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/*
* Copyright (c) 2012 Mike Massonnet <mmassonnet@xfce.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* See the file COPYING for the full license text.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtk.h>
#include <libxfce4util/libxfce4util.h>
#include "monitor-label.h"
typedef struct _XnlpMonitorLabelClass XnlpMonitorLabelClass;
struct _XnlpMonitorLabelClass
{
GtkLabelClass parent_class;
};
struct _XnlpMonitorLabel
{
GtkLabel parent;
/*<private>*/
GtkCssProvider *css_provider;
gint count_width;
gint count_height;
gint width;
gint height;
};
G_DEFINE_TYPE (XnlpMonitorLabel, xnlp_monitor_label, GTK_TYPE_LABEL)
static void cb_label_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data);
static void
xnlp_monitor_label_class_init (XnlpMonitorLabelClass *klass)
{
xnlp_monitor_label_parent_class = g_type_class_peek_parent (klass);
}
static void
xnlp_monitor_label_init (XnlpMonitorLabel *label)
{
label->count_width = 0;
label->count_height = 0;
label->width = 0;
label->height = 0;
label->css_provider = gtk_css_provider_new ();
gtk_style_context_add_provider (
GTK_STYLE_CONTEXT (gtk_widget_get_style_context (GTK_WIDGET (label))),
GTK_STYLE_PROVIDER (label->css_provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
g_signal_connect (label, "notify::label", G_CALLBACK (cb_label_changed), NULL);
}
static void
cb_label_changed (GObject *object, GParamSpec *pspec, gpointer user_data)
{
XnlpMonitorLabel *label = XNLP_MONITOR_LABEL (object);
GtkWidget *widget = GTK_WIDGET (object);
GtkRequisition minimum_size;
GtkRequisition natural_size;
gtk_widget_set_size_request (widget, -1, -1);
gtk_widget_get_preferred_size (widget, &minimum_size, &natural_size);
if (minimum_size.width >= label->width)
{
label->width = minimum_size.width;
label->count_width = 0;
}
else if (label->count_width > 10)
{
label->width = minimum_size.width;
label->count_width = 0;
}
else
{
minimum_size.width = label->width;
label->count_width++;
}
if (minimum_size.height >= label->height)
{
label->height = minimum_size.height;
label->count_height = 0;
}
else if (label->count_height > 10)
{
label->height = minimum_size.height;
label->count_height = 0;
}
else
{
minimum_size.height = label->height;
label->count_height++;
}
gtk_widget_set_size_request (widget, minimum_size.width, minimum_size.height);
}
GtkWidget *
xnlp_monitor_label_new (const gchar *str)
{
GtkLabel *label;
label = g_object_new (XNLP_TYPE_MONITOR_LABEL, NULL);
if (str && *str)
gtk_label_set_text (label, str);
return GTK_WIDGET (label);
}
void
xnlp_monitor_label_set_color (XnlpMonitorLabel *label, GdkRGBA* color)
{
gchar * css;
if (color != NULL)
{
#if GTK_CHECK_VERSION (3, 20, 0)
css = g_strdup_printf("label { color: %s; }",
#else
css = g_strdup_printf(".label { color: %s; }",
#endif
gdk_rgba_to_string(color));
}
else
{
#if GTK_CHECK_VERSION (3, 20, 0)
css = g_strdup_printf("label { color: inherit; }");
#else
css = g_strdup_printf(".label { color: inherit; }");
#endif
}
gtk_css_provider_load_from_data (label->css_provider, css, strlen(css), NULL);
DBG("setting label css: %s", gtk_css_provider_to_string (label->css_provider));
g_free(css);
}
void
xnlp_monitor_label_reinit_size_request (XnlpMonitorLabel *label)
{
label->count_width = 0;
label->count_height = 0;
label->width = 0;
label->height = 0;
gtk_widget_set_size_request (GTK_WIDGET (label), -1, -1);
}
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