Make various instance stuff to take references to other instance objs

[lsnes.git] / src / platform / wxwidgets / editor-movie.cpp

#include "core/framebuffer.hpp"
#include "core/instance.hpp"
#include "core/moviedata.hpp"
#include "core/dispatch.hpp"
#include "core/window.hpp"

#include "interface/controller.hpp"
#include "core/mainloop.hpp"
#include "core/mbranch.hpp"
#include "core/project.hpp"
#include "platform/wxwidgets/loadsave.hpp"
#include "platform/wxwidgets/platform.hpp"
#include "platform/wxwidgets/scrollbar.hpp"
#include "platform/wxwidgets/textrender.hpp"
#include "library/minmax.hpp"
#include "library/string.hpp"
#include "library/utf8.hpp"

#include <algorithm>
#include <cstring>
#include <limits>
#include <wx/wx.h>
#include <wx/event.h>
#include <wx/control.h>
#include <wx/combobox.h>
#include <wx/clipbrd.h>

extern "C"
{
#ifndef UINT64_C
#define UINT64_C(val) val##ULL
#endif
#include <libswscale/swscale.h>
}

enum
{
        wxID_TOGGLE = wxID_HIGHEST + 1,
        wxID_CHANGE,
        wxID_SWEEP,
        wxID_APPEND_FRAME,
        wxID_CHANGE_LINECOUNT,
        wxID_INSERT_AFTER,
        wxID_INSERT_AFTER_MULTIPLE,
        wxID_DELETE_FRAME,
        wxID_DELETE_SUBFRAME,
        wxID_POSITION_LOCK,
        wxID_RUN_TO_FRAME,
        wxID_APPEND_FRAMES,
        wxID_TRUNCATE,
        wxID_SCROLL_FRAME,
        wxID_SCROLL_CURRENT_FRAME,
        wxID_COPY_FRAMES,
        wxID_CUT_FRAMES,
        wxID_PASTE_FRAMES,
        wxID_PASTE_APPEND,
        wxID_INSERT_CONTROLLER_AFTER,
        wxID_DELETE_CONTROLLER_SUBFRAMES,
        wxID_MBRANCH_NEW,
        wxID_MBRANCH_IMPORT,
        wxID_MBRANCH_EXPORT,
        wxID_MBRANCH_RENAME,
        wxID_MBRANCH_DELETE,
        wxID_MBRANCH_FIRST,
        wxID_MBRANCH_LAST = wxID_MBRANCH_FIRST + 1024
};

void update_movie_state();

namespace
{
        unsigned lines_to_display = 28;
        uint64_t divs[] = {1000000, 100000, 10000, 1000, 100, 10, 1};
        uint64_t divsl[] = {1000000, 100000, 10000, 1000, 100, 10, 0};
        const unsigned divcnt = sizeof(divs)/sizeof(divs[0]);

        class exp_imp_type
        {
        public:
                typedef std::pair<std::string, int> returntype;
                exp_imp_type()
                {
                }
                filedialog_input_params input(bool save) const
                {
                        filedialog_input_params ip;
                        ip.types.push_back(filedialog_type_entry("Input tracks (text)", "*.lstt", "lstt"));
                        ip.types.push_back(filedialog_type_entry("Input tracks (binary)", "*.lstb", "lstb"));
                        if(!save)
                                ip.types.push_back(filedialog_type_entry("Movie files", "*.lsmv", "lsmv"));
                        ip.default_type = 1;
                        return ip;
                }
                std::pair<std::string, int> output(const filedialog_output_params& p, bool save) const
                {
                        int m;
                        switch(p.typechoice) {
                        case 0:         m = MBRANCH_IMPORT_TEXT; break;
                        case 1:         m = MBRANCH_IMPORT_BINARY; break;
                        case 2:         m = MBRANCH_IMPORT_MOVIE; break;
                        };
                        return std::make_pair(p.path, m);
                }
        private:
        };
}

struct control_info
{
        unsigned position_left;
        unsigned reserved;      //Must be at least 6 for axes.
        unsigned index;         //Index in poll vector.
        int type;               //-2 => Port, -1 => Fixed, 0 => Button, 1 => axis.
        char32_t ch;
        std::u32string title;
        unsigned port;
        unsigned controller;
        port_controller_button::_type axistype;
        int rmin;
        int rmax;
        static control_info portinfo(unsigned& p, unsigned port, unsigned controller);
        static control_info fixedinfo(unsigned& p, const std::u32string& str);
        static control_info buttoninfo(unsigned& p, char32_t character, const std::u32string& title, unsigned idx,
                unsigned port, unsigned controller);
        static control_info axisinfo(unsigned& p, const std::u32string& title, unsigned idx,
                unsigned port, unsigned controller, port_controller_button::_type _axistype, int _rmin, int _rmax);
};

control_info control_info::portinfo(unsigned& p, unsigned port, unsigned controller)
{
        control_info i;
        i.position_left = p;
        i.reserved = (stringfmt() << port << "-" << controller).str32().length();
        p += i.reserved;
        i.index = 0;
        i.type = -2;
        i.ch = 0;
        i.title = U"";
        i.port = port;
        i.controller = controller;
        return i;
}

control_info control_info::fixedinfo(unsigned& p, const std::u32string& str)
{
        control_info i;
        i.position_left = p;
        i.reserved = str.length();
        p += i.reserved;
        i.index = 0;
        i.type = -1;
        i.ch = 0;
        i.title = str;
        i.port = 0;
        i.controller = 0;
        return i;
}

control_info control_info::buttoninfo(unsigned& p, char32_t character, const std::u32string& title, unsigned idx,
        unsigned port, unsigned controller)
{
        control_info i;
        i.position_left = p;
        i.reserved = 1;
        p += i.reserved;
        i.index = idx;
        i.type = 0;
        i.ch = character;
        i.title = title;
        i.port = port;
        i.controller = controller;
        return i;
}

control_info control_info::axisinfo(unsigned& p, const std::u32string& title, unsigned idx,
        unsigned port, unsigned controller, port_controller_button::_type _axistype, int _rmin, int _rmax)
{
        control_info i;
        i.position_left = p;
        i.reserved = title.length();
        if(i.reserved < 6)
                i.reserved = 6;
        p += i.reserved;
        i.index = idx;
        i.type = 1;
        i.ch = 0;
        i.title = title;
        i.port = port;
        i.controller = controller;
        i.axistype = _axistype;
        i.rmin = _rmin;
        i.rmax = _rmax;
        return i;
}

class frame_controls
{
public:
        frame_controls();
        void set_types(controller_frame& f);
        short read_index(controller_frame& f, unsigned idx);
        void write_index(controller_frame& f, unsigned idx, short value);
        uint32_t read_pollcount(pollcounter_vector& v, unsigned idx);
        const std::list<control_info>& get_controlinfo() { return controlinfo; }
        std::u32string line1() { return _line1; }
        std::u32string line2() { return _line2; }
        size_t width() { return _width; }
private:
        size_t _width;
        std::u32string _line1;
        std::u32string _line2;
        void format_lines();
        void add_port(unsigned& c, unsigned pid, const port_type& p, const port_type_set& pts);
        std::list<control_info> controlinfo;
};


frame_controls::frame_controls()
{
        _width = 0;
}

void frame_controls::set_types(controller_frame& f)
{
        unsigned nextp = 0;
        controlinfo.clear();
        const port_type_set& pts = f.porttypes();
        unsigned pcnt = pts.ports();
        for(unsigned i = 0; i < pcnt; i++)
                add_port(nextp, i, pts.port_type(i), pts);
        format_lines();
}

void frame_controls::add_port(unsigned& c, unsigned pid, const port_type& p, const port_type_set& pts)
{
        const port_controller_set& pci = *(p.controller_info);
        for(unsigned i = 0; i < pci.controllers.size(); i++) {
                const port_controller& pc = pci.controllers[i];
                if(pid || i)
                        controlinfo.push_back(control_info::fixedinfo(c, U"\u2502"));
                unsigned nextp = c;
                controlinfo.push_back(control_info::portinfo(nextp, pid, i + 1));
                bool last_multibyte = false;
                for(unsigned j = 0; j < pc.buttons.size(); j++) {
                        const port_controller_button& pcb = pc.buttons[j];
                        unsigned idx = pts.triple_to_index(pid, i, j);
                        if(idx == 0xFFFFFFFFUL)
                                continue;
                        if(pcb.type == port_controller_button::TYPE_BUTTON) {
                                if(last_multibyte)
                                        c++;
                                controlinfo.push_back(control_info::buttoninfo(c, pcb.symbol, utf8::to32(pcb.name),
                                        idx, pid, i));
                                last_multibyte = false;
                        } else if(pcb.type == port_controller_button::TYPE_AXIS ||
                                pcb.type == port_controller_button::TYPE_RAXIS ||
                                pcb.type == port_controller_button::TYPE_TAXIS ||
                                pcb.type == port_controller_button::TYPE_LIGHTGUN) {
                                if(j)
                                        c++;
                                controlinfo.push_back(control_info::axisinfo(c, utf8::to32(pcb.name), idx, pid, i,
                                        pcb.type, pcb.rmin, pcb.rmax));
                                last_multibyte = true;
                        }
                }
                if(nextp > c)
                        c = nextp;
        }
}

short frame_controls::read_index(controller_frame& f, unsigned idx)
{
        if(idx == 0)
                return f.sync() ? 1 : 0;
        return f.axis2(idx);
}

void frame_controls::write_index(controller_frame& f, unsigned idx, short value)
{
        if(idx == 0)
                return f.sync(value);
        return f.axis2(idx, value);
}

uint32_t frame_controls::read_pollcount(pollcounter_vector& v, unsigned idx)
{
        if(idx == 0)
                return max(v.max_polls(), (uint32_t)1);
        for(auto i : controlinfo)
                if(idx == i.index && i.port == 0 && i.controller == 0)
                        return max(v.get_polls(idx), (uint32_t)(v.get_framepflag() ? 1 : 0));
        return v.get_polls(idx);
}

void frame_controls::format_lines()
{
        _width = 0;
        for(auto i : controlinfo) {
                if(i.position_left + i.reserved > _width)
                        _width = i.position_left + i.reserved;
        }
        std::u32string cp1;
        std::u32string cp2;
        uint32_t off = divcnt + 1;
        cp1.resize(_width + divcnt + 1);
        cp2.resize(_width + divcnt + 1);
        for(unsigned i = 0; i < cp1.size(); i++)
                cp1[i] = cp2[i] = 32;
        cp1[divcnt] = 0x2502;
        cp2[divcnt] = 0x2502;
        //Line1
        //For every port-controller, find the least coordinate.
        for(auto i : controlinfo) {
                if(i.type == -1) {
                        auto _title = i.title;
                        std::copy(_title.begin(), _title.end(), &cp1[i.position_left + off]);
                } else if(i.type == -2) {
                        auto _title = (stringfmt() << i.port << "-" << i.controller).str32();
                        std::copy(_title.begin(), _title.end(), &cp1[i.position_left + off]);
                }
        }
        //Line2
        for(auto i : controlinfo) {
                auto _title = i.title;
                if(i.type == -1 || i.type == 1)
                        std::copy(_title.begin(), _title.end(), &cp2[i.position_left + off]);
                if(i.type == 0)
                        cp2[i.position_left + off] = i.ch;
        }
        _line1 = cp1;
        _line2 = cp2;
}

