1 #include <Elementary.h>
4 #define BASE_STEP 360.0
10 typedef enum _Button_State
17 typedef enum _Color_Type
25 typedef struct _Colorselector_Data Colorselector_Data;
26 struct _Colorselector_Data
29 Evas_Object *colorbar;
35 Evas_Object *touch_area;
36 Color_Type color_type;
37 Button_State button_state;
40 typedef struct _Widget_Data Widget_Data;
44 Colorselector_Data *cp[4];
45 Evas_Coord _x, _y, _w, _h;
51 Ecore_Timer *lp_timer;
52 Ecore_Timer *mv_timer;
55 static const char *widtype = NULL;
57 static void _del_hook(Evas_Object *obj);
58 static void _theme_hook(Evas_Object *obj);
59 static void _sizing_eval(Evas_Object *obj);
60 static void _rgb_to_hsl(void *data);
61 static void _hsl_to_rgb(void *data);
62 static void _color_with_saturation(void *data);
63 static void _color_with_lightness(void *data);
64 static void _draw_rects(void *data, double x);
65 static void _arrow_cb(void *data, Evas_Object *obj, const char *emission, const char *source);
66 static void _colorbar_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
67 static Eina_Bool _mv_timer(void *data);
68 static Eina_Bool _long_press_timer(void *data);
69 static void _left_button_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
70 static void _right_button_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
71 static void _left_button_up_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
72 static void _right_button_up_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
73 static void _add_colorbar(Evas_Object *obj);
74 static void _set_color(Evas_Object *obj, int r, int g, int b, int a);
76 static const char SIG_CHANGED[] = "changed";
78 static const Evas_Smart_Cb_Description _signals[] =
85 _del_hook(Evas_Object *obj)
87 Widget_Data *wd = elm_widget_data_get(obj);
91 if (wd->lp_timer) ecore_timer_del(wd->lp_timer);
92 if (wd->mv_timer) ecore_timer_del(wd->mv_timer);
93 for (i = 0; i < 4; i++) free(wd->cp[i]);
98 _theme_hook(Evas_Object *obj)
100 Widget_Data *wd = elm_widget_data_get(obj);
103 if ((!wd) || (!wd->base)) return;
105 _elm_theme_object_set(obj, wd->base, "colorselector", "bg",
106 elm_widget_style_get(obj));
108 for (i = 0; i < 4; i++)
110 evas_object_del(wd->cp[i]->colorbar);
111 wd->cp[i]->colorbar = NULL;
112 evas_object_del(wd->cp[i]->bar);
113 wd->cp[i]->bar = NULL;
114 evas_object_del(wd->cp[i]->lbt);
115 wd->cp[i]->lbt = NULL;
116 evas_object_del(wd->cp[i]->rbt);
117 wd->cp[i]->rbt = NULL;
120 evas_object_del(wd->cp[i]->bg_rect);
121 wd->cp[i]->bg_rect = NULL;
123 evas_object_del(wd->cp[i]->arrow);
124 wd->cp[i]->arrow = NULL;
125 evas_object_del(wd->cp[i]->touch_area);
126 wd->cp[i]->touch_area = NULL;
130 elm_colorselector_color_set(obj, wd->r, wd->g, wd->b, wd->a);
135 _colorselector_set_size_hints(Evas_Object *obj, int timesw, int timesh)
137 Evas_Coord minw = -1, minh = -1;
139 elm_coords_finger_size_adjust(timesw, &minw, timesh, &minh);
140 edje_object_size_min_restricted_calc(obj, &minw, &minh,
142 evas_object_size_hint_min_set(obj, minw, minh);
143 evas_object_size_hint_max_set(obj, -1, -1);
147 _sizing_eval(Evas_Object *obj)
149 Widget_Data *wd = elm_widget_data_get(obj);
150 Evas_Coord minw = -1, minh = -1;
154 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
155 for (i = 0; i < 4; i++)
157 if (wd->cp[i]->bg_rect)
