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putty/windows/winctrls.c

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73 KiB
C
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/*
* winctrls.c: routines to self-manage the controls in a dialog
* box.
*/
/*
* Possible TODO in new cross-platform config box stuff:
*
* - When lining up two controls alongside each other, I wonder if
* we could conveniently arrange to centre them vertically?
* Particularly ugly in the current setup is the `Add new
* forwarded port:' static next to the rather taller `Remove'
* button.
*/
#include <assert.h>
#include <ctype.h>
#include "putty.h"
#include "misc.h"
#include "dialog.h"
#include <commctrl.h>
#define GAPBETWEEN 3
#define GAPWITHIN 1
#define GAPXBOX 7
#define GAPYBOX 4
#define DLGWIDTH 168
#define STATICHEIGHT 8
#define TITLEHEIGHT 12
#define CHECKBOXHEIGHT 8
#define RADIOHEIGHT 8
#define EDITHEIGHT 12
#define LISTHEIGHT 11
#define LISTINCREMENT 8
#define COMBOHEIGHT 12
#define PUSHBTNHEIGHT 14
#define PROGBARHEIGHT 14
void ctlposinit(struct ctlpos *cp, HWND hwnd,
int leftborder, int rightborder, int topborder)
{
RECT r, r2;
cp->hwnd = hwnd;
cp->font = SendMessage(hwnd, WM_GETFONT, 0, 0);
cp->ypos = topborder;
GetClientRect(hwnd, &r);
r2.left = r2.top = 0;
r2.right = 4;
r2.bottom = 8;
MapDialogRect(hwnd, &r2);
cp->dlu4inpix = r2.right;
cp->width = (r.right * 4) / (r2.right) - 2 * GAPBETWEEN;
cp->xoff = leftborder;
cp->width -= leftborder + rightborder;
}
HWND doctl(struct ctlpos *cp, RECT r,
char *wclass, int wstyle, int exstyle, char *wtext, int wid)
{
HWND ctl;
/*
* Note nonstandard use of RECT. This is deliberate: by
* transforming the width and height directly we arrange to
* have all supposedly same-sized controls really same-sized.
*/
r.left += cp->xoff;
MapDialogRect(cp->hwnd, &r);
/*
* We can pass in cp->hwnd == NULL, to indicate a dry run
* without creating any actual controls.
*/
if (cp->hwnd) {
ctl = CreateWindowEx(exstyle, wclass, wtext, wstyle,
r.left, r.top, r.right, r.bottom,
cp->hwnd, (HMENU) wid, hinst, NULL);
SendMessage(ctl, WM_SETFONT, cp->font, MAKELPARAM(TRUE, 0));
if (!strcmp(wclass, "LISTBOX")) {
/*
* Bizarre Windows bug: the list box calculates its
* number of lines based on the font it has at creation
* time, but sending it WM_SETFONT doesn't cause it to
* recalculate. So now, _after_ we've sent it
* WM_SETFONT, we explicitly resize it (to the same
* size it was already!) to force it to reconsider.
*/
SetWindowPos(ctl, NULL, 0, 0, r.right, r.bottom,
SWP_NOACTIVATE | SWP_NOCOPYBITS |
SWP_NOMOVE | SWP_NOZORDER);
}
} else
ctl = NULL;
return ctl;
}
/*
* A title bar across the top of a sub-dialog.
*/
void bartitle(struct ctlpos *cp, char *name, int id)
{
RECT r;
r.left = GAPBETWEEN;
r.right = cp->width;
r.top = cp->ypos;
r.bottom = STATICHEIGHT;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, name, id);
}
/*
* Begin a grouping box, with or without a group title.
*/
void beginbox(struct ctlpos *cp, char *name, int idbox)
{
cp->boxystart = cp->ypos;
if (!name)
cp->boxystart -= STATICHEIGHT / 2;
if (name)
cp->ypos += STATICHEIGHT;
cp->ypos += GAPYBOX;
cp->width -= 2 * GAPXBOX;
cp->xoff += GAPXBOX;
cp->boxid = idbox;
cp->boxtext = name;
}
/*
* End a grouping box.
*/
void endbox(struct ctlpos *cp)
{
RECT r;
cp->xoff -= GAPXBOX;
cp->width += 2 * GAPXBOX;
cp->ypos += GAPYBOX - GAPBETWEEN;
r.left = GAPBETWEEN;
r.right = cp->width;
r.top = cp->boxystart;
r.bottom = cp->ypos - cp->boxystart;
doctl(cp, r, "BUTTON", BS_GROUPBOX | WS_CHILD | WS_VISIBLE, 0,
cp->boxtext ? cp->boxtext : "", cp->boxid);
cp->ypos += GAPYBOX;
}
/*
* A static line, followed by a full-width edit box.
*/
void editboxfw(struct ctlpos *cp, int password, char *text,
int staticid, int editid)
{
RECT r;
r.left = GAPBETWEEN;
r.right = cp->width;
if (text) {
r.top = cp->ypos;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
cp->ypos += STATICHEIGHT + GAPWITHIN;
}
r.top = cp->ypos;
r.bottom = EDITHEIGHT;
doctl(cp, r, "EDIT",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL |
(password ? ES_PASSWORD : 0),
WS_EX_CLIENTEDGE, "", editid);
cp->ypos += EDITHEIGHT + GAPBETWEEN;
}
/*
* A static line, followed by a full-width combo box.
*/
void combobox(struct ctlpos *cp, char *text, int staticid, int listid)
{
RECT r;
r.left = GAPBETWEEN;
r.right = cp->width;
if (text) {
r.top = cp->ypos;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, staticid);
cp->ypos += STATICHEIGHT + GAPWITHIN;
}
r.top = cp->ypos;
r.bottom = COMBOHEIGHT * 10;
doctl(cp, r, "COMBOBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", listid);
cp->ypos += COMBOHEIGHT + GAPBETWEEN;
}
struct radio { char *text; int id; };
static void radioline_common(struct ctlpos *cp, char *text, int id,
int nacross, struct radio *buttons, int nbuttons)
{
RECT r;
int group;
int i;
int j;
if (text) {
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT;
cp->ypos += r.bottom + GAPWITHIN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, text, id);
}
group = WS_GROUP;
i = 0;
for (j = 0; j < nbuttons; j++) {
char *btext = buttons[j].text;
int bid = buttons[j].id;
if (i == nacross) {
cp->ypos += r.bottom + (nacross > 1 ? GAPBETWEEN : GAPWITHIN);
i = 0;
}
r.left = GAPBETWEEN + i * (cp->width + GAPBETWEEN) / nacross;
if (j < nbuttons-1)
r.right =
(i + 1) * (cp->width + GAPBETWEEN) / nacross - r.left;
else
r.right = cp->width - r.left;
r.top = cp->ypos;
r.bottom = RADIOHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | BS_AUTORADIOBUTTON | WS_CHILD |
WS_VISIBLE | WS_TABSTOP | group, 0, btext, bid);
group = 0;
i++;
}
cp->ypos += r.bottom + GAPBETWEEN;
}
/*
* A set of radio buttons on the same line, with a static above
* them. `nacross' dictates how many parts the line is divided into
* (you might want this not to equal the number of buttons if you
* needed to line up some 2s and some 3s to look good in the same
* panel).
*
* There's a bit of a hack in here to ensure that if nacross
* exceeds the actual number of buttons, the rightmost button
* really does get all the space right to the edge of the line, so
* you can do things like
*
* (*) Button1 (*) Button2 (*) ButtonWithReallyLongTitle
*/
void radioline(struct ctlpos *cp, char *text, int id, int nacross, ...)
{
va_list ap;
struct radio *buttons;
int i, nbuttons;
va_start(ap, nacross);
nbuttons = 0;
while (1) {
char *btext = va_arg(ap, char *);
int bid;
if (!btext)
break;
bid = va_arg(ap, int);
nbuttons++;
}
va_end(ap);
buttons = snewn(nbuttons, struct radio);
va_start(ap, nacross);
for (i = 0; i < nbuttons; i++) {
buttons[i].text = va_arg(ap, char *);
buttons[i].id = va_arg(ap, int);
}
va_end(ap);
radioline_common(cp, text, id, nacross, buttons, nbuttons);
sfree(buttons);
}
/*
* A set of radio buttons on the same line, without a static above
* them. Otherwise just like radioline.
*/
void bareradioline(struct ctlpos *cp, int nacross, ...)
{
va_list ap;
struct radio *buttons;
int i, nbuttons;
va_start(ap, nacross);
nbuttons = 0;
while (1) {
char *btext = va_arg(ap, char *);
int bid;
if (!btext)
break;
bid = va_arg(ap, int);
}
va_end(ap);
buttons = snewn(nbuttons, struct radio);
va_start(ap, nacross);
for (i = 0; i < nbuttons; i++) {
buttons[i].text = va_arg(ap, char *);
buttons[i].id = va_arg(ap, int);
}
va_end(ap);
radioline_common(cp, NULL, 0, nacross, buttons, nbuttons);
sfree(buttons);
}
/*
* A set of radio buttons on multiple lines, with a static above
* them.
*/
void radiobig(struct ctlpos *cp, char *text, int id, ...)
