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Check scrollbar size properly

master
Yevgen Muntyan 2007-01-18 03:37:56 -06:00
parent ed255511ce
commit bd7e25a9ed
1 changed files with 39 additions and 5 deletions
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44
moo/mooedit/moolineview.c
View File

@ -23,10 +23,13 @@ struct _MooLineViewPrivate {
gboolean busy;
gboolean scrolled;
GtkTextMark *end_mark;
GtkWidget *hscrollbar;
};
static void moo_line_view_finalize (GObject *object);
static void moo_line_view_parent_set (GtkWidget *widget,
GtkWidget *old_parent);
static void moo_line_view_realize (GtkWidget *widget);
static gboolean moo_line_view_button_release (GtkWidget *widget,
GdkEventButton *event);
@ -59,7 +62,8 @@ static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE (MooLineView, moo_line_view, MOO_TYPE_TEXT_VIEW)
static void moo_line_view_class_init (MooLineViewClass *klass)
static void
moo_line_view_class_init (MooLineViewClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
@ -70,6 +74,7 @@ static void moo_line_view_class_init (MooLineViewClass *klass)
widget_class->realize = moo_line_view_realize;
widget_class->button_release_event = moo_line_view_button_release;
widget_class->parent_set = moo_line_view_parent_set;
textview_class->move_cursor = moo_line_view_move_cursor;
textview_class->populate_popup = moo_line_view_populate_popup;
@ -102,10 +107,12 @@ static void moo_line_view_class_init (MooLineViewClass *klass)
}
static void moo_line_view_init (MooLineView *view)
static void
moo_line_view_init (MooLineView *view)
{
view->priv = G_TYPE_INSTANCE_GET_PRIVATE (view, MOO_TYPE_LINE_VIEW, MooLineViewPrivate);
view->priv->hscrollbar = NULL;
view->priv->line_data = _moo_data_new (g_direct_hash,
g_direct_equal,
NULL);
@ -119,7 +126,8 @@ static void moo_line_view_init (MooLineView *view)
}
static void moo_line_view_finalize (GObject *object)
static void
moo_line_view_finalize (GObject *object)
{
MooLineView *view = MOO_LINE_VIEW (object);
@ -129,6 +137,22 @@ static void moo_line_view_finalize (GObject *object)
}
static void
moo_line_view_parent_set (GtkWidget *widget,
GtkWidget *old_parent)
{
MooLineView *view = MOO_LINE_VIEW (widget);
view->priv->hscrollbar = NULL;
if (widget->parent && GTK_IS_SCROLLED_WINDOW (widget->parent))
view->priv->hscrollbar = GTK_SCROLLED_WINDOW(widget->parent)->hscrollbar;
if (GTK_WIDGET_CLASS (moo_line_view_parent_class)->parent_set)
GTK_WIDGET_CLASS (moo_line_view_parent_class)->parent_set (widget, old_parent);
}
GtkWidget*
moo_line_view_new (void)
{
@ -445,10 +469,20 @@ check_if_scrolled (MooLineView *view)
static void
check_if_scrolled (MooLineView *view)
{
int delta;
GtkAdjustment *adj = GTK_TEXT_VIEW (view)->vadjustment;
delta = 10;
if (view->priv->hscrollbar && GTK_WIDGET_VISIBLE (view->priv->hscrollbar))
{
int space;
gtk_widget_style_get (GTK_WIDGET (view)->parent, "scrollbar-spacing", &space, NULL);
delta = MAX (delta - 1, space + view->priv->hscrollbar->allocation.height) + 1;
}
view->priv->scrolled = adj && GTK_WIDGET_REALIZED (view) &&
/* XXX get scrollbar size here */
ABS (adj->value - (adj->upper - adj->page_size)) > 20;
ABS (adj->value - (adj->upper - adj->page_size)) > delta;
}
#endif