summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/newt/entry.c
diff options
context:
space:
mode:
Diffstat (limited to 'mdk-stage1/newt/entry.c')
-rw-r--r--mdk-stage1/newt/entry.c378
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;
-}
generated by cgit v1.2.1 (git 2.21.0) at 2024-05-01 23:53:57 +0000