📄 listbox.lst
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}
} else { /* Mouse moved out */
Notification = WM_NOTIFICATION_MOVED_OUT;
}
WM_NotifyParent(hObj, Notification);
return 0; /* Message handled */
}
/*********************************************************************
*
* Callback
*/
static void _LISTBOX_Callback (WM_MESSAGE*pMsg) {
LISTBOX_Handle hObj = pMsg->hWin;
LISTBOX_Obj* pObj = LISTBOX_H2P(hObj);
WM_SCROLL_STATE ScrollState;
/* Let widget handle the standard messages */
if (WIDGET_HandleActive(hObj, pMsg) == 0) {
return;
}
switch (pMsg->MsgId) {
case WM_NOTIFY_PARENT:
switch (pMsg->Data.v) {
case WM_NOTIFICATION_VALUE_CHANGED:
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollState.v = ScrollState.v;
WM_InvalidateWindow(hObj);
break;
C51 COMPILER V8.05a LISTBOX 04/11/2008 14:19:36 PAGE 7
case WM_NOTIFICATION_SCROLLBAR_ADDED:
_SetScrollState(hObj);
break;
}
break;
case WM_PAINT:
_Paint(hObj);
break;
case WM_TOUCH:
if (_OnTouch(hObj, pObj, pMsg) == 0)
return;
break;
case WM_DELETE:
_FreeAttached(pObj);
break; /* No return here ... WM_DefaultProc needs to be called */
case WM_KEY:
if ( ((WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt >0) {
int Key = ((WM_KEY_INFO*)(pMsg->Data.p))->Key;
switch (Key) {
case GUI_KEY_TAB:
break; /* Send to parent by not doing anything */
default:
LISTBOX_AddKey(hObj, Key);
return;
}
}
break;
}
WM_DefaultProc(pMsg);
}
/*********************************************************************
*
* Exported routines: Create
*
**********************************************************************
*/
LISTBOX_Handle LISTBOX_CreateAsChild(
const GUI_ConstString* ppText,
WM_HWIN hWinParent,
int x0, int y0, int xsize, int ysize, int Flags)
{
LISTBOX_Handle hObj = WM_CreateWindowAsChild(x0, y0, xsize, ysize,
hWinParent, Flags, _LISTBOX_Callback,
sizeof(LISTBOX_Obj)-sizeof(WM_Obj));
if (hObj) {
LISTBOX_Obj* pObj = LISTBOX_H2P(hObj);
/* init widget specific variables */
WIDGET__Init(&pObj->Widget, WIDGET_STATE_FOCUSSABLE | WIDGET_STATE_ENABLED);
/* pObj->ppText = 0; */ /* Zero init not required */
pObj->pFont = _pDefaultFont;
pObj->aBackColor[0] = LISTBOX_BKCOLOR0_DEFAULT;
pObj->aBackColor[1] = LISTBOX_BKCOLOR1_DEFAULT;
pObj->aBackColor[2] = LISTBOX_BKCOLOR2_DEFAULT;
pObj->aTextColor[0] = LISTBOX_TEXTCOLOR0_DEFAULT;
pObj->aTextColor[1] = LISTBOX_TEXTCOLOR1_DEFAULT;
pObj->aTextColor[2] = LISTBOX_TEXTCOLOR2_DEFAULT;
if (hObj && ppText) {
LISTBOX_Obj* pObj = LISTBOX_H2P(hObj);
INIT_ID(pObj);
/* init member variables */
C51 COMPILER V8.05a LISTBOX 04/11/2008 14:19:36 PAGE 8
/* Check size */
if (!xsize) {
const GUI_FONT* pFontOld = GUI_SetFont(pObj->pFont);
int i;
for (i=0; *(ppText+i); i++) {
int Size = GUI_GetStringDistX(*(ppText+i));
if (Size>xsize)
xsize = Size;
}
GUI_SetFont(pFontOld);
}
/* Set non-zero attributes */
LISTBOX_SetText(hObj, ppText);
}
_CalcScrollParas(hObj);
}
return hObj;
}
LISTBOX_Handle LISTBOX_Create(
const GUI_ConstString* ppText,
int x0, int y0, int xsize, int ysize, int Flags)
{
return LISTBOX_CreateAsChild(ppText, WM_HWIN_NULL /*hWin*/, x0, y0, xsize, ysize, Flags);
}
LISTBOX_Handle LISTBOX_CreateIndirect(const GUI_WIDGET_CREATE_INFO* pCreateInfo, WM_HWIN hWinParent, int x
-0, int y0, WM_CALLBACK* cb) {
LISTBOX_Handle hThis;
GUI_USE_PARA(cb);
hThis = LISTBOX_CreateAsChild(0,
hWinParent,
pCreateInfo->x0 + x0,
pCreateInfo->y0 + y0,
pCreateInfo->xSize,
pCreateInfo->ySize,
pCreateInfo->Flags);
if (hThis) {
LISTBOX_Obj* pObj = LISTBOX_H2P(hThis);
INIT_ID(pObj);
pObj->Widget.Id = pCreateInfo->Id;
pObj->Widget.State = LISTBOX_STATE_INACTIVE;
}
return hThis;
}
/*********************************************************************
*
* Exported routines: Various methods
*
**********************************************************************
*/
void LISTBOX_AddKey(LISTBOX_Handle hObj, int Key) {
if (hObj) {
