libui/unix/tab.c

85 lines
1.7 KiB
C

// 12 april 2015
#include "uipriv_unix.h"
struct tab {
uiTab t;
GtkWidget *widget;
GtkContainer *container;
GtkNotebook *notebook;
uiParent **pages;
uintmax_t len;
uintmax_t cap;
};
static void onDestroy(uiControl *c)
{
struct tab *t = (struct tab *) c;
uintmax_t i;
for (i = 0; i < t->len; i++)
uiParentDestroy(t->pages[i]);
uiFree(t->pages);
uiFree(t);
}
#define tabCapGrow 32
static void tabAddPage(uiTab *tt, const char *name, uiControl *child)
{
struct tab *t = (struct tab *) tt;
uiParent *content;
if (t->len >= t->cap) {
t->cap += tabCapGrow;
t->pages = (uiParent **) uiRealloc(t->pages, t->cap * sizeof (uiParent *), "uiParent *[]");
}
content = uiNewParent((uintptr_t) (t->container));
uiParentSetMainControl(content, child);
uiParentUpdate(content);
gtk_notebook_set_tab_label_text(t->notebook, GTK_WIDGET(uiParentHandle(content)), name);
t->pages[t->len] = content;
t->len++;
}
static void tabDeletePage(uiTab *tt, uintmax_t n)
{
struct tab *t = (struct tab *) tt;
uiParent *p;
uintmax_t i;
p = t->pages[n];
for (i = n; i < t->len - 1; i++)
t->pages[i] = t->pages[i + 1];
t->pages[i] = NULL;
t->len--;
// make sure the page's control isn't destroyed
uiParentSetMainControl(p, NULL);
uiParentDestroy(p);
// TODO destroying the parent does this?
// gtk_notebook_remove_page(t->notebook, n);
}
uiTab *uiNewTab(void)
{
struct tab *t;
t = uiNew(struct tab);
uiUnixNewControl(uiControl(t), GTK_TYPE_NOTEBOOK,
FALSE, FALSE, onDestroy,
NULL);
t->widget = WIDGET(t);
t->container = GTK_CONTAINER(t->widget);
t->notebook = GTK_NOTEBOOK(t->widget);
uiTab(t)->AddPage = tabAddPage;
uiTab(t)->DeletePage = tabDeletePage;
return uiTab(t);
}