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Add suspend/resume support for twin managed applications

Browse Source
pull/2/head
Timothy Pearson 12 years ago
parent d160a6fc01
commit 98ead41b56
6 changed files with 111 additions and 8 deletions
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1
twin/CMakeLists.txt
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@ -13,6 +13,7 @@ project( twin )
add_subdirectory( lib )
add_subdirectory( killer )
add_subdirectory( resumer )
add_subdirectory( kcmtwin )
add_subdirectory( pics )
add_subdirectory( clients )

99
twin/client.cpp
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@ -23,6 +23,7 @@ License. See the file "COPYING" for the exact licensing terms.
#include <tqwhatsthis.h>
#include <twin.h>
#include <kiconloader.h>
#include <klocale.h>
#include <stdlib.h>
#include "bridge.h"
@ -102,6 +103,7 @@ Client::Client( Workspace *ws )
in_layer( UnknownLayer ),
ping_timer( NULL ),
process_killer( NULL ),
process_resumer( NULL ),
user_time( CurrentTime ), // not known yet
allowed_actions( 0 ),
postpone_geometry_updates( 0 ),
@ -174,7 +176,7 @@ Client::Client( Workspace *ws )
frame_geometry = TQRect( 0, 0, 100, 100 ); // so that decorations don't start with size being (0,0)
client_size = TQSize( 100, 100 );
custom_opacity = false;
rule_opacity_active = 0;; //translucency rules
rule_opacity_active = 0; //translucency rules
rule_opacity_inactive = 0; //dito.
// SELI initialize xsizehints??
@ -678,6 +680,9 @@ void Client::minimize( bool avoid_animation )
void Client::unminimize( bool avoid_animation )
{
if (!queryUserSuspendedResume())
return;
if( !isMinimized())
return;
@ -1840,7 +1845,7 @@ bool Client::isSuspendable() const
pid_t pid = info->pid();
if( pid <= 0 || machine.isEmpty()) // needed properties missing
return false;
kdDebug( 1212 ) << "Suspend process:" << pid << "(" << machine << ")" << endl;
kdDebug( 1212 ) << "Check suspendable process:" << pid << "(" << machine << ")" << endl;
if( machine != "localhost" )
{
return false;
@ -1884,7 +1889,7 @@ bool Client::isResumeable() const
pid_t pid = info->pid();
if( pid <= 0 || machine.isEmpty()) // needed properties missing
return false;
kdDebug( 1212 ) << "Suspend process:" << pid << "(" << machine << ")" << endl;
kdDebug( 1212 ) << "Check resumeable process:" << pid << "(" << machine << ")" << endl;
if( machine != "localhost" )
{
return false;
@ -1922,6 +1927,36 @@ bool Client::isResumeable() const
}
}
bool Client::queryUserSuspendedResume()
{
if (isResumeable())
{
if (process_resumer != NULL)
{
return false;
}
process_resumer = new KProcess( this );
*process_resumer << KStandardDirs::findExe( "twin_resumer_helper" )
<< "--pid" << TQCString().setNum( info->pid() ) << "--hostname" << wmClientMachine( true )
<< "--windowname" << caption().utf8()
<< "--applicationname" << resourceClass()
<< "--wid" << TQCString().setNum( window());
connect( process_resumer, TQT_SIGNAL( processExited( KProcess* )),
TQT_SLOT( processResumerExited()));
if( !process_resumer->start( KProcess::NotifyOnExit ))
{
delete process_resumer;
process_resumer = NULL;
return true;
}
return false;
}
else
{
return true;
}
}
void Client::suspendWindow()
{
TQCString machine = wmClientMachine( true );
@ -1934,7 +1969,26 @@ void Client::suspendWindow()
return;
}
else
{
for ( ClientList::ConstIterator it = workspace()->clients.begin(); it != workspace()->clients.end(); ++it)
{
Client* nextclient = *it;
pid_t nextpid = nextclient->info->pid();
TQCString nextmachine = nextclient->wmClientMachine( true );
if( nextpid > 0 && (!nextmachine.isEmpty()))
{
if( ( nextmachine == "localhost" ) && ( pid == nextpid ) )
{
TQString newCaption = TQString(readName()).append(" <").append(i18n("Suspended")).append(">");
nextclient->info->setVisibleName(newCaption.utf8());
nextclient->info->setVisibleIconName(newCaption.utf8());
nextclient->minimized_before_suspend = nextclient->isMinimized();
nextclient->minimize(true);
}
}
}
::kill( pid, SIGSTOP );
}
}
void Client::resumeWindow()
@ -1949,7 +2003,26 @@ void Client::resumeWindow()
return;
}
else
{
::kill( pid, SIGCONT );
for ( ClientList::ConstIterator it = workspace()->clients.begin(); it != workspace()->clients.end(); ++it)
{
Client* nextclient = *it;
pid_t nextpid = nextclient->info->pid();
TQCString nextmachine = nextclient->wmClientMachine( true );
if( nextpid > 0 && (!nextmachine.isEmpty()))
{
if( ( nextmachine == "localhost" ) && ( pid == nextpid ) )
{
if (!nextclient->minimized_before_suspend)
{
nextclient->unminimize(true);
}
nextclient->updateCaption();
}
}
}
}
}
void Client::processKillerExited()
@ -1959,6 +2032,18 @@ void Client::processKillerExited()
process_killer = NULL;
}
void Client::processResumerExited()
{
kdDebug( 1212 ) << "Resumer exited" << endl;
if (process_resumer->exitStatus() == 0)
{
resumeWindow();
takeFocus( Allowed );
}
delete process_resumer;
process_resumer = NULL;
}
void Client::setSkipTaskbar( bool b, bool from_outside )
{
int was_wants_tab_focus = wantsTabFocus();
@ -2178,7 +2263,7 @@ void Client::setCaption( const TQString& s, bool force )
info->setVisibleName( caption().utf8() );
reset_name = false;
}
if(( was_suffix && cap_suffix.isEmpty()
if(( (was_suffix && cap_suffix.isEmpty())
|| reset_name )) // if it was new window, it may have old value still set, if the window is reused
{
info->setVisibleName( "" ); // remove
@ -2270,10 +2355,12 @@ void Client::readIcons( Window win, TQPixmap* icon, TQPixmap* miniicon )
if( icon != NULL )
*icon = KWin::icon( win, 32, 32, TRUE, KWin::NETWM | KWin::WMHints );
if( miniicon != NULL )
{
if( icon == NULL || !icon->isNull())
*miniicon = KWin::icon( win, 16, 16, TRUE, KWin::NETWM | KWin::WMHints );
else
*miniicon = TQPixmap();
}
}
void Client::getIcons()
@ -2745,10 +2832,12 @@ void Client::updateOpacity()
{
for( ClientList::ConstIterator it = group()->members().begin(); it != group()->members().end(); it++ )
if ((*it)->isDialog() || (*it)->isUtility())
{
if( (*it)->ruleOpacityActive() )
(*it)->setOpacity((*it)->ruleOpacityActive() < 0xFFFFFFFF, (*it)->ruleOpacityActive());
else
(*it)->setOpacity(options->translucentActiveWindows, options->activeWindowOpacity);
}
}
}
else
@ -2819,10 +2908,12 @@ void Client::updateOpacity()
{
for( ClientList::ConstIterator it = group()->members().begin(); it != group()->members().end(); it++ )
if ((*it)->isUtility()) //don't deactivate dialogs...
{
if( (*it)->ruleOpacityInactive() )
(*it)->setOpacity((*it)->ruleOpacityInactive() < 0xFFFFFFFF, (*it)->ruleOpacityInactive());
else
(*it)->setOpacity(options->translucentInactiveWindows && !((*it)->keepAbove() && options->keepAboveAsActive), options->inactiveWindowOpacity);
}
}
}
}

