/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

#include "SDL_internal.h"

#ifdef SDL_VIDEO_DRIVER_X11

#include "../../SDL_list.h"
#include "SDL_x11video.h"
#ifdef SDL_USE_LIBDBUS
#include "../../core/linux/SDL_system_theme.h"
#endif
#ifdef HAVE_FRIBIDI_H
#include "../../core/unix/SDL_fribidi.h"
#endif
#include "SDL_x11dyn.h"
#include "SDL_x11toolkit.h"
#include "SDL_x11settings.h"
#include "SDL_x11modes.h"
#include "xsettings-client.h"
#include <X11/keysym.h>
#include <locale.h>

#define SDL_SET_LOCALE 1
#define SDL_GRAB 1

typedef enum SDL_ToolkitTextTypeX11
{
    SDL_TOOLKIT_TEXT_TYPE_X11_GENERIC,
    SDL_TOOLKIT_TEXT_TYPE_X11_THAI
} SDL_ToolkitTextTypeX11;

#ifdef HAVE_LIBTHAI_H
typedef struct SDL_ToolkitThaiOverlayX11
{
    bool top;
    char *str;
    size_t sz;
    SDL_Rect rect;
} SDL_ToolkitThaiOverlayX11;
#endif

typedef struct SDL_ToolkitTextElementX11
{
    SDL_ToolkitTextTypeX11 type;
    char *str;
    size_t sz;
    SDL_Rect rect;
    int font_h;
    void (*str_free)(void *);
#ifdef HAVE_LIBTHAI_H
    SDL_ListNode *thai_overlays;
#endif
} SDL_ToolkitTextElementX11;

typedef struct SDL_ToolkitIconControlX11
{
    SDL_ToolkitControlX11 parent;

    /* Icon type */
    SDL_MessageBoxFlags flags;
    char icon_char;

    /* Font */
    XFontStruct *icon_char_font;
    int icon_char_x;
    int icon_char_y;
    int icon_char_a;
    int icon_char_h;

    /* Colors */
    XColor xcolor_black;
    XColor xcolor_red;
    XColor xcolor_red_darker;
    XColor xcolor_white;
    XColor xcolor_yellow;
    XColor xcolor_blue;
    XColor xcolor_bg_shadow;
} SDL_ToolkitIconControlX11;

typedef struct SDL_ToolkitButtonControlX11
{
    SDL_ToolkitControlX11 parent;

    /* Data */
    const SDL_MessageBoxButtonData *data;

    /* Text */
    SDL_ListNode *text;
    SDL_Rect text_rect;
    
    /* Callback */
    void *cb_data;
    void (*cb)(struct SDL_ToolkitControlX11 *, void *);
} SDL_ToolkitButtonControlX11;

typedef struct SDL_ToolkitLabelControlLineX11
{
    SDL_ListNode *text;
    SDL_Rect rect;
#ifdef HAVE_FRIBIDI_H
    FriBidiParType par;
#endif
} SDL_ToolkitLabelControlLineX11;

typedef struct SDL_ToolkitLabelControlX11
{
    SDL_ToolkitControlX11 parent;

 /*   char **lines;
    int *y;
    size_t *szs;
    size_t sz;
#ifdef HAVE_FRIBIDI_H
    int *x;
    int *w;
    bool *free_lines;
    FriBidiParType *par_types;
#endif*/
    SDL_ToolkitLabelControlLineX11 *lines;
    size_t sz;
} SDL_ToolkitLabelControlX11;

typedef struct SDL_ToolkitMenuBarControlX11
{
    SDL_ToolkitControlX11 parent;

    SDL_ListNode *menu_items;
} SDL_ToolkitMenuBarControlX11;

typedef struct SDL_ToolkitMenuControlX11
{
    SDL_ToolkitControlX11 parent;

    SDL_ListNode *menu_items;
    XColor xcolor_check_bg;
} SDL_ToolkitMenuControlX11;

/* Font for icon control */
static const char *g_IconFont = "-*-*-bold-r-normal-*-%d-*-*-*-*-*-iso8859-1[33 88 105]";
#define G_ICONFONT_SIZE 22

/* General UI font */
static const char g_ToolkitFontLatin1[] =
    "-*-*-medium-r-normal--0-%d-*-*-p-0-iso8859-1";
static const char g_ToolkitFontLatin1Fallback[] =
    "-*-*-*-*-*--*-*-*-*-*-*-iso8859-1";

static const char *g_ToolkitFont[] = {
    "-*-*-medium-r-normal--*-%d-*-*-*-*-iso10646-1,*",  // explicitly unicode (iso10646-1)
    "-*-*-medium-r-*--*-%d-*-*-*-*-iso10646-1,*",  // explicitly unicode (iso10646-1)
    "-misc-*-*-*-*--*-*-*-*-*-*-iso10646-1,*",  // misc unicode (fix for some systems)
    "-*-*-*-*-*--*-*-*-*-*-*-iso10646-1,*",  // just give me anything Unicode.
    "-*-*-medium-r-normal--*-%d-*-*-*-*-iso8859-1,*",  // explicitly latin1, in case low-ASCII works out.
    "-*-*-medium-r-*--*-%d-*-*-*-*-iso8859-1,*",  // explicitly latin1, in case low-ASCII works out.
    "-misc-*-*-*-*--*-*-*-*-*-*-iso8859-1,*",  // misc latin1 (fix for some systems)
    "-*-*-*-*-*--*-*-*-*-*-*-iso8859-1,*",  // just give me anything latin1.
    NULL
};
#define G_TOOLKITFONT_SIZE 140

static const SDL_MessageBoxColor g_default_colors[SDL_MESSAGEBOX_COLOR_COUNT] = {
    { 191, 184, 191 },    // SDL_MESSAGEBOX_COLOR_BACKGROUND,
    { 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_TEXT,
    { 127, 120, 127 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
    { 191, 184, 191 },  // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
    { 235, 235, 235 },  // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};

#ifdef SDL_USE_LIBDBUS
static const SDL_MessageBoxColor g_default_colors_dark[SDL_MESSAGEBOX_COLOR_COUNT] = {
    { 20, 20, 20 },    // SDL_MESSAGEBOX_COLOR_BACKGROUND,
    { 192, 192, 192 }, // SDL_MESSAGEBOX_COLOR_TEXT,
    { 12, 12, 12 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
    { 20, 20, 20 },  // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
    { 36, 36, 36 },  // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};

#if 0
static const SDL_MessageBoxColor g_default_colors_dark_high_contrast[SDL_MESSAGEBOX_COLOR_COUNT] = {
    { 0, 0, 0 },    // SDL_MESSAGEBOX_COLOR_BACKGROUND,
    { 255, 255, 255 }, // SDL_MESSAGEBOX_COLOR_TEXT,
    { 20, 235, 255 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
    { 0, 0, 0 },  // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
    { 125, 5, 125 },  // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};

static const SDL_MessageBoxColor g_default_colors_light_high_contrast[SDL_MESSAGEBOX_COLOR_COUNT] = {
    { 255, 255, 255 },    // SDL_MESSAGEBOX_COLOR_BACKGROUND,
    { 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_TEXT,
    { 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
    { 255, 255, 255 },  // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
    { 20, 230, 255 },  // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};
#endif

#endif

static int g_shm_error;
static int (*g_old_error_handler)(Display *, XErrorEvent *) = NULL;

static int X11Toolkit_SharedMemoryErrorHandler(Display *d, XErrorEvent *e)
{
    if (e->error_code == BadAccess || e->error_code == BadRequest) {
        g_shm_error = True;
        return 0;
    }
    return g_old_error_handler(d, e);
}

static void X11Toolkit_InitWindowPixmap(SDL_ToolkitWindowX11 *data) {
    if (data->pixmap) {
#ifndef NO_SHARED_MEMORY
        if (!data->shm_pixmap) {
            data->drawable = X11_XCreatePixmap(data->display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
        }
#else
        data->drawable = X11_XCreatePixmap(data->display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
#endif
#ifndef NO_SHARED_MEMORY
        if (data->shm) {
            data->image = X11_XShmCreateImage(data->display, data->visual, data->depth, ZPixmap, NULL, &data->shm_info, data->pixmap_width, data->pixmap_height);
            if (data->image) {
                data->shm_bytes_per_line = data->image->bytes_per_line;

                data->shm_info.shmid = shmget(IPC_PRIVATE, data->image->bytes_per_line * data->image->height, IPC_CREAT | 0777);
                if (data->shm_info.shmid < 0) {
                    XDestroyImage(data->image);
                    data->image = NULL;
                    data->shm = false;
                    return;
                }

                data->shm_info.readOnly = False;
                data->shm_info.shmaddr = data->image->data = (char *)shmat(data->shm_info.shmid, NULL, 0);
                if (((signed char *)data->shm_info.shmaddr) == (signed char *)-1) {
                    XDestroyImage(data->image);
                    data->shm = false;
                    data->image = NULL;
                    return;
                }

                g_shm_error = False;
                g_old_error_handler = X11_XSetErrorHandler(X11Toolkit_SharedMemoryErrorHandler);
                X11_XShmAttach(data->display, &data->shm_info);
                X11_XSync(data->display, False);
                X11_XSetErrorHandler(g_old_error_handler);
                if (g_shm_error) {
                    XDestroyImage(data->image);
                    shmdt(data->shm_info.shmaddr);
                    shmctl(data->shm_info.shmid, IPC_RMID, NULL);
                    data->image = NULL;
                    data->shm = false;
                    return;
                }

                if (data->shm_pixmap) {
                    data->drawable = X11_XShmCreatePixmap(data->display, data->window, data->shm_info.shmaddr, &data->shm_info, data->pixmap_width, data->pixmap_height, data->depth);
                    if (data->drawable == None) {
                        data->shm_pixmap = False;
                    } else {
                        XDestroyImage(data->image);
                        data->image = NULL;
                    }
                }

                shmctl(data->shm_info.shmid, IPC_RMID, NULL);
            } else {
                data->shm = false;
            }
        }
#endif
    }
}

static void X11Toolkit_InitWindowFonts(SDL_ToolkitWindowX11 *window)
{    
    window->thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_NONE;
    window->thai_font = SDL_TOOLKIT_THAI_FONT_X11_CELL;
#ifdef X_HAVE_UTF8_STRING
    window->utf8 = true;
    window->font_set = NULL;
    if (SDL_X11_HAVE_UTF8) {
        char **missing = NULL;
        int num_missing = 0;
        int i_font;
        window->font_struct = NULL;
        for (i_font = 0; g_ToolkitFont[i_font]; ++i_font) {
            char *font;

            if (SDL_strstr(g_ToolkitFont[i_font], "%d")) {
                try_load_font:
                SDL_asprintf(&font, g_ToolkitFont[i_font], G_TOOLKITFONT_SIZE * window->iscale);
                window->font_set = X11_XCreateFontSet(window->display, font, &missing, &num_missing, NULL);
                SDL_free(font);

                if (!window->font_set) {
                    if (window->scale != 0 && window->iscale > 0) {
                        window->iscale = (int)SDL_ceilf(window->scale);
                        window->scale = 0;
                    } else {
                        window->iscale--;
                    }
                    goto try_load_font;
                }
            } else {
                window->font_set = X11_XCreateFontSet(window->display, g_ToolkitFont[i_font], &missing, &num_missing, NULL);
            }

            if (missing) {
                X11_XFreeStringList(missing);
            }

            if (window->font_set) {
                break;
            }
        }

        if (!window->font_set) {
            goto load_font_traditional;
        } else {
            XFontStruct **font_structs;
            char **font_names;
            int font_sz;
            int i;
            
