static gboolean
gimp_text_style_editor_update_idle (GimpTextStyleEditor *editor)
{
GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer);
if (editor->update_idle_id)
{
g_source_remove (editor->update_idle_id);
editor->update_idle_id = 0;
}
if (gtk_text_buffer_get_has_selection (buffer))
{
GtkTextIter start, end;
GtkTextIter iter;
GList *list;
gboolean any_toggle_active = TRUE;
gboolean font_differs = FALSE;
gboolean color_differs = FALSE;
gboolean size_differs = FALSE;
gboolean baseline_differs = FALSE;
gboolean kerning_differs = FALSE;
GtkTextTag *font_tag = NULL;
GtkTextTag *color_tag = NULL;
GtkTextTag *size_tag = NULL;
GtkTextTag *baseline_tag = NULL;
GtkTextTag *kerning_tag = NULL;
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
gtk_text_iter_order (&start, &end);
/* first, switch all toggles on */
for (list = editor->toggles; list; list = g_list_next (list))
{
GtkToggleButton *toggle = list->data;
gimp_text_style_editor_set_toggle (editor, toggle, TRUE);
}
/* and get some initial values */
font_tag = gimp_text_buffer_get_iter_font (editor->buffer,
&start, NULL);
color_tag = gimp_text_buffer_get_iter_color (editor->buffer,
&start, NULL);
size_tag = gimp_text_buffer_get_iter_size (editor->buffer,
&start, NULL);
baseline_tag = gimp_text_buffer_get_iter_baseline (editor->buffer,
&start, NULL);
kerning_tag = gimp_text_buffer_get_iter_kerning (editor->buffer,
&start, NULL);
for (iter = start;
gtk_text_iter_in_range (&iter, &start, &end);
gtk_text_iter_forward_cursor_position (&iter))
{
if (any_toggle_active)
{
any_toggle_active = FALSE;
for (list = editor->toggles; list; list = g_list_next (list))
{
GtkToggleButton *toggle = list->data;
GtkTextTag *tag = g_object_get_data (G_OBJECT (toggle),
"tag");
if (! gtk_text_iter_has_tag (&iter, tag))
{
gimp_text_style_editor_set_toggle (editor, toggle, FALSE);
}
else
{
any_toggle_active = TRUE;
}
}
}
if (! font_differs)
{
GtkTextTag *tag;
tag = gimp_text_buffer_get_iter_font (editor->buffer, &iter,
NULL);
if (tag != font_tag)
font_differs = TRUE;
}
if (! color_differs)
{
GtkTextTag *tag;
tag = gimp_text_buffer_get_iter_color (editor->buffer, &iter,
NULL);
if (tag != color_tag)
color_differs = TRUE;
}
if (! size_differs)
{
GtkTextTag *tag;
tag = gimp_text_buffer_get_iter_size (editor->buffer, &iter,
NULL);
if (tag != size_tag)
size_differs = TRUE;
}
if (! baseline_differs)
{
GtkTextTag *tag;
tag = gimp_text_buffer_get_iter_baseline (editor->buffer, &iter,
NULL);
if (tag != baseline_tag)
baseline_differs = TRUE;
}
if (! kerning_differs)
{
GtkTextTag *tag;
tag = gimp_text_buffer_get_iter_kerning (editor->buffer, &iter,
NULL);
if (tag != kerning_tag)
kerning_differs = TRUE;
}
if (! any_toggle_active &&
color_differs &&
font_differs &&
size_differs &&
baseline_differs &&
kerning_differs)
break;
}
if (font_differs)
gimp_text_style_editor_set_font (editor, NULL);
else if (font_tag)
gimp_text_style_editor_set_font (editor, font_tag);
else
gimp_text_style_editor_set_default_font (editor);
if (color_differs)
gimp_text_style_editor_set_color (editor, NULL);
else if (color_tag)
gimp_text_style_editor_set_color (editor, color_tag);
else
gimp_text_style_editor_set_default_color (editor);
if (size_differs)
gimp_text_style_editor_set_size (editor, NULL);
else if (size_tag)
gimp_text_style_editor_set_size (editor, size_tag);
else
gimp_text_style_editor_set_default_size (editor);
if (baseline_differs)
gtk_entry_set_text (GTK_ENTRY (editor->baseline_spinbutton), "");
else
gimp_text_style_editor_set_baseline (editor, baseline_tag);
if (kerning_differs)
gtk_entry_set_text (GTK_ENTRY (editor->kerning_spinbutton), "");
else
gimp_text_style_editor_set_kerning (editor, kerning_tag);
}
else /* no selection */
{
GtkTextIter cursor;
GSList *tags;
GSList *tags_on;
GSList *tags_off;
GList *list;
gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
gtk_text_buffer_get_insert (buffer));
tags = gtk_text_iter_get_tags (&cursor);
tags_on = gtk_text_iter_get_toggled_tags (&cursor, TRUE);
tags_off = gtk_text_iter_get_toggled_tags (&cursor, FALSE);
for (list = editor->buffer->font_tags; list; list = g_list_next (list))
{
GtkTextTag *tag = list->data;
if ((g_slist_find (tags, tag) &&
! g_slist_find (tags_on, tag)) ||
g_slist_find (tags_off, tag))
{
gimp_text_style_editor_set_font (editor, tag);
break;
}
}
if (! list)
gimp_text_style_editor_set_default_font (editor);
for (list = editor->buffer->color_tags; list; list = g_list_next (list))
{
GtkTextTag *tag = list->data;
if ((g_slist_find (tags, tag) &&
! g_slist_find (tags_on, tag)) ||
g_slist_find (tags_off, tag))
{
gimp_text_style_editor_set_color (editor, tag);
break;
}
}
if (! list)
gimp_text_style_editor_set_default_color (editor);
for (list = editor->buffer->size_tags; list; list = g_list_next (list))
{
GtkTextTag *tag = list->data;
if ((g_slist_find (tags, tag) &&
! g_slist_find (tags_on, tag)) ||
g_slist_find (tags_off, tag))
{
gimp_text_style_editor_set_size (editor, tag);
break;
}
}
if (! list)
gimp_text_style_editor_set_default_size (editor);
for (list = editor->buffer->baseline_tags; list; list = g_list_next (list))
{
GtkTextTag *tag = list->data;
if ((g_slist_find (tags, tag) &&
! g_slist_find (tags_on, tag)) ||
g_slist_find (tags_off, tag))
{
gimp_text_style_editor_set_baseline (editor, tag);
break;
}
}
if (! list)
gimp_text_style_editor_set_baseline (editor, NULL);
for (list = editor->toggles; list; list = g_list_next (list))
{
GtkToggleButton *toggle = list->data;
GtkTextTag *tag = g_object_get_data (G_OBJECT (toggle),
"tag");
gimp_text_style_editor_set_toggle (editor, toggle,
(g_slist_find (tags, tag) &&
! g_slist_find (tags_on, tag)) ||
g_slist_find (tags_off, tag));
}
{
GtkTextTag *tag;
tag = gimp_text_buffer_get_iter_kerning (editor->buffer, &cursor, NULL);
gimp_text_style_editor_set_kerning (editor, tag);
}
g_slist_free (tags);
g_slist_free (tags_on);
g_slist_free (tags_off);
}
return FALSE;
}
void
gimp_text_buffer_change_kerning (GimpTextBuffer *buffer,
const GtkTextIter *start,
const GtkTextIter *end,
gint count)
{
GtkTextIter iter;
GtkTextIter span_start;
GtkTextIter span_end;
GtkTextTag *span_tag;
gint span_kerning;
g_return_if_fail (GIMP_IS_TEXT_BUFFER (buffer));
g_return_if_fail (start != NULL);
g_return_if_fail (end != NULL);
if (gtk_text_iter_equal (start, end))
return;
iter = *start;
span_start = *start;
span_tag = gimp_text_buffer_get_iter_kerning (buffer, &iter,
&span_kerning);
gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (buffer));
do
{
GtkTextTag *iter_tag;
gint iter_kerning;
gtk_text_iter_forward_char (&iter);
iter_tag = gimp_text_buffer_get_iter_kerning (buffer, &iter,
&iter_kerning);
span_end = iter;
if (iter_kerning != span_kerning ||
gtk_text_iter_compare (&iter, end) >= 0)
{
if (span_kerning != 0)
{
gtk_text_buffer_remove_tag (GTK_TEXT_BUFFER (buffer), span_tag,
&span_start, &span_end);
}
if (span_kerning + count != 0)
{
span_tag = gimp_text_buffer_get_kerning_tag (buffer,
span_kerning + count);
gtk_text_buffer_apply_tag (GTK_TEXT_BUFFER (buffer), span_tag,
&span_start, &span_end);
}
span_start = iter;
span_kerning = iter_kerning;
span_tag = iter_tag;
}
/* We might have moved too far */
if (gtk_text_iter_compare (&iter, end) > 0)
iter = *end;
}
while (! gtk_text_iter_equal (&iter, end));
gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
}
