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Diffstat (limited to 'frontends/kolibrios/fb/clipboard.c')
-rw-r--r-- | frontends/kolibrios/fb/clipboard.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/frontends/kolibrios/fb/clipboard.c b/frontends/kolibrios/fb/clipboard.c new file mode 100644 index 000000000..1254c36f3 --- /dev/null +++ b/frontends/kolibrios/fb/clipboard.c @@ -0,0 +1,105 @@ +/* + * Copyright 2012 Michael Drake <tlsa@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/** \file + * nsfb internal clipboard handling + */ + +#include <assert.h> +#include <stdint.h> +#include <string.h> +#include <stdlib.h> + +#include "utils/log.h" +#include "netsurf/browser_window.h" +#include "netsurf/clipboard.h" + +#include "framebuffer/gui.h" +#include "framebuffer/clipboard.h" + + +static struct gui_clipboard { + char *buffer; + size_t buffer_len; + size_t length; +} gui_clipboard; + + +/** + * Core asks front end for clipboard contents. + * + * \param buffer UTF-8 text, allocated by front end, ownership yeilded to core + * \param length Byte length of UTF-8 text in buffer + */ +static void gui_get_clipboard(char **buffer, size_t *length) +{ + *buffer = NULL; + *length = 0; + + if (gui_clipboard.length > 0) { + assert(gui_clipboard.buffer != NULL); + LOG("Pasting %zd bytes: \"%s\"\n", + gui_clipboard.length, gui_clipboard.buffer); + + *buffer = malloc(gui_clipboard.length); + + if (*buffer != NULL) { + memcpy(*buffer, gui_clipboard.buffer, + gui_clipboard.length); + *length = gui_clipboard.length; + } + } +} + + +/** + * Core tells front end to put given text in clipboard + * + * \param buffer UTF-8 text, owned by core + * \param length Byte length of UTF-8 text in buffer + * \param styles Array of styles given to text runs, owned by core, or NULL + * \param n_styles Number of text run styles in array + */ +static void gui_set_clipboard(const char *buffer, size_t length, + nsclipboard_styles styles[], int n_styles) +{ + if (gui_clipboard.buffer_len < length + 1) { + /* Make buffer big enough */ + char *new_buff; + + new_buff = realloc(gui_clipboard.buffer, length + 1); + if (new_buff == NULL) + return; + + gui_clipboard.buffer = new_buff; + gui_clipboard.buffer_len = length + 1; + } + + gui_clipboard.length = 0; + + memcpy(gui_clipboard.buffer, buffer, length); + gui_clipboard.length = length; + gui_clipboard.buffer[gui_clipboard.length] = '\0'; +} + +static struct gui_clipboard_table clipboard_table = { + .get = gui_get_clipboard, + .set = gui_set_clipboard, +}; + +struct gui_clipboard_table *framebuffer_clipboard_table = &clipboard_table; |