586 lines
13 KiB
C
586 lines
13 KiB
C
/* TODO
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check http://www.pvv.org/~mariusbu/proposal.html
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for advances in cross toolkit settings */
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#include <e.h>
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#include <X11/Xlib.h>
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#include <X11/Xmd.h> /* For CARD16 */
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#define RETRY_TIMEOUT 2.0
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#define SETTING_TYPE_INT 0
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#define SETTING_TYPE_STRING 1
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#define SETTING_TYPE_COLOR 2
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#define OFFSET_ADD(n) ((n + 4 - 1) & (~(4 - 1)))
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#define DBG printf
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typedef struct _Settings_Manger Settings_Manager;
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typedef struct _Setting Setting;
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struct _Settings_Manger
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{
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E_Manager *man;
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Ecore_X_Window selection;
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Ecore_Timer *timer_retry;
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unsigned long serial;
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Ecore_X_Atom _atom_xsettings_screen;
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};
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struct _Setting
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{
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unsigned short type;
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const char *name;
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struct { const char *value; } s;
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struct { int value; } i;
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struct { unsigned short red, green, blue, alpha; } c;
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unsigned long length;
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unsigned long last_change;
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};
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static void _e_xsettings_apply(Settings_Manager *sm);
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static Ecore_X_Atom _atom_manager = 0;
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static Ecore_X_Atom _atom_xsettings = 0;
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static Eina_List *managers = NULL;
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static Eina_List *handlers = NULL;
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static Eina_List *settings = NULL;
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static Eina_Bool running = EINA_FALSE;
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static const char _setting_icon_theme_name[] = "Net/IconThemeName";
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static const char _setting_theme_name[] = "Net/ThemeName";
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static const char _setting_font_name[] = "Gtk/FontName";
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static const char _setting_xft_dpi[] = "Xft/DPI";
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static Ecore_X_Atom
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_e_xsettings_atom_screen_get(int screen_num)
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{
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char buf[32];
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snprintf(buf, sizeof(buf), "_XSETTINGS_S%d", screen_num);
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return ecore_x_atom_get(buf);
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}
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static Eina_Bool
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_e_xsettings_selection_owner_set(Settings_Manager *sm)
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{
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Ecore_X_Atom atom;
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Ecore_X_Window cur_selection;
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Eina_Bool ret;
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atom = _e_xsettings_atom_screen_get(sm->man->num);
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ecore_x_selection_owner_set(sm->selection, atom, ecore_x_current_time_get());
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ecore_x_sync();
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cur_selection = ecore_x_selection_owner_get(atom);
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ret = (cur_selection == sm->selection);
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if (!ret)
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fprintf(stderr, "XSETTINGS: tried to set selection to %#x, but got %#x\n",
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sm->selection, cur_selection);
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return ret;
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}
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static void
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_e_xsettings_deactivate(Settings_Manager *sm)
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{
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Ecore_X_Window old;
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if (sm->selection == 0) return;
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old = sm->selection;
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sm->selection = 0;
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_e_xsettings_selection_owner_set(sm);
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ecore_x_sync();
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ecore_x_window_free(old);
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}
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static Eina_Bool
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_e_xsettings_activate(Settings_Manager *sm)
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{
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Ecore_X_Atom atom;
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Ecore_X_Window old_win;
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if (sm->selection != 0) return 1;
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atom = _e_xsettings_atom_screen_get(sm->man->num);
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old_win = ecore_x_selection_owner_get(atom);
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if (old_win != 0) return 0;
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sm->selection = ecore_x_window_input_new(0, 0, 0, 1, 1);
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if (sm->selection == 0)
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return 0;
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if (!_e_xsettings_selection_owner_set(sm))
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{
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ecore_x_window_free(sm->selection);
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sm->selection = 0;
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return 0;
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}
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ecore_x_client_message32_send(e_manager_current_get()->root, _atom_manager,
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ECORE_X_EVENT_MASK_WINDOW_CONFIGURE,
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ecore_x_current_time_get(), atom,
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sm->selection, 0, 0);
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_e_xsettings_apply(sm);
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return 1;
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}
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static Eina_Bool
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_e_xsettings_activate_retry(void *data)
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{
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Settings_Manager *sm = data;
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Eina_Bool ret;
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fputs("XSETTINGS: reactivate...\n", stderr);
