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web_example_02.c
/*
* gcc -o web_example_02 web_example_02.c `pkg-config --cflags --libs elementary ewebkit` -D_GNU_SOURCE
*/
#define _GNU_SOURCE
#include <Elementary.h>
#ifdef HAVE_ELEMENTARY_WEB
#include <EWebKit.h>
#endif
typedef struct _Tab_Data Tab_Data;
typedef struct
{
Evas_Object *win;
Evas_Object *main_box;
Evas_Object *naviframe;
Evas_Object *url_entry;
Evas_Object *default_web;
Evas_Object *tabs;
Evas_Object *close_tab;
Evas_Object *search_box;
Evas_Object *search_entry;
struct {
Evas_Object *back;
Evas_Object *fwd;
Evas_Object *refresh;
} nav;
Tab_Data *current_tab;
Eina_Bool exiting : 1;
} App_Data;
struct _Tab_Data
{
Evas_Object *web;
App_Data *app;
Elm_Object_Item *tab;
};
static Evas_Object * _web_create_window_cb(void *data, Evas_Object *obj, Eina_Bool js, const Elm_Web_Window_Features *wf);
static void
nav_button_update(App_Data *ad)
{
Eina_Bool back, fwd;
back = !elm_web_back_possible_get(ad->current_tab->web);
fwd = !elm_web_forward_possible_get(ad->current_tab->web);
elm_object_disabled_set(ad->nav.back, back);
elm_object_disabled_set(ad->nav.fwd, fwd);
}
static void
tab_current_set(Tab_Data *td)
{
const char *url;
if (td == td->app->current_tab)
return;
td->app->current_tab = td;
url = elm_web_url_get(td->web);
elm_object_text_set(td->app->url_entry, url);
nav_button_update(td->app);
elm_entry_icon_visible_set(td->app->url_entry, EINA_TRUE);
elm_naviframe_item_simple_promote(td->app->naviframe, td->web);
}
static void
_tab_clicked_cb(void *data, Evas_Object *obj, void *event_info)
{
Tab_Data *td = data;
/* the first toolbar_item_append() calls the select callback before the item
* is assigned, so we need a workaround for that. */
if (!td->tab)
td->tab = event_info;
tab_current_set(td);
}
static void
_title_changed_cb(void *data, Evas_Object *obj, void *event_info)
{
Tab_Data *td = data;
const char *title = event_info;
char buf[20] = "";
if (title)
strncpy(buf, title, sizeof(buf) - 1);
elm_object_item_text_set(td->tab, buf);
}
static void
_url_changed_cb(void *data, Evas_Object *obj, void *event_info)
{
Tab_Data *td = data;
const char *url = event_info;
if (td != td->app->current_tab)
return;
nav_button_update(td->app);
elm_object_text_set(td->app->url_entry, url);
}
static void
_web_free_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Tab_Data *td = data;
if (td->tab)
elm_object_item_del(td->tab);
free(td);
}
static void
_tb_item_del_cb(void *data, Evas_Object *obj, void *event_info)
{
Tab_Data *td = data;
if (!td->app->exiting && !elm_toolbar_selected_item_get(obj))
{
td->app->current_tab = NULL;
elm_entry_icon_visible_set(td->app->url_entry, EINA_FALSE);
if (td->app->search_box)
evas_object_del(td->app->search_box);
}
td->tab = NULL;
}
Tab_Data *
tab_add(App_Data *ad)
{
Tab_Data *td;
td = calloc(1, sizeof(Tab_Data));
if (!td) return NULL;
td->web = elm_web_add(ad->win);
elm_web_window_create_hook_set(td->web, _web_create_window_cb, ad);
elm_web_inwin_mode_set(td->web, EINA_TRUE);
evas_object_size_hint_weight_set(td->web, EVAS_HINT_EXPAND,
EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(td->web, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_naviframe_item_simple_push(ad->naviframe, td->web);
td->app = ad;
td->tab = elm_toolbar_item_append(td->app->tabs, NULL, "New tab",
_tab_clicked_cb, td);
elm_object_item_del_cb_set(td->tab, _tb_item_del_cb);
evas_object_data_set(td->web, "tab_data", td);
evas_object_smart_callback_add(td->web, "title,changed", _title_changed_cb,
td);
evas_object_smart_callback_add(td->web, "url,changed", _url_changed_cb, td);
evas_object_event_callback_add(td->web, EVAS_CALLBACK_FREE, _web_free_cb,
td);
elm_toolbar_item_selected_set(td->tab, EINA_TRUE);
return td;
}
static char *
url_sanitize(const char *url)
{
char *fixed_url;
char *schema;
char *tmp;
if (!url || !*url) return NULL;
tmp = strstr(url, "://");
if (!tmp || (tmp == url) || (tmp > (url + 15)))
{
char *new_url = NULL;
if (ecore_file_exists(url))
{
schema = "file";
new_url = ecore_file_realpath(url);
}
else
schema = "http";
if (asprintf(&fixed_url, "%s://%s", schema, new_url ? new_url : url) >
0)
{
free(new_url);
return fixed_url;
}
free(new_url);
}
else
return strdup(url);
return NULL;
}
static void
tab_url_set(Tab_Data *td, const char *url)
{
char *sane_url = url_sanitize(url);
elm_web_url_set(td->web, sane_url);
free(sane_url);
}
static void
_url_entry_activated_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
Tab_Data *td;
const char *url = eina_stringshare_ref(elm_object_text_get(obj));
if (!ad->current_tab)
td = tab_add(ad);
else
td = ad->current_tab;
tab_url_set(td, url);
eina_stringshare_del(url);
}
static void
_nav_back_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
