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ResourceBrowser: preview resource while holding down mouse button

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Use our ResourcePreviewer object to actually playback preview sounds
while holding down mouse button.

Signed-off-by: Tobias Doerffel <tobias.doerffel@gmail.com>
This commit is contained in:
Tobias Doerffel
2009-06-11 00:32:58 +02:00
parent d11bf48891
commit 7d0facf78d
2 changed files with 47 additions and 12 deletions
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13
include/ResourceBrowser.h
View File

@@ -26,12 +26,13 @@
#ifndef _RESOURCE_BROWSER_H
#define _RESOURCE_BROWSER_H
#include "ResourcePreviewer.h"
#include "ResourceTreeModel.h"
#include "side_bar_widget.h"
class QAction;
class QLabel;
class ResourceItem;
class ResourceTreeModel;
class ResourceTreeView;
@@ -60,6 +61,8 @@ public:
private slots:
void showContextMenu( const QPoint & _pos );
void updateFilterStatus();
void startItemPreview( const QModelIndex & _idx );
void stopItemPreview( const QModelIndex & _idx );
private:
@@ -67,7 +70,13 @@ private:
QAction * m_actions[NumActions];
ResourceTreeModel * m_treeModel;
// the object that will preview individual resources
ResourcePreviewer m_previewer;
// our tree model on-top of a ResourceDB
ResourceTreeModel m_treeModel;
// a view for the tree model
ResourceTreeView * m_treeView;
QLabel * m_filterStatusLabel;

46
src/gui/ResourceBrowser.cpp
View File

@@ -70,11 +70,11 @@ static ActionDesc resourceBrowserActions[] =
ResourceBrowser::ResourceBrowser( QWidget * _parent ) :
sideBarWidget( tr( "Resource Browser" ),
embed::getIconPixmap( "resource_browser" ),
_parent )
_parent ),
m_previewer(),
m_treeModel( engine::resourceProvider()->database() )
{
// create a model which represents our database as a tree
m_treeModel = new ResourceTreeModel(
engine::resourceProvider()->database() );
// create filter UI
QHBoxLayout * filterLayout = new QHBoxLayout;
@@ -91,7 +91,7 @@ ResourceBrowser::ResourceBrowser( QWidget * _parent ) :
filterLayout->addWidget( m_filterStatusLabel );
// create an according tree-view for our tree-model
m_treeView = new ResourceTreeView( m_treeModel, contentParent() );
m_treeView = new ResourceTreeView( &m_treeModel, contentParent() );
// set up context menu handling
m_treeView->setContextMenuPolicy( Qt::CustomContextMenu );
@@ -99,6 +99,14 @@ ResourceBrowser::ResourceBrowser( QWidget * _parent ) :
SIGNAL( customContextMenuRequested( const QPoint & ) ),
this, SLOT( showContextMenu( const QPoint & ) ) );
// track mouse press and release events
connect( m_treeView,
SIGNAL( pressed( const QModelIndex & ) ),
this, SLOT( startItemPreview( const QModelIndex & ) ) );
connect( m_treeView,
SIGNAL( clicked( const QModelIndex & ) ),
this, SLOT( stopItemPreview( const QModelIndex & ) ) );
// add widgets/layouts to us (we're a SideBarWidget)
addContentLayout( filterLayout );
addContentWidget( m_treeView );
@@ -109,11 +117,11 @@ ResourceBrowser::ResourceBrowser( QWidget * _parent ) :
m_treeView, SLOT( setFilter( const QString & ) ) );
connect( filterEdit, SIGNAL( textChanged( const QString & ) ),
this, SLOT( updateFilterStatus() ) );
connect( m_treeModel, SIGNAL( itemsChanged() ),
connect( &m_treeModel, SIGNAL( itemsChanged() ),
this, SLOT( updateFilterStatus() ) );
// setup actions to be used in context menu
for( int i = 0;i < (int) ( sizeof( resourceBrowserActions ) /
for( int i = 0; i < (int) ( sizeof( resourceBrowserActions ) /
sizeof( ActionDesc ) ); ++i )
{
Actions a = resourceBrowserActions[i].action;
@@ -135,7 +143,6 @@ ResourceBrowser::ResourceBrowser( QWidget * _parent ) :
ResourceBrowser::~ResourceBrowser()
{
delete m_treeView;
delete m_treeModel;
}
@@ -153,7 +160,7 @@ void ResourceBrowser::showContextMenu( const QPoint & _pos )
// construct menu depending on selected item
QMenu m;
ResourceItem * item = m_treeModel->item( idx );
ResourceItem * item = m_treeModel.item( idx );
switch( item->type() )
{
case ResourceItem::TypeSample:
@@ -210,11 +217,30 @@ void ResourceBrowser::showContextMenu( const QPoint & _pos )
void ResourceBrowser::startItemPreview( const QModelIndex & _idx )
{
if( _idx.isValid() )
{
m_previewer.preview( m_treeModel.item( _idx ) );
}
}
void ResourceBrowser::stopItemPreview( const QModelIndex & _idx )
{
m_previewer.stopPreview();
}
void ResourceBrowser::updateFilterStatus()
{
m_filterStatusLabel->setText( QString( "%1/%2" ).
arg( m_treeModel->shownItems() ).
arg( m_treeModel->totalItems() ) );
arg( m_treeModel.shownItems() ).
arg( m_treeModel.totalItems() ) );
}