158 _colorselector_set_size_hints(wd->cp[i]->bg_rect, 1, 1);
159 _colorselector_set_size_hints(wd->cp[i]->bar, 1, 1);
160 _colorselector_set_size_hints(wd->cp[i]->rbt, 1, 1);
161 _colorselector_set_size_hints(wd->cp[i]->lbt, 1, 1);
163 _colorselector_set_size_hints(wd->cp[i]->colorbar, 4, 1);
166 elm_coords_finger_size_adjust(4, &minw, 4, &minh);
167 edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
168 evas_object_size_hint_min_set(obj, minw, minh);
169 evas_object_size_hint_max_set(obj, -1, -1);
173 _rgb_to_hsl(void *data)
175 Widget_Data *wd = data;
198 wd->l = (m + v) / 2.0;
200 if (wd->l <= 0.0) return;
205 if (wd->s > 0.0) wd->s /= (wd->l <= 0.5) ? (v + m) : (2.0 - v - m);
212 if (r == v) wd->h = (g == m ? 5.0 + b2 : 1.0 - g2);
213 else if (g == v) wd->h = (b == m ? 1.0 + r2 : 3.0 - b2);
214 else wd->h = (r == m ? 3.0 + g2 : 5.0 - r2);
220 _hsl_to_rgb(void *data)
222 Widget_Data *wd = data;
223 double r = 0, g = 0, b = 0;
226 double sv, vsf, f, p, q, t, v;
232 if (_s == 0.0) r = g = b = _l;
235 if (_h == 360.0) _h = 0.0;
238 v = (_l <= 0.5) ? (_l * (1.0 + _s)) : (_l + _s - (_l * _s));
241 if (v) sv = (v - p) / v;
286 i = (int)(r * 255.0);
288 wd->r = (f <= 0.5) ? i : (i + 1);
290 i = (int)(g * 255.0);
292 wd->g = (f <= 0.5) ? i : (i + 1);
294 i = (int)(b * 255.0);
296 wd->b = (f <= 0.5) ? i : (i + 1);
300 _color_with_saturation(void *data)
302 Widget_Data *wd = data;
305 wd->sr = 127 + (int)((double)(wd->er - 127) * wd->s);
307 wd->sr = 127 - (int)((double)(127 - wd->er) * wd->s);
310 wd->sg = 127 + (int)((double)(wd->eg - 127) * wd->s);
312 wd->sg = 127 - (int)((double)(127 - wd->eg) * wd->s);
315 wd->sb = 127 + (int)((double)(wd->eb - 127) * wd->s);
317 wd->sb = 127 - (int)((double)(127 - wd->eb) * wd->s);
321 _color_with_lightness(void *data)
323 Widget_Data *wd = data;
327 wd->lr = wd->er + (int)((double)(255 - wd->er) * (wd->l - 0.5) * 2.0);
328 wd->lg = wd->eg + (int)((double)(255 - wd->eg) * (wd->l - 0.5) * 2.0);
329 wd->lb = wd->eb + (int)((double)(255 - wd->eb) * (wd->l - 0.5) * 2.0);
331 else if (wd->l < 0.5)
333 wd->lr = (double)wd->er * wd->l * 2.0;
334 wd->lg = (double)wd->eg * wd->l * 2.0;
335 wd->lb = (double)wd->eb * wd->l * 2.0;
346 _draw_rects(void *data, double x)
348 Colorselector_Data *cp = data;
349 Widget_Data *wd = elm_widget_data_get(cp->parent);
350 double one_six = 1.0 / 6.0;
352 switch (cp->color_type)
360 wd->eg = (255.0 * x * 6.0);
363 else if (x < 2 * one_six)
365 wd->er = 255 - (int)(255.0 * (x - one_six) * 6.0);
369 else if (x < 3 * one_six)
373 wd->eb = (int)(255.0 * (x - (2.0 * one_six)) * 6.0);
375 else if (x < 4 * one_six)
378 wd->eg = 255 - (int)(255.0 * (x - (3.0 * one_six)) * 6.0);
381 else if (x < 5 * one_six)
383 wd->er = 255.0 * (x - (4.0 * one_six)) * 6.0;
391 wd->eb = 255 - (int)(255.0 * (x - (5.0 * one_six)) * 6.0);
394 evas_object_color_set(wd->cp[0]->arrow, wd->er, wd->eg, wd->eb, 255);
395 evas_object_color_set(wd->cp[1]->bg_rect, wd->er, wd->eg, wd->eb, 255);
396 evas_object_color_set(wd->cp[2]->bg_rect, wd->er, wd->eg, wd->eb, 255);
397 evas_object_color_set(wd->cp[3]->bar, wd->er, wd->eg, wd->eb, 255);
399 _color_with_saturation(wd);
400 evas_object_color_set(wd->cp[1]->arrow, wd->sr, wd->sg, wd->sb, 255);
402 _color_with_lightness(wd);
403 evas_object_color_set(wd->cp[2]->arrow, wd->lr, wd->lg, wd->lb, 255);