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ret = _e_xsettings_activate(sm);
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if (ret)
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fputs("XSETTINGS: activate success!\n", stderr);
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else
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fprintf(stderr, "XSETTINGS: activate failure! retrying in %0.1f seconds\n",
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RETRY_TIMEOUT);
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if (!ret)
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return ECORE_CALLBACK_RENEW;
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sm->timer_retry = NULL;
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return ECORE_CALLBACK_CANCEL;
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}
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static void
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_e_xsettings_retry(Settings_Manager *sm)
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{
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if (sm->timer_retry) return;
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sm->timer_retry = ecore_timer_add
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(RETRY_TIMEOUT, _e_xsettings_activate_retry, sm);
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}
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static void
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_e_xsettings_string_set(const char *name, const char *value)
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{
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Setting *s;
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Eina_List *l;
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if (!name) return;
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name = eina_stringshare_add(name);
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EINA_LIST_FOREACH(settings, l, s)
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{
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if (s->type != SETTING_TYPE_STRING) continue;
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if (s->name == name) break;
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}
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if (!value)
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{
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if (!s) return;
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DBG("remove %s\n", name);
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eina_stringshare_del(name);
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eina_stringshare_del(s->name);
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eina_stringshare_del(s->s.value);
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settings = eina_list_remove(settings, s);
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E_FREE(s);
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return;
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}
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if (s)
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{
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DBG("update %s %s\n", name, value);
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eina_stringshare_del(name);
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eina_stringshare_replace(&s->s.value, value);
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}
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else
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{
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DBG("add %s %s\n", name, value);
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s = E_NEW(Setting, 1);
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s->type = SETTING_TYPE_STRING;
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s->name = name;
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s->s.value = eina_stringshare_add(value);
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settings = eina_list_append(settings, s);
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}
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/* type + pad + name-len + last-change-serial + str_len */
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s->length = 12;
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s->length += OFFSET_ADD(strlen(name));
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s->length += OFFSET_ADD(strlen(value));
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s->last_change = ecore_x_current_time_get();
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}
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static void
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_e_xsettings_int_set(const char *name, int value, Eina_Bool set)
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{
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Setting *s;
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Eina_List *l;
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if (!name) return;
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name = eina_stringshare_add(name);
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EINA_LIST_FOREACH(settings, l, s)
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{
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if (s->type != SETTING_TYPE_INT) continue;
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if (s->name == name) break;
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}
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if (!set)
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{
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if (!s) return;
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DBG("remove %s\n", name);
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eina_stringshare_del(name);
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eina_stringshare_del(s->name);
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settings = eina_list_remove(settings, s);
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E_FREE(s);
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return;
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}
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if (s)
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{
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DBG("update %s %d\n", name, value);
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eina_stringshare_del(name);
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s->i.value = value;
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}
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else
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{
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DBG("add %s %d\n", name, value);
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s = E_NEW(Setting, 1);
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s->type = SETTING_TYPE_INT;
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s->name = name;
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s->i.value = value;
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settings = eina_list_append(settings, s);
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}
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// type + pad + name-len + last-change-serial + value
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s->length = 12;
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s->length += OFFSET_ADD(strlen(name));
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}
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static unsigned char *
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_e_xsettings_copy(unsigned char *buffer, Setting *s)
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{
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size_t str_len;
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size_t len;
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buffer[0] = s->type;
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buffer[1] = 0;
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buffer += 2;
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str_len = strlen(s->name);
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*(CARD16 *)(buffer) = str_len;
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buffer += 2;
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memcpy(buffer, s->name, str_len);
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buffer += str_len;
