reactos/rosapps/dflat32/dialbox.c

793 lines
22 KiB
C
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/* ----------------- dialbox.c -------------- */
#include "dflat.h"
static int inFocusCommand(DF_DBOX *);
static void dbShortcutKeys(DF_DBOX *, int);
static int ControlProc(DFWINDOW, DFMESSAGE, DF_PARAM, DF_PARAM);
static void FirstFocus(DF_DBOX *db);
static void NextFocus(DF_DBOX *db);
static void PrevFocus(DF_DBOX *db);
static DF_CTLWINDOW *AssociatedControl(DF_DBOX *, enum DfCommands);
static BOOL SysMenuOpen;
static DF_DBOX **dbs = NULL;
static int dbct = 0;
/* --- clear all heap allocations to control text fields --- */
void DfClearDialogBoxes(void)
{
int i;
for (i = 0; i < dbct; i++)
{
DF_CTLWINDOW *ct = (*(dbs+i))->ctl;
while (ct->class)
{
if ((ct->class == DF_EDITBOX ||
ct->class == DF_COMBOBOX) &&
ct->itext != NULL)
{
free(ct->itext);
}
ct++;
}
}
if (dbs != NULL)
{
free(dbs);
dbs = NULL;
}
dbct = 0;
}
/* -------- DFM_CREATE_WINDOW Message --------- */
static int CreateWindowMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
DF_DBOX *db = wnd->extension;
DF_CTLWINDOW *ct = db->ctl;
DFWINDOW cwnd;
int rtn, i;
/* ---- build a table of processed dialog boxes ---- */
for (i = 0; i < dbct; i++)
if (db == dbs[i])
break;
if (i == dbct) {
dbs = DfRealloc(dbs, sizeof(DF_DBOX *) * (dbct+1));
*(dbs + dbct++) = db;
}
rtn = DfBaseWndProc(DF_DIALOG, wnd, DFM_CREATE_WINDOW, p1, p2);
ct = db->ctl;
while (ct->class) {
int attrib = 0;
if (DfTestAttribute(wnd, DF_NOCLIP))
attrib |= DF_NOCLIP;
if (wnd->Modal)
attrib |= DF_SAVESELF;
ct->setting = ct->isetting;
if (ct->class == DF_EDITBOX && ct->dwnd.h > 1)
attrib |= (DF_MULTILINE | DF_HASBORDER);
else if ((ct->class == DF_LISTBOX || ct->class == DF_TEXTBOX) &&
ct->dwnd.h > 2)
attrib |= DF_HASBORDER;
cwnd = DfDfCreateWindow(ct->class,
ct->dwnd.title,
ct->dwnd.x+DfGetClientLeft(wnd),
ct->dwnd.y+DfGetClientTop(wnd),
ct->dwnd.h,
ct->dwnd.w,
ct,
wnd,
ControlProc,
attrib);
if ((ct->class == DF_EDITBOX ||
ct->class == DF_COMBOBOX) &&
ct->itext != NULL)
DfSendMessage(cwnd, DFM_SETTEXT, (DF_PARAM) ct->itext, 0);
ct++;
}
return rtn;
}
/* -------- DFM_LEFT_BUTTON Message --------- */
static BOOL LeftButtonMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
DF_DBOX *db = wnd->extension;
DF_CTLWINDOW *ct = db->ctl;
if (DfWindowSizing || DfWindowMoving)
return TRUE;
if (DfHitControlBox(wnd, p1-DfGetLeft(wnd), p2-DfGetTop(wnd))) {
DfPostMessage(wnd, DFM_KEYBOARD, ' ', DF_ALTKEY);
return TRUE;
}
while (ct->class) {
DFWINDOW cwnd = ct->wnd;
if (ct->class == DF_COMBOBOX) {
if (p2 == DfGetTop(cwnd)) {
if (p1 == DfGetRight(cwnd)+1) {
DfSendMessage(cwnd, DFM_LEFT_BUTTON, p1, p2);
return TRUE;
}
}
if (DfGetClass(DfInFocus) == DF_LISTBOX)
DfSendMessage(wnd, DFM_SETFOCUS, TRUE, 0);
}
else if (ct->class == DF_SPINBUTTON) {
