111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
// 12 april 2015
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#include "uipriv_unix.h"
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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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uiBin *bin;
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// TODO remove the need for this
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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 *page;
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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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page = &g_array_index(t->pages, struct tabPage, i);
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uiBinRemoveOSParent(page->bin);
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uiControlDestroy(uiControl(page->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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static void tabShow(uiControl *c)
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{
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struct tab *t = (struct tab *) t;
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// don't call gtk_widget_show_all() like the default handler does; that'll override user hiding of children
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gtk_widget_show(t->widget);
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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 *page;
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page = &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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uiBinSetMainControl(page->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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// TODO redo this comment
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uiBinRemoveOSParent(page->bin);
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uiControlDestroy(uiControl(page->bin));
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g_array_remove_index(t->pages, n);
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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 *page;
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page = &g_array_index(t->pages, struct tabPage, n);
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return page->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 *page;
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page = &g_array_index(t->pages, struct tabPage, n);
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page->margined = margined;
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if (page->margined)
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uiBinSetMargins(page->bin, gtkXMargin, gtkYMargin, gtkXMargin, gtkYMargin);
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else
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uiBinSetMargins(page->bin, 0, 0, 0, 0);
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uiContainerUpdate(page->bin);
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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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uiControl(t)->Show = tabShow;
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uiTab(t)->AppendPage = tabAppendPage;
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uiTab(t)->InsertPageBefore = tabInsertPageBefore;
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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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