git.maemo.org Git - modest/blob - src/widgets/modest-signature-editor-dialog.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "modest-signature-editor-dialog.h"
  31 #include "widgets/modest-ui-constants.h"
  32 #include "widgets/modest-validating-entry.h"
  33 #include "modest-runtime.h"
  34 #include <modest-account-mgr-helpers.h>
  35 #include <gtk/gtkhbox.h>
  36 #include <gtk/gtkvbox.h>
  37 #include <gtk/gtktextview.h>
  38 #include <gtk/gtklabel.h>
  39 #include <modest-scrollable.h>
  40 #include <modest-toolkit-factory.h>
  41 #include <gtk/gtkstock.h>
  42 #include <glib/gi18n.h>
  43 #include "modest-text-utils.h"
  44 #ifdef MODEST_TOOLKIT_HILDON2
  45 #include <hildon/hildon.h>
  46 #endif
  47
  48 G_DEFINE_TYPE (ModestSignatureEditorDialog, modest_signature_editor_dialog, GTK_TYPE_DIALOG);
  49
  50 #define SIGNATURE_EDITOR_DIALOG_GET_PRIVATE(o) \
  51         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_SIGNATURE_EDITOR_DIALOG, ModestSignatureEditorDialogPrivate))
  52
  53 typedef struct _ModestSignatureEditorDialogPrivate ModestSignatureEditorDialogPrivate;
  54
  55 struct _ModestSignatureEditorDialogPrivate
  56 {
  57         GtkWidget *checkbox_use;
  58         GtkWidget *label;
  59         GtkWidget *scrollable;
  60         GtkWidget *textview;
  61
  62         guint correct_scroll_idle;
  63 };
  64
  65 static void text_buffer_end_user_action (GtkTextBuffer *buffer,
  66                                          ModestSignatureEditorDialog *userdata);
  67
  68 static void
  69 modest_signature_editor_dialog_get_property (GObject *object, guint property_id,
  70                                                                                                                         GValue *value, GParamSpec *pspec)
  71 {
  72         switch (property_id) {
  73         default:
  74                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  75         }
  76 }
  77
  78 static void
  79 modest_signature_editor_dialog_set_property (GObject *object, guint property_id,
  80                                                                                                                         const GValue *value, GParamSpec *pspec)
  81 {
  82         switch (property_id) {
  83         default:
  84                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  85         }
  86 }
  87
  88 static void
  89 modest_signature_editor_dialog_dispose (GObject *object)
  90 {
  91         if (G_OBJECT_CLASS (modest_signature_editor_dialog_parent_class)->dispose)
  92                 G_OBJECT_CLASS (modest_signature_editor_dialog_parent_class)->dispose (object);
  93 }
  94
  95 static void
  96 modest_signature_editor_dialog_finalize (GObject *object)
  97 {
  98         ModestSignatureEditorDialogPrivate *priv;
  99
 100         priv = SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (object);
 101
 102         if (priv->correct_scroll_idle > 0) {
 103                 g_source_remove (priv->correct_scroll_idle);
 104                 priv->correct_scroll_idle = 0;
 105         }
 106         G_OBJECT_CLASS (modest_signature_editor_dialog_parent_class)->finalize (object);
 107 }
 108
 109 static void
 110 modest_signature_editor_dialog_class_init (ModestSignatureEditorDialogClass *klass)
 111 {
 112         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 113
 114         g_type_class_add_private (klass, sizeof (ModestSignatureEditorDialogPrivate));
 115
 116         object_class->get_property = modest_signature_editor_dialog_get_property;
 117         object_class->set_property = modest_signature_editor_dialog_set_property;
 118         object_class->dispose = modest_signature_editor_dialog_dispose;
 119         object_class->finalize = modest_signature_editor_dialog_finalize;
 120 }
 121
 122 static void
 123 enable_widgets (ModestSignatureEditorDialog *self)
 124 {
 125         ModestSignatureEditorDialogPrivate *priv =
 126                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (self);
 127
 128         const gboolean enable = modest_togglable_get_active (priv->checkbox_use);
 129         gtk_widget_set_sensitive (priv->label, enable);
 130         gtk_widget_set_sensitive (priv->textview, enable);
 131         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->textview), enable);
 132 }
 133
 134 static void
 135 on_toggle_button_changed (GtkWidget *togglebutton, gpointer user_data)
 136 {
 137         ModestSignatureEditorDialog *self = MODEST_SIGNATURE_EDITOR_DIALOG (user_data);
