pkglibdir = $(datadir)/$(PACKAGE)/examples
+#put here all EDCs one needs to the tests
+EDCS = aspect.edc
+
+filesdir = $(datadir)/$(PACKAGE)/examples
+files_DATA =
+
if BUILD_EXAMPLES
AM_CPPFLAGS = \
evas_init_shutdown_SOURCES = evas-init-shutdown.c
evas_init_shutdown_LDADD = $(top_builddir)/src/lib/libevas.la
+#the ones using ecore_evas follow
AM_CPPFLAGS += @ECORE_EVAS_CFLAGS@
pkglib_PROGRAMS += evas_load_error_str
evas_object_manipulation_SOURCES = evas-object-manipulation.c
evas_object_manipulation_LDADD = $(top_builddir)/src/lib/libevas.la @ECORE_EVAS_LIBS@
+#the ones using ecore_evas and edje follow
+AM_CPPFLAGS += @EDJE_CFLAGS@
+
+pkglib_PROGRAMS += evas_aspect_hints
+evas_aspect_hints_DEPS = $(srcdir)/aspect.edc
+evas_aspect_hints_SOURCES = evas-aspect-hints.c
+evas_aspect_hints_LDADD = $(top_builddir)/src/lib/libevas.la @ECORE_EVAS_LIBS@ @EDJE_LIBS@
+
+aspect.edj: ${evas_aspect_hints_DEPS}
+
+.edc.edj:
+ $(edje_cc) -v -id $(srcdir) $< $(builddir)/$(@F)
+
+EDJS = $(EDCS:%.edc=%.edj)
+
+files_DATA += $(EDJS)
+
endif # if BUILD_EXAMPLES
-filesdir = $(datadir)/$(PACKAGE)/examples
-files_DATA = $(srcdir)/enlightenment.png \
+if INSTALL_EXAMPLES
+
+#put here additional data when installing examples
+files_DATA += $(srcdir)/enlightenment.png \
$(srcdir)/red.png
-if INSTALL_EXAMPLES
files_DATA += \
+ $(EDCS) \
$(srcdir)/evas-buffer-simple.c \
$(srcdir)/evas-init-shutdown.c \
- $(srcdir)/evas-load-error-str.c
+ $(srcdir)/evas-load-error-str.c \
+ $(srcdir)/evas-object-manipulation.c \
+ $(srcdir)/evas-events.c \
+ $(srcdir)/evas-aspect-hints.c
endif
--- /dev/null
+/**
+ * Simple Evas example illustrating aspect control hints on objects.
+ *
+ * You'll need at least one engine built for it (excluding the buffer
+ * one) and the png image loader also built. See stdout/stderr for
+ * output.
+ *
+ * You'll also need @b Edje for this one, as it has the only smart
+ * object implementing aspect control for children.
+ *
+ * @verbatim
+ * gcc -o evas-events evas-events.c `pkg-config --libs --cflags ecore-evas edje`
+ * @endverbatim
+ */
+
+#ifdef HAVE_CONFIG_H
+
+#include "config.h"
+#endif
+
+#include <Ecore.h>
+#include <Ecore_Evas.h>
+#include <Edje.h>
+#include <stdio.h>
+#include <errno.h>
+
+#define WIDTH 320
+#define HEIGHT 480
+
+static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png";
+static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/aspect.edj";
+
+struct test_data
+{
+ Ecore_Evas *ee;
+ Evas *canvas;
+ Evas_Object *bg, *rect, *container, *border;
+};
+
+static struct test_data d = {0};
+
+/* here just to keep our example's window size and background image's
+ * size in synchrony */
+static void
+_canvas_resize_cb(Ecore_Evas *ee)
+{
+ int w, h;
+
+ ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
+ evas_object_resize(d.bg, w, h);
+}
+
+static const char *
+_get_aspect_name(Evas_Aspect_Control aspect)
+{
+ switch (aspect)
+ {
+ case 0:
+ return "NONE";
+
+ case 1:
+ return "NEITHER";
+
+ case 2:
+ return "HORIZONTAL";
+
+ case 3:
+ return "VERTICAL";
+
+ case 4:
+ return "BOTH";
+
+ default:
+ return "INVALID";
+ }
+}
+
+static void
+_on_keydown(void *data __UNUSED__,
+ Evas *evas __UNUSED__,
+ Evas_Object *o,
+ void *einfo)
+{
+ const Evas_Modifier *mods;
+ Evas_Event_Key_Down *ev = einfo;
+
+ mods = evas_key_modifier_get(evas_object_evas_get(o));
+
+ if (evas_key_modifier_is_set(mods, "Shift") &&
+ strcmp(ev->keyname, "h") == 0) /* print help */
+ {
+ fprintf(stdout, "commands are:\n"
+ "\tc - cycle aspect control on object\n"
+ "\th - change horizontal aspect component\n"
+ "\tv - change vertical aspect component\n"
+ "\ts - print current object's status\n"
+ "\tH - print help\n");
+ return;
+ }
+
+ if (strcmp(ev->keyname, "s") == 0) /* get aspect status of the obj */
+ {
+ Evas_Coord w, h;
+ Evas_Aspect_Control aspect;
+
+ evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
+
