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tdebase/kcontrol/background/bgadvanced.cpp

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/* vi: ts=8 sts=4 sw=4
This file is part of the KDE project, module kcmbackground.
Copyright (C) 1999 Geert Jansen <g.t.jansen@stud.tue.nl>
Copyright (C) 2003 Waldo Bastian <bastian@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tqbuttongroup.h>
#include <tqcheckbox.h>
#include <tqheader.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqlineedit.h>
#include <tqcombobox.h>
#include <tqpushbutton.h>
#include <tqslider.h>
#include <tqspinbox.h>
#include <tqwhatsthis.h>
#include <kconfig.h>
#include <kcolorbutton.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kpixmap.h>
#include <kstandarddirs.h>
#include <twin.h>
#include "bgrender.h"
#include "bgadvanced.h"
#include "bgadvanced_ui.h"
#include <X11/Xlib.h>
/**** BGAdvancedDialog ****/
static TQCString desktopConfigname()
{
int desktop=0;
if (tqt_xdisplay())
desktop = DefaultScreen(tqt_xdisplay());
TQCString name;
if (desktop == 0)
name = "kdesktoprc";
else
name.sprintf("kdesktop-screen-%drc", desktop);
return name;
}
BGAdvancedDialog::BGAdvancedDialog(KBackgroundRenderer *_r,
TQWidget *parent,
bool m_multidesktop)
: KDialogBase(parent, "BGAdvancedDialog",
true, i18n("Advanced Background Settings"),
Ok | Cancel, Ok, true),
r(_r)
{
dlg = new BGAdvancedBase(this);
setMainWidget(dlg);
dlg->m_listPrograms->header()->setStretchEnabled ( true, 1 );
dlg->m_listPrograms->setAllColumnsShowFocus(true);
connect(dlg->m_listPrograms, TQT_SIGNAL(clicked(TQListViewItem *)),
TQT_SLOT(slotProgramItemClicked(TQListViewItem *)));
// Load programs
TQStringList lst = KBackgroundProgram::list();
TQStringList::Iterator it;
for (it=lst.begin(); it != lst.end(); ++it)
addProgram(*it);
if (m_multidesktop)
{
TDEConfig cfg(desktopConfigname(), false, false);
cfg.setGroup( "General" );
if (!cfg.readBoolEntry( "Enabled", true ))
{
dlg->m_groupIconText->hide();
}
dlg->m_spinCache->setSteps(512, 1024);
dlg->m_spinCache->setRange(0, 40960);
dlg->m_spinCache->setSpecialValueText(i18n("Unlimited"));
dlg->m_spinCache->setSuffix(i18n(" KB"));
connect(dlg->m_buttonAdd, TQT_SIGNAL(clicked()),
TQT_SLOT(slotAdd()));
connect(dlg->m_buttonRemove, TQT_SIGNAL(clicked()),
TQT_SLOT(slotRemove()));
connect(dlg->m_buttonModify, TQT_SIGNAL(clicked()),
TQT_SLOT(slotModify()));
connect(dlg->m_listPrograms, TQT_SIGNAL(doubleClicked(TQListViewItem *)),
TQT_SLOT(slotProgramItemDoubleClicked(TQListViewItem *)));
}
else
{
dlg->m_buttonAdd->hide();
dlg->m_buttonRemove->hide();
dlg->m_buttonModify->hide();
dlg->m_groupIconText->hide();
dlg->m_groupCache->hide();
}
connect( dlg->m_cbProgram, TQT_SIGNAL(toggled(bool)),
TQT_SLOT(slotEnableProgram(bool)));
m_backgroundMode = m_oldBackgroundMode = r->backgroundMode();
if (m_oldBackgroundMode == KBackgroundSettings::Program)
m_oldBackgroundMode = KBackgroundSettings::Flat;
dlg->adjustSize();
updateUI();
}
void BGAdvancedDialog::makeReadOnly()
{
dlg->m_cbProgram->setEnabled(false);
dlg->m_listPrograms->setEnabled(false);
}
void BGAdvancedDialog::setCacheSize(int s)
{
dlg->m_spinCache->setValue(s);
}
int BGAdvancedDialog::cacheSize()
{
return dlg->m_spinCache->value();
}
TQColor BGAdvancedDialog::textColor()
{
return dlg->m_colorText->color();
}
void BGAdvancedDialog::setTextColor(const TQColor &color)
{
dlg->m_colorText->setColor(color);
}
TQColor BGAdvancedDialog::textBackgroundColor()
{
return dlg->m_cbSolidTextBackground->isChecked() ?
