DeforaOS/Panel
DeforaOS/Panel
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Implement polling

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This is inefficient but now the applet works.
This commit is contained in:
Pierre Pronchery 2016-02-28 19:23:21 +01:00
parent d95830ca2d
commit 17b044f41d
1 changed files with 56 additions and 24 deletions
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80
src/applets/leds.c
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@ -36,8 +36,10 @@ typedef struct _PanelApplet
GtkWidget * widget;
GtkWidget * leds[XkbNumIndicators];
gulong source;
guint timeout;
GdkDisplay * display;
XkbDescPtr xkb;
} LEDs;
@ -49,6 +51,7 @@ static void _leds_destroy(LEDs * leds);
/* callbacks */
static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
gpointer data);
static gboolean _leds_on_timeout(gpointer data);
/* public */
@ -83,9 +86,15 @@ static LEDs * _leds_init(PanelAppletHelper * helper, GtkWidget ** widget)
leds->widget = gtk_hbox_new(TRUE, 4);
#endif
for(i = 0; i < XkbNumIndicators; i++)
leds->leds[i] = NULL;
{
leds->leds[i] = gtk_image_new();
gtk_widget_set_no_show_all(leds->leds[i], TRUE);
gtk_box_pack_start(GTK_BOX(leds->widget), leds->leds[i], FALSE,
TRUE, 0);
}
leds->source = g_signal_connect(leds->widget, "screen-changed",
G_CALLBACK(_leds_on_screen_changed), leds);
leds->timeout = 0;
leds->display = NULL;
gtk_widget_show(leds->widget);
*widget = leds->widget;
@ -96,9 +105,11 @@ static LEDs * _leds_init(PanelAppletHelper * helper, GtkWidget ** widget)
/* leds_destroy */
static void _leds_destroy(LEDs * leds)
{
/* XXX free xkb? */
if(leds->timeout != 0)
g_source_remove(leds->timeout);
if(leds->source != 0)
g_signal_handler_disconnect(leds->widget, leds->source);
leds->source = 0;
gtk_widget_destroy(leds->widget);
object_delete(leds);
}
@ -109,6 +120,7 @@ static void _leds_destroy(LEDs * leds)
static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
gpointer data)
{
const unsigned int timeout = 500;
LEDs * leds = data;
PanelAppletHelper * helper = leds->helper;
GdkScreen * screen;
@ -118,16 +130,17 @@ static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
int opcode;
int event;
int error;
XkbDescPtr xkb;
unsigned int i;
unsigned int bit;
unsigned int n;
GtkIconSize iconsize;
(void) previous;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(leds->xkb != NULL)
/* XXX free xkb? */
leds->xkb = NULL;
if(leds->timeout != 0)
g_source_remove(leds->timeout);
leds->timeout = 0;
screen = gtk_widget_get_screen(widget);
leds->display = gdk_screen_get_display(screen);
major = XkbMajorVersion;
@ -146,16 +159,15 @@ static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
helper->error(NULL, buf, 1);
return;
}
if((xkb = XkbGetMap(GDK_DISPLAY_XDISPLAY(leds->display), 0,
if((leds->xkb = XkbGetMap(GDK_DISPLAY_XDISPLAY(leds->display), 0,
XkbUseCoreKbd)) == NULL)
{
snprintf(buf, sizeof(buf), "%s", _("Could not obtain XKB map"));
helper->error(NULL, buf, 1);
return;
}
/* XXX free xkb when returning? */
if(XkbGetIndicatorMap(GDK_DISPLAY_XDISPLAY(leds->display),
XkbAllIndicatorsMask, xkb) != Success)
XkbAllIndicatorsMask, leds->xkb) != Success)
{
snprintf(buf, sizeof(buf), "%s",
_("Could not obtain XKB indicator map"));
@ -163,7 +175,7 @@ static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
return;
}
if(XkbGetNames(GDK_DISPLAY_XDISPLAY(leds->display), XkbAllNamesMask,
xkb) != Success)
leds->xkb) != Success)
{
snprintf(buf, sizeof(buf), "%s",
_("Could not obtain XKB names"));
@ -173,29 +185,49 @@ static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
XkbSelectEvents(GDK_DISPLAY_XDISPLAY(leds->display), XkbUseCoreKbd,
XkbIndicatorStateNotifyMask,
XkbIndicatorStateNotifyMask);
/* FIXME react on XKB events instead */
if(_leds_on_timeout(leds) != FALSE)
leds->source = g_timeout_add(timeout, _leds_on_timeout, leds);
}
/* leds_on_timeout */
static gboolean _leds_on_timeout(gpointer data)
{
LEDs * leds = data;
PanelAppletHelper * helper = leds->helper;
GtkIconSize iconsize;
unsigned int n;
unsigned int i;
unsigned int bit;
char buf[16];
iconsize = panel_window_get_icon_size(helper->window);
XkbGetIndicatorState(GDK_DISPLAY_XDISPLAY(leds->display), XkbUseCoreKbd,
&n);
iconsize = panel_window_get_icon_size(helper->window);
for(i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1)
{
if(xkb->names->indicators[i] == None)
continue;
if((xkb->indicators->phys_indicators & bit) == 0)
if(leds->xkb->names->indicators[i] == None
|| (leds->xkb->indicators->phys_indicators
& bit) == 0)
{
gtk_widget_hide(leds->leds[i]);
continue;
}
#if GTK_CHECK_VERSION(3, 10, 0)
widget = gtk_image_new_from_icon_name(GTK_STOCK_DIALOG_INFO,
iconsize);
gtk_image_set_from_icon_name(GTK_IMAGE(leds->leds[i]),
GTK_STOCK_DIALOG_INFO, iconsize);
#else
widget = gtk_image_new_from_stock(GTK_STOCK_DIALOG_INFO,
iconsize);
gtk_image_set_from_stock(GTK_IMAGE(leds->leds[i]),
GTK_STOCK_DIALOG_INFO, iconsize);
#endif
leds->leds[i] = widget;
#if GTK_CHECK_VERSION(2, 12, 0)
snprintf(buf, sizeof(buf), _("LED %u"), i + 1);
gtk_widget_set_tooltip_text(widget, buf);
gtk_widget_set_tooltip_text(leds->leds[i], buf);
#endif
gtk_widget_set_sensitive(widget, (n & bit) ? TRUE : FALSE);
gtk_box_pack_start(GTK_BOX(leds->widget), widget, FALSE, TRUE,
0);
gtk_widget_set_sensitive(leds->leds[i], (n & bit)
? TRUE : FALSE);
gtk_widget_show(leds->leds[i]);
}
return TRUE;
}