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e_int_config_wallpaper_import.c

/*
 * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
 */
#include "e.h"
#include "e_mod_main.h"

#define IMPORT_STRETCH 0
#define IMPORT_TILE 1
#define IMPORT_CENTER 2
#define IMPORT_SCALE_ASPECT_IN 3
#define IMPORT_SCALE_ASPECT_OUT 4

typedef struct _Import Import;

struct _Import 
{
   E_Config_Dialog *parent;
   E_Config_Dialog_Data *cfdata;

   Evas_Object *bg_obj;
   Evas_Object *box_obj;
   Evas_Object *event_obj;
   Evas_Object *content_obj;
   Evas_Object *fsel_obj;

   Evas_Object *ok_obj;
   Evas_Object *close_obj;

   Evas_Object *fill_stretch_obj;
   Evas_Object *fill_center_obj;
   Evas_Object *fill_tile_obj;
   Evas_Object *fill_within_obj;
   Evas_Object *fill_fill_obj;
   Evas_Object *external_obj;
   Evas_Object *quality_obj;
   Evas_Object *frame_fill_obj;
   Evas_Object *frame_quality_obj;

   E_Win *win;

   Ecore_Exe *exe;
   Ecore_Event_Handler *exe_handler;
   char *tmpf;
   char *fdest;
};

struct _E_Config_Dialog_Data 
{
   char *file;   
   int method;
   int external;
   int quality;
};

static void _import_opt_disabled_set(Import *import, int disabled);
static void _import_cb_sel_selected(void *data, Evas_Object *obj);
static void _import_cb_sel_change(void *data, Evas_Object *obj);
static void _import_path_save(Import *import);
static void _import_edj_gen(Import *import);
static int _import_cb_edje_cc_exit(void *data, int type, void *event);
static void _import_cb_delete(E_Win *win);
static void _import_cb_resize(E_Win *win);
static void _import_cb_close(void *data, void *data2);
static void _import_cb_ok(void *data, void *data2);
static void _import_cb_wid_on_focus(void *data, Evas_Object *obj);
static void _import_cb_key_down(void *data, Evas *e, Evas_Object *obj, void *event);

EAPI E_Win *
e_int_config_wallpaper_import(E_Config_Dialog *parent)
{
   Evas *evas;
   E_Win *win;
   Import *import;
   Evas_Object *o, *of, *ofm, *ord, *ot;
   E_Radio_Group *rg;
   Evas_Coord w, h;
   E_Config_Dialog_Data *cfdata;
   Evas_Modifier_Mask mask;
   const char *fdev, *fpath;

   import = E_NEW(Import, 1);
   if (!import) return NULL;

   if (parent)
     win = e_win_new(parent->con);
   else
     win = e_win_new(e_container_current_get(e_manager_current_get()));

   if (!win) 
     { 
      E_FREE(import);
      return NULL;      
     }

   cfdata = E_NEW(E_Config_Dialog_Data, 1);
   cfdata->method = IMPORT_STRETCH;
   cfdata->external = 0;
   cfdata->quality = 90;
   import->cfdata = cfdata;
   import->win = win;

   evas = e_win_evas_get(win);

   if (parent) import->parent = parent;

   e_win_title_set(win, _("Select a Picture..."));
   e_win_delete_callback_set(win, _import_cb_delete);
   e_win_resize_callback_set(win, _import_cb_resize);
   e_win_dialog_set(win, 1);
   e_win_name_class_set(win, "E", "_wallpaper_import_dialog");

   o = edje_object_add(evas);
   import->bg_obj = o;
   e_theme_edje_object_set(o, "base/theme/dialog", "e/widgets/dialog/main");
   evas_object_move(o, 0, 0);
   evas_object_show(o);

   o = e_widget_list_add(evas, 1, 1);
   e_widget_on_focus_hook_set(o, _import_cb_wid_on_focus, import);
   import->box_obj = o;
   edje_object_part_swallow(import->bg_obj, "e.swallow.buttons", o);

