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Add @export_tool_button annotation for easily creating inspector buttons

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Co-authored-by: jordi <creptthrust@gmail.com>
Co-authored-by: K. S. Ernest (iFire) Lee <ernest.lee@chibifire.com>
Co-authored-by: Mack <86566939+Macksaur@users.noreply.github.com>
This commit is contained in:
Danil Alexeev 2024-09-26 20:34:29 +03:00 • committed by Mack
parent 76a135926a
commit 85dfd89653
14 changed files with 257 additions and 10 deletions
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63
modules/gdscript/gdscript_parser.cpp
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@ -122,6 +122,7 @@ GDScriptParser::GDScriptParser() {
register_annotation(MethodInfo("@export_flags_avoidance"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_AVOIDANCE, Variant::INT>);
register_annotation(MethodInfo("@export_storage"), AnnotationInfo::VARIABLE, &GDScriptParser::export_storage_annotation);
register_annotation(MethodInfo("@export_custom", PropertyInfo(Variant::INT, "hint", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_CLASS_IS_ENUM, "PropertyHint"), PropertyInfo(Variant::STRING, "hint_string"), PropertyInfo(Variant::INT, "usage", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_CLASS_IS_BITFIELD, "PropertyUsageFlags")), AnnotationInfo::VARIABLE, &GDScriptParser::export_custom_annotation, varray(PROPERTY_USAGE_DEFAULT));
register_annotation(MethodInfo("@export_tool_button", PropertyInfo(Variant::STRING, "text"), PropertyInfo(Variant::STRING, "icon")), AnnotationInfo::VARIABLE, &GDScriptParser::export_tool_button_annotation, varray(""));
// Export grouping annotations.
register_annotation(MethodInfo("@export_category", PropertyInfo(Variant::STRING, "name")), AnnotationInfo::STANDALONE, &GDScriptParser::export_group_annotations<PROPERTY_USAGE_CATEGORY>);
register_annotation(MethodInfo("@export_group", PropertyInfo(Variant::STRING, "name"), PropertyInfo(Variant::STRING, "prefix")), AnnotationInfo::STANDALONE, &GDScriptParser::export_group_annotations<PROPERTY_USAGE_GROUP>, varray(""));
@ -4618,10 +4619,10 @@ bool GDScriptParser::export_annotations(AnnotationNode *p_annotation, Node *p_ta
// For `@export_storage` and `@export_custom`, there is no need to check the variable type, argument values,
// or handle array exports in a special way, so they are implemented as separate methods.
bool GDScriptParser::export_storage_annotation(AnnotationNode *p_annotation, Node *p_node, ClassNode *p_class) {
ERR_FAIL_COND_V_MSG(p_node->type != Node::VARIABLE, false, vformat(R"("%s" annotation can only be applied to variables.)", p_annotation->name));
bool GDScriptParser::export_storage_annotation(AnnotationNode *p_annotation, Node *p_target, ClassNode *p_class) {
ERR_FAIL_COND_V_MSG(p_target->type != Node::VARIABLE, false, vformat(R"("%s" annotation can only be applied to variables.)", p_annotation->name));
VariableNode *variable = static_cast<VariableNode *>(p_node);
VariableNode *variable = static_cast<VariableNode *>(p_target);
if (variable->is_static) {
push_error(vformat(R"(Annotation "%s" cannot be applied to a static variable.)", p_annotation->name), p_annotation);
return false;
@ -4640,11 +4641,11 @@ bool GDScriptParser::export_storage_annotation(AnnotationNode *p_annotation, Nod
return true;
}
bool GDScriptParser::export_custom_annotation(AnnotationNode *p_annotation, Node *p_node, ClassNode *p_class) {
ERR_FAIL_COND_V_MSG(p_node->type != Node::VARIABLE, false, vformat(R"("%s" annotation can only be applied to variables.)", p_annotation->name));
bool GDScriptParser::export_custom_annotation(AnnotationNode *p_annotation, Node *p_target, ClassNode *p_class) {
ERR_FAIL_COND_V_MSG(p_target->type != Node::VARIABLE, false, vformat(R"("%s" annotation can only be applied to variables.)", p_annotation->name));
ERR_FAIL_COND_V_MSG(p_annotation->resolved_arguments.size() < 2, false, R"(Annotation "@export_custom" requires 2 arguments.)");
VariableNode *variable = static_cast<VariableNode *>(p_node);
VariableNode *variable = static_cast<VariableNode *>(p_target);
if (variable->is_static) {
push_error(vformat(R"(Annotation "%s" cannot be applied to a static variable.)", p_annotation->name), p_annotation);
return false;
@ -4668,12 +4669,56 @@ bool GDScriptParser::export_custom_annotation(AnnotationNode *p_annotation, Node
return true;
}
template <PropertyUsageFlags t_usage>
bool GDScriptParser::export_group_annotations(AnnotationNode *p_annotation, Node *p_target, ClassNode *p_class) {
if (p_annotation->resolved_arguments.is_empty()) {
bool GDScriptParser::export_tool_button_annotation(AnnotationNode *p_annotation, Node *p_target, ClassNode *p_class) {
#ifdef TOOLS_ENABLED
ERR_FAIL_COND_V_MSG(p_target->type != Node::VARIABLE, false, vformat(R"("%s" annotation can only be applied to variables.)", p_annotation->name));
ERR_FAIL_COND_V(p_annotation->resolved_arguments.is_empty(), false);
if (!is_tool()) {
push_error(R"(Tool buttons can only be used in tool scripts (add "@tool" to the top of the script).)", p_annotation);
return false;
}
VariableNode *variable = static_cast<VariableNode *>(p_target);
if (variable->is_static) {
push_error(vformat(R"(Annotation "%s" cannot be applied to a static variable.)", p_annotation->name), p_annotation);
return false;
}
if (variable->exported) {
push_error(vformat(R"(Annotation "%s" cannot be used with another "@export" annotation.)", p_annotation->name), p_annotation);
return false;
}
const DataType variable_type = variable->get_datatype();
if (!variable_type.is_variant() && variable_type.is_hard_type()) {
if (variable_type.kind != DataType::BUILTIN || variable_type.builtin_type != Variant::CALLABLE) {
push_error(vformat(R"("@export_tool_button" annotation requires a variable of type "Callable", but type "%s" was given instead.)", variable_type.to_string()), p_annotation);
return false;
}
}
variable->exported = true;
// Build the hint string (format: `<text>[,<icon>]`).
String hint_string = p_annotation->resolved_arguments[0].operator String(); // Button text.
if (p_annotation->resolved_arguments.size() > 1) {
hint_string += "," + p_annotation->resolved_arguments[1].operator String(); // Button icon.
}
variable->export_info.type = Variant::CALLABLE;
variable->export_info.hint = PROPERTY_HINT_TOOL_BUTTON;
variable->export_info.hint_string = hint_string;
variable->export_info.usage = PROPERTY_USAGE_EDITOR;
#endif // TOOLS_ENABLED
return true; // Only available in editor.
}
template <PropertyUsageFlags t_usage>
bool GDScriptParser::export_group_annotations(AnnotationNode *p_annotation, Node *p_target, ClassNode *p_class) {
ERR_FAIL_COND_V(p_annotation->resolved_arguments.is_empty(), false);
p_annotation->export_info.name = p_annotation->resolved_arguments[0];
switch (t_usage) {