diff options
Diffstat (limited to 'src/nvim/screen.c')
| -rw-r--r-- | src/nvim/screen.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c index 2dbf3f8888..0225eb72c1 100644 --- a/src/nvim/screen.c +++ b/src/nvim/screen.c @@ -103,6 +103,7 @@ #include "nvim/ex_cmds.h" #include "nvim/ex_cmds2.h" #include "nvim/ex_getln.h" +#include "nvim/edit.h" #include "nvim/farsi.h" #include "nvim/fileio.h" #include "nvim/fold.h" @@ -120,6 +121,7 @@ #include "nvim/move.h" #include "nvim/normal.h" #include "nvim/option.h" +#include "nvim/os_unix.h" #include "nvim/path.h" #include "nvim/popupmnu.h" #include "nvim/quickfix.h" @@ -129,6 +131,7 @@ #include "nvim/strings.h" #include "nvim/syntax.h" #include "nvim/term.h" +#include "nvim/ui.h" #include "nvim/undo.h" #include "nvim/version.h" #include "nvim/window.h" @@ -8117,3 +8120,98 @@ int screen_screenrow(void) return screen_cur_row; } +/* + * Set size of the Vim shell. + * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real + * window size (this is used for the :win command). + * If 'mustset' is FALSE, we may try to get the real window size and if + * it fails use 'width' and 'height'. + */ +void screen_resize(int width, int height, int mustset) +{ + static int busy = FALSE; + + /* + * Avoid recursiveness, can happen when setting the window size causes + * another window-changed signal. + */ + if (busy) + return; + + if (width < 0 || height < 0) /* just checking... */ + return; + + if (State == HITRETURN || State == SETWSIZE) { + /* postpone the resizing */ + State = SETWSIZE; + return; + } + + /* curwin->w_buffer can be NULL when we are closing a window and the + * buffer has already been closed and removing a scrollbar causes a resize + * event. Don't resize then, it will happen after entering another buffer. + */ + if (curwin->w_buffer == NULL) + return; + + ++busy; + + + if (mustset || (ui_get_shellsize() == FAIL && height != 0)) { + Rows = height; + Columns = width; + check_shellsize(); + mch_set_shellsize(); + } else + check_shellsize(); + + /* The window layout used to be adjusted here, but it now happens in + * screenalloc() (also invoked from screenclear()). That is because the + * "busy" check above may skip this, but not screenalloc(). */ + + if (State != ASKMORE && State != EXTERNCMD && State != CONFIRM) + screenclear(); + else + screen_start(); /* don't know where cursor is now */ + + if (starting != NO_SCREEN) { + maketitle(); + changed_line_abv_curs(); + invalidate_botline(); + + /* + * We only redraw when it's needed: + * - While at the more prompt or executing an external command, don't + * redraw, but position the cursor. + * - While editing the command line, only redraw that. + * - in Ex mode, don't redraw anything. + * - Otherwise, redraw right now, and position the cursor. + * Always need to call update_screen() or screenalloc(), to make + * sure Rows/Columns and the size of ScreenLines[] is correct! + */ + if (State == ASKMORE || State == EXTERNCMD || State == CONFIRM + || exmode_active) { + screenalloc(false); + repeat_message(); + } else { + if (curwin->w_p_scb) + do_check_scrollbind(TRUE); + if (State & CMDLINE) { + update_screen(NOT_VALID); + redrawcmdline(); + } else { + update_topline(); + if (pum_visible()) { + redraw_later(NOT_VALID); + ins_compl_show_pum(); /* This includes the redraw. */ + } else + update_screen(NOT_VALID); + if (redrawing()) + setcursor(); + } + } + cursor_on(); /* redrawing may have switched it off */ + } + out_flush(); + --busy; +} |