Implement formspec

src/guiFormSpecMenu.h

@@ -0,0 +1,217 @@
+/*
+Minetest-c55
+Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser 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 GUIINVENTORYMENU_HEADER
+#define GUIINVENTORYMENU_HEADER
+
+#include "irrlichttypes_extrabloated.h"
+#include "inventory.h"
+#include "inventorymanager.h"
+#include "modalMenu.h"
+
+class IGameDef;
+class InventoryManager;
+
+struct TextDest
+{
+	virtual ~TextDest() {};
+	// This is deprecated I guess? -celeron55
+	virtual void gotText(std::wstring text) = 0;
+	virtual void gotText(std::map<std::string, std::string> fields) = 0;
+};
+
+class IFormSource
+{
+public:
+	virtual ~IFormSource(){}
+	virtual std::string getForm() = 0;
+	// Fill in variables in field text
+	virtual std::string resolveText(std::string str){ return str; }
+};
+
+void drawItemStack(video::IVideoDriver *driver,
+		gui::IGUIFont *font,
+		const ItemStack &item,
+		const core::rect<s32> &rect,
+		const core::rect<s32> *clip,
+		IGameDef *gamedef);
+
+class GUIFormSpecMenu : public GUIModalMenu
+{
+	struct ItemSpec
+	{
+		ItemSpec()
+		{
+			i = -1;
+		}
+		ItemSpec(const InventoryLocation &a_inventoryloc,
+				const std::string &a_listname,
+				s32 a_i)
+		{
+			inventoryloc = a_inventoryloc;
+			listname = a_listname;
+			i = a_i;
+		}
+		bool isValid() const
+		{
+			return i != -1;
+		}
+
+		InventoryLocation inventoryloc;
+		std::string listname;
+		s32 i;
+	};
+
+	struct ListDrawSpec
+	{
+		ListDrawSpec()
+		{
+		}
+		ListDrawSpec(const InventoryLocation &a_inventoryloc,
+				const std::string &a_listname,
+				v2s32 a_pos, v2s32 a_geom):
+			inventoryloc(a_inventoryloc),
+			listname(a_listname),
+			pos(a_pos),
+			geom(a_geom)
+		{
+		}
+
+		InventoryLocation inventoryloc;
+		std::string listname;
+		v2s32 pos;
+		v2s32 geom;
+	};
+
+	struct ImageDrawSpec
+	{
+		ImageDrawSpec()
+		{
+		}
+		ImageDrawSpec(const std::string &a_name,
+				v2s32 a_pos, v2s32 a_geom):
+			name(a_name),
+			pos(a_pos),
+			geom(a_geom)
+		{
+		}
+		std::string name;
+		v2s32 pos;
+		v2s32 geom;
+	};
+	
+	struct FieldSpec
+	{
+		FieldSpec()
+		{
+		}
+		FieldSpec(const std::wstring name, const std::wstring label, const std::wstring fdeflt, int id):
+			fname(name),
+			flabel(label),
+			fdefault(fdeflt),
+			fid(id)
+		{
+			send = false;
+			is_button = false;
+		}
+		std::wstring fname;
+		std::wstring flabel;
+		std::wstring fdefault;
+		int fid;
+		bool send;
+		bool is_button;
+	};
+
+public:
+	GUIFormSpecMenu(gui::IGUIEnvironment* env,
+			gui::IGUIElement* parent, s32 id,
+			IMenuManager *menumgr,
+			InventoryManager *invmgr,
+			IGameDef *gamedef
+			);
+	~GUIFormSpecMenu();
+
+	void setFormSpec(const std::string &formspec_string,
+			InventoryLocation current_inventory_location)
+	{
+		m_formspec_string = formspec_string;
+		m_current_inventory_location = current_inventory_location;
+		regenerateGui(m_screensize_old);
+	}
+	
+	// form_src is deleted by this GUIFormSpecMenu
+	void setFormSource(IFormSource *form_src)
+	{
+		m_form_src = form_src;
+	}
+
+	// text_dst is deleted by this GUIFormSpecMenu
+	void setTextDest(TextDest *text_dst)
+	{
+		m_text_dst = text_dst;
+	}
+
+	void removeChildren();
+	/*
+		Remove and re-add (or reposition) stuff
+	*/
+	void regenerateGui(v2u32 screensize);
+	
+	ItemSpec getItemAtPos(v2s32 p) const;
+	void drawList(const ListDrawSpec &s, int phase);
+	void drawSelectedItem();
+	void drawMenu();
+	void updateSelectedItem();
+
+	void acceptInput();
+	bool OnEvent(const SEvent& event);
+	
+protected:
+	v2s32 getBasePos() const
+	{
+		return padding + AbsoluteRect.UpperLeftCorner;
+	}
+
+	v2s32 padding;
+	v2s32 spacing;
+	v2s32 imgsize;
+	
+	InventoryManager *m_invmgr;
+	IGameDef *m_gamedef;
+
+	std::string m_formspec_string;
+	InventoryLocation m_current_inventory_location;
+	IFormSource *m_form_src;
+	TextDest *m_text_dst;
+
+	core::array<ListDrawSpec> m_inventorylists;
+	core::array<ImageDrawSpec> m_images;
+	core::array<FieldSpec> m_fields;
+
+	ItemSpec *m_selected_item;
+	u32 m_selected_amount;
+	bool m_selected_dragging;
+
+	v2s32 m_pointer;
+	gui::IGUIStaticText *m_tooltip_element;
+};
+
+#endif
+