#ifdef HAVE_FRIBIDI_H
            window->do_shaping = !X11_XContextDependentDrawing(window->font_set);
#endif
            /* TODO: What to do the XFontSet happens to have more than one Thai font? */
            font_sz = X11_XFontsOfFontSet(window->font_set, &font_structs, &font_names);
            for (i = 0; i < font_sz; i++) {
                SDL_ToolkitThaiEncodingX11 thai_encoding;
                
                thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_NONE;
                if (SDL_strstr(font_names[i], "tis620-0")) {
                    thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_TIS;
                } else if (SDL_strstr(font_names[i], "tis620-1")) {
                    thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_TIS_MAC;
                } else if (SDL_strstr(font_names[i], "tis620-2")) {
                    thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_TIS_WIN;
                } else if (SDL_strstr(font_names[i], "iso8859-11")) {
                    thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_8859;
                } else if (SDL_strstr(font_names[i], "iso10646-1")) {
                    thai_encoding = SDL_TOOLKIT_THAI_ENCODING_X11_UNICODE;
                }
                                                
                /* TODO: Set encoding to none if the font does not actually have any Thai codepoints */
                if (thai_encoding != SDL_TOOLKIT_THAI_ENCODING_X11_NONE) {
                    XFontStruct *font_struct;

                    /* We have to load the font again because the font_struct supplied by FontsOfFontSet does not have the per_char member set */
                    font_struct = X11_XLoadQueryFont(window->display, font_names[i]);
                    if (font_struct) {
                        if (font_struct->per_char) {
                            int glyphs_sz;
                            int j;

                            glyphs_sz = (font_struct->max_char_or_byte2 - font_struct->min_char_or_byte2 + 1) * (font_struct->max_byte1 - font_struct->min_byte1 + 1);
                            for (j = 0; j < glyphs_sz; j++) {
                                if (font_struct->per_char[j].lbearing < 0) {
                                    window->thai_font = SDL_TOOLKIT_THAI_FONT_X11_OFFSET;
                                }
                            }
                        }
                        X11_XFreeFont(window->display, font_struct);
                    }
                }
                
                window->thai_encoding = thai_encoding;
            } 
        }
    } else
#endif
    {
        char *font;

        load_font_traditional:
        window->utf8 = false;
        SDL_asprintf(&font, g_ToolkitFontLatin1, G_TOOLKITFONT_SIZE * window->iscale);
        window->font_struct = X11_XLoadQueryFont(window->display, font);
        SDL_free(font);
        if (!window->font_struct) {
            if (window->iscale > 0) {
                if (window->scale != 0) {
                    window->iscale = (int)SDL_ceilf(window->scale);
                    window->scale = 0;
                } else {
                    window->iscale--;
                }
                goto load_font_traditional;
            } else {
                window->font_struct = X11_XLoadQueryFont(window->display, g_ToolkitFontLatin1Fallback);
            }
        }
    }
}

static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action, XSettingsSetting *setting, void *data)
{
    SDL_ToolkitWindowX11 *window;
    int i;

    window = data;

    if (window->xsettings_first_time) {
        return;
    }

    if (SDL_strcmp(name, SDL_XSETTINGS_GDK_WINDOW_SCALING_FACTOR) == 0 ||
        SDL_strcmp(name, SDL_XSETTINGS_GDK_UNSCALED_DPI) == 0 ||
        SDL_strcmp(name, SDL_XSETTINGS_XFT_DPI) == 0) {
        bool dbe_already_setup = false;
        bool pixmap_already_setup = false;

        if (window->pixmap) {
            pixmap_already_setup = true;
        } else {
            dbe_already_setup = true;
        }

        /* set scale vars */
        window->scale = X11_GetGlobalContentScale(window->display, window->xsettings);
        window->iscale = (int)SDL_ceilf(window->scale);
        if (window->scale < 1) {
            window->scale = 1;
        }
        if (SDL_roundf(window->scale) == window->scale) {
            window->scale = 0;
        }

        /* setup fonts */
#ifdef X_HAVE_UTF8_STRING
        if (window->font_set) {
            X11_XFreeFontSet(window->display, window->font_set);
        }
#endif
        if (window->font_struct) {
            X11_XFreeFont(window->display, window->font_struct);
        }

        X11Toolkit_InitWindowFonts(window);

        /* set up window */
        if (window->scale != 0) {
            window->window_width = SDL_lroundf((window->window_width/window->iscale) * window->scale);
            window->window_height = SDL_lroundf((window->window_height/window->iscale) * window->scale);
            window->pixmap_width = window->window_width;
            window->pixmap_height = window->window_height;
            window->pixmap = true;
        } else {
            window->pixmap = false;
        }

        if (window->pixmap) {
            if (!pixmap_already_setup) {
#ifdef SDL_VIDEO_DRIVER_X11_XDBE
                if (SDL_X11_HAVE_XDBE && window->xdbe) {
                    X11_XdbeDeallocateBackBufferName(window->display, window->buf);
                }
#endif
            }
            X11_XFreePixmap(window->display, window->drawable);
            X11Toolkit_InitWindowPixmap(window);
        } else {
            if (!dbe_already_setup) {
                X11_XFreePixmap(window->display, window->drawable);
#ifndef NO_SHARED_MEMORY
                if (window->image) {
                    XDestroyImage(window->image);
                    window->image = NULL;
                }
#endif
#ifdef SDL_VIDEO_DRIVER_X11_XDBE
                if (SDL_X11_HAVE_XDBE && window->xdbe) {
                    window->buf = X11_XdbeAllocateBackBufferName(window->display, window->window, XdbeUndefined);
                    window->drawable = window->buf;
                }
#endif
            }
        }

        /* notify controls */
        for (i = 0; i < window->controls_sz; i++) {
            window->controls[i]->do_size = true;

            if (window->controls[i]->func_on_scale_change) {
                window->controls[i]->func_on_scale_change(window->controls[i]);
            }

            if (window->controls[i]->func_calc_size) {
                window->controls[i]->func_calc_size(window->controls[i]);
            }

            window->controls[i]->do_size = false;
        }

        /* notify cb */
        if (window->cb_on_scale_change) {
            window->cb_on_scale_change(window, window->cb_data);
        }

        /* update ev scales */
        if (!window->pixmap) {
            window->ev_scale = window->ev_iscale = 1;
        } else {
            window->ev_scale = window->scale;
            window->ev_iscale = window->iscale;
        }
    }
}

static void X11Toolkit_GetTextWidthHeightForFont(XFontStruct *font, const char *str, int nbytes, int *pwidth, int *pheight, int *ascent, int *font_height)
{
    XCharStruct text_structure;
    int font_direction, font_ascent, font_descent;
    
    X11_XTextExtents(font, str, nbytes, &font_direction, &font_ascent, &font_descent, &text_structure);
    *pwidth = text_structure.width;
    *pheight = text_structure.ascent + text_structure.descent;
    *ascent = text_structure.ascent;
    if (font_height) {
       *font_height = font_ascent + font_descent;
    }
}

static void X11Toolkit_GetTextWidthHeight(SDL_ToolkitWindowX11 *data, const char *str, int nbytes, int *pwidth, int *pheight, int *ascent, int *descent, int *font_height)
{
#ifdef X_HAVE_UTF8_STRING
    if (data->utf8) {
        XRectangle overall_ink, overall_logical;

        X11_Xutf8TextExtents(data->font_set, str, nbytes, &overall_ink, &overall_logical);
        *pwidth = overall_logical.width;
        *pheight = overall_logical.height;
        *ascent = -overall_logical.y;
        *descent = overall_logical.height - *ascent;

        if (font_height) {
            XFontSetExtents *extents;

            extents = X11_XExtentsOfFontSet(data->font_set);
            *font_height = extents->max_logical_extent.height;
        }
    } else
#endif
    {
        XCharStruct text_structure;
        int font_direction, font_ascent, font_descent;
        X11_XTextExtents(data->font_struct, str, nbytes,
                         &font_direction, &font_ascent, &font_descent,
                         &text_structure);
        *pwidth = text_structure.width;
        *pheight = text_structure.ascent + text_structure.descent;
        *ascent = text_structure.ascent;
        *descent = text_structure.descent;

        if (font_height) {
            *font_height = font_ascent + font_descent;
        }
    }
}

#ifdef HAVE_FRIBIDI_H
SDL_ListNode *X11Toolkit_MakeTextElements(SDL_ToolkitWindowX11 *data, char *txt, size_t sz, FriBidiParType *par)
#else
SDL_ListNode *X11Toolkit_MakeTextElements(SDL_ToolkitWindowX11 *data, char *txt, size_t sz)
#endif
{
    SDL_ListNode *list;
    char *str;
    char *buffer;
    Uint32 cp;
    bool thai;
    bool free_txt;
    
    free_txt = false;
    list = NULL;
    thai = 0;
    str = txt;
    buffer = SDL_malloc(1);
    buffer[0] = 0;
    
#ifdef HAVE_FRIBIDI_H
    if (par) {
        *par = FRIBIDI_PAR_LTR;
    }
    if (data->fribidi) {
        char *fstr;
                
        fstr = SDL_FriBidi_Process(data->fribidi, str, sz, data->do_shaping, par);
        if (fstr) {
            txt = fstr;
            str = fstr;
            sz = SDL_strlen(str);
            free_txt = true;
        } 
    }
#endif        

    while (1) {
        char *new;
        char utf8[5];
        size_t csz;
        bool cond;

        SDL_zeroa(utf8);
        cp = SDL_StepUTF8((const char **)&str, &sz);
        cond = (0xe00 <= cp && cp <= 0xe7f) ? true : false;
        if (cp == 0 || cond == (thai ? false : true)) {
            SDL_ToolkitTextElementX11 *element;
            
            element = SDL_malloc(sizeof(SDL_ToolkitTextElementX11));
            if (thai) {
                element->type = SDL_TOOLKIT_TEXT_TYPE_X11_THAI;
            } else {
                element->type = SDL_TOOLKIT_TEXT_TYPE_X11_GENERIC;
            }
            element->str = SDL_strdup(buffer);
            element->sz = SDL_strlen(buffer);
            element->str_free = SDL_free;
            
            SDL_ListAdd(&list, element);
            
            SDL_free(buffer);
            buffer = SDL_malloc(1);
            buffer[0] = 0;
            thai = thai ? false : true;
        }

        if (!cp) {
            break;
        }
        
        SDL_UCS4ToUTF8(cp, utf8);
        csz = SDL_strlen(buffer) + SDL_strlen(utf8) + 1;
        new = SDL_malloc(csz);
        SDL_strlcpy(new, buffer, csz);
        SDL_strlcat(new, utf8, csz);
        SDL_free(buffer);
        buffer = new;
    }

    SDL_free(buffer);
    if (free_txt) {
        SDL_free(txt);
    }
    return list;
}

void X11Toolkit_ShapeTextElements(SDL_ToolkitWindowX11 *data, SDL_ListNode *list)
{
    SDL_ListNode *cursor;
    SDL_ToolkitTextElementX11 *prev;
    int temp;
    
    /* Shape and calculate bounding box */
    cursor = list;
    while (cursor) {
        SDL_ToolkitTextElementX11 *element;
        
        element = cursor->entry;
#ifdef HAVE_LIBTHAI_H
        element->thai_overlays = NULL;
#endif
        if (element->type == SDL_TOOLKIT_TEXT_TYPE_X11_THAI) {
            if (data->thai_font == SDL_TOOLKIT_THAI_FONT_X11_OFFSET) {
                X11Toolkit_GetTextWidthHeight(data, element->str, element->sz, &element->rect.w, &element->rect.h, &element->rect.y, &temp, NULL);
            } else {
#ifdef HAVE_LIBTHAI_H
                if (data->th) {
                    struct thcell_t *cells;
                    char *tis_str;
                    char *base_tis_str;
                    size_t cells_sz;
                    size_t base_tis_str_sz;
                    size_t tis_str_sz;
                                                    
                    tis_str = SDL_iconv_string("TIS-620", "UTF-8", element->str, element->sz);
                    cells_sz = tis_str_sz = SDL_strlen(tis_str);
                    
                    cells = SDL_calloc(cells_sz, sizeof(struct thcell_t));
                    data->th->make_cells((const thchar_t *)tis_str, tis_str_sz, cells, &cells_sz, 0);

                    base_tis_str_sz = cells_sz;
                    base_tis_str = SDL_malloc(base_tis_str_sz + 1);
                    for (temp = 0; temp < cells_sz; temp++) {
                        base_tis_str[temp] = cells[temp].base;
                        
                        if (cells[temp].hilo) {
                            SDL_ToolkitThaiOverlayX11 *overlay;
                            char *pre;
                            int temp2;
                            
                            overlay = SDL_malloc(sizeof(SDL_ToolkitThaiOverlayX11));
                            pre = SDL_iconv_string("UTF-8", "TIS-620", base_tis_str, temp);
                            overlay->str = SDL_iconv_string("UTF-8", "TIS-620", (const char *)&cells[temp].hilo, 1);
                            overlay->sz = SDL_strlen(overlay->str);
                            overlay->top = false;
                            X11Toolkit_GetTextWidthHeight(data, pre, SDL_strlen(pre), &overlay->rect.x, &temp2, &temp2, &temp2, NULL);
                            X11Toolkit_GetTextWidthHeight(data, overlay->str, overlay->sz, &overlay->rect.w, &overlay->rect.h, &overlay->rect.y, &temp2, NULL);
                            SDL_ListAdd(&element->thai_overlays, overlay);
                            SDL_free(pre);
                        }
                        
                        if (cells[temp].top) {
                            SDL_ToolkitThaiOverlayX11 *overlay;
                            char *pre;
                            int temp2;
                            
                            overlay = SDL_malloc(sizeof(SDL_ToolkitThaiOverlayX11));
                            pre = SDL_iconv_string("UTF-8", "TIS-620", base_tis_str, temp);
                            overlay->str = SDL_iconv_string("UTF-8", "TIS-620", (const char *)&cells[temp].top, 1);
                            overlay->sz = SDL_strlen(overlay->str);
                            overlay->top = true;
                            X11Toolkit_GetTextWidthHeight(data, pre, SDL_strlen(pre), &overlay->rect.x, &temp2, &temp2, &temp2, NULL);
                            X11Toolkit_GetTextWidthHeight(data, overlay->str, overlay->sz, &overlay->rect.w, &overlay->rect.h, &overlay->rect.y, &temp2, NULL);
                            SDL_ListAdd(&element->thai_overlays, overlay);
                            SDL_free(pre);
                        }
                    }
                    base_tis_str[base_tis_str_sz] = '\0';
                    
                    element->str_free(element->str);
                    element->str = SDL_iconv_string("UTF-8", "TIS-620", base_tis_str, base_tis_str_sz);
                    element->sz = SDL_strlen(element->str);
                    X11Toolkit_GetTextWidthHeight(data, element->str, element->sz, &element->rect.w, &element->rect.h, &element->rect.y, &temp, &element->font_h);

                    SDL_free(tis_str);
                    SDL_free(cells);                
                    SDL_free(base_tis_str);
                }
#else
                X11Toolkit_GetTextWidthHeight(data, element->str, element->sz, &element->rect.w, &element->rect.h, &element->rect.y, &temp, &element->font_h);
#endif            
            }
        } else {
            X11Toolkit_GetTextWidthHeight(data, element->str, element->sz, &element->rect.w, &element->rect.h, &element->rect.y, &temp, &element->font_h);
        }
        
        cursor = cursor->next;
    }
    
    /* Add offsets */
    prev = NULL;
    cursor = list;
    while (cursor) {
        SDL_ToolkitTextElementX11 *element;
        
        element = cursor->entry;        
        if (prev) {
            element->rect.x = prev->rect.x + prev->rect.w;
        } else {
            element->rect.x = 0;
        }
        
        prev = element;
        cursor = cursor->next;
    }
}


void X11Toolkit_DrawTextElements(SDL_ToolkitWindowX11 *data, SDL_ListNode *list, int x, int y)
{
    SDL_ListNode *cursor;
    
    cursor = list;
    
    while (cursor) {
        SDL_ToolkitTextElementX11 *element;
        
        element = cursor->entry;
        if (element->type == SDL_TOOLKIT_TEXT_TYPE_X11_THAI) {
            if (data->thai_font == SDL_TOOLKIT_THAI_FONT_X11_OFFSET) {
#ifdef X_HAVE_UTF8_STRING
                if (data->utf8) {
                    X11_Xutf8DrawString(data->display, data->drawable, data->font_set, data->ctx, x + element->rect.x, y + element->rect.y, element->str, element->sz);
                } else
#endif
                {
                    X11_XDrawString(data->display, data->drawable, data->ctx, x + element->rect.x, y + element->rect.y, element->str, element->sz);
                }
            } else {    
#ifdef HAVE_LIBTHAI_H
                SDL_ListNode *overlay_cursor;
                    
                /* Draw the base string */
#ifdef X_HAVE_UTF8_STRING
                if (data->utf8) {
                    X11_Xutf8DrawString(data->display, data->drawable, data->font_set, data->ctx, x + element->rect.x, y + element->rect.y, element->str, element->sz);
                } else
#endif
                {
                    X11_XDrawString(data->display, data->drawable, data->ctx, x + element->rect.x, y + element->rect.y, element->str, element->sz);
                }                        
                
                /* Draw overlays */
                overlay_cursor = element->thai_overlays;
                while (overlay_cursor) {
                    SDL_ToolkitThaiOverlayX11 *overlay;
                    
                    overlay = overlay_cursor->entry;
#ifdef X_HAVE_UTF8_STRING
                    if (data->utf8) {
                        X11_Xutf8DrawString(data->display, data->drawable, data->font_set, data->ctx, x + element->rect.x + overlay->rect.x, y + overlay->rect.y, overlay->str, overlay->sz);
                    } else
#endif
                    {
                        X11_XDrawString(data->display, data->drawable, data->ctx, x + element->rect.x + overlay->rect.x, y + element->rect.y + overlay->rect.y, overlay->str, overlay->sz);
                    }                        
                            
                    overlay_cursor = overlay_cursor->next;
                }
#endif                
            }
        } else {
#ifdef X_HAVE_UTF8_STRING
            if (data->utf8) {
                X11_Xutf8DrawString(data->display, data->drawable, data->font_set, data->ctx, x + element->rect.x, y + element->rect.y, element->str, element->sz);
            } else
#endif
            {
                X11_XDrawString(data->display, data->drawable, data->ctx, x + element->rect.x, y + element->rect.y, element->str, element->sz);
            }
        }
        
        cursor = cursor->next;
    }
}

int X11Toolkit_GetTextElementsRect(SDL_ListNode *list, SDL_Rect *out)
{
    SDL_ListNode *cursor;
    int ret;
    
    ret = 0;
    out->x = out->y = 0;
    out->w = out->h = 0;
    cursor = list;
    while (cursor) {
        SDL_ToolkitTextElementX11 *element;
        
        element = cursor->entry;
        
        out->w += element->rect.w;
        out->h = SDL_max(out->h, element->rect.h);
        ret = SDL_max(ret, element->font_h);
        
        cursor = cursor->next;
    }
    
    return ret;
}

void X11Toolkit_FreeTextElementsListContents(SDL_ListNode *list)
{
    SDL_ListNode *cursor;
    
    cursor = list;
    while (cursor) {
        SDL_ToolkitTextElementX11 *element;
#ifdef HAVE_LIBTHAI_H
        SDL_ListNode *overlay_cursor;
#endif

        element = cursor->entry;
        
        if (element->str_free) {
            element->str_free(element->str);
        }
        
#ifdef HAVE_LIBTHAI_H        
        overlay_cursor = element->thai_overlays;
        while (overlay_cursor) {
            SDL_ToolkitThaiOverlayX11 *overlay;
                    
            overlay = overlay_cursor->entry;
            SDL_free(overlay->str);
            SDL_free(overlay);
            overlay_cursor = overlay_cursor->next;
        }
        SDL_ListClear(&element->thai_overlays);
#endif
        
        SDL_free(element);
        
        cursor = cursor->next;
    }
}

#define X11Toolkit_FreeTextElements(x) X11Toolkit_FreeTextElementsListContents(x); SDL_ListClear(&x)
 
static bool X11Toolkit_ShouldFlipUI(void) 
{
    SDL_Locale **current_locales;
    static const SDL_Locale rtl_locales[] = {
        { "ar", NULL, },
        { "fa", "AF", },
        { "fa", "IR", },
        { "he", NULL, },
        { "iw", NULL, },
        { "yi", NULL, },
        { "ur", NULL, },
        { "ug", NULL, },
        { "kd", NULL, },
        { "pk", "PK", },
        { "ps", NULL, }
    }; 
    int current_locales_sz;
    int i;

    current_locales = SDL_GetPreferredLocales(&current_locales_sz);
    if (current_locales_sz <= 0) {
        return false;        
    }
    for (i = 0; i < SDL_arraysize(rtl_locales); ++i) {
        if (SDL_startswith(current_locales[0]->language, rtl_locales[i].language)) {
            if (!rtl_locales[i].country) {
                return true;
            } else {
                return SDL_startswith(current_locales[0]->country, rtl_locales[i].country);
            }
        }
    }
    
    return false;
}

SDL_ToolkitWindowX11 *X11Toolkit_CreateWindowStruct(SDL_Window *parent, SDL_ToolkitWindowX11 *tkparent, SDL_ToolkitWindowModeX11 mode, const SDL_MessageBoxColor *colorhints, bool create_new_display)
{
    SDL_ToolkitWindowX11 *window;
    int i;
#ifdef SDL_USE_LIBDBUS
    SDL_SystemTheme theme;
#endif
    #define ErrorFreeRetNull(x, y) SDL_SetError(x); SDL_free(y); return NULL
    #define ErrorCloseFreeRetNull(x, y, z) X11_XCloseDisplay(z->display); SDL_SetError(x, y); SDL_free(z); return NULL

    if (!SDL_X11_LoadSymbols()) {
        return NULL;
    }

    // This code could get called from multiple threads maybe?
    X11_XInitThreads();

    window = (SDL_ToolkitWindowX11 *)SDL_malloc(sizeof(SDL_ToolkitWindowX11));
    if (!window) {
        SDL_SetError("Unable to allocate toolkit window structure");
        return NULL;
    }

    window->mode = mode;
    window->tk_parent = tkparent;

#if SDL_SET_LOCALE
    if (mode == SDL_TOOLKIT_WINDOW_MODE_X11_DIALOG) {
        window->origlocale = setlocale(LC_ALL, NULL);
        if (window->origlocale) {
            window->origlocale = SDL_strdup(window->origlocale);
            if (!window->origlocale) {
                SDL_free(window);
                return NULL;
            }
            (void)setlocale(LC_ALL, "");
        }
    }
#endif

    window->parent_device = NULL;
    if (create_new_display) {
        window->display = X11_XOpenDisplay(NULL);
        window->display_close = true;
        if (!window->display) {
            ErrorFreeRetNull("Couldn't open X11 display", window);
        }
    } else {
        if (parent) {
            window->parent_device = SDL_GetVideoDevice();
            window->display = window->parent_device->internal->display;
            window->display_close = false;
        } else if (tkparent) {
            window->display = tkparent->display;
            window->display_close = false;
        } else {
            window->display = X11_XOpenDisplay(NULL);
            window->display_close = true;
            if (!window->display) {
                ErrorFreeRetNull("Couldn't open X11 display", window);
            }
        }
    }

#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
    int xrandr_event_base, xrandr_error_base;
    window->xrandr = X11_XRRQueryExtension(window->display, &xrandr_event_base, &xrandr_error_base);
#endif

#ifndef NO_SHARED_MEMORY
    window->shm_pixmap = False;
    window->shm = X11_XShmQueryExtension(window->display) ? SDL_X11_HAVE_SHM : false;
    if (window->shm) {
        int major;
        int minor;

        X11_XShmQueryVersion(window->display, &major, &minor, &window->shm_pixmap);
        if (window->shm_pixmap) {
            if (X11_XShmPixmapFormat(window->display) != ZPixmap) {
                window->shm_pixmap = False;
            }
        }
    }
#endif

    /* Scale/Xsettings */
    window->pixmap = false;
    window->xsettings_first_time = true;
    window->xsettings = xsettings_client_new(window->display, DefaultScreen(window->display), X11Toolkit_SettingsNotify, NULL, window);
    window->xsettings_first_time = false;
    window->scale = X11_GetGlobalContentScale(window->display, window->xsettings);
    if (window->scale < 1) {
        window->scale = 1;
    }
    window->iscale = (int)SDL_ceilf(window->scale);
    if (SDL_roundf(window->scale) == window->scale) {
        window->scale = 0;
    }

    /* Fonts */
    X11Toolkit_InitWindowFonts(window);

    /* Color hints */
#ifdef SDL_USE_LIBDBUS
    theme = SDL_SYSTEM_THEME_LIGHT;
    if (SDL_SystemTheme_Init()) {
        theme = SDL_SystemTheme_Get();
    }
#endif

    if (!colorhints) {
#ifdef SDL_USE_LIBDBUS
        switch (theme) {
            case SDL_SYSTEM_THEME_DARK:
                colorhints = g_default_colors_dark;
                break;
#if 0
            case SDL_SYSTEM_THEME_LIGHT_HIGH_CONTRAST:
                colorhints = g_default_colors_light_high_contrast;
                break;
            case SDL_SYSTEM_THEME_DARK_HIGH_CONTRAST:
                colorhints = g_default_colors_dark_high_contrast;
                break;
#endif
            default:
                colorhints = g_default_colors;
        }
#else
        colorhints = g_default_colors;
#endif
    }
    window->color_hints = colorhints;

    /* Convert colors to 16 bpc XColor format */
    for (i = 0; i < SDL_MESSAGEBOX_COLOR_COUNT; i++) {
        window->xcolor[i].flags = DoRed|DoGreen|DoBlue;
        window->xcolor[i].red = colorhints[i].r * 257;
        window->xcolor[i].green = colorhints[i].g * 257;
        window->xcolor[i].blue = colorhints[i].b * 257;
    }

    /* Generate bevel and pressed colors */
    window->xcolor_bevel_l1.flags = DoRed|DoGreen|DoBlue;
    window->xcolor_bevel_l1.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].red + 12500, 0, 65535);
    window->xcolor_bevel_l1.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].green + 12500, 0, 65535);
    window->xcolor_bevel_l1.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].blue + 12500, 0, 65535);

    window->xcolor_bevel_l2.flags = DoRed|DoGreen|DoBlue;
    window->xcolor_bevel_l2.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].red + 32500, 0, 65535);
    window->xcolor_bevel_l2.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].green + 32500, 0, 65535);
    window->xcolor_bevel_l2.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].blue + 32500, 0, 65535);

    window->xcolor_bevel_d.flags = DoRed|DoGreen|DoBlue;
    window->xcolor_bevel_d.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].red - 22500, 0, 65535);
    window->xcolor_bevel_d.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].green - 22500, 0, 65535);
    window->xcolor_bevel_d.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].blue - 22500, 0, 65535);

    window->xcolor_pressed.flags = DoRed|DoGreen|DoBlue;
    window->xcolor_pressed.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].red - 12500, 0, 65535);
    window->xcolor_pressed.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].green - 12500, 0, 65535);
    window->xcolor_pressed.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].blue - 12500, 0, 65535);

    window->xcolor_disabled_text.flags = DoRed|DoGreen|DoBlue;
    window->xcolor_disabled_text.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_TEXT].red + 19500, 0, 65535);
    window->xcolor_disabled_text.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_TEXT].green + 19500, 0, 65535);
    window->xcolor_disabled_text.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_TEXT].blue + 19500, 0, 65535);

    /* Screen */
    window->parent = parent;
    if (parent) {
        SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(parent);
        window->screen = displaydata->screen;
    } else {
        window->screen = DefaultScreen(window->display);
    }

    /* Visuals */
    if (mode == SDL_TOOLKIT_WINDOW_MODE_X11_CHILD) {
        window->visual = parent->internal->visual;
        window->cmap = parent->internal->colormap;
        X11_GetVisualInfoFromVisual(window->display, window->visual, &window->vi);
        window->depth = window->vi.depth;
    } else {
        window->visual = DefaultVisual(window->display, window->screen);
        window->cmap = DefaultColormap(window->display, window->screen);
        window->depth = DefaultDepth(window->display, window->screen);
        X11_GetVisualInfoFromVisual(window->display, window->visual, &window->vi);
    }

    /* Allocate colors */
    for (i = 0; i < SDL_MESSAGEBOX_COLOR_COUNT; i++) {
        X11_XAllocColor(window->display, window->cmap, &window->xcolor[i]);
    }
    X11_XAllocColor(window->display, window->cmap, &window->xcolor_bevel_l1);
    X11_XAllocColor(window->display, window->cmap, &window->xcolor_bevel_l2);
    X11_XAllocColor(window->display, window->cmap, &window->xcolor_bevel_d);
    X11_XAllocColor(window->display, window->cmap, &window->xcolor_pressed);
    X11_XAllocColor(window->display, window->cmap, &window->xcolor_disabled_text);

    /* Control list */
    window->has_focus = false;
    window->controls = NULL;
    window->controls_sz = 0;
    window->dyn_controls_sz = 0;
    window->fiddled_control = NULL;
    window->dyn_controls = NULL;

    /* Menu windows */
    window->popup_windows = NULL;

    /* BIDI engine */
#ifdef HAVE_FRIBIDI_H
    window->fribidi = SDL_FriBidi_Create();
#endif

#ifdef HAVE_LIBTHAI_H
    window->th = SDL_LibThai_Create();
#endif
    
    /* Interface direction */
    window->flip_interface = X11Toolkit_ShouldFlipUI();
    
    return window;
}

static void X11Toolkit_AddControlToWindow(SDL_ToolkitWindowX11 *window, SDL_ToolkitControlX11 *control) {
    /* Add to controls list */
    window->controls_sz++;
    if (window->controls_sz == 1) {
        window->controls = (struct SDL_ToolkitControlX11 **)SDL_malloc(sizeof(struct SDL_ToolkitControlX11 *));
    } else {
        window->controls = (struct SDL_ToolkitControlX11 **)SDL_realloc(window->controls, sizeof(struct SDL_ToolkitControlX11 *) * window->controls_sz);
    }
    window->controls[window->controls_sz - 1] = control;

    /* If dynamic, add it to the dynamic controls list too */
    if (control->dynamic) {
        window->dyn_controls_sz++;
        if (window->dyn_controls_sz == 1) {
            window->dyn_controls = (struct SDL_ToolkitControlX11 **)SDL_malloc(sizeof(struct SDL_ToolkitControlX11 *));
        } else {
            window->dyn_controls = (struct SDL_ToolkitControlX11 **)SDL_realloc(window->dyn_controls, sizeof(struct SDL_ToolkitControlX11 *) * window->dyn_controls_sz);
        }
        window->dyn_controls[window->dyn_controls_sz - 1] = control;
    }

    /* If selected, set currently focused control to it */
    if (control->selected) {
        window->focused_control = control;
    }
}

bool X11Toolkit_CreateWindowRes(SDL_ToolkitWindowX11 *data, int w, int h, int cx, int cy, char *title)
{
    int x, y;
    XSizeHints *sizehints;
    XSetWindowAttributes wnd_attr;
    Atom _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DIALOG, _NET_WM_WINDOW_TYPE_DROPDOWN_MENU, _NET_WM_WINDOW_TYPE_TOOLTIP;
    SDL_WindowData *windowdata = NULL;
    Display *display = data->display;
    XGCValues ctx_vals;
    Window root_win;
    Window parent_win;
    unsigned long gcflags = GCForeground | GCBackground;
    unsigned long valuemask;
#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
#ifdef XRANDR_DISABLED_BY_DEFAULT
    const bool use_xrandr_by_default = false;
#else
    const bool use_xrandr_by_default = true;
#endif
#endif

    if (data->scale == 0) {
        data->window_width = w;
        data->window_height = h;
    } else {
        data->window_width = SDL_lroundf((w/data->iscale) * data->scale);
        data->window_height = SDL_lroundf((h/data->iscale) * data->scale);
        data->pixmap_width = w;
        data->pixmap_height = h;
        data->pixmap = true;
    }

    if (data->parent) {
        windowdata = data->parent->internal;
    }

    valuemask = CWEventMask | CWColormap;
    data->event_mask = ExposureMask |
                       ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
                       StructureNotifyMask | FocusChangeMask | PointerMotionMask;
    wnd_attr.event_mask = data->event_mask;
    wnd_attr.colormap = data->cmap;
    if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_MENU || data->mode== SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP) {
        valuemask |= CWOverrideRedirect | CWSaveUnder;
        wnd_attr.save_under = True;
        wnd_attr.override_redirect = True;
    }
    root_win = RootWindow(display, data->screen);
    if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_CHILD) {
        parent_win = windowdata->xwindow;
    } else {
        parent_win = root_win;
    }

    data->window = X11_XCreateWindow(
        display, parent_win,
        0, 0,
        data->window_width, data->window_height,
        0, data->depth, InputOutput, data->visual,
        valuemask, &wnd_attr);
    if (data->window == None) {
        return SDL_SetError("Couldn't create X window");
    }

    if (windowdata && data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_DIALOG) {
        Atom _NET_WM_STATE = X11_XInternAtom(display, "_NET_WM_STATE", False);
        Atom stateatoms[16];
        size_t statecount = 0;
        // Set some message-boxy window states when attached to a parent window...
        // we skip the taskbar since this will pop to the front when the parent window is clicked in the taskbar, etc
        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_TASKBAR", False);
        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_PAGER", False);
        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_FOCUSED", False);
        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_MODAL", False);
        SDL_assert(statecount <= SDL_arraysize(stateatoms));
        X11_XChangeProperty(display, data->window, _NET_WM_STATE, XA_ATOM, 32,
                            PropModeReplace, (unsigned char *)stateatoms, statecount);
    }

    if (windowdata && data->mode != SDL_TOOLKIT_WINDOW_MODE_X11_CHILD) {
        X11_XSetTransientForHint(display, data->window, windowdata->xwindow);
    }

    if (data->tk_parent) {
        X11_XSetTransientForHint(display, data->window, data->tk_parent->window);
    }

    SDL_X11_SetWindowTitle(display, data->window, title);

