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@ -11,9 +11,12 @@ License. See the file "COPYING" for the exact licensing terms.
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#include "client.h"
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#include <math.h>
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#include <tqapplication.h>
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#include <tqpainter.h>
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#include <tqdatetime.h>
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#include <tqimage.h>
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#include <kprocess.h>
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#include <unistd.h>
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#include <kstandarddirs.h>
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@ -39,9 +42,25 @@ extern Time qt_x_time;
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extern Atom qt_window_role;
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extern Atom qt_sm_client_id;
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// wait 200 ms before drawing shadow after move/resize
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static const int SHADOW_DELAY = 200;
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namespace KWinInternal
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{
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/* TODO: Remove this once X has real translucency.
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*
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* A list of the regions covered by all shadows and the Clients to which they
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* belong. Used to redraw shadows when a window overlapping or underlying a
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* shadow is moved, resized, or hidden.
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*/
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struct ShadowRegion
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{
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TQRegion region;
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Client *client;
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};
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static TQValueList<ShadowRegion> shadowRegions;
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/*
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Creating a client:
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@ -100,6 +119,13 @@ Client::Client( Workspace *ws )
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autoRaiseTimer = 0;
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shadeHoverTimer = 0;
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shadowDelayTimer = new TQTimer(this);
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opacityCache = &activeOpacityCache;
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shadowAfterClient = NULL;
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shadowWidget = NULL;
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shadowMe = true;
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connect(shadowDelayTimer, TQT_SIGNAL(timeout()), TQT_SLOT(drawShadow()));
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// set the initial mapping state
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mapping_state = WithdrawnState;
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desk = 0; // no desktop yet
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@ -145,7 +171,7 @@ Client::Client( Workspace *ws )
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maxmode_restore = MaximizeRestore;
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cmap = None;
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frame_geometry = TQRect( 0, 0, 100, 100 ); // so that decorations don't start with size being (0,0)
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client_size = TQSize( 100, 100 );
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custom_opacity = false;
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@ -188,6 +214,8 @@ void Client::releaseWindow( bool on_shutdown )
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if (!custom_opacity) setOpacity(FALSE);
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if (moveResizeMode)
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leaveMoveResize();
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removeShadow();
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drawIntersectingShadows();
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finishWindowRules();
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++postpone_geometry_updates;
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// grab X during the release to make removing of properties, setting to withdrawn state
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@ -248,6 +276,8 @@ void Client::destroyClient()
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StackingUpdatesBlocker blocker( workspace());
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if (moveResizeMode)
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leaveMoveResize();
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removeShadow();
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drawIntersectingShadows();
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finishWindowRules();
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++postpone_geometry_updates;
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setModal( false );
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@ -304,6 +334,7 @@ void Client::updateDecoration( bool check_workspace_pos, bool force )
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if( do_show )
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decoration->widget()->show();
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updateFrameExtents();
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updateOpacityCache();
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}
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void Client::destroyDecoration()
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@ -434,6 +465,12 @@ void Client::resizeDecoration( const TQSize& s )
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TQResizeEvent e( s, oldsize );
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TQApplication::sendEvent( decoration->widget(), &e );
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}
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if (!moveResizeMode && options->shadowEnabled(isActive()))
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{
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// If the user is manually resizing, let Client::leaveMoveResize()
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// decide when to redraw the shadow
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updateOpacityCache();
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}
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}
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bool Client::noBorder() const
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@ -471,6 +508,7 @@ void Client::updateShape()
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noborder = true;
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updateDecoration( true );
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}
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updateOpacityCache();
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if ( shape() )
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{
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XShapeCombineShape(qt_xdisplay(), frameId(), ShapeBounding,
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@ -862,6 +900,16 @@ void Client::setShade( ShadeMode mode )
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XMapWindow( qt_xdisplay(), wrapperId());
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XMapWindow( qt_xdisplay(), window());
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XDeleteProperty (qt_xdisplay(), client, atoms->net_wm_window_shade);
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if (options->shadowEnabled(false))
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{
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for (ClientList::ConstIterator it = transients().begin();
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it != transients().end(); ++it)
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{
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(*it)->removeShadow();
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(*it)->drawDelayedShadow();
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}
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}
