void ttyHandler(uv_stream_t* stream,ssize_t nread, const uv_buf_t* buf) {
std::cout<<"number to read "<<nread<<std::endl;
std::cout<<"content "<<buf->base<<std::endl;
printSelection();
}
int app( int argc, char** argv ) {
gengetopt_args_info options;
int err = cmdline_parser( argc, argv, &options );
if ( err != EXIT_SUCCESS ) {
return EXIT_FAILURE;
}
int state = 0;
bool running = true;
bool opengl = options.opengl_flag;
slop::SelectRectangle* selection = NULL;
Window window = None;
Window windowmemory = None;
std::string xdisplay;
if ( options.xdisplay_given ) {
xdisplay = options.xdisplay_arg;
} else {
// If we weren't specifically given a xdisplay, we try
// to parse it from environment variables
char* display = getenv( "DISPLAY" );
if ( display ) {
xdisplay = display;
} else {
fprintf( stderr, "Warning: Failed to parse environment variable: DISPLAY. Using \":0\" instead.\n" );
xdisplay = ":0";
}
}
int padding = options.padding_arg;
int borderSize = options.bordersize_arg;
int tolerance = options.tolerance_arg;
float r, g, b, a;
err = parseColor( options.color_arg, &r, &g, &b, &a );
if ( err != EXIT_SUCCESS ) {
fprintf( stderr, "Error parsing color %s\n", options.color_arg );
return EXIT_FAILURE;
}
float gracetime;
err = sscanf( options.gracetime_arg, "%f", &gracetime );
if ( err != 1 ) {
fprintf( stderr, "Error parsing %s as a float for gracetime!\n", options.gracetime_arg );
return EXIT_FAILURE;
}
bool highlight = options.highlight_flag;
bool keyboard = !options.nokeyboard_flag;
bool decorations = !options.nodecorations_flag;
bool themeon = (bool)options.theme_given;
std::string theme = options.theme_arg;
#ifdef OPENGL_ENABLED
bool shadergiven = (bool)options.shader_given;
#endif
std::string shader = options.shader_arg;
struct timespec start, time;
int xoffset = 0;
int yoffset = 0;
int cx = 0;
int cy = 0;
int xmem = 0;
int ymem = 0;
int wmem = 0;
int hmem = 0;
int minimumsize = options.min_arg;
int maximumsize = options.max_arg;
bool pressedMemory[4];
double pressedTime[4];
for ( int i=0;i<4;i++ ) {
pressedMemory[ i ] = false;
pressedTime[ i ] = 0;
}
std::string format = options.format_arg;
bool magenabled = options.magnify_flag;
#ifdef OPENGL_ENABLED
float magstrength = options.magstrength_arg;
if ( options.magpixels_arg < 0 ) {
fprintf( stderr, "Error: --magpixels < 0, it's an unsigned integer you twat. Stop trying to underflow me!\n" );
return EXIT_FAILURE;
}
unsigned int magpixels = (unsigned int)options.magpixels_arg;
#endif
cmdline_parser_free( &options );
#ifndef OPENGL_ENABLED
if ( opengl || themeon || magenabled ) {
throw std::runtime_error( "Slop wasn't compiled with OpenGL support, so themes, magnifications, and shaders are disabled! Try compiling it with the CMAKE_OPENGL_SUPPORT set to true." );
}
#else // OPENGL_ENABLED
if ( ( themeon || magenabled || shadergiven ) && !opengl ) {
throw std::runtime_error( "Slop needs --opengl enabled to use themes, shaders, or magnifications." );
}
#endif
// First we set up the x interface and grab the mouse,
// if we fail for either we exit immediately.
err = xengine->init( xdisplay.c_str() );
if ( err != EXIT_SUCCESS ) {
printSelection( format, true, 0, 0, 0, 0, None );
return EXIT_FAILURE;
}
if ( !slop::isSelectRectangleSupported() ) {
fprintf( stderr, "Error: Your X server doesn't support the XShape extension. There's nothing slop can do about this!\n" );
fprintf( stderr, " Try updating X and making sure you have XExtensions installed. (/usr/lib/libXext.so, /usr/include/X11/extensions/shape.h)\n" );
return EXIT_FAILURE;
}
err = xengine->grabCursor( slop::Cross, gracetime );
if ( err != EXIT_SUCCESS ) {
printSelection( format, true, 0, 0, 0, 0, None );
return EXIT_FAILURE;
}
if ( keyboard ) {
err = xengine->grabKeyboard();
if ( err ) {
fprintf( stderr, "Warning: Failed to grab the keyboard. This is non-fatal, keyboard presses might fall through to other applications.\n" );
}
}
current_utc_time( &start );
double deltatime = 0;
double curtime = double( start.tv_sec*1000000000L + start.tv_nsec )/1000000000.f;
while ( running ) {
current_utc_time( &time );
// "ticking" the xengine makes it process all queued events.
xengine->tick();
// If the user presses any key on the keyboard, exit the application.