    // Let the window manager the type of the window
    if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_DIALOG) {
        _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
        _NET_WM_WINDOW_TYPE_DIALOG = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
        X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
                            PropModeReplace,
                            (unsigned char *)&_NET_WM_WINDOW_TYPE_DIALOG, 1);
    } else if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_MENU) {
        _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
        _NET_WM_WINDOW_TYPE_DROPDOWN_MENU = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", False);
        X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
                            PropModeReplace,
                            (unsigned char *)&_NET_WM_WINDOW_TYPE_DROPDOWN_MENU, 1);
    } else if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP) {
        _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
        _NET_WM_WINDOW_TYPE_TOOLTIP = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_TOOLTIP", False);
        X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
                            PropModeReplace,
                            (unsigned char *)&_NET_WM_WINDOW_TYPE_TOOLTIP, 1);
    }

    // Allow the window to be deleted by the window manager
    data->wm_delete_message = X11_XInternAtom(display, "WM_DELETE_WINDOW", False);
    X11_XSetWMProtocols(display, data->window, &data->wm_delete_message, 1);
    data->wm_protocols = X11_XInternAtom(display, "WM_PROTOCOLS", False);

    if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_MENU || data->mode== SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP) {
        x = cx;
        y = cy;
        goto MOVEWINDOW;
    }
    if (windowdata) {
        XWindowAttributes attrib;
        Window dummy;

        X11_XGetWindowAttributes(display, windowdata->xwindow, &attrib);
        x = attrib.x + (attrib.width - data->window_width) / 2;
        y = attrib.y + (attrib.height - data->window_height) / 3;
        X11_XTranslateCoordinates(display, windowdata->xwindow, RootWindow(display, data->screen), x, y, &x, &y, &dummy);
    } else {
        const SDL_VideoDevice *dev = SDL_GetVideoDevice();
        if (dev && dev->displays && dev->num_displays > 0) {
            const SDL_VideoDisplay *dpy = dev->displays[0];
            const SDL_DisplayData *dpydata = dpy->internal;
            x = dpydata->x + ((dpy->current_mode->w - data->window_width) / 2);
            y = dpydata->y + ((dpy->current_mode->h - data->window_height) / 3);
        }
#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
        else if (SDL_GetHintBoolean(SDL_HINT_VIDEO_X11_XRANDR, use_xrandr_by_default) && data->xrandr) {
            XRRScreenResources *screen_res;
            XRRCrtcInfo *crtc_info;
            RROutput default_out;

            screen_res = X11_XRRGetScreenResourcesCurrent(display, root_win);
            if (!screen_res) {
                goto NOXRANDR;
            }

            default_out = X11_XRRGetOutputPrimary(display, root_win);
            if (default_out != None) {
                XRROutputInfo *out_info;

                out_info = X11_XRRGetOutputInfo(display, screen_res, default_out);
                if (out_info->connection != RR_Connected) {
                    X11_XRRFreeOutputInfo(out_info);
                    goto FIRSTOUTPUTXRANDR;
                }

                if (out_info->crtc != None) {
                    crtc_info = X11_XRRGetCrtcInfo(display, screen_res, out_info->crtc);
                } else if (out_info->ncrtc > 0) {
                    crtc_info = X11_XRRGetCrtcInfo(display, screen_res, out_info->crtcs[0]);
                } else {
                    crtc_info = NULL;
                }
                
                if (crtc_info) {
                    x = (crtc_info->width - data->window_width) / 2;
                    y = (crtc_info->height - data->window_height) / 3;
                    X11_XRRFreeOutputInfo(out_info);
                    X11_XRRFreeCrtcInfo(crtc_info);
                    X11_XRRFreeScreenResources(screen_res);
                } else {
                    X11_XRRFreeOutputInfo(out_info);
                    goto NOXRANDR;
                }
            } else {
                    FIRSTOUTPUTXRANDR:
                    if (screen_res->noutput > 0) {
                        XRROutputInfo *out_info;

                        out_info = X11_XRRGetOutputInfo(display, screen_res, screen_res->outputs[0]);
                        if (!out_info) {
                            goto FIRSTCRTCXRANDR;
                        }

                        if (out_info->crtc != None) {
                            crtc_info = X11_XRRGetCrtcInfo(display, screen_res, out_info->crtc);
                        } else if (out_info->ncrtc > 0) {
                            crtc_info = X11_XRRGetCrtcInfo(display, screen_res, out_info->crtcs[0]);
                        } else {
                            crtc_info = NULL;
                        }

                        if (!crtc_info) {
                            X11_XRRFreeOutputInfo(out_info);
                            goto FIRSTCRTCXRANDR;
                        }

                        x = (crtc_info->width - data->window_width) / 2;
                        y = (crtc_info->height - data->window_height) / 3;
                        X11_XRRFreeOutputInfo(out_info);
                        X11_XRRFreeCrtcInfo(crtc_info);
                        X11_XRRFreeScreenResources(screen_res);
                        goto MOVEWINDOW;
                    }

                    FIRSTCRTCXRANDR:
                    if (!screen_res->ncrtc) {
                        X11_XRRFreeScreenResources(screen_res);
                        goto NOXRANDR;
                    }

                    crtc_info = X11_XRRGetCrtcInfo(display, screen_res, screen_res->crtcs[0]);
                    if (crtc_info) {
                        x = (crtc_info->width - data->window_width) / 2;
                        y = (crtc_info->height - data->window_height) / 3;
                        X11_XRRFreeCrtcInfo(crtc_info);
                        X11_XRRFreeScreenResources(screen_res);
                    } else {
                        X11_XRRFreeScreenResources(screen_res);
                        goto NOXRANDR;
                    }
            }
        }
#endif
        else {
            // oh well. This will misposition on a multi-head setup. Init first next time.
            NOXRANDR:
            x = (DisplayWidth(display, data->screen) - data->window_width) / 2;
            y = (DisplayHeight(display, data->screen) - data->window_height) / 3;
        }
    }
    MOVEWINDOW:
    X11_XMoveWindow(display, data->window, x, y);
    data->window_x = x;
    data->window_y = y;

    sizehints = X11_XAllocSizeHints();
    if (sizehints) {
        sizehints->flags = USPosition | USSize | PMaxSize | PMinSize;
        sizehints->x = x;
        sizehints->y = y;
        sizehints->width = data->window_width;
        sizehints->height = data->window_height;

        sizehints->min_width = sizehints->max_width = data->window_width;
        sizehints->min_height = sizehints->max_height = data->window_height;

        X11_XSetWMNormalHints(display, data->window, sizehints);

        X11_XFree(sizehints);
    }

    X11_XMapRaised(display, data->window);

    data->drawable = data->window;
#ifdef SDL_VIDEO_DRIVER_X11_XDBE
    // Initialise a back buffer for double buffering
    if (SDL_X11_HAVE_XDBE && !data->pixmap) {
        int xdbe_major, xdbe_minor;
        if (X11_XdbeQueryExtension(display, &xdbe_major, &xdbe_minor) != 0) {
            data->xdbe = true;
            data->buf = X11_XdbeAllocateBackBufferName(display, data->window, XdbeUndefined);
            data->drawable = data->buf;
        } else {
            data->xdbe = false;
        }
    }
#endif

    X11Toolkit_InitWindowPixmap(data);

    SDL_zero(ctx_vals);
    ctx_vals.foreground = data->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].pixel;
    ctx_vals.background = data->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].pixel;
    if (!data->utf8) {
        gcflags |= GCFont;
        ctx_vals.font = data->font_struct->fid;
    }
    data->ctx = X11_XCreateGC(data->display, data->drawable, gcflags, &ctx_vals);
    if (data->ctx == None) {
        return SDL_SetError("Couldn't create graphics context");
    }

    data->close = false;
    data->key_control_esc = data->key_control_enter = NULL;
    if (!data->pixmap) {
        data->ev_scale = data->ev_iscale = 1;
    } else {
        data->ev_scale = data->scale;
        data->ev_iscale = data->iscale;
    }

#if SDL_GRAB
    if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_MENU || data->mode== SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP) {
        X11_XGrabPointer(display, data->window, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
        X11_XGrabKeyboard(display, data->window, False, GrabModeAsync, GrabModeAsync, CurrentTime);
    }
#endif

    return true;
}

static void X11Toolkit_DrawWindow(SDL_ToolkitWindowX11 *data) {
    SDL_Rect rect;
    int i;

#ifdef SDL_VIDEO_DRIVER_X11_XDBE
    if (SDL_X11_HAVE_XDBE && data->xdbe && !data->pixmap) {
        X11_XdbeBeginIdiom(data->display);
    }
#endif

    X11_XSetForeground(data->display, data->ctx, data->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].pixel);
    if (data->pixmap) {
        X11_XFillRectangle(data->display, data->drawable, data->ctx, 0, 0, data->pixmap_width, data->pixmap_height);
    } else {
        X11_XFillRectangle(data->display, data->drawable, data->ctx, 0, 0, data->window_width, data->window_height);
    }

    for (i = 0; i < data->controls_sz; i++) {
        SDL_ToolkitControlX11 *control;

        control = data->controls[i];
        if (control) {
            if (control->func_draw) {
                control->func_draw(control);
            }
        }
    }

#ifdef SDL_VIDEO_DRIVER_X11_XDBE
    if (SDL_X11_HAVE_XDBE && data->xdbe && !data->pixmap) {
        XdbeSwapInfo swap_info;
        swap_info.swap_window = data->window;
        swap_info.swap_action = XdbeUndefined;
        X11_XdbeSwapBuffers(data->display, &swap_info, 1);
        X11_XdbeEndIdiom(data->display);
    }
#endif

    if (data->pixmap) {
        SDL_Surface *scale_surface;

        rect.x = rect.y = 0;
        rect.w = data->window_width;
        rect.h = data->window_height;
#ifndef NO_SHARED_MEMORY
        if (data->shm) {
            if (data->shm_pixmap) {
                X11_XFlush(data->display);
                X11_XSync(data->display, false);
                scale_surface = SDL_CreateSurfaceFrom(data->pixmap_width, data->pixmap_height, X11_GetPixelFormatFromVisualInfo(data->display, &data->vi), data->shm_info.shmaddr, data->shm_bytes_per_line);
                SDL_BlitSurfaceScaled(scale_surface, NULL, scale_surface, &rect, SDL_SCALEMODE_LINEAR);
                SDL_DestroySurface(scale_surface);
                X11_XCopyArea(data->display, data->drawable, data->window, data->ctx, 0, 0, data->window_width, data->window_height, 0, 0);
            } else {
                X11_XShmGetImage(data->display, data->drawable, data->image, 0, 0, AllPlanes);
                scale_surface = SDL_CreateSurfaceFrom(data->pixmap_width, data->pixmap_height, X11_GetPixelFormatFromVisualInfo(data->display, &data->vi), data->image->data, data->image->bytes_per_line);
                SDL_BlitSurfaceScaled(scale_surface, NULL, scale_surface, &rect, SDL_SCALEMODE_LINEAR);
                X11_XShmPutImage(data->display, data->window, data->ctx, data->image, 0, 0, 0, 0, data->window_width, data->window_height, False);
            }
        } else
#endif
        {
            XImage *image;

            image = X11_XGetImage(data->display, data->drawable, 0, 0 , data->pixmap_width, data->pixmap_height, AllPlanes, ZPixmap);
            scale_surface = SDL_CreateSurfaceFrom(data->pixmap_width, data->pixmap_height, X11_GetPixelFormatFromVisualInfo(data->display, &data->vi), image->data, image->bytes_per_line);
            SDL_BlitSurfaceScaled(scale_surface, NULL, scale_surface, &rect, SDL_SCALEMODE_LINEAR);
            X11_XPutImage(data->display, data->window, data->ctx, image, 0, 0, 0, 0, data->window_width, data->window_height);

            XDestroyImage(image);
            SDL_DestroySurface(scale_surface);
        }
    }

    X11_XFlush(data->display);
}

static SDL_ToolkitControlX11 *X11Toolkit_GetControlMouseIsOn(SDL_ToolkitWindowX11 *data, int x, int y)
{
    int i;

    for (i = 0; i < data->controls_sz; i++) {
        SDL_Rect *rect = &data->controls[i]->rect;
        if ((x >= rect->x) &&
            (x <= (rect->x + rect->w)) &&
            (y >= rect->y) &&
            (y <= (rect->y + rect->h))) {
            return data->controls[i];
        }
    }

    return NULL;
}

// NOLINTNEXTLINE(readability-non-const-parameter): cannot make XPointer a const pointer due to typedef
static Bool X11Toolkit_EventTest(Display *display, XEvent *event, XPointer arg)
{
    SDL_ToolkitWindowX11 *data = (SDL_ToolkitWindowX11 *)arg;

    if (event->xany.display != data->display) {
        return False;
    }

    if (event->xany.window == data->window) {
        return True;
    }

    return False;
}

void X11Toolkit_ProcessWindowEvents(SDL_ToolkitWindowX11 *data, XEvent *e) {
    /* If X11_XFilterEvent returns True, then some input method has filtered the
        event, and the client should discard the event. */
    if ((e->type != Expose) && X11_XFilterEvent(e, None)) {
        return;
    }

    data->draw = false;
    data->e = e;

    switch (e->type) {
        case Expose:
            data->draw = true;
            break;
        case ClientMessage:
            if (e->xclient.message_type == data->wm_protocols &&
                e->xclient.format == 32 &&
                e->xclient.data.l[0] == data->wm_delete_message) {
                data->close = true;
            }
            break;
        case FocusIn:
            data->has_focus = true;
            break;
        case FocusOut:
            data->has_focus = false;
            if (data->fiddled_control) {
                data->fiddled_control->selected = false;
            }
            data->fiddled_control = NULL;
            for (data->ev_i = 0; data->ev_i < data->controls_sz; data->ev_i++) {
                data->controls[data->ev_i]->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
            }
            break;
        case MotionNotify:
            if (data->has_focus) {
                data->previous_control = data->fiddled_control;
                data->fiddled_control = X11Toolkit_GetControlMouseIsOn(data, SDL_lroundf((e->xbutton.x/ data->ev_scale)* data->ev_iscale), SDL_lroundf((e->xbutton.y/ data->ev_scale)* data->ev_iscale));
                if (data->previous_control) {
                    data->previous_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
                    if (data->previous_control->func_on_state_change) {
                        data->previous_control->func_on_state_change(data->previous_control);
                    }
                    data->draw = true;
                }
                if (data->fiddled_control) {
                    if (data->fiddled_control->dynamic) {
                        data->fiddled_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_HOVER;
                        if (data->fiddled_control->func_on_state_change) {
                            data->fiddled_control->func_on_state_change(data->fiddled_control);
                        }
                        data->draw = true;
                    } else {
                        data->fiddled_control = NULL;
                    }
                }
            }
            break;
        case ButtonPress:
            data->previous_control = data->fiddled_control;
            if (data->previous_control) {
                data->previous_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
                if (data->previous_control->func_on_state_change) {
                    data->previous_control->func_on_state_change(data->previous_control);
                }
                data->draw = true;
            }
            if (e->xbutton.button == Button1) {
                data->fiddled_control = X11Toolkit_GetControlMouseIsOn(data, SDL_lroundf((e->xbutton.x/ data->ev_scale)* data->ev_iscale), SDL_lroundf((e->xbutton.y/ data->ev_scale)* data->ev_iscale));
                if (data->fiddled_control) {
                    data->fiddled_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED_HELD;
                    if (data->fiddled_control->func_on_state_change) {
                        data->fiddled_control->func_on_state_change(data->fiddled_control);
                    }
                    data->draw = true;
                }
            }
            break;
        case ButtonRelease:
            if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_MENU || data->mode== SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP) {
                int cx;
                int cy;

                cx = e->xbutton.x;
                cy = e->xbutton.y;

                if (cy < 0 || cx < 0) {
                    data->close = true;
                }

                if (cy > data->window_height || cx > data->window_width) {
                    data->close = true;
                }
            }

            if ((e->xbutton.button == Button1) && (data->fiddled_control)) {
                SDL_ToolkitControlX11 *control;

                control = X11Toolkit_GetControlMouseIsOn(data, SDL_lroundf((e->xbutton.x/ data->ev_scale)* data->ev_iscale), SDL_lroundf((e->xbutton.y/ data->ev_scale)* data->ev_iscale));
                if (data->fiddled_control == control) {
                    data->fiddled_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED;
                    if (data->fiddled_control->func_on_state_change) {
                        data->fiddled_control->func_on_state_change(data->fiddled_control);
                    }
                    data->fiddled_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
                    data->draw = true;
                }
            }
            break;
        case KeyPress:
            data->last_key_pressed = X11_XLookupKeysym(&e->xkey, 0);

            if (data->last_key_pressed == XK_Escape) {
                for (data->ev_i = 0; data->ev_i < data->controls_sz; data->ev_i++) {
                    if(data->controls[data->ev_i]->is_default_esc) {
                        data->controls[data->ev_i]->state = SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED;
                        data->draw = true;
                        data->key_control_esc = data->controls[data->ev_i];
                    }
                }
            } else if ((data->last_key_pressed == XK_Return) || (data->last_key_pressed == XK_KP_Enter)) {
                for (data->ev_i = 0; data->ev_i < data->controls_sz; data->ev_i++) {
                    if(data->controls[data->ev_i]->selected) {
                        data->controls[data->ev_i]->state = SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED;
                        data->draw = true;
                        data->key_control_enter = data->controls[data->ev_i];
                    }
                }
            }
            break;
        case KeyRelease:
        {
            KeySym key = X11_XLookupKeysym(&e->xkey, 0);

            // If this is a key release for something we didn't get the key down for, then bail.
            if (key != data->last_key_pressed) {
                break;
            }

            if (key == XK_Escape) {
                if (data->key_control_esc) {
                    if (data->key_control_esc->func_on_state_change) {
                        data->key_control_esc->func_on_state_change(data->key_control_esc);
                    }
                }
            } else if ((key == XK_Return) || (key == XK_KP_Enter)) {
                if (data->key_control_enter) {
                    if (data->key_control_enter->func_on_state_change) {
                        data->key_control_enter->func_on_state_change(data->key_control_enter);
                    }
                }
            } else if (key == XK_Tab || key == XK_Left || key == XK_Right) {
                if (data->focused_control) {
                    data->focused_control->selected = false;
                }
                data->draw = true;
                for (data->ev_i = 0; data->ev_i < data->dyn_controls_sz; data->ev_i++) {
                    if (data->dyn_controls[data->ev_i] == data->focused_control) {
                        int next_index;

                        if (key == XK_Left) {
                            next_index = data->ev_i - 1;
                        } else {
                            next_index = data->ev_i + 1;
                        }
                        if ((next_index >= data->dyn_controls_sz) || (next_index < 0)) {
                            if (key == XK_Right || key == XK_Left) {
                                next_index = data->ev_i;
                            } else {
                                next_index = 0;
                            }
                        }
                        data->focused_control = data->dyn_controls[next_index];
                        data->focused_control->selected = true;
                        break;
                    }
                }
            }
            break;
        }
    }

    if (data->draw) {
        X11Toolkit_DrawWindow(data);
    }
}

void X11Toolkit_DoWindowEventLoop(SDL_ToolkitWindowX11 *data) {
   while (!data->close) {
        XEvent e;

        /* Process settings events */
        X11_XPeekEvent(data->display, &e);
        if (data->xsettings) {
            xsettings_client_process_event(data->xsettings, &e);
        }

        /* Do actual event loop */
        X11_XIfEvent(data->display, &e, X11Toolkit_EventTest, (XPointer)data);
        X11Toolkit_ProcessWindowEvents(data, &e);
    }
}


void X11Toolkit_ResizeWindow(SDL_ToolkitWindowX11 *data, int w, int h) {
    if (!data->pixmap) {
        data->window_width = w;
        data->window_height = h;
    } else {
        data->window_width = SDL_lroundf((w/data->iscale) * data->scale);
        data->window_height = SDL_lroundf((h/data->iscale) * data->scale);
        data->pixmap_width = w;
        data->pixmap_height = h;
        X11_XFreePixmap(data->display, data->drawable);
        X11Toolkit_InitWindowPixmap(data);
    }

    X11_XResizeWindow(data->display, data->window, data->window_width, data->window_height);
}

static void X11Toolkit_DestroyIconControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitIconControlX11 *icon_control;

    icon_control = (SDL_ToolkitIconControlX11 *)control;
    X11_XFreeFont(control->window->display, icon_control->icon_char_font);
    SDL_free(control);
}

static void X11Toolkit_DrawIconControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitIconControlX11 *icon_control;

    icon_control = (SDL_ToolkitIconControlX11 *)control;
    control->rect.w -= 2 * control->window->iscale;
    control->rect.h -= 2 * control->window->iscale;
    X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_bg_shadow.pixel);
    X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x + (2 * control->window->iscale), control->rect.y + (2* control->window->iscale), control->rect.w, control->rect.h, 0, 360 * 64);

    switch (icon_control->flags & (SDL_MESSAGEBOX_ERROR | SDL_MESSAGEBOX_WARNING | SDL_MESSAGEBOX_INFORMATION)) {
        case SDL_MESSAGEBOX_ERROR:
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_red_darker.pixel);
                X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x, control->rect.y, control->rect.w, control->rect.h, 0, 360 * 64);
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_red.pixel);
                X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x+(1* control->window->iscale), control->rect.y+(1* control->window->iscale), control->rect.w-(2* control->window->iscale), control->rect.h-(2* control->window->iscale), 0, 360 * 64);
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_white.pixel);
                break;
        case SDL_MESSAGEBOX_WARNING:
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_black.pixel);
                X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x, control->rect.y, control->rect.w, control->rect.h, 0, 360 * 64);
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_yellow.pixel);
                X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x+(1* control->window->iscale), control->rect.y+(1* control->window->iscale), control->rect.w-(2* control->window->iscale), control->rect.h-(2* control->window->iscale), 0, 360 * 64);
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_black.pixel);
                break;
        case SDL_MESSAGEBOX_INFORMATION:
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_white.pixel);
                X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x, control->rect.y, control->rect.w, control->rect.h, 0, 360 * 64);
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_blue.pixel);
                X11_XFillArc(control->window->display, control->window->drawable, control->window->ctx, control->rect.x+(1* control->window->iscale), control->rect.y+(1* control->window->iscale), control->rect.w-(2* control->window->iscale), control->rect.h-(2* control->window->iscale), 0, 360 * 64);
                X11_XSetForeground(control->window->display, control->window->ctx, icon_control->xcolor_white.pixel);
                break;
    }
    X11_XSetFont(control->window->display, control->window->ctx, icon_control->icon_char_font->fid);
    X11_XDrawString(control->window->display, control->window->drawable, control->window->ctx, control->rect.x + icon_control->icon_char_x, control->rect.y + icon_control->icon_char_y, &icon_control->icon_char, 1);
    if (!control->window->utf8) {
        X11_XSetFont(control->window->display, control->window->ctx, control->window->font_struct->fid);
    }

    control->rect.w += 2 * control->window->iscale;
    control->rect.h += 2 * control->window->iscale;
}

static void X11Toolkit_CalculateIconControl(SDL_ToolkitControlX11 *base_control) {
    SDL_ToolkitIconControlX11 *control;
    int icon_char_w;
    int icon_wh;

    control = (SDL_ToolkitIconControlX11 *)base_control;
    X11Toolkit_GetTextWidthHeightForFont(control->icon_char_font, &control->icon_char, 1, &icon_char_w, &control->icon_char_h, &control->icon_char_a, NULL);
    base_control->rect.w = icon_char_w;
    base_control->rect.h = control->icon_char_h;
    icon_wh = SDL_max(icon_char_w, control->icon_char_h) + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
    base_control->rect.w = icon_wh;
    base_control->rect.h = icon_wh;
    base_control->rect.y = 0;
    base_control->rect.x = 0;
    control->icon_char_y = control->icon_char_a + (base_control->rect.h - control->icon_char_h)/2;
    control->icon_char_x = (base_control->rect.w - icon_char_w)/2;
    base_control->rect.w += 2 * base_control->window->iscale;
    base_control->rect.h += 2 * base_control->window->iscale;
}

static void X11Toolkit_OnIconControlScaleChange(SDL_ToolkitControlX11 *base_control) {
    SDL_ToolkitIconControlX11 *control;
    char *font;

    control = (SDL_ToolkitIconControlX11 *)base_control;
    X11_XFreeFont(base_control->window->display, control->icon_char_font);
    SDL_asprintf(&font, g_IconFont, G_ICONFONT_SIZE * base_control->window->iscale);
    control->icon_char_font = X11_XLoadQueryFont(base_control->window->display, font);
    SDL_free(font);
    if (!control->icon_char_font) {
        SDL_asprintf(&font, g_ToolkitFontLatin1, G_TOOLKITFONT_SIZE * base_control->window->iscale);
        control->icon_char_font = X11_XLoadQueryFont(base_control->window->display, font);
        SDL_free(font);
    }
}