elm_web_back(ad->current_tab->web);
}
static void
_nav_refresh_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
const Evas_Modifier *mods = evas_key_modifier_get(evas_object_evas_get(obj));
if (evas_key_modifier_is_set(mods, "Shift"))
elm_web_reload_full(ad->current_tab->web);
else
elm_web_reload(ad->current_tab->web);
}
static void
_nav_fwd_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
elm_web_forward(ad->current_tab->web);
}
static void
_close_tab_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
if (!ad->current_tab)
return;
evas_object_del(ad->current_tab->web);
}
static void
_add_tab_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
tab_add(ad);
elm_object_focus_set(ad->url_entry, EINA_TRUE);
}
static Evas_Object *
_web_create_window_cb(void *data, Evas_Object *obj, Eina_Bool js, const Elm_Web_Window_Features *wf)
{
App_Data *ad = data;
Tab_Data *td;
td = tab_add(ad);
return td->web;
}
static void
_win_del_request_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
ad->exiting = EINA_TRUE;
}
static void
_win_free_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
free(data);
}
static void
_search_entry_changed_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
const char *text;
text = elm_object_text_get(obj);
elm_web_text_search(ad->current_tab->web, text, EINA_FALSE, EINA_TRUE,
EINA_TRUE);
elm_web_text_matches_unmark_all(ad->current_tab->web);
elm_web_text_matches_mark(ad->current_tab->web, text, EINA_FALSE, EINA_TRUE,
0);
}
static void
_search_entry_activate_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
const char *text;
text = elm_object_text_get(obj);
elm_web_text_search(ad->current_tab->web, text, EINA_FALSE, EINA_TRUE,
EINA_TRUE);
}
static void
_search_next_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
const char *text;
text = elm_object_text_get(ad->search_entry);
elm_web_text_search(ad->current_tab->web, text, EINA_FALSE, EINA_TRUE,
EINA_TRUE);
}
static void
_search_prev_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
const char *text;
text = elm_object_text_get(ad->search_entry);
elm_web_text_search(ad->current_tab->web, text, EINA_FALSE, EINA_FALSE,
EINA_TRUE);
}
static void
_search_close_cb(void *data, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
evas_object_del(ad->search_box);
}
static void
_search_box_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
App_Data *ad = data;
ad->search_box = NULL;
ad->search_entry = NULL;
}
static void
_win_search_trigger_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Evas_Event_Key_Down *ev = event_info;
App_Data *ad = data;
Evas_Object *box, *box2, *entry, *btn, *ic;
if (strcmp(ev->keyname, "f") ||
!evas_key_modifier_is_set(ev->modifiers, "Control"))
return;
if (ad->search_box || !ad->current_tab)
return;
box = elm_box_add(ad->win);
elm_box_horizontal_set(box, EINA_TRUE);
evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_after(ad->main_box, box, ad->url_entry);
evas_object_show(box);
evas_object_event_callback_add(box, EVAS_CALLBACK_DEL, _search_box_del_cb,
ad);
entry = elm_entry_add(ad->win);
elm_entry_single_line_set(entry, EINA_TRUE);
elm_entry_scrollable_set(entry, EINA_TRUE);
evas_object_size_hint_weight_set(entry, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(entry, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, entry);
evas_object_show(entry);
evas_object_smart_callback_add(entry, "changed", _search_entry_changed_cb,
ad);
evas_object_smart_callback_add(entry, "activated", _search_entry_activate_cb,
ad);
box2 = elm_box_add(ad->win);
elm_box_horizontal_set(box2, EINA_TRUE);
elm_object_part_content_set(entry, "end", box2);
btn = elm_button_add(ad->win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
ic = elm_icon_add(ad->win);
elm_icon_standard_set(ic, "arrow_up");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _search_prev_cb, ad);
btn = elm_button_add(ad->win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
ic = elm_icon_add(ad->win);
elm_icon_standard_set(ic, "arrow_down");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _search_next_cb, ad);
btn = elm_button_add(ad->win);
elm_box_pack_end(box, btn);
evas_object_show(btn);
ic = elm_icon_add(ad->win);
elm_icon_standard_set(ic, "close");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _search_close_cb, ad);
ad->search_box = box;
ad->search_entry = entry;
elm_object_focus_set(entry, EINA_TRUE);
}
static void
default_content_set(Evas_Object *web)
{
#ifdef HAVE_ELEMENTARY_WEB
Evas_Object *view, *frame;
const char contents[] = ""
"<html>\n"
" <head>\n"
" <title>Nothing to see here, move along</title>\n"
" </head>\n"
" <body>\n"
" <a href=\"http://www.enlightenment.org\" target=\"_blank\">E</a>\n"
" <br />\n"
