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API: Implement nvim_win_set_buf() #9100

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closes #9100
This commit is contained in:
Justin M. Keyes
2018-11-25 16:27:10 +01:00
parent bac9f36d42
commit b1aaa0a881
2 changed files with 53 additions and 1 deletions
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36
src/nvim/api/window.c
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@@ -10,6 +10,7 @@
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/vim.h"
#include "nvim/buffer.h"
#include "nvim/cursor.h"
#include "nvim/window.h"
#include "nvim/screen.h"
@@ -33,6 +34,41 @@ Buffer nvim_win_get_buf(Window window, Error *err)
return win->w_buffer->handle;
}
/// Sets the current buffer in a window, without side-effects
///
/// @param window Window handle
/// @param buffer Buffer handle
/// @param[out] err Error details, if any
void nvim_win_set_buf(Window window, Buffer buffer, Error *err)
FUNC_API_SINCE(5)
{
win_T *win = find_window_by_handle(window, err), *save_curwin = curwin;
buf_T *buf = find_buffer_by_handle(buffer, err);
tabpage_T *tab = win_find_tabpage(win), *save_curtab = curtab;
if (!win || !buf) {
return;
}
if (switch_win(&save_curwin, &save_curtab, win, tab, false) == FAIL) {
api_set_error(err,
kErrorTypeException,
"Failed to switch to window %d",
window);
}
try_start();
int result = do_buffer(DOBUF_GOTO, DOBUF_FIRST, FORWARD, buf->b_fnum, 0);
if (!try_end(err) && result == FAIL) {
api_set_error(err,
kErrorTypeException,
"Failed to set buffer %d",
buffer);
}
restore_win(save_curwin, save_curtab, false);
}
/// Gets the cursor position in the window
///
/// @param window Window handle