if (p2 == DfGetTop(cwnd)) {
if (p1 == DfGetRight(cwnd)+1 ||
p1 == DfGetRight(cwnd)+2) {
DfSendMessage(cwnd, DFM_LEFT_BUTTON, p1, p2);
return TRUE;
}
}
}
ct++;
}
return FALSE;
}
/* -------- DFM_KEYBOARD Message --------- */
static BOOL KeyboardMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
DF_DBOX *db = wnd->extension;
DF_CTLWINDOW *ct;
if (DfWindowMoving || DfWindowSizing)
return FALSE;
switch ((int)p1) {
case DF_F1:
ct = DfGetControl(DfInFocus);
if (ct != NULL)
if (DfDisplayHelp(wnd, ct->help))
return TRUE;
break;
case DF_SHIFT_HT:
case DF_BS:
case DF_UP:
PrevFocus(db);
break;
case DF_ALT_F6:
case '\t':
case DF_FWD:
case DF_DN:
NextFocus(db);
break;
case ' ':
if (((int)p2 & DF_ALTKEY) &&
DfTestAttribute(wnd, DF_CONTROLBOX)) {
SysMenuOpen = TRUE;
DfBuildSystemMenu(wnd);
}
break;
case DF_CTRL_F4:
case DF_ESC:
DfSendMessage(wnd, DFM_COMMAND, DF_ID_CANCEL, 0);
break;
default:
/* ------ search all the shortcut keys ----- */
dbShortcutKeys(db, (int) p1);
break;
}
return wnd->Modal;
}
/* -------- COMMAND Message --------- */
static BOOL CommandMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
DF_DBOX *db = wnd->extension;
switch ((int) p1) {
case DF_ID_OK:
case DF_ID_CANCEL:
if ((int)p2 != 0)
return TRUE;
wnd->ReturnCode = (int) p1;
if (wnd->Modal)
DfPostMessage(wnd, DFM_ENDDIALOG, 0, 0);
else
DfSendMessage(wnd, DFM_CLOSE_WINDOW, TRUE, 0);
return TRUE;
case DF_ID_HELP:
if ((int)p2 != 0)
return TRUE;
return DfDisplayHelp(wnd, db->HelpName);
default:
break;
}
return FALSE;
}
/* ----- window-processing module, DF_DIALOG window class ----- */
int DfDialogProc(DFWINDOW wnd, DFMESSAGE msg, DF_PARAM p1, DF_PARAM p2)
{
int rtn;
DF_DBOX *db = wnd->extension;
switch (msg) {
case DFM_CREATE_WINDOW:
return CreateWindowMsg(wnd, p1, p2);
case DFM_SHIFT_CHANGED:
if (wnd->Modal)
return TRUE;
break;
case DFM_LEFT_BUTTON:
if (LeftButtonMsg(wnd, p1, p2))
return TRUE;
break;
case DFM_KEYBOARD:
if (KeyboardMsg(wnd, p1, p2))
return TRUE;
break;
case DFM_CLOSE_POPDOWN:
SysMenuOpen = FALSE;
break;
case DFM_LB_SELECTION:
case DFM_LB_CHOOSE:
if (SysMenuOpen)
return TRUE;
DfSendMessage(wnd, DFM_COMMAND, inFocusCommand(db), msg);
break;
case DFM_COMMAND:
if (CommandMsg(wnd, p1, p2))
return TRUE;
break;
case DFM_PAINT:
p2 = TRUE;
break;
case DFM_MOVE:
case DFM_DFM_SIZE:
rtn = DfBaseWndProc(DF_DIALOG, wnd, msg, p1, p2);
if (wnd->dfocus != NULL)
DfSendMessage(wnd->dfocus, DFM_SETFOCUS, TRUE, 0);
return rtn;
case DFM_CLOSE_WINDOW:
if (!p1)
{
DfSendMessage(wnd, DFM_COMMAND, DF_ID_CANCEL, 0);
return TRUE;
}
break;
default:
break;
}
return DfBaseWndProc(DF_DIALOG, wnd, msg, p1, p2);
}
/* ------- create and execute a dialog box ---------- */
BOOL DfDialogBox(DFWINDOW wnd, DF_DBOX *db, BOOL Modal,
int (*wndproc)(struct DfWindow *, enum DfMessages, DF_PARAM, DF_PARAM))
{
BOOL rtn;