// Make sure at least gracetime has passed before allowing canceling
double newtime = double( time.tv_sec*1000000000L + time.tv_nsec )/1000000000.f;
deltatime = newtime-curtime;
curtime = newtime;
double starttime = double( start.tv_sec*1000000000L + start.tv_nsec )/1000000000.f;
if ( curtime - starttime > gracetime ) {
if ( keyRepeat( XK_Up, curtime, 0.5, &pressedTime[ 0 ], &pressedMemory[ 0 ] ) ) {
yoffset -= 1;
}
if ( keyRepeat( XK_Down, curtime, 0.5, &pressedTime[ 1 ], &pressedMemory[ 1 ] ) ) {
yoffset += 1;
}
if ( keyRepeat( XK_Left, curtime, 0.5, &pressedTime[ 2 ], &pressedMemory[ 2 ] ) ) {
xoffset -= 1;
}
if ( keyRepeat( XK_Right, curtime, 0.5, &pressedTime[ 3 ], &pressedMemory[ 3 ] ) ) {
xoffset += 1;
}
// If we pressed enter we move the state onward.
if ( xengine->keyPressed( XK_Return ) ) {
// If we're highlight windows, just select the active window.
if ( state == 0 ) {
state = 1;
// If we're making a custom selection, select the custom selection.
} else if ( state == 2 ) {
state = 3;
}
}
// If we press any key other than the arrow keys or enter key, we shut down!
if ( !( xengine->keyPressed( XK_Up ) || xengine->keyPressed( XK_Down ) || xengine->keyPressed( XK_Left ) || xengine->keyPressed( XK_Right ) ) &&
!( xengine->keyPressed( XK_Return ) ) &&
( ( xengine->anyKeyPressed() && keyboard ) || xengine->mouseDown( 3 ) ) ) {
printSelection( format, true, 0, 0, 0, 0, None );
fprintf( stderr, "User pressed key. Canceled selection.\n" );
state = -1;
running = false;
}
}
// Our adorable little state manager will handle what state we're in.
switch ( state ) {
default: {
break;
}
case 0: {
// If xengine has found a window we're hovering over (or if it changed)
// create a rectangle around it so the user knows he/she can click on it.
// --but only if the user wants us to
if ( window != xengine->m_hoverWindow && tolerance > 0 ) {
slop::WindowRectangle t;
t.setGeometry( xengine->m_hoverWindow, decorations );
t.applyPadding( padding );
t.applyMinMaxSize( minimumsize, maximumsize );
// Make sure we only apply offsets to windows that we've forcibly removed decorations on.
if ( !selection ) {
#ifdef OPENGL_ENABLED
if ( opengl ) {
selection = new slop::GLSelectRectangle( t.m_x, t.m_y,
t.m_x + t.m_width,
t.m_y + t.m_height,
borderSize,
highlight,
r, g, b, a );
// Haha why is this so hard to cast?
((slop::GLSelectRectangle*)(selection))->setMagnifySettings( magenabled, magstrength, magpixels );
((slop::GLSelectRectangle*)(selection))->setTheme( themeon, theme );
((slop::GLSelectRectangle*)(selection))->setShader( shader );
} else {
#endif // OPENGL_ENABLED
selection = new slop::XSelectRectangle( t.m_x, t.m_y,
t.m_x + t.m_width,
t.m_y + t.m_height,
borderSize,
highlight,
r, g, b, a );
#ifdef OPENGL_ENABLED
}
#endif // OPENGL_ENABLED
} else {
selection->setGeo( t.m_x, t.m_y, t.m_x + t.m_width, t.m_y + t.m_height );
}
//window = xengine->m_hoverWindow;
// Since WindowRectangle can select different windows depending on click location...
window = t.getWindow();
}
if ( selection ) {
selection->update( deltatime );
}
// If the user clicked we move on to the next state.
if ( xengine->mouseDown( 1 ) ) {
state++;
}
break;
}
case 1: {
// Set the mouse position of where we clicked, used so that click tolerance doesn't affect the rectangle's position.
cx = xengine->m_mousex;
cy = xengine->m_mousey;
// Make sure we don't have un-seen applied offsets.
