custom_tod.cpp

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/*
    Copyright (C) 2008 - 2025
    by Mark de Wever <koraq@xs4all.nl>
    Part of the Battle for Wesnoth Project https://www.wesnoth.org/
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY.
 
    See the COPYING file for more details.
*/
 
#define GETTEXT_DOMAIN "wesnoth-lib"
 
#include "gui/dialogs/editor/custom_tod.hpp"
 
#include "desktop/clipboard.hpp"
#include "display.hpp"
#include "filesystem.hpp"
#include "formatter.hpp"
#include "gettext.hpp"
#include "gui/auxiliary/field.hpp"
#include "gui/dialogs/file_dialog.hpp"
#include "gui/dialogs/message.hpp"
#include "gui/widgets/button.hpp"
#include "gui/widgets/image.hpp"
#include "gui/widgets/label.hpp"
#include "gui/widgets/slider.hpp"
#include "gui/widgets/text_box.hpp"
#include "sound.hpp"
 
#include <boost/filesystem.hpp>
#include <functional>
#include <utility>
 
namespace gui2::dialogs
{
 
static custom_tod::string_pair tod_getter_image(const time_of_day& tod)
{
    static std::string type = "image";
    return {type, tod.image};
}
 
static custom_tod::string_pair tod_getter_mask(const time_of_day& tod)
{
    static std::string type = "mask";
    return {type, tod.image_mask};
}
 
static custom_tod::string_pair tod_getter_sound(const time_of_day& tod)
{
    static std::string type = "sound";
    return {type, tod.sounds};
}
 
REGISTER_DIALOG(custom_tod)
 
custom_tod::custom_tod(const std::vector<time_of_day>& times, int current_time, const std::string& addon_id)
    : modal_dialog(window_id())
    , addon_id_(addon_id)
    , times_(times)
    , current_tod_(current_time)
    , color_field_r_(register_integer("tod_red",   true))
    , color_field_g_(register_integer("tod_green", true))
    , color_field_b_(register_integer("tod_blue",  true))
{
    if(times_.empty())
    {
        times_.push_back(time_of_day());
    }
}
 
void custom_tod::pre_show()
{
    static std::map<std::string, tod_attribute_getter> metadata_stuff {
        {"image", tod_getter_image},
        {"mask",  tod_getter_mask },
        {"sound", tod_getter_sound}
    };
 
    add_to_tab_order(find_widget<text_box>("tod_name", false, true));
    add_to_tab_order(find_widget<text_box>("tod_desc", false, true));
    add_to_tab_order(find_widget<text_box>("tod_id", false, true));
 
    for(const auto& data : metadata_stuff) {
        button& copy_w = find_widget<button>("copy_" + data.first);
 
        connect_signal_mouse_left_click(copy_w, std::bind(&custom_tod::copy_to_clipboard_callback, this, data));
    }
 
    connect_signal_mouse_left_click(
            find_widget<button>("browse_image"),
            std::bind(&custom_tod::select_file<tod_getter_image>, this, "data/core/images/misc"));
 
    connect_signal_mouse_left_click(
            find_widget<button>("browse_mask"),
            std::bind(&custom_tod::select_file<tod_getter_mask>,  this, "data/core/images"));
 
    connect_signal_mouse_left_click(
            find_widget<button>("browse_sound"),
            std::bind(&custom_tod::select_file<tod_getter_sound>, this, "data/core/sounds/ambient"));
 
    connect_signal_mouse_left_click(
            find_widget<button>("preview_image"),
            std::bind(&custom_tod::update_image, this, "image"));
 
    connect_signal_mouse_left_click(
            find_widget<button>("preview_mask"),
            std::bind(&custom_tod::update_image, this, "mask"));
 
    connect_signal_mouse_left_click(
            find_widget<button>("preview_sound"),
            std::bind(&custom_tod::play_sound, this));
 
    connect_signal_mouse_left_click(
            find_widget<button>("next_tod"),
            std::bind(&custom_tod::do_next_tod, this));
 
    connect_signal_mouse_left_click(
            find_widget<button>("previous_tod"),
            std::bind(&custom_tod::do_prev_tod, this));
 
    connect_signal_mouse_left_click(
            find_widget<button>("new"),
            std::bind(&custom_tod::do_new_tod, this));
 
