src/EventBox.cpp

   1 #include <gtkmm/label.h>
   2 #include <gtkmm/separator.h>
   3
   4 #include <iostream>
   5 #include "EventBox.h"
   6 #include <cstring>
   7
   8 NewEventBox::NewEventBox() :
   9     Gtk::EventBox ()
  10 {
  11    add (vBox);
  12    vBox.pack_start (hBoxUp);
  13    vBox.pack_start (hBoxDown);
  14    Gtk::Label* lB0 = new Gtk::Label ("rrr");
  15    hBoxUp.pack_start (*lB0);
  16    for (int i=0; i<5; i++)
  17    {
  18        Gtk::Widget* w = new Gtk::HSeparator;
  19        hBoxUp.pack_start (*w);
  20    }
  21    Gtk::Label* lB1 = new Gtk::Label ("ttt");
  22    hBoxUp.pack_start (*lB1);
  23 //   hbox.add(btn1);
  24 //   hbox.add(btn2);
  25    show_all();
  26 }
  27
  28 bool NewEventBox::on_expose_event (GdkEventExpose* event)
  29 {
  30    bool rv = Gtk::EventBox::on_expose_event (event);
  31    int scale = 1;
  32    int width = get_allocation().get_width();
  33    int height = get_allocation().get_height();
  34    double scale_x = (double)width / scale;
  35    double scale_y = (double)height / scale;
  36
  37    Cairo::RefPtr<Cairo::Context> cr = this->get_window()->create_cairo_context();
  38
  39 //cr->move_to(get_allocation().get_width()/2,get_allocation().get_height()/2);
  40    cr->save ();
  41    cr->translate (width/2.0, height/2.0);
  42    double radius = 400;//width < height ? width-40 : height-40;
  43    radius /= 2.0;
  44    cr->scale (radius, radius);
  45    cr->arc (0.0, 0.0, 1.0, 0.0, 2 * 3.14);
  46    cr->arc_negative (0.0, 0.0, 1.0, 0.0, 2 * 3.14);
  47    cr->fill ();
  48    cr->restore ();
  49    cr->stroke ();
  50
  51    return rv;
  52 }
  53
  54 void NewEventBox::on_realize (void)
  55 {
  56     //
  57     // Base class call
  58     //
  59     Gtk::EventBox::on_realize ();
  60
  61     ensure_style ();
  62
  63     std::cout << __FUNCTION__ << std::endl;
  64
  65     //
  66     // Create window
  67     //
  68
  69     GdkWindowAttr attributes;
  70     memset (&attributes, 0, sizeof(attributes));
  71
  72     Gtk::Allocation allocation = get_allocation ();
  73
  74     //
  75     // Set initial position and size of the Gdk::Window:
  76     //
  77     attributes.x = allocation.get_x();
  78     attributes.y = allocation.get_y();
  79     attributes.width = allocation.get_width();
  80     attributes.height = allocation.get_height();
  81
  82     attributes.event_mask = get_events () | Gdk::EXPOSURE_MASK;
  83     attributes.window_type = GDK_WINDOW_CHILD;
  84     attributes.wclass = GDK_INPUT_OUTPUT;
  85
  86     //
  87     // set colors
  88     //
  89     Gdk::Color bgCol;
  90     bgCol.set_rgb_p (0.7, 0.4, 0.4);
  91     Gdk::Color fgCol;
  92     fgCol.set_rgb_p (0.0, 0.0, 0.0);
  93     modify_bg (Gtk::STATE_NORMAL , bgCol);
  94     modify_fg (Gtk::STATE_NORMAL , fgCol);
  95 }