/*------------------------------------------------------------------------------

-- SOURCE FILE: Presentation.c - Contains all the OSI "presentation layer"

-- functions for the program.

--

-- PROGRAM: Dean and the Rockets' Wireless Protocol Testing and Evaluation

-- Facilitator

--

-- FUNCTIONS:

-- VOID UpdateDisplayBuf(HWND hWnd, CHAR cCharacter);

-- VOID HorizontalTab(HWND hWnd);

-- VOID FormFeed(HWND hWnd);

-- VOID MoveCursor(HWND hWnd, INT cxCoord, INT cyCoord,

-- BOOL bScroll);

-- VOID ClearLine(HWND hWnd, UINT cxCoord, UINT cyCoord,

-- INT iDirection);

-- VOID ClearScreen(HWND hWnd, UINT cxCoord, UINT cyCoord,

-- INT iDirection);

-- VOID ScrollDown(HWND hWnd);

-- VOID ScrollUp(HWND hWnd);

-- VOID SetScrollRegion(HWND hWnd, INT cyTop, INT cyBottom);

-- VOID DisplayFrameInfo(HWND hWnd, FRAME frame);

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: November 4, 2010 - ProcessPacket, EchoTag

-- November 7, 2010 - Removed a number of unecessary functions.

-- December 2, 2010 - Removed 2 more unecessary functions.

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- NOTES:

-- Contains presentation level functions for the program.

-- These are the functions that process the characters both typed and received

-- into meaningful data.

------------------------------------------------------------------------------*/

#include "Presentation.h"

/*------------------------------------------------------------------------------

-- FUNCTION: UpdateDisplayBuf

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID UpdateDisplayBuf(HWND hWnd, CHAR cCharacter)

-- hWnd - the handle to the window

-- cCharacter - the character to add to the buffer

--

-- RETURNS: VOID.

--

-- NOTES:

-- Adds cCharacter to the display buffer.

------------------------------------------------------------------------------*/

VOID UpdateDisplayBuf(HWND hWnd, CHAR cCharacter) {

PWNDDATA pwd = NULL;

CHAR a[2] = {0};

HDC hdc = {0};

CHARINFO ci = {0};

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

a[0] = cCharacter;

CHARACTER(X, Y).character = cCharacter;

CHARACTER(X, Y).fgColor = CUR_FG_COLOR;

CHARACTER(X, Y).bgColor = CUR_BG_COLOR;

CHARACTER(X, Y).style = CUR_STYLE;

if (X >= CHARS_PER_LINE - 1) {

if (pwd->wordWrap == FALSE) {

return;

}

X = 0;

if (Y < LINES_PER_SCRN - 1) {

Y++;

} else {

ScrollDown(hWnd);

}

} else {

X++;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: DisplayFrameInfo

--

-- DATE: Dec 2, 2010

--

-- REVISIONS:

--

-- DESIGNER: Daniel Wright

--

-- PROGRAMMER: Daniel Wright

--

-- INTERFACE: DisplayFrameInfo(HWND hWnd, FRAME frame)

-- hWnd - a handle to the window

-- frame - frame to display information about

--

-- RETURNS: VOID.

--

-- NOTES: Uses GetOpenFileName to get the name of the file to be

-- transmitted and opens it.

------------------------------------------------------------------------------*/

VOID DisplayFrameInfo(HWND hWnd, FRAME frame){

PWNDDATA pwd = NULL;

int a ;

CHAR* b = (CHAR*)malloc(sizeof(CHAR)*4);

CHAR* c = (CHAR*)malloc(sizeof(CHAR));

int i = 0;

int j;

SetScrollRegion(hWnd,2,LINES_PER_SCRN);

ScrollUp(hWnd);

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

a= pwd->NumOfFrames;

sprintf(b, "%04x", frame.length);

sprintf(c, "%02x", frame.crc);

MoveCursor( hWnd, 3, 2, FALSE);

for(i = 0; i < 3; i++){

j=(a)%(10);

a /=10;

UpdateDisplayBuf(hWnd, j+48);

X -=2;

}

MoveCursor( hWnd, 12, 2, FALSE);

for(i = 0; i < 4; i++)

UpdateDisplayBuf(hWnd, b[i]);

MoveCursor(hWnd, 29, 2, FALSE);

for(i = 0; i < 3; i++){

UpdateDisplayBuf(hWnd, c[i]);

}

InvalidateRect(hWnd,NULL,FALSE);

}

/*------------------------------------------------------------------------------

-- FUNCTION: HorizontalTab

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID HorizontalTab(HWND hWnd)

-- hWnd - the handle to the window

--

-- RETURNS: VOID.

