[egg-list-box] Clean up signal handling
- From: Alexander Larsson <alexl src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [egg-list-box] Clean up signal handling
- Date: Thu, 16 Aug 2012 18:39:13 +0000 (UTC)
commit 25f31106e8b69e9c11671d5f89ad822558ea5383
Author: Alexander Larsson <alexl redhat com>
Date: Thu Aug 16 14:51:04 2012 +0200
Clean up signal handling
egg-list-box.c | 162 ++++++++++++++++++++++++++++++++++----------------------
1 files changed, 98 insertions(+), 64 deletions(-)
---
diff --git a/egg-list-box.c b/egg-list-box.c
index f12e182..1f13cc5 100644
--- a/egg-list-box.c
+++ b/egg-list-box.c
@@ -122,6 +122,15 @@ struct _Block1Data
gint move;
};
+enum {
+ CHILD_SELECTED,
+ CHILD_ACTIVATED,
+ ACTIVATE_CURSOR_CHILD,
+ TOGGLE_CURSOR_CHILD,
+ MOVE_CURSOR,
+ LAST_SIGNAL
+};
+
enum {
PROP_0
};
@@ -228,10 +237,6 @@ static Block1Data* block1_data_ref (B
static void block1_data_unref (void *_userdata_);
static gboolean __lambda2_ (Block1Data *_data1_);
static gboolean ___lambda2__gsource_func (gpointer self);
-static void egg_list_box_real_child_selected (EggListBox *self,
-GtkWidget *child);
-static void egg_list_box_real_child_activated (EggListBox *self,
-GtkWidget *child);
static void egg_list_box_real_activate_cursor_child (EggListBox *self);
static void egg_list_box_real_toggle_cursor_child (EggListBox *self);
static void egg_list_box_real_move_cursor (EggListBox *self,
@@ -243,6 +248,9 @@ static void _egg_list_box_child_visibility_changed_g_object_notify (GObject
GParamSpec *pspec,
gpointer self);
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
GtkWidget *
egg_list_box_get_selected_child (EggListBox *self)
{
@@ -258,7 +266,7 @@ GtkWidget *
egg_list_box_get_child_at_y (EggListBox *self, gint y)
{
EggListBoxChildInfo *child;
-
+
g_return_val_if_fail (self != NULL, NULL);
child = egg_list_box_find_child_at_y (self, y);
@@ -338,7 +346,7 @@ egg_list_box_set_filter_func (EggListBox *self,
self->priv->filter_func = f;
self->priv->filter_func_target = f_target;
self->priv->filter_func_target_destroy_notify = f_target_destroy_notify;
-
+
egg_list_box_refilter (self);
}
@@ -539,8 +547,8 @@ egg_list_box_update_selected (EggListBox *self,
(child == NULL || self->priv->selection_mode != GTK_SELECTION_NONE))
{
self->priv->selected_child = child;
- g_signal_emit_by_name (self, "child-selected",
- (self->priv->selected_child != NULL) ? self->priv->selected_child->widget : NULL);
+ g_signal_emit (self, signals[CHILD_SELECTED], 0,
+ (self->priv->selected_child != NULL) ? self->priv->selected_child->widget : NULL);
gtk_widget_queue_draw ((GtkWidget*) self);
}
if (child != NULL)
@@ -558,7 +566,7 @@ egg_list_box_select_and_activate (EggListBox *self, EggListBoxChildInfo *child)
egg_list_box_update_selected (self, child);
if (w != NULL)
- g_signal_emit_by_name (self, "child-activated", w);
+ g_signal_emit (self, signals[CHILD_ACTIVATED], 0, w);
}
static void
@@ -612,7 +620,7 @@ egg_list_box_real_leave_notify_event (GtkWidget *base,
if (event->window != gtk_widget_get_window ((GtkWidget*) self))
return FALSE;
-
+
if (event->detail != GDK_NOTIFY_INFERIOR)
child = NULL;
else
@@ -657,8 +665,8 @@ egg_list_box_real_button_press_event (GtkWidget *base,
if (event->type == GDK_2BUTTON_PRESS &&
!self->priv->activate_single_click &&
child->widget != NULL)
- g_signal_emit_by_name (self, "child-activated",
- child->widget);
+ g_signal_emit (self, signals[CHILD_ACTIVATED], 0,
+ child->widget);
}
/* TODO:
@@ -697,9 +705,9 @@ static void
egg_list_box_real_show (GtkWidget *base)
{
EggListBox * self = EGG_LIST_BOX (base);
-
+
egg_list_box_reseparate (self);
-
+
GTK_WIDGET_CLASS (egg_list_box_parent_class)->show ((GtkWidget*) G_TYPE_CHECK_INSTANCE_CAST (self, GTK_TYPE_CONTAINER, GtkContainer));
}
