/* setstyle.c - loads style related options to wmaker
 *
 *  WindowMaker window manager
 *
 *  Copyright (c) 1997-2003 Alfredo K. Kojima
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 *  USA.
 */


#define PROG_VERSION "setstyle (Window Maker) 0.6"

#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <X11/Xlib.h>
#include <WINGs/WUtil.h>



#include "../src/wconfig.h"

#define MAX_OPTIONS 128

char *FontOptions[] = {
    "IconTitleFont",
    "ClipTitleFont",
    "DisplayFont",
    "LargeDisplayFont",
    "MenuTextFont",
    "MenuTitleFont",
    "WindowTitleFont",
    NULL
};

char *CursorOptions[] = {
    "NormalCursor",
    "ArrowCursor",
    "MoveCursor",
    "ResizeCursor",
    "TopLeftResizeCursor",
    "TopRightResizeCursor",
    "BottomLeftResizeCursor",
    "BottomRightResizeCursor",
    "VerticalResizeCursor",
    "HorizontalResizeCursor",
    "WaitCursor",
    "QuestionCursor",
    "TextCursor",
    "SelectCursor",
    NULL
};



char *ProgName;
int ignoreFonts = 0;
int ignoreCursors = 0;

Display *dpy;

extern char* convertFont(char *font, Bool keepXLFD);

WMPropList *readBlackBoxStyle(char *path);


static Bool
isCursorOption(char *option)
{
    int i;

    for (i=0; CursorOptions[i]!=NULL; i++) {
        if (strcasecmp(option, CursorOptions[i])==0) {
            return True;
        }
    }

    return False;
}


static Bool
isFontOption(char *option)
{
    int i;

    for (i=0; FontOptions[i]!=NULL; i++) {
        if (strcasecmp(option, FontOptions[i])==0) {
            return True;
        }
    }

    return False;
}


char*
defaultsPathForDomain(char *domain)
{
    static char path[1024];
    char *gspath;

    gspath = getenv("GNUSTEP_USER_ROOT");
    if (gspath) {
        strcpy(path, gspath);
        strcat(path, "/");
    } else {
        char *home;

        home = getenv("HOME");
        if (!home) {
            printf("%s:could not get HOME environment variable!\n", ProgName);
            exit(0);
        }

        strcpy(path, home);
        strcat(path, "/GNUstep/");
    }
    strcat(path, DEFAULTS_DIR);
    strcat(path, "/");
    strcat(path, domain);

    return path;
}



void
hackPathInTexture(WMPropList *texture, char *prefix)
{
    WMPropList *type;
    char *t;

    /* get texture type */
    type = WMGetFromPLArray(texture, 0);
    t = WMGetFromPLString(type);
    if (t == NULL)
        return;
    if (strcasecmp(t, "tpixmap")==0
        || strcasecmp(t, "spixmap")==0
        || strcasecmp(t, "mpixmap")==0
        || strcasecmp(t, "cpixmap")==0
        || strcasecmp(t, "tvgradient")==0
        || strcasecmp(t, "thgradient")==0
        || strcasecmp(t, "tdgradient")==0) {
        WMPropList *file;
        char buffer[4018];

        /* get pixmap file path */
        file = WMGetFromPLArray(texture, 1);
        sprintf(buffer, "%s/%s", prefix, WMGetFromPLString(file));
        /* replace path with full path */
        WMDeleteFromPLArray(texture, 1);
        WMInsertInPLArray(texture, 1, WMCreatePLString(buffer));
    } else if (strcasecmp(t, "bitmap") == 0) {
        WMPropList *file;
        char buffer[4018];

        /* get bitmap file path */
        file = WMGetFromPLArray(texture, 1);
        sprintf(buffer, "%s/%s", prefix, WMGetFromPLString(file));
        /* replace path with full path */
        WMDeleteFromPLArray(texture, 1);
        WMInsertInPLArray(texture, 1, WMCreatePLString(buffer));

        /* get mask file path */
        file = WMGetFromPLArray(texture, 2);
        sprintf(buffer, "%s/%s", prefix, WMGetFromPLString(file));
        /* replace path with full path */
        WMDeleteFromPLArray(texture, 2);
        WMInsertInPLArray(texture, 2, WMCreatePLString(buffer));
    }
}


void
hackPaths(WMPropList *style, char *prefix)
{
    WMPropList *keys;
    WMPropList *key;
    WMPropList *value;
    int i;


    keys = WMGetPLDictionaryKeys(style);

    for (i = 0; i < WMGetPropListItemCount(keys); i++) {
        key = WMGetFromPLArray(keys, i);

        value = WMGetFromPLDictionary(style, key);
        if (!value)
            continue;

        if (strcasecmp(WMGetFromPLString(key), "WorkspaceSpecificBack")==0) {
            if (WMIsPLArray(value)) {
                int j;
                WMPropList *texture;

                for (j = 0; j < WMGetPropListItemCount(value); j++) {
                    texture = WMGetFromPLArray(value, j);

                    if (texture && WMIsPLArray(texture)
                        && WMGetPropListItemCount(texture) > 2) {

                        hackPathInTexture(texture, prefix);
                    }
                }
            }
        } else {

            if (WMIsPLArray(value) && WMGetPropListItemCount(value) > 2) {

                hackPathInTexture(value, prefix);
            }
        }
    }

}


static WMPropList*
getColor(WMPropList *texture)
{
    WMPropList *value, *type;
    char *str;

    type = WMGetFromPLArray(texture, 0);
    if (!type)
        return NULL;

    value = NULL;

    str = WMGetFromPLString(type);
    if (strcasecmp(str, "solid")==0) {
        value = WMGetFromPLArray(texture, 1);
    } else if (strcasecmp(str, "dgradient")==0
               || strcasecmp(str, "hgradient")==0
               || strcasecmp(str, "vgradient")==0) {
        WMPropList *c1, *c2;
        int r1, g1, b1, r2, g2, b2;
        char buffer[32];

        c1 = WMGetFromPLArray(texture, 1);
        c2 = WMGetFromPLArray(texture, 2);
        if (!dpy) {
            if (sscanf(WMGetFromPLString(c1), "#%2x%2x%2x", &r1, &g1, &b1)==3
                && sscanf(WMGetFromPLString(c2), "#%2x%2x%2x", &r2, &g2, &b2)==3) {
                sprintf(buffer, "#%02x%02x%02x", (r1+r2)/2, (g1+g2)/2,
                        (b1+b2)/2);
                value = WMCreatePLString(buffer);
            } else {
                value = c1;
            }
        } else {
            XColor color1;
            XColor color2;

            XParseColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)),
                        WMGetFromPLString(c1), &color1);
            XParseColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)),
                        WMGetFromPLString(c2), &color2);

            sprintf(buffer, "#%02x%02x%02x",
                    (color1.red+color2.red)>>9,
                    (color1.green+color2.green)>>9,
                    (color1.blue+color2.blue)>>9);
            value = WMCreatePLString(buffer);
        }
    } else if (strcasecmp(str, "mdgradient")==0
               || strcasecmp(str, "mhgradient")==0
               || strcasecmp(str, "mvgradient")==0) {

        value = WMGetFromPLArray(texture, 1);

    } else if (strcasecmp(str, "tpixmap")==0
               || strcasecmp(str, "cpixmap")==0
               || strcasecmp(str, "spixmap")==0) {

        value = WMGetFromPLArray(texture, 2);
    }

    return value;
}


/*
 * since some of the options introduce incompatibilities, we will need
 * to do a kluge here or the themes ppl will get real annoying.
 * So, treat for the absence of the following options:
 * IconTitleColor
 * IconTitleBack
 */
void
hackStyle(WMPropList *style)
{
    WMPropList *keys, *tmp;
    int foundIconTitle = 0, foundResizebarBack = 0;
    int i;

    keys = WMGetPLDictionaryKeys(style);

    for (i = 0; i < WMGetPropListItemCount(keys); i++) {
        char *str;

        tmp = WMGetFromPLArray(keys, i);
        str = WMGetFromPLString(tmp);
        if (str) {
            if (ignoreFonts && isFontOption(str)) {
                WMRemoveFromPLDictionary(style, tmp);
                continue;
            }
            if (ignoreCursors && isCursorOption(str)) {
                WMRemoveFromPLDictionary(style, tmp);
                continue;
            }
            if (isFontOption(str)) {
                WMPropList *value;
                char *newfont, *oldfont;

                value = WMGetFromPLDictionary(style, tmp);
                if (value) {
                    oldfont = WMGetFromPLString(value);
                    newfont = convertFont(oldfont, False);
                    if (newfont != oldfont) {
                        value = WMCreatePLString(newfont);
                        WMPutInPLDictionary(style, tmp, value);
                        WMReleasePropList(value);
                        wfree(newfont);
                    }
                }
            }
            if (strcasecmp(str, "IconTitleColor")==0
                || strcasecmp(str, "IconTitleBack")==0) {
                foundIconTitle = 1;
            } else if (strcasecmp(str, "ResizebarBack")==0) {
                foundResizebarBack = 1;
            }
        }
    }

    if (!foundIconTitle) {
        /* set the default values */
        tmp = WMGetFromPLDictionary(style, WMCreatePLString("FTitleColor"));
        if (tmp) {
            WMPutInPLDictionary(style, WMCreatePLString("IconTitleColor"),
                                tmp);
        }

        tmp = WMGetFromPLDictionary(style, WMCreatePLString("FTitleBack"));
        if (tmp) {
            WMPropList *value;

            value = getColor(tmp);

            if (value) {
                WMPutInPLDictionary(style, WMCreatePLString("IconTitleBack"),
                                    value);
            }
        }
    }

    if (!foundResizebarBack) {
        /* set the default values */
        tmp = WMGetFromPLDictionary(style, WMCreatePLString("UTitleBack"));
        if (tmp) {
            WMPropList *value;

            value = getColor(tmp);

            if (value) {
                WMPropList *t;

                t = WMCreatePLArray(WMCreatePLString("solid"), value,
                                    NULL);
                WMPutInPLDictionary(style, WMCreatePLString("ResizebarBack"),
                                    t);
            }
        }
    }


    if (!WMGetFromPLDictionary(style, WMCreatePLString("MenuStyle"))) {
        WMPutInPLDictionary(style, WMCreatePLString("MenuStyle"),
                            WMCreatePLString("normal"));
    }
}


void
print_help()
{
    printf("Usage: %s [OPTIONS] FILE\n", ProgName);
    puts("Reads style/theme configuration from FILE and updates Window Maker.");
    puts("");
    puts("  --no-fonts          ignore font related options");
    puts("  --no-cursors        ignore cursor related options");
    puts("  --ignore <option>   ignore changes in the specified option");
    puts("  --help              display this help and exit");
    /*
     puts("  --format <format>   specifies the format of the theme to be converted");
     */
    puts("  --version           output version information and exit");
    /*puts("");
     puts("Supported formats: blackbox");*/
}


#define F_BLACKBOX	1

int
main(int argc, char **argv)
{
    WMPropList *prop, *style;
    char *path;
    char *file = NULL;
    struct stat statbuf;
    int i;
    int ignoreCount = 0;
    char *ignoreList[MAX_OPTIONS];

    dpy = XOpenDisplay("");

    ProgName = argv[0];

    if (argc<2) {
        printf("%s: missing argument\n", ProgName);
        printf("Try '%s --help' for more information\n", ProgName);
        exit(1);
    }

    for (i = 1; i < argc; i++) {
        if (strcmp("--ignore", argv[i])==0) {
            i++;
            if (i == argc) {
                printf("%s: missing argument for option --ignore\n", ProgName);
                exit(1);
            }
            ignoreList[ignoreCount++] = argv[i];

