libui/darwin/tab.m

96 lines
2.2 KiB
Objective-C

// 12 april 2015
#import "uipriv_darwin.h"
// TODO
// - verify margins against extra space around the tab
struct tab {
uiTab t;
NSTabView *tabview;
NSMutableArray *pages;
};
static void destroy(void *data)
{
struct tab *t = (struct tab *) data;
[t->pages enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
NSValue *v = (NSValue *) obj;
uiParent *p;
p = (uiParent *) [v pointerValue];
uiParentDestroy(p);
}];
[t->pages release];
uiFree(t);
}
// the default new control implementation uses -sizeToFit, which we don't have with NSTabView
// fortunately, we do have -minimumSize
static void preferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
{
struct tab *t = (struct tab *) c;
NSSize s;
s = [t->tabview minimumSize];
*width = (intmax_t) (s.width);
*height = (intmax_t) (s.height);
}
static void tabAddPage(uiTab *tt, const char *name, uiControl *child)
{
struct tab *t = (struct tab *) tt;
uiParent *content;
NSTabViewItem *i;
content = uiNewParent(0);
uiParentSetMainControl(content, child);
[t->pages addObject:[NSValue valueWithPointer:content]];
i = [[NSTabViewItem alloc] initWithIdentifier:nil];
[i setLabel:toNSString(name)];
[i setView:((NSView *) uiParentHandle(content))];
[t->tabview addTabViewItem:i];
}
static void tabDeletePage(uiTab *tt, uintmax_t n)
{
struct tab *t = (struct tab *) tt;
NSValue *v;
uiParent *p;
NSTabViewItem *i;
v = (NSValue *) [t->pages objectAtIndex:n];
p = (uiParent *) [v pointerValue];
[t->pages removeObjectAtIndex:n];
// make sure the children of the tab aren't destroyed
uiParentSetMainControl(p, NULL);
// TODO negotiate lifetimes better
i = [t->tabview tabViewItemAtIndex:n];
[t->tabview removeTabViewItem:i];
}
uiTab *uiNewTab(void)
{
struct tab *t;
t = uiNew(struct tab);
uiDarwinNewControl(uiControl(t), [NSTabView class], NO, NO, destroy, t);
t->tabview = (NSTabView *) VIEW(t);
// also good for NSTabView (same selector and everything)
setStandardControlFont((NSControl *) (t->tabview));
t->pages = [NSMutableArray new];
uiControl(t)->PreferredSize = preferredSize;
uiTab(t)->AddPage = tabAddPage;
uiTab(t)->DeletePage = tabDeletePage;
return uiTab(t);
}