SDL_ToolkitControlX11 *X11Toolkit_CreateIconControl(SDL_ToolkitWindowX11 *window, SDL_MessageBoxFlags flags) {
    SDL_ToolkitIconControlX11 *control;
    SDL_ToolkitControlX11 *base_control;
    char *font;

    /* Create control struct */
    control = (SDL_ToolkitIconControlX11 *)SDL_malloc(sizeof(SDL_ToolkitIconControlX11));
    base_control = (SDL_ToolkitControlX11 *)control;
    if (!control) {
        SDL_SetError("Unable to allocate icon control structure");
        return NULL;
    }

    /* Fill out struct */
    base_control->window = window;
    base_control->func_draw = X11Toolkit_DrawIconControl;
    base_control->func_free = X11Toolkit_DestroyIconControl;
    base_control->func_on_state_change = NULL;
    base_control->func_calc_size = X11Toolkit_CalculateIconControl;
    base_control->func_on_scale_change = X11Toolkit_OnIconControlScaleChange;
    base_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
    base_control->selected = false;
    base_control->dynamic = false;
    base_control->is_default_enter = false;
    base_control->is_default_esc = false;
    control->flags = flags;

    /* Load font */
    SDL_asprintf(&font, g_IconFont, G_ICONFONT_SIZE * window->iscale);
    control->icon_char_font = X11_XLoadQueryFont(window->display, font);
    SDL_free(font);
    if (!control->icon_char_font) {
        SDL_asprintf(&font, g_ToolkitFontLatin1, G_TOOLKITFONT_SIZE * window->iscale);
        control->icon_char_font = X11_XLoadQueryFont(window->display, font);
        SDL_free(font);
        if (!control->icon_char_font) {
            SDL_free(control);
            return NULL;
        }
    }

    /* Set colors */
    switch (flags & (SDL_MESSAGEBOX_ERROR | SDL_MESSAGEBOX_WARNING | SDL_MESSAGEBOX_INFORMATION)) {
    case SDL_MESSAGEBOX_ERROR:
        control->icon_char = 'X';
        control->xcolor_white.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_white.red = 65535;
        control->xcolor_white.green = 65535;
        control->xcolor_white.blue = 65535;
        control->xcolor_red.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_red.red = 65535;
        control->xcolor_red.green = 0;
        control->xcolor_red.blue = 0;
        control->xcolor_red_darker.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_red_darker.red = 40535;
        control->xcolor_red_darker.green = 0;
        control->xcolor_red_darker.blue = 0;
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_white);
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_red);
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_red_darker);
        break;
    case SDL_MESSAGEBOX_WARNING:
        control->icon_char = '!';
        control->xcolor_black.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_black.red = 0;
        control->xcolor_black.green = 0;
        control->xcolor_black.blue = 0;
        control->xcolor_yellow.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_yellow.red = 65535;
        control->xcolor_yellow.green = 65535;
        control->xcolor_yellow.blue = 0;
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_black);
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_yellow);
        break;
    case SDL_MESSAGEBOX_INFORMATION:
        control->icon_char = 'i';
        control->xcolor_white.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_white.red = 65535;
        control->xcolor_white.green = 65535;
        control->xcolor_white.blue = 65535;
        control->xcolor_blue.flags = DoRed|DoGreen|DoBlue;
        control->xcolor_blue.red = 0;
        control->xcolor_blue.green = 0;
        control->xcolor_blue.blue = 65535;
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_white);
        X11_XAllocColor(window->display, window->cmap, &control->xcolor_blue);
        break;
    default:
        X11_XFreeFont(window->display, control->icon_char_font);
        SDL_free(control);
        return NULL;
    }
    control->xcolor_bg_shadow.flags = DoRed|DoGreen|DoBlue;
    if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red > 32896) {
        control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red - 12500, 0, 65535);
    } else if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red == 0) {
        control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red + 9000, 0, 65535);
    } else {
        control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red - 3000, 0, 65535);
    }

    if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green > 32896) {
        control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green - 12500, 0, 65535);
    } else if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green == 0) {
        control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green + 9000, 0, 65535);
    } else {
        control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green - 3000, 0, 65535);
    }

    if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue > 32896) {
        control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue - 12500, 0, 65535);
    } else if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue == 0) {
        control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue + 9000, 0, 65535);
    } else {
        control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue - 3000, 0, 65535);
    }
    X11_XAllocColor(window->display, window->cmap, &control->xcolor_bg_shadow);

    /* Sizing and positioning */
    X11Toolkit_CalculateIconControl(base_control);

    X11Toolkit_AddControlToWindow(window, base_control);
    return base_control;
}

bool X11Toolkit_NotifyControlOfSizeChange(SDL_ToolkitControlX11 *control) {
    if (control->func_calc_size) {
        control->func_calc_size(control);
        return true;
    } else {
        return false;
    }
}

static void X11Toolkit_CalculateButtonControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitButtonControlX11 *button_control;

    button_control = (SDL_ToolkitButtonControlX11 *)control;
    X11Toolkit_GetTextElementsRect(button_control->text, &button_control->text_rect);
    if (control->do_size) {
        control->rect.w = SDL_TOOLKIT_X11_ELEMENT_PADDING_3 * 2 * control->window->iscale + button_control->text_rect.w;
        control->rect.h = SDL_TOOLKIT_X11_ELEMENT_PADDING_3 * 2 * control->window->iscale + button_control->text_rect.h;
    }
    button_control->text_rect.x = (control->rect.w - button_control->text_rect.w)/2;
    button_control->text_rect.y = (control->rect.h - button_control->text_rect.h)/2;
}


static void X11Toolkit_DrawButtonControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitButtonControlX11 *button_control;

    button_control = (SDL_ToolkitButtonControlX11 *)control;

    X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor[SDL_MESSAGEBOX_COLOR_TEXT].pixel);
    /* Draw bevel */
    if (control->state == SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED || control->state == SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED_HELD) {
            X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_d.pixel);
            X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x, control->rect.y,
                                   control->rect.w, control->rect.h);

            X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_l2.pixel);
            X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x, control->rect.y,
                                   control->rect.w - (1* control->window->iscale), control->rect.h - (1* control->window->iscale));

            X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_l1.pixel);
            X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 1 * control->window->iscale, control->rect.y + 1 * control->window->iscale,
                                   control->rect.w - 3 * control->window->iscale, control->rect.h - 2 * control->window->iscale);

            X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].pixel);
            X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                               control->rect.x + 1 * control->window->iscale, control->rect.y + 1 * control->window->iscale,
                               control->rect.w - 3 * control->window->iscale, control->rect.h - 3 * control->window->iscale);

            X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_pressed.pixel);
            X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                               control->rect.x + 2 * control->window->iscale, control->rect.y + 2 * control->window->iscale,
                               control->rect.w - 4 * control->window->iscale, control->rect.h - 4 * control->window->iscale);
        } else {
            if (control->selected) {
                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_d.pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x, control->rect.y,
                                   control->rect.w, control->rect.h);

                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_l2.pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 1 * control->window->iscale, control->rect.y + 1 * control->window->iscale,
                                   control->rect.w - 3 * control->window->iscale, control->rect.h - 3 * control->window->iscale);

                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 2 * control->window->iscale, control->rect.y + 2 * control->window->iscale,
                                   control->rect.w - 4 * control->window->iscale, control->rect.h - 4 * control->window->iscale);

                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_l1.pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 2 * control->window->iscale, control->rect.y + 2 * control->window->iscale,
                                   control->rect.w - 5 * control->window->iscale, control->rect.h - 5 * control->window->iscale);

                X11_XSetForeground(control->window->display, control->window->ctx, (control->state == SDL_TOOLKIT_CONTROL_STATE_X11_HOVER) ? control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED].pixel : control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 3 * control->window->iscale, control->rect.y + 3 * control->window->iscale,
                                   control->rect.w - 6 * control->window->iscale, control->rect.h - 6 * control->window->iscale);
            } else {
                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_d.pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x, control->rect.y,
                                   control->rect.w, control->rect.h);

                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_l2.pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x, control->rect.y,
                                   control->rect.w - 1 * control->window->iscale, control->rect.h - 1 * control->window->iscale);

                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER].pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 1 * control->window->iscale, control->rect.y + 1 * control->window->iscale,
                                   control->rect.w - 2 * control->window->iscale, control->rect.h - 2 * control->window->iscale);

                X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor_bevel_l1.pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 1 * control->window->iscale, control->rect.y + 1 * control->window->iscale,
                                   control->rect.w - 3 * control->window->iscale, control->rect.h - 3 * control->window->iscale);

                X11_XSetForeground(control->window->display, control->window->ctx, (control->state == SDL_TOOLKIT_CONTROL_STATE_X11_HOVER) ? control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED].pixel : control->window->xcolor[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND].pixel);
                X11_XFillRectangle(control->window->display, control->window->drawable, control->window->ctx,
                                   control->rect.x + 2 * control->window->iscale, control->rect.y + 2 * control->window->iscale,
                                   control->rect.w - 4 * control->window->iscale, control->rect.h - 4 * control->window->iscale);
            }
        }

    X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor[SDL_MESSAGEBOX_COLOR_TEXT].pixel);
    X11Toolkit_DrawTextElements(control->window, button_control->text, control->rect.x + button_control->text_rect.x, control->rect.y + button_control->text_rect.y);
}

static void X11Toolkit_OnButtonControlStateChange(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitButtonControlX11 *button_control;

    button_control = (SDL_ToolkitButtonControlX11 *)control;
    if (button_control->cb && control->state == SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED) {
        button_control->cb(control, button_control->cb_data);
    }
}

static void X11Toolkit_DestroyButtonControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitButtonControlX11 *button_control;

    button_control = (SDL_ToolkitButtonControlX11 *)control;

    X11Toolkit_FreeTextElements(button_control->text);
    
