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authorzecke <zecke>2005-03-06 13:51:06 (UTC)
committer zecke <zecke>2005-03-06 13:51:06 (UTC)
commitfe51b2ed0ec3bccbcac880623123d2abc5d71a4e (patch) (side-by-side diff)
tree43d81f88823b8610c906d97418895379e45f7ae8
parentb9360499c5f84ab53e080861e0292a70e446f5e4 (diff)
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Do not switch mode in the eventFilter when we're forced into one mode
(alwin thank you for noticing)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opieui/big-screen/owidgetstack.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/libopie2/opieui/big-screen/owidgetstack.cpp b/libopie2/opieui/big-screen/owidgetstack.cpp
index b14a643..00194b4 100644
--- a/libopie2/opieui/big-screen/owidgetstack.cpp
+++ b/libopie2/opieui/big-screen/owidgetstack.cpp
@@ -1,440 +1,440 @@
/*
               =. This file is part of the OPIE Project
-             .=l. Copyright (c) 2003 hOlgAr <zecke@handhelds.org>
+             .=l. Copyright (c) 2003,2004,2005 Holger Hans Peter Freyther <zecke@handhelds.org>
           .>+-=
 _;:,     .>    :=|. This library is free software; you can
.> <`_,   >  .   <= redistribute it and/or modify it under
:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> Foundation; either version 2 of the License,
     ._= =}       : or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s. 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "owidgetstack.h"
/* OPIE */
#include <opie2/odebug.h>
/* QT */
#include <qapplication.h>
#include <qwidgetstack.h>
namespace Opie {
namespace Ui {
const int mode_size = 330;
/**
* This is the standard widget. For simple usage see the example. Normally this widget
* is the central widget of a QMainWindow.
* Use removeWidget before you delete a widget yourself. OWidgetStack does not
* yet recognize removal of children.
*
* @param parent The parent widget. It maybe 0 but then you need to take care of deletion.
* Or you use QPEApplication::showMainWidget().
* @param name Name will be passed on to QObject
* @param fl Additional window flags passed to QFrame. see @Qt::WFlags
*/
OWidgetStack::OWidgetStack( QWidget* parent, const char* name, WFlags fl)
: QFrame( parent, name, fl )
{
m_last = m_mWidget = 0;
m_forced = false;
QApplication::desktop()->installEventFilter( this );
setFontPropagation ( AllChildren );
setPalettePropagation( AllChildren );
/* sets m_mode and initializes more */
/* if you change this call change switchTop as well */
m_stack = 0;
switchStack();
}
/**
* The destructor. It deletes also all added widgets.
*
*/
OWidgetStack::~OWidgetStack() {
if (m_mode == BigScreen && !m_list.isEmpty() ) {
QMap<int, QWidget*>::Iterator it = m_list.begin();
for ( ; it != m_list.end(); ++it )
delete it.data();
}
m_list.clear();
}
/**
* return the mode of the desktop. There are currently two modes. SmallScreen
* with a normal PDA resolution and BigScreen with resolutions greater than
* 330 for width and height.
* You can also force the mode this widget is in with forceMode()
* Note that NoForce will be never returned from here
*/
enum OWidgetStack::Mode OWidgetStack::mode()const {
return m_mode;
}
/**
* You can also force one of the modes and then
* this widget stops on listening to size changes. You
* can revert to the scanning behaviour by setting mode
* to NoForce
*/
void OWidgetStack::forceMode( enum Mode mode) {
m_forced = mode != NoForce;
/* we need to see which mode we're in */
if (!m_forced ) {
if ( QApplication::desktop()->width() >=
mode_size )
mode = BigScreen;
else
mode = SmallScreen;
}
switch( mode ) {
case NoForce:
case SmallScreen:
switchStack();
break;
case BigScreen:
switchTop();
break;
}
m_mode = mode;
}
/**
* Adds a widget to the stack. The first widget added is considered
* to be the mainwindow. This is important because if Opie is in
* BigScreen mode the sizeHint of the MainWindow will be returned.
