genlist_example_04.c

- Main Page
- Related Pages
- Modules
- Data Structures
- Files
- Examples

genlist_example_04.c
//Compile with:
//gcc -g genlist_example_04.c -o genlist_example_04 `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define N_ITEMS 300
static Elm_Genlist_Item_Class *_itc = NULL;
static Elm_Genlist_Item_Class *_itc_group = NULL;
static int nitems = 0;
static char *
_item_label_get(void *data, Evas_Object *obj EINA_UNUSED, const char *part)
{
time_t t = (time_t)ecore_time_unix_get();
char buf[256];
int i = (int)(uintptr_t)data;
if (!strcmp(part, "elm.text"))
snprintf(buf, sizeof(buf), "Item # %i", i);
else
{
int n;
snprintf(buf, sizeof(buf), "realized at %s", ctime(&t));
n = strlen(buf);
buf[n - 1] = '\0';
}
return strdup(buf);
}
static Evas_Object *
_item_content_get(void *data EINA_UNUSED, Evas_Object *obj, const char *part)
{
Evas_Object *ic = elm_icon_add(obj);
if (!strcmp(part, "elm.swallow.icon"))
elm_icon_standard_set(ic, "clock");
evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
return ic;
}
static void
_item_sel_cb(void *data, Evas_Object *obj, void *event_info)
{
printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n",
data, obj, event_info);
}
static char *
_group_label_get(void *data, Evas_Object *obj EINA_UNUSED, const char *part EINA_UNUSED)
{
char buf[256];
int i = (int)(uintptr_t)data;
snprintf(buf, sizeof(buf), "Group %d (item #%d)", i / 7, i);
return strdup(buf);
}
static Evas_Object *
_group_content_get(void *data EINA_UNUSED, Evas_Object *obj, const char *part)
{
Evas_Object *ic = elm_icon_add(obj);
if (!strcmp(part, "elm.swallow.icon"))
elm_icon_standard_set(ic, "home");
evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
return ic;
}
static void
_append_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
elm_genlist_item_append(list, _itc,
(void *)(uintptr_t)nitems++, NULL,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_prepend_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
elm_genlist_item_prepend(list, _itc,
(void *)(uintptr_t)nitems++, NULL,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_insert_before_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (!glit) return;
elm_genlist_item_insert_before(list, _itc,
(void *)(uintptr_t)nitems++, NULL,
glit, ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_insert_after_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (!glit) return;
elm_genlist_item_insert_after(list, _itc,
(void *)(uintptr_t)nitems++, NULL,
glit, ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
static void
_next_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (glit) glit = elm_genlist_item_next_get(glit);
if (!glit) glit = elm_genlist_first_item_get(list);
elm_genlist_item_selected_set(glit, EINA_TRUE);
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_prev_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (glit) glit = elm_genlist_item_prev_get(glit);
if (!glit) glit = elm_genlist_last_item_get(list);
elm_genlist_item_selected_set(glit, EINA_TRUE);
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_bring_in_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_show_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_middle_in_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
}
static void
_middle_show_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
}
static void
_top_in_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_TOP);
}
static void
_top_show_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Object_Item *glit = data;
if (!glit) return;
elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_TOP);
}
static void
_realize_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *list = data;
Elm_Object_Item *glit = elm_genlist_selected_item_get(list);
if (!glit) return;
elm_genlist_item_update(glit);
}
static Evas_Object *
