Genlist - different width options

This example doesn't present any other feature that is not already present in the other examples, but visually shows the difference between using the default list options (first list of the example), setting the horizontal mode to ELM_LIST_LIMIT (second list), enabling compress mode (third list) and using height_for_width option (fourth list).

The full code for this example is listed below:

//Compile with:
//gcc -g genlist_example_03.c -o genlist_example_03 `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define N_ITEMS 30
static Elm_Genlist_Item_Class *_itc = NULL;
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), "created 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");
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 Evas_Object *
_genlist_add(Evas_Object *box)
{
Evas_Object *list = elm_genlist_add(elm_object_parent_widget_get(box));
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);
return list;
}
static void
_genlist_fill(Evas_Object *list)
{
unsigned int i;
for (i = 0; i < N_ITEMS; i++)
{
elm_genlist_item_append(list, _itc,
(void *)(uintptr_t)i, NULL,
ELM_GENLIST_ITEM_NONE,
_item_sel_cb, NULL);
}
}
EAPI_MAIN int
elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
{
Evas_Object *win, *box;
Evas_Object *list;
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);
elm_box_horizontal_set(box, EINA_TRUE);
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 = "double_label";
_itc->func.text_get = _item_label_get;
_itc->func.content_get = _item_content_get;
_itc->func.state_get = NULL;
_itc->func.del = NULL;
}
list = _genlist_add(box);
_genlist_fill(list);
list = _genlist_add(box);
elm_genlist_mode_set(list, ELM_LIST_LIMIT);
_genlist_fill(list);
list = _genlist_add(box);
elm_genlist_mode_set(list, ELM_LIST_COMPRESS);
_genlist_fill(list);
evas_object_resize(win, 800, 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_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
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_horizontal_set
void elm_box_horizontal_set(Elm_Box *obj, Eina_Bool horizontal)
Set the horizontal orientation.
Definition: elm_box_eo.legacy.c:27
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_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_POLICY_QUIT
@ ELM_POLICY_QUIT
under which circumstances the application should quit automatically.
Definition: elm_general.h:227
ELM_LIST_LIMIT
@ ELM_LIST_LIMIT
Sets a minimum size hint on the list object, so that containers may respect it (and resize itself to ...
Definition: elm_general.h:443
ELM_LIST_COMPRESS
@ ELM_LIST_COMPRESS
The list won't set any of its size hints to inform how a possible container should resize it.
Definition: elm_general.h:432
elm_genlist_mode_set
void elm_genlist_mode_set(Elm_Genlist *obj, Elm_List_Mode mode)
This sets the horizontal stretching mode.
Definition: elm_genlist_eo.legacy.c:135
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_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_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_NONE
@ ELM_GENLIST_ITEM_NONE
Simple item.
Definition: elm_general.h:349
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_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_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_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:8992
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:6189
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:9576
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_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
_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

And the screenshot of the running example: