minetest/src/guiInventoryMenu.cpp

886 lines
24 KiB
C++

/*
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.
*/
#include "guiInventoryMenu.h"
#include "constants.h"
#include "gamedef.h"
#include "keycode.h"
#include "strfnd.h"
#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>
#include "log.h"
#include "tile.h" // ITextureSource
#include "util/string.h"
#include "util/numeric.h"
void drawItemStack(video::IVideoDriver *driver,
gui::IGUIFont *font,
const ItemStack &item,
const core::rect<s32> &rect,
const core::rect<s32> *clip,
IGameDef *gamedef)
{
if(item.empty())
return;
const ItemDefinition &def = item.getDefinition(gamedef->idef());
video::ITexture *texture = def.inventory_texture;
// Draw the inventory texture
if(texture != NULL)
{
const video::SColor color(255,255,255,255);
const video::SColor colors[] = {color,color,color,color};
driver->draw2DImage(texture, rect,
core::rect<s32>(core::position2d<s32>(0,0),
core::dimension2di(texture->getOriginalSize())),
clip, colors, true);
}
if(def.type == ITEM_TOOL && item.wear != 0)
{
// Draw a progressbar
float barheight = rect.getHeight()/16;
float barpad_x = rect.getWidth()/16;
float barpad_y = rect.getHeight()/16;
core::rect<s32> progressrect(
rect.UpperLeftCorner.X + barpad_x,
rect.LowerRightCorner.Y - barpad_y - barheight,
rect.LowerRightCorner.X - barpad_x,
rect.LowerRightCorner.Y - barpad_y);
// Shrink progressrect by amount of tool damage
float wear = item.wear / 65535.0;
int progressmid =
wear * progressrect.UpperLeftCorner.X +
(1-wear) * progressrect.LowerRightCorner.X;
// Compute progressbar color
// wear = 0.0: green
// wear = 0.5: yellow
// wear = 1.0: red
video::SColor color(255,255,255,255);
int wear_i = MYMIN(floor(wear * 600), 511);
wear_i = MYMIN(wear_i + 10, 511);
if(wear_i <= 255)
color.set(255, wear_i, 255, 0);
else
color.set(255, 255, 511-wear_i, 0);
core::rect<s32> progressrect2 = progressrect;
progressrect2.LowerRightCorner.X = progressmid;
driver->draw2DRectangle(color, progressrect2, clip);
color = video::SColor(255,0,0,0);
progressrect2 = progressrect;
progressrect2.UpperLeftCorner.X = progressmid;
driver->draw2DRectangle(color, progressrect2, clip);
}
if(font != NULL && item.count >= 2)
{
// Get the item count as a string
std::string text = itos(item.count);
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);
video::SColor color(255,255,255,255);
font->draw(text.c_str(), rect2, color, false, false, clip);
}
}
/*
GUIInventoryMenu
*/
GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
gui::IGUIElement* parent, s32 id,
IMenuManager *menumgr,
InventoryManager *invmgr,
IGameDef *gamedef
):
GUIModalMenu(env, parent, id, menumgr),
m_invmgr(invmgr),
m_gamedef(gamedef),
m_form_src(NULL),
m_selected_item(NULL),
m_selected_amount(0),
m_selected_dragging(false),
m_tooltip_element(NULL)
{
}
GUIInventoryMenu::~GUIInventoryMenu()
{
removeChildren();
delete m_selected_item;
delete m_form_src;
}
void GUIInventoryMenu::removeChildren()
{
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();
}*/
if(m_tooltip_element)
{
m_tooltip_element->remove();
m_tooltip_element = NULL;
}
}
void GUIInventoryMenu::regenerateGui(v2u32 screensize)
{
// Remove children
removeChildren();
v2s32 size(100,100);
s32 helptext_h = 15;
core::rect<s32> rect;
v2s32 basepos = getBasePos();
/* Convert m_init_draw_spec to m_inventorylists */
m_inventorylists.clear();
m_images.clear();
Strfnd f(m_formspec_string);
while(f.atend() == false)
{
std::string type = trim(f.next("["));
if(type == "invsize")
{
v2f invsize;
invsize.X = stof(f.next(","));
invsize.Y = stof(f.next(";"));
infostream<<"invsize ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
f.next("]");
padding = v2s32(screensize.Y/40, screensize.Y/40);
spacing = v2s32(screensize.Y/12, screensize.Y/13);
imgsize = v2s32(screensize.Y/15, screensize.Y/15);
size = v2s32(
padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + (helptext_h-5)
);
rect = core::rect<s32>(
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);
basepos = getBasePos();
}
else if(type == "list")
{
std::string name = f.next(";");
InventoryLocation loc;
if(name == "context" || name == "current_name")
loc = m_current_inventory_location;
else
loc.deSerialize(name);
std::string listname = f.next(";");
v2s32 pos = basepos;
pos.X += stof(f.next(",")) * (float)spacing.X;
pos.Y += stof(f.next(";")) * (float)spacing.Y;
v2s32 geom;
geom.X = stoi(f.next(","));
geom.Y = stoi(f.next(";"));
infostream<<"list inv="<<name<<", listname="<<listname
<<", pos=("<<pos.X<<","<<pos.Y<<")"
<<", geom=("<<geom.X<<","<<geom.Y<<")"
<<std::endl;
f.next("]");
m_inventorylists.push_back(ListDrawSpec(loc, listname, pos, geom));
}
else if(type == "image")
{
v2s32 pos = basepos;
pos.X += stof(f.next(",")) * (float)spacing.X;
pos.Y += stof(f.next(";")) * (float)spacing.Y;
v2s32 geom;
geom.X = stof(f.next(",")) * (float)imgsize.X;
geom.Y = stof(f.next(";")) * (float)imgsize.Y;
std::string name = f.next("]");
infostream<<"image name="<<name
<<", pos=("<<pos.X<<","<<pos.Y<<")"
<<", geom=("<<geom.X<<","<<geom.Y<<")"
<<std::endl;
m_images.push_back(ImageDrawSpec(name, pos, geom));
}
else
{
// Ignore others
std::string ts = f.next("]");
infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
<<std::endl;
}
}
// 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()-5);
const wchar_t *text =
L"Left click: Move all items, Right click: Move single item";
Environment->addStaticText(text, rect, false, true, this, 256);
// Add tooltip
// Note: parent != this so that the tooltip isn't clipped by the menu rectangle
m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
m_tooltip_element->enableOverrideColor(true);
m_tooltip_element->setBackgroundColor(video::SColor(255,110,130,60));
m_tooltip_element->setDrawBackground(true);
m_tooltip_element->setDrawBorder(true);
m_tooltip_element->setOverrideColor(video::SColor(255,255,255,255));
m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
m_tooltip_element->setWordWrap(false);
}
}
GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
{
core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
for(u32 i=0; i<m_inventorylists.size(); i++)
{
const ListDrawSpec &s = m_inventorylists[i];
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.inventoryloc, s.listname, i);
}
}
}
return ItemSpec(InventoryLocation(), "", -1);
}
void GUIInventoryMenu::drawList(const ListDrawSpec &s, int phase)
{
video::IVideoDriver* driver = Environment->getVideoDriver();
// Get font
gui::IGUIFont *font = NULL;
gui::IGUISkin* skin = Environment->getSkin();
if (skin)
font = skin->getFont();
Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
if(!inv){
infostream<<"GUIInventoryMenu::drawList(): WARNING: "
<<"The inventory location "
<<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
<<std::endl;
return;
}
InventoryList *ilist = inv->getList(s.listname);
if(!ilist){
infostream<<"GUIInventoryMenu::drawList(): WARNING: "
<<"The inventory list \""<<s.listname<<"\" @ \""
<<s.inventoryloc.dump()<<"\" doesn't exist"
<<std::endl;
return;
}
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;
ItemStack item;
if(ilist)
item = ilist->getItem(i);
bool selected = m_selected_item
&& m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
&& m_selected_item->listname == s.listname
&& m_selected_item->i == i;
bool hovering = rect.isPointInside(m_pointer);
if(phase == 0)
{
if(hovering && m_selected_item)
{
video::SColor bgcolor(255,192,192,192);
driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
}
else
{
video::SColor bgcolor(255,128,128,128);
driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
}
}
if(phase == 1)
{
// Draw item stack
if(selected)
{
item.takeItem(m_selected_amount);
}
if(!item.empty())
{
drawItemStack(driver, font, item,
rect, &AbsoluteClippingRect, m_gamedef);
}
// Draw tooltip
std::string tooltip_text = "";
if(hovering && !m_selected_item)
tooltip_text = item.getDefinition(m_gamedef->idef()).description;
if(tooltip_text != "")
{
m_tooltip_element->setVisible(true);
this->bringToFront(m_tooltip_element);
m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
s32 tooltip_x = m_pointer.X + 15;
s32 tooltip_y = m_pointer.Y + 15;
s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
m_tooltip_element->setRelativePosition(core::rect<s32>(
core::position2d<s32>(tooltip_x, tooltip_y),
core::dimension2d<s32>(tooltip_width, tooltip_height)));
}
}
}
}
void GUIInventoryMenu::drawSelectedItem()
{
if(!m_selected_item)
return;
video::IVideoDriver* driver = Environment->getVideoDriver();
// Get font
gui::IGUIFont *font = NULL;
gui::IGUISkin* skin = Environment->getSkin();
if (skin)
font = skin->getFont();
Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
assert(inv);
InventoryList *list = inv->getList(m_selected_item->listname);
assert(list);
ItemStack stack = list->getItem(m_selected_item->i);
stack.count = m_selected_amount;
core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
core::rect<s32> rect = imgrect + (m_pointer - imgrect.getCenter());
drawItemStack(driver, font, stack, rect, NULL, m_gamedef);
}
void GUIInventoryMenu::drawMenu()
{
if(m_form_src){
std::string newform = m_form_src->getForm();
if(newform != m_formspec_string){
m_formspec_string = newform;
regenerateGui(m_screensize_old);
}
}
updateSelectedItem();
gui::IGUISkin* skin = Environment->getSkin();
if (!skin)
return;
video::IVideoDriver* driver = Environment->getVideoDriver();
video::SColor bgcolor(140,0,0,0);
driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
m_tooltip_element->setVisible(false);
/*
Draw items
Phase 0: Item slot rectangles
Phase 1: Item images; prepare tooltip
*/
for(int phase=0; phase<=1; phase++)
for(u32 i=0; i<m_inventorylists.size(); i++)
{
drawList(m_inventorylists[i], phase);
}
for(u32 i=0; i<m_images.size(); i++)
{
const ImageDrawSpec &spec = m_images[i];
video::ITexture *texture =
m_gamedef->tsrc()->getTextureRaw(spec.name);
// Image size on screen
core::rect<s32> imgrect(0, 0, spec.geom.X, spec.geom.Y);
// Image rectangle on screen
core::rect<s32> rect = imgrect + spec.pos;
const video::SColor color(255,255,255,255);
const video::SColor colors[] = {color,color,color,color};
driver->draw2DImage(texture, rect,
core::rect<s32>(core::position2d<s32>(0,0),
core::dimension2di(texture->getOriginalSize())),
NULL/*&AbsoluteClippingRect*/, colors, true);
}
/*
Draw dragged item stack
*/
drawSelectedItem();
/*
Call base class
*/
gui::IGUIElement::draw();
}
void GUIInventoryMenu::updateSelectedItem()
{
// If the selected stack has become empty for some reason, deselect it.
// If the selected stack has become smaller, adjust m_selected_amount.
if(m_selected_item)
{
bool selection_valid = false;
if(m_selected_item->isValid())
{
Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
if(inv)
{
InventoryList *list = inv->getList(m_selected_item->listname);
if(list && (u32) m_selected_item->i < list->getSize())
{
ItemStack stack = list->getItem(m_selected_item->i);
if(m_selected_amount > stack.count)
m_selected_amount = stack.count;
if(!stack.empty())
selection_valid = true;
}
}
}
if(!selection_valid)
{
delete m_selected_item;
m_selected_item = NULL;
m_selected_amount = 0;
m_selected_dragging = false;
}
}
// If craftresult is nonempty and nothing else is selected, select it now.
