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author | Mystery Man <unknown@mandriva.org> | 2005-08-30 18:55:27 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2005-08-30 18:55:27 +0000 |
commit | ea3a905b182f34bba2f071111d5263f1868c4a6f (patch) | |
tree | 45713836a82198448c93696b30f3c9ab7ba9aa4a /mdk-stage1/newt/entry.c | |
parent | f5427227e11f6025648f9537ffd3110c003f7e25 (diff) | |
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This commit was manufactured by cvs2svn to create tagV10_3_0_50mdk
'V10_3_0_50mdk'.
Diffstat (limited to 'mdk-stage1/newt/entry.c')
-rw-r--r-- | mdk-stage1/newt/entry.c | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/mdk-stage1/newt/entry.c b/mdk-stage1/newt/entry.c deleted file mode 100644 index 0ee449cf9..000000000 --- a/mdk-stage1/newt/entry.c +++ /dev/null @@ -1,378 +0,0 @@ -#include <ctype.h> -#include <slang.h> -#include <stdlib.h> -#include <string.h> - -#include "newt.h" -#include "newt_pr.h" - -struct entry { - int flags; - char * buf; - char ** resultPtr; - int bufAlloced; - int bufUsed; /* amount of the buffer that's been used */ - int cursorPosition; /* cursor *in the string* on on screen */ - int firstChar; /* first character position being shown */ - newtEntryFilter filter; - void * filterData; -}; - -static void entryDraw(newtComponent co); -static void entryDestroy(newtComponent co); -static struct eventResult entryEvent(newtComponent co, - struct event ev); - -static struct eventResult entryHandleKey(newtComponent co, int key); - -static struct componentOps entryOps = { - entryDraw, - entryEvent, - entryDestroy, - newtDefaultPlaceHandler, - newtDefaultMappedHandler, -} ; - -void newtEntrySet(newtComponent co, const char * value, int cursorAtEnd) { - struct entry * en = co->data; - - if ((strlen(value) + 1) > (unsigned int)en->bufAlloced) { - free(en->buf); - en->bufAlloced = strlen(value) + 1; - en->buf = malloc(en->bufAlloced); - if (en->resultPtr) *en->resultPtr = en->buf; - } - memset(en->buf, 0, en->bufAlloced); /* clear the buffer */ - strcpy(en->buf, value); - en->bufUsed = strlen(value); - en->firstChar = 0; - if (cursorAtEnd) - en->cursorPosition = en->bufUsed; - else - en->cursorPosition = 0; - - entryDraw(co); -} ; - -newtComponent newtEntry(int left, int top, const char * initialValue, int width, - char ** resultPtr, int flags) { - newtComponent co; - struct entry * en; - - co = malloc(sizeof(*co)); - en = malloc(sizeof(struct entry)); - co->data = en; - - co->top = top; - co->left = left; - co->height = 1; - co->width = width; - co->isMapped = 0; - co->callback = NULL; - - co->ops = &entryOps; - - en->flags = flags; - en->cursorPosition = 0; - en->firstChar = 0; - en->bufUsed = 0; - en->bufAlloced = width + 1; - en->filter = NULL; - - if (!(en->flags & NEWT_FLAG_DISABLED)) - co->takesFocus = 1; - else - co->takesFocus = 0; - - if (initialValue && strlen(initialValue) > (unsigned int)width) { - en->bufAlloced = strlen(initialValue) + 1; - } - en->buf = malloc(en->bufAlloced); - en->resultPtr = resultPtr; - if (en->resultPtr) *en->resultPtr = en->buf; - - memset(en->buf, 0, en->bufAlloced); - if (initialValue) { - strcpy(en->buf, initialValue); - en->bufUsed = strlen(initialValue); - en->cursorPosition = en->bufUsed; - } else { - *en->buf = '\0'; - en->bufUsed = 0; - en->cursorPosition = 0; - } - - return co; -} - -static void entryDraw(newtComponent co) { - struct entry * en = co->data; - int i; - char * chptr; - int len; - - if (!co->isMapped) return; - - if (en->flags & NEWT_FLAG_DISABLED) - SLsmg_set_color(NEWT_COLORSET_DISENTRY); - else - SLsmg_set_color(NEWT_COLORSET_ENTRY); - - if (en->flags & NEWT_FLAG_HIDDEN) { - newtGotorc(co->top, co->left); - for (i = 0; i < co->width; i++) - SLsmg_write_char('_'); - newtGotorc(co->top, co->left); - - return; - } - - newtGotorc(co->top, co->left); - - if (en->cursorPosition < en->firstChar) { - /* scroll to the left */ - en->firstChar = en->cursorPosition; - } else if ((en->firstChar + co->width) <= en->cursorPosition) { - /* scroll to the right */ - en->firstChar = en->cursorPosition - co->width + 1; - } - - chptr = en->buf + en->firstChar; - - if (en->flags & NEWT_FLAG_PASSWORD) { - char *tmpptr, *p; - - tmpptr = alloca(strlen(chptr+2)); - strcpy(tmpptr, chptr); - for (p = tmpptr; *p; p++) - *p = '*'; - chptr = tmpptr; - } - - len = strlen(chptr); - - if (len <= co->width) { - i = len; - SLsmg_write_string(chptr); - while (i < co->width) { - SLsmg_write_char('_'); - i++; - } - } else { - SLsmg_write_nstring(chptr, co->width); - } - - if (en->flags & NEWT_FLAG_HIDDEN) - newtGotorc(co->top, co->left); - else - newtGotorc(co->top, co->left + (en->cursorPosition - en->firstChar)); -} - -void newtEntrySetFlags(newtComponent co, int flags, enum newtFlagsSense sense) { - struct entry * en = co->data; - int row, col; - - en->flags = newtSetFlags(en->flags, flags, sense); - - if (!