642 lines
17 KiB
C
642 lines
17 KiB
C
#include "e.h"
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typedef struct _E_Widget_Data E_Widget_Data;
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struct _E_Widget_Data
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{
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Evas_Object *o_cslider;
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Evas_Object *o_grad;
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Evas_Object *o_event;
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Evas_Coord x, y, w, h;
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int vertical;
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int fixed;
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E_Color_Component mode;
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int valnum;
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E_Color *color;
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E_Color *prev;
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int dragging;
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};
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static void _e_wid_del_hook(Evas_Object *obj);
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static void _e_wid_focus_hook(Evas_Object *obj);
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static void _e_wid_disable_hook(Evas_Object *obj);
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static void _e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_value_set(Evas_Object *obj, double vx);
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static void _e_wid_update(E_Widget_Data *wd);
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static void _e_wid_update_standard(E_Widget_Data *wd);
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static void _e_wid_update_fixed(E_Widget_Data *wd);
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static void _e_wid_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_cb_drag_start(void *data, Evas_Object *obj, const char *emission, const char *source);
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static void _e_wid_cb_drag_stop(void *data, Evas_Object *obj, const char *emission, const char *source);
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static void _e_wid_cb_drag(void *data, Evas_Object *obj, const char *emission, const char *source);
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static void _e_wid_cb_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_cb_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_cb_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
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Evas_Object *
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e_widget_cslider_add(Evas *evas, E_Color_Component mode, E_Color *color, int vertical, int fixed)
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{
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Evas_Object *obj, *o;
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E_Widget_Data *wd;
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Evas_Coord mw, mh;
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obj = e_widget_add(evas);
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e_widget_del_hook_set(obj, _e_wid_del_hook);
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e_widget_focus_hook_set(obj, _e_wid_focus_hook);
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e_widget_disable_hook_set(obj, _e_wid_disable_hook);
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wd = calloc(1, sizeof(E_Widget_Data));
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e_widget_data_set(obj, wd);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _e_wid_resize, wd);
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wd->vertical = vertical;
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wd->fixed = fixed;
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wd->mode = mode;
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wd->color = color;
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wd->prev = calloc(1, sizeof (E_Color));
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o = edje_object_add(evas);
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wd->o_cslider = o;
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e_theme_edje_object_set(o, "base/theme/widgets",
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"e/widgets/cslider");
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if (wd->vertical)
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edje_object_signal_emit(o, "e,state,direction,v", "e");
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else
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edje_object_signal_emit(o, "e,state,direction,h", "e");
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evas_object_show(o);
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edje_object_size_min_calc(o, &mw, &mh);
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e_widget_size_min_set(obj, mw, mh);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOVE, _e_wid_move, wd);
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evas_object_event_callback_add(o, EVAS_CALLBACK_RESIZE, _e_wid_resize, wd);
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edje_object_signal_callback_add(wd->o_cslider, "drag,start", "*", _e_wid_cb_drag_start, obj);
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edje_object_signal_callback_add(wd->o_cslider, "drag", "*", _e_wid_cb_drag, obj);
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edje_object_signal_callback_add(wd->o_cslider, "drag,stop", "*", _e_wid_cb_drag_stop, obj);
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e_widget_sub_object_add(obj, o);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
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e_widget_resize_object_set(obj, o);
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/* add gradient obj */
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o = evas_object_image_filled_add(evas);
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e_widget_sub_object_add(obj, o);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_cb_down, obj);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _e_wid_cb_move, obj);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _e_wid_cb_up, obj);
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evas_object_color_set(o, 255, 255, 255, 255);
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wd->o_grad = o;
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edje_object_part_swallow(wd->o_cslider, "e.swallow.content", o);