4
twin/client.h
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@ -302,6 +302,7 @@ class Client : public TQObject, public KDecorationDefines
void killWindow();
void suspendWindow();
void resumeWindow();
bool queryUserSuspendedResume();
void maximize( MaximizeMode );
void toggleShade();
void showContextHelp();
@ -383,6 +384,7 @@ class Client : public TQObject, public KDecorationDefines
private slots:
void pingTimeout();
void processKillerExited();
void processResumerExited();
void demandAttentionKNotify();
void drawShadow();
void drawShadowAfter(Client *after);
@ -560,6 +562,7 @@ class Client : public TQObject, public KDecorationDefines
Layer in_layer;
TQTimer* ping_timer;
KProcess* process_killer;
KProcess* process_resumer;
Time ping_timestamp;
Time user_time;
unsigned long allowed_actions;
@ -598,6 +601,7 @@ class Client : public TQObject, public KDecorationDefines
TQTimer* demandAttentionKNotifyTimer;
friend bool performTransiencyCheck();
bool minimized_before_suspend;
};
// helper for Client::postponeGeometryUpdates() being called in pairs (true/false)

6
twin/manage.cpp
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@ -538,6 +538,12 @@ bool Client::manage( Window w, bool isMapped )
workspace()->discardUsedWindowRules( this, false ); // remove ApplyNow rules
updateWindowRules(); // was blocked while !isManaged()
// Handle suspended processes
if (isResumeable())
{
suspendWindow(); // It won't hurt to stop the process again, and this will update the displayed captions
}
// TODO there's a small problem here - isManaged() depends on the mapping state,
// but this client is not yet in Workspace's client list at this point, will
// be only done in addClient()

8
twin/useractions.cpp
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@ -68,10 +68,10 @@ TQPopupMenu* Workspace::clientPopup()
advanced_popup->insertItem( i18n("Shad&ow"), Options::ShadowOp );
advanced_popup->insertItem( SmallIconSet("key_bindings"),
i18n("Window &Shortcut...")+'\t'+keys->shortcut("Setup Window Shortcut").seq(0).toString(), Options::SetupWindowShortcutOp );
// FIXME
// Uncomment these actions when twin can handle suspended applications in a user friendly manner
// advanced_popup->insertItem( SmallIconSet( "suspend" ), i18n("&Suspend Application"), Options::SuspendWindowOp );
// advanced_popup->insertItem( SmallIconSet( "exec" ), i18n("&Resume Application"), Options::ResumeWindowOp );
advanced_popup->insertSeparator();
advanced_popup->insertItem( SmallIconSet( "suspend" ), i18n("&Suspend Application"), Options::SuspendWindowOp );
advanced_popup->insertItem( SmallIconSet( "exec" ), i18n("&Resume Application"), Options::ResumeWindowOp );
advanced_popup->insertSeparator();
advanced_popup->insertItem( SmallIconSet( "wizard" ), i18n("&Special Window Settings..."), Options::WindowRulesOp );
advanced_popup->insertItem( SmallIconSet( "wizard" ), i18n("&Special Application Settings..."), Options::ApplicationRulesOp );

1
twin/workspace.h
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@ -647,6 +647,7 @@ class Workspace : public TQObject, public KWinInterface, public KDecorationDefin
Window null_focus_window;
bool forced_global_mouse_grab;
friend class StackingUpdatesBlocker;
friend class Client;
//kompmgr
TQSlider *transSlider;

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