2 //gcc -o transit_example_03 transit_example_03.c `pkg-config --cflags --libs elementary` -DDATA_DIR="\"<directory>\""
3 //where directory is the a path where images/icon_07.png can be found.
5 #include <Elementary.h>
7 /* structure to hold context for many callbacks */
10 Eina_Bool events_enabled;
11 Eina_Bool auto_reverse;
12 Eina_Bool final_state_keep;
14 Elm_Transit_Tween_Mode tween_mode;
19 _transit_translation(Elm_Transit *trans)
21 /* considering the original position (x0, y0), moves the object from
22 * (x0 - 20, y0 - 50) to (x0 + 70, y0 + 150) */
23 elm_transit_effect_translation_add(trans, -20, -50, 70, 150);
27 _transit_color(Elm_Transit *trans)
29 /* changes the object color from 100, 255, 100, 255 to
31 elm_transit_effect_color_add(trans, 100, 255, 100, 255, 40, 10, 40, 50);
35 _transit_rotation(Elm_Transit *trans)
37 /* rotates the object from its original angle to 135 degrees to the right */
38 elm_transit_effect_rotation_add(trans, 0.0, 135.0);
42 _transit_wipe(Elm_Transit *trans)
44 /* hide the object clipping it from the left to the right */
45 elm_transit_effect_wipe_add(trans,
46 ELM_TRANSIT_EFFECT_WIPE_TYPE_HIDE,
47 ELM_TRANSIT_EFFECT_WIPE_DIR_RIGHT);
51 _transit_zoom(Elm_Transit *trans)
53 /* zoom the object from its original size to 2x */
54 elm_transit_effect_zoom_add(trans, 1.0, 2.0);
58 _transit_resizing(Elm_Transit *trans)
60 /* resize the object from 250x100 to 400x160 */
61 elm_transit_effect_resizing_add(trans, 250, 100, 400, 160);
64 /* helper structure that will hold the transit checkboxes string, callbacks
65 * and checked statuses */
68 void (*transition_add_cb)(Elm_Transit *);
71 { "Translation", _transit_translation, EINA_FALSE },
72 { "Color", _transit_color, EINA_FALSE },
73 { "Rotation", _transit_rotation, EINA_FALSE },
74 { "Wipe", _transit_wipe, EINA_FALSE },
75 { "Zoom", _transit_zoom, EINA_FALSE },
76 { "Resizing", _transit_resizing, EINA_FALSE },
77 { NULL, NULL, EINA_FALSE }
80 /* add a checkbox to the box with the given label, and uses the checked
81 * pointer as state_pointer to this checkbox */
83 _checkbox_transition_add(Evas_Object *box, const char *label, Eina_Bool *checked)
85 Evas_Object *check = elm_check_add(elm_object_parent_widget_get(box));
86 evas_object_size_hint_weight_set(check, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
87 evas_object_size_hint_align_set(check, 0.0, 0.0);
88 elm_object_text_set(check, label);
89 elm_check_state_pointer_set(check, checked);
90 elm_box_pack_end(box, check);
91 evas_object_show(check);
95 _transit_start(void *data, Evas_Object *o, void *event_info)
97 Elm_Transit *trans = NULL;
99 struct Context *ctxt = data;
100 Evas_Object *obj = ctxt->obj; // the object on which the transition will be
103 // FIXME: Should check if there's another transit going before starting a new
106 /* initialization: create the transition and add the object to it */
107 trans = elm_transit_add();
108 elm_transit_object_add(trans, obj);
110 /* from our helper structure and array, check if the specified transition is
111 * checked and use its callback to add this transition to trans */
112 for (i = 0; _transitions[i].label; i++)
114 if (_transitions[i].checked)
115 _transitions[i].transition_add_cb(trans);
118 /* get the various options for this transition from the context structure */
119 elm_transit_event_enabled_set(trans, ctxt->events_enabled);
120 elm_transit_auto_reverse_set(trans, ctxt->auto_reverse);