" <a href=\"http://www.google.com\" target=\"_blank\">Google</a>\n"
" <br />\n"
" </body>\n"
"</html>\n";
view = elm_web_webkit_view_get(web);
frame = ewk_view_frame_main_get(view);
ewk_frame_contents_set(frame, contents, sizeof(contents) - 1, "text/html",
"UTF-8", NULL);
#else
(void) web;
#endif
}
EAPI_MAIN int
elm_main(int argc, char *argv[])
{
Evas_Object *win, *box, *box2, *btn, *ic, *url_bar, *naviframe, *tabs, *web;
Evas *e;
Evas_Modifier_Mask ctrl_mask;
App_Data *ad;
if (!elm_need_web())
return -1;
ad = calloc(1, sizeof(App_Data));
if (!ad) return -1;
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
win = elm_win_util_standard_add("example-web", "Web Example");
elm_win_autodel_set(win, EINA_TRUE);
e = evas_object_evas_get(win);
ctrl_mask = evas_key_modifier_mask_get(e, "Control");
if (!evas_object_key_grab(win, "f", ctrl_mask, 0, EINA_TRUE))
fprintf(stderr, "Could not grab trigger for search dialog\n");
evas_object_smart_callback_add(win, "delete,request", _win_del_request_cb,
ad);
evas_object_event_callback_add(win, EVAS_CALLBACK_KEY_DOWN,
_win_search_trigger_cb, ad);
evas_object_event_callback_add(win, EVAS_CALLBACK_FREE, _win_free_cb, ad);
box = elm_box_add(win);
evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, box);
evas_object_show(box);
url_bar = elm_entry_add(win);
elm_entry_single_line_set(url_bar, EINA_TRUE);
elm_entry_scrollable_set(url_bar, EINA_TRUE);
evas_object_size_hint_weight_set(url_bar, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(url_bar, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, url_bar);
evas_object_show(url_bar);
evas_object_smart_callback_add(url_bar, "activated", _url_entry_activated_cb, ad);
box2 = elm_box_add(win);
elm_box_horizontal_set(box2, EINA_TRUE);
elm_object_part_content_set(url_bar, "icon", box2);
elm_entry_icon_visible_set(url_bar, EINA_FALSE);
btn = elm_button_add(win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
ad->nav.back = btn;
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "arrow_left");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _nav_back_cb, ad);
btn = elm_button_add(win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
ad->nav.refresh = btn;
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "refresh");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _nav_refresh_cb, ad);
btn = elm_button_add(win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
ad->nav.fwd = btn;
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "arrow_right");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _nav_fwd_cb, ad);
box2 = elm_box_add(win);
elm_box_horizontal_set(box2, EINA_TRUE);
evas_object_size_hint_weight_set(box2, EVAS_HINT_EXPAND, 0.0);
evas_object_size_hint_align_set(box2, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, box2);
evas_object_show(box2);
btn = elm_button_add(win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "file");
elm_object_part_content_set(btn, "icon", ic);
evas_object_smart_callback_add(btn, "clicked", _add_tab_cb, ad);
tabs = elm_toolbar_add(win);
elm_toolbar_align_set(tabs, 0.0);
elm_toolbar_select_mode_set(tabs, ELM_OBJECT_SELECT_MODE_ALWAYS);
elm_toolbar_homogeneous_set(tabs, EINA_FALSE);
elm_toolbar_shrink_mode_set(tabs, ELM_TOOLBAR_SHRINK_MENU);
evas_object_size_hint_weight_set(tabs, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(tabs, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box2, tabs);
evas_object_show(tabs);
btn = elm_button_add(win);
elm_box_pack_end(box2, btn);
evas_object_show(btn);
evas_object_smart_callback_add(btn, "clicked", _close_tab_cb, ad);
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "close");
elm_object_part_content_set(btn, "icon", ic);
naviframe = elm_naviframe_add(win);
evas_object_size_hint_weight_set(naviframe, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(naviframe, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, naviframe);
evas_object_show(naviframe);
elm_toolbar_menu_parent_set(tabs, naviframe);
web = elm_web_add(win);
elm_web_window_create_hook_set(web, _web_create_window_cb, ad);
elm_web_history_enabled_set(web, EINA_FALSE);
evas_object_size_hint_weight_set(web, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(web, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_naviframe_item_simple_push(naviframe, web);
default_content_set(web);
ad->win = win;
ad->main_box = box;
ad->naviframe = naviframe;
ad->url_entry = url_bar;
ad->default_web = web;
ad->tabs = tabs;
ad->close_tab = btn;
evas_object_resize(win, 480, 640);
evas_object_show(win);
elm_run();
elm_shutdown();
return 0;
}
ELM_MAIN()

Copyright ©2000-2014 Enlightenment.org - Samsung Electronics supports the EFL Documentation Project - Generated Wed Jan 8 2014 20:51:01