gtk2_ardour/canvas-flag.cc

   1 #include <iostream>
   2
   3 #include "ardour_ui.h"
   4 #include "canvas-flag.h"
   5 #include "time_axis_view_item.h"
   6
   7 using namespace Gnome::Canvas;
   8 using namespace std;
   9
  10 CanvasFlag::CanvasFlag (MidiRegionView& region,
  11                         Group&          parent,
  12                         double          height,
  13                         guint           outline_color_rgba,
  14                         guint           fill_color_rgba,
  15                         double          x,
  16                         double          y)
  17         : Group(parent, x, y)
  18         , _text(0)
  19         , _height(height)
  20         , _outline_color_rgba(outline_color_rgba)
  21         , _fill_color_rgba(fill_color_rgba)
  22         , _region(region)
  23         , _line(0)
  24         , _rect(0)
  25 {
  26         /* XXX this connection is needed if ::on_event() is changed to actually do anything */
  27         signal_event().connect (sigc::mem_fun (*this, &CanvasFlag::on_event));
  28 }
  29
  30 void
  31 CanvasFlag::delete_allocated_objects()
  32 {
  33         delete _text;
  34         _text = 0;
  35
  36         delete _line;
  37         _line = 0;
  38
  39         delete _rect;
  40         _rect = 0;
  41 }
  42
  43 void
  44 CanvasFlag::set_text(const string& a_text)
  45 {
  46         delete_allocated_objects();
  47
  48         _text = new NoEventText (*this, 0.0, 0.0, a_text);
  49         _text->property_justification() = Gtk::JUSTIFY_CENTER;
  50         _text->property_fill_color_rgba() = _outline_color_rgba;
  51         _text->property_font_desc() = TimeAxisViewItem::NAME_FONT;
  52         double flagwidth  = _text->property_text_width()  + 10.0;
  53         double flagheight = _text->property_text_height() + 3.0;
  54         _text->property_x() = flagwidth / 2.0;
  55         _text->property_y() = flagheight / 2.0;
  56         _text->show();
  57         _line = new SimpleLine(*this, 0.0, 0.0, 0.0, _height);
  58         _line->property_color_rgba() = _outline_color_rgba;
  59         _rect = new SimpleRect(*this, 0.0, 0.0, flagwidth, flagheight);
  60         _rect->property_outline_color_rgba() = _outline_color_rgba;
  61         _rect->property_fill_color_rgba() = _fill_color_rgba;
  62         _text->raise_to_top();
  63
  64         /* XXX these two connections are needed if ::on_event() is changed to actually do anything */
  65         //_rect->signal_event().connect (sigc::mem_fun (*this, &CanvasFlag::on_event));
  66         //_text->signal_event().connect (sigc::mem_fun (*this, &CanvasFlag::on_event));
  67 }
  68
  69 CanvasFlag::~CanvasFlag()
  70 {
  71         delete_allocated_objects();
  72 }
  73
  74 bool
  75 CanvasFlag::on_event(GdkEvent* /*ev*/)
  76 {
  77         /* XXX if you change this function to actually do anything, be sure
  78            to fix the connections commented out elsewhere in this file.
  79         */
  80         return false;
  81 }
  82
  83 void
  84 CanvasFlag::set_height (double h)
  85 {
  86         _height = h;
  87
  88         if (_line) {
  89                 _line->property_y2() = _height;
  90         }
  91 }