cedric pushed a commit to branch master.
http://git.enlightenment.org/core/efl.git/commit/?id=23892343cce3b561e98dd050821cad0bed1ce887
commit 23892343cce3b561e98dd050821cad0bed1ce887
Author: Julien Isorce <j.iso...@samsung.com>
Date: Thu Aug 21 11:18:41 2014 +0200
evas: add example to test transparent background
Summary:
Reviewers: raster, devilhorns, cedric
Subscribers: capOM, cedric
Differential Revision: https://phab.enlightenment.org/D1228
Signed-off-by: Cedric BAIL <ced...@osg.samsung.com>
---
src/examples/evas/Makefile.am | 5 ++
src/examples/evas/evas-transparent.c | 108 +++++++++++++++++++++++++++++++++++
2 files changed, 113 insertions(+)
diff --git a/src/examples/evas/Makefile.am b/src/examples/evas/Makefile.am
index 8ce8cf0..18a7ed9 100644
--- a/src/examples/evas/Makefile.am
+++ b/src/examples/evas/Makefile.am
@@ -167,6 +167,11 @@ evas_table_SOURCES = evas-table.c
evas_table_LDADD = $(ECORE_EVAS_COMMON_LDADD)
evas_table_CPPFLAGS = $(ECORE_EVAS_COMMON_CPPFLAGS)
+EXTRA_PROGRAMS += evas_transparent
+evas_transparent_SOURCES = evas-transparent.c
+evas_transparent_LDADD = $(ECORE_EVAS_COMMON_LDADD)
+evas_transparent_CPPFLAGS = $(ECORE_EVAS_COMMON_CPPFLAGS)
+
EXTRA_PROGRAMS += evas_multi_touch
evas_multi_touch_SOURCES = evas-multi-touch.c
evas_multi_touch_LDADD = $(ECORE_EVAS_COMMON_LDADD)
diff --git a/src/examples/evas/evas-transparent.c
b/src/examples/evas/evas-transparent.c
new file mode 100644
index 0000000..56dd752
--- /dev/null
+++ b/src/examples/evas/evas-transparent.c
@@ -0,0 +1,108 @@
+/**
+ * Simple Evas example illustrating a trasnparent window
+ *
+ * @verbatim
+ * gcc -o evas-transparent evas-transparent.c `pkg-config --libs --cflags evas
ecore ecore-evas eina`
+ * @endverbatim
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#else
+#define PACKAGE_EXAMPLES_DIR "."
+#endif
+
+#include <Ecore.h>
+#include <Ecore_Evas.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#define WIDTH (640)
+#define HEIGHT (480)
+
+static const char *commands = \
+ "commands are:\n"
+ "\tn - turn on alpha"
+ "\tm - turn off alpha"
+ "\th - print help\n";
+
+struct exemple_data
+{
+ Ecore_Evas *ee;
+ Evas *evas;
+ Evas_Object *bg;
+};
+
+static struct exemple_data d;
+
+static void
+_on_keydown(void *data EINA_UNUSED,
+ Evas *evas EINA_UNUSED,
+ Evas_Object *o EINA_UNUSED,
+ void *einfo)
+{
+ Evas_Event_Key_Down *ev = einfo;
+
+ if (strcmp(ev->key, "h") == 0) /* print help */
+ {
+ fprintf(stdout, "%s", commands);
+ return;
+ }
+
+ if (strcmp(ev->key, "n") == 0)
+ {
+ ecore_evas_alpha_set(d.ee, EINA_TRUE);
+
+ fprintf(stdout, "turn on alpha\n");
+ return;
+ }
+
+ if (strcmp(ev->key, "m") == 0)
+ {
+ ecore_evas_alpha_set(d.ee, EINA_FALSE);
+
+ fprintf(stdout, "turn off alpha\n");
+ return;
+ }
+}
+
+static void
+_on_delete(Ecore_Evas *ee EINA_UNUSED)
+{
+ ecore_main_loop_quit();
+}
+
+int
+main(void)
+{
+ if (!ecore_evas_init())
+ return EXIT_FAILURE;
+
+ d.ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
+ if (!d.ee)
+ goto panic;
+
+ ecore_evas_callback_delete_request_set(d.ee, _on_delete);
+ ecore_evas_show(d.ee);
+
+ d.evas = ecore_evas_get(d.ee);
+
+ d.bg = evas_object_rectangle_add(d.evas);
+ evas_object_color_set(d.bg, 0, 0, 0, 0);
+ 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);
+ ecore_main_loop_begin();
+ ecore_evas_shutdown();
+ return 0;
+
+panic:
+ 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");
+ return -2;
+}
+
--
