MessageBox.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2024 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
//
 
#ifndef TGUI_MESSAGE_BOX_HPP
#define TGUI_MESSAGE_BOX_HPP
 
#include <TGUI/Widgets/Label.hpp>
#include <TGUI/Widgets/Button.hpp>
#include <TGUI/Widgets/ChildWindow.hpp>
#include <TGUI/Renderers/MessageBoxRenderer.hpp>
 
#undef MessageBox  // windows.h defines MessageBox when NOMB isn't defined before including windows.h
 
 
TGUI_MODULE_EXPORT namespace tgui
{
    class TGUI_API MessageBox : public ChildWindow
    {
    public:
 
        using Ptr = std::shared_ptr<MessageBox>; 
        using ConstPtr = std::shared_ptr<const MessageBox>; 
 
        static constexpr const char StaticWidgetType[] = "MessageBox"; 
 
        using Alignment TGUI_DEPRECATED("Use tgui::HorizontalAlignment instead") = HorizontalAlignment; // TGUI_NEXT: Remove this alias
 
        MessageBox(const char* typeName = StaticWidgetType, bool initRenderer = true);
 
        TGUI_NODISCARD static MessageBox::Ptr create(const String& title = "", const String& text = "", const std::vector<String>& buttons = {});
 
        MessageBox(const MessageBox& copy);
 
        MessageBox(MessageBox&& copy) noexcept;
 
        MessageBox& operator= (const MessageBox& right);
 
        MessageBox& operator= (MessageBox&& right) noexcept;
 
        TGUI_NODISCARD static MessageBox::Ptr copy(const MessageBox::ConstPtr& messageBox);
 
        TGUI_NODISCARD MessageBoxRenderer* getSharedRenderer() override;
        TGUI_NODISCARD const MessageBoxRenderer* getSharedRenderer() const override;
 
        TGUI_NODISCARD MessageBoxRenderer* getRenderer() override;
 
        void setSize(const Layout2d& size) override;
        using Widget::setSize;
 
        void setClientSize(const Layout2d& size) override;
 
        void setText(const String& text);
 
        TGUI_NODISCARD const String& getText() const;
 
        void addButton(const String& buttonCaption);
 
        void changeButtons(const std::vector<String>& buttonCaptions);
 
        TGUI_NODISCARD std::vector<String> getButtons() const;
 
        void setLabelAlignment(HorizontalAlignment labelAlignment);
 
        TGUI_NODISCARD HorizontalAlignment getLabelAlignment() const;
 
        void setButtonAlignment(HorizontalAlignment buttonAlignment);
 
        TGUI_NODISCARD HorizontalAlignment getButtonAlignment() const;
 
    protected:
 
        // Makes sure all widgets lie within the window and places them on the correct position.
        void rearrange();
 
        TGUI_NODISCARD Signal& getSignal(String signalName) override;
 
        void rendererChanged(const String& property) override;
 
        TGUI_NODISCARD std::unique_ptr<DataIO::Node> save(SavingRenderersMap& renderers) const override;
 
        void load(const std::unique_ptr<DataIO::Node>& node, const LoadingRenderersMap& renderers) override;
 
        void updateTextSize() override;
 
        // Makes a copy of the widget
        TGUI_NODISCARD Widget::Ptr clone() const override;
 
    private:
 
        // Figure out which widget is the label and which are the buttons after copying or loading
        void identifyLabelAndButtons();
 
        // Passes our onButtonPress signal handler to the onPress signal of a button
        void connectButtonPressSignal(std::size_t buttonIndex);
 
        void addButtonImpl(const String& caption);
 
    public:
 
        SignalString onButtonPress = {"ButtonPressed"}; 
 
    protected:
 
        String m_loadedThemeFile;
        String m_buttonClassName;
        bool m_autoSize = true;
        HorizontalAlignment m_labelAlignment = HorizontalAlignment::Left;
        HorizontalAlignment m_buttonAlignment = HorizontalAlignment::Center;
 
        std::vector<Button::Ptr> m_buttons;
 
        Label::Ptr m_label = Label::create();
    };
 
}
 
 
#endif // TGUI_MESSAGE_BOX_HPP