405 evas_object_color_set(wd->cp[3]->arrow,
406 (wd->er * wd->a) / 255,
407 (wd->eg * wd->a) / 255,
408 (wd->eb * wd->a) / 255,
413 _color_with_saturation(wd);
414 evas_object_color_set(wd->cp[1]->arrow, wd->sr, wd->sg, wd->sb, 255);
418 _color_with_lightness(wd);
419 evas_object_color_set(wd->cp[2]->arrow, wd->lr, wd->lg, wd->lb, 255);
423 evas_object_color_set(wd->cp[3]->arrow, wd->er, wd->eg, wd->eb, wd->a);
432 _arrow_cb(void *data, Evas_Object *obj, const char *emission __UNUSED__, const char *source __UNUSED__)
434 Colorselector_Data *cp = data;
437 edje_object_part_drag_value_get(obj, "elm.arrow", &x, &y);
438 _draw_rects(data, x);
439 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
443 _colorbar_cb(void *data, Evas *e, Evas_Object *obj __UNUSED__, void *event_info)
445 Colorselector_Data *cp = data;
446 Evas_Event_Mouse_Down *ev = event_info;
447 Evas_Coord x, y, w, h;
448 double arrow_x = 0, arrow_y;
450 evas_object_geometry_get(cp->bar, &x, &y, &w, &h);
451 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow",
453 if (w > 0) arrow_x = (double)(ev->canvas.x - x) / (double)w;
454 if (arrow_x > 1) arrow_x = 1;
455 if (arrow_x < 0) arrow_x = 0;
456 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", arrow_x, arrow_y);
457 _draw_rects(data, arrow_x);
458 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
459 evas_event_feed_mouse_cancel(e, 0, NULL);
460 evas_event_feed_mouse_down(e, 1, EVAS_BUTTON_NONE, 0, NULL);
464 _mv_timer(void *data)
466 Colorselector_Data *cp = data;
467 Widget_Data *wd = elm_widget_data_get(cp->parent);
470 if (!wd) return EINA_FALSE;
472 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
473 if (cp->button_state == L_BUTTON_PRESSED)
475 x -= 1.0 / BASE_STEP;
476 if (x < 0.0) x = 0.0;
477 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
478 _draw_rects(data, x);
479 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
482 else if (cp->button_state == R_BUTTON_PRESSED)
484 x += 1.0 / BASE_STEP;
485 if (x > 1.0) x = 1.0;
486 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
487 _draw_rects(data, x);
488 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
496 _long_press_timer(void *data)
498 Colorselector_Data *cp = data;
499 Widget_Data *wd = elm_widget_data_get(cp->parent);
501 if (wd->mv_timer) ecore_timer_del(wd->mv_timer);
502 wd->mv_timer = ecore_timer_add(0.01, _mv_timer, cp);
509 _left_button_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
511 Colorselector_Data *cp = data;
512 Widget_Data *wd = elm_widget_data_get(cp->parent);
515 edje_object_signal_emit(cp->lbt, "elm,state,left,button,down",
517 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
519 switch(cp->color_type)
537 if (x < 0.0) x = 0.0;
539 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
540 _draw_rects(data, x);
541 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
542 cp->button_state = L_BUTTON_PRESSED;
543 if (wd->lp_timer) ecore_timer_del(wd->lp_timer);
544 wd->lp_timer = ecore_timer_add(_elm_config->longpress_timeout, _long_press_timer, cp);
548 _right_button_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
550 Colorselector_Data *cp = data;
551 Widget_Data *wd = elm_widget_data_get(cp->parent);
554 edje_object_signal_emit(cp->rbt, "elm,state,right,button,down",
556 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
