diff options
author | Bram Moolenaar <Bram@vim.org> | 2019-06-13 23:59:52 +0200 |
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committer | Bram Moolenaar <Bram@vim.org> | 2019-06-13 23:59:52 +0200 |
commit | b53fb31a1e27a806396e38592055cfb3ebf43cf9 (patch) | |
tree | 57888f517cf09fe3680bdcf9803fe75d929be3fd /src/popupwin.c | |
parent | b0f94c1ff34d27d33aa9f96204985ea29c2eb0a1 (diff) | |
download | vim-git-b53fb31a1e27a806396e38592055cfb3ebf43cf9.tar.gz |
patch 8.1.1525: cannot move a popup window with the mousev8.1.1525
Problem: Cannot move a popup window with the mouse.
Solution: Add the "drag" property and make it possible to drag a popup
window by its border.
Diffstat (limited to 'src/popupwin.c')
-rw-r--r-- | src/popupwin.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/popupwin.c b/src/popupwin.c index 5e444aee0..f773958be 100644 --- a/src/popupwin.c +++ b/src/popupwin.c @@ -164,6 +164,68 @@ set_moved_columns(win_T *wp, int flags) } } +/* + * Return TRUE if "row"/"col" is on the border of the popup. + * The values are relative to the top-left corner. + */ + int +popup_on_border(win_T *wp, int row, int col) +{ + return (row == 0 && wp->w_popup_border[0] > 0) + || (row == popup_height(wp) - 1 && wp->w_popup_border[2] > 0) + || (col == 0 && wp->w_popup_border[3] > 0) + || (col == popup_width(wp) - 1 && wp->w_popup_border[1] > 0); +} + +// Values set when dragging a popup window starts. +static int drag_start_row; +static int drag_start_col; +static int drag_start_wantline; +static int drag_start_wantcol; + +/* + * Mouse down on border of popup window: start dragging it. + * Uses mouse_col and mouse_row. + */ + void +popup_start_drag(win_T *wp) +{ + drag_start_row = mouse_row; + drag_start_col = mouse_col; + // TODO: handle using different corner + if (wp->w_wantline == 0) + drag_start_wantline = wp->w_winrow + 1; + else + drag_start_wantline = wp->w_wantline; + if (wp->w_wantcol == 0) + drag_start_wantcol = wp->w_wincol + 1; + else + drag_start_wantcol = wp->w_wantcol; +} + +/* + * Mouse moved while dragging a popup window: adjust the window popup position. + */ + void +popup_drag(win_T *wp) +{ + // The popup may be closed before dragging stops. + if (!win_valid_popup(wp)) + return; + + wp->w_wantline = drag_start_wantline + (mouse_row - drag_start_row); + if (wp->w_wantline < 1) + wp->w_wantline = 1; + if (wp->w_wantline > Rows) + wp->w_wantline = Rows; + wp->w_wantcol = drag_start_wantcol + (mouse_col - drag_start_col); + if (wp->w_wantcol < 1) + wp->w_wantcol = 1; + if (wp->w_wantcol > Columns) + wp->w_wantcol = Columns; + + popup_adjust_position(wp); +} #if defined(FEAT_TIMERS) static void @@ -237,6 +299,8 @@ apply_options(win_T *wp, buf_T *buf UNUSED, dict_T *dict) wp->w_p_wrap = nr != 0; } + wp->w_popup_drag = dict_get_number(dict, (char_u *)"drag"); + di = dict_find(dict, (char_u *)"callback", -1); if (di != NULL) { @@ -798,6 +862,7 @@ popup_create(typval_T *argvars, typval_T *rettv, create_type_T type) wp->w_popup_padding[3] = 1; set_string_option_direct_in_win(wp, (char_u *)"wincolor", -1, (char_u *)"WarningMsg", OPT_FREE|OPT_LOCAL, 0); + wp->w_popup_drag = 1; } // Deal with options. |