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add max-chars attribute to text field

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This commit is contained in:
Nat Quayle Nelson
2025-01-23 20:12:32 -06:00
parent dde250fd25
commit de45b379e3
4 changed files with 21 additions and 11 deletions
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23
src/dialogxml/widgets/field.cpp
View File

@@ -442,16 +442,18 @@ void cTextField::handleInput(cKey key, bool record) {
handleInput(deleteKey);
contents = getText();
}
if(aTextInsert* ins = dynamic_cast<aTextInsert*>(current_action.get()))
ins->append(key.c);
else {
if(current_action) history.add(current_action);
aTextInsert* new_ins = new aTextInsert(*this, insertionPoint);
new_ins->append(key.c);
current_action.reset(new_ins);
if(maxChars < 0 || contents.size() < maxChars){
if(aTextInsert* ins = dynamic_cast<aTextInsert*>(current_action.get()))
ins->append(key.c);
else {
if(current_action) history.add(current_action);
aTextInsert* new_ins = new aTextInsert(*this, insertionPoint);
new_ins->append(key.c);
current_action.reset(new_ins);
}
contents.insert(contents.begin() + insertionPoint, char(key.c));
selectionPoint = ++insertionPoint;
}
contents.insert(contents.begin() + insertionPoint, char(key.c));
selectionPoint = ++insertionPoint;
} else switch(key.k) {
case key_enter: break; // Shouldn't be receiving this anyway
case key_left: case key_word_left:
@@ -681,6 +683,9 @@ bool cTextField::parseAttribute(ticpp::Attribute& attr, std::string tagName, std
} else if(name == "tab-order"){
attr.GetValue(&tabOrder);
return true;
} else if(name == "max-chars"){
attr.GetValue(&maxChars);
return true;
}
return cControl::parseAttribute(attr, tagName, fname);
}

4
src/dialogxml/widgets/field.hpp
View File

@@ -90,6 +90,10 @@ private:
rectangle text_rect;
std::vector<snippet_t> snippets;
int ip_row, ip_col;
/// Setting maxChars AFTER the player has a chance to type in the field would be a bad idea.
/// So would calling setText() with a string longer than maxChars.
/// Really, it should probably only be set in xml, as the attribute "max-chars".
int maxChars = -1;
friend class aTextInsert;
friend class aTextDelete;
};