diff options
Diffstat (limited to 'gtk2_ardour/control_point.cc')
| -rw-r--r-- | gtk2_ardour/control_point.cc | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/gtk2_ardour/control_point.cc b/gtk2_ardour/control_point.cc new file mode 100644 index 0000000000..b43826720c --- /dev/null +++ b/gtk2_ardour/control_point.cc @@ -0,0 +1,202 @@ +/* + Copyright (C) 2002-2007 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include "control_point.h" +#include "diamond.h" +#include "automation_line.h" +#include "ardour_ui.h" +#include "public_editor.h" + +#include "i18n.h" + +using namespace std; +using namespace sigc; +using namespace ARDOUR; +using namespace PBD; +using namespace Gnome; // for Canvas + +ControlPoint::ControlPoint (AutomationLine& al) + : _line (al) +{ + _model = al.the_list()->end(); + _view_index = 0; + _can_slide = true; + _x = 0; + _y = 0; + _shape = Full; + _size = 4.0; + _selected = false; + + _item = new Canvas::SimpleRect (_line.canvas_group()); + _item->property_draw() = true; + _item->property_fill() = false; + _item->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointFill.get(); + _item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointOutline.get(); + _item->property_outline_pixels() = 1; + _item->set_data ("control_point", this); + _item->signal_event().connect (mem_fun (this, &ControlPoint::event_handler)); + + hide (); + set_visible (false); +} + +ControlPoint::ControlPoint (const ControlPoint& other, bool dummy_arg_to_force_special_copy_constructor) + : _line (other._line) +{ + if (&other == this) { + return; + } + + _model = other._model; + _view_index = other._view_index; + _can_slide = other._can_slide; + _x = other._x; + _y = other._y; + _shape = other._shape; + _size = other._size; + _selected = false; + + _item = new Canvas::SimpleRect (_line.canvas_group()); + _item->property_fill() = false; + _item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointOutline.get(); + _item->property_outline_pixels() = 1; + + /* NOTE: no event handling in copied ControlPoints */ + + hide (); + set_visible (false); +} + +ControlPoint::~ControlPoint () +{ + delete _item; +} + +bool +ControlPoint::event_handler (GdkEvent* event) +{ + return PublicEditor::instance().canvas_control_point_event (event, _item, this); +} + +void +ControlPoint::hide () +{ + _item->hide(); +} + +void +ControlPoint::show() +{ + _item->show(); +} + +void +ControlPoint::set_visible (bool yn) +{ + _item->property_draw() = (gboolean) yn; +} + +void +ControlPoint::reset (double x, double y, AutomationList::iterator mi, uint32_t vi, ShapeType shape) +{ + _model = mi; + _view_index = vi; + move_to (x, y, shape); +} + +void +ControlPoint::show_color (bool entered, bool hide_too) +{ + uint32_t color = 0; + + if (entered) { + if (_selected) { + color = ARDOUR_UI::config()->canvasvar_EnteredControlPointSelected.get(); + set_visible(true); + } else { + color = ARDOUR_UI::config()->canvasvar_EnteredControlPointOutline.get(); + if (hide_too) { + set_visible(false); + } + } + + } else { + if (_selected) { + color = ARDOUR_UI::config()->canvasvar_ControlPointSelected.get(); + set_visible(true); + } else { + color = ARDOUR_UI::config()->canvasvar_ControlPointOutline.get(); + if (hide_too) { + set_visible(false); + } + } + } + + _item->property_outline_color_rgba() = color; + _item->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointFill.get(); +} + +void +ControlPoint::set_size (double sz) +{ + _size = sz; + +#if 0 + if (_size > 6.0) { + item->property_fill() = (gboolean) TRUE; + } else { + item->property_fill() = (gboolean) FALSE; + } +#endif + + move_to (_x, _y, _shape); +} + +void +ControlPoint::move_to (double x, double y, ShapeType shape) +{ + double x1 = 0; + double x2 = 0; + double half_size = rint(_size/2.0); + + switch (shape) { + case Full: + x1 = x - half_size; + x2 = x + half_size; + break; + case Start: + x1 = x; + x2 = x + half_size; + break; + case End: + x1 = x - half_size; + x2 = x; + break; + } + + _item->property_x1() = x1; + _item->property_x2() = x2; + _item->property_y1() = y - half_size; + _item->property_y2() = y + half_size; + + _x = x; + _y = y; + _shape = shape; +} + |