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;
134 _colorselector_set_size_hints(Evas_Object *obj, int timesw, int timesh)
136 Evas_Coord minw = -1, minh = -1;
138 elm_coords_finger_size_adjust(timesw, &minw, timesh, &minh);
139 edje_object_size_min_restricted_calc(obj, &minw, &minh,
141 evas_object_size_hint_min_set(obj, minw, minh);
142 evas_object_size_hint_max_set(obj, -1, -1);
146 _sizing_eval(Evas_Object *obj)
148 Widget_Data *wd = elm_widget_data_get(obj);
149 Evas_Coord minw = -1, minh = -1;
153 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
154 for (i = 0; i < 4; i++)
156 if (wd->cp[i]->bg_rect)
157 _colorselector_set_size_hints(wd->cp[i]->bg_rect, 1, 1);
158 _colorselector_set_size_hints(wd->cp[i]->bar, 1, 1);
159 _colorselector_set_size_hints(wd->cp[i]->rbt, 1, 1);
160 _colorselector_set_size_hints(wd->cp[i]->lbt, 1, 1);
162 _colorselector_set_size_hints(wd->cp[i]->colorbar, 4, 1);
165 elm_coords_finger_size_adjust(4, &minw, 4, &minh);
166 edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
167 evas_object_size_hint_min_set(obj, minw, minh);
168 evas_object_size_hint_max_set(obj, -1, -1);
172 _rgb_to_hsl(void *data)
174 Widget_Data *wd = data;
197 wd->l = (m + v) / 2.0;
199 if (wd->l <= 0.0) return;
204 if (wd->s > 0.0) wd->s /= (wd->l <= 0.5) ? (v + m) : (2.0 - v - m);
211 if (r == v) wd->h = (g == m ? 5.0 + b2 : 1.0 - g2);
212 else if (g == v) wd->h = (b == m ? 1.0 + r2 : 3.0 - b2);
213 else wd->h = (r == m ? 3.0 + g2 : 5.0 - r2);
219 _hsl_to_rgb(void *data)
221 Widget_Data *wd = data;
222 double r = 0, g = 0, b = 0;
225 double sv, vsf, f, p, q, t, v;
231 if (_s == 0.0) r = g = b = _l;
234 if (_h == 360.0) _h = 0.0;
237 v = (_l <= 0.5) ? (_l * (1.0 + _s)) : (_l + _s - (_l * _s));
240 if (v) sv = (v - p) / v;
285 i = (int)(r * 255.0);
287 wd->r = (f <= 0.5) ? i : (i + 1);
289 i = (int)(g * 255.0);
291 wd->g = (f <= 0.5) ? i : (i + 1);
293 i = (int)(b * 255.0);
295 wd->b = (f <= 0.5) ? i : (i + 1);
299 _color_with_saturation(void *data)
301 Widget_Data *wd = data;
304 wd->sr = 127 + (int)((double)(wd->er - 127) * wd->s);
306 wd->sr = 127 - (int)((double)(127 - wd->er) * wd->s);
309 wd->sg = 127 + (int)((double)(wd->eg - 127) * wd->s);
311 wd->sg = 127 - (int)((double)(127 - wd->eg) * wd->s);
314 wd->sb = 127 + (int)((double)(wd->eb - 127) * wd->s);
316 wd->sb = 127 - (int)((double)(127 - wd->eb) * wd->s);
320 _color_with_lightness(void *data)
322 Widget_Data *wd = data;
326 wd->lr = wd->er + (int)((double)(255 - wd->er) * (wd->l - 0.5) * 2.0);
327 wd->lg = wd->eg + (int)((double)(255 - wd->eg) * (wd->l - 0.5) * 2.0);
328 wd->lb = wd->eb + (int)((double)(255 - wd->eb) * (wd->l - 0.5) * 2.0);
330 else if (wd->l < 0.5)
332 wd->lr = (double)wd->er * wd->l * 2.0;
333 wd->lg = (double)wd->eg * wd->l * 2.0;
334 wd->lb = (double)wd->eb * wd->l * 2.0;
345 _draw_rects(void *data, double x)
347 Colorselector_Data *cp = data;
348 Widget_Data *wd = elm_widget_data_get(cp->parent);
349 double one_six = 1.0 / 6.0;
351 switch (cp->color_type)
359 wd->eg = (255.0 * x * 6.0);
362 else if (x < 2 * one_six)
364 wd->er = 255 - (int)(255.0 * (x - one_six) * 6.0);
368 else if (x < 3 * one_six)
372 wd->eb = (int)(255.0 * (x - (2.0 * one_six)) * 6.0);
374 else if (x < 4 * one_six)
377 wd->eg = 255 - (int)(255.0 * (x - (3.0 * one_six)) * 6.0);
380 else if (x < 5 * one_six)
382 wd->er = 255.0 * (x - (4.0 * one_six)) * 6.0;
390 wd->eb = 255 - (int)(255.0 * (x - (5.0 * one_six)) * 6.0);