@@ -779,16 +787,16 @@ egg_list_box_real_focus (GtkWidget* base, GtkDirectionType direction)
if (direction == GTK_DIR_UP)
{
i = egg_list_box_get_previous_visible (self, current_focus_child->iter);
- if (i != NULL)
+ if (i != NULL)
next_focus_child = g_sequence_get (i);
-
+
}
else
{
i = egg_list_box_get_next_visible (self, current_focus_child->iter);
if (!g_sequence_iter_is_end (i))
next_focus_child = g_sequence_get (i);
-
+
}
}
else
@@ -875,7 +883,7 @@ egg_list_box_real_draw (GtkWidget* base, cairo_t* cr)
found = egg_list_box_child_flags_find_or_add (flags, &flags_length, self->priv->active_child);
found->state |= GTK_STATE_FLAG_ACTIVE;
}
-
+
for (i = 0; i < flags_length; i++)
{
EggListBoxChildFlags *flag = &flags[i];
@@ -1013,7 +1021,7 @@ egg_list_box_get_previous_visible (EggListBox *self,
return iter;
}
while (!g_sequence_iter_is_begin (iter));
-
+
return NULL;
}
@@ -1066,7 +1074,7 @@ egg_list_box_update_separator (EggListBox *self, GSequenceIter* iter)
before_info = g_sequence_get (before_iter);
before_child = _g_object_ref0 (before_info->widget);
}
-
+
if (self->priv->update_separator_func != NULL &&
gtk_widget_get_visible (child) &&
gtk_widget_get_child_visible (child))
@@ -1174,7 +1182,7 @@ egg_list_box_real_remove (GtkContainer* base, GtkWidget* child)
was_visible = gtk_widget_get_visible (child);
g_signal_handlers_disconnect_by_func (child, (GCallback) _egg_list_box_child_visibility_changed_g_object_notify, self);
-
+
info = egg_list_box_lookup_info (self, child);
if (info == NULL)
{
@@ -1194,7 +1202,7 @@ egg_list_box_real_remove (GtkContainer* base, GtkWidget* child)
}
return;
}
-
+
if (info->separator != NULL)
{
g_hash_table_remove (self->priv->separator_hash, info->separator);
@@ -1351,10 +1359,10 @@ egg_list_box_real_get_preferred_width (GtkWidget* base, gint* minimum_width_out,
GtkWidget *child;
gint child_min;
gint child_nat;
-
+
context = gtk_widget_get_style_context ((GtkWidget*) self);
gtk_style_context_get_style (context, "focus-line-width", &focus_width, "focus-padding", &focus_pad, NULL);
-
+
minimum_width = 0;
natural_width = 0;
@@ -1418,10 +1426,10 @@ egg_list_box_real_size_allocate (GtkWidget *base, GtkAllocation *allocation)
separator_allocation.y = 0;
separator_allocation.width = 0;
separator_allocation.height = 0;
-
+
gtk_widget_set_allocation ((GtkWidget*) self, allocation);
window = gtk_widget_get_window ((GtkWidget*) self);
- if (window != NULL)
+ if (window != NULL)
gdk_window_move_resize (window,
allocation->x, allocation->y,
allocation->width, allocation->height);
@@ -1449,7 +1457,7 @@ egg_list_box_real_size_allocate (GtkWidget *base, GtkAllocation *allocation)
child_info->height = 0;
continue;
}
-
+
if (child_info->separator != NULL)
{
gtk_widget_get_preferred_height_for_width (child_info->separator,
@@ -1460,10 +1468,10 @@ egg_list_box_real_size_allocate (GtkWidget *base, GtkAllocation *allocation)
&separator_allocation);
child_allocation.y += child_min;
}
-
+
child_info->y = child_allocation.y;
child_allocation.y += focus_width + focus_pad;
-
+
gtk_widget_get_preferred_height_for_width (child, child_allocation.width, &child_min, NULL);
child_allocation.height = child_min;
@@ -1501,7 +1509,7 @@ egg_list_box_drag_highlight_widget (EggListBox *self, GtkWidget *child)
egg_list_box_drag_unhighlight_widget (self);
gtk_drag_highlight (child);
-
+
old_highlight = self->priv->drag_highlighted_widget;
self->priv->drag_highlighted_widget = g_object_ref (child);
if (old_highlight)
@@ -1579,7 +1587,7 @@ egg_list_box_real_drag_motion (GtkWidget *base, GdkDragContext *context,
_data1_ = g_slice_new0 (Block1Data);
_data1_->_ref_count_ = 1;
_data1_->self = g_object_ref (self);
-
+
/* Part of the view triggering auto-scroll */
size = 30;
_data1_->move = 0;
