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only emit "value_changed" if we really passed a new value.

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Sat May  2 20:19:03 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
                "value_changed" if we really passed a new value.
                        (gtk_adjustment_changed): new function to emit the "changed" signal.
                                (gtk_adjustment_set_value): new function to emit the "value_changed"
                                        signal.
This commit is contained in:
Tim Janik 1998-05-02 18:35:23 +00:00 committed by Tim Janik
parent 998ac31096
commit d466bcb7a0
9 changed files with 95 additions and 14 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

8
ChangeLog.pre-2-0
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

8
ChangeLog.pre-2-10
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

8
ChangeLog.pre-2-2
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

8
ChangeLog.pre-2-4
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

8
ChangeLog.pre-2-6
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

8
ChangeLog.pre-2-8
View File

@ -1,3 +1,11 @@
Sat May 2 20:19:03 1998 Tim Janik <timj@gtk.org>
* gtk/gtkadjustment.c (gtk_adjustment_set_value): only emit
"value_changed" if we really passed a new value.
(gtk_adjustment_changed): new function to emit the "changed" signal.
(gtk_adjustment_set_value): new function to emit the "value_changed"
signal.
Fri May 1 12:28:35 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkcombo.c: Further changes to the way the window

25
gtk/gtkadjustment.c
View File

@ -126,7 +126,30 @@ gtk_adjustment_set_value (GtkAdjustment *adjustment,
g_return_if_fail (adjustment != NULL);
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
adjustment->value = CLAMP (value, adjustment->lower, adjustment->upper);
value = CLAMP (value, adjustment->lower, adjustment->upper);
if (value != adjustment->value)
{
adjustment->value = value;
gtk_signal_emit_by_name (GTK_OBJECT (adjustment), "value_changed");
}
}
void
gtk_adjustment_changed (GtkAdjustment *adjustment)
{
g_return_if_fail (adjustment != NULL);
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
gtk_signal_emit_by_name (GTK_OBJECT (adjustment), "changed");
}
void
gtk_adjustment_value_changed (GtkAdjustment *adjustment)
{
g_return_if_fail (adjustment != NULL);
g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
gtk_signal_emit_by_name (GTK_OBJECT (adjustment), "value_changed");
}

28
gtk/gtkadjustment.h
View File

@ -59,19 +59,21 @@ struct _GtkAdjustmentClass
};
GtkType gtk_adjustment_get_type (void);
GtkObject* gtk_adjustment_new (gfloat value,
gfloat lower,
gfloat upper,
gfloat step_increment,
gfloat page_increment,
gfloat page_size);
void gtk_adjustment_set_value (GtkAdjustment *adjustment,
gfloat value);
void gtk_adjustment_clamp_page (GtkAdjustment *adjustment,
gfloat lower,
gfloat upper);
GtkType gtk_adjustment_get_type (void);
GtkObject* gtk_adjustment_new (gfloat value,
gfloat lower,
gfloat upper,
gfloat step_increment,
gfloat page_increment,
gfloat page_size);
void gtk_adjustment_set_value (GtkAdjustment *adjustment,
gfloat value);
void gtk_adjustment_changed (GtkAdjustment *adjustment);
void gtk_adjustment_value_changed (GtkAdjustment *adjustment);
void gtk_adjustment_clamp_page (GtkAdjustment *adjustment,
gfloat lower,
gfloat upper);