--

-- NOTES:

-- Moves the cursor to the next tab on the line.

------------------------------------------------------------------------------*/

VOID HorizontalTab(HWND hWnd) {

PWNDDATA pwd = NULL;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

if (X < CHARS_PER_LINE - TAB_LENGTH) {

X += TAB_LENGTH - X % TAB_LENGTH;

} else {

X = CHARS_PER_LINE - 1;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: FormFeed

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID FormFeed(HWND hWnd)

-- hWnd - the handle to the window

--

-- RETURNS: VOID.

--

-- NOTES:

-- Clears the screen and moves the cursor to 1, 1 (0, 0 according

-- to the display buffer).

------------------------------------------------------------------------------*/

VOID FormFeed(HWND hWnd) {

PWNDDATA pwd = NULL;

UINT i = 0;

UINT j = 0;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

for (i = 0; i < LINES_PER_SCRN; i++) {

for (j = 0; j < CHARS_PER_LINE; j++) {

CHARACTER(j, i).character = ' ';

CHARACTER(j, i).bgColor = CUR_BG_COLOR;

CHARACTER(j, i).style = 0;

}

}

X = 0;

Y = 0;

}

/*------------------------------------------------------------------------------

-- FUNCTION: MoveCursor

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID MoveCursor(HWND hWnd, UINT cxCoord, UINT cyCoord,

-- BOOL bScroll)

-- hWnd - the handle to the window

-- cxCoord - the x coordinate to move the cursor to

-- (1,1) origin

-- cyCoord - the y coordinate to move the cursor to

-- (1,1) origin

-- bScroll - whether or not to scroll when the

-- y coordinate is beyond the bounds of

-- screen

--

-- RETURNS: VOID.

--

-- NOTES:

-- Moves the cursor to the specified position. The position passed

-- in the arguments is based screen coordinates(1,1) origin).

-- If bScroll is true, then the screen will scroll when the top

-- of bottom lines of the window are reached.

------------------------------------------------------------------------------*/

VOID MoveCursor(HWND hWnd, INT cxCoord, INT cyCoord, BOOL bScroll) {

PWNDDATA pwd = NULL;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

if (cxCoord < 1) {

X = 0;

} else if (cxCoord > CHARS_PER_LINE) {

X = CHARS_PER_LINE - 1;

} else {

X = --cxCoord;

}

if (cyCoord < WINDOW_TOP + 1) {

Y = WINDOW_TOP;

if (bScroll) {

ScrollUp(hWnd);

}

} else if (cyCoord > WINDOW_BOTTOM + 1) {

Y = WINDOW_BOTTOM;

if (bScroll) {

ScrollDown(hWnd);

}

} else {

Y = --cyCoord;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: ClearLine

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID ClearLine(HWND hWnd, UINT cxCoord, UINT cyCoord,

-- INT iDirection)

-- hWnd - the handle to the window

-- cxCoord - the row of the first

-- character to clear - (0,0) origin

-- cyCoord - the line of the first

-- character to clear - (0,0) origin

-- iDirection - the direction (left or right) to clear

-- the line

--

-- RETURNS: VOID.

--

-- NOTES:

-- Clears a line in the direction specified by iDirection (left or

-- right). The character under the cursor will be cleared as well.

-- Please note that cxCoord and cyCoord use a (0,0) origin.

------------------------------------------------------------------------------*/

VOID ClearLine(HWND hWnd, UINT cxCoord, UINT cyCoord, INT iDirection) {

PWNDDATA pwd = NULL;

UINT i = 0;

UINT j = 0;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

i = cyCoord;

j = cxCoord;

while (j < CHARS_PER_LINE && j >= 0) {

CHARACTER(j, i).character = ' ';

CHARACTER(j, i).bgColor = CUR_BG_COLOR;

CHARACTER(j, i).style = 0;

j += iDirection;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: ClearScreen

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID ClearScreen(HWND hWnd, UINT cxCoord, UINT cyCoord,

-- INT iDirection)

-- hWnd - the handle to the window

-- cxCoord - the row of the first

-- character to clear - (0,0) origin

-- cyCoord - the line of the first

-- character to clear - (0,0) origin

-- iDirection - the direction (up or down) to clear

-- the screen

--

-- RETURNS: VOID.

