428 lines
14 KiB
C
428 lines
14 KiB
C
#include "e.h"
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//#include "e_comp_wl.h"
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#include "e_surface.h"
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/* local structures */
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typedef struct _E_Smart_Data E_Smart_Data;
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struct _E_Smart_Data
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{
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/* canvas */
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Evas *evas;
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/* object geometry */
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Evas_Coord x, y, w, h;
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/* input geometry */
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struct
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{
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Evas_Coord x, y, w, h;
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} input;
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/* main image object where we draw pixels to */
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Evas_Object *o_img;
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/* input rectangle */
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Evas_Object *o_input;
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double mouse_down_time;
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};
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/* smart function prototypes */
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static void _e_smart_add(Evas_Object *obj);
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static void _e_smart_del(Evas_Object *obj);
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static void _e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
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static void _e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
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static void _e_smart_show(Evas_Object *obj);
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static void _e_smart_hide(Evas_Object *obj);
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static void _e_smart_clip_set(Evas_Object *obj, Evas_Object *clip);
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static void _e_smart_clip_unset(Evas_Object *obj);
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/* local function prototypes */
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static void _e_surface_cb_focus_in(void *data, Evas *evas EINA_UNUSED, void *event EINA_UNUSED);
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static void _e_surface_cb_focus_out(void *data, Evas *evas EINA_UNUSED, void *event EINA_UNUSED);
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static void _e_surface_cb_mouse_in(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED);
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static void _e_surface_cb_mouse_out(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED);
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static void _e_surface_cb_mouse_move(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event);
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static void _e_surface_cb_mouse_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event);
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static void _e_surface_cb_mouse_up(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj, void *event);
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static void _e_surface_cb_key_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event);
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static void _e_surface_cb_key_up(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event);
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EAPI Evas_Object *
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e_surface_add(Evas *evas)
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{
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/* Evas_Object *obj = NULL; */
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/* E_Smart_Data *sd = NULL; */
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static Evas_Smart *smart = NULL;
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static const Evas_Smart_Class sc =
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{
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"smart_surface", EVAS_SMART_CLASS_VERSION,
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_e_smart_add, _e_smart_del, _e_smart_move, _e_smart_resize,
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_e_smart_show, _e_smart_hide, NULL,
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_e_smart_clip_set, _e_smart_clip_unset,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL
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};
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/* create the smart class */
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if (!smart)
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if (!(smart = evas_smart_class_new(&sc)))
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return NULL;
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/* create new smart object */
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/* obj = evas_object_smart_add(evas, smart); */
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/* get the smart data and set reference to the surface */
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/* if ((sd = evas_object_smart_data_get(obj))) */
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/* sd->ews = ews; */
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/* return newly created smart object */
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return evas_object_smart_add(evas, smart);
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}
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EAPI void
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e_surface_input_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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sd->input.x = x;
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sd->input.y = y;
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sd->input.w = w;
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sd->input.h = h;
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if ((w >= 0) && (h >= 0))
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{
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if (sd->o_img) evas_object_pass_events_set(sd->o_img, EINA_TRUE);
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}
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else
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if (sd->o_img) evas_object_pass_events_set(sd->o_img, EINA_FALSE);
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/* update input rectangle geometry */
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if (sd->o_input)
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{
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evas_object_move(sd->o_input, x, y);
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evas_object_resize(sd->o_input, w, h);
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}
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}
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EAPI void
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e_surface_damage_add(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* update the image damaged area */
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if (sd->o_img)
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evas_object_image_data_update_add(sd->o_img, x, y, w, h);
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}
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EAPI void
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e_surface_image_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h, void *pixels)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* update the image damaged area */
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if (sd->o_img)
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{
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evas_object_image_size_set(sd->o_img, w, h);
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evas_object_image_data_copy_set(sd->o_img, pixels);
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}
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}
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EAPI void
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e_surface_border_input_set(Evas_Object *obj, E_Border *bd)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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e_border_input_object_set(bd, sd->o_input);
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}
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/* smart functions */
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static void
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_e_smart_add(Evas_Object *obj)
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{
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E_Smart_Data *sd = NULL;
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/* try to allocate space for the smart data structure */
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if (!(sd = E_NEW(E_Smart_Data, 1))) return;
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/* get a reference to the canvas */
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sd->evas = evas_object_evas_get(obj);
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evas_event_callback_add(sd->evas, EVAS_CALLBACK_CANVAS_FOCUS_IN,
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_e_surface_cb_focus_in, obj);
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evas_event_callback_add(sd->evas, EVAS_CALLBACK_CANVAS_FOCUS_OUT,
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_e_surface_cb_focus_out, obj);
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/* create the base input rectangle */
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sd->o_input = evas_object_rectangle_add(sd->evas);
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evas_object_color_set(sd->o_input, 0, 0, 0, 0);
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evas_object_propagate_events_set(sd->o_input, EINA_FALSE);
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evas_object_repeat_events_set(sd->o_input, EINA_FALSE);
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/* we have to set focus to the input object first, or else Evas will
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* never report any key events (up/down) to us */
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evas_object_focus_set(sd->o_input, EINA_TRUE);
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/* add the event callbacks we need to listen for */
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_MOUSE_IN,
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_e_surface_cb_mouse_in, obj);
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_MOUSE_OUT,
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_e_surface_cb_mouse_out, obj);
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_MOUSE_MOVE,
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_e_surface_cb_mouse_move, obj);
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_MOUSE_DOWN,
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_e_surface_cb_mouse_down, obj);
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_MOUSE_UP,
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_e_surface_cb_mouse_up, obj);
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_KEY_DOWN,
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_e_surface_cb_key_down, obj);
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evas_object_event_callback_add(sd->o_input, EVAS_CALLBACK_KEY_UP,
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_e_surface_cb_key_up, obj);
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evas_object_smart_member_add(sd->o_input, obj);
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/* create the image object */
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sd->o_img = evas_object_image_filled_add(sd->evas);
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evas_object_image_content_hint_set(sd->o_img, EVAS_IMAGE_CONTENT_HINT_DYNAMIC);
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evas_object_image_scale_hint_set(sd->o_img, EVAS_IMAGE_SCALE_HINT_DYNAMIC);
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evas_object_image_smooth_scale_set(sd->o_img, EINA_FALSE);
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evas_object_image_alpha_set(sd->o_img, EINA_TRUE);
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evas_object_pass_events_set(sd->o_img, EINA_FALSE);
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evas_object_propagate_events_set(sd->o_img, EINA_FALSE);
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evas_object_smart_member_add(sd->o_img, obj);
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/* set the objects smart data */
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evas_object_smart_data_set(obj, sd);
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}
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static void
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_e_smart_del(Evas_Object *obj)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* delete the image object */
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if (sd->o_img) evas_object_del(sd->o_img);
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/* delete the input rectangle */
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if (sd->o_input)
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{
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/* delete the callbacks */
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_MOUSE_IN,
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_e_surface_cb_mouse_in);
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_MOUSE_OUT,
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_e_surface_cb_mouse_out);
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_MOUSE_MOVE,
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_e_surface_cb_mouse_move);
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_MOUSE_DOWN,
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_e_surface_cb_mouse_down);
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_MOUSE_UP,
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_e_surface_cb_mouse_up);
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_KEY_DOWN,
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_e_surface_cb_key_down);
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evas_object_event_callback_del(sd->o_input, EVAS_CALLBACK_KEY_UP,
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_e_surface_cb_key_up);
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evas_object_del(sd->o_input);
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}
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/* delete the event callbacks */
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evas_event_callback_del(sd->evas, EVAS_CALLBACK_CANVAS_FOCUS_IN,
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_e_surface_cb_focus_in);
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evas_event_callback_del(sd->evas, EVAS_CALLBACK_CANVAS_FOCUS_OUT,
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_e_surface_cb_focus_out);
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/* free the allocated smart data structure */
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E_FREE(sd);
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/* set the objects smart data */
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evas_object_smart_data_set(obj, NULL);
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}
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static void
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_e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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if ((sd->x == x) && (sd->y == y)) return;
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sd->x = x;
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sd->y = y;
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/* move the input rectangle */
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if (sd->o_input)
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evas_object_move(sd->o_input, sd->input.x, sd->input.y);