{
va_list ap;
struct radio *buttons;
int i, nbuttons;
va_start(ap, id);
nbuttons = 0;
while (1) {
char *btext = va_arg(ap, char *);
int bid;
if (!btext)
break;
bid = va_arg(ap, int);
}
va_end(ap);
buttons = snewn(nbuttons, struct radio);
va_start(ap, id);
for (i = 0; i < nbuttons; i++) {
buttons[i].text = va_arg(ap, char *);
buttons[i].id = va_arg(ap, int);
}
va_end(ap);
radioline_common(cp, text, id, 1, buttons, nbuttons);
sfree(buttons);
}
/*
* A single standalone checkbox.
*/
void checkbox(struct ctlpos *cp, char *text, int id)
{
RECT r;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = CHECKBOXHEIGHT;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, "BUTTON",
BS_NOTIFY | BS_AUTOCHECKBOX | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0,
text, id);
}
/*
* Wrap a piece of text for a static text control. Returns the
* wrapped text (a malloc'ed string containing \ns), and also
* returns the number of lines required.
*/
char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
{
HDC hdc = GetDC(hwnd);
int lpx = GetDeviceCaps(hdc, LOGPIXELSX);
int width, nlines, j;
INT *pwidths, nfit;
SIZE size;
char *ret, *p, *q;
RECT r;
HFONT oldfont, newfont;
ret = snewn(1+strlen(text), char);
p = text;
q = ret;
pwidths = snewn(1+strlen(text), INT);
/*
* Work out the width the text will need to fit in, by doing
* the same adjustment that the `statictext' function itself
* will perform.
*/
SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
r.left = r.top = r.bottom = 0;
r.right = cp->width;
MapDialogRect(hwnd, &r);
width = r.right;
nlines = 1;
/*
* We must select the correct font into the HDC before calling
* GetTextExtent*, or silly things will happen.
*/
newfont = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0);
oldfont = SelectObject(hdc, newfont);
while (*p) {
if (!GetTextExtentExPoint(hdc, p, strlen(p), width,
&nfit, pwidths, &size) ||
(size_t)nfit >= strlen(p)) {
/*
* Either GetTextExtentExPoint returned failure, or the
* whole of the rest of the text fits on this line.
* Either way, we stop wrapping, copy the remainder of
* the input string unchanged to the output, and leave.
*/
strcpy(q, p);
break;
}
/*
* Now we search backwards along the string from `nfit',
* looking for a space at which to break the line. If we
* don't find one at all, that's fine - we'll just break
* the line at `nfit'.
*/
for (j = nfit; j > 0; j--) {
if (isspace((unsigned char)p[j])) {
nfit = j;
break;
}
}
strncpy(q, p, nfit);
q[nfit] = '\n';
q += nfit+1;
p += nfit;
while (*p && isspace((unsigned char)*p))
p++;
nlines++;
}
SelectObject(hdc, oldfont);
ReleaseDC(cp->hwnd, hdc);
if (lines) *lines = nlines;
sfree(pwidths);
return ret;
}
/*
* A single standalone static text control.
*/
void statictext(struct ctlpos *cp, char *text, int lines, int id)
{
RECT r;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT * lines;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, "STATIC",
WS_CHILD | WS_VISIBLE | SS_LEFTNOWORDWRAP,
0, text, id);
}
/*
* An owner-drawn static text control for a panel title.
*/
void paneltitle(struct ctlpos *cp, int id)
{
RECT r;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = TITLEHEIGHT;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_OWNERDRAW,
0, NULL, id);
}
/*
* A button on the right hand side, with a static to its left.
*/
void staticbtn(struct ctlpos *cp, char *stext, int sid,
char *btext, int bid)
{
const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
PUSHBTNHEIGHT : STATICHEIGHT);
RECT r;
int lwid, rwid, rpos;
rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
lwid = rpos - 2 * GAPBETWEEN;
rwid = cp->width + GAPBETWEEN - rpos;
r.left = GAPBETWEEN;
r.top = cp->ypos + (height - STATICHEIGHT) / 2;
r.right = lwid;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
r.left = rpos;
r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
r.right = rwid;
r.bottom = PUSHBTNHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
0, btext, bid);
cp->ypos += height + GAPBETWEEN;
}
/*
* A simple push button.
*/
void button(struct ctlpos *cp, char *btext, int bid, int defbtn)
{
RECT r;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = PUSHBTNHEIGHT;
/* Q67655: the _dialog box_ must know which button is default
* as well as the button itself knowing */
if (defbtn && cp->hwnd)
SendMessage(cp->hwnd, DM_SETDEFID, bid, 0);
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP |
(defbtn ? BS_DEFPUSHBUTTON : 0) | BS_PUSHBUTTON,
0, btext, bid);
cp->ypos += PUSHBTNHEIGHT + GAPBETWEEN;
}
/*
* Like staticbtn, but two buttons.
*/
void static2btn(struct ctlpos *cp, char *stext, int sid,
char *btext1, int bid1, char *btext2, int bid2)
{
const int height = (PUSHBTNHEIGHT > STATICHEIGHT ?
PUSHBTNHEIGHT : STATICHEIGHT);
RECT r;
int lwid, rwid1, rwid2, rpos1, rpos2;
rpos1 = GAPBETWEEN + (cp->width + GAPBETWEEN) / 2;
rpos2 = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
lwid = rpos1 - 2 * GAPBETWEEN;
rwid1 = rpos2 - rpos1 - GAPBETWEEN;
rwid2 = cp->width + GAPBETWEEN - rpos2;
r.left = GAPBETWEEN;
r.top = cp->ypos + (height - STATICHEIGHT) / 2;
r.right = lwid;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
r.left = rpos1;
r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
r.right = rwid1;
r.bottom = PUSHBTNHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
0, btext1, bid1);
r.left = rpos2;
r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
r.right = rwid2;
r.bottom = PUSHBTNHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
0, btext2, bid2);
cp->ypos += height + GAPBETWEEN;
}
/*
* An edit control on the right hand side, with a static to its left.
*/
static void staticedit_internal(struct ctlpos *cp, char *stext,
int sid, int eid, int percentedit,
int style)
{
const int height = (EDITHEIGHT > STATICHEIGHT ?
EDITHEIGHT : STATICHEIGHT);
RECT r;
int lwid, rwid, rpos;
rpos =
GAPBETWEEN + (100 - percentedit) * (cp->width + GAPBETWEEN) / 100;
lwid = rpos - 2 * GAPBETWEEN;
rwid = cp->width + GAPBETWEEN - rpos;
r.left = GAPBETWEEN;
r.top = cp->ypos + (height - STATICHEIGHT) / 2;
r.right = lwid;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
r.left = rpos;
r.top = cp->ypos + (height - EDITHEIGHT) / 2;
r.right = rwid;
r.bottom = EDITHEIGHT;
doctl(cp, r, "EDIT",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | style,
WS_EX_CLIENTEDGE, "", eid);
cp->ypos += height + GAPBETWEEN;
}
void staticedit(struct ctlpos *cp, char *stext,
int sid, int eid, int percentedit)
{
staticedit_internal(cp, stext, sid, eid, percentedit, 0);
}
void staticpassedit(struct ctlpos *cp, char *stext,
int sid, int eid, int percentedit)
{
staticedit_internal(cp, stext, sid, eid, percentedit, ES_PASSWORD);
}
/*
* A drop-down list box on the right hand side, with a static to
* its left.
*/
void staticddl(struct ctlpos *cp, char *stext,
int sid, int lid, int percentlist)
{
const int height = (COMBOHEIGHT > STATICHEIGHT ?
COMBOHEIGHT : STATICHEIGHT);
RECT r;
int lwid, rwid, rpos;
rpos =
GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
lwid = rpos - 2 * GAPBETWEEN;
rwid = cp->width + GAPBETWEEN - rpos;
r.left = GAPBETWEEN;
r.top = cp->ypos + (height - STATICHEIGHT) / 2;
r.right = lwid;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
r.left = rpos;
r.top = cp->ypos + (height - EDITHEIGHT) / 2;
r.right = rwid;
r.bottom = COMBOHEIGHT*4;
doctl(cp, r, "COMBOBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
cp->ypos += height + GAPBETWEEN;
}
/*
* A combo box on the right hand side, with a static to its left.
*/
void staticcombo(struct ctlpos *cp, char *stext,
int sid, int lid, int percentlist)
{
const int height = (COMBOHEIGHT > STATICHEIGHT ?
COMBOHEIGHT : STATICHEIGHT);
RECT r;
int lwid, rwid, rpos;
rpos =
GAPBETWEEN + (100 - percentlist) * (cp->width + GAPBETWEEN) / 100;
lwid = rpos - 2 * GAPBETWEEN;
rwid = cp->width + GAPBETWEEN - rpos;
r.left = GAPBETWEEN;
r.top = cp->ypos + (height - STATICHEIGHT) / 2;
r.right = lwid;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
r.left = rpos;
r.top = cp->ypos + (height - EDITHEIGHT) / 2;
r.right = rwid;
r.bottom = COMBOHEIGHT*10;
doctl(cp, r, "COMBOBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
CBS_DROPDOWN | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
cp->ypos += height + GAPBETWEEN;
}
/*
* A static, with a full-width drop-down list box below it.
