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@@ -41,6 +41,187 @@ slop::GLSelectRectangle::~GLSelectRectangle() {
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usleep( 10000 );
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}
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+void slop::GLSelectRectangle::constrainWithinMonitor( int* x, int* y, int* w, int* h ) {
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+ m_offsetx = 0;
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+ m_offsety = 0;
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+ m_offsetw = 0;
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+ m_offseth = 0;
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+ for ( unsigned int i=0;i<m_monitors.size();i++ ) {
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+ XRRCrtcInfo* monitor = m_monitors[ i ];
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+ if ( !((int)xengine->m_mousex >= (int)monitor->x && (int)xengine->m_mousey >= (int)monitor->y &&
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+ (int)xengine->m_mousex <= (int)(monitor->x+monitor->width) && (int)xengine->m_mousey <= (int)(monitor->y+monitor->height) ) ) {
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+ continue;
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+ }
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+ if ( (int)*x < (int)monitor->x ) {
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+ m_offsetx = monitor->x-*x;
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+ *w += *x-monitor->x;
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+ *x = monitor->x;
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+ }
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+ if ( (int)(*x+*w) >= (int)(monitor->x+monitor->width) ) {
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+ m_offsetw = (monitor->width-1-(*x-monitor->x+*w));
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+ *w = monitor->width-1-(*x-monitor->x);
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+ }
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+ if ( (int)*y < (int)monitor->y ) {
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+ m_offsety = monitor->y-*y;
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+ *h += *y-monitor->y;
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+ *y = monitor->y;
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+ }
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+ if ( (int)(*y+*h) >= (int)(monitor->y+monitor->height) ) {
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+ m_offseth = (monitor->height-1-(*y-monitor->y+*h));
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+ *h = monitor->height-1-(*y-monitor->y);
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+ }
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+ break;
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+ }
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+ m_offsetx *= m_glassSize;
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+ m_offsety *= m_glassSize;
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+ m_offsetw *= m_glassSize;
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+ m_offseth *= m_glassSize;
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+}
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+
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+void slop::GLSelectRectangle::setMagnifySettings( bool on, float magstrength, unsigned int pixels ) {
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+ m_glassSize = magstrength;
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+ m_glassPixels = pixels;
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+ m_glassEnabled = on;
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+ m_glassx = xengine->m_mousex;
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+ m_glassy = xengine->m_mousey;
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+ m_realglassx = xengine->m_mousex;
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+ m_realglassy = xengine->m_mousey;
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+}
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+
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+void slop::GLSelectRectangle::pushOut( int* x, int* y, int w, int h, int rx, int ry, int rw, int rh ) {
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+ // AABB to test for collision
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+ if (!(
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+ *x < rx + rw &&
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+ *x + w > rx &&
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+ *y < ry + rh &&
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+ h + *y > ry
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+ )) {
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+ // No collision, so we do nothing.
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+ return;
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+ }
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+ // Otherwise we find an optimal angle to push ourselves out at.
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+ int centerx = rx+rw/2;
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+ int centery = ry+rh/2;
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+ float ang = -atan2( (float)(*y+(float)h/2.f)-(float)centery, (float)(*x+(float)w/2.f)-(float)centerx );
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+ float pi = 3.1415926535897;
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+ float upright = pi/2 - atan( (2.f*float(rx+rw)-2.f*(float)centerx)/(float)rh );
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+ float upleft = pi/2 - atan( (2.f*(float)rx-2.f*(float)centerx)/(float)rh );
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+ float downright = -upright;
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+ float downleft = -upleft;
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+ if ( ang >= upright && ang <= upleft ) {
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+ *x = centerx + ((rh*cos(ang))/(2*sin(ang))) - w/2;
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+ *y = centery - rh/2 - h;
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+ } else if ( ang <= downright && ang >= downleft) {
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+ *x = centerx - ((rh*cos(ang))/(2*sin(ang))) - w/2;
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+ *y = centery + rh/2;
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+ } else if ( ang < downleft || ang > upleft ) {
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+ *x = centerx - rw/2 - w;
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+ *y = centery + (rw*sin(ang))/(2*cos(ang)) - h/2;
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+ } else {
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+ *x = centerx + rw/2;
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+ *y = centery - (rw*sin(ang))/(2*cos(ang)) - h/2;
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+ }
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+}
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+
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+void slop::GLSelectRectangle::pushIn( int* x, int* y, int w, int h, int rx, int ry, int rw, int rh ) {
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+ if ( *x > rx && *y > ry &&
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+ *x+w < rx+rw && *y+h < ry+rh ) {
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+ // We're already fully contained...
