yate/clients/qt4/qt4client.h

2115 lines
65 KiB
C++

/**
* qt4client.h
* This file is part of the YATE Project http://YATE.null.ro
*
* A Qt-4 based universal telephony client
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2014 Null Team
*
* This software is distributed under multiple licenses;
* see the COPYING file in the main directory for licensing
* information for this specific distribution.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
*
* This program 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.
*/
#ifndef __QT4CLIENT_H
#define __QT4CLIENT_H
#include <yatecbase.h>
#ifdef _WINDOWS
#ifdef LIBYQT4_EXPORTS
#define YQT4_API __declspec(dllexport)
#else
#ifndef LIBYQT4_STATIC
#define YQT4_API __declspec(dllimport)
#endif
#endif
#endif /* _WINDOWS */
#ifndef YQT4_API
#define YQT4_API
#endif
#undef open
#undef read
#undef close
#undef write
#undef mkdir
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#define QT_NO_DEBUG
#define QT_DLL
#define QT_GUI_LIB
#define QT_CORE_LIB
#define QT_THREAD_SUPPORT
#include <QtGui>
#include <QSound>
namespace TelEngine {
class QtRefObjectHolder; // A QObject holding a RefPointer
class QtEventProxy; // Proxy to global QT events
class QtUrlBuilder; // QUrl builder
class QtClient; // The QT based client
class QtDriver; // The QT based telephony driver
class QtWindow; // A QT window
class QtDialog; // A custom modal dialog
class QtUIWidgetItemProps; // Widget container item properties
class QtUIWidget; // A widget container
class QtCustomObject; // A custom QT object
class QtCustomWidget; // A custom QT widget
class QtTable; // A custom QT table widget
class QtSound; // A QT client sound
class QtDragAndDrop; // Base class for Drag&Drop operations
class QtDrop; // Drop data holder
class QtListDrop; // Drop data holder for widget list items
class QtBusyWidget; // Busy widget to show over controls
// Macro used to get a QT object's name
// Can't use an inline function: the QByteArray object returned by toUtf8()
// would be destroyed on exit
#define YQT_OBJECT_NAME(qobject) ((qobject) ? (qobject)->objectName().toUtf8().constData() : "")
/**
* A QObject holding a RefPointer. Suitable to be set in QVariant
* @short A QObject holding a RefPointer
*/
class YQT4_API QtRefObjectHolder : public QObject
{
Q_CLASSINFO("QtRefObjectHolder","Yate")
Q_OBJECT
public:
/**
* Constructor
*/
inline QtRefObjectHolder()
{}
/**
* Constructor
* @param obj Object to set
*/
inline QtRefObjectHolder(RefObject* obj)
: m_refObj(obj)
{}
/**
* Copy constructor
* @param other Source object
*/
inline QtRefObjectHolder(const QtRefObjectHolder& other)
: m_refObj((RefObject*)other.m_refObj)
{}
/**
* Build a variant from RefObject
* @param obj Object to build from
* @param force True to build empty variant, false (default) to fail if obj is 0
* @return QVariant
*/
static inline QVariant setVariant(RefObject* obj, bool force = false) {
QtRefObjectHolder data(obj);
if (data.m_refObj)
return qVariantFromValue(data);
return QVariant();
}
RefPointer<RefObject> m_refObj;
};
/**
* Proxy to global QT events
* @short A QT proxy class
*/
class YQT4_API QtEventProxy : public QObject, public GenObject
{
YCLASS(QtEventProxy,GenObject)
Q_CLASSINFO("QtEventProxy","Yate")
Q_OBJECT
public:
enum Type {
Timer,
AllHidden,
};
/**
* Constructor
* @param Event type
* @param pointer to QT application when needed
*/
QtEventProxy(Type type, QApplication* app = 0);
/**
* Get a string representation of this object
* @return Object's name
*/
virtual const String& toString() const
{ return m_name; }
private slots:
void timerTick(); // Idle timer
void allHidden(); // All windows closed notification
private:
String m_name; // Object name
};
/**
* This class holds data used to build an url
* @short QUrl builder
*/
class YQT4_API QtUrlBuilder : public QObject, public GenObject
{
YCLASS(QtUrlBuilder,GenObject)
Q_CLASSINFO("QtUrlBuilder","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param parent Object parent
* @param format Format to use when building base URL
* @param queryParams Query params to add to URL
