代码如下：
channel_select_page.h:
#ifndef __CHANNEL_SELECT_PAGE_H__
#define __CHANNEL_SELECT_PAGE_H__
#include <QWidget>
//#include "gui_event_button.cpp"
//#include <QMenu>
//#include <QLabel>
class Event_button;
class QMenu;
class QLabel;
#define LOGO_WIDTH 136
#define LOGO_HEIGHT 24
class Ch_select_page : public QWidget
{
// Q_OBJECT
public:
Ch_select_page(QWidget *parent = 0);
void set_background(const char *file_path);
void set_logo(const char *file_path);
public slots:
void menu_show(bool toggled);
private:
QLabel *logo;
Event_button *menu_button;
QMenu *start;
void create_menu();
};
#endif
channel_select_page.cpp:
#include "channel_select_page.h"
#include "gui_event_button.h"
#include <QtGui>
//#include <iostream>
//using namespace std;
Ch_select_page::Ch_select_page( QWidget *parent )
:QWidget(parent)
{
set_background("./ch_select_bg.png");
set_logo("./logo.png");
create_menu();
resize(240,320);
}
void Ch_select_page::set_background( const char *file_path )
{
QPalette palette;
QPixmap bg(file_path);
palette.setBrush(backgroundRole(),QBrush(bg));
setPalette(palette);
setAutoFillBackground(true);
resize(240,320);
}
void Ch_select_page::set_logo( const char *file_path )
{
logo = new QLabel(this);
logo->setPixmap(QPixmap(file_path));
logo->setGeometry(QRect(0,0,LOGO_WIDTH,LOGO_HEIGHT));
}
void Ch_select_page::menu_show(bool toggled)
{
if(toggled)
{
start->show();
}
else
start->hide();
}
void Ch_select_page::create_menu()
{
menu_button = new Event_button(QObject::tr("./start.png"),
QObject::tr("./start_onclick.png"),
this);
menu_button->setGeometry(QRect(0,296,57,19));
menu_button->set_size(62,26);
menu_button->setIconSize(QSize(62,26));
start = new QMenu(this);
start->addMenu(QObject::tr("Web Browser"));
start->exec(this->mapToGlobal(QPoint(0,280)));
start->hide();
connect(menu_button,SIGNAL(toggled(bool)),this,SLOT(menu_show(bool)));
}
gui_event_button.h:
#ifndef __GUI_EVENT_BUTTON_H__
#define __GUI_EVENT_BUTTON_H__
#include <QToolButton>
#include <QWidget>
class QHBoxLayout;
class QString;
class QIcon;
class Event_button;
class Event_button : public QToolButton
{
Q_OBJECT
public:
Event_button( QString first_icon_name = NULL,
QString second_icon_name = NULL,
QWidget *parent = NULL );
~Event_button();
void set_size( const u_int width,const u_int height );
void set_first_icon( const QString &first_icon_name );
void set_second_icon( const QString &second_icon_name );
public slots:
bool release_handle( bool checked );
bool press_handle( bool checked );
private:
QIcon *first_icon;
QIcon *second_icon;
QString first_filename;
QString second_filename;
};
class Tool_bar : public QWidget
{
public:
Tool_bar( QWidget *parent = 0 );
Event_button *channel;
Event_button *msg;
Event_button *chat;
Event_button *full_screen;
//some work should to finish to connect some action to the button
private:
QHBoxLayout *tool_bar;
};
#endif
gui_event_button.cpp:
#include "gui_event_button.h"
#include <iostream>
#include <QString>
#include <QIcon>
#include <QObject>
#include <QHBoxLayout>
Event_button::Event_button( QString first_icon_name,QString second_icon_name,QWidget *parent )
:QToolButton( parent )
{
setCheckable(true);
if ( !first_icon_name.isEmpty() )
{
std::cout<<"first_icon set first!"<<std::endl;
first_icon = new QIcon( first_icon_name );
first_filename = "";
