src/examples/colorselector_example_01.c

   1 //Compile with:
   2 //gcc -g colorselector_example_01.c -o colorselector_example_01 `pkg-config --cflags --libs elementary`
   3
   4 #include <Elementary.h>
   5
   6 static void _change_color(void *data, Evas_Object *obj, void *event_info);
   7 static void _colorpalette_clicked_cb(void *data, Evas_Object *obj, void *event_info);
   8 static void _colorpalette_longpressed_cb(void *data, Evas_Object *obj, void *event_info);
   9
  10 EAPI_MAIN int
  11 elm_main(int argc, char **argv)
  12 {
  13    Evas_Object *win, *cs, *rect, *bx, *fr;
  14
  15    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  16
  17    win = elm_win_util_standard_add("color selector", "Color selector");
  18    elm_win_autodel_set(win, EINA_TRUE);
  19
  20    bx = elm_box_add(win);
  21    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  22    elm_win_resize_object_add(win, bx);
  23    evas_object_show(bx);
  24
  25    fr = elm_frame_add(win);
  26    evas_object_size_hint_weight_set(fr, 1.0, 0.5);
  27    evas_object_size_hint_align_set(fr, EVAS_HINT_FILL, EVAS_HINT_FILL);
  28    elm_object_text_set(fr, "Color View");
  29    elm_box_pack_end(bx, fr);
  30    evas_object_show(fr);
  31
  32    rect = evas_object_rectangle_add(evas_object_evas_get(win));
  33    elm_object_content_set(fr, rect);
  34    evas_object_color_set(rect, 255, 90, 18, 255);
  35    evas_object_show(rect);
  36
  37    fr = elm_frame_add(win);
  38    evas_object_size_hint_weight_set(fr, 1.0, 0.5);
  39    evas_object_size_hint_align_set(fr, EVAS_HINT_FILL, EVAS_HINT_FILL);
  40    elm_object_text_set(fr, "Color Selector");
  41    elm_box_pack_end(bx, fr);
  42    evas_object_show(fr);
  43
  44    cs = elm_colorselector_add(win);
  45    elm_colorselector_palette_name_set(cs, "painting");
  46    evas_object_size_hint_weight_set(cs, EVAS_HINT_EXPAND, 0.0);
  47    evas_object_size_hint_align_set(cs, EVAS_HINT_FILL, 0.0);
  48    elm_colorselector_color_set(cs, 255, 90, 18, 255);
  49    evas_object_show(cs);
  50    evas_object_smart_callback_add(cs, "changed", _change_color, rect);
  51    evas_object_smart_callback_add(cs, "color,item,selected", _colorpalette_clicked_cb, rect);
  52    evas_object_smart_callback_add(cs, "color,item,longpressed", _colorpalette_longpressed_cb, rect);
  53    elm_object_content_set(fr, cs);
  54
  55    evas_object_resize(win, 320, 480);
  56    evas_object_show(win);
  57
  58    elm_run();
  59
  60    return 0;
  61 }
  62 ELM_MAIN()
  63
  64 static void
  65 _change_color(void *data, Evas_Object *obj, void *event_info)
  66 {
  67    int r, g, b, a;
  68    elm_colorselector_color_get(obj, &r, &g, &b, &a);
  69    // ensure colors are pre-multiplied by alpha
  70    evas_color_argb_premul(a, &r, &g, &b);
  71    evas_object_color_set(data, r, g, b, a);
  72 }
  73
  74 static void
  75 _colorpalette_clicked_cb(void *data, Evas_Object *obj, void *event_info)
  76 {
  77    int r = 0, g = 0, b = 0 ,a = 0;
  78    Elm_Object_Item *color_it = (Elm_Object_Item *) event_info;
  79    elm_colorselector_palette_item_color_get(color_it, &r, &g, &b, &a);
  80    // ensure colors are pre-multiplied by alpha
  81    evas_color_argb_premul(a, &r, &g, &b);
  82    evas_object_color_set(data, r, g, b, a);
  83 }
  84
  85 static void
  86 _colorpalette_longpressed_cb(void *data, Evas_Object *obj, void *event_info)
  87 {
  88    int r = 0,g = 0,b = 0 ,a = 0;
  89    Elm_Object_Item *color_it = (Elm_Object_Item *) event_info;
  90    elm_colorselector_palette_item_color_get(color_it, &r, &g, &b, &a);
  91    printf("\ncolor = %d-%d-%d-%d\n", r, g, b, a);
  92 }