static void on_scale_value_changed_simple (GtkRange *range, gpointer data)
{
double fGammaPercent = gtk_range_get_value (GTK_RANGE (range));
double fGamma = _percent_to_gamma (fGammaPercent);
myData.Xgamma.red = fGamma;
myData.Xgamma.blue = fGamma;
myData.Xgamma.green = fGamma;
xgamma_set_gamma (&myData.Xgamma);
}
static void _xgamma_apply_value_simple (int iClickedButton, GtkWidget *pWidget, gpointer data, CairoDialog *pDialog)
{
if (iClickedButton == 0 || iClickedButton == -1) // ok button or Enter.
{
cd_message ("%s (ok)", __func__);
}
else
{
cd_message ("%s (cancel)", __func__);
myData.Xgamma = myData.XoldGamma;
xgamma_set_gamma (&myData.Xgamma);
}
}
static void on_scale_value_changed (GtkRange *range, gpointer data)
{
int iChannelNumber = GPOINTER_TO_INT (data);
cd_message ("%s (%d, %.2f)", __func__, iChannelNumber, gtk_range_get_value (GTK_RANGE (range)));
switch (iChannelNumber)
{
case 0 :
{
double fOldGamma = (myData.Xgamma.red + myData.Xgamma.blue + myData.Xgamma.green) / 3;
double fNewGamma = gtk_range_get_value (GTK_RANGE (range));
double fDeltaGamma = fNewGamma - fOldGamma;
myData.Xgamma.red += fDeltaGamma;
myData.Xgamma.red = MAX (GAMMA_MIN, MIN (GAMMA_MAX, myData.Xgamma.red));
myData.Xgamma.green += fDeltaGamma;
myData.Xgamma.green = MAX (GAMMA_MIN, MIN (GAMMA_MAX, myData.Xgamma.green));
myData.Xgamma.blue += fDeltaGamma;
myData.Xgamma.blue = MAX (GAMMA_MIN, MIN (GAMMA_MAX, myData.Xgamma.blue));
g_signal_handler_block (myData.pRedScale, myData.iRedScaleSignalID);
g_signal_handler_block (myData.pGreenScale, myData.iGreenScaleSignalID);
g_signal_handler_block (myData.pBlueScale, myData.iBlueScaleSignalID);
gtk_range_set_value (GTK_RANGE (myData.pRedScale), myData.Xgamma.red);
gtk_range_set_value (GTK_RANGE (myData.pGreenScale), myData.Xgamma.green);
gtk_range_set_value (GTK_RANGE (myData.pBlueScale), myData.Xgamma.blue);
g_signal_handler_unblock (myData.pRedScale, myData.iRedScaleSignalID);
g_signal_handler_unblock (myData.pGreenScale, myData.iGreenScaleSignalID);
g_signal_handler_unblock (myData.pBlueScale, myData.iBlueScaleSignalID);
}
break ;
case 1 :
myData.Xgamma.red = gtk_range_get_value (GTK_RANGE (range));
break ;
case 2 :
myData.Xgamma.blue = gtk_range_get_value (GTK_RANGE (range));
break ;
case 3 :
myData.Xgamma.green = gtk_range_get_value (GTK_RANGE (range));
break ;
}
xgamma_set_gamma (&myData.Xgamma);
}
void xgamma_add_gamma (XF86VidModeGamma *pGamma, gint iNbSteps)
{
if (iNbSteps == 0)
return;
double fGamma = xgamma_get_gamma (pGamma);
double fGammaPercent = _gamma_to_percent (fGamma);
fGammaPercent += iNbSteps * myConfig.iScrollVariation;
double fNewGamma = _percent_to_gamma (fGammaPercent);
double f = fNewGamma / fGamma;
myData.Xgamma.red *= f;
myData.Xgamma.green *= f;
myData.Xgamma.blue *= f;
xgamma_set_gamma (&myData.Xgamma);
}
static void _xgamma_apply_values (int iClickedButton, GtkWidget *pWidget, gpointer data, CairoDialog *pDialog)
{
if (iClickedButton == 0 || iClickedButton == -1) // ok button or Enter.
{
cd_message ("%s (ok)", __func__);
}
else
{
cd_message ("%s (cancel)", __func__);
myData.Xgamma = myData.XoldGamma;
xgamma_set_gamma (&myData.Xgamma);
}
gldi_dialog_hide (myData.pDialog);
gldi_object_ref (GLDI_OBJECT(myData.pDialog)); // pour garder notre dialogue en vie.
}
void xgamma_apply_values (int iClickedButton, GtkWidget *pWidget, gpointer data, CairoDialog *pDialog)
{
if (iClickedButton == 0)
{
cd_message ("%s (ok)", __func__);
}
else
{
cd_message ("%s (cancel)", __func__);
myData.Xgamma = myData.XoldGamma;
xgamma_set_gamma (&myData.Xgamma);
}
cairo_dock_hide_dialog (myData.pDialog);
cairo_dock_dialog_reference (myData.pDialog); // pour garder notre dialogue en vie.
}