*/
QtUrlBuilder(QObject* parent, const String& format, const String& queryParams);
/**
* Destructor
*/
~QtUrlBuilder();
/**
* Build URL
* @param params URL params
* @return QUrl object
*/
virtual QUrl build(const NamedList& params) const;
protected:
String m_format;
ObjList* m_queryParams;
};
class YQT4_API QtClient : public Client
{
friend class QtWindow;
public:
/**
* Generic position flags
*/
enum QtClientPos {
PosNone = 0,
PosLeft = 0x01,
PosRight = 0x02,
PosTop = 0x04,
PosBottom = 0x08,
// Corners
CornerTopLeft = PosTop | PosLeft,
CornerTopRight = PosTop | PosRight,
CornerBottomLeft = PosBottom | PosLeft,
CornerBottomRight = PosBottom | PosRight,
};
/**
* Sorting
*/
enum Sort {
SortNone = 0,
SortAsc,
SortDesc,
};
QtClient();
virtual ~QtClient();
virtual void run();
virtual void cleanup();
virtual void main();
virtual void lock();
virtual void unlock();
virtual void allHidden();
virtual bool createWindow(const String& name,
const String& alias = String::empty());
virtual bool action(Window* wnd, const String& name, NamedList* params = 0);
virtual void quit() {
if (m_app)
m_app->quit();
Engine::halt(0);
}
/**
* Open an URL (link)
* @param url The URL to open
* @return True on success
*/
virtual bool openUrl(const String& url)
{ return QDesktopServices::openUrl(QUrl(setUtf8(url))); }
/**
* Show a file save/open dialog window. If the list of parameters contains an 'action'
* parameter, an action will be raised when the dialog will be closed. The action's
* parameter list pointer will be non 0 if the dialog was accepted and 0 if cancelled.
* The list will contain one or more 'file' parameter(s) with selected file(s)
* @param parent Dialog window's parent
* @param params Dialog window's params. Parameters that can be specified include 'caption',
* 'dir', 'filters', 'selectedfilter', 'choosefile'
* @return True on success (the dialog was opened)
*/
virtual bool chooseFile(Window* parent, NamedList& params);
/**
* Create a sound object. Append it to the global list
* @param name The name of sound object
* @param file The file to play (should contain the whole path and the file name)
* @param device Optional device used to play the file. Set to 0 to use the default one
* @return True on success, false if a sound with the given name already exists
*/
virtual bool createSound(const char* name, const char* file, const char* device = 0);
/**
* Build a date/time string from UTC time
* @param dest Destination string
* @param secs Seconds since EPOCH
* @param format Format string used to build the destination
* @param utc True to build UTC time instead of local time
* @return True on success
*/
virtual bool formatDateTime(String& dest, unsigned int secs, const char* format,
bool utc = false);
/**
* Build a date/time QT string from UTC time
* @param secs Seconds since EPOCH
* @param format Format string
* @param utc True to build UTC time instead of local time
* @return The formated string
*/
static QString formatDateTime(unsigned int secs, const char* format,
bool utc = false);
/**
* Get an UTF8 representation of a QT string
* @param dest Destination string
* @param src Source QT string
*/
static inline void getUtf8(String& dest, const QString& src)
{ dest = src.toUtf8().constData(); }
/**
* Get an UTF8 representation of a QT string and add it to a list of parameters
* @param dest Destination list
* @param param Parameter name/value
* @param src Source QT string
* @param setValue True to set the QT string as parameter value, false to set it
* as parameter name
*/
static inline void getUtf8(NamedList& dest, const char* param,
const QString& src, bool setValue = true) {
if (setValue)
dest.addParam(param,src.toUtf8().constData());
else
dest.addParam(src.toUtf8().constData(),param);
}
/**
* Get an UTF8 representation of a QT string and add it to a list of parameters if not empty
* @param dest Destination list
* @param param Parameter name/value
* @param src Source QT string
* @param setValue True to set the QT string as parameter value, false to set it
* as parameter name
*/