@@ -1615,16 +1623,6 @@ egg_list_box_new (void)
}
static void
-egg_list_box_real_child_selected (EggListBox *self, GtkWidget *child)
-{
-}
-
-static void
-egg_list_box_real_child_activated (EggListBox *self, GtkWidget *child)
-{
-}
-
-static void
egg_list_box_real_activate_cursor_child (EggListBox *self)
{
egg_list_box_select_and_activate (self, self->priv->cursor_child);
@@ -1656,7 +1654,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
GSequenceIter *iter;
gint start_y;
gint end_y;
-
+
modify_selection_pressed = FALSE;
if (gtk_get_current_event_state (&state))
@@ -1666,7 +1664,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
if ((state & modify_mod_mask) == modify_mod_mask)
modify_selection_pressed = TRUE;
}
-
+
child = NULL;
switch (step)
{
@@ -1680,7 +1678,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
if (self->priv->cursor_child != NULL)
{
iter = self->priv->cursor_child->iter;
-
+
while (count < 0 && iter != NULL)
{
iter = egg_list_box_get_previous_visible (self, iter);
@@ -1691,7 +1689,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
iter = egg_list_box_get_next_visible (self, iter);
count = count - 1;
}
-
+
if (iter != NULL && !g_sequence_iter_is_end (iter))
child = g_sequence_get (iter);
}
@@ -1706,7 +1704,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
start_y = self->priv->cursor_child->y;
end_y = start_y;
iter = self->priv->cursor_child->iter;
-
+
child = self->priv->cursor_child;
if (count < 0)
{
@@ -1716,7 +1714,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
iter = egg_list_box_get_previous_visible (self, iter);
if (iter == NULL)
break;
-
+
prev = g_sequence_get (iter);
if (prev->y < start_y - page_size)
break;
@@ -1736,7 +1734,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
next = g_sequence_get (iter);
if (next->y > start_y + page_size)
break;
-
+
child = next;
}
}
@@ -1756,7 +1754,7 @@ egg_list_box_real_move_cursor (EggListBox *self, GtkMovementStep step, gint coun
gtk_widget_error_bell ((GtkWidget*) self);
return;
}
-
+
egg_list_box_update_cursor (self, child);
if (!modify_selection_pressed)
egg_list_box_update_selected (self, child);
@@ -1792,7 +1790,7 @@ egg_list_box_child_flags_find_or_add (EggListBoxChildFlags *array,
if (array[i].child == to_find)
return &array[i];
}
-
+
*array_length = *array_length + 1;
array[*array_length - 1].child = to_find;
array[*array_length - 1].state = 0;
@@ -1805,9 +1803,9 @@ egg_list_box_class_init (EggListBoxClass *klass)
GtkBindingSet *binding_set;
egg_list_box_parent_class = g_type_class_peek_parent (klass);
-
+
g_type_class_add_private (klass, sizeof (EggListBoxPrivate));
-
+
GTK_WIDGET_CLASS (klass)->enter_notify_event = egg_list_box_real_enter_notify_event;
GTK_WIDGET_CLASS (klass)->leave_notify_event = egg_list_box_real_leave_notify_event;
GTK_WIDGET_CLASS (klass)->motion_notify_event = egg_list_box_real_motion_notify_event;
@@ -1830,20 +1828,57 @@ egg_list_box_class_init (EggListBoxClass *klass)
GTK_WIDGET_CLASS (klass)->size_allocate = egg_list_box_real_size_allocate;
GTK_WIDGET_CLASS (klass)->drag_leave = egg_list_box_real_drag_leave;
GTK_WIDGET_CLASS (klass)->drag_motion = egg_list_box_real_drag_motion;
- EGG_LIST_BOX_CLASS (klass)->child_selected = egg_list_box_real_child_selected;
- EGG_LIST_BOX_CLASS (klass)->child_activated = egg_list_box_real_child_activated;
EGG_LIST_BOX_CLASS (klass)->activate_cursor_child = egg_list_box_real_activate_cursor_child;
EGG_LIST_BOX_CLASS (klass)->toggle_cursor_child = egg_list_box_real_toggle_cursor_child;
EGG_LIST_BOX_CLASS (klass)->move_cursor = egg_list_box_real_move_cursor;
G_OBJECT_CLASS (klass)->finalize = egg_list_box_finalize;
-
- g_signal_new ("child_selected", EGG_TYPE_LIST_BOX, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggListBoxClass, child_selected), NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, GTK_TYPE_WIDGET);