121 elm_transit_objects_final_state_keep_set(trans, ctxt->final_state_keep);
122 elm_transit_tween_mode_set(trans, ctxt->tween_mode);
123 elm_transit_repeat_times_set(trans, ctxt->repeat_times);
125 /* set the transition time to 2 seconds and start it */
126 elm_transit_duration_set(trans, 2.0);
127 elm_transit_go(trans);
130 /* callback useful just to know whether we can receive events from the
133 _object_clicked(void *data, Evas_Object *o, void *event_info)
135 printf("object clicked!\n");
138 /* update our context with the given value for repeat count */
140 _cb_repeat_changed(void *data, Evas_Object *obj, void *event)
142 int *repeat_cnt = data;
144 *repeat_cnt = elm_spinner_value_get(obj);
147 /* update our context with the given tween mode for the transition */
149 _cb_tween_changed(void *data, Evas_Object *obj, void *event)
151 Elm_Transit_Tween_Mode *mode = data;
154 val = elm_spinner_value_get(obj);
156 *mode = ELM_TRANSIT_TWEEN_MODE_LINEAR;
158 *mode = ELM_TRANSIT_TWEEN_MODE_SINUSOIDAL;
160 *mode = ELM_TRANSIT_TWEEN_MODE_DECELERATE;
162 *mode = ELM_TRANSIT_TWEEN_MODE_ACCELERATE;
166 elm_main(int argc, char **argv)
168 Evas_Object *win, *obj, *icon, *box, *vbox, *vbox2, *hbox, *btn;
169 Evas_Object *cbox, *dummy, *spinner;
172 struct Context context;
174 /* initialize our context */
175 context.events_enabled = EINA_FALSE;
176 context.auto_reverse = EINA_FALSE;
177 context.final_state_keep = EINA_FALSE;
178 context.repeat_times = 0;
179 context.tween_mode = ELM_TRANSIT_TWEEN_MODE_LINEAR;
181 elm_app_info_set(elm_main, "elementary", "images/icon_07.png");
182 elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
185 win = elm_win_util_standard_add("transit", "Transit Example");
186 elm_win_autodel_set(win, EINA_TRUE);
188 /* add a vertical box that will hold everything */
189 box = elm_box_add(win);
190 evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
191 elm_win_resize_object_add(win, box);
192 evas_object_show(box);
194 /* a dummy background to create some space for the animation */
195 dummy = elm_bg_add(win);
196 evas_object_size_hint_weight_set(dummy, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
197 elm_box_pack_end(box, dummy);
198 evas_object_show(dummy);
200 /* add an object that we are going to play with */
201 /* this object isn't packed inside the box because we don't want it to have
202 * its size, position, aspect or anything else controled by the container */
203 obj = elm_button_add(win);
204 elm_object_text_set(obj, "Transformed object!");
205 icon = elm_icon_add(win);
206 snprintf(buf, sizeof(buf), "%s/images/icon_07.png", elm_app_data_dir_get());
207 elm_image_file_set(icon, buf, NULL);
208 elm_object_part_content_set(obj, "icon", icon);
209 evas_object_move(obj, 160, 60);
210 evas_object_resize(obj, 250, 100);
211 evas_object_show(obj);
214 /* a callback to know if clicks are being received */
215 evas_object_smart_callback_add(obj, "clicked", _object_clicked, NULL);
217 /* button to start our transition */
218 btn = elm_button_add(win);
219 evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
220 elm_object_text_set(btn, "Transit!");
221 elm_box_pack_end(box, btn);
222 evas_object_show(btn);
223 evas_object_smart_callback_add(btn, "clicked", _transit_start, &context);
225 /* horizontal box to help visual organization */
226 hbox = elm_box_add(win);
227 elm_box_horizontal_set(hbox, EINA_TRUE);
228 evas_object_size_hint_weight_set(hbox, EVAS_HINT_EXPAND, EVAS_HINT_FILL);