static inline void safeGetUtf8(NamedList& dest, const char* param,
const QString& src, bool setValue = true) {
if (src.length() > 0)
getUtf8(dest,param,src,setValue);
}
/**
* Set a QT string from an UTF8 char buffer
* @param str The buffer
* @return A QT string filled with the buffer
*/
static inline QString setUtf8(const char* str)
{ return QString::fromUtf8(TelEngine::c_safe(str)); }
/**
* Retrieve an object's QtWindow parent
* @param obj The object
* @return QtWindow pointer or 0
*/
static QtWindow* parentWindow(QObject* obj);
/**
* Set an object's property into parent window's section. Clear it on failure
* @param obj The object
* @param prop Property to save
* @param owner Optional window owning the object
* @return True on success
*/
static bool saveProperty(QObject* obj, const String& prop, QtWindow* owner = 0);
/**
* Set or an object's property
* @param obj The object
* @param name Property's name
* @param value Property's value
* @return False if the property doesn't exist or has a type not supported by String
*/
static bool setProperty(QObject* obj, const char* name, const String& value);
/**
* Get an object's property
* @param obj The object
* @param name Property's name
* @param value Property's value
* @return False if the property doesn't exist or has a type not supported by String
*/
static bool getProperty(QObject* obj, const char* name, String& value);
/**
* Get an object's property and return its boolean conversion
* @param obj The object
* @param name Property name
* @param defVal Default value to return if the property is not found or has
* invalid boolean value
* @return The boolean conversion of the property or given default value
*/
static inline bool getBoolProperty(QObject* obj, const char* name,
bool defVal = false) {
String tmp;
if (!getProperty(obj,name,tmp))
return defVal;
return tmp.toBoolean(defVal);
}
/**
* Get an object's property and return its integer conversion
* @param obj The object
* @param name Property name
* @param defVal Default value to return if the property is not found or has
* invalid integer value
* @return The integer conversion of the property or given default value
*/
static inline int getIntProperty(QObject* obj, const char* name,
int defVal = 0) {
String tmp;
if (!getProperty(obj,name,tmp))
return defVal;
return tmp.toInteger(defVal);
}
/**
* Associate actions to buttons with '_yate_setaction' property set
* @param parent Parent widget
*/
static void setAction(QWidget* parent);
/**
* Check if an object has '_yate_noautoconnect' boolean property set to true
* @param obj The object
* @return True if the object don't have the property or its value is not a boolean 'true'
*/
static inline bool autoConnect(QObject* obj)
{ return !getBoolProperty(obj,"_yate_noautoconnect"); }
/**
* Retrieve an object's identity from '_yate_identity' property or object name
* @param obj The object
* @param ident String to be filled with object identity
*/
static inline void getIdentity(QObject* obj, String& ident) {
if (obj && !(getProperty(obj,"_yate_identity",ident) && ident))
getUtf8(ident,obj->objectName());
}
/**
* Copy a string list to a list of parameters
* @param dest Destination list
* @param src Source string list
*/
static void copyParams(NamedList& dest, const QStringList& src);
/**
* Copy a list of parameters to string list
* @param dest Destination list
* @param src Source list
*/
static void copyParams(QStringList& dest, const NamedList& src);
/**
* Build QObject properties from list
* @param obj The object
* @param props Comma separated list of properties. Format: name=type
*/
static void buildProps(QObject* obj, const String& props);
/**
* Build custom UI widgets from frames owned by a widget
* @param parent Parent widget
*/
static void buildFrameUiWidgets(QWidget* parent);
/**
* Build a menu object from a list of parameters.
* Each menu item is indicated by a parameter starting with 'item:".
* item:menu_name=Menu Text will create a menu item named 'menu_name' with
* 'Menu Text' as display name.
* If the item parameter is a NamedPointer a submenu will be created.