(en->flags & NEWT_FLAG_DISABLED)) - co->takesFocus = 1; - else - co->takesFocus = 0; - - newtGetrc(&row, &col); - entryDraw(co); - newtGotorc(row, col); -} - -static void entryDestroy(newtComponent co) { - struct entry * en = co->data; - - free(en->buf); - free(en); - free(co); -} - -static struct eventResult entryEvent(newtComponent co, - struct event ev) { - struct entry * en = co->data; - struct eventResult er; - int ch; - er.result = ER_IGNORED; - er.u.focus = NULL; - - if (ev.when == EV_NORMAL) { - switch (ev.event) { - case EV_FOCUS: - newtCursorOn(); - if (en->flags & NEWT_FLAG_HIDDEN) - newtGotorc(co->top, co->left); - else - newtGotorc(co->top, co->left + - (en->cursorPosition - en->firstChar)); - er.result = ER_SWALLOWED; - break; - - case EV_UNFOCUS: - newtCursorOff(); - newtGotorc(0, 0); - er.result = ER_SWALLOWED; - if (co->callback) - co->callback(co, co->callbackData); - break; - - case EV_KEYPRESS: - ch = ev.u.key; - if (en->filter) - ch = en->filter(co, en->filterData, ch, en->cursorPosition); - if (ch) er = entryHandleKey(co, ch); - break; - - case EV_MOUSE: - if ((ev.u.mouse.type == MOUSE_BUTTON_DOWN) && - (en->flags ^ NEWT_FLAG_HIDDEN)) { - if (strlen(en->buf) >= (size_t) (ev.u.mouse.x - co->left)) { - en->cursorPosition = ev.u.mouse.x - co->left; - newtGotorc(co->top, - co->left +(en->cursorPosition - en->firstChar)); - } else { - en->cursorPosition = strlen(en->buf); - newtGotorc(co->top, - co->left +(en->cursorPosition - en->firstChar)); - } - } - break; - } - } else - er.result = ER_IGNORED; - - return er; -} - -static struct eventResult entryHandleKey(newtComponent co, int key) { - struct entry * en = co->data; - struct eventResult er; - char * chptr, * insPoint; - - er.result = ER_SWALLOWED; - switch (key) { - case '\r': /* Return */ - if (en->flags & NEWT_FLAG_RETURNEXIT) { - er.result = ER_EXITFORM; - } else { - er.result = ER_NEXTCOMP; - } - break; - - case '\001': /* ^A */ - case NEWT_KEY_HOME: - en->cursorPosition = 0; - break; - - case '\005': /* ^E */ - case NEWT_KEY_END: - en->cursorPosition = en->bufUsed; - break; - - case '\013': /* ^K */ - en->bufUsed = en->cursorPosition; - memset(en->buf + en->bufUsed, 0, en->bufAlloced - en->bufUsed); - break; - - case '\002': /* ^B */ - case NEWT_KEY_LEFT: - if (en->cursorPosition) - en->cursorPosition--; - break; - - case '\004': - case NEWT_KEY_DELETE: - chptr = en->buf + en->cursorPosition; - if (*chptr) { - chptr++; - while (*chptr) { - *(chptr - 1) = *chptr; - chptr++; - } - *(chptr - 1) = '\0'; - en->bufUsed--; - } - break; - - case NEWT_KEY_BKSPC: - if (en->cursorPosition) { - /* if this isn't true, there's nothing to erase */ - chptr = en->buf + en->cursorPosition; - en->bufUsed--; - en->cursorPosition--; - while (*chptr) { - *(chptr - 1) = *chptr; - chptr++; - } - *(chptr - 1) = '\0'; - } - break; - - case '\006': /* ^B */ - case NEWT_KEY_RIGHT: - if (en->cursorPosition < en->bufUsed) - en->cursorPosition++; - break; - - default: - if ((key >= 0x20 && key <= 0x7e) || (key >= 0xa0 && key <= 0xff)) { - if (!(en->flags & NEWT_FLAG_SCROLL) && en->bufUsed >= co->width) { - SLtt_beep(); - break; - } - - if ((en->bufUsed + 1) == en->bufAlloced) { - en->bufAlloced += 20; - en->buf = realloc(en->buf, en->bufAlloced); - if (en->resultPtr) *en->resultPtr = en->buf; - memset(en->buf + en->bufUsed + 1, 0, 20); - } - - if (en->cursorPosition == en->bufUsed) { - en->bufUsed++; - } else { - /* insert the new character */ - - /* chptr is the last character in the string */ - chptr = (en->buf + en->bufUsed) - 1; - if ((en->bufUsed + 1) == en->bufAlloced) { - /* this string fills the buffer, so clip it */ - chptr--; - } else - en->bufUsed++; - - insPoint = en->buf + en->cursorPosition; - - while (chptr >= insPoint) { - *(chptr + 1) = *chptr; - chptr--; - } - - } - - en->buf[en->cursorPosition++] = key; - } else { - er.result = ER_IGNORED; - } - } - - entryDraw(co); - - return er; -} - -char * newtEntryGetValue(newtComponent co) { - struct entry * en = co->data; - - return en->buf; -} - -void newtEntrySetFilter(newtComponent co, newtEntryFilter filter, void * data) { - struct entry * en = co->data; - en->filter = filter; - en->filterData = data; -} |