*/
void staticddlbig(struct ctlpos *cp, char *stext,
int sid, int lid)
{
RECT r;
if (stext) {
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
cp->ypos += STATICHEIGHT;
}
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = COMBOHEIGHT*4;
doctl(cp, r, "COMBOBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
cp->ypos += COMBOHEIGHT + GAPBETWEEN;
}
/*
* A big multiline edit control with a static labelling it.
*/
void bigeditctrl(struct ctlpos *cp, char *stext,
int sid, int eid, int lines)
{
RECT r;
if (stext) {
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT;
cp->ypos += r.bottom + GAPWITHIN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
}
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = EDITHEIGHT + (lines - 1) * STATICHEIGHT;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, "EDIT",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL | ES_MULTILINE,
WS_EX_CLIENTEDGE, "", eid);
}
/*
* A list box with a static labelling it.
*/
void listbox(struct ctlpos *cp, char *stext,
int sid, int lid, int lines, int multi)
{
RECT r;
if (stext != NULL) {
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT;
cp->ypos += r.bottom + GAPWITHIN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
}
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, "LISTBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_VSCROLL |
LBS_NOTIFY | LBS_HASSTRINGS | LBS_USETABSTOPS |
(multi ? LBS_MULTIPLESEL : 0),
WS_EX_CLIENTEDGE, "", lid);
}
/*
* A tab-control substitute when a real tab control is unavailable.
*/
void ersatztab(struct ctlpos *cp, char *stext, int sid, int lid, int s2id)
{
const int height = (COMBOHEIGHT > STATICHEIGHT ?
COMBOHEIGHT : STATICHEIGHT);
RECT r;
int bigwid, lwid, rwid, rpos;
static const int BIGGAP = 15;
static const int MEDGAP = 3;
bigwid = cp->width + 2 * GAPBETWEEN - 2 * BIGGAP;
cp->ypos += MEDGAP;
rpos = BIGGAP + (bigwid + BIGGAP) / 2;
lwid = rpos - 2 * BIGGAP;
rwid = bigwid + BIGGAP - rpos;
r.left = BIGGAP;
r.top = cp->ypos + (height - STATICHEIGHT) / 2;
r.right = lwid;
r.bottom = STATICHEIGHT;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
r.left = rpos;
r.top = cp->ypos + (height - COMBOHEIGHT) / 2;
r.right = rwid;
r.bottom = COMBOHEIGHT * 10;
doctl(cp, r, "COMBOBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP |
CBS_DROPDOWNLIST | CBS_HASSTRINGS, WS_EX_CLIENTEDGE, "", lid);
cp->ypos += height + MEDGAP + GAPBETWEEN;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = 2;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ,
0, "", s2id);
}
/*
* A static line, followed by an edit control on the left hand side
* and a button on the right.
*/
void editbutton(struct ctlpos *cp, char *stext, int sid,
int eid, char *btext, int bid)
{
const int height = (EDITHEIGHT > PUSHBTNHEIGHT ?
EDITHEIGHT : PUSHBTNHEIGHT);
RECT r;
int lwid, rwid, rpos;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT;
cp->ypos += r.bottom + GAPWITHIN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
rpos = GAPBETWEEN + 3 * (cp->width + GAPBETWEEN) / 4;
lwid = rpos - 2 * GAPBETWEEN;
rwid = cp->width + GAPBETWEEN - rpos;
r.left = GAPBETWEEN;
r.top = cp->ypos + (height - EDITHEIGHT) / 2;
r.right = lwid;
r.bottom = EDITHEIGHT;
doctl(cp, r, "EDIT",
WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL,
WS_EX_CLIENTEDGE, "", eid);
r.left = rpos;
r.top = cp->ypos + (height - PUSHBTNHEIGHT) / 2;
r.right = rwid;
r.bottom = PUSHBTNHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
0, btext, bid);
cp->ypos += height + GAPBETWEEN;
}
/*
* A special control for manipulating an ordered preference list
* (eg. for cipher selection).
* XXX: this is a rough hack and could be improved.
*/
void prefslist(struct prefslist *hdl, struct ctlpos *cp, int lines,
char *stext, int sid, int listid, int upbid, int dnbid)
{
const static int percents[] = { 5, 75, 20 };
RECT r;
int xpos, percent = 0, i;
int listheight = LISTHEIGHT + (lines - 1) * LISTINCREMENT;
const int BTNSHEIGHT = 2*PUSHBTNHEIGHT + GAPBETWEEN;
int totalheight, buttonpos;
/* Squirrel away IDs. */
hdl->listid = listid;
hdl->upbid = upbid;
hdl->dnbid = dnbid;
/* The static label. */
if (stext != NULL) {
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = STATICHEIGHT;
cp->ypos += r.bottom + GAPWITHIN;
doctl(cp, r, "STATIC", WS_CHILD | WS_VISIBLE, 0, stext, sid);
}
if (listheight > BTNSHEIGHT) {
totalheight = listheight;
buttonpos = (listheight - BTNSHEIGHT) / 2;
} else {
totalheight = BTNSHEIGHT;
buttonpos = 0;
}
for (i=0; i<3; i++) {
int left, wid;
xpos = (cp->width + GAPBETWEEN) * percent / 100;
left = xpos + GAPBETWEEN;
percent += percents[i];
xpos = (cp->width + GAPBETWEEN) * percent / 100;
wid = xpos - left;
switch (i) {
case 1:
/* The drag list box. */
r.left = left; r.right = wid;
r.top = cp->ypos; r.bottom = listheight;
{
HWND ctl;
ctl = doctl(cp, r, "LISTBOX",
WS_CHILD | WS_VISIBLE | WS_TABSTOP |
WS_VSCROLL | LBS_HASSTRINGS | LBS_USETABSTOPS,
WS_EX_CLIENTEDGE,
"", listid);
MakeDragList(ctl);
}
break;
case 2:
/* The "Up" and "Down" buttons. */
/* XXX worry about accelerators if we have more than one
* prefslist on a panel */
r.left = left; r.right = wid;
r.top = cp->ypos + buttonpos; r.bottom = PUSHBTNHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE |
WS_TABSTOP | BS_PUSHBUTTON,
0, "&Up", upbid);
r.left = left; r.right = wid;
r.top = cp->ypos + buttonpos + PUSHBTNHEIGHT + GAPBETWEEN;
r.bottom = PUSHBTNHEIGHT;
doctl(cp, r, "BUTTON",
BS_NOTIFY | WS_CHILD | WS_VISIBLE |
WS_TABSTOP | BS_PUSHBUTTON,
0, "&Down", dnbid);
break;
}
}
cp->ypos += totalheight + GAPBETWEEN;
}
/*
* Helper function for prefslist: move item in list box.
*/
static void pl_moveitem(HWND hwnd, int listid, int src, int dst)
{
int tlen, val;
char *txt;
/* Get the item's data. */
tlen = SendDlgItemMessage (hwnd, listid, LB_GETTEXTLEN, src, 0);
txt = snewn(tlen+1, char);
SendDlgItemMessage (hwnd, listid, LB_GETTEXT, src, (LPARAM) txt);
val = SendDlgItemMessage (hwnd, listid, LB_GETITEMDATA, src, 0);
/* Deselect old location. */
SendDlgItemMessage (hwnd, listid, LB_SETSEL, FALSE, src);
/* Delete it at the old location. */
SendDlgItemMessage (hwnd, listid, LB_DELETESTRING, src, 0);
/* Insert it at new location. */
SendDlgItemMessage (hwnd, listid, LB_INSERTSTRING, dst,
(LPARAM) txt);
SendDlgItemMessage (hwnd, listid, LB_SETITEMDATA, dst,
(LPARAM) val);
/* Set selection. */
SendDlgItemMessage (hwnd, listid, LB_SETCURSEL, dst, 0);
sfree (txt);
}
int pl_itemfrompt(HWND hwnd, POINT cursor, BOOL scroll)
{
int ret;
POINT uppoint, downpoint;
int updist, downdist, upitem, downitem, i;
/*
* Ghastly hackery to try to figure out not which
* _item_, but which _gap between items_, the user
* is pointing at. We do this by first working out
* which list item is under the cursor, and then
* working out how far the cursor would have to
* move up or down before the answer was different.
* Then we put the insertion point _above_ the
* current item if the upper edge is closer than
* the lower edge, or _below_ it if vice versa.
*/
ret = LBItemFromPt(hwnd, cursor, scroll);
if (ret == -1)
return ret;
ret = LBItemFromPt(hwnd, cursor, FALSE);
updist = downdist = 0;
for (i = 1; i < 4096 && (!updist || !downdist); i++) {
uppoint = downpoint = cursor;
uppoint.y -= i;
downpoint.y += i;
upitem = LBItemFromPt(hwnd, uppoint, FALSE);
downitem = LBItemFromPt(hwnd, downpoint, FALSE);
if (!updist && upitem != ret)
updist = i;
if (!downdist && downitem != ret)
downdist = i;
}
if (downdist < updist)
ret++;
return ret;
}
/*
* Handler for prefslist above.
*
* Return value has bit 0 set if the dialog box procedure needs to
* return TRUE from handling this message; it has bit 1 set if a
* change may have been made in the contents of the list.
*/
int handle_prefslist(struct prefslist *hdl,
int *array, int maxmemb,
int is_dlmsg, HWND hwnd,
WPARAM wParam, LPARAM lParam)
{
int i;
int ret = 0;
if (is_dlmsg) {
if ((int)wParam == hdl->listid) {
DRAGLISTINFO *dlm = (DRAGLISTINFO *)lParam;
int dest = 0; /* initialise to placate gcc */
switch (dlm->uNotification) {
case DL_BEGINDRAG:
/* Add a dummy item to make pl_itemfrompt() work
* better.
