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ufraw_delete.c

/*
 * UFRaw - Unidentified Flying Raw converter for digital camera images
 *
 * ufraw_delete.c - The GUI for choosing what files to delete.
 * Copyright 2004-2011 by Udi Fuchs
 *
 * 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.
 */

#include "ufraw.h"
#include <string.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>

// Response can be any unique positive integer
#define UFRAW_RESPONSE_DELETE_SELECTED 1
#define UFRAW_RESPONSE_DELETE_ALL 2

long ufraw_delete(void *widget, ufraw_data *uf)
{
    if (!g_file_test(uf->filename, G_FILE_TEST_EXISTS)) {
        char *ufile = g_filename_display_name(uf->filename);
        ufraw_message(UFRAW_ERROR, _("Raw file '%s' missing."), ufile);
        g_free(ufile);
        return UFRAW_ERROR;
    }
    GtkDialog *dialog = GTK_DIALOG(gtk_dialog_new_with_buttons(
                                       _("Delete raw file"), GTK_WINDOW(gtk_widget_get_toplevel(widget)),
                                       GTK_DIALOG_DESTROY_WITH_PARENT,
                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                       _("_Delete selected"), UFRAW_RESPONSE_DELETE_SELECTED,
                                       _("Delete _All"), UFRAW_RESPONSE_DELETE_ALL, NULL));
    gtk_dialog_set_default_response(dialog, GTK_RESPONSE_CANCEL);

    GtkBox *box = GTK_BOX(dialog->vbox);
    GtkWidget *label = gtk_label_new(_("Select files to delete"));
    gtk_box_pack_start(box, label, FALSE, FALSE, 0);

    char *path = g_path_get_dirname(uf->filename);
    GDir *dir = g_dir_open(path, 0, NULL);
    if (dir == NULL) {
        char *upath = g_filename_display_name(path);
        ufraw_message(UFRAW_ERROR, _("Error reading directory '%s'."), upath);
        g_free(upath);
        g_free(path);
        return UFRAW_ERROR;
    }
    g_free(path);

    char *dirname = g_path_get_dirname(uf->filename);
    char *base = g_path_get_basename(uf->filename);
    if (strcmp(base, uf->filename) == 0) {
        // Handle empty dirname
        g_free(dirname);
        dirname = g_strdup("");
    }
    char *rawBase = uf_file_set_type(base, ".");
    int rawBaseLen = strlen(rawBase);
    GList *buttonList = NULL;
    GList *fileList = NULL;

    // Check button for raw file
    char *ufile = g_filename_display_name(uf->filename);
    GtkWidget *button = gtk_check_button_new_with_label(ufile);
    buttonList = g_list_append(buttonList, button);
    g_free(ufile);
    gtk_box_pack_start(box, button, FALSE, FALSE, 0);
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
    fileList = g_list_append(fileList, g_strdup(uf->filename));

    // Check buttons for associated files
    const char *file;
    while ((file = g_dir_read_name(dir)) != NULL) {
        if (strncmp(file, rawBase, rawBaseLen) == 0 &&
                strcmp(file, base) != 0) {
            char *filename = g_build_filename(dirname, file, NULL);
            char *ufile = g_filename_display_name(filename);
            button = gtk_check_button_new_with_label(ufile);
            buttonList = g_list_append(buttonList, button);
            g_free(ufile);
            gtk_box_pack_start(box, button, FALSE, FALSE, 0);
            gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
            fileList = g_list_append(fileList, filename);
        }
    }
    g_dir_close(dir);
    gtk_widget_show_all(GTK_WIDGET(dialog));
    long response = gtk_dialog_run(dialog);

    long status = UFRAW_CANCEL;
    /* Delete files as needed */
    while (fileList != NULL) {
        if (response == UFRAW_RESPONSE_DELETE_ALL ||
                (response == UFRAW_RESPONSE_DELETE_SELECTED &&
                 gtk_toggle_button_get_active(
                     GTK_TOGGLE_BUTTON(buttonList->data)))) {
            if (g_unlink(fileList->data) != 0) {
                char *ufile = g_filename_display_name(fileList->data);
                ufraw_message(UFRAW_ERROR, _("Error deleting '%s'"), ufile);
                g_free(ufile);
            } else if (strcmp(fileList->data, uf->filename) == 0) {
                /* Success means deleting the raw file */
                status = UFRAW_SUCCESS;
            }
        }
        g_free(fileList->data);
        fileList = g_list_next(fileList);
        buttonList = g_list_next(buttonList);
    }
    g_list_free(fileList);
    g_list_free(buttonList);
    g_free(base);
    g_free(dirname);
    gtk_widget_destroy(GTK_WIDGET(dialog));
    return status;
}

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