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if ( isActive() )
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workspace()->requestFocus( this );
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}
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@ -946,6 +994,589 @@ void Client::updateVisibility()
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}
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}
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void Client::setShadowed(bool shadowed)
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{
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bool wasShadowed;
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wasShadowed = isShadowed();
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shadowMe = options->shadowEnabled(isActive()) ? shadowed : false;
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if (shadowMe) {
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if (!wasShadowed)
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drawShadow();
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}
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else {
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if (wasShadowed) {
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removeShadow();
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if (!activeOpacityCache.isNull())
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activeOpacityCache.resize(0);
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if (!inactiveOpacityCache.isNull())
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inactiveOpacityCache.resize(0);
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}
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}
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}
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void Client::updateOpacityCache()
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{
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if (!activeOpacityCache.isNull())
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activeOpacityCache.resize(0);
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if (!inactiveOpacityCache.isNull())
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inactiveOpacityCache.resize(0);
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if (!moveResizeMode) {
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// If the user is manually resizing, let Client::finishMoveResize()
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// decide when to redraw the shadow
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removeShadow();
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drawIntersectingShadows();
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if (options->shadowEnabled(isActive()))
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drawDelayedShadow();
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}
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}
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/*!
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Redraw shadows that were previously occluding or occluded by this window,
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to avoid visual glitches.
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*/
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void Client::drawIntersectingShadows() {
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//Client *reshadowClient;
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TQRegion region;
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//TQPtrList<Client> reshadowClients;
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TQValueList<Client *> reshadowClients;
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TQValueListIterator<ShadowRegion> it;
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TQValueListIterator<Client *> it2;
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if (!options->shadowEnabled(false))
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// No point in redrawing overlapping/overlapped shadows if only the
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// active window has a shadow.
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return;
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region = shapeBoundingRegion;
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// Generate list of Clients whose shadows need to be redrawn. That is,
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// those that are currently intersecting or intersected by other windows or
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// shadows.
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for (it = shadowRegions.begin(); it != shadowRegions.end(); ++it)
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if ((isOnAllDesktops() || (*it).client->isOnCurrentDesktop()) &&
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!(*it).region.intersect(region).isEmpty())
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reshadowClients.append((*it).client);
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// Redraw shadows for each of the Clients in the list generated above
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for (it2 = reshadowClients.begin(); it2 != reshadowClients.end();
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++it2) {
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(*it2)->removeShadow();
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(*it2)->drawDelayedShadow();
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}
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}
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/*!
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Redraw shadows that are above the current window in the stacking order.
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Furthermore, redraw them in the same order as they come in the stacking order
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from bottom to top.
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*/
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void Client::drawOverlappingShadows(bool waitForMe)
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{
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Client *aClient;
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TQRegion region;
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TQValueList<Client *> reshadowClients;
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ClientList stacking_order;
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ClientList::ConstIterator it;
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TQValueListIterator<ShadowRegion> it2;
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TQValueListIterator<Client *> it3;
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if (!options->shadowEnabled(false))
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// No point in redrawing overlapping/overlapped shadows if only the
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// active window has a shadow.
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return;
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region = shapeBoundingRegion;
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stacking_order = workspace()->stackingOrder();
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for (it = stacking_order.fromLast(); it != stacking_order.end(); --it) {
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// Find the position of this window in the stacking order.
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if ((*it) == this)
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break;
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}
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++it;
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while (it != stacking_order.end()) {
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if ((*it)->windowType() == NET::Dock) {
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// This function is only interested in windows whose shadows don't
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// have weird stacking rules.
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++it;
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continue;
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}
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// Generate list of Clients whose shadows need to be redrawn. That is,
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// those that are currently overlapping or overlapped by other windows
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// or shadows. The list should be in order from bottom to top in the
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// stacking order.
