?? edit.c
字號:
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
NumChars = GUI__GetNumChars(pText);
Offset = (pObj->EditMode == GUI_EDIT_MODE_INSERT) ? 0 : 1;
if (CursorPos < 0) {
CursorPos = 0;
}
if (CursorPos > NumChars) {
CursorPos = NumChars;
}
if (CursorPos > (pObj->MaxLen - Offset)) {
CursorPos = pObj->MaxLen - Offset;
}
if (pObj->CursorPos != CursorPos) {
pObj->CursorPos = CursorPos;
}
pObj->SelSize = 0;
}
}
/*********************************************************************
*
* _OnTouch
*/
static void _OnTouch(EDIT_Handle hObj, EDIT_Obj* pObj, WM_MESSAGE*pMsg) {
const GUI_PID_STATE* pState = (const GUI_PID_STATE*)pMsg->Data.p;
GUI_USE_PARA(pObj);
if (pMsg->Data.p) { /* Something happened in our area (pressed or released) */
static int StartPress = 0; //houhh 20061023...
if (pState->Pressed) {
GUI_DEBUG_LOG1("EDIT__Callback(WM_TOUCH, Pressed, Handle %d)\n",1);
EDIT_SetCursorAtPixel(hObj, pState->x);
StartPress = pObj->CursorPos; //houhh 20061023...
} else {
GUI_DEBUG_LOG1("EDIT__Callback(WM_TOUCH, Released, Handle %d)\n",1);
}
} else {
GUI_DEBUG_LOG1("_EDIT_Callback(WM_TOUCH, Moved out, Handle %d)\n",1);
}
}
/*********************************************************************
*
* EDIT__Callback
*/
static void EDIT__Callback (WM_MESSAGE * pMsg) {
int IsEnabled;
EDIT_Handle hObj = (EDIT_Handle) pMsg->hWin;
EDIT_Obj* pObj = (EDIT_Obj*) GUI_ALLOC_h2p(hObj);
IsEnabled = WM__IsEnabled(hObj);
/* Let widget handle the standard messages */
if (WIDGET_HandleActive(hObj, pMsg) == 0) {
return;
}
switch (pMsg->MsgId) {
case WM_TOUCH:
_OnTouch(hObj, pObj, pMsg);
break;
case WM_PAINT:
GUI_DEBUG_LOG("EDIT: _Callback(WM_PAINT)\n");
_Paint(pObj, hObj);
return;
case WM_DELETE:
GUI_DEBUG_LOG("EDIT: _Callback(WM_DELETE)\n");
_Delete(pObj);
break; /* No return here ... WM_DefaultProc needs to be called */
case WM_KEY:
if (IsEnabled) {
if ( ((const WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt >0) {
int Key = ((const WM_KEY_INFO*)(pMsg->Data.p))->Key;
switch (Key) {
case GUI_KEY_TAB:
break; /* Send to parent by not doing anything */
default:
EDIT_AddKey(hObj, Key);
return;
}
}
}
break;
}
WM_DefaultProc(pMsg);
}
/*********************************************************************
*
* Exported routines: Create
*
**********************************************************************
*/
/*********************************************************************
*
* EDIT_CreateEx
*/
EDIT_Handle EDIT_CreateEx(int x0, int y0, int xsize, int ysize, WM_HWIN hParent, int WinFlags, int ExFlags,
int Id, int MaxLen)
{
EDIT_Handle hObj;
GUI_USE_PARA(ExFlags);
/* Alloc memory for obj */
WinFlags |= WM_CF_LATE_CLIP; /* Always use late clipping since widget is optimized for it. */
hObj = WM_CreateWindowAsChild(x0, y0, xsize, ysize, hParent, WM_CF_SHOW | WinFlags, EDIT__Callback,
sizeof(EDIT_Obj) - sizeof(WM_Obj));
if (hObj) {
EDIT_Obj* pObj;
WM_LOCK();
pObj = (EDIT_Obj*)GUI_ALLOC_h2p(hObj);
/* init widget specific variables */
WIDGET__Init(&pObj->Widget, Id, WIDGET_STATE_FOCUSSABLE);
/* init member variables */
INIT_ID(pObj);
pObj->Props = EDIT__DefaultProps;
pObj->XSizeCursor = 1;
pObj->MaxLen = (MaxLen == 0) ? 8 : MaxLen;
pObj->BufferSize = 0;
pObj->hpText = 0;
if (_IncrementBuffer(pObj, pObj->MaxLen + 1) == 0) {
