git.maemo.org Git - modest/blob - src/hildon2/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 "modest-hildon-includes.h"
  33 #include "widgets/modest-validating-entry.h"
  34 #include "modest-runtime.h"
  35 #include <modest-account-mgr-helpers.h>
  36 #include <gtk/gtkhbox.h>
  37 #include <gtk/gtkvbox.h>
  38 #include <gtk/gtktextview.h>
  39 #include <gtk/gtklabel.h>
  40 #include <hildon/hildon-pannable-area.h>
  41 #include <gtk/gtkstock.h>
  42 #include <glib/gi18n.h>
  43 #include <modest-maemo-utils.h>
  44 #include "modest-text-utils.h"
  45 #include <hildon/hildon-text-view.h>
  46
  47 G_DEFINE_TYPE (ModestSignatureEditorDialog, modest_signature_editor_dialog, GTK_TYPE_DIALOG);
  48
  49 #define SIGNATURE_EDITOR_DIALOG_GET_PRIVATE(o) \
  50         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_SIGNATURE_EDITOR_DIALOG, ModestSignatureEditorDialogPrivate))
  51
  52 typedef struct _ModestSignatureEditorDialogPrivate ModestSignatureEditorDialogPrivate;
  53
  54 struct _ModestSignatureEditorDialogPrivate
  55 {
  56         GtkWidget *checkbox_use;
  57         GtkWidget *label;
  58         GtkWidget *pannable;
  59         GtkWidget *textview;
  60
  61         guint correct_scroll_idle;
  62 };
  63
  64 static void text_buffer_end_user_action (GtkTextBuffer *buffer,
  65                                          ModestSignatureEditorDialog *userdata);
  66
  67 static void
  68 modest_signature_editor_dialog_get_property (GObject *object, guint property_id,
  69                                                                                                                         GValue *value, GParamSpec *pspec)
  70 {
  71         switch (property_id) {
  72         default:
  73                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  74         }
  75 }
  76
  77 static void
  78 modest_signature_editor_dialog_set_property (GObject *object, guint property_id,
  79                                                                                                                         const GValue *value, GParamSpec *pspec)
  80 {
  81         switch (property_id) {
  82         default:
  83                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  84         }
  85 }
  86
  87 static void
  88 modest_signature_editor_dialog_dispose (GObject *object)
  89 {
  90         if (G_OBJECT_CLASS (modest_signature_editor_dialog_parent_class)->dispose)
  91                 G_OBJECT_CLASS (modest_signature_editor_dialog_parent_class)->dispose (object);
  92 }
  93
  94 static void
  95 modest_signature_editor_dialog_finalize (GObject *object)
  96 {
  97         ModestSignatureEditorDialogPrivate *priv;
  98
  99         priv = SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (object);
 100
 101         if (priv->correct_scroll_idle > 0) {
 102                 g_source_remove (priv->correct_scroll_idle);
 103                 priv->correct_scroll_idle = 0;
 104         }
 105         G_OBJECT_CLASS (modest_signature_editor_dialog_parent_class)->finalize (object);
 106 }
 107
 108 static void
 109 modest_signature_editor_dialog_class_init (ModestSignatureEditorDialogClass *klass)
 110 {
 111         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 112
 113         g_type_class_add_private (klass, sizeof (ModestSignatureEditorDialogPrivate));
 114
 115         object_class->get_property = modest_signature_editor_dialog_get_property;
 116         object_class->set_property = modest_signature_editor_dialog_set_property;
 117         object_class->dispose = modest_signature_editor_dialog_dispose;
 118         object_class->finalize = modest_signature_editor_dialog_finalize;
 119 }
 120
 121 static void
 122 enable_widgets (ModestSignatureEditorDialog *self)
 123 {
 124         ModestSignatureEditorDialogPrivate *priv =
 125                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (self);
 126
 127         const gboolean enable = hildon_check_button_get_active (HILDON_CHECK_BUTTON (priv->checkbox_use));
 128         gtk_widget_set_sensitive (priv->label, enable);
 129         gtk_widget_set_sensitive (priv->textview, enable);
 130         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->textview), enable);
 131 }
 132
 133 static void
 134 on_toggle_button_changed (GtkToggleButton *togglebutton, gpointer user_data)
 135 {
 136         ModestSignatureEditorDialog *self = MODEST_SIGNATURE_EDITOR_DIALOG (user_data);
