You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

318 lines
7.7 KiB

#include "e.h"
typedef struct _E_Widget_Data E_Widget_Data;
struct _E_Widget_Data
{
Evas_Object *o_edje;
Evas_Object *o_spectrum;
Evas_Object *o_event;
E_Color *cv;
E_Color_Component mode;
int dragging;
};
static void _e_wid_del_hook(Evas_Object *obj);
static void _e_wid_focus_hook(Evas_Object *obj);
static void _e_wid_disable_hook(Evas_Object *obj);
static void _e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_wid_resize(void *data, Evas_Object *o, Evas_Coord w, Evas_Coord h);
static void _e_wid_move(void *data, Evas_Object *o, Evas_Coord x, Evas_Coord y);
static void _e_wid_mouse_handle(Evas_Object *obj, int mx, int my);
static void _e_wid_cb_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_wid_cb_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_wid_cb_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
Evas_Object *
e_widget_spectrum_add(Evas *evas, E_Color_Component mode, E_Color *cv)
{
Evas_Object *obj, *o;
E_Widget_Data *wd;
Evas_Coord mw, mh;
obj = e_widget_add(evas);
e_widget_del_hook_set(obj, _e_wid_del_hook);
e_widget_focus_hook_set(obj, _e_wid_focus_hook);
e_widget_disable_hook_set(obj, _e_wid_disable_hook);
wd = calloc(1, sizeof(E_Widget_Data));
e_widget_data_set(obj, wd);
wd->cv = cv;
wd->mode = mode;
o = edje_object_add(evas);
wd->o_edje = o;
e_theme_edje_object_set(o, "base/theme/widgets",
"e/widgets/spectrum");
evas_object_show(o);
edje_object_size_min_calc(o, &mw, &mh);
e_widget_size_min_set(obj, mw, mh);
e_widget_sub_object_add(obj, o);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
e_widget_resize_object_set(obj, o);
evas_object_intercept_resize_callback_add(o, _e_wid_resize, wd);
evas_object_intercept_move_callback_add(o, _e_wid_move, wd);
o = e_spectrum_add(evas);
e_spectrum_color_value_set(o, cv);
e_spectrum_mode_set(o, mode);
e_widget_sub_object_add(obj, o);
evas_object_show(o);
wd->o_spectrum = o;
edje_object_part_swallow(wd->o_edje, "e.swallow.content", o);
o = evas_object_rectangle_add(evas);
evas_object_repeat_events_set(o, EINA_TRUE);
evas_object_color_set(o, 0, 0, 0, 0);
e_widget_sub_object_add(obj, o);
evas_object_show(o);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_cb_down, obj);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _e_wid_cb_move, obj);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _e_wid_cb_up, obj);
wd->o_event = o;
e_widget_spectrum_update(obj, 0);
return obj;
}
void
e_widget_spectrum_update(Evas_Object *obj, int redraw)
{
E_Widget_Data *wd;
double vx = 0, vy = 0;
wd = e_widget_data_get(obj);
/* redraw spectrum */
if (redraw)
e_spectrum_update(wd->o_spectrum);
switch (wd->mode)
{
case E_COLOR_COMPONENT_R:
vy = wd->cv->g / 255.0;
vx = wd->cv->b / 255.0;
break;
case E_COLOR_COMPONENT_G:
vy = wd->cv->b / 255.0;
vx = wd->cv->r / 255.0;
break;
case E_COLOR_COMPONENT_B:
vy = wd->cv->r / 255.0;
vx = wd->cv->g / 255.0;
break;
case E_COLOR_COMPONENT_H:
vy = wd->cv->s;
vx = wd->cv->v;
break;
case E_COLOR_COMPONENT_S:
vy = wd->cv->v;
vx = wd->cv->h / 360.0;
break;
case E_COLOR_COMPONENT_V:
vy = wd->cv->h / 360.0;
vx = wd->cv->s;
break;
case E_COLOR_COMPONENT_MAX:
break;
}
edje_object_part_drag_value_set(wd->o_edje, "cursor", vx, vy);
}
void
e_widget_spectrum_mode_set(Evas_Object *obj, E_Color_Component mode)
{
E_Widget_Data *wd;
wd = e_widget_data_get(obj);
if (wd->mode == mode) return;
wd->mode = mode;
e_spectrum_mode_set(wd->o_spectrum, mode);
e_widget_spectrum_update(obj, 0);
}
static void
_e_wid_move(void *data, Evas_Object *o EINA_UNUSED, Evas_Coord x, Evas_Coord y)
{
E_Widget_Data *wd;
wd = data;
evas_object_move(wd->o_edje, x, y);
evas_object_move(wd->o_event, x, y);
}
static void
_e_wid_resize(void *data, Evas_Object *o EINA_UNUSED, Evas_Coord w, Evas_Coord h)
{
E_Widget_Data *wd;
wd = data;
evas_object_resize(wd->o_edje, w, h);
evas_object_resize(wd->o_event, w, h);
}
static void
_e_wid_del_hook(Evas_Object *obj)
{
E_Widget_Data *wd;
wd = e_widget_data_get(obj);
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_edje, "e,state,focused", "e");
evas_object_focus_set(wd->o_edje, 1);
}
else
{
edje_object_signal_emit(wd->o_edje, "e,state,unfocused", "e");
evas_object_focus_set(wd->o_edje, 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_spectrum, "e,state,disabled", "e");
else
edje_object_signal_emit(wd->o_spectrum, "e,state,enabled", "e");
}
static void
_e_wid_focus_steal(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
e_widget_focus_steal(data);
}
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, vy;
wd = e_widget_data_get(obj);
evas_object_geometry_get(wd->o_spectrum, &x, &y, &w, &h);
vx = (mx - x) / (double)w;
vy = (my - y) / (double)h;
if (vx > 1) vx = 1;
if (vx < 0) vx = 0;
if (vy > 1) vy = 1;
if (vy < 0) vy = 0;
edje_object_part_drag_value_set(wd->o_edje, "e.dragable.cursor", vx, vy);
switch (wd->mode)
{
case E_COLOR_COMPONENT_R:
wd->cv->g = vy * 255;
wd->cv->b = vx * 255;
e_color_update_rgb(wd->cv);
break;
case E_COLOR_COMPONENT_G:
wd->cv->b = vy * 255;
wd->cv->r = vx * 255;
e_color_update_rgb(wd->cv);
break;
case E_COLOR_COMPONENT_B:
wd->cv->r = vy * 255;
wd->cv->g = vx * 255;
e_color_update_rgb(wd->cv);
break;
case E_COLOR_COMPONENT_H:
wd->cv->s = vy;
wd->cv->v = vx;
e_color_update_hsv(wd->cv);
break;
case E_COLOR_COMPONENT_S:
wd->cv->v = vy;
wd->cv->h = vx * 360;
e_color_update_hsv(wd->cv);
break;
case E_COLOR_COMPONENT_V:
wd->cv->h = vy * 360;
wd->cv->s = vx;
e_color_update_hsv(wd->cv);
break;
case E_COLOR_COMPONENT_MAX:
break;
}
e_widget_change(obj);
}
static void
_e_wid_cb_down(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_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 EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_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 EINA_UNUSED, Evas_Object *obj EINA_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);
}
}