Desktop
/* $Id: panel.c,v 1.2 2010/08/01 16:01:49 khorben Exp $ */
/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* 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, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <System.h>
#include <string.h>
#include <gtk/gtk.h>
#include "Phone.h"
#include "../phone.h"
/* Panel */
/* private */
/* types */
typedef enum _PanelSignal
{
PANEL_SIGNAL_UNKNOWN,
PANEL_SIGNAL_00,
PANEL_SIGNAL_25,
PANEL_SIGNAL_50,
PANEL_SIGNAL_75,
PANEL_SIGNAL_100
} PanelSignal;
#define PANEL_SIGNAL_LAST PANEL_SIGNAL_100
#define PANEL_SIGNAL_COUNT (PANEL_SIGNAL_LAST + 1)
typedef struct _Panel
{
guint source;
PanelSignal signal;
GtkWidget * hbox;
GtkWidget * icon;
GtkWidget * image;
GtkWidget * operator;
} Panel;
/* prototypes */
static int _panel_init(PhonePlugin * plugin);
static int _panel_destroy(PhonePlugin * plugin);
static int _panel_event(PhonePlugin * plugin, PhoneEvent event, ...);
static void _panel_set_signal_level(Panel * panel, gdouble level);
/* public */
/* variables */
PhonePlugin plugin =
{
NULL,
"Panel",
NULL,
_panel_init,
_panel_destroy,
_panel_event,
NULL,
NULL
};
/* private */
/* functions */
/* panel_init */
static gboolean _on_plug_delete_event(gpointer data);
static void _on_plug_embedded(gpointer data);
static int _panel_init(PhonePlugin * plugin)
{
Panel * panel;
PangoFontDescription * bold;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if((panel = object_new(sizeof(*panel))) == NULL)
return 1;
plugin->priv = panel;
panel->source = 0;
bold = pango_font_description_new();
pango_font_description_set_weight(bold, PANGO_WEIGHT_BOLD);
panel->signal = -1;
panel->icon = gtk_plug_new(0);
g_signal_connect_swapped(G_OBJECT(panel->icon), "delete-event",
G_CALLBACK(_on_plug_delete_event), panel);
g_signal_connect_swapped(G_OBJECT(panel->icon), "embedded", G_CALLBACK(
_on_plug_embedded), panel);
panel->hbox = gtk_hbox_new(FALSE, 2);
panel->image = gtk_image_new();
gtk_box_pack_start(GTK_BOX(panel->hbox), panel->image, FALSE, TRUE, 0);
panel->operator = gtk_label_new(NULL);
gtk_widget_modify_font(panel->operator, bold);
gtk_box_pack_start(GTK_BOX(panel->hbox), panel->operator, TRUE, TRUE,
0);
_panel_set_signal_level(panel, 0.0 / 0.0);
gtk_container_add(GTK_CONTAINER(panel->icon), panel->hbox);
gtk_widget_show_all(panel->icon);
gtk_widget_map(panel->icon);
pango_font_description_free(bold);
_on_plug_delete_event(panel);
return 0;
}
static gboolean _on_plug_delete_event(gpointer data)
{
Panel * panel = data;
GdkEvent event;
GdkEventClient * client = &event.client;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(panel->source == 0)
panel->source = g_timeout_add(5000, _on_plug_delete_event,
panel);
memset(&event, 0, sizeof(event));
client->type = GDK_CLIENT_EVENT;
client->window = NULL;
client->send_event = TRUE;
client->message_type = gdk_atom_intern(PHONE_EMBED_MESSAGE, FALSE);
client->data_format = 32;
client->data.l[0] = gtk_plug_get_id(GTK_PLUG(panel->icon));
gdk_event_send_clientmessage_toall(&event);
return TRUE;
}
static void _on_plug_embedded(gpointer data)
{
Panel * panel = data;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(panel->source != 0)
g_source_remove(panel->source);
panel->source = 0;
}
/* panel_destroy */
static int _panel_destroy(PhonePlugin * plugin)
{
Panel * panel = plugin->priv;
_on_plug_embedded(panel);
gtk_widget_destroy(panel->hbox);
return 0;
}
/* panel_event */
static int _event_set_operator(Panel * panel, char const * operator);
static int _panel_event(PhonePlugin * plugin, PhoneEvent event, ...)
{
Panel * panel = plugin->priv;
va_list ap;
char const * operator;
gdouble level;
va_start(ap, event);
switch(event)
{
case PHONE_EVENT_SET_OPERATOR:
operator = va_arg(ap, char const *);
_event_set_operator(panel, operator);
break;
case PHONE_EVENT_SET_SIGNAL_LEVEL:
level = va_arg(ap, gdouble);
_panel_set_signal_level(panel, level);
break;
default:
break;
}
va_end(ap);
return 0;
}
static int _event_set_operator(Panel * panel, char const * operator)
{
gtk_label_set_text(GTK_LABEL(panel->operator), operator);
return 0;
}
/* panel_set_signal_level */
static void _signal_level_set_image(Panel * panel, PanelSignal signal);
static void _panel_set_signal_level(Panel * panel, gdouble level)
{
if(level < 0.0)
_signal_level_set_image(panel, PANEL_SIGNAL_00);
else if(level < 0.25)
_signal_level_set_image(panel, PANEL_SIGNAL_25);
else if(level < 0.50)
_signal_level_set_image(panel, PANEL_SIGNAL_50);
else if(level < 0.75)
_signal_level_set_image(panel, PANEL_SIGNAL_75);
else if(level <= 1.0)
_signal_level_set_image(panel, PANEL_SIGNAL_100);
else
_signal_level_set_image(panel, PANEL_SIGNAL_UNKNOWN);
}
static void _signal_level_set_image(Panel * panel, PanelSignal signal)
{
char const * icons[PANEL_SIGNAL_COUNT] =
{
"stock_cell-phone",
"phone-signal-00",
"phone-signal-25",
"phone-signal-50",
"phone-signal-75",
"phone-signal-100"
};
if(panel->signal == signal)
return;
panel->signal = signal;
/* XXX may not be the correct size */
gtk_image_set_from_icon_name(GTK_IMAGE(panel->image), icons[signal],
GTK_ICON_SIZE_SMALL_TOOLBAR);
}