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+ return;
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+ }
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+ // Otherwise we find an optimal angle to push ourselves in at.
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+ int centerx = rx+rw/2;
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+ int centery = ry+rh/2;
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+ float ang = -atan2( (float)(*y+(float)h/2.f)-(float)centery, (float)(*x+(float)w/2.f)-(float)centerx );
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+ float pi = 3.1415926535897;
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+ float upright = pi/2 - atan( (2.f*float(rx+rw)-2.f*(float)centerx)/(float)rh );
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+ float upleft = pi/2 - atan( (2.f*(float)rx-2.f*(float)centerx)/(float)rh );
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+ float downright = -upright;
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+ float downleft = -upleft;
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+ if ( ang >= upright && ang <= upleft ) {
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+ *x = centerx + ((rh*cos(ang))/(2*sin(ang))) - w/2;
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+ *y = centery - rh/2;
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+ } else if ( ang <= downright && ang >= downleft) {
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+ *x = centerx - ((rh*cos(ang))/(2*sin(ang))) - w/2;
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+ *y = centery + rh/2 - h;
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+ } else if ( ang < downleft || ang > upleft ) {
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+ *x = centerx - rw/2;
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+ *y = centery + (rw*sin(ang))/(2*cos(ang)) - h/2;
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+ } else {
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+ *x = centerx + rw/2 - w;
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+ *y = centery - (rw*sin(ang))/(2*cos(ang)) - h/2;
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+ }
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+ if ( !(*x > rx && *y > ry &&
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+ *x+w < rx+rw && *y+h < ry+rh) ) {
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+ if ( *x+w > rx+rw ) {
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+ *x -= w/2;
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+ }
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+ if ( *x < rx ) {
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+ *x += w/2;
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+ }
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+ if ( *y+h > ry+rh ) {
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+ *y -= h/2;
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+ }
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+ if ( *y < ry ) {
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+ *y += h/2;
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+ }
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+ }
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+}
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+
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+void slop::GLSelectRectangle::findOptimalGlassPosition() {
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+ // Try to move the glass next to the mouse.
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+ m_glassx = xengine->m_mousex+m_glassPixels/2+5-m_glassBorder;
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+ m_glassy = xengine->m_mousey+m_glassPixels/2+5-m_glassBorder;
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+ XRectangle view, selection, combined;
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+ view.x = xengine->m_mousex-(m_glassPixels+1+m_glassBorder)/2;
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+ view.y = xengine->m_mousey-(m_glassPixels+1+m_glassBorder)/2;
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+ view.width = m_glassPixels+1;
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+ view.height = m_glassPixels+1;
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+ selection.x = m_x-m_border;
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+ selection.y = m_y-m_border;
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+ selection.width = m_width+m_border*2;
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+ selection.height = m_height+m_border*2;
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+ combined.x = std::min( selection.x, view.x );
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+ combined.y = std::min( selection.y, view.y );
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+ combined.width = selection.width + std::max( selection.x-view.x, (view.x+view.width)-(selection.x+selection.width) );
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+ combined.height = selection.height + std::max( selection.y-view.y, (view.y+view.height)-(selection.y+selection.height) );
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+ for ( unsigned int i=0;i<m_monitors.size();i++ ) {
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+ XRRCrtcInfo* monitor = m_monitors[ i ];
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+ // Push the glass inside the monitor the mouse is on.
