/**
* Set the cursor index, changing the color of that option and resetting the previously set option's color.
* <p>
* The option list starts at index 0.
* @param newCursorIndex
*/
void MenuView::setCursorIndex(uint16_t newCursorIndex) {
if (!buttons.empty()) {
buttons[getCursorIndex()]->setTextColor(getOptionTextColor());
}
this->cursorIndex = newCursorIndex;
if (!buttons.empty()) {
buttons[getCursorIndex()]->setTextColor(cursorTextColor);
}
}
void WeatherGraph::mouseReleaseEvent(QMouseEvent *event)
{
if (select_start)
{
int _start = qMin(select_start,select_stop);
select_stop = qMax(select_start,select_stop);
select_start = _start;
int f = getCursorIndex(select_start - POSITON_ORDONNE);
int l = getCursorIndex(select_stop - POSITON_ORDONNE);
firstIndex = f < 0 ? 0 : f;
lastIndex = l < 0 ? valueList.count() - 1 : l;
isZoomed = true;
select_start = 0;
select_stop = 0;
update();
}
}
/**
* Move the cursor to the previous option, wrapping around if on first.
* <p>
* If decrementing the cursor causes the cursor to fall outside of the visible window of options, also decrement the
* visible window of options.
*/
void MenuView::decrementCursor() {
long newCursorIndex = getCursorIndex() - 1;
if (newCursorIndex < 0) {
newCursorIndex = buttons.size() - 1;
}
setCursorIndex(static_cast<uint16_t>(newCursorIndex));
if (isCursorOutsideWindow()) {
decrementWindowTopIndex();
}
sizeButtons();
}
/**
* Delegates the key up event to the buttons that represent the options of the menu.
* <p>
* Internally:
* Enter - invokes the mouse up callback for the button that is the current cursor position
* Arrow Up - Move decrements the cursor
* Arrow Down - Increments the cursor
* @param event
*/
void MenuView::onKeyUp(SDL_Event event) {
// Enter activates the internal button
if (event.key.keysym.sym == SDLK_RETURN) {
buttons[getCursorIndex()]->onMouseUp(event);
// Decrement the Cursor on UP
} else if (event.key.keysym.sym == SDLK_UP) {
decrementCursor();
// Increment the Cursor on DOWN
} else if (event.key.keysym.sym == SDLK_DOWN) {
incrementCursor();
}
BaseView::onKeyUp(event);
}
void MenuView::addOption(std::string optionText, const std::function<void(SDL_Event)> &callBack) {
SDL_Rect rect = {0, 0, 0, 0};
auto button = new ButtonView(nullptr, rect);
button->setText(optionText);
button->setFontPath(FONT_CELTIC_HAND);
button->setFontSize(0);
button->setOnMouseUpCallback(callBack);
button->setColor(getOptionBackgroundColor());
button->setTextColor(getOptionTextColor());
button->setFontSize(getOptionFontSize());
buttons.push_back(button);
sizeButtons();
setCursorIndex(getCursorIndex());
}
int main ( int argc, char* argv[] ) {
DlList_T myList;
// List buffer to keep track of inserting or appending
DlList_T listBuff;
myList = dll_create();
if( myList == 0 ) {
fprintf( stderr, "Cannot create list!\n" );
return( 1 );
}
listBuff = dll_create();
if( listBuff == 0 ) {
fprintf( stderr, "Cannot create buffer!\n" );
return( 1 );
}
// number of bytes for getline
int nbytes = 80;
// Set up a string to read user input and file
char *str = NULL;
// Set up name for saving files to
char *saveFile = NULL;
// Read in a file
// Check to make sure there's arguments of the file to open
if( argc == 2 ) {
FILE* pFile = fopen(argv[1], "r");
if( !pFile ) {
perror("open failed");
fprintf( stderr, "could not read file '%s'\n", argv[1] );
return( 1 );
} else {
// The file has been opened. Go through
// and fill the doubly linked list
while( getline(&str, (size_t *) &nbytes, pFile) ) {
// Kill the new line
killNL(str);
// Set up space
char* toAdd = (char*)malloc(
( strlen(str) + 1 ) * sizeof(char) );
// Add the previous read in line to that space
strcpy( toAdd, str );
// Add it to the list
dll_append( myList, toAdd );
//Free 'str'
free( str );
str = NULL;
}
fclose( pFile );
}
} else {
printf( "no file supplied\n" );
}
// Keep track if we should stop or not
bool running = true;
// Keep track of changes
bool buffChange = false;
// Keeps track if we're appending or inserting
bool grabText = false;
char grabMode = 'a';
// Keeps track of the cursor movement
void* lastData = NULL;
while( running ) {
// Read in the next line
getline(&str, (size_t *) &nbytes, stdin);
// Kill new line
killNL(str);
// We're either appending or inserting
if( grabText ) {
if( strlen( str ) == 1 && str[0] == '.' ) {
// A single period was entered to stop the adding
// Set grabText to false
grabText = false;
// If the mode was set to append
if( grabMode == 'a' ) {
// We go through and pop all the elements
// off the buffer and append them to the list
int index = 0;
void* data = dll_pop( listBuff, 0 );