GUI_DEBUG_ERROROUT("EDIT_Create failed to alloc buffer");
EDIT_Delete(hObj);
hObj = 0;
}
WM_UNLOCK();
}
return hObj;
}
/*********************************************************************
*
* Exported routines: Various methods
*
**********************************************************************
*/
/*********************************************************************
*
* EDIT_AddKey
*/
void EDIT_AddKey(EDIT_Handle hObj, int Key) {
if (hObj) {
EDIT_Obj* pObj;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj) {
if (pObj->pfAddKeyEx) {
pObj->pfAddKeyEx(hObj, Key);
} else {
switch (Key) {
case GUI_KEY_UP:
if (pObj->hpText) {
char* pText;
U16 Char;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
pText += GUI_UC__NumChars2NumBytes(pText, pObj->CursorPos);
Char = GUI_UC_GetCharCode(pText);
if (Char < 0x7f) {
*pText = Char + 1;
WM_NotifyParent(hObj, WM_NOTIFICATION_VALUE_CHANGED);
}
}
break;
case GUI_KEY_DOWN:
if (pObj->hpText) {
char* pText;
U16 Char;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
pText += GUI_UC__NumChars2NumBytes(pText, pObj->CursorPos);
Char = GUI_UC_GetCharCode(pText);
if (Char > 0x20) {
*pText = Char - 1;
WM_NotifyParent(hObj, WM_NOTIFICATION_VALUE_CHANGED);
}
}
break;
case GUI_KEY_RIGHT:
EDIT__SetCursorPos(pObj, pObj->CursorPos + 1);
break;
case GUI_KEY_LEFT:
EDIT__SetCursorPos(pObj, pObj->CursorPos - 1);
break;
case GUI_KEY_BACKSPACE:
EDIT__SetCursorPos(pObj, pObj->CursorPos - 1);
_DeleteChar(hObj, pObj);
break;
case GUI_KEY_DELETE:
_DeleteChar(hObj, pObj);
break;
case GUI_KEY_INSERT:
if (pObj->EditMode == GUI_EDIT_MODE_OVERWRITE) {
pObj->EditMode = GUI_EDIT_MODE_INSERT;
} else {
pObj->EditMode = GUI_EDIT_MODE_OVERWRITE;
EDIT__SetCursorPos(pObj, pObj->CursorPos);
}
break;
case GUI_KEY_ENTER:
case GUI_KEY_ESCAPE:
break;
default:
if (Key >= 0x20) {
if (pObj->EditMode != GUI_EDIT_MODE_INSERT) {
_DeleteChar(hObj, pObj);
}
if (_InsertChar(hObj, pObj, Key)) {
EDIT__SetCursorPos(pObj, pObj->CursorPos + 1);
}
}
}
}
EDIT_Invalidate(hObj);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* EDIT_SetFont
*/
void EDIT_SetFont(EDIT_Handle hObj, const GUI_FONT GUI_UNI_PTR * pfont) {
EDIT_Obj* pObj;
if (hObj == 0)
return;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj) {
pObj->Props.pFont = pfont;
EDIT_Invalidate(hObj);
}
WM_UNLOCK();
}
/*********************************************************************
*
* EDIT_SetBkColor
*/
void EDIT_SetBkColor(EDIT_Handle hObj, unsigned int Index, GUI_COLOR color) {
EDIT_Obj* pObj;
if (hObj == 0)
return;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj) {
if (Index < GUI_COUNTOF(pObj->Props.aBkColor)) {
pObj->Props.aBkColor[Index] = color;
EDIT_Invalidate(hObj);
}
}
WM_UNLOCK();
}
/*********************************************************************
*
* EDIT_SetTextColor
*/
void EDIT_SetTextColor(EDIT_Handle hObj, unsigned int Index, GUI_COLOR color) {
EDIT_Obj* pObj;
if (hObj == 0)
return;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj) {
if (Index < GUI_COUNTOF(pObj->Props.aTextColor)) {
pObj->Props.aTextColor[Index] = color;
EDIT_Invalidate(hObj);
}
}
WM_UNLOCK();
}
/*********************************************************************
*
* EDIT_SetText
*/
void EDIT_SetText(EDIT_Handle hObj, const char* s) {
