forked from enlightenment/efl
parent
b3b4adabdf
commit
ded7959193
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@ -1577,6 +1577,9 @@ AC_ARG_ENABLE([build-examples],
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# meant to be 'real world' usage examples, thus one will be
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# using higher level libraries on these programs
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PKG_CHECK_MODULES([ECORE_EVAS], [ecore-evas ecore])
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PKG_CHECK_MODULES([EDJE], [edje],
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[edje_cc=$(pkg-config --variable=prefix edje)/bin/edje_cc])
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AC_SUBST(edje_cc)
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else
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build_examples="no"
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fi
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@ -12,6 +12,8 @@
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* @ref Example_Evas_Events
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*
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* @ref Example_Evas_Object_Manipulation
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*
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* @ref Example_Evas_Aspect_Hints
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*/
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/**
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@ -50,3 +52,10 @@
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* @include evas-object-manipulation.c
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* @example evas-object-manipulation.c
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*/
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/**
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* @page Example_Evas_Aspect_Hints Evas aspect hints example
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*
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* @include evas-aspect-hints.c
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* @example evas-aspect-hints.c
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*/
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@ -2,6 +2,12 @@ MAINTAINERCLEANFILES = Makefile.in
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pkglibdir = $(datadir)/$(PACKAGE)/examples
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#put here all EDCs one needs to the tests
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EDCS = aspect.edc
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filesdir = $(datadir)/$(PACKAGE)/examples
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files_DATA =
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if BUILD_EXAMPLES
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AM_CPPFLAGS = \
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@ -36,6 +42,7 @@ pkglib_PROGRAMS += evas_init_shutdown
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evas_init_shutdown_SOURCES = evas-init-shutdown.c
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evas_init_shutdown_LDADD = $(top_builddir)/src/lib/libevas.la
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#the ones using ecore_evas follow
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AM_CPPFLAGS += @ECORE_EVAS_CFLAGS@
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pkglib_PROGRAMS += evas_load_error_str
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@ -50,15 +57,37 @@ pkglib_PROGRAMS += evas_object_manipulation
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evas_object_manipulation_SOURCES = evas-object-manipulation.c
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evas_object_manipulation_LDADD = $(top_builddir)/src/lib/libevas.la @ECORE_EVAS_LIBS@
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#the ones using ecore_evas and edje follow
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AM_CPPFLAGS += @EDJE_CFLAGS@
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pkglib_PROGRAMS += evas_aspect_hints
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evas_aspect_hints_DEPS = $(srcdir)/aspect.edc
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evas_aspect_hints_SOURCES = evas-aspect-hints.c
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evas_aspect_hints_LDADD = $(top_builddir)/src/lib/libevas.la @ECORE_EVAS_LIBS@ @EDJE_LIBS@
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aspect.edj: ${evas_aspect_hints_DEPS}
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.edc.edj:
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$(edje_cc) -v -id $(srcdir) $< $(builddir)/$(@F)
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EDJS = $(EDCS:%.edc=%.edj)
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files_DATA += $(EDJS)
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endif # if BUILD_EXAMPLES
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filesdir = $(datadir)/$(PACKAGE)/examples
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files_DATA = $(srcdir)/enlightenment.png \
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if INSTALL_EXAMPLES
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#put here additional data when installing examples
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files_DATA += $(srcdir)/enlightenment.png \
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$(srcdir)/red.png
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if INSTALL_EXAMPLES
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files_DATA += \
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$(EDCS) \
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$(srcdir)/evas-buffer-simple.c \
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$(srcdir)/evas-init-shutdown.c \
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$(srcdir)/evas-load-error-str.c
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$(srcdir)/evas-load-error-str.c \
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$(srcdir)/evas-object-manipulation.c \
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$(srcdir)/evas-events.c \
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$(srcdir)/evas-aspect-hints.c
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endif
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@ -0,0 +1,17 @@
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collections {
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group {
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name: "main";
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parts {
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part {
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name: "content";
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mouse_events: 0;
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type: SWALLOW;
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description {
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state: "default" 0.0;
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visible: 1;
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}
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}
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}
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}
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}
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@ -0,0 +1,249 @@
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/**
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* Simple Evas example illustrating aspect control hints on objects.
