reactos/rosapps/dflat32/dialbox.c

793 lines
21 KiB
C
Raw Normal View History

/* ----------------- dialbox.c -------------- */
#include "dflat.h"
static int inFocusCommand(DBOX *);
static void dbShortcutKeys(DBOX *, int);
static int ControlProc(DFWINDOW, DFMESSAGE, PARAM, PARAM);
static void FirstFocus(DBOX *db);
static void NextFocus(DBOX *db);
static void PrevFocus(DBOX *db);
static CTLWINDOW *AssociatedControl(DBOX *, enum commands);
static BOOL SysMenuOpen;
static DBOX **dbs = NULL;
static int dbct = 0;
/* --- clear all heap allocations to control text fields --- */
void ClearDialogBoxes(void)
{
int i;
for (i = 0; i < dbct; i++)
{
CTLWINDOW *ct = (*(dbs+i))->ctl;
while (ct->class)
{
if ((ct->class == EDITBOX ||
ct->class == COMBOBOX) &&
ct->itext != NULL)
{
free(ct->itext);
}
ct++;
}
}
if (dbs != NULL)
{
free(dbs);
dbs = NULL;
}
dbct = 0;
}
/* -------- CREATE_WINDOW Message --------- */
static int CreateWindowMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
{
DBOX *db = wnd->extension;
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(DBOX *) * (dbct+1));
*(dbs + dbct++) = db;
}
rtn = BaseWndProc(DIALOG, wnd, CREATE_WINDOW, p1, p2);
ct = db->ctl;
while (ct->class) {
int attrib = 0;
if (TestAttribute(wnd, NOCLIP))
attrib |= NOCLIP;
if (wnd->Modal)
attrib |= SAVESELF;
ct->setting = ct->isetting;
if (ct->class == EDITBOX && ct->dwnd.h > 1)
attrib |= (MULTILINE | HASBORDER);
else if ((ct->class == LISTBOX || ct->class == TEXTBOX) &&
ct->dwnd.h > 2)
attrib |= HASBORDER;
cwnd = DfCreateWindow(ct->class,
ct->dwnd.title,
ct->dwnd.x+GetClientLeft(wnd),
ct->dwnd.y+GetClientTop(wnd),
ct->dwnd.h,
ct->dwnd.w,
ct,
wnd,
ControlProc,
attrib);
if ((ct->class == EDITBOX ||
ct->class == COMBOBOX) &&
ct->itext != NULL)
DfSendMessage(cwnd, SETTEXT, (PARAM) ct->itext, 0);
ct++;
}
return rtn;
}
/* -------- LEFT_BUTTON Message --------- */
static BOOL LeftButtonMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
{
DBOX *db = wnd->extension;
CTLWINDOW *ct = db->ctl;
if (WindowSizing || WindowMoving)
return TRUE;
if (HitControlBox(wnd, p1-GetLeft(wnd), p2-GetTop(wnd))) {
DfPostMessage(wnd, KEYBOARD, ' ', ALTKEY);
return TRUE;
}
while (ct->class) {
DFWINDOW cwnd = ct->wnd;
if (ct->class == COMBOBOX) {
if (p2 == GetTop(cwnd)) {
if (p1 == GetRight(cwnd)+1) {
DfSendMessage(cwnd, LEFT_BUTTON, p1, p2);
return TRUE;
}
}
if (GetClass(inFocus) == LISTBOX)
DfSendMessage(wnd, SETFOCUS, TRUE, 0);
}
else if (ct->class == SPINBUTTON) {
if (p2 == GetTop(cwnd)) {
if (p1 == GetRight(cwnd)+1 ||
p1 == GetRight(cwnd)+2) {
DfSendMessage(cwnd, LEFT_BUTTON, p1, p2);
return TRUE;
}
}
}
ct++;
}
return FALSE;
}
/* -------- KEYBOARD Message --------- */
static BOOL KeyboardMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
{
DBOX *db = wnd->extension;
CTLWINDOW *ct;
if (WindowMoving || WindowSizing)
return FALSE;
switch ((int)p1) {
case F1:
ct = GetControl(inFocus);
if (ct != NULL)
if (DisplayHelp(wnd, ct->help))
return TRUE;
break;
case SHIFT_HT:
case BS:
case UP:
