GUI_MessageBox.cpp

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/*
    This source file is part of Rigs of Rods
    Copyright 2005-2012 Pierre-Michel Ricordel
    Copyright 2007-2012 Thomas Fischer
    Copyright 2013-2020 Petr Ohlidal
 
    For more information, see http://www.rigsofrods.org/
 
    Rigs of Rods is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 3, as
    published by the Free Software Foundation.
 
    Rigs of Rods is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with Rigs of Rods. If not, see <http://www.gnu.org/licenses/>.
*/
 
 
#include "GUI_MessageBox.h"
 
#include "Application.h"
#include "Language.h"
#include "GameContext.h"
#include "GUIManager.h"
#include "ScriptEngine.h"
 
#include <imgui.h>
 
using namespace RoR;
using namespace GUI;
 
    // Setup functions
 
void MessageBoxDialog::Show(MessageBoxConfig const& cfg)
{
    m_is_visible = true;
    m_cfg = cfg;
 
    if (m_cfg.mbc_close_handle)
    {
        m_close_handle = m_cfg.mbc_close_handle;
    }
    else if (m_cfg.mbc_allow_close)
    {
        m_close_handle = &m_is_visible;
    }
    else
    {
        m_close_handle = nullptr;
    }
 
    std::stringstream ss;
    ss << "[RoR|MessageBox] Showing a message box\n<MessageBox title> " << cfg.mbc_title << "\n<MessageBox text> " << cfg.mbc_text << "'";
    for (MessageBoxButton const& button: cfg.mbc_buttons)
    {
        ss << "\n<MessageBox button> '" << button.mbb_caption << "' (MsgType: " << MsgTypeToString(button.mbb_mq_message) << ")";
    }
    LOG(ss.str());
}
 
void MessageBoxDialog::Show(const char* title, const char* text, bool allow_close, const char* button1_text, const char* button2_text)
{
    MessageBoxConfig conf;
    conf.mbc_title = title;
    conf.mbc_text = text;
    conf.mbc_allow_close = allow_close;
 
    if (button1_text)
    {
        MessageBoxButton button;
        button.mbb_caption = button1_text;
        button.mbb_script_number = 1; // Standard
        conf.mbc_buttons.push_back(button);
    }
 
    if (button2_text)
    {
        MessageBoxButton button;
        button.mbb_caption = button2_text;
        button.mbb_script_number = 2; // Standard
        conf.mbc_buttons.push_back(button);
    }
 
    this->Show(conf);
}
 
    // Draw funcions
 
void MessageBoxDialog::Draw()
{
    const bool was_visible = m_is_visible;
 
    // Draw window
    ImGui::SetNextWindowContentWidth(m_cfg.mbc_content_width); // Hard limit, actually
    ImGui::SetNextWindowPosCenter(ImGuiCond_Appearing); // Initial pos. only
    ImGui::Begin(m_cfg.mbc_title.c_str(), m_close_handle);
    ImGui::TextWrapped("%s", m_cfg.mbc_text.c_str());
 
    // Draw buttons
    for (MessageBoxButton const& button: m_cfg.mbc_buttons)
    {
        this->DrawButton(button);
    }
 
    // Draw "always ask"
    if (m_cfg.mbc_always_ask_conf)
    {
        ImGui::Separator();
        bool ask = m_cfg.mbc_always_ask_conf->getBool();
        if (ImGui::Checkbox(_LC("MessageBox", "Always ask"), &ask))
        {
            m_cfg.mbc_always_ask_conf->setVal(ask);
        }
    }
 
    // Finalize
    App::GetGuiManager()->RequestGuiCaptureKeyboard(ImGui::IsWindowHovered());
    ImGui::End();
    if (m_is_visible != was_visible)
    {
        TRIGGER_EVENT_ASYNC(SE_GENERIC_MESSAGEBOX_CLICK, 0); // Scripting
    }
}
 
void MessageBoxDialog::DrawButton(MessageBoxButton const& button)
{
    if (ImGui::Button(button.mbb_caption.c_str()))
    {
        ROR_ASSERT(button.mbb_script_number != 0); // Reserved value (close button)
 
        if (button.mbb_script_number > 0)
        {
            TRIGGER_EVENT_ASYNC(SE_GENERIC_MESSAGEBOX_CLICK, button.mbb_script_number); // Scripting
        }
 
        if (button.mbb_mq_message != MsgType::MSG_INVALID)
        {
            Message m(button.mbb_mq_message);
            m.description = button.mbb_mq_description;
            m.payload = button.mbb_mq_payload;
            App::GetGameContext()->PushMessage(m);
        }
 
        m_is_visible = false;
    }
}