 138         enable_widgets (self);
 139 }
 140
 141 static void
 142 modest_signature_editor_dialog_init (ModestSignatureEditorDialog *self)
 143 {
 144         ModestSignatureEditorDialogPrivate *priv =
 145                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (self);
 146         GtkWidget *top_box, *align;
 147
 148         gtk_window_set_title (GTK_WINDOW (self), _("mcen_ti_email_signatures_edit_title"));
 149
 150         GtkWidget *box = GTK_DIALOG(self)->vbox; /* gtk_vbox_new (FALSE, MODEST_MARGIN_HALF); */
 151         top_box = gtk_vbox_new (FALSE, 0);
 152
 153         priv->checkbox_use = modest_toolkit_factory_create_check_button (modest_runtime_get_toolkit_factory (),
 154                                                                          _("mcen_fi_email_signatures_use_signature"));
 155         gtk_box_pack_start (GTK_BOX (top_box), priv->checkbox_use, FALSE, FALSE, 0);
 156         gtk_widget_show (priv->checkbox_use);
 157
 158         g_signal_connect (G_OBJECT (priv->checkbox_use), "toggled",
 159                           G_CALLBACK (on_toggle_button_changed), self);
 160
 161         priv->label = gtk_label_new (""); /* Set in modest_signature_editor_dialog_set_settings(). */
 162         gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.0);
 163         gtk_misc_set_padding (GTK_MISC (priv->label), MODEST_MARGIN_DOUBLE, MODEST_MARGIN_DOUBLE);
 164         gtk_box_pack_start (GTK_BOX (top_box), priv->label, FALSE, FALSE, 0);
 165         gtk_widget_show (priv->label);
 166
 167         priv->textview = modest_toolkit_factory_create_text_view (modest_runtime_get_toolkit_factory ());
 168         gtk_widget_show (priv->textview);
 169         GtkTextBuffer *buffer = modest_text_view_get_buffer (priv->textview);
 170         gtk_text_buffer_set_text (buffer, _("mcen_va_default_signature_tablet"), -1); /* Default, as per the UI spec. */
 171         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->textview), GTK_WRAP_WORD_CHAR);
 172         gtk_box_pack_start (GTK_BOX (top_box), priv->textview, TRUE, TRUE, 0);
 173
 174         g_signal_connect (G_OBJECT (buffer), "end-user-action",
 175                           G_CALLBACK (text_buffer_end_user_action), self);
 176
 177         /* Add the buttons: */
 178         gtk_dialog_add_button (GTK_DIALOG (self), _HL("wdgt_bd_save"), GTK_RESPONSE_OK);
 179
 180         align = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
 181         gtk_alignment_set_padding (GTK_ALIGNMENT (align), 0, 0, MODEST_MARGIN_DOUBLE, 0);
 182         gtk_widget_show (align);
 183         gtk_container_add (GTK_CONTAINER (align), top_box);
 184
 185         gtk_widget_show (top_box);
 186
 187         priv->scrollable = modest_toolkit_factory_create_scrollable (modest_runtime_get_toolkit_factory ());
 188         modest_scrollable_add_with_viewport (MODEST_SCROLLABLE (priv->scrollable), align);
 189         gtk_container_add (GTK_CONTAINER (GTK_DIALOG (self)->vbox), priv->scrollable);
 190         gtk_widget_show (priv->scrollable);
 191
 192         gtk_widget_show (box);
 193         gtk_widget_set_size_request (GTK_WIDGET (self), -1, MODEST_DIALOG_WINDOW_MAX_HEIGHT);
 194
 195         /* When this window is shown, hibernation should not be possible,
 196          * because there is no sensible way to save the state: */
 197         modest_window_mgr_prevent_hibernation_while_window_is_shown (
 198                 modest_runtime_get_window_mgr (), GTK_WINDOW (self));
 199
 200         priv->correct_scroll_idle = 0;
 201
 202 }
 203
 204 ModestSignatureEditorDialog*
 205 modest_signature_editor_dialog_new (void)
 206 {
 207         return g_object_new (MODEST_TYPE_SIGNATURE_EDITOR_DIALOG, NULL);
 208 }
 209
 210 void
 211 modest_signature_editor_dialog_set_settings (
 212         ModestSignatureEditorDialog *window, gboolean use_signature, const gchar* signature,
 213         const gchar* account_title)
 214 {
 215         ModestSignatureEditorDialogPrivate *priv =
 216                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (window);
 217
 218         /* This causes a warning because of the %s in the translation, but not in the original string: */
 219         gchar* label_text = g_strdup_printf (_("mcen_ia_email_signatures_edit_dlg_label"),
 220                 account_title);
 221         gtk_label_set_text (GTK_LABEL (priv->label), label_text);
