mirror of
https://github.com/netsurf-browser/netsurf
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[project @ 2006-01-06 15:36:09 by rjw]
Faster reading of available themes. svn path=/import/netsurf/; revision=1994
This commit is contained in:
Richard Wilson
parent
eddf11ba5c
commit
efb0194748
196
riscos/theme.c
196
riscos/theme.c
@ -55,6 +55,7 @@ static const char * theme_hotlist_icons[] = {"delete", "expand", "open",
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static const char * theme_history_icons[] = {"delete", "expand", "open",
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"launch", NULL};
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static bool ro_gui_theme_add_descriptor(const char *folder, const char *leafname);
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static void ro_gui_theme_redraw(wimp_draw *redraw);
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static void ro_gui_theme_get_available_in_dir(const char *directory);
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static void ro_gui_theme_free(struct theme_descriptor *descriptor);
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@ -117,7 +118,13 @@ static char theme_separator_name[] = "separator\0";
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* Initialise the theme handler
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*/
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void ro_gui_theme_initialise(void) {
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struct theme_descriptor *descriptor;
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theme_descriptors = ro_gui_theme_get_available();
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descriptor = ro_gui_theme_find(option_theme);
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if (!descriptor)
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descriptor = ro_gui_theme_find("Aletheia");
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ro_gui_theme_apply(descriptor);
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}
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@ -169,20 +176,20 @@ struct theme_descriptor *ro_gui_theme_get_available(void) {
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struct theme_descriptor *test;
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char pathname[256];
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/* Close any descriptors we've got so far
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*/
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/* close any descriptors we've got so far */
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ro_gui_theme_free(theme_descriptors);
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/* scan !NetSurf.Resources.* and our choices directory */
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/* add our default 'Aletheia' theme */
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snprintf(pathname, 256, "%s.Resources", NETSURF_DIR);
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pathname[255] = '\0';
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ro_gui_theme_get_available_in_dir(pathname);
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ro_gui_theme_add_descriptor(pathname, "Aletheia");
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/* scan our choices directory */
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snprintf(pathname, 256, "%s%s", THEME_PATH_R, THEME_LEAFNAME);
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pathname[255] = '\0';
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ro_gui_theme_get_available_in_dir(pathname);
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/* Sort alphabetically in a very rubbish way
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*/
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/* sort alphabetically in a very rubbish way */
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if ((theme_descriptors) && (theme_descriptors->next)) {
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current = theme_descriptors;
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while ((test = current->next)) {
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@ -215,21 +222,13 @@ struct theme_descriptor *ro_gui_theme_get_available(void) {
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* \param directory the directory to scan
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*/
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static void ro_gui_theme_get_available_in_dir(const char *directory) {
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struct theme_file_header file_header;
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struct theme_descriptor *current;
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char pathname[256];
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int context = 0;
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int read_count;
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osgbpb_INFO(100) info;
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int output_left;
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os_fw file_handle;
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os_error *error;
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/* Create a new set
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*/
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while (context != -1) {
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/* Get the next entry
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*/
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/* read some directory info */
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error = xosgbpb_dir_entries_info(directory,
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(osgbpb_info_list *) &info, 1, context,
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sizeof(info), 0, &read_count, &context);
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@ -242,87 +241,96 @@ static void ro_gui_theme_get_available_in_dir(const char *directory) {
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break;
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}
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/* Check if we've read anything
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*/
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if (read_count == 0)
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continue;
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/* Get our full filename
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*/
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snprintf(pathname, sizeof pathname, "%s.%s",
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directory, info.name);
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pathname[sizeof pathname - 1] = 0;
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/* Only process files
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*/
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if ((info.obj_type == fileswitch_IS_FILE) &&
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(!ro_gui_theme_find(info.name))) {
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/* Get the header
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*/
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error = xosfind_openinw(osfind_NO_PATH, pathname, 0,
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&file_handle);
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if (error) {
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LOG(("xosfind_openinw: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("FileError", error->errmess);
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continue;
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}
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if (file_handle == 0)
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continue;
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error = xosgbpb_read_atw(file_handle,
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(char *)&file_header,
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sizeof (struct theme_file_header),
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0, &output_left);
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xosfind_closew(file_handle);
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if (error) {
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LOG(("xosbgpb_read_atw: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("FileError", error->errmess);
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continue;
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}
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if (output_left > 0)
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continue; /* should try to read more? */
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/* Create a new theme descriptor
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*/
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current = (struct theme_descriptor *)calloc(1,
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sizeof(struct theme_descriptor));