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o = evas_object_rectangle_add(evas);
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evas_object_repeat_events_set(o, EINA_TRUE);
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e_widget_sub_object_add(obj, o);
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evas_object_show(o);
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evas_object_color_set(o, 0, 0, 0, 0);
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wd->o_event = o;
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_e_wid_update(wd);
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return obj;
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}
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static void
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_e_wid_move(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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E_Widget_Data *wd;
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Evas_Coord x, y;
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wd = data;
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evas_object_geometry_get(obj, &x, &y, NULL, NULL);
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evas_object_move(wd->o_event, x, y);
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_e_wid_update(wd);
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}
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static void
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_e_wid_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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E_Widget_Data *wd;
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Evas_Coord w, h;
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wd = data;
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evas_object_geometry_get(obj, NULL, NULL, &w, &h);
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evas_object_resize(wd->o_event, w, h);
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_e_wid_update(wd);
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}
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static void
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_e_wid_value_set(Evas_Object *o, double vx)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(o);
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switch (wd->mode)
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{
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case E_COLOR_COMPONENT_R:
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wd->color->r = 255 * vx;
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e_color_update_rgb(wd->color);
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break;
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case E_COLOR_COMPONENT_G:
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wd->color->g = 255 * vx;
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e_color_update_rgb(wd->color);
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break;
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case E_COLOR_COMPONENT_B:
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wd->color->b = 255 * vx;
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e_color_update_rgb(wd->color);
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break;
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case E_COLOR_COMPONENT_H:
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wd->color->h = 360 * vx;
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e_color_update_hsv(wd->color);
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break;
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case E_COLOR_COMPONENT_S:
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wd->color->s = vx;
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e_color_update_hsv(wd->color);
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break;
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case E_COLOR_COMPONENT_V:
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wd->color->v = vx;
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e_color_update_hsv(wd->color);
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break;
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case E_COLOR_COMPONENT_MAX:
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break;
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}
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_e_wid_update(wd);
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e_widget_change(o);
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}
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void
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e_widget_cslider_color_value_set(Evas_Object *obj, E_Color *val)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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wd->color = val;
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_e_wid_update(wd);
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}
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void
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e_widget_cslider_update(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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_e_wid_update(wd);
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}
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void
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e_widget_cslider_mode_set(Evas_Object *obj, E_Color_Component mode)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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if (wd->mode == mode) return;
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wd->mode = mode;
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_e_wid_update(wd);
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}
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static void
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_e_wid_update(E_Widget_Data *wd)
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{
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Evas_Coord x, y, w, h;
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Eina_Bool changed = EINA_FALSE;
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evas_object_geometry_get(wd->o_event, &x, &y, &w, &h);
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if (x != wd->x || y != wd->y || w != wd->w || h != wd->h)
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changed = EINA_TRUE;
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if (memcmp(wd->color, wd->prev, sizeof (E_Color)))
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changed = EINA_TRUE;