   o = evas_object_rectangle_add(evas);
   import->event_obj = o;
   mask = 0;
   evas_object_key_grab(o, "Tab", mask, ~mask, 0);
   mask = evas_key_modifier_mask_get(evas, "Shift");
   evas_object_key_grab(o, "Tab", mask, ~mask, 0);
   mask = 0;
   evas_object_key_grab(o, "Return", mask, ~mask, 0);
   mask = 0;
   evas_object_key_grab(o, "KP_Enter", mask, ~mask, 0);
   mask = 0;
   evas_object_event_callback_add(o, EVAS_CALLBACK_KEY_DOWN, 
                                  _import_cb_key_down, import);

   o = e_widget_list_add(evas, 0, 0);   
   import->content_obj = o;

   fdev = e_config->wallpaper_import_last_dev;
   fpath = e_config->wallpaper_import_last_path;
   if ((!fdev) && (!fpath))
     {
      fdev = "~/";
      fpath = "/";
     }
   ofm = e_widget_fsel_add(evas, fdev, fpath, NULL, NULL,
                     _import_cb_sel_selected, import,
                     _import_cb_sel_change, import, 1);
   e_widget_fsel_window_object_set(ofm, E_OBJECT(win));
   import->fsel_obj = ofm;
   e_widget_list_object_append(o, ofm, 1, 1, 0.5);

   ot = e_widget_table_add(evas, 0);

   of = e_widget_frametable_add(evas, _("Fill and Stretch Options"), 1);
   import->frame_fill_obj = of;
   rg = e_widget_radio_group_new(&cfdata->method);
   ord = e_widget_radio_icon_add(evas, _("Stretch"), 
                         "enlightenment/wallpaper_stretch", 
                         24, 24, IMPORT_STRETCH, rg);
   import->fill_stretch_obj = ord;
   e_widget_frametable_object_append(of, ord, 0, 0, 1, 1, 1, 0, 1, 0);
   ord = e_widget_radio_icon_add(evas, _("Center"), 
                         "enlightenment/wallpaper_center", 
                         24, 24, IMPORT_CENTER, rg);
   import->fill_center_obj = ord;
   e_widget_frametable_object_append(of, ord, 1, 0, 1, 1, 1, 0, 1, 0);
   ord = e_widget_radio_icon_add(evas, _("Tile"), 
                         "enlightenment/wallpaper_tile", 
                         24, 24, IMPORT_TILE, rg);
   import->fill_tile_obj = ord;
   e_widget_frametable_object_append(of, ord, 2, 0, 1, 1, 1, 0, 1, 0);
   ord = e_widget_radio_icon_add(evas, _("Within"), 
                         "enlightenment/wallpaper_scale_aspect_in", 
                         24, 24, IMPORT_SCALE_ASPECT_IN, rg);
   import->fill_within_obj = ord;
   e_widget_frametable_object_append(of, ord, 3, 0, 1, 1, 1, 0, 1, 0);
   ord = e_widget_radio_icon_add(evas, _("Fill"), 
                         "enlightenment/wallpaper_scale_aspect_out", 
                         24, 24, IMPORT_SCALE_ASPECT_OUT, rg);
   import->fill_fill_obj = ord;
   e_widget_frametable_object_append(of, ord, 4, 0, 1, 1, 1, 0, 1, 0);
   e_widget_table_object_append(ot, of, 0, 0, 1, 1, 1, 1, 1, 0);

   of = e_widget_frametable_add(evas, _("File Quality"), 0);
   import->frame_quality_obj = of;
   ord = e_widget_check_add(evas, _("Use original file"), &(cfdata->external));
   import->external_obj = ord;
   e_widget_frametable_object_append(of, ord, 0, 0, 1, 1, 1, 0, 1, 0);
   ord = e_widget_slider_add(evas, 1, 0, _("%3.0f%%"), 0.0, 100.0, 1.0, 0, 
                       NULL, &(cfdata->quality), 150);
   import->quality_obj = ord;
   e_widget_frametable_object_append(of, ord, 0, 1, 1, 1, 1, 0, 1, 0);
   e_widget_table_object_append(ot, of, 0, 1, 1, 1, 1, 1, 1, 0);

