src/examples/layout_example_02.c

   1 //Compile with:
   2 //gcc -g `pkg-config --cflags --libs elementary` layout_example_02.c -o layout_example_02
   3
   4 #include <Elementary.h>
   5 #ifdef HAVE_CONFIG_H
   6 # include "elementary_config.h"
   7 #else
   8 # define __UNUSED__
   9 #endif
  10
  11 #define TABLE "example/table"
  12 #define BOX "example/box"
  13 #define TITLE "example/title"
  14 #define SWALLOW "example/custom"
  15
  16 static const char *images[] = { "home", "close", "arrow_up", "arrow_down", NULL };
  17
  18 struct _App {
  19      int current;
  20 };
  21
  22 static void
  23 _signal_cb(void *data, Evas_Object *o, const char *emission, const char *source __UNUSED__)
  24 {
  25    struct _App *app = data;
  26    Evas_Object *icon = elm_object_part_content_get(o, "elm.swallow.content");
  27
  28    printf("signal received\n");
  29
  30    if (!strcmp("elm,action,back", emission))
  31      app->current--;
  32    else if (!strcmp("elm,action,next", emission))
  33      app->current++;
  34
  35    if (app->current < 0)
  36      app->current = sizeof(images) - 1;
  37    else if (images[app->current] == NULL)
  38      app->current = 0;
  39
  40    elm_icon_standard_set(icon, images[app->current]);
  41 }
  42
  43 int
  44 elm_main(int argc __UNUSED__, char **argv __UNUSED__)
  45 {
  46    Evas_Object *win, *bg, *layout, *icon;
  47    struct _App app;
  48
  49    app.current = 0;
  50
  51    win = elm_win_add(NULL, "layout", ELM_WIN_BASIC);
  52    elm_win_title_set(win, "Layout");
  53    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  54    elm_win_autodel_set(win, EINA_TRUE);
  55
  56    bg = elm_bg_add(win);
  57    elm_bg_color_set(bg, 255, 255, 255);
  58    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  59    elm_win_resize_object_add(win, bg);
  60    evas_object_show(bg);
  61
  62    // Adding layout and filling it with widgets
  63    layout = elm_layout_add(win);
  64    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  65    elm_win_resize_object_add(win, layout);
  66    elm_layout_theme_set(
  67        layout, "layout", "application", "content-back-next");
  68    evas_object_show(layout);
  69
  70    icon = elm_icon_add(win);
  71    elm_icon_standard_set(icon, images[app.current]);
  72    evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  73    elm_object_part_content_set(layout, "elm.swallow.content", icon);
  74
  75    elm_object_signal_callback_add(layout, "elm,action,back", "", _signal_cb, &app);
  76    elm_object_signal_callback_add(layout, "elm,action,next", "", _signal_cb, &app);
  77
  78    evas_object_size_hint_min_set(bg, 160, 160);
  79    evas_object_size_hint_max_set(bg, 640, 640);
  80    evas_object_resize(win, 320, 320);
  81    evas_object_show(win);
  82
  83    elm_run();
  84
  85    return 0;
  86 }
  87
  88 ELM_MAIN()