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/*
* dialog.c - a reasonably platform-independent mechanism for
* describing dialog boxes.
*/
#include <assert.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#define DEFINE_INTORPTR_FNS
#include "putty.h"
#include "dialog.h"
int ctrl_path_elements(char *path)
{
int i = 1;
while (*path) {
if (*path == '/') i++;
path++;
}
return i;
}
/* Return the number of matching path elements at the starts of p1 and p2,
* or INT_MAX if the paths are identical. */
int ctrl_path_compare(char *p1, char *p2)
{
int i = 0;
while (*p1 || *p2) {
if ((*p1 == '/' || *p1 == '\0') &&
(*p2 == '/' || *p2 == '\0'))
i++; /* a whole element matches, ooh */
if (*p1 != *p2)
return i; /* mismatch */
p1++, p2++;
}
return INT_MAX; /* exact match */
}
struct controlbox *ctrl_new_box(void)
{
struct controlbox *ret = snew(struct controlbox);
ret->nctrlsets = ret->ctrlsetsize = 0;
ret->ctrlsets = NULL;
ret->nfrees = ret->freesize = 0;
ret->frees = NULL;
ret->freefuncs = NULL;
return ret;
}
void ctrl_free_box(struct controlbox *b)
{
int i;
for (i = 0; i < b->nctrlsets; i++) {
ctrl_free_set(b->ctrlsets[i]);
}
for (i = 0; i < b->nfrees; i++)
b->freefuncs[i](b->frees[i]);
sfree(b->ctrlsets);
sfree(b->frees);
sfree(b->freefuncs);
sfree(b);
}
void ctrl_free_set(struct controlset *s)
{
int i;
sfree(s->pathname);
sfree(s->boxname);
sfree(s->boxtitle);
for (i = 0; i < s->ncontrols; i++) {
ctrl_free(s->ctrls[i]);
}
sfree(s->ctrls);
sfree(s);
}
/*
* Find the index of first controlset in a controlbox for a given
* path. If that path doesn't exist, return the index where it
* should be inserted.
*/
static int ctrl_find_set(struct controlbox *b, char *path, int start)
{
int i, last, thisone;
last = 0;
for (i = 0; i < b->nctrlsets; i++) {
thisone = ctrl_path_compare(path, b->ctrlsets[i]->pathname);
/*
* If `start' is true and there exists a controlset with
* exactly the path we've been given, we should return the
* index of the first such controlset we find. Otherwise,
* we should return the index of the first entry in which
* _fewer_ path elements match than they did last time.
*/
if ((start && thisone == INT_MAX) || thisone < last)
return i;
last = thisone;
}
return b->nctrlsets; /* insert at end */
}
/*
* Find the index of next controlset in a controlbox for a given
* path, or -1 if no such controlset exists. If -1 is passed as
* input, finds the first.
*/
int ctrl_find_path(struct controlbox *b, char *path, int index)
{
if (index < 0)
index = ctrl_find_set(b, path, 1);
else
index++;
if (index < b->nctrlsets && !strcmp(path, b->ctrlsets[index]->pathname))
return index;
else
return -1;
}
/* Set up a panel title. */
struct controlset *ctrl_settitle(struct controlbox *b,
char *path, char *title)
{
struct controlset *s = snew(struct controlset);
int index = ctrl_find_set(b, path, 1);
s->pathname = dupstr(path);
s->boxname = NULL;
s->boxtitle = dupstr(title);
s->ncontrols = s->ctrlsize = 0;
s->ncolumns = 0; /* this is a title! */
s->ctrls = NULL;
if (b->nctrlsets >= b->ctrlsetsize) {
b->ctrlsetsize = b->nctrlsets + 32;
b->ctrlsets = sresize(b->ctrlsets, b->ctrlsetsize,struct controlset *);
}
if (index < b->nctrlsets)
memmove(&b->ctrlsets[index+1], &b->ctrlsets[index],
(b->nctrlsets-index) * sizeof(*b->ctrlsets));
b->ctrlsets[index] = s;
b->nctrlsets++;
return s;
}
/* Retrieve a pointer to a controlset, creating it if absent. */
struct controlset *ctrl_getset(struct controlbox *b,
char *path, char *name, char *boxtitle)
{
struct controlset *s;
int index = ctrl_find_set(b, path, 1);
while (index < b->nctrlsets &&
!strcmp(b->ctrlsets[index]->pathname, path)) {
if (b->ctrlsets[index]->boxname &&
!strcmp(b->ctrlsets[index]->boxname, name))
return b->ctrlsets[index];
index++;
}
s = snew(struct controlset);
s->pathname = dupstr(path);
s->boxname = dupstr(name);
s->boxtitle = boxtitle ? dupstr(boxtitle) : NULL;
s->ncolumns = 1;
s->ncontrols = s->ctrlsize = 0;
s->ctrls = NULL;
if (b->nctrlsets >= b->ctrlsetsize) {
b->ctrlsetsize = b->nctrlsets + 32;
b->ctrlsets = sresize(b->ctrlsets, b->ctrlsetsize,struct controlset *);
}
if (index < b->nctrlsets)
memmove(&b->ctrlsets[index+1], &b->ctrlsets[index],
(b->nctrlsets-index) * sizeof(*b->ctrlsets));
b->ctrlsets[index] = s;
b->nctrlsets++;
return s;
}
/* Allocate some private data in a controlbox. */
void *ctrl_alloc_with_free(struct controlbox *b, size_t size,
ctrl_freefn_t freefunc)
{
void *p;
/*
* This is an internal allocation routine, so it's allowed to
* use smalloc directly.