    SDL_free(control);
}

SDL_ToolkitControlX11 *X11Toolkit_CreateButtonControl(SDL_ToolkitWindowX11 *window, const SDL_MessageBoxButtonData *data) {
    SDL_ToolkitButtonControlX11 *control;
    SDL_ToolkitControlX11 *base_control;

    control = (SDL_ToolkitButtonControlX11 *)SDL_malloc(sizeof(SDL_ToolkitButtonControlX11));
    base_control = (SDL_ToolkitControlX11 *)control;
    if (!control) {
        SDL_SetError("Unable to allocate button control structure");
        return NULL;
    }
    base_control->window = window;
    base_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
    base_control->func_calc_size = X11Toolkit_CalculateButtonControl;
    base_control->func_draw = X11Toolkit_DrawButtonControl;
    base_control->func_on_state_change = X11Toolkit_OnButtonControlStateChange;
    base_control->func_free = X11Toolkit_DestroyButtonControl;
    base_control->func_on_scale_change = NULL;
    base_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
    base_control->selected = false;
    base_control->dynamic = true;
    base_control->is_default_enter = false;
    base_control->is_default_esc = false;
    if (data->flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
        base_control->is_default_esc = true;
    }
    if (data->flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
        base_control->is_default_enter = true;
        base_control->selected = true;
    }
    control->cb = NULL;
    control->data = data;
#ifdef HAVE_FRIBIDI_H
    control->text = X11Toolkit_MakeTextElements(base_control->window, (char *)control->data->text, SDL_strlen(control->data->text), NULL);
#else 
    control->text = X11Toolkit_MakeTextElements(base_control->window, (char *)control->data->text, SDL_strlen(control->data->text));
#endif
    X11Toolkit_ShapeTextElements(base_control->window, control->text);
    
    base_control->do_size = true;
    X11Toolkit_CalculateButtonControl(base_control);
    base_control->do_size = false;

    X11Toolkit_AddControlToWindow(window, base_control);
    return base_control;
}

void X11Toolkit_RegisterCallbackForButtonControl(SDL_ToolkitControlX11 *control, void *data, void (*cb)(struct SDL_ToolkitControlX11 *, void *)) {
    SDL_ToolkitButtonControlX11 *button_control;

    button_control = (SDL_ToolkitButtonControlX11 *)control;
    button_control->cb_data = data;
    button_control->cb = cb;
}

const SDL_MessageBoxButtonData *X11Toolkit_GetButtonControlData(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitButtonControlX11 *button_control;

    button_control = (SDL_ToolkitButtonControlX11 *)control;
    return button_control->data;
}

void X11Toolkit_DestroyWindow(SDL_ToolkitWindowX11 *data) {
    int i;

    if (!data) {
        return;
    }

#if SDL_GRAB
    if (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_MENU || data->mode== SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP) {
        X11_XUngrabPointer(data->display, CurrentTime);
        X11_XUngrabKeyboard(data->display, CurrentTime);
    }
#endif

    for (i = 0; i < data->controls_sz; i++) {
        if (data->controls[i]->func_free) {
            data->controls[i]->func_free(data->controls[i]);
        }
    }
    SDL_free(data->controls);
    SDL_free(data->dyn_controls);

    if (data->popup_windows) {
        SDL_ListClear(&data->popup_windows);
    }

    if (data->pixmap) {
        X11_XFreePixmap(data->display, data->drawable);
    }

#ifndef NO_SHARED_MEMORY
    if (data->pixmap && data->shm) {
        X11_XShmDetach(data->display, &data->shm_info);
        if (!data->shm_pixmap) {
            XDestroyImage(data->image);
        }
        shmdt(data->shm_info.shmaddr);
    }
#endif

#ifdef X_HAVE_UTF8_STRING
    if (data->font_set) {
        X11_XFreeFontSet(data->display, data->font_set);
        data->font_set = NULL;
    }
#endif

    if (data->font_struct) {
        X11_XFreeFont(data->display, data->font_struct);
        data->font_struct = NULL;
    }

#ifdef SDL_VIDEO_DRIVER_X11_XDBE
    if (SDL_X11_HAVE_XDBE && data->xdbe && !data->pixmap) {
        X11_XdbeDeallocateBackBufferName(data->display, data->buf);
    }
#endif

    if (data->xsettings) {
        xsettings_client_destroy(data->xsettings);
    }

    X11_XFreeGC(data->display, data->ctx);

    if (data->display) {
        if (data->window != None) {
            X11_XWithdrawWindow(data->display, data->window, data->screen);
            X11_XDestroyWindow(data->display, data->window);
            data->window = None;
        }

        if (data->display_close) {
            X11_XCloseDisplay(data->display);
        }
        data->display = NULL;
    }

#if SDL_SET_LOCALE
    if (data->origlocale && (data->mode == SDL_TOOLKIT_WINDOW_MODE_X11_DIALOG)) {
        (void)setlocale(LC_ALL, data->origlocale);
        SDL_free(data->origlocale);
    }
#endif

#ifdef HAVE_FRIBIDI_H
    SDL_FriBidi_Destroy(data->fribidi);
#endif

#ifdef HAVE_LIBTHAI_H
    SDL_LibThai_Destroy(data->th);
#endif

    SDL_free(data);
}

static int X11Toolkit_CountLinesOfText(const char *text)
{
    int result = 0;
    while (text && *text) {
        const char *lf = SDL_strchr(text, '\n');
        result++; // even without an endline, this counts as a line.
        text = lf ? lf + 1 : NULL;
    }
    return result;
}

static void X11Toolkit_DrawLabelControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitLabelControlX11 *label_control;
    int i;

    label_control = (SDL_ToolkitLabelControlX11 *)control;
    X11_XSetForeground(control->window->display, control->window->ctx, control->window->xcolor[SDL_MESSAGEBOX_COLOR_TEXT].pixel);
    for (i = 0; i < label_control->sz; i++) {
        X11Toolkit_DrawTextElements(control->window, label_control->lines[i].text, control->rect.x + label_control->lines[i].rect.x, control->rect.y + label_control->lines[i].rect.y);
    }
}

static void X11Toolkit_DestroyLabelControl(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitLabelControlX11 *label_control;
    int i;

    label_control = (SDL_ToolkitLabelControlX11 *)control;
    for (i = 0; i < label_control->sz; i++) {
        X11Toolkit_FreeTextElements(label_control->lines[i].text);
    }
    SDL_free(label_control->lines);
    SDL_free(label_control);
}

static void X11Toolkit_CalculateLabelControl(SDL_ToolkitControlX11 *base_control) {
    SDL_ToolkitLabelControlX11 *control;
    int i;

    control = (SDL_ToolkitLabelControlX11 *)base_control;
    
    if (base_control->do_size) {
        base_control->rect.w = 0;
        base_control->rect.h = 0;
    }
    
    for (i = 0; i < control->sz; i++) {
        int font_h;
        
        font_h = X11Toolkit_GetTextElementsRect(control->lines[i].text, &control->lines[i].rect);
        
        if (base_control->do_size) {
            base_control->rect.w = SDL_max(base_control->rect.w, control->lines[i].rect.w);
        }
        
        if (i > 0) {
            control->lines[i].rect.y = font_h + control->lines[i - 1].rect.y;
        } else {
            control->lines[i].rect.y = 0;
        }
    }

#ifdef HAVE_FRIBIDI_H
    if (base_control->window->fribidi) {
        FriBidiParType first_ndn_dir;
        int last_ndn;
    
        first_ndn_dir = FRIBIDI_PAR_LTR;
        for (i = 0; i < control->sz; i++) {
            if (control->lines[i].par != FRIBIDI_PAR_ON) {
                first_ndn_dir = control->lines[i].par;
            }
        }

        last_ndn = -1;
        for (i = 0; i < control->sz; i++) {
            switch (control->lines[i].par) {
                case FRIBIDI_PAR_LTR:
                    control->lines[i].rect.x = 0;
                    last_ndn = i;
                    break;
                case FRIBIDI_PAR_RTL:
                    control->lines[i].rect.x = base_control->rect.w - control->lines[i].rect.w;
                    last_ndn = i;
                    break;
                default:
                    if (last_ndn != -1) {
                        if (control->lines[last_ndn].par == FRIBIDI_PAR_RTL) {
                            control->lines[i].rect.x = base_control->rect.w - control->lines[i].rect.w;
                        } else {
                            control->lines[i].rect.x = 0;
                        }
                    } else {
                        if (first_ndn_dir == FRIBIDI_PAR_RTL) {
                            control->lines[i].rect.x = base_control->rect.w - control->lines[i].rect.w;
                        } else {
                            control->lines[i].rect.x = 0;
                        }
                    }
            }
        }
    }
#endif
    
    if (base_control->do_size && control->sz) {
        base_control->rect.h = control->lines[control->sz - 1].rect.y + control->lines[control->sz - 1].rect.h;
    }
}

SDL_ToolkitControlX11 *X11Toolkit_CreateLabelControl(SDL_ToolkitWindowX11 *window, char *utf8) {
    SDL_ToolkitLabelControlX11 *control;
    SDL_ToolkitControlX11 *base_control;
    int i;
    
    if (!utf8) {
        return NULL;
    }
 
    if (!SDL_strcmp(utf8, "")) {
        return NULL;
    }   
    control = (SDL_ToolkitLabelControlX11 *)SDL_malloc(sizeof(SDL_ToolkitLabelControlX11));
    base_control = (SDL_ToolkitControlX11 *)control;
    if (!control) {
        SDL_SetError("Unable to allocate label control structure");
        return NULL;
    }
    base_control->window = window;
    base_control->func_draw = X11Toolkit_DrawLabelControl;
    base_control->func_on_state_change = NULL;
    base_control->func_calc_size = X11Toolkit_CalculateLabelControl;
    base_control->func_free  = X11Toolkit_DestroyLabelControl;
    base_control->func_on_scale_change = NULL;
    base_control->state = SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL;
    base_control->selected = false;
    base_control->dynamic = false;
    base_control->rect.w = 0;
    base_control->rect.h = 0;
    base_control->is_default_enter = false;
    base_control->is_default_esc = false;
    
    control->sz = X11Toolkit_CountLinesOfText(utf8);
    control->lines = SDL_calloc(control->sz, sizeof(SDL_ToolkitLabelControlLineX11));
    for (i = 0; i < control->sz; i++) {
        const char *lf = SDL_strchr(utf8, '\n');
        const int length = lf ? (lf - utf8) : SDL_strlen(utf8);
        int sz;
        
        sz = length;
        if (lf && (lf > utf8) && (lf[-1] == '\r')) {
            sz--;
        }

#ifdef HAVE_FRIBIDI_H
        control->lines[i].text = X11Toolkit_MakeTextElements(base_control->window, (char *)utf8, sz, &control->lines[i].par);
#else 
        control->lines[i].text = X11Toolkit_MakeTextElements(base_control->window, (char *)utf8, sz);
#endif
        X11Toolkit_ShapeTextElements(base_control->window, control->lines[i].text);

        utf8 += length + 1;
        if (!lf) {
            break;
        }
    }

    base_control->do_size = true;
    X11Toolkit_CalculateLabelControl(base_control);
    base_control->do_size = false;
    X11Toolkit_AddControlToWindow(window, base_control);

    return base_control;
}

int X11Toolkit_GetLabelControlFirstLineHeight(SDL_ToolkitControlX11 *control) {
    SDL_ToolkitLabelControlX11 *label_control;

    label_control = (SDL_ToolkitLabelControlX11 *)control;

    return label_control->lines[0].rect.h;
}

void X11Toolkit_SignalWindowClose(SDL_ToolkitWindowX11 *data) {
    data->close = true;
}

#endif // SDL_VIDEO_DRIVER_X11