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for (it2 = shadowRegions.begin(); it2 != shadowRegions.end(); ++it2) {
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if ((*it2).client == (*it)) {
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if ((isOnAllDesktops() || (*it2).client->isOnCurrentDesktop())
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&& !(*it2).region.intersect(region).isEmpty())
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reshadowClients.append((*it2).client);
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}
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}
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++it;
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}
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// Redraw shadows for each of the Clients in the list generated above
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for (it3 = reshadowClients.begin(); it3 != reshadowClients.end(); ++it3) {
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(*it3)->removeShadow();
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if (it3 == reshadowClients.begin()) {
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if (waitForMe)
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(*it3)->drawShadowAfter(this);
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else
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(*it3)->drawDelayedShadow();
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}
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else {
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--it3;
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aClient = (*it3);
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++it3;
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(*it3)->drawShadowAfter(aClient);
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}
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}
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}
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/*!
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Draw shadow after some time has elapsed, to give recently exposed windows a
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chance to repaint before a shadow gradient is drawn over them.
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*/
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void Client::drawDelayedShadow()
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{
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shadowDelayTimer->stop();
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shadowDelayTimer->start(SHADOW_DELAY, true);
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}
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/*!
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Draw shadow immediately after the specified Client's shadow finishes drawing.
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*/
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void Client::drawShadowAfter(Client *after)
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{
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shadowAfterClient = after;
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connect(after, TQT_SIGNAL(shadowDrawn()), TQT_SLOT(drawShadow()));
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}
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/*!
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Draw a shadow under this window and XShape the shadow accordingly.
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*/
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void Client::drawShadow()
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{
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Window shadows[2];
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XRectangle *shapes;
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int i, count, ordering;
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// If we are waiting for another Client's shadow to be drawn, stop waiting now
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if (shadowAfterClient != NULL) {
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disconnect(shadowAfterClient, TQT_SIGNAL(shadowDrawn()), this, TQT_SLOT(drawShadow()));
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shadowAfterClient = NULL;
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}
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if (!isOnCurrentDesktop())
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return;
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/* Store this window's ShapeBoundingRegion even if shadows aren't drawn for
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* this type of window. Otherwise, drawIntersectingShadows() won't update
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* properly when this window is moved/resized/hidden/closed.
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*/
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shapes = XShapeGetRectangles(qt_xdisplay(), frameId(), ShapeBounding,
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&count, &ordering);
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if (!shapes)
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// XShape extension not supported
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shapeBoundingRegion = TQRegion(x(), y(), width(), height());
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else {
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shapeBoundingRegion = TQRegion();
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for (i = 0; i < count; i++) {
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// Translate XShaped window into a TQRegion
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TQRegion shapeRectangle(shapes[i].x, shapes[i].y, shapes[i].width,
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shapes[i].height);
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shapeBoundingRegion += shapeRectangle;
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}
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if (isShade())
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// Since XResize() doesn't change a window's XShape regions, ensure that
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// shapeBoundingRegion is not taller than the window's shaded height,
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// or the bottom shadow will appear to be missing
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shapeBoundingRegion &= TQRegion(0, 0, width(), height());
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shapeBoundingRegion.translate(x(), y());
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}
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if (!isShadowed() || hidden || isMinimized() ||
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|
|
|
|
maximizeMode() == MaximizeFull ||
|
|
|
|
|
!options->shadowWindowType(windowType())) {
|
|
|
|
|
XFree(shapes);
|
|
|
|
|
|
|
|
|
|
// Tell whatever Clients are listening that this Client's shadow has been drawn.
|
|
|
|
|
// It hasn't, but there's no sense waiting for something that won't happen.