*/
p = smalloc(size);
if (b->nfrees >= b->freesize) {
b->freesize = b->nfrees + 32;
b->frees = sresize(b->frees, b->freesize, void *);
b->freefuncs = sresize(b->freefuncs, b->freesize, ctrl_freefn_t);
}
b->frees[b->nfrees] = p;
b->freefuncs[b->nfrees] = freefunc;
b->nfrees++;
return p;
}
static void ctrl_default_free(void *p)
{
sfree(p);
}
void *ctrl_alloc(struct controlbox *b, size_t size)
{
return ctrl_alloc_with_free(b, size, ctrl_default_free);
}
static union control *ctrl_new(struct controlset *s, int type,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = snew(union control);
if (s->ncontrols >= s->ctrlsize) {
s->ctrlsize = s->ncontrols + 32;
s->ctrls = sresize(s->ctrls, s->ctrlsize, union control *);
}
s->ctrls[s->ncontrols++] = c;
/*
* Fill in the standard fields.
*/
c->generic.type = type;
c->generic.tabdelay = 0;
c->generic.column = COLUMN_FIELD(0, s->ncolumns);
c->generic.helpctx = helpctx;
c->generic.handler = handler;
c->generic.context = context;
c->generic.label = NULL;
return c;
}
/* `ncolumns' is followed by that many percentages, as integers. */
union control *ctrl_columns(struct controlset *s, int ncolumns, ...)
{
union control *c = ctrl_new(s, CTRL_COLUMNS, P(NULL), NULL, P(NULL));
assert(s->ncolumns == 1 || ncolumns == 1);
c->columns.ncols = ncolumns;
s->ncolumns = ncolumns;
if (ncolumns == 1) {
c->columns.percentages = NULL;
} else {
va_list ap;
int i;
c->columns.percentages = snewn(ncolumns, int);
va_start(ap, ncolumns);
for (i = 0; i < ncolumns; i++)
c->columns.percentages[i] = va_arg(ap, int);
va_end(ap);
}
return c;
}
union control *ctrl_editbox(struct controlset *s, char *label, char shortcut,
int percentage,
intorptr helpctx, handler_fn handler,
intorptr context, intorptr context2)
{
union control *c = ctrl_new(s, CTRL_EDITBOX, helpctx, handler, context);
c->editbox.label = label ? dupstr(label) : NULL;
c->editbox.shortcut = shortcut;
c->editbox.percentwidth = percentage;
c->editbox.password = 0;
c->editbox.has_list = 0;
c->editbox.context2 = context2;
return c;
}
union control *ctrl_combobox(struct controlset *s, char *label, char shortcut,
int percentage,
intorptr helpctx, handler_fn handler,
intorptr context, intorptr context2)
{
union control *c = ctrl_new(s, CTRL_EDITBOX, helpctx, handler, context);
c->editbox.label = label ? dupstr(label) : NULL;
c->editbox.shortcut = shortcut;
c->editbox.percentwidth = percentage;
c->editbox.password = 0;
c->editbox.has_list = 1;
c->editbox.context2 = context2;
return c;
}
/*
* HACK: PuttyTray / Session Icon
*/
union control *ctrl_icon(struct controlset *s, intorptr helpctx, intorptr context)
{
union control *c = ctrl_new(s, CTRL_ICON, helpctx, NULL, context);
return c;
}
/*
* `ncolumns' is followed by (alternately) radio button titles and
* intorptrs, until a NULL in place of a title string is seen. Each
* title is expected to be followed by a shortcut _iff_ `shortcut'
* is NO_SHORTCUT.
*/
union control *ctrl_radiobuttons(struct controlset *s, char *label,
char shortcut, int ncolumns, intorptr helpctx,
handler_fn handler, intorptr context, ...)
{
va_list ap;
int i;
union control *c = ctrl_new(s, CTRL_RADIO, helpctx, handler, context);
c->radio.label = label ? dupstr(label) : NULL;
c->radio.shortcut = shortcut;
c->radio.ncolumns = ncolumns;
/*
* Initial pass along variable argument list to count the
* buttons.
*/
va_start(ap, context);
i = 0;
while (va_arg(ap, char *) != NULL) {
i++;
if (c->radio.shortcut == NO_SHORTCUT)
(void)va_arg(ap, int); /* char promotes to int in arg lists */
(void)va_arg(ap, intorptr);
}
va_end(ap);
c->radio.nbuttons = i;
if (c->radio.shortcut == NO_SHORTCUT)
c->radio.shortcuts = snewn(c->radio.nbuttons, char);
else
c->radio.shortcuts = NULL;
c->radio.buttons = snewn(c->radio.nbuttons, char *);
c->radio.buttondata = snewn(c->radio.nbuttons, intorptr);
/*
* Second pass along variable argument list to actually fill in
* the structure.