WM_LOCK();
switch (Key) {
case GUI_KEY_DOWN:
LISTBOX_IncSel(hObj);
break;
case GUI_KEY_UP:
LISTBOX_DecSel(hObj);
C51 COMPILER V8.05a LISTBOX 04/11/2008 14:19:36 PAGE 9
break;
default:
_SelectByKey(hObj, Key);
break;
}
WM_UNLOCK();
}
}
void LISTBOX_AddString(LISTBOX_Handle hObj, const char* s) {
int len;
WM_HMEM hNewItem, hNewBuffer;
WM_HMEM *pOldBuffer;
WM_HMEM *pNewBuffer;
char* sNewString;
LISTBOX_Obj* pObj;
if (hObj && s) {
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
len = strlen(s);
if ((hNewItem = WM_ALLOC(len +1)) ==0) {
GUI_DEBUG_ERROROUT("LISTBOX_AddString failed to alloc buffer");
} else {
/* Add the new item to the buffer */
if ((hNewBuffer = WM_ALLOC(sizeof(WM_HMEM) * (pObj->NumItems + 1))) == 0) {
GUI_DEBUG_ERROROUT("LISTBOX_AddString failed to alloc buffer");
WM_FREE(hNewItem);
} else {
pNewBuffer = WM_HMEM2Ptr(hNewBuffer);
sNewString = WM_HMEM2Ptr(hNewItem);
strcpy(sNewString, s);
/* Copy contents of handle buffer (if any) */
if (pObj->haHandle) {
pOldBuffer = WM_HMEM2Ptr(pObj->haHandle);
memcpy(pNewBuffer, pOldBuffer, pObj->NumItems * sizeof(WM_HMEM));
WM_FREE(pObj->haHandle);
}
*(pNewBuffer + pObj->NumItems) = hNewItem;
pObj->haHandle = hNewBuffer;
pObj->NumItems++;
}
}
LISTBOX_Invalidate(hObj);
WM_UNLOCK();
}
}
/*********************************************************************
*
* LISTBOX_GetNumItems
*/
int LISTBOX_GetNumItems(LISTBOX_Handle hObj) {
int r = 0;
LISTBOX_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
r = pObj->NumItems;
WM_UNLOCK();
}
return r;
C51 COMPILER V8.05a LISTBOX 04/11/2008 14:19:36 PAGE 10
}
void LISTBOX_SetText(LISTBOX_Handle hObj, const GUI_ConstString* ppText) {
int i;
const char* s;
if (hObj) {
WM_LOCK();
if (ppText) {
for (i = 0; (s = *(ppText+i)) != 0; i++) {
LISTBOX_AddString(hObj, s);
}
}
_CalcScrollParas(hObj);
LISTBOX_Invalidate(hObj);
WM_UNLOCK();
}
}
void LISTBOX_SetFont(LISTBOX_Handle hObj, const GUI_FONT* pfont) {
LISTBOX_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
pObj->pFont = pfont;
_CalcScrollParas(hObj);
LISTBOX_Invalidate(hObj);
WM_UNLOCK();
}
}
void LISTBOX_SetBackColor(LISTBOX_Handle hObj, int index, GUI_COLOR color) {
LISTBOX_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
pObj->aBackColor[index] = color;
LISTBOX_Invalidate(hObj);
WM_UNLOCK();
}
}
void LISTBOX_SetTextColor(LISTBOX_Handle hObj, int index, GUI_COLOR color) {
LISTBOX_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
pObj->aTextColor[index] = color;
LISTBOX_Invalidate(hObj);
WM_UNLOCK();
}
}
void LISTBOX_SetSel (LISTBOX_Handle hObj, int Sel) {
int NumItems, MaxSel;
LISTBOX_Obj* pObj;
if (hObj) {
WM_LOCK();
C51 COMPILER V8.05a LISTBOX 04/11/2008 14:19:36 PAGE 11
pObj = LISTBOX_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
NumItems = _GetNumItems(pObj);
MaxSel = NumItems ? NumItems-1 : 0;
if (Sel > MaxSel) {
Sel = MaxSel;
}
if (Sel != pObj->Sel) {
pObj->Sel = Sel;
LISTBOX_Invalidate(hObj);
WM_NotifyParent(hObj, WM_NOTIFICATION_SEL_CHANGED);
}
_CheckSel(hObj);
WM_UNLOCK();
}
}
void LISTBOX_IncSel (LISTBOX_Handle hObj) {
int Sel = LISTBOX_GetSel(hObj);
LISTBOX_SetSel(hObj, Sel+1);
}
void LISTBOX_DecSel (LISTBOX_Handle hObj) {
int Sel = LISTBOX_GetSel(hObj);
if (Sel)
Sel--;
LISTBOX_SetSel(hObj, Sel);
}
int LISTBOX_GetSel (LISTBOX_Handle hObj) {
int r = 0;
LISTBOX_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
r = pObj->Sel;
WM_UNLOCK();
}
return r;
}
void LISTBOX_SetDefaultFont(const GUI_FONT* pFont) {
_pDefaultFont = pFont;
}
const GUI_FONT* LISTBOX_GetDefaultFont(void) {
return _pDefaultFont;
}
#else /* Avoid problems with empty object modules */
662 void LISTBOX_C(void) {}
663 #endif
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
C51 COMPILER V8.05a LISTBOX 04/11/2008 14:19:36 PAGE 12
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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