PrevFocus(db);
break;
case ALT_F6:
case '\t':
case FWD:
case DN:
NextFocus(db);
break;
case ' ':
if (((int)p2 & ALTKEY) &&
TestAttribute(wnd, CONTROLBOX)) {
SysMenuOpen = TRUE;
BuildSystemMenu(wnd);
}
break;
case CTRL_F4:
case ESC:
DfSendMessage(wnd, DFM_COMMAND, 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, PARAM p1, PARAM p2)
{
DBOX *db = wnd->extension;
switch ((int) p1) {
case ID_OK:
case ID_CANCEL:
if ((int)p2 != 0)
return TRUE;
wnd->ReturnCode = (int) p1;
if (wnd->Modal)
DfPostMessage(wnd, ENDDIALOG, 0, 0);
else
DfSendMessage(wnd, CLOSE_WINDOW, TRUE, 0);
return TRUE;
case ID_HELP:
if ((int)p2 != 0)
return TRUE;
return DisplayHelp(wnd, db->HelpName);
default:
break;
}
return FALSE;
}
/* ----- window-processing module, DIALOG window class ----- */
int DialogProc(DFWINDOW wnd, DFMESSAGE msg, PARAM p1, PARAM p2)
{
int rtn;
DBOX *db = wnd->extension;
switch (msg) {
case CREATE_WINDOW:
return CreateWindowMsg(wnd, p1, p2);
case SHIFT_CHANGED:
if (wnd->Modal)
return TRUE;
break;
case LEFT_BUTTON:
if (LeftButtonMsg(wnd, p1, p2))
return TRUE;
break;
case KEYBOARD:
if (KeyboardMsg(wnd, p1, p2))
return TRUE;
break;
case CLOSE_POPDOWN:
SysMenuOpen = FALSE;
break;
case LB_SELECTION:
case 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 PAINT:
p2 = TRUE;
break;
case MOVE:
case DFM_SIZE:
rtn = BaseWndProc(DIALOG, wnd, msg, p1, p2);
if (wnd->dfocus != NULL)
DfSendMessage(wnd->dfocus, SETFOCUS, TRUE, 0);
return rtn;
case CLOSE_WINDOW:
if (!p1)
{
DfSendMessage(wnd, DFM_COMMAND, ID_CANCEL, 0);
return TRUE;
}
break;
default:
break;
}
return BaseWndProc(DIALOG, wnd, msg, p1, p2);
}
/* ------- create and execute a dialog box ---------- */
BOOL DfDialogBox(DFWINDOW wnd, DBOX *db, BOOL Modal,
int (*wndproc)(struct window *, enum messages, PARAM, PARAM))
{
BOOL rtn;
int x = db->dwnd.x, y = db->dwnd.y;
DFWINDOW DialogWnd;
if (!Modal && wnd != NULL)
{
x += GetLeft(wnd);
y += GetTop(wnd);
}
DialogWnd = DfCreateWindow(DIALOG,
db->dwnd.title,
x, y,
db->dwnd.h,
db->dwnd.w,
db,
wnd,
wndproc,
Modal ? SAVESELF : 0);
DialogWnd->Modal = Modal;
FirstFocus(db);
DfPostMessage(DialogWnd, INITIATE_DIALOG, 0, 0);
if (Modal)
{
DfSendMessage(DialogWnd, CAPTURE_MOUSE, 0, 0);
DfSendMessage(DialogWnd, CAPTURE_KEYBOARD, 0, 0);
while (DfDispatchMessage ())
;
rtn = DialogWnd->ReturnCode == ID_OK;
DfSendMessage(DialogWnd, RELEASE_MOUSE, 0, 0);
DfSendMessage(DialogWnd, RELEASE_KEYBOARD, 0, 0);
DfSendMessage(DialogWnd, CLOSE_WINDOW, TRUE, 0);
return rtn;
}
return FALSE;
}
/* ----- return command code of in-focus control window ---- */
static int inFocusCommand(DBOX *db)
{
CTLWINDOW *ct = db->ctl;
while (ct->class) {
if (ct->wnd == inFocus)
return ct->command;
ct++;
}
return -1;
}
/* -------- find a specified control structure ------- */
CTLWINDOW *FindCommand(DBOX *db, enum commands cmd, int class)
{
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 ControlWindow(DBOX *db, enum commands cmd)
{
CTLWINDOW *ct = db->ctl;
while (ct->class)
{