namespace
{
        //TODO: Use real clipboard.
        std::string clipboard;

        void copy_to_clipboard(const std::string& text)
        {
                clipboard = text;
        }

        bool clipboard_has_text()
        {
                return (clipboard.length() > 0);
        }

        void clear_clipboard()
        {
                clipboard = "";
        }

        std::string copy_from_clipboard()
        {
                return clipboard;
        }

        std::string encode_line(controller_frame& f)
        {
                char buffer[512];
                f.serialize(buffer);
                return buffer;
        }

        std::string encode_line(frame_controls& info, controller_frame& f, unsigned port, unsigned controller)
        {
                std::ostringstream x;
                bool last_axis = false;
                bool first = true;
                for(auto i : info.get_controlinfo()) {
                        if(i.port != port)
                                continue;
                        if(i.controller != controller)
                                continue;
                        switch(i.type) {
                        case 0:         //Button.
                                if(last_axis)
                                        x << " ";
                                if(info.read_index(f, i.index)) {
                                        char32_t tmp1[2];
                                        tmp1[0] = i.ch;
                                        tmp1[1] = 0;
                                        x << utf8::to8(std::u32string(tmp1));
                                } else
                                        x << "-";
                                last_axis = false;
                                first = false;
                                break;
                        case 1:         //Axis.
                                if(!first)
                                        x << " ";
                                x << info.read_index(f, i.index);
                                first = false;
                                last_axis = true;
                                break;
                        }
                }
                return x.str();
        }

        short read_short(const std::u32string& s, size_t& r)
        {
                unsigned short _res = 0;
                bool negative = false;
                if(r < s.length() && s[r] == '-') {
                        negative = true;
                        r++;
                }
                while(r < s.length() && s[r] >= 48 && s[r] <= 57) {
                        _res = _res * 10 + (s[r] - 48);
                        r++;
                }
                return negative ? -_res : _res;
        }

        void decode_line(frame_controls& info, controller_frame& f, std::string line, unsigned port,
                unsigned controller)
        {
                std::u32string _line = utf8::to32(line);
                bool last_axis = false;
                bool first = true;
                short y;
                char32_t y2;
                size_t ridx = 0;
                for(auto i : info.get_controlinfo()) {
                        if(i.port != port)
                                continue;
                        if(i.controller != controller)
                                continue;
                        switch(i.type) {
                        case 0:         //Button.
                                if(last_axis) {
                                        ridx++;
                                        while(ridx < _line.length() && (_line[ridx] == 9 || _line[ridx] == 10 ||
                                                _line[ridx] == 13 || _line[ridx] == 32))
                                                ridx++;
                                }
                                y2 = (ridx < _line.length()) ? _line[ridx++] : 0;
                                if(y2 == U'-' || y2 == 0)
                                        info.write_index(f, i.index, 0);
                                else
                                        info.write_index(f, i.index, 1);
                                last_axis = false;
                                first = false;
                                break;
                        case 1:         //Axis.
                                if(!first)
                                        ridx++;
                                while(ridx < _line.length() && (_line[ridx] == 9 || _line[ridx] == 10 ||
                                        _line[ridx] == 13 || _line[ridx] == 32))
                                        ridx++;
                                y = read_short(_line, ridx);
                                info.write_index(f, i.index, y);
                                first = false;
                                last_axis = true;
                                break;
                        }
                }
        }

        std::string encode_lines(controller_frame_vector& fv, uint64_t start, uint64_t end)
        {
                std::ostringstream x;
                x << "lsnes-moviedata-whole" << std::endl;
                for(uint64_t i = start; i < end; i++) {
                        controller_frame tmp = fv[i];
                        x << encode_line(tmp) << std::endl;
                }
                return x.str();
        }

        std::string encode_lines(frame_controls& info, controller_frame_vector& fv, uint64_t start, uint64_t end,
                unsigned port, unsigned controller)
        {
                std::ostringstream x;
                x << "lsnes-moviedata-controller" << std::endl;
                for(uint64_t i = start; i < end; i++) {
                        controller_frame tmp = fv[i];
                        x << encode_line(info, tmp, port, controller) << std::endl;
                }
                return x.str();
        }

        int clipboard_get_data_type()
        {
                if(!clipboard_has_text())
                        return -1;
                std::string y = copy_from_clipboard();
                std::istringstream x(y);
                std::string hdr;
                std::getline(x, hdr);
                if(hdr == "lsnes-moviedata-whole")
                        return 1;
                if(hdr == "lsnes-moviedata-controller")
                        return 0;
                return -1;
        }

        std::set<unsigned> controller_index_set(frame_controls& info, unsigned port, unsigned controller)
        {
                std::set<unsigned> r;
                for(auto i : info.get_controlinfo()) {
                        if(i.port == port && i.controller == controller && (i.type == 0 || i.type == 1))
                                r.insert(i.index);
                }
                return r;
        }

        void move_index_set(frame_controls& info, controller_frame_vector& fv, uint64_t src, uint64_t dst,
                uint64_t len, const std::set<unsigned>& indices)
        {
                if(src == dst)
                        return;
                controller_frame_vector::notify_freeze freeze(fv);
                if(src > dst) {
                        //Copy forwards.
                        uint64_t shift = src - dst;
                        for(uint64_t i = dst; i < dst + len; i++) {
                                controller_frame _src = fv[i + shift];
                                controller_frame _dst = fv[i];
                                for(auto j : indices)
                                        info.write_index(_dst, j, info.read_index(_src, j));
                        }
                } else {
                        //Copy backwards.
                        uint64_t shift = dst - src;
                        for(uint64_t i = src + len - 1; i >= src && i < src + len; i--) {
                                controller_frame _src = fv[i];
                                controller_frame _dst = fv[i + shift];
                                for(auto j : indices)
                                        info.write_index(_dst, j, info.read_index(_src, j));
                        }
                }
        }

        void zero_index_set(frame_controls& info, controller_frame_vector& fv, uint64_t dst, uint64_t len,
                const std::set<unsigned>& indices)
        {
                controller_frame_vector::notify_freeze freeze(fv);
                for(uint64_t i = dst; i < dst + len; i++) {
                        controller_frame _dst = fv[i];
                        for(auto j : indices)
                                info.write_index(_dst, j, 0);
                }
        }

        control_info find_paired(control_info ci, const std::list<control_info>& info)
        {
                if(ci.axistype == port_controller_button::TYPE_TAXIS)
                        return ci;
                bool even = true;
                bool next_flag = false;
                control_info previous;
                for(auto i : info) {
                        if(i.port != ci.port || i.controller != ci.controller)
                                continue;
                        if(i.axistype != port_controller_button::TYPE_AXIS &&
                                i.axistype != port_controller_button::TYPE_RAXIS &&
                                i.axistype != port_controller_button::TYPE_LIGHTGUN)
                                continue;
                        if(next_flag)
                                return i;
                        if(i.index == ci.index) {
                                //This and...
                                if(even)
                                        next_flag = true; //Next.
                                else
                                        return previous; //Pevious.
                        }
                        previous = i;
                        even = !even;
                }
                //Huh, no pair.
                return ci;
        }

        int32_t value_to_coordinate(int32_t rmin, int32_t rmax, int32_t val, int32_t dim)
        {
                //Scale the values to be zero-based.
                val = min(max(val, rmin), rmax);
                rmax -= rmin;
                val -= rmin;
                int32_t center = rmax / 2;
                int32_t cc = (dim - 1) / 2;
                if(val == center)
                        return cc;
                if(val < center) {
                        //0 => 0, center => cc.
                        return (val * (int64_t)cc + (center / 2)) / center;
                }
                if(val > center) {
                        //center => cc, rmax => dim - 1.
                        val -= center;
                        rmax -= center;
                        int32_t cc2 = (dim - 1 - cc);
                        return (val * (int64_t)cc2 + (rmax / 2)) / rmax + cc;
                }
                return 0; //NOTREACHED.
        }

        int32_t coordinate_to_value(int32_t rmin, int32_t rmax, int32_t val, int32_t dim)
        {
                if(dim == rmin - rmax + 1) {
                        return val + rmin;
                }
                val = min(max(val, (int32_t)0), dim - 1);
                int32_t center = (rmax + rmin) / 2;
                int32_t cc = (dim - 1) / 2;
                if(val == cc)
                        return center;
                if(val < cc) {
                        //0 => rmin, cc => center.
                        return ((center - rmin) * (int64_t)val + cc / 2) / cc + rmin;
                }
                if(val > cc) {
                        //cc => center, dim - 1 => rmax.
                        uint32_t cc2 = (dim - 1 - cc);
                        return ((rmax - center) * (int64_t)(val - cc) + cc2 / 2) / cc2 + center;
                }
                return 0; //NOTREACHED.
        }

        std::string windowname(control_info X, control_info Y)
        {
                if(X.index == Y.index)
                        return (stringfmt() << utf8::to8(X.title)).str();
                else
                        return (stringfmt() << utf8::to8(X.title) << "/" <<  utf8::to8(Y.title)).str();
        }

        class window_prompt : public wxDialog
        {
        public:
                window_prompt(wxWindow* parent, uint8_t* _bitmap, unsigned _width,
                        unsigned _height, control_info X, control_info Y, unsigned posX, unsigned posY)
                        : wxDialog(parent, wxID_ANY, towxstring(windowname(X, Y)), wxPoint(posX, posY))
                {
                        dirty = false;
                        bitmap = _bitmap;
                        width = _width;
                        height = _height;
                        cX = X;
                        cY = Y;
                        oneaxis = false;
                        if(X.index == Y.index) {
                                //One-axis never has a bitmap.
                                bitmap = NULL;
                                height = 32;
                                oneaxis = true;
                        }
                        wxSizer* s = new wxBoxSizer(wxVERTICAL);
                        SetSizer(s);
                        s->Add(panel = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxSize(width, height)), 0,
                                wxGROW);
                        panel->Connect(wxEVT_PAINT, wxPaintEventHandler(window_prompt::on_paint), NULL, this);
                        panel->Connect(wxEVT_ERASE_BACKGROUND, wxEraseEventHandler(window_prompt::on_erase), NULL,
                                this);
                        Connect(wxEVT_CLOSE_WINDOW, wxCloseEventHandler(window_prompt::on_wclose));
                        panel->Connect(wxEVT_LEFT_DOWN, wxMouseEventHandler(window_prompt::on_mouse), NULL, this);
                        panel->Connect(wxEVT_MOTION, wxMouseEventHandler(window_prompt::on_mouse), NULL, this);
                        Fit();
                }
                void on_wclose(wxCloseEvent& e)
                {
                        EndModal(wxID_CANCEL);
                }
                void on_erase(wxEraseEvent& e)
                {
                        //Blank.
                }
                void on_paint(wxPaintEvent& e)
                {
                        wxPaintDC dc(panel);
                        if(bitmap) {
                                wxBitmap bmp(wxImage(width, height, bitmap, true));
                                dc.DrawBitmap(bmp, 0, 0, false);
                        } else {
                                dc.SetBackground(*wxWHITE_BRUSH);
                                dc.Clear();
                                auto xval = value_to_coordinate(cX.rmin, cX.rmax, 0, width);
                                auto yval = value_to_coordinate(cY.rmin, cY.rmax, 0, height);
                                dc.SetPen(*wxBLACK_PEN);
                                if(cX.rmin < 0 && cX.rmax > 0)
                                        dc.DrawLine(xval, 0, xval, height);
                                if(!oneaxis && cY.rmin < 0 && cY.rmax > 0)
                                        dc.DrawLine(0, yval, width, yval);
                        }
                        dc.SetPen(*wxRED_PEN);
                        dc.DrawLine(mouseX, 0, mouseX, height);
                        if(!oneaxis)
                                dc.DrawLine(0, mouseY, width, mouseY);
                        dirty = false;
                }
                void on_mouse(wxMouseEvent& e)
                {
                        if(e.LeftDown()) {
                                result.first = coordinate_to_value(cX.rmin, cX.rmax, e.GetX(), width);
                                if(!oneaxis)
                                        result.second = coordinate_to_value(cY.rmin, cY.rmax, e.GetY(), height);
                                else
                                        result.second = 0;
                                EndModal(wxID_OK);
                        }
                        mouseX = e.GetX();
                        mouseY = e.GetY();
                        if(!dirty) {
                                dirty = true;
                                panel->Refresh();
                        }
                }
                std::pair<int, int> get_results()
                {
                        return result;
                }
        private:
                std::pair<int, int> result;
                wxPanel* panel;
                bool oneaxis;
                bool dirty;
                int mouseX;
                int mouseY;
                int height;
                int width;
                control_info cX;
                control_info cY;
                uint8_t* bitmap;
        };