+ fprintf(stdout, "Object has aspect %s, with horizontal compontent %d"
+ " and vertical compontent %d\n",
+ _get_aspect_name(aspect), w, h);
+
+ return;
+ }
+
+ if (strcmp(ev->keyname, "c") == 0) /* cycle aspect control on obj */
+ {
+ Evas_Coord w, h;
+ Evas_Aspect_Control aspect;
+
+ evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
+
+ aspect = (aspect + 1) % 5;
+
+ evas_object_size_hint_aspect_set(d.rect, aspect, w, h);
+
+ fprintf(stdout, "Changing aspect control to %s\n",
+ _get_aspect_name(aspect));
+
+ return;
+ }
+
+ if (strcmp(ev->keyname, "h") == 0) /* change horizontal aspect component */
+ {
+ Evas_Coord w, h;
+ Evas_Aspect_Control aspect;
+
+ evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
+
+ w = (w + 1) % 3;
+
+ evas_object_size_hint_aspect_set(d.rect, aspect, w, h);
+
+ fprintf(stdout, "Changing horizontal aspect component to %d\n", w);
+
+ return;
+ }
+
+ if (strcmp(ev->keyname, "v") == 0) /* change vertical aspect component */
+ {
+ Evas_Coord w, h;
+ Evas_Aspect_Control aspect;
+
+ evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
+
+ h = (h + 1) % 3;
+
+ evas_object_size_hint_aspect_set(d.rect, aspect, w, h);
+
+ fprintf(stdout, "Changing vertical aspect component to %d\n", h);
+
+ return;
+ }
+}
+
+int
+main(void)
+{
+ Eina_Bool ret;
+
+ if (!ecore_evas_init())
+ return EXIT_FAILURE;
+
+ if (!edje_init())
+ return EXIT_FAILURE;
+
+ /* this will give you a window with an Evas canvas under the first
+ * engine available */
+ d.ee = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
+ if (!d.ee)
+ goto error;
+
+ ecore_evas_callback_resize_set(d.ee, _canvas_resize_cb);
+ ecore_evas_show(d.ee);
+
+ /* the canvas pointer, de facto */
+ d.canvas = ecore_evas_get(d.ee);
+
+ d.bg = evas_object_rectangle_add(d.canvas);
+ evas_object_color_set(d.bg, 255, 255, 255, 255); /* white bg */
+ evas_object_move(d.bg, 0, 0); /* at canvas' origin */
+ evas_object_resize(d.bg, WIDTH, HEIGHT); /* covers full canvas */
+ evas_object_show(d.bg);
+
+ evas_object_focus_set(d.bg, EINA_TRUE);
+ evas_object_event_callback_add(
+ d.bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL);
+
+ d.container = edje_object_add(d.canvas);
+ ret = edje_object_file_set(d.container, edje_file_path, "main");
+ if (!ret)
+ {
+ Edje_Load_Error err = edje_object_load_error_get(d.container);
+ const char *msg = edje_load_error_str(err);
+ fprintf(stderr, "could not load 'main' from %s: %s",
+ edje_file_path, msg);
+
+ goto panic;
+ }
+
+ evas_object_move(d.container, (WIDTH / 4), (HEIGHT / 4));
+ evas_object_resize(d.container, (WIDTH / 2), (HEIGHT / 2));
+ evas_object_show(d.container);
+
+ d.rect = evas_object_rectangle_add(d.canvas);
+ evas_object_color_set(d.rect, 0, 0, 255, 255);
+ evas_object_size_hint_aspect_set(d.rect, EVAS_ASPECT_CONTROL_NONE, 1, 1);
+ evas_object_show(d.rect);
+
+ edje_object_part_swallow(d.container, "content", d.rect);
+ evas_object_smart_changed(d.container);
+
+ /* this is a border around the edje object, container of the
+ * rectangle we are going to experiment with (change its aspect
+ * hints). this way you can see how their sizes relate */
+ d.border = evas_object_image_filled_add(d.canvas);
+ evas_object_image_file_set(d.border, border_img_path, NULL);
+ evas_object_image_border_set(d.border, 3, 3, 3, 3);
+ evas_object_image_border_center_fill_set(d.border, EVAS_BORDER_FILL_NONE);
+ evas_object_move(d.border, (WIDTH / 4) - 3, (HEIGHT / 4) - 3);
+ evas_object_resize(d.border, (WIDTH / 2) + 6, (HEIGHT / 2) + 6);
+ evas_object_show(d.border);
+
+ ecore_main_loop_begin();
+
+ ecore_evas_free(d.ee);
+ ecore_evas_shutdown();
+ edje_shutdown();
+ return 0;
+
+error:
+ fprintf(stderr, "you got to have at least one evas engine built and linked"
+ " up to ecore-evas for this example to run properly.\n");
+panic:
+ ecore_evas_free(d.ee);
+ ecore_evas_shutdown();
+ edje_shutdown();
+
+ return -1;
+}