dlg->m_colorTextBackground->color() : TQColor();
}
void BGAdvancedDialog::setTextBackgroundColor(const TQColor &color)
{
dlg->m_colorTextBackground->blockSignals(true);
dlg->m_cbSolidTextBackground->blockSignals(true);
if (color.isValid())
{
dlg->m_cbSolidTextBackground->setChecked(true);
dlg->m_colorTextBackground->setColor(color);
dlg->m_colorTextBackground->setEnabled(true);
}
else
{
dlg->m_cbSolidTextBackground->setChecked(false);
dlg->m_colorTextBackground->setColor(Qt::white);
dlg->m_colorTextBackground->setEnabled(false);
}
dlg->m_colorTextBackground->blockSignals(false);
dlg->m_cbSolidTextBackground->blockSignals(false);
}
bool BGAdvancedDialog::shadowEnabled()
{
return dlg->m_cbShadow->isChecked();
}
void BGAdvancedDialog::setShadowEnabled(bool enabled)
{
dlg->m_cbShadow->setChecked(enabled);
}
void BGAdvancedDialog::setTextLines(int lines)
{
dlg->m_spinTextLines->setValue(lines);
}
int BGAdvancedDialog::textLines() const
{
return dlg->m_spinTextLines->value();
}
void BGAdvancedDialog::setTextWidth(int width)
{
dlg->m_spinTextWidth->setValue(width);
}
int BGAdvancedDialog::textWidth() const
{
return dlg->m_spinTextWidth->value();
}
void BGAdvancedDialog::updateUI()
{
TQString prog = r->KBackgroundProgram::name();
dlg->m_cbProgram->blockSignals(true);
if ((r->backgroundMode() == KBackgroundSettings::Program)
&& !prog.isEmpty())
{
dlg->m_cbProgram->setChecked(true);
dlg->m_listPrograms->setEnabled(true);
dlg->m_buttonAdd->setEnabled(true);
dlg->m_buttonRemove->setEnabled(true);
dlg->m_buttonModify->setEnabled(true);
selectProgram(prog);
}
else
{
dlg->m_cbProgram->setChecked(false);
dlg->m_listPrograms->setEnabled(false);
dlg->m_buttonAdd->setEnabled(false);
dlg->m_buttonRemove->setEnabled(false);
dlg->m_buttonModify->setEnabled(false);
}
dlg->m_cbProgram->blockSignals(false);
}
void BGAdvancedDialog::removeProgram(const TQString &name)
{
if (m_programItems.find(name))
{
delete m_programItems[name];
m_programItems.remove(name);
}
}
void BGAdvancedDialog::addProgram(const TQString &name)
{
removeProgram(name);
KBackgroundProgram prog(name);
if (prog.command().isEmpty() || (prog.isGlobal() && !prog.isAvailable()))
return;
TQListViewItem *item = new TQListViewItem(dlg->m_listPrograms);
item->setText(0, prog.name());
item->setText(1, prog.comment());
item->setText(2, i18n("%1 min.").arg(prog.refresh()));
m_programItems.insert(name, item);
}
void BGAdvancedDialog::selectProgram(const TQString &name)
{
if (m_programItems.find(name))
{
TQListViewItem *item = m_programItems[name];
dlg->m_listPrograms->ensureItemVisible(item);
dlg->m_listPrograms->setSelected(item, true);
m_selectedProgram = name;
}
}
void BGAdvancedDialog::slotAdd()
{
KProgramEditDialog dlg;
dlg.exec();
if (dlg.result() == TQDialog::Accepted)
{
TQString program = dlg.program();
addProgram(program);
selectProgram(program);
}
}
void BGAdvancedDialog::slotRemove()
{
if (m_selectedProgram.isEmpty())
return;
KBackgroundProgram prog(m_selectedProgram);
if (prog.isGlobal())
{
KMessageBox::sorry(this,
i18n("Unable to remove the program: the program is global "
"and can only be removed by the system administrator."),
i18n("Cannot Remove Program"));
return;
}
if (KMessageBox::warningContinueCancel(this,
i18n("Are you sure you want to remove the program `%1'?")
.arg(prog.name()),
i18n("Remove Background Program"),
i18n("&Remove")) != KMessageBox::Continue)
return;
prog.remove();
removeProgram(m_selectedProgram);
m_selectedProgram = TQString::null;
}
/*
* Modify a program.
