static void
mate_color_button_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (object);
GdkColor color;
switch (param_id)
{
case PROP_USE_ALPHA:
g_value_set_boolean (value, mate_color_button_get_use_alpha (color_button));
break;
case PROP_TITLE:
g_value_set_string (value, mate_color_button_get_title (color_button));
break;
case PROP_COLOR:
mate_color_button_get_color (color_button, &color);
g_value_set_boxed (value, &color);
break;
case PROP_ALPHA:
g_value_set_uint (value, mate_color_button_get_alpha (color_button));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
dialog_cancel_clicked (GtkWidget *widget,
gpointer data)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (data);
gtk_widget_hide (color_button->priv->cs_dialog);
}
static gboolean
dialog_destroy (GtkWidget *widget,
gpointer data)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (data);
color_button->priv->cs_dialog = NULL;
return FALSE;
}
static void
mate_color_button_clicked (GtkButton *button)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (button);
MateColorSelectionDialog *color_dialog;
/* if dialog already exists, make sure it's shown and raised */
if (!color_button->priv->cs_dialog)
{
/* Create the dialog and connects its buttons */
GtkWidget *parent;
parent = gtk_widget_get_toplevel (GTK_WIDGET (color_button));
color_button->priv->cs_dialog = mate_color_selection_dialog_new (color_button->priv->title);
color_dialog = MATE_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog);
if (gtk_widget_is_toplevel (parent) && GTK_IS_WINDOW (parent))
{
if (GTK_WINDOW (parent) != gtk_window_get_transient_for (GTK_WINDOW (color_dialog)))
gtk_window_set_transient_for (GTK_WINDOW (color_dialog), GTK_WINDOW (parent));
gtk_window_set_modal (GTK_WINDOW (color_dialog),
gtk_window_get_modal (GTK_WINDOW (parent)));
}
g_signal_connect (color_dialog->ok_button, "clicked",
G_CALLBACK (dialog_ok_clicked), color_button);
g_signal_connect (color_dialog->cancel_button, "clicked",
G_CALLBACK (dialog_cancel_clicked), color_button);
g_signal_connect (color_dialog, "destroy",
G_CALLBACK (dialog_destroy), color_button);
}
color_dialog = MATE_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog);
mate_color_selection_set_has_opacity_control (MATE_COLOR_SELECTION (color_dialog->colorsel),
color_button->priv->use_alpha);
mate_color_selection_set_has_palette (MATE_COLOR_SELECTION (color_dialog->colorsel), TRUE);
mate_color_selection_set_previous_color (MATE_COLOR_SELECTION (color_dialog->colorsel),
&color_button->priv->color);
mate_color_selection_set_previous_alpha (MATE_COLOR_SELECTION (color_dialog->colorsel),
color_button->priv->alpha);
mate_color_selection_set_current_color (MATE_COLOR_SELECTION (color_dialog->colorsel),
&color_button->priv->color);
mate_color_selection_set_current_alpha (MATE_COLOR_SELECTION (color_dialog->colorsel),
color_button->priv->alpha);
gtk_window_present (GTK_WINDOW (color_button->priv->cs_dialog));
}
static void
mate_color_button_finalize (GObject *object)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (object);
if (color_button->priv->cs_dialog != NULL)
gtk_widget_destroy (color_button->priv->cs_dialog);
color_button->priv->cs_dialog = NULL;
g_free (color_button->priv->title);
color_button->priv->title = NULL;
G_OBJECT_CLASS (mate_color_button_parent_class)->finalize (object);
}
/* Handle exposure events for the color picker's drawing area */