*/
va_start(ap, context);
for (i = 0; i < c->radio.nbuttons; i++) {
c->radio.buttons[i] = dupstr(va_arg(ap, char *));
if (c->radio.shortcut == NO_SHORTCUT)
c->radio.shortcuts[i] = va_arg(ap, int);
/* char promotes to int in arg lists */
c->radio.buttondata[i] = va_arg(ap, intorptr);
}
va_end(ap);
return c;
}
union control *ctrl_pushbutton(struct controlset *s,char *label,char shortcut,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = ctrl_new(s, CTRL_BUTTON, helpctx, handler, context);
c->button.label = label ? dupstr(label) : NULL;
c->button.shortcut = shortcut;
c->button.isdefault = 0;
c->button.iscancel = 0;
return c;
}
union control *ctrl_listbox(struct controlset *s,char *label,char shortcut,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = ctrl_new(s, CTRL_LISTBOX, helpctx, handler, context);
c->listbox.label = label ? dupstr(label) : NULL;
c->listbox.shortcut = shortcut;
c->listbox.height = 5; /* *shrug* a plausible default */
c->listbox.draglist = 0;
c->listbox.multisel = 0;
c->listbox.percentwidth = 100;
c->listbox.ncols = 0;
c->listbox.percentages = NULL;
c->listbox.hscroll = TRUE;
return c;
}
union control *ctrl_droplist(struct controlset *s, char *label, char shortcut,
int percentage, intorptr helpctx,
handler_fn handler, intorptr context)
{
union control *c = ctrl_new(s, CTRL_LISTBOX, helpctx, handler, context);
c->listbox.label = label ? dupstr(label) : NULL;
c->listbox.shortcut = shortcut;
c->listbox.height = 0; /* means it's a drop-down list */
c->listbox.draglist = 0;
c->listbox.multisel = 0;
c->listbox.percentwidth = percentage;
c->listbox.ncols = 0;
c->listbox.percentages = NULL;
c->listbox.hscroll = FALSE;
return c;
}
union control *ctrl_draglist(struct controlset *s,char *label,char shortcut,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = ctrl_new(s, CTRL_LISTBOX, helpctx, handler, context);
c->listbox.label = label ? dupstr(label) : NULL;
c->listbox.shortcut = shortcut;
c->listbox.height = 5; /* *shrug* a plausible default */
c->listbox.draglist = 1;
c->listbox.multisel = 0;
c->listbox.percentwidth = 100;
c->listbox.ncols = 0;
c->listbox.percentages = NULL;
c->listbox.hscroll = FALSE;
return c;
}
union control *ctrl_filesel(struct controlset *s,char *label,char shortcut,
char const *filter, int write, char *title,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = ctrl_new(s, CTRL_FILESELECT, helpctx, handler, context);
c->fileselect.label = label ? dupstr(label) : NULL;
c->fileselect.shortcut = shortcut;
c->fileselect.filter = filter;
c->fileselect.for_writing = write;
c->fileselect.title = dupstr(title);
return c;
}
union control *ctrl_fontsel(struct controlset *s,char *label,char shortcut,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = ctrl_new(s, CTRL_FONTSELECT, helpctx, handler, context);
c->fontselect.label = label ? dupstr(label) : NULL;
c->fontselect.shortcut = shortcut;
return c;
}
union control *ctrl_tabdelay(struct controlset *s, union control *ctrl)
{
union control *c = ctrl_new(s, CTRL_TABDELAY, P(NULL), NULL, P(NULL));
c->tabdelay.ctrl = ctrl;
return c;
}
union control *ctrl_text(struct controlset *s, char *text, intorptr helpctx)
{
union control *c = ctrl_new(s, CTRL_TEXT, helpctx, NULL, P(NULL));
c->text.label = dupstr(text);
return c;
}
union control *ctrl_checkbox(struct controlset *s, char *label, char shortcut,
intorptr helpctx, handler_fn handler,
intorptr context)
{
union control *c = ctrl_new(s, CTRL_CHECKBOX, helpctx, handler, context);
c->checkbox.label = label ? dupstr(label) : NULL;
c->checkbox.shortcut = shortcut;
return c;
}
void ctrl_free(union control *ctrl)
{
int i;
sfree(ctrl->generic.label);
switch (ctrl->generic.type) {
case CTRL_RADIO:
for (i = 0; i < ctrl->radio.nbuttons; i++)
sfree(ctrl->radio.buttons[i]);
sfree(ctrl->radio.buttons);
sfree(ctrl->radio.shortcuts);
sfree(ctrl->radio.buttondata);
break;
case CTRL_COLUMNS:
sfree(ctrl->columns.percentages);
break;
case CTRL_LISTBOX:
sfree(ctrl->listbox.percentages);
break;
case CTRL_FILESELECT:
sfree(ctrl->fileselect.title);
break;
}
sfree(ctrl);
}
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