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if (changed)
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{
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if (wd->fixed)
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_e_wid_update_fixed(wd);
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else
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_e_wid_update_standard(wd);
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wd->x = x; wd->y = y;
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wd->w = w; wd->h = h;
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memcpy(wd->prev, wd->color, sizeof (E_Color));
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}
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}
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static void
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_e_wid_gradient_set(Evas_Object *o, Eina_Bool orientation,
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int rf, int gf, int bf,
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int rt, int gt, int bt)
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{
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unsigned int *pixels, *p;
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int x, r, g, b;
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if (!orientation)
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evas_object_image_size_set(o, 256, 1);
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else
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evas_object_image_size_set(o, 1, 256);
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pixels = evas_object_image_data_get(o, EINA_TRUE);
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if (pixels)
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{
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p = pixels;
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for (x = 0; x < 256; x++)
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{
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r = ((rf * (255 - x)) + (rt * x)) / 255;
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g = ((gf * (255 - x)) + (gt * x)) / 255;
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b = ((bf * (255 - x)) + (bt * x)) / 255;
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*p = 0xff000000 | (r << 16) | (g << 8) | (b);
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p++;
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}
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evas_object_image_data_set(o, pixels);
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evas_object_image_data_update_add(o, 0, 0, 256, 256);
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}
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}
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static void
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_e_wid_gradient_range_set(Evas_Object *o, Eina_Bool orientation,
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int rf, int gf, int bf,
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int rt, int gt, int bt,
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int from, int to)
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{
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unsigned int *pixels, *p;
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int x, r, g, b, v, t;
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if (from < 0) from = 0;
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if (from > 255) from = 255;
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if (to < 0) to = 0;
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if (to > 256) to = 256;
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if (to <= from) return;
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if (!orientation)
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evas_object_image_size_set(o, 256, 1);
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else
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evas_object_image_size_set(o, 1, 256);
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pixels = evas_object_image_data_get(o, EINA_TRUE);
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if (pixels)
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{
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t = to - from;
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p = pixels + from;
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for (x = from; x < to; x++)
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{
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v = x - from;
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r = ((rf * (t - v)) + (rt * v)) / t;
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g = ((gf * (t - v)) + (gt * v)) / t;
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b = ((bf * (t - v)) + (bt * v)) / t;
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*p = 0xff000000 | (r << 16) | (g << 8) | (b);
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p++;
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}
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evas_object_image_data_set(o, pixels);
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evas_object_image_data_update_add(o, 0, 0, 256, 256);
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}
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}
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static void
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_e_wid_update_standard(E_Widget_Data *wd)
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{
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int r, g, b;
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int rd, gd, bd;
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int max, min;
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unsigned int i;
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float vx = 0;
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int *grad[7][3] = {
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{ &max, &min, &min },
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{ &max, &max, &min },
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{ &min, &max, &min },
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{ &min, &max, &max },
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{ &min, &min, &max },
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{ &max, &min, &max },
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{ &max, &min, &min }
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};
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if (!wd->color) return;