if(!m_selected_item)
{
for(u32 i=0; i<m_inventorylists.size(); i++)
{
const ListDrawSpec &s = m_inventorylists[i];
if(s.listname == "craftpreview")
{
Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
InventoryList *list = inv->getList("craftresult");
if(list && list->getSize() >= 1 && !list->getItem(0).empty())
{
m_selected_item = new ItemSpec;
m_selected_item->inventoryloc = s.inventoryloc;
m_selected_item->listname = "craftresult";
m_selected_item->i = 0;
m_selected_amount = 0;
m_selected_dragging = false;
break;
}
}
}
}
// If craftresult is selected, keep the whole stack selected
if(m_selected_item && m_selected_item->listname == "craftresult")
{
Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
assert(inv);
InventoryList *list = inv->getList(m_selected_item->listname);
assert(list);
m_selected_amount = list->getItem(m_selected_item->i).count;
}
}
bool GUIInventoryMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT)
{
KeyPress kp(event.KeyInput);
if (event.KeyInput.PressedDown && (kp == EscapeKey ||
kp == getKeySetting("keymap_inventory")))
{
quitMenu();
return true;
}
}
if(event.EventType==EET_MOUSE_INPUT_EVENT
&& event.MouseInput.Event == EMIE_MOUSE_MOVED)
{
// Mouse moved
m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
}
if(event.EventType==EET_MOUSE_INPUT_EVENT
&& event.MouseInput.Event != EMIE_MOUSE_MOVED)
{
// Mouse event other than movement
v2s32 p(event.MouseInput.X, event.MouseInput.Y);
m_pointer = p;
// Get selected item and hovered/clicked item (s)
updateSelectedItem();
ItemSpec s = getItemAtPos(p);
Inventory *inv_selected = NULL;
Inventory *inv_s = NULL;
if(m_selected_item)
{
inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
assert(inv_selected);
assert(inv_selected->getList(m_selected_item->listname) != NULL);
}
u32 s_count = 0;
if(s.isValid())
do{ // breakable
inv_s = m_invmgr->getInventory(s.inventoryloc);
if(!inv_s){
errorstream<<"InventoryMenu: The selected inventory location "
<<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
<<std::endl;
s.i = -1; // make it invalid again
break;
}
InventoryList *list = inv_s->getList(s.listname);
if(list == NULL){
errorstream<<"InventoryMenu: The selected inventory list \""
<<s.listname<<"\" does not exist"<<std::endl;
s.i = -1; // make it invalid again
break;
}
if((u32)s.i >= list->getSize()){
errorstream<<"InventoryMenu: The selected inventory list \""
<<s.listname<<"\" is too small (i="<<s.i<<", size="
<<list->getSize()<<")"<<std::endl;
s.i = -1; // make it invalid again
break;
}
s_count = list->getItem(s.i).count;
}while(0);
bool identical = (m_selected_item != NULL) && s.isValid() &&
(inv_selected == inv_s) &&
(m_selected_item->listname == s.listname) &&
(m_selected_item->i == s.i);
// buttons: 0 = left, 1 = right, 2 = middle
// up/down: 0 = down (press), 1 = up (release), 2 = unknown event
int button = 0;
int updown = 2;
if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
{ button = 0; updown = 0; }
else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
{ button = 1; updown = 0; }
else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
{ button = 2; updown = 0; }
else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
{ button = 0; updown = 1; }
else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
{ button = 1; updown = 1; }
else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP)
{ button = 2; updown = 1; }
// Set this number to a positive value to generate a move action
// from m_selected_item to s.
u32 move_amount = 0;
// Set this number to a positive value to generate a drop action
// from m_selected_item.
u32 drop_amount = 0;
// Set this number to a positive value to generate a craft action at s.
