1// Aseprite
2// Copyright (C) 2001-2015 David Capello
3//
4// This program is distributed under the terms of
5// the End-User License Agreement for Aseprite.
6
7#ifndef APP_FIND_WIDGET_H_INCLUDED
8#define APP_FIND_WIDGET_H_INCLUDED
9#pragma once
10
11#include "app/widget_not_found.h"
12#include "ui/widget.h"
13
14namespace app {
15
16 template<class T>
17 inline T* find_widget(ui::Widget* parent, const char* childId) {
18 T* child = parent->findChildT<T>(childId);
19 if (!child)
20 throw WidgetNotFound(childId);
21
22 return child;
23 }
24
25 class finder {
26 public:
27 finder(ui::Widget* parent) : m_parent(parent) {
28 }
29
30 finder& operator>>(const char* id) {
31 m_lastId = id;
32 return *this;
33 }
34
35 finder& operator>>(const std::string& id) {
36 m_lastId = id;
37 return *this;
38 }
39
40 template<typename T>
41 finder& operator>>(T*& child) {
42 child = app::find_widget<T>(m_parent, m_lastId.c_str());
43 return *this;
44 }
45
46 private:
47 ui::Widget* m_parent;
48 std::string m_lastId;
49 };
50
51} // namespace app
52
53#endif
54