* FIXME: this causes scrollbar glitches if the count of
* listbox contains >= its height. */
hdl->dummyitem =
SendDlgItemMessage(hwnd, hdl->listid,
LB_ADDSTRING, 0, (LPARAM) "");
hdl->srcitem = LBItemFromPt(dlm->hWnd, dlm->ptCursor, TRUE);
hdl->dragging = 0;
/* XXX hack Q183115 */
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, TRUE);
ret |= 1; break;
case DL_CANCELDRAG:
DrawInsert(hwnd, dlm->hWnd, -1); /* Clear arrow */
SendDlgItemMessage(hwnd, hdl->listid,
LB_DELETESTRING, hdl->dummyitem, 0);
hdl->dragging = 0;
ret |= 1; break;
case DL_DRAGGING:
hdl->dragging = 1;
dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
if (dest > hdl->dummyitem) dest = hdl->dummyitem;
DrawInsert (hwnd, dlm->hWnd, dest);
if (dest >= 0)
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, DL_MOVECURSOR);
else
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, DL_STOPCURSOR);
ret |= 1; break;
case DL_DROPPED:
if (hdl->dragging) {
dest = pl_itemfrompt(dlm->hWnd, dlm->ptCursor, TRUE);
if (dest > hdl->dummyitem) dest = hdl->dummyitem;
DrawInsert (hwnd, dlm->hWnd, -1);
}
SendDlgItemMessage(hwnd, hdl->listid,
LB_DELETESTRING, hdl->dummyitem, 0);
if (hdl->dragging) {
hdl->dragging = 0;
if (dest >= 0) {
/* Correct for "missing" item. */
if (dest > hdl->srcitem) dest--;
pl_moveitem(hwnd, hdl->listid, hdl->srcitem, dest);
}
ret |= 2;
}
ret |= 1; break;
}
}
} else {
if (((LOWORD(wParam) == hdl->upbid) ||
(LOWORD(wParam) == hdl->dnbid)) &&
((HIWORD(wParam) == BN_CLICKED) ||
(HIWORD(wParam) == BN_DOUBLECLICKED))) {
/* Move an item up or down the list. */
/* Get the current selection, if any. */
int selection = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCURSEL, 0, 0);
if (selection == LB_ERR) {
MessageBeep(0);
} else {
int nitems;
/* Get the total number of items. */
nitems = SendDlgItemMessage (hwnd, hdl->listid, LB_GETCOUNT, 0, 0);
/* Should we do anything? */
if (LOWORD(wParam) == hdl->upbid && (selection > 0))
pl_moveitem(hwnd, hdl->listid, selection, selection - 1);
else if (LOWORD(wParam) == hdl->dnbid && (selection < nitems - 1))
pl_moveitem(hwnd, hdl->listid, selection, selection + 1);
ret |= 2;
}
}
}
if (array) {
/* Update array to match the list box. */
for (i=0; i < maxmemb; i++)
array[i] = SendDlgItemMessage (hwnd, hdl->listid, LB_GETITEMDATA,
i, 0);
}
return ret;
}
/*
* A progress bar (from Common Controls). We like our progress bars
* to be smooth and unbroken, without those ugly divisions; some
* older compilers may not support that, but that's life.
*/
void progressbar(struct ctlpos *cp, int id)
{
RECT r;
r.left = GAPBETWEEN;
r.top = cp->ypos;
r.right = cp->width;
r.bottom = PROGBARHEIGHT;
cp->ypos += r.bottom + GAPBETWEEN;
doctl(cp, r, PROGRESS_CLASS, WS_CHILD | WS_VISIBLE
#ifdef PBS_SMOOTH
| PBS_SMOOTH
#endif
, WS_EX_CLIENTEDGE, "", id);
}
/* ----------------------------------------------------------------------
* Platform-specific side of portable dialog-box mechanism.
*/
/*
* This function takes a string, escapes all the ampersands, and
* places a single (unescaped) ampersand in front of the first
* occurrence of the given shortcut character (which may be
* NO_SHORTCUT).
*
* Return value is a malloc'ed copy of the processed version of the
* string.
*/
static char *shortcut_escape(const char *text, char shortcut)
{
char *ret;
char const *p;
char *q;
if (!text)
return NULL; /* sfree won't choke on this */
ret = snewn(2*strlen(text)+1, char); /* size potentially doubles! */
shortcut = tolower((unsigned char)shortcut);
p = text;
q = ret;
while (*p) {
if (shortcut != NO_SHORTCUT &&
tolower((unsigned char)*p) == shortcut) {
*q++ = '&';
shortcut = NO_SHORTCUT; /* stop it happening twice */
} else if (*p == '&') {
*q++ = '&';
}
*q++ = *p++;
}
*q = '\0';
return ret;
}
void winctrl_add_shortcuts(struct dlgparam *dp, struct winctrl *c)
{
int i;
for (i = 0; i < lenof(c->shortcuts); i++)
if (c->shortcuts[i] != NO_SHORTCUT) {
unsigned char s = tolower((unsigned char)c->shortcuts[i]);
assert(!dp->shortcuts[s]);
dp->shortcuts[s] = TRUE;
}
}
void winctrl_rem_shortcuts(struct dlgparam *dp, struct winctrl *c)
{
int i;
for (i = 0; i < lenof(c->shortcuts); i++)
if (c->shortcuts[i] != NO_SHORTCUT) {
unsigned char s = tolower((unsigned char)c->shortcuts[i]);
assert(dp->shortcuts[s]);
dp->shortcuts[s] = FALSE;
}
}
static int winctrl_cmp_byctrl(void *av, void *bv)
{
struct winctrl *a = (struct winctrl *)av;
struct winctrl *b = (struct winctrl *)bv;
if (a->ctrl < b->ctrl)
return -1;
else if (a->ctrl > b->ctrl)
return +1;
else
return 0;
}
static int winctrl_cmp_byid(void *av, void *bv)
{
struct winctrl *a = (struct winctrl *)av;
struct winctrl *b = (struct winctrl *)bv;
if (a->base_id < b->base_id)
return -1;
else if (a->base_id > b->base_id)
return +1;
else
return 0;
}
static int winctrl_cmp_byctrl_find(void *av, void *bv)
{
union control *a = (union control *)av;
struct winctrl *b = (struct winctrl *)bv;
if (a < b->ctrl)
return -1;
else if (a > b->ctrl)
return +1;
else
return 0;
}
static int winctrl_cmp_byid_find(void *av, void *bv)
{
int *a = (int *)av;
struct winctrl *b = (struct winctrl *)bv;
if (*a < b->base_id)
return -1;
else if (*a >= b->base_id + b->num_ids)
return +1;
else
return 0;
}
void winctrl_init(struct winctrls *wc)
{
wc->byctrl = newtree234(winctrl_cmp_byctrl);
wc->byid = newtree234(winctrl_cmp_byid);
}
void winctrl_cleanup(struct winctrls *wc)
{
struct winctrl *c;
while ((c = index234(wc->byid, 0)) != NULL) {
winctrl_remove(wc, c);
sfree(c->data);
sfree(c);
}
freetree234(wc->byctrl);
freetree234(wc->byid);
wc->byctrl = wc->byid = NULL;
}
void winctrl_add(struct winctrls *wc, struct winctrl *c)
{
struct winctrl *ret;
if (c->ctrl) {
ret = add234(wc->byctrl, c);
assert(ret == c);
}
ret = add234(wc->byid, c);
assert(ret == c);
}
void winctrl_remove(struct winctrls *wc, struct winctrl *c)
{
struct winctrl *ret;
ret = del234(wc->byctrl, c);
ret = del234(wc->byid, c);
assert(ret == c);
}
struct winctrl *winctrl_findbyctrl(struct winctrls *wc, union control *ctrl)
{
return find234(wc->byctrl, ctrl, winctrl_cmp_byctrl_find);
}
struct winctrl *winctrl_findbyid(struct winctrls *wc, int id)
{
return find234(wc->byid, &id, winctrl_cmp_byid_find);
}
struct winctrl *winctrl_findbyindex(struct winctrls *wc, int index)
{
return index234(wc->byid, index);
}
void winctrl_layout(struct dlgparam *dp, struct winctrls *wc,
struct ctlpos *cp, struct controlset *s, int *id)
{
struct ctlpos columns[16];
int ncols, colstart, colspan;
struct ctlpos tabdelays[16];
union control *tabdelayed[16];
int ntabdelays;
struct ctlpos pos;
char shortcuts[MAX_SHORTCUTS_PER_CTRL];
int nshortcuts;
char *escaped;
int i, actual_base_id, base_id, num_ids;
void *data;
base_id = *id;
/* Start a containing box, if we have a boxname. */
if (s->boxname && *s->boxname) {
struct winctrl *c = snew(struct winctrl);
c->ctrl = NULL;
c->base_id = base_id;
c->num_ids = 1;
c->data = NULL;
memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts));
winctrl_add(wc, c);
beginbox(cp, s->boxtitle, base_id);
base_id++;
}
/* Draw a title, if we have one. */
if (!s->boxname && s->boxtitle) {
struct winctrl *c = snew(struct winctrl);
c->ctrl = NULL;
c->base_id = base_id;
c->num_ids = 1;
c->data = dupstr(s->boxtitle);
memset(c->shortcuts, NO_SHORTCUT, lenof(c->shortcuts));
winctrl_add(wc, c);
paneltitle(cp, base_id);
base_id++;
}
/* Initially we have just one column. */
ncols = 1;
columns[0] = *cp; /* structure copy */
/* And initially, there are no pending tab-delayed controls. */
ntabdelays = 0;
/* Loop over each control in the controlset. */
for (i = 0; i < s->ncontrols; i++) {
union control *ctrl = s->ctrls[i];
/*
* Generic processing that pertains to all control types.
