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Add properties to GtkAdjustment. (#64601, Murray Cumming)

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Fri Jan 30 00:45:46 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkadjustment.c: Add properties to GtkAdjustment.
	(#64601, Murray Cumming)
This commit is contained in:
Matthias Clasen 2004-01-29 23:49:25 +00:00 committed by Matthias Clasen
parent a5f9b185ab
commit cbfda60af1
6 changed files with 204 additions and 12 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Fri Jan 30 00:45:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkadjustment.c: Add properties to GtkAdjustment.
(#64601, Murray Cumming)
Fri Jan 30 00:13:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombo.c (gtk_combo_set_popdown_strings): Allow NULL

5
ChangeLog.pre-2-10
View File

@ -1,3 +1,8 @@
Fri Jan 30 00:45:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkadjustment.c: Add properties to GtkAdjustment.
(#64601, Murray Cumming)
Fri Jan 30 00:13:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombo.c (gtk_combo_set_popdown_strings): Allow NULL

5
ChangeLog.pre-2-4
View File

@ -1,3 +1,8 @@
Fri Jan 30 00:45:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkadjustment.c: Add properties to GtkAdjustment.
(#64601, Murray Cumming)
Fri Jan 30 00:13:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombo.c (gtk_combo_set_popdown_strings): Allow NULL

5
ChangeLog.pre-2-6
View File

@ -1,3 +1,8 @@
Fri Jan 30 00:45:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkadjustment.c: Add properties to GtkAdjustment.
(#64601, Murray Cumming)
Fri Jan 30 00:13:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombo.c (gtk_combo_set_popdown_strings): Allow NULL

5
ChangeLog.pre-2-8
View File

@ -1,3 +1,8 @@
Fri Jan 30 00:45:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkadjustment.c: Add properties to GtkAdjustment.
(#64601, Murray Cumming)
Fri Jan 30 00:13:46 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtkcombo.c (gtk_combo_set_popdown_strings): Allow NULL