558 switch(cp->color_type)
576 if (x > 1.0) x = 1.0;
578 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
579 _draw_rects(data, x);
580 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
581 cp->button_state = R_BUTTON_PRESSED;
582 wd->lp_timer = ecore_timer_add(_elm_config->longpress_timeout, _long_press_timer, cp);
586 _left_button_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
588 Colorselector_Data *cp = data;
589 Widget_Data *wd = elm_widget_data_get(cp->parent);
593 ecore_timer_del(wd->lp_timer);
598 ecore_timer_del(wd->mv_timer);
602 cp->button_state = BUTTON_RELEASED;
603 edje_object_signal_emit(cp->lbt, "elm,state,left,button,up", "left_button");
607 _right_button_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
609 Colorselector_Data *cp = data;
610 Widget_Data *wd = elm_widget_data_get(cp->parent);
614 ecore_timer_del(wd->lp_timer);
619 ecore_timer_del(wd->mv_timer);
623 cp->button_state = BUTTON_RELEASED;
624 edje_object_signal_emit(cp->rbt, "elm,state,right,button,up",
629 _add_colorbar(Evas_Object *obj)
631 char colorbar_name[128];
632 char colorbar_s[128];
637 wd = elm_widget_data_get(obj);
640 e = evas_object_evas_get(obj);
642 for (i = 0; i < 4; i++)
644 wd->cp[i] = ELM_NEW(Colorselector_Data);
645 wd->cp[i]->parent = obj;
649 wd->cp[i]->color_type = HUE;
652 wd->cp[i]->color_type = SATURATION;
655 wd->cp[i]->color_type = LIGHTNESS;
658 wd->cp[i]->color_type = ALPHA;
663 /* load colorbar area */
664 wd->cp[i]->colorbar = edje_object_add(e);
665 _elm_theme_object_set(obj, wd->cp[i]->colorbar, "colorselector", "base",
667 snprintf(colorbar_name, sizeof(colorbar_name), "colorbar_%d", i);
668 snprintf(colorbar_s, sizeof(colorbar_s), "elm.colorbar_%d", i);
669 edje_object_signal_callback_add(wd->cp[i]->colorbar, "drag", "*",
670 _arrow_cb, wd->cp[i]);
671 edje_object_part_swallow(wd->base, colorbar_s, wd->cp[i]->colorbar);
672 elm_widget_sub_object_add(obj, wd->cp[i]->colorbar);
674 /* load colorbar image */
675 wd->cp[i]->bar = edje_object_add(e);
676 _elm_theme_object_set(obj, wd->cp[i]->bar, "colorselector", "image",
678 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar",
680 elm_widget_sub_object_add(obj, wd->cp[i]->bar);
682 /* provide expanded touch area */
683 wd->cp[i]->touch_area = evas_object_rectangle_add(e);
684 evas_object_color_set(wd->cp[i]->touch_area, 0, 0, 0, 0);
685 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.arrow_bg",
686 wd->cp[i]->touch_area);
687 evas_object_event_callback_add(wd->cp[i]->touch_area,
688 EVAS_CALLBACK_MOUSE_DOWN, _colorbar_cb,
690 elm_widget_sub_object_add(obj, wd->cp[i]->touch_area);
692 /* load background rectangle of the colorbar. used for
693 changing color of the opacity bar */
694 if ((i == 1) || (i == 2))
696 wd->cp[i]->bg_rect = evas_object_rectangle_add(e);
697 evas_object_color_set(wd->cp[i]->bg_rect, wd->er, wd->eg, wd->eb,
699 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar_bg",
702 elm_widget_sub_object_add(obj, wd->cp[i]->bg_rect);
706 wd->cp[i]->bg_rect = edje_object_add(e);
707 _elm_theme_object_set(obj, wd->cp[i]->bg_rect, "colorselector",
708 "bg_image", colorbar_name);
709 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar_bg",
711 elm_widget_sub_object_add(obj, wd->cp[i]->bg_rect);
