Added: clear_on_escape property to edit box

--HG--
branch : develop

code/nel/include/nel/gui/group_editbox.h

@@ -264,6 +264,7 @@ namespace NLGUI
 												// because of multiline, thz parent container will be moved to top
 												// The good position can be restored by a press on enter then
 		bool	_WantReturn				   : 1; // Want return char, don't call the enter action handler
+		bool	_ClearOnEscape             : 1; // clear content when ESC is pressed?
 		bool	_Savable				   : 1; // should content be saved ?
 		bool	_DefaultInputString		   : 1; // Is the current input string the default one (should not be edited)
 		bool	_Frozen					   : 1;	// is the control frozen? (cannot edit in it)

code/nel/src/gui/group_editbox.cpp

@@ -77,6 +77,7 @@ namespace NLGUI
 									_ResetFocusOnHide(false),
 									_BackupFatherContainerPos(false),
 									_WantReturn(false),
+									_ClearOnEscape(false),
 									_Savable(true),
 									_DefaultInputString(false),
 									_Frozen(false),
@@ -239,6 +240,11 @@ namespace NLGUI
 			return toString( _WantReturn );
 		}
 		else
+		if( name == "clear_on_escape" )
+		{
+			return toString( _ClearOnEscape );
+		}
+		else
 		if( name == "savable" )
 		{
 			return toString( _Savable );
@@ -413,6 +419,14 @@ namespace NLGUI
 			return;
 		}
 		else
+		if( name == "clear_on_escape" )
+		{
+			bool b;
+			if( fromString( value, b ) )
+				_ClearOnEscape = b;
+			return;
+		}
+		else
 		if( name == "savable" )
 		{
 			bool b;
@@ -514,6 +528,7 @@ namespace NLGUI
 		xmlSetProp( node, BAD_CAST "backup_father_container_pos",
 			BAD_CAST toString( _BackupFatherContainerPos ).c_str() );
 		xmlSetProp( node, BAD_CAST "want_return", BAD_CAST toString( _WantReturn ).c_str() );
+		xmlSetProp( node, BAD_CAST "clear_on_escape", BAD_CAST toString( _ClearOnEscape ).c_str() );
 		xmlSetProp( node, BAD_CAST "savable", BAD_CAST toString( _Savable ).c_str() );
 		xmlSetProp( node, BAD_CAST "max_float_prec", BAD_CAST toString( _MaxFloatPrec ).c_str() );
 
@@ -620,6 +635,9 @@ namespace NLGUI
 		prop = (char*) xmlGetProp( cur, (xmlChar*)"want_return" );
 		if (prop) _WantReturn = convertBool(prop);
 
+		prop = (char*) xmlGetProp( cur, (xmlChar*)"clear_on_escape" );
+		if (prop) _ClearOnEscape = convertBool(prop);
+
 		prop = (char*) xmlGetProp( cur, (xmlChar*)"savable" );
 		if (prop) _Savable = convertBool(prop);
 
@@ -991,6 +1009,11 @@ namespace NLGUI
 				// stop selection
 				_CurrSelection = NULL;
 				_CursorAtPreviousLineEnd = false;
+				if (_ClearOnEscape)
+				{
+					setInputString(ucstring(""));
+					triggerOnChangeAH();
+				}
 			break;
 			case KeyTAB:
 				makeTopWindow();

code/ryzom/client/data/gamedev/interfaces_v3/widgets.xml

@@ -2655,6 +2655,7 @@
             fontsize="10"
             backup_father_container_pos="false"
             want_return="false"
+            clear_on_escape="false"
             color="255 255 255 255"
             continuous_text_update="false"
             bg_texture="W_box_blank.tga"
@@ -2695,6 +2696,7 @@
              menu_r="#menu_r"
              max_historic="#max_historic"
              want_return="#want_return"
+             clear_on_escape="#clear_on_escape"
              backup_father_container_pos="#backup_father_container_pos"
              on_focus_lost="#on_focus_lost"
              on_focus_lost_params="#on_focus_lost_params"