* Menu actions properties can be set from parameters with format:
* property:object_name:property_name=value
* @param params The menu parameters. The list name is the object name
* @param text The menu display text
* @param receiver Object receiving menu actions
* @param actionSlot The receiver's slot for menu signal triggered()
* @param toggleSlot The receiver's slot for menu signal toggled()
* @param aboutToShowSlot The receiver's slot for menu signal aboutToShow()
* @param parent Optional widget parent
* @return QMenu pointer or 0 if failed to build it
*/
static QMenu* buildMenu(const NamedList& params, const char* text, QObject* receiver,
const char* actionSlot, const char* toggleSlot, QWidget* parent = 0,
const char* aboutToShowSlot = 0);
/**
* Insert a widget into another one replacing any existing children
* @param parent Parent widget
* @param child Widget to insert into parent
* @return True on success
*/
static bool setWidget(QWidget* parent, QWidget* child);
/**
* Set an object's image property from image file
* @param obj The object
* @param img Image file to load
* @param fit True to adjust the image to target size if applicable (like
* a QLabel without scaled contents)
* @return True on success
*/
static bool setImage(QObject* obj, const String& img, bool fit = true);
/**
* Set an object's image property from raw data
* @param obj The object
* @param data The image data
* @param format Image format if known
* @param fit True to adjust the image to target size if applicable (like
* a QLabel without scaled contents)
* @return True on success
*/
static bool setImage(QObject* obj, const DataBlock& data,
const String& format = String::empty(), bool fit = true);
/**
* Set an object's image property from QPixmap
* @param obj The object
* @param img The image
* @param fit True to adjust the image to target size if applicable (like
* a QLabel without scaled contents)
* @return True on success
*/
static bool setImage(QObject* obj, const QPixmap& img, bool fit = true);
/**
* Update a toggable object's image from properties
* @param obj The object
*/
static void updateToggleImage(QObject* obj);
/**
* Update an object's image from properties on mouse events
* @param obj The object
* @param inOut True for mouse enter/leave, false for mouse press/release events
* @param on True for mouse enter/press, false for mouse leave/release
*/
static void updateImageFromMouse(QObject* obj, bool inOut, bool on);
/**
* Filter key press events. Retrieve an action associated with the key.
* Check if the object is allowed to process the key
* @param obj The object
* @param event QKeyEvent event to process
* @param action Found action name
* @param filter Filter key or let the object process it
* @param parent Optional parent to look for the action and check its state
* @return True if key and modifiers were matched against object properties
* (the action parameter may be empty if true is returned and the action is disabled)
*/
static bool filterKeyEvent(QObject* obj, QKeyEvent* event, String& action,
bool& filter, QObject* parent = 0);
/**
* Wrapper for QObject::connect() used to put a debug mesage on failure
*/
static bool connectObjects(QObject* sender, const char* signal,
QObject* receiver, const char* slot);
/**
* Safely delete a QObject. Disconnect it, reset its parent, calls its deleteLater() method
* @param obj The object to delete
*/
static void deleteLater(QObject* obj);
/**
* Retrieve unavailable space position (if any) in the screen containing a given widget.
* The positions are set using the difference between screen geometry and available geometry
* @param w The widget
* @param pos Unavailable screen space if any (QtClientPos combination)
* @return Valid pointer to global desktop widget on success
*/
static QDesktopWidget* getScreenUnavailPos(QWidget* w, int& pos);
/**
* Move a window to a specified position
* @param w The window to move
* @param pos A corner position
*/
static void moveWindow(QtWindow* w, int pos);
/**
* Append a non empty string to a list if not already there
* @param list Destination list
* @param str The string to append
*/
static inline void addStrUnique(QStringList& list, QString str) {
if (str.length() > 0 && !list.contains(str))
list.append(str);
}
/**
* Append non empty strings to a list if not already there
* @param list Destination list
* @param strs Source list
*/
static void addStrListUnique(QStringList& list, QStringList src) {
for (int i = 0; i < src.size(); i++)
addStrUnique(list,src[i]);
}
/**
* Build a QStringList from a list of strings
* @param str The string
* @param sep The separator
* @param emptyOk True to process empty string items
* @return QStringList
*/
static QStringList str2list(const String& str, char sep = ',', bool emptyOk = true);
/**
* Split an integer string list
* @param str The string
* @param defVal Default value for failed items
* @param emptyOk True to process empty string items
* @return A list of integers
*/
static QList<int> str2IntList(const String& str, int defVal = 0, bool emptyOk = true);
/**
* Build a comma separated list of integers
* @param str The destination string
* @param list The source integer list
*/
static void intList2str(String& str, QList<int> list);
/**
* Get sorting from string
* @param str Sorting name
* @param defVal Default value to return if invalid
* @return Sorting as QtClientSort enumeration
*/
static int str2sort(const String& str, int defVal = SortNone);
/**
* Apply a comma separated list of window flags to a widget
* @param wid The widget
* @param str The list of flags
*/
static void applyWindowFlags(QWidget* w, const String& value);
/**
* Build a QT Alignment mask from a comma separated list of flags
* @param flags The flags list
* @param initVal Initial value for the returned mask
* @return QT Alignment mask
*/
static int str2align(const String& flags, int initVal = 0);
/**
* Retrieve QT selection mode from a string value
* @param value String value
* @param defVal Default value to return if invalid
* @return QAbstractItemView selection mode
*/
static QAbstractItemView::SelectionMode str2selmode(const String& value,
QAbstractItemView::SelectionMode defVal = QAbstractItemView::SingleSelection);
/**
* Retrieve QT edit triggers from a string value
* @param value String value
* @param defVal Default value to set if invalid
* @return QAbstractItemView edit triggers mask
*/
static QAbstractItemView::EditTriggers str2editTriggers(const String& value,
QAbstractItemView::EditTrigger defVal = QAbstractItemView::NoEditTriggers);
/**
* Send an event to an object's child. The event must be already accepted
* The event's accepted flag is set to false before sending it and restored on failure
* to avoid looping in event filters
* @param e The event to send
* @param parent The parent object
* @param name Child name
* @return True if the event was accepted by the target
*/
static bool sendEvent(QEvent& e, QObject* parent, const QString& name);
/**
* Retrieve a pixmap from global application cache.
