diff options
Diffstat (limited to 'src/nvim/ui.c')
| -rw-r--r-- | src/nvim/ui.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/nvim/ui.c b/src/nvim/ui.c index 685da77b39..c6c09c80d7 100644 --- a/src/nvim/ui.c +++ b/src/nvim/ui.c @@ -61,6 +61,9 @@ static bool pending_mode_info_update = false; static bool pending_mode_update = false; static handle_T cursor_grid_handle = DEFAULT_GRID_HANDLE; +static bool has_mouse = false; +static int pending_has_mouse = -1; + #if MIN_LOG_LEVEL > DEBUG_LOG_LEVEL # define UI_LOG(funname) #else @@ -220,6 +223,7 @@ void ui_refresh(void) ui_mode_info_set(); pending_mode_update = true; ui_cursor_shape(); + pending_has_mouse = -1; } int ui_pum_get_height(void) @@ -459,10 +463,69 @@ void ui_flush(void) ui_call_mode_change(cstr_as_string(full_name), ui_mode_idx); pending_mode_update = false; } + if (pending_has_mouse != has_mouse) { + (has_mouse ? ui_call_mouse_on : ui_call_mouse_off)(); + pending_has_mouse = has_mouse; + } ui_call_flush(); } + +/// Check if 'mouse' is active for the current mode +/// +/// TODO(bfredl): precompute the State -> active mapping when 'mouse' changes, +/// then this can be checked directly in ui_flush() +void ui_check_mouse(void) +{ + has_mouse = false; + // Be quick when mouse is off. + if (*p_mouse == NUL) { + return; + } + + int checkfor = MOUSE_NORMAL; // assume normal mode + if (VIsual_active) { + checkfor = MOUSE_VISUAL; + } else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE) { + checkfor = MOUSE_RETURN; + } else if (State & INSERT) { + checkfor = MOUSE_INSERT; + } else if (State & CMDLINE) { + checkfor = MOUSE_COMMAND; + } else if (State == CONFIRM || State == EXTERNCMD) { + checkfor = ' '; // don't use mouse for ":confirm" or ":!cmd" + } + + // mouse should be active if at least one of the following is true: + // - "c" is in 'mouse', or + // - 'a' is in 'mouse' and "c" is in MOUSE_A, or + // - the current buffer is a help file and 'h' is in 'mouse' and we are in a + // normal editing mode (not at hit-return message). + for (char_u *p = p_mouse; *p; p++) { + switch (*p) { + case 'a': + if (vim_strchr((char_u *)MOUSE_A, checkfor) != NULL) { + has_mouse = true; + return; + } + break; + case MOUSE_HELP: + if (checkfor != MOUSE_RETURN && curbuf->b_help) { + has_mouse = true; + return; + } + break; + default: + if (checkfor == *p) { + has_mouse = true; + return; + } + } + } +} + /// Check if current mode has changed. +/// /// May update the shape of the cursor. void ui_cursor_shape(void) { |