        std::pair<int, int> prompt_coodinates_window(wxWindow* parent, uint8_t* bitmap, unsigned width,
                unsigned height, control_info X, control_info Y, unsigned posX, unsigned posY)
        {
                window_prompt* p = new window_prompt(parent, bitmap, width, height, X, Y, posX, posY);
                if(p->ShowModal() == wxID_CANCEL) {
                        delete p;
                        throw canceled_exception();
                }
                auto r = p->get_results();
                delete p;
                return r;
        }
}

class wxeditor_movie : public wxDialog
{
public:
        wxeditor_movie(wxWindow* parent);
        ~wxeditor_movie() throw();
        bool ShouldPreventAppExit() const;
        void on_close(wxCommandEvent& e);
        void on_wclose(wxCloseEvent& e);
        void on_focus_wrong(wxFocusEvent& e);
        void on_keyboard_down(wxKeyEvent& e);
        void on_keyboard_up(wxKeyEvent& e);
        scroll_bar* get_scroll();
        void update();
private:
        struct _moviepanel : public wxPanel
        {
                _moviepanel(wxeditor_movie* v);
                ~_moviepanel() throw();
                void signal_repaint();
                void on_paint(wxPaintEvent& e);
                void on_erase(wxEraseEvent& e);
                void on_mouse(wxMouseEvent& e);
                void on_popup_menu(wxCommandEvent& e);
                uint64_t moviepos;
        private:
                int get_lines();
                void render(text_framebuffer& fb, unsigned long long pos);
                void on_mouse0(unsigned x, unsigned y, bool polarity, bool shift, unsigned X, unsigned Y);
                void on_mouse1(unsigned x, unsigned y, bool polarity);
                void on_mouse2(unsigned x, unsigned y, bool polarity);
                void popup_axis_panel(uint64_t row, control_info ci, unsigned screenX, unsigned screenY);
                void do_toggle_buttons(unsigned idx, uint64_t row1, uint64_t row2, bool force_false);
                void do_alter_axis(unsigned idx, uint64_t row1, uint64_t row2);
                void do_sweep_axis(unsigned idx, uint64_t row1, uint64_t row2);
                void do_append_frames(uint64_t count);
                void do_append_frames();
                void do_insert_frame_after(uint64_t row, bool multi);
                void do_delete_frame(uint64_t row1, uint64_t row2, bool wholeframe);
                void do_truncate(uint64_t row);
                void do_set_stop_at_frame();
                void do_scroll_to_frame();
                void do_scroll_to_current_frame();
                void do_copy(uint64_t row1, uint64_t row2, unsigned port, unsigned controller);
                void do_copy(uint64_t row1, uint64_t row2);
                void do_cut(uint64_t row1, uint64_t row2, unsigned port, unsigned controller);
                void do_cut(uint64_t row1, uint64_t row2);
                void do_paste(uint64_t row, unsigned port, unsigned controller, bool append);
                void do_paste(uint64_t row, bool append);
                void do_insert_controller(uint64_t row, unsigned port, unsigned controller);
                void do_delete_controller(uint64_t row1, uint64_t row2, unsigned port, unsigned controller);
                uint64_t first_editable(unsigned index);
                uint64_t first_nextframe();
                int width(controller_frame& f);
                std::u32string render_line1(controller_frame& f);
                std::u32string render_line2(controller_frame& f);
                void render_linen(text_framebuffer& fb, controller_frame& f, uint64_t sfn, int y);
                unsigned long long spos;
                void* prev_obj;
                uint64_t prev_seqno;
                void update_cache();
                std::map<uint64_t, uint64_t> subframe_to_frame;
                uint64_t max_subframe;
                frame_controls fcontrols;
                wxeditor_movie* m;
                bool requested;
                text_framebuffer fb;
                uint64_t movielines;
                unsigned new_width;
                unsigned new_height;
                std::vector<uint8_t> pixels;
                unsigned press_x;
                uint64_t press_line;
                uint64_t rpress_line;
                unsigned press_index;
                bool pressed;
                bool recursing;
                uint64_t linecount;
                uint64_t cached_cffs;
                bool position_locked;
                wxMenu* current_popup;
                std::map<int, std::string> branch_names;
        };
        _moviepanel* moviepanel;
        wxButton* closebutton;
        scroll_bar* moviescroll;
        bool closing;
};

namespace
{
        wxeditor_movie* movieeditor_open;

        //Find the first real editable subframe.
        //Call only in emulator thread.
        uint64_t real_first_editable(frame_controls& fc, unsigned idx)
        {
                uint64_t cffs = lsnes_instance.mlogic.get_movie().get_current_frame_first_subframe();
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                pollcounter_vector& pv = lsnes_instance.mlogic.get_movie().get_pollcounters();
                uint64_t vsize = fv.size();
                uint32_t pc = fc.read_pollcount(pv, idx);
                for(uint32_t i = 1; i < pc; i++)
                        if(cffs + i >= vsize || fv[cffs + i].sync())
                                return cffs + i;
                return cffs + pc;
        }

        uint64_t real_first_editable(frame_controls& fc, std::set<unsigned> idx)
        {
                uint64_t m = 0;
                for(auto i : idx)
                        m = max(m, real_first_editable(fc, i));
                return m;
        }

        //Find the first real editable whole frame.
        //Call only in emulator thread.
        uint64_t real_first_nextframe(frame_controls& fc)
        {
                uint64_t base = real_first_editable(fc, 0);
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                for(uint32_t i = 0;; i++)
                        if(base + i >= vsize || fv[base + i].sync())
                                return base + i;
        }
}

wxeditor_movie::_moviepanel::~_moviepanel() throw() {}
wxeditor_movie::~wxeditor_movie() throw() {}

wxeditor_movie::_moviepanel::_moviepanel(wxeditor_movie* v)
        : wxPanel(v, wxID_ANY, wxDefaultPosition, wxSize(100, 100), wxWANTS_CHARS)
{
        m = v;
        Connect(wxEVT_PAINT, wxPaintEventHandler(_moviepanel::on_paint), NULL, this);
        Connect(wxEVT_ERASE_BACKGROUND, wxEraseEventHandler(_moviepanel::on_erase), NULL, this);
        new_width = 0;
        new_height = 0;
        moviepos = 0;
        spos = 0;
        prev_obj = NULL;
        prev_seqno = 0;
        max_subframe = 0;
        recursing = false;
        position_locked = true;
        current_popup = NULL;

        Connect(wxEVT_LEFT_DOWN, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);
        Connect(wxEVT_LEFT_UP, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);
        Connect(wxEVT_MIDDLE_DOWN, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);
        Connect(wxEVT_MIDDLE_UP, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);
        Connect(wxEVT_RIGHT_DOWN, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);
        Connect(wxEVT_RIGHT_UP, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);
        Connect(wxEVT_MOUSEWHEEL, wxMouseEventHandler(_moviepanel::on_mouse), NULL, this);

        signal_repaint();
        requested = false;
}

void wxeditor_movie::_moviepanel::update_cache()
{
        movie& m = lsnes_instance.mlogic.get_movie();
        controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
        if(&m == prev_obj && prev_seqno == m.get_seqno()) {
                //Just process new subframes if any.
                for(uint64_t i = max_subframe; i < fv.size(); i++) {
                        uint64_t prev = (i > 0) ? subframe_to_frame[i - 1] : 0;
                        controller_frame f = fv[i];
                        if(f.sync())
                                subframe_to_frame[i] = prev + 1;
                        else
                                subframe_to_frame[i] = prev;
                }
                max_subframe = fv.size();
                return;
        }
        //Reprocess all subframes.
        for(uint64_t i = 0; i < fv.size(); i++) {
                uint64_t prev = (i > 0) ? subframe_to_frame[i - 1] : 0;
                controller_frame f = fv[i];
                if(f.sync())
                        subframe_to_frame[i] = prev + 1;
                else
                        subframe_to_frame[i] = prev;
        }
        max_subframe = fv.size();
        controller_frame model = fv.blank_frame(false);
        fcontrols.set_types(model);
        prev_obj = &m;
        prev_seqno = m.get_seqno();
}

int wxeditor_movie::_moviepanel::width(controller_frame& f)
{
        update_cache();
        return divcnt + 1 + fcontrols.width();
}

std::u32string wxeditor_movie::_moviepanel::render_line1(controller_frame& f)
{
        update_cache();
        return fcontrols.line1();
}

std::u32string wxeditor_movie::_moviepanel::render_line2(controller_frame& f)
{
        update_cache();
        return fcontrols.line2();
}

void wxeditor_movie::_moviepanel::render_linen(text_framebuffer& fb, controller_frame& f, uint64_t sfn, int y)
{
        update_cache();
        size_t fbstride = fb.get_stride();
        text_framebuffer::element* _fb = fb.get_buffer();
        text_framebuffer::element e;
        e.bg = 0xFFFFFF;
        e.fg = 0x000000;
        for(unsigned i = 0; i < divcnt; i++) {
                uint64_t fn = subframe_to_frame[sfn];
                e.ch = (fn >= divsl[i]) ? (((fn / divs[i]) % 10) + 48) : 32;
                _fb[y * fbstride + i] = e;
        }
        e.ch = 0x2502;
        _fb[y * fbstride + divcnt] = e;
        const std::list<control_info>& ctrlinfo = fcontrols.get_controlinfo();
        uint64_t curframe = lsnes_instance.mlogic.get_movie().get_current_frame();
        pollcounter_vector& pv = lsnes_instance.mlogic.get_movie().get_pollcounters();
        uint64_t cffs = lsnes_instance.mlogic.get_movie().get_current_frame_first_subframe();
        cached_cffs = cffs;
        int past = -1;
        if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                past = 1;
        else if(subframe_to_frame[sfn] < curframe)
                past = 1;
        else if(subframe_to_frame[sfn] > curframe)
                past = 0;
        bool now = (subframe_to_frame[sfn] == curframe);
        unsigned xcord = 32768;
        if(pressed)
                xcord = press_x;

