}
/*
- * Implementation for scrolling in Insert mode in direction "dir", which is one
- * of the MSCR_ values.
+ * Common mouse wheel scrolling, shared between Insert mode and NV modes.
+ * Default action is to scroll mouse_vert_step lines (or mouse_hor_step columns
+ * depending on the scroll direction) or one page when Shift or Ctrl is used.
+ * Direction is indicated by "cap->arg":
+ * K_MOUSEUP - MSCR_UP
+ * K_MOUSEDOWN - MSCR_DOWN
+ * K_MOUSELEFT - MSCR_LEFT
+ * K_MOUSERIGHT - MSCR_RIGHT
+ * "curwin" may have been changed to the window that should be scrolled and
+ * differ from the window that actually has focus.
+ */
+ static void
+do_mousescroll(cmdarg_T *cap)
+{
+ int shift_or_ctrl = mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL);
+
+#ifdef FEAT_TERMINAL
+ if (term_use_loop())
+ // This window is a terminal window, send the mouse event there.
+ // Set "typed" to FALSE to avoid an endless loop.
+ send_keys_to_term(curbuf->b_term, cap->cmdchar, mod_mask, FALSE);
+ else
+#endif
+ if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
+ {
+ // Vertical scrolling
+ if (!(State & MODE_INSERT) && (mouse_vert_step < 0 || shift_or_ctrl))
+ {
+ // whole page up or down
+ onepage(cap->arg == MSCR_UP ? FORWARD : BACKWARD, 1L);
+ }
+ else
+ {
+ if (mouse_vert_step < 0 || shift_or_ctrl)
+ {
+ // whole page up or down
+ cap->count1 = (long)(curwin->w_botline - curwin->w_topline);
+ }
+ // Don't scroll more than half the window height.
+ else if (curwin->w_height < mouse_vert_step * 2)
+ {
+ cap->count1 = curwin->w_height / 2;
+ if (cap->count1 == 0)
+ cap->count1 = 1;
+ }
+ else
+ {
+ cap->count1 = mouse_vert_step;
+ }
+ cap->count0 = cap->count1;
+ nv_scroll_line(cap);
+ }
+
+#ifdef FEAT_PROP_POPUP
+ if (WIN_IS_POPUP(curwin))
+ popup_set_firstline(curwin);
+#endif
+ }
+ else
+ {
+ // Horizontal scrolling
+ long step = (mouse_hor_step < 0 || shift_or_ctrl)
+ ? curwin->w_width : mouse_hor_step;
+ long leftcol = curwin->w_leftcol
+ + (cap->arg == MSCR_RIGHT ? -step : step);
+ if (leftcol < 0)
+ leftcol = 0;
+ do_mousescroll_horiz((long_u)leftcol);
+ }
+ may_trigger_winscrolled();
+}
+
+/*
+ * Insert mode implementation for scrolling in direction "dir", which is
+ * one of the MSCR_ values.
*/
void
ins_mousescroll(int dir)
siemsg("Invalid ins_mousescroll() argument: %d", dir);
}
- win_T *wp = curwin;
+ win_T *old_curwin = curwin;
if (mouse_row >= 0 && mouse_col >= 0)
{
// Find the window at the mouse pointer coordinates.
+ // NOTE: Must restore "curwin" to "old_curwin" before returning!
int row = mouse_row;
int col = mouse_col;
- wp = mouse_find_win(&row, &col, FIND_POPUP);
- if (wp == NULL)
+ curwin = mouse_find_win(&row, &col, FIND_POPUP);
+ if (curwin == NULL)
+ {
+ curwin = old_curwin;
return;
+ }
+ curbuf = curwin->w_buffer;
}
- if (wp == curwin)
+ if (curwin == old_curwin)
{
// Don't scroll the current window if the popup menu is visible.
if (pum_visible())
undisplay_dollar();
}
- linenr_T orig_topline = wp->w_topline;
- colnr_T orig_leftcol = wp->w_leftcol;
+ linenr_T orig_topline = curwin->w_topline;
+ colnr_T orig_leftcol = curwin->w_leftcol;
pos_T orig_cursor = curwin->w_cursor;
- // The scrolling works almost the same way as in Normal mode.
- nv_mousescroll(&cap);
+ // Call the common mouse scroll function shared with other modes.
