Formspec button_exit[] and image_button_exit[]

doc/lua_api.txt

@@ -719,6 +719,12 @@ image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]
 ^ image is the filename of an image
 ^ Position and size units are inventory slots
 
+button_exit[<X>,<Y>;<W>,<H>;<name>;<label>]
+^ When clicked, fields will be sent and the form will quit.
+
+image_button_exit[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]
+^ When clicked, fields will be sent and the form will quit.
+
 Inventory location:
 - "context": Selected node metadata (deprecated: "current_name")
 - "current_player": Player to whom the menu is shown

games/minimal/mods/experimental/init.lua

@@ -532,7 +532,7 @@ minetest.register_chatcommand("test1", {
 				"list[current_player;craft;8,0;3,3;]"..
 				"list[current_player;craftpreview;12,1;1,1;]"..
 				"button[0.5,7;2,1;button1;Button 1]"..
-				"button[2.5,7;2,1;button2;Button 2]"
+				"button_exit[2.5,7;2,1;button2;Exit Button]"
 		)
 		minetest.chat_send_player(name, "Done.");
 	end,

src/guiFormSpecMenu.cpp

@@ -149,6 +149,7 @@ GUIFormSpecMenu::~GUIFormSpecMenu()
 
 	delete m_selected_item;
 	delete m_form_src;
+	delete m_text_dst;
 }
 
 void GUIFormSpecMenu::removeChildren()
@@ -398,7 +399,7 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 			Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
 			m_fields.push_back(spec);
 		}
-		else if(type == "button")
+		else if(type == "button" || type == "button_exit")
 		{
 			v2s32 pos;
 			pos.X = stof(f.next(",")) * (float)spacing.X;
@@ -421,10 +422,12 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 				258+m_fields.size()
 			);
 			spec.is_button = true;
+			if(type == "button_exit")
+				spec.is_exit = true;
 			Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
 			m_fields.push_back(spec);
 		}
-		else if(type == "image_button")
+		else if(type == "image_button" || type == "image_button_exit")
 		{
 			v2s32 pos;
 			pos.X = stof(f.next(",")) * (float)spacing.X;
@@ -448,6 +451,8 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 				258+m_fields.size()
 			);
 			spec.is_button = true;
+			if(type == "image_button_exit")
+				spec.is_exit = true;
 			
 			video::ITexture *texture = m_gamedef->tsrc()->getTextureRaw(fimage);
 			gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
@@ -813,8 +818,6 @@ void GUIFormSpecMenu::acceptInput()
 			}
 		}
 		m_text_dst->gotText(fields);
-		delete m_text_dst;
-		m_text_dst = NULL;
 	}
 }
 
@@ -1152,8 +1155,13 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
 				{
 					s.send = true;
 					acceptInput();
-					quitMenu();
+					if(s.is_exit){
-					return true;
+						quitMenu();
+						return true;
+					}else{
+						s.send = false;
+						return true;
+					}
 				}
 			}
 		}

src/guiFormSpecMenu.h

@@ -130,6 +130,7 @@ class GUIFormSpecMenu : public GUIModalMenu
 		{
 			send = false;
 			is_button = false;
+			is_exit = false;
 		}
 		std::wstring fname;
 		std::wstring flabel;
@@ -137,6 +138,7 @@ class GUIFormSpecMenu : public GUIModalMenu
 		int fid;
 		bool send;
 		bool is_button;
+		bool is_exit;
 	};
 
 public: