forked from enlightenment/efl
EFL Model Form View for MVC design
Elementary view that show an EFL.model and keep them synchronized
asynchronously.
The elm_view_form connects properties of a data model to different
widgets.
There is an example defined in src/examples/filemvc.c that also uses
a list view.
You can add widgets connected to properties using:
eo_do(formview, elm_view_form_widget_add("filename", _label_init(win, bxr, "File Name")));
@feature
This commit is contained in:
Larry Jr
Cedric BAIL
parent
bf082998cd
commit
bb02711ff8
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@ -33,6 +33,7 @@
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/fileselector_entry_example
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/fileselector_example
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/fileviewlist
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/filemvc
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/flip_example_01
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/flipselector_example
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/frame_example_01
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@ -69,6 +69,7 @@ fileselector_button_example.c \
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fileselector_entry_example.c \
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fileselector_example.c \
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fileviewlist.c \
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filemvc.c \
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flip_example_01.c \
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flipselector_example.c \
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frame_example_01.c \
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@ -222,6 +223,7 @@ fileselector_button_example \
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fileselector_entry_example \
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fileselector_example \
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fileviewlist \
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filemvc \
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flip_example_01 \
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flipselector_example \
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frame_example_01 \
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@ -0,0 +1,209 @@
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//#ifdef HAVE_CONFIG_H
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# include "../../elementary_config.h"
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//#endif
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#include <Elementary.h>
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#include <Efl.h>
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#include <Eio.h>
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#include <eio_model.eo.h>
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#include <stdio.h>
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#include <Eio.h>
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#include <elm_view_form.h>
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#define EFL_MODEL_TEST_FILENAME_PATH "/tmp"
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struct _Efl_Model_Test_Filemvc_Data
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{
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Eo *fileview;
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Eo *treeview;
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Eo *formview;
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Eo *treemodel;
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Evas_Object *thumb;
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char imagedefault_path[256];
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};
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typedef struct _Efl_Model_Test_Filemvc_Data Efl_Model_Test_Filemvc_Data;
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static void
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_cleanup_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Efl_Model_Test_Filemvc_Data *priv = (Efl_Model_Test_Filemvc_Data *)data;
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eo_unref(priv->fileview);
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eo_unref(priv->treeview);
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eo_unref(priv->formview);
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eo_unref(priv->treemodel);
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}
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static Eina_Bool
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_filter_cb(void *data EINA_UNUSED, Eio_File *handler EINA_UNUSED, const Eina_File_Direct_Info *info)
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{
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if (info->type == EINA_FILE_DIR && info->path[info->name_start] != '.') return EINA_TRUE;
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return EINA_FALSE;
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}
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static Eina_Bool
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_list_selected_cb(void *data EINA_UNUSED, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Efl_Model_Test_Filemvc_Data *priv = data;
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Eo *child = event_info;
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ethumb_client_file_free(elm_thumb_ethumb_client_get());
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printf("LIST selected model\n");
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eo_do(priv->formview, elm_view_form_model_set(child));
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return EINA_TRUE;
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}
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static Eina_Bool
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_tree_selected_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info)
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{
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Efl_Model_Test_Filemvc_Data *priv = data;
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Eo *child = event_info;
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const Eina_Value *vpath;
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Eo *model;
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char *path;
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printf("TREE selected model\n");
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eo_do(child, efl_model_property_get("path", &vpath));
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eina_value_get(vpath, &path);
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model = eo_add(EIO_MODEL_CLASS, NULL, eio_model_path_set(path));
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eo_do(model, efl_model_load());
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eo_do(priv->fileview, elm_view_list_model_set(model));
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return EINA_TRUE;
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}
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static void
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_widget_init(Evas_Object *widget)
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{
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evas_object_size_hint_weight_set(widget, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(widget, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(widget);
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}
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Evas_Object *
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_label_init(Evas_Object *win, Evas_Object *box, const char *text)
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{
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Evas_Object *widget = elm_label_add(win);
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elm_label_line_wrap_set(widget, ELM_WRAP_CHAR);
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elm_object_text_set(widget, text);
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elm_box_pack_end(box, widget);
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evas_object_size_hint_weight_set(widget, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_size_hint_align_set(widget, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(widget);
