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#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "nvim/api/tabpage.h"
#include "nvim/api/vim.h"
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/memory.h"
#include "nvim/window.h"
/// Gets the windows in a tabpage
///
/// @param tabpage The tabpage
/// @param[out] err Details of an error that may have occurred
/// @return The windows in `tabpage`
ArrayOf(Window) nvim_tabpage_get_windows(Tabpage tabpage, Error *err)
{
Array rv = ARRAY_DICT_INIT;
tabpage_T *tab = find_tab_by_handle(tabpage, err);
if (!tab || !valid_tabpage(tab)) {
return rv;
}
FOR_ALL_WINDOWS_IN_TAB(wp, tab) {
rv.size++;
}
rv.items = xmalloc(sizeof(Object) * rv.size);
size_t i = 0;
FOR_ALL_WINDOWS_IN_TAB(wp, tab) {
rv.items[i++] = WINDOW_OBJ(wp->handle);
}
return rv;
}
/// Gets a tab-scoped (t:) variable
///
/// @param tabpage The tab page handle
/// @param name The variable name
/// @param[out] err Details of an error that may have occurred
/// @return The variable value
Object nvim_tabpage_get_var(Tabpage tabpage, String name, Error *err)
{
tabpage_T *tab = find_tab_by_handle(tabpage, err);
if (!tab) {
return (Object) OBJECT_INIT;
}
return dict_get_value(tab->tp_vars, name, err);
}
/// Sets a tab-scoped (t:) variable
///
/// @param tabpage handle
/// @param name The variable name
/// @param value The variable value
/// @param[out] err Details of an error that may have occurred
/// @return The old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
Object nvim_tabpage_set_var(Tabpage tabpage,
String name,
Object value,
Error *err)
{
tabpage_T *tab = find_tab_by_handle(tabpage, err);
if (!tab) {
return (Object) OBJECT_INIT;
}
return dict_set_value(tab->tp_vars, name, value, false, err);
}
/// Removes a tab-scoped (t:) variable
///
/// @param tabpage handle
/// @param name The variable name
/// @param[out] err Details of an error that may have occurred
/// @return The old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
Object nvim_tabpage_del_var(Tabpage tabpage, String name, Error *err)
{
tabpage_T *tab = find_tab_by_handle(tabpage, err);
if (!tab) {
return (Object) OBJECT_INIT;
}
return dict_set_value(tab->tp_vars, name, NIL, true, err);
}
/// Gets the current window in a tab page
///
/// @param tabpage The tab page handle
/// @param[out] err Details of an error that may have occurred
/// @return The Window handle
Window nvim_tabpage_get_window(Tabpage tabpage, Error *err)
{
Window rv = 0;
tabpage_T *tab = find_tab_by_handle(tabpage, err);
if (!tab || !valid_tabpage(tab)) {
return rv;
}
if (tab == curtab) {
return nvim_get_current_window();
} else {
FOR_ALL_WINDOWS_IN_TAB(wp, tab) {
if (wp == tab->tp_curwin) {
return wp->handle;
}
}
// There should always be a current window for a tabpage
abort();
}
}
/// Checks if a tab page is valid
///
/// @param tabpage The tab page handle
/// @return true if the tab page is valid, false otherwise
Boolean nvim_tabpage_is_valid(Tabpage tabpage)
{
Error stub = ERROR_INIT;
return find_tab_by_handle(tabpage, &stub) != NULL;
}
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