gtk2_ardour/canvas-flag.cc

   1 #include "canvas-flag.h"
   2 #include <iostream>
   3 #include "ardour_ui.h"
   4
   5 using namespace Gnome::Canvas;
   6 using namespace std;
   7
   8 CanvasFlag::CanvasFlag (MidiRegionView& region,
   9                         Group&          parent,
  10                         double          height,
  11                         guint           outline_color_rgba,
  12                         guint           fill_color_rgba,
  13                         double          x,
  14                         double          y)
  15         : Group(parent, x, y)
  16         , _text(0)
  17         , _height(height)
  18         , _outline_color_rgba(outline_color_rgba)
  19         , _fill_color_rgba(fill_color_rgba)
  20         , _region(region)
  21         , _line(0)
  22         , _rect(0)
  23 {
  24         /* XXX this connection is needed if ::on_event() is changed to actually do anything */
  25         signal_event().connect (sigc::mem_fun (*this, &CanvasFlag::on_event));
  26 }
  27
  28 void
  29 CanvasFlag::delete_allocated_objects()
  30 {
  31         delete _text;
  32         _text = 0;
  33
  34         delete _line;
  35         _line = 0;
  36
  37         delete _rect;
  38         _rect = 0;
  39 }
  40
  41 void
  42 CanvasFlag::set_text(const string& a_text)
  43 {
  44         delete_allocated_objects();
  45
  46         _text = new Text (*this, 0.0, 0.0, a_text);
  47         _text->property_justification() = Gtk::JUSTIFY_CENTER;
  48         _text->property_fill_color_rgba() = _outline_color_rgba;
  49         double flagwidth  = _text->property_text_width()  + 10.0;
  50         double flagheight = _text->property_text_height() + 3.0;
  51         _text->property_x() = flagwidth / 2.0;
  52         _text->property_y() = flagheight / 2.0;
  53         _text->show();
  54         _line = new SimpleLine(*this, 0.0, 0.0, 0.0, _height);
  55         _line->property_color_rgba() = _outline_color_rgba;
  56         _rect = new SimpleRect(*this, 0.0, 0.0, flagwidth, flagheight);
  57         _rect->property_outline_color_rgba() = _outline_color_rgba;
  58         _rect->property_fill_color_rgba() = _fill_color_rgba;
  59         _text->raise_to_top();
  60
  61         /* XXX these two connections are needed if ::on_event() is changed to actually do anything */
  62         //_rect->signal_event().connect (sigc::mem_fun (*this, &CanvasFlag::on_event));
  63         //_text->signal_event().connect (sigc::mem_fun (*this, &CanvasFlag::on_event));
  64 }
  65
  66 CanvasFlag::~CanvasFlag()
  67 {
  68         delete_allocated_objects();
  69 }
  70
  71 bool
  72 CanvasFlag::on_event(GdkEvent* /*ev*/)
  73 {
  74         /* XXX if you change this function to actually do anything, be sure
  75            to fix the connections commented out elsewhere in this file.
  76         */
  77         return false;
  78 }
  79
  80 void
  81 CanvasFlag::set_height (double h)
  82 {
  83         _height = h;
  84
  85         if (_line) {
  86                 _line->property_y2() = _height;
  87         }
  88 }