 137         enable_widgets (self);
 138 }
 139
 140 static void
 141 modest_signature_editor_dialog_init (ModestSignatureEditorDialog *self)
 142 {
 143         ModestSignatureEditorDialogPrivate *priv =
 144                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (self);
 145         GtkWidget *top_box, *align;
 146
 147         gtk_window_set_title (GTK_WINDOW (self), _("mcen_ti_email_signatures_edit_title"));
 148
 149         GtkWidget *box = GTK_DIALOG(self)->vbox; /* gtk_vbox_new (FALSE, MODEST_MARGIN_HALF); */
 150         top_box = gtk_vbox_new (FALSE, 0);
 151
 152         priv->checkbox_use = hildon_check_button_new (HILDON_SIZE_FINGER_HEIGHT);
 153         gtk_button_set_label (GTK_BUTTON (priv->checkbox_use),
 154                               _("mcen_fi_email_signatures_use_signature"));
 155         gtk_button_set_alignment (GTK_BUTTON (priv->checkbox_use), 0.0, 0.5);
 156         gtk_box_pack_start (GTK_BOX (top_box), priv->checkbox_use, FALSE, FALSE, 0);
 157         gtk_widget_show (priv->checkbox_use);
 158
 159         g_signal_connect (G_OBJECT (priv->checkbox_use), "toggled",
 160                           G_CALLBACK (on_toggle_button_changed), self);
 161
 162         priv->label = gtk_label_new (""); /* Set in modest_signature_editor_dialog_set_settings(). */
 163         gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.0);
 164         gtk_misc_set_padding (GTK_MISC (priv->label), MODEST_MARGIN_DOUBLE, MODEST_MARGIN_DOUBLE);
 165         gtk_box_pack_start (GTK_BOX (top_box), priv->label, FALSE, FALSE, 0);
 166         gtk_widget_show (priv->label);
 167
 168         priv->textview = hildon_text_view_new ();
 169         gtk_widget_show (priv->textview);
 170         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->textview));
 171         gtk_text_buffer_set_text (buffer, _("mcen_va_default_signature_tablet"), -1); /* Default, as per the UI spec. */
 172         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->textview), GTK_WRAP_WORD_CHAR);
 173         gtk_box_pack_start (GTK_BOX (top_box), priv->textview, TRUE, TRUE, 0);
 174
 175         g_signal_connect (G_OBJECT (buffer), "end-user-action",
 176                           G_CALLBACK (text_buffer_end_user_action), self);
 177
 178         /* Add the buttons: */
 179         gtk_dialog_add_button (GTK_DIALOG (self), _HL("wdgt_bd_save"), GTK_RESPONSE_OK);
 180
 181         align = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
 182         gtk_alignment_set_padding (GTK_ALIGNMENT (align), 0, 0, MODEST_MARGIN_DOUBLE, 0);
 183         gtk_widget_show (align);
 184         gtk_container_add (GTK_CONTAINER (align), top_box);
 185
 186         gtk_widget_show (top_box);
 187
 188         priv->pannable = hildon_pannable_area_new ();
 189         hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (priv->pannable), align);
 190         gtk_container_add (GTK_CONTAINER (GTK_DIALOG (self)->vbox), priv->pannable);
 191         gtk_widget_show (priv->pannable);
 192
 193         gtk_widget_show (box);
 194         gtk_widget_set_size_request (GTK_WIDGET (self), -1, MODEST_DIALOG_WINDOW_MAX_HEIGHT);
 195
 196         /* When this window is shown, hibernation should not be possible,
 197          * because there is no sensible way to save the state: */
 198         modest_window_mgr_prevent_hibernation_while_window_is_shown (
 199                 modest_runtime_get_window_mgr (), GTK_WINDOW (self));
 200
 201         priv->correct_scroll_idle = 0;
 202
 203 }
 204
 205 ModestSignatureEditorDialog*
 206 modest_signature_editor_dialog_new (void)
 207 {
 208         return g_object_new (MODEST_TYPE_SIGNATURE_EDITOR_DIALOG, NULL);
 209 }
 210
 211 void
 212 modest_signature_editor_dialog_set_settings (
 213         ModestSignatureEditorDialog *window, gboolean use_signature, const gchar* signature,
 214         const gchar* account_title)
 215 {
 216         ModestSignatureEditorDialogPrivate *priv =
 217                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (window);
 218
 219         /* This causes a warning because of the %s in the translation, but not in the original string: */
 220         gchar* label_text = g_strdup_printf (_("mcen_ia_email_signatures_edit_dlg_label"),
 221                 account_title);
 222         gtk_label_set_text (GTK_LABEL (priv->label), label_text);
 223         gtk_label_set_ellipsize (GTK_LABEL (priv->label),  PANGO_ELLIPSIZE_END);
 224         g_free (label_text);