393 evas_object_color_set(wd->cp[0]->arrow, wd->er, wd->eg, wd->eb, 255);
394 evas_object_color_set(wd->cp[1]->bg_rect, wd->er, wd->eg, wd->eb, 255);
395 evas_object_color_set(wd->cp[2]->bg_rect, wd->er, wd->eg, wd->eb, 255);
396 evas_object_color_set(wd->cp[3]->bar, wd->er, wd->eg, wd->eb, 255);
398 _color_with_saturation(wd);
399 evas_object_color_set(wd->cp[1]->arrow, wd->sr, wd->sg, wd->sb, 255);
401 _color_with_lightness(wd);
402 evas_object_color_set(wd->cp[2]->arrow, wd->lr, wd->lg, wd->lb, 255);
404 evas_object_color_set(wd->cp[3]->arrow,
405 (wd->er * wd->a) / 255,
406 (wd->eg * wd->a) / 255,
407 (wd->eb * wd->a) / 255,
412 _color_with_saturation(wd);
413 evas_object_color_set(wd->cp[1]->arrow, wd->sr, wd->sg, wd->sb, 255);
417 _color_with_lightness(wd);
418 evas_object_color_set(wd->cp[2]->arrow, wd->lr, wd->lg, wd->lb, 255);
422 evas_object_color_set(wd->cp[3]->arrow, wd->er, wd->eg, wd->eb, wd->a);
431 _arrow_cb(void *data, Evas_Object *obj, const char *emission __UNUSED__, const char *source __UNUSED__)
433 Colorselector_Data *cp = data;
436 edje_object_part_drag_value_get(obj, "elm.arrow", &x, &y);
437 _draw_rects(data, x);
438 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
442 _colorbar_cb(void *data, Evas *e, Evas_Object *obj __UNUSED__, void *event_info)
444 Colorselector_Data *cp = data;
445 Evas_Event_Mouse_Down *ev = event_info;
446 Evas_Coord x, y, w, h;
447 double arrow_x = 0, arrow_y;
449 evas_object_geometry_get(cp->bar, &x, &y, &w, &h);
450 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow",
452 if (w > 0) arrow_x = (double)(ev->canvas.x - x) / (double)w;
453 if (arrow_x > 1) arrow_x = 1;
454 if (arrow_x < 0) arrow_x = 0;
455 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", arrow_x, arrow_y);
456 _draw_rects(data, arrow_x);
457 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
458 evas_event_feed_mouse_cancel(e, 0, NULL);
459 evas_event_feed_mouse_down(e, 1, EVAS_BUTTON_NONE, 0, NULL);
463 _mv_timer(void *data)
465 Colorselector_Data *cp = data;
466 Widget_Data *wd = elm_widget_data_get(cp->parent);
469 if (!wd) return EINA_FALSE;
471 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
472 if (cp->button_state == L_BUTTON_PRESSED)
474 x -= 1.0 / BASE_STEP;
475 if (x < 0.0) x = 0.0;
476 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
477 _draw_rects(data, x);
478 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
481 else if (cp->button_state == R_BUTTON_PRESSED)
483 x += 1.0 / BASE_STEP;
484 if (x > 1.0) x = 1.0;
485 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
486 _draw_rects(data, x);
487 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
495 _long_press_timer(void *data)
497 Colorselector_Data *cp = data;
498 Widget_Data *wd = elm_widget_data_get(cp->parent);
500 if (wd->mv_timer) ecore_timer_del(wd->mv_timer);
501 wd->mv_timer = ecore_timer_add(0.01, _mv_timer, cp);
508 _left_button_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
510 Colorselector_Data *cp = data;
511 Widget_Data *wd = elm_widget_data_get(cp->parent);
514 edje_object_signal_emit(cp->lbt, "elm,state,left,button,down",
516 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
518 switch(cp->color_type)
536 if (x < 0.0) x = 0.0;
538 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
539 _draw_rects(data, x);
540 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
541 cp->button_state = L_BUTTON_PRESSED;
542 if (wd->lp_timer) ecore_timer_del(wd->lp_timer);
543 wd->lp_timer = ecore_timer_add(_elm_config->longpress_timeout, _long_press_timer, cp);
