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Diffstat (limited to 'frontends/atari/gemtk/aestabs.c')
| -rw-r--r-- | frontends/atari/gemtk/aestabs.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/frontends/atari/gemtk/aestabs.c b/frontends/atari/gemtk/aestabs.c new file mode 100644 index 000000000..519676514 --- /dev/null +++ b/frontends/atari/gemtk/aestabs.c @@ -0,0 +1,191 @@ +/*
+ * Copyright 2013 Ole Loots <ole@monochrom.net>
+ *
+ * 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/>.
+ */ + +#include <stdlib.h> +#include <assert.h> +#include <gem.h> +#include <cflib.h> +#include "aestabs.h" + +#ifndef NDEBUG +# define DEBUG_PRINT(x) printf x +#else +# define DEBUG_PRINT(x) +#endif + + +AES_TABLIST * tablist_declare(OBJECT *tree, aes_tablist_user_func user_func) +{ + AES_TABLIST * newlist = malloc(sizeof(AES_TABLIST)); + + newlist->first = NULL; + newlist->tree = tree; + newlist->user_func = user_func; + DEBUG_PRINT(("aes_tablist_declare: %p\n", newlist)); + return(newlist); +} + + +AES_TAB * tablist_add(AES_TABLIST * tablist, short obj_tab, OBJECT * page_tree, + short obj_page) +{ + AES_TAB * newtab = malloc(sizeof(AES_TAB)); + + assert(newtab); + assert(tablist); + + newtab->next = NULL; + newtab->prev = NULL; + newtab->obj_tab = obj_tab; + newtab->obj_page = obj_page; + newtab->page_tree = page_tree; + + if(newtab->page_tree == NULL){ + newtab->page_tree = tablist->tree; + } + + if (tablist->first == NULL) { + tablist->first = newtab; + set_state(tablist->tree, newtab->obj_tab, OS_SELECTED, 0); + } else { + AES_TAB *tmp = tablist->first; + while( tmp->next != NULL ) { + tmp = tmp->next; + } + tmp->next = newtab; + newtab->prev = tmp; + newtab->next = NULL; + set_state(tablist->tree, newtab->obj_tab, OS_SELECTED, 0); + } + + // TODO: Set the visible flag on that register? + + DEBUG_PRINT(("tablist_add: Tab=%p\n", newtab)); + + return(newtab); +} + + +short tablist_activate(AES_TABLIST * tablist, short tab, short options) +{ + AES_TAB *tmp, *activated=NULL, *deactivated=NULL; + struct aes_tab_s *active; + short activated_pg = -1; + short is_tab = 0; + + assert(tablist); + assert(tablist->first); + + active = tablist_get_active(tablist); + + if (active != NULL) { + if ((options & AES_TABLIST_OPTION_FORCE_EVENTS) == 0) { + if(active->obj_tab == tab) + return(0); + } + } + + tmp = tablist->first; + while (tmp != NULL) { + if(tmp->obj_tab == tab) { + is_tab = 1; + } + tmp = tmp->next; + } + + if(is_tab == 0) { + return(0); + } + + tmp = tablist->first; + while ( tmp != NULL ) { + if(tab != tmp->obj_tab) { + if (get_state(tablist->tree, tmp->obj_tab, OS_SELECTED) != 0) { + deactivated = tmp; + set_state(tablist->tree, tmp->obj_tab, OS_SELECTED, 0); + } + // the tab registers can share the same page, consider that: + if (tablist->tree == tmp->page_tree + && activated_pg != tmp->obj_page) { + + set_flag(tablist->tree, tmp->obj_page, OF_HIDETREE, 1); + } + } else { + activated = tmp; + // this tab must the selected / visible + set_state(tablist->tree, tmp->obj_tab, OS_SELECTED, 1); + if(tablist->tree == tmp->page_tree) + set_flag(tablist->tree, tmp->obj_page, OF_HIDETREE, 0); + activated_pg = tmp->obj_page; + } + tmp = tmp->next; + } + + if(tablist->user_func != NULL) { + AES_TABLIST_FUNC_ARGS args; + if(deactivated){ + args.event = AES_TABLIST_TAB_DEACTIVATED; + args.tab = deactivated; + tablist->user_func(tablist, &args); + } + if(activated){ + args.event = AES_TABLIST_TAB_ACTIVATED; + args.tab = activated; + tablist->user_func(tablist, &args); + } + } + return(1); +} + +struct aes_tab_s *tablist_get_active(AES_TABLIST * tablist) +{ + AES_TAB *tmp = tablist->first; + while( tmp != NULL ) { + if(get_state(tablist->tree, tmp->obj_tab, OS_SELECTED) != 0) { + // that's the one + return(tmp); + } + tmp = tmp->next; + } + return(NULL); +} + +AES_TAB * tablist_find(AES_TABLIST * tablist, OBJECT * page, short tab) +{ + AES_TAB *tmp = tablist->first; + while( tmp != NULL ) { + if((tmp->page_tree == page) && (tab == tmp->obj_tab)) { + return(tmp); + } + tmp = tmp->next; + } + return(NULL); +} + +void tablist_delete(AES_TABLIST *tablist) +{ + AES_TAB *tmp = tablist->first, *cur; + while ( tmp != NULL ) { + cur = tmp; + tmp = tmp->next; + DEBUG_PRINT(("tablist_delete, Freeing tab: %p\n", cur)); + free(cur); + } + DEBUG_PRINT(("tablist_delete, Freeing list: %p\n", tablist)); + free(tablist); +} |