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*
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* You'll need at least one engine built for it (excluding the buffer
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* one) and the png image loader also built. See stdout/stderr for
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* output.
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*
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* You'll also need @b Edje for this one, as it has the only smart
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* object implementing aspect control for children.
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*
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* @verbatim
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* gcc -o evas-events evas-events.c `pkg-config --libs --cflags ecore-evas edje`
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* @endverbatim
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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#include <Edje.h>
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#include <stdio.h>
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#include <errno.h>
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#define WIDTH 320
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#define HEIGHT 480
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static const char *border_img_path = PACKAGE_EXAMPLES_DIR "/red.png";
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static const char *edje_file_path = PACKAGE_EXAMPLES_DIR "/aspect.edj";
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struct test_data
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{
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Ecore_Evas *ee;
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Evas *canvas;
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Evas_Object *bg, *rect, *container, *border;
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};
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static struct test_data d = {0};
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/* here just to keep our example's window size and background image's
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* size in synchrony */
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static void
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_canvas_resize_cb(Ecore_Evas *ee)
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{
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int w, h;
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ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
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evas_object_resize(d.bg, w, h);
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}
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static const char *
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_get_aspect_name(Evas_Aspect_Control aspect)
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{
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switch (aspect)
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{
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case 0:
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return "NONE";
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case 1:
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return "NEITHER";
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case 2:
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return "HORIZONTAL";
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case 3:
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return "VERTICAL";
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case 4:
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return "BOTH";
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default:
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return "INVALID";
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}
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}
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static void
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_on_keydown(void *data __UNUSED__,
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Evas *evas __UNUSED__,
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Evas_Object *o,
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void *einfo)
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{
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const Evas_Modifier *mods;
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Evas_Event_Key_Down *ev = einfo;
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mods = evas_key_modifier_get(evas_object_evas_get(o));
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if (evas_key_modifier_is_set(mods, "Shift") &&
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strcmp(ev->keyname, "h") == 0) /* print help */
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{
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fprintf(stdout, "commands are:\n"
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"\tc - cycle aspect control on object\n"
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"\th - change horizontal aspect component\n"
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"\tv - change vertical aspect component\n"
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"\ts - print current object's status\n"
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"\tH - print help\n");
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return;
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}
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if (strcmp(ev->keyname, "s") == 0) /* get aspect status of the obj */
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{
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Evas_Coord w, h;
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Evas_Aspect_Control aspect;
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evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
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fprintf(stdout, "Object has aspect %s, with horizontal compontent %d"
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" and vertical compontent %d\n",
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_get_aspect_name(aspect), w, h);
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return;
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}
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if (strcmp(ev->keyname, "c") == 0) /* cycle aspect control on obj */
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{
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Evas_Coord w, h;
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Evas_Aspect_Control aspect;
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evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
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aspect = (aspect + 1) % 5;
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evas_object_size_hint_aspect_set(d.rect, aspect, w, h);
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fprintf(stdout, "Changing aspect control to %s\n",
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_get_aspect_name(aspect));
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return;
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}
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if (strcmp(ev->keyname, "h") == 0) /* change horizontal aspect component */
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{
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Evas_Coord w, h;
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Evas_Aspect_Control aspect;
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evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
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w = (w + 1) % 3;
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evas_object_size_hint_aspect_set(d.rect, aspect, w, h);
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fprintf(stdout, "Changing horizontal aspect component to %d\n", w);
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return;
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}