_button_add(Evas_Object *list, Evas_Object *box, const char *label, Evas_Smart_Cb cb)
{
Evas_Object *bt;
bt = elm_button_add(elm_object_parent_widget_get(list));
elm_object_text_set(bt, label);
elm_box_pack_end(box, bt);
evas_object_show(bt);
if (cb)
evas_object_smart_callback_add(bt, "clicked", cb, list);
return bt;
}
EAPI_MAIN int
elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
{
Evas_Object *win, *box, *fbox;
Evas_Object *list;
Evas_Object *bt_bring_in, *bt_show;
Evas_Object *bt_middle_in, *bt_middle_show;
Evas_Object *bt_top_in, *bt_top_show;
int i;
win = elm_win_util_standard_add("genlist", "Genlist");
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
elm_win_autodel_set(win, EINA_TRUE);
box = elm_box_add(win);
evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, box);
evas_object_show(box);
if (!_itc)
{
_itc = elm_genlist_item_class_new();
_itc->item_style = "default";
_itc->func. text_get = _item_label_get;
_itc->func. content_get = _item_content_get;
_itc->func. state_get = NULL;
_itc->func. del = NULL;
}
if (!_itc_group)
{
_itc_group = elm_genlist_item_class_new();
_itc_group->item_style = "group_index";
_itc_group->func.text_get = _group_label_get;
_itc_group->func.content_get = _group_content_get;
_itc_group->func.state_get = NULL;
_itc_group->func.del = NULL;
}
list = elm_genlist_add(win);
evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, list);
evas_object_show(list);
fbox = elm_box_add(win);
elm_box_layout_set(fbox, evas_object_box_layout_flow_horizontal,
NULL, NULL);
evas_object_size_hint_weight_set(fbox, EVAS_HINT_EXPAND, 0);
evas_object_size_hint_align_set(fbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, fbox);
evas_object_show(fbox);
_button_add(list, fbox, "prepend", _prepend_cb);
_button_add(list, fbox, "append", _append_cb);
_button_add(list, fbox, "insert before", _insert_before_cb);
_button_add(list, fbox, "insert after", _insert_after_cb);
_button_add(list, fbox, "prev", _prev_cb);
_button_add(list, fbox, "next", _next_cb);
_button_add(list, fbox, "realize", _realize_cb);
bt_bring_in = _button_add(list, fbox, "bring #50", NULL);
bt_show = _button_add(list, fbox, "show #50", NULL);
bt_middle_in = _button_add(list, fbox, "bring to middle #200", NULL);
bt_middle_show = _button_add(list, fbox, "show in middle #200", NULL);
bt_top_in = _button_add(list, fbox, "bring to top #250", NULL);
bt_top_show = _button_add(list, fbox, "show in top #250", NULL);
for (i = 0; i < N_ITEMS; i++)
{
Elm_Object_Item *gli = NULL, *glg = NULL;
if (i % 7 == 0)
{
glg = gli = elm_genlist_item_append(list, _itc_group,
(void *)(uintptr_t)nitems++, NULL,
ELM_GENLIST_ITEM_GROUP,
_item_sel_cb, NULL);
elm_genlist_item_select_mode_set(gli, ELM_OBJECT_SELECT_MODE_DISPLAY_ONLY);
}
else
{
gli = elm_genlist_item_append(list, _itc,
(void *)(uintptr_t)nitems++, glg,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
switch (i)
{
case 3:
elm_object_item_disabled_set(gli, EINA_TRUE);
break;
case 50:
evas_object_smart_callback_add(
bt_bring_in, "clicked", _bring_in_cb, gli);
evas_object_smart_callback_add(
bt_show, "clicked", _show_cb, gli);
break;
case 200:
evas_object_smart_callback_add(
bt_middle_in, "clicked", _middle_in_cb, gli);
evas_object_smart_callback_add(
bt_middle_show, "clicked", _middle_show_cb, gli);
break;
case 250:
evas_object_smart_callback_add(
bt_top_in, "clicked", _top_in_cb, gli);
evas_object_smart_callback_add(
bt_top_show, "clicked", _top_show_cb, gli);
}
}
evas_object_resize(win, 420, 320);
evas_object_show(win);
elm_run();
return 0;
}
ELM_MAIN()
EVAS_HINT_EXPAND
#define EVAS_HINT_EXPAND
Use with evas_object_size_hint_weight_set(), evas_object_size_hint_weight_get(), evas_object_size_hin...
Definition: Evas_Common.h:297
EVAS_ASPECT_CONTROL_VERTICAL
@ EVAS_ASPECT_CONTROL_VERTICAL
Use all vertical container space to place an object, using the given aspect.
