382e7fdf117c4eb92e1aa634b34f50b3897d4e3d
[framework/uifw/elementary.git] / src / lib / elm_colorselector.c
1 #include <Elementary.h>
2 #include "elm_priv.h"
3
4 #define BASE_STEP 360.0
5 #define HUE_STEP 360.0
6 #define SAT_STEP 128.0
7 #define LIG_STEP 256.0
8 #define ALP_STEP 256.0
9 #define DEFAULT_HOR_PAD 10
10 #define DEFAULT_VER_PAD 10
11
12 typedef enum _Color_Type
13 {
14    HUE,
15    SATURATION,
16    LIGHTNESS,
17    ALPHA
18 } Color_Type;
19
20 typedef struct _Colorselector_Data Colorselector_Data;
21 struct _Colorselector_Data
22 {
23    Evas_Object *parent;
24    Evas_Object *colorbar;
25    Evas_Object *bar;
26    Evas_Object *lbt;
27    Evas_Object *rbt;
28    Evas_Object *bg_rect;
29    Evas_Object *arrow;
30    Evas_Object *touch_area;
31    Color_Type color_type;
32 };
33
34 typedef struct _Widget_Data Widget_Data;
35 typedef struct _Elm_Color_Item Elm_Color_Item;
36 struct _Widget_Data
37 {
38    Evas_Object *sel;
39    Evas_Object *base;
40    Evas_Object *box;
41    Eina_List *items;
42    Colorselector_Data *cp[4];
43    Ecore_Timer *longpress_timer;
44    const char *palette_name;
45    Evas_Coord _x, _y, _w, _h;
46    int r, g, b, a;
47    int er, eg, eb;
48    int sr, sg, sb;
49    int lr, lg, lb;
50    double h, s, l;
51    Elm_Colorselector_Mode mode;
52    Eina_Bool longpressed : 1;
53    Eina_Bool config_load: 1;
54 };
55
56 struct _Elm_Color_Item
57 {
58    ELM_WIDGET_ITEM;
59    Evas_Object *color_obj;
60    Elm_Color_RGBA *color;
61 };
62
63 static const char *widtype = NULL;
64
65 static void _del_hook(Evas_Object *obj);
66 static void _theme_hook(Evas_Object *obj);
67 static void _sizing_eval(Evas_Object *obj);
68 static void _resize_cb(void *data, Evas *a, Evas_Object *obj, void *event_info);
69 static void _rgb_to_hsl(void *data);
70 static void _hsl_to_rgb(void *data);
71 static void _color_with_saturation(void *data);
72 static void _color_with_lightness(void *data);
73 static void _draw_rects(void *data, double x);
74 static void _arrow_cb(void *data, Evas_Object *obj, const char *emission,
75                       const char *source);
76 static void _colorbar_cb(void *data, Evas *e, Evas_Object *obj,
77                          void *event_info);
78 static void _left_button_clicked_cb(void *data, Evas_Object * obj,
79                                     void *event_info);
80 static void _left_button_repeat_cb(void *data, Evas_Object * obj,
81                                    void *event_info);
82 static void _right_button_clicked_cb(void *data, Evas_Object * obj,
83                                      void *event_info);
84 static void _right_button_repeat_cb(void *data, Evas_Object * obj,
85                                     void *event_info);
86 static void _add_colorbar(Evas_Object *obj);
87 static void _set_color(Evas_Object *obj, int r, int g, int b, int a);
88 static Elm_Color_Item *_item_new(Evas_Object *obj);
89 static void _item_sizing_eval(Elm_Color_Item *item);
90 static void _item_highlight(void *data, Evas *e, Evas_Object *obj, void *event_info);
91 static void _item_unhighlight(void *data, Evas *e, Evas_Object *obj, void *event_info);
92 static Eina_Bool _long_press(void *data);
93 static void _remove_items(Widget_Data *wd);
94 static void _colors_remove(Evas_Object *obj);
95 static void _colors_save(Evas_Object *obj);
96 static void _colors_load_apply(Evas_Object *obj);
97
98 static const char SIG_CHANGED[] = "changed";
99 static const char SIG_COLOR_ITEM_SELECTED[] = "color,item,selected";
100 static const char SIG_COLOR_ITEM_LONGPRESSED[] = "color,item,longpressed";
101
102 static const Evas_Smart_Cb_Description _signals[] =
103 {
104    {SIG_COLOR_ITEM_SELECTED, ""},
105    {SIG_COLOR_ITEM_LONGPRESSED, ""},
106    {SIG_CHANGED, ""},
107    {NULL, NULL}
108 };
109
110 static void
111 _del_hook(Evas_Object *obj)
112 {
113    Widget_Data *wd = elm_widget_data_get(obj);
114    int i = 0;
115
116    if (!wd) return;
117    if (wd->longpress_timer) ecore_timer_del(wd->longpress_timer);
118    if (wd->palette_name) eina_stringshare_del(wd->palette_name);
119    _remove_items(wd);
120    for (i = 0; i < 4; i++) free(wd->cp[i]);
121    free(wd);
122 }
123
124 static void
125 _theme_hook(Evas_Object *obj)
126 {
127    Widget_Data *wd = elm_widget_data_get(obj);
128    Eina_List *elist;
129    Elm_Color_Item *item;
130    int i;
131    const char *hpadstr, *vpadstr;
132    unsigned int h_pad = DEFAULT_HOR_PAD;
133    unsigned int v_pad = DEFAULT_VER_PAD;
134
135    if ((!wd) || (!wd->sel)) return;
136
137    _elm_theme_object_set(obj, wd->base, "colorselector", "palette",
138                          elm_widget_style_get(obj));
139    _elm_theme_object_set(obj, wd->sel, "colorselector", "bg",
140                          elm_widget_style_get(obj));
141    hpadstr = edje_object_data_get(wd->base, "horizontal_pad");
142    if (hpadstr) h_pad = atoi(hpadstr);
143    vpadstr = edje_object_data_get(wd->base, "vertical_pad");
144    if (vpadstr) v_pad = atoi(vpadstr);
145    elm_box_padding_set(wd->box, (Evas_Coord)(h_pad * elm_widget_scale_get(obj) * _elm_config->scale),
146                        (Evas_Coord)(v_pad * elm_widget_scale_get(obj) *_elm_config->scale));
147    EINA_LIST_FOREACH(wd->items, elist, item)
148      {
149         elm_layout_theme_set(VIEW(item), "colorselector", "item", elm_widget_style_get(obj));
150         _elm_theme_object_set(obj, item->color_obj, "colorselector", "item/color", elm_widget_style_get(obj));
151      }
152    for (i = 0; i < 4; i++)
153      {
154         evas_object_del(wd->cp[i]->colorbar);
155         wd->cp[i]->colorbar = NULL;
156         evas_object_del(wd->cp[i]->bar);
157         wd->cp[i]->bar = NULL;
158         evas_object_del(wd->cp[i]->lbt);
159         wd->cp[i]->lbt = NULL;
160         evas_object_del(wd->cp[i]->rbt);
161         wd->cp[i]->rbt = NULL;
162         if (i != 0)
163           {
164              evas_object_del(wd->cp[i]->bg_rect);
165              wd->cp[i]->bg_rect = NULL;
166           }
167         evas_object_del(wd->cp[i]->arrow);
168         wd->cp[i]->arrow = NULL;
169         evas_object_del(wd->cp[i]->touch_area);
170         wd->cp[i]->touch_area = NULL;
171      }
172
173    _add_colorbar(obj);
174    elm_colorselector_color_set(obj, wd->r, wd->g, wd->b, wd->a);
175    _sizing_eval(obj);
176 }
177
178 static void
179 _colorselector_set_size_hints(Evas_Object *obj, int timesw, int timesh)
180 {
181    Evas_Coord minw = -1, minh = -1;
182
183    elm_coords_finger_size_adjust(timesw, &minw, timesh, &minh);
184    edje_object_size_min_restricted_calc(obj, &minw, &minh,
185                                         minw, minh);
186    evas_object_size_hint_min_set(obj, minw, minh);
187    evas_object_size_hint_max_set(obj, -1, -1);
188 }
189
190 static void
191 _item_sizing_eval(Elm_Color_Item *item)
192 {
193    Evas_Coord minw = -1, minh = -1;
194
195    if (!item) return;
196
197    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
198    edje_object_size_min_restricted_calc(VIEW(item), &minw, &minh, minw,
199                                         minh);
200    evas_object_size_hint_min_set(VIEW(item), minw, minh);
201 }
202
203 static void _resize_cb(void *data, Evas *a __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
204 {
205    _sizing_eval(data);
206 }
207
208 static void
209 _sizing_eval_palette(Evas_Object *obj)
210 {
211    Widget_Data *wd = elm_widget_data_get(obj);
212    Eina_List *elist;
213    Elm_Color_Item *item;
214    Evas_Coord bw = 0, bh = 0;
215    Evas_Coord w = 0, h = 0;
216    if (!wd) return;
217
218    EINA_LIST_FOREACH(wd->items, elist, item)
219      {
220         _item_sizing_eval(item);
221      }
222    evas_object_size_hint_min_get(wd->box, &bw, &bh);
223    evas_object_size_hint_min_set(obj, bw, bh);
224    evas_object_size_hint_max_set(obj, -1, -1);
225    evas_object_geometry_get(obj, NULL, NULL, &w, &h);
226    if (w < bw) w = bw;
227    if (h < bh) h = bh;
228    evas_object_resize(obj, w, h);
229 }
230
231 static void
232 _sizing_eval_selector(Evas_Object *obj)
233 {
234    Widget_Data *wd = elm_widget_data_get(obj);
235    Evas_Coord minw = -1, minh = -1;
236    Evas_Coord w = 0, h = 0;
237    int i;
238
239    if (!wd) return;
240    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
241    for (i = 0; i < 4; i++)
242      {
243         if (wd->cp[i]->bg_rect)
244           _colorselector_set_size_hints(wd->cp[i]->bg_rect, 1, 1);
245         _colorselector_set_size_hints(wd->cp[i]->bar, 1, 1);
246         _colorselector_set_size_hints(wd->cp[i]->rbt, 1, 1);
247         _colorselector_set_size_hints(wd->cp[i]->lbt, 1, 1);
248
249         _colorselector_set_size_hints(wd->cp[i]->colorbar, 4, 1);
250      }
251
252    elm_coords_finger_size_adjust(4, &minw, 4, &minh);
253    edje_object_size_min_restricted_calc(wd->sel, &minw, &minh, minw, minh);
254    evas_object_size_hint_min_set(obj, minw, minh);
255    evas_object_size_hint_max_set(obj, -1, -1);
256    evas_object_geometry_get(obj, NULL, NULL, &w, &h);
257    if (w < minw) w = minw;
258    if (h < minh) h = minh;
259    evas_object_resize(obj, w, h);
260 }
261
262 static void
263 _sizing_eval_palette_selector(Evas_Object *obj)
264 {
265    Widget_Data *wd = elm_widget_data_get(obj);
266    Evas_Coord minw = -1, minh = -1;
267    Evas_Coord bw = 0, bh = 0;
268    Evas_Coord w = 0, h = 0;
269    int i;
270    if (!wd) return;
271    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
272    for (i = 0; i < 4; i++)
273      {
274         if (wd->cp[i]->bg_rect)
275           _colorselector_set_size_hints(wd->cp[i]->bg_rect, 1, 1);
276         _colorselector_set_size_hints(wd->cp[i]->bar, 1, 1);
277         _colorselector_set_size_hints(wd->cp[i]->rbt, 1, 1);
278         _colorselector_set_size_hints(wd->cp[i]->lbt, 1, 1);
279
280         _colorselector_set_size_hints(wd->cp[i]->colorbar, 4, 1);
281      }
282
283    elm_coords_finger_size_adjust(4, &minw, 4, &minh);
284    edje_object_size_min_restricted_calc(wd->sel, &minw, &minh, minw, minh);
285    evas_object_size_hint_min_get(wd->box, &bw, &bh);
286    evas_object_size_hint_min_set(obj, minw, minh+bh);
287    evas_object_size_hint_max_set(obj, -1, -1);
288    evas_object_geometry_get(obj, NULL, NULL, &w, &h);
289    if (w < minw) w = minw;
290    if (h < (minh+bh)) h = (minh+bh);
291    evas_object_resize(obj, w, h);
292 }
293
294 static void
295 _sizing_eval(Evas_Object *obj)
296 {
297    Widget_Data *wd = elm_widget_data_get(obj);
298    if (!wd) return;
299    switch (wd->mode)
300      {
301         case ELM_COLORSELECTOR_PALETTE:
302            _sizing_eval_palette(obj);
303            break;
304         case ELM_COLORSELECTOR_COMPONENTS:
305            _sizing_eval_selector(obj);
306            break;
307         case ELM_COLORSELECTOR_BOTH:
308            _sizing_eval_palette_selector(obj);
309            break;
310         default:
311            break;
312      }
313 }
314
315 static Eina_Bool
316 _long_press(void *data)
317 {
318    Elm_Color_Item *item = (Elm_Color_Item *) data;
319    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
320    if (!wd) return ECORE_CALLBACK_CANCEL;