   e_widget_list_object_append(o, ot, 0, 0, 0.5);

   e_widget_min_size_get(o, &w, &h);
   edje_extern_object_min_size_set(o, w, h);
   edje_object_part_swallow(import->bg_obj, "e.swallow.content", o);
   evas_object_show(o);

   import->ok_obj = e_widget_button_add(evas, _("OK"), NULL, 
                              _import_cb_ok, win, cfdata);
   e_widget_list_object_append(import->box_obj, import->ok_obj, 1, 0, 0.5);

   import->close_obj = e_widget_button_add(evas, _("Cancel"), NULL, 
                                 _import_cb_close, win, NULL);
   e_widget_list_object_append(import->box_obj, import->close_obj, 1, 0, 0.5);

   e_win_centered_set(win, 1);

   o = import->box_obj;
   e_widget_min_size_get(o, &w, &h);
   edje_extern_object_min_size_set(o, w, h);
   edje_object_part_swallow(import->bg_obj, "e.swallow.buttons", o);

   edje_object_size_min_calc(import->bg_obj, &w, &h);
   evas_object_resize(import->bg_obj, w, h);
   e_win_resize(win, w, h);
   e_win_size_min_set(win, w, h);
   e_win_size_max_set(win, 99999, 99999);
   e_win_show(win);
   e_win_border_icon_set(win, "enlightenment/background");

   if (!e_widget_focus_get(import->bg_obj))
     e_widget_focus_set(import->box_obj, 1);

   win->data = import;

   _import_opt_disabled_set(import, 1);
   return win;
}

EAPI void
e_int_config_wallpaper_del(E_Win *win)
{
   Import *import;

   import = win->data;
   _import_path_save(import);
   if (import->exe_handler) ecore_event_handler_del(import->exe_handler);
   import->exe_handler = NULL;
   if (import->tmpf) unlink(import->tmpf);
   E_FREE(import->tmpf);
   E_FREE(import->fdest);
   import->exe = NULL;
   e_object_del(E_OBJECT(import->win));
   if (import->parent)
     e_int_config_wallpaper_import_done(import->parent);
   E_FREE(import->cfdata->file);
   E_FREE(import->cfdata);
   if (import) free(import);
}

static void
_import_opt_disabled_set(Import *import, int disabled)
{
   e_widget_disabled_set(import->fill_stretch_obj, disabled);
   e_widget_disabled_set(import->fill_center_obj, disabled);
   e_widget_disabled_set(import->fill_tile_obj, disabled);
   e_widget_disabled_set(import->fill_within_obj, disabled);
   e_widget_disabled_set(import->fill_fill_obj, disabled);
   e_widget_disabled_set(import->external_obj, disabled);
   e_widget_disabled_set(import->quality_obj, disabled);
   e_widget_disabled_set(import->frame_fill_obj, disabled);
   e_widget_disabled_set(import->frame_quality_obj, disabled);
}

static void 
_import_cb_sel_selected(void *data, Evas_Object *obj)
{
   Import *import;

   import = data;
   _import_cb_ok(import->win, NULL);
}

static void 
_import_cb_sel_change(void *data, Evas_Object *obj)
{
   Import *import;
   const char *path, *p = NULL;

   import = data;
   path = e_widget_fsel_selection_path_get(import->fsel_obj);
   E_FREE(import->cfdata->file);
   if (path) import->cfdata->file = strdup(path);
   if (path) p = strrchr(path, '.');
   if ((!p) || (!strcasecmp(p, ".edj")))
     _import_opt_disabled_set(import, 1);
   else
     _import_opt_disabled_set(import, 0);
}

static void
_import_path_save(Import *import)
{
   const char *fdev = NULL, *fpath = NULL;

