static void
gimp_combo_tag_entry_icon_press (GtkWidget *widget,
GtkEntryIconPosition icon_pos,
GdkEvent *event,
gpointer user_data)
{
GimpComboTagEntry *entry = GIMP_COMBO_TAG_ENTRY (widget);
if (! entry->popup)
{
GimpTaggedContainer *container = GIMP_TAG_ENTRY (entry)->container;
gint tag_count;
tag_count = gimp_tagged_container_get_tag_count (container);
if (tag_count > 0 && ! GIMP_TAG_ENTRY (entry)->has_invalid_tags)
{
entry->popup = gimp_tag_popup_new (entry);
g_signal_connect (entry->popup, "destroy",
G_CALLBACK (gimp_combo_tag_entry_popup_destroy),
entry);
gimp_tag_popup_show (GIMP_TAG_POPUP (entry->popup));
}
}
else
{
gtk_widget_destroy (entry->popup);
}
}
static void
gimp_combo_tag_entry_constructed (GObject *object)
{
GimpComboTagEntry *entry = GIMP_COMBO_TAG_ENTRY (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
g_signal_connect_object (GIMP_TAG_ENTRY (entry)->container,
"tag-count-changed",
G_CALLBACK (gimp_combo_tag_entry_tag_count_changed),
entry, 0);
}
static void
gimp_combo_tag_entry_tag_count_changed (GimpTaggedContainer *container,
gint tag_count,
GimpComboTagEntry *entry)
{
gboolean sensitive;
sensitive = tag_count > 0 && ! GIMP_TAG_ENTRY (entry)->has_invalid_tags;
gtk_entry_set_icon_sensitive (GTK_ENTRY (entry),
GTK_ENTRY_ICON_SECONDARY,
sensitive);
}
static void
gimp_tag_popup_toggle_tag (GimpTagPopup *popup,
PopupTagData *tag_data)
{
gchar **current_tags;
GString *tag_str;
gint length;
gint i;
gboolean tag_toggled_off = FALSE;
if (tag_data->state == GTK_STATE_NORMAL)
{
tag_data->state = GTK_STATE_SELECTED;
}
else if (tag_data->state == GTK_STATE_SELECTED)
{
tag_data->state = GTK_STATE_NORMAL;
}
else
{
return;
}
current_tags = gimp_tag_entry_parse_tags (GIMP_TAG_ENTRY (popup->combo_entry));
tag_str = g_string_new ("");
length = g_strv_length (current_tags);
for (i = 0; i < length; i++)
{
if (! gimp_tag_compare_with_string (tag_data->tag, current_tags[i]))
{
tag_toggled_off = TRUE;
}
else
{
if (tag_str->len)
{
g_string_append (tag_str, gimp_tag_entry_get_separator ());
g_string_append_c (tag_str, ' ');
}
g_string_append (tag_str, current_tags[i]);
}
}
if (! tag_toggled_off)
{
/* this tag was not selected yet, so it needs to be toggled on */
if (tag_str->len)
{
g_string_append (tag_str, gimp_tag_entry_get_separator ());
g_string_append_c (tag_str, ' ');
}
g_string_append (tag_str, gimp_tag_get_name (tag_data->tag));
}
gimp_tag_entry_set_tag_string (GIMP_TAG_ENTRY (popup->combo_entry),
tag_str->str);
g_string_free (tag_str, TRUE);
g_strfreev (current_tags);
if (GIMP_TAG_ENTRY (popup->combo_entry)->mode == GIMP_TAG_ENTRY_MODE_QUERY)
{
GimpTaggedContainer *container;
container = GIMP_TAG_ENTRY (popup->combo_entry)->container;
for (i = 0; i < popup->tag_count; i++)
{
if (popup->tag_data[i].state != GTK_STATE_SELECTED)
{
popup->tag_data[i].state = GTK_STATE_INSENSITIVE;
}
}
gimp_container_foreach (GIMP_CONTAINER (container),
(GFunc) gimp_tag_popup_check_can_toggle,
popup);
}
}
static void
gimp_tag_popup_constructed (GObject *object)
{
GimpTagPopup *popup = GIMP_TAG_POPUP (object);
GimpTaggedContainer *container;
GtkWidget *entry;
GtkAllocation entry_allocation;
GtkStyle *frame_style;
gint x;
gint y;
gint width;
gint height;
gint popup_height;
GHashTable *tag_hash;
GList *tag_list;
GList *tag_iterator;
gint i;
gint max_height;
gint screen_height;
gchar **current_tags;
gint current_count;
GdkRectangle popup_rects[2]; /* variants of popup placement */
GdkRectangle popup_rect; /* best popup rect in screen coordinates */
if (G_OBJECT_CLASS (parent_class)->constructed)
G_OBJECT_CLASS (parent_class)->constructed (object);
