Enlightenment CVS committal
Author : moom
Project : e17
Module : proto
Dir : e17/proto/etk/src/lib
Modified Files:
etk_textblock.c
Log Message:
* [Textblock] Mouse selection
===================================================================
RCS file: /cvs/e/e17/proto/etk/src/lib/etk_textblock.c,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -3 -r1.23 -r1.24
--- etk_textblock.c 26 Jul 2006 15:17:07 -0000 1.23
+++ etk_textblock.c 26 Jul 2006 20:48:09 -0000 1.24
@@ -42,12 +42,14 @@
Etk_Textblock_Object_Line *last_visible_line;
Etk_Bool cursor_visible;
+ Etk_Bool selecting;
Etk_Textblock_Iter *cursor;
Etk_Textblock_Iter *selection;
Evas_Object *cursor_object;
Evas_List *selection_rects;
Evas_Object *clip;
+ Evas_Object *bg;
int xoffset;
int yoffset;
@@ -132,6 +134,11 @@
static int _etk_textblock_text_nodes_count(Etk_Textblock_Node *line,
Etk_Textblock_Node *node);
static Evas_List *_etk_textblock_object_range_geometry_get(Evas_Object *tbo,
Etk_Textblock_Iter *start, Etk_Textblock_Iter *end);
+static void _etk_textblock_object_iter_move_to(Evas_Object *tbo,
Etk_Textblock_Iter *iter, int x, int y);
+
+static void _etk_tb_object_mouse_down_cb(void *data, Evas *e, Evas_Object
*obj, void *event_info);
+static void _etk_tb_object_mouse_up_cb(void *data, Evas *e, Evas_Object *obj,
void *event_info);
+static void _etk_tb_object_mouse_move_cb(void *data, Evas *e, Evas_Object
*obj, void *event_info);
static void _etk_tb_object_smart_add(Evas_Object *obj);
static void _etk_tb_object_smart_del(Evas_Object *obj);
@@ -3696,6 +3703,119 @@
return selection_geometry;
}
+/* Moves the iter to the position (x, y) */
+static void _etk_textblock_object_iter_move_to(Evas_Object *tbo,
Etk_Textblock_Iter *iter, int x, int y)
+{
+ Etk_Textblock_Object_SD *tbo_sd;
+ Etk_Textblock_Object_Line *line, *l;
+
+ if (!tbo || !iter || !(tbo_sd = evas_object_smart_data_get(tbo)))
+ return;
+
+ /* TODO: optimize: use an AVL to store the object's lines */
+ /* TODO: take account of scrolling */
+ line = tbo_sd->last_line;
+ for (l = tbo_sd->lines; l; l = l->next)
+ {
+ if (l->geometry.y + l->geometry.h >= y)
+ {
+ line = l;
+ break;
+ }
+ }
+
+ if (!line)
+ return;
+
+ for (iter->node = line->node; iter->node->children; iter->node =
iter->node->children);
+ iter->pos = 0;
+ iter->index = 0;
+
+ if (line->object && !_etk_textblock_node_is_empty(line->node))
+ {
+ Etk_Textblock_Node *node;
+ Evas_Textblock_Cursor *cur;
+ const char *text;
+ int line_num;
+ int pos, i;
+ int lx, lw;
+
+ cur = evas_object_textblock_cursor_new(line->object);
+ if (!evas_textblock_cursor_char_coord_set(cur, x - line->geometry.x, y -
line->geometry.y))
+ {
+ line_num = evas_textblock_cursor_line_coord_set(cur, y -
line->geometry.y);
+ if (line_num >= 0)
+ {
+ evas_textblock_cursor_line_geometry_get(cur, &lx, NULL, &lw, NULL);
+
+ if (x - (line->geometry.x + lx) <= (lw / 2))
+ evas_textblock_cursor_line_first(cur);
+ else
+ evas_textblock_cursor_line_last(cur);
+ }
+ }
+ pos = evas_textblock_cursor_pos_get(cur);
+
+ while (evas_textblock_cursor_node_prev(cur))
+ {
+ if ((text = evas_textblock_cursor_node_text_get(cur)) && *text)
+ {
+ if ((node = _etk_textblock_next_text_node_get(iter->node,
ETK_TRUE, NULL)))
+ iter->node = node;
+ }
+ }
+
+ iter->pos = pos;
+ iter->index = 0;
+ for (i = 0; i < pos; i++)
+ iter->index =
evas_string_char_next_get(etk_string_get(iter->node->text), iter->index, NULL);
+
+ evas_textblock_cursor_free(cur);
+ }
+
+ _etk_textblock_iter_update(iter);
+}
+
+/* Called when the textblock object is pressed by the mouse */
+static void _etk_tb_object_mouse_down_cb(void *data, Evas *e, Evas_Object
*obj, void *event_info)
+{
+ Etk_Textblock_Object_SD *tbo_sd;
+ Evas_Event_Mouse_Down *event;
