src/plugins/litehtml_viewer/lh_prefs.c

   1 /*
   2  * Claws Mail -- A GTK based, lightweight, and fast e-mail client
   3  * Copyright(C) 2019 the Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write tothe Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  */
  17
  18 #ifdef HAVE_CONFIG_H
  19 #include "config.h"
  20 #include "claws-features.h"
  21 #endif
  22
  23 #include <glib.h>
  24 #include <glib/gi18n.h>
  25
  26 #include "prefs_gtk.h"
  27 #include "common/defs.h"
  28 #include "common/utils.h"
  29 #include "gtk/gtkutils.h"
  30
  31 #include "lh_prefs.h"
  32
  33 #define PREFS_BLOCK_NAME "LiteHTML"
  34
  35 static void create_lh_prefs_page(PrefsPage *page, GtkWindow *window,
  36                 gpointer data);
  37 static void destroy_lh_prefs_page(PrefsPage *page);
  38 static void save_lh_prefs_page(PrefsPage *page);
  39 static void save_prefs(void);
  40
  41 LHPrefs lh_prefs;
  42
  43 struct _LHPrefsPage {
  44         PrefsPage page;
  45         GtkWidget *enable_remote_content;
  46         GtkWidget *image_cache_size;
  47         GtkWidget *default_font;
  48 };
  49 typedef struct _LHPrefsPage LHPrefsPage;
  50
  51 static PrefParam param[] = {
  52         { "enable_remote_content", "FALSE", &lh_prefs.enable_remote_content, P_BOOL,
  53                 NULL, NULL, NULL },
  54         { "image_cache_size", "20", &lh_prefs.image_cache_size, P_INT,
  55                 NULL, NULL, NULL },
  56         { "default_font", "Sans 16", &lh_prefs.default_font, P_STRING,
  57                 NULL, NULL, NULL },
  58         { NULL, NULL, NULL, 0, NULL, NULL, NULL }
  59 };
  60
  61 static LHPrefsPage lh_prefs_page;
  62
  63 LHPrefs *lh_prefs_get(void)
  64 {
  65         return &lh_prefs;
  66 }
  67
  68 void lh_prefs_init(void)
  69 {
  70         static gchar *path[3];
  71         gchar *rcpath;
  72
  73         path[0] = _("Plugins");
  74         path[1] = "LiteHTML";
  75         path[2] = NULL;
  76
  77         prefs_set_default(param);
  78         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
  79         prefs_read_config(param, PREFS_BLOCK_NAME, rcpath, NULL);
  80         g_free(rcpath);
  81
  82         lh_prefs_page.page.path = path;
  83         lh_prefs_page.page.create_widget = create_lh_prefs_page;
  84         lh_prefs_page.page.destroy_widget = destroy_lh_prefs_page;
  85         lh_prefs_page.page.save_page = save_lh_prefs_page;
  86         lh_prefs_page.page.weight = 30.0;
  87         prefs_gtk_register_page((PrefsPage *) &lh_prefs_page);
  88 }
  89
  90 void lh_prefs_done(void)
  91 {
  92         prefs_gtk_unregister_page((PrefsPage *) &lh_prefs_page);
  93 }
  94
  95 static void create_lh_prefs_page(PrefsPage *page, GtkWindow *window,
  96                 gpointer data)
  97 {
  98         LHPrefsPage *prefs_page = (LHPrefsPage *)page;
  99         GtkWidget *vbox;
 100         GtkWidget *vbox_remote;
 101         GtkWidget *hbox;
 102         GtkWidget *frame;
 103         GtkWidget *label;
 104         GtkWidget *enable_remote_content;
 105         GtkWidget *image_cache_size;
 106         GtkWidget *default_font;
 107         GtkAdjustment *adj;
 108
 109         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 3);
 110         gtk_container_set_border_width(GTK_CONTAINER(vbox), VBOX_BORDER);
 111         gtk_widget_show(vbox);
 112
 113         /* Enable remote content */
 114         vbox_remote = gtkut_get_options_frame(vbox, &frame, _("Remote resources"));
 115
 116         label = gtk_label_new(_("Loading remote resources can lead to some privacy issues.\n"
 117                                 "When remote content loading is disabled, nothing will be requested\n"
 118                                 "from the network."));
 119         gtk_label_set_xalign(GTK_LABEL(label),0);
 120         gtk_label_set_yalign(GTK_LABEL(label),0);
 121
 122         enable_remote_content = gtk_check_button_new_with_label(_("Enable loading of remote content"));
 123         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enable_remote_content),
 124                         lh_prefs.enable_remote_content);
