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Merge branch '4381_mouse_drag'

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* 4381_mouse_drag:
  Ticket #4381: missing selection of some files.
This commit is contained in:
Andrew Borodin 2022-07-27 19:11:09 +03:00
commit 82da1e88c7
1 changed files with 61 additions and 28 deletions
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89
src/filemanager/panel.c
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@ -122,6 +122,11 @@ mc_fhl_t *mc_filehighlight = NULL;
#define SELECT_RESET ((mc_search_t *)(-1))
#define SELECT_ERROR ((mc_search_t *)(-2))
/* mouse position relative to file list */
#define MOUSE_UPPER_FILE_LIST (-1)
#define MOUSE_BELOW_FILE_LIST (-2)
#define MOUSE_AFTER_LAST_FILE (-3)
/*** file scope type declarations ****************************************************************/
typedef enum
@ -3811,19 +3816,30 @@ mouse_set_mark (WPanel * panel)
/* --------------------------------------------------------------------------------------------- */
static gboolean
mark_if_marking (WPanel * panel, const mouse_event_t * event)
static void
mark_if_marking (WPanel * panel, const mouse_event_t * event, int previous_selected)
{
if ((event->buttons & GPM_B_RIGHT) != 0)
{
if (event->msg == MSG_MOUSE_DOWN)
mouse_toggle_mark (panel);
else
mouse_set_mark (panel);
return TRUE;
}
if ((event->buttons & GPM_B_RIGHT) == 0)
return;
return FALSE;
if (event->msg == MSG_MOUSE_DOWN)
mouse_toggle_mark (panel);
else
{
int psel, sel1, sel2;
psel = panel->selected;
sel1 = MIN (previous_selected, panel->selected);
sel2 = MAX (previous_selected, panel->selected);
for (; sel1 <= sel2; sel1++)
{
panel->selected = sel1;
mouse_set_mark (panel);
}
panel->selected = psel;
}
}
/* --------------------------------------------------------------------------------------------- */
@ -3886,27 +3902,27 @@ mouse_sort_col (WPanel * panel, int x)
static int
panel_mouse_is_on_item (const WPanel * panel, int y, int x)
{
int last;
int lines, col_width, col;
if (y < 0)
return (-1);
return MOUSE_UPPER_FILE_LIST;
last = panel->dir.len - 1;
y += panel->top_file;
lines = panel_lines (panel);
if (y >= lines)
return MOUSE_BELOW_FILE_LIST;
if (y > last)
return (-1);
col_width = (CONST_WIDGET (panel)->rect.cols - 2) / panel->list_cols;
/* column where mouse is */
col = x / col_width;
if (panel->list_cols > 1)
{
int width, lines;
y += panel->top_file + lines * col;
width = (CONST_WIDGET (panel)->rect.cols - 2) / panel->list_cols;
lines = panel_lines (panel);
y += lines * (x / width);
}
/* are we below or in the next column of last file? */
if (y > panel->dir.len)
return MOUSE_AFTER_LAST_FILE;
return (y > last ? -1 : y);
/* we are on item of the file file; return an index to select a file */
return y;
}
/* --------------------------------------------------------------------------------------------- */
@ -3961,10 +3977,27 @@ panel_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
case MSG_MOUSE_DRAG:
{
int my_index;
int previous_selected;
my_index = panel_mouse_is_on_item (panel, event->y - 2, event->x);
if (my_index >= 0)
previous_selected = panel->selected;
switch (my_index)
{
case MOUSE_UPPER_FILE_LIST:
move_up (panel);
mark_if_marking (panel, event, previous_selected);
break;
case MOUSE_BELOW_FILE_LIST:
move_down (panel);
mark_if_marking (panel, event, previous_selected);
break;
case MOUSE_AFTER_LAST_FILE:
break; /* do nothing */
default:
if (my_index != panel->selected)
{
unselect_item (panel);
@ -3972,8 +4005,8 @@ panel_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
select_item (panel);
}
/* This one is new */
mark_if_marking (panel, event);
mark_if_marking (panel, event, previous_selected);
break;
}
}
break;