コード例 #1
0
Tcl_Obj *
TkDebugCursor(
    Tk_Window tkwin,		/* The window in which the cursor will be used
				 * (not currently used). */
    char *name)			/* Name of the desired color. */
{
    TkCursor *cursorPtr;
    Tcl_HashEntry *hashPtr;
    Tcl_Obj *resultPtr, *objPtr;
    TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;

    if (!dispPtr->cursorInit) {
	CursorInit(dispPtr);
    }
    resultPtr = Tcl_NewObj();
    hashPtr = Tcl_FindHashEntry(&dispPtr->cursorNameTable, name);
    if (hashPtr != NULL) {
	cursorPtr = (TkCursor *) Tcl_GetHashValue(hashPtr);
	if (cursorPtr == NULL) {
	    Tcl_Panic("TkDebugCursor found empty hash table entry");
	}
	for ( ; (cursorPtr != NULL); cursorPtr = cursorPtr->nextPtr) {
	    objPtr = Tcl_NewObj();
	    Tcl_ListObjAppendElement(NULL, objPtr,
		    Tcl_NewIntObj(cursorPtr->resourceRefCount));
	    Tcl_ListObjAppendElement(NULL, objPtr,
		    Tcl_NewIntObj(cursorPtr->objRefCount));
	    Tcl_ListObjAppendElement(NULL, resultPtr, objPtr);
	}
    }
    return resultPtr;
}
コード例 #2
0
ファイル: st_gui_main.c プロジェクト: leitek/sw
/**
  * @brief  Main program, the touch screen example.
  * @param  None
  * @retval None
  */
int main(void)
{
    LTK_SysTick_Init();
    LTK_COM_Init();
    USART_Cmd(USART1, ENABLE);
    LTK_LCD_Init();
    CursorInit(GL_NULL);
    Show_HomeScreen();
    CursorShow(200, 20);

    while(1) 
    {
    }                                               
}
コード例 #3
0
Tk_Cursor
Tk_GetCursorFromData(
    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
    Tk_Window tkwin,		/* Window in which cursor will be used. */
    CONST char *source,		/* Bitmap data for cursor shape. */
    CONST char *mask,		/* Bitmap data for cursor mask. */
    int width, int height,	/* Dimensions of cursor. */
    int xHot, int yHot,		/* Location of hot-spot in cursor. */
    Tk_Uid fg,			/* Foreground color for cursor. */
    Tk_Uid bg)			/* Background color for cursor. */
{
    DataKey dataKey;
    Tcl_HashEntry *dataHashPtr;
    register TkCursor *cursorPtr;
    int isNew;
    XColor fgColor, bgColor;
    TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;

    if (!dispPtr->cursorInit) {
	CursorInit(dispPtr);
    }

    dataKey.source = source;
    dataKey.mask = mask;
    dataKey.width = width;
    dataKey.height = height;
    dataKey.xHot = xHot;
    dataKey.yHot = yHot;
    dataKey.fg = fg;
    dataKey.bg = bg;
    dataKey.display = Tk_Display(tkwin);
    dataHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorDataTable,
            (char *) &dataKey, &isNew);
    if (!isNew) {
	cursorPtr = (TkCursor *) Tcl_GetHashValue(dataHashPtr);
	cursorPtr->resourceRefCount++;
	return cursorPtr->cursor;
    }

    /*
     * No suitable cursor exists yet. Make one using the data available and
     * add it to the database.
     */

    if (TkParseColor(dataKey.display, Tk_Colormap(tkwin), fg, &fgColor) == 0) {
	Tcl_AppendResult(interp, "invalid color name \"", fg, "\"", NULL);
	goto error;
    }
    if (TkParseColor(dataKey.display, Tk_Colormap(tkwin), bg, &bgColor) == 0) {
	Tcl_AppendResult(interp, "invalid color name \"", bg, "\"", NULL);
	goto error;
    }

    cursorPtr = TkCreateCursorFromData(tkwin, source, mask, width, height,
	    xHot, yHot, fgColor, bgColor);

    if (cursorPtr == NULL) {
	goto error;
    }

    cursorPtr->resourceRefCount = 1;
    cursorPtr->otherTable = &dispPtr->cursorDataTable;
    cursorPtr->hashPtr = dataHashPtr;
    cursorPtr->objRefCount = 0;
    cursorPtr->idHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorIdTable,
            (char *) cursorPtr->cursor, &isNew);
    cursorPtr->nextPtr = NULL;

    if (!isNew) {
	Tcl_Panic("cursor already registered in Tk_GetCursorFromData");
    }
    Tcl_SetHashValue(dataHashPtr, cursorPtr);
    Tcl_SetHashValue(cursorPtr->idHashPtr, cursorPtr);
    return cursorPtr->cursor;

  error:
    Tcl_DeleteHashEntry(dataHashPtr);
    return None;
}
コード例 #4
0
static TkCursor *
TkcGetCursor(
    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
    Tk_Window tkwin,		/* Window in which cursor will be used. */
    CONST char *string)		/* Description of cursor. See manual entry for
				 * details on legal syntax. */
{
    Tcl_HashEntry *nameHashPtr;
    register TkCursor *cursorPtr;
    TkCursor *existingCursorPtr = NULL;
    int isNew;
    TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;

    if (!dispPtr->cursorInit) {
	CursorInit(dispPtr);
    }

    nameHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorNameTable,
            string, &isNew);
    if (!isNew) {
	existingCursorPtr = (TkCursor *) Tcl_GetHashValue(nameHashPtr);
	for (cursorPtr = existingCursorPtr; cursorPtr != NULL;
		cursorPtr = cursorPtr->nextPtr) {
	    if (Tk_Display(tkwin) == cursorPtr->display) {
		cursorPtr->resourceRefCount++;
		return cursorPtr;
	    }
	}
    } else {
	existingCursorPtr = NULL;
    }

    cursorPtr = TkGetCursorByName(interp, tkwin, string);

    if (cursorPtr == NULL) {
	if (isNew) {
	    Tcl_DeleteHashEntry(nameHashPtr);
	}
	return NULL;
    }

    /*
     * Add information about this cursor to our database.
     */

    cursorPtr->display = Tk_Display(tkwin);
    cursorPtr->resourceRefCount = 1;
    cursorPtr->objRefCount = 0;
    cursorPtr->otherTable = &dispPtr->cursorNameTable;
    cursorPtr->hashPtr = nameHashPtr;
    cursorPtr->nextPtr = existingCursorPtr;
    cursorPtr->idHashPtr = Tcl_CreateHashEntry(&dispPtr->cursorIdTable,
            (char *) cursorPtr->cursor, &isNew);
    if (!isNew) {
	Tcl_Panic("cursor already registered in Tk_GetCursor");
    }
    Tcl_SetHashValue(nameHashPtr, cursorPtr);
    Tcl_SetHashValue(cursorPtr->idHashPtr, cursorPtr);

    return cursorPtr;
}