 225
 226         hildon_check_button_set_active (HILDON_CHECK_BUTTON (priv->checkbox_use), use_signature);
 227
 228         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->textview));
 229         if (signature && signature[0] != '\0')
 230                 gtk_text_buffer_set_text (buffer, signature, -1);
 231         else
 232                 gtk_text_buffer_set_text (buffer, _("mcen_va_default_signature_tablet"), -1); /* Default, as per the UI spec. */
 233
 234         enable_widgets (window);
 235 }
 236
 237 /*
 238  * The result must be freed with g_free(). */
 239 gchar*
 240 modest_signature_editor_dialog_get_settings (
 241         ModestSignatureEditorDialog *window, gboolean* use_signature)
 242 {
 243         ModestSignatureEditorDialogPrivate *priv =
 244                 SIGNATURE_EDITOR_DIALOG_GET_PRIVATE (window);
 245
 246         g_assert(use_signature);
 247
 248         *use_signature = hildon_check_button_get_active (HILDON_CHECK_BUTTON (priv->checkbox_use));
 249
 250         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->textview));
 251
 252         GtkTextIter start, end;
 253         gtk_text_buffer_get_bounds (buffer, &start, &end);
 254         return gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
 255 }
 256
 257 static gboolean
 258 correct_scroll_idle_func (gpointer userdata)
 259 {
 260         ModestSignatureEditorDialog *self = (ModestSignatureEditorDialog *) userdata;
 261         ModestSignatureEditorDialogPrivate *priv;
 262         GtkTextBuffer *buffer;
 263         GtkTextIter iter;
 264         GdkRectangle rectangle;
 265         gint offset_min, offset_max;
 266         GtkTextMark *insert;
 267         GtkAdjustment *vadj;
 268
 269         /* It could happen that the window was already closed */
 270         if (!GTK_WIDGET_VISIBLE (self))
 271                 return FALSE;
 272
 273         priv = SIGNATURE_EDITOR_DIALOG_GET_PRIVATE(self);
 274         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->textview));
 275
 276         insert = gtk_text_buffer_get_insert (buffer);
 277         gtk_text_buffer_get_iter_at_mark (buffer, &iter, insert);
 278
 279         gtk_text_view_get_iter_location (GTK_TEXT_VIEW (priv->textview), &iter, &rectangle);
 280         offset_min = priv->textview->allocation.y + rectangle.y;
 281         offset_max = offset_min + rectangle.height;
 282
 283         vadj = hildon_pannable_area_get_vadjustment (HILDON_PANNABLE_AREA (priv->pannable));
 284         offset_min = MAX (offset_min - 48, 0);
 285         offset_max = MIN (offset_max + 48, vadj->upper);
 286
 287         if ((offset_min < vadj->value) || (offset_max > vadj->value + vadj->page_size)) {
 288                 /* We check if the current center of the visible area is already matching the center
 289                    of the selection */
 290                 gint offset_center;
 291                 gint center_top, center_bottom;
 292
 293                 offset_center = (offset_min + offset_max) / 2;
 294                 center_top = vadj->value + vadj->page_size / 3;
 295                 center_bottom = vadj->value + vadj->page_size * 2 / 3;
 296
 297                 if ((offset_center < center_top) ||
 298                     (offset_center > center_bottom))
 299                         hildon_pannable_area_scroll_to (HILDON_PANNABLE_AREA (priv->pannable), -1, offset_center);
 300         }
 301
 302         priv->correct_scroll_idle = 0;
 303         return FALSE;
 304 }
 305
 306 static void correct_scroll (ModestSignatureEditorDialog *self)
 307 {
 308         ModestSignatureEditorDialogPrivate *priv;
 309
 310         priv = SIGNATURE_EDITOR_DIALOG_GET_PRIVATE(self);
 311
 312         if (!gtk_widget_is_focus (priv->textview))
 313                 return;
 314
 315         if (priv->correct_scroll_idle > 0) {
 316                 return;
 317         }
 318
 319         priv->correct_scroll_idle = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 320                                                      (GSourceFunc) correct_scroll_idle_func,
 321                                                      g_object_ref (self),
 322                                                      g_object_unref);
 323 }
 324
 325 static void
 326 text_buffer_end_user_action (GtkTextBuffer *buffer,
 327                              ModestSignatureEditorDialog *userdata)
 328 {
 329
 330         correct_scroll (userdata);
 331 }
 332