first_filename += first_icon_name;
}
else
{
std::cout<<"NULLNULLNULLNULL"<<std::endl;
first_icon = NULL;
first_filename = "";
}
if ( !second_icon_name.isEmpty() )
{
std::cout<<"second icon set first"<<std::endl;
second_icon = new QIcon( second_icon_name );
second_filename = "";
second_filename += second_icon_name;
}
else
{
std::cout<<"NULLNULLNULLNULL"<<std::endl;
second_icon = NULL;
second_filename = "";
}
connect( this,SIGNAL( toggled(bool) ),this,SLOT( release_handle(bool) ) );
connect( this,SIGNAL( toggled(bool) ),this,SLOT( press_handle(bool) ) );
setIcon( *first_icon );
}
Event_button::~Event_button()
{
delete first_icon;
delete second_icon;
}
bool Event_button::release_handle( bool checked )
{
if ( !checked )
{
std::cout<<"release handle is invoked!"<<std::endl;
if ( this->first_filename.isEmpty() )
{
std::cout<<"first_icon is NULL"<<std::endl;
return false;
}
else
{
std::cout<<"first_icon reset"<<std::endl;
if ( first_icon != NULL )
delete first_icon;
first_icon = new QIcon( first_filename );
setIcon( *first_icon );
}
}
return true;
}
bool Event_button::press_handle( bool checked )
{
if ( checked )
{
std::cout<<"press handle is invoked!"<<std::endl;
if ( this->second_filename.isEmpty() )
{
std::cout<<"second_icon is NULL"<<std::endl;
return false;
}
else
{
std::cout<<"reset the icon"<<std::endl;
if ( second_icon != NULL )
delete second_icon;
second_icon = new QIcon( second_filename );
setIcon( *second_icon );
}
}
return true;
}
void Event_button::set_size( const u_int width,const u_int height )
{
resize(width,height);
}
void Event_button::set_first_icon( const QString &first_icon_name )
{
if ( !first_icon_name.isEmpty() )
{
delete first_icon;
first_icon = new QIcon( first_icon_name );
first_filename = first_icon_name;
}
else
{
first_icon = NULL;
first_filename = "";
}
}
void Event_button::set_second_icon( const QString &second_icon_name )
{
if ( !second_icon_name.isEmpty() )
{
delete second_icon;
second_icon = new QIcon( second_icon_name );
second_filename = second_icon_name;
}
else
{
second_icon = NULL;
second_filename = "";
}
}
/* Defination of class Tool_bar*/
Tool_bar::Tool_bar( QWidget *parent )
: QWidget( parent )
{
Event_button *channel = new Event_button( tr( "./pictures/channel_select_off.png" ),
tr("./pictures/channel_select_on.png") );
channel->setIconSize( QSize(70,25) );
channel->set_size(150,125);
Event_button *msg = new Event_button( tr("pictures/icon_msg_normal.png"),
tr( "./pictures/icon_msg_onclick.png" ) );
Event_button *chat = new Event_button( tr( "./pictures/icon_chat_normal.png" ),
tr( "./pictures/icon_chat_onclick.png" ) );
Event_button *full_screen = new Event_button(tr("./pictures/fullscreenicon_normal.png"),
tr( "./pictures/fullscreenicon_onclick.png" ));
QHBoxLayout *tool_bar = new QHBoxLayout;
tool_bar->addWidget(channel);
tool_bar->addSpacing(20);
tool_bar->addWidget(msg);
tool_bar->addWidget(chat);
tool_bar->addSpacing(20);
tool_bar->addWidget(full_screen);
setLayout(tool_bar);
setMaximumWidth(240);
setMaximumHeight(60);
setMinimumWidth(240);
setMinimumHeight(60);
//resize(240,130);
}
main.cpp:
#include <QApplication>
#include "channel_select_page.h"
int main(int argc,char *argv[])
{
QApplication app(argc,argv);
Ch_select_page a;
a.show();
return app.exec();
}
[ 此贴被XChinux在2007-03-08 09:36重新编辑 ]