   e_widget_fsel_path_get(import->fsel_obj, &fdev, &fpath);
   if ((fdev) || (fpath))
     {
      if (e_config->wallpaper_import_last_dev) 
        evas_stringshare_del(e_config->wallpaper_import_last_dev);
      if (fdev) 
        e_config->wallpaper_import_last_dev = evas_stringshare_add(fdev);
      else e_config->wallpaper_import_last_dev = NULL;
      if (e_config->wallpaper_import_last_path) 
        evas_stringshare_del(e_config->wallpaper_import_last_path);
      if (fpath) 
        e_config->wallpaper_import_last_path = evas_stringshare_add(fpath);
      else e_config->wallpaper_import_last_path = NULL;
      e_config_save_queue();
     }
}

static void 
_import_edj_gen(Import *import)
{
   Evas *evas;
   Evas_Object *img;
   int fd, num = 1;
   int w = 0, h = 0;
   const char *file, *homedir;
   char buf[4096], cmd[4096], tmpn[4096], ipart[4096], enc[128];
   char *imgdir = NULL, *fstrip;
   int cr = 255, cg = 255, cb = 255, ca = 255;
   FILE *f;

   evas = e_win_evas_get(import->win);
   file = ecore_file_file_get(import->cfdata->file);
   homedir = e_user_homedir_get();
   fstrip = ecore_file_strip_ext(file);
   if (!fstrip) return;
   snprintf(buf, sizeof(buf), "%s/.e/e/backgrounds/%s.edj", homedir, fstrip);
   while (ecore_file_exists(buf))
     {
      snprintf(buf, sizeof(buf), "%s/.e/e/backgrounds/%s-%i.edj", 
             homedir, fstrip, num);
      num++;
     }
   free(fstrip);
   strcpy(tmpn, "/tmp/e_bgdlg_new.edc-tmp-XXXXXX");
   fd = mkstemp(tmpn);
   if (fd < 0) 
     {
      printf("Error Creating tmp file: %s\n", strerror(errno));
      return;
     }
   close(fd);

   f = fopen(tmpn, "w");
   if (!f) 
     {
      printf("Cannot open %s for writing\n", tmpn);
      return;
     }

   imgdir = ecore_file_dir_get(import->cfdata->file);
   if (!imgdir) ipart[0] = '\0';
   else
     {
      snprintf(ipart, sizeof(ipart), "-id %s", e_util_filename_escape(imgdir));
      free(imgdir);
     }

   img = evas_object_image_add(evas);
   evas_object_image_file_set(img, import->cfdata->file, NULL);
   evas_object_image_size_get(img, &w, &h);
   evas_object_del(img);   