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if (!current) {
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LOG(("calloc failed"));
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warn_user("NoMemory", 0);
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return;
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}
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if (!ro_gui_theme_read_file_header(current,
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&file_header)) {
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free(current);
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continue;
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}
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current->filename = malloc(strlen(pathname) + 1);
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if (!current->filename) {
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LOG(("malloc failed"));
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warn_user("NoMemory", 0);
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free(current);
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return;
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}
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strcpy(current->filename, pathname);
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current->leafname = current->filename +
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strlen(directory) + 1;
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/* Link in our new descriptor
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*/
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if (theme_descriptors) {
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current->next = theme_descriptors;
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theme_descriptors->previous = current;
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}
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theme_descriptors = current;
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}
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/* only process files */
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if ((read_count != 0) && (info.obj_type == fileswitch_IS_FILE))
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ro_gui_theme_add_descriptor(directory, info.name);
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}
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}
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/**
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* Checks a theme is valid and adds it to the current list
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*
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* \param folder the theme folder
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* \param leafname the theme leafname
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* \return whether the theme was added
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*/
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bool ro_gui_theme_add_descriptor(const char *folder, const char *leafname) {
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struct theme_file_header file_header;
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struct theme_descriptor *current;
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int output_left;
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os_fw file_handle;
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os_error *error;
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char *filename;
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/* create a full filename */
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filename = malloc(strlen(folder) + strlen(leafname) + 2);
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if (!filename) {
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LOG(("No memory for malloc"));
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warn_user("NoMemory", 0);
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return false;
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}
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sprintf(filename, "%s.%s", folder, leafname);
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/* get the header */
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error = xosfind_openinw(osfind_NO_PATH, filename, 0,
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&file_handle);
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if (error) {
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LOG(("xosfind_openinw: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("FileError", error->errmess);
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free(filename);
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return false;
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}
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if (file_handle == 0) {
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free(filename);
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return false;
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}
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error = xosgbpb_read_atw(file_handle,
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(char *)&file_header,
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sizeof (struct theme_file_header),
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0, &output_left);
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xosfind_closew(file_handle);
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if (error) {
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LOG(("xosbgpb_read_atw: 0x%x: %s",
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error->errnum, error->errmess));
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warn_user("FileError", error->errmess);
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free(filename);
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return false;
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}
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if (output_left > 0) { /* should try to read more? */
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free(filename);
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return false;
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}
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/* create a new theme descriptor */
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current = (struct theme_descriptor *)calloc(1,
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sizeof(struct theme_descriptor));
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if (!current) {
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LOG(("calloc failed"));
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warn_user("NoMemory", 0);
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free(filename);
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return false;
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}
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if (!ro_gui_theme_read_file_header(current, &file_header)) {
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free(filename);
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free(current);
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return false;
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}
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current->filename = filename;
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current->leafname = current->filename + strlen(folder) + 1;
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/* link in our new descriptor at the head*/
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if (theme_descriptors) {
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current->next = theme_descriptors;
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theme_descriptors->previous = current;
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}
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theme_descriptors = current;
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return true;
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}
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/**
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* Fills in the basic details for a descriptor from a file header.
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* The filename string is not set.
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@ -549,8 +557,6 @@ bool ro_gui_theme_apply(struct theme_descriptor *descriptor) {
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/* apply the theme to all the current windows */
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ro_gui_window_update_theme();
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/* release the previous theme */
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ro_gui_theme_close(theme_previous, false);
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return true;
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}
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