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return widget;
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}
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static void
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_thumb_error_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Efl_Model_Test_Filemvc_Data *priv = data;
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printf("thumbnail generation error.\n");
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elm_thumb_file_set(priv->thumb, priv->imagedefault_path, NULL);
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elm_thumb_reload(priv->thumb);
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}
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EAPI_MAIN int
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elm_main(int argc, char **argv)
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{
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Efl_Model_Test_Filemvc_Data priv;
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Evas_Object *win, *panes, *bxr, *genlist, *vpanes;
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Evas_Object *entry;
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char *dirname;
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memset(&priv, 0, sizeof(Efl_Model_Test_Filemvc_Data));
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elm_app_info_set(elm_main, "elementary", "images/logo.png");
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sprintf(priv.imagedefault_path, "%s/images/logo.png", elm_app_data_dir_get());
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//win
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win = elm_win_util_standard_add("viewlist", "Viewlist");
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elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
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elm_win_autodel_set(win, EINA_TRUE);
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panes = elm_panes_add(win);
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evas_object_size_hint_weight_set(panes, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_win_resize_object_add(win, panes);
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ecore_init();
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eio_init();
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if(argv[1] != NULL) dirname = argv[1];
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else dirname = EFL_MODEL_TEST_FILENAME_PATH;
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//treemodel
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priv.treemodel = eo_add(EIO_MODEL_CLASS, NULL, eio_model_path_set(dirname));
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eo_do(priv.treemodel, eio_model_children_filter_set(_filter_cb, NULL));
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eo_do(priv.treemodel, efl_model_load());
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//treeview
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genlist = elm_genlist_add(win);
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priv.treeview = eo_add(ELM_VIEW_LIST_CLASS, NULL, elm_view_list_genlist_set(genlist, ELM_GENLIST_ITEM_TREE, NULL));
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eo_do(priv.treeview, elm_view_list_property_connect("filename", "elm.text"),
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elm_view_list_property_connect("icon", "elm.swallow.icon"),
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elm_view_list_model_set(priv.treemodel));
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_widget_init(genlist);
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elm_object_part_content_set(panes, "left", genlist);
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eo_do(panes, elm_obj_panes_content_left_size_set(0.3));
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vpanes = elm_panes_add(win);
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_widget_init(vpanes);
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elm_object_part_content_set(panes, "right", vpanes);
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eo_do(priv.treeview, eo_event_callback_add(ELM_VIEW_LIST_EVENT_MODEL_SELECTED, _tree_selected_cb, &priv));
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//listview
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genlist = elm_genlist_add(win);
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priv.fileview = eo_add(ELM_VIEW_LIST_CLASS, NULL, elm_view_list_genlist_set(genlist, ELM_GENLIST_ITEM_NONE, "double_label"));
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eo_do(priv.fileview, elm_view_list_property_connect("filename", "elm.text"),
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elm_view_list_property_connect("size", "elm.text.sub"));
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evas_object_event_callback_add(win, EVAS_CALLBACK_DEL, _cleanup_cb, &priv);
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_widget_init(genlist);
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elm_object_part_content_set(vpanes, "left", genlist);
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eo_do(priv.fileview, eo_event_callback_add(ELM_VIEW_LIST_EVENT_MODEL_SELECTED, _list_selected_cb, &priv));
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//formview
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bxr = elm_box_add(win);
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_widget_init(bxr);
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elm_object_part_content_set(vpanes, "right", bxr);
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priv.formview = eo_add(ELM_VIEW_FORM_CLASS, NULL);
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/*Label widget */
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eo_do(priv.formview, elm_view_form_widget_add("filename", _label_init(win, bxr, "File Name")));
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_label_init(win, bxr, "Size:");
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eo_do(priv.formview, elm_view_form_widget_add("size", _label_init(win, bxr, "")));
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_label_init(win, bxr, "Modified:");
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eo_do(priv.formview, elm_view_form_widget_add("mtime", _label_init(win, bxr, "")));
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/* Entry widget */
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entry = elm_entry_add(win);
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elm_entry_single_line_set(entry, EINA_TRUE);
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evas_object_size_hint_weight_set(entry, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(bxr, entry);
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evas_object_show(entry);
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eo_do(priv.formview, elm_view_form_widget_add("path", entry));
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/* Thumb widget */
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elm_need_ethumb();
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priv.thumb = elm_thumb_add(win);
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_widget_init(priv.thumb);
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elm_box_pack_end(bxr, priv.thumb);
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elm_thumb_editable_set(priv.thumb, EINA_FALSE);
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eo_do(priv.formview, elm_view_form_widget_add("path", priv.thumb));
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evas_object_smart_callback_add(priv.thumb, "generate,error", _thumb_error_cb, &priv);
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evas_object_smart_callback_add(priv.thumb, "load,error", _thumb_error_cb, &priv);
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//showall
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evas_object_resize(win, 800, 400);
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evas_object_show(panes);
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evas_object_show(win);
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elm_run();
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elm_shutdown();
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ecore_shutdown();
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return 0;