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len = OFFSET_ADD(str_len) - str_len;
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memset(buffer, 0, len);
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buffer += len;
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*(CARD32 *)(buffer) = s->last_change;
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buffer += 4;
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switch (s->type)
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{
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case SETTING_TYPE_INT:
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*(CARD32 *)(buffer) = s->i.value;
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buffer += 4;
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break;
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case SETTING_TYPE_STRING:
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str_len = strlen (s->s.value);
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*(CARD32 *)(buffer) = str_len;
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buffer += 4;
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memcpy(buffer, s->s.value, str_len);
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buffer += str_len;
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len = OFFSET_ADD(str_len) - str_len;
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memset(buffer, 0, len);
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buffer += len;
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break;
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case SETTING_TYPE_COLOR:
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*(CARD16 *)(buffer) = s->c.red;
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*(CARD16 *)(buffer + 2) = s->c.green;
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*(CARD16 *)(buffer + 4) = s->c.blue;
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*(CARD16 *)(buffer + 6) = s->c.alpha;
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buffer += 8;
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break;
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}
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return buffer;
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}
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static void
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_e_xsettings_apply(Settings_Manager *sm)
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{
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unsigned char *data;
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unsigned char *pos;
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size_t len = 12;
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Setting *s;
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Eina_List *l;
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EINA_LIST_FOREACH(settings, l, s)
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len += s->length;
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pos = data = malloc(len);
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if (!data) return;
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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*pos = LSBFirst;
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#else
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*pos = MSBFirst;
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#endif
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pos += 4;
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*(CARD32*)pos = sm->serial++;
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pos += 4;
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*(CARD32*)pos = eina_list_count(settings);
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pos += 4;
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EINA_LIST_FOREACH(settings, l, s)
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pos = _e_xsettings_copy(pos, s);
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ecore_x_window_prop_property_set(sm->selection,
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_atom_xsettings,
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_atom_xsettings,
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8, data, len);
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free(data);
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}
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static void
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_e_xsettings_update(void)
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{
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Settings_Manager *sm;
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Eina_List *l;
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EINA_LIST_FOREACH(managers, l, sm)
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if (sm->selection) _e_xsettings_apply(sm);
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}
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static Eina_Bool
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_cb_icon_theme_change(void *data __UNUSED__, int type __UNUSED__, void *event)
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{
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E_Event_Config_Icon_Theme *ev = event;
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if (e_config->xsettings.match_e17_icon_theme)
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{
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_e_xsettings_string_set(_setting_icon_theme_name,
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ev->icon_theme);
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_e_xsettings_update();
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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static void
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_e_xsettings_icon_theme_set(void)
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{
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if (e_config->xsettings.match_e17_icon_theme)
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{
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_e_xsettings_string_set(_setting_icon_theme_name,
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e_config->icon_theme);
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return;
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}
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if (e_config->xsettings.net_icon_theme_name)
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{
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_e_xsettings_string_set(_setting_icon_theme_name,
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e_config->xsettings.net_icon_theme_name);
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return;
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}
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_e_xsettings_string_set(_setting_icon_theme_name, NULL);
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}
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static void
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_e_xsettings_theme_set(void)
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{
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if (e_config->xsettings.match_e17_theme)
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{
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E_Config_Theme *ct;
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if ((ct = e_theme_config_get("theme")))
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{
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char *theme;
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if ((theme = edje_file_data_get(ct->file, "gtk-theme")))
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{
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char buf[4096], *dir;
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Eina_List *xdg_dirs, *l;
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e_user_homedir_snprintf(buf, sizeof(buf), ".themes/%s", theme);
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if (ecore_file_exists(buf))
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{
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_e_xsettings_string_set(_setting_theme_name, theme);
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return;
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}
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xdg_dirs = efreet_data_dirs_get();
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EINA_LIST_FOREACH(xdg_dirs, l, dir)