- g_signal_new ("child_activated", EGG_TYPE_LIST_BOX, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggListBoxClass, child_activated), NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, GTK_TYPE_WIDGET);
- g_signal_new ("activate_cursor_child", EGG_TYPE_LIST_BOX, G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (EggListBoxClass, activate_cursor_child), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
- g_signal_new ("toggle_cursor_child", EGG_TYPE_LIST_BOX, G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (EggListBoxClass, toggle_cursor_child), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
- g_signal_new ("move_cursor", EGG_TYPE_LIST_BOX, G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (EggListBoxClass, move_cursor), NULL, NULL, g_cclosure_user_marshal_VOID__ENUM_INT, G_TYPE_NONE, 2, GTK_TYPE_MOVEMENT_STEP, G_TYPE_INT);
-
+ signals[CHILD_SELECTED] =
+ g_signal_new ("child-selected",
+ EGG_TYPE_LIST_BOX,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EggListBoxClass, child_selected),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_WIDGET);
+ signals[CHILD_ACTIVATED] =
+ g_signal_new ("child-activated",
+ EGG_TYPE_LIST_BOX,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EggListBoxClass, child_activated),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_WIDGET);
+ signals[ACTIVATE_CURSOR_CHILD] =
+ g_signal_new ("activate-cursor-child",
+ EGG_TYPE_LIST_BOX,
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EggListBoxClass, activate_cursor_child),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ signals[TOGGLE_CURSOR_CHILD] =
+ g_signal_new ("toggle-cursor-child",
+ EGG_TYPE_LIST_BOX,
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EggListBoxClass, toggle_cursor_child),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ signals[MOVE_CURSOR] =
+ g_signal_new ("move-cursor",
+ EGG_TYPE_LIST_BOX,
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EggListBoxClass, move_cursor),
+ NULL, NULL,
+ g_cclosure_user_marshal_VOID__ENUM_INT,
+ G_TYPE_NONE, 2,
+ GTK_TYPE_MOVEMENT_STEP, G_TYPE_INT);
+
+ GTK_WIDGET_CLASS (klass)->activate_signal = signals[ACTIVATE_CURSOR_CHILD];
+
binding_set = gtk_binding_set_by_class (klass);
egg_list_box_add_move_binding (binding_set, GDK_KEY_Home, 0, GTK_MOVEMENT_BUFFER_ENDS, -1);
egg_list_box_add_move_binding (binding_set, GDK_KEY_KP_Home, 0, GTK_MOVEMENT_BUFFER_ENDS, -1);
@@ -1858,7 +1893,6 @@ egg_list_box_class_init (EggListBoxClass *klass)
egg_list_box_add_move_binding (binding_set, GDK_KEY_Page_Down, 0, GTK_MOVEMENT_PAGES, 1);
egg_list_box_add_move_binding (binding_set, GDK_KEY_KP_Page_Down, 0, GTK_MOVEMENT_PAGES, 1);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_space, GDK_CONTROL_MASK, "toggle-cursor-child", 0, NULL);
- GTK_WIDGET_CLASS (klass)->activate_signal = g_signal_lookup ("activate-cursor-child", EGG_TYPE_LIST_BOX);
}
static void
@@ -1871,7 +1905,7 @@ egg_list_box_init (EggListBox *self)
gtk_widget_set_redraw_on_allocate ((GtkWidget*) self, TRUE);
self->priv->selection_mode = GTK_SELECTION_SINGLE;
self->priv->activate_single_click = TRUE;
-
+
self->priv->children = g_sequence_new ((GDestroyNotify)egg_list_box_child_info_free);
self->priv->child_hash = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, NULL);
self->priv->separator_hash = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, NULL);
@@ -1903,6 +1937,6 @@ egg_list_box_finalize (GObject *obj)
g_sequence_free (self->priv->children);
g_hash_table_unref (self->priv->child_hash);
g_hash_table_unref (self->priv->separator_hash);
-
+
G_OBJECT_CLASS (egg_list_box_parent_class)->finalize (obj);
}
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