   if (import->cfdata->external)
     {
      fstrip = strdup(e_util_filename_escape(import->cfdata->file));
      snprintf(enc, sizeof(enc), "USER");
     }
   else
     {
      fstrip = strdup(e_util_filename_escape(file));
      if (import->cfdata->quality == 100)
        snprintf(enc, sizeof(enc), "COMP");
      else
        snprintf(enc, sizeof(enc), "LOSSY %i", import->cfdata->quality);
     }
   switch (import->cfdata->method) 
     {
      case IMPORT_STRETCH:
      fprintf(f, 
            "images { image: \"%s\" %s; }\n"
            "collections {\n"
            "group { name: \"e/desktop/background\";\n"
            "data { item: \"style\" \"0\"; }\n"
            "max: %i %i;\n"
            "parts {\n"
            "part { name: \"bg\"; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "image { normal: \"%s\"; }\n"
            "} } } } }\n"
            , fstrip, enc, w, h, fstrip);
      break;
      case IMPORT_TILE:
      fprintf(f, 
            "images { image: \"%s\" %s; }\n"
            "collections {\n"
            "group { name: \"e/desktop/background\";\n"
            "data { item: \"style\" \"1\"; }\n"
            "max: %i %i;\n"
            "parts {\n"
            "part { name: \"bg\"; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "image { normal: \"%s\"; }\n"
            "fill { size {\n"
            "relative: 0.0 0.0;\n"
            "offset: %i %i;\n"
            "} } } } } } }\n"
            , fstrip, enc, w, h, fstrip, w, h);
      break;
      case IMPORT_CENTER:
      fprintf(f, 
            "images { image: \"%s\" %s; }\n"
            "collections {\n"
            "group { name: \"e/desktop/background\";\n"
            "data { item: \"style\" \"2\"; }\n"
            "max: %i %i;\n"
            "parts {\n"
            "part { name: \"col\"; type: RECT; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "color: %i %i %i %i;\n"
            "} }\n"
            "part { name: \"bg\"; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "min: %i %i; max: %i %i;\n"
            "image { normal: \"%s\"; }\n"
            "} } } } }\n"
            , fstrip, enc, w, h, cr, cg, cb, ca, w, h, w, h, fstrip);
      break;
      case IMPORT_SCALE_ASPECT_IN:
      fprintf(f, 
            "images { image: \"%s\" %s; }\n"
            "collections {\n"
            "group { name: \"e/desktop/background\";\n"
            "data { item: \"style\" \"3\"; }\n"
            "max: %i %i;\n"
            "parts {\n"
            "part { name: \"col\"; type: RECT; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "color: %i %i %i %i;\n"
            "} }\n"
            "part { name: \"bg\"; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "aspect: %1.9f %1.9f; aspect_preference: BOTH;\n"
            "image { normal: \"%s\"; }\n"
            "} } } } }\n"
            , fstrip, enc, w, h, cr, cg, cb, ca, (double)w / (double)h, (double)w / (double)h, fstrip);
      break;
      case IMPORT_SCALE_ASPECT_OUT:
      fprintf(f, 
            "images { image: \"%s\" %s; }\n"
            "collections {\n"
            "group { name: \"e/desktop/background\";\n"
            "data { item: \"style\" \"4\"; }\n"
            "max: %i %i;\n"
            "parts {\n"
            "part { name: \"bg\"; mouse_events: 0;\n"
            "description { state: \"default\" 0.0;\n"
            "aspect: %1.9f %1.9f; aspect_preference: NONE;\n"
            "image { normal: \"%s\"; }\n"
            "} } } } }\n"
            , fstrip, enc, w, h, (double)w / (double)h, (double)w / (double)h, fstrip);
      break;
      default:
      /* won't happen */
      break;
     }
   free(fstrip);

   fclose(f);

   snprintf(cmd, sizeof(cmd), "edje_cc -v %s %s %s", 
          ipart, tmpn, e_util_filename_escape(buf));

   import->tmpf = strdup(tmpn);
   import->fdest = strdup(buf);
   import->exe_handler = 
     ecore_event_handler_add(ECORE_EXE_EVENT_DEL, 
                       _import_cb_edje_cc_exit, import);
   import->exe = ecore_exe_run(cmd, NULL);   
}

static int
_import_cb_edje_cc_exit(void *data, int type, void *event)
{
   Import *import;
   Ecore_Exe_Event_Del *ev;

   ev = event;
   import = data;
   if (ev->exe != import->exe) return 1;

   if (ev->exit_code != 0)
     {
      e_util_dialog_show(_("Picture Import Error"),
                     _("Enlightenment was unable to import the picture<br>"
                       "due to conversion errors."));
     }

   if (import->parent)
     e_int_config_wallpaper_update(import->parent, import->fdest);

   e_int_config_wallpaper_del(import->win);
   return 0;
}

static void 
_import_cb_delete(E_Win *win) 
{
   e_int_config_wallpaper_del(win);
}

static void 
_import_cb_resize(E_Win *win) 
{
   Import *import;

   if (!(import = win->data)) return;
   evas_object_resize(import->bg_obj, win->w, win->h);
}

static void 
_import_cb_close(void *data, void *data2) 
{
   E_Win *win;

   win = data;
   e_int_config_wallpaper_del(win);
}

static void 
_import_cb_ok(void *data, void *data2) 
{
   Import *import;
   E_Win *win;
   const char *path;
   const char *file;
   const char *homedir;
   char buf[4096];
   int is_bg, is_theme;

