diff options
Diffstat (limited to 'src/nvim/window.c')
| -rw-r--r-- | src/nvim/window.c | 291 |
1 files changed, 156 insertions, 135 deletions
diff --git a/src/nvim/window.c b/src/nvim/window.c index f0c6cacdf0..853f8755c3 100644 --- a/src/nvim/window.c +++ b/src/nvim/window.c @@ -1044,19 +1044,21 @@ static void win_init_some(win_T *newp, win_T *oldp) } -/* - * Check if "win" is a pointer to an existing window. - */ -int win_valid(win_T *win) +/// Check if "win" is a pointer to an existing window in the current tabpage. +/// +/// @param win window to check +bool win_valid(win_T *win) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { - if (win == NULL) - return FALSE; + if (win == NULL) { + return false; + } + FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { if (wp == win) { - return TRUE; + return true; } } - return FALSE; + return false; } /* @@ -1732,21 +1734,18 @@ close_windows ( shell_new_rows(); } -/* - * Return TRUE if the current window is the only window that exists (ignoring - * "aucmd_win"). - * Returns FALSE if there is a window, possibly in another tab page. - */ -static int last_window(void) +/// Check that current window is the last one. +/// +/// @return true if the current window is the only window that exists, false if +/// there is another, possibly in another tab page. +static bool last_window(void) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { return one_window() && first_tabpage->tp_next == NULL; } -/* - * Return TRUE if there is only one window other than "aucmd_win" in the - * current tab page. - */ -bool one_window(void) +/// Check that current tab page contains no more then one window other than +/// "aucmd_win". +bool one_window(void) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { bool seen_one = false; @@ -1761,14 +1760,20 @@ bool one_window(void) return true; } -/* - * Close the possibly last window in a tab page. - * Returns TRUE when the window was closed already. - */ -static int close_last_window_tabpage(win_T *win, int free_buf, tabpage_T *prev_curtab) +/// Close the possibly last window in a tab page. +/// +/// @param win window to close +/// @param free_buf whether to free the window's current buffer +/// @param prev_curtab previous tabpage that will be closed if "win" is the +/// last window in the tabpage +/// +/// @return true when the window was closed already. +static bool close_last_window_tabpage(win_T *win, bool free_buf, + tabpage_T *prev_curtab) + FUNC_ATTR_NONNULL_ARG(1) { if (firstwin != lastwin) { - return FALSE; + return false; } buf_T *old_curbuf = curbuf; @@ -1809,14 +1814,15 @@ static int close_last_window_tabpage(win_T *win, int free_buf, tabpage_T *prev_c terminal_resize(term, 0, 0); } - /* Since goto_tabpage_tp above did not trigger *Enter autocommands, do - * that now. */ - apply_autocmds(EVENT_TABCLOSED, prev_idx, prev_idx, FALSE, curbuf); - apply_autocmds(EVENT_WINENTER, NULL, NULL, FALSE, curbuf); - apply_autocmds(EVENT_TABENTER, NULL, NULL, FALSE, curbuf); - if (old_curbuf != curbuf) - apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); - return TRUE; + // Since goto_tabpage_tp above did not trigger *Enter autocommands, do + // that now. + apply_autocmds(EVENT_TABCLOSED, prev_idx, prev_idx, false, curbuf); + apply_autocmds(EVENT_WINENTER, NULL, NULL, false, curbuf); + apply_autocmds(EVENT_TABENTER, NULL, NULL, false, curbuf); + if (old_curbuf != curbuf) { + apply_autocmds(EVENT_BUFENTER, NULL, NULL, false, curbuf); + } + return true; } /* @@ -2301,20 +2307,22 @@ static win_T *frame2win(frame_T *frp) return frp->fr_win; } -/* - * Return TRUE if frame "frp" contains window "wp". - */ -static int frame_has_win(frame_T *frp, win_T *wp) +/// Check that the frame "frp" contains the window "wp". +/// +/// @param frp frame +/// @param wp window +static bool frame_has_win(frame_T *frp, win_T *wp) + FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ARG(1) { - frame_T *p; - - if (frp->fr_layout == FR_LEAF) + if (frp->fr_layout == FR_LEAF) { return frp->fr_win == wp; - - for (p = frp->fr_child; p != NULL; p = p->fr_next) - if (frame_has_win(p, wp)) - return TRUE; - return FALSE; + } + for (frame_T *p = frp->fr_child; p != NULL; p = p->fr_next) { + if (frame_has_win(p, wp)) { + return true; + } + } + return false; } /* @@ -2406,58 +2414,72 @@ frame_new_height ( topfrp->fr_height = height; } -/* - * Return TRUE if height of frame "frp" should not be changed because of - * the 'winfixheight' option. - */ -static int frame_fixed_height(frame_T *frp) +/// Return true if height of frame "frp" should not be changed because of +/// the 'winfixheight' option. +/// +/// @param frp frame +/// +/// @return true if the frame has a fixed height +static bool frame_fixed_height(frame_T *frp) + FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { - /* frame with one window: fixed height if 'winfixheight' set. */ - if (frp->fr_win != NULL) + // frame with one window: fixed height if 'winfixheight' set. + if (frp->fr_win != NULL) { return frp->fr_win->w_p_wfh; - + } if (frp->fr_layout == FR_ROW) { - /* The frame is fixed height if one of the frames in the row is fixed - * height. */ - for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) - if (frame_fixed_height(frp)) - return TRUE; - return FALSE; + // The frame is fixed height if one of the frames in the row is fixed + // height. + for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) { + if (frame_fixed_height(frp)) { + return