if (ct->class != TEXT && cmd == ct->command)
return ct->wnd;
ct++;
}
return NULL;
}
/* --- return a pointer to the control structure that matches a window --- */
CTLWINDOW *WindowControl(DBOX *db, DFWINDOW wnd)
{
CTLWINDOW *ct = db->ctl;
while (ct->class)
{
if (ct->wnd == wnd)
return ct;
ct++;
}
return NULL;
}
/* ---- set a control ON or OFF ----- */
void ControlSetting(DBOX *db, enum commands cmd,
int class, int setting)
{
CTLWINDOW *ct = FindCommand(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 *GetDlgTextString(DBOX *db,enum commands cmd,DFCLASS class)
{
CTLWINDOW *ct = FindCommand(db, cmd, class);
if (ct != NULL)
return ct->itext;
else
return NULL;
}
/* ------- set the text of a control specification ------ */
void SetDlgTextString(DBOX *db, enum commands cmd,
char *text, DFCLASS class)
{
CTLWINDOW *ct = FindCommand(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 PutItemText(DFWINDOW wnd, enum commands cmd, char *text)
{
CTLWINDOW *ct = FindCommand(wnd->extension, cmd, EDITBOX);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, TEXTBOX);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, COMBOBOX);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, LISTBOX);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, SPINBUTTON);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, TEXT);
if (ct != NULL) {
DFWINDOW cwnd = (DFWINDOW) (ct->wnd);
switch (ct->class) {
case COMBOBOX:
case EDITBOX:
DfSendMessage(cwnd, CLEARTEXT, 0, 0);
DfSendMessage(cwnd, ADDTEXT, (PARAM) text, 0);
if (!isMultiLine(cwnd))
DfSendMessage(cwnd, PAINT, 0, 0);
break;
case LISTBOX:
case TEXTBOX:
case SPINBUTTON:
DfSendMessage(cwnd, ADDTEXT, (PARAM) text, 0);
break;
case TEXT: {
DfSendMessage(cwnd, CLEARTEXT, 0, 0);
DfSendMessage(cwnd, ADDTEXT, (PARAM) text, 0);
DfSendMessage(cwnd, PAINT, 0, 0);
break;
}
default:
break;
}
}
}
/* ------- get the text of a control window ------ */
void GetItemText(DFWINDOW wnd, enum commands cmd,
char *text, int len)
{
CTLWINDOW *ct = FindCommand(wnd->extension, cmd, EDITBOX);
unsigned char *cp;
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, COMBOBOX);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, TEXTBOX);
if (ct == NULL)
ct = FindCommand(wnd->extension, cmd, TEXT);
if (ct != NULL) {
DFWINDOW cwnd = (DFWINDOW) (ct->wnd);
if (cwnd != NULL) {
switch (ct->class) {
case TEXT:
if (GetText(cwnd) != NULL) {
cp = strchr(GetText(cwnd), '\n');
if (cp != NULL)
len = (int) (cp - GetText(cwnd));
strncpy(text, GetText(cwnd), len);
*(text+len) = '\0';
}
break;
case TEXTBOX:
if (GetText(cwnd) != NULL)
strncpy(text, GetText(cwnd), len);
break;
case COMBOBOX:
case EDITBOX:
DfSendMessage(cwnd,GETTEXT,(PARAM)text,len);
break;
default:
break;
}
}
}
}
/* ------- set the text of a listbox control window ------ */
void GetDlgListText(DFWINDOW wnd, char *text, enum commands cmd)
{
CTLWINDOW *ct = FindCommand(wnd->extension, cmd, LISTBOX);
int sel = DfSendMessage(ct->wnd, LB_CURRENTSELECTION, 0, 0);
DfSendMessage(ct->wnd, DFM_LB_GETTEXT, (PARAM) text, sel);