|
|
|
|
|
emit shadowDrawn();
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
removeShadow();
|
|
|
|
|
|
|
|
|
|
TQMemArray<QRgb> pixelData;
|
|
|
|
|
TQPixmap shadowPixmap;
|
|
|
|
|
TQRect shadow;
|
|
|
|
|
TQRegion exposedRegion;
|
|
|
|
|
ShadowRegion shadowRegion;
|
|
|
|
|
int thickness, xOffset, yOffset;
|
|
|
|
|
|
|
|
|
|
thickness = options->shadowThickness(isActive());
|
|
|
|
|
xOffset = options->shadowXOffset(isActive());
|
|
|
|
|
yOffset = options->shadowYOffset(isActive());
|
|
|
|
|
opacityCache = active? &activeOpacityCache : &inactiveOpacityCache;
|
|
|
|
|
|
|
|
|
|
shadow.setRect(x() - thickness + xOffset, y() - thickness + yOffset,
|
|
|
|
|
width() + thickness * 2, height() + thickness * 2);
|
|
|
|
|
shadowPixmap.resize(shadow.size());
|
|
|
|
|
|
|
|
|
|
// Create a fake drop-down shadow effect via blended Xwindows
|
|
|
|
|
shadowWidget = new TQWidget(0, 0, WStyle_Customize | WX11BypassWM);
|
|
|
|
|
shadowWidget->setGeometry(shadow);
|
|
|
|
|
XSelectInput(qt_xdisplay(), shadowWidget->winId(),
|
|
|
|
|
ButtonPressMask | ButtonReleaseMask | StructureNotifyMask);
|
|
|
|
|
shadowWidget->installEventFilter(this);
|
|
|
|
|
|
|
|
|
|
if (!shapes) {
|
|
|
|
|
// XShape extension not supported
|
|
|
|
|
exposedRegion = getExposedRegion(shapeBoundingRegion, shadow.x(),
|
|
|
|
|
shadow.y(), shadow.width(), shadow.height(), thickness,
|
|
|
|
|
xOffset, yOffset);
|
|
|
|
|
shadowRegion.region = exposedRegion;
|
|
|
|
|
shadowRegion.client = this;
|
|
|
|
|
shadowRegions.append(shadowRegion);
|
|
|
|
|
|
|
|
|
|
if (opacityCache->isNull())
|
|
|
|
|
imposeRegionShadow(shadowPixmap, shapeBoundingRegion,
|
|
|
|
|
exposedRegion, thickness,
|
|
|
|
|
options->shadowOpacity(isActive()));
|
|
|
|
|
else
|
|
|
|
|
imposeCachedShadow(shadowPixmap, exposedRegion);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
TQMemArray<TQRect> exposedRects;
|
|
|
|
|
TQMemArray<TQRect>::Iterator it, itEnd;
|
|
|
|
|
XRectangle *shadowShapes;
|
|
|
|
|
|
|
|
|
|
exposedRegion = getExposedRegion(shapeBoundingRegion, shadow.x(),
|
|
|
|
|
shadow.y(), shadow.width(), shadow.height(), thickness,
|
|
|
|
|
xOffset, yOffset);
|
|
|
|
|
shadowRegion.region = exposedRegion;
|
|
|
|
|
shadowRegion.client = this;
|
|
|
|
|
shadowRegions.append(shadowRegion);
|
|
|
|
|
|
|
|
|
|
// XShape the shadow
|
|
|
|
|
exposedRects = exposedRegion.rects();
|
|
|
|
|
i = 0;
|
|
|
|
|
itEnd = exposedRects.end();
|
|
|
|
|
shadowShapes = new XRectangle[exposedRects.count()];
|
|
|
|
|
for (it = exposedRects.begin(); it != itEnd; ++it) {
|
|
|
|
|
shadowShapes[i].x = (*it).x();
|
|
|
|
|
shadowShapes[i].y = (*it).y();
|
|
|
|
|
shadowShapes[i].width = (*it).width();
|
|
|
|
|
shadowShapes[i].height = (*it).height();
|
|
|
|
|
i++;
|
|
|
|
|
}
|
|
|
|
|
XShapeCombineRectangles(qt_xdisplay(), shadowWidget->winId(),
|
|
|
|
|
ShapeBounding, -x() + thickness - xOffset,
|
|
|
|
|
-y() + thickness - yOffset, shadowShapes, i, ShapeSet,
|
|
|
|
|
Unsorted);
|
|
|
|
|
delete [] shadowShapes;
|
|
|
|
|
|
|
|
|
|
if (opacityCache->isNull())
|
|
|
|
|
imposeRegionShadow(shadowPixmap, shapeBoundingRegion,
|
|
|
|
|
exposedRegion, thickness,
|
|
|
|
|
options->shadowOpacity(isActive()));
|
|
|
|
|
else
|
|
|
|
|
imposeCachedShadow(shadowPixmap, exposedRegion);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
XFree(shapes);
|
|
|
|
|
|
|
|
|
|
// Set the background pixmap
|
|
|
|
|
//shadowPixmap.convertFromImage(shadowImage);
|
|
|
|
|
shadowWidget->setErasePixmap(shadowPixmap);
|
|
|
|
|
|
|
|
|
|
// Restack shadows under this window so that shadows drawn for a newly
|
|
|
|
|
// focused (but not raised) window don't overlap any windows above it.
