libui/redo/unix/tab.c

152 lines
3.7 KiB
C

// 11 june 2015
#include "uipriv_unix.h"
struct tab {
uiTab t;
GtkWidget *widget;
GtkContainer *container;
GtkNotebook *notebook;
GArray *pages;
void (*baseCommitDestroy)(uiControl *);
};
struct tabPage {
uiControl *bin;
GtkWidget *binWidget;
uiControl *c;
};
uiDefineControlType(uiTab, uiTypeTab, struct tab)
static void tabCommitDestroy(uiControl *c)
{
struct tab *t = (struct tab *) c;
guint i;
struct tabPage *page;
// the pages do not have a libui parent, so we can simply destroy them
// we need to remove them from the tab first; see below
for (i = 0; i < t->pages->len; i++) {
page = &g_array_index(t->pages, struct tabPage, i);
binSetChild(page->bin, NULL);
uiControlDestroy(page->c);
uiControlSetParent(page->bin, NULL);
uiControlDestroy(page->bin);
}
// then free ourselves
g_array_free(t->pages, TRUE);
(*(t->baseCommitDestroy))(uiControl(t));
}
static uintptr_t tabHandle(uiControl *c)
{
struct tab *t = (struct tab *) c;
return (uintptr_t) (t->widget);
}
// TODO tabContainerUpdateState()?
static void tabAppend(uiTab *tt, const char *name, uiControl *child)
{
struct tab *t = (struct tab *) tt;
uiTabInsertAt(tt, name, t->pages->len, child);
}
static void tabInsertAt(uiTab *tt, const char *name, uintmax_t n, uiControl *child)
{
struct tab *t = (struct tab *) tt;
struct tabPage page;
page.c = child;
page.bin = newBin();
page.binWidget = GTK_WIDGET(uiControlHandle(page.bin));
binSetChild(page.bin, page.c);
uiControlSetParent(page.bin, uiControl(t));
gtk_notebook_set_tab_label_text(t->notebook, page.binWidget, name);
gtk_notebook_reorder_child(t->notebook, page.binWidget, n);
g_array_insert_val(t->pages, n, page);
}
static void tabDelete(uiTab *tt, uintmax_t n)
{
struct tab *t = (struct tab *) tt;
struct tabPage *page;
page = &g_array_index(t->pages, struct tabPage, n);
// make sure the page's control isn't destroyed
binSetChild(page->bin, NULL);
// now destroy the page
// this will also remove the tab
// why? simple: both gtk_notebook_remove_tab() and gtk_widget_destroy() call gtk_container_remove()
// we need to remove them from the tab first, though, otherwise they won't really be destroyed properly
// (the GtkNotebook will still have the tab in it because its reference ISN'T destroyed, and we crash resizing a bin that no longer exists)
// TODO redo this comment
uiControlSetParent(page->bin, NULL);
uiControlDestroy(page->bin);
g_array_remove_index(t->pages, n);
}
static uintmax_t tabNumPages(uiTab *tt)
{
struct tab *t = (struct tab *) tt;
return t->pages->len;
}
static int tabMargined(uiTab *tt, uintmax_t n)
{
struct tab *t = (struct tab *) tt;
struct tabPage *page;
page = &g_array_index(t->pages, struct tabPage, n);
return binMargined(page->bin);
}
static void tabSetMargined(uiTab *tt, uintmax_t n, int margined)
{
struct tab *t = (struct tab *) tt;
struct tabPage *page;
page = &g_array_index(t->pages, struct tabPage, n);
binSetMargined(page->bin, margined);
}
uiTab *uiNewTab(void)
{
struct tab *t;
t = (struct tab *) uiNewControl(uiTypeTab());
t->widget = gtk_notebook_new();
t->container = GTK_CONTAINER(t->widget);
t->notebook = GTK_NOTEBOOK(t->widget);
uiUnixMakeSingleWidgetControl(uiControl(t), t->widget);
gtk_notebook_set_scrollable(t->notebook, TRUE);
t->pages = g_array_new(FALSE, TRUE, sizeof (struct tabPage));
uiControl(t)->Handle = tabHandle;
t->baseCommitDestroy = uiControl(t)->CommitDestroy;
uiControl(t)->CommitDestroy = tabCommitDestroy;
uiTab(t)->Append = tabAppend;
uiTab(t)->InsertAt = tabInsertAt;
uiTab(t)->Delete = tabDelete;
uiTab(t)->NumPages = tabNumPages;
uiTab(t)->Margined = tabMargined;
uiTab(t)->SetMargined = tabSetMargined;
return uiTab(t);
}