true; + } + } + return false; } - /* frp->fr_layout == FR_COL: The frame is fixed height if all of the - * frames in the row are fixed height. */ - for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) - if (!frame_fixed_height(frp)) - return FALSE; - return TRUE; + // frp->fr_layout == FR_COL: The frame is fixed height if all of the + // frames in the row are fixed height. + for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) { + if (!frame_fixed_height(frp)) { + return false; + } + } + return true; } -/* - * Return TRUE if width of frame "frp" should not be changed because of - * the 'winfixwidth' option. - */ -static int frame_fixed_width(frame_T *frp) +/// Return true if width of frame "frp" should not be changed because of +/// the 'winfixwidth' option. +/// +/// @param frp frame +/// +/// @return true if the frame has a fixed width +static bool frame_fixed_width(frame_T *frp) + FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { - /* frame with one window: fixed width if 'winfixwidth' set. */ - if (frp->fr_win != NULL) + // frame with one window: fixed width if 'winfixwidth' set. + if (frp->fr_win != NULL) { return frp->fr_win->w_p_wfw; - + } if (frp->fr_layout == FR_COL) { - /* The frame is fixed width if one of the frames in the row is fixed - * width. */ - for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) - if (frame_fixed_width(frp)) - return TRUE; - return FALSE; + // The frame is fixed width if one of the frames in the row is fixed + // width. + for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) { + if (frame_fixed_width(frp)) { + return true; + } + } + return false; } - /* frp->fr_layout == FR_ROW: The frame is fixed width if all of the - * frames in the row are fixed width. */ - for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) - if (!frame_fixed_width(frp)) - return FALSE; - return TRUE; + // frp->fr_layout == FR_ROW: The frame is fixed width if all of the + // frames in the row are fixed width. + for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) { + if (!frame_fixed_width(frp)) { + return false; + } + } + return true; } /* @@ -3028,10 +3050,10 @@ int make_tabpages(int maxcount) return count - todo; } -/* - * Return TRUE when "tpc" points to a valid tab page. - */ -bool valid_tabpage(tabpage_T *tpc) +/// Check that tpc points to a valid tab page. +/// +/// @param[in] tpc Tabpage to check. +bool valid_tabpage(tabpage_T *tpc) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { FOR_ALL_TABS(tp) { if (tp == tpc) { @@ -5052,27 +5074,22 @@ int min_rows(void) return total; } -/* - * Return TRUE if there is only one window (in the current tab page), not - * counting a help or preview window, unless it is the current window. - * Does not count "aucmd_win". - */ -int only_one_window(void) +/// Check that there is only one window (and only one tab page), not counting a +/// help or preview window, unless it is the current window. Does not count +/// "aucmd_win". +bool only_one_window(void) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { - int count = 0; - - /* If there is another tab page there always is another window. */ - if (first_tabpage->tp_next != NULL) - return FALSE; + // If there is another tab page there always is another window. + if (first_tabpage->tp_next != NULL) { + return false; + } + int count = 0; FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { if (wp->w_buffer != NULL && (!((wp->w_buffer->b_help && !curbuf->b_help) - || wp->w_p_pvw - ) || wp == curwin) - && wp != aucmd_win - ) { - ++count; + || wp->w_p_pvw) || wp == curwin) && wp != aucmd_win) { + count++; } } return count <= 1; @@ -5571,38 +5588,42 @@ matchitem_T *get_match(win_T *wp, int id) } -/* - * Return TRUE if "topfrp" and its children are at the right height. - */ -static int frame_check_height(frame_T *topfrp, int height) +/// Check that "topfrp" and its children are at the right height. +/// +/// @param topfrp top frame pointer +/// @param height expected height +static bool frame_check_height(frame_T *topfrp, int height) + FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { - frame_T *frp; - - if (topfrp->fr_height != height) - return FALSE; - - if (topfrp->fr_layout == FR_ROW) - for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next) - if (frp->fr_height != height) - return FALSE; - - return TRUE; + if (topfrp->fr_height != height) { + return false; + } + if (topfrp->fr_layout == FR_ROW) { + for (frame_T *frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next) { + if (frp->fr_height != height) { + return false; + } + } + } + return true; } -/* - * Return TRUE if "topfrp" and its children are at the right width. - */ -static int frame_check_width(frame_T *topfrp, int width) +/// Check that "topfrp" and its children are at the right width. +/// +/// @param topfrp top frame pointer +/// @param width expected width +static bool frame_check_width(frame_T *topfrp, int width) + FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { - frame_T *frp; - - if (topfrp->fr_width != width) - return FALSE; - - if (topfrp->fr_layout == FR_COL) - for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next) - if (frp->fr_width != width) - return FALSE; - - return TRUE; + if (topfrp->fr_width != width) { + return false; + } + if (topfrp->fr_layout == FR_COL) { + for (frame_T *frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next) { + if (frp->fr_width != width) { + return false; + } + } + } + return true; } |