|
|
|
|
|
if (isDock()) {
|
|
|
|
|
ClientList stacking_order = workspace()->stackingOrder();
|
|
|
|
|
for (ClientList::ConstIterator it = stacking_order.begin(); it != stacking_order.end(); ++it)
|
|
|
|
|
if ((*it)->isDesktop())
|
|
|
|
|
{
|
|
|
|
|
++it;
|
|
|
|
|
shadows[0] = (*it)->frameId();
|
|
|
|
|
shadows[1] = shadowWidget->winId();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
shadows[0] = frameId();
|
|
|
|
|
if (shadowWidget != NULL)
|
|
|
|
|
shadows[1] = shadowWidget->winId();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
XRestackWindows(qt_xdisplay(), shadows, 2);
|
|
|
|
|
|
|
|
|
|
// Don't use TQWidget::show() so we don't confuse QEffects, thus causing
|
|
|
|
|
// broken focus.
|
|
|
|
|
XMapWindow(qt_xdisplay(), shadowWidget->winId());
|
|
|
|
|
|
|
|
|
|
// Tell whatever Clients are listening that this Client's shadow has been drawn.
|
|
|
|
|
emit shadowDrawn();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
Remove shadow under this window.
|
|
|
|
|
*/
|
|
|
|
|
void Client::removeShadow()
|
|
|
|
|
{
|
|
|
|
|
TQValueList<ShadowRegion>::Iterator it;
|
|
|
|
|
|
|
|
|
|
shadowDelayTimer->stop();
|
|
|
|
|
|
|
|
|
|
if (shadowWidget != NULL) {
|
|
|
|
|
for (it = shadowRegions.begin(); it != shadowRegions.end(); ++it)
|
|
|
|
|
if ((*it).client == this) {
|
|
|
|
|
shadowRegions.remove(it);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
delete shadowWidget;
|
|
|
|
|
shadowWidget = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
Calculate regions in which the shadow will be visible given the window's
|
|
|
|
|
origin, height and width and the shadow's thickness, and X- and Y-offsets.
|
|
|
|
|
*/
|
|
|
|
|
TQRegion Client::getExposedRegion(TQRegion occludedRegion, int x, int y, int w,
|
|
|
|
|
int h, int thickness, int xOffset, int yOffset)
|
|
|
|
|
{
|
|
|
|
|
TQRegion exposedRegion;
|
|
|
|
|
|
|
|
|
|
exposedRegion = TQRegion(x, y, w, h);
|
|
|
|
|
exposedRegion -= occludedRegion;
|
|
|
|
|
|
|
|
|
|
if (thickness > 0) {
|
|
|
|
|
// Limit exposedRegion to include only where a shadow of the specified
|
|
|
|
|
// thickness will be drawn
|
|
|
|
|
TQMemArray<TQRect> occludedRects;
|
|
|
|
|
TQMemArray<TQRect>::Iterator it, itEnd;
|
|
|
|
|
TQRegion shadowRegion;
|
|
|
|
|
|
|
|
|
|
occludedRects = occludedRegion.rects();
|
|
|
|
|
itEnd = occludedRects.end();
|
|
|
|
|
for (it = occludedRects.begin(); it != itEnd; ++it) {
|
|
|
|
|
// Expand each of the occluded region's shape rectangles to contain
|
|
|
|
|
// where a shadow of the specified thickness will be drawn. Create
|
|
|
|
|
// a new TQRegion that contains the expanded occluded region
|
|
|
|
|
it->setTop(it->top() - thickness + yOffset);
|
|
|
|
|
it->setLeft(it->left() - thickness + xOffset);
|
|
|
|
|
it->setRight(it->right() + thickness + xOffset);
|
|
|
|
|
it->setBottom(it->bottom() + thickness + yOffset);
|
|
|
|
|
shadowRegion += TQRegion(*it);
|
|
|
|
|
}
|
|
|
|
|
exposedRegion -= exposedRegion - shadowRegion;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return exposedRegion;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
Draw shadow gradient around this window using cached opacity values.