Definition: Evas_Common.h:377
EVAS_HINT_FILL
#define EVAS_HINT_FILL
Use with evas_object_size_hint_align_set(), evas_object_size_hint_align_get(), evas_object_size_hint_...
Definition: Evas_Common.h:298
Evas_Smart_Cb
void(* Evas_Smart_Cb)(void *data, Evas_Object *obj, void *event_info)
Evas smart objects' "smart callback" function signature.
Definition: Evas_Common.h:463
ecore_time_unix_get
double ecore_time_unix_get(void)
Retrieves the current UNIX time as a floating point value in seconds.
Definition: ecore_time.c:61
EINA_TRUE
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition: eina_types.h:539
EINA_UNUSED
#define EINA_UNUSED
Used to indicate that a function parameter is purposely unused.
Definition: eina_types.h:339
elm_box_add
Evas_Object * elm_box_add(Evas_Object *parent)
Add a new box to the parent.
Definition: elm_box.c:363
elm_box_pack_end
void elm_box_pack_end(Elm_Box *obj, Efl_Canvas_Object *subobj)
Add an object at the end of the pack list.
Definition: elm_box_eo.legacy.c:57
elm_box_layout_set
void elm_box_layout_set(Eo *obj, Evas_Object_Box_Layout cb, const void *data, Ecore_Cb free_data)
Set the layout defining function to be used by the box.
Definition: elm_box.c:502
elm_button_add
Evas_Object * elm_button_add(Evas_Object *parent)
Add a new button to the parent's canvas.
Definition: efl_ui_button.c:459
Elm_Object_Item
Eo Elm_Object_Item
An Elementary Object item handle.
Definition: elm_object_item.h:6
elm_object_item_disabled_set
void elm_object_item_disabled_set(Elm_Widget_Item *obj, Eina_Bool disable)
Control the disabled state of a widget item.
Definition: elm_widget_item_eo.legacy.c:111
ELM_MAIN
#define ELM_MAIN()
macro to be used after the elm_main() function
Definition: elm_general.h:556
elm_policy_set
Eina_Bool elm_policy_set(unsigned int policy, int value)
Set a new policy's value (for a given policy group/identifier).
Definition: elm_main.c:1380
elm_run
void elm_run(void)
Run Elementary's main loop.
Definition: elm_main.c:1357
ELM_POLICY_QUIT_LAST_WINDOW_CLOSED
@ ELM_POLICY_QUIT_LAST_WINDOW_CLOSED
quit when the application's last window is closed
Definition: elm_general.h:248
ELM_OBJECT_SELECT_MODE_DISPLAY_ONLY
@ ELM_OBJECT_SELECT_MODE_DISPLAY_ONLY
no select mode with no finger size rule.
Definition: elm_general.h:47
ELM_POLICY_QUIT
@ ELM_POLICY_QUIT
under which circumstances the application should quit automatically.
Definition: elm_general.h:227
elm_genlist_item_insert_before
Elm_Widget_Item * elm_genlist_item_insert_before(Elm_Genlist *obj, const Elm_Genlist_Item_Class *itc, const void *data, Elm_Widget_Item *parent, Elm_Widget_Item *before_it, Elm_Genlist_Item_Type type, Evas_Smart_Cb func, const void *func_data)
Insert an item before another in a genlist widget.
Definition: elm_genlist_eo.legacy.c:183
elm_genlist_selected_item_get
Elm_Widget_Item * elm_genlist_selected_item_get(const Elm_Genlist *obj)
Get the selected item in the genlist.
Definition: elm_genlist_eo.legacy.c:153
elm_genlist_add
Evas_Object * elm_genlist_add(Evas_Object *parent)
Add a new genlist widget to the given parent Elementary (container) object.
Definition: elm_genlist.c:5998
elm_genlist_item_prepend
Elm_Widget_Item * elm_genlist_item_prepend(Elm_Genlist *obj, const Elm_Genlist_Item_Class *itc, const void *data, Elm_Widget_Item *parent, Elm_Genlist_Item_Type type, Evas_Smart_Cb func, const void *func_data)
Prepend a new item in a given genlist widget.