+ do_mousescroll(&cap);
+
+ int did_scroll = (orig_topline != curwin->w_topline
+ || orig_leftcol != curwin->w_leftcol);
+
+ curwin->w_redr_status = TRUE;
+ curwin = old_curwin;
+ curbuf = curwin->w_buffer;
// If the window actually scrolled and the popup menu may overlay the
// window, need to redraw it.
- if ((orig_topline != wp->w_topline || orig_leftcol != wp->w_leftcol)
- && pum_visible())
+ if (did_scroll && pum_visible())
{
// TODO: Would be more efficient to only redraw the windows that are
// overlapped by the popup menu.
}
/*
- * Mouse scroll wheel: Default action is to scroll mouse_vert_step lines (or
- * mouse_hor_step, depending on the scroll direction), or one page when Shift
- * or Ctrl is used.
- * Direction is indicated by "cap->arg":
- * K_MOUSEUP - MSCR_UP
- * K_MOUSEDOWN - MSCR_DOWN
- * K_MOUSELEFT - MSCR_LEFT
- * K_MOUSERIGHT - MSCR_RIGHT
+ * Normal and Visual modes implementation for scrolling in direction
+ * "cap->arg", which is one of the MSCR_ values.
*/
void
nv_mousescroll(cmdarg_T *cap)
if (mouse_row >= 0 && mouse_col >= 0)
{
// Find the window at the mouse pointer coordinates.
+ // NOTE: Must restore "curwin" to "old_curwin" before returning!
int row = mouse_row;
int col = mouse_col;
- win_T *wp = mouse_find_win(&row, &col, FIND_POPUP);
- if (wp == NULL)
+ curwin = mouse_find_win(&row, &col, FIND_POPUP);
+ if (curwin == NULL)
+ {
+ curwin = old_curwin;
return;
+ }
+
#ifdef FEAT_PROP_POPUP
- if (WIN_IS_POPUP(wp) && !wp->w_has_scrollbar)
+ if (WIN_IS_POPUP(curwin) && !curwin->w_has_scrollbar)
+ {
// cannot scroll this popup window
+ curwin = old_curwin;
return;
+ }
#endif
- // NOTE: Must restore "curwin" to "old_curwin" before returning!
- curwin = wp;
curbuf = curwin->w_buffer;
}
- int shift_or_ctrl = mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL);
-
-#ifdef FEAT_TERMINAL
- if (term_use_loop())
- // This window is a terminal window, send the mouse event there.
- // Set "typed" to FALSE to avoid an endless loop.
- send_keys_to_term(curbuf->b_term, cap->cmdchar, mod_mask, FALSE);
- else
-#endif
- if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
- {
- // Vertical scrolling
- if (!(State & MODE_INSERT) && (mouse_vert_step < 0 || shift_or_ctrl))
- {
- // whole page up or down
- onepage(cap->arg == MSCR_UP ? FORWARD : BACKWARD, 1L);
- }
- else
- {
- if (mouse_vert_step < 0 || shift_or_ctrl)
- {
- // whole page up or down
- cap->count1 = (long)(curwin->w_botline - curwin->w_topline);
- }
- // Don't scroll more than half the window height.
- else if (curwin->w_height < mouse_vert_step * 2)
- {
- cap->count1 = curwin->w_height / 2;
- if (cap->count1 == 0)
- cap->count1 = 1;
- }
- else
- {
- cap->count1 = mouse_vert_step;
- }
- cap->count0 = cap->count1;
- nv_scroll_line(cap);
- }
-
-#ifdef FEAT_PROP_POPUP
- if (WIN_IS_POPUP(curwin))
- popup_set_firstline(curwin);
-#endif
- }
- else
- {
- // Horizontal scrolling
- long step = (mouse_hor_step < 0 || shift_or_ctrl)
- ? curwin->w_width : mouse_hor_step;
- long leftcol = curwin->w_leftcol
- + (cap->arg == MSCR_RIGHT ? -step : step);
- if (leftcol < 0)
- leftcol = 0;
- do_mousescroll_horiz((long_u)leftcol);
- }
+ // Call the common mouse scroll function shared with other modes.
+ do_mousescroll(cap);
#ifdef FEAT_SYN_HL
if (curwin != old_curwin && curwin->w_p_cul)
redraw_for_cursorline(curwin);
#endif
- may_trigger_winscrolled();
-
curwin->w_redr_status = TRUE;
-
curwin = old_curwin;
curbuf = curwin->w_buffer;
}
projects / thirdparty / vim.git / commitdiff