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switch (wd->mode)
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{
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case E_COLOR_COMPONENT_R:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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0, wd->color->g, wd->color->b,
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255, wd->color->g, wd->color->b);
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vx = wd->color->r / 255.0;
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break;
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case E_COLOR_COMPONENT_G:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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wd->color->r, 0, wd->color->b,
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wd->color->r, 255, wd->color->b);
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vx = wd->color->g / 255.0;
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break;
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case E_COLOR_COMPONENT_B:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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wd->color->r, wd->color->g, 0,
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wd->color->r, wd->color->g, 255);
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vx = wd->color->b / 255.0;
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break;
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case E_COLOR_COMPONENT_H:
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evas_color_hsv_to_rgb(0, wd->color->s, wd->color->v, &max, &min, NULL);
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for (i = 0; i < 6; i++)
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_e_wid_gradient_range_set(wd->o_grad, wd->vertical,
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*grad[i][0], *grad[i][1], *grad[i][2],
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*grad[i + 1][0], *grad[i + 1][1], *grad[i + 1][2],
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((i + 0) * 256) / 6,
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((i + 1) * 256) / 6);
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vx = wd->color->h / 360.0;
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break;
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case E_COLOR_COMPONENT_S:
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evas_color_hsv_to_rgb(wd->color->h, 0, wd->color->v, &r, &g, &b);
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evas_color_hsv_to_rgb(wd->color->h, 1, wd->color->v, &rd, &gd, &bd);
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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r, g, b,
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rd, gd, bd);
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vx = wd->color->s;
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break;
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case E_COLOR_COMPONENT_V:
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evas_color_hsv_to_rgb(wd->color->h, wd->color->s, 0, &r, &g, &b);
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evas_color_hsv_to_rgb(wd->color->h, wd->color->s, 1, &rd, &gd, &bd);
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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r, g, b,
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rd, gd, bd);
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vx = wd->color->v;
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break;
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default:
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break;
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}
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edje_object_part_drag_value_set(wd->o_cslider, "e.dragable.cursor", vx, vx);
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edje_object_message_signal_process(wd->o_cslider); /* really needed or go in infinite loop */
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}
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void
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_e_wid_update_fixed(E_Widget_Data *wd)
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{
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#define GMAX 255
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#define GMIN 0
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unsigned int i;
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float vx = 0;
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int grad[7][3] = {
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{ GMAX, GMIN, GMIN },
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{ GMAX, GMIN, GMAX },
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{ GMIN, GMIN, GMAX },
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{ GMIN, GMAX, GMAX },
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{ GMIN, GMAX, GMIN },
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{ GMAX, GMAX, GMIN },
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{ GMAX, GMIN, GMIN }
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};
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if (!wd) return;
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switch (wd->mode)
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{
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case E_COLOR_COMPONENT_R:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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255, 0, 0,
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0, 0, 0);
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vx = wd->color->r / 255.0;
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break;
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case E_COLOR_COMPONENT_G:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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0, 255, 0,
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0, 0, 0);
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vx = wd->color->g / 255.0;
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break;
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case E_COLOR_COMPONENT_B:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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0, 0, 255,
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0, 0, 0);
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vx = wd->color->b / 255.0;
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break;
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case E_COLOR_COMPONENT_H:
