Torque3D/Engine/source/gui/utility/guiInputCtrl.cpp

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#include "gui/utility/guiInputCtrl.h"
#include "sim/actionMap.h"
#include "console/engineAPI.h"
#include "gui/core/guiCanvas.h"

IMPLEMENT_CONOBJECT(GuiInputCtrl);

ConsoleDocClass( GuiInputCtrl,
	"@brief A control that locks the mouse and reports all keyboard input events to script.\n\n"

	"This is useful for implementing custom keyboard handling code, and most commonly "
	"used in Torque for a menu that allows a user to remap their in-game controls\n\n "

	"@tsexample\n"
	"new GuiInputCtrl(OptRemapInputCtrl)\n"
	"{\n"
	"	lockMouse = \"0\";\n"
	"	position = \"0 0\";\n"
	"	extent = \"64 64\";\n"
	"	minExtent = \"8 8\";\n"
	"	horizSizing = \"center\";\n"
	"	vertSizing = \"bottom\";\n"
	"	profile = \"GuiInputCtrlProfile\";\n"
	"	visible = \"1\";\n"
	"	active = \"1\";\n"
	"	tooltipProfile = \"GuiToolTipProfile\";\n"
	"	hovertime = \"1000\";\n"
	"	isContainer = \"0\";\n"
	"	canSave = \"1\";\n"
	"	canSaveDynamicFields = \"0\";\n"
	"};\n"
	"@endtsexample\n\n"

	"@see GuiMouseEventCtrl\n"

	"@ingroup GuiUtil\n");

//------------------------------------------------------------------------------

GuiInputCtrl::GuiInputCtrl()
   : mSendAxisEvents(false),
   mSendBreakEvents(false),
   mSendModifierEvents(false),
   mIgnoreMouseEvents(false)
{
   mActionmap = NULL;
}

//------------------------------------------------------------------------------

void GuiInputCtrl::initPersistFields()
{
   docsURL;
   addGroup("GuiInputCtrl");
   addField("sendAxisEvents", TypeBool, Offset(mSendAxisEvents, GuiInputCtrl),
      "If true, onAxisEvent callbacks will be sent for SI_AXIS Move events (Default false).");
   addField("sendBreakEvents", TypeBool, Offset(mSendBreakEvents, GuiInputCtrl),
      "If true, break events for all devices will generate callbacks (Default false).");
   addField("sendModifierEvents", TypeBool, Offset(mSendModifierEvents, GuiInputCtrl),
      "If true, Make events will be sent for modifier keys (Default false).");
   addField("ignoreMouseEvents", TypeBool, Offset(mIgnoreMouseEvents, GuiInputCtrl),
      "If true, any events from mouse devices will be passed through.");
   addField("actionMap", TYPEID<ActionMap>(), Offset(mActionmap, GuiInputCtrl), "The name of an action map to push/pop on the input stack alongside the wake/sleep of this control.");
   endGroup("GuiInputCtrl");

   Parent::initPersistFields();
}

//------------------------------------------------------------------------------
bool GuiInputCtrl::onAdd()
{
   if (!Parent::onAdd())
      return false;

   GuiCanvas::getCanvasSetActiveSignal().notify(this, &GuiInputCtrl::handleCanvasSetActive);

   return true;
}

void GuiInputCtrl::onRemove()
{
   GuiCanvas::getCanvasSetActiveSignal().remove(this, &GuiInputCtrl::handleCanvasSetActive);

   Parent::onRemove();
}

bool GuiInputCtrl::onWake()
{
   // Set the default profile on start-up:
   if( !mProfile )
   {
      GuiControlProfile* profile;
      Sim::findObject( "GuiInputCtrlProfile", profile);
      if( profile )
         setControlProfile( profile );
   }

   if ( !Parent::onWake() )
      return( false );

   if( !smDesignTime && !mIgnoreMouseEvents)
      mouseLock();

   if(mActionmap != NULL)
   {
      if (getRoot()->isActive())
      {
         SimSet* actionMapSet = Sim::getActiveActionMapSet();
         actionMapSet->pushObject(mActionmap);
      }
   }
      
   setFirstResponder();

   return( true );
}


//------------------------------------------------------------------------------
void GuiInputCtrl::onSleep()
{
   Parent::onSleep();
   mouseUnlock();

   if (mActionmap != NULL)
   {
      SimSet* actionMapSet = Sim::getActiveActionMapSet();
      actionMapSet->removeObject(mActionmap);
   }

   clearFirstResponder();
}

void GuiInputCtrl::setActive(bool value)
{
   Parent::setActive(value);

   if (value)
   {
      if (!smDesignTime && !mIgnoreMouseEvents)
         mouseLock();

      setFirstResponder();
   }
   else
   {
      mouseUnlock();
      clearFirstResponder();
   }