int x = db->dwnd.x, y = db->dwnd.y;
DFWINDOW DialogWnd;
if (!Modal && wnd != NULL)
{
x += DfGetLeft(wnd);
y += DfGetTop(wnd);
}
DialogWnd = DfDfCreateWindow(DF_DIALOG,
db->dwnd.title,
x, y,
db->dwnd.h,
db->dwnd.w,
db,
wnd,
wndproc,
Modal ? DF_SAVESELF : 0);
DialogWnd->Modal = Modal;
FirstFocus(db);
DfPostMessage(DialogWnd, DFM_INITIATE_DIALOG, 0, 0);
if (Modal)
{
DfSendMessage(DialogWnd, DFM_CAPTURE_MOUSE, 0, 0);
DfSendMessage(DialogWnd, DFM_CAPTURE_KEYBOARD, 0, 0);
while (DfDispatchMessage ())
;
rtn = DialogWnd->ReturnCode == DF_ID_OK;
DfSendMessage(DialogWnd, DFM_RELEASE_MOUSE, 0, 0);
DfSendMessage(DialogWnd, DFM_RELEASE_KEYBOARD, 0, 0);
DfSendMessage(DialogWnd, DFM_CLOSE_WINDOW, TRUE, 0);
return rtn;
}
return FALSE;
}
/* ----- return command code of in-focus control window ---- */
static int inFocusCommand(DF_DBOX *db)
{
DF_CTLWINDOW *ct = db->ctl;
while (ct->class) {
if (ct->wnd == DfInFocus)
return ct->command;
ct++;
}
return -1;
}
/* -------- find a specified control structure ------- */
DF_CTLWINDOW *DfFindCommand(DF_DBOX *db, enum DfCommands cmd, int class)
{
DF_CTLWINDOW *ct = db->ctl;
while (ct->class)
{
if (ct->class == class)
if (cmd == ct->command)
return ct;
ct++;
}
return NULL;
}
/* ---- return the window handle of a specified command ---- */
DFWINDOW DfControlWindow(DF_DBOX *db, enum DfCommands cmd)
{
DF_CTLWINDOW *ct = db->ctl;
while (ct->class)
{
if (ct->class != DF_TEXT && cmd == ct->command)
return ct->wnd;
ct++;
}
return NULL;
}
/* --- return a pointer to the control structure that matches a window --- */
DF_CTLWINDOW *WindowControl(DF_DBOX *db, DFWINDOW wnd)
{
DF_CTLWINDOW *ct = db->ctl;
while (ct->class)
{
if (ct->wnd == wnd)
return ct;
ct++;
}
return NULL;
}
/* ---- set a control DF_ON or DF_OFF ----- */
void DfControlSetting(DF_DBOX *db, enum DfCommands cmd,
int class, int setting)
{
DF_CTLWINDOW *ct = DfFindCommand(db, cmd, class);
if (ct != NULL) {
ct->isetting = setting;
if (ct->wnd != NULL)
ct->setting = setting;
}
}
/* ---- return pointer to the text of a control window ---- */
char *DfGetDlgTextString(DF_DBOX *db,enum DfCommands cmd,DFCLASS class)
{
DF_CTLWINDOW *ct = DfFindCommand(db, cmd, class);
if (ct != NULL)
return ct->itext;
else
return NULL;
}
/* ------- set the text of a control specification ------ */
void DfSetDlgTextString(DF_DBOX *db, enum DfCommands cmd,
char *text, DFCLASS class)
{
DF_CTLWINDOW *ct = DfFindCommand(db, cmd, class);
if (ct != NULL) {
ct->itext = DfRealloc(ct->itext, strlen(text)+1);
strcpy(ct->itext, text);
}
}
/* ------- set the text of a control window ------ */
void DfPutItemText(DFWINDOW wnd, enum DfCommands cmd, char *text)
{