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+ if ( (int)xengine->m_mousex >= (int)monitor->x && (int)xengine->m_mousex <= (int)(monitor->x + monitor->width) &&
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+ (int)xengine->m_mousey >= (int)monitor->y && (int)xengine->m_mousey <= (int)(monitor->y + monitor->height) ) {
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+ pushIn( &m_glassx, &m_glassy, m_glassPixels*m_glassSize+m_glassBorder*2, m_glassPixels*m_glassSize+m_glassBorder*2, monitor->x, monitor->y, monitor->width, monitor->height );
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+ break;
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+ }
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+ }
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+ // Push the glass outside of the selection, but only if we are left clicking, and always keep it out of the "shot"
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+ if ( xengine->getCursor() != slop::Left ) {
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+ pushOut( &m_glassx, &m_glassy, m_glassPixels*m_glassSize+m_glassBorder*2, m_glassPixels*m_glassSize+m_glassBorder*2, combined.x, combined.y, combined.width, combined.height );
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+ } else {
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+ pushOut( &m_glassx, &m_glassy, m_glassPixels*m_glassSize+m_glassBorder*2, m_glassPixels*m_glassSize+m_glassBorder*2, view.x, view.y, view.width, view.height );
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+ }
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+ m_glassx += m_glassBorder;
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+ m_glassy += m_glassBorder;
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+}
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+
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+void slop::GLSelectRectangle::generateMagnifyingGlass() {
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+ int x = xengine->m_mousex-m_glassPixels/2;
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+ int y = xengine->m_mousey-m_glassPixels/2;
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+ int w = m_glassPixels;
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+ int h = m_glassPixels;
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+ constrainWithinMonitor( &x, &y, &w, &h );
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+ XImage* image = XGetImage( xengine->m_display, xengine->m_root, x, y, w, h, 0xffffffff, ZPixmap );
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+ glEnable(GL_TEXTURE_2D);
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+ glGenTextures(1, &m_texid);
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+ glBindTexture(GL_TEXTURE_2D, m_texid);
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+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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+ glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_BGRA, GL_UNSIGNED_BYTE, (void*)(&(image->data[0])));
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+ XDestroyImage( image );
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+ glDisable(GL_TEXTURE_2D);
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+}
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+
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slop::GLSelectRectangle::GLSelectRectangle( int sx, int sy, int ex, int ey, int border, bool highlight, float r, float g, float b, float a ) {
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m_x = std::min( sx, ex );
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m_y = std::min( sy, ey );
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@@ -53,6 +234,14 @@ slop::GLSelectRectangle::GLSelectRectangle( int sx, int sy, int ex, int ey, int
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m_border = border;
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m_window = None;
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m_highlight = highlight;
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+ m_glassPixels = 64;
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+ m_glassx = xengine->m_mousex;
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+ m_glassy = xengine->m_mousey;
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+ m_realglassx = xengine->m_mousex;
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+ m_realglassy = xengine->m_mousey;
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+ m_glassSize = 4;
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+ m_glassBorder = 1;
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+ m_monitors = xengine->getCRTCS();
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// If we don't have a border, we don't exist, so just die.
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if ( m_border == 0 ) {
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@@ -178,7 +367,9 @@ void slop::GLSelectRectangle::setGeo( int sx, int sy, int ex, int ey ) {
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m_y = y;
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m_width = w;
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m_height = h;
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- glDrawBuffer( GL_BACK );
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+}
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+
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+void slop::GLSelectRectangle::update( double dt ) {
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glViewport( 0, 0, xengine->getWidth(), xengine->getHeight() );
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glClearColor( 0, 0, 0, 0 );
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@@ -191,14 +382,56 @@ void slop::GLSelectRectangle::setGeo( int sx, int sy, int ex, int ey ) {
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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384
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- glEnable( GL_BLEND );
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- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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-
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385
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glColor4f( m_r, m_g, m_b, m_a );
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386
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glRecti( m_x-m_border, m_y, m_x+m_width+m_border, m_y-m_border );
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387
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glRecti( m_x-m_border, m_y+m_height, m_x+m_width+m_border, m_y+m_height+m_border );
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glRecti( m_x-m_border, m_y, m_x, m_y+m_height );
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glRecti( m_x+m_width, m_y, m_x+m_width+m_border, m_y+m_height );
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202
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390
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+ if ( m_glassEnabled ) {
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+ generateMagnifyingGlass();
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+ findOptimalGlassPosition();
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+
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395
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+ // Takes .1 second to reach the real position. Used for easing.
