layout_example_02.c

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layout_example_02.c
//Compile with:
//gcc -g layout_example_02.c -o layout_example_02 `pkg-config --cflags --libs elementary`
#include <Elementary.h>
#define TABLE "example/table"
#define BOX "example/box"
#define TITLE "example/title"
#define SWALLOW "example/custom"
static const char *images[] = { "home", "close", "arrow_up", "arrow_down", NULL };
struct _App {
int current;
};
static void
_signal_cb(void *data, Evas_Object *o, const char *emission, const char *source EINA_UNUSED)
{
struct _App *app = data;
Evas_Object *icon = elm_object_part_content_get(o, "elm.swallow.content");
printf("signal received\n");
if (!strcmp("elm,action,back", emission))
app->current--;
else if (!strcmp("elm,action,next", emission))
app->current++;
if (app->current < 0)
app->current = (sizeof(images) / sizeof(images[0])) - 2;
else if (images[app->current] == NULL)
app->current = 0;
elm_icon_standard_set(icon, images[app->current]);
}
EAPI_MAIN int
elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
{
Evas_Object *win, *layout, *icon;
struct _App app;
app.current = 0;
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
win = elm_win_util_standard_add("layout", "Layout");
elm_win_autodel_set(win, EINA_TRUE);
// Adding layout and filling it with widgets
layout = elm_layout_add(win);
evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, layout);
if (!elm_layout_theme_set(
layout, "layout", "application", "content-back-next"))
fprintf(stderr, "Failed to set layout");
evas_object_show(layout);
icon = elm_icon_add(win);
elm_icon_standard_set(icon, images[app.current]);
evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_object_part_content_set(layout, "elm.swallow.content", icon);
elm_object_signal_callback_add(layout, "elm,action,back", "elm", _signal_cb, &app);
elm_object_signal_callback_add(layout, "elm,action,next", "elm", _signal_cb, &app);
evas_object_resize(win, 320, 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
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_object_part_content_set
void elm_object_part_content_set(Evas_Object *obj, const char *part, Evas_Object *content)
Set the content on part of a given container widget.
Definition: elm_main.c:1562
ELM_MAIN
#define ELM_MAIN()
macro to be used after the elm_main() function
Definition: elm_general.h:556
elm_object_signal_callback_add
void elm_object_signal_callback_add(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func, void *data)
Add a callback for a signal emitted by widget edje object.
Definition: elm_main.c:1863
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_object_part_content_get
Evas_Object * elm_object_part_content_get(const Evas_Object *obj, const char *part)
Get the content on a part of a given container widget.
Definition: elm_main.c:1569
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_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_layout_add
Evas_Object * elm_layout_add(Evas_Object *parent)
Add a new layout to the parent.
Definition: efl_ui_layout.c:3067
elm_layout_theme_set
Eina_Bool elm_layout_theme_set(Evas_Object *obj, const char *klass, const char *group, const char *style)
Set the edje group from the elementary theme that will be used as layout.
Definition: efl_ui_layout.c:3400
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_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_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