static void
test_file (const gchar *filename, GString *string)
{
gchar *contents;
gchar *markup;
gsize length;
GError *error = NULL;
PangoLayout *layout;
gchar *p;
gint width = 0;
gint ellipsize_at = 0;
PangoEllipsizeMode ellipsize = PANGO_ELLIPSIZE_NONE;
PangoWrapMode wrap = PANGO_WRAP_WORD;
PangoFontDescription *desc;
if (!g_file_get_contents (filename, &contents, &length, &error))
{
fprintf (stderr, "%s\n", error->message);
g_error_free (error);
return;
}
p = strchr (contents, '\n');
g_assert (p);
markup = p + 1;
*p = '\0';
parse_params (contents, &width, &ellipsize_at, &ellipsize, &wrap);
layout = pango_layout_new (context);
desc = pango_font_description_from_string ("Cantarell 11");
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
pango_layout_set_markup (layout, markup, length);
g_free (contents);
if (width != 0)
pango_layout_set_width (layout, width * PANGO_SCALE);
pango_layout_set_ellipsize (layout, ellipsize);
pango_layout_set_wrap (layout, wrap);
g_string_append (string, pango_layout_get_text (layout));
g_string_append (string, "\n---\n\n");
g_string_append_printf (string, "wrapped: %d\n", pango_layout_is_wrapped (layout));
g_string_append_printf (string, "ellipsized: %d\n", pango_layout_is_ellipsized (layout));
g_string_append_printf (string, "lines: %d\n", pango_layout_get_line_count (layout));
if (width != 0)
g_string_append_printf (string, "width: %d\n", pango_layout_get_width (layout));
g_string_append (string, "\n---\n\n");
dump_attrs (pango_layout_get_attributes (layout), string);
g_string_append (string, "\n---\n\n");
dump_lines (layout, string);
g_string_append (string, "\n---\n\n");
dump_runs (layout, string);
g_object_unref (layout);
}
static void
text_size_allocate_cb (GtkWidget * w, GtkAllocation * al, gpointer data)
{
PangoLayout *pl = gtk_label_get_layout (GTK_LABEL (w));
if (pango_layout_is_wrapped (pl))
gtk_widget_set_size_request (w, al->width, -1);
}
/* force to wrap truncated label by setting explicit size request
* see N#27000 and G#329646 */
static void
force_to_wrap_truncated (HildonBanner *banner)
{
PangoLayout *layout;
int lines;
int width;
int height = -1;
PangoRectangle logical;
GtkRequisition requisition;
HildonBannerPrivate *priv = HILDON_BANNER_GET_PRIVATE (banner);
g_return_if_fail (priv);
width = priv->is_timed ? HILDON_BANNER_LABEL_MAX_TIMED
: HILDON_BANNER_LABEL_MAX_PROGRESS;
/* Force the label to compute its layout using the maximum
* available width rather than its default one.
*/
gtk_widget_set_size_request (priv->label, width, height);
gtk_widget_size_request (priv->label, &requisition);
layout = gtk_label_get_layout (GTK_LABEL (priv->label));
pango_layout_get_extents (layout, NULL, &logical);
/* Now get the actual width needed by the pango layout */
width = PANGO_PIXELS (logical.width);
/* If the layout has now been wrapped and exceeds 3 lines, we truncate
* the rest of the label according to spec.
*/
lines = pango_layout_get_line_count (layout);
if (pango_layout_is_wrapped (layout) && lines > 3) {
/* This calculation assumes that the same font is used
* throughout the banner -- this is usually the case on maemo
*
* FIXME: Pango >= 1.20 has pango_layout_set_height().
*/
height = (PANGO_PIXELS (logical.height) * 3) / lines + 1;
}
/* Set the final width/height */
gtk_widget_set_size_request (priv->label, width, height);
}
static void
_paint_lyrics (OlScrollWindow *scroll, cairo_t *cr)
{
ol_assert (OL_IS_SCROLL_WINDOW (scroll));
GtkWidget *widget = GTK_WIDGET (scroll);
ol_assert (GTK_WIDGET_REALIZED (widget));
OlScrollWindowPrivate *priv = OL_SCROLL_WINDOW_GET_PRIVATE (scroll);
int line_height = ol_scroll_window_get_font_height (scroll) + priv->line_margin;
int count = ol_scroll_window_compute_line_count (scroll);
gint width, height;
gdk_drawable_get_size (gtk_widget_get_window (GTK_WIDGET (scroll)),
&width, &height);
/* set the font */
PangoLayout *layout = _get_pango (scroll, cr);
pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
pango_layout_set_width (layout, (width - priv->padding_x*2) * PANGO_SCALE);
pango_layout_set_indent (layout, -20 * PANGO_SCALE);
/* paint the lyrics*/
cairo_save (cr);
cairo_new_path (cr);
cairo_rectangle (cr,
priv->padding_x, 0,
width - priv->padding_x * 2,
height - priv->padding_y * 2);
cairo_close_path (cr);
cairo_clip (cr);
int i;
gint current_lyric_id;
gint lrc_y;
_calc_paint_pos (scroll,
¤t_lyric_id,
&lrc_y);
int begin = current_lyric_id - count / 2;
int end = current_lyric_id + count / 2 + 1;
int ypos = height / 2 - lrc_y - (count / 2 + 1) * line_height;
cairo_set_source_rgb(cr,
priv->inactive_color.r,
priv->inactive_color.g,
priv->inactive_color.b);
if (scroll->whole_lyrics != NULL) {
for (i = begin; i < end; i++) {
ypos += line_height;
if (i < 0) continue;
if (i >= scroll->whole_lyrics->len)
break;
pango_layout_set_text (layout,
g_ptr_array_index (scroll->whole_lyrics, i),
-1);
cairo_save (cr);
double ratio = _get_active_color_ratio (scroll, i);
double alpha = 1.0;
if (ypos < line_height / 2.0 + priv->padding_y)
alpha = 1.0 - (line_height / 2.0 + priv->padding_y - ypos) * 1.0 / line_height * 2;
else if (ypos > height - line_height * 1.5 - priv->padding_y)
alpha = (height - line_height - priv->padding_y - ypos) * 1.0 / line_height * 2;
if (alpha < 0.0) alpha = 0.0;
cairo_set_source_rgba (cr,
priv->active_color.r * ratio +
priv->inactive_color.r * (1 - ratio),
priv->active_color.g * ratio +
priv->inactive_color.g * (1 - ratio),
priv->active_color.b * ratio +
priv->inactive_color.b * (1 - ratio),
alpha);
cairo_move_to (cr, priv->padding_x, ypos);
pango_cairo_update_layout (cr, layout);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
if (pango_layout_is_wrapped (layout)) {
// There is more than one line, offset ypos according to the number of
// additional lines
ypos += (pango_layout_get_line_count (layout) - 1)
* ol_scroll_window_get_font_height (scroll);
}
}
}
g_object_unref (layout);
cairo_reset_clip (cr);
cairo_restore (cr);
}
