C++ GTK_EDITABLE函數代碼示例

/* Commit changes to the MateConf database. */
static gboolean
config_entry_commit (GtkWidget *entry, GdkEvent *event, gpointer callback_data)
{
  gchar *text;
  const gchar *key;
  MateConfClient *client;
  
  client = g_object_get_data (G_OBJECT (entry), "client");  

  text = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1);

  key = g_object_get_data (G_OBJECT (entry), "key");

  /* Unset if the string is zero-length, otherwise set */
  if (*text != '\0')
    mateconf_client_set_string (client, key, text, NULL);
  else
    mateconf_client_unset (client, key, NULL);
  
  g_free (text);

  return FALSE;
}

static void edit_hist_back(edit *e)
{
	const char *text = gtk_entry_get_text(e->edit_w);
	if(e->ch) {
		if(!e->ch->h)
			return;
		e->ch = e->ch->h;
	} else {
		if(!e->h)
			return;
		if(!strcmp(text, e->h->e)) {
			if(!e->h->h)
				return;
			e->ch = e->h->h;
		} else {
			if(text[0])
				e->hold = mame_strdup(text);
			e->ch = e->h;
		}
	}
	gtk_entry_set_text(e->edit_w, e->ch->e);
	gtk_editable_select_region(GTK_EDITABLE(e->edit_w), 0, -1);
}

static void
expander_activated_cb (GtkExpander *w,
                       CajaFileConflictDialog *dialog)
{
    CajaFileConflictDialogDetails *details;
    int start_pos, end_pos;

    details = dialog->details;

    if (!gtk_expander_get_expanded (w))
    {
        if (g_strcmp0 (gtk_entry_get_text (GTK_ENTRY (details->entry)),
                       details->conflict_name) == 0)
        {
            gtk_widget_grab_focus (details->entry);

            eel_filename_get_rename_region (details->conflict_name,
                                            &start_pos, &end_pos);
            gtk_editable_select_region (GTK_EDITABLE (details->entry),
                                        start_pos, end_pos);
        }
    }
}

void XttTblGtk::activate_command(GtkWidget* w, gpointer data)
{
  XttTbl* xtt = (XttTbl*)data;

  if (!xtt->is_authorized())
    return;

  if (xtt->command_open) {
    g_object_set(((XttTblGtk*)xtt)->cmd_input, "visible", FALSE, NULL);
    xtt->set_prompt("");
    xtt->command_open = 0;
    return;
  }

  gtk_editable_delete_text(GTK_EDITABLE(((XttTblGtk*)xtt)->cmd_input), 0, -1);

  g_object_set(((XttTblGtk*)xtt)->cmd_input, "visible", TRUE, NULL);
  xtt->message(' ', "");
  gtk_widget_grab_focus(((XttTblGtk*)xtt)->cmd_input);

  xtt->set_prompt("xtt >");
  xtt->command_open = 1;
}

/*!
  \brief updates the curve with new data from the corresponding text entry
  This extracts the curve axis and index from the widget in order to know 
  which vertex of the curve to change
  \param widget is hte entry that was changed via the user
  \param data is a pointer to the curve to update
  \returns FALSE
  */
G_MODULE_EXPORT gboolean update_2d_curve(GtkWidget *widget, gpointer data)
{
	GtkWidget *curve = (GtkWidget *)data;
	MtxCurveCoord point;
	Axis axis;
	gint index = 0;
	gchar * text = NULL;
	gfloat tmpf = 0.0;

	index = (GINT) OBJ_GET(widget,"curve_index");
	axis = (Axis) OBJ_GET(widget,"curve_axis");
	mtx_curve_get_coords_at_index(MTX_CURVE(curve),index,&point);
	text = gtk_editable_get_chars(GTK_EDITABLE(widget),0,-1);
	tmpf = (gfloat)strtod(g_strdelimit(text,",.",'.'),NULL);
	if (axis == _X_)
		point.x = tmpf;
	else if (axis == _Y_)
		point.y = tmpf;
	else
		printf(_("ERROR in update_2d_curve()!!!\n"));
	mtx_curve_set_coords_at_index(MTX_CURVE(curve),index,point);
	return FALSE;
}

static void
selection_changed_callback (GtkWidget *widget,
                            gpointer callback_data)
{
    TargetCallbackData *target_data;
    GtkEditable *editable;
    int start, end;

    target_data = (TargetCallbackData *) callback_data;
    g_assert (target_data != NULL);

    editable = GTK_EDITABLE (widget);
    g_assert (editable != NULL);

    if (gtk_editable_get_selection_bounds (editable, &start, &end) && start != end)
    {
        set_clipboard_menu_items_sensitive (target_data->action_group);
    }
    else
    {
        set_clipboard_menu_items_insensitive (target_data->action_group);
    }
}

