86 lines
1.7 KiB
C
86 lines
1.7 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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uiParent **pages;
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uintmax_t len;
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uintmax_t cap;
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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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uintmax_t i;
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for (i = 0; i < t->len; i++)
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uiParentDestroy(t->pages[i]);
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uiFree(t->pages);
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uiFree(t);
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}
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#define tabCapGrow 32
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static void tabAddPage(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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uiParent *content;
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if (t->len >= t->cap) {
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t->cap += tabCapGrow;
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t->pages = (uiParent **) uiRealloc(t->pages, t->cap * sizeof (uiParent *), "uiParent *[]");
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}
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content = uiNewParent((uintptr_t) (t->container));
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uiParentSetMainControl(content, child);
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uiParentUpdate(content);
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gtk_notebook_set_tab_label_text(t->notebook, GTK_WIDGET(uiParentHandle(content)), name);
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t->pages[t->len] = content;
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t->len++;
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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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uiParent *p;
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uintmax_t i;
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p = t->pages[n];
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for (i = n; i < t->len - 1; i++)
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t->pages[i] = t->pages[i + 1];
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t->pages[i] = NULL;
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t->len--;
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// make sure the page's control isn't destroyed
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uiParentSetMainControl(p, 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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uiParentDestroy(p);
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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->widget = WIDGET(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)->AddPage = tabAddPage;
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uiTab(t)->DeletePage = tabDeletePage;
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return uiTab(t);
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}
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