        for(auto i : ctrlinfo) {
                int rpast = past;
                unsigned off = divcnt + 1;
                bool cselected = (xcord >= i.position_left + off && xcord < i.position_left + i.reserved + off);
                if(rpast == -1) {
                        unsigned polls = fcontrols.read_pollcount(pv, i.index);
                        rpast = ((cffs + polls) > sfn) ? 1 : 0;
                }
                uint32_t bgc = 0xC0C0C0;
                if(rpast)
                        bgc |= 0x0000FF;
                if(now)
                        bgc |= 0xFF0000;
                if(cselected)
                        bgc |= 0x00FF00;
                if(bgc == 0xC0C0C0)
                        bgc = 0xFFFFFF;
                if(i.type == -1) {
                        //Separator.
                        fb.write(i.title, 0, divcnt + 1 + i.position_left, y, 0x000000, 0xFFFFFF);
                } else if(i.type == 0) {
                        //Button.
                        char32_t c[2];
                        bool v = (fcontrols.read_index(f, i.index) != 0);
                        c[0] = i.ch;
                        c[1] = 0;
                        fb.write(c, 0, divcnt + 1 + i.position_left, y, v ? 0x000000 : 0xC8C8C8, bgc);
                } else if(i.type == 1) {
                        //Axis.
                        char c[7];
                        sprintf(c, "%6d", fcontrols.read_index(f, i.index));
                        fb.write(c, 0, divcnt + 1 + i.position_left, y, 0x000000, bgc);
                }
        }
}

void wxeditor_movie::_moviepanel::render(text_framebuffer& fb, unsigned long long pos)
{
        spos = pos;
        controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
        controller_frame cf = fv.blank_frame(false);
        int _width = width(cf);
        fb.set_size(_width, lines_to_display + 3);
        size_t fbstride = fb.get_stride();
        auto fbsize = fb.get_characters();
        text_framebuffer::element* _fb = fb.get_buffer();
        fb.write((stringfmt() << "Current frame: " << lsnes_instance.mlogic.get_movie().get_current_frame() << " of "
                << lsnes_instance.mlogic.get_movie().get_frame_count()).str(), _width, 0, 0,
                 0x000000, 0xFFFFFF);
        fb.write(render_line1(cf), _width, 0, 1, 0x000000, 0xFFFFFF);
        fb.write(render_line2(cf), _width, 0, 2, 0x000000, 0xFFFFFF);
        unsigned long long lines = fv.size();
        unsigned long long i;
        unsigned j;
        for(i = pos, j = 3; i < pos + lines_to_display; i++, j++) {
                text_framebuffer::element e;
                if(i >= lines) {
                        //Out of range.
                        e.bg = 0xFFFFFF;
                        e.fg = 0x000000;
                        e.ch = 32;
                        for(unsigned k = 0; k < fbsize.first; k++)
                                _fb[j * fbstride + k] = e;
                } else {
                        controller_frame frame = fv[i];
                        render_linen(fb, frame, i, j);
                }
        }
}

void wxeditor_movie::_moviepanel::do_toggle_buttons(unsigned idx, uint64_t row1, uint64_t row2, bool force_false)
{
        frame_controls* _fcontrols = &fcontrols;
        uint64_t _press_line = row1;
        uint64_t line = row2;
        bool _force_false = force_false;
        if(_press_line > line)
                std::swap(_press_line, line);
        recursing = true;
        lsnes_instance.iqueue.run([idx, _press_line, line, _fcontrols, _force_false]() {
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                uint64_t fedit = real_first_editable(*_fcontrols, idx);
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                controller_frame_vector::notify_freeze freeze(fv);
                for(uint64_t i = _press_line; i <= line; i++) {
                        if(i < fedit || i >= fv.size())
                                continue;
                        controller_frame cf = fv[i];
                        if(!_force_false)
                                _fcontrols->write_index(cf, idx, !_fcontrols->read_index(cf, idx));
                        else
                                _fcontrols->write_index(cf, idx, 0);
                }
        });
        recursing = false;
        if(idx == 0)
                max_subframe = _press_line;     //Reparse.
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_alter_axis(unsigned idx, uint64_t row1, uint64_t row2)
{
        frame_controls* _fcontrols = &fcontrols;
        uint64_t line = row1;
        uint64_t line2 = row2;
        short value;
        bool valid = true;
        lsnes_instance.iqueue.run([idx, line, &value, _fcontrols, &valid]() {
                if(!lsnes_instance.mlogic.get_movie().readonly_mode()) {
                        valid = false;
                        return;
                }
                uint64_t fedit = real_first_editable(*_fcontrols, idx);
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                if(line < fedit || line >= fv.size()) {
                        valid = false;
                        return;
                }
                controller_frame_vector::notify_freeze freeze(fv);
                controller_frame cf = fv[line];
                value = _fcontrols->read_index(cf, idx);
        });
        if(!valid)
                return;
        try {
                std::string text = pick_text(m, "Set value", "Enter new value:", (stringfmt() << value).str());
                value = parse_value<short>(text);
        } catch(canceled_exception& e) {
                return;
        } catch(std::exception& e) {
                wxMessageBox(wxT("Invalid value"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                return;
        }
        if(line > line2)
                std::swap(line, line2);
        lsnes_instance.iqueue.run([idx, line, line2, value, _fcontrols]() {
                uint64_t fedit = real_first_editable(*_fcontrols, idx);
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                controller_frame_vector::notify_freeze freeze(fv);
                for(uint64_t i = line; i <= line2; i++) {
                        if(i < fedit || i >= fv.size())
                                continue;
                        controller_frame cf = fv[i];
                        _fcontrols->write_index(cf, idx, value);
                }
        });
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_sweep_axis(unsigned idx, uint64_t row1, uint64_t row2)
{
        frame_controls* _fcontrols = &fcontrols;
        uint64_t line = row1;
        uint64_t line2 = row2;
        short value;
        short value2;
        bool valid = true;
        if(line > line2)
                std::swap(line, line2);
        lsnes_instance.iqueue.run([idx, line, line2, &value, &value2, _fcontrols, &valid]() {
                if(!lsnes_instance.mlogic.get_movie().readonly_mode()) {
                        valid = false;
                        return;
                }
                uint64_t fedit = real_first_editable(*_fcontrols, idx);
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                if(line2 < fedit || line2 >= fv.size()) {
                        valid = false;
                        return;
                }
                controller_frame cf = fv[line];
                value = _fcontrols->read_index(cf, idx);
                controller_frame cf2 = fv[line2];
                value2 = _fcontrols->read_index(cf2, idx);
        });
        if(!valid)
                return;
        lsnes_instance.iqueue.run([idx, line, line2, value, value2, _fcontrols]() {
                uint64_t fedit = real_first_editable(*_fcontrols, idx);
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                controller_frame_vector::notify_freeze freeze(fv);
                for(uint64_t i = line + 1; i <= line2 - 1; i++) {
                        if(i < fedit || i >= fv.size())
                                continue;
                        controller_frame cf = fv[i];
                        auto tmp2 = static_cast<int64_t>(i - line) * (value2 - value) /
                                static_cast<int64_t>(line2 - line);
                        short tmp = value + tmp2;
                        _fcontrols->write_index(cf, idx, tmp);
                }
        });
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_append_frames(uint64_t count)
{
        recursing = true;
        uint64_t _count = count;
        lsnes_instance.iqueue.run([_count]() {
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                controller_frame_vector::notify_freeze freeze(fv);
                for(uint64_t i = 0; i < _count; i++)
                        fv.append(fv.blank_frame(true));
        });
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_append_frames()
{
        uint64_t value;
        try {
                std::string text = pick_text(m, "Append frames", "Enter number of frames to append:", "");
                value = parse_value<uint64_t>(text);
        } catch(canceled_exception& e) {
                return;
        } catch(std::exception& e) {
                wxMessageBox(wxT("Invalid value"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                return;
        }
        do_append_frames(value);
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_insert_frame_after(uint64_t row, bool multi)
{
        uint64_t multicount = 1;
        if(multi) {
                try {
                        std::string text = pick_text(m, "Append frames", "Enter number of frames to insert:", "");
                        multicount = parse_value<uint64_t>(text);
                } catch(canceled_exception& e) {
                        return;
                } catch(std::exception& e) {
                        wxMessageBox(wxT("Invalid value"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                        return;
                }
        }
        recursing = true;
        frame_controls* _fcontrols = &fcontrols;
        uint64_t _row = row;
        lsnes_instance.iqueue.run([_row, _fcontrols, multicount]() {
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t fedit = real_first_editable(*_fcontrols, 0);
                //Find the start of the next frame.
                uint64_t nframe = _row + 1;
                uint64_t vsize = fv.size();
                while(nframe < vsize && !fv[nframe].sync())
                        nframe++;
                if(nframe < fedit)
                        return;
                controller_frame_vector::notify_freeze freeze(fv);
                for(uint64_t k = 0; k < multicount; k++)
                        fv.append(fv.blank_frame(true));
                if(nframe < vsize) {
                        //Okay, gotta copy all data after this point. nframe has to be at least 1.
                        for(uint64_t i = vsize - 1; i >= nframe; i--)
                                fv[i + multicount] = fv[i];
                        for(uint64_t k = 0; k < multicount; k++)
                                fv[nframe + k] = fv.blank_frame(true);
                }
        });
        max_subframe = row;
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_delete_frame(uint64_t row1, uint64_t row2, bool wholeframe)
{
        recursing = true;
        uint64_t _row1 = row1;
        uint64_t _row2 = row2;
        bool _wholeframe = wholeframe;
        frame_controls* _fcontrols = &fcontrols;
        if(_row1 > _row2) std::swap(_row1, _row2);
        lsnes_instance.iqueue.run([_row1, _row2, _wholeframe, _fcontrols]() {
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(_row1 >= vsize)
                        return;         //Nothing to do.
                controller_frame_vector::notify_freeze freeze(fv);
                uint64_t row2 = min(_row2, vsize - 1);
                uint64_t row1 = min(_row1, vsize - 1);
                row1 = max(row1, real_first_editable(*_fcontrols, 0));
                if(_wholeframe) {
                        if(_row2 < real_first_nextframe(*_fcontrols))
                                return;         //Nothing to do.
                        //Scan backwards for the first subframe of this frame and forwards for the last.
                        uint64_t fsf = row1;
                        uint64_t lsf = row2;
                        if(fv[_row2].sync())
                                lsf++;          //Bump by one so it finds the end.
                        while(fsf < vsize && !fv[fsf].sync())
                                fsf--;
                        while(lsf < vsize && !fv[lsf].sync())
                                lsf++;
                        fsf = max(fsf, real_first_editable(*_fcontrols, 0));
                        uint64_t tonuke = lsf - fsf;
                        int64_t frames_tonuke = 0;
                        //Count frames nuked.
                        for(uint64_t i = fsf; i < lsf; i++)
                                if(fv[i].sync())
                                        frames_tonuke++;
                        //Nuke from fsf to lsf.
                        for(uint64_t i = fsf; i < vsize - tonuke; i++)
                                fv[i] = fv[i + tonuke];
                        fv.resize(vsize - tonuke);
                } else {
                        if(row2 < real_first_editable(*_fcontrols, 0))
                                return;         //Nothing to do.
                        //The sync flag needs to be inherited if:
                        //1) Some deleted subframe has sync flag AND
                        //2) The subframe immediately after deleted region doesn't.
                        bool inherit_sync = false;
                        for(uint64_t i = row1; i <= row2; i++)
                                inherit_sync = inherit_sync || fv[i].sync();
                        inherit_sync = inherit_sync && (row2 + 1 < vsize && !fv[_row2 + 1].sync());
                        int64_t frames_tonuke = 0;
                        //Count frames nuked.
                        for(uint64_t i = row1; i <= row2; i++)
                                if(fv[i].sync())
                                        frames_tonuke++;
                        //If sync is inherited, one less frame is nuked.
                        if(inherit_sync) frames_tonuke--;
                        //Nuke the subframes.
                        uint64_t tonuke = row2 - row1 + 1;
                        for(uint64_t i = row1; i < vsize - tonuke; i++)
                                fv[i] = fv[i + tonuke];
                        fv.resize(vsize - tonuke);
                        //Next subframe inherits the sync flag.
                        if(inherit_sync)
                                fv[row1].sync(true);
                }
        });
        max_subframe = _row1;
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_truncate(uint64_t row)
{
        recursing = true;
        uint64_t _row = row;
        frame_controls* _fcontrols = &fcontrols;
        lsnes_instance.iqueue.run([_row, _fcontrols]() {
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(_row >= vsize)
                        return;
                if(_row < real_first_editable(*_fcontrols, 0))
                        return;
                int64_t delete_count = 0;
                for(uint64_t i = _row; i < vsize; i++)
                        if(fv[i].sync())
                                delete_count--;
                fv.resize(_row);
        });
        max_subframe = row;
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_set_stop_at_frame()
{
        uint64_t curframe;
        uint64_t frame;
        lsnes_instance.iqueue.run([&curframe]() {
                curframe = lsnes_instance.mlogic.get_movie().get_current_frame();
        });
        try {
                std::string text = pick_text(m, "Frame", (stringfmt() << "Enter frame to stop at (currently at "
                        << curframe << "):").str(), "");
                frame = parse_value<uint64_t>(text);
        } catch(canceled_exception& e) {
                return;
        } catch(std::exception& e) {
                wxMessageBox(wxT("Invalid value"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                return;
        }
        if(frame < curframe) {
                wxMessageBox(wxT("The movie is already past that point"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                return;
        }
        lsnes_instance.iqueue.run([frame]() {
                set_stop_at_frame(frame);
        });
}