321    wd->longpress_timer = NULL;
322    wd->longpressed = EINA_TRUE;
323    evas_object_smart_callback_call(WIDGET(item), SIG_COLOR_ITEM_LONGPRESSED, item);
324    return ECORE_CALLBACK_CANCEL;
325 }
326
327 static void
328 _item_highlight(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
329 {
330    Elm_Color_Item *item = (Elm_Color_Item *) data;
331    Evas_Event_Mouse_Down *ev = event_info;
332    if (!item) return;
333    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
334    if (!wd) return;
335    if (ev->button != 1) return;
336    elm_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
337    wd->longpressed = EINA_FALSE;
338    if (wd->longpress_timer) ecore_timer_del(wd->longpress_timer);
339    wd->longpress_timer = ecore_timer_add(_elm_config->longpress_timeout, _long_press, data);
340 }
341
342 static void
343 _item_unhighlight(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
344 {
345    Elm_Color_Item *item = (Elm_Color_Item *) data;
346    Evas_Event_Mouse_Down *ev = event_info;
347    if (!item) return;
348    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
349    if (!wd) return;
350    if (ev->button != 1) return;
351    if (wd->longpress_timer)
352      {
353         ecore_timer_del(wd->longpress_timer);
354         wd->longpress_timer = NULL;
355      }
356    elm_object_signal_emit(VIEW(item), "elm,state,unselected", "elm");
357    if (!wd->longpressed)
358      {
359         evas_object_smart_callback_call(WIDGET(item), SIG_COLOR_ITEM_SELECTED, item);
360         elm_colorselector_color_set(WIDGET(item), item->color->r, item->color->g, item->color->b, item->color->a);
361      }
362 }
363
364 static void
365 _remove_items(Widget_Data *wd)
366 {
367    Elm_Color_Item *item;
368
369    if (!wd->items) return;
370
371    EINA_LIST_FREE(wd->items, item)
372      {
373         free(item->color);
374         elm_widget_item_free(item);
375      }
376
377    wd->items = NULL;
378 }
379
380 static Elm_Color_Item*
381 _item_new(Evas_Object *obj)
382 {
383    Elm_Color_Item *item;
384    Widget_Data *wd;
385
386    wd = elm_widget_data_get(obj);
387    if (!wd) return NULL;
388
389    item = elm_widget_item_new(obj, Elm_Color_Item);
390    if (!item) return NULL;
391
392    VIEW(item) = elm_layout_add(obj);
393    elm_layout_theme_set(VIEW(item), "colorselector", "item", elm_widget_style_get(obj));
394    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
395    evas_object_size_hint_align_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
396    item->color_obj = edje_object_add(evas_object_evas_get(obj));
397    _elm_theme_object_set(obj, item->color_obj, "colorselector", "item/color", elm_widget_style_get(obj));
398    evas_object_size_hint_weight_set(item->color_obj, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
399    evas_object_size_hint_align_set(item->color_obj, EVAS_HINT_FILL, EVAS_HINT_FILL);
400    evas_object_event_callback_add(item->color_obj, EVAS_CALLBACK_MOUSE_DOWN, _item_highlight, item);
401    evas_object_event_callback_add(item->color_obj, EVAS_CALLBACK_MOUSE_UP, _item_unhighlight, item);
402    elm_object_part_content_set(VIEW(item), "color_obj", item->color_obj);
403    _item_sizing_eval(item);
404    evas_object_show(VIEW(item));
405
406    return item;
407 }
408
409 static void
410 _colors_remove(Evas_Object *obj)
411 {
412    Widget_Data *wd = elm_widget_data_get(obj);
413
414    _remove_items(wd);
415    _elm_config_colors_free(wd->palette_name);
416 }
417
418 static void _colors_save(Evas_Object *obj)
419 {
420    Eina_List *elist;
421    Widget_Data *wd = elm_widget_data_get(obj);
422    Elm_Color_Item *item;
423    _elm_config_colors_free(wd->palette_name);
424    EINA_LIST_FOREACH(wd->items, elist, item)
425      {
426         _elm_config_color_set(wd->palette_name, item->color->r, item->color->g,
427                               item->color->b, item->color->a);
428      }
429 }
430
431 static void
432 _colors_load_apply(Evas_Object *obj)
433 {
434    Elm_Color_RGBA *color;
435    Eina_List *elist;
436    Eina_List *color_list;
437    Elm_Color_Item *item;
438    Widget_Data *wd = elm_widget_data_get(obj);
439    color_list = _elm_config_color_list_get(wd->palette_name);
440    if (!color_list) return;
441    EINA_LIST_FOREACH(color_list, elist, color)
442      {
443         item = _item_new(obj);
444         if (!item) return;
445         item->color = ELM_NEW(Elm_Color_RGBA);
446         if (!item->color) return;
447         item->color->r = color->r;
448         item->color->g = color->g;
449         item->color->b = color->b;
450         item->color->a = color->a;
451         elm_box_pack_end(wd->box, VIEW(item));
452         evas_object_color_set(item->color_obj, item->color->r, item->color->g,
453                               item->color->b, item->color->a);
454         wd->items = eina_list_append(wd->items, item);
455         _sizing_eval_palette(obj);
456      }
457    wd->config_load = EINA_TRUE;
458 }
459
460 static void
461 _rgb_to_hsl(void *data)
462 {
463    Widget_Data *wd = data;
464    double r, g, b;
465    double v, m, vm;
466    double r2, g2, b2;
467
468    r = wd->r;
469    g = wd->g;
470    b = wd->b;
471
472    r /= 255.0;
473    g /= 255.0;
474    b /= 255.0;
475
476    v = (r > g) ? r : g;
477    v = (v > b) ? v : b;
478
479    m = (r < g) ? r : g;
480    m = (m < b) ? m : b;
481
482    wd->h = 0.0;
483    wd->s = 0.0;
484    wd->l = 0.0;
485
486    wd->l = (m + v) / 2.0;
487
488    if (wd->l <= 0.0) return;
489
490    vm = v - m;
491    wd->s = vm;
492
493    if (wd->s > 0.0) wd->s /= (wd->l <= 0.5) ? (v + m) : (2.0 - v - m);
494    else return;
495
496    r2 = (v - r) / vm;
497    g2 = (v - g) / vm;
498    b2 = (v - b) / vm;
499
500    if (r == v) wd->h = (g == m ? 5.0 + b2 : 1.0 - g2);
501    else if (g == v) wd->h = (b == m ? 1.0 + r2 : 3.0 - b2);
502    else wd->h = (r == m ? 3.0 + g2 : 5.0 - r2);
503
504    wd->h *= 60.0;
505 }
506
507 static void
508 _hsl_to_rgb(void *data)
509 {
510    Widget_Data *wd = data;
511    double r = 0, g = 0, b = 0;
512    double _h, _s, _l;
513    int i = 0;
514    double sv, vsf, f, p, q, t, v;
515
516    _h = wd->h;
517    _s = wd->s;
518    _l = wd->l;
519
520    if (_s == 0.0) r = g = b = _l;
521    else
522      {
523         if (_h == 360.0) _h = 0.0;
524         _h /= 60.0;
525
526         v = (_l <= 0.5) ? (_l * (1.0 + _s)) : (_l + _s - (_l * _s));
527         p = _l + _l - v;
528
529         if (v) sv = (v - p) / v;
530         else sv = 0;
531
532         i = (int)_h;
533         f = _h - i;
534
535         vsf = v * sv * f;
536
537         t = p + vsf;
538         q = v - vsf;
539
540         switch (i)
541           {
542            case 0:
543               r = v;
544               g = t;
545               b = p;
546               break;
547            case 1:
548               r = q;
549               g = v;
550               b = p;
551               break;
552            case 2:
553               r = p;
554               g = v;
555               b = t;
556               break;
557            case 3:
558               r = p;
559               g = q;
560               b = v;
561               break;
562            case 4:
563               r = t;
564               g = p;
565               b = v;
566               break;
567            case 5:
568               r = v;
569               g = p;
570               b = q;
571               break;
572           }
573      }
574    i = (int)(r * 255.0);
575    f = (r * 255.0) - i;
576    wd->r = (f <= 0.5) ? i : (i + 1);
577
578    i = (int)(g * 255.0);
579    f = (g * 255.0) - i;
580    wd->g = (f <= 0.5) ? i : (i + 1);
581
582    i = (int)(b * 255.0);
583    f = (b * 255.0) - i;
584    wd->b = (f <= 0.5) ? i : (i + 1);
585 }
586
587 static void
588 _color_with_saturation(void *data)
589 {
590    Widget_Data *wd = data;
591
592    if (wd->er > 127)
593      wd->sr = 127 + (int)((double)(wd->er - 127) * wd->s);
594    else
595      wd->sr = 127 - (int)((double)(127 - wd->er) * wd->s);
596
597    if (wd->eg > 127)
598      wd->sg = 127 + (int)((double)(wd->eg - 127) * wd->s);
599    else
600      wd->sg = 127 - (int)((double)(127 - wd->eg) * wd->s);
601
602    if (wd->eb > 127)
603      wd->sb = 127 + (int)((double)(wd->eb - 127) * wd->s);
604    else
605      wd->sb = 127 - (int)((double)(127 - wd->eb) * wd->s);
606 }
607
608 static void
609 _color_with_lightness(void *data)
610 {
611    Widget_Data *wd = data;
612
613    if (wd->l > 0.5)
614      {
615         wd->lr = wd->er + (int)((double)(255 - wd->er) * (wd->l - 0.5) * 2.0);
616         wd->lg = wd->eg + (int)((double)(255 - wd->eg) * (wd->l - 0.5) * 2.0);
617         wd->lb = wd->eb + (int)((double)(255 - wd->eb) * (wd->l - 0.5) * 2.0);
618      }
619    else if (wd->l < 0.5)
620      {
621         wd->lr = (double)wd->er * wd->l * 2.0;
622         wd->lg = (double)wd->eg * wd->l * 2.0;
623         wd->lb = (double)wd->eb * wd->l * 2.0;
624      }
625    else
626      {
627         wd->lr = wd->er;
628         wd->lg = wd->eg;
629         wd->lb = wd->eb;
630      }
631 }
632
633 static void
634 _draw_rects(void *data, double x)
635 {
636    Colorselector_Data *cp = data;
637    Widget_Data *wd = elm_widget_data_get(cp->parent);
638    double one_six = 1.0 / 6.0;
639
640    switch (cp->color_type)
641      {
642       case HUE:
643          wd->h = 360.0 * x;
644
645          if (x < one_six)
646            {
647               wd->er = 255;
648               wd->eg = (255.0 * x * 6.0);
649               wd->eb = 0;
650            }
651          else if (x < 2 * one_six)
652            {
653               wd->er = 255 - (int)(255.0 * (x - one_six) * 6.0);
654               wd->eg = 255;
655               wd->eb = 0;
656            }
657          else if (x < 3 * one_six)
658            {
659               wd->er = 0;
660               wd->eg = 255;
661               wd->eb = (int)(255.0 * (x - (2.0 * one_six)) * 6.0);
662            }
663          else if (x < 4 * one_six)
664            {
665               wd->er = 0;
666               wd->eg = 255 - (int)(255.0 * (x - (3.0 * one_six)) * 6.0);
667               wd->eb = 255;
668            }
669          else if (x < 5 * one_six)
670            {
671               wd->er = 255.0 * (x - (4.0 * one_six)) * 6.0;
672               wd->eg = 0;
673               wd->eb = 255;
674            }
675          else
676            {
677               wd->er = 255;
678               wd->eg = 0;
679               wd->eb = 255 - (int)(255.0 * (x - (5.0 * one_six)) * 6.0);
680            }
681
682          evas_object_color_set(wd->cp[0]->arrow, wd->er, wd->eg, wd->eb, 255);
683          evas_object_color_set(wd->cp[1]->bg_rect, wd->er, wd->eg, wd->eb, 255);
684          evas_object_color_set(wd->cp[2]->bg_rect, wd->er, wd->eg, wd->eb, 255);
685          evas_object_color_set(wd->cp[3]->bar, wd->er, wd->eg, wd->eb, 255);
686
687          _color_with_saturation(wd);
688          evas_object_color_set(wd->cp[1]->arrow, wd->sr, wd->sg, wd->sb, 255);
689
690          _color_with_lightness(wd);
691          evas_object_color_set(wd->cp[2]->arrow, wd->lr, wd->lg, wd->lb, 255);
692