|
|
|
|
|
*/
|
|
|
|
|
void Client::imposeCachedShadow(TQPixmap &pixmap, TQRegion exposed)
|
|
|
|
|
{
|
|
|
|
|
QRgb pixel;
|
|
|
|
|
double opacity;
|
|
|
|
|
int red, green, blue, pixelRed, pixelGreen, pixelBlue;
|
|
|
|
|
int subW, subH, w, h, x, y, zeroX, zeroY;
|
|
|
|
|
TQImage image;
|
|
|
|
|
TQMemArray<TQRect>::Iterator it, itEnd;
|
|
|
|
|
TQMemArray<TQRect> rectangles;
|
|
|
|
|
TQPixmap subPixmap;
|
|
|
|
|
Window rootWindow;
|
|
|
|
|
int thickness, windowX, windowY, xOffset, yOffset;
|
|
|
|
|
|
|
|
|
|
rectangles = exposed.rects();
|
|
|
|
|
rootWindow = qt_xrootwin();
|
|
|
|
|
thickness = options->shadowThickness(isActive());
|
|
|
|
|
windowX = this->x();
|
|
|
|
|
windowY = this->y();
|
|
|
|
|
xOffset = options->shadowXOffset(isActive());
|
|
|
|
|
yOffset = options->shadowYOffset(isActive());
|
|
|
|
|
options->shadowColour(isActive()).rgb(&red, &green, &blue);
|
|
|
|
|
w = pixmap.width();
|
|
|
|
|
h = pixmap.height();
|
|
|
|
|
|
|
|
|
|
itEnd = rectangles.end();
|
|
|
|
|
for (it = rectangles.begin(); it != itEnd; ++it) {
|
|
|
|
|
subW = (*it).width();
|
|
|
|
|
subH = (*it).height();
|
|
|
|
|
subPixmap = TQPixmap::grabWindow(rootWindow, (*it).x(), (*it).y(),
|
|
|
|
|
subW, subH);
|
|
|
|
|
zeroX = (*it).x() - windowX + thickness - xOffset;
|
|
|
|
|
zeroY = (*it).y() - windowY + thickness - yOffset;
|
|
|
|
|
image = subPixmap.convertToImage();
|
|
|
|
|
|
|
|
|
|
for (x = 0; x < subW; x++) {
|
|
|
|
|
for (y = 0; y < subH; y++) {
|
|
|
|
|
opacity = (*(opacityCache))[(zeroY + y) * w + zeroX + x];
|
|
|
|
|
pixel = image.pixel(x, y);
|
|
|
|
|
pixelRed = qRed(pixel);
|
|
|
|
|
pixelGreen = qGreen(pixel);
|
|
|
|
|
pixelBlue = qBlue(pixel);
|
|
|
|
|
image.setPixel(x, y,
|
|
|
|
|
qRgb((int)(pixelRed + (red - pixelRed) * opacity),
|
|
|
|
|
(int)(pixelGreen + (green - pixelGreen) * opacity),
|
|
|
|
|
(int)(pixelBlue + (blue - pixelBlue) * opacity)));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
subPixmap.convertFromImage(image);
|
|
|
|
|
bitBlt(&pixmap, zeroX, zeroY, &subPixmap);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
Draw shadow around this window using calculated opacity values.