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+ m_realglassx -= float(m_realglassx - (float)m_glassx) * dt * 10;
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+ m_realglassy -= float(m_realglassy - (float)m_glassy) * dt * 10;
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+
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+ // Black outline...
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+
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+ glColor4f( 0, 0, 0, 1 );
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402
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+ glBegin( GL_QUADS );
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+ glTexCoord2f(0.0, 1.0); glVertex3f( m_realglassx+m_offsetx-m_glassBorder, m_realglassy+(m_glassSize*m_glassPixels)+m_offseth+m_glassBorder, 0.0);
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+ glTexCoord2f(1.0, 1.0); glVertex3f( m_realglassx+(m_glassSize*m_glassPixels)+m_offsetw+m_glassBorder, m_realglassy+(m_glassSize*m_glassPixels)+m_offseth+1, 0.0);
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+ glTexCoord2f(1.0, 0.0); glVertex3f( m_realglassx+(m_glassSize*m_glassPixels)+m_offsetw+m_glassBorder, m_realglassy+m_offsety-m_glassBorder, 0.0);
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+ glTexCoord2f(0.0, 0.0); glVertex3f( m_realglassx+m_offsetx-m_glassBorder, m_realglassy+m_offsety-m_glassBorder, 0.0);
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+ glEnd();
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+
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+ glEnable( GL_TEXTURE_2D );
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410
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+ glBindTexture( GL_TEXTURE_2D, m_texid );
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411
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+ glColor4f( 1, 1, 1, 1 );
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412
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+ glBegin( GL_QUADS );
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413
|
+ glTexCoord2f(0.0, 1.0); glVertex3f( m_realglassx+m_offsetx, m_realglassy+(m_glassSize*m_glassPixels)+m_offseth, 0.0);
|
|
|
414
|
+ glTexCoord2f(1.0, 1.0); glVertex3f( m_realglassx+(m_glassSize*m_glassPixels)+m_offsetw, m_realglassy+(m_glassSize*m_glassPixels)+m_offseth, 0.0);
|
|
|
415
|
+ glTexCoord2f(1.0, 0.0); glVertex3f( m_realglassx+(m_glassSize*m_glassPixels)+m_offsetw, m_realglassy+m_offsety, 0.0);
|
|
|
416
|
+ glTexCoord2f(0.0, 0.0); glVertex3f( m_realglassx+m_offsetx, m_realglassy+m_offsety, 0.0);
|
|
|
417
|
+ glEnd();
|
|
|
418
|
+ glDisable( GL_TEXTURE_2D );
|
|
|
419
|
+
|
|
|
420
|
+ glLogicOp(GL_INVERT);
|
|
|
421
|
+ glEnable(GL_COLOR_LOGIC_OP);
|
|
|
422
|
+ glLineWidth( 2 );
|
|
|
423
|
+ glColor4f( 0, 0, 0, 1 );
|
|
|
424
|
+ glBegin( GL_LINES );
|
|
|
425
|
+ float cx = m_realglassx+(m_glassSize*m_glassPixels)/2;
|
|
|
426
|
+ float cy = m_realglassy+(m_glassSize*m_glassPixels)/2;
|
|
|
427
|
+ glVertex3f( cx-5, cy, 0 );
|
|
|
428
|
+ glVertex3f( cx+5, cy, 0 );
|
|
|
429
|
+ glVertex3f( cx, cy-5, 0 );
|
|
|
430
|
+ glVertex3f( cx, cy+5, 0 );
|
|
|
431
|
+ glEnd();
|
|
|
432
|
+ glLogicOp(GL_NOOP);
|
|
|
433
|
+ glDisable(GL_COLOR_LOGIC_OP);
|
|
|
434
|
+ }
|
|
|
435
|
+
|
|
203
|
436
|
glXSwapBuffers( xengine->m_display, m_glxWindow );
|
|
204
|
437
|
}
|
Dalton Nell
9 лет назад