void wxeditor_movie::_moviepanel::on_mouse0(unsigned x, unsigned y, bool polarity, bool shift, unsigned X, unsigned Y)
{
        if(y < 3)
                return;
        if(polarity) {
                press_x = x;
                press_line = spos + y - 3;
        }
        pressed = polarity;
        if(polarity) {
                signal_repaint();
                return;
        }
        uint64_t line = spos + y - 3;
        if(press_x < divcnt && x < divcnt) {
                //Press on frame count.
                uint64_t row1 = press_line;
                uint64_t row2 = line;
                if(row1 > row2)
                        std::swap(row1, row2);
                do_append_frames(row2 - row1 + 1);
        }
        for(auto i : fcontrols.get_controlinfo()) {
                unsigned off = divcnt + 1;
                unsigned idx = i.index;
                if((press_x >= i.position_left + off && press_x < i.position_left + i.reserved + off) &&
                        (x >= i.position_left + off && x < i.position_left + i.reserved + off)) {
                        if(i.type == 0)
                                do_toggle_buttons(idx, press_line, line, false);
                        else if(i.type == 1) {
                                if(shift) {
                                        if(press_line == line && (i.port || i.controller))
                                                try {
                                                        wxPoint spos = GetScreenPosition();
                                                        popup_axis_panel(line, i, spos.x + X, spos.y + Y);
                                                } catch(canceled_exception& e) {
                                                }
                                } else
                                        do_alter_axis(idx, press_line, line);
                        }
                }
        }
}

void wxeditor_movie::_moviepanel::popup_axis_panel(uint64_t row, control_info ci, unsigned screenX, unsigned screenY)
{
        control_info ciX;
        control_info ciY;
        control_info ci2 = find_paired(ci, fcontrols.get_controlinfo());
        if(ci.index == ci2.index) {
                ciX = ciY = ci;
        } else if(ci2.index < ci.index) {
                ciX = ci2;
                ciY = ci;
        } else {
                ciX = ci;
                ciY = ci2;
        }
        frame_controls* _fcontrols = &fcontrols;
        if(ciX.index == ciY.index) {
                auto c = prompt_coodinates_window(m, NULL, 256, 0, ciX, ciX, screenX, screenY);
                lsnes_instance.iqueue.run([ciX, row, c, _fcontrols]() {
                        uint64_t fedit = real_first_editable(*_fcontrols, ciX.index);
                        if(row < fedit) return;
                        controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                        controller_frame cf = fv[row];
                        _fcontrols->write_index(cf, ciX.index, c.first);
                });
                signal_repaint();
        } else if(ci.axistype == port_controller_button::TYPE_LIGHTGUN) {
                framebuffer::raw& _fb = lsnes_instance.fbuf.render_get_latest_screen();
                framebuffer::fb<false> fb;
                auto osize = std::make_pair(_fb.get_width(), _fb.get_height());
                auto size = our_rom.rtype->lightgun_scale();
                fb.reallocate(osize.first, osize.second, false);
                fb.copy_from(_fb, 1, 1);
                lsnes_instance.fbuf.render_get_latest_screen_end();
                std::vector<uint8_t> buf;
                buf.resize(3 * (ciX.rmax - ciX.rmin + 1) * (ciY.rmax - ciY.rmin + 1));
                unsigned offX = -ciX.rmin;
                unsigned offY = -ciY.rmin;
                struct SwsContext* ctx = sws_getContext(osize.first, osize.second, PIX_FMT_RGBA,
                        size.first, size.second, PIX_FMT_BGR24, SWS_POINT, NULL, NULL, NULL);
                uint8_t* srcp[1];
                int srcs[1];
                uint8_t* dstp[1];
                int dsts[1];
                srcs[0] = 4 * (fb.rowptr(1) - fb.rowptr(0));
                dsts[0] = 3 * (ciX.rmax - ciX.rmin + 1);
                srcp[0] = reinterpret_cast<unsigned char*>(fb.rowptr(0));
                dstp[0] = &buf[3 * (offY * (ciX.rmax - ciX.rmin + 1) + offX)];
                memset(&buf[0], 0, buf.size());
                sws_scale(ctx, srcp, srcs, 0, size.second, dstp, dsts);
                sws_freeContext(ctx);
                auto c = prompt_coodinates_window(m, &buf[0], (ciX.rmax - ciX.rmin + 1), (ciY.rmax - ciY.rmin + 1),
                        ciX, ciY, screenX, screenY);
                lsnes_instance.iqueue.run([ciX, ciY, row, c, _fcontrols]() {
                        uint64_t fedit = real_first_editable(*_fcontrols, ciX.index);
                        fedit = max(fedit, real_first_editable(*_fcontrols, ciY.index));
                        if(row < fedit) return;
                        controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                        controller_frame cf = fv[row];
                        _fcontrols->write_index(cf, ciX.index, c.first);
                        _fcontrols->write_index(cf, ciY.index, c.second);
                });
                signal_repaint();
        } else {
                auto c = prompt_coodinates_window(m, NULL, 256, 256, ciX, ciY, screenX, screenY);
                lsnes_instance.iqueue.run([ciX, ciY, row, c, _fcontrols]() {
                        uint64_t fedit = real_first_editable(*_fcontrols, ciX.index);
                        fedit = max(fedit, real_first_editable(*_fcontrols, ciY.index));
                        if(row < fedit) return;
                        controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                        controller_frame cf = fv[row];
                        _fcontrols->write_index(cf, ciX.index, c.first);
                        _fcontrols->write_index(cf, ciY.index, c.second);
                });
                signal_repaint();
        }
}

void wxeditor_movie::_moviepanel::do_scroll_to_frame()
{
        uint64_t frame;
        try {
                std::string text = pick_text(m, "Frame", (stringfmt() << "Enter frame to scroll to:").str(), "");
                frame = parse_value<uint64_t>(text);
        } catch(canceled_exception& e) {
                return;
        } catch(std::exception& e) {
                wxMessageBox(wxT("Invalid value"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                return;
        }
        uint64_t wouldbe = 0;
        uint64_t low = 0;
        uint64_t high = max_subframe;
        while(low < high) {
                wouldbe = (low + high) / 2;
                if(subframe_to_frame[wouldbe] < frame)
                        low = wouldbe;
                else if(subframe_to_frame[wouldbe] > frame)
                        high = wouldbe;
                else
                        break;
        }
        while(wouldbe > 1 && subframe_to_frame[wouldbe - 1] == frame)
                wouldbe--;
        moviepos = wouldbe;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_scroll_to_current_frame()
{
        moviepos = cached_cffs;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::on_popup_menu(wxCommandEvent& e)
{
        wxMenuItem* tmpitem;
        int id = e.GetId();

        unsigned port = 0;
        unsigned controller = 0;
        for(auto i : fcontrols.get_controlinfo())
                if(i.index == press_index) {
                port = i.port;
                controller = i.controller;
        }

