152 lines
3.7 KiB
C
152 lines
3.7 KiB
C
// 11 june 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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void (*baseCommitDestroy)(uiControl *);
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};
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struct tabPage {
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uiControl *bin;
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GtkWidget *binWidget;
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uiControl *c;
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};
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uiDefineControlType(uiTab, uiTypeTab, struct tab)
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static void tabCommitDestroy(uiControl *c)
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{
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struct tab *t = (struct tab *) c;
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guint i;
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struct tabPage *page;
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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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binSetChild(page->bin, NULL);
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uiControlDestroy(page->c);
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uiControlSetParent(page->bin, NULL);
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uiControlDestroy(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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(*(t->baseCommitDestroy))(uiControl(t));
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}
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static uintptr_t tabHandle(uiControl *c)
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{
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struct tab *t = (struct tab *) c;
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return (uintptr_t) (t->widget);
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}
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// TODO tabContainerUpdateState()?
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static void tabAppend(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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uiTabInsertAt(tt, name, t->pages->len, child);
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}
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static void tabInsertAt(uiTab *tt, const char *name, uintmax_t n, uiControl *child)
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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.c = child;
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page.bin = newBin();
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page.binWidget = GTK_WIDGET(uiControlHandle(page.bin));
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binSetChild(page.bin, page.c);
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uiControlSetParent(page.bin, uiControl(t));
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gtk_notebook_set_tab_label_text(t->notebook, page.binWidget, name);
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gtk_notebook_reorder_child(t->notebook, page.binWidget, n);
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g_array_insert_val(t->pages, n, page);
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}
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static void tabDelete(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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binSetChild(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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uiControlSetParent(page->bin, NULL);
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uiControlDestroy(page->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 *page;
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page = &g_array_index(t->pages, struct tabPage, n);
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return binMargined(page->bin);
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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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binSetMargined(page->bin, margined);
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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 = (struct tab *) uiNewControl(uiTypeTab());
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t->widget = gtk_notebook_new();
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t->container = GTK_CONTAINER(t->widget);
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t->notebook = GTK_NOTEBOOK(t->widget);
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uiUnixMakeSingleWidgetControl(uiControl(t), t->widget);
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gtk_notebook_set_scrollable(t->notebook, TRUE);
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t->pages = g_array_new(FALSE, TRUE, sizeof (struct tabPage));
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uiControl(t)->Handle = tabHandle;
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t->baseCommitDestroy = uiControl(t)->CommitDestroy;
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uiControl(t)->CommitDestroy = tabCommitDestroy;
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uiTab(t)->Append = tabAppend;
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uiTab(t)->InsertAt = tabInsertAt;
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uiTab(t)->Delete = tabDelete;
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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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