   win = data;
   if (!(import = win->data)) return;
   path = e_widget_fsel_selection_path_get(import->fsel_obj);
   E_FREE(import->cfdata->file);
   if (path) import->cfdata->file = strdup(path);
   if (import->cfdata->file)
     {
      file = ecore_file_file_get(import->cfdata->file);
      if (!e_util_glob_case_match(file, "*.edj"))
        _import_edj_gen(import);
      else 
        {
           homedir = e_user_homedir_get();
           snprintf(buf, sizeof(buf), "%s/.e/e/backgrounds/%s", 
                  homedir, file);

           is_bg = edje_file_group_exists(import->cfdata->file, 
                                  "e/desktop/background");
           is_theme = 
             edje_file_group_exists(import->cfdata->file, 
                              "e/widgets/border/default/border");

           if ((is_bg) && (!is_theme)) 
             {
              if (!ecore_file_cp(import->cfdata->file, buf)) 
                {
                   e_int_config_wallpaper_del(win);
                   e_util_dialog_show(_("Wallpaper Import Error"),
                                _("Enlightenment was unable to "
                                  "import the wallpaper<br>due to a "
                                  "copy error."));
                   return;
                }
              else 
                {
                   if (import->parent)
                   e_int_config_wallpaper_update(import->parent, buf);
                   e_int_config_wallpaper_del(win);
                   return;
                }
             }
           else 
             {
              e_int_config_wallpaper_del(win);
              e_util_dialog_show(_("Wallpaper Import Error"),
                             _("Enlightenment was unable to "
                               "import the wallpaper.<br><br>"
                               "Are you sure this is a valid "
                               "wallpaper?"));
              return;           
             }
        }

      e_win_hide(win);
      return;
     }
   e_int_config_wallpaper_del(win);
}

static void 
_import_cb_wid_on_focus(void *data, Evas_Object *obj) 
{
   Import *import;

   import = data;
   if (obj == import->content_obj)
     e_widget_focused_object_clear(import->box_obj);
   else if (import->content_obj)
     e_widget_focused_object_clear(import->content_obj);
}

static void 
_import_cb_key_down(void *data, Evas *e, Evas_Object *obj, void *event) 
{
   Evas_Event_Key_Down *ev;
   Import *import;

   ev = event;
   import = data;
   if (!strcmp(ev->keyname, "Tab"))
     {
      if (evas_key_modifier_is_set(evas_key_modifier_get(e_win_evas_get(import->win)), "Shift"))
        {
           if (e_widget_focus_get(import->box_obj))
             {
              if (!e_widget_focus_jump(import->box_obj, 0))
                {
                   e_widget_focus_set(import->content_obj, 0);
                   if (!e_widget_focus_get(import->content_obj))
                   e_widget_focus_set(import->box_obj, 0);
                }
             }
           else
             {
              if (!e_widget_focus_jump(import->content_obj, 0))
                e_widget_focus_set(import->box_obj, 0);
             }
        }
      else
        {
           if (e_widget_focus_get(import->box_obj))
             {
              if (!e_widget_focus_jump(import->box_obj, 1))
                {
                   e_widget_focus_set(import->content_obj, 1);
                   if (!e_widget_focus_get(import->content_obj))
                   e_widget_focus_set(import->box_obj, 1);
                }
             }
           else
             {
              if (!e_widget_focus_jump(import->content_obj, 1))
                e_widget_focus_set(import->box_obj, 1);
             }
        }
     }
   else if (((!strcmp(ev->keyname, "Return")) || 
           (!strcmp(ev->keyname, "KP_Enter")) || 
           (!strcmp(ev->keyname, "space"))))
     {
      Evas_Object *o = NULL;

      if ((import->content_obj) && (e_widget_focus_get(import->content_obj)))
        o = e_widget_focused_object_get(import->content_obj);
      else
        o = e_widget_focused_object_get(import->box_obj);
      if (o) e_widget_activate(o);
     }   
}

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