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}
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ELM_MAIN()
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@ -261,6 +261,7 @@ EAPI extern Elm_Version *elm_version;
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#include <elm_transit.h>
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#include <elm_video.h>
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#include <elm_view_list.h>
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#include <elm_view_form.h>
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#include <elm_web.h>
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#include <elm_win.h>
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#include <elm_win_standard.h>
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@ -377,6 +377,7 @@ elm_video.h \
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elm_video_eo.h \
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elm_video_legacy.h \
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elm_view_list.h \
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elm_view_form.h \
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elm_web.h \
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elm_web_common.h \
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elm_web_eo.h \
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@ -502,6 +503,7 @@ elm_util.c \
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elm_url.c \
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elm_video.c \
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elm_view_list.c \
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elm_view_form.c \
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elm_web2.c \
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elm_widget.c \
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elm_win.c \
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@ -622,6 +624,7 @@ elm_thumb.eo \
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elm_toolbar.eo \
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elm_video.eo \
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elm_view_list.eo \
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elm_view_form.eo \
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elm_web.eo \
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elm_widget.eo \
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elm_win.eo \
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@ -0,0 +1,266 @@
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#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Eo.h>
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#include <Efl.h>
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#include <Elementary.h>
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#include "elm_view_form.h"
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#include "elm_view_list.h"
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#include "elm_priv.h"
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#include <assert.h>
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#define MY_CLASS ELM_VIEW_FORM_CLASS
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#define MY_CLASS_NAME "View_Form"
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typedef struct _Elm_View_Form_Data Elm_View_Form_Data;
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typedef struct _Elm_View_Form_Widget Elm_View_Form_Widget;
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/**
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* @brief Local-use callbacks
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*/
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typedef void (*Elm_View_Form_Event_Cb)(Elm_View_Form_Widget *, Elm_View_Form_Data *, Evas_Object *);
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typedef void (*Elm_View_Form_Widget_Object_Set_Cb)(Eo *, Evas_Object *, const Eina_Value *, const char *);
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struct _Elm_View_Form_Widget
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{
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Eina_Stringshare *widget_propname;
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Evas_Object *widget_obj;
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Elm_View_Form_Event_Cb widget_obj_value_update_cb;
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Elm_View_Form_Widget_Object_Set_Cb widget_obj_set_cb;
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};
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struct _Elm_View_Form_Data
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{
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Eo *model_obj;
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Eina_Value *properties;
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Eina_List *l;
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};
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static Eina_Bool
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_efl_model_properties_change_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info)
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{
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const Efl_Model_Property_Event *evt = event_info;
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const Eina_Value *value;
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const char *prop;
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unsigned int i;
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Elm_View_Form_Data *priv = data;
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Eina_List *l = NULL;
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Elm_View_Form_Widget *w = NULL;
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Eina_Array_Iterator it;
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EINA_SAFETY_ON_NULL_RETURN_VAL(priv, EINA_TRUE);
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EINA_SAFETY_ON_NULL_RETURN_VAL(evt, EINA_TRUE);
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if (!evt->changed_properties)
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return EINA_TRUE;
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//update all widgets with this property
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EINA_LIST_FOREACH(priv->l, l, w)
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{
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EINA_ARRAY_ITER_NEXT(evt->changed_properties, i, prop, it)
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{
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if (!strcmp(w->widget_propname, prop))
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{
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eo_do(priv->model_obj, efl_model_property_get(prop, &value));
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w->widget_obj_set_cb(priv->model_obj, w->widget_obj, value, w->widget_propname);
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}
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}
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}
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return EINA_TRUE;
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}
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static void
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_update_model_properties(Elm_View_Form_Data *priv)
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{
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const Eina_Value *value;
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Eina_List *l;
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Elm_View_Form_Widget *w;
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//update all widgets property
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EINA_LIST_FOREACH(priv->l, l, w)
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{
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eo_do(priv->model_obj, efl_model_property_get(w->widget_propname, &value));
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w->widget_obj_set_cb(priv->model_obj, w->widget_obj, value, w->widget_propname);
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}
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}
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/**
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* @brief Set widget.
