edje-table.c

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edje-table.c
#ifdef HAVE_CONFIG_H
# include "config.h"
#else
# define EINA_UNUSED
#endif
#ifndef PACKAGE_DATA_DIR
#define PACKAGE_DATA_DIR "."
#endif
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <Edje.h>
#define WIDTH (400)
#define HEIGHT (400)
static void
_on_delete(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
/* Try to get the number of columns and rows of the table
* and print them. */
static void
_columns_rows_print(Evas_Object *edje_obj)
{
int cols, rows;
if (edje_object_part_table_col_row_size_get(edje_obj, "table_part", &cols,
&rows))
printf("Number of columns: %d\nNumber of rows: %d\n", cols, rows);
else
fprintf(stderr, "Cannot get the number of columns and rows\n");
}
/* here just to keep our example's window size and table items
* size in synchrony. */
static void
_on_canvas_resize(Ecore_Evas *ee)
{
Evas_Object *bg;
Evas_Object *edje_obj;
Evas_Object **rects;
int i;
int w;
int h;
bg = ecore_evas_data_get(ee, "background");
edje_obj = ecore_evas_data_get(ee, "edje_obj");
rects = ecore_evas_data_get(ee, "rects");
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
evas_object_resize(bg, w, h);
evas_object_resize(edje_obj, w, h);
for (i = 0; i < 4; i++)
evas_object_size_hint_min_set(rects[i], w/2, h/2);
}
/* Mouse button 1 = remove the clicked item
* any other button = remove all items. */
static void
_on_mouse_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj, void *event_info)
{
Evas_Event_Mouse_Down *ev;
Evas_Object *edje_obj;
ev = (Evas_Event_Mouse_Down *)event_info;
edje_obj = (Evas_Object *)data;
if (ev->button != 1)
edje_object_part_table_clear(edje_obj, "table_part", EINA_TRUE);
else if (!edje_object_part_table_unpack(edje_obj, "table_part", obj))
fprintf(stderr, "Cannot remove the selected rectangle\n");
evas_object_del(obj);
_columns_rows_print(edje_obj);
}
static void
_rects_create(Evas *evas, Evas_Object **rects, Evas_Object *edje_obj)
{
int i;
for (i = 0; i < 4; i++)
{
rects[i] = evas_object_rectangle_add(evas);
evas_object_size_hint_min_set(rects[i], 200, 200);
evas_object_size_hint_weight_set(rects[i], 1.0, 1.0);
evas_object_show(rects[i]);
evas_object_event_callback_add(rects[i], EVAS_CALLBACK_MOUSE_DOWN,
_on_mouse_down, edje_obj);
}
}
int
main(int argc EINA_UNUSED, char *argv[] EINA_UNUSED)
{
const char *edje_file = PACKAGE_DATA_DIR"/table.edj";
Ecore_Evas *ee;
Evas *evas;
Evas_Object *bg;
Evas_Object *edje_obj;
Evas_Object *rects[4];
if (!ecore_evas_init())
return EXIT_FAILURE;
if (!edje_init())
goto shutdown_ecore_evas;
/* this will give you a window with an Evas canvas under the first
* engine available */
ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
if (!ee) goto shutdown_edje;
ecore_evas_callback_delete_request_set(ee, _on_delete);
ecore_evas_callback_resize_set(ee, _on_canvas_resize);
ecore_evas_title_set(ee, "Edje Table Example");
evas = ecore_evas_get(ee);
bg = evas_object_rectangle_add(evas);
evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */
evas_object_move(bg, 0, 0); /* at canvas' origin */
evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */
evas_object_show(bg);
ecore_evas_data_set(ee, "background", bg);
edje_obj = edje_object_add(evas);
edje_object_file_set(edje_obj, edje_file, "example_table");
evas_object_move(edje_obj, 0, 0); /* at canvas' origin */
evas_object_resize(edje_obj, WIDTH, HEIGHT);
evas_object_show(edje_obj);
ecore_evas_data_set(ee, "edje_obj", edje_obj);
_rects_create(evas, rects, edje_obj);
ecore_evas_data_set(ee, "rects", rects);
/* Colouring the rectangles */
evas_object_color_set(rects[0], 255, 0, 0, 255);
evas_object_color_set(rects[1], 0, 255, 0, 255);
evas_object_color_set(rects[2], 0, 0, 255, 255);
evas_object_color_set(rects[3], 128, 128, 128, 255);
/* Packing the rectangles into the table */
if (!edje_object_part_table_pack(edje_obj, "table_part", rects[0],
0, 0, 1, 2))
fprintf(stderr, "Cannot add the rectangle 1 to table\n");
if (!edje_object_part_table_pack(edje_obj, "table_part", rects[1],
0, 1, 1, 1))
fprintf(stderr, "Cannot add the rectangle 2 to table\n");
if (!edje_object_part_table_pack(edje_obj, "table_part", rects[2],
1, 0, 1, 1))
fprintf(stderr, "Cannot add the rectangle 3 to table\n");
if (!edje_object_part_table_pack(edje_obj, "table_part", rects[3],
1, 1, 1, 1))
fprintf(stderr, "Cannot add the rectangle 4 to table\n");
_columns_rows_print(edje_obj);
ecore_evas_show(ee);
ecore_main_loop_begin();
ecore_evas_free(ee);
ecore_evas_shutdown();
edje_shutdown();
return EXIT_SUCCESS;
shutdown_edje:
edje_shutdown();
shutdown_ecore_evas:
ecore_evas_shutdown();
return EXIT_FAILURE;
}
Ecore_Evas.h
Evas wrapper functions.
Edje.h
Edje Graphical Design Library.
EVAS_CALLBACK_MOUSE_DOWN
@ EVAS_CALLBACK_MOUSE_DOWN
Mouse Button Down Event.