        switch(id) {
        case wxID_TOGGLE:
                do_toggle_buttons(press_index, rpress_line, press_line, false);
                return;
        case wxID_CHANGE:
                do_alter_axis(press_index, rpress_line, press_line);
                return;
        case wxID_CLEAR:
                do_toggle_buttons(press_index, rpress_line, press_line, true);
                return;
        case wxID_SWEEP:
                do_sweep_axis(press_index, rpress_line, press_line);
                return;
        case wxID_APPEND_FRAME:
                do_append_frames(1);
                return;
        case wxID_APPEND_FRAMES:
                do_append_frames();
                return;
        case wxID_INSERT_AFTER:
                do_insert_frame_after(press_line, false);
                return;
        case wxID_INSERT_AFTER_MULTIPLE:
                do_insert_frame_after(press_line, true);
                return;
        case wxID_DELETE_FRAME:
                do_delete_frame(press_line, rpress_line, true);
                return;
        case wxID_DELETE_SUBFRAME:
                do_delete_frame(press_line, rpress_line, false);
                return;
        case wxID_TRUNCATE:
                do_truncate(press_line);
                return;
        case wxID_RUN_TO_FRAME:
                do_set_stop_at_frame();
                return;
        case wxID_SCROLL_FRAME:
                do_scroll_to_frame();
                return;
        case wxID_SCROLL_CURRENT_FRAME:
                do_scroll_to_current_frame();
                return;
        case wxID_POSITION_LOCK:
                if(!current_popup)
                        return;
                tmpitem = current_popup->FindItem(wxID_POSITION_LOCK);
                position_locked = tmpitem->IsChecked();
                return;
        case wxID_CHANGE_LINECOUNT:
                try {
                        std::string text = pick_text(m, "Set number of lines", "Set number of lines visible:",
                                (stringfmt() << lines_to_display).str());
                        unsigned tmp = parse_value<unsigned>(text);
                        if(tmp < 1 || tmp > 255)
                                throw std::runtime_error("Value out of range");
                        lines_to_display = tmp;
                        m->get_scroll()->set_page_size(lines_to_display);
                } catch(canceled_exception& e) {
                        return;
                } catch(std::exception& e) {
                        wxMessageBox(wxT("Invalid value"), _T("Error"), wxICON_EXCLAMATION | wxOK, m);
                        return;
                }
                signal_repaint();
                return;
        case wxID_COPY_FRAMES:
                if(press_index == std::numeric_limits<unsigned>::max())
                        do_copy(rpress_line, press_line);
                else
                        do_copy(rpress_line, press_line, port, controller);
                return;
        case wxID_CUT_FRAMES:
                if(press_index == std::numeric_limits<unsigned>::max())
                        do_cut(rpress_line, press_line);
                else
                        do_cut(rpress_line, press_line, port, controller);
                return;
        case wxID_PASTE_FRAMES:
                if(press_index == std::numeric_limits<unsigned>::max() || clipboard_get_data_type() == 1)
                        do_paste(press_line, false);
                else
                        do_paste(press_line, port, controller, false);
                return;
        case wxID_PASTE_APPEND:
                if(press_index == std::numeric_limits<unsigned>::max() || clipboard_get_data_type() == 1)
                        do_paste(press_line, true);
                else
                        do_paste(press_line, port, controller, true);
                return;
        case wxID_INSERT_CONTROLLER_AFTER:
                if(press_index == std::numeric_limits<unsigned>::max())
                        ;
                else
                        do_insert_controller(press_line, port, controller);
                return;
        case wxID_DELETE_CONTROLLER_SUBFRAMES:
                if(press_index == std::numeric_limits<unsigned>::max())
                        ;
                else
                        do_delete_controller(press_line, rpress_line, port, controller);
                return;
        case wxID_MBRANCH_NEW:
                try {
                        std::string newname;
                        std::string oldname;
                        lsnes_instance.iqueue.run([&oldname]() { oldname = lsnes_instance.mbranch.get(); });
                        newname = pick_text(this, "Enter new branch name", "Enter name for a new branch (to fork "
                                "from " + lsnes_instance.mbranch.name(oldname) + "):", "", false);
                        lsnes_instance.iqueue.run_async([this, oldname, newname] {
                                lsnes_instance.mbranch._new(newname, oldname);
                        }, [this](std::exception& e) {
                                show_exception(this, "Error creating branch", "Can't create branch", e);
                        });
                } catch(canceled_exception& e) {
                }
                return;
        case wxID_MBRANCH_IMPORT:
                try {
                        int mode;
                        std::string filename;
                        std::string branch;
                        std::string dbranch;
                        auto g = choose_file_load(this, "Choose file to import", lsnes_instance.project.moviepath(),
                                exp_imp_type());
                        filename = g.first;
                        mode = g.second;
                        if(mode == MBRANCH_IMPORT_MOVIE) {
                                std::set<std::string> brlist;
                                try {
                                        lsnes_instance.iqueue.run([this, filename, &brlist]() {
                                                brlist = lsnes_instance.mbranch._movie_branches(filename);
                                        });
                                } catch(std::exception& e) {
                                        show_exception(this, "Can't get branches in movie", "", e);
                                        return;
                                }
                                if(brlist.size() == 0) {
                                        show_message_ok(this, "No branches in movie file",
                                                "Can't import movie file as it has no branches", wxICON_EXCLAMATION);
                                        return;
                                } else if(brlist.size() == 1) {
                                        branch = *brlist.begin();
                                } else {
                                        std::vector<std::string> choices(brlist.begin(), brlist.end());
                                        branch = pick_among(this, "Select branch to import",
                                                "Select branch to import", choices, 0);
                                }
                                //Import from movie.
                        }
                        dbranch = pick_text(this, "Enter new branch name", "Enter name for an imported branch:",
                                branch, false);
                        lsnes_instance.iqueue.run_async([this, filename, branch, dbranch, mode]() {
                                lsnes_instance.mbranch.import_branch(filename, branch, dbranch, mode);
                        }, [this](std::exception& e) {
                                show_exception(this, "Can't import branch", "", e);
                        });
                } catch(canceled_exception& e) {
                }
                return;
        case wxID_MBRANCH_EXPORT:
                try {
                        int mode;
                        std::string file;
                        auto g = choose_file_save(this, "Choose file to export", lsnes_instance.project.moviepath(),
                                exp_imp_type());
                        file = g.first;
                        mode = g.second;
                        lsnes_instance.iqueue.run_async([this, file, mode]() {
                                std::string bname = lsnes_instance.mbranch.get();
                                lsnes_instance.mbranch.export_branch(file, bname, mode == MBRANCH_IMPORT_BINARY);
                        }, [this](std::exception& e) {
                                show_exception(this, "Can't export branch", "", e);
                        });
                } catch(canceled_exception& e) {
                }
                return;
        case wxID_MBRANCH_RENAME:
                try {
                        std::string newname;
                        std::string oldname;
                        std::set<std::string> list;
                        lsnes_instance.iqueue.run([&list]() { list = lsnes_instance.mbranch.enumerate(); });
                        std::vector<std::string> choices(list.begin(), list.end());
                        oldname = pick_among(this, "Select branch to rename", "Select branch to rename",
                                choices, 0);
                        newname = pick_text(this, "Enter new branch name", "Enter name for a new branch (to rename "
                                "'" + lsnes_instance.mbranch.name(oldname) + "'):", oldname, false);
                        lsnes_instance.iqueue.run_async([this, oldname, newname] {
                                lsnes_instance.mbranch.rename(oldname, newname);
                        }, [this](std::exception& e) {
                                show_exception(this, "Error renaming branch", "Can't rename branch", e);
                        });
                } catch(canceled_exception& e) {
                }
                return;
        case wxID_MBRANCH_DELETE:
                try {
                        std::string oldname;
                        std::set<std::string> list;
                        lsnes_instance.iqueue.run([&list]() { list = lsnes_instance.mbranch.enumerate(); });
                        std::vector<std::string> choices(list.begin(), list.end());
                        oldname = pick_among(this, "Select branch to delete", "Select branch to delete",
                                choices, 0);
                        lsnes_instance.iqueue.run_async([this, oldname] {
                                lsnes_instance.mbranch._delete(oldname);
                        }, [this](std::exception& e) {
                                show_exception(this, "Error deleting branch", "Can't delete branch", e);
                        });
                } catch(canceled_exception& e) {
                }
                return;
        };
        if(id >= wxID_MBRANCH_FIRST && id <= wxID_MBRANCH_LAST) {
                if(!branch_names.count(id)) return;
                std::string name = branch_names[id];
                lsnes_instance.iqueue.run_async([this, name]() {
                        lsnes_instance.mbranch.set(name);
                }, [this](std::exception& e) {
                        show_exception(this, "Error changing branch", "Can't change branch", e);
                });
        }
}

uint64_t wxeditor_movie::_moviepanel::first_editable(unsigned index)
{
        uint64_t cffs = cached_cffs;
        if(!subframe_to_frame.count(cffs))
                return cffs;
        uint64_t f = subframe_to_frame[cffs];
        pollcounter_vector& pv = lsnes_instance.mlogic.get_movie().get_pollcounters();
        uint32_t pc = fcontrols.read_pollcount(pv, index);
        for(uint32_t i = 1; i < pc; i++)
                if(!subframe_to_frame.count(cffs + i) || subframe_to_frame[cffs + i] > f)
                                return cffs + i;
        return cffs + pc;
}

uint64_t wxeditor_movie::_moviepanel::first_nextframe()
{
        uint64_t base = first_editable(0);
        if(!subframe_to_frame.count(cached_cffs))
                return cached_cffs;
        uint64_t f = subframe_to_frame[cached_cffs];
        for(uint32_t i = 0;; i++)
                if(!subframe_to_frame.count(base + i) || subframe_to_frame[base + i] > f)
                        return base + i;
}

void wxeditor_movie::_moviepanel::on_mouse1(unsigned x, unsigned y, bool polarity) {}
void wxeditor_movie::_moviepanel::on_mouse2(unsigned x, unsigned y, bool polarity)
{
        if(polarity) {
                //Pressing mouse, just record line it was pressed on.
                rpress_line = spos + y - 3;
                press_x = x;
                pressed = true;
                signal_repaint();
                return;
        }
        //Releasing mouse, open popup menu.
        pressed = false;
        unsigned off = divcnt + 1;
        press_x = x;
        if(y < 3) {
                signal_repaint();
                return;
        }
        press_line = spos + y - 3;
        wxMenu menu;
        current_popup = &menu;
        menu.Connect(wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(wxeditor_movie::_moviepanel::on_popup_menu),
                NULL, this);

        //Find what controller is the click on.
        bool clicked_button = false;
        control_info clicked;
        std::string controller_name;
        if(press_x < off) {
                clicked_button = false;
                press_index = std::numeric_limits<unsigned>::max();
        } else {
                for(auto i : fcontrols.get_controlinfo())
                        if(press_x >= i.position_left + off && press_x < i.position_left + i.reserved + off) {
                                if(i.type == 0 || i.type == 1) {
                                        clicked_button = true;
                                        clicked = i;
                                        controller_name = (stringfmt() << "controller " << i.port << "-"
                                                << (i.controller + 1)).str();
                                        press_index = i.index;
                                }
                        }
        }

        //Find first editable frame, controllerframe and buttonframe.
        bool not_editable = !lsnes_instance.mlogic.get_movie().readonly_mode();
        uint64_t eframe_low = first_editable(0);
        uint64_t ebutton_low = clicked_button ? first_editable(clicked.index) : std::numeric_limits<uint64_t>::max();
        uint64_t econtroller_low = ebutton_low;
        for(auto i : fcontrols.get_controlinfo())
                if(i.port == clicked.port && i.controller == clicked.controller && (i.type == 0 || i.type == 1))
                        econtroller_low = max(econtroller_low, first_editable(i.index));

        bool click_zero = (clicked_button && !clicked.port && !clicked.controller);
        bool enable_append_frame = !not_editable;
        bool enable_toggle_button = false;
        bool enable_change_axis = false;
        bool enable_sweep_axis = false;
        bool enable_insert_frame = false;
        bool enable_insert_controller = false;
        bool enable_delete_frame = false;
        bool enable_delete_subframe = false;
        bool enable_delete_controller_subframe = false;
        bool enable_truncate_movie = false;
        bool enable_cut_frame = false;
        bool enable_copy_frame = false;
        bool enable_paste_frame = false;
        bool enable_paste_append = false;
        std::string copy_title;
        std::string paste_title;