}
/* -- find control structure associated with text control -- */
static CTLWINDOW *AssociatedControl(DBOX *db,enum commands Tcmd)
{
CTLWINDOW *ct = db->ctl;
while (ct->class) {
if (ct->class != TEXT)
if (ct->command == Tcmd)
break;
ct++;
}
return ct;
}
/* --- process dialog box shortcut keys --- */
static void dbShortcutKeys(DBOX *db, int ky)
{
CTLWINDOW *ct;
int ch = AltConvert(ky);
if (ch != 0) {
ct = db->ctl;
while (ct->class) {
char *cp = ct->itext;
while (cp && *cp) {
if (*cp == SHORTCUTCHAR &&
tolower(*(cp+1)) == ch) {
if (ct->class == TEXT)
ct = AssociatedControl(db, ct->command);
if (ct->class == RADIOBUTTON)
SetRadioButton(db, ct);
else if (ct->class == CHECKBOX) {
ct->setting ^= ON;
DfSendMessage(ct->wnd, PAINT, 0, 0);
}
else if (ct->class) {
DfSendMessage(ct->wnd, SETFOCUS, TRUE, 0);
if (ct->class == BUTTON)
DfSendMessage(ct->wnd,KEYBOARD,'\r',0);
}
return;
}
cp++;
}
ct++;
}
}
}
/* --- dynamically add or remove scroll bars
from a control window ---- */
void SetScrollBars(DFWINDOW wnd)
{
int oldattr = GetAttribute(wnd);
if (wnd->wlines > ClientHeight(wnd))
AddAttribute(wnd, VSCROLLBAR);
else
ClearAttribute(wnd, VSCROLLBAR);
if (wnd->textwidth > ClientWidth(wnd))
AddAttribute(wnd, HSCROLLBAR);
else
ClearAttribute(wnd, HSCROLLBAR);
if (GetAttribute(wnd) != oldattr)
DfSendMessage(wnd, BORDER, 0, 0);
}
/* ------- CREATE_WINDOW Message (Control) ----- */
static void CtlCreateWindowMsg(DFWINDOW wnd)
{
CTLWINDOW *ct;
ct = wnd->ct = wnd->extension;
wnd->extension = NULL;
if (ct != NULL)
ct->wnd = wnd;
}
/* ------- KEYBOARD Message (Control) ----- */
static BOOL CtlKeyboardMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
{
CTLWINDOW *ct = GetControl(wnd);
switch ((int) p1) {
case F1:
if (WindowMoving || WindowSizing)
break;
if (!DisplayHelp(wnd, ct->help))
DfSendMessage(GetParent(wnd),DFM_COMMAND,ID_HELP,0);
return TRUE;
case ' ':
if (!((int)p2 & ALTKEY))
break;
case ALT_F6:
case CTRL_F4:
case ALT_F4:
DfPostMessage(GetParent(wnd), KEYBOARD, p1, p2);
return TRUE;
default:
break;
}
if (GetClass(wnd) == EDITBOX)
if (isMultiLine(wnd))
return FALSE;
switch ((int) p1) {
case UP:
if (!isDerivedFrom(wnd, LISTBOX)) {
p1 = CTRL_FIVE;
p2 = LEFTSHIFT;
}
break;
case BS:
if (!isDerivedFrom(wnd, EDITBOX)) {
p1 = CTRL_FIVE;
p2 = LEFTSHIFT;
}
break;
case DN:
if (!isDerivedFrom(wnd, LISTBOX) &&
!isDerivedFrom(wnd, COMBOBOX))
p1 = '\t';
break;
case FWD:
if (!isDerivedFrom(wnd, EDITBOX))
p1 = '\t';
break;
case '\r':
if (isDerivedFrom(wnd, EDITBOX))
if (isMultiLine(wnd))
break;
if (isDerivedFrom(wnd, BUTTON))
break;
DfSendMessage(GetParent(wnd), DFM_COMMAND, ID_OK, 0);
return TRUE;
default:
break;
}
return FALSE;
}
/* ------- CLOSE_WINDOW Message (Control) ----- */
static void CtlCloseWindowMsg(DFWINDOW wnd)
{
CTLWINDOW *ct = GetControl(wnd);
if (ct != NULL) {
ct->wnd = NULL;
if (GetParent(wnd)->ReturnCode == ID_OK) {
if (ct->class == EDITBOX || ct->class == COMBOBOX) {
if (wnd->TextChanged) {
ct->itext=DFrealloc(ct->itext,strlen(wnd->text)+1);
