diff options
Diffstat (limited to 'src/nvim/buffer.h')
| -rw-r--r-- | src/nvim/buffer.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/nvim/buffer.h b/src/nvim/buffer.h index a7f4feb342..49025d3925 100644 --- a/src/nvim/buffer.h +++ b/src/nvim/buffer.h @@ -1,6 +1,7 @@ #ifndef NVIM_BUFFER_H #define NVIM_BUFFER_H +#include "nvim/window.h" #include "nvim/pos.h" // for linenr_T #include "nvim/ex_cmds_defs.h" // for exarg_T @@ -45,4 +46,44 @@ enum bfa_values { #ifdef INCLUDE_GENERATED_DECLARATIONS # include "buffer.h.generated.h" #endif + +// Find a window that contains "buf" and switch to it. +// If there is no such window, use the current window and change "curbuf". +// Caller must initialize save_curbuf to NULL. +// restore_win_for_buf() MUST be called later! +static inline void switch_to_win_for_buf(buf_T *buf, + win_T **save_curwinp, + tabpage_T **save_curtabp, + buf_T **save_curbufp) +{ + win_T *wp; + tabpage_T *tp; + + if (!find_win_for_buf(buf, &wp, &tp) + || switch_win(save_curwinp, save_curtabp, wp, tp, true) == FAIL) + switch_buffer(save_curbufp, buf); +} + +static inline void restore_win_for_buf(win_T *save_curwin, + tabpage_T *save_curtab, + buf_T *save_curbuf) +{ + if (save_curbuf == NULL) { + restore_win(save_curwin, save_curtab, true); + } else { + restore_buffer(save_curbuf); + } +} + +#define WITH_BUFFER(b, code) \ + do { \ + buf_T *save_curbuf = NULL; \ + win_T *save_curwin = NULL; \ + tabpage_T *save_curtab = NULL; \ + switch_to_win_for_buf(b, &save_curwin, &save_curtab, &save_curbuf); \ + code; \ + restore_win_for_buf(save_curwin, save_curtab, save_curbuf); \ + } while (0) + + #endif // NVIM_BUFFER_H |