547 _right_button_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
549 Colorselector_Data *cp = data;
550 Widget_Data *wd = elm_widget_data_get(cp->parent);
553 edje_object_signal_emit(cp->rbt, "elm,state,right,button,down",
555 edje_object_part_drag_value_get(cp->colorbar, "elm.arrow", &x, &y);
557 switch(cp->color_type)
575 if (x > 1.0) x = 1.0;
577 edje_object_part_drag_value_set(cp->colorbar, "elm.arrow", x, y);
578 _draw_rects(data, x);
579 evas_object_smart_callback_call(cp->parent, SIG_CHANGED, NULL);
580 cp->button_state = R_BUTTON_PRESSED;
581 wd->lp_timer = ecore_timer_add(_elm_config->longpress_timeout, _long_press_timer, cp);
585 _left_button_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
587 Colorselector_Data *cp = data;
588 Widget_Data *wd = elm_widget_data_get(cp->parent);
592 ecore_timer_del(wd->lp_timer);
597 ecore_timer_del(wd->mv_timer);
601 cp->button_state = BUTTON_RELEASED;
602 edje_object_signal_emit(cp->lbt, "elm,state,left,button,up", "left_button");
606 _right_button_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
608 Colorselector_Data *cp = data;
609 Widget_Data *wd = elm_widget_data_get(cp->parent);
613 ecore_timer_del(wd->lp_timer);
618 ecore_timer_del(wd->mv_timer);
622 cp->button_state = BUTTON_RELEASED;
623 edje_object_signal_emit(cp->rbt, "elm,state,right,button,up",
628 _add_colorbar(Evas_Object *obj)
630 char colorbar_name[128];
631 char colorbar_s[128];
636 wd = elm_widget_data_get(obj);
639 e = evas_object_evas_get(obj);
641 for (i = 0; i < 4; i++)
643 wd->cp[i] = ELM_NEW(Colorselector_Data);
644 wd->cp[i]->parent = obj;
648 wd->cp[i]->color_type = HUE;
651 wd->cp[i]->color_type = SATURATION;
654 wd->cp[i]->color_type = LIGHTNESS;
657 wd->cp[i]->color_type = ALPHA;
662 /* load colorbar area */
663 wd->cp[i]->colorbar = edje_object_add(e);
664 _elm_theme_object_set(obj, wd->cp[i]->colorbar, "colorselector", "base",
666 snprintf(colorbar_name, sizeof(colorbar_name), "colorbar_%d", i);
667 snprintf(colorbar_s, sizeof(colorbar_s), "elm.colorbar_%d", i);
668 edje_object_signal_callback_add(wd->cp[i]->colorbar, "drag", "*",
669 _arrow_cb, wd->cp[i]);
670 edje_object_part_swallow(wd->base, colorbar_s, wd->cp[i]->colorbar);
671 elm_widget_sub_object_add(obj, wd->cp[i]->colorbar);
673 /* load colorbar image */
674 wd->cp[i]->bar = edje_object_add(e);
675 _elm_theme_object_set(obj, wd->cp[i]->bar, "colorselector", "image",
677 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar",
679 elm_widget_sub_object_add(obj, wd->cp[i]->bar);
681 /* provide expanded touch area */
682 wd->cp[i]->touch_area = evas_object_rectangle_add(e);
683 evas_object_color_set(wd->cp[i]->touch_area, 0, 0, 0, 0);
684 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.arrow_bg",
685 wd->cp[i]->touch_area);
686 evas_object_event_callback_add(wd->cp[i]->touch_area,
687 EVAS_CALLBACK_MOUSE_DOWN, _colorbar_cb,
689 elm_widget_sub_object_add(obj, wd->cp[i]->touch_area);
691 /* load background rectangle of the colorbar. used for
692 changing color of the opacity bar */
693 if ((i == 1) || (i == 2))
695 wd->cp[i]->bg_rect = evas_object_rectangle_add(e);
696 evas_object_color_set(wd->cp[i]->bg_rect, wd->er, wd->eg, wd->eb,
698 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar_bg",
701 elm_widget_sub_object_add(obj, wd->cp[i]->bg_rect);
705 wd->cp[i]->bg_rect = edje_object_add(e);
706 _elm_theme_object_set(obj, wd->cp[i]->bg_rect, "colorselector",