strcpy(ct->itext, wnd->text);
if (!isMultiLine(wnd)) {
char *cp = ct->itext+strlen(ct->itext)-1;
if (*cp == '\n')
*cp = '\0';
}
}
}
else if (ct->class == RADIOBUTTON || ct->class == CHECKBOX)
ct->isetting = ct->setting;
}
}
}
static void FixColors(DFWINDOW wnd)
{
CTLWINDOW *ct = wnd->ct;
if (ct->class != BUTTON)
{
if (ct->class != SPINBUTTON && ct->class != COMBOBOX)
{
wnd->WindowColors[FRAME_COLOR][FG] =
GetParent(wnd)->WindowColors[FRAME_COLOR][FG];
wnd->WindowColors[FRAME_COLOR][BG] =
GetParent(wnd)->WindowColors[FRAME_COLOR][BG];
if (ct->class != EDITBOX && ct->class != LISTBOX)
{
wnd->WindowColors[STD_COLOR][FG] =
GetParent(wnd)->WindowColors[STD_COLOR][FG];
wnd->WindowColors[STD_COLOR][BG] =
GetParent(wnd)->WindowColors[STD_COLOR][BG];
}
}
}
}
/* -- generic window processor used by dialog box controls -- */
static int ControlProc(DFWINDOW wnd,DFMESSAGE msg,PARAM p1,PARAM p2)
{
DBOX *db;
if (wnd == NULL)
return FALSE;
db = GetParent(wnd) ? GetParent(wnd)->extension : NULL;
switch (msg) {
case CREATE_WINDOW:
CtlCreateWindowMsg(wnd);
break;
case KEYBOARD:
if (CtlKeyboardMsg(wnd, p1, p2))
return TRUE;
break;
case PAINT:
FixColors(wnd);
if (GetClass(wnd) == EDITBOX ||
GetClass(wnd) == LISTBOX ||
GetClass(wnd) == TEXTBOX)
SetScrollBars(wnd);
break;
case BORDER:
FixColors(wnd);
if (GetClass(wnd) == EDITBOX) {
DFWINDOW oldFocus = inFocus;
inFocus = NULL;
DefaultWndProc(wnd, msg, p1, p2);
inFocus = oldFocus;
return TRUE;
}
break;
case SETFOCUS: {
DFWINDOW pwnd = GetParent(wnd);
if (p1)
{
DefaultWndProc(wnd, msg, p1, p2);
if (pwnd != NULL)
{
pwnd->dfocus = wnd;
DfSendMessage(pwnd, DFM_COMMAND,
inFocusCommand(db), ENTERFOCUS);
}
return TRUE;
}
else
DfSendMessage(pwnd, DFM_COMMAND,
inFocusCommand(db), LEAVEFOCUS);
break;
}
case CLOSE_WINDOW:
CtlCloseWindowMsg(wnd);
break;
default:
break;
}
return DefaultWndProc(wnd, msg, p1, p2);
}
/* ---- change the focus to the first control --- */
static void FirstFocus(DBOX *db)
{
CTLWINDOW *ct = db->ctl;
if (ct != NULL)
{
while (ct->class == TEXT || ct->class == BOX) {
ct++;
if (ct->class == 0)
return;
}
DfSendMessage(ct->wnd, SETFOCUS, TRUE, 0);
}
}
/* ---- change the focus to the next control --- */
static void NextFocus(DBOX *db)
{
CTLWINDOW *ct = WindowControl(db, inFocus);
int looped = 0;
if (ct != NULL)
{
do
{
ct++;
if (ct->class == 0)
{
if (looped)
return;
looped++;
ct = db->ctl;
}
} while (ct->class == TEXT || ct->class == BOX);
DfSendMessage(ct->wnd, SETFOCUS, TRUE, 0);
}
}
/* ---- change the focus to the previous control --- */
static void PrevFocus(DBOX *db)
{
CTLWINDOW *ct = WindowControl(db, inFocus);
int looped = 0;
if (ct != NULL)
{
do
{
if (ct == db->ctl)
{
if (looped)
return;
looped++;
while (ct->class)
ct++;
}
--ct;
} while (ct->class == TEXT || ct->class == BOX);
DfSendMessage(ct->wnd, SETFOCUS, TRUE, 0);
}
}
void SetFocusCursor(DFWINDOW wnd)
{
if (wnd == inFocus)
{
DfSendMessage(NULL, SHOW_CURSOR, 0, 0);
DfSendMessage(wnd, KEYBOARD_CURSOR, 1, 0);
}
}
/* EOF */