Wt examples 3.3.12
DragExample.C
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1#include "DragExample.h"
2#include "Character.h"
3#include <Wt/WEnvironment>
4#include <Wt/WImage>
5#include <Wt/WApplication>
6
7using namespace Wt;
8
13
19WImage *createDragImage(const char *url, const char *smallurl,
20 const char *mimeType,
22{
23 WImage *result = new WImage(url, p);
24 WImage *dragImage = new WImage(smallurl, p);
25 dragImage->setMargin(-15, Left | Top);
26
27 /*
28 * Set the image to be draggable, showing the other image (dragImage)
29 * to be used as the widget that is visually dragged.
30 */
31 result->setDraggable(mimeType, dragImage, true);
32
33 return result;
34}
35
37 WContainerWidget(parent)
38{
39 new WText("<p>Help these people with their decision by dragging one of "
40 "the pills.</p>", this);
41
42 if (!wApp->environment().javaScript()) {
43 new WText("<i>This examples requires that javascript support is "
44 "enabled.</i>", this);
45 }
46
47 WContainerWidget *pills = new WContainerWidget(this);
49
50 createDragImage("icons/blue-pill.jpg",
51 "icons/blue-pill-small.png",
52 "blue-pill", pills);
53 createDragImage("icons/red-pill.jpg",
54 "icons/red-pill-small.png",
55 "red-pill", pills);
56
57 WContainerWidget *dropSites = new WContainerWidget(this);
58
59 new Character("Neo", dropSites);
60 new Character("Morpheus", dropSites);
61 new Character("Trinity", dropSites);
62
63}
64
WImage * createDragImage(const char *url, const char *smallurl, const char *mimeType, WContainerWidget *p)
Create an image which can be dragged.
Definition DragExample.C:19
A Matrix character that takes red and/or blue pills.
Definition Character.h:25
DragExample(Wt::WContainerWidget *parent)
Definition DragExample.C:36
void setContentAlignment(WFlags< AlignmentFlag > contentAlignment)
void setDraggable(const std::string &mimeType, WWidget *dragWidget=0, bool isDragWidgetOnly=false, WObject *sourceWidget=0)
virtual void setMargin(const WLength &margin, WFlags< Side > sides=All)
AlignCenter

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