/**
 * \internal
 */
static void category_edit_add_request(CategoryEdit * category_edit, GtkWidget *combo)
{
    gchar *name;
    GtkWidget *entry;

    entry = gtk_bin_get_child (GTK_BIN (category_edit->categories_combo));
    gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
    gtk_widget_grab_focus (entry);
    name = gtk_combo_box_get_active_text(GTK_COMBO_BOX(combo));
    if (check_duplicate (GEBR_GUI_SEQUENCE_EDIT(category_edit), name) ||
            __category_edit_check_text(name)) {
        g_free(name);
        return;
    }

    debr_has_category(name, TRUE);
    __category_edit_add(category_edit, GEBR_GEOXML_SEQUENCE(gebr_geoxml_flow_append_category(category_edit->menu, name)));

    validate_image_set_check_category_list(category_edit->validate_image, category_edit->menu);
    g_signal_emit_by_name(category_edit, "changed");

    g_free(name);
}

EXPORT wBool_t wTextSave(
		wText_p bt,
		const char * fileName )
{
#ifndef USE_TEXTVIEW
	int siz, pos, cnt;
#endif
	FILE * f;
	char * cp;

	f = fopen( fileName, "w" );
	if (f==NULL) {
		wNoticeEx( NT_ERROR, fileName, "Ok", NULL );
		return FALSE;
	}
#ifdef USE_TEXTVIEW
	cp = gtkGetText( bt );
	fwrite( cp, 1, strlen(cp), f );
	free(cp);
#else
	siz = gtk_text_get_length( GTK_TEXT(bt->text) );
	pos = 0;
	cnt = BUFSIZ;
	while (pos<siz) {
		if (pos+cnt>siz)
			 cnt = siz-pos;
		cp = gtk_editable_get_chars( GTK_EDITABLE(bt->text), pos, pos+cnt );
		if (cp == NULL)
			break;
		fwrite( cp, 1, cnt, f );
		free(cp);
		pos += cnt;
	}
#endif
	fclose(f);
	return TRUE;
}

static void
wep_entry_filter_cb (GtkEntry *   entry,
                     const gchar *text,
                     gint         length,
                     gint *       position,
                     gpointer     data)
{
	WirelessSecurityWEPKey *sec = (WirelessSecurityWEPKey *) data;
	GtkEditable *editable = GTK_EDITABLE (entry);
	int i, count = 0;
	gchar *result = g_new (gchar, length);

	if (sec->type == NM_WEP_KEY_TYPE_KEY) {
		for (i = 0; i < length; i++) {
			if (isxdigit(text[i]) || isascii(text[i]))
				result[count++] = text[i];
		}
	} else if (sec->type == NM_WEP_KEY_TYPE_PASSPHRASE) {
		for (i = 0; i < length; i++)
			result[count++] = text[i];
	}

	if (count == 0)
		goto out;

	g_signal_handlers_block_by_func (G_OBJECT (editable),
	                                 G_CALLBACK (wep_entry_filter_cb),
	                                 data);
	gtk_editable_insert_text (editable, result, count, position);
	g_signal_handlers_unblock_by_func (G_OBJECT (editable),
	                                   G_CALLBACK (wep_entry_filter_cb),
	                                   data);

out:
	g_signal_stop_emission_by_name (G_OBJECT (editable), "insert-text");
	g_free (result);
}

static gboolean
create_ring_account(RingMainWindow *win)
{
    g_return_val_if_fail(IS_RING_MAIN_WINDOW(win), G_SOURCE_REMOVE);
    RingMainWindowPrivate *priv = RING_MAIN_WINDOW_GET_PRIVATE(win);

    /* create account and set UPnP enabled, as its not by default in the daemon */
    const gchar *alias = gtk_entry_get_text(GTK_ENTRY(priv->entry_alias));
    Account *account = AccountModel::instance().add(alias, Account::Protocol::RING);
    account->setDisplayName(alias); // set the display name to the same as the alias
    account->setUpnpEnabled(TRUE);

    /* wait for hash to be generated to show the next view */
    priv->hash_updated = QObject::connect(
        account,
        &Account::changed,
        [=] (Account *a) {
            QString hash = a->username();
            if (!hash.isEmpty()) {
                /* set the hash */
                gtk_entry_set_text(GTK_ENTRY(priv->entry_hash), hash.toUtf8().constData());

                /* show the next accont creation view */
                gtk_stack_set_transition_type(GTK_STACK(priv->stack_main_view), GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT);
                gtk_stack_set_visible_child_name(GTK_STACK(priv->stack_main_view), CREATE_ACCOUNT_2_VIEW_NAME);

                /* select the hash text */
                gtk_widget_grab_focus(priv->entry_hash);
                gtk_editable_select_region(GTK_EDITABLE(priv->entry_hash), 0, -1);
            }
        }
    );

    account->performAction(Account::EditAction::SAVE);

    return G_SOURCE_REMOVE;
}

static GtkCellEditable*
thunar_text_renderer_start_editing (GtkCellRenderer     *renderer,
                                    GdkEvent            *event,
                                    GtkWidget           *widget,
                                    const gchar         *path,
                                    GdkRectangle        *background_area,
                                    GdkRectangle        *cell_area,
                                    GtkCellRendererState flags)
{
  ThunarTextRenderer *text_renderer = THUNAR_TEXT_RENDERER (renderer);

  /* verify that we are editable */
  if (renderer->mode != GTK_CELL_RENDERER_MODE_EDITABLE)
    return NULL;

