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DM/DM_GreedyMouseHook.C
/*
* Copyright (c) 2018
* Side Effects Software Inc. All rights reserved.
*
* Redistribution and use of Houdini Development Kit samples in source and
* binary forms, with or without modification, are permitted provided that the
* following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. The name of Side Effects Software may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*----------------------------------------------------------------------------
*/
#include <UI/UI_Event.h>
namespace HDK_Sample {
// This sample shows the bounding box of all objects in the scene.
// A greedy mouse event hook that simply consumes all mouse events, doing
// nothing with them.
//
// DM_GreedyMouseEventHook objects are created by DM_GreedyMouseHook.
class DM_GreedyMouseEventHook : public DM_MouseEventHook
{
public:
DM_GreedyMouseEventHook(DM_VPortAgent &vport)
{}
virtual ~DM_GreedyMouseEventHook() { }
virtual bool handleMouseEvent(const DM_MouseHookData &hook_data,
{
std::cout << "DM_GreedyMouseHook::handleMouseEvent ";
std::cout << event->state.values[X] << ","
<< event->state.values[Y] << " ";
if(event->state.values[W] & UI_LEFT_BUTTON)
std::cout << "L";
std::cout << "M";
if(event->state.values[W] & UI_RIGHT_BUTTON)
std::cout << "R";
std::cout << "\n";
return true;
}
virtual bool handleMouseWheelEvent(const DM_MouseHookData &hook_data,
UI_Event *event)
{
std::cout << "DM_GreedyMouseHook::handleMouseWheelEvent "
<< event->state.values[Z] << "\n";
return true;
}
virtual bool handleDoubleClickEvent(
const DM_MouseHookData &hook_data,
UI_Event *event)
{
std::cout << "DM_GreedyMouseHook::handleDoubleClickEvent ";
if(event->state.values[W] & UI_LEFT_BUTTON)
std::cout << "L";
std::cout << "M";
if(event->state.values[W] & UI_RIGHT_BUTTON)
std::cout << "R";
std::cout << "\n";
return true;
}
virtual bool allowRMBMenu(const DM_MouseHookData &hook_data,
UI_Event *event)
{
return false;
}
private:
};
// DM_GreedyMouseHook is a factory for DM_GreedyMouseEventHook objects.
class DM_GreedyMouseHook : public DM_MouseHook
{
public:
DM_GreedyMouseHook() : DM_MouseHook("Greedy", 0)
{}
virtual DM_MouseEventHook *newEventHook(DM_VPortAgent &vport)
{
return new DM_GreedyMouseEventHook(vport);
}
virtual void retireEventHook(DM_VPortAgent &vport,
{
// Shared hooks might deference a ref count, but this example just
// creates one hook per viewport.
delete hook;
}
};
} // END HDK_Sample namespace
using namespace HDK_Sample;
void
{
table->registerMouseHook(new DM_GreedyMouseHook);
}