* In Small Screen the sizeHint of the QWidgetStack is returned.
* See QWidgetStack::sizeHint.
* This widget takes ownership of the widget and may even reparent.
* All windows will be hidden
*
* @param wid The QWidget to be added
* @param id An ID for the Widget. If the ID is duplicated the
last set widget will be related to the id
*
*/
void OWidgetStack::addWidget( QWidget* wid, int id) {
if (!wid)
return;
/* set our main widget */
if (!m_mWidget)
m_mWidget = wid;
m_list.insert( id, wid );
/**
* adding does not raise any widget
* But for our mainwidget we prepare
* the right position with the right parent
*/
if (m_mode == SmallScreen )
m_stack->addWidget( wid,id );
else if ( m_mWidget == wid ) {
wid->reparent(this, 0, contentsRect().topLeft() );
wid->hide();
}else {
wid->reparent(0, WType_TopLevel, QPoint(10, 10) );
wid->hide();
}
}
/**
* Remove the widget from the stack it'll be reparented to 0
* and ownership is dropped. You need to delete it.
* If the removed widget was the mainwindow consider
* to call setMainWindow.
*
* @param wid The QWidget to be removed
*/
void OWidgetStack::removeWidget( QWidget* wid) {
if (!wid)
return;
if (m_mode == SmallScreen )
m_stack->removeWidget( wid );
wid->reparent(0, 0, QPoint(0, 0) );
m_list.remove( id(wid) );
if ( wid == m_mWidget )
m_mWidget = 0;
}
#if 0
/**
* @internal_resons
*/
QSizeHint OWidgetStack::sizeHint()const {
}
/**
* @internal_reasons
*/
QSizeHint OWidgetStack::minimumSizeHint()const {
}
#endif
/**
* This function tries to find the widget with the id.
* You supplied a possible id in addWIdget. Note that not
* QWidget::winId() is used.
*
* @param id The id to search for
*
* @return The widget or null
* @see addWidget
*/
QWidget* OWidgetStack::widget( int id) const {
return m_list[id];
}
/**
* Tries to find the assigned id for the widget
* or returns -1 if no widget could be found
* @param wid The widget to look for
*/
int OWidgetStack::id( QWidget* wid)const{
if (m_list.isEmpty() )
return -1;
QMap<int, QWidget*>::ConstIterator it = m_list.begin();
for ( ; it != m_list.end(); ++it )
if ( it.data() == wid )
break;
/* if not at the end return the key */
return it == m_list.end() ? -1 : it.key();
}
/**
* This function returns the currently visible
* widget. In BigScreen mode the mainwindow
* is returned
*/
QWidget* OWidgetStack::visibleWidget()const {
if (m_mode == SmallScreen )
return m_stack->visibleWidget();
else
return m_mWidget;
}
/**
* This method raises the widget wit the specefic id.
* Note that in BigScreen mode the widget is made visible
* but the other ( previous) visible widget(s) will not
* be made invisible. If you need this use hideWidget().
*
* @param id Raise the widget with id
*/
void OWidgetStack::raiseWidget( int id) {
return raiseWidget( widget( id ) );
}
/**
* This is an overloaded function and only differs in its parameters.
* @see raiseWidget( int )
*/
void OWidgetStack::raiseWidget( QWidget* wid) {
m_last = wid;
if (m_mode == SmallScreen )
m_stack->raiseWidget( wid );
else {
int ide;
emit aboutToShow( wid );
/* if someone is connected and the widget is actually available */
if ( receivers( SIGNAL(aboutToShow(int) ) ) &&
( (ide = id( wid ) ) != -1 ) )
emit aboutToShow( ide );
/* ### FIXME PLACE THE WIDGET right */
wid->show();
}
}
/**
* This will hide the currently visible widget
* and raise the widget specified by the parameter.
* Note that this method does not use visibleWIdget but remembers
* the last raisedWidget
*/
void OWidgetStack::hideWidget( int id) {
/* hiding our main widget wouldn't be smart */
if ( m_mode == BigScreen && m_last != m_mWidget )
m_last->hide();
raiseWidget( id );
}
/**
* This is overloaded and only differs in the parameters
* it takes.
