git.maemo.org Git - modest/blob - src/hildon2/modest-wp-text-view.c

   1 /*
   2  * Copyright (C) 2009 Nokia Corporation, all rights reserved.
   3  *
   4  */
   5
   6 #include                                        "modest-wp-text-view.h"
   7 #include <math.h>
   8
   9 #define MODEST_WP_TEXT_VIEW_DRAG_THRESHOLD 16.0
  10
  11 G_DEFINE_TYPE                                   (ModestWpTextView, modest_wp_text_view, WP_TYPE_TEXT_VIEW);
  12
  13 #define                                         MODEST_WP_TEXT_VIEW_GET_PRIVATE(obj) \
  14                                                 (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
  15                                                 MODEST_TYPE_WP_TEXT_VIEW, ModestWpTextViewPrivate));
  16
  17 typedef struct                                  _ModestWpTextViewPrivate ModestWpTextViewPrivate;
  18
  19 struct                                          _ModestWpTextViewPrivate
  20 {
  21     gdouble x;                                                      /* tap x position */
  22     gdouble y;                                                      /* tap y position */
  23 };
  24
  25 GtkWidget *
  26 modest_wp_text_view_new                            (void)
  27 {
  28     GtkWidget *entry = g_object_new (MODEST_TYPE_WP_TEXT_VIEW, NULL);
  29
  30     return entry;
  31 }
  32
  33 static gint
  34 modest_wp_text_view_button_press_event (GtkWidget        *widget,
  35                                         GdkEventButton   *event)
  36 {
  37     ModestWpTextViewPrivate *priv = MODEST_WP_TEXT_VIEW_GET_PRIVATE (widget);
  38
  39     if (GTK_TEXT_VIEW (widget)->editable &&
  40         hildon_gtk_im_context_filter_event (GTK_TEXT_VIEW (widget)->im_context, (GdkEvent*)event)) {
  41         GTK_TEXT_VIEW (widget)->need_im_reset = TRUE;
  42         return TRUE;
  43     }
  44
  45     if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {
  46         priv->x = event->x;
  47         priv->y = event->y;
  48
  49         return TRUE;
  50     }
  51
  52     return FALSE;
  53 }
  54
  55 static gint
  56 modest_wp_text_view_button_release_event (GtkWidget        *widget,
  57                                           GdkEventButton   *event)
  58 {
  59     GtkTextView *text_view = GTK_TEXT_VIEW (widget);
  60     ModestWpTextViewPrivate *priv = MODEST_WP_TEXT_VIEW_GET_PRIVATE (widget);
  61     GtkTextIter iter;
  62     gint x, y;
  63
  64     if (text_view->editable &&
  65         hildon_gtk_im_context_filter_event (text_view->im_context, (GdkEvent*)event)) {
  66         text_view->need_im_reset = TRUE;
  67         return TRUE;
  68     }
  69
  70     if (event->button == 1 && event->type == GDK_BUTTON_RELEASE) {
  71         if (fabs (priv->x - event->x) < MODEST_WP_TEXT_VIEW_DRAG_THRESHOLD &&
  72             fabs (priv->y - event->y) < MODEST_WP_TEXT_VIEW_DRAG_THRESHOLD) {
  73             GtkTextWindowType window_type;
  74             GtkTextBuffer *buffer;
  75
  76             window_type = gtk_text_view_get_window_type (text_view, event->window);
  77             gtk_text_view_window_to_buffer_coords (text_view,
  78                                                    window_type,
  79                                                    event->x, event->y,
  80                                                    &x, &y);
  81             gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
  82             buffer = gtk_text_view_get_buffer (text_view);
  83             if (gtk_text_buffer_get_char_count (buffer))
  84                 gtk_text_buffer_place_cursor (buffer, &iter);
  85
  86             gtk_widget_grab_focus (GTK_WIDGET (text_view));
  87
  88             return TRUE;
  89         }
  90     }
  91     return FALSE;
  92 }
  93
  94 static void
  95 modest_wp_text_view_finalize                       (GObject *object)
  96 {
  97     if (G_OBJECT_CLASS (modest_wp_text_view_parent_class)->finalize)
  98         G_OBJECT_CLASS (modest_wp_text_view_parent_class)->finalize (object);
  99 }
 100
 101 static void
 102 modest_wp_text_view_class_init                     (ModestWpTextViewClass *klass)
 103 {
 104     GObjectClass *gobject_class = (GObjectClass *)klass;
 105     GtkWidgetClass *widget_class = (GtkWidgetClass *)klass;
 106
 107     gobject_class->finalize = modest_wp_text_view_finalize;
 108     widget_class->motion_notify_event = NULL;
 109     widget_class->button_press_event = modest_wp_text_view_button_press_event;
 110     widget_class->button_release_event = modest_wp_text_view_button_release_event;
 111
 112     g_type_class_add_private (klass, sizeof (ModestWpTextViewPrivate));
 113 }
 114
 115 static void
 116 modest_wp_text_view_init                           (ModestWpTextView *self)
 117 {
 118 }