Definition: elm_genlist_eo.legacy.c:231
elm_genlist_item_append
Elm_Widget_Item * elm_genlist_item_append(Elm_Genlist *obj, const Elm_Genlist_Item_Class *itc, const void *data, Elm_Widget_Item *parent, Elm_Genlist_Item_Type type, Evas_Smart_Cb func, const void *func_data)
Append a new item in a given genlist widget.
Definition: elm_genlist_eo.legacy.c:243
elm_genlist_last_item_get
Elm_Widget_Item * elm_genlist_last_item_get(const Elm_Genlist *obj)
Get the last item in the genlist.
Definition: elm_genlist_eo.legacy.c:177
elm_genlist_item_class_new
Elm_Genlist_Item_Class * elm_genlist_item_class_new(void)
Create a new genlist item class in a given genlist widget.
Definition: elm_genlist.c:8392
elm_genlist_item_insert_after
Elm_Widget_Item * elm_genlist_item_insert_after(Elm_Genlist *obj, const Elm_Genlist_Item_Class *itc, const void *data, Elm_Widget_Item *parent, Elm_Widget_Item *after_it, Elm_Genlist_Item_Type type, Evas_Smart_Cb func, const void *func_data)
Insert an item after another in a genlist widget.
Definition: elm_genlist_eo.legacy.c:195
elm_genlist_first_item_get
Elm_Widget_Item * elm_genlist_first_item_get(const Elm_Genlist *obj)
Get the first item in the genlist.
Definition: elm_genlist_eo.legacy.c:159
elm_genlist_item_next_get
Elm_Widget_Item * elm_genlist_item_next_get(const Elm_Genlist_Item *obj)
Get the next item in a genlist widget's internal lis of items, given a handle to one of those items.
Definition: elm_genlist_item_eo.legacy.c:9
elm_genlist_item_bring_in
void elm_genlist_item_bring_in(Elm_Genlist_Item *obj, Elm_Genlist_Item_Scrollto_Type type)
Animatedly bring in, to the visible area of a genlist, a given item on it.
Definition: elm_genlist_item_eo.legacy.c:147
elm_genlist_item_prev_get
Elm_Widget_Item * elm_genlist_item_prev_get(const Elm_Genlist_Item *obj)
Get the previous item in a genlist widget's internal list of items, given a handle to one of those it...
Definition: elm_genlist_item_eo.legacy.c:3
elm_genlist_item_update
void elm_genlist_item_update(Elm_Genlist_Item *obj)
Update all the contents of an item.
Definition: elm_genlist_item_eo.legacy.c:159
elm_genlist_item_selected_set
void elm_genlist_item_selected_set(Elm_Genlist_Item *obj, Eina_Bool selected)
Set whether a given genlist item is selected or not.
Definition: elm_genlist_item_eo.legacy.c:27
elm_genlist_item_show
void elm_genlist_item_show(Elm_Genlist_Item *obj, Elm_Genlist_Item_Scrollto_Type type)
Show the portion of a genlist's internal list containing a given item, immediately.
Definition: elm_genlist_item_eo.legacy.c:141
elm_genlist_item_select_mode_set
void elm_genlist_item_select_mode_set(Elm_Genlist_Item *obj, Elm_Object_Select_Mode mode)
Set the genlist item's select mode.
Definition: elm_genlist_item_eo.legacy.c:87
ELM_GENLIST_ITEM_NONE
@ ELM_GENLIST_ITEM_NONE
Simple item.
Definition: elm_general.h:349
ELM_GENLIST_ITEM_GROUP
@ ELM_GENLIST_ITEM_GROUP
An index item of a group of items.
Definition: elm_general.h:352
ELM_GENLIST_ITEM_SCROLLTO_TOP
@ ELM_GENLIST_ITEM_SCROLLTO_TOP
To the top of viewport.
Definition: elm_general.h:382
ELM_GENLIST_ITEM_SCROLLTO_MIDDLE
@ ELM_GENLIST_ITEM_SCROLLTO_MIDDLE
To the middle of viewport.
Definition: elm_general.h:384
ELM_GENLIST_ITEM_SCROLLTO_IN
@ ELM_GENLIST_ITEM_SCROLLTO_IN
To the nearest viewport.
