gtk2_ardour/canvas-flag.cc

   1 /*
   2     Copyright (C) 2012 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <iostream>
  21
  22 #include "gtkmm2ext/utils.h"
  23 #include "gtkmm2ext/rgb_macros.h"
  24
  25 #include "ardour_ui.h"
  26 #include "canvas-flag.h"
  27 #include "canvas-noevent-pixbuf.h"
  28 #include "time_axis_view_item.h"
  29 #include "utils.h"
  30
  31 using namespace Gnome::Canvas;
  32 using namespace std;
  33
  34 CanvasFlag::CanvasFlag (MidiRegionView& region,
  35                         Group&          parent,
  36                         double          height,
  37                         guint           outline_color_rgba,
  38                         guint           fill_color_rgba,
  39                         double          x,
  40                         double          y)
  41         : Group(parent, x, y)
  42         , _name_pixbuf(0)
  43         , _height(height)
  44         , _outline_color_rgba(outline_color_rgba)
  45         , _fill_color_rgba(fill_color_rgba)
  46         , _region(region)
  47         , name_pixbuf_width (0)
  48         , _line(0)
  49         , _rect(0)
  50 {
  51 }
  52
  53 void
  54 CanvasFlag::delete_allocated_objects()
  55 {
  56         delete _name_pixbuf;
  57         _name_pixbuf = 0;
  58
  59         delete _line;
  60         _line = 0;
  61
  62         delete _rect;
  63         _rect = 0;
  64 }
  65
  66 void
  67 CanvasFlag::set_text (const string& text)
  68 {
  69         delete_allocated_objects();
  70
  71         _name_pixbuf = new ArdourCanvas::NoEventPixbuf (*this);
  72         name_pixbuf_width = Gtkmm2ext::pixel_width (text, TimeAxisViewItem::NAME_FONT) + 2;
  73         Gdk::Color c;
  74         set_color (c, _outline_color_rgba);
  75         _name_pixbuf->property_pixbuf() = Gtkmm2ext::pixbuf_from_string (text, TimeAxisViewItem::NAME_FONT, name_pixbuf_width,
  76                                                                          TimeAxisViewItem::NAME_HEIGHT, c);
  77         _name_pixbuf->property_x() = 10.0;
  78         _name_pixbuf->property_y() = 2.0;
  79         _name_pixbuf->show();
  80
  81         double flagwidth  = name_pixbuf_width + 8.0;
  82         double flagheight = TimeAxisViewItem::NAME_HEIGHT + 3.0;
  83         _line = new SimpleLine(*this, 0.0, 0.0, 0.0, _height);
  84         _line->property_color_rgba() = _outline_color_rgba;
  85         _rect = new SimpleRect(*this, 0.0, 0.0, flagwidth, flagheight);
  86         _rect->property_outline_color_rgba() = _outline_color_rgba;
  87         _rect->property_fill_color_rgba() = _fill_color_rgba;
  88
  89         _name_pixbuf->raise_to_top();
  90 }
  91
  92 CanvasFlag::~CanvasFlag()
  93 {
  94         delete_allocated_objects();
  95 }
  96
  97 void
  98 CanvasFlag::set_height (double h)
  99 {
 100         _height = h;
 101
 102         if (_line) {
 103                 _line->property_y2() = _height;
 104         }
 105 }