|
|
|
|
|
*/
|
|
|
|
|
void Client::imposeRegionShadow(TQPixmap &pixmap, TQRegion occluded,
|
|
|
|
|
TQRegion exposed, int thickness, double maxOpacity)
|
|
|
|
|
{
|
|
|
|
|
register int distance, intersectCount, i, j, x, y;
|
|
|
|
|
QRgb pixel;
|
|
|
|
|
double decay, factor, opacity;
|
|
|
|
|
int red, green, blue, pixelRed, pixelGreen, pixelBlue;
|
|
|
|
|
int halfMaxIntersects, lineIntersects, maxIntersects, maxY;
|
|
|
|
|
int irBottom, irLeft, irRight, irTop, yIncrement;
|
|
|
|
|
int subW, subH, w, h, zeroX, zeroY;
|
|
|
|
|
TQImage image;
|
|
|
|
|
TQMemArray<TQRect>::Iterator it, itEnd;
|
|
|
|
|
TQMemArray<TQRect> rectangles;
|
|
|
|
|
TQPixmap subPixmap;
|
|
|
|
|
Window rootWindow;
|
|
|
|
|
int windowX, windowY, xOffset, yOffset;
|
|
|
|
|
|
|
|
|
|
rectangles = exposed.rects();
|
|
|
|
|
rootWindow = qt_xrootwin();
|
|
|
|
|
windowX = this->x();
|
|
|
|
|
windowY = this->y();
|
|
|
|
|
xOffset = options->shadowXOffset(isActive());
|
|
|
|
|
yOffset = options->shadowYOffset(isActive());
|
|
|
|
|
options->shadowColour(isActive()).rgb(&red, &green, &blue);
|
|
|
|
|
maxIntersects = thickness * thickness * 4 + (thickness * 4) + 1;
|
|
|
|
|
halfMaxIntersects = maxIntersects / 2;
|
|
|
|
|
lineIntersects = thickness * 2 + 1;
|
|
|
|
|
factor = maxIntersects / maxOpacity;
|
|
|
|
|
decay = (lineIntersects / 0.0125 - factor) / pow((double)maxIntersects, 3.0);
|
|
|
|
|
w = pixmap.width();
|
|
|
|
|
h = pixmap.height();
|
|
|
|
|
xOffset = options->shadowXOffset(isActive());
|
|
|
|
|
yOffset = options->shadowYOffset(isActive());
|
|
|
|
|
|
|
|
|
|
opacityCache->resize(0);
|
|
|
|
|
opacityCache->resize(w * h);
|
|
|
|
|
occluded.translate(-windowX + thickness, -windowY + thickness);
|
|
|
|
|
|
|
|
|
|
itEnd = rectangles.end();
|
|
|
|
|
for (it = rectangles.begin(); it != itEnd; ++it) {
|
|
|
|
|
subW = (*it).width();
|
|
|
|
|
subH = (*it).height();
|
|
|
|
|
subPixmap = TQPixmap::grabWindow(rootWindow, (*it).x(), (*it).y(),
|
|
|
|
|
subW, subH);
|
|
|
|
|
maxY = subH;
|
|
|
|
|
zeroX = (*it).x() - windowX + thickness - xOffset;
|
|
|
|
|
zeroY = (*it).y() - windowY + thickness - yOffset;
|
|
|
|
|
image = subPixmap.convertToImage();
|
|
|
|
|
|
|
|
|
|
intersectCount = 0;
|
|
|
|
|
opacity = -1;
|
|
|
|
|
y = 0;
|
|
|
|
|
yIncrement = 1;
|
|
|
|
|
for (x = 0; x < subW; x++) {
|
|
|
|
|
irLeft = zeroX + x - thickness;
|
|
|
|
|
irRight = zeroX + x + thickness;
|
|
|
|
|
|
|
|
|
|
while (y != maxY) {
|
|
|
|
|
// horizontal row about to leave the intersect region, not
|
|
|
|
|
// necessarily the top row
|
|
|
|
|
irTop = zeroY + y - thickness * yIncrement;
|
|
|
|
|
// horizontal row that just came into the intersect region,
|
|
|
|
|
// not necessarily the bottom row
|
|
|
|
|
irBottom = zeroY + y + thickness * yIncrement;
|
|
|
|
|
|
|
|
|
|
if (opacity == -1) {
|
|
|
|
|
// If occluded pixels caused an intersect count to be
|
|
|
|
|
// skipped, recount it
|
|
|
|
|
intersectCount = 0;
|
|
|
|
|
|
|
|
|
|
for (j = irTop; j != irBottom; j += yIncrement) {
|
|
|
|
|
// irTop is not necessarily larger than irBottom and
|
|
|
|
|
// yIncrement isn't necessarily positive
|
|
|
|
|
for (i = irLeft; i <= irRight; i++) {
|
|
|
|
|
if (occluded.contains(TQPoint(i, j)))
|
|
|
|
|
intersectCount++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
if (intersectCount < 0)
|
|
|
|
|
intersectCount = 0;
|
|
|
|
|
|
|
|
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for (i = irLeft; i <= irRight; i++) {
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if (occluded.contains(TQPoint(i, irBottom)))
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intersectCount++;
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}
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}
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distance = maxIntersects - intersectCount;
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opacity = intersectCount / (factor + pow((double)distance, 3.0) * decay);
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(*(opacityCache))[(zeroY + y) * w + zeroX + x] = opacity;
