src/guiInventoryMenu.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20
  21 #include "guiInventoryMenu.h"
  22 #include "constants.h"
  23 #include "keycode.h"
  24 #include "strfnd.h"
  25 #include <IGUICheckBox.h>
  26 #include <IGUIEditBox.h>
  27 #include <IGUIButton.h>
  28 #include <IGUIStaticText.h>
  29 #include <IGUIFont.h>
  30
  31 void drawInventoryItem(video::IVideoDriver *driver,
  32                 gui::IGUIFont *font,
  33                 InventoryItem *item, core::rect<s32> rect,
  34                 const core::rect<s32> *clip)
  35 {
  36         if(item == NULL)
  37                 return;
  38
  39         video::ITexture *texture = NULL;
  40         texture = item->getImage();
  41
  42         if(texture != NULL)
  43         {
  44                 const video::SColor color(255,255,255,255);
  45                 const video::SColor colors[] = {color,color,color,color};
  46                 driver->draw2DImage(texture, rect,
  47                         core::rect<s32>(core::position2d<s32>(0,0),
  48                         core::dimension2di(texture->getOriginalSize())),
  49                         clip, colors, true);
  50         }
  51         else
  52         {
  53                 video::SColor bgcolor(255,50,50,128);
  54                 driver->draw2DRectangle(bgcolor, rect, clip);
  55         }
  56
  57         if(font != NULL)
  58         {
  59                 std::string text = item->getText();
  60                 if(font && text != "")
  61                 {
  62                         v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
  63                         v2s32 sdim(dim.X,dim.Y);
  64
  65                         core::rect<s32> rect2(
  66                                 /*rect.UpperLeftCorner,
  67                                 core::dimension2d<u32>(rect.getWidth(), 15)*/
  68                                 rect.LowerRightCorner - sdim,
  69                                 sdim
  70                         );
  71
  72                         video::SColor bgcolor(128,0,0,0);
  73                         driver->draw2DRectangle(bgcolor, rect2, clip);
  74
  75                         font->draw(text.c_str(), rect2,
  76                                         video::SColor(255,255,255,255), false, false,
  77                                         clip);
  78                 }
  79         }
  80 }
  81
  82 /*
  83         GUIInventoryMenu
  84 */
  85
  86 GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
  87                 gui::IGUIElement* parent, s32 id,
  88                 IMenuManager *menumgr,
  89                 v2s16 menu_size,
  90                 InventoryContext *c,
  91                 InventoryManager *invmgr
  92                 ):
  93         GUIModalMenu(env, parent, id, menumgr),
  94         m_menu_size(menu_size),
  95         m_c(c),
  96         m_invmgr(invmgr)
  97 {
  98         m_selected_item = NULL;
  99 }
 100
 101 GUIInventoryMenu::~GUIInventoryMenu()
 102 {
 103         removeChildren();
 104
 105         if(m_selected_item)
 106                 delete m_selected_item;
 107 }
 108
 109 void GUIInventoryMenu::removeChildren()
 110 {
 111         const core::list<gui::IGUIElement*> &children = getChildren();
 112         core::list<gui::IGUIElement*> children_copy;
 113         for(core::list<gui::IGUIElement*>::ConstIterator
 114                         i = children.begin(); i != children.end(); i++)
 115         {
 116                 children_copy.push_back(*i);
 117         }
 118         for(core::list<gui::IGUIElement*>::Iterator
 119                         i = children_copy.begin();
 120                         i != children_copy.end(); i++)
 121         {
 122                 (*i)->remove();
 123         }
 124         /*{
 125                 gui::IGUIElement *e = getElementFromId(256);
 126                 if(e != NULL)
 127                         e->remove();
 128         }*/
 129 }
 130
 131 void GUIInventoryMenu::regenerateGui(v2u32 screensize)
 132 {
 133         // Remove children
 134         removeChildren();
 135
 136         /*padding = v2s32(24,24);
 137         spacing = v2s32(60,56);
 138         imgsize = v2s32(48,48);*/
 139
 140         padding = v2s32(screensize.Y/40, screensize.Y/40);
 141         spacing = v2s32(screensize.Y/12, screensize.Y/13);
 142         imgsize = v2s32(screensize.Y/15, screensize.Y/15);
 143
 144         s32 helptext_h = 15;
 145
 146         v2s32 size(
 147                 padding.X*2+spacing.X*(m_menu_size.X-1)+imgsize.X,
 148                 padding.Y*2+spacing.Y*(m_menu_size.Y-1)+imgsize.Y + helptext_h
 149         );
 150
 151         core::rect<s32> rect(
 152                         screensize.X/2 - size.X/2,
 153                         screensize.Y/2 - size.Y/2,
 154                         screensize.X/2 + size.X/2,
 155                         screensize.Y/2 + size.Y/2
 156         );
 157
 158         DesiredRect = rect;
 159         recalculateAbsolutePosition(false);
 160
 161         v2s32 basepos = getBasePos();
 162
 163         m_draw_spec.clear();
 164         for(u16 i=0; i<m_init_draw_spec.size(); i++)
 165         {
 166                 DrawSpec &s = m_init_draw_spec[i];
 167                 if(s.type == "list")
 168                 {
 169                         m_draw_spec.push_back(ListDrawSpec(s.name, s.subname,
 170                                         basepos + v2s32(spacing.X*s.pos.X, spacing.Y*s.pos.Y),
 171                                         s.geom));
 172                 }
 173         }
 174
 175         /*
 176         m_draw_spec.clear();
 177         m_draw_spec.push_back(ListDrawSpec("main",
 178                         basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
 179         m_draw_spec.push_back(ListDrawSpec("craft",
 180                         basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
 181         m_draw_spec.push_back(ListDrawSpec("craftresult",
 182                         basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
 183         */
 184
 185         // Add children
 186         {
 187                 core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
 188                 rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
 189                                 size.Y-rect.getHeight()-15);
 190                 const wchar_t *text =
 191                 L"Left click: Move all items, Right click: Move single item";
 192                 Environment->addStaticText(text, rect, false, true, this, 256);
 193         }
 194 }
 195
 196 GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
 197 {
 198         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 199
 200         for(u32 i=0; i<m_draw_spec.size(); i++)
 201         {
 202                 const ListDrawSpec &s = m_draw_spec[i];
 203
 204                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 205                 {
 206                         s32 x = (i%s.geom.X) * spacing.X;
 207                         s32 y = (i/s.geom.X) * spacing.Y;
 208                         v2s32 p0(x,y);
 209                         core::rect<s32> rect = imgrect + s.pos + p0;
 210                         if(rect.isPointInside(p))
 211                         {
 212                                 return ItemSpec(s.inventoryname, s.listname, i);
 213                         }
 214                 }
 215         }
 216
 217         return ItemSpec("", "", -1);
 218 }
 219
 220 void GUIInventoryMenu::drawList(const ListDrawSpec &s)
 221 {
 222         video::IVideoDriver* driver = Environment->getVideoDriver();
 223
 224         // Get font
 225         gui::IGUIFont *font = NULL;
 226         gui::IGUISkin* skin = Environment->getSkin();
 227         if (skin)
 228                 font = skin->getFont();
 229
 230         Inventory *inv = m_invmgr->getInventory(m_c, s.inventoryname);
 231         assert(inv);
 232         InventoryList *ilist = inv->getList(s.listname);
 233
 234         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 235
 236         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 237         {
 238                 s32 x = (i%s.geom.X) * spacing.X;
 239                 s32 y = (i/s.geom.X) * spacing.Y;
 240                 v2s32 p(x,y);
 241                 core::rect<s32> rect = imgrect + s.pos + p;
 242                 InventoryItem *item = NULL;
 243                 if(ilist)
 244                         item = ilist->getItem(i);
 245
 246                 if(m_selected_item != NULL && m_selected_item->listname == s.listname
 247                                 && m_selected_item->i == i)
 248                 {
 249                         /*s32 border = imgsize.X/12;
 250                         driver->draw2DRectangle(video::SColor(255,192,192,192),
 251                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
 252                                                         rect.LowerRightCorner + v2s32(1,1)*border),
 253                                         NULL);
 254                         driver->draw2DRectangle(video::SColor(255,0,0,0),
 255                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*((border+1)/2),
 256                                                         rect.LowerRightCorner + v2s32(1,1)*((border+1)/2)),
 257                                         NULL);*/
 258                         s32 border = 2;
 259                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 260                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*border,
 261                                                         rect.LowerRightCorner + v2s32(1,1)*border),
 262                                         &AbsoluteClippingRect);
 263                 }
 264
 265                 video::SColor bgcolor(255,128,128,128);
 266                 driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
 267
 268                 if(item)
 269                 {
 270                         drawInventoryItem(driver, font, item,
 271                                         rect, &AbsoluteClippingRect);
 272                 }
 273
 274         }
 275 }
 276
 277 void GUIInventoryMenu::drawMenu()
 278 {
 279         gui::IGUISkin* skin = Environment->getSkin();
 280         if (!skin)
 281                 return;
 282         video::IVideoDriver* driver = Environment->getVideoDriver();
 283
 284         video::SColor bgcolor(140,0,0,0);
 285         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 286
 287         /*
 288                 Draw items
 289         */
 290
 291         for(u32 i=0; i<m_draw_spec.size(); i++)
 292         {
 293                 ListDrawSpec &s = m_draw_spec[i];
 294                 drawList(s);
 295         }
 296
 297         /*
 298                 Call base class
 299         */
 300         gui::IGUIElement::draw();
 301 }
 302
 303 bool GUIInventoryMenu::OnEvent(const SEvent& event)
 304 {
 305         if(event.EventType==EET_KEY_INPUT_EVENT)
 306         {
 307                 KeyPress kp(event.KeyInput);
 308                 if (event.KeyInput.PressedDown && (kp == EscapeKey ||
 309                         kp == getKeySetting("keymap_inventory")))
 310                 {
 311                         quitMenu();
 312                         return true;
 313                 }
 314         }
 315         if(event.EventType==EET_MOUSE_INPUT_EVENT)
 316         {
 317                 char amount = -1;
 318
 319                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 320                         amount = 0;