693          evas_object_color_set(wd->cp[3]->arrow,
694                                (wd->er * wd->a) / 255,
695                                (wd->eg * wd->a) / 255,
696                                (wd->eb * wd->a) / 255,
697                                wd->a);
698          break;
699       case SATURATION:
700          wd->s = 1.0 - x;
701          _color_with_saturation(wd);
702          evas_object_color_set(wd->cp[1]->arrow, wd->sr, wd->sg, wd->sb, 255);
703          break;
704       case LIGHTNESS:
705          wd->l = x;
706          _color_with_lightness(wd);
707          evas_object_color_set(wd->cp[2]->arrow, wd->lr, wd->lg, wd->lb, 255);
708          break;
709       case ALPHA:
710          wd->a = 255.0 * x;
711          evas_object_color_set(wd->cp[3]->arrow,
712                                (wd->er * wd->a) / 255,
713                                (wd->eg * wd->a) / 255,
714                                (wd->eb * wd->a) / 255,
715                                wd->a);
716          break;
717       default:
718          break;
719      }
720    _hsl_to_rgb(wd);
721 }
722
723 static void
724 _arrow_cb(void *data, Evas_Object *obj, const char *emission __UNUSED__,
725           const char *source __UNUSED__)
726 {
727    Colorselector_Data *cp = data;
728    double x, y;
729
730    edje_object_part_drag_value_get(obj, "elm.arrow", &x, &y);
731    _draw_rects(data, x);
732    evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
733 }
734
735 static void
736 _colorbar_cb(void *data, Evas *e, Evas_Object *obj __UNUSED__, void *event_info)
737 {
738    Colorselector_Data *cp = data;
739    Evas_Event_Mouse_Down *ev = event_info;
740    Evas_Coord x, y, w, h;
741    double arrow_x = 0, arrow_y;
742
743    evas_object_geometry_get(cp->bar, &x, &y, &w, &h);
744    edje_object_part_drag_value_get(cp->colorbar, "elm.arrow",
745                                    &arrow_x, &arrow_y);
746    if (w > 0) arrow_x = (double)(ev->canvas.x - x) / (double)w;
747    if (arrow_x > 1) arrow_x = 1;
748    if (arrow_x < 0) arrow_x = 0;
749    edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", arrow_x, arrow_y);
750    _draw_rects(data, arrow_x);
751    evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
752    evas_event_feed_mouse_cancel(e, 0, NULL);
753    evas_event_feed_mouse_down(e, 1, EVAS_BUTTON_NONE, 0, NULL);
754 }
755
756 static void
757 _left_button_clicked_cb(void *data, Evas_Object * obj __UNUSED__,
758                         void *event_info __UNUSED__)
759 {
760    Colorselector_Data *cp = data;
761    double x, y;
762
763    edje_object_signal_emit(cp->lbt, "elm,state,left,button,down",
764                            "left_button");
765    edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
766
767    switch(cp->color_type)
768      {
769       case HUE :
770          x -= 1.0 / HUE_STEP;
771          break;
772       case SATURATION :
773          x -= 1.0 / SAT_STEP;
774          break;
775       case LIGHTNESS :
776          x -= 1.0 / LIG_STEP;
777          break;
778       case ALPHA :
779          x -= 1.0 / ALP_STEP;
780          break;
781       default :
782          break;
783      }
784
785    if (x < 0.0) x = 0.0;
786
787    edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
788    _draw_rects(data, x);
789    evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
790 }
791
792 static void
793 _left_button_repeat_cb(void *data, Evas_Object * obj __UNUSED__,
794                        void *event_info __UNUSED__)
795 {
796    Colorselector_Data *cp = data;
797    double x, y;
798
799    edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
800    x -= 1.0 / BASE_STEP;
801    if (x < 0.0) x = 0.0;
802    edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
803    _draw_rects(data, x);
804    evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
805
806 }
807
808 static void
809 _right_button_clicked_cb(void *data, Evas_Object * obj __UNUSED__,
810                          void *event_info __UNUSED__)
811 {
812    Colorselector_Data *cp = data;
813    double x, y;
814
815    edje_object_signal_emit(cp->rbt, "elm,state,right,button,down",
816                            "right_button");
817    edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
818
819    switch(cp->color_type)
820      {
821       case HUE :
822          x += 1.0 / HUE_STEP;
823          break;
824       case SATURATION :
825          x += 1.0 / SAT_STEP;
826          break;
827       case LIGHTNESS :
828          x += 1.0 / LIG_STEP;
829          break;
830       case ALPHA :
831          x += 1.0 / ALP_STEP;
832          break;
833       default :
834          break;
835      }
836
837    if (x > 1.0) x = 1.0;
838
839    edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
840    _draw_rects(data, x);
841    evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
842 }
843
844 static void
845 _right_button_repeat_cb(void *data, Evas_Object * obj __UNUSED__,
846                         void *event_info __UNUSED__)
847 {
848    Colorselector_Data *cp = data;
849    double x, y;
850
851    edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
852    x += 1.0 / BASE_STEP;
853    if (x > 1.0) x = 1.0;
854    edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
855    _draw_rects(data, x);
856    evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
857 }
858
859 static void
860 _add_colorbar(Evas_Object *obj)
861 {
862    char colorbar_name[128];
863    char colorbar_s[128];
864    Widget_Data *wd;
865    Evas *e;
866    int i = 0;
867    char buf[1024];