Definition: elm_general.h:380
elm_icon_standard_set
Eina_Bool elm_icon_standard_set(Evas_Object *obj, const char *name)
Set the icon by icon standards names.
Definition: elm_icon.c:885
elm_icon_add
Evas_Object * elm_icon_add(Evas_Object *parent)
Add a new icon object to the parent.
Definition: elm_icon.c:613
elm_object_parent_widget_get
Evas_Object * elm_object_parent_widget_get(const Evas_Object *obj)
Get the first parent of the given object that is an Elementary widget.
Definition: elm_main.c:1833
elm_win_util_standard_add
Evas_Object * elm_win_util_standard_add(const char *name, const char *title)
Adds a window object with standard setup.
Definition: efl_ui_win.c:9582
elm_win_resize_object_add
void elm_win_resize_object_add(Eo *obj, Evas_Object *subobj)
Add subobj as a resize object of window obj.
Definition: efl_ui_win.c:8997
elm_win_autodel_set
void elm_win_autodel_set(Eo *obj, Eina_Bool autodel)
Set the window's autodel state.
Definition: efl_ui_win.c:6194
evas_object_box_layout_flow_horizontal
EVAS_API void evas_object_box_layout_flow_horizontal(Evas_Box *obj, Evas_Object_Box_Data *priv, void *data)
Layout function which sets the box o to a flow horizontal box.
Definition: evas_box_eo.legacy.c:159
evas_object_show
EVAS_API void evas_object_show(Evas_Object *eo_obj)
Makes the given Evas object visible.
Definition: evas_object_main.c:1814
evas_object_size_hint_weight_set
EVAS_API void evas_object_size_hint_weight_set(Evas_Object *obj, double x, double y)
Sets the hints for an object's weight.
Definition: evas_object_main.c:2638
Evas_Object
Efl_Canvas_Object Evas_Object
An Evas Object handle.
Definition: Evas_Common.h:185
evas_object_size_hint_align_set
EVAS_API void evas_object_size_hint_align_set(Evas_Object *obj, double x, double y)
Sets the hints for an object's alignment.
Definition: evas_object_main.c:2650
evas_object_size_hint_aspect_set
EVAS_API void evas_object_size_hint_aspect_set(Evas_Object *obj, Evas_Aspect_Control aspect, Evas_Coord w, Evas_Coord h)
Sets the hints for an object's aspect ratio.
Definition: evas_object_main.c:2581
evas_object_resize
EVAS_API void evas_object_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
Changes the size of the given Evas object.
Definition: evas_object_main.c:1236
evas_object_smart_callback_add
EVAS_API void evas_object_smart_callback_add(Evas_Object *eo_obj, const char *event, Evas_Smart_Cb func, const void *data)
Add (register) a callback function to the smart event specified by event on the smart object obj.
Definition: evas_object_smart.c:1040
_Elm_Gen_Item_Class_Functions::state_get
Elm_Gen_Item_State_Get_Cb state_get
State fetching class function for genlist/gengrid item classes.
Definition: elm_gen.h:101
_Elm_Gen_Item_Class_Functions::del
Elm_Gen_Item_Del_Cb del
Deletion class function for genlist/gengrid item classes.
Definition: elm_gen.h:102
_Elm_Gen_Item_Class_Functions::content_get
Elm_Gen_Item_Content_Get_Cb content_get
Content fetching class function for genlist/gengrid item classes.
Definition: elm_gen.h:100
_Elm_Gen_Item_Class_Functions::text_get
Elm_Gen_Item_Text_Get_Cb text_get
Text fetching class function for genlist/gengrid item classes.
Definition: elm_gen.h:99
_Elm_Gen_Item_Class
Gengrid or Genlist item class definition.
Definition: elm_gen.h:109
_Elm_Gen_Item_Class::func
Elm_Gen_Item_Class_Functions func
Set of callbacks.
Definition: elm_gen.h:126
_Elm_Gen_Item_Class::item_style
const char * item_style
Name of the visual style to use for this item.
Definition: elm_gen.h:118