utility.h: Change Buffer's interface to be more compatible with SharedBuffer's interf...
[oweals/minetest.git] / src / guiInventoryMenu.cpp
index 7bc5ca9e0ba0fd416dc3479c6bab9a0e0e3f0db5..7d49acaa2d1beb735b2eb818e590ffb53c6b121b 100644 (file)
@@ -20,22 +20,25 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "guiInventoryMenu.h"
 #include "constants.h"
-
-void drawInventoryItem(gui::IGUIEnvironment* env,
+#include "keycode.h"
+#include "strfnd.h"
+#include <IGUICheckBox.h>
+#include <IGUIEditBox.h>
+#include <IGUIButton.h>
+#include <IGUIStaticText.h>
+#include <IGUIFont.h>
+#include "log.h"
+
+void drawInventoryItem(video::IVideoDriver *driver,
+               gui::IGUIFont *font,
                InventoryItem *item, core::rect<s32> rect,
                const core::rect<s32> *clip)
 {
-       gui::IGUISkin* skin = env->getSkin();
-       if (!skin)
+       if(item == NULL)
                return;
-       video::IVideoDriver* driver = env->getVideoDriver();
        
        video::ITexture *texture = NULL;
-       
-       if(item != NULL)
-       {
-               texture = item->getImage();
-       }
+       texture = item->getImage();
 
        if(texture != NULL)
        {
@@ -44,26 +47,33 @@ void drawInventoryItem(gui::IGUIEnvironment* env,
                driver->draw2DImage(texture, rect,
                        core::rect<s32>(core::position2d<s32>(0,0),
                        core::dimension2di(texture->getOriginalSize())),
-                       clip, colors, false);
+                       clip, colors, true);
        }
        else
        {
-               video::SColor bgcolor(128,128,128,128);
+               video::SColor bgcolor(255,50,50,128);
                driver->draw2DRectangle(bgcolor, rect, clip);
        }
 
-       if(item != NULL)
+       if(font != NULL)
        {
-               gui::IGUIFont *font = skin->getFont();
-               if(font)
+               std::string text = item->getText();
+               if(font && text != "")
                {
-                       core::rect<s32> rect2(rect.UpperLeftCorner,
-                                       (core::dimension2d<u32>(rect.getWidth(), 15)));
+                       v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
+                       v2s32 sdim(dim.X,dim.Y);
+
+                       core::rect<s32> rect2(
+                               /*rect.UpperLeftCorner,
+                               core::dimension2d<u32>(rect.getWidth(), 15)*/
+                               rect.LowerRightCorner - sdim,
+                               sdim
+                       );
 
                        video::SColor bgcolor(128,0,0,0);
                        driver->draw2DRectangle(bgcolor, rect2, clip);
-
-                       font->draw(item->getText().c_str(), rect2,
+                       
+                       font->draw(text.c_str(), rect2,
                                        video::SColor(255,255,255,255), false, false,
                                        clip);
                }
@@ -71,104 +81,202 @@ void drawInventoryItem(gui::IGUIEnvironment* env,
 }
 
 /*
-       GUIInventorySlot
+       GUIInventoryMenu
 */
 
-GUIInventorySlot::GUIInventorySlot(gui::IGUIEnvironment* env,
-               gui::IGUIElement* parent, s32 id, core::rect<s32> rect):
-       IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rect)
+GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
+               gui::IGUIElement* parent, s32 id,
+               IMenuManager *menumgr,
+               v2s16 menu_size,
+               InventoryContext *c,
+               InventoryManager *invmgr
+               ):
+       GUIModalMenu(env, parent, id, menumgr),
+       m_menu_size(menu_size),
+       m_c(c),
+       m_invmgr(invmgr)
 {
-       m_item = NULL;
+       m_selected_item = NULL;
 }
 
-void GUIInventorySlot::draw()
+GUIInventoryMenu::~GUIInventoryMenu()
 {
-       if(!IsVisible)
-               return;
-       
-       drawInventoryItem(Environment, m_item, AbsoluteRect,
-                       &AbsoluteClippingRect);
+       removeChildren();
 
-       gui::IGUIElement::draw();
+       if(m_selected_item)
+               delete m_selected_item;
 }
 
