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gwinDestroy(), gwinGetFirstChild() and gwinGetNextChild()

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This commit is contained in:
Joel Bodenmann 2014-01-04 21:10:10 +01:00
parent ea4464bacc
commit 3a6dd294de
2 changed files with 43 additions and 4 deletions
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22
include/gwin/gwin.h
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@ -396,6 +396,28 @@ extern "C" {
* @api
*/
void gwinAddChild(GHandle parent, GHandle child, bool_t last);
/**
* @brief Get first child of a widget
*
* @return The first child or NULL if the widget has no children
*
* @param[in] gh The parent widget
*
* @api
*/
GHandle gwinGetFirstChild(GHandle gh);
/**
* @brief Get the next child of a widget
*
* @return The next child or NULL if no more childs
*
* @param[in] gh The parent widget
*
* @api
*/
GHandle gwinGetNextChild(GHandle gh);
#endif
#if GWIN_NEED_WINDOWMANAGER || defined (__DOXYGEN__)

25
src/gwin/gwin.c
View File

@ -180,6 +180,15 @@ GHandle gwinGWindowCreate(GDisplay *g, GWindowObject *pgw, const GWindowInit *pI
}
void gwinDestroy(GHandle gh) {
#if GWIN_NEED_HIERARCHY
// kill your children as long as you have any
while (gh->child) {
GHandle tmp = gh->child;
gh->child = gh->child->sibling;
gwinDestroy(tmp);
}
#endif
// Make the window invisible
gwinSetVisible(gh, FALSE);
@ -285,12 +294,12 @@ void gwinRedraw(GHandle gh) {
child->sibling = NULL;
child->child = NULL;
if(!parent)
if (!parent)
return;
if(last && parent->child) {
if (last && parent->child) {
GHandle s = parent->child;
while(s->sibling)
while (s->sibling)
s = s->sibling;
s->sibling = child;
} else {
@ -298,12 +307,20 @@ void gwinRedraw(GHandle gh) {
parent->child = child;
}
}
GHandle gwinGetFirstChild(GHandle gh) {
return gh->child;
}
GHandle gwinGetNextChild(GHandle gh) {
return gh->sibling;
}
#endif
void gwinClear(GHandle gh) {
/*
* Don't render anything when the window is not visible but
* still call the AfterClear() routine as some widgets will
* still call return gh->child->sibling;the AfterClear() routine as some widgets will
* need this to clear internal buffers or similar
*/
if (!((gh->flags & GWIN_FLG_VISIBLE))) {