entry = GTK_WIDGET (popup->combo_entry);
gtk_window_set_screen (GTK_WINDOW (popup), gtk_widget_get_screen (entry));
popup->context = gtk_widget_create_pango_context (GTK_WIDGET (popup));
popup->layout = pango_layout_new (popup->context);
gtk_widget_get_allocation (entry, &entry_allocation);
gtk_widget_style_get (GTK_WIDGET (popup),
"scroll-arrow-vlength", &popup->scroll_arrow_height,
NULL);
pango_layout_set_attributes (popup->layout,
popup->combo_entry->normal_item_attr);
current_tags = gimp_tag_entry_parse_tags (GIMP_TAG_ENTRY (popup->combo_entry));
current_count = g_strv_length (current_tags);
container = GIMP_TAG_ENTRY (popup->combo_entry)->container;
tag_hash = container->tag_ref_counts;
tag_list = g_hash_table_get_keys (tag_hash);
tag_list = g_list_sort (tag_list, gimp_tag_compare_func);
popup->tag_count = g_list_length (tag_list);
popup->tag_data = g_new0 (PopupTagData, popup->tag_count);
for (i = 0, tag_iterator = tag_list;
i < popup->tag_count;
i++, tag_iterator = g_list_next (tag_iterator))
{
PopupTagData *tag_data = &popup->tag_data[i];
gint j;
tag_data->tag = tag_iterator->data;
tag_data->state = GTK_STATE_NORMAL;
for (j = 0; j < current_count; j++)
{
if (! gimp_tag_compare_with_string (tag_data->tag, current_tags[j]))
{
tag_data->state = GTK_STATE_SELECTED;
break;
}
}
}
g_list_free (tag_list);
g_strfreev (current_tags);
if (GIMP_TAG_ENTRY (popup->combo_entry)->mode == GIMP_TAG_ENTRY_MODE_QUERY)
{
for (i = 0; i < popup->tag_count; i++)
{
if (popup->tag_data[i].state != GTK_STATE_SELECTED)
{
popup->tag_data[i].state = GTK_STATE_INSENSITIVE;
}
}
gimp_container_foreach (GIMP_CONTAINER (container),
(GFunc) gimp_tag_popup_check_can_toggle,
popup);
}
frame_style = gtk_widget_get_style (popup->frame);
width = (entry_allocation.width -
2 * frame_style->xthickness);
height = (gimp_tag_popup_layout_tags (popup, width) +
2 * frame_style->ythickness);
gdk_window_get_origin (gtk_widget_get_window (entry), &x, &y);
max_height = entry_allocation.height * 10;
screen_height = gdk_screen_get_height (gtk_widget_get_screen (entry));
popup_height = MIN (height, max_height);
popup_rects[0].x = x;
popup_rects[0].y = 0;
popup_rects[0].width = entry_allocation.width;
popup_rects[0].height = y + entry_allocation.height;
popup_rects[1].x = x;
popup_rects[1].y = y;
popup_rects[1].width = popup_rects[0].width;
popup_rects[1].height = screen_height - popup_rects[0].height;
if (popup_rects[0].height >= popup_height)
{
popup_rect = popup_rects[0];
popup_rect.y += popup_rects[0].height - popup_height;
popup_rect.height = popup_height;
}
else if (popup_rects[1].height >= popup_height)
{
popup_rect = popup_rects[1];
popup_rect.height = popup_height;
}
else
{
if (popup_rects[0].height >= popup_rects[1].height)
{
popup_rect = popup_rects[0];
popup_rect.y += popup->scroll_arrow_height + frame_style->ythickness;
}
else
{
popup_rect = popup_rects[1];
popup_rect.y -= popup->scroll_arrow_height + frame_style->ythickness;
}
popup_height = popup_rect.height;
}
if (popup_height < height)
{
popup->arrows_visible = TRUE;
popup->upper_arrow_state = GTK_STATE_INSENSITIVE;
gtk_alignment_set_padding (GTK_ALIGNMENT (popup->alignment),
popup->scroll_arrow_height + 2,
popup->scroll_arrow_height + 2, 0, 0);
popup_height -= 2 * popup->scroll_arrow_height + 4;
popup->scroll_height = height - popup_rect.height;
popup->scroll_y = 0;
popup->scroll_step = 0;
}
gtk_widget_set_size_request (popup->tag_area, width, popup_height);
gtk_window_move (GTK_WINDOW (popup), popup_rect.x, popup_rect.y);
gtk_window_resize (GTK_WINDOW (popup), popup_rect.width, popup_rect.height);
}
