active_row_number() == 0 /* SOLID */) {
area_lines_width_spin.set_sensitive(false);
}
else {
area_lines_width_spin.set_sensitive();
}
});
grid.attach(area_fill_pattern_label, 0, row_counter, 1, 1);
grid.attach(area_fill_pattern_combo, 1, row_counter++, 1, 1);
//the area lines width spinbutton
area_lines_width_label.set_hexpand(true);
area_lines_width_label.set_vexpand(false);
area_lines_width_label.set_valign(Gtk::ALIGN_CENTER);
area_lines_width_label.set_halign(Gtk::ALIGN_END);
area_lines_width_spin.set_hexpand(true);
area_lines_width_spin.set_vexpand(false);
area_lines_width_spin.set_halign(Gtk::ALIGN_START);
area_lines_width_spin.set_valign(Gtk::ALIGN_CENTER);
area_lines_width_spin.set_wrap(true);
area_lines_width_spin.set_snap_to_ticks(true);
area_lines_width_spin.set_numeric(true);
area_lines_width_spin.set_value(plot->get_area_lines_width());
area_lines_width_spin.signal_value_changed().connect([this, plot](){
plot->set_area_lines_width(area_lines_width_spin.get_value());
});
area_lines_width_spin.set_sensitive(false);
grid.attach(area_lines_width_label, 0, row_counter, 1, 1);
grid.attach(area_lines_width_spin, 1, row_counter++, 1, 1);
//colorbar
colorbar_label.set_hexpand(true);
colorbar_label.set_vexpand(false);
colorbar_label.set_valign(Gtk::ALIGN_CENTER);
colorbar_label.set_halign(Gtk::ALIGN_END);
colorbar_switch.set_hexpand(true);
colorbar_switch.set_vexpand(false);
colorbar_switch.set_halign(Gtk::ALIGN_START);
colorbar_switch.set_valign(Gtk::ALIGN_CENTER);
colorbar_switch.set_active(plot->is_showing_colorbar());
colorbar_switch.property_active().signal_changed().connect([this, plot](){
if (colorbar_switch.get_active()) {
plot->show_colorbar();
}
else {
plot->hide_colorbar();
}
});
grid.attach(colorbar_label, 0, row_counter, 1, 1);
grid.attach(colorbar_switch, 1, row_counter++, 1, 1);
paned.add1(grid);
//add canvas to grid
aspect_frame.add(canvas);
paned.add2(aspect_frame);
//finishing up
add(paned);
set_border_width(10);
#if GTKMM_MAJOR_VERSION == 3 && GTKMM_MINOR_VERSION >= 18
paned.set_wide_handle(true);
#endif
paned.show_all();
}