/usr/include/Wt/WMessageBox is in libwt-dev 3.1.10-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | // This may look like C code, but it's really -*- C++ -*-
/*
* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#ifndef WMESSAGEBOX_
#define WMESSAGEBOX_
#include <Wt/WDialog>
#include <Wt/WSignalMapper>
namespace Wt {
class WContainerWidget;
class WImage;
class WPushButton;
class WText;
/*! \class WMessageBox Wt/WMessageBox Wt/WMessageBox
* \brief A standard dialog for confirmation or to get simple user input
*
* The message box shows a message in a dialog window, with a number
* of buttons. These buttons may be standard buttons, or customized.
*
* There are two distinct ways for using a %WMessageBox, which reflect
* the two ways of dealing with a WDialog box.
*
* \if cpp
* The easiest way is using the static show() method, which shows a
* message box, blocks the current thread, and returns the button that
* was pressed by the user. Since this uses the WDialog::exec(), it suffers
* from the same scalability issues.
* \endif
*
* The more elaborate way is by creating a WMessageBox, and connecting
* the buttonClicked signal to a method. This method then interpretes
* the result and deletes the message box.
*
* \if cpp
* Example code (using the exec() method):
* \code
* StandardButton
* result = WMessageBox::show("Confirm", "About to wreak havoc... Continue ?",
* Ok | Cancel);
* \endcode
* \endif
*
* This will show a message box that looks like this:
*
* <TABLE border="0" align="center"> <TR> <TD>
* \image html WMessageBox-default-1.png "Example of a WMessageBox (default)"
* </TD> <TD>
* \image html WMessageBox-polished-1.png "Example of a WMessageBox (polished)"
* </TD> </TR> </TABLE>
*
* <h3>i18n</h3>
*
* The strings used in the WMessageBox buttons can be translated by overriding
* the default values for the following localization keys:
* - Wt.WMessageBox.Abort: Abort
* - Wt.WMessageBox.Cancel: Cancel
* - Wt.WMessageBox.Ignore: Ignore
* - Wt.WMessageBox.No: No
* - Wt.WMessageBox.NoToAll: No to All
* - Wt.WMessageBox.Ok: Ok
* - Wt.WMessageBox.Retry: Retry
* - Wt.WMessageBox.Yes: Yes
* - Wt.WMessageBox.YesToAll: Yes to All
*
* <h3>CSS</h3>
*
* A WMessageBox can be styled using the <tt>Wt-dialog</tt> and
* <tt>Wt-outset</tt> style classes from it's superclass WDialog.
* The messagebox' buttons can be styled using <tt>Wt-msgbox-buttons</tt>
* style class.
*/
class WT_API WMessageBox : public WDialog
{
public:
using WDialog::show;
/*! \brief Creates an empty message box.
*/
WMessageBox();
/*! \brief Creates a message box with given caption, text, icon, and
* buttons.
*/
WMessageBox(const WString& caption, const WString& text, Icon icon,
WFlags<StandardButton> buttons);
/*! \brief Sets the text for the message box.
*/
void setText(const WString& text);
/*! \brief Returns the message box text.
*/
const WString& text() const;
/*! \brief Returns the text widget.
*
* This may be useful to customize the style or layout of the displayed
* text.
*/
WText *textWidget() const { return text_; }
/*! \brief Sets the icon.
*/
void setIcon(Icon icon);
/*! \brief Returns the icon.
*/
Icon icon() const { return icon_; }
/* !\brief Returns the icon image.
*
* This may be useful to customize the style or layout of the displayed
* icon. If icon() == NoIcon, then this method returns \c 0.
*/
WImage *iconImage() const { return iconImage_; }
/*! \brief Add a custom button with given text.
*
* When the button is clicked, the associated result will be returned.
*/
WPushButton *addButton(const WString& text, StandardButton result);
/*! \brief Sets standard buttons for the message box.
*/
void setButtons(WFlags<StandardButton> buttons);
/*! \brief Returns the standard buttons.
*/
WFlags<StandardButton> buttons() const { return buttons_; }
/*! \brief Returns the button widget for the given standard button.
*
* This may be useful to customize the style or layout of the button.
*/
WPushButton *button(StandardButton b);
/*! \brief Returns the result of this message box.
*
* This value is only defined after a button has been clicked.
*/
StandardButton buttonResult() { return result_; }
/*! \brief Convenience method to show a message box, blocking the current
* thread.
*
* Show a message box, blocking the current thread until the message box
* is closed, and return the result.
*/
static StandardButton show(const WString& caption,
const WString& text,
WFlags<StandardButton> buttons,
const WAnimation& animation = WAnimation());
/*! \brief %Signal emitted when a button is clicked.
*/
Signal<StandardButton>& buttonClicked() { return buttonClicked_; }
private:
WFlags<StandardButton> buttons_;
Icon icon_;
StandardButton result_;
Signal<StandardButton> buttonClicked_;
WContainerWidget *buttonContainer_;
WText *text_;
WImage *iconImage_;
WSignalMapper<StandardButton,NoClass> *buttonMapper_;
void create();
void onButtonClick(StandardButton b);
void mappedButtonClick(StandardButton b);
static StandardButton order_[];
static const char *buttonText_[];
static const char *iconURI[];
};
}
#endif // WMESSAGEBOX_
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