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kahrl/gist:5793895

Last active Dec 18, 2015
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diff --git a/src/guiFormSpecMenu.cpp b/src/guiFormSpecMenu.cpp
index 3e0d7fd..a39aa4b 100644
--- a/src/guiFormSpecMenu.cpp
+++ b/src/guiFormSpecMenu.cpp
@@ -912,11 +912,20 @@ void GUIFormSpecMenu::drawMenu()
void GUIFormSpecMenu::updateSelectedItem()
{
+ // If the selected stack has become empty for some reason, deselect it.
+ // If the selected stack has become inaccessible, deselect it.
+ // If the selected stack has become smaller, adjust m_selected_amount.
+ ItemStack selected = verifySelectedItem();
+
// WARNING: BLACK MAGIC
// See if there is a stack suited for our current guess.
// If such stack does not exist, clear the guess.
- if(m_selected_content_guess.name != "")
- {
+ if(m_selected_content_guess.name != "" &&
+ selected.name == m_selected_content_guess.name &&
+ selected.count == m_selected_content_guess.count){
+ // Selected item fits the guess. Skip the black magic.
+ }
+ else if(m_selected_content_guess.name != ""){
bool found = false;
for(u32 i=0; i<m_inventorylists.size() && !found; i++){
const ListDrawSpec &s = m_inventorylists[i];
@@ -934,23 +943,12 @@ void GUIFormSpecMenu::updateSelectedItem()
if(stack.name == m_selected_content_guess.name &&
stack.count == m_selected_content_guess.count){
found = true;
- if(m_selected_item){
- // If guessed stack is already selected, all is fine
- if(m_selected_item->inventoryloc == s.inventoryloc &&
- m_selected_item->listname == s.listname &&
- m_selected_item->i == (s32)item_i &&
- m_selected_amount == stack.count){
- break;
- }
- delete m_selected_item;
- m_selected_item = NULL;
- }
infostream<<"Client: Changing selected content guess to "
<<s.inventoryloc.dump()<<" "<<s.listname
<<" "<<item_i<<std::endl;
+ delete m_selected_item;
m_selected_item = new ItemSpec(s.inventoryloc, s.listname, item_i);
m_selected_amount = stack.count;
- break;
}
}
}
@@ -960,35 +958,6 @@ void GUIFormSpecMenu::updateSelectedItem()
m_selected_content_guess.name = "";
}
}
- // 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)
@@ -1017,12 +986,43 @@ void GUIFormSpecMenu::updateSelectedItem()
// 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;
+ m_selected_amount = verifySelectedItem().count;
+ }
+}
+
+ItemStack GUIFormSpecMenu::verifySelectedItem()
+{
+ // If the selected stack has become empty for some reason, deselect it.
+ // If the selected stack has become inaccessible, deselect it.
+ // If the selected stack has become smaller, adjust m_selected_amount.
+ // Return the selected stack.
+
+ if(m_selected_item)
+ {
+ 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())
+ return stack;
+ }
+ }
+ }
+
+ // selection was not valid
+ delete m_selected_item;
+ m_selected_item = NULL;
+ m_selected_amount = 0;
+ m_selected_dragging = false;
}
+ return ItemStack();
}
void GUIFormSpecMenu::acceptInput()
diff --git a/src/guiFormSpecMenu.h b/src/guiFormSpecMenu.h
index 17b202b..ae985ad 100644
--- a/src/guiFormSpecMenu.h
+++ b/src/guiFormSpecMenu.h
@@ -186,6 +186,7 @@ class GUIFormSpecMenu : public GUIModalMenu
void drawSelectedItem();
void drawMenu();
void updateSelectedItem();
+ ItemStack verifySelectedItem();
void acceptInput();
bool OnEvent(const SEvent& event);
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