        //Toggle button is enabled if clicked on button and either end is in valid range.
        enable_toggle_button = (!not_editable && clicked_button && clicked.type == 0 && ((press_line >= ebutton_low &&
                press_line < linecount) || (rpress_line >= ebutton_low && rpress_line < linecount)));
        //Change axis is enabled in similar conditions, except if type is axis.
        enable_change_axis = (!not_editable && clicked_button && clicked.type == 1 && ((press_line >= ebutton_low &&
                press_line < linecount) || (rpress_line >= ebutton_low && rpress_line < linecount)));
        //Sweep axis is enabled if change axis is enabled and lines don't match.
        enable_sweep_axis = (enable_change_axis && press_line != rpress_line);
        //Insert frame is enabled if this frame is completely editable and press and release lines match.
        enable_insert_frame = (!not_editable && press_line + 1 >= eframe_low && press_line < linecount &&
                press_line == rpress_line);
        //Insert controller frame is enabled if controller is completely editable and lines match.
        enable_insert_controller = (!not_editable && clicked_button && press_line >= econtroller_low &&
                press_line < linecount && press_line == rpress_line);
        enable_insert_controller = enable_insert_controller && (clicked.port || clicked.controller);
        //Delete frame is enabled if range is completely editable (relative to next-frame).
        enable_delete_frame = (!not_editable && press_line >= first_nextframe() && press_line < linecount &&
                rpress_line >= first_nextframe() && rpress_line < linecount);
        //Delete subframe is enabled if range is completely editable.
        enable_delete_subframe = (!not_editable && press_line >= eframe_low && press_line < linecount &&
                rpress_line >= eframe_low && rpress_line < linecount);
        //Delete controller subframe is enabled if range is completely controller-editable.
        enable_delete_controller_subframe = (!not_editable && clicked_button && press_line >= econtroller_low &&
                press_line < linecount && rpress_line >= econtroller_low && rpress_line < linecount);
        enable_delete_controller_subframe = enable_delete_controller_subframe && (clicked.port || clicked.controller);
        //Truncate movie is enabled if lines match and is completely editable.
        enable_truncate_movie = (!not_editable && press_line == rpress_line && press_line >= eframe_low &&
                press_line < linecount);
        //Cut frames is enabled if range is editable (possibly controller-editable).
        if(clicked_button)
                enable_cut_frame = (!not_editable && press_line >= econtroller_low && press_line < linecount
                        && rpress_line >= econtroller_low && rpress_line < linecount && !click_zero);
        else
                enable_cut_frame = (!not_editable && press_line >= eframe_low && press_line < linecount
                        && rpress_line >= eframe_low && rpress_line < linecount);
        if(clicked_button && clipboard_get_data_type() == 0) {
                enable_paste_append = (!not_editable && linecount >= eframe_low);
                enable_paste_frame = (!not_editable && press_line >= econtroller_low && press_line < linecount
                        && rpress_line >= econtroller_low && rpress_line < linecount && !click_zero);
        } else if(clipboard_get_data_type() == 1) {
                enable_paste_append = (!not_editable && linecount >= econtroller_low);
                enable_paste_frame = (!not_editable && press_line >= eframe_low && press_line < linecount
                        && rpress_line >= eframe_low && rpress_line < linecount);
        }
        //Copy frames is enabled if range exists.
        enable_copy_frame = (press_line < linecount && rpress_line < linecount);
        copy_title = (clicked_button ? controller_name : "frames");
        paste_title = ((clipboard_get_data_type() == 0) ? copy_title : "frames");

        if(clipboard_get_data_type() == 0 && click_zero) enable_paste_append = enable_paste_frame = false;

        if(enable_toggle_button)
                menu.Append(wxID_TOGGLE, towxstring(U"Toggle " + clicked.title));
        if(enable_change_axis)
                menu.Append(wxID_CHANGE, towxstring(U"Change " + clicked.title));
        if(enable_sweep_axis)
                menu.Append(wxID_SWEEP, towxstring(U"Sweep " + clicked.title));
        if(enable_toggle_button || enable_change_axis)
                menu.Append(wxID_CLEAR, towxstring(U"Clear " + clicked.title));
        if(enable_toggle_button || enable_change_axis || enable_sweep_axis)
                menu.AppendSeparator();
        menu.Append(wxID_INSERT_AFTER, wxT("Insert frame after"))->Enable(enable_insert_frame);
        menu.Append(wxID_INSERT_AFTER_MULTIPLE, wxT("Insert frames after"))->Enable(enable_insert_frame);
        menu.Append(wxID_INSERT_CONTROLLER_AFTER, wxT("Insert controller frame"))
                ->Enable(enable_insert_controller);
        menu.Append(wxID_APPEND_FRAME, wxT("Append frame"))->Enable(enable_append_frame);
        menu.Append(wxID_APPEND_FRAMES, wxT("Append frames..."))->Enable(enable_append_frame);
        menu.AppendSeparator();
        menu.Append(wxID_DELETE_FRAME, wxT("Delete frame(s)"))->Enable(enable_delete_frame);
        menu.Append(wxID_DELETE_SUBFRAME, wxT("Delete subframe(s)"))->Enable(enable_delete_subframe);
        menu.Append(wxID_DELETE_CONTROLLER_SUBFRAMES, wxT("Delete controller subframes(s)"))
                ->Enable(enable_delete_controller_subframe);
        menu.AppendSeparator();
        menu.Append(wxID_TRUNCATE, wxT("Truncate movie"))->Enable(enable_truncate_movie);
        menu.AppendSeparator();
        menu.Append(wxID_CUT_FRAMES, towxstring("Cut " + copy_title))->Enable(enable_cut_frame);
        menu.Append(wxID_COPY_FRAMES, towxstring("Copy " + copy_title))->Enable(enable_copy_frame);
        menu.Append(wxID_PASTE_FRAMES, towxstring("Paste " + paste_title))->Enable(enable_paste_frame);
        menu.Append(wxID_PASTE_APPEND, towxstring("Paste append " + paste_title))->Enable(enable_paste_append);
        menu.AppendSeparator();
        menu.Append(wxID_SCROLL_FRAME, wxT("Scroll to frame..."));
        menu.Append(wxID_SCROLL_CURRENT_FRAME, wxT("Scroll to current frame"));
        menu.Append(wxID_RUN_TO_FRAME, wxT("Run to frame..."));
        menu.Append(wxID_CHANGE_LINECOUNT, wxT("Change number of lines visible"));
        menu.AppendCheckItem(wxID_POSITION_LOCK, wxT("Lock scroll to playback"))->Check(position_locked);
        menu.AppendSeparator();

        wxMenu* branches_submenu = new wxMenu();
        branches_submenu->Append(wxID_MBRANCH_NEW, wxT("New branch..."));
        branches_submenu->Append(wxID_MBRANCH_IMPORT, wxT("Import branch..."));
        branches_submenu->Append(wxID_MBRANCH_EXPORT, wxT("Export branch..."));
        branches_submenu->Append(wxID_MBRANCH_RENAME, wxT("Rename branch..."));
        branches_submenu->Append(wxID_MBRANCH_DELETE, wxT("Delete branch..."));
        branches_submenu->AppendSeparator();
        std::set<std::string> list;
        std::string current;
        bool ro;
        lsnes_instance.iqueue.run([&list, &current, &ro]() {
                list = lsnes_instance.mbranch.enumerate();
                current = lsnes_instance.mbranch.get();
                ro = lsnes_instance.mlogic.get_movie().readonly_mode();
        });
        int ass_id = wxID_MBRANCH_FIRST;
        for(auto i : list) {
                bool selected = (i == current);
                wxMenuItem* it;
                it = branches_submenu->AppendCheckItem(ass_id, towxstring(lsnes_instance.mbranch.name(i)));
                branch_names[ass_id++] = i;
                if(selected) it->Check(selected);
                it->Enable(ro);
        }
        menu.AppendSubMenu(branches_submenu, wxT("Branches"));
        menu.Connect(wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(wxeditor_movie::_moviepanel::on_popup_menu),
                NULL, this);
        branches_submenu->Connect(wxEVT_COMMAND_MENU_SELECTED,
                wxCommandEventHandler(wxeditor_movie::_moviepanel::on_popup_menu), NULL, this);
        PopupMenu(&menu);
        //delete branches_submenu;
        signal_repaint();
}

int wxeditor_movie::_moviepanel::get_lines()
{
        controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
        return fv.size();
}

void wxeditor_movie::_moviepanel::signal_repaint()
{
        if(requested || recursing)
                return;
        auto s = m->get_scroll();
        requested = true;
        uint32_t width, height;
        uint64_t lines;
        wxeditor_movie* m2 = m;
        uint64_t old_cached_cffs = cached_cffs;
        uint32_t prev_width, prev_height;
        bool done_again = false;
do_again:
        lsnes_instance.iqueue.run([&lines, &width, &height, m2, this]() {
                lines = this->get_lines();
                if(lines < lines_to_display)
                        this->moviepos = 0;
                else if(this->moviepos > lines - lines_to_display)
                        this->moviepos = lines - lines_to_display;
                this->render(fb, moviepos);
                auto x = fb.get_characters();
                width = x.first;
                height = x.second;
        });
        if(old_cached_cffs != cached_cffs && position_locked && !done_again) {
                moviepos = cached_cffs;
                done_again = true;
                goto do_again;
        }
        prev_width = new_width;
        prev_height = new_height;
        new_width = width;
        new_height = height;
        movielines = lines;
        if(s) {
                s->set_range(lines);
                s->set_position(moviepos);
        }
        auto size = fb.get_pixels();
        pixels.resize(size.first * size.second * 3);
        fb.render((char*)&pixels[0]);
        if(prev_width != new_width || prev_height != new_height) {
                auto cell = fb.get_cell();
                SetMinSize(wxSize(new_width * cell.first, (lines_to_display + 3) * cell.second));
                if(new_width > 0 && s)
                        m->Fit();
        }
        linecount = lines;
        Refresh();
}

void wxeditor_movie::_moviepanel::on_mouse(wxMouseEvent& e)
{
        auto cell = fb.get_cell();
        if(e.LeftDown() && !e.ControlDown())
                on_mouse0(e.GetX() / cell.first, e.GetY() / cell.second, true, e.ShiftDown(), e.GetX(), e.GetY());
        if(e.LeftUp() && !e.ControlDown())
                on_mouse0(e.GetX() / cell.first, e.GetY() / cell.second, false, e.ShiftDown(), e.GetX(), e.GetY());
        if(e.MiddleDown())
                on_mouse1(e.GetX() / cell.first, e.GetY() / cell.second, true);
        if(e.MiddleUp())
                on_mouse1(e.GetX() / cell.first, e.GetY() / cell.second, false);
        if(e.RightDown() || (e.LeftDown() && e.ControlDown()))
                on_mouse2(e.GetX() / cell.first, e.GetY() / cell.second, true);
        if(e.RightUp() || (e.LeftUp() && e.ControlDown()))
                on_mouse2(e.GetX() / cell.first, e.GetY() / cell.second, false);
        auto s = m->get_scroll();
        unsigned speed = 1;
        if(e.ShiftDown())
                speed = 10;
        if(e.ShiftDown() && e.ControlDown())
                speed = 50;
        s->apply_wheel(e.GetWheelRotation(), e.GetWheelDelta(), speed);
}

