src/examples/label_example_03.c

   1 //Compile with:
   2 //gcc -g label_example_03.c -o label_example_03 `pkg-config --cflags --libs elementary`
   3
   4 #include <Elementary.h>
   5
   6 typedef struct _appdata_s
   7 {
   8    Evas_Object *style;
   9    Evas_Object *label;
  10 } appdata_s;
  11
  12 static void
  13 _theme_change_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
  14 {
  15    appdata_s *ad = data;
  16
  17    if (!strcmp("slide_long", elm_object_text_get(ad->style)))
  18       elm_object_text_set(ad->style, "slide_short");
  19    else if (!strcmp("slide_short", elm_object_text_get(ad->style)))
  20       elm_object_text_set(ad->style, "slide_bounce");
  21    else
  22       elm_object_text_set(ad->style, "slide_long");
  23
  24    elm_object_style_set(ad->label, elm_object_text_get(ad->style));
  25 }
  26
  27 static void
  28 _win_del_request_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
  29 {
  30    appdata_s *ad = data;
  31    free(ad);
  32 }
  33
  34 static void
  35 _slide_start_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
  36 {
  37    Evas_Object *label = data;
  38
  39    elm_label_slide_mode_set(label, ELM_LABEL_SLIDE_MODE_ALWAYS);
  40    elm_label_slide_go(label);
  41 }
  42
  43 static void
  44 _slide_stop_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
  45 {
  46    Evas_Object *label = data;
  47
  48    elm_label_slide_mode_set(label, ELM_LABEL_SLIDE_MODE_NONE);
  49    elm_label_slide_go(label);
  50 }
  51
  52 EAPI_MAIN int
  53 elm_main(int argc, char** argv)
  54 {
  55    Evas_Object *win, *bx, *bx1, *bx2, *style, *label, *btn;
  56    appdata_s *ad = (appdata_s*)calloc(1, sizeof(appdata_s));
  57
  58    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  59
  60    // Win
  61    win = elm_win_util_standard_add("label", "Label Theme Change");
  62    elm_win_autodel_set(win, EINA_TRUE);
  63    evas_object_resize(win, 400, 85);
  64    evas_object_show(win);
  65    evas_object_smart_callback_add(win, "delete,request", _win_del_request_cb, ad);
  66
  67    // Box
  68    bx = elm_box_add(win);
  69    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  70    evas_object_show(bx);
  71    elm_win_resize_object_add(win, bx);
  72
  73    // Box1 for label
  74    bx1 = elm_box_add(bx);
  75    evas_object_size_hint_weight_set(bx1, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  76    elm_box_pack_end(bx, bx1);
  77    evas_object_show(bx1);
  78
  79    // Label for showing style
  80    style = elm_label_add(bx1);
  81    elm_object_text_set(style, "slide_long");
  82    elm_box_pack_end(bx1, style);
  83    evas_object_show(style);
  84
  85    ad->style = style;
  86
  87    // Label
  88    label = elm_label_add(bx1);
  89    elm_object_style_set(label, "slide_long");
  90    elm_object_text_set(label, "This is a label widget, you can change its theme or whether slide start or stop.");
  91    elm_label_wrap_width_set(label, 200);
  92    elm_label_slide_duration_set(label, 4.0);
  93    elm_box_pack_end(bx1, label);
  94    evas_object_show(label);
  95
  96    ad->label = label;
  97
  98    // Box2 for button
  99    bx2 = elm_box_add(bx);
 100    evas_object_size_hint_align_set(bx2, EVAS_HINT_FILL, EVAS_HINT_FILL);
 101    evas_object_size_hint_weight_set(bx2, EVAS_HINT_EXPAND, 0);
 102    elm_box_horizontal_set(bx2, EINA_TRUE);
 103    elm_box_homogeneous_set(bx2, EINA_TRUE);
 104    elm_box_pack_end(bx, bx2);
 105    evas_object_show(bx2);
 106
 107    // Button
 108    btn = elm_button_add(bx2);
 109    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, EVAS_HINT_FILL);
 110    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 111    elm_object_text_set(btn, "Change");
 112    elm_box_pack_end(bx2, btn);
 113    evas_object_show(btn);
 114    evas_object_smart_callback_add(btn, "clicked", _theme_change_cb, ad);
 115
 116    btn = elm_button_add(bx2);
 117    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, EVAS_HINT_FILL);
 118    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 119    elm_object_text_set(btn, "Change");
 120    elm_object_text_set(btn, "Go");
 121    elm_box_pack_end(bx2, btn);
 122    evas_object_show(btn);
 123    evas_object_smart_callback_add(btn, "clicked", _slide_start_cb, label);
 124
 125    btn = elm_button_add(bx2);
 126    evas_object_size_hint_align_set(btn, EVAS_HINT_FILL, EVAS_HINT_FILL);
 127    evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 128    elm_object_text_set(btn, "Change");
 129    elm_object_text_set(btn, "Stop");
 130    elm_box_pack_end(bx2, btn);
 131    evas_object_show(btn);
 132    evas_object_smart_callback_add(btn, "clicked", _slide_stop_cb, label);
 133
 134    elm_run();
 135
 136    return 0;
 137 }
 138 ELM_MAIN()