-bool GUIInventorySlot::OnEvent(const SEvent& event)
+void GUIInventoryMenu::removeChildren()
 {
-       /*if (!IsEnabled)
-               return IGUIElement::OnEvent(event);*/
+       const core::list<gui::IGUIElement*> &children = getChildren();
+       core::list<gui::IGUIElement*> children_copy;
+       for(core::list<gui::IGUIElement*>::ConstIterator
+                       i = children.begin(); i != children.end(); i++)
+       {
+               children_copy.push_back(*i);
+       }
+       for(core::list<gui::IGUIElement*>::Iterator
+                       i = children_copy.begin();
+                       i != children_copy.end(); i++)
+       {
+               (*i)->remove();
+       }
+       /*{
+               gui::IGUIElement *e = getElementFromId(256);
+               if(e != NULL)
+                       e->remove();
+       }*/
+}
+
+void GUIInventoryMenu::regenerateGui(v2u32 screensize)
+{
+       // Remove children
+       removeChildren();
+       
+       /*padding = v2s32(24,24);
+       spacing = v2s32(60,56);
+       imgsize = v2s32(48,48);*/
+
+       padding = v2s32(screensize.Y/40, screensize.Y/40);
+       spacing = v2s32(screensize.Y/12, screensize.Y/13);
+       imgsize = v2s32(screensize.Y/15, screensize.Y/15);
+
+       s32 helptext_h = 15;
+
+       v2s32 size(
+               padding.X*2+spacing.X*(m_menu_size.X-1)+imgsize.X,
+               padding.Y*2+spacing.Y*(m_menu_size.Y-1)+imgsize.Y + helptext_h
+       );
+
+       core::rect<s32> rect(
+                       screensize.X/2 - size.X/2,
+                       screensize.Y/2 - size.Y/2,
+                       screensize.X/2 + size.X/2,
+                       screensize.Y/2 + size.Y/2
+       );
+       
+       DesiredRect = rect;
+       recalculateAbsolutePosition(false);
 
-       switch(event.EventType)
+       v2s32 basepos = getBasePos();
+       
+       m_draw_spec.clear();
+       for(u16 i=0; i<m_init_draw_spec.size(); i++)
        {
-       case EET_MOUSE_INPUT_EVENT:
-               if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
+               DrawSpec &s = m_init_draw_spec[i];
+               if(s.type == "list")
                {
-                       dstream<<"Slot pressed"<<std::endl;
-                       //return true;
+                       m_draw_spec.push_back(ListDrawSpec(s.name, s.subname,
+                                       basepos + v2s32(spacing.X*s.pos.X, spacing.Y*s.pos.Y),
+                                       s.geom));
                }
-               else
-               if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
-               {
-                       dstream<<"Slot released"<<std::endl;
-                       //return true;
-               }
-               break;
-       default:
-               break;
        }
 
-       return Parent ? Parent->OnEvent(event) : false;
+       /*
+       m_draw_spec.clear();
+       m_draw_spec.push_back(ListDrawSpec("main",
+                       basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
+       m_draw_spec.push_back(ListDrawSpec("craft",
+                       basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
+       m_draw_spec.push_back(ListDrawSpec("craftresult",
+                       basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
+       */
+       
+       // Add children
+       {
+               core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
+               rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
+                               size.Y-rect.getHeight()-15);
+               const wchar_t *text =
+               L"Left click: Move all items, Right click: Move single item";
+               Environment->addStaticText(text, rect, false, true, this, 256);
+       }
 }
 
-/*
-       GUIInventoryMenu
-*/
-
-GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
-               gui::IGUIElement* parent, s32 id,
-               Inventory *inventory):
-       IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
-                       core::rect<s32>(0,0,100,100))
+GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
 {
-       m_inventory = inventory;
-       m_screensize_old = v2u32(0,0);
+       core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
+       
+       for(u32 i=0; i<m_draw_spec.size(); i++)
+       {
+               const ListDrawSpec &s = m_draw_spec[i];
 
-       resizeGui();
+               for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
+               {
+                       s32 x = (i%s.geom.X) * spacing.X;
+                       s32 y = (i/s.geom.X) * spacing.Y;
+                       v2s32 p0(x,y);
+                       core::rect<s32> rect = imgrect + s.pos + p0;
+                       if(rect.isPointInside(p))
+                       {
+                               return ItemSpec(s.inventoryname, s.listname, i);
+                       }
+               }
+       }
 