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{
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snprintf(buf, sizeof(buf), "%s/themes/%s", dir, theme);
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if (ecore_file_exists(buf))
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{
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_e_xsettings_string_set(_setting_theme_name, theme);
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return;
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}
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}
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}
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}
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}
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if (e_config->xsettings.net_theme_name)
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{
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_e_xsettings_string_set(_setting_theme_name,
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e_config->xsettings.net_theme_name);
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return;
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}
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_e_xsettings_string_set(_setting_theme_name, NULL);
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}
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static void
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_e_xsettings_font_set(void)
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{
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E_Font_Default *efd;
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E_Font_Properties *efp;
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efd = e_font_default_get("application");
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if (efd && efd->font)
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{
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efp = e_font_fontconfig_name_parse(efd->font);
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if (efp->name)
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{
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int size = efd->size;
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char buf[128];
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/* TODO better way to convert evas font sizes? */
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if (size < 0) size /= -10;
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if (size < 5) size = 5;
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if (size > 25) size = 25;
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snprintf(buf, sizeof(buf), "%s %d", efp->name, size);
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_e_xsettings_string_set(_setting_font_name, buf);
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e_font_properties_free(efp);
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return;
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}
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e_font_properties_free(efp);
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}
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_e_xsettings_string_set(_setting_font_name, NULL);
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}
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static void
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_e_xsettings_xft_set(void)
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{
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if (e_config->scale.use_dpi)
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_e_xsettings_int_set(_setting_xft_dpi, e_config->scale.base_dpi, EINA_TRUE);
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else
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_e_xsettings_int_set(_setting_xft_dpi, 0, EINA_FALSE);
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}
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static void
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_e_xsettings_start(void)
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{
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Eina_List *l;
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E_Manager *man;
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if (running) return;
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_e_xsettings_theme_set();
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_e_xsettings_icon_theme_set();
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_e_xsettings_font_set();
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EINA_LIST_FOREACH(e_manager_list(), l, man)
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{
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Settings_Manager *sm = E_NEW(Settings_Manager, 1);
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sm->man = man;
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if (!_e_xsettings_activate(sm))
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_e_xsettings_retry(sm);
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managers = eina_list_append(managers, sm);
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}
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handlers = eina_list_append(handlers, ecore_event_handler_add(E_EVENT_CONFIG_ICON_THEME,
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_cb_icon_theme_change, NULL));
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running = EINA_TRUE;
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}
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static void
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_e_xsettings_stop(void)
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{
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Settings_Manager *sm;
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Ecore_Event_Handler *h;
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Setting *s;
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if (!running) return;
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EINA_LIST_FREE(managers, sm)
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{
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if (sm->timer_retry)
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ecore_timer_del(sm->timer_retry);
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_e_xsettings_deactivate(sm);
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E_FREE(sm);
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}
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EINA_LIST_FREE(settings, s)
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{
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if (s->name) eina_stringshare_del(s->name);
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if (s->s.value) eina_stringshare_del(s->s.value);
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E_FREE(s);
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}
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EINA_LIST_FREE(handlers, h)
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ecore_event_handler_del(h);
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running = EINA_FALSE;
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}
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EINTERN int
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e_xsettings_init(void)
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{
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_atom_manager = ecore_x_atom_get("MANAGER");
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_atom_xsettings = ecore_x_atom_get("_XSETTINGS_SETTINGS");
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if (e_config->xsettings.enabled)
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_e_xsettings_start();
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return 1;
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}
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EINTERN int
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e_xsettings_shutdown(void)
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{
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_e_xsettings_stop();
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return 1;
|
|
}
|
|
|
|
EAPI void
|
|
e_xsettings_config_update(void)
|
|
{
|
|
if (!e_config->xsettings.enabled)
|
|
{
|
|
_e_xsettings_stop();
|
|
return;
|
|
}
|
|
|
|
if (!running)
|
|
{
|
|
_e_xsettings_start();
|
|
}
|
|
else
|
|
{
|
|
_e_xsettings_theme_set();
|
|
_e_xsettings_icon_theme_set();
|
|
_e_xsettings_font_set();
|
|
_e_xsettings_update();
|
|
}
|
|
}
|