* At the end of this if statement, we'll have produced
* `ctrl' (a pointer to the control we have to create, or
* think about creating, in this iteration of the loop),
* `pos' (a suitable ctlpos with which to position it), and
* `c' (a winctrl structure to receive details of the
* dialog IDs). Or we'll have done a `continue', if it was
* CTRL_COLUMNS and doesn't require any control creation at
* all.
*/
if (ctrl->generic.type == CTRL_COLUMNS) {
assert((ctrl->columns.ncols == 1) ^ (ncols == 1));
if (ncols == 1) {
/*
* We're splitting into multiple columns.
*/
int lpercent, rpercent, lx, rx, i;
ncols = ctrl->columns.ncols;
assert(ncols <= lenof(columns));
for (i = 1; i < ncols; i++)
columns[i] = columns[0]; /* structure copy */
lpercent = 0;
for (i = 0; i < ncols; i++) {
rpercent = lpercent + ctrl->columns.percentages[i];
lx = columns[i].xoff + lpercent *
(columns[i].width + GAPBETWEEN) / 100;
rx = columns[i].xoff + rpercent *
(columns[i].width + GAPBETWEEN) / 100;
columns[i].xoff = lx;
columns[i].width = rx - lx - GAPBETWEEN;
lpercent = rpercent;
}
} else {
/*
* We're recombining the various columns into one.
*/
int maxy = columns[0].ypos;
int i;
for (i = 1; i < ncols; i++)
if (maxy < columns[i].ypos)
maxy = columns[i].ypos;
ncols = 1;
columns[0] = *cp; /* structure copy */
columns[0].ypos = maxy;
}
continue;
} else if (ctrl->generic.type == CTRL_TABDELAY) {
int i;
assert(!ctrl->generic.tabdelay);
ctrl = ctrl->tabdelay.ctrl;
for (i = 0; i < ntabdelays; i++)
if (tabdelayed[i] == ctrl)
break;
assert(i < ntabdelays); /* we have to have found it */
pos = tabdelays[i]; /* structure copy */
colstart = colspan = -1; /* indicate this was tab-delayed */
} else {
/*
* If it wasn't one of those, it's a genuine control;
* so we'll have to compute a position for it now, by
* checking its column span.
*/
int col;
colstart = COLUMN_START(ctrl->generic.column);
colspan = COLUMN_SPAN(ctrl->generic.column);
pos = columns[colstart]; /* structure copy */
pos.width = columns[colstart+colspan-1].width +
(columns[colstart+colspan-1].xoff - columns[colstart].xoff);
for (col = colstart; col < colstart+colspan; col++)
if (pos.ypos < columns[col].ypos)
pos.ypos = columns[col].ypos;
/*
* If this control is to be tabdelayed, add it to the
* tabdelay list, and unset pos.hwnd to inhibit actual
* control creation.
*/
if (ctrl->generic.tabdelay) {
assert(ntabdelays < lenof(tabdelays));
tabdelays[ntabdelays] = pos; /* structure copy */
tabdelayed[ntabdelays] = ctrl;
ntabdelays++;
pos.hwnd = NULL;
}
}
/* Most controls don't need anything in c->data. */
data = NULL;
/* And they all start off with no shortcuts registered. */
memset(shortcuts, NO_SHORTCUT, lenof(shortcuts));
nshortcuts = 0;
/* Almost all controls start at base_id. */
actual_base_id = base_id;
/*
* Now we're ready to actually create the control, by
* switching on its type.
*/
switch (ctrl->generic.type) {
case CTRL_TEXT:
{
char *wrapped, *escaped;
int lines;
num_ids = 1;
wrapped = staticwrap(&pos, cp->hwnd,
ctrl->generic.label, &lines);
escaped = shortcut_escape(wrapped, NO_SHORTCUT);
statictext(&pos, escaped, lines, base_id);
sfree(escaped);
sfree(wrapped);
}
break;
case CTRL_EDITBOX:
num_ids = 2; /* static, edit */
escaped = shortcut_escape(ctrl->editbox.label,
ctrl->editbox.shortcut);
shortcuts[nshortcuts++] = ctrl->editbox.shortcut;
if (ctrl->editbox.percentwidth == 100) {
if (ctrl->editbox.has_list)
combobox(&pos, escaped,
base_id, base_id+1);
else
editboxfw(&pos, ctrl->editbox.password, escaped,
base_id, base_id+1);
} else {
if (ctrl->editbox.has_list) {
staticcombo(&pos, escaped, base_id, base_id+1,
ctrl->editbox.percentwidth);
} else {
(ctrl->editbox.password ? staticpassedit : staticedit)
(&pos, escaped, base_id, base_id+1,
ctrl->editbox.percentwidth);
}
}
sfree(escaped);
break;
case CTRL_RADIO:
num_ids = ctrl->radio.nbuttons + 1; /* label as well */
{
struct radio *buttons;
int i;
escaped = shortcut_escape(ctrl->radio.label,
ctrl->radio.shortcut);
shortcuts[nshortcuts++] = ctrl->radio.shortcut;
buttons = snewn(ctrl->radio.nbuttons, struct radio);
for (i = 0; i < ctrl->radio.nbuttons; i++) {
buttons[i].text =
shortcut_escape(ctrl->radio.buttons[i],
(char)(ctrl->radio.shortcuts ?
ctrl->radio.shortcuts[i] :
NO_SHORTCUT));
buttons[i].id = base_id + 1 + i;
if (ctrl->radio.shortcuts) {
assert(nshortcuts < MAX_SHORTCUTS_PER_CTRL);
shortcuts[nshortcuts++] = ctrl->radio.shortcuts[i];
}
}
radioline_common(&pos, escaped, base_id,
ctrl->radio.ncolumns,
buttons, ctrl->radio.nbuttons);
for (i = 0; i < ctrl->radio.nbuttons; i++) {
sfree(buttons[i].text);
}
sfree(buttons);
sfree(escaped);
}
break;
case CTRL_CHECKBOX:
num_ids = 1;
escaped = shortcut_escape(ctrl->checkbox.label,
ctrl->checkbox.shortcut);
shortcuts[nshortcuts++] = ctrl->checkbox.shortcut;
checkbox(&pos, escaped, base_id);
sfree(escaped);
break;
case CTRL_BUTTON:
escaped = shortcut_escape(ctrl->button.label,
ctrl->button.shortcut);
shortcuts[nshortcuts++] = ctrl->button.shortcut;
if (ctrl->button.iscancel)
actual_base_id = IDCANCEL;
num_ids = 1;
button(&pos, escaped, actual_base_id, ctrl->button.isdefault);
sfree(escaped);
break;
case CTRL_LISTBOX:
num_ids = 2;
escaped = shortcut_escape(ctrl->listbox.label,
ctrl->listbox.shortcut);
shortcuts[nshortcuts++] = ctrl->listbox.shortcut;
if (ctrl->listbox.draglist) {
data = snew(struct prefslist);
num_ids = 4;
prefslist(data, &pos, ctrl->listbox.height, escaped,
base_id, base_id+1, base_id+2, base_id+3);
shortcuts[nshortcuts++] = 'u'; /* Up */
shortcuts[nshortcuts++] = 'd'; /* Down */
} else if (ctrl->listbox.height == 0) {
/* Drop-down list. */
if (ctrl->listbox.percentwidth == 100) {
staticddlbig(&pos, escaped,
base_id, base_id+1);
} else {
staticddl(&pos, escaped, base_id,
base_id+1, ctrl->listbox.percentwidth);
}
} else {
/* Ordinary list. */
listbox(&pos, escaped, base_id, base_id+1,
ctrl->listbox.height, ctrl->listbox.multisel);
}
if (ctrl->listbox.ncols) {
/*
* This method of getting the box width is a bit of
* a hack; we'd do better to try to retrieve the
* actual width in dialog units from doctl() just
* before MapDialogRect. But that's going to be no
* fun, and this should be good enough accuracy.