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/*
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* Color Stops:
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* 0 x n n
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* 60 x x n
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* 120 n x n
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* 180 n x x
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* 240 n n x
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* 300 x n x
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* 360 x n n
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*/
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for (i = 0; i < 6; i++)
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_e_wid_gradient_range_set(wd->o_grad, wd->vertical,
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grad[i][0], grad[i][1], grad[i][2],
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grad[i + 1][0], grad[i + 1][1], grad[i + 1][2],
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((i + 0) * 256) / 6,
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((i + 1) * 256) / 6);
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vx = wd->color->h / 360.0;
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break;
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case E_COLOR_COMPONENT_S:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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255, 255, 255,
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0, 0, 0);
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vx = wd->color->s;
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break;
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case E_COLOR_COMPONENT_V:
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_e_wid_gradient_set(wd->o_grad, wd->vertical,
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255, 255, 255,
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0, 0, 0);
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vx = wd->color->v;
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break;
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default:
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break;
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}
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edje_object_part_drag_value_set(wd->o_cslider, "e.dragable.cursor", vx, vx);
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#undef GMAX
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#undef GMIN
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}
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static void
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_e_wid_del_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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free(wd);
|
|
}
|
|
|
|
static void
|
|
_e_wid_focus_hook(Evas_Object *obj)
|
|
{
|
|
E_Widget_Data *wd;
|
|
|
|
wd = e_widget_data_get(obj);
|
|
if (e_widget_focus_get(obj))
|
|
{
|
|
edje_object_signal_emit(wd->o_cslider, "e,state,focused", "e");
|
|
evas_object_focus_set(wd->o_cslider, 1);
|
|
}
|
|
else
|
|
{
|
|
edje_object_signal_emit(wd->o_cslider, "e,state,unfocused", "e");
|
|
evas_object_focus_set(wd->o_cslider, 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_e_wid_disable_hook(Evas_Object *obj)
|
|
{
|
|
E_Widget_Data *wd;
|
|
|
|
wd = e_widget_data_get(obj);
|
|
if (e_widget_disabled_get(obj))
|
|
edje_object_signal_emit(wd->o_cslider, "e,state,disabled", "e");
|
|
else
|
|
edje_object_signal_emit(wd->o_cslider, "e,state,enabled", "e");
|
|
}
|
|
|
|
static void
|
|
_e_wid_focus_steal(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
|
|
{
|
|
e_widget_focus_steal(data);
|
|
}
|
|
|
|
static void
|
|
_e_wid_cb_drag_start(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
|
|
{
|
|
Evas_Object *o_wid;
|
|
E_Widget_Data *wd;
|
|
double val, valx, valy;
|
|
|
|
o_wid = data;
|
|
wd = e_widget_data_get(o_wid);
|
|
wd->dragging = 1;
|
|
|
|
edje_object_part_drag_value_get(wd->o_cslider, "e.dragable.cursor",
|
|
&valx, &valy);
|
|
if (wd->vertical) val = valy;
|
|
else val = valx;
|
|
if (val > 1) val = 1;
|
|
if (val < 0) val = 0;
|
|
_e_wid_value_set(o_wid, val);
|
|
}
|
|
|
|
static void
|
|
_e_wid_cb_drag_stop(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
|
|
{
|
|
Evas_Object *o_wid;
|
|
E_Widget_Data *wd;
|
|
|
|
o_wid = data;
|
|
wd = e_widget_data_get(o_wid);
|
|
wd->dragging = 0;
|
|
}
|
|
|
|
static void
|
|
_e_wid_cb_drag(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
|
|
{
|
|
Evas_Object *o_wid;
|
|
E_Widget_Data *wd;
|
|
|
|
o_wid = data;
|
|
wd = e_widget_data_get(o_wid);
|
|
|
|
if (wd->dragging == 1)
|
|
{
|
|
double val, valx, valy;
|
|
|
|
edje_object_part_drag_value_get(wd->o_cslider, "e.dragable.cursor",
|
|
&valx, &valy);
|
|
if (wd->vertical) val = valy;
|
|
else val = valx;
|
|
if (val > 1) val = 1;
|
|
if (val < 0) val = 0;
|
|
_e_wid_value_set(o_wid, val);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_e_wid_mouse_handle(Evas_Object *obj, int mx, int my)
|
|
{
|
|
E_Widget_Data *wd;
|
|
Evas_Coord x, y, w, h;
|
|
double vx = 0.0, vy = 0.0;
|
|
|
|
wd = e_widget_data_get(obj);
|
|
|
|
evas_object_geometry_get(wd->o_grad, &x, &y, &w, &h);
|
|
if (w > 1) vx = (mx - x) / (double)(w - 1);
|
|
if (h > 1) vy = (my - y) / (double)(h - 1);
|
|
if (vx > 1) vx = 1;
|
|
if (vx < 0) vx = 0;
|
|
if (vy > 1) vy = 1;
|
|
if (vy < 0) vy = 0;
|
|
|
|
if (wd->vertical)
|
|
{
|
|
_e_wid_value_set(obj, 1.0 - vy);
|
|
edje_object_part_drag_value_set(wd->o_cslider, "e.dragable.cursor", 0.5, 1.0 - vy);
|
|
}
|
|
else
|
|
{
|
|
_e_wid_value_set(obj, vx);
|
|
edje_object_part_drag_value_set(wd->o_cslider, "e.dragable.cursor", vx, 0.5);
|
|
}
|
|
e_widget_change(obj);
|
|
}
|
|
|
|
static void
|
|
_e_wid_cb_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
|
|
{
|
|
Evas_Event_Mouse_Down *ev;
|
|
Evas_Object *o_wid;
|
|
E_Widget_Data *wd;
|
|
|
|
o_wid = data;
|
|
wd = e_widget_data_get(o_wid);
|
|
ev = event_info;
|
|
|
|
wd->dragging = 1;
|
|
_e_wid_mouse_handle(o_wid, ev->canvas.x, ev->canvas.y);
|
|
}
|
|
|
|
static void
|
|
_e_wid_cb_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
|
|
{
|
|
Evas_Object *o_wid;
|
|
E_Widget_Data *wd;
|
|
|
|
o_wid = data;
|
|
wd = e_widget_data_get(o_wid);
|
|
wd->dragging = 0;
|
|
}
|
|
|
|
static void
|
|
_e_wid_cb_move(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
|
|
{
|
|
Evas_Event_Mouse_Move *ev;
|
|
Evas_Object *o_wid;
|
|
E_Widget_Data *wd;
|
|
|
|
o_wid = data;
|
|
wd = e_widget_data_get(o_wid);
|
|
ev = event_info;
|
|
|
|
if (wd->dragging == 1)
|
|
{
|
|
_e_wid_mouse_handle(o_wid, ev->cur.canvas.x, ev->cur.canvas.y);
|
|
}
|
|
}
|
|
|