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if (strcmp(ev->keyname, "v") == 0) /* change vertical aspect component */
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{
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Evas_Coord w, h;
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Evas_Aspect_Control aspect;
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evas_object_size_hint_aspect_get(d.rect, &aspect, &w, &h);
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h = (h + 1) % 3;
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evas_object_size_hint_aspect_set(d.rect, aspect, w, h);
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fprintf(stdout, "Changing vertical aspect component to %d\n", h);
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return;
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}
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}
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int
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main(void)
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{
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Eina_Bool ret;
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if (!ecore_evas_init())
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return EXIT_FAILURE;
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if (!edje_init())
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return EXIT_FAILURE;
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/* this will give you a window with an Evas canvas under the first
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* engine available */
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d.ee = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
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if (!d.ee)
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goto error;
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ecore_evas_callback_resize_set(d.ee, _canvas_resize_cb);
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ecore_evas_show(d.ee);
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/* the canvas pointer, de facto */
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d.canvas = ecore_evas_get(d.ee);
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d.bg = evas_object_rectangle_add(d.canvas);
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evas_object_color_set(d.bg, 255, 255, 255, 255); /* white bg */
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evas_object_move(d.bg, 0, 0); /* at canvas' origin */
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evas_object_resize(d.bg, WIDTH, HEIGHT); /* covers full canvas */
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evas_object_show(d.bg);
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evas_object_focus_set(d.bg, EINA_TRUE);
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evas_object_event_callback_add(
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d.bg, EVAS_CALLBACK_KEY_DOWN, _on_keydown, NULL);
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d.container = edje_object_add(d.canvas);
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ret = edje_object_file_set(d.container, edje_file_path, "main");
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if (!ret)
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{
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Edje_Load_Error err = edje_object_load_error_get(d.container);
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const char *msg = edje_load_error_str(err);
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fprintf(stderr, "could not load 'main' from %s: %s",
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edje_file_path, msg);
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goto panic;
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}
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evas_object_move(d.container, (WIDTH / 4), (HEIGHT / 4));
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evas_object_resize(d.container, (WIDTH / 2), (HEIGHT / 2));
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evas_object_show(d.container);
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d.rect = evas_object_rectangle_add(d.canvas);
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evas_object_color_set(d.rect, 0, 0, 255, 255);
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evas_object_size_hint_aspect_set(d.rect, EVAS_ASPECT_CONTROL_NONE, 1, 1);
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evas_object_show(d.rect);
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edje_object_part_swallow(d.container, "content", d.rect);
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evas_object_smart_changed(d.container);
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/* this is a border around the edje object, container of the
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* rectangle we are going to experiment with (change its aspect
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* hints). this way you can see how their sizes relate */
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d.border = evas_object_image_filled_add(d.canvas);
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evas_object_image_file_set(d.border, border_img_path, NULL);
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evas_object_image_border_set(d.border, 3, 3, 3, 3);
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evas_object_image_border_center_fill_set(d.border, EVAS_BORDER_FILL_NONE);
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evas_object_move(d.border, (WIDTH / 4) - 3, (HEIGHT / 4) - 3);
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evas_object_resize(d.border, (WIDTH / 2) + 6, (HEIGHT / 2) + 6);
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evas_object_show(d.border);
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ecore_main_loop_begin();
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ecore_evas_free(d.ee);
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ecore_evas_shutdown();
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edje_shutdown();
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return 0;
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error:
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fprintf(stderr, "you got to have at least one evas engine built and linked"
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" up to ecore-evas for this example to run properly.\n");
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panic:
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ecore_evas_free(d.ee);
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ecore_evas_shutdown();
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edje_shutdown();
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return -1;
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}
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@ -4340,6 +4340,13 @@ EAPI void evas_object_size_hint_request_set (Evas_Object *obj, Evas
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* @note Use @c NULL pointers on the hint components you're not
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* interested in: they'll be ignored by the function.
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*
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* Example:
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* @dontinclude evas-aspect-hints.c
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* @skip if (strcmp(ev->keyname, "c") == 0)
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* @until }
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*
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* See the full @ref Example_Evas_Aspect_Hints "example".
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*
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* @see evas_object_size_hint_aspect_set()
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*/
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EAPI void evas_object_size_hint_aspect_get (const Evas_Object *obj, Evas_Aspect_Control *aspect, Evas_Coord *w, Evas_Coord *h) EINA_ARG_NONNULL(1);
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Reference in New Issue