*/
int width = cp->width * ctrl->listbox.percentwidth;
int *tabarray;
int i, percent;
tabarray = snewn(ctrl->listbox.ncols-1, int);
percent = 0;
for (i = 0; i < ctrl->listbox.ncols-1; i++) {
percent += ctrl->listbox.percentages[i];
tabarray[i] = width * percent / 10000;
}
SendDlgItemMessage(cp->hwnd, base_id+1, LB_SETTABSTOPS,
ctrl->listbox.ncols-1, (LPARAM)tabarray);
sfree(tabarray);
}
sfree(escaped);
break;
case CTRL_FILESELECT:
num_ids = 3;
escaped = shortcut_escape(ctrl->fileselect.label,
ctrl->fileselect.shortcut);
shortcuts[nshortcuts++] = ctrl->fileselect.shortcut;
editbutton(&pos, escaped, base_id, base_id+1,
"Bro&wse...", base_id+2);
shortcuts[nshortcuts++] = 'w';
sfree(escaped);
break;
case CTRL_FONTSELECT:
num_ids = 3;
escaped = shortcut_escape(ctrl->fontselect.label,
ctrl->fontselect.shortcut);
shortcuts[nshortcuts++] = ctrl->fontselect.shortcut;
statictext(&pos, escaped, 1, base_id);
staticbtn(&pos, "", base_id+1, "Change...", base_id+2);
data = fontspec_new("", 0, 0, 0);
sfree(escaped);
break;
default:
assert(!"Can't happen");
num_ids = 0; /* placate gcc */
break;
}
/*
* Create a `struct winctrl' for this control, and advance
* the dialog ID counter, if it's actually been created
* (and isn't tabdelayed).
*/
if (pos.hwnd) {
struct winctrl *c = snew(struct winctrl);
c->ctrl = ctrl;
c->base_id = actual_base_id;
c->num_ids = num_ids;
c->data = data;
memcpy(c->shortcuts, shortcuts, sizeof(shortcuts));
winctrl_add(wc, c);
winctrl_add_shortcuts(dp, c);
if (actual_base_id == base_id)
base_id += num_ids;
} else {
sfree(data);
}
if (colstart >= 0) {
/*
* Update the ypos in all columns crossed by this
* control.
*/
int i;
for (i = colstart; i < colstart+colspan; i++)
columns[i].ypos = pos.ypos;
}
}
/*
* We've now finished laying out the controls; so now update
* the ctlpos and control ID that were passed in, terminate
* any containing box, and return.
*/
for (i = 0; i < ncols; i++)
if (cp->ypos < columns[i].ypos)
cp->ypos = columns[i].ypos;
*id = base_id;
if (s->boxname && *s->boxname)
endbox(cp);
}
static void winctrl_set_focus(union control *ctrl, struct dlgparam *dp,
int has_focus)
{
if (has_focus) {
if (dp->focused)
dp->lastfocused = dp->focused;
dp->focused = ctrl;
} else if (!has_focus && dp->focused == ctrl) {
dp->lastfocused = dp->focused;
dp->focused = NULL;
}
}
union control *dlg_last_focused(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
return dp->focused == ctrl ? dp->lastfocused : dp->focused;
}
/*
* The dialog-box procedure calls this function to handle Windows
* messages on a control we manage.
*/
int winctrl_handle_command(struct dlgparam *dp, UINT msg,
WPARAM wParam, LPARAM lParam)
{
struct winctrl *c;
union control *ctrl;
int i, id, ret;
static UINT draglistmsg = WM_NULL;
/*
* Filter out pointless window messages. Our interest is in
* WM_COMMAND and the drag list message, and nothing else.
*/
if (draglistmsg == WM_NULL)
draglistmsg = RegisterWindowMessage (DRAGLISTMSGSTRING);
if (msg != draglistmsg && msg != WM_COMMAND && msg != WM_DRAWITEM)
return 0;
/*
* Look up the control ID in our data.
*/
c = NULL;
for (i = 0; i < dp->nctrltrees; i++) {
c = winctrl_findbyid(dp->controltrees[i], LOWORD(wParam));
if (c)
break;
}
if (!c)
return 0; /* we have nothing to do */
if (msg == WM_DRAWITEM) {
/*
* Owner-draw request for a panel title.
*/
LPDRAWITEMSTRUCT di = (LPDRAWITEMSTRUCT) lParam;
HDC hdc = di->hDC;
RECT r = di->rcItem;
SIZE s;
SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
GetTextExtentPoint32(hdc, (char *)c->data,
strlen((char *)c->data), &s);
DrawEdge(hdc, &r, EDGE_ETCHED, BF_ADJUST | BF_RECT);
TextOut(hdc,
r.left + (r.right-r.left-s.cx)/2,
r.top + (r.bottom-r.top-s.cy)/2,
(char *)c->data, strlen((char *)c->data));
return TRUE;
}
ctrl = c->ctrl;
id = LOWORD(wParam) - c->base_id;
if (!ctrl || !ctrl->generic.handler)
return 0; /* nothing we can do here */
/*
* From here on we do not issue `return' statements until the
* very end of the dialog box: any event handler is entitled to
* ask for a colour selector, so we _must_ always allow control
* to reach the end of this switch statement so that the
* subsequent code can test dp->coloursel_wanted().
*/
ret = 0;
dp->coloursel_wanted = FALSE;
/*
* Now switch on the control type and the message.
*/
switch (ctrl->generic.type) {
case CTRL_EDITBOX:
if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
(HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
if (msg == WM_COMMAND && ctrl->editbox.has_list &&
(HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
if (msg == WM_COMMAND && !ctrl->editbox.has_list &&
HIWORD(wParam) == EN_CHANGE)
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
if (msg == WM_COMMAND &&
ctrl->editbox.has_list) {
if (HIWORD(wParam) == CBN_SELCHANGE) {
int index, len;
char *text;
index = SendDlgItemMessage(dp->hwnd, c->base_id+1,
CB_GETCURSEL, 0, 0);
len = SendDlgItemMessage(dp->hwnd, c->base_id+1,
CB_GETLBTEXTLEN, index, 0);
text = snewn(len+1, char);
SendDlgItemMessage(dp->hwnd, c->base_id+1, CB_GETLBTEXT,
index, (LPARAM)text);
SetDlgItemText(dp->hwnd, c->base_id+1, text);
sfree(text);
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
} else if (HIWORD(wParam) == CBN_EDITCHANGE) {
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
} else if (HIWORD(wParam) == CBN_KILLFOCUS) {
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
}
}
break;
case CTRL_RADIO:
if (msg == WM_COMMAND &&
(HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
/*
* We sometimes get spurious BN_CLICKED messages for the
* radio button that is just about to _lose_ selection, if
* we're switching using the arrow keys. Therefore we
* double-check that the button in wParam is actually
* checked before generating an event.
*/
if (msg == WM_COMMAND &&
(HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED) &&
IsDlgButtonChecked(dp->hwnd, LOWORD(wParam))) {
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
}
break;
case CTRL_CHECKBOX:
if (msg == WM_COMMAND &&
(HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
if (msg == WM_COMMAND &&
(HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED)) {
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
}
break;
case CTRL_BUTTON:
if (msg == WM_COMMAND &&
(HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
if (msg == WM_COMMAND &&
(HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED)) {
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
}
break;
case CTRL_LISTBOX:
if (msg == WM_COMMAND && ctrl->listbox.height != 0 &&
(HIWORD(wParam)==LBN_SETFOCUS || HIWORD(wParam)==LBN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == LBN_SETFOCUS);
if (msg == WM_COMMAND && ctrl->listbox.height == 0 &&
(HIWORD(wParam)==CBN_SETFOCUS || HIWORD(wParam)==CBN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == CBN_SETFOCUS);
if (msg == WM_COMMAND && id >= 2 &&
(HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
if (ctrl->listbox.draglist) {
int pret;
pret = handle_prefslist(c->data, NULL, 0, (msg != WM_COMMAND),
dp->hwnd, wParam, lParam);
if (pret & 2)
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
ret = pret & 1;
} else {
if (msg == WM_COMMAND && HIWORD(wParam) == LBN_DBLCLK) {
SetCapture(dp->hwnd);
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_ACTION);
} else if (msg == WM_COMMAND && HIWORD(wParam) == LBN_SELCHANGE) {
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_SELCHANGE);
}
}
break;
case CTRL_FILESELECT:
if (msg == WM_COMMAND && id == 1 &&
(HIWORD(wParam) == EN_SETFOCUS || HIWORD(wParam) == EN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == EN_SETFOCUS);
if (msg == WM_COMMAND && id == 2 &&
(HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
if (msg == WM_COMMAND && id == 1 && HIWORD(wParam) == EN_CHANGE)
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
if (id == 2 &&
(msg == WM_COMMAND &&
(HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED))) {
OPENFILENAME of;
char filename[FILENAME_MAX];
memset(&of, 0, sizeof(of));
of.hwndOwner = dp->hwnd;
if (ctrl->fileselect.filter)
of.lpstrFilter = ctrl->fileselect.filter;
else
of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
of.lpstrCustomFilter = NULL;
of.nFilterIndex = 1;
of.lpstrFile = filename;
GetDlgItemText(dp->hwnd, c->base_id+1, filename, lenof(filename));
filename[lenof(filename)-1] = '\0';
of.nMaxFile = lenof(filename);
of.lpstrFileTitle = NULL;
of.lpstrTitle = ctrl->fileselect.title;
of.Flags = 0;
if (request_file(NULL, &of, FALSE, ctrl->fileselect.for_writing)) {
SetDlgItemText(dp->hwnd, c->base_id + 1, filename);
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
}
}
break;
case CTRL_FONTSELECT:
if (msg == WM_COMMAND && id == 2 &&
(HIWORD(wParam) == BN_SETFOCUS || HIWORD(wParam) == BN_KILLFOCUS))
winctrl_set_focus(ctrl, dp, HIWORD(wParam) == BN_SETFOCUS);
if (id == 2 &&
(msg == WM_COMMAND &&
(HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED))) {
CHOOSEFONT cf;
LOGFONT lf;
HDC hdc;
FontSpec *fs = (FontSpec *)c->data;
hdc = GetDC(0);
lf.lfHeight = -MulDiv(fs->height,
GetDeviceCaps(hdc, LOGPIXELSY), 72);
ReleaseDC(0, hdc);
lf.lfWidth = lf.lfEscapement = lf.lfOrientation = 0;
lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = 0;
lf.lfWeight = (fs->isbold ? FW_BOLD : 0);
lf.lfCharSet = fs->charset;
lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
strncpy(lf.lfFaceName, fs->name,
sizeof(lf.lfFaceName) - 1);
lf.lfFaceName[sizeof(lf.lfFaceName) - 1] = '\0';
cf.lStructSize = sizeof(cf);
cf.hwndOwner = dp->hwnd;
cf.lpLogFont = &lf;
cf.Flags = (dp->fixed_pitch_fonts ? CF_FIXEDPITCHONLY : 0) |
CF_FORCEFONTEXIST | CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS;
if (ChooseFont(&cf)) {
fs = fontspec_new(lf.lfFaceName, (lf.lfWeight == FW_BOLD),
cf.iPointSize / 10, lf.lfCharSet);
dlg_fontsel_set(ctrl, dp, fs);
fontspec_free(fs);
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_VALCHANGE);
}
}
break;
}
/*
* If the above event handler has asked for a colour selector,
* now is the time to generate one.