 125
 126         gtk_box_pack_start(GTK_BOX(vbox_remote), label, FALSE, FALSE, 0);
 127         gtk_box_pack_start(GTK_BOX(vbox_remote), enable_remote_content, FALSE, FALSE, 0);
 128         gtk_widget_show_all(vbox_remote);
 129
 130         /* Image cache size */
 131         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 132         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 133
 134         label = gtk_label_new(_("Size of image cache in megabytes"));
 135         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 136
 137         adj = gtk_adjustment_new(0, 0, 99999, 1, 10, 0);
 138         image_cache_size = gtk_spin_button_new(GTK_ADJUSTMENT(adj), 1, 0);
 139         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(image_cache_size), TRUE);
 140         gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(image_cache_size), FALSE);
 141         gtk_spin_button_set_value(GTK_SPIN_BUTTON(image_cache_size),
 142                         lh_prefs.image_cache_size);
 143         gtk_box_pack_start(GTK_BOX(hbox), image_cache_size, FALSE, FALSE, 0);
 144         gtk_widget_show_all(hbox);
 145
 146         /* Font */
 147         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 148         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 149
 150         label = gtk_label_new(_("Default font"));
 151         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 152
 153         default_font = gtk_font_button_new_with_font(lh_prefs.default_font);
 154         g_object_set(G_OBJECT(default_font), "use-font", TRUE, NULL);
 155         gtk_box_pack_start(GTK_BOX(hbox), default_font, FALSE, FALSE, 0);
 156
 157         gtk_widget_show_all(hbox);
 158
 159         prefs_page->enable_remote_content = enable_remote_content;
 160         prefs_page->image_cache_size = image_cache_size;
 161         prefs_page->default_font = default_font;
 162         prefs_page->page.widget = vbox;
 163 }
 164
 165 static void destroy_lh_prefs_page(PrefsPage *page)
 166 {
 167 }
 168
 169 static void save_lh_prefs_page(PrefsPage *page)
 170 {
 171         LHPrefsPage *prefs_page = (LHPrefsPage *)page;
 172
 173         lh_prefs.enable_remote_content = gtk_toggle_button_get_active(
 174                         GTK_TOGGLE_BUTTON(prefs_page->enable_remote_content));
 175
 176         lh_prefs.image_cache_size = gtk_spin_button_get_value_as_int(
 177                         GTK_SPIN_BUTTON(prefs_page->image_cache_size));
 178
 179         g_free(lh_prefs.default_font);
 180         lh_prefs.default_font = g_strdup(gtk_font_chooser_get_font(
 181                         GTK_FONT_CHOOSER(prefs_page->default_font)));
 182
 183         save_prefs();
 184 }
 185
 186 static void save_prefs(void)
 187 {
 188         PrefFile *pref_file;
 189         gchar *rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 190                         COMMON_RC, NULL);
 191
 192         pref_file = prefs_write_open(rcpath);
 193
 194         if (!pref_file) {
 195                 g_warning("failed to open configuration file '%s' for writing", rcpath);
 196                 g_free(rcpath);
 197                 return;
 198         }
 199         if (prefs_set_block_label(pref_file, PREFS_BLOCK_NAME) < 0) {
 200                 g_warning("failed to set block label "PREFS_BLOCK_NAME);
 201                 g_free(rcpath);
 202                 return;
 203         }
 204
 205         if (prefs_write_param(param, pref_file->fp) < 0) {
 206                 g_warning("failed to write LiteHTML Viewer plugin configuration");
 207                 prefs_file_close_revert(pref_file);
 208                 g_free(rcpath);
 209                 return;
 210         }
 211
 212         if (fprintf(pref_file->fp, "\n") < 0) {
 213                 FILE_OP_ERROR(rcpath, "fprintf");
 214                 prefs_file_close_revert(pref_file);
 215         } else {
 216                 debug_print("successfully saved LiteHTML Viewer plugin configuration\n");
 217                 prefs_file_close(pref_file);
 218         }
 219
 220         g_free(rcpath);
 221 }