while( data != NULL ) {
dll_append( myList, data );
index++;
data = dll_pop( listBuff, 0 );
}
} else if ( grabMode == 'i' ) {
// We go through and pop all the elements
// off the buffer and insert them to the list
int index = 0;
// Set the insert index as the current
// pointer's index
int insertIndex = getCursorIndex( myList );
void* data = dll_pop( listBuff, 0 );
while( data != NULL ) {
dll_insert_at( myList, insertIndex, data );
index++;
insertIndex++;
data = dll_pop( listBuff, 0 );
}
}
} else {
// Set up space
char* toAdd = (char*)malloc(
( strlen(str) + 1 ) * sizeof(char) );
// Add the previous read in line to that space
strcpy( toAdd, str );
// Add it to the list
dll_append( listBuff, toAdd );
}
} else if( str[0] == 'a' ) {
grabText = true;
grabMode = 'a';
buffChange = true;
// Current line
} else if( str[0] == '.' ) {
// Print the index of the current line
if( str[1] == '=' ) {
printf( "%d\n", getCursorIndex( myList ) );
// Print the current line
} else {
printf( "%s\n", (char*)getCursorData( myList ) );
}
// Advance cursor to the next line
// String length of 1 means they hit enter
} else if( strlen(str) == 0 || str[0] == '+' ) {
// Try to advance the cursor
void* data = dll_next( myList );
// If the cursor didn't advance, notify the user
if( data == lastData ){
printf("?\n");
// Otherwise the cursor advanced, print the line
} else {
lastData = data;
printf( "%s\n", (char*)data );
}
// Advance the cursor to the previous line
} else if( str[0] == '-' ) {
// Try to advance the cursor
void* data = dll_prev( myList );
// If the cursor didn't advance, notify the user
if( data == lastData ){
printf("?\n");
// Otherwise the cursor advanced, print the line
} else {
lastData = data;
printf( "%s\n", (char*)data );
}
// Delete line
} else if( str[0] == 'd' ) {
if( dll_has_next( myList ) ){
int index = getCursorIndex( myList );
void* data = dll_pop( myList, index );
free( data );
buffChange = true;
}
} else if( str[0] == 'i' ) {
grabText = true;
grabMode = 'i';
buffChange = true;
// Last element
} else if( str[0] == '$' ) {
// For both "$=" and "$" it prints a "?" upon
// an empty list
int size = dll_size( myList );
if( size == 0 ) {
printf( "?\n" );
} else {
// If the command was "$=" just print
// the possition of the last element
if( str[1] == '=' ) {
printf( "%d\n", size );
// Otherwise move to the last position
// and print the last element
} else {
dll_move_to( myList, size - 1 );
void* data = dll_get( myList, size - 1 );
printf( "%s\n", (char*)data );
}
}
// Print
} else if( str[0] == 'p' ) {
printList( myList );
// Save
} else if( str[0] == 'w' ) {
char grab[(strlen(str) + 1)];
// Check if a file name has beens pecified
sscanf(str, "%*s %s", grab);
// If the length is greater than '1' we set
// it as the last acceptable saveFile
if( strlen(grab) > 0 ) {
if( saveFile != NULL ) {
free( saveFile );
}
saveFile = (char*)malloc(
( strlen(str) + 1 ) * sizeof(char) );
strcpy( saveFile, grab );
}
// Check if a quit flag has been given
bool quit = (str[1] == 'q');
if( saveFile == NULL || strlen(saveFile) <= 0 ) {
// We don't have an acceptable file name to check
continue;
}
// Open file to be saved
FILE* pFile = fopen(saveFile, "w");
if( !pFile ) {
perror("open failed: ");
} else {
printf( "file name: '%s'\n", saveFile );
// Go through each node of the doulby linked list
int index = 0;
void* data = dll_get( myList, index );
while( data != NULL ) {
// Write to file
fputs((char*)data, pFile);
fputs("\n", pFile);
index++;
data = dll_get( myList, index );
}
// Close
fclose( pFile );
// If we want to quit afterwards
if( quit ) {
running = false;
printf("\nBye\n");
}
// reset the buffer flag
buffChange = false;
}
// Soft quit
} else if ( str[0] == 'q' ) {
// If the buffer hasn't changed stop the program
if( !buffChange ) {
running = false;
printf( "\nBye\n" );
// Otherwise warn that there's been changes
} else {
printf( "? buffer dirty.\n" );
}
// Hard quit
} else if ( str[0] == 'Q' ) {
running = false;
printf( "\nBye\n" );
} else {
// Check if a number
char* end;
int checkNum = strtol( str, &end, 10 );
// If the conversion did not encounter a string
// We know the number is good
if( !*end ) {
// If we can move to the requested index
if( dll_move_to( myList, checkNum - 1 ) ) {
// Print that index
printf( "%s\n", (char*)getCursorData( myList ) );
} else {
printf( "?\n" );
}
}
}
// Free 'str'
free( str );
// Set 'str' to NULL
str = NULL;
}
// Destroy our list
dll_destroy( myList );
// Destroy the buffer
dll_destroy( listBuff );
}
/**
* Determine if the cursor is currently outside of the visible options.