707 "bg_image", colorbar_name);
708 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.bar_bg",
710 elm_widget_sub_object_add(obj, wd->cp[i]->bg_rect);
711 evas_object_color_set(wd->cp[i]->bar, wd->er, wd->eg, wd->eb, 255);
713 /* load arrow image, pointing the colorbar */
714 wd->cp[i]->arrow = edje_object_add(e);
715 _elm_theme_object_set(obj, wd->cp[i]->arrow, "colorselector", "image",
717 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.arrow_icon",
719 elm_widget_sub_object_add(obj, wd->cp[i]->arrow);
721 evas_object_color_set(wd->cp[i]->arrow, 0, 0, 0, 255);
723 evas_object_color_set(wd->cp[i]->arrow, wd->er, wd->eg, wd->eb, 255);
725 /* load left button */
726 wd->cp[i]->lbt = edje_object_add(e);
727 _elm_theme_object_set(obj, wd->cp[i]->lbt, "colorselector", "button",
729 evas_object_event_callback_add(wd->cp[i]->lbt, EVAS_CALLBACK_MOUSE_DOWN,
730 _left_button_down_cb, wd->cp[i]);
731 evas_object_event_callback_add(wd->cp[i]->lbt, EVAS_CALLBACK_MOUSE_UP,
732 _left_button_up_cb, wd->cp[i]);
733 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.l_button",
735 elm_widget_sub_object_add(obj, wd->cp[i]->lbt);
737 /* load right button */
738 wd->cp[i]->rbt = edje_object_add(e);
739 _elm_theme_object_set(obj, wd->cp[i]->rbt, "colorselector", "button",
741 evas_object_event_callback_add(wd->cp[i]->rbt, EVAS_CALLBACK_MOUSE_DOWN,
742 _right_button_down_cb, wd->cp[i]);
743 evas_object_event_callback_add(wd->cp[i]->rbt, EVAS_CALLBACK_MOUSE_UP,
744 _right_button_up_cb, wd->cp[i]);
745 edje_object_part_swallow(wd->cp[i]->colorbar, "elm.r_button",
747 elm_widget_sub_object_add(obj, wd->cp[i]->rbt);
752 _set_color(Evas_Object *obj, int r, int g, int b, int a)
754 Widget_Data *wd = elm_widget_data_get(obj);
764 edje_object_part_drag_value_get(wd->cp[0]->colorbar, "elm.arrow", &x, &y);
766 edje_object_part_drag_value_set(wd->cp[0]->colorbar, "elm.arrow", x, y);
767 _draw_rects(wd->cp[0], x);
769 edje_object_part_drag_value_get(wd->cp[1]->colorbar, "elm.arrow", &x, &y);
771 edje_object_part_drag_value_set(wd->cp[1]->colorbar, "elm.arrow", x, y);
772 _draw_rects(wd->cp[1], x);
774 edje_object_part_drag_value_get(wd->cp[2]->colorbar, "elm.arrow", &x, &y);
776 edje_object_part_drag_value_set(wd->cp[2]->colorbar, "elm.arrow", x, y);
777 _draw_rects(wd->cp[2], x);
779 edje_object_part_drag_value_get(wd->cp[3]->colorbar, "elm.arrow", &x, &y);
781 edje_object_part_drag_value_set(wd->cp[3]->colorbar, "elm.arrow", x, y);
782 _draw_rects(wd->cp[3], x);
786 elm_colorselector_add(Evas_Object *parent)
788 Evas_Object *obj = NULL;
789 Widget_Data *wd = NULL;
792 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
794 ELM_SET_WIDTYPE(widtype, "colorselector");
795 elm_widget_type_set(obj, "colorselector");
796 elm_widget_sub_object_add(parent, obj);
797 elm_widget_data_set(obj, wd);
798 elm_widget_del_hook_set(obj, _del_hook);
799 elm_widget_theme_hook_set(obj, _theme_hook);
801 /* load background edj */
802 wd->base = edje_object_add(e);
803 _elm_theme_object_set(obj, wd->base, "colorselector", "bg", "default");
804 elm_widget_resize_object_set(obj, wd->base);
818 evas_object_smart_callbacks_descriptions_set(obj, _signals);
823 elm_colorselector_color_set(Evas_Object *obj, int r, int g, int b, int a)
825 ELM_CHECK_WIDTYPE(obj, widtype);
826 _set_color(obj, r, g, b, a);
830 elm_colorselector_color_get(const Evas_Object *obj, int *r, int *g, int *b, int*a)
832 Widget_Data *wd = elm_widget_data_get(obj);
833 ELM_CHECK_WIDTYPE(obj, widtype);