completed mouse events for slate widgets

Author: Roberto De Ioris

Source/UnrealEnginePython/Private/Slate/UEPySWidget.cpp

@@ -47,14 +47,82 @@ static PyObject *py_ue_swidget_bind_on_mouse_button_down(ue_PySWidget *self, PyO
 	UPythonSlateDelegate *py_delegate = NewObject<UPythonSlateDelegate>();
 	py_delegate->SetPyCallable(py_callable);
 	py_delegate->AddToRoot();
-	handler.BindUObject(py_delegate, &UPythonSlateDelegate::OnMouseButtonDown);
+	handler.BindUObject(py_delegate, &UPythonSlateDelegate::OnMouseEvent);
 
 	self->s_widget->SetOnMouseButtonDown(handler);
 
 	Py_INCREF(self);
 	return (PyObject *)self;
 }
 
+static PyObject *py_ue_swidget_bind_on_mouse_button_up(ue_PySWidget *self, PyObject * args) {
+	PyObject *py_callable;
+	if (!PyArg_ParseTuple(args, "O:bind_on_mouse_button_up", &py_callable)) {
+		return NULL;
+	}
+
+	if (!PyCallable_Check(py_callable)) {
+		return PyErr_Format(PyExc_Exception, "argument is not callable");
+	}
+
+	FPointerEventHandler handler;
+	UPythonSlateDelegate *py_delegate = NewObject<UPythonSlateDelegate>();
+	py_delegate->SetPyCallable(py_callable);
+	py_delegate->AddToRoot();
+	handler.BindUObject(py_delegate, &UPythonSlateDelegate::OnMouseEvent);
+
+	self->s_widget->SetOnMouseButtonUp(handler);
+
+	Py_INCREF(self);
+	return (PyObject *)self;
+}
+
+static PyObject *py_ue_swidget_bind_on_mouse_double_click(ue_PySWidget *self, PyObject * args) {
+	PyObject *py_callable;
+	if (!PyArg_ParseTuple(args, "O:bind_on_mouse_double_click", &py_callable)) {
+		return NULL;
+	}
+
+	if (!PyCallable_Check(py_callable)) {
+		return PyErr_Format(PyExc_Exception, "argument is not callable");
+	}
+
+	FPointerEventHandler handler;
+	UPythonSlateDelegate *py_delegate = NewObject<UPythonSlateDelegate>();
+	py_delegate->SetPyCallable(py_callable);
+	py_delegate->AddToRoot();
+	handler.BindUObject(py_delegate, &UPythonSlateDelegate::OnMouseEvent);
+
+	self->s_widget->SetOnMouseDoubleClick(handler);
+
+	Py_INCREF(self);
+	return (PyObject *)self;
+}
+
+static PyObject *py_ue_swidget_bind_on_mouse_move(ue_PySWidget *self, PyObject * args) {
+	PyObject *py_callable;
+	if (!PyArg_ParseTuple(args, "O:bind_on_mouse_move", &py_callable)) {
+		return NULL;
+	}
+
+	if (!PyCallable_Check(py_callable)) {
+		return PyErr_Format(PyExc_Exception, "argument is not callable");
+	}
+
+	FPointerEventHandler handler;
+	UPythonSlateDelegate *py_delegate = NewObject<UPythonSlateDelegate>();
+	py_delegate->SetPyCallable(py_callable);
+	py_delegate->AddToRoot();
+	handler.BindUObject(py_delegate, &UPythonSlateDelegate::OnMouseEvent);
+
+	self->s_widget->SetOnMouseMove(handler);
+
+	Py_INCREF(self);
+	return (PyObject *)self;
+}
+
+
+
 static PyObject *py_ue_swidget_has_keyboard_focus(ue_PySWidget *self, PyObject * args) {
 
 	if (self->s_widget->HasKeyboardFocus()) {
@@ -78,6 +146,9 @@ static PyMethodDef ue_PySWidget_methods[] = {
 	{ "set_tooltip_text", (PyCFunction)py_ue_swidget_set_tooltip_text, METH_VARARGS, "" },
 	{ "has_keyboard_focus", (PyCFunction)py_ue_swidget_has_keyboard_focus, METH_VARARGS, "" },
 	{ "bind_on_mouse_button_down", (PyCFunction)py_ue_swidget_bind_on_mouse_button_down, METH_VARARGS, "" },
+	{ "bind_on_mouse_button_up", (PyCFunction)py_ue_swidget_bind_on_mouse_button_down, METH_VARARGS, "" },
+	{ "bind_on_mouse_double_click", (PyCFunction)py_ue_swidget_bind_on_mouse_double_click, METH_VARARGS, "" },
+	{ "bind_on_mouse_move", (PyCFunction)py_ue_swidget_bind_on_mouse_move, METH_VARARGS, "" },
 	{ NULL }  /* Sentinel */
 };
 

Source/UnrealEnginePython/Private/Slate/UEPySlate.cpp

@@ -8,11 +8,9 @@
 
 #include "UEPySlate.h"
 
-FReply UPythonSlateDelegate::OnMouseButtonDown(const FGeometry &geometry, const FPointerEvent &pointer_event) {
+FReply UPythonSlateDelegate::OnMouseEvent(const FGeometry &geometry, const FPointerEvent &pointer_event) {
 	FScopePythonGIL gil;
 
-	UE_LOG(LogPython, Warning, TEXT("MOUSE BUTTON DOWN"));
-
 	PyObject *ret = PyObject_CallFunction(py_callable, (char *)"OO", py_ue_new_uscriptstruct(FGeometry::StaticStruct(), (uint8 *)&geometry), py_ue_new_uscriptstruct(FPointerEvent::StaticStruct(), (uint8 *)&pointer_event));
 	if (!ret) {
 		unreal_engine_py_log_error();

Source/UnrealEnginePython/Private/Slate/UEPySlate.h

@@ -63,7 +63,7 @@ class UPythonSlateDelegate : public UPythonDelegate
 	GENERATED_BODY()
 
 public:
-	FReply OnMouseButtonDown(const FGeometry &geometry, const FPointerEvent &pointer_event);
+	FReply OnMouseEvent(const FGeometry &geometry, const FPointerEvent &pointer_event);
 	FReply OnClicked();
 };