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pixel = image.pixel(x, y);
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pixelRed = qRed(pixel);
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pixelGreen = qGreen(pixel);
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pixelBlue = qBlue(pixel);
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image.setPixel(x, y,
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qRgb((int)(pixelRed + (red - pixelRed) * opacity),
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(int)(pixelGreen + (green - pixelGreen) * opacity),
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(int)(pixelBlue + (blue - pixelBlue) * opacity)));
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for (i = irLeft; i <= irRight; i++) {
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if (occluded.contains(TQPoint(i, irTop)))
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intersectCount--;
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}
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y += yIncrement;
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}
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y -= yIncrement;
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irTop += yIncrement;
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for (j = irTop; j != irBottom; j += yIncrement) {
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if (occluded.contains(TQPoint(irLeft, j)))
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intersectCount--;
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}
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irRight++;
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for (j = irTop; j != irBottom; j += yIncrement) {
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if (occluded.contains(TQPoint(irRight, j)))
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intersectCount++;
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}
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yIncrement *= -1;
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if (yIncrement < 0)
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|
// Scan Y-axis bottom-up for next X-coordinate iteration
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maxY = -1;
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else
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// Scan Y-axis top-down for next X-coordinate iteration
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|
maxY = subH;
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|
}
|
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|
subPixmap.convertFromImage(image);
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|
bitBlt(&pixmap, zeroX, zeroY, &subPixmap);
|
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|
}
|
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|
|
}
|
|
|
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|
|
|
|
|
/*!
|
|
|
|
|
Sets the client window's mapping state. Possible values are
|
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|
|
|
WithdrawnState, IconicState, NormalState.
|
|
|
|
|
@ -989,6 +1620,8 @@ void Client::rawShow()
|
|
|
|
|
XMapWindow( qt_xdisplay(), wrapper );
|
|
|
|
|
XMapWindow( qt_xdisplay(), client );
|
|
|
|
|
}
|
|
|
|
|
if (options->shadowEnabled(isActive()))
|
|
|
|
|
drawDelayedShadow();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*!
|
|
|
|
|
@ -1004,6 +1637,8 @@ void Client::rawHide()
|
|
|
|
|
// which won't be missed, so this shouldn't be a problem. The chance the real UnmapNotify
|
|
|
|
|
// will be missed is also very minimal, so I don't think it's needed to grab the server
|
|
|
|
|
// here.
|
|
|
|
|
removeShadow();
|
|
|
|
|
drawIntersectingShadows();
|
|
|
|
|
XSelectInput( qt_xdisplay(), wrapper, ClientWinMask ); // avoid getting UnmapNotify
|
|
|
|
|
XUnmapWindow( qt_xdisplay(), frame );
|
|
|
|
|
XUnmapWindow( qt_xdisplay(), wrapper );
|
|
|
|
|
|
tpearson
14 years ago