*/
if (dp->coloursel_wanted) {
static CHOOSECOLOR cc;
static DWORD custom[16] = { 0 }; /* zero initialisers */
cc.lStructSize = sizeof(cc);
cc.hwndOwner = dp->hwnd;
cc.hInstance = (HWND) hinst;
cc.lpCustColors = custom;
cc.rgbResult = RGB(dp->coloursel_result.r,
dp->coloursel_result.g,
dp->coloursel_result.b);
cc.Flags = CC_FULLOPEN | CC_RGBINIT;
if (ChooseColor(&cc)) {
dp->coloursel_result.r =
(unsigned char) (cc.rgbResult & 0xFF);
dp->coloursel_result.g =
(unsigned char) (cc.rgbResult >> 8) & 0xFF;
dp->coloursel_result.b =
(unsigned char) (cc.rgbResult >> 16) & 0xFF;
dp->coloursel_result.ok = TRUE;
} else
dp->coloursel_result.ok = FALSE;
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_CALLBACK);
}
return ret;
}
/*
* This function can be called to produce context help on a
* control. Returns TRUE if it has actually launched some help.
*/
int winctrl_context_help(struct dlgparam *dp, HWND hwnd, int id)
{
int i;
struct winctrl *c;
/*
* Look up the control ID in our data.
*/
c = NULL;
for (i = 0; i < dp->nctrltrees; i++) {
c = winctrl_findbyid(dp->controltrees[i], id);
if (c)
break;
}
if (!c)
return 0; /* we have nothing to do */
/*
* This is the Windows front end, so we're allowed to assume
* `helpctx.p' is a context string.
*/
if (!c->ctrl || !c->ctrl->generic.helpctx.p)
return 0; /* no help available for this ctrl */
launch_help(hwnd, c->ctrl->generic.helpctx.p);
return 1;
}
/*
* Now the various functions that the platform-independent
* mechanism can call to access the dialog box entries.
*/
static struct winctrl *dlg_findbyctrl(struct dlgparam *dp, union control *ctrl)
{
int i;
for (i = 0; i < dp->nctrltrees; i++) {
struct winctrl *c = winctrl_findbyctrl(dp->controltrees[i], ctrl);
if (c)
return c;
}
return NULL;
}
void dlg_radiobutton_set(union control *ctrl, void *dlg, int whichbutton)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_RADIO);
CheckRadioButton(dp->hwnd,
c->base_id + 1,
c->base_id + c->ctrl->radio.nbuttons,
c->base_id + 1 + whichbutton);
}
int dlg_radiobutton_get(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int i;
assert(c && c->ctrl->generic.type == CTRL_RADIO);
for (i = 0; i < c->ctrl->radio.nbuttons; i++)
if (IsDlgButtonChecked(dp->hwnd, c->base_id + 1 + i))
return i;
assert(!"No radio button was checked?!");
return 0;
}
void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
CheckDlgButton(dp->hwnd, c->base_id, (checked != 0));
}
int dlg_checkbox_get(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_CHECKBOX);
return 0 != IsDlgButtonChecked(dp->hwnd, c->base_id);
}
void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
SetDlgItemText(dp->hwnd, c->base_id+1, text);
}
char *dlg_editbox_get(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_EDITBOX);
return GetDlgItemText_alloc(dp->hwnd, c->base_id+1);
}
/* The `listbox' functions can also apply to combo boxes. */
void dlg_listbox_clear(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg;
assert(c &&
(c->ctrl->generic.type == CTRL_LISTBOX ||
(c->ctrl->generic.type == CTRL_EDITBOX &&
c->ctrl->editbox.has_list)));
msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
LB_RESETCONTENT : CB_RESETCONTENT);
SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
}
void dlg_listbox_del(union control *ctrl, void *dlg, int index)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg;
assert(c &&
(c->ctrl->generic.type == CTRL_LISTBOX ||
(c->ctrl->generic.type == CTRL_EDITBOX &&
c->ctrl->editbox.has_list)));
msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
LB_DELETESTRING : CB_DELETESTRING);
SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
}
void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg;
assert(c &&
(c->ctrl->generic.type == CTRL_LISTBOX ||
(c->ctrl->generic.type == CTRL_EDITBOX &&
c->ctrl->editbox.has_list)));
msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
LB_ADDSTRING : CB_ADDSTRING);
SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
}
/*
* Each listbox entry may have a numeric id associated with it.
* Note that some front ends only permit a string to be stored at
* each position, which means that _if_ you put two identical
* strings in any listbox then you MUST not assign them different
* IDs and expect to get meaningful results back.
*/
void dlg_listbox_addwithid(union control *ctrl, void *dlg,
char const *text, int id)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg, msg2, index;
assert(c &&
(c->ctrl->generic.type == CTRL_LISTBOX ||
(c->ctrl->generic.type == CTRL_EDITBOX &&
c->ctrl->editbox.has_list)));
msg = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
LB_ADDSTRING : CB_ADDSTRING);
msg2 = (c->ctrl->generic.type==CTRL_LISTBOX && c->ctrl->listbox.height!=0 ?
LB_SETITEMDATA : CB_SETITEMDATA);
index = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, (LPARAM)text);
SendDlgItemMessage(dp->hwnd, c->base_id+1, msg2, index, (LPARAM)id);
}
int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg;
assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
msg = (c->ctrl->listbox.height != 0 ? LB_GETITEMDATA : CB_GETITEMDATA);
return
SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
}
/* dlg_listbox_index returns <0 if no single element is selected. */
int dlg_listbox_index(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg, ret;
assert(c && c->ctrl->generic.type == CTRL_LISTBOX);
if (c->ctrl->listbox.multisel) {
assert(c->ctrl->listbox.height != 0); /* not combo box */
ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSELCOUNT, 0, 0);
if (ret == LB_ERR || ret > 1)
return -1;
}
msg = (c->ctrl->listbox.height != 0 ? LB_GETCURSEL : CB_GETCURSEL);
ret = SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, 0, 0);
if (ret == LB_ERR)
return -1;
else
return ret;
}
int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
c->ctrl->listbox.multisel &&
c->ctrl->listbox.height != 0);
return
SendDlgItemMessage(dp->hwnd, c->base_id+1, LB_GETSEL, index, 0);
}
void dlg_listbox_select(union control *ctrl, void *dlg, int index)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int msg;
assert(c && c->ctrl->generic.type == CTRL_LISTBOX &&
!c->ctrl->listbox.multisel);
msg = (c->ctrl->listbox.height != 0 ? LB_SETCURSEL : CB_SETCURSEL);
SendDlgItemMessage(dp->hwnd, c->base_id+1, msg, index, 0);
}
void dlg_text_set(union control *ctrl, void *dlg, char const *text)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_TEXT);
SetDlgItemText(dp->hwnd, c->base_id, text);
}
void dlg_label_change(union control *ctrl, void *dlg, char const *text)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
char *escaped = NULL;
int id = -1;
assert(c);
switch (c->ctrl->generic.type) {
case CTRL_EDITBOX:
escaped = shortcut_escape(text, c->ctrl->editbox.shortcut);
id = c->base_id;
break;
case CTRL_RADIO:
escaped = shortcut_escape(text, c->ctrl->radio.shortcut);
id = c->base_id;
break;
case CTRL_CHECKBOX:
escaped = shortcut_escape(text, ctrl->checkbox.shortcut);
id = c->base_id;
break;
case CTRL_BUTTON:
escaped = shortcut_escape(text, ctrl->button.shortcut);
id = c->base_id;
break;
case CTRL_LISTBOX:
escaped = shortcut_escape(text, ctrl->listbox.shortcut);
id = c->base_id;
break;
case CTRL_FILESELECT:
escaped = shortcut_escape(text, ctrl->fileselect.shortcut);
id = c->base_id;
break;
case CTRL_FONTSELECT:
escaped = shortcut_escape(text, ctrl->fontselect.shortcut);
id = c->base_id;
break;
default:
assert(!"Can't happen");
break;
}
if (escaped) {
SetDlgItemText(dp->hwnd, id, escaped);
sfree(escaped);
}
}
void dlg_filesel_set(union control *ctrl, void *dlg, Filename *fn)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
SetDlgItemText(dp->hwnd, c->base_id+1, fn->path);
}
Filename *dlg_filesel_get(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
char *tmp;
Filename *ret;
assert(c && c->ctrl->generic.type == CTRL_FILESELECT);
tmp = GetDlgItemText_alloc(dp->hwnd, c->base_id+1);
ret = filename_from_str(tmp);
sfree(tmp);
return ret;
}
void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec *fs)
{
char *buf, *boldstr;
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
fontspec_free((FontSpec *)c->data);
c->data = fontspec_copy(fs);
boldstr = (fs->isbold ? "bold, " : "");
if (fs->height == 0)
buf = dupprintf("Font: %s, %sdefault height", fs->name, boldstr);
else
buf = dupprintf("Font: %s, %s%d-%s", fs->name, boldstr,
(fs->height < 0 ? -fs->height : fs->height),
(fs->height < 0 ? "pixel" : "point"));
SetDlgItemText(dp->hwnd, c->base_id+1, buf);
sfree(buf);
dlg_auto_set_fixed_pitch_flag(dp);
}
FontSpec *dlg_fontsel_get(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
assert(c && c->ctrl->generic.type == CTRL_FONTSELECT);
return fontspec_copy((FontSpec *)c->data);
}
/*
* Bracketing a large set of updates in these two functions will
* cause the front end (if possible) to delay updating the screen
* until it's all complete, thus avoiding flicker.
