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editor: add pageup/down support 

Page up or down by 85% of the visible window height
This commit is contained in:
Andy Williams 2015-05-12 23:15:25 +01:00
parent f9a927657d
commit 6a20d2a6dc
2 changed files with 80 additions and 0 deletions
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77
elm_code/src/lib/widget/elm_code_widget.c
View File

@ -859,6 +859,68 @@ _elm_code_widget_cursor_move_right(Elm_Code_Widget *widget)
_elm_code_widget_cursor_move(widget, pd, pd->cursor_col+1, pd->cursor_line, EINA_TRUE);
}
static unsigned int
_elm_code_widget_cursor_move_page_height_get(Elm_Code_Widget *widget)
{
unsigned int lines;
eo_do(widget, lines = elm_code_widget_lines_visible_get());
return lines * 0.85;
}
static void
_elm_code_widget_cursor_move_pageup(Elm_Code_Widget *widget)
{
Elm_Code_Widget_Data *pd;
Elm_Code_Line *line;
unsigned int row, col, column_width;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
row = pd->cursor_line;
col = pd->cursor_col;
if (pd->cursor_line <= 1)
return;
if (row > _elm_code_widget_cursor_move_page_height_get(widget))
row -= _elm_code_widget_cursor_move_page_height_get(widget);
else
row = 1;
line = elm_code_file_line_get(pd->code->file, row);
column_width = elm_code_line_text_column_width(line, pd->tabstop);
if (col > column_width + 1)
col = column_width + 1;
_elm_code_widget_cursor_move(widget, pd, col, row, EINA_TRUE);
}
static void
_elm_code_widget_cursor_move_pagedown(Elm_Code_Widget *widget)
{
Elm_Code_Widget_Data *pd;
Elm_Code_Line *line;
unsigned int row, col, column_width;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
row = pd->cursor_line;
col = pd->cursor_col;
if (pd->cursor_line >= elm_code_file_lines_get(pd->code->file))
return;
row += _elm_code_widget_cursor_move_page_height_get(widget);
if (row > elm_code_file_lines_get(pd->code->file))
row = elm_code_file_lines_get(pd->code->file);
line = elm_code_file_line_get(pd->code->file, row);
column_width = elm_code_line_text_column_width(line, pd->tabstop);
if (col > column_width + 1)
col = column_width + 1;
_elm_code_widget_cursor_move(widget, pd, col, row, EINA_TRUE);
}
static Eina_Bool
_elm_code_widget_delete_selection(Elm_Code_Widget *widget)
{
@ -1102,6 +1164,10 @@ _elm_code_widget_key_down_cb(void *data, Evas *evas EINA_UNUSED,
_elm_code_widget_cursor_move_home(widget);
else if (!strcmp(ev->key, "End"))
_elm_code_widget_cursor_move_end(widget);
else if (!strcmp(ev->key, "Prior"))
_elm_code_widget_cursor_move_pageup(widget);
else if (!strcmp(ev->key, "Next"))
_elm_code_widget_cursor_move_pagedown(widget);
else if (!strcmp(ev->key, "KP_Enter") || !strcmp(ev->key, "Return"))
_elm_code_widget_newline(widget);
@ -1197,6 +1263,17 @@ _elm_code_widget_line_visible_get(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd,
return EINA_TRUE;;
}
EOAPI unsigned int
_elm_code_widget_lines_visible_get(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd)
{
Evas_Coord cellh, viewh;
elm_scroller_region_get(pd->scroller, NULL, NULL, NULL, &viewh);
evas_object_textgrid_cell_size_get(pd->grid, NULL, &cellh);
return viewh / cellh;
}
EOLIAN static void
_elm_code_widget_font_size_set(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd, Evas_Font_Size font_size)
{

3
elm_code/src/lib/widget/elm_code_widget.eo
View File

@ -191,6 +191,9 @@ class Elm_Code_Widget (Elm.Layout, Elm_Interface_Atspi_Text)
}
return: bool; /*@ true if the line specified is currently visible within the scroll region. */
}
lines_visible_get {
return: uint; /*@ the number of lines currently visible in the widget. */
}
/* text functions */
text_left_gutter_width_get {