    connect_signal_mouse_left_click(
            find_widget<button>("delete"),
            std::bind(&custom_tod::do_delete_tod, this));
 
    connect_signal_mouse_left_click(
            find_widget<button>("preview_color"),
            std::bind(&custom_tod::preview_schedule, this));
 
    connect_signal_notify_modified(
            find_widget<slider>("lawful_bonus"),
            std::bind(&custom_tod::update_lawful_bonus, this));
 
    connect_signal_notify_modified(
            *(color_field_r_->get_widget()),
            std::bind(&custom_tod::color_slider_callback, this, COLOR_R));
 
    connect_signal_notify_modified(
            *(color_field_g_->get_widget()),
            std::bind(&custom_tod::color_slider_callback, this, COLOR_G));
 
    connect_signal_notify_modified(
            *(color_field_b_->get_widget()),
            std::bind(&custom_tod::color_slider_callback, this, COLOR_B));
 
    update_selected_tod_info();
}
 
template<custom_tod::string_pair(*fptr)(const time_of_day&)>
void custom_tod::select_file(const std::string& default_dir)
{
    const string_pair& data = (*fptr)(get_selected_tod());
 
    std::string fn = filesystem::base_name(data.second);
    std::string dn = filesystem::directory_name(fn);
    if(dn.empty()) {
        dn = default_dir;
    }
 
    gui2::dialogs::file_dialog dlg;
 
    dlg.set_title(_("Choose File"))
       .set_ok_label(_("Select"))
       .set_path(dn)
       .set_read_only(true);
 
    // If the file is found inside Wesnoth's data, give its relative path
    // if not, ask user if they want to copy it into their addon.
    // If yes, copy and return correct relative path inside addon.
    // return empty otherwise.
    auto find_or_copy = [](const std::string& path, const std::string& addon_id, const std::string& type) {
        const std::string message
            = _("This file is outside Wesnoth’s data dirs. Do you wish to copy it into your add-on?");
        const auto optional_path = filesystem::to_asset_path(path, addon_id, type);
 
        if(optional_path.has_value()) {
            return optional_path.value();
        } else if (gui2::show_message(_("Confirm"), message, message::yes_no_buttons) == gui2::retval::OK) {
            boost::filesystem::path output_path = filesystem::get_current_editor_dir(addon_id);
            output_path /= type;
            output_path /= boost::filesystem::path(path).filename();
            filesystem::copy_file(path, output_path.string());
            return output_path.filename().string();
        } else {
            return std::string();
        }
    };
 
    if(dlg.show()) {
        if(data.first == "image") {
            times_[current_tod_].image = find_or_copy(dlg.path(), addon_id_, "images");
        } else if(data.first == "mask") {
            times_[current_tod_].image_mask = find_or_copy(dlg.path(), addon_id_, "images");
        } else if(data.first == "sound") {
            times_[current_tod_].sounds = find_or_copy(dlg.path(), addon_id_, "sounds");
        }
    }
 
    update_selected_tod_info();
}
 
void custom_tod::do_next_tod()
{
    current_tod_ = (current_tod_ + 1) % times_.size();
    update_selected_tod_info();
}
 
void custom_tod::do_prev_tod()
{
    current_tod_ = (current_tod_ ? current_tod_ : times_.size()) - 1;
    update_selected_tod_info();
}
 
void custom_tod::do_new_tod()
{
    times_.insert(times_.begin() + current_tod_, time_of_day());
    update_selected_tod_info();
}
 
void custom_tod::do_delete_tod()
{
    assert(times_.begin() + current_tod_ < times_.end());
 
    if(times_.size() == 1) {
        times_.emplace_back();
    } else {
        times_.erase(times_.begin() + current_tod_);
 
        if(times_.begin() + current_tod_ >= times_.end()) {
            current_tod_ = times_.size() - 1;
        }
    }
 
    update_selected_tod_info();
}
 
const time_of_day& custom_tod::get_selected_tod() const
{
    try {
        return times_.at(current_tod_);
    } catch(const std::out_of_range&) {
        throw std::string("Attempted to fetch a non-existent ToD!");
    }
}
 
void custom_tod::color_slider_callback(COLOR_TYPE type)
{
    time_of_day& current_tod = times_[current_tod_];
 