xoffset = 0;
yoffset = 0;
// Also remember where the original selection was
if ( selection ) {
xmem = selection->m_x;
ymem = selection->m_y;
wmem = selection->m_width;
hmem = selection->m_height;
} else {
xmem = cx;
ymem = cy;
}
state++;
break;
}
case 2: {
// It's possible that our selection doesn't exist still, lets make sure it actually gets created here.
if ( !selection ) {
int sx, sy, ex, ey;
constrain( cx, cy, xengine->m_mousex, xengine->m_mousey, padding, minimumsize, maximumsize, &sx, &sy, &ex, &ey );
#ifdef OPENGL_ENABLED
if ( opengl ) {
selection = new slop::GLSelectRectangle( sx, sy,
ex, ey,
borderSize,
highlight,
r, g, b, a );
// Haha why is this so hard to cast?
((slop::GLSelectRectangle*)(selection))->setMagnifySettings( magenabled, magstrength, magpixels );
((slop::GLSelectRectangle*)(selection))->setTheme( themeon, theme );
((slop::GLSelectRectangle*)(selection))->setShader( shader );
} else {
#endif // OPENGL_ENABLED
selection = new slop::XSelectRectangle( sx, sy,
ex, ey,
borderSize,
highlight,
r, g, b, a );
#ifdef OPENGL_ENABLED
}
#endif // OPENGL_ENABLED
}
windowmemory = window;
// If the user has let go of the mouse button, we'll just
// continue to the next state.
if ( !xengine->mouseDown( 1 ) ) {
state++;
break;
}
// Check to make sure the user actually wants to drag for a selection before moving things around.
int w = xengine->m_mousex - cx;
int h = xengine->m_mousey - cy;
if ( ( std::abs( w ) < tolerance && std::abs( h ) < tolerance ) ) {
// We make sure the selection rectangle stays on the window we had selected
selection->setGeo( xmem, ymem, xmem + wmem, ymem + hmem );
selection->update( deltatime );
xengine->setCursor( slop::Left );
// Make sure
window = windowmemory;
continue;
}
// If we're not selecting a window.
windowmemory = window;
window = None;
// We also detect which way the user is pulling and set the mouse icon accordingly.
bool x = cx > xengine->m_mousex;
bool y = cy > xengine->m_mousey;
if ( ( selection->m_width <= 1 && selection->m_height <= 1 ) || ( minimumsize == maximumsize && minimumsize != 0 && maximumsize != 0 ) ) {
xengine->setCursor( slop::Cross );
} else if ( !x && !y ) {
xengine->setCursor( slop::LowerRightCorner );
} else if ( x && !y ) {
xengine->setCursor( slop::LowerLeftCorner );
} else if ( !x && y ) {
xengine->setCursor( slop::UpperRightCorner );
} else if ( x && y ) {
xengine->setCursor( slop::UpperLeftCorner );
}
// Apply padding and minimum size adjustments.
int sx, sy, ex, ey;
constrain( cx, cy, xengine->m_mousex, xengine->m_mousey, padding, minimumsize, maximumsize, &sx, &sy, &ex, &ey );
// Set the selection rectangle's dimensions to mouse movement.
selection->setGeo( sx + xoffset, sy + yoffset, ex, ey );
selection->update( deltatime );
break;
}
case 3: {
int x, y, w, h;
// Exit the utility after this state runs once.
running = false;
// We pull the dimensions and positions from the selection rectangle.
// The selection rectangle automatically converts the positions and
// dimensions to absolute coordinates when we set them earilier.
x = selection->m_x;
y = selection->m_y;
w = selection->m_width;
h = selection->m_height;
// Delete the rectangle, which will remove it from the screen.
delete selection;
// Make sure if no window was specifically specified, that we output the root window.
Window temp = window;
if ( temp == None ) {
temp = xengine->m_root;
}
// Print the selection :)
printSelection( format, false, x, y, w, h, temp );
break;
}
}
// This sleep is required because drawing the rectangles is a very expensive task that acts really weird with Xorg when called as fast as possible.
// 0.01 seconds
usleep( 10000 );
}
xengine->releaseCursor();
xengine->releaseKeyboard();
// Try to process any last-second requests.
//xengine->tick();
// Clean up global classes.
delete xengine;
// Sleep for 0.05 seconds to ensure everything was cleaned up. (Without this, slop's window often shows up in screenshots.)
usleep( 50000 );
// If we canceled the selection, return error.
if ( state == -1 ) {
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