-       setVisible(false);
+       return ItemSpec("", "", -1);
 }
 
-GUIInventoryMenu::~GUIInventoryMenu()
-{
-}
-
-void GUIInventoryMenu::resizeGui()
+void GUIInventoryMenu::drawList(const ListDrawSpec &s)
 {
        video::IVideoDriver* driver = Environment->getVideoDriver();
-       v2u32 screensize = driver->getScreenSize();
-       if(screensize == m_screensize_old)
-               return;
-       m_screensize_old = screensize;
 
-       core::rect<s32> rect(
-                       screensize.X/2 - 560/2,
-                       screensize.Y/2 - 480/2,
-                       screensize.X/2 + 560/2,
-                       screensize.Y/2 + 480/2
-       );
+       // Get font
+       gui::IGUIFont *font = NULL;
+       gui::IGUISkin* skin = Environment->getSkin();
+       if (skin)
+               font = skin->getFont();
        
-       DesiredRect = rect;
-       recalculateAbsolutePosition(false);
-}
+       Inventory *inv = m_invmgr->getInventory(m_c, s.inventoryname);
+       assert(inv);
+       InventoryList *ilist = inv->getList(s.listname);
+       
+       core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
+       
+       for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
+       {
+               s32 x = (i%s.geom.X) * spacing.X;
+               s32 y = (i/s.geom.X) * spacing.Y;
+               v2s32 p(x,y);
+               core::rect<s32> rect = imgrect + s.pos + p;
+               InventoryItem *item = NULL;
+               if(ilist)
+                       item = ilist->getItem(i);
+
+               if(m_selected_item != NULL && m_selected_item->listname == s.listname
+                               && m_selected_item->i == i)
+               {
+                       /*s32 border = imgsize.X/12;
+                       driver->draw2DRectangle(video::SColor(255,192,192,192),
+                                       core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
+                                                       rect.LowerRightCorner + v2s32(1,1)*border),
+                                       NULL);
+                       driver->draw2DRectangle(video::SColor(255,0,0,0),
+                                       core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*((border+1)/2),
+                                                       rect.LowerRightCorner + v2s32(1,1)*((border+1)/2)),
+                                       NULL);*/
+                       s32 border = 2;
+                       driver->draw2DRectangle(video::SColor(255,255,0,0),
+                                       core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
+                                                       rect.LowerRightCorner + v2s32(1,1)*border),
+                                       &AbsoluteClippingRect);
+               }
 
-void GUIInventoryMenu::update()
-{
+               video::SColor bgcolor(255,128,128,128);
+               driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
+
+               if(item)
+               {
+                       drawInventoryItem(driver, font, item,
+                                       rect, &AbsoluteClippingRect);
+               }
+
+       }
 }
 
-void GUIInventoryMenu::draw()
+void GUIInventoryMenu::drawMenu()
 {
-       if(!IsVisible)
-               return;
-               
        gui::IGUISkin* skin = Environment->getSkin();
        if (!skin)
                return;
@@ -181,42 +289,10 @@ void GUIInventoryMenu::draw()
                Draw items
        */
        
+       for(u32 i=0; i<m_draw_spec.size(); i++)
        {
-               InventoryList *ilist = m_inventory->getList("main");
-               if(ilist != NULL)
-               {
-                       core::rect<s32> imgsize(0,0,48,48);
-                       v2s32 basepos(30, 210);
-                       basepos += AbsoluteRect.UpperLeftCorner;
-                       for(s32 i=0; i<PLAYER_INVENTORY_SIZE; i++)
-                       {
-                               s32 x = (i%8) * 64;
-                               s32 y = (i/8) * 64;
-                               v2s32 p(x,y);
-                               core::rect<s32> rect = imgsize + basepos + p;
-                               drawInventoryItem(Environment, ilist->getItem(i),
-                                               rect, &AbsoluteClippingRect);
-                       }
-               }
-       }
-
-       {
-               InventoryList *ilist = m_inventory->getList("craft");
-               if(ilist != NULL)
-               {
-                       core::rect<s32> imgsize(0,0,48,48);
-                       v2s32 basepos(30, 30);
-                       basepos += AbsoluteRect.UpperLeftCorner;
-                       for(s32 i=0; i<9; i++)
-                       {
-                               s32 x = (i%3) * 64;
-                               s32 y = (i/3) * 64;
-                               v2s32 p(x,y);
-                               core::rect<s32> rect = imgsize + basepos + p;
-                               drawInventoryItem(Environment, ilist->getItem(i),
-                                               rect, &AbsoluteClippingRect);
-                       }
-               }
+               ListDrawSpec &s = m_draw_spec[i];
+               drawList(s);
        }
 
