src/examples/box_example_02.c

   1 #include <Elementary.h>
   2 #ifdef HAVE_CONFIG_H
   3 # include "elementary_config.h"
   4 #else
   5 # define __UNUSED__
   6 #endif
   7
   8 typedef struct
   9 {
  10    Eina_List *transitions;
  11    Evas_Object *box;
  12    Evas_Object_Box_Layout last_layout;
  13 } Transitions_Data;
  14
  15 static void
  16 _add_cb(void *data, Evas_Object *obj __UNUSED__, void *ev __UNUSED__)
  17 {
  18    Evas_Object *btn;
  19    Eina_List *children;
  20    Transitions_Data *tdata = data;
  21
  22    btn = elm_button_add(tdata->box);
  23    elm_object_text_set(btn, "I do nothing");
  24    children = (Eina_List *)elm_box_children_get(tdata->box);
  25    if (children)
  26      {
  27         elm_box_pack_after(tdata->box, btn, (Evas_Object *)children->data);
  28         eina_list_free(children);
  29      }
  30    else
  31      elm_box_pack_end(tdata->box, btn);
  32    evas_object_show(btn);
  33 }
  34
  35 static void
  36 _clear_cb(void *data, Evas_Object *obj __UNUSED__, void *ev __UNUSED__)
  37 {
  38    Transitions_Data *tdata = data;
  39    elm_box_clear(tdata->box);
  40 }
  41
  42 static void
  43 _unpack_cb(void *data, Evas_Object *obj, void *ev __UNUSED__)
  44 {
  45    Transitions_Data *tdata = data;
  46    elm_box_unpack(tdata->box, obj);
  47    evas_object_move(obj, 0, 50);
  48    evas_object_color_set(obj, 128, 64, 0, 128);
  49 }
  50
  51 static void
  52 _test_box_transition_change(void *data)
  53 {
  54    Transitions_Data *tdata = data;
  55    Elm_Box_Transition *layout_data;
  56    Evas_Object_Box_Layout next_layout;
  57
  58    if (!data) return;
  59    next_layout = eina_list_data_get(tdata->transitions);
  60    layout_data = elm_box_transition_new(2.0, tdata->last_layout,
  61                                         NULL, NULL, next_layout, NULL, NULL,
  62                                         _test_box_transition_change, tdata);
  63    elm_box_layout_set(tdata->box, elm_box_layout_transition, layout_data,
  64                       elm_box_transition_free);
  65    tdata->last_layout = next_layout;
  66
  67    tdata->transitions = eina_list_demote_list(tdata->transitions,
  68                                               tdata->transitions);
  69 }
  70
  71 int
  72 elm_main(int argc __UNUSED__, char *argv[] __UNUSED__)
  73 {
  74    Evas_Object *win, *bg, *bigbox, *bx, *bt;
  75    static Transitions_Data tdata = {
  76         .transitions = NULL,
  77         .box = NULL,
  78         .last_layout = NULL
  79    };
  80
  81    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  82
  83    win = elm_win_add(NULL, "box-transition", ELM_WIN_BASIC);
  84    elm_win_title_set(win, "Box Transition");
  85    elm_win_autodel_set(win, EINA_TRUE);
  86    evas_object_resize(win, 300, 320);
  87    evas_object_show(win);
  88
  89    bg = elm_bg_add(win);
  90    elm_win_resize_object_add(win, bg);
  91    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  92    evas_object_show(bg);
  93
  94    bigbox = elm_box_add(win);
  95    evas_object_size_hint_weight_set(bigbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  96    elm_win_resize_object_add(win, bigbox);
  97    evas_object_show(bigbox);
  98
  99    bx = elm_box_add(win);
 100    elm_box_horizontal_set(bx, EINA_TRUE);
 101    elm_box_pack_end(bigbox, bx);
 102    evas_object_show(bx);
 103
 104    bt = elm_button_add(win);
 105    elm_object_text_set(bt, "Add");
 106    elm_box_pack_end(bx, bt);
 107    evas_object_show(bt);
 108    evas_object_smart_callback_add(bt, "clicked", _add_cb, &tdata);
 109
 110    bt = elm_button_add(win);
 111    elm_object_text_set(bt, "Clear");
 112    elm_box_pack_end(bx, bt);
 113    evas_object_show(bt);
 114    evas_object_smart_callback_add(bt, "clicked", _clear_cb, &tdata);
 115
 116    bx = elm_box_add(win);
 117    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 118    evas_object_size_hint_align_set(bx, EVAS_HINT_FILL, EVAS_HINT_FILL);
 119    elm_box_pack_end(bigbox, bx);
 120    evas_object_show(bx);
 121
 122    bt = elm_button_add(win);
 123    elm_object_text_set(bt, "Button 1");
 124    evas_object_smart_callback_add(bt, "clicked", _unpack_cb, &tdata);
 125    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 126    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, EVAS_HINT_FILL);
 127    elm_box_pack_end(bx, bt);
 128    evas_object_show(bt);
 129
 130    bt = elm_button_add(win);
 131    elm_object_text_set(bt, "Button 2");
 132    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0.0);
 133    evas_object_size_hint_align_set(bt, 1.0, 0.5);
 134    evas_object_smart_callback_add(bt, "clicked", _unpack_cb, &tdata);
 135    elm_box_pack_end(bx, bt);
 136    evas_object_show(bt);
 137
 138    bt = elm_button_add(win);
 139    elm_object_text_set(bt, "Button 3");
 140    evas_object_smart_callback_add(bt, "clicked", _unpack_cb, &tdata);
 141    elm_box_pack_end(bx, bt);
 142    evas_object_show(bt);
 143
 144    tdata.box = bx;
 145    tdata.last_layout = evas_object_box_layout_horizontal;
 146    tdata.transitions = eina_list_append(tdata.transitions,
 147          evas_object_box_layout_vertical);
 148    tdata.transitions = eina_list_append(tdata.transitions,
 149          evas_object_box_layout_horizontal);
 150    tdata.transitions = eina_list_append(tdata.transitions,
 151          evas_object_box_layout_stack);
 152    tdata.transitions = eina_list_append(tdata.transitions,
 153          evas_object_box_layout_homogeneous_vertical);
 154    tdata.transitions = eina_list_append(tdata.transitions,
 155          evas_object_box_layout_homogeneous_horizontal);
 156    tdata.transitions = eina_list_append(tdata.transitions,
 157          evas_object_box_layout_flow_vertical);
 158    tdata.transitions = eina_list_append(tdata.transitions,
 159          evas_object_box_layout_flow_horizontal);
 160    tdata.transitions = eina_list_append(tdata.transitions,
 161          evas_object_box_layout_stack);
 162
 163    elm_box_layout_set(bx, evas_object_box_layout_horizontal, NULL, NULL);
 164    _test_box_transition_change(&tdata);
 165
 166    elm_run();
 167
 168    return 0;
 169 }
 170 ELM_MAIN();