8a6a234653
- Refactor CanvasMgr into PropertyBasedMgr to be also used for the Canvas GUI system. - Get rid of tied properties in the Canvas system. - Add new placement type 'window' for placing canvases onto windows - Pass mouse events to Window class (only if cursor is over window) - Refactor canvas placement clean up
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
// Some helper functions for accessing the property tree
|
|
//
|
|
// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
|
|
//
|
|
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
#ifndef PROPERTY_HELPER_HXX_
|
|
#define PROPERTY_HELPER_HXX_
|
|
|
|
#include <simgear/props/props.hxx>
|
|
#include <osg/Vec4>
|
|
|
|
namespace canvas
|
|
{
|
|
|
|
/**
|
|
* Get property node with default value
|
|
*/
|
|
template<typename T>
|
|
SGPropertyNode* getChildDefault( SGPropertyNode* parent,
|
|
const char* name,
|
|
T def_val )
|
|
{
|
|
SGPropertyNode* node = parent->getNode(name);
|
|
if( node )
|
|
// also set value for existing nodes to enforce type...
|
|
def_val = getValue<T>(node);
|
|
else
|
|
node = parent->getChild(name, 0, true);
|
|
|
|
setValue(node, def_val);
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* Get vector of properties
|
|
*/
|
|
template<typename T, typename T_get /* = T */> // TODO use C++11 or traits
|
|
std::vector<T> getVectorFromChildren( const SGPropertyNode* parent,
|
|
const char* child_name )
|
|
{
|
|
const simgear::PropertyList& props = parent->getChildren(child_name);
|
|
std::vector<T> values( props.size() );
|
|
|
|
for( size_t i = 0; i < props.size(); ++i )
|
|
values[i] = getValue<T_get>(props[i]);
|
|
|
|
return values;
|
|
}
|
|
|
|
/**
|
|
* @param name Name of color node
|
|
* @param parent Parent for color channel nodes
|
|
* @param nodes Vector to push color nodes into
|
|
* @param def Default color
|
|
*
|
|
* <name>
|
|
* <red type="float">def[0] or existing value</red>
|
|
* <green type="float">def[1] or existing value</green>
|
|
* <blue type="float">def[2] or existing value</blue>
|
|
* <alpha type="float">def[3] or existing value</alpha>
|
|
* </name>
|
|
*/
|
|
void linkColorNodes( const char* name,
|
|
SGPropertyNode* parent,
|
|
std::vector<SGPropertyNode_ptr>& nodes,
|
|
const osg::Vec4& def = osg::Vec4(0,0,0,1) );
|
|
|
|
/**
|
|
* Trigger a childAdded and valueChanged event for every child of node
|
|
* (Unlimited depth) and node itself.
|
|
*/
|
|
void triggerChangeRecursive(SGPropertyNode* node);
|
|
|
|
} // namespace canvas
|
|
|
|
#endif /* PROPERTY_HELPER_HXX_ */
|