void wxeditor_movie::_moviepanel::on_erase(wxEraseEvent& e)
{
        //Blank.
}

void wxeditor_movie::_moviepanel::on_paint(wxPaintEvent& e)
{
        auto size = fb.get_pixels();
        if(!size.first || !size.second) {
                wxPaintDC dc(this);
                dc.Clear();
                requested = false;
                return;
        }
        wxPaintDC dc(this);
        wxBitmap bmp(wxImage(size.first, size.second, &pixels[0], true));
        dc.DrawBitmap(bmp, 0, 0, false);
        requested = false;
}

void wxeditor_movie::_moviepanel::do_copy(uint64_t row1, uint64_t row2, unsigned port, unsigned controller)
{
        frame_controls* _fcontrols = &fcontrols;
        uint64_t line = row1;
        uint64_t line2 = row2;
        if(line2 < line)
                std::swap(line, line2);
        std::string copied;
        lsnes_instance.iqueue.run([port, controller, line, line2, _fcontrols, &copied]() {
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(!vsize)
                        return;
                uint64_t _line = min(line, vsize - 1);
                uint64_t _line2 = min(line2, vsize - 1);
                copied = encode_lines(*_fcontrols, fv, _line, _line2 + 1, port, controller);
        });
        copy_to_clipboard(copied);
}

void wxeditor_movie::_moviepanel::do_copy(uint64_t row1, uint64_t row2)
{
        uint64_t line = row1;
        uint64_t line2 = row2;
        if(line2 < line)
                std::swap(line, line2);
        std::string copied;
        lsnes_instance.iqueue.run([line, line2, &copied]() {
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(!vsize)
                        return;
                uint64_t _line = min(line, vsize - 1);
                uint64_t _line2 = min(line2, vsize - 1);
                copied = encode_lines(fv, _line, _line2 + 1);
        });
        copy_to_clipboard(copied);
}

void wxeditor_movie::_moviepanel::do_cut(uint64_t row1, uint64_t row2, unsigned port, unsigned controller)
{
        do_copy(row1, row2, port, controller);
        do_delete_controller(row1, row2, port, controller);
}

void wxeditor_movie::_moviepanel::do_cut(uint64_t row1, uint64_t row2)
{
        do_copy(row1, row2);
        do_delete_frame(row1, row2, false);
}

void wxeditor_movie::_moviepanel::do_paste(uint64_t row, bool append)
{
        frame_controls* _fcontrols = &fcontrols;
        recursing = true;
        uint64_t _gapstart = row;
        std::string cliptext = copy_from_clipboard();
        lsnes_instance.iqueue.run([_fcontrols, &cliptext, _gapstart, append]() {
                //Insert enough lines for the pasted content.
                uint64_t gapstart = _gapstart;
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                uint64_t gaplen = 0;
                int64_t newframes = 0;
                {
                        std::istringstream y(cliptext);
                        std::string z;
                        if(!std::getline(y, z))
                                return;
                        istrip_CR(z);
                        if(z != "lsnes-moviedata-whole")
                                return;
                        while(std::getline(y, z))
                                gaplen++;
                }
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(gapstart < real_first_editable(*_fcontrols, 0))
                        return;
                if(gapstart > vsize)
                        return;
                controller_frame_vector::notify_freeze freeze(fv);
                if(append) gapstart = vsize;
                for(uint64_t i = 0; i < gaplen; i++)
                        fv.append(fv.blank_frame(false));
                for(uint64_t i = vsize - 1; i >= gapstart && i <= vsize; i--)
                        fv[i + gaplen] = fv[i];
                //Write the pasted frames.
                {
                        std::istringstream y(cliptext);
                        std::string z;
                        std::getline(y, z);
                        uint64_t idx = gapstart;
                        while(std::getline(y, z)) {
                                fv[idx++].deserialize(z.c_str());
                                if(fv[idx - 1].sync())
                                        newframes++;
                        }
                }
        });
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_paste(uint64_t row, unsigned port, unsigned controller, bool append)
{
        if(!port && !controller)
                return;
        frame_controls* _fcontrols = &fcontrols;
        auto iset = controller_index_set(fcontrols, port, controller);
        recursing = true;
        uint64_t _gapstart = row;
        std::string cliptext = copy_from_clipboard();
        lsnes_instance.iqueue.run([_fcontrols, iset, &cliptext, _gapstart, port, controller, append]() {
                //Insert enough lines for the pasted content.
                uint64_t gapstart = _gapstart;
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                uint64_t gaplen = 0;
                int64_t newframes = 0;
                {
                        std::istringstream y(cliptext);
                        std::string z;
                        if(!std::getline(y, z))
                                return;
                        istrip_CR(z);
                        if(z != "lsnes-moviedata-controller")
                                return;
                        while(std::getline(y, z)) {
                                gaplen++;
                                newframes++;
                        }
                }
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(gapstart < real_first_editable(*_fcontrols, iset))
                        return;
                if(gapstart > vsize)
                        return;
                controller_frame_vector::notify_freeze freeze(fv);
                if(append) gapstart = vsize;
                for(uint64_t i = 0; i < gaplen; i++)
                        fv.append(fv.blank_frame(true));
                move_index_set(*_fcontrols, fv, gapstart, gapstart + gaplen, vsize - gapstart, iset);
                //Write the pasted frames.
                {
                        std::istringstream y(cliptext);
                        std::string z;
                        std::getline(y, z);
                        uint64_t idx = gapstart;
                        while(std::getline(y, z)) {
                                controller_frame f = fv[idx++];
                                decode_line(*_fcontrols, f, z, port, controller);
                        }
                }
        });
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_insert_controller(uint64_t row, unsigned port, unsigned controller)
{
        if(!port && !controller)
                return;
        frame_controls* _fcontrols = &fcontrols;
        auto iset = controller_index_set(fcontrols, port, controller);
        recursing = true;
        uint64_t gapstart = row;
        lsnes_instance.iqueue.run([_fcontrols, iset, gapstart, port, controller]() {
                //Insert enough lines for the pasted content.
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(gapstart < real_first_editable(*_fcontrols, iset))
                        return;
                if(gapstart > vsize)
                        return;
                fv.append(fv.blank_frame(true));
                move_index_set(*_fcontrols, fv, gapstart, gapstart + 1, vsize - gapstart, iset);
                zero_index_set(*_fcontrols, fv, gapstart, 1, iset);
        });
        recursing = false;
        signal_repaint();
}

void wxeditor_movie::_moviepanel::do_delete_controller(uint64_t row1, uint64_t row2, unsigned port,
        unsigned controller)
{
        if(!port && !controller)
                return;
        frame_controls* _fcontrols = &fcontrols;
        auto iset = controller_index_set(fcontrols, port, controller);
        recursing = true;
        if(row1 > row2) std::swap(row1, row2);
        uint64_t gapstart = row1;
        uint64_t gaplen = row2 - row1 + 1;
        lsnes_instance.iqueue.run([_fcontrols, iset, gapstart, gaplen, port, controller]() {
                //Insert enough lines for the pasted content.
                if(!lsnes_instance.mlogic.get_movie().readonly_mode())
                        return;
                controller_frame_vector& fv = *lsnes_instance.mlogic.get_mfile().input;
                uint64_t vsize = fv.size();
                if(gapstart < real_first_editable(*_fcontrols, iset))
                        return;
                if(gapstart > vsize)
                        return;
                move_index_set(*_fcontrols, fv, gapstart + gaplen, gapstart, vsize - gapstart - gaplen, iset);
                zero_index_set(*_fcontrols, fv, vsize - gaplen, gaplen, iset);
        });
        recursing = false;
        signal_repaint();
}


wxeditor_movie::wxeditor_movie(wxWindow* parent)
        : wxDialog(parent, wxID_ANY, wxT("lsnes: Edit movie"), wxDefaultPosition, wxSize(-1, -1))
{
        closing = false;
        Centre();
        wxFlexGridSizer* top_s = new wxFlexGridSizer(2, 1, 0, 0);
        SetSizer(top_s);

        wxBoxSizer* panel_s = new wxBoxSizer(wxHORIZONTAL);
        moviescroll = NULL;
        panel_s->Add(moviepanel = new _moviepanel(this), 1, wxGROW);
        panel_s->Add(moviescroll = new scroll_bar(this, wxID_ANY, true), 0, wxGROW);
        top_s->Add(panel_s, 1, wxGROW);

        moviescroll->set_page_size(lines_to_display);
        moviescroll->set_handler([this](scroll_bar& s) {
                this->moviepanel->moviepos = s.get_position();
                this->moviepanel->signal_repaint();
        });
        moviepanel->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(wxeditor_movie::on_keyboard_down), NULL, this);
        moviepanel->Connect(wxEVT_KEY_UP, wxKeyEventHandler(wxeditor_movie::on_keyboard_up), NULL, this);

        wxBoxSizer* pbutton_s = new wxBoxSizer(wxHORIZONTAL);
        pbutton_s->AddStretchSpacer();
        pbutton_s->Add(closebutton = new wxButton(this, wxID_OK, wxT("Close")), 0, wxGROW);
        closebutton->Connect(wxEVT_COMMAND_BUTTON_CLICKED,
                wxCommandEventHandler(wxeditor_movie::on_close), NULL, this);
        top_s->Add(pbutton_s, 0, wxGROW);

        moviepanel->SetFocus();
        moviescroll->Connect(wxEVT_SET_FOCUS, wxFocusEventHandler(wxeditor_movie::on_focus_wrong), NULL, this);
        closebutton->Connect(wxEVT_SET_FOCUS, wxFocusEventHandler(wxeditor_movie::on_focus_wrong), NULL, this);
        Connect(wxEVT_SET_FOCUS, wxFocusEventHandler(wxeditor_movie::on_focus_wrong), NULL, this);

        panel_s->SetSizeHints(this);
        pbutton_s->SetSizeHints(this);
        top_s->SetSizeHints(this);
        Connect(wxEVT_CLOSE_WINDOW, wxCloseEventHandler(wxeditor_movie::on_wclose));
        Fit();

        moviepanel->signal_repaint();
}

bool wxeditor_movie::ShouldPreventAppExit() const { return false; }

void wxeditor_movie::on_close(wxCommandEvent& e)
{
        movieeditor_open = NULL;
        Destroy();
        closing = true;
}

void wxeditor_movie::on_wclose(wxCloseEvent& e)
{
        bool wasc = closing;
        closing = true;
        movieeditor_open = NULL;
        if(!wasc)
                Destroy();
}

void wxeditor_movie::update()
{
        moviepanel->signal_repaint();
}

scroll_bar* wxeditor_movie::get_scroll()
{
        return moviescroll;
}

void wxeditor_movie::on_focus_wrong(wxFocusEvent& e)
{
        moviepanel->SetFocus();
}

void wxeditor_movie_display(wxWindow* parent)
{
        if(movieeditor_open)
                return;
        wxeditor_movie* v = new wxeditor_movie(parent);
        v->Show();
        movieeditor_open = v;
}

void wxeditor_movie::on_keyboard_down(wxKeyEvent& e)
{
        handle_wx_keyboard(e, true);
}

void wxeditor_movie::on_keyboard_up(wxKeyEvent& e)
{
        handle_wx_keyboard(e, false);
}

void wxeditor_movie_update()
{
        if(movieeditor_open)
                movieeditor_open->update();
}