*/
void OWidgetStack::hideWidget( QWidget* wid) {
/* still not smart */
if ( m_mode == BigScreen && m_last != m_mWidget )
m_last->hide();
raiseWidget( wid );
}
bool OWidgetStack::eventFilter( QObject* obj, QEvent* e) {
- if ( e->type() == QEvent::Resize ) {
+ if ( e->type() == QEvent::Resize && !m_forced ) {
QResizeEvent *res = static_cast<QResizeEvent*>( e );
QSize size = res->size();
if ( size.width() >= mode_size )
switchTop();
else
switchStack();
}
return false;
}
/**
* @internal_resons
*/
void OWidgetStack::resizeEvent( QResizeEvent* ev ) {
QFrame::resizeEvent( ev );
if (m_mode == SmallScreen )
m_stack->setGeometry( frameRect() );
else
if (m_mWidget )
m_mWidget->setGeometry( frameRect() );
}
/**
* setMainWindow gives the OWidgetStack a hint which
* window should always stay inside the stack.
* Normally the first added widget is considered to be
* the mainwindow but you can change this with this
* function.
* If in BigScreen mode the current mainwindow will be reparented
* and hidden. The position will be taken by the new one.
* If the old MainWindow was hidden the new window will
* also be hidden. If the window was visible the new mainwindow
* will be made visible too and the old one hidden. If there
* was no mainwindow it will be hidden as well.
*
* @param wid The new mainwindow
*/
void OWidgetStack::setMainWindow( QWidget* wid ) {
if (m_mode == BigScreen ) {
bool wasVisible = false;
if (m_mWidget ) {
wasVisible = !m_mWidget->isHidden();
/* hidden by default */
m_mWidget->reparent(0, WType_TopLevel, QPoint(10, 10) );
}
wid->reparent(this, 0, frameRect().topLeft() );
if (wasVisible)
wid->show();
}
m_mWidget = wid;
}
/**
* this is an overloaded member and only differs
* in the type of arguments.
* @see setMainWindow(QWidget*)
*/
void OWidgetStack::setMainWindow( int id) {
setMainWindow( widget( id ) );
}
/*
* this function switches to a stack ;)
*/
void OWidgetStack::switchStack() {
if (m_stack ) {
m_stack->setGeometry( frameRect() );
return;
}
m_mode = SmallScreen;
m_stack = new QWidgetStack(this);
connect(m_stack, SIGNAL(aboutToShow(QWidget*) ),
this, SIGNAL(aboutToShow(QWidget*) ) );
connect(m_stack, SIGNAL(aboutToShow(int) ),
this, SIGNAL(aboutToShow(int) ) );
/* now reparent the widgets... luckily QWidgetSatck does most of the work */
if (m_list.isEmpty() )
return;
QMap<int, QWidget*>::Iterator it = m_list.begin();
for ( ; it != m_list.end(); ++it )
m_stack->addWidget( it.data(), it.key() );
}
/*
* we will switch to top level mode
* reparent the list of widgets and then delete the stack
*/
void OWidgetStack::switchTop() {
m_mode = BigScreen;
/* this works because it is guaranteed that switchStack was called at least once*/
if (!m_stack && m_mWidget) {
m_mWidget->setGeometry( frameRect() );
return;
}else if (!m_stack)
return;
if (!m_list.isEmpty() ) {
QMap<int, QWidget*>::Iterator it = m_list.begin();
for ( ; it != m_list.end(); ++it ) {
/* better than reparenting twice */
if ( it.data() == m_mWidget ) {
m_mWidget->reparent(this, 0, frameRect().topLeft() );
m_mWidget->setGeometry( frameRect() );
m_mWidget->show();
}else
/* ### FIXME we need to place the widget better */
it.data()->reparent(0, WType_TopLevel, QPoint(10, 10) );
}
}
delete m_stack;
m_stack = 0;
}
}
}