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scrolledwindow: Simplify _gtk_scrolled_window_set_adjustment_value()

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The two boolean arguments always received the same values, so wipe these
out. Likewise, the boolean return value is unused and sort of meaningless.
This commit is contained in:
Carlos Garnacho 2014-10-12 14:01:03 +02:00
parent 1ae5c2a138
commit c184bd4675
1 changed files with 12 additions and 32 deletions
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42
gtk/gtkscrolledwindow.c
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@ -270,11 +270,9 @@ static void gtk_scrolled_window_unmap (GtkWidget *wid
static void gtk_scrolled_window_grab_notify (GtkWidget *widget, static void gtk_scrolled_window_grab_notify (GtkWidget *widget,
gboolean was_grabbed); gboolean was_grabbed);
static gboolean _gtk_scrolled_window_set_adjustment_value (GtkScrolledWindow *scrolled_window, static void _gtk_scrolled_window_set_adjustment_value (GtkScrolledWindow *scrolled_window,
GtkAdjustment *adjustment, GtkAdjustment *adjustment,
gdouble value, gdouble value);
gboolean allow_overshooting,
gboolean snap_to_border);
static void gtk_scrolled_window_cancel_deceleration (GtkScrolledWindow *scrolled_window); static void gtk_scrolled_window_cancel_deceleration (GtkScrolledWindow *scrolled_window);
@ -695,16 +693,16 @@ scrolled_window_drag_update_cb (GtkScrolledWindow *scrolled_window,
if (hadjustment && may_hscroll (scrolled_window)) if (hadjustment && may_hscroll (scrolled_window))
{ {
dx = priv->drag_start_x - offset_x; dx = priv->drag_start_x - offset_x;
_gtk_scrolled_window_set_adjustment_value (scrolled_window, hadjustment, _gtk_scrolled_window_set_adjustment_value (scrolled_window,
dx, TRUE, FALSE); hadjustment, dx);
} }
vadjustment = gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar)); vadjustment = gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar));
if (vadjustment && may_vscroll (scrolled_window)) if (vadjustment && may_vscroll (scrolled_window))
{ {
dy = priv->drag_start_y - offset_y; dy = priv->drag_start_y - offset_y;
_gtk_scrolled_window_set_adjustment_value (scrolled_window, vadjustment, _gtk_scrolled_window_set_adjustment_value (scrolled_window,
dy, TRUE, FALSE); vadjustment, dy);
} }
gtk_scrolled_window_invalidate_overshoot (scrolled_window); gtk_scrolled_window_invalidate_overshoot (scrolled_window);
@ -2484,45 +2482,27 @@ gtk_scrolled_window_scroll_event (GtkWidget *widget,
return handled; return handled;
} }
static gboolean static void
_gtk_scrolled_window_set_adjustment_value (GtkScrolledWindow *scrolled_window, _gtk_scrolled_window_set_adjustment_value (GtkScrolledWindow *scrolled_window,
GtkAdjustment *adjustment, GtkAdjustment *adjustment,
gdouble value, gdouble value)
gboolean allow_overshooting,
gboolean snap_to_border)
{ {
GtkScrolledWindowPrivate *priv = scrolled_window->priv; GtkScrolledWindowPrivate *priv = scrolled_window->priv;
gdouble lower, upper, *prev_value; gdouble lower, upper, *prev_value;
lower = gtk_adjustment_get_lower (adjustment); lower = gtk_adjustment_get_lower (adjustment) - MAX_OVERSHOOT_DISTANCE;
upper = gtk_adjustment_get_upper (adjustment) - upper = gtk_adjustment_get_upper (adjustment) -
gtk_adjustment_get_page_size (adjustment); gtk_adjustment_get_page_size (adjustment) + MAX_OVERSHOOT_DISTANCE;
if (adjustment == gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar))) if (adjustment == gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar)))
prev_value = &priv->unclamped_hadj_value; prev_value = &priv->unclamped_hadj_value;
else if (adjustment == gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar))) else if (adjustment == gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar)))
prev_value = &priv->unclamped_vadj_value; prev_value = &priv->unclamped_vadj_value;
else else
return FALSE; return;
if (snap_to_border)
{
if (*prev_value < 0 && value > 0)
value = 0;
else if (*prev_value > upper && value < upper)
value = upper;
}
if (allow_overshooting)
{
lower -= MAX_OVERSHOOT_DISTANCE;
upper += MAX_OVERSHOOT_DISTANCE;
}
*prev_value = CLAMP (value, lower, upper); *prev_value = CLAMP (value, lower, upper);
gtk_adjustment_set_value (adjustment, value); gtk_adjustment_set_value (adjustment, value);
return (*prev_value != value);
} }
static gboolean static gboolean