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elm_code selection: Input selecttion from mouse 

When editable allow dragging the cursor with a mouse button
down then set up a selecttion.
This commit is contained in:
Andy Williams 2015-03-18 22:24:56 +00:00
parent 4398dd38f8
commit 6509d5c1d6
3 changed files with 135 additions and 23 deletions
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131
legacy/elm_code/src/lib/elm_code_widget.c
View File

@ -415,6 +415,18 @@ _elm_code_widget_file_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Descrip
return EO_CALLBACK_CONTINUE;
}
static Eina_Bool
_elm_code_widget_selection_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED,
void *event_info EINA_UNUSED)
{
Elm_Code_Widget *widget;
widget = (Elm_Code_Widget *)data;
_elm_code_widget_fill(widget);
return EO_CALLBACK_CONTINUE;
}
static void
_elm_code_widget_resize_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info EINA_UNUSED)
@ -526,24 +538,45 @@ _elm_code_widget_cursor_move(Elm_Code_Widget *widget, Elm_Code_Widget_Data *pd,
_elm_code_widget_fill_line(widget, elm_code_file_line_get(pd->code->file, pd->cursor_line));
}
static Eina_Bool
_elm_code_widget_position_at_coordinates_get(Elm_Code_Widget *widget, Elm_Code_Widget_Data *pd,
Evas_Coord x, Evas_Coord y,
unsigned int *row, unsigned int *col)
{
Elm_Code_Line *line;
Evas_Coord ox, oy, sx, sy;
int cw, ch;
evas_object_geometry_get(widget, &ox, &oy, NULL, NULL);
elm_scroller_region_get(pd->scroller, &sx, &sy, NULL, NULL);
x = x + sx - ox;
y = y + sy - oy;
evas_object_textgrid_cell_size_get(pd->grid, &cw, &ch);
if (col)
*col = ((double) x / cw) - elm_code_widget_text_left_gutter_width_get(widget) + 1;
if (row)
*row = ((double) y / ch) + 1;
line = elm_code_file_line_get(pd->code->file, *row);
return !!line;
}
static void
_elm_code_widget_clicked_editable_cb(Elm_Code_Widget *widget, Evas_Coord x, Evas_Coord y)
{
Elm_Code_Widget_Data *pd;
Elm_Code_Line *line;
int cw, ch;
unsigned int row, col;
Eina_Bool hasline;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
evas_object_textgrid_cell_size_get(pd->grid, &cw, &ch);
col = ((double) x / cw) - elm_code_widget_text_left_gutter_width_get(widget) + 1;
row = ((double) y / ch) + 1;
line = elm_code_file_line_get(pd->code->file, row);
if (!line)
hasline = _elm_code_widget_position_at_coordinates_get(widget, pd, x, y, &row, &col);
if (!hasline)
return;
line = elm_code_file_line_get(pd->code->file, row);
if (col > (unsigned int) line->unicode_length + 1)
col = line->unicode_length + 1;
else if (col == 0)
@ -553,45 +586,93 @@ _elm_code_widget_clicked_editable_cb(Elm_Code_Widget *widget, Evas_Coord x, Evas
}
static void
_elm_code_widget_clicked_readonly_cb(Elm_Code_Widget *widget, Evas_Coord y)
_elm_code_widget_clicked_readonly_cb(Elm_Code_Widget *widget, Evas_Coord x, Evas_Coord y)
{
Elm_Code_Widget_Data *pd;
Elm_Code_Line *line;
int ch;
unsigned int row;
Eina_Bool hasline;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
evas_object_textgrid_cell_size_get(pd->grid, NULL, &ch);
row = ((double) y / ch) + 1;
hasline = _elm_code_widget_position_at_coordinates_get(widget, pd, x, y, &row, NULL);
if (!hasline)
return;
line = elm_code_file_line_get(pd->code->file, row);
if (line)
eo_do(widget, eo_event_callback_call(ELM_CODE_WIDGET_EVENT_LINE_CLICKED, line));
eo_do(widget, eo_event_callback_call(ELM_CODE_WIDGET_EVENT_LINE_CLICKED, line));
}
static void
_elm_code_widget_clicked_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
_elm_code_widget_mouse_down_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info)
{
Elm_Code_Widget *widget;
Elm_Code_Widget_Data *pd;
Evas_Event_Mouse_Down *event;
unsigned int row, col;
widget = (Elm_Code_Widget *)data;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
event = (Evas_Event_Mouse_Down *)event_info;
elm_code_widget_selection_clear(widget);
if (!pd->editable)
return;
_elm_code_widget_position_at_coordinates_get(widget, pd, event->canvas.x, event->canvas.y, &row, &col);
elm_code_widget_selection_start(widget, row, col);
}
static void
_elm_code_widget_mouse_move_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info)
{
Elm_Code_Widget *widget;
Elm_Code_Widget_Data *pd;
Evas_Event_Mouse_Move *event;
unsigned int row, col;
widget = (Elm_Code_Widget *)data;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
event = (Evas_Event_Mouse_Move *)event_info;
if (!pd->editable || !pd->selection || !event->buttons)
return;
_elm_code_widget_position_at_coordinates_get(widget, pd, event->cur.canvas.x, event->cur.canvas.y, &row, &col);
elm_code_widget_selection_end(widget, row, col);
}
static void
_elm_code_widget_mouse_up_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
void *event_info)
{
Elm_Code_Widget *widget;
Elm_Code_Widget_Data *pd;
Evas_Event_Mouse_Up *event;
Evas_Coord x, y, ox, oy, sx, sy;
Evas_Coord x, y;
widget = (Elm_Code_Widget *)data;
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
event = (Evas_Event_Mouse_Up *)event_info;
evas_object_geometry_get(widget, &ox, &oy, NULL, NULL);
elm_scroller_region_get(pd->scroller, &sx, &sy, NULL, NULL);
x = event->canvas.x + sx - ox;
y = event->canvas.y + sy - oy;
if (pd->selection)
{
if (pd->selection->start_line == pd->selection->end_line &&
pd->selection->start_col == pd->selection->end_col)
elm_code_widget_selection_clear(widget);
else
return;
}
x = event->canvas.x;
y = event->canvas.y;
if (pd->editable)
_elm_code_widget_clicked_editable_cb(widget, x, y);
else
_elm_code_widget_clicked_readonly_cb(widget, y);
_elm_code_widget_clicked_readonly_cb(widget, x, y);
}
static void
@ -1122,15 +1203,19 @@ _elm_code_widget_evas_object_smart_add(Eo *obj, Elm_Code_Widget_Data *pd)
_elm_code_widget_setup_palette(grid);
evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _elm_code_widget_resize_cb, obj);
evas_object_event_callback_add(grid, EVAS_CALLBACK_MOUSE_UP, _elm_code_widget_clicked_cb, obj);
evas_object_event_callback_add(grid, EVAS_CALLBACK_MOUSE_DOWN, _elm_code_widget_mouse_down_cb, obj);
evas_object_event_callback_add(grid, EVAS_CALLBACK_MOUSE_MOVE, _elm_code_widget_mouse_move_cb, obj);
evas_object_event_callback_add(grid, EVAS_CALLBACK_MOUSE_UP, _elm_code_widget_mouse_up_cb, obj);
evas_object_event_callback_add(obj, EVAS_CALLBACK_KEY_DOWN, _elm_code_widget_key_down_cb, obj);
evas_object_smart_callback_add(obj, "focused", _elm_code_widget_focused_event_cb, obj);
evas_object_smart_callback_add(obj, "unfocused", _elm_code_widget_unfocused_event_cb, obj);
eo_do(obj,
eo_event_callback_add(&ELM_CODE_EVENT_LINE_LOAD_DONE, _elm_code_widget_line_cb, obj);
eo_event_callback_add(&ELM_CODE_EVENT_FILE_LOAD_DONE, _elm_code_widget_file_cb, obj));
eo_event_callback_add(&ELM_CODE_EVENT_LINE_LOAD_DONE, _elm_code_widget_line_cb, obj),
eo_event_callback_add(&ELM_CODE_EVENT_FILE_LOAD_DONE, _elm_code_widget_file_cb, obj),
eo_event_callback_add(ELM_CODE_WIDGET_EVENT_SELECTION_CHANGED, _elm_code_widget_selection_cb, obj),
eo_event_callback_add(ELM_CODE_WIDGET_EVENT_SELECTION_CLEARED, _elm_code_widget_selection_cb, obj));
_elm_code_widget_font_size_set(obj, pd, 10);
}

