Wt examples  4.11.1
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ImagesWidget.C
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1/*
2 * Copyright (C) 2011 Emweb bv, Herent, Belgium
3 *
4 * See the LICENSE file for terms of use.
5 */
6
7#include "ImagesWidget.h"
8
9#include <Wt/WImage.h>
10#include <Wt/WAny.h>
11
12const int ImagesWidget::HURRAY = -1;
13
15{
16 for (int i = 0; i <= maxGuesses; ++i) {
17 std::string fname = "icons/hangman";
18 fname += std::to_string(i) + ".jpg";
19 auto theImage = addNew<Wt::WImage>(fname);
20 images_.push_back(theImage);
21
22 // Although not necessary, we can avoid flicker (on konqueror)
23 // by presetting the image size.
24 theImage->resize(256, 256);
25 theImage->hide();
26 }
27
28 auto hurray = addNew<Wt::WImage>("icons/hangmanhurray.jpg");
29 hurray->hide();
30 images_.push_back(hurray);
31
32 image_ = 0;
33 showImage(maxGuesses);
34}
35
37{
38 image(image_)->hide();
39 image_ = index;
40 image(image_)->show();
41}
42
43Wt::WImage *ImagesWidget::image(int index) const
44{
45 return index == HURRAY ? images_.back() : images_[index];
46}
Wt::WImage * image(int index) const
void showImage(int index)
static const int HURRAY
std::vector< Wt::WImage * > images_
ImagesWidget(int maxGuesses)