--

-- NOTES:

-- Clears the screen in the direction specified by iDirection (all

-- preceding characters, or all following characters). The

-- character under the cursor will be cleared as well. Please note

-- that cxCoord and cyCoord use a (0,0) origin.

------------------------------------------------------------------------------*/

VOID ClearScreen(HWND hWnd, UINT cxCoord, UINT cyCoord, INT iDirection) {

PWNDDATA pwd = NULL;

UINT i = 0;

UINT j = 0;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

ClearLine(hWnd, cxCoord, cyCoord, iDirection);

i = cyCoord + iDirection;

while (i < LINES_PER_SCRN && i >= 0) {

for (j = 0; j < CHARS_PER_LINE; j++) {

CHARACTER(j, i).character = ' ';

CHARACTER(j, i).bgColor = CUR_BG_COLOR;

CHARACTER(j, i).style = 0;

}

i += iDirection;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: ScrollDown

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID ScrollDown(HWND hWnd)

-- hWnd - the handle to the window

--

-- RETURNS: VOID.

--

-- NOTES:

-- "Scrolls down" one line. It moves every line on the screen up

-- one position, deleting the top line, and creating a new, blank

-- bottom line.

------------------------------------------------------------------------------*/

VOID ScrollDown(HWND hWnd) {

PWNDDATA pwd = NULL;

PLINE pNewLine = NULL;

INT i = 0;

INT j = 0;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

pNewLine = (PLINE) malloc(sizeof(LINE));

free(ROW(WINDOW_TOP));

for (i = WINDOW_TOP; i < WINDOW_BOTTOM; i++) {

ROW(i) = ROW(i + 1);

}

ROW(i) = pNewLine;

for (j = 0; j < CHARS_PER_LINE; j++) {

CHARACTER(j, i).character = ' ';

CHARACTER(j, i).bgColor = CUR_BG_COLOR;

CHARACTER(j, i).style = 0;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: ScrollUp

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID ScrollUp(HWND hWnd)

-- hWnd - the handle to the window

--

-- RETURNS: VOID.

--

-- NOTES:

-- "Scrolls up" one line. It moves every line on the screen down

-- one position, deleting the bottom line, and creating a new,

-- blank top line.

------------------------------------------------------------------------------*/

VOID ScrollUp(HWND hWnd) {

PWNDDATA pwd = NULL;

PLINE pNewLine = NULL;

INT i = 0;

INT j = 0;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

pNewLine = (PLINE) malloc(sizeof(LINE));

free(ROW(WINDOW_BOTTOM));

for (i = WINDOW_BOTTOM; i > WINDOW_TOP; i--) {

ROW(i) = ROW(i - 1);

}

ROW(i) = pNewLine;

for (j = 0; j < CHARS_PER_LINE; j++) {

CHARACTER(j, i).character = ' ';

CHARACTER(j, i).bgColor = CUR_BG_COLOR;

CHARACTER(j, i).style = 0;

}

}

/*------------------------------------------------------------------------------

-- FUNCTION: SetScrollRegion

--

-- DATE: Oct 19, 2010

--

-- REVISIONS: (Date and Description)

--

-- DESIGNER: Dean Morin

--

-- PROGRAMMER: Dean Morin

--

-- INTERFACE: VOID SetScrollRegion(HWND hWnd, INT cyTop, INT cyBottom)

-- hWnd - the handle to the window

-- cyTop - the top line of the new scroll range

-- cyBottom - the bottom line of the new scroll range

--

-- RETURNS: VOID.

--

-- NOTES:

-- Sets the top and bottom lines for the scrollable region. This

-- allows the appearance of scrolling for one section of lines,

-- whereas the other lines will remain motionless.

------------------------------------------------------------------------------*/

VOID SetScrollRegion(HWND hWnd, INT cyTop, INT cyBottom) {

PWNDDATA pwd = NULL;

pwd = (PWNDDATA) GetWindowLongPtr(hWnd, 0);

MoveCursor(hWnd, 1, cyTop, FALSE);

WINDOW_TOP = --cyTop;

WINDOW_BOTTOM = --cyBottom;

}