        } else if (strcmp("--no-fonts", argv[i])==0) {
            ignoreFonts = 1;
        } else if (strcmp("--no-cursors", argv[i])==0) {
            ignoreCursors = 1;
        } else if (strcmp("--version", argv[i])==0) {
            puts(PROG_VERSION);
            exit(0);
        } else if (strcmp("--help", argv[i])==0) {
            print_help();
            exit(0);
#if 0
        } else if (strcmp("--format", argv[i])==0) {
            i++;
            if (i == argc) {
                printf("%s: missing argument for option --format\n", ProgName);
                exit(1);
            }
            if (strcasecmp(argv[i], "blackbox")==0) {
                format = F_BLACKBOX;
            } else {
                printf("%s: unknown theme format '%s'\n", ProgName, argv[i]);
                exit(1);
            }
#endif
        } else {
            if (file) {
                printf("%s: invalid argument '%s'\n", ProgName, argv[i]);
                printf("Try '%s --help' for more information\n", ProgName);
                exit(1);
            }
            file = argv[i];
        }
    }

    WMPLSetCaseSensitive(False);

    path = defaultsPathForDomain("WindowMaker");

    prop = WMReadPropListFromFile(path);
    if (!prop) {
        perror(path);
        printf("%s:could not load WindowMaker configuration file.\n",
               ProgName);
        exit(1);
    }

    if (stat(file, &statbuf) < 0) {
        perror(file);
        exit(1);
    }
#if 0
    if (format == F_BLACKBOX) {
        style = readBlackBoxStyle(file);
        if (!style) {
            printf("%s: could not open style file\n", ProgName);
            exit(1);
        }
    } else
#endif
    {
        if (S_ISDIR(statbuf.st_mode)) {
            char buffer[4018];
            char *prefix;
            /* theme pack */

            if (*argv[argc-1] != '/') {
                if (!getcwd(buffer, 4000)) {
                    printf("%s: complete path for %s is too long\n", ProgName,
                           file);
                    exit(1);
                }
                if (strlen(buffer) + strlen(file) > 4000) {
                    printf("%s: complete path for %s is too long\n", ProgName,
                           file);
                    exit(1);
                }
                strcat(buffer, "/");
            } else {
                buffer[0] = 0;
            }
            strcat(buffer, file);

            prefix = malloc(strlen(buffer)+10);
            if (!prefix) {
                printf("%s: out of memory\n", ProgName);
                exit(1);
            }
            strcpy(prefix, buffer);

            strcat(buffer, "/style");

            style = WMReadPropListFromFile(buffer);
            if (!style) {
                perror(buffer);
                printf("%s:could not load style file.\n", ProgName);
                exit(1);
            }

            hackPaths(style, prefix);
            free(prefix);
        } else {
            /* normal style file */

            style = WMReadPropListFromFile(file);
            if (!style) {
                perror(file);
                printf("%s:could not load style file.\n", ProgName);
                exit(1);
            }
        }
    }

    if (!WMIsPLDictionary(style)) {
        printf("%s: '%s' is not a style file/theme\n", ProgName, file);
        exit(1);
    }

    hackStyle(style);

    if (ignoreCount > 0) {
        for (i = 0; i < ignoreCount; i++) {
            WMRemoveFromPLDictionary(style, WMCreatePLString(ignoreList[i]));
        }
    }

    WMMergePLDictionaries(prop, style, True);

    WMWritePropListToFile(prop, path, True);
    {
        XEvent ev;

        if (dpy) {
            int i;
            char *msg = "Reconfigure";

            memset(&ev, 0, sizeof(XEvent));

            ev.xclient.type = ClientMessage;
            ev.xclient.message_type = XInternAtom(dpy, "_WINDOWMAKER_COMMAND",
                                                  False);
            ev.xclient.window = DefaultRootWindow(dpy);
            ev.xclient.format = 8;

            for (i = 0; i <= strlen(msg); i++) {
                ev.xclient.data.b[i] = msg[i];
            }
            XSendEvent(dpy, DefaultRootWindow(dpy), False,
                       SubstructureRedirectMask, &ev);
            XFlush(dpy);
        }
    }

    exit(0);
}


#if 0
char*
getToken(char *str, int i, char *buf)
{

}


static WMPropList*
readBlackBoxStyle(char *path)
{
    FILE *f;
    char buffer[128], char token[128];
    WMPropList *style, *p;

    f = fopen(path, "rb");
    if (!f) {
        perror(path);
        return NULL;
    }

    while (1) {
        if (!fgets(buffer, 127, f))
            break;

        if (strncasecmp(buffer, "menu.title:", 11)==0) {

        }
    }
}
#endif



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