if (hObj) {
EDIT_Obj* pObj;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (s) {
int NumBytesNew, NumBytesOld = 0;
int NumCharsNew;
if (pObj->hpText) {
char* pText;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
NumBytesOld = strlen(pText) + 1;
}
NumCharsNew = GUI__GetNumChars(s);
if (NumCharsNew > pObj->MaxLen) {
NumCharsNew = pObj->MaxLen;
}
NumBytesNew = GUI_UC__NumChars2NumBytes(s, NumCharsNew) + 1;
if (_IsSpaceInBuffer(pObj, NumBytesNew - NumBytesOld)) {
char* pText;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
memcpy(pText, s, NumBytesNew);
pObj->CursorPos = NumBytesNew - 1;
if (pObj->CursorPos == pObj->MaxLen) {
if (pObj->EditMode == GUI_EDIT_MODE_OVERWRITE) {
pObj->CursorPos--;
}
}
}
} else {
GUI_ALLOC_FreePtr(&pObj->hpText);
pObj->BufferSize = 0;
pObj->CursorPos = 0;
}
EDIT_Invalidate(hObj);
WM_UNLOCK();
}
}
/*********************************************************************
*
* EDIT_GetText
*/
void EDIT_GetText(EDIT_Handle hObj, char* sDest, int MaxLen) {
if (sDest) {
*sDest = 0;
if (hObj) {
EDIT_Obj* pObj;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj->hpText) {
char* pText;
int NumChars, NumBytes;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
NumChars = GUI__GetNumChars(pText);
if (NumChars > MaxLen) {
NumChars = MaxLen;
}
NumBytes = GUI_UC__NumChars2NumBytes(pText, NumChars);
memcpy(sDest, pText, NumBytes);
*(sDest + NumBytes) = 0;
}
WM_UNLOCK();
}
}
}
/*********************************************************************
*
* EDIT_GetValue
*/
I32 EDIT_GetValue(EDIT_Handle hObj) {
EDIT_Obj* pObj;
I32 r = 0;
if (hObj) {
WM_LOCK();
pObj = EDIT_H2P(hObj);
r = pObj->CurrentValue;
WM_UNLOCK();
}
return r;
}
/*********************************************************************
*
* EDIT_SetValue
*/
void EDIT_SetValue(EDIT_Handle hObj, I32 Value) {
EDIT_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = EDIT_H2P(hObj);
/* Put in min/max range */
if (Value < pObj->Min) {
Value = pObj->Min;
}
if (Value > pObj->Max) {
Value = pObj->Max;
}
if (pObj->CurrentValue != (U32)Value) {
pObj->CurrentValue = Value;
if (pObj->pfUpdateBuffer) {
pObj->pfUpdateBuffer(hObj);
}
WM_InvalidateWindow(hObj);
WM_NotifyParent(hObj, WM_NOTIFICATION_VALUE_CHANGED);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* EDIT_SetMaxLen
*/
void EDIT_SetMaxLen(EDIT_Handle hObj, int MaxLen) {
if (hObj) {
EDIT_Obj* pObj;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (MaxLen != pObj->MaxLen) {
if (MaxLen < pObj->MaxLen) {
if (pObj->hpText) {
char* pText;
int NumChars;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
NumChars = GUI__GetNumChars(pText);
if (NumChars > MaxLen) {
int NumBytes;
NumBytes = GUI_UC__NumChars2NumBytes(pText, MaxLen);
*(pText + NumBytes) = 0;
}
}
}
_IncrementBuffer(pObj, MaxLen - pObj->BufferSize + 1);
pObj->MaxLen = MaxLen;
EDIT_Invalidate(hObj);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* EDIT_SetTextAlign
*/
void EDIT_SetTextAlign(EDIT_Handle hObj, int Align) {
EDIT_Obj* pObj;
if (hObj == 0)
return;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj) {
pObj->Props.Align = Align;
EDIT_Invalidate(hObj);
}
WM_UNLOCK();
}
#else /* avoid empty object files */
void Edit_C(void) {}
#endif
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