868
869    wd = elm_widget_data_get(obj);
870    if (!wd) return;
871
872    e = evas_object_evas_get(obj);
873
874    for (i = 0; i < 4; i++)
875      {
876         wd->cp[i] = ELM_NEW(Colorselector_Data);
877         wd->cp[i]->parent = obj;
878         switch(i)
879           {
880            case 0 :
881               wd->cp[i]->color_type = HUE;
882               break;
883            case 1 :
884               wd->cp[i]->color_type = SATURATION;
885               break;
886            case 2 :
887               wd->cp[i]->color_type = LIGHTNESS;
888               break;
889            case 3 :
890               wd->cp[i]->color_type = ALPHA;
891               break;
892            default :
893               break;
894           }
895         /* load colorbar area */
896         wd->cp[i]->colorbar = edje_object_add(e);
897         _elm_theme_object_set(obj, wd->cp[i]->colorbar, "colorselector", "base",
898                               elm_widget_style_get(obj));
899         snprintf(colorbar_name, sizeof(colorbar_name), "colorbar_%d", i);
900         snprintf(colorbar_s, sizeof(colorbar_s), "elm.colorbar_%d", i);
901         edje_object_signal_callback_add(wd->cp[i]->colorbar, "drag", "*",
902                                         _arrow_cb, wd->cp[i]);
903         edje_object_part_swallow(wd->sel, colorbar_s, wd->cp[i]->colorbar);
904         elm_widget_sub_object_add(obj, wd->cp[i]->colorbar);
905
906         /* load colorbar image */
907         wd->cp[i]->bar = edje_object_add(e);
908         snprintf(buf, sizeof(buf), "%s/%s", colorbar_name,
909                  elm_widget_style_get(obj));
910         _elm_theme_object_set(obj, wd->cp[i]->bar, "colorselector", "image",
911                               buf);
912         edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar",
913                                  wd->cp[i]->bar);
914         elm_widget_sub_object_add(obj, wd->cp[i]->bar);
915
916         /* provide expanded touch area */
917         wd->cp[i]->touch_area = evas_object_rectangle_add(e);
918         evas_object_color_set(wd->cp[i]->touch_area, 0, 0, 0, 0);
919         edje_object_part_swallow(wd->cp[i]->colorbar, "elm.arrow_bg",
920                                  wd->cp[i]->touch_area);
921         evas_object_event_callback_add(wd->cp[i]->touch_area,
922                                        EVAS_CALLBACK_MOUSE_DOWN, _colorbar_cb,
923                                        wd->cp[i]);
924         elm_widget_sub_object_add(obj, wd->cp[i]->touch_area);
925
926         /* load background rectangle of the colorbar. used for
927            changing color of the opacity bar */
928         if ((i == 1) || (i == 2))
929           {
930              wd->cp[i]->bg_rect = evas_object_rectangle_add(e);
931              evas_object_color_set(wd->cp[i]->bg_rect, wd->er, wd->eg, wd->eb,
932                                    255);
933              edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar_bg",
934                                       wd->cp[i]->bg_rect);
935
936              elm_widget_sub_object_add(obj, wd->cp[i]->bg_rect);
937           }
938         if (i == 3)
939           {
940              wd->cp[i]->bg_rect = edje_object_add(e);
941              snprintf(buf, sizeof(buf), "%s/%s", colorbar_name,
942                       elm_widget_style_get(obj));
943              _elm_theme_object_set(obj, wd->cp[i]->bg_rect, "colorselector",
944                                    "bg_image", buf);
945              edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar_bg",
946                                       wd->cp[i]->bg_rect);
947              elm_widget_sub_object_add(obj, wd->cp[i]->bg_rect);
948              evas_object_color_set(wd->cp[i]->bar, wd->er, wd->eg, wd->eb, 255);
949           }
950         /* load arrow image, pointing the colorbar */
951         wd->cp[i]->arrow = edje_object_add(e);
952         _elm_theme_object_set(obj, wd->cp[i]->arrow, "colorselector", "arrow",
953                               elm_widget_style_get(obj));
954         edje_object_part_swallow(wd->cp[i]->colorbar, "elm.arrow_icon",
955                                  wd->cp[i]->arrow);
956         elm_widget_sub_object_add(obj, wd->cp[i]->arrow);
957         if (i == 2)
958           evas_object_color_set(wd->cp[i]->arrow, 0, 0, 0, 255);
959         else
960           evas_object_color_set(wd->cp[i]->arrow, wd->er, wd->eg, wd->eb, 255);
961
962         /* load left button */
963         wd->cp[i]->lbt = elm_button_add(obj);
964         snprintf(buf, sizeof(buf), "colorselector/left/%s",
965                  elm_widget_style_get(obj));
966         elm_object_style_set(wd->cp[i]->lbt, buf);
967         elm_widget_sub_object_add(obj, wd->cp[i]->lbt);
968         edje_object_part_swallow(wd->cp[i]->colorbar, "elm.l_button",
969                                  wd->cp[i]->lbt);
970         evas_object_smart_callback_add(wd->cp[i]->lbt, "clicked",
971                                        _left_button_clicked_cb, wd->cp[i]);
972         elm_button_autorepeat_set(wd->cp[i]->lbt, EINA_TRUE);
973         elm_button_autorepeat_initial_timeout_set(wd->cp[i]->lbt,
974                                                   _elm_config->longpress_timeout);
975         elm_button_autorepeat_gap_timeout_set(wd->cp[i]->lbt,
976                                               (1.0 / _elm_config->fps));
977         evas_object_smart_callback_add(wd->cp[i]->lbt, "repeated",
978                                        _left_button_repeat_cb, wd->cp[i]);
979
980         /* load right button */
