133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
// 12 april 2015
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#include "uipriv_unix.h"
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// TODOs
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// - clean up the bin handling
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// - in particular, why are we holding a reference to binWidget again? if we should, then get rid of binSetParent() entirely!
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struct tab {
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uiTab t;
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GtkWidget *widget;
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GtkContainer *container;
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GtkNotebook *notebook;
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GArray *pages;
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};
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struct tabPage {
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uiContainer *bin;
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GtkWidget *binWidget;
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int margined;
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};
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static void onDestroy(void *data)
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{
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struct tab *t = (struct tab *) data;
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guint i;
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struct tabPage *p;
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// first hide ourselves to avoid flicker
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gtk_widget_hide(t->widget);
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// the pages do not have a libui parent, so we can simply destroy them
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// we need to remove them from the tab first; see below
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for (i = 0; i < t->pages->len; i++) {
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p = &g_array_index(t->pages, struct tabPage, i);
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gtk_container_remove(t->container, p->binWidget);
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uiControlDestroy(uiControl(p->bin));
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}
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// then free ourselves
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g_array_free(t->pages, TRUE);
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uiFree(t);
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}
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#define tabCapGrow 32
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static void tabAppendPage(uiTab *tt, const char *name, uiControl *child)
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{
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struct tab *t = (struct tab *) tt;
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struct tabPage p;
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p.bin = newBin();
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binSetMainControl(p.bin, child);
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// and add it as a tab page
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binSetParent(p.bin, (uintptr_t) (t->container));
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p.binWidget = GTK_WIDGET(uiControlHandle(uiControl(p.bin)));
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gtk_notebook_set_tab_label_text(t->notebook, p.binWidget, name);
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g_array_append_val(t->pages, p);
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}
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static void tabDeletePage(uiTab *tt, uintmax_t n)
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{
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struct tab *t = (struct tab *) tt;
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struct tabPage *p;
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p = &g_array_index(t->pages, struct tabPage, n);
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// make sure the page's control isn't destroyed
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binSetMainControl(p->bin, NULL);
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// now destroy the page
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// this will also remove the tab
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// why? simple: both gtk_notebook_remove_tab() and gtk_widget_destroy() call gtk_container_remove()
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// we need to remove them from the tab first, though, otherwise they won't really be destroyed properly
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// (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
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gtk_container_remove(t->container, p->binWidget);
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uiControlDestroy(uiControl(p->bin));
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g_array_remove_index(t->pages, n);
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}
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static uintmax_t tabNumPages(uiTab *tt)
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{
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struct tab *t = (struct tab *) tt;
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return t->pages->len;
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}
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static int tabMargined(uiTab *tt, uintmax_t n)
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{
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struct tab *t = (struct tab *) tt;
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struct tabPage *p;
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p = &g_array_index(t->pages, struct tabPage, n);
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return p->margined;
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}
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static void tabSetMargined(uiTab *tt, uintmax_t n, int margined)
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{
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struct tab *t = (struct tab *) tt;
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struct tabPage *p;
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p = &g_array_index(t->pages, struct tabPage, n);
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p->margined = margined;
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if (p->margined)
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binSetMargins(p->bin, gtkXMargin, gtkYMargin, gtkXMargin, gtkYMargin);
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else
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binSetMargins(p->bin, 0, 0, 0, 0);
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}
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uiTab *uiNewTab(void)
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{
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struct tab *t;
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t = uiNew(struct tab);
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uiUnixNewControl(uiControl(t), GTK_TYPE_NOTEBOOK,
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FALSE, FALSE, onDestroy, t,
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NULL);
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t->pages = g_array_new(FALSE, TRUE, sizeof (struct tabPage));
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t->widget = GTK_WIDGET(uiControlHandle(uiControl(t)));
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t->container = GTK_CONTAINER(t->widget);
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t->notebook = GTK_NOTEBOOK(t->widget);
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uiTab(t)->AppendPage = tabAppendPage;
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uiTab(t)->DeletePage = tabDeletePage;
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uiTab(t)->NumPages = tabNumPages;
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uiTab(t)->Margined = tabMargined;
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uiTab(t)->SetMargined = tabSetMargined;
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return uiTab(t);
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}
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