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fset: remove scroll to top of fset buffer when options are added or removed (closes #1892)

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This commit is contained in:
Sébastien Helleu
2023-03-16 20:41:05 +01:00
parent b21bc63313
commit 5441c52d64
4 changed files with 119 additions and 25 deletions
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src/plugins/fset/fset-buffer.c
+78 -13
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@@ -157,20 +157,25 @@ fset_buffer_fills_field (char *field, char *field_spaces,
/*
* Displays a line with an fset option using an evaluated format.
*
* Returns the index of last line displayed in buffer (this depends on the
* format number used), -1 if no option was displayed.
*/
void
int
fset_buffer_display_option_eval (struct t_fset_option *fset_option)
{
char *line, str_color_line[128], **lines;
char *str_field, *str_field2;
char str_color_value[128], str_color_quotes[128], str_number[64];
int length, length_field, selected_line, y, i, num_lines;
int length, length_field, selected_line, y, y_max, i, num_lines;
int default_value_undef, value_undef, value_changed;
int add_quotes, add_quotes_parent, format_number;
if (!fset_option)
return;
return -1;
y_max = -1;
length_field = 4096;
length = (fset_option->value) ?
@@ -184,12 +189,12 @@ fset_buffer_display_option_eval (struct t_fset_option *fset_option)
str_field = malloc (length_field);
if (!str_field)
return;
return -1;
str_field2 = malloc (length_field);
if (!str_field2)
{
free (str_field);
return;
return -1;
}
selected_line = (fset_option->index == fset_buffer_selected_line) ? 1 : 0;
@@ -797,6 +802,7 @@ fset_buffer_display_option_eval (struct t_fset_option *fset_option)
"%s%s",
(str_color_line[0]) ? weechat_color (str_color_line) : "",
lines[i]);
y_max = y;
y++;
}
weechat_string_free_split (lines);
@@ -806,14 +812,19 @@ fset_buffer_display_option_eval (struct t_fset_option *fset_option)
free (str_field);
free (str_field2);
return y_max;
}
/*
* Displays a line with an fset option using a predefined format
* (much faster because there is no eval).
*
* Returns the index of last line displayed in buffer (this depends on the
* format number used), -1 if no option was displayed.
*/
void
int
fset_buffer_display_option_predefined_format (struct t_fset_option *fset_option)
{
int selected_line, value_undef, value_changed, format_number;
@@ -821,6 +832,9 @@ fset_buffer_display_option_predefined_format (struct t_fset_option *fset_option)
char str_marked[128], str_name[4096], str_type[128], *str_value;
char str_color_line[128], str_color_value[128], str_color_quotes[128];
if (!fset_option)
return -1;
selected_line = (fset_option->index == fset_buffer_selected_line) ? 1 : 0;
value_undef = (fset_option->value == NULL) ? 1 : 0;
value_changed = (fset_option_value_is_changed (fset_option)) ? 1 : 0;
@@ -969,13 +983,18 @@ fset_buffer_display_option_predefined_format (struct t_fset_option *fset_option)
if (str_value)
free (str_value);
return fset_option->index;
}
/*
* Displays a line with an fset option.
*
* Returns the index of last line displayed in buffer (this depends on the
* format number used), -1 if no option was displayed.
*/
void
int
fset_buffer_display_option (struct t_fset_option *fset_option)
{
int format_number;
@@ -985,9 +1004,39 @@ fset_buffer_display_option (struct t_fset_option *fset_option)
ptr_format = weechat_config_string (fset_config_format_option[format_number - 1]);
if (ptr_format && ptr_format[0])
fset_buffer_display_option_eval (fset_option);
return fset_buffer_display_option_eval (fset_option);
else
fset_buffer_display_option_predefined_format (fset_option);
return fset_buffer_display_option_predefined_format (fset_option);
}
/*
* Returns the last line index (y) for a buffer with free content,
* -1 if buffer is empty.
*/
int
fset_buffer_get_last_y (struct t_gui_buffer *buffer)
{
struct t_hdata *hdata_buffer, *hdata_lines, *hdata_line, *hdata_line_data;
void *own_lines, *last_line, *line_data;
hdata_buffer = weechat_hdata_get ("buffer");
own_lines = weechat_hdata_pointer (hdata_buffer, buffer, "own_lines");
if (!own_lines)
return -1;
hdata_lines = weechat_hdata_get ("lines");
last_line = weechat_hdata_pointer (hdata_lines, own_lines, "last_line");
if (!last_line)
return -1;
hdata_line = weechat_hdata_get ("line");
line_data = weechat_hdata_pointer (hdata_line, last_line, "data");
if (!line_data)
return -1;
hdata_line_data = weechat_hdata_get ("line_data");
return weechat_hdata_integer (hdata_line_data, line_data, "y");
}
/*
@@ -997,7 +1046,7 @@ fset_buffer_display_option (struct t_fset_option *fset_option)
void
fset_buffer_refresh (int clear)
{
int num_options, i;
int num_options, i, y, y_max_displayed, last_y;
struct t_fset_option *ptr_fset_option;
if (!fset_buffer)
@@ -1006,13 +1055,29 @@ fset_buffer_refresh (int clear)
num_options = weechat_arraylist_size (fset_options);
if (clear)
{
weechat_buffer_clear (fset_buffer);
fset_buffer_selected_line = 0;
}
y_max_displayed = -1;
for (i = 0; i < num_options; i++)
{
ptr_fset_option = weechat_arraylist_get (fset_options, i);
if (ptr_fset_option)
fset_buffer_display_option (ptr_fset_option);
{
y = fset_buffer_display_option (ptr_fset_option);
if (y > y_max_displayed)
y_max_displayed = y;
}
}
/* remove lines displayed after the last one just displayed */
last_y = fset_buffer_get_last_y (fset_buffer);
for (y = last_y; y > y_max_displayed; y--)
{
weechat_printf_y (fset_buffer, y, "");
}
fset_buffer_set_title ();
@@ -1035,10 +1100,10 @@ fset_buffer_set_current_line (int line)
if (old_line != fset_buffer_selected_line)
{
fset_buffer_display_option (
(void) fset_buffer_display_option (
weechat_arraylist_get (fset_options, old_line));
}
fset_buffer_display_option (
(void) fset_buffer_display_option (
weechat_arraylist_get (fset_options, fset_buffer_selected_line));
fset_buffer_set_title ();