*/
void dlg_update_start(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
SendDlgItemMessage(dp->hwnd, c->base_id+1, WM_SETREDRAW, FALSE, 0);
}
}
void dlg_update_done(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
if (c && c->ctrl->generic.type == CTRL_LISTBOX) {
HWND hw = GetDlgItem(dp->hwnd, c->base_id+1);
SendMessage(hw, WM_SETREDRAW, TRUE, 0);
InvalidateRect(hw, NULL, TRUE);
}
}
void dlg_set_focus(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct winctrl *c = dlg_findbyctrl(dp, ctrl);
int id;
HWND ctl;
if (!c)
return;
switch (ctrl->generic.type) {
case CTRL_EDITBOX: id = c->base_id + 1; break;
case CTRL_RADIO:
for (id = c->base_id + ctrl->radio.nbuttons; id > 1; id--)
if (IsDlgButtonChecked(dp->hwnd, id))
break;
/*
* In the theoretically-unlikely case that no button was
* selected, id should come out of this as 1, which is a
* reasonable enough choice.
*/
break;
case CTRL_CHECKBOX: id = c->base_id; break;
case CTRL_BUTTON: id = c->base_id; break;
case CTRL_LISTBOX: id = c->base_id + 1; break;
case CTRL_FILESELECT: id = c->base_id + 1; break;
case CTRL_FONTSELECT: id = c->base_id + 2; break;
default: id = c->base_id; break;
}
ctl = GetDlgItem(dp->hwnd, id);
SetFocus(ctl);
}
/*
* During event processing, you might well want to give an error
* indication to the user. dlg_beep() is a quick and easy generic
* error; dlg_error() puts up a message-box or equivalent.
*/
void dlg_beep(void *dlg)
{
/* struct dlgparam *dp = (struct dlgparam *)dlg; */
MessageBeep(0);
}
void dlg_error_msg(void *dlg, char *msg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
MessageBox(dp->hwnd, msg,
dp->errtitle ? dp->errtitle : NULL,
MB_OK | MB_ICONERROR);
}
/*
* This function signals to the front end that the dialog's
* processing is completed, and passes an integer value (typically
* a success status).
*/
void dlg_end(void *dlg, int value)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
dp->ended = TRUE;
dp->endresult = value;
}
void dlg_refresh(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
int i, j;
struct winctrl *c;
if (!ctrl) {
/*
* Send EVENT_REFRESH to absolutely everything.
*/
for (j = 0; j < dp->nctrltrees; j++) {
for (i = 0;
(c = winctrl_findbyindex(dp->controltrees[j], i)) != NULL;
i++) {
if (c->ctrl && c->ctrl->generic.handler != NULL)
c->ctrl->generic.handler(c->ctrl, dp,
dp->data, EVENT_REFRESH);
}
}
} else {
/*
* Send EVENT_REFRESH to a specific control.
*/
if (ctrl->generic.handler != NULL)
ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
}
}
void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
dp->coloursel_wanted = TRUE;
dp->coloursel_result.r = r;
dp->coloursel_result.g = g;
dp->coloursel_result.b = b;
}
int dlg_coloursel_results(union control *ctrl, void *dlg,
int *r, int *g, int *b)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
if (dp->coloursel_result.ok) {
*r = dp->coloursel_result.r;
*g = dp->coloursel_result.g;
*b = dp->coloursel_result.b;
return 1;
} else
return 0;
}
void dlg_auto_set_fixed_pitch_flag(void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
Conf *conf = (Conf *)dp->data;
FontSpec *fs;
int quality;
HFONT hfont;
HDC hdc;
TEXTMETRIC tm;
int is_var;
/*
* Attempt to load the current font, and see if it's
* variable-pitch. If so, start off the fixed-pitch flag for the
* dialog box as false.
*
* We assume here that any client of the dlg_* mechanism which is
* using font selectors at all is also using a normal 'Conf *'
* as dp->data.
*/
quality = conf_get_int(conf, CONF_font_quality);
fs = conf_get_fontspec(conf, CONF_font);
hfont = CreateFont(0, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE,
DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS, FONT_QUALITY(quality),
FIXED_PITCH | FF_DONTCARE, fs->name);
hdc = GetDC(NULL);
if (hdc && SelectObject(hdc, hfont) && GetTextMetrics(hdc, &tm)) {
/* Note that the TMPF_FIXED_PITCH bit is defined upside down :-( */
is_var = (tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
} else {
is_var = FALSE; /* assume it's basically normal */
}
if (hdc)
ReleaseDC(NULL, hdc);
if (hfont)
DeleteObject(hfont);
if (is_var)
dp->fixed_pitch_fonts = FALSE;
}
int dlg_get_fixed_pitch_flag(void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
return dp->fixed_pitch_fonts;
}
void dlg_set_fixed_pitch_flag(void *dlg, int flag)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
dp->fixed_pitch_fonts = flag;
}
struct perctrl_privdata {
union control *ctrl;
void *data;
int needs_free;
};
static int perctrl_privdata_cmp(void *av, void *bv)
{
struct perctrl_privdata *a = (struct perctrl_privdata *)av;
struct perctrl_privdata *b = (struct perctrl_privdata *)bv;
if (a->ctrl < b->ctrl)
return -1;
else if (a->ctrl > b->ctrl)
return +1;
return 0;
}
void dp_init(struct dlgparam *dp)
{
dp->nctrltrees = 0;
dp->data = NULL;
dp->ended = FALSE;
dp->focused = dp->lastfocused = NULL;
memset(dp->shortcuts, 0, sizeof(dp->shortcuts));
dp->hwnd = NULL;
dp->wintitle = dp->errtitle = NULL;
dp->privdata = newtree234(perctrl_privdata_cmp);
dp->fixed_pitch_fonts = TRUE;
}
void dp_add_tree(struct dlgparam *dp, struct winctrls *wc)
{
assert(dp->nctrltrees < lenof(dp->controltrees));
dp->controltrees[dp->nctrltrees++] = wc;
}
void dp_cleanup(struct dlgparam *dp)
{
struct perctrl_privdata *p;
if (dp->privdata) {
while ( (p = index234(dp->privdata, 0)) != NULL ) {
del234(dp->privdata, p);
if (p->needs_free)
sfree(p->data);
sfree(p);
}
freetree234(dp->privdata);
dp->privdata = NULL;
}
sfree(dp->wintitle);
sfree(dp->errtitle);
}
void *dlg_get_privdata(union control *ctrl, void *dlg)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct perctrl_privdata tmp, *p;
tmp.ctrl = ctrl;
p = find234(dp->privdata, &tmp, NULL);
if (p)
return p->data;
else
return NULL;
}
void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct perctrl_privdata tmp, *p;
tmp.ctrl = ctrl;
p = find234(dp->privdata, &tmp, NULL);
if (!p) {
p = snew(struct perctrl_privdata);
p->ctrl = ctrl;
p->needs_free = FALSE;
add234(dp->privdata, p);
}
p->data = ptr;
}
void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
{
struct dlgparam *dp = (struct dlgparam *)dlg;
struct perctrl_privdata tmp, *p;
tmp.ctrl = ctrl;
p = find234(dp->privdata, &tmp, NULL);
if (!p) {
p = snew(struct perctrl_privdata);
p->ctrl = ctrl;
p->needs_free = FALSE;
add234(dp->privdata, p);
}
assert(!p->needs_free);
p->needs_free = TRUE;
/*
* This is an internal allocation routine, so it's allowed to
* use smalloc directly.
*/
p->data = smalloc(size);
return p->data;
}
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