        /*
@@ -229,21 +305,101 @@ bool GUIInventoryMenu::OnEvent(const SEvent& event)
 {
        if(event.EventType==EET_KEY_INPUT_EVENT)
        {
-               if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
+               KeyPress kp(event.KeyInput);
+               if (event.KeyInput.PressedDown && (kp == EscapeKey ||
+                       kp == getKeySetting("keymap_inventory")))
                {
-                       setVisible(false);
-                       return true;
-               }
-               if(event.KeyInput.Key==KEY_KEY_I && event.KeyInput.PressedDown)
-               {
-                       setVisible(false);
+                       quitMenu();
                        return true;
                }
        }
        if(event.EventType==EET_MOUSE_INPUT_EVENT)
        {
+               char amount = -1;
+               
                if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
+                       amount = 0;
+               else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
+                       amount = 1;
+               else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
+                       amount = 10;
+               
+               if(amount >= 0)
                {
+                       v2s32 p(event.MouseInput.X, event.MouseInput.Y);
+                       //infostream<<"Mouse down at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
+                       ItemSpec s = getItemAtPos(p);
+                       if(s.isValid())
+                       {
+                               infostream<<"Mouse down on "<<s.inventoryname
+                                               <<"/"<<s.listname<<" "<<s.i<<std::endl;
+                               if(m_selected_item)
+                               {
+                                       Inventory *inv_from = m_invmgr->getInventory(m_c,
+                                                       m_selected_item->inventoryname);
+                                       Inventory *inv_to = m_invmgr->getInventory(m_c,
+                                                       s.inventoryname);
+                                       assert(inv_from);
+                                       assert(inv_to);
+                                       InventoryList *list_from =
+                                                       inv_from->getList(m_selected_item->listname);
+                                       InventoryList *list_to =
+                                                       inv_to->getList(s.listname);
+                                       if(list_from == NULL)
+                                               infostream<<"from list doesn't exist"<<std::endl;
+                                       if(list_to == NULL)
+                                               infostream<<"to list doesn't exist"<<std::endl;
+                                       // Indicates whether source slot completely empties
+                                       bool source_empties = false;
+                                       if(list_from && list_to
+                                                       && list_from->getItem(m_selected_item->i) != NULL)
+                                       {
+                                               infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
+                                               IMoveAction *a = new IMoveAction();
+                                               a->count = amount;
+                                               a->from_inv = m_selected_item->inventoryname;
+                                               a->from_list = m_selected_item->listname;
+                                               a->from_i = m_selected_item->i;
+                                               a->to_inv = s.inventoryname;
+                                               a->to_list = s.listname;
+                                               a->to_i = s.i;
+                                               //ispec.actions->push_back(a);
+                                               m_invmgr->inventoryAction(a);
+                                               
+                                               if(list_from->getItem(m_selected_item->i)->getCount()==1)
+                                                       source_empties = true;
+                                       }
+                                       // Remove selection if target was left-clicked or source
+                                       // slot was emptied
+                                       if(amount == 0 || source_empties)
+                                       {
+                                               delete m_selected_item;
+                                               m_selected_item = NULL;
+                                       }
+                               }
+                               else
+                               {
+                                       /*
+                                               Select if non-NULL
+                                       */
+                                       Inventory *inv = m_invmgr->getInventory(m_c,
+                                                       s.inventoryname);
+                                       assert(inv);
+                                       InventoryList *list = inv->getList(s.listname);
+                                       if(list->getItem(s.i) != NULL)
+                                       {
+                                               m_selected_item = new ItemSpec(s);
+                                       }
+                               }
+                       }
+                       else
+                       {
+                               if(m_selected_item)
+                               {
+                                       delete m_selected_item;
+                                       m_selected_item = NULL;
+                               }
+                       }
                }
        }
        if(event.EventType==EET_GUI_EVENT)
@@ -253,7 +409,7 @@ bool GUIInventoryMenu::OnEvent(const SEvent& event)
                {
                        if(!canTakeFocus(event.GUIEvent.Element))
                        {
-                               dstream<<"GUIInventoryMenu: Not allowing focus change."
+                               infostream<<"GUIInventoryMenu: Not allowing focus change."
                                                <<std::endl;
                                // Returning true disables focus change
                                return true;
@@ -276,4 +432,85 @@ bool GUIInventoryMenu::OnEvent(const SEvent& event)
        return Parent ? Parent->OnEvent(event) : false;
 }
 