static gboolean
draw (GtkWidget *widget,
cairo_t *cr,
gpointer data)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (data);
cairo_pattern_t *checkered;
if (mate_color_button_has_alpha (color_button))
{
cairo_save (cr);
cairo_set_source_rgb (cr, CHECK_DARK, CHECK_DARK, CHECK_DARK);
cairo_paint (cr);
cairo_set_source_rgb (cr, CHECK_LIGHT, CHECK_LIGHT, CHECK_LIGHT);
cairo_scale (cr, CHECK_SIZE, CHECK_SIZE);
checkered = mate_color_button_get_checkered ();
cairo_mask (cr, checkered);
cairo_pattern_destroy (checkered);
cairo_restore (cr);
cairo_set_source_rgba (cr,
color_button->priv->color.red / 65535.,
color_button->priv->color.green / 65535.,
color_button->priv->color.blue / 65535.,
color_button->priv->alpha / 65535.);
}
else
{
gdk_cairo_set_source_color (cr, &color_button->priv->color);
}
cairo_paint (cr);
if (!gtk_widget_is_sensitive (GTK_WIDGET (color_button)))
{
gdk_cairo_set_source_color (cr, >k_widget_get_style (GTK_WIDGET(color_button))->bg[GTK_STATE_INSENSITIVE]);
checkered = mate_color_button_get_checkered ();
cairo_mask (cr, checkered);
cairo_pattern_destroy (checkered);
}
return FALSE;
}
static void
dialog_ok_clicked (GtkWidget *widget,
gpointer data)
{
MateColorButton *color_button = MATE_COLOR_BUTTON (data);
MateColorSelection *color_selection;
color_selection = MATE_COLOR_SELECTION (MATE_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog)->colorsel);
mate_color_selection_get_current_color (color_selection, &color_button->priv->color);
color_button->priv->alpha = mate_color_selection_get_current_alpha (color_selection);
gtk_widget_hide (color_button->priv->cs_dialog);
gtk_widget_queue_draw (color_button->priv->draw_area);
g_signal_emit (color_button, color_button_signals[COLOR_SET], 0);
g_object_freeze_notify (G_OBJECT (color_button));
g_object_notify (G_OBJECT (color_button), "color");
g_object_notify (G_OBJECT (color_button), "alpha");
g_object_thaw_notify (G_OBJECT (color_button));
}
static gint
expose_event (GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
#endif
{
MateColorButton *color_button = MATE_COLOR_BUTTON (data);
GtkAllocation allocation;
cairo_pattern_t *checkered;
#if !GTK_CHECK_VERSION (3, 0, 0)
cairo_t *cr;
cr = gdk_cairo_create (event->window);
gtk_widget_get_allocation (widget, &allocation);
gdk_cairo_rectangle (cr, &allocation);
cairo_clip (cr);
#endif
if (mate_color_button_has_alpha (color_button))
{
cairo_save (cr);
cairo_set_source_rgb (cr, CHECK_DARK, CHECK_DARK, CHECK_DARK);
cairo_paint (cr);
cairo_set_source_rgb (cr, CHECK_LIGHT, CHECK_LIGHT, CHECK_LIGHT);
cairo_scale (cr, CHECK_SIZE, CHECK_SIZE);
checkered = mate_color_button_get_checkered ();
cairo_mask (cr, checkered);
cairo_pattern_destroy (checkered);
cairo_restore (cr);
cairo_set_source_rgba (cr,
color_button->priv->color.red / 65535.,
color_button->priv->color.green / 65535.,
color_button->priv->color.blue / 65535.,
color_button->priv->alpha / 65535.);
}
else
{
gdk_cairo_set_source_color (cr, &color_button->priv->color);
}
cairo_paint (cr);
if (!gtk_widget_is_sensitive (GTK_WIDGET (color_button)))
{
gdk_cairo_set_source_color (cr, >k_widget_get_style (GTK_WIDGET(color_button))->bg[GTK_STATE_INSENSITIVE]);
checkered = mate_color_button_get_checkered ();
cairo_mask (cr, checkered);
cairo_pattern_destroy (checkered);
}
#if !GTK_CHECK_VERSION (3, 0, 0)
cairo_destroy (cr);
#endif
return FALSE;
}