* @return boolean
*/
bool MenuView::isCursorOutsideWindow() {
return getCursorIndex() < getWindowTopIndex() || getCursorIndex() >= getWindowTopIndex() + getWindowSize();
}
void WeatherGraph::paintEvent(QPaintEvent *event)
{
double graphx = POSITON_ORDONNE;
double largeur_graph = width() - POSITON_ORDONNE - 10;
double incx;
double minGraph = labelPrecison * (ceil(minValue / labelPrecison) - 1);
double maxGraph = labelPrecison * ceil(maxValue / labelPrecison);
QPainter painter(this);
// painter.setRenderHint(QPainter::Antialiasing, true);
painter.setPen(QPen(Qt::darkGreen, 0));
painter.drawLine(graphx, height() - 10, width() - 10, height() - 10);
painter.drawLine(graphx, 10, 40, height() - 10);
if (!valueList.isEmpty())
{
QDateTime firstDateDisplayed = dateList.at(firstIndex);
QDateTime lastDateDisplayed = dateList.at(lastIndex);
int largeur_temps = firstDateDisplayed.secsTo(lastDateDisplayed);
if (largeur_temps < 30 && !isZoomed) largeur_temps = 30;
double pps = largeur_graph / largeur_temps;
painter.setPen(QPen(Qt::darkGreen, 0, Qt::DotLine));
int d = maxGraph - minGraph;
int h = (height() - 20);
h /= d;
for (int i = 0 ; i < maxGraph - minGraph; i += labelPrecison)
{
int l = height() - 10 - i*h;
painter.drawLine(graphx, l, width() - 10, l);
}
painter.setPen(QPen(Qt::green, 0));
painter.drawText(5,15, valueFormat.arg(maxGraph));
painter.drawText(5,height() - 10, valueFormat.arg(minGraph));
QPoint p1 = QPoint(
graphx - 1, height() - (int)(
(valueList.first() - minGraph) / (maxGraph - minGraph) *
(height() - 20)
) - 10
);
QPoint p2;
QDateTime d1 = firstDateDisplayed;
QDateTime d2;
for (int i = firstIndex ; i <= lastIndex ; i++)
{
d2 = dateList.at(i);
incx = d1.secsTo(d2) * pps;
graphx += incx;
d1 = d2;
p2 = QPoint(
(int)graphx, height() - (int)(
(valueList.at(i) - minGraph) / (maxGraph - minGraph) *
(height() - 20)
) - 10
);
painter.drawLine(p1, p2);
p1 = p2;
}
painter.setPen(QPen(QColor(255,255,255,192)));
if (mouseOver)
{
int pos_graph = mousex - POSITON_ORDONNE;
int index = getCursorIndex(pos_graph);
if (index >= 0 && index < valueList.count())
{
QString temp = valueFormat.arg(valueList.at(index));
QString when = dateList.at(index).toString("hh:mm:ss");
QFontMetrics fm = painter.fontMetrics();
int w = fm.width(when);
int texty;
if (mousey - 2 > 2 * fm.height())
{
texty = mousey - 2;
}
else
{
texty = mousey + 2 * fm.height();
}
if (mousex + 2 + w < width())
{
painter.drawText(mousex + 2, texty, temp);
painter.drawText(mousex + 2, texty - fm.height(), when);
}
else
{
painter.drawText(mousex - 2 - fm.width(temp), texty, temp);
painter.drawText(mousex - 2 - fm.width(when), texty - fm.height(), when);
}
painter.drawLine(mousex, 10, mousex, height() - 10);
if (select_start)
{
select_stop = mousex;
}
}
else
{
mouseOver = false;
}
}
if (select_start)
{
painter.drawRect(qMin(select_start, select_stop), 10, qAbs(select_stop - select_start), height() - 20);
}
}
}