diff options
Diffstat (limited to 'mdk-stage1/newt/checkboxtree.c')
-rw-r--r-- | mdk-stage1/newt/checkboxtree.c | 714 |
1 files changed, 0 insertions, 714 deletions
diff --git a/mdk-stage1/newt/checkboxtree.c b/mdk-stage1/newt/checkboxtree.c deleted file mode 100644 index b56bd1e9f..000000000 --- a/mdk-stage1/newt/checkboxtree.c +++ /dev/null @@ -1,714 +0,0 @@ -#include <slang.h> -#include <stdlib.h> -#include <string.h> - -#include "newt.h" -#include "newt_pr.h" - -struct items { - char * text; - const void *data; - unsigned char selected; - struct items *next; - struct items *prev; - struct items *branch; - int flags; - int depth; -}; - -struct CheckboxTree { - newtComponent sb; - int curWidth; /* size of text w/o scrollbar or border*/ - int curHeight; /* size of text w/o border */ - struct items * itemlist; - struct items ** flatList, ** currItem, ** firstItem; - int flatCount; - int flags; - int pad; - char * seq; - char * result; -}; - -static void ctDraw(newtComponent c); -static void ctDestroy(newtComponent co); -static void ctPlace(newtComponent co, int newLeft, int newTop); -struct eventResult ctEvent(newtComponent co, struct event ev); -static void ctMapped(newtComponent co, int isMapped); -static struct items * findItem(struct items * items, const void * data); -static void buildFlatList(newtComponent co); -static void doBuildFlatList(struct CheckboxTree * ct, struct items * item); -enum countWhat { COUNT_EXPOSED=0, COUNT_SELECTED=1 }; -static int countItems(struct items * item, enum countWhat justExposed); - -static struct componentOps ctOps = { - ctDraw, - ctEvent, - ctDestroy, - ctPlace, - ctMapped, -} ; - -static int countItems(struct items * item, enum countWhat what) { - int count = 0; - - while (item) { - if ((!item->branch && item->selected == what) || (what == COUNT_EXPOSED)) - count++; - if (item->branch || (what == COUNT_EXPOSED && item->selected)) - count += countItems(item->branch, what); - item = item->next; - } - - return count; -} - -static void doBuildFlatList(struct CheckboxTree * ct, struct items * item) { - while (item) { - ct->flatList[ct->flatCount++] = item; - if (item->branch && item->selected) doBuildFlatList(ct, item->branch); - item = item->next; - } -} - -static void buildFlatList(newtComponent co) { - struct CheckboxTree * ct = co->data; - - if (ct->flatList) free(ct->flatList); - ct->flatCount = countItems(ct->itemlist, COUNT_EXPOSED); - - ct->flatList = malloc(sizeof(*ct->flatList) * (ct->flatCount+1)); - ct->flatCount = 0; - doBuildFlatList(ct, ct->itemlist); - ct->flatList[ct->flatCount] = NULL; -} - -int newtCheckboxTreeAddItem(newtComponent co, - const char * text, const void * data, - int flags, int index, ...) { - va_list argList; - int numIndexes; - int * indexes; - int i; - - va_start(argList, index); - numIndexes = 0; - i = index; - while (i != NEWT_ARG_LAST) { - numIndexes++; - i = va_arg(argList, int); - } - - va_end(argList); - - indexes = alloca(sizeof(*indexes) * (numIndexes + 1)); - va_start(argList, index); - numIndexes = 0; - i = index; - va_start(argList, index); - while (i != NEWT_ARG_LAST) { - indexes[numIndexes++] = i; - i = va_arg(argList, int); - } - va_end(argList); - - indexes[numIndexes++] = NEWT_ARG_LAST; - - return newtCheckboxTreeAddArray(co, text, data, flags, indexes); -} - -static int doFindItemPath(struct items * items, void * data, int * path, - int * len) { - int where = 0; - - while (items) { - if (items->data == data) { - if (path) path[items->depth] = where; - if (len) *len = items->depth + 1; - return 1; - } - - if (items->branch && doFindItemPath(items->branch, data, path, len)) { - if (path) path[items->depth] = where; - return 1; - } - - items = items->next; - where++; - } - - return 0; -} - -int * newtCheckboxTreeFindItem(newtComponent co, void * data) { - int len; - int * path; - struct CheckboxTree * ct = co->data; - - if (!doFindItemPath(ct->itemlist, data, NULL, &len)) return NULL; - - path = malloc(sizeof(*path) * (len + 1)); - doFindItemPath(ct->itemlist, data, path, NULL); - path[len] = NEWT_ARG_LAST; - - return path; -} - -int newtCheckboxTreeAddArray(newtComponent co, - const char * text, const void * data, - int flags, int * indexes) { - struct items * curList, * newNode, * item = NULL; - struct items ** listPtr = NULL; - int i, index, numIndexes; - struct CheckboxTree * ct = co->data; - - numIndexes = 0; - while (indexes[numIndexes] != NEWT_ARG_LAST) numIndexes++; - - if (!ct->itemlist) { - if (numIndexes > 1) return -1; - - ct->itemlist = malloc(sizeof(*ct->itemlist)); - item = ct->itemlist; - item->prev = NULL; - item->next = NULL; - } else { - curList = ct->itemlist; - listPtr = &ct->itemlist; - - i = 0; - index = indexes[i]; - while (i < numIndexes) { - item = curList; - - if (index == NEWT_ARG_APPEND) { - item = NULL; - } else { - while (index && item) - item = item->next, index--; - } - - i++; - if (i < numIndexes) { - curList = item->branch; - listPtr = &item->branch; - if (!curList && (i + 1 != numIndexes)) return -1; - - index = indexes[i]; - } - } - - if (!curList) { /* create a new branch */ - item = malloc(sizeof(*curList->prev)); - item->next = item->prev = NULL; - *listPtr = item; - } else if (!item) { /* append to end */ - item = curList; - while (item->next) item = item->next; - item->next = malloc(sizeof(*curList->prev)); - item->next->prev = item; - item = item->next; - item->next = NULL; - } else { - newNode = malloc(sizeof(*newNode)); - newNode->prev = item->prev; - newNode->next = item; - - if (item->prev) item->prev->next = newNode; - item->prev = newNode; - item = newNode; - if (!item->prev) *listPtr = item; - } - } - - item->text = strdup(text); - item->data = data; - if (flags & NEWT_FLAG_SELECTED) { - item->selected = 1; - } else { - item->selected = 0; - } - item->flags = flags; - item->branch = NULL; - item->depth = numIndexes - 1; - - i = 4 + (3 * item->depth); - - if ((strlen(text) + i + ct->pad) > co->width) { - co->width = strlen(text) + i + ct->pad; - } - - return 0; -} - -static struct items * findItem(struct items * items, const void * data) { - struct items * i; - - while (items) { - if (items->data == data) return items; - if (items->branch) { - i = findItem(items->branch, data); - if (i) return i; - } - - items = items->next; - } - - return NULL; -} - -static void listSelected(struct items * items, int * num, const void ** list, int seqindex) { - while (items) { - if ((seqindex ? items->selected==seqindex : items->selected) && !items->branch) - list[(*num)++] = (void *) items->data; - if (items->branch) - listSelected(items->branch, num, list, seqindex); - items = items->next; - } -} - -const void ** newtCheckboxTreeGetSelection(newtComponent co, int *numitems) -{ - return newtCheckboxTreeGetMultiSelection(co, numitems, 0); -} - -const void ** newtCheckboxTreeGetMultiSelection(newtComponent co, int *numitems, char seqnum) -{ - struct CheckboxTree * ct; - const void **retval; - int seqindex=0; - - if(!co || !numitems) return NULL; - - ct = co->data; - - if (seqnum) { - while( ct->seq[seqindex] && ( ct->seq[seqindex] != seqnum )) seqindex++; - } else { - seqindex = 0; - } - - *numitems = countItems(ct->itemlist, (seqindex ? seqindex : COUNT_SELECTED)); - if (!*numitems) return NULL; - - retval = malloc(*numitems * sizeof(void *)); - *numitems = 0; - listSelected(ct->itemlist, numitems, retval, seqindex); - - return retval; -} - -newtComponent newtCheckboxTree(int left, int top, int height, int flags) { - return newtCheckboxTreeMulti(left, top, height, NULL, flags); -} - -newtComponent newtCheckboxTreeMulti(int left, int top, int height, char *seq, int flags) { - newtComponent co; - struct CheckboxTree * ct; - - co = malloc(sizeof(*co)); - ct = malloc(sizeof(struct CheckboxTree)); - co->callback = NULL; - co->data = ct; - co->ops = &ctOps; - co->takesFocus = 1; - co->height = height; - co->width = 0; - co->isMapped = 0; - ct->itemlist = NULL; - ct->firstItem = NULL; - ct->currItem = NULL; - ct->flatList = NULL; - if (seq) - ct->seq = strdup(seq); - else - ct->seq = strdup(" *"); - if (flags & NEWT_FLAG_SCROLL) { - ct->sb = newtVerticalScrollbar(left, top, height, - COLORSET_LISTBOX, COLORSET_ACTLISTBOX); - ct->pad = 2; - } else { - ct->sb = NULL; - ct->pad = 0; - } - - return co; -} - -static void ctMapped(newtComponent co, int isMapped) { - struct CheckboxTree * ct = co->data; - - co->isMapped = isMapped; - if (ct->sb) - ct->sb->ops->mapped(ct->sb, isMapped); -} - -static void ctPlace(newtComponent co, int newLeft, int newTop) { - struct CheckboxTree * ct = co->data; - - co->top = newTop; - co->left = newLeft; - - if (ct->sb) - ct->sb->ops->place(ct->sb, co->left + co->width - 1, co->top); -} - -int ctSetItem(newtComponent co, struct items *item, enum newtFlagsSense sense) -{ - struct CheckboxTree * ct = co->data; - struct items * currItem; - struct items * firstItem; - - if (!item) - return 1; - - switch(sense) { - case NEWT_FLAGS_RESET: - item->selected = 0; - break; - case NEWT_FLAGS_SET: - item->selected = 1; - break; - case NEWT_FLAGS_TOGGLE: - if (item->branch) - item->selected = !item->selected; - else { - item->selected++; - if (item->selected==strlen(ct->seq)) - item->selected = 0; - } - break; - } - - if (item->branch) { - currItem = *ct->currItem; - firstItem = *ct->firstItem; - - buildFlatList(co); - - ct->currItem = ct->flatList; - while (*ct->currItem != currItem) ct->currItem++; - - ct->firstItem = ct->flatList; - if (ct->flatCount > co->height) { - struct items ** last = ct->flatList + ct->flatCount - co->height; - while (*ct->firstItem != firstItem && ct->firstItem != last) - ct->firstItem++; - } - } - - return 0; -} - -static void ctSetItems(struct items *item, int selected) -{ - for (; item; item = item->next) { - if (!item->branch) - item->selected = selected; - else - ctSetItems(item->branch, selected); - } -} - -static void ctDraw(newtComponent co) { - struct CheckboxTree * ct = co->data; - struct