Definition: Evas_Common.h:422
ecore_evas_init
EAPI int ecore_evas_init(void)
Inits the Ecore_Evas system.
Definition: ecore_evas.c:602
ecore_evas_title_set
EAPI void ecore_evas_title_set(Ecore_Evas *ee, const char *t)
Sets the title of an Ecore_Evas' window.
Definition: ecore_evas.c:1527
ecore_evas_callback_delete_request_set
EAPI void ecore_evas_callback_delete_request_set(Ecore_Evas *ee, Ecore_Evas_Event_Cb func)
Sets a callback for Ecore_Evas delete request events.
Definition: ecore_evas.c:1176
ecore_evas_show
EAPI void ecore_evas_show(Ecore_Evas *ee)
Shows an Ecore_Evas' window.
Definition: ecore_evas.c:1480
ecore_evas_get
EAPI Evas * ecore_evas_get(const Ecore_Evas *ee)
Gets an Ecore_Evas's Evas.
Definition: ecore_evas.c:1300
ecore_evas_data_get
EAPI void * ecore_evas_data_get(const Ecore_Evas *ee, const char *key)
Retrieves user data associated with an Ecore_Evas.
Definition: ecore_evas.c:1092
ecore_evas_geometry_get
EAPI void ecore_evas_geometry_get(const Ecore_Evas *ee, int *x, int *y, int *w, int *h)
Gets the geometry of an Ecore_Evas.
Definition: ecore_evas.c:1362
ecore_evas_data_set
EAPI void ecore_evas_data_set(Ecore_Evas *ee, const char *key, const void *data)
Stores user data in an Ecore_Evas structure.
Definition: ecore_evas.c:1103
ecore_evas_new
EAPI Ecore_Evas * ecore_evas_new(const char *engine_name, int x, int y, int w, int h, const char *extra_options)
Creates a new Ecore_Evas based on engine name and common parameters.
Definition: ecore_evas.c:1039
ecore_evas_callback_resize_set
EAPI void ecore_evas_callback_resize_set(Ecore_Evas *ee, Ecore_Evas_Event_Cb func)
Sets a callback for Ecore_Evas resize events.
Definition: ecore_evas.c:1140
ecore_evas_shutdown
EAPI int ecore_evas_shutdown(void)
Shuts down the Ecore_Evas system.
Definition: ecore_evas.c:666
ecore_evas_free
EAPI void ecore_evas_free(Ecore_Evas *ee)
Frees an Ecore_Evas.
Definition: ecore_evas.c:1083
ecore_main_loop_quit
void ecore_main_loop_quit(void)
Quits the main loop once all the events currently on the queue have been processed.
Definition: ecore_main.c:1321
ecore_main_loop_begin
void ecore_main_loop_begin(void)
Runs the application main loop.
Definition: ecore_main.c:1311
edje_shutdown
int edje_shutdown(void)
Shuts down the Edje library.
Definition: edje_main.c:262
edje_init
int edje_init(void)
Initializes the Edje library.
Definition: edje_main.c:35
edje_object_add
Evas_Object * edje_object_add(Evas *evas)
Instantiates a new Edje object.
Definition: edje_smart.c:22
edje_object_file_set
Eina_Bool edje_object_file_set(Evas_Object *obj, const char *file, const char *group)
Sets the EDJ file (and group within it) to load an Edje object's contents from.
Definition: edje_smart.c:467
edje_object_part_table_clear
Eina_Bool edje_object_part_table_clear(Evas_Object *obj, const char *part, Eina_Bool clear)
Removes all object from the table.
Definition: edje_part_table.c:322
edje_object_part_table_col_row_size_get
Eina_Bool edje_object_part_table_col_row_size_get(const Evas_Object *obj, const char *part, int *cols, int *rows)
Gets the number of columns and rows the table has.
Definition: edje_part_table.c:300
edje_object_part_table_pack
Eina_Bool edje_object_part_table_pack(Evas_Object *obj, const char *part, Evas_Object *child_obj, unsigned short col, unsigned short row, unsigned short colspan, unsigned short rowspan)
Packs an object into the table.
Definition: edje_part_table.c:293
edje_object_part_table_unpack
Eina_Bool edje_object_part_table_unpack(Evas_Object *obj, const char *part, Evas_Object *child_obj)
Removes an object from the table.
Definition: edje_part_table.c:315
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
Evas
Eo Evas
An opaque handle to an Evas canvas.
Definition: Evas_Common.h:163
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_del
EVAS_API void evas_object_del(Evas_Object *obj)
Marks the given Evas object for deletion (when Evas will free its memory).
Definition: evas_object_main.c:928
evas_object_color_set
EVAS_API 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:2024
evas_object_event_callback_add
EVAS_API void evas_object_event_callback_add(Evas_Object *eo_obj, Evas_Callback_Type type, Evas_Object_Event_Cb func, const void *data)
Add (register) a callback function to a given Evas object event.
Definition: evas_callbacks.c:478
evas_object_move
EVAS_API void evas_object_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
Move the given Evas object to the given location inside its canvas' viewport.
Definition: evas_object_main.c:1171
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
evas_object_size_hint_min_set
EVAS_API void evas_object_size_hint_min_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
Sets the hints for an object's minimum size.
Definition: evas_object_main.c:2611
evas_object_rectangle_add
EVAS_API Evas_Object * evas_object_rectangle_add(Evas *e)
Adds a rectangle to the given evas.
Definition: evas_object_rectangle.c:78
_Evas_Event_Mouse_Down
Mouse button press event.
Definition: Evas_Legacy.h:160
_Evas_Event_Mouse_Down::button
int button
Mouse button number that went down (1 - 32)
Definition: Evas_Legacy.h:161