 321                 else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 322                         amount = 1;
 323                 else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
 324                         amount = 10;
 325
 326                 if(amount >= 0)
 327                 {
 328                         v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 329                         //dstream<<"Mouse down at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
 330                         ItemSpec s = getItemAtPos(p);
 331                         if(s.isValid())
 332                         {
 333                                 dstream<<"Mouse down on "<<s.inventoryname
 334                                                 <<"/"<<s.listname<<" "<<s.i<<std::endl;
 335                                 if(m_selected_item)
 336                                 {
 337                                         Inventory *inv_from = m_invmgr->getInventory(m_c,
 338                                                         m_selected_item->inventoryname);
 339                                         Inventory *inv_to = m_invmgr->getInventory(m_c,
 340                                                         s.inventoryname);
 341                                         assert(inv_from);
 342                                         assert(inv_to);
 343                                         InventoryList *list_from =
 344                                                         inv_from->getList(m_selected_item->listname);
 345                                         InventoryList *list_to =
 346                                                         inv_to->getList(s.listname);
 347                                         if(list_from == NULL)
 348                                                 dstream<<"from list doesn't exist"<<std::endl;
 349                                         if(list_to == NULL)
 350                                                 dstream<<"to list doesn't exist"<<std::endl;
 351                                         // Indicates whether source slot completely empties
 352                                         bool source_empties = false;
 353                                         if(list_from && list_to
 354                                                         && list_from->getItem(m_selected_item->i) != NULL)
 355                                         {
 356                                                 dstream<<"Handing IACTION_MOVE to manager"<<std::endl;
 357                                                 IMoveAction *a = new IMoveAction();
 358                                                 a->count = amount;
 359                                                 a->from_inv = m_selected_item->inventoryname;
 360                                                 a->from_list = m_selected_item->listname;
 361                                                 a->from_i = m_selected_item->i;
 362                                                 a->to_inv = s.inventoryname;
 363                                                 a->to_list = s.listname;
 364                                                 a->to_i = s.i;
 365                                                 //ispec.actions->push_back(a);
 366                                                 m_invmgr->inventoryAction(a);
 367
 368                                                 if(list_from->getItem(m_selected_item->i)->getCount()==1)
 369                                                         source_empties = true;
 370                                         }
 371                                         // Remove selection if target was left-clicked or source
 372                                         // slot was emptied
 373                                         if(amount == 0 || source_empties)
 374                                         {
 375                                                 delete m_selected_item;
 376                                                 m_selected_item = NULL;
 377                                         }
 378                                 }
 379                                 else
 380                                 {
 381                                         /*
 382                                                 Select if non-NULL
 383                                         */
 384                                         Inventory *inv = m_invmgr->getInventory(m_c,
 385                                                         s.inventoryname);
 386                                         assert(inv);
 387                                         InventoryList *list = inv->getList(s.listname);
 388                                         if(list->getItem(s.i) != NULL)
 389                                         {
 390                                                 m_selected_item = new ItemSpec(s);
 391                                         }
 392                                 }
 393                         }
 394                         else
 395                         {
 396                                 if(m_selected_item)
 397                                 {
 398                                         delete m_selected_item;
 399                                         m_selected_item = NULL;
 400                                 }
 401                         }
 402                 }
 403         }
 404         if(event.EventType==EET_GUI_EVENT)
 405         {
 406                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 407                                 && isVisible())
 408                 {
 409                         if(!canTakeFocus(event.GUIEvent.Element))
 410                         {
 411                                 dstream<<"GUIInventoryMenu: Not allowing focus change."