+ int ox, oy;
+
+ if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)) || !(event =
event_info))
+ return;
+
+ evas_object_geometry_get(obj, &ox, &oy, NULL, NULL);
+ _etk_textblock_object_iter_move_to(obj, tbo_sd->cursor, event->canvas.x -
ox, event->canvas.y - oy);
+ etk_textblock_iter_copy(tbo_sd->selection, tbo_sd->cursor);
+ tbo_sd->selecting = ETK_TRUE;
+}
+
+/* Called when the textblock object is released by the mouse */
+static void _etk_tb_object_mouse_up_cb(void *data, Evas *e, Evas_Object *obj,
void *event_info)
+{
+ Etk_Textblock_Object_SD *tbo_sd;
+
+ if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)))
+ return;
+ tbo_sd->selecting = ETK_FALSE;
+}
+
+/* Called when the mouse moves over the textblock object */
+static void _etk_tb_object_mouse_move_cb(void *data, Evas *e, Evas_Object
*obj, void *event_info)
+{
+ Etk_Textblock_Object_SD *tbo_sd;
+ Evas_Event_Mouse_Move *event;
+ int ox, oy;
+
+ if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)) || !(event =
event_info) || !tbo_sd->selecting)
+ return;
+
+ evas_object_geometry_get(obj, &ox, &oy, NULL, NULL);
+ _etk_textblock_object_iter_move_to(obj, tbo_sd->cursor, event->cur.canvas.x
- ox, event->cur.canvas.y - oy);
+}
+
/**************************
*
* Textblock object's smart object
@@ -3715,12 +3835,18 @@
tbo_sd->tb = NULL;
tbo_sd->wrap = ETK_TEXTBLOCK_WRAP_WORD;
tbo_sd->cursor_visible = ETK_TRUE;
+ tbo_sd->selecting = ETK_FALSE;
tbo_sd->cursor_timer = NULL;
tbo_sd->update_job = NULL;
tbo_sd->clip = evas_object_rectangle_add(evas);
evas_object_smart_member_add(tbo_sd->clip, obj);
+ tbo_sd->bg = evas_object_rectangle_add(evas);
+ evas_object_color_set(tbo_sd->bg, 255, 255, 255, 0);
+ evas_object_clip_set(tbo_sd->bg, tbo_sd->clip);
+ evas_object_smart_member_add(tbo_sd->bg, obj);
+
tbo_sd->cursor_object = evas_object_rectangle_add(evas);
/* TODO: make the cursor color themeable */
evas_object_color_set(tbo_sd->cursor_object, 0, 0, 0, 255);
@@ -3743,6 +3869,10 @@
tbo_sd->style = evas_textblock_style_new();
evas_textblock_style_set(tbo_sd->style, "DEFAULT='font=Vera font_size=10
align=left color=#000000'");
+ evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_DOWN,
_etk_tb_object_mouse_down_cb, NULL);
+ evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_UP,
_etk_tb_object_mouse_up_cb, NULL);
+ evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_MOVE,
_etk_tb_object_mouse_move_cb, NULL);
+
evas_object_smart_data_set(obj, tbo_sd);
}
@@ -3773,6 +3903,8 @@
free(line);
}
evas_object_del(tbo_sd->cursor_object);
+ evas_object_del(tbo_sd->clip);
+ evas_object_del(tbo_sd->bg);
evas_textblock_style_free(tbo_sd->style);
tbo_sd->tb->evas_objects = evas_list_remove(tbo_sd->tb->evas_objects, obj);
@@ -3799,6 +3931,7 @@
if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)))
return;
+ evas_object_move(tbo_sd->bg, x, y);
evas_object_move(tbo_sd->clip, x, y);
evas_object_geometry_get(obj, &prev_x, &prev_y, NULL, NULL);
@@ -3834,6 +3967,7 @@
if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)))
return;
+ evas_object_resize(tbo_sd->bg, w, h);
evas_object_resize(tbo_sd->clip, w, h);
/* TODO: optimization for non-wrapped lines? */
@@ -3851,6 +3985,7 @@
if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)))
return;
+ evas_object_show(tbo_sd->bg);
evas_object_show(tbo_sd->clip);
for (line = tbo_sd->first_visible_line; line; line = line->next)
@@ -3888,6 +4023,7 @@
if (!obj || !(tbo_sd = evas_object_smart_data_get(obj)))
return;
+ evas_object_hide(tbo_sd->bg);
evas_object_hide(tbo_sd->clip);
for (line = tbo_sd->first_visible_line; line; line = line->next)
-------------------------------------------------------------------------
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