converse_gump.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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; 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef NUVIE_CORE_CONVERSE_GUMP_H
#define NUVIE_CORE_CONVERSE_GUMP_H

#include "ultima/nuvie/misc/call_back.h"
#include "ultima/nuvie/gui/widgets/gui_widget.h"
#include "ultima/shared/std/containers.h"
#include "ultima/shared/std/string.h"

namespace Ultima {
namespace Nuvie {

using Std::list;


class Configuration;
class Font;
class MsgScroll;
class Actor;

class ConverseGump: public MsgScroll {
    Std::list<MsgText> conv_keywords;
    Std::list<MsgText> permitted_input_keywords;

    Std::list<MsgText> *keyword_list;

    unsigned char *npc_portrait;
    unsigned char *avatar_portrait;

    bool found_break_char;
    bool solid_bg;
    bool force_solid_bg;
    uint8 converse_bg_color;

    uint16 cursor_position;

    uint8 portrait_width;
    uint8 portrait_height;
    uint8 frame_w;
    uint8 frame_h;
    uint16 min_w;

    nuvie_game_t game_type;

public:

    ConverseGump(const Configuration *cfg, Font *f, Screen *s);
    ~ConverseGump() override;

    void set_actor_portrait(Actor *a);
    unsigned char *create_framed_portrait(Actor *a);
    bool parse_token(MsgText *token) override;
    Std::string get_token_string_at_pos(uint16 x, uint16 y) override;
    void display_string(const Std::string &s, Font *f, bool include_on_map_window) override;
    void set_talking(bool state, Actor *actor = nullptr) override;
    void set_font(uint8 font_type) override {}
//bool get_solid_bg() { return solid_bg; }
    void set_solid_bg(bool val) {
        solid_bg = val;
    }

    void Display(bool full_redraw) override;

    GUI_status KeyDown(const Common::KeyState &key) override;
    GUI_status MouseUp(int x, int y, Shared::MouseButton button) override;

    GUI_status MouseDown(int x, int y, Shared::MouseButton button) override {
        return GUI_YUM;
    }
    GUI_status MouseMotion(int x, int y, uint8 state) override {
        return GUI_YUM;
    }
    GUI_status MouseEnter(uint8 state) override {
        return GUI_YUM;
    }
    GUI_status MouseLeave(uint8 state) override {
        return GUI_YUM;
    }
    GUI_status MouseClick(int x, int y, Shared::MouseButton button) override {
        return GUI_YUM;
    }
    GUI_status MouseDouble(int x, int y, Shared::MouseButton button) override {
        return GUI_YUM;
    }
    GUI_status MouseDelayed(int x, int y, Shared::MouseButton button) override {
        return GUI_YUM;
    }
    GUI_status MouseHeld(int x, int y, Shared::MouseButton button) override {
        return GUI_YUM;
    }

    void set_found_break_char(bool val) {
        found_break_char = val;
    }

    bool input_buf_add_char(char c) override;
    bool input_buf_remove_char() override;

    bool is_converse_finished() override {
        return (is_holding_buffer_empty() && msg_buf.size() == 1 && msg_buf.back()->total_length == 0);
    }

    void drawCursor(uint16 x, uint16 y) override;

protected:
    Std::string strip_whitespace_after_break(Std::string s);
    void add_keyword(Std::string keyword);

    void set_permitted_input(const char *allowed) override;
    void clear_permitted_input() override;

    bool cursor_at_input_section() const {
        return (keyword_list && cursor_position == keyword_list->size());
    }
    void cursor_reset() {
        cursor_position = 0;
    }
    void cursor_move_to_input() {
        cursor_position = keyword_list ? keyword_list->size() : 0;
    }

    void input_add_string(Std::string token_str);

    Std::string get_token_at_cursor();

    bool is_permanent_keyword(const Std::string &keyword);
    void parse_fm_towns_token(MsgText *token);

private:
    unsigned char *get_portrait_data(Actor *a);
};

} // End of namespace Nuvie
} // End of namespace Ultima

#endif