box_example_02.c
//Compile with:
//gcc -g box_example_02.c -o box_example_02 `pkg-config --cflags --libs elementary`
#include <Elementary.h>
typedef struct
{
Eina_List *transitions;
} Transitions_Data;
static void
_add_cb(void *data, Evas_Object *obj EINA_UNUSED, void *ev EINA_UNUSED)
{
Eina_List *children;
Transitions_Data *tdata = data;
btn = elm_button_add(tdata->box);
elm_object_text_set(btn, "I do nothing");
children = (Eina_List *)elm_box_children_get(tdata->box);
if (children)
{
elm_box_pack_after(tdata->box, btn, (Evas_Object *)children->data);
eina_list_free(children);
}
else
elm_box_pack_end(tdata->box, btn);
}
static void
_clear_cb(void *data, Evas_Object *obj EINA_UNUSED, void *ev EINA_UNUSED)
{
Transitions_Data *tdata = data;
elm_box_clear(tdata->box);
}
static void
_unpack_cb(void *data, Evas_Object *obj, void *ev EINA_UNUSED)
{
Transitions_Data *tdata = data;
elm_box_unpack(tdata->box, obj);
evas_object_move(obj, 0, 50);
evas_object_color_set(obj, 128, 64, 0, 128);
}
static void
_test_box_transition_change(void *data)
{
Transitions_Data *tdata = data;
Elm_Box_Transition *layout_data;
if (!data) return;
next_layout = eina_list_data_get(tdata->transitions);
layout_data = elm_box_transition_new(2.0, tdata->last_layout,
NULL, NULL, next_layout, NULL, NULL,
_test_box_transition_change, tdata);
elm_box_layout_set(tdata->box, elm_box_layout_transition, layout_data,
tdata->last_layout = next_layout;
tdata->transitions = eina_list_demote_list(tdata->transitions,
tdata->transitions);
}
EAPI_MAIN int
elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
{
Evas_Object *win, *bigbox, *bx, *bt;
static Transitions_Data tdata = {
.transitions = NULL,
.box = NULL,
.last_layout = NULL
};
win = elm_win_util_standard_add("box-transition", "Box Transition");
bigbox = elm_box_add(win);
evas_object_size_hint_weight_set(bigbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
bx = elm_box_add(win);
elm_box_horizontal_set(bx, EINA_TRUE);
elm_box_pack_end(bigbox, bx);
bt = elm_button_add(win);
elm_object_text_set(bt, "Add");
elm_box_pack_end(bx, bt);
evas_object_smart_callback_add(bt, "clicked", _add_cb, &tdata);
bt = elm_button_add(win);
elm_object_text_set(bt, "Clear");
elm_box_pack_end(bx, bt);
evas_object_smart_callback_add(bt, "clicked", _clear_cb, &tdata);
bx = elm_box_add(win);
evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(bx, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(bigbox, bx);
bt = elm_button_add(win);
elm_object_text_set(bt, "Button 1");
evas_object_smart_callback_add(bt, "clicked", _unpack_cb, &tdata);
evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(bx, bt);
bt = elm_button_add(win);
elm_object_text_set(bt, "Button 2");
evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(bt, 1.0, 0.5);
evas_object_smart_callback_add(bt, "clicked", _unpack_cb, &tdata);
elm_box_pack_end(bx, bt);
bt = elm_button_add(win);
elm_object_text_set(bt, "Button 3");
evas_object_smart_callback_add(bt, "clicked", _unpack_cb, &tdata);
elm_box_pack_end(bx, bt);
tdata.box = bx;
tdata.last_layout = evas_object_box_layout_horizontal;
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_vertical);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_horizontal);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_stack);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_homogeneous_vertical);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_homogeneous_horizontal);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_flow_vertical);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_flow_horizontal);
tdata.transitions = eina_list_append(tdata.transitions,
evas_object_box_layout_stack);
elm_box_layout_set(bx, evas_object_box_layout_horizontal, NULL, NULL);
_test_box_transition_change(&tdata);
evas_object_resize(win, 300, 320);
return 0;
}
ELM_POLICY_QUIT_LAST_WINDOW_CLOSED
quit when the application's last window is closed
Definition: elm_general.h:248
elm_box_transition_free
EAPI void elm_box_transition_free(void *data)
Free a Elm_Box_Transition instance created with elm_box_transition_new().
Definition: elm_box.c:584
eina_list_append
EAPI Eina_List * eina_list_append(Eina_List *list, const void *data)
Appends the given data to the given linked list.
Definition: eina_list.c:584
elm_box_add
EAPI Evas_Object * elm_box_add(Evas_Object *parent)
Add a new box to the parent.
Definition: elm_box.c:366
_Eina_List::data
void * data
Pointer to list element payload.
Definition: eina_list.h:328
Evas_Object_Box_Layout
void(* Evas_Object_Box_Layout)(Evas_Object *o, Evas_Object_Box_Data *priv, void *user_data)
Definition: Evas_Common.h:2715
EINA_UNUSED
#define EINA_UNUSED
Definition: eina_types.h:321
eina_list_data_get
static void * eina_list_data_get(const Eina_List *list)
Gets the list node data member.
elm_button_add
EAPI Evas_Object * elm_button_add(Evas_Object *parent)
Add a new button to the parent's canvas.
Definition: efl_ui_button.c:477
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:292
evas_object_smart_callback_add
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:980
_Elm_Box_Transition
Definition: elm_widget_box.h:35
Evas_Object
Efl_Canvas_Object Evas_Object
Definition: Evas_Common.h:180
elm_run
void elm_run(void)
Run Elementary's main loop.
Definition: elm_main.c:1384
ELM_MAIN
#define ELM_MAIN()
macro to be used after the elm_main() function
Definition: elm_general.h:528
eina_list_demote_list
EAPI Eina_List * eina_list_demote_list(Eina_List *list, Eina_List *move_list)
Moves the specified data to the tail of the list.
Definition: eina_list.c:889
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:9199
evas_object_show
void evas_object_show(Evas_Object *eo_obj)
Makes the given Evas object visible.
Definition: evas_object_main.c:1853
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:293
elm_box_transition_new
EAPI Elm_Box_Transition * elm_box_transition_new(const double duration, Evas_Object_Box_Layout start_layout, void *start_layout_data, Ecore_Cb start_layout_free_data, Evas_Object_Box_Layout end_layout, void *end_layout_data, Ecore_Cb end_layout_free_data, Ecore_Cb transition_end_cb, void *transition_end_data)
Create a new Elm_Box_Transition to animate the switch of layouts.
Definition: elm_box.c:552
EINA_TRUE
#define EINA_TRUE
Definition: eina_types.h:508
eina_list_free
EAPI Eina_List * eina_list_free(Eina_List *list)
Frees an entire list and all the nodes, ignoring the data contained.
Definition: eina_list.c:823
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:1407
_Eina_List
Definition: eina_list.h:326
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:8899
elm_box_layout_transition
EAPI void elm_box_layout_transition(Evas_Object *obj, Evas_Object_Box_Data *priv, void *data)
Special layout function that animates the transition from one layout to another.
Definition: elm_box.c:517
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:6145
evas_object_color_set
void evas_object_color_set(Evas_Object *obj, int r, int g, int b, int a)
Sets the general/main color of the given Evas object to the given one.
Definition: evas_object_main.c:2063
ELM_POLICY_QUIT
under which circumstances the application should quit automatically.
Definition: elm_general.h:227