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* Works, so far, for widget(s): Entry, Label
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*/
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static void
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_elm_evas_object_text_set_cb(Eo *obj EINA_UNUSED, Evas_Object *widget, const Eina_Value *value, const char *propname EINA_UNUSED)
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{
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const char *c_text = NULL;
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char *text = NULL;
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EINA_SAFETY_ON_NULL_RETURN(value);
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EINA_SAFETY_ON_NULL_RETURN(widget);
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text = eina_value_to_string(value);
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EINA_SAFETY_ON_NULL_RETURN(text);
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c_text = elm_object_text_get(widget);
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EINA_SAFETY_ON_NULL_RETURN(c_text);
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if (strcmp(text, c_text) != 0)
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{
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elm_object_text_set(widget, text);
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}
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free(text);
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}
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static void
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_elm_evas_object_thumb_set_cb(Eo *obj EINA_UNUSED, Evas_Object *thumb, const Eina_Value *value, const char *propname EINA_UNUSED)
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{
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char *filename = NULL;
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EINA_SAFETY_ON_NULL_RETURN(value);
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filename = eina_value_to_string(value);
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EINA_SAFETY_ON_NULL_RETURN(filename);
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if (strlen(filename) < PATH_MAX)
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{
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elm_thumb_file_set(thumb, filename, NULL);
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elm_thumb_reload(thumb);
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}
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free(filename);
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}
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/**
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* @brief Evas object callback implementation.
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* Updates Widget's value if not the same object
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* and the widget itself.
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*/
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static void
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_elm_evas_object_text_changed_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
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{
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Eina_Value value;
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Eina_List *l;
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Elm_View_Form_Data *priv = (Elm_View_Form_Data *)data;
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Elm_View_Form_Widget *w = NULL;
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EINA_LIST_FOREACH(priv->l, l, w)
|
||||
{
|
||||
if (w->widget_obj == obj)
|
||||
break;
|
||||
}
|
||||
|
||||
EINA_SAFETY_ON_NULL_RETURN(w);
|
||||
eina_value_setup(&value, EINA_VALUE_TYPE_STRING);
|
||||
eina_value_set(&value, elm_object_text_get(obj));
|
||||
eo_do(priv->model_obj, efl_model_property_set(w->widget_propname, &value));
|
||||
eina_value_flush(&value);
|
||||
}
|
||||
/**
|
||||
* @brief Add new widget object.
|
||||
* Adds new widget object on the list
|
||||
* and perform initial setup.
|
||||
*/
|
||||
static Eina_Bool