    switch(type)
    {
    case COLOR_R:
        current_tod.color.r = color_field_r_->get_widget_value();
        break;
    case COLOR_G :
        current_tod.color.g = color_field_g_->get_widget_value();
        break;
    case COLOR_B :
        current_tod.color.b = color_field_b_->get_widget_value();
        break;
    }
 
    update_tod_display();
}
 
void custom_tod::play_sound() {
    std::string sound_path = find_widget<text_box>("path_sound").get_value();
    sound::play_sound(sound_path, sound::SOUND_SOURCES);
}
 
void custom_tod::update_image(const std::string& id_stem) {
    std::string img_path = find_widget<text_box>("path_"+id_stem).get_value();
    find_widget<image>("current_tod_" + id_stem).set_label(img_path);
 
    invalidate_layout();
}
 
void custom_tod::update_tod_display()
{
    display* disp = display::get_singleton();
    assert(disp && "Display pointer is null!");
 
    // The display handles invaliding whatever tiles need invalidating.
    disp->update_tod(&get_selected_tod());
 
    invalidate_layout();
}
 
void custom_tod::update_lawful_bonus()
{
    times_[current_tod_].lawful_bonus = find_widget<slider>("lawful_bonus").get_value();
}
 
void custom_tod::update_selected_tod_info()
{
    const time_of_day& current_tod = get_selected_tod();
 
    find_widget<text_box>("tod_name").set_value(current_tod.name);
    find_widget<text_box>("tod_desc").set_value(current_tod.description);
    find_widget<text_box>("tod_id").set_value(current_tod.id);
 
    find_widget<text_box>("path_image").set_value(current_tod.image);
    find_widget<text_box>("path_mask").set_value(current_tod.image_mask);
    find_widget<text_box>("path_sound").set_value(current_tod.sounds);
 
    find_widget<image>("current_tod_image").set_image(current_tod.image);
    find_widget<image>("current_tod_mask").set_image(current_tod.image_mask);
 
    find_widget<slider>("lawful_bonus").set_value(current_tod.lawful_bonus);
 
    color_field_r_->set_widget_value(current_tod.color.r);
    color_field_g_->set_widget_value(current_tod.color.g);
    color_field_b_->set_widget_value(current_tod.color.b);
 
    const std::string new_index_str = formatter() << (current_tod_ + 1) << "/" << times_.size();
    find_widget<label>("tod_number").set_label(new_index_str);
 
    update_tod_display();
}
 
void custom_tod::copy_to_clipboard_callback(const std::pair<std::string, tod_attribute_getter>& data)
{
    auto& [type, getter] = data;
    button& copy_w = find_widget<button>("copy_" + type);
    desktop::clipboard::copy_to_clipboard(getter(get_selected_tod()).second);
    copy_w.set_success(true);
}
 
/** Quickly preview the schedule changes and color */
void custom_tod::preview_schedule()
{
    update_map_and_schedule_(times_);
}
 
void custom_tod::update_schedule()
{
    /* Update times_ with values from the dialog */
    times_[current_tod_].name = find_widget<text_box>("tod_name").get_value();
    times_[current_tod_].description = find_widget<text_box>("tod_desc").get_value();
    times_[current_tod_].id = find_widget<text_box>("tod_id").get_value();
 
    times_[current_tod_].image = find_widget<text_box>("path_image").get_value();
    times_[current_tod_].image_mask = find_widget<text_box>("path_mask").get_value();
    times_[current_tod_].sounds = find_widget<text_box>("path_sound").get_value();
 
    times_[current_tod_].lawful_bonus = find_widget<slider>("lawful_bonus").get_value();
 
    times_[current_tod_].color.r = color_field_r_->get_widget_value();
    times_[current_tod_].color.g = color_field_g_->get_widget_value();
    times_[current_tod_].color.b = color_field_b_->get_widget_value();
}
 
const std::vector<time_of_day> custom_tod::get_schedule()
{
    update_schedule();
    return times_;
}
 
void custom_tod::register_callback(std::function<void(std::vector<time_of_day>)> update_func)
{
    update_map_and_schedule_ = std::move(update_func);
}
 
void custom_tod::post_show()
{
    update_tod_display();
}
 
} // namespace dialogs