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/* move the image object */
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if (sd->o_img) evas_object_move(sd->o_img, x, y);
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}
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static void
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_e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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if ((sd->w == w) && (sd->h == h)) return;
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sd->w = w;
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sd->h = h;
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/* resize the input rectangle */
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if (sd->o_input)
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evas_object_resize(sd->o_input, sd->input.w, sd->input.h);
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/* resize the image object */
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if (sd->o_img) evas_object_resize(sd->o_img, w, h);
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}
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static void
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_e_smart_show(Evas_Object *obj)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* show the input rectangle */
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if (sd->o_input) evas_object_show(sd->o_input);
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/* show the image object */
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if (sd->o_img) evas_object_show(sd->o_img);
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}
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static void
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_e_smart_hide(Evas_Object *obj)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* hide the input rectangle */
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if (sd->o_input) evas_object_hide(sd->o_input);
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/* hide the image object */
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if (sd->o_img) evas_object_hide(sd->o_img);
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}
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static void
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_e_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* TODO: Hmmm, set clip on the input rectangle ?? */
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/* set the clip on the image object */
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if (sd->o_img) evas_object_clip_set(sd->o_img, clip);
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}
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static void
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_e_smart_clip_unset(Evas_Object *obj)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(obj))) return;
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/* TODO: Hmmm, unset clip on the input rectangle ?? */
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/* unset the image object clip */
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if (sd->o_img) evas_object_clip_unset(sd->o_img);
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}
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/* local functions */
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static void
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_e_surface_cb_focus_in(void *data, Evas *evas EINA_UNUSED, void *event EINA_UNUSED)
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{
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evas_object_smart_callback_call(data, "focus_in", NULL);
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}
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static void
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_e_surface_cb_focus_out(void *data, Evas *evas EINA_UNUSED, void *event EINA_UNUSED)
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{
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evas_object_smart_callback_call(data, "focus_out", NULL);
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}
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static void
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_e_surface_cb_mouse_in(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED)
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{
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evas_object_smart_callback_call(data, "mouse_in", NULL);
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}
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static void
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_e_surface_cb_mouse_out(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED)
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{
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evas_object_smart_callback_call(data, "mouse_out", NULL);
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}
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static void
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_e_surface_cb_mouse_move(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
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{
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evas_object_smart_callback_call(data, "mouse_move", event);
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}
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static void
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_e_surface_cb_mouse_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
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{
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E_Smart_Data *sd = NULL;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(data))) return;
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/* grab the loop time for this mouse down event
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*
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* NB: we use this for comparison in the mouse_up callback due to
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* some e_border grab shenanigans. Basically, this lets us ignore the
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* spurious mouse_up that we get from e_border grabs */
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sd->mouse_down_time = ecore_loop_time_get();
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evas_object_smart_callback_call(data, "mouse_down", event);
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}
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static void
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_e_surface_cb_mouse_up(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
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{
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E_Smart_Data *sd = NULL;
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double timestamp;
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/* try to get the objects smart data */
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if (!(sd = evas_object_smart_data_get(data))) return;
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timestamp = ecore_loop_time_get();
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if (fabs(timestamp - sd->mouse_down_time) <= 0.001) return;
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evas_object_smart_callback_call(data, "mouse_up", event);
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}
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static void
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_e_surface_cb_key_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
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{
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evas_object_smart_callback_call(data, "key_down", event);
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}
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static void
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_e_surface_cb_key_up(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
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{
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evas_object_smart_callback_call(data, "key_up", event);
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}
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