 412                                                 <<std::endl;
 413                                 // Returning true disables focus change
 414                                 return true;
 415                         }
 416                 }
 417                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 418                 {
 419                         /*switch(event.GUIEvent.Caller->getID())
 420                         {
 421                         case 256: // continue
 422                                 setVisible(false);
 423                                 break;
 424                         case 257: // exit
 425                                 dev->closeDevice();
 426                                 break;
 427                         }*/
 428                 }
 429         }
 430
 431         return Parent ? Parent->OnEvent(event) : false;
 432 }
 433
 434 /*
 435         Here is an example traditional set-up sequence for a DrawSpec list:
 436
 437         std::string furnace_inv_id = "nodemetadata:0,1,2";
 438         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
 439         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 440                         "list", furnace_inv_id, "fuel",
 441                         v2s32(2, 3), v2s32(1, 1)));
 442         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 443                         "list", furnace_inv_id, "src",
 444                         v2s32(2, 1), v2s32(1, 1)));
 445         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 446                         "list", furnace_inv_id, "dst",
 447                         v2s32(5, 1), v2s32(2, 2)));
 448         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 449                         "list", "current_player", "main",
 450                         v2s32(0, 5), v2s32(8, 4)));
 451         setDrawSpec(draw_spec);
 452
 453         Here is the string for creating the same DrawSpec list (a single line,
 454         spread to multiple lines here):
 455
 456         GUIInventoryMenu::makeDrawSpecArrayFromString(
 457                         draw_spec,
 458                         "nodemetadata:0,1,2",
 459                         "invsize[8,9;]"
 460                         "list[current_name;fuel;2,3;1,1;]"
 461                         "list[current_name;src;2,1;1,1;]"
 462                         "list[current_name;dst;5,1;2,2;]"
 463                         "list[current_player;main;0,5;8,4;]");
 464
 465         Returns inventory menu size defined by invsize[].
 466 */
 467 v2s16 GUIInventoryMenu::makeDrawSpecArrayFromString(
 468                 core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
 469                 const std::string &data,
 470                 const std::string &current_name)
 471 {
 472         v2s16 invsize(8,9);
 473         Strfnd f(data);
 474         while(f.atend() == false)
 475         {
 476                 std::string type = trim(f.next("["));
 477                 //dstream<<"type="<<type<<std::endl;
 478                 if(type == "list")
 479                 {
 480                         std::string name = f.next(";");
 481                         if(name == "current_name")
 482                                 name = current_name;
 483                         std::string subname = f.next(";");
 484                         s32 pos_x = stoi(f.next(","));
 485                         s32 pos_y = stoi(f.next(";"));
 486                         s32 geom_x = stoi(f.next(","));
 487                         s32 geom_y = stoi(f.next(";"));
 488                         dstream<<"list name="<<name<<", subname="<<subname
 489                                         <<", pos=("<<pos_x<<","<<pos_y<<")"
 490                                         <<", geom=("<<geom_x<<","<<geom_y<<")"
 491                                         <<std::endl;
 492                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
 493                                         type, name, subname,
 494                                         v2s32(pos_x,pos_y),v2s32(geom_x,geom_y)));
 495                         f.next("]");
 496                 }
 497                 else if(type == "invsize")
 498                 {
 499                         invsize.X = stoi(f.next(","));
 500                         invsize.Y = stoi(f.next(";"));
 501                         dstream<<"invsize ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
 502                         f.next("]");
 503                 }
 504                 else
 505                 {
 506                         // Ignore others
 507                         std::string ts = f.next("]");
 508                         dstream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
 509                                         <<std::endl;
 510                 }
 511         }
 512
 513         return invsize;
 514 }
 515