229 evas_object_size_hint_align_set(hbox, EVAS_HINT_FILL, 0.0);
230 elm_box_pack_end(box, hbox);
231 evas_object_show(hbox);
233 /* horizontal box that will hold the many transition checkboxes */
234 vbox = elm_box_add(win);
235 evas_object_size_hint_weight_set(vbox, EVAS_HINT_EXPAND, EVAS_HINT_FILL);
236 evas_object_size_hint_align_set(vbox, EVAS_HINT_FILL, 0.0);
238 /* create the respective checkboxes based on our helper structure and
240 for (i = 0; _transitions[i].label; i++)
241 _checkbox_transition_add(vbox, _transitions[i].label,
242 &_transitions[i].checked);
244 elm_box_pack_end(hbox, vbox);
245 evas_object_show(vbox);
247 /* vertical box that will hold the many transition option checkboxes */
248 vbox2 = elm_box_add(win);
249 evas_object_size_hint_weight_set(vbox2, EVAS_HINT_EXPAND, EVAS_HINT_FILL);
250 evas_object_size_hint_align_set(vbox2, EVAS_HINT_FILL, 0.0);
251 elm_box_pack_end(hbox, vbox2);
252 evas_object_show(vbox2);
254 /* the rest of this code adds widgets to control some of the behavior of
256 cbox = elm_check_add(win);
257 evas_object_size_hint_weight_set(cbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
258 evas_object_size_hint_align_set(cbox, 0.0, 0.0);
259 elm_object_text_set(cbox, "Events enabled");
260 elm_check_state_pointer_set(cbox, &context.events_enabled);
261 elm_box_pack_end(vbox2, cbox);
262 evas_object_show(cbox);
264 cbox = elm_check_add(win);
265 evas_object_size_hint_weight_set(cbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
266 evas_object_size_hint_align_set(cbox, 0.0, 0.0);
267 elm_object_text_set(cbox, "Auto reverse");
268 elm_check_state_pointer_set(cbox, &context.auto_reverse);
269 elm_box_pack_end(vbox2, cbox);
270 evas_object_show(cbox);
272 cbox = elm_check_add(win);
273 evas_object_size_hint_weight_set(cbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
274 evas_object_size_hint_align_set(cbox, 0.0, 0.0);
275 elm_object_text_set(cbox, "Keep final state");
276 elm_check_state_pointer_set(cbox, &context.final_state_keep);
277 elm_box_pack_end(vbox2, cbox);
278 evas_object_show(cbox);
280 spinner = elm_spinner_add(win);
281 elm_object_style_set(spinner, "vertical");
282 elm_spinner_min_max_set(spinner, 0, 4);
283 elm_spinner_label_format_set(spinner, "%.0f");
284 elm_spinner_editable_set(spinner, EINA_FALSE);
285 evas_object_size_hint_weight_set(spinner, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
286 evas_object_size_hint_align_set(spinner, 0.0, EVAS_HINT_FILL);
287 evas_object_smart_callback_add(spinner, "changed", _cb_repeat_changed, &context.repeat_times);
288 elm_box_pack_end(vbox2, spinner);
289 evas_object_show(spinner);
291 spinner = elm_spinner_add(win);
292 elm_object_style_set(spinner, "vertical");
293 elm_spinner_min_max_set(spinner, 1, 4);
294 elm_spinner_label_format_set(spinner, "%.0f");
295 elm_spinner_editable_set(spinner, EINA_FALSE);
296 elm_spinner_special_value_add(spinner, 1, "linear");
297 elm_spinner_special_value_add(spinner, 2, "sinusoidal");
298 elm_spinner_special_value_add(spinner, 3, "decelerate");
299 elm_spinner_special_value_add(spinner, 4, "accelerate");
300 evas_object_size_hint_weight_set(spinner, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
301 evas_object_size_hint_align_set(spinner, 0.0, EVAS_HINT_FILL);
302 evas_object_smart_callback_add(spinner, "changed", _cb_tween_changed, &context.tween_mode);
303 elm_box_pack_end(vbox2, spinner);
304 evas_object_show(spinner);
306 evas_object_show(win);