981         wd->cp[i]->rbt = elm_button_add(obj);
982         snprintf(buf, sizeof(buf), "colorselector/right/%s",
983                  elm_widget_style_get(obj));
984         elm_object_style_set(wd->cp[i]->rbt, buf);
985         elm_widget_sub_object_add(obj, wd->cp[i]->rbt);
986         edje_object_part_swallow(wd->cp[i]->colorbar, "elm.r_button",
987                                  wd->cp[i]->rbt);
988         evas_object_smart_callback_add(wd->cp[i]->rbt, "clicked",
989                                        _right_button_clicked_cb, wd->cp[i]);
990         elm_button_autorepeat_set(wd->cp[i]->rbt, EINA_TRUE);
991         elm_button_autorepeat_initial_timeout_set(wd->cp[i]->rbt,
992                                                   _elm_config->longpress_timeout);
993         elm_button_autorepeat_gap_timeout_set(wd->cp[i]->rbt,
994                                               (1.0 / _elm_config->fps));
995         evas_object_smart_callback_add(wd->cp[i]->rbt, "repeated",
996                                        _right_button_repeat_cb, wd->cp[i]);
997      }
998 }
999
1000 static void
1001 _set_color(Evas_Object *obj, int r, int g, int b, int a)
1002 {
1003    Widget_Data *wd = elm_widget_data_get(obj);
1004    double x, y;
1005
1006    wd->r = r;
1007    wd->g = g;
1008    wd->b = b;
1009    wd->a = a;
1010
1011    _rgb_to_hsl(wd);
1012
1013    edje_object_part_drag_value_get(wd->cp[0]->colorbar, "elm.arrow", &x, &y);
1014    x = wd->h / 360.0;
1015    edje_object_part_drag_value_set(wd->cp[0]->colorbar, "elm.arrow", x, y);
1016    _draw_rects(wd->cp[0], x);
1017
1018    edje_object_part_drag_value_get(wd->cp[1]->colorbar, "elm.arrow", &x, &y);
1019    x = 1.0 - wd->s;
1020    edje_object_part_drag_value_set(wd->cp[1]->colorbar, "elm.arrow", x, y);
1021    _draw_rects(wd->cp[1], x);
1022
1023    edje_object_part_drag_value_get(wd->cp[2]->colorbar, "elm.arrow", &x, &y);
1024    x = wd->l;
1025    edje_object_part_drag_value_set(wd->cp[2]->colorbar, "elm.arrow", x, y);
1026    _draw_rects(wd->cp[2], x);
1027
1028    edje_object_part_drag_value_get(wd->cp[3]->colorbar, "elm.arrow", &x, &y);
1029    x = wd->a / 255.0;
1030    edje_object_part_drag_value_set(wd->cp[3]->colorbar, "elm.arrow", x, y);
1031    _draw_rects(wd->cp[3], x);
1032 }
1033
1034 EAPI Evas_Object *
1035 elm_colorselector_add(Evas_Object *parent)
1036 {
1037    Evas_Object *obj = NULL;
1038    Widget_Data *wd = NULL;
1039    Evas *e;
1040    const char *hpadstr, *vpadstr;
1041    unsigned int h_pad = DEFAULT_HOR_PAD;
1042    unsigned int v_pad = DEFAULT_VER_PAD;
1043
1044    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
1045
1046    ELM_SET_WIDTYPE(widtype, "colorselector");
1047    elm_widget_type_set(obj, "colorselector");
1048    elm_widget_sub_object_add(parent, obj);
1049    elm_widget_data_set(obj, wd);
1050    elm_widget_del_hook_set(obj, _del_hook);
1051    elm_widget_theme_hook_set(obj, _theme_hook);
1052    evas_object_smart_callbacks_descriptions_set(obj, _signals);
1053
1054    /* load background edj */
1055    wd->base = edje_object_add(e);
1056    _elm_theme_object_set(obj, wd->base, "colorselector", "palette", "default");
1057    elm_widget_resize_object_set(obj, wd->base);
1058    evas_object_event_callback_add(wd->base, EVAS_CALLBACK_RESIZE,
1059                                   _resize_cb, obj);
1060
1061    wd->box = elm_box_add(obj);
1062    elm_box_layout_set(wd->box, evas_object_box_layout_flow_horizontal,
1063                       NULL, NULL);
1064    elm_box_horizontal_set(wd->box, EINA_TRUE);
1065    evas_object_size_hint_weight_set(wd->box, EVAS_HINT_EXPAND,
1066                                     0);
1067    evas_object_size_hint_align_set(wd->box, EVAS_HINT_FILL, 0);
1068    elm_box_homogeneous_set(wd->box, EINA_TRUE);
1069    hpadstr = edje_object_data_get(wd->base, "horizontal_pad");
1070    if (hpadstr) h_pad = atoi(hpadstr);
1071    vpadstr = edje_object_data_get(wd->base, "vertical_pad");
1072    if (vpadstr) v_pad = atoi(vpadstr);
1073    elm_box_padding_set(wd->box, (Evas_Coord)(h_pad * elm_widget_scale_get(obj) * _elm_config->scale),
1074                        (Evas_Coord)(v_pad * elm_widget_scale_get(obj) *_elm_config->scale));
1075    elm_box_align_set(wd->box, 0.5, 0.5);
1076    elm_widget_sub_object_add(obj, wd->box);
1077    evas_object_show(wd->box);
1078    edje_object_part_swallow(wd->base, "palette", wd->box);
1079    wd->palette_name = eina_stringshare_add("default");
1080    _colors_load_apply(obj);
1081
1082    /* load background edj */
1083    wd->sel = edje_object_add(e);
1084    _elm_theme_object_set(obj, wd->sel, "colorselector", "bg", "default");
1085    edje_object_part_swallow(wd->base, "selector", wd->sel);
1086    elm_widget_sub_object_add(obj, wd->sel);
1087
1088    wd->mode = ELM_COLORSELECTOR_BOTH;
1089    wd->er = 255;
1090    wd->eg = 0;
1091    wd->eb = 0;
1092    wd->h = 0.0;
1093    wd->s = 1.0;
1094    wd->l = 0.0;
1095    wd->a = 255;
1096
1097    _hsl_to_rgb(wd);
1098    _add_colorbar(obj);
1099    _sizing_eval(obj);
1100
1101    return obj;
1102 }
1103
1104 EAPI void
1105 elm_colorselector_color_set(Evas_Object *obj, int r, int g, int b, int a)
1106 {
1107    ELM_CHECK_WIDTYPE(obj, widtype);
1108    _set_color(obj, r, g, b, a);
1109 }
1110
1111 EAPI void
1112 elm_colorselector_color_get(const Evas_Object *obj, int *r, int *g, int *b, int *a)
1113 {
1114    ELM_CHECK_WIDTYPE(obj, widtype);
1115    Widget_Data *wd = elm_widget_data_get(obj);
1116
1117    if (r) *r = wd->r;
1118    if (g) *g = wd->g;
1119    if (b) *b = wd->b;
