add text input popup

src/node_input_box.cpp

@@ -0,0 +1,57 @@
+#include "pch.h"
+#include "log.h"
+#include "node_input_box.h"
+#include "layout.h"
+
+Node* NodeInputBox::clone_instantiate() const
+{
+    return new NodeInputBox();
+}
+
+void NodeInputBox::init()
+{
+    SetPosition(0, 0);
+    SetWidthP(100);
+    SetHeightP(100);
+    SetPositioning(YGPositionTypeAbsolute);
+    auto m_template = (*m_manager)[const_hash("input-box")]->m_children[0]->clone();
+    add_child(m_template);
+    m_title = m_template->find<NodeText>("title");
+    m_field_name = m_template->find<NodeText>("field-name");
+    m_field_text = m_template->find<NodeTextInput>("field-text");
+    btn_ok = m_template->find<NodeButton>("btn-ok");
+    btn_ok->on_click = [&](Node*) { 
+        if (on_submit)
+            on_submit(this, m_field_text->m_text->m_text);
+    };
+    btn_cancel = m_template->find<NodeButton>("btn-cancel");
+    btn_cancel->on_click = [&](Node*) { destroy(); };
+    m_capture_children = false; // don't capture children events on mouse_capture
+}
+
+kEventResult NodeInputBox::handle_event(Event* e)
+{
+    Node::handle_event(e);
+    auto ke = (KeyEvent*)e;
+    switch (e->m_type)
+    {
+    case kEventType::KeyDown:
+        break;
+    case kEventType::KeyUp:
+        if (ke->m_key == kKey::KeyEnter && on_submit)
+            on_submit(this, m_field_text->m_text->m_text);
+        break;
+    case kEventType::KeyChar:
+        break;
+    default:
+        return kEventResult::Available;
+        break;
+    }
+    return kEventResult::Consumed;
+}
+
+void NodeInputBox::added(Node* parent)
+{
+    Node::added(parent);
+    mouse_capture();
+}