items ** item; - int i, j; - char * spaces = NULL; - int currRow = -1; - - if (!co->isMapped) return ; - - if (!ct->firstItem) { - buildFlatList(co); - ct->firstItem = ct->currItem = ct->flatList; - } - - item = ct->firstItem; - - i = 0; - while (*item && i < co->height) { - newtGotorc(co->top + i, co->left); - if (*item == *ct->currItem) { - SLsmg_set_color(NEWT_COLORSET_ACTLISTBOX); - currRow = co->top + i; - } else - SLsmg_set_color(NEWT_COLORSET_LISTBOX); - - for (j = 0; j < (*item)->depth; j++) - SLsmg_write_string(" "); - - if ((*item)->branch) { - if ((*item)->selected) - SLsmg_write_string("<-> "); - else - SLsmg_write_string("<+> "); - } else { - char tmp[5]; - snprintf(tmp,5,"[%c] ",ct->seq[(*item)->selected]); - SLsmg_write_string(tmp); - } - - SLsmg_write_nstring((*item)->text, co->width - 4 - - (3 * (*item)->depth)); - item++; - i++; - } - - /* There could be empty lines left (i.e. if the user closes an expanded - list which is the last thing in the tree, and whose elements are - displayed at the bottom of the screen */ - if (i < co->height) { - spaces = alloca(co->width); - memset(spaces, ' ', co->width); - SLsmg_set_color(NEWT_COLORSET_LISTBOX); - } - while (i < co->height) { - newtGotorc(co->top + i, co->left); - SLsmg_write_nstring(spaces, co->width); - i++; - } - - if(ct->sb) { - newtScrollbarSet(ct->sb, ct->currItem - ct->flatList, - ct->flatCount - 1); - ct->sb->ops->draw(ct->sb); - } - - newtGotorc(currRow, co->left + 1); -} - -static void ctDestroy(newtComponent co) { - struct CheckboxTree * ct = co->data; - struct items * item, * nextitem; - - nextitem = item = ct->itemlist; - - while (item != NULL) { - nextitem = item->next; - free(item->text); - free(item); - item = nextitem; - } - - free(ct->seq); - free(ct); - free(co); -} - -struct eventResult ctEvent(newtComponent co, struct event ev) { - struct CheckboxTree * ct = co->data; - struct eventResult er; - struct items ** listEnd, ** lastItem; - int key, selnum = 1; - - er.result = ER_IGNORED; - - if(ev.when == EV_EARLY || ev.when == EV_LATE) { - return er; - } - - switch(ev.event) { - case EV_KEYPRESS: - key = ev.u.key; - if (key == (char) key && key != ' ') { - for (selnum = 0; ct->seq[selnum]; selnum++) - if (key == ct->seq[selnum]) - break; - if (!ct->seq[selnum]) - switch (key) { - case '-': selnum = 0; break; - case '+': - case '*': selnum = 1; break; - } - if (ct->seq[selnum]) - key = '*'; - } - switch(key) { - case ' ': - case NEWT_KEY_ENTER: - ctSetItem(co, *ct->currItem, NEWT_FLAGS_TOGGLE); - er.result = ER_SWALLOWED; - if (!(*ct->currItem)->branch || (*ct->currItem)->selected) - key = NEWT_KEY_DOWN; - else - key = '*'; - break; - case '*': - if ((*ct->currItem)->branch) { - ctSetItems((*ct->currItem)->branch, selnum); - if (!(*ct->currItem)->selected) - key = NEWT_KEY_DOWN; - } else { - (*ct->currItem)->selected = selnum; - key = NEWT_KEY_DOWN; - } - er.result = ER_SWALLOWED; - break; - } - switch (key) { - case '*': - ctDraw(co); - if(co->callback) co->callback(co, co->callbackData); - return er; - case NEWT_KEY_HOME: - ct->currItem = ct->flatList; - ct->firstItem = ct->flatList; - ctDraw(co); - if(co->callback) co->callback(co, co->callbackData); - er.result = ER_SWALLOWED; - return er; - case NEWT_KEY_END: - ct->currItem = ct->flatList + ct->flatCount - 1; - if (ct->flatCount <= co->height) - ct->firstItem = ct->flatList; - else - ct->firstItem = ct->flatList + ct->flatCount - co->height; - ctDraw(co); - if(co->callback) co->callback(co, co->callbackData); - er.result = ER_SWALLOWED; - return er; - case NEWT_KEY_DOWN: - if (ev.u.key != NEWT_KEY_DOWN) { - if(co->callback) co->callback(co, co->callbackData); - if (strlen(ct->seq) != 2) { - ctDraw(co); - return er; - } - } - if ((ct->currItem - ct->flatList + 1) < ct->flatCount) { - ct->currItem++; - - if (ct->currItem - ct->firstItem >= co->height) - ct->firstItem++; - - ctDraw(co); - } else if (ev.u.key != NEWT_KEY_DOWN) - ctDraw(co); - if(co->callback) co->callback(co, co->callbackData); - er.result = ER_SWALLOWED; - return er; - case NEWT_KEY_UP: - if (ct->currItem != ct->flatList) { - ct->currItem--; - - if (ct->currItem < ct->firstItem) - ct->firstItem = ct->currItem; - - ctDraw(co); - } - er.result = ER_SWALLOWED; - if(co->callback) co->callback(co, co->callbackData); - return er; - case NEWT_KEY_PGUP: - if (ct->firstItem - co->height < ct->flatList) { - ct->firstItem = ct->currItem = ct->flatList; - } else { - ct->currItem -= co->height; - ct->firstItem -= co->height; - } - - ctDraw(co); - if(co->callback) co->callback(co, co->callbackData); - er.result = ER_SWALLOWED; - return er; - case NEWT_KEY_PGDN: - listEnd = ct->flatList + ct->flatCount - 1; - lastItem = ct->firstItem + co->height - 1; - - if (lastItem + co->height > listEnd) { - ct->firstItem = listEnd - co->height + 1; - ct->currItem = listEnd; - } else { - ct->currItem += co->height; - ct->firstItem += co->height; - } - - ctDraw(co); - if(co->callback) co->callback(co, co->callbackData); - er.result = ER_SWALLOWED; - return er; - } - break; - - case EV_FOCUS: - ctDraw(co); - er.result = ER_SWALLOWED; - break; - - case EV_UNFOCUS: - ctDraw(co); - er.result = ER_SWALLOWED; - break; - default: - break; - } - - return er; -} - -const void * newtCheckboxTreeGetCurrent(newtComponent co) { - struct CheckboxTree * ct = co->data; - - if (!ct->currItem) return NULL; - return (*ct->currItem)->data; -} - -void newtCheckboxTreeSetEntry(newtComponent co, const void * data, const char * text) -{ - struct CheckboxTree * ct; - struct items * item; - int i; - - if (!co) return; - ct = co->data; - item = findItem(ct->itemlist, data); - if (!item) return; - - free(item->text); - item->text = strdup(text); - - i = 4 + (3 * item->depth); - - if ((strlen(text) + i + ct->pad) > co->width) { - co->width = strlen(text) + i + ct->pad; - } - - ctDraw(co); -} - -char newtCheckboxTreeGetEntryValue(newtComponent co, const void * data) -{ - struct CheckboxTree * ct; - struct items * item; - - if (!co) return -1; - ct = co->data; - item = findItem(ct->itemlist, data); - if (!item) return -1; - if (item->branch) - return item->selected ? NEWT_CHECKBOXTREE_EXPANDED : NEWT_CHECKBOXTREE_COLLAPSED; - else - return ct->seq[item->selected]; -} - -void newtCheckboxTreeSetEntryValue(newtComponent co, const void * data, char value) -{ - struct CheckboxTree * ct; - struct items * item; - int i; - - if (!co) return; - ct = co->data; - item = findItem(ct->itemlist, data); - if (!item || item->branch) return; - - for(i = 0; ct->seq[i]; i++) - if (value == ct->seq[i]) - break; - - if (!ct->seq[i]) return; - item->selected = i; - - ctDraw(co); -} - |