2
legacy/elm_code/src/lib/elm_code_widget.eo
View File

@ -180,6 +180,8 @@ class Elm_Code_Widget (Elm_Layout, Elm_Interface_Atspi_Text)
events {
line,clicked;
cursor,changed;
selection,changed;
selection,cleared;
}
}

25
legacy/elm_code/src/lib/elm_code_widget_selection.c
View File

@ -16,6 +16,26 @@ _elm_code_widget_selection_new()
return data;
}
static void
_elm_code_widget_selection_limit(Evas_Object *widget EINA_UNUSED, Elm_Code_Widget_Data *pd,
unsigned int *row, unsigned int *col)
{
Elm_Code_Line *line;
Elm_Code_File *file;
file = pd->code->file;
if (*row > elm_code_file_lines_get(file))
*row = elm_code_file_lines_get(file);
line = elm_code_file_line_get(file, *row);
if (*col > line->unicode_length + 1)
*col = line->unicode_length + 1;
if (*col < 1)
*col = 1;
}
EAPI void
elm_code_widget_selection_start(Evas_Object *widget,
unsigned int line, unsigned int col)
@ -25,6 +45,7 @@ elm_code_widget_selection_start(Evas_Object *widget,
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
_elm_code_widget_selection_limit(widget, pd, &line, &col);
if (!pd->selection)
{
selection = _elm_code_widget_selection_new();
@ -37,6 +58,7 @@ elm_code_widget_selection_start(Evas_Object *widget,
pd->selection->start_line = line;
pd->selection->start_col = col;
eo_do(widget, eo_event_callback_call(ELM_CODE_WIDGET_EVENT_SELECTION_CHANGED, widget));
}
EAPI void
@ -48,6 +70,7 @@ elm_code_widget_selection_end(Evas_Object *widget,
pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
_elm_code_widget_selection_limit(widget, pd, &line, &col);
if (!pd->selection)
{
selection = _elm_code_widget_selection_new();
@ -60,6 +83,7 @@ elm_code_widget_selection_end(Evas_Object *widget,
pd->selection->end_line = line;
pd->selection->end_col = col;
eo_do(widget, eo_event_callback_call(ELM_CODE_WIDGET_EVENT_SELECTION_CHANGED, widget));
}
EAPI void
@ -73,6 +97,7 @@ elm_code_widget_selection_clear(Evas_Object *widget)
free(pd->selection);
pd->selection = NULL;
eo_do(widget, eo_event_callback_call(ELM_CODE_WIDGET_EVENT_SELECTION_CLEARED, widget));
}
EAPI const char *