1120    if (a) *a = wd->a;
1121 }
1122
1123 EAPI void
1124 elm_colorselector_mode_set(Evas_Object *obj, Elm_Colorselector_Mode mode)
1125 {
1126    ELM_CHECK_WIDTYPE(obj, widtype);
1127    Widget_Data *wd = elm_widget_data_get(obj);
1128    if (!wd) return;
1129    if (wd->mode == mode) return;
1130    wd->mode = mode;
1131    switch (wd->mode)
1132      {
1133         case ELM_COLORSELECTOR_PALETTE:
1134            if (edje_object_part_swallow_get(wd->base, "selector"))
1135              {
1136                 edje_object_part_unswallow(wd->base, wd->sel);
1137                 evas_object_hide(wd->sel);
1138              }
1139            if (!edje_object_part_swallow_get(wd->base, "palette"))
1140              {
1141                 edje_object_part_swallow(wd->base, "palette", wd->box);
1142                 evas_object_show(wd->box);
1143              }
1144            break;
1145         case ELM_COLORSELECTOR_COMPONENTS:
1146            if (edje_object_part_swallow_get(wd->base, "palette"))
1147              {
1148                 edje_object_part_unswallow(wd->base, wd->box);
1149                 evas_object_hide(wd->box);
1150              }
1151            if (!edje_object_part_swallow_get(wd->base, "selector"))
1152              {
1153                 edje_object_part_swallow(wd->base, "selector", wd->sel);
1154                 evas_object_show(wd->sel);
1155              }
1156            break;
1157         case ELM_COLORSELECTOR_BOTH:
1158            if (!edje_object_part_swallow_get(wd->base, "palette"))
1159              {
1160                 edje_object_part_swallow(wd->base, "palette", wd->box);
1161                 evas_object_show(wd->box);
1162              }
1163            if (!edje_object_part_swallow_get(wd->base, "selector"))
1164              {
1165                 edje_object_part_swallow(wd->base, "selector", wd->sel);
1166                 evas_object_show(wd->sel);
1167              }
1168            break;
1169         default:
1170            return;
1171      }
1172    _sizing_eval(obj);
1173 }
1174
1175 EAPI Elm_Colorselector_Mode
1176 elm_colorselector_mode_get(const Evas_Object *obj)
1177 {
1178    ELM_CHECK_WIDTYPE(obj, widtype) ELM_COLORSELECTOR_BOTH;
1179    Widget_Data *wd = elm_widget_data_get(obj);
1180    if (!wd) return ELM_COLORSELECTOR_BOTH;
1181    return wd->mode;
1182 }
1183
1184 EAPI void
1185 elm_colorselector_palette_item_color_get(const Elm_Object_Item *it, int *r __UNUSED__, int *g __UNUSED__, int *b __UNUSED__, int*a __UNUSED__)
1186 {
1187    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
1188    Elm_Color_Item *item;
1189    item = (Elm_Color_Item *) it;
1190    if (item)
1191      {
1192         if(r) *r = item->color->r;
1193         if(g) *g = item->color->g;
1194         if(b) *b = item->color->b;
1195         if(a) *a = item->color->a;
1196      }
1197 }
1198
1199 EAPI void
1200 elm_colorselector_palette_item_color_set(Elm_Object_Item *it, int r __UNUSED__, int g __UNUSED__, int b __UNUSED__, int a __UNUSED__)
1201 {
1202    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
1203    Elm_Color_Item *item;
1204    item = (Elm_Color_Item *) it;
1205    item->color->r = r;
1206    item->color->g = g;
1207    item->color->b = b;
1208    item->color->a = a;
1209    evas_object_color_set(item->color_obj, item->color->r, item->color->g, item->color->b, item->color->a);
1210    _colors_save(WIDGET(it));
1211 }
1212
1213 EAPI Elm_Object_Item *
1214 elm_colorselector_palette_color_add(Evas_Object *obj, int r, int g, int b, int a)
1215 {
1216    Elm_Color_Item *item;
1217    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1218    Widget_Data *wd = elm_widget_data_get(obj);
1219    if (!wd) return NULL;
1220    if (wd->config_load)
1221      {
1222         _colors_remove(obj);
1223         wd->config_load = EINA_FALSE;
1224      }
1225    item = _item_new(obj);
1226    if (!item) return NULL;
1227    item->color = ELM_NEW(Elm_Color_RGBA);
1228    if (!item->color) return NULL;
1229    item->color->r = r;
1230    item->color->g = g;
1231    item->color->b = b;
1232    item->color->a = a;
1233    _elm_config_color_set(wd->palette_name, item->color->r, item->color->g,
1234                          item->color->b, item->color->a);
1235    elm_box_pack_end(wd->box, VIEW(item));
1236    evas_object_color_set(item->color_obj, item->color->r, item->color->g,
1237                          item->color->b, item->color->a);
1238    wd->items = eina_list_append(wd->items, item);
1239    _sizing_eval(obj);
1240    return (Elm_Object_Item *) item;
1241 }
1242
1243 EAPI void
1244 elm_colorselector_palette_clear(Evas_Object *obj)
1245 {
1246    ELM_CHECK_WIDTYPE(obj, widtype);
1247    Widget_Data *wd = elm_widget_data_get(obj);
1248    if (!wd) return;
1249    _colors_remove(obj);
1250 }
1251
1252 EAPI void
1253 elm_colorselector_palette_name_set(Evas_Object *obj, const char *palette_name)
1254 {
1255    ELM_CHECK_WIDTYPE(obj, widtype);
1256    Widget_Data *wd = elm_widget_data_get(obj);
1257    if (!wd) return;
1258    if (!strcmp(wd->palette_name, palette_name)) return;
1259    if (palette_name)
1260      {
1261         _colors_remove(obj);
1262         eina_stringshare_replace(&wd->palette_name, palette_name);
1263         _colors_load_apply(obj);
1264      }
1265 }
1266
1267 EAPI const char*
1268 elm_colorselector_palette_name_get(const Evas_Object *obj)
1269 {
1270    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1271    Widget_Data *wd = elm_widget_data_get(obj);
1272    if (!wd) return NULL;
1273    return wd->palette_name;
1274 }