}

void GuiInputCtrl::handleCanvasSetActive(GuiCanvas* canvas, bool isActive)
{
   if (mActionmap == NULL)
      return;

   if (getRoot() == canvas)
   {
      if (isActive)
      {
         SimSet* actionMapSet = Sim::getActiveActionMapSet();
         actionMapSet->pushObject(mActionmap);
      }
      else
      {
         SimSet* actionMapSet = Sim::getActiveActionMapSet();
         actionMapSet->removeObject(mActionmap);
      }
   }
}

//------------------------------------------------------------------------------
static bool isModifierKey( U16 keyCode )
{
   switch ( keyCode )
   {
      case KEY_LCONTROL:
      case KEY_RCONTROL:
      case KEY_LALT:
      case KEY_RALT:
      case KEY_LSHIFT:
      case KEY_RSHIFT:
      case KEY_MAC_LOPT:
      case KEY_MAC_ROPT:
         return( true );
   }

   return( false );
}

IMPLEMENT_CALLBACK( GuiInputCtrl, onInputEvent, void, (const char* device, const char* action, bool state ),
   ( device, action, state),
   "@brief Callback that occurs when an input is triggered on this control\n\n"
   "@param device The device type triggering the input, such as keyboard, mouse, etc\n"
   "@param action The actual event occuring, such as a key or button\n"
   "@param state True if the action is being pressed, false if it is being release\n\n");

IMPLEMENT_CALLBACK(GuiInputCtrl, onAxisEvent, void, (const char* device, const char* action, F32 axisValue),
   (device, action, axisValue),
   "@brief Callback that occurs when an axis event is triggered on this control\n\n"
   "@param device The device type triggering the input, such as mouse, joystick, gamepad, etc\n"
   "@param action The ActionMap code for the axis\n"
   "@param axisValue The current value of the axis\n\n");

//------------------------------------------------------------------------------
bool GuiInputCtrl::onInputEvent( const InputEventInfo &event )
{
   if (mIgnoreMouseEvents && event.deviceType == MouseDeviceType)
      return false;

   if (mActionmap != NULL)
         return false;

   char deviceString[32];
   if ( event.action == SI_MAKE )
   {
      if ( event.objType == SI_BUTTON
        || event.objType == SI_POV
        || event.objType == SI_KEY )
      {
         if ( !ActionMap::getDeviceName( event.deviceType, event.deviceInst, deviceString ) )
            return false;

         if ((event.objType == SI_KEY) && isModifierKey(event.objInst))
         {
            if (!mSendModifierEvents)
               return false;

            char keyString[32];
            if (!ActionMap::getKeyString(event.objInst, keyString))
               return false;

            onInputEvent_callback(deviceString, keyString, 1);
         }
         else
         {
            const char* actionString = ActionMap::buildActionString(&event);
            onInputEvent_callback(deviceString, actionString, 1);
         }
         return true;
      }
   }
   else if ( event.action == SI_BREAK )
   {
      if ( ( event.objType == SI_KEY ) && isModifierKey( event.objInst ) )
      {
         char keyString[32];
         if ( !ActionMap::getKeyString( event.objInst, keyString ) )
            return false;

         onInputEvent_callback("keyboard", keyString, 0);
         return true;
      }
      else if (mSendBreakEvents)
      {
         if (!ActionMap::getDeviceName(event.deviceType, event.deviceInst, deviceString))
            return false;

         const char* actionString = ActionMap::buildActionString(&event);

         onInputEvent_callback(deviceString, actionString, 0);
         return true;
      }
   }
   else if (mSendAxisEvents && ((event.objType == SI_AXIS) || (event.objType == SI_INT) || (event.objType == SI_FLOAT)))
   {
      F32 fValue = event.fValue;
      if (event.objType == SI_INT)
         fValue = (F32)event.iValue;

      if (!ActionMap::getDeviceName(event.deviceType, event.deviceInst, deviceString))
         return false;

      const char* actionString = ActionMap::buildActionString(&event);

      onAxisEvent_callback(deviceString, actionString, fValue);
      return (event.deviceType != MouseDeviceType);   // Don't consume mouse move events
   }

   return false;
}