DF_CTLWINDOW *ct = DfFindCommand(wnd->extension, cmd, DF_EDITBOX);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_TEXTBOX);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_COMBOBOX);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_LISTBOX);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_SPINBUTTON);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_TEXT);
if (ct != NULL) {
DFWINDOW cwnd = (DFWINDOW) (ct->wnd);
switch (ct->class) {
case DF_COMBOBOX:
case DF_EDITBOX:
DfSendMessage(cwnd, DFM_CLEARTEXT, 0, 0);
DfSendMessage(cwnd, DFM_ADDTEXT, (DF_PARAM) text, 0);
if (!DfIsMultiLine(cwnd))
DfSendMessage(cwnd, DFM_PAINT, 0, 0);
break;
case DF_LISTBOX:
case DF_TEXTBOX:
case DF_SPINBUTTON:
DfSendMessage(cwnd, DFM_ADDTEXT, (DF_PARAM) text, 0);
break;
case DF_TEXT: {
DfSendMessage(cwnd, DFM_CLEARTEXT, 0, 0);
DfSendMessage(cwnd, DFM_ADDTEXT, (DF_PARAM) text, 0);
DfSendMessage(cwnd, DFM_PAINT, 0, 0);
break;
}
default:
break;
}
}
}
/* ------- get the text of a control window ------ */
void DfGetItemText(DFWINDOW wnd, enum DfCommands cmd,
char *text, int len)
{
DF_CTLWINDOW *ct = DfFindCommand(wnd->extension, cmd, DF_EDITBOX);
char *cp;
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_COMBOBOX);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_TEXTBOX);
if (ct == NULL)
ct = DfFindCommand(wnd->extension, cmd, DF_TEXT);
if (ct != NULL) {
DFWINDOW cwnd = (DFWINDOW) (ct->wnd);
if (cwnd != NULL) {
switch (ct->class) {
case DF_TEXT:
if (DfGetText(cwnd) != NULL) {
cp = strchr(DfGetText(cwnd), '\n');
if (cp != NULL)
len = (int) (cp - DfGetText(cwnd));
strncpy(text, DfGetText(cwnd), len);
*(text+len) = '\0';
}
break;
case DF_TEXTBOX:
if (DfGetText(cwnd) != NULL)
strncpy(text, DfGetText(cwnd), len);
break;
case DF_COMBOBOX:
case DF_EDITBOX:
DfSendMessage(cwnd,DFM_GETTEXT,(DF_PARAM)text,len);
break;
default:
break;
}
}
}
}
/* ------- set the text of a listbox control window ------ */
void DfGetDlgListText(DFWINDOW wnd, char *text, enum DfCommands cmd)
{
DF_CTLWINDOW *ct = DfFindCommand(wnd->extension, cmd, DF_LISTBOX);
int sel = DfSendMessage(ct->wnd, DFM_LB_CURRENTSELECTION, 0, 0);
DfSendMessage(ct->wnd, DFM_LB_GETTEXT, (DF_PARAM) text, sel);
}
/* -- find control structure associated with text control -- */
static DF_CTLWINDOW *AssociatedControl(DF_DBOX *db,enum DfCommands Tcmd)
{
DF_CTLWINDOW *ct = db->ctl;
while (ct->class) {
if (ct->class != DF_TEXT)
if (ct->command == Tcmd)
break;
ct++;
}
return ct;
}
/* --- process dialog box shortcut keys --- */
static void dbShortcutKeys(DF_DBOX *db, int ky)
{
DF_CTLWINDOW *ct;
int ch = DfAltConvert(ky);
if (ch != 0) {
ct = db->ctl;
while (ct->class) {
char *cp = ct->itext;
while (cp && *cp) {
if (*cp == DF_SHORTCUTCHAR &&
tolower(*(cp+1)) == ch) {
if (ct->class == DF_TEXT)
ct = AssociatedControl(db, ct->command);
if (ct->class == DF_RADIOBUTTON)
DfSetRadioButton(db, ct);
else if (ct->class == DF_CHECKBOX) {
ct->setting ^= DF_ON;
DfSendMessage(ct->wnd, DFM_PAINT, 0, 0);
}
