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ConnectionsDock: Add tooltip with signal description 

Had to create a custom Tree to override `make_custom_control` for the
rich text display, similar to EditorProperty.

Fixes #30244.
This commit is contained in:
Rémi Verschelde 2019-07-02 15:46:00 +02:00
parent e9d624d7ce
commit 190e866e4d
2 changed files with 69 additions and 8 deletions
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66
editor/connections_dialog.cpp
View File

@ -459,6 +459,21 @@ ConnectDialog::~ConnectDialog() {
//////////////////////////////////////////
// Originally copied and adapted from EditorProperty, try to keep style in sync.
Control *ConnectionsDockTree::make_custom_tooltip(const String &p_text) const {
EditorHelpBit *help_bit = memnew(EditorHelpBit);
help_bit->add_style_override("panel", get_stylebox("panel", "TooltipPanel"));
help_bit->get_rich_text()->set_fixed_size_to_width(360 * EDSCALE);
String text = TTR("Signal:") + " [u][b]" + p_text.get_slice("::", 0) + "[/b][/u]";
text += p_text.get_slice("::", 1).strip_edges() + "\n";
text += p_text.get_slice("::", 2).strip_edges();
help_bit->set_text(text);
help_bit->call_deferred("set_text", text); //hack so it uses proper theme once inside scene
return help_bit;
}
struct _ConnectionsDockMethodInfoSort {
_FORCE_INLINE_ bool operator()(const MethodInfo &a, const MethodInfo &b) const {
@ -892,8 +907,8 @@ void ConnectionsDock::update_tree() {
MethodInfo &mi = E->get();
String signaldesc;
signaldesc = mi.name + "(";
StringName signal_name = mi.name;
String signaldesc = "(";
PoolStringArray argnames;
if (mi.arguments.size()) {
signaldesc += " ";
@ -914,19 +929,56 @@ void ConnectionsDock::update_tree() {
}
signaldesc += " ";
}
signaldesc += ")";
TreeItem *item = tree->create_item(pitem);
item->set_text(0, signaldesc);
item->set_text(0, String(signal_name) + signaldesc);
Dictionary sinfo;
sinfo["name"] = mi.name;
sinfo["name"] = signal_name;
sinfo["args"] = argnames;
item->set_metadata(0, sinfo);
item->set_icon(0, get_icon("Signal", "EditorIcons"));
// Set tooltip with the signal's documentation
{
String descr;
bool found = false;
Map<StringName, Map<StringName, String> >::Element *G = descr_cache.find(base);
if (G) {
Map<StringName, String>::Element *F = G->get().find(signal_name);
if (F) {
found = true;
descr = F->get();
}
}
if (!found) {
DocData *dd = EditorHelp::get_doc_data();
Map<String, DocData::ClassDoc>::Element *F = dd->class_list.find(base);
while (F && descr == String()) {
for (int i = 0; i < F->get().signals.size(); i++) {
if (F->get().signals[i].name == signal_name.operator String()) {
descr = F->get().signals[i].description.strip_edges();
break;
}
}
if (!F->get().inherits.empty()) {
F = dd->class_list.find(F->get().inherits);
} else {
break;
}
}
descr_cache[base][signal_name] = descr;
}
// "::" separators used in make_custom_tooltip for formatting.
item->set_tooltip(0, String(signal_name) + "::" + signaldesc + "::" + descr);
}
// List existing connections
List<Object::Connection> connections;
selectedNode->get_signal_connection_list(mi.name, &connections);
selectedNode->get_signal_connection_list(signal_name, &connections);
for (List<Object::Connection>::Element *F = connections.front(); F; F = F->next()) {
@ -980,7 +1032,7 @@ ConnectionsDock::ConnectionsDock(EditorNode *p_editor) {
VBoxContainer *vbc = this;
tree = memnew(Tree);
tree = memnew(ConnectionsDockTree);
tree->set_columns(1);
tree->set_select_mode(Tree::SELECT_ROW);
tree->set_hide_root(true);

11
editor/connections_dialog.h
View File

@ -106,6 +106,13 @@ public:
//////////////////////////////////////////
// Custom Tree needed to use a RichTextLabel as tooltip control
// when display signal documentation.
class ConnectionsDockTree : public Tree {
virtual Control *make_custom_tooltip(const String &p_text) const;
};
class ConnectionsDock : public VBoxContainer {
GDCLASS(ConnectionsDock, VBoxContainer);
@ -123,7 +130,7 @@ class ConnectionsDock : public VBoxContainer {
};
Node *selectedNode;
Tree *tree;
ConnectionsDockTree *tree;
EditorNode *editor;
ConfirmationDialog *disconnect_all_dialog;
@ -133,6 +140,8 @@ class ConnectionsDock : public VBoxContainer {
PopupMenu *slot_menu;
UndoRedo *undo_redo;
Map<StringName, Map<StringName, String> > descr_cache;
void _make_or_edit_connection();
void _connect(Connection cToMake);
void _disconnect(TreeItem &item);