+/*
+       Here is an example traditional set-up sequence for a DrawSpec list:
+
+       std::string furnace_inv_id = "nodemetadata:0,1,2";
+       core::array<GUIInventoryMenu::DrawSpec> draw_spec;
+       draw_spec.push_back(GUIInventoryMenu::DrawSpec(
+                       "list", furnace_inv_id, "fuel",
+                       v2s32(2, 3), v2s32(1, 1)));
+       draw_spec.push_back(GUIInventoryMenu::DrawSpec(
+                       "list", furnace_inv_id, "src",
+                       v2s32(2, 1), v2s32(1, 1)));
+       draw_spec.push_back(GUIInventoryMenu::DrawSpec(
+                       "list", furnace_inv_id, "dst",
+                       v2s32(5, 1), v2s32(2, 2)));
+       draw_spec.push_back(GUIInventoryMenu::DrawSpec(
+                       "list", "current_player", "main",
+                       v2s32(0, 5), v2s32(8, 4)));
+       setDrawSpec(draw_spec);
+
+       Here is the string for creating the same DrawSpec list (a single line,
+       spread to multiple lines here):
+       
+       GUIInventoryMenu::makeDrawSpecArrayFromString(
+                       draw_spec,
+                       "nodemetadata:0,1,2",
+                       "invsize[8,9;]"
+                       "list[current_name;fuel;2,3;1,1;]"
+                       "list[current_name;src;2,1;1,1;]"
+                       "list[current_name;dst;5,1;2,2;]"
+                       "list[current_player;main;0,5;8,4;]");
+       
+       Returns inventory menu size defined by invsize[].
+*/
+v2s16 GUIInventoryMenu::makeDrawSpecArrayFromString(
+               core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
+               const std::string &data,
+               const std::string &current_name)
+{
+       v2s16 invsize(8,9);
+       Strfnd f(data);
+       while(f.atend() == false)
+       {
+               std::string type = trim(f.next("["));
+               //infostream<<"type="<<type<<std::endl;
+               if(type == "list")
+               {
+                       std::string name = f.next(";");
+                       if(name == "current_name")
+                               name = current_name;
+                       std::string subname = f.next(";");
+                       s32 pos_x = stoi(f.next(","));
+                       s32 pos_y = stoi(f.next(";"));
+                       s32 geom_x = stoi(f.next(","));
+                       s32 geom_y = stoi(f.next(";"));
+                       infostream<<"list name="<<name<<", subname="<<subname
+                                       <<", pos=("<<pos_x<<","<<pos_y<<")"
+                                       <<", geom=("<<geom_x<<","<<geom_y<<")"
+                                       <<std::endl;
+                       draw_spec.push_back(GUIInventoryMenu::DrawSpec(
+                                       type, name, subname,
+                                       v2s32(pos_x,pos_y),v2s32(geom_x,geom_y)));
+                       f.next("]");
+               }
+               else if(type == "invsize")
+               {
+                       invsize.X = stoi(f.next(","));
+                       invsize.Y = stoi(f.next(";"));
+                       infostream<<"invsize ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
+                       f.next("]");
+               }
+               else
+               {
+                       // Ignore others
+                       std::string ts = f.next("]");
+                       infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
+                                       <<std::endl;
+               }
+       }
+
+       return invsize;
+}