else if (ct->class) {
DfSendMessage(ct->wnd, DFM_SETFOCUS, TRUE, 0);
if (ct->class == DF_BUTTON)
DfSendMessage(ct->wnd,DFM_KEYBOARD,'\r',0);
}
return;
}
cp++;
}
ct++;
}
}
}
/* --- dynamically add or remove scroll bars
from a control window ---- */
void DfSetScrollBars(DFWINDOW wnd)
{
int oldattr = DfGetAttribute(wnd);
if (wnd->wlines > DfClientHeight(wnd))
DfAddAttribute(wnd, DF_VSCROLLBAR);
else
DfClearAttribute(wnd, DF_VSCROLLBAR);
if (wnd->textwidth > DfClientWidth(wnd))
DfAddAttribute(wnd, DF_HSCROLLBAR);
else
DfClearAttribute(wnd, DF_HSCROLLBAR);
if (DfGetAttribute(wnd) != oldattr)
DfSendMessage(wnd, DFM_BORDER, 0, 0);
}
/* ------- DFM_CREATE_WINDOW Message (Control) ----- */
static void CtlCreateWindowMsg(DFWINDOW wnd)
{
DF_CTLWINDOW *ct;
ct = wnd->ct = wnd->extension;
wnd->extension = NULL;
if (ct != NULL)
ct->wnd = wnd;
}
/* ------- DFM_KEYBOARD Message (Control) ----- */
static BOOL CtlKeyboardMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
DF_CTLWINDOW *ct = DfGetControl(wnd);
switch ((int) p1) {
case DF_F1:
if (DfWindowMoving || DfWindowSizing)
break;
if (!DfDisplayHelp(wnd, ct->help))
DfSendMessage(DfGetParent(wnd),DFM_COMMAND,DF_ID_HELP,0);
return TRUE;
case ' ':
if (!((int)p2 & DF_ALTKEY))
break;
case DF_ALT_F6:
case DF_CTRL_F4:
case DF_ALT_F4:
DfPostMessage(DfGetParent(wnd), DFM_KEYBOARD, p1, p2);
return TRUE;
default:
break;
}
if (DfGetClass(wnd) == DF_EDITBOX)
if (DfIsMultiLine(wnd))
return FALSE;
switch ((int) p1) {
case DF_UP:
if (!DfIsDerivedFrom(wnd, DF_LISTBOX)) {
p1 = DF_CTRL_FIVE;
p2 = DF_LEFTSHIFT;
}
break;
case DF_BS:
if (!DfIsDerivedFrom(wnd, DF_EDITBOX)) {
p1 = DF_CTRL_FIVE;
p2 = DF_LEFTSHIFT;
}
break;
case DF_DN:
if (!DfIsDerivedFrom(wnd, DF_LISTBOX) &&
!DfIsDerivedFrom(wnd, DF_COMBOBOX))
p1 = '\t';
break;
case DF_FWD:
if (!DfIsDerivedFrom(wnd, DF_EDITBOX))
p1 = '\t';
break;
case '\r':
if (DfIsDerivedFrom(wnd, DF_EDITBOX))
if (DfIsMultiLine(wnd))
break;
if (DfIsDerivedFrom(wnd, DF_BUTTON))
break;
DfSendMessage(DfGetParent(wnd), DFM_COMMAND, DF_ID_OK, 0);
return TRUE;
default:
break;
}
return FALSE;
}
/* ------- DFM_CLOSE_WINDOW Message (Control) ----- */
static void CtlCloseWindowMsg(DFWINDOW wnd)
{
DF_CTLWINDOW *ct = DfGetControl(wnd);
if (ct != NULL) {
ct->wnd = NULL;
if (DfGetParent(wnd)->ReturnCode == DF_ID_OK) {
if (ct->class == DF_EDITBOX || ct->class == DF_COMBOBOX) {
if (wnd->TextChanged) {
ct->itext=DfRealloc(ct->itext,strlen(wnd->text)+1);
strcpy(ct->itext, wnd->text);
if (!DfIsMultiLine(wnd)) {
char *cp = ct->itext+strlen(ct->itext)-1;
if (*cp == '\n')
*cp = '\0';
}
}
}
else if (ct->class == DF_RADIOBUTTON || ct->class == DF_CHECKBOX)
ct->isetting = ct->setting;
}
}
}
static void FixColors(DFWINDOW wnd)
{
DF_CTLWINDOW *ct = wnd->ct;
if (ct->class != DF_BUTTON)
{
if (ct->class != DF_SPINBUTTON && ct->class != DF_COMBOBOX)