191
gtk/gtkadjustment.c
View File

@ -25,8 +25,19 @@
*/
#include "gtkadjustment.h"
#include "gtkintl.h"
#include "gtkmarshalers.h"
enum
{
PROP_0,
PROP_VALUE,
PROP_LOWER,
PROP_UPPER,
PROP_STEP_INCREMENT,
PROP_PAGE_INCREMENT,
PROP_PAGE_SIZE
};
enum {
CHANGED,
@ -38,6 +49,14 @@ enum {
static void gtk_adjustment_class_init (GtkAdjustmentClass *klass);
static void gtk_adjustment_init (GtkAdjustment *adjustment);
static void gtk_adjustment_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_adjustment_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static guint adjustment_signals[LAST_SIGNAL] = { 0 };
@ -73,9 +92,75 @@ gtk_adjustment_get_type (void)
static void
gtk_adjustment_class_init (GtkAdjustmentClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
gobject_class->set_property = gtk_adjustment_set_property;
gobject_class->get_property = gtk_adjustment_get_property;
class->changed = NULL;
class->value_changed = NULL;
g_object_class_install_property (gobject_class,
PROP_VALUE,
g_param_spec_double ("value",
P_("Value"),
P_("The value of the adjustment"),
-G_MAXDOUBLE,
G_MAXDOUBLE,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_LOWER,
g_param_spec_double ("lower",
P_("Minimum Value"),
P_("The minimum value of the adjustment"),
-G_MAXDOUBLE,
G_MAXDOUBLE,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_UPPER,
g_param_spec_double ("upper",
P_("Maximum Value"),
P_("The maximum value of the adjustment"),
-G_MAXDOUBLE,
G_MAXDOUBLE,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_STEP_INCREMENT,
g_param_spec_double ("step-increment",
P_("Step Increment"),
P_("The step increment of the adjustment"),
-G_MAXDOUBLE,
G_MAXDOUBLE,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_PAGE_INCREMENT,
g_param_spec_double ("page-increment",
P_("Page Increment"),
P_("The page increment of the adjustment"),
-G_MAXDOUBLE,
G_MAXDOUBLE,
0.0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_PAGE_SIZE,
g_param_spec_double ("page-size",
P_("Page Size"),
P_("The page size of the adjustment"),
-G_MAXDOUBLE,
G_MAXDOUBLE,
0.0,
G_PARAM_READWRITE));
adjustment_signals[CHANGED] =
g_signal_new ("changed",
G_OBJECT_CLASS_TYPE (class),
@ -105,6 +190,91 @@ gtk_adjustment_init (GtkAdjustment *adjustment)
adjustment->page_size = 0.0;
}
static void
gtk_adjustment_get_property (GObject *object, guint prop_id, GValue *value,
GParamSpec *pspec)
{
GtkAdjustment *adjustment = GTK_ADJUSTMENT (object);
switch (prop_id)
{
case PROP_VALUE:
g_value_set_double (value, adjustment->value);
break;
case PROP_LOWER:
g_value_set_double (value, adjustment->lower);
break;
case PROP_UPPER:
g_value_set_double (value, adjustment->upper);
break;
case PROP_STEP_INCREMENT:
g_value_set_double (value, adjustment->step_increment);
break;
case PROP_PAGE_INCREMENT:
g_value_set_double (value, adjustment->page_increment);
break;
case PROP_PAGE_SIZE:
g_value_set_double (value, adjustment->page_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_adjustment_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GtkAdjustment *adjustment = GTK_ADJUSTMENT (object);
gdouble double_value = g_value_get_double (value);
switch (prop_id)
{
case PROP_VALUE:
gtk_adjustment_set_value (GTK_ADJUSTMENT (object), double_value);
break;
case PROP_LOWER:
if (adjustment->lower != double_value)
{
adjustment->lower = double_value;
g_object_notify (G_OBJECT (adjustment), "lower");
}
break;
case PROP_UPPER:
if (adjustment->upper != double_value)
{
adjustment->upper = double_value;
g_object_notify (G_OBJECT (adjustment), "upper");
}
break;
case PROP_STEP_INCREMENT:
if (adjustment->step_increment != double_value)
{
adjustment->step_increment = double_value;
g_object_notify (G_OBJECT (adjustment), "step-increment");
}
break;
case PROP_PAGE_INCREMENT:
if (adjustment->page_increment != double_value)
{
adjustment->page_increment = double_value;
g_object_notify (G_OBJECT (adjustment), "page-increment");
}
break;
case PROP_PAGE_SIZE:
if (adjustment->page_size != double_value)
{
adjustment->page_size = double_value;
g_object_notify (G_OBJECT (adjustment), "page-size");
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
GtkObject*
gtk_adjustment_new (gdouble value,
gdouble lower,
@ -113,18 +283,14 @@ gtk_adjustment_new (gdouble value,
gdouble page_increment,
gdouble page_size)
{
GtkAdjustment *adjustment;
adjustment = g_object_new (GTK_TYPE_ADJUSTMENT, NULL);
adjustment->value = value;
adjustment->lower = lower;
adjustment->upper = upper;
adjustment->step_increment = step_increment;
adjustment->page_increment = page_increment;
adjustment->page_size = page_size;
return GTK_OBJECT (adjustment);
return g_object_new (GTK_TYPE_ADJUSTMENT,
"value", value,
"lower", lower,
"upper", upper,
"step-increment", step_increment,
"page-increment", page_increment,
"page_size", page_size,
NULL);
}
/**
@ -174,6 +340,7 @@ gtk_adjustment_value_changed (GtkAdjustment *adjustment)
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
g_signal_emit (adjustment, adjustment_signals[VALUE_CHANGED], 0);
g_object_notify (G_OBJECT (adjustment), "value");
}
void