/**
* uber_label_block_button_press_event:
* @widget: A #GtkWidget.
* @event: A #GdkEventButton.
* @label: An #UberLabel.
*
* Callback to handle a button press event within the colored block.
*
* Returns: %FALSE always to allow further signal emission.
* Side effects: None.
*/
static gboolean
uber_label_block_button_press_event (GtkWidget *widget, /* IN */
GdkEventButton *event, /* IN */
UberLabel *label) /* IN */
{
UberLabelPrivate *priv;
GtkWidget *dialog;
GtkWidget *selection;
g_return_val_if_fail(UBER_IS_LABEL(label), FALSE);
priv = label->priv;
dialog = gtk_color_selection_dialog_new("");
selection = gtk_color_selection_dialog_get_color_selection(
GTK_COLOR_SELECTION_DIALOG(dialog));
gtk_color_selection_set_current_color(
GTK_COLOR_SELECTION(selection),
&priv->color);
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) {
gtk_color_selection_get_current_color(
GTK_COLOR_SELECTION(selection),
&priv->color);
gtk_widget_queue_draw(widget);
g_signal_emit(label, signals[COLOR_CHANGED],
0, &priv->color);
}
gtk_widget_destroy(dialog);
return FALSE;
}
/**
* uber_label_set_text:
* @label: A #UberLabel.
* @text: The label text.
*
* Sets the text for the label.
*
* Returns: None.
* Side effects: None.
*/
void
uber_label_set_text (UberLabel *label, /* IN */
const gchar *text) /* IN */
{
UberLabelPrivate *priv;
g_return_if_fail(UBER_IS_LABEL(label));
priv = label->priv;
gtk_label_set_text(GTK_LABEL(priv->label), text);
}
/**
* uber_label_set_color:
* @label: A #UberLabel.
* @color: A #GdkColor.
*
* Sets the color of the label.
*
* Returns: None.
* Side effects: None.
*/
void
uber_label_set_color (UberLabel *label, /* IN */
const GdkColor *color) /* IN */
{
UberLabelPrivate *priv;
g_return_if_fail(UBER_IS_LABEL(label));
priv = label->priv;
priv->color = *color;
}
static void
uber_label_block_expose_event (GtkWidget *block, /* IN */
GdkEventExpose *event, /* IN */
UberLabel *label) /* IN */
{
UberLabelPrivate *priv;
GtkAllocation alloc;
cairo_t *cr;
g_return_if_fail(UBER_IS_LABEL(label));
priv = label->priv;
gtk_widget_get_allocation(block, &alloc);
cr = gdk_cairo_create(event->window);
/*
* Clip drawing region.
*/
gdk_cairo_rectangle(cr, &event->area);
cairo_clip(cr);
/*
* Draw background.
*/
gdk_cairo_set_source_color(cr, &priv->color);
cairo_rectangle(cr, .5, .5, alloc.width - 1., alloc.height - 1.);
cairo_fill_preserve(cr);
/*
* Add highlight if mouse is in the block.
*/
if (priv->in_block) {
cairo_set_source_rgba(cr, 1., 1., 1., .3);
cairo_fill_preserve(cr);
}
/*
* Stroke the edge of the block.
*/
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgba(cr, 0., 0., 0., .5);
cairo_stroke(cr);
/*
* Stroke the highlight of the block.
*/
cairo_rectangle(cr, 1.5, 1.5, alloc.width - 3., alloc.height - 3.);
cairo_set_source_rgba(cr, 1., 1., 1., .5);
cairo_stroke(cr);
}
void
uber_line_graph_bind_label (UberLineGraph *graph, /* IN */
guint line, /* IN */
UberLabel *label) /* IN */
{
UberLineGraphPrivate *priv;
LineInfo *info;
g_return_if_fail(UBER_IS_LINE_GRAPH(graph));
g_return_if_fail(UBER_IS_LABEL(label));
g_return_if_fail(line > 0);
g_return_if_fail(line <= graph->priv->lines->len);
priv = graph->priv;
info = &g_array_index(priv->lines, LineInfo, line - 1);
if (info->label_id) {
g_signal_handler_disconnect(info->label, info->label_id);
}
info->label = label;
info->label_id = g_signal_connect(label,
"color-changed",
G_CALLBACK(uber_line_graph_color_changed),
graph);
}