u32 craft_amount = 0;
if(updown == 0)
{
// Some mouse button has been pressed
//infostream<<"Mouse button "<<button<<" pressed at p=("
// <<p.X<<","<<p.Y<<")"<<std::endl;
m_selected_dragging = false;
if(s.isValid() && s.listname == "craftpreview")
{
// Craft preview has been clicked: craft
craft_amount = (button == 2 ? 10 : 1);
}
else if(m_selected_item == NULL)
{
if(s_count != 0)
{
// Non-empty stack has been clicked: select it
m_selected_item = new ItemSpec(s);
if(button == 1) // right
m_selected_amount = (s_count + 1) / 2;
else if(button == 2) // middle
m_selected_amount = MYMIN(s_count, 10);
else // left
m_selected_amount = s_count;
m_selected_dragging = true;
}
}
else // m_selected_item != NULL
{
assert(m_selected_amount >= 1);
if(s.isValid())
{
// Clicked a slot: move
if(button == 1) // right
move_amount = 1;
else if(button == 2) // middle
move_amount = MYMIN(m_selected_amount, 10);
else // left
move_amount = m_selected_amount;
if(identical)
{
if(move_amount >= m_selected_amount)
m_selected_amount = 0;
else
m_selected_amount -= move_amount;
move_amount = 0;
}
}
else if(getAbsoluteClippingRect().isPointInside(m_pointer))
{
// Clicked somewhere else: deselect
m_selected_amount = 0;
}
else
{
// Clicked outside of the window: drop
if(button == 1) // right
drop_amount = 1;
else if(button == 2) // middle
drop_amount = MYMIN(m_selected_amount, 10);
else // left
drop_amount = m_selected_amount;
}
}
}
else if(updown == 1)
{
// Some mouse button has been released
//infostream<<"Mouse button "<<button<<" released at p=("
// <<p.X<<","<<p.Y<<")"<<std::endl;
if(m_selected_item != NULL && m_selected_dragging && s.isValid())
{
if(!identical)
{
// Dragged to different slot: move all selected
move_amount = m_selected_amount;
}
}
else if(m_selected_item != NULL && m_selected_dragging &&
!(getAbsoluteClippingRect().isPointInside(m_pointer)))
{
// Dragged outside of window: drop all selected
drop_amount = m_selected_amount;
}
m_selected_dragging = false;
}
// Possibly send inventory action to server
if(move_amount > 0)
{
// Send IACTION_MOVE
assert(m_selected_item && m_selected_item->isValid());
assert(s.isValid());
assert(inv_selected && inv_s);
InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
InventoryList *list_to = inv_s->getList(s.listname);
assert(list_from && list_to);
ItemStack stack_from = list_from->getItem(m_selected_item->i);
ItemStack stack_to = list_to->getItem(s.i);
// Check how many items can be moved
move_amount = stack_from.count = MYMIN(move_amount, stack_from.count);
ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
if(leftover.count == stack_from.count)
{
// Swap the stacks
m_selected_amount -= stack_to.count;
}
else if(leftover.empty())
{
// Item fits
m_selected_amount -= move_amount;
}
else
{
// Item only fits partially
move_amount -= leftover.count;
m_selected_amount -= move_amount;
}
infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
IMoveAction *a = new IMoveAction();
a->count = move_amount;
a->from_inv = m_selected_item->inventoryloc;
a->from_list = m_selected_item->listname;
a->from_i = m_selected_item->i;
a->to_inv = s.inventoryloc;
a->to_list = s.listname;
a->to_i = s.i;
m_invmgr->inventoryAction(a);
}
else if(drop_amount > 0)
{
// Send IACTION_DROP
assert(m_selected_item && m_selected_item->isValid());
assert(inv_selected);
InventoryList *list_from = inv_selected->getList(m_selected_item->listname);
assert(list_from);
ItemStack stack_from = list_from->getItem(m_selected_item->i);
// Check how many items can be dropped
drop_amount = stack_from.count = MYMIN(drop_amount, stack_from.count);
assert(drop_amount > 0 && drop_amount <= m_selected_amount);
m_selected_amount -= drop_amount;
infostream<<"Handing IACTION_DROP to manager"<<std::endl;
IDropAction *a = new IDropAction();
a->count = drop_amount;
a->from_inv = m_selected_item->inventoryloc;
a->from_list = m_selected_item->listname;
a->from_i = m_selected_item->i;
m_invmgr->inventoryAction(a);
}
else if(craft_amount > 0)
{
// Send IACTION_CRAFT
assert(s.isValid());
assert(inv_s);
infostream<<"Handing IACTION_CRAFT to manager"<<std::endl;
ICraftAction *a = new ICraftAction();
a->count = craft_amount;
a->craft_inv = s.inventoryloc;
m_invmgr->inventoryAction(a);
}
// If m_selected_amount has been decreased to zero, deselect
if(m_selected_amount == 0)
{
delete m_selected_item;
m_selected_item = NULL;
m_selected_amount = 0;
m_selected_dragging = false;
}
}
if(event.EventType==EET_GUI_EVENT)
{
if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
&& isVisible())
{
if(!canTakeFocus(event.GUIEvent.Element))
{
infostream<<"GUIInventoryMenu: Not allowing focus change."
<<std::endl;
// Returning true disables focus change
return true;
}
}
if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
{
/*switch(event.GUIEvent.Caller->getID())
{
case 256: // continue
setVisible(false);
break;
case 257: // exit
dev->closeDevice();
break;
}*/
}
}
return Parent ? Parent->OnEvent(event) : false;
}