712 evas_object_color_set(wd->cp[i]->bar, wd->er, wd->eg, wd->eb, 255);
714 /* load arrow image, pointing the colorbar */
715 wd->cp[i]->arrow = edje_object_add(e);
716 _elm_theme_object_set(obj, wd->cp[i]->arrow, "colorselector", "image",
718 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.arrow_icon",
720 elm_widget_sub_object_add(obj, wd->cp[i]->arrow);
722 evas_object_color_set(wd->cp[i]->arrow, 0, 0, 0, 255);
724 evas_object_color_set(wd->cp[i]->arrow, wd->er, wd->eg, wd->eb, 255);
726 /* load left button */
727 wd->cp[i]->lbt = edje_object_add(e);
728 _elm_theme_object_set(obj, wd->cp[i]->lbt, "colorselector", "button",
730 evas_object_event_callback_add(wd->cp[i]->lbt, EVAS_CALLBACK_MOUSE_DOWN,
731 _left_button_down_cb, wd->cp[i]);
732 evas_object_event_callback_add(wd->cp[i]->lbt, EVAS_CALLBACK_MOUSE_UP,
733 _left_button_up_cb, wd->cp[i]);
734 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.l_button",
736 elm_widget_sub_object_add(obj, wd->cp[i]->lbt);
738 /* load right button */
739 wd->cp[i]->rbt = edje_object_add(e);
740 _elm_theme_object_set(obj, wd->cp[i]->rbt, "colorselector", "button",
742 evas_object_event_callback_add(wd->cp[i]->rbt, EVAS_CALLBACK_MOUSE_DOWN,
743 _right_button_down_cb, wd->cp[i]);
744 evas_object_event_callback_add(wd->cp[i]->rbt, EVAS_CALLBACK_MOUSE_UP,
745 _right_button_up_cb, wd->cp[i]);
746 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.r_button",
748 elm_widget_sub_object_add(obj, wd->cp[i]->rbt);
753 _set_color(Evas_Object *obj, int r, int g, int b, int a)
755 Widget_Data *wd = elm_widget_data_get(obj);
765 edje_object_part_drag_value_get(wd->cp[0]->colorbar, "elm.arrow", &x, &y);
767 edje_object_part_drag_value_set(wd->cp[0]->colorbar, "elm.arrow", x, y);
768 _draw_rects(wd->cp[0], x);
770 edje_object_part_drag_value_get(wd->cp[1]->colorbar, "elm.arrow", &x, &y);
772 edje_object_part_drag_value_set(wd->cp[1]->colorbar, "elm.arrow", x, y);
773 _draw_rects(wd->cp[1], x);
775 edje_object_part_drag_value_get(wd->cp[2]->colorbar, "elm.arrow", &x, &y);
777 edje_object_part_drag_value_set(wd->cp[2]->colorbar, "elm.arrow", x, y);
778 _draw_rects(wd->cp[2], x);
780 edje_object_part_drag_value_get(wd->cp[3]->colorbar, "elm.arrow", &x, &y);
782 edje_object_part_drag_value_set(wd->cp[3]->colorbar, "elm.arrow", x, y);
783 _draw_rects(wd->cp[3], x);
787 elm_colorselector_add(Evas_Object *parent)
789 Evas_Object *obj = NULL;
790 Widget_Data *wd = NULL;
793 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
795 ELM_SET_WIDTYPE(widtype, "colorselector");
796 elm_widget_type_set(obj, "colorselector");
797 elm_widget_sub_object_add(parent, obj);
798 elm_widget_data_set(obj, wd);
799 elm_widget_del_hook_set(obj, _del_hook);
800 elm_widget_theme_hook_set(obj, _theme_hook);
802 /* load background edj */
803 wd->base = edje_object_add(e);
804 _elm_theme_object_set(obj, wd->base, "colorselector", "bg", "default");
805 elm_widget_resize_object_set(obj, wd->base);
819 evas_object_smart_callbacks_descriptions_set(obj, _signals);
824 elm_colorselector_color_set(Evas_Object *obj, int r, int g, int b, int a)
826 ELM_CHECK_WIDTYPE(obj, widtype);
827 _set_color(obj, r, g, b, a);
831 elm_colorselector_color_get(const Evas_Object *obj, int *r, int *g, int *b, int*a)
833 Widget_Data *wd = elm_widget_data_get(obj);
834 ELM_CHECK_WIDTYPE(obj, widtype);