|
||||
_elm_view_widget_add(Elm_View_Form_Data *priv, const char *propname, Evas_Object *widget_obj)
|
||||
{
|
||||
const Eina_Value *value = NULL;
|
||||
Elm_View_Form_Widget *w = calloc(1, sizeof(Elm_View_Form_Widget));
|
||||
EINA_SAFETY_ON_NULL_RETURN_VAL(w, EINA_FALSE);
|
||||
|
||||
w->widget_propname = eina_stringshare_add(propname);
|
||||
w->widget_obj = widget_obj;
|
||||
priv->l = eina_list_append(priv->l, w);
|
||||
|
||||
if(eo_isa(widget_obj, ELM_ENTRY_CLASS))
|
||||
{
|
||||
w->widget_obj_set_cb = _elm_evas_object_text_set_cb;
|
||||
evas_object_event_callback_add(w->widget_obj, EVAS_CALLBACK_KEY_DOWN, _elm_evas_object_text_changed_cb, priv);
|
||||
}
|
||||
else if(eo_isa(widget_obj, ELM_LABEL_CLASS))
|
||||
{
|
||||
w->widget_obj_set_cb = _elm_evas_object_text_set_cb;
|
||||
}
|
||||
else if(eo_isa(widget_obj, ELM_THUMB_CLASS))
|
||||
{
|
||||
w->widget_obj_set_cb = _elm_evas_object_thumb_set_cb;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Widget yet not supported
|
||||
EINA_SAFETY_ON_NULL_RETURN_VAL(NULL, EINA_FALSE);
|
||||
}
|
||||
|
||||
eo_do(priv->model_obj, efl_model_property_get(propname, &value));
|
||||
if (value)
|
||||
{
|
||||
w->widget_obj_set_cb(priv->model_obj, w->widget_obj, value, w->widget_propname);
|
||||
}
|
||||
|
||||
return EINA_TRUE;
|
||||
}
|
||||
/**
|
||||
* Helper functions - End
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* @brief constructor
|
||||
*/
|
||||
static Eo_Base*
|
||||
_elm_view_form_eo_base_constructor(Eo *obj EINA_UNUSED, Elm_View_Form_Data *_pd)
|
||||
{
|
||||
Elm_View_Form_Data *priv = (Elm_View_Form_Data *)_pd;
|
||||
priv->model_obj = NULL;
|
||||
|
||||
eo_do_super(obj, MY_CLASS, eo_constructor());
|
||||
|
||||
return obj;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief destructor
|
||||
*/
|
||||
static void
|
||||
_elm_view_form_eo_base_destructor(Eo *obj, Elm_View_Form_Data *priv)
|
||||
{
|
||||
Elm_View_Form_Widget *w = NULL;
|
||||
EINA_LIST_FREE(priv->l, w)
|
||||
{
|
||||
eina_stringshare_del(w->widget_propname);
|
||||
free(w);
|
||||
}
|
||||
|
||||
eo_do_super(obj, MY_CLASS, eo_destructor());
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
_elm_view_form_model_set(Eo *obj EINA_UNUSED, Elm_View_Form_Data *priv, Eo *model)
|
||||
{
|
||||
if (priv->model_obj != NULL)
|
||||
{
|
||||
eo_do(priv->model_obj, eo_event_callback_del(EFL_MODEL_BASE_EVENT_PROPERTIES_CHANGED, _efl_model_properties_change_cb, priv));
|
||||
eo_unref(priv->model_obj);
|
||||
}
|
||||
|
||||
priv->model_obj = model;
|
||||
|
||||
if (priv->model_obj != NULL)
|
||||
{
|
||||
eo_ref(priv->model_obj);
|
||||
eo_do(priv->model_obj, eo_event_callback_add(EFL_MODEL_BASE_EVENT_PROPERTIES_CHANGED, _efl_model_properties_change_cb, priv));
|
||||
_update_model_properties(priv);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_elm_view_form_widget_add(Eo *obj EINA_UNUSED, Elm_View_Form_Data *priv, const char *propname, Evas_Object *evas)
|
||||
{
|
||||
Eina_Bool status;
|
||||
|
||||
EINA_SAFETY_ON_NULL_RETURN(evas);
|
||||
EINA_SAFETY_ON_NULL_RETURN(propname);
|
||||
|
||||
status = _elm_view_widget_add(priv, propname, evas);
|
||||
EINA_SAFETY_ON_FALSE_RETURN(status);
|
||||
}
|
||||
|
||||
#include "elm_view_form.eo.c"
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
class Elm_View_Form (Eo.Base)
|
||||
{
|
||||
legacy_prefix: null;
|
||||
methods {
|
||||
model_set {
|
||||
/*@ Set model
|
||||
@def elm_view_form_model_set
|
||||
@since 1.11 */
|
||||
params {
|
||||
@in model: Efl.Model.Base*; /*@ Emodel object */
|
||||
}
|
||||
}
|
||||
widget_add {
|
||||
/*@ Add new widget
|
||||
@def elm_view_form_widget_add
|
||||
@since 1.11 */
|
||||
params {
|
||||
@in propname: const(char)*; /*@ Property name */
|
||||
@in evas: Evas_Object*; /*@ Evas widget */
|
||||
}
|
||||
}
|
||||
}
|
||||
implements {
|
||||
Eo.Base.destructor;
|
||||
Eo.Base.constructor;
|
||||
}
|
||||
constructors {
|
||||
.model_set;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
|
||||
#ifdef EFL_EO_API_SUPPORT
|
||||
#ifndef ELM_VIEW_FORM_H
|
||||
#define ELM_VIEW_FORM_H
|
||||
|
||||
#include <Efl.h>
|
||||
#include <elm_view_form.eo.h>
|
||||
|
||||
#endif
|
||||
#endif
|
||||
Loading…
Reference in New Issue