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delete children widget

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This commit is contained in:
Cedric Roux
2016-05-04 15:21:52 +02:00
parent 87acde28f7
commit deefb1854f
4 changed files with 100 additions and 1 deletions
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common/utils/T/tracer/gui/widget.c
+76 -1
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@@ -12,6 +12,7 @@ static void default_allocate(
gui *gui, widget *_this, int x, int y, int width, int height);
static void default_add_child(
gui *_gui, widget *_this, widget *child, int position);
static void default_del_child(gui *_gui, widget *_this, widget *child);
static void default_hints(gui *g, widget *this, int *width, int *height);
static void default_button(gui *gui, widget *_this, int x, int y, int button,
int up);
@@ -47,6 +48,7 @@ widget *new_widget(struct gui *g, enum widget_type type, int size)
ret->clear = default_clear;
ret->repack = default_repack;
ret->add_child = default_add_child;
ret->del_child = default_del_child;
ret->allocate = default_allocate;
ret->hints = default_hints;
ret->button = default_button;
@@ -121,6 +123,65 @@ repack:
send_event(_gui, REPACK, p->id);
}
void widget_del_child_internal(gui *_gui, widget *parent, widget *child)
{
struct widget *p = parent;
struct widget *c = child;
struct widget_list *prev, *cur;
int i;
c->parent = NULL;
prev = NULL;
cur = p->children;
while (cur != NULL && cur->item != c) {
prev = cur;
cur = cur->next;
}
if (cur == NULL) ERR("child not found\n");
if (prev == NULL) {
/* child is at head */
p->children = cur->next;
if (p->children != NULL) p->children->last = cur->last;
goto done;
}
if (cur->next == NULL) {
/* child is last (and prev is != NULL) */
prev->next = NULL;
p->children->last = prev;
goto done;
}
/* child is between two existing items */
prev->next = cur->next;
done:
free(cur);
send_event(_gui, REPACK, p->id);
}
int widget_get_child_position(gui *_gui, widget *parent, widget *child)
{
struct widget *p = parent;
struct widget *c = child;
struct widget_list *cur;
int i = 0;
cur = p->children;
while (cur != NULL && cur->item != c) {
cur = cur->next;
i++;
}
if (cur == NULL) return -1;
return i;
}
/*************************************************************************/
/* default functions */
/*************************************************************************/
@@ -140,12 +201,18 @@ static void default_repack(gui *gui, widget *_this)
}
static void default_add_child(
gui *_gui, widget *_this, widget *child, int position)
gui *_gui, widget *_this, widget *child, int position)
{
struct widget *this = _this;
WARN("cannot add child to widget %s\n", widget_name(this->type));
}
static void default_del_child( gui *_gui, widget *_this, widget *child)
{
struct widget *this = _this;
WARN("cannot del child from widget %s\n", widget_name(this->type));
}
static void default_allocate(
gui *gui, widget *_this, int x, int y, int width, int height)
{
@@ -180,6 +247,14 @@ void widget_add_child(gui *_gui, widget *parent, widget *child, int position)
gunlock(_gui);
}
void widget_del_child(gui *_gui, widget *parent, widget *child)
{
struct widget *this = parent;
glock(_gui);
this->del_child(_gui, parent, child);
gunlock(_gui);
}
void widget_dirty(gui *_gui, widget *_this)
{
struct gui *g = _gui;