 222         gtk_label_set_ellipsize (GTK_LABEL (priv->label),  PANGO_ELLIPSIZE_END);
 223         g_free (label_text);
 224
 225         modest_togglable_set_active (priv->checkbox_use, use_signature);
 226
 227         GtkTextBuffer *buffer = modest_text_view_get_buffer (priv->textview);
 228         if (signature && signature[0] != '\0')
 229                 gtk_text_buffer_set_text (buffer, signature, -1);
 230         else
 231                 gtk_text_buffer_set_text (buffer, _("mcen_va_default_signature_tablet"), -1); /* Default, as per the UI spec. */
 232
 233         enable_widgets (window);
 234 }
 235
 236 /*
 237  * The result must be freed with g_free(). */
 238 gchar*
 239 modest_signature_editor_dialog_get_settings (
 240         ModestSignatureEditorDialog *window, gboolean* use_signature)
 241 {
 242         ModestSignatureEditorDialogPrivate *priv =
 243                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (window);
 244
 245         g_assert(use_signature);
 246
 247         *use_signature = modest_togglable_get_active (priv->checkbox_use);
 248
 249         GtkTextBuffer *buffer = modest_text_view_get_buffer (priv->textview);
 250
 251         GtkTextIter start, end;
 252         gtk_text_buffer_get_bounds (buffer, &start, &end);
 253         return gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
 254 }
 255
 256 static gboolean
 257 correct_scroll_idle_func (gpointer userdata)
 258 {
 259         ModestSignatureEditorDialog *self = (ModestSignatureEditorDialog *) userdata;
 260         ModestSignatureEditorDialogPrivate *priv;
 261         GtkTextBuffer *buffer;
 262         GtkTextIter iter;
 263         GdkRectangle rectangle;
 264         gint offset_min, offset_max;
 265         GtkTextMark *insert;
 266         GtkAdjustment *vadj;
 267
 268         /* It could happen that the window was already closed */
 269         if (!GTK_WIDGET_VISIBLE (self))
 270                 return FALSE;
 271
 272         priv = SIGNATURE_EDITOR_DIALOG_GET_PRIVATE(self);
 273         buffer = modest_text_view_get_buffer (priv->textview);
 274
 275         insert = gtk_text_buffer_get_insert (buffer);
 276         gtk_text_buffer_get_iter_at_mark (buffer, &iter, insert);
 277
 278         gtk_text_view_get_iter_location (GTK_TEXT_VIEW (priv->textview), &iter, &rectangle);
 279         offset_min = priv->textview->allocation.y + rectangle.y;
 280         offset_max = offset_min + rectangle.height;
 281
 282         vadj = modest_scrollable_get_vadjustment (MODEST_SCROLLABLE (priv->scrollable));
 283         offset_min = MAX (offset_min - 48, 0);
 284         offset_max = MIN (offset_max + 48, vadj->upper);
 285
 286         if ((offset_min < vadj->value) || (offset_max > vadj->value + vadj->page_size)) {
 287                 /* We check if the current center of the visible area is already matching the center
 288                    of the selection */
 289                 gint offset_center;
 290                 gint center_top, center_bottom;
 291
 292                 offset_center = (offset_min + offset_max) / 2;
 293                 center_top = vadj->value + vadj->page_size / 3;
 294                 center_bottom = vadj->value + vadj->page_size * 2 / 3;
 295
 296                 if ((offset_center < center_top) ||
 297                     (offset_center > center_bottom))
 298                         modest_scrollable_scroll_to (MODEST_SCROLLABLE (priv->scrollable), -1, offset_center);
 299         }
 300
 301         priv->correct_scroll_idle = 0;
 302         return FALSE;
 303 }
 304
 305 static void correct_scroll (ModestSignatureEditorDialog *self)
 306 {
 307         ModestSignatureEditorDialogPrivate *priv;
 308
 309         priv = SIGNATURE_EDITOR_DIALOG_GET_PRIVATE(self);
 310
 311         if (!gtk_widget_is_focus (priv->textview))
 312                 return;
 313
 314         if (priv->correct_scroll_idle > 0) {
 315                 return;
 316         }
 317
 318         priv->correct_scroll_idle = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 319                                                      (GSourceFunc) correct_scroll_idle_func,
 320                                                      g_object_ref (self),
 321                                                      g_object_unref);
 322 }
 323
 324 static void
 325 text_buffer_end_user_action (GtkTextBuffer *buffer,
 326                              ModestSignatureEditorDialog *userdata)
 327 {
 328
 329         correct_scroll (userdata);
 330 }
 331