  /* allocate a new text entry widget to be used for editing */
  text_renderer->entry = g_object_new (GTK_TYPE_ENTRY,
                                       "has-frame", FALSE,
                                       "text", text_renderer->text,
                                       "visible", TRUE,
                                       "xalign", renderer->xalign,
                                       NULL);

  /* select the whole text */
  gtk_editable_select_region (GTK_EDITABLE (text_renderer->entry), 0, -1);

  /* remember the tree path that we're editing */
  g_object_set_data_full (G_OBJECT (text_renderer->entry), I_("thunar-text-renderer-path"), g_strdup (path), g_free);

  /* connect required signals */
  g_signal_connect (G_OBJECT (text_renderer->entry), "editing-done", G_CALLBACK (thunar_text_renderer_editing_done), text_renderer);
  g_signal_connect_after (G_OBJECT (text_renderer->entry), "grab-focus", G_CALLBACK (thunar_text_renderer_grab_focus), text_renderer);
  g_signal_connect (G_OBJECT (text_renderer->entry), "focus-out-event", G_CALLBACK (thunar_text_renderer_focus_out_event), text_renderer);
  g_signal_connect (G_OBJECT (text_renderer->entry), "populate-popup", G_CALLBACK (thunar_text_renderer_populate_popup), text_renderer);

  return GTK_CELL_EDITABLE (text_renderer->entry);
}

static void
new_chatroom_dialog_update_widgets (EmpathyNewChatroomDialog *dialog)
{
	const gchar           *protocol;

	if (dialog->account == NULL)
		return;

	protocol = tp_account_get_protocol (dialog->account);

	gtk_entry_set_text (GTK_ENTRY (dialog->entry_server), "");

	/* hardcode here known protocols */
	if (strcmp (protocol, "jabber") == 0) {
		gtk_widget_set_sensitive (dialog->entry_server, TRUE);
	}
	else if (strcmp (protocol, "local-xmpp") == 0) {
		gtk_widget_set_sensitive (dialog->entry_server, FALSE);
	}
	else if (strcmp (protocol, "irc") == 0) {
		gtk_widget_set_sensitive (dialog->entry_server, FALSE);
	}
	else {
		gtk_widget_set_sensitive (dialog->entry_server, TRUE);
	}

	if (!tp_strdiff (protocol, "irc"))
		gtk_entry_set_text (GTK_ENTRY (dialog->entry_room), "#");
	else
		gtk_entry_set_text (GTK_ENTRY (dialog->entry_room), "");

	update_join_button_sensitivity (dialog);

	/* Final set up of the dialog */
	gtk_widget_grab_focus (dialog->entry_room);
	gtk_editable_set_position (GTK_EDITABLE (dialog->entry_room), -1);
}

int
ags_machine_popup_rename_audio_response_callback(GtkWidget *widget, gint response, AgsMachine *machine)
{
  if(response == GTK_RESPONSE_ACCEPT){
    GList *children;

    gchar *str;

    children = gtk_container_get_children((GtkContainer *) GTK_DIALOG(widget)->vbox);
    
    str = gtk_editable_get_chars(GTK_EDITABLE(children->data),
				 0, -1);
    g_object_set(machine->audio,
		 "audio-name", str,
		 NULL);
    
    g_list_free(children);
  }
  
  machine->rename_audio = NULL;
  gtk_widget_destroy(widget);

  return(0);
}

static void
integer_set(node_gui_t *ng)
{
    unsigned long oldvalue;
    const cml_atom *oldvalue_a;
    unsigned long newvalue;
    char *newvalue_str;
    
    oldvalue_a = cml_node_get_value(ng->node);
    oldvalue = oldvalue_a->value.integer;
    newvalue_str = gtk_editable_get_chars(GTK_EDITABLE(ng->entry), 0, -1);
    newvalue = (unsigned long)strtoul(newvalue_str, 0, 0);
    
    if (oldvalue != newvalue)
    {
	cml_atom a;
	a.type = oldvalue_a->type;
	a.value.integer = newvalue;
	set_value(ng->node, &a);
    }
    integer_update_value(ng);

    g_free(newvalue_str);
}

EXPORT wBool_t wTextPrint(
		wText_p bt )
{
	wPrinterStream_p f;
#ifndef USE_TEXTVIEW
	int siz, pos, cnt;
#endif
	char * cp;

	f = wPrinterOpen();
	if (f==NULL) {
		return FALSE;
	}
#ifdef USE_TEXTVIEW
	cp = gtkGetText( bt );
	wPrinterWrite( f, cp, strlen(cp) );
	free(cp);

#else
	siz = gtk_text_get_length( GTK_TEXT(bt->text) );
	pos = 0;
	cnt = BUFSIZ;
	while (pos<siz) {
		if (pos+cnt>siz)
			 cnt = siz-pos;
		cp = gtk_editable_get_chars( GTK_EDITABLE(bt->text), pos, pos+cnt );
		if (cp == NULL)
			break;
		wPrinterWrite( f, cp, cnt );
		free(cp);
		pos += cnt;
	}
#endif
	wPrinterClose(f);
	return TRUE;
}