*/
void BGAdvancedDialog::slotModify()
{
if (m_selectedProgram.isEmpty())
return;
KProgramEditDialog dlg(m_selectedProgram);
dlg.exec();
if (dlg.result() == TQDialog::Accepted)
{
TQString program = dlg.program();
if (program != m_selectedProgram)
{
KBackgroundProgram prog(m_selectedProgram);
prog.remove();
removeProgram(m_selectedProgram);
}
addProgram(dlg.program());
selectProgram(dlg.program());
}
}
void BGAdvancedDialog::slotProgramItemClicked(TQListViewItem *item)
{
if (item)
m_selectedProgram = item->text(0);
slotProgramChanged();
}
void BGAdvancedDialog::slotProgramItemDoubleClicked(TQListViewItem *item)
{
slotProgramItemClicked(item);
slotModify();
}
void BGAdvancedDialog::slotProgramChanged()
{
if (dlg->m_cbProgram->isChecked() && !m_selectedProgram.isEmpty())
m_backgroundMode = KBackgroundSettings::Program;
else
m_backgroundMode = m_oldBackgroundMode;
}
void BGAdvancedDialog::slotEnableProgram(bool b)
{
dlg->m_listPrograms->setEnabled(b);
if (b)
{
dlg->m_listPrograms->blockSignals(true);
TQListViewItem *cur = dlg->m_listPrograms->currentItem();
dlg->m_listPrograms->setSelected(cur, true);
dlg->m_listPrograms->ensureItemVisible(cur);
dlg->m_listPrograms->blockSignals(false);
slotProgramItemClicked(cur);
}
else
{
slotProgramChanged();
}
}
TQString BGAdvancedDialog::backgroundProgram() const
{
return m_selectedProgram;
}
int BGAdvancedDialog::backgroundMode() const
{
return m_backgroundMode;
}
/**** KProgramEditDialog ****/
KProgramEditDialog::KProgramEditDialog(const TQString &program, TQWidget *parent, char *name)
: KDialogBase(parent, name, true, i18n("Configure Background Program"),
Ok | Cancel, Ok, true)
{
TQFrame *frame = makeMainWidget();
TQGridLayout *grid = new TQGridLayout(frame, 6, 2, 0, spacingHint());
grid->addColSpacing(1, 300);
TQLabel *lbl = new TQLabel(i18n("&Name:"), frame);
grid->addWidget(lbl, 0, 0);
m_NameEdit = new TQLineEdit(frame);
lbl->setBuddy(m_NameEdit);
grid->addWidget(m_NameEdit, 0, 1);
lbl = new TQLabel(i18n("Co&mment:"), frame);
grid->addWidget(lbl, 1, 0);
m_CommentEdit = new TQLineEdit(frame);
lbl->setBuddy(m_CommentEdit);
grid->addWidget(m_CommentEdit, 1, 1);
lbl = new TQLabel(i18n("Comman&d:"), frame);
grid->addWidget(lbl, 2, 0);
m_CommandEdit = new TQLineEdit(frame);
lbl->setBuddy(m_CommandEdit);
grid->addWidget(m_CommandEdit, 2, 1);
lbl = new TQLabel(i18n("&Preview cmd:"), frame);
grid->addWidget(lbl, 3, 0);
m_PreviewEdit = new TQLineEdit(frame);
lbl->setBuddy(m_PreviewEdit);
grid->addWidget(m_PreviewEdit, 3, 1);
lbl = new TQLabel(i18n("&Executable:"), frame);
grid->addWidget(lbl, 4, 0);
m_ExecEdit = new TQLineEdit(frame);
lbl->setBuddy(m_ExecEdit);
grid->addWidget(m_ExecEdit, 4, 1);
lbl = new TQLabel(i18n("&Refresh time:"), frame);
grid->addWidget(lbl, 5, 0);
m_RefreshEdit = new TQSpinBox(frame);
m_RefreshEdit->setRange(5, 60);
m_RefreshEdit->setSteps(5, 10);
m_RefreshEdit->setSuffix(i18n(" min"));
m_RefreshEdit->setFixedSize(m_RefreshEdit->sizeHint());
lbl->setBuddy(m_RefreshEdit);
grid->addWidget(m_RefreshEdit, 5, 1, Qt::AlignLeft);
m_Program = program;
if (m_Program.isEmpty()) {
KBackgroundProgram prog(i18n("New Command"));
int i = 1;
while (!prog.command().isEmpty())
prog.load(i18n("New Command <%1>").arg(i++));
m_NameEdit->setText(prog.name());
m_NameEdit->setSelection(0, 100);
m_RefreshEdit->setValue(15);
return;
}
// Fill in the fields
m_NameEdit->setText(m_Program);
KBackgroundProgram prog(m_Program);
m_CommentEdit->setText(prog.comment());
m_ExecEdit->setText(prog.executable());
m_CommandEdit->setText(prog.command());
m_PreviewEdit->setText(prog.previewCommand());
m_RefreshEdit->setValue(prog.refresh());
}
TQString KProgramEditDialog::program()const
{
return m_NameEdit->text();
}
void KProgramEditDialog::slotOk()
{
TQString s = m_NameEdit->text();
if (s.isEmpty()) {
KMessageBox::sorry(this, i18n("You did not fill in the `Name' field.\n"
"This is a required field."));
return;
}
KBackgroundProgram prog(s);
if ((s != m_Program) && !prog.command().isEmpty()) {
int ret = KMessageBox::warningContinueCancel(this,
i18n("There is already a program with the name `%1'.\n"
"Do you want to overwrite it?").arg(s),TQString::null,i18n("Overwrite"));
if (ret != KMessageBox::Continue)
return;
}
if (m_ExecEdit->text().isEmpty()) {
KMessageBox::sorry(this, i18n("You did not fill in the `Executable' field.\n"
"This is a required field."));
return;
}
if (m_CommandEdit->text().isEmpty()) {
KMessageBox::sorry(this, i18n("You did not fill in the `Command' field.\n"
"This is a required field."));
return;
}
prog.setComment(m_CommentEdit->text());
prog.setExecutable(m_ExecEdit->text());
prog.setCommand(m_CommandEdit->text());
prog.setPreviewCommand(m_PreviewEdit->text());
prog.setRefresh(m_RefreshEdit->value());
prog.writeSettings();
accept();
}
#include "bgadvanced.moc"