{
wnd->WindowColors[DF_FRAME_COLOR][DF_FG] =
DfGetParent(wnd)->WindowColors[DF_FRAME_COLOR][DF_FG];
wnd->WindowColors[DF_FRAME_COLOR][DF_BG] =
DfGetParent(wnd)->WindowColors[DF_FRAME_COLOR][DF_BG];
if (ct->class != DF_EDITBOX && ct->class != DF_LISTBOX)
{
wnd->WindowColors[DF_STD_COLOR][DF_FG] =
DfGetParent(wnd)->WindowColors[DF_STD_COLOR][DF_FG];
wnd->WindowColors[DF_STD_COLOR][DF_BG] =
DfGetParent(wnd)->WindowColors[DF_STD_COLOR][DF_BG];
}
}
}
}
/* -- generic window processor used by dialog box controls -- */
static int ControlProc(DFWINDOW wnd,DFMESSAGE msg,DF_PARAM p1,DF_PARAM p2)
{
DF_DBOX *db;
if (wnd == NULL)
return FALSE;
db = DfGetParent(wnd) ? DfGetParent(wnd)->extension : NULL;
switch (msg) {
case DFM_CREATE_WINDOW:
CtlCreateWindowMsg(wnd);
break;
case DFM_KEYBOARD:
if (CtlKeyboardMsg(wnd, p1, p2))
return TRUE;
break;
case DFM_PAINT:
FixColors(wnd);
if (DfGetClass(wnd) == DF_EDITBOX ||
DfGetClass(wnd) == DF_LISTBOX ||
DfGetClass(wnd) == DF_TEXTBOX)
DfSetScrollBars(wnd);
break;
case DFM_BORDER:
FixColors(wnd);
if (DfGetClass(wnd) == DF_EDITBOX) {
DFWINDOW oldFocus = DfInFocus;
DfInFocus = NULL;
DfDefaultWndProc(wnd, msg, p1, p2);
DfInFocus = oldFocus;
return TRUE;
}
break;
case DFM_SETFOCUS: {
DFWINDOW pwnd = DfGetParent(wnd);
if (p1)
{
DfDefaultWndProc(wnd, msg, p1, p2);
if (pwnd != NULL)
{
pwnd->dfocus = wnd;
DfSendMessage(pwnd, DFM_COMMAND,
inFocusCommand(db), DFM_ENTERFOCUS);
}
return TRUE;
}
else
DfSendMessage(pwnd, DFM_COMMAND,
inFocusCommand(db), DFM_LEAVEFOCUS);
break;
}
case DFM_CLOSE_WINDOW:
CtlCloseWindowMsg(wnd);
break;
default:
break;
}
return DfDefaultWndProc(wnd, msg, p1, p2);
}
/* ---- change the focus to the first control --- */
static void FirstFocus(DF_DBOX *db)
{
DF_CTLWINDOW *ct = db->ctl;
if (ct != NULL)
{
while (ct->class == DF_TEXT || ct->class == DF_BOX) {
ct++;
if (ct->class == 0)
return;
}
DfSendMessage(ct->wnd, DFM_SETFOCUS, TRUE, 0);
}
}
/* ---- change the focus to the next control --- */
static void NextFocus(DF_DBOX *db)
{
DF_CTLWINDOW *ct = WindowControl(db, DfInFocus);
int looped = 0;
if (ct != NULL)
{
do
{
ct++;
if (ct->class == 0)
{
if (looped)
return;
looped++;
ct = db->ctl;
}
} while (ct->class == DF_TEXT || ct->class == DF_BOX);
DfSendMessage(ct->wnd, DFM_SETFOCUS, TRUE, 0);
}
}
/* ---- change the focus to the previous control --- */
static void PrevFocus(DF_DBOX *db)
{
DF_CTLWINDOW *ct = WindowControl(db, DfInFocus);
int looped = 0;
if (ct != NULL)
{
do
{
if (ct == db->ctl)
{
if (looped)
return;
looped++;
while (ct->class)
ct++;
}
--ct;
} while (ct->class == DF_TEXT || ct->class == DF_BOX);
DfSendMessage(ct->wnd, DFM_SETFOCUS, TRUE, 0);
}
}
void DfSetFocusCursor(DFWINDOW wnd)
{
if (wnd == DfInFocus)
{
DfSendMessage(NULL, DFM_SHOW_CURSOR, 0, 0);
DfSendMessage(wnd, DFM_KEYBOARD_CURSOR, 1, 0);
}
}
/* EOF */