* Load and add it to the cache if not found
* @param pixmap Destination pixmap to set
* @param file File name to retrieve or load
* @return True on success, false if failed to load
*/
static bool getPixmapFromCache(QPixmap& pixmap, const QString& file);
/**
* Retrieve a pixmap from global application cache. Add skin path to file name
* Load and add it to the cache if not found
* @param pixmap Destination pixmap to set
* @param file File name to retrieve or load
* @return True on success, false if failed to load
*/
static inline bool getSkinPathPixmapFromCache(QPixmap& pixmap, const String& file) {
if (!file)
return false;
return getPixmapFromCache(pixmap,setUtf8(s_skinPath + file));
}
/**
* Update application style sheet from config
*/
static void updateAppStyleSheet();
/**
* Set widget attributes from list
* @param w The widget
* @param attrs Comma separated list of attributes.
* To reset an attribute an item must start with '!'
*/
static void setWidgetAttributes(QWidget* w, const String& attrs);
/**
* Set a widget's height
* @param w The widget
* @param height Height value. If boolean, Increase(true)/decrease(false) widget
* height from _yate_height_delta property. Set widget height otherwise
*/
static void setWidgetHeight(QWidget* w, const String& height);
/**
* Build a busy widget child for a given widget
* @param parent Busy widget parent
* @param target Busy widget target
* @param ui UI file
* @param params Busy widget parameters
* @return Busy widget pointer or 0 on failure
*/
static QWidget* buildBusy(QWidget* parent, QWidget* target, const String& ui,
const NamedList& params);
/**
* Load a movie
* @param file Movie file
* @param parent Movie parent
* @param path File path, 0 to use client skin path
* @return QMovie pointer or 0
*/
static QMovie* loadMovie(const char* file, QObject* parent, const char* path = 0);
/**
* Fill a list from URL parameters
* @param url URL to fill
* @param list Destination list
* @param path Optional URL path, user provided URL's path if 0
* @param pathToList True to set path in list name, false to set as parameter
*/
static void fillUrlParams(const QUrl& url, NamedList& list, QString* path = 0,
bool pathToList = true);
/**
* Dump MIME data for debug purposes
* @param buf Destination buffer
* @param m MIME data to dump
*/
static void dumpMime(String& buf, const QMimeData* m);
protected:
virtual void loadWindows(const char* file = 0);
virtual bool isUIThread();
private:
QApplication* m_app;
ObjList m_events; // Proxy events objects
};
class YQT4_API QtDriver : public ClientDriver
{
public:
QtDriver(bool buildClientThread = true);
virtual ~QtDriver();
virtual void initialize();
private:
bool m_init; // Already initialized flag
bool m_clientThread; // does the client need a thread to run on?
};
class YQT4_API QtWindow : public QWidget, public Window
{
YCLASS(QtWindow, Window)
Q_CLASSINFO("QtWindow", "Yate")
Q_OBJECT
friend class QtClient;
public:
QtWindow();
QtWindow(const char* name, const char* description, const char* alias, QtWindow* parent = 0);
virtual ~QtWindow();
virtual void title(const String& text);
virtual void context(const String& text);
virtual bool setParams(const NamedList& params);
virtual void setOver(const Window* parent);
virtual bool hasElement(const String& name);
virtual bool setActive(const String& name, bool active);
virtual bool setFocus(const String& name, bool select = false);
virtual bool setShow(const String& name, bool visible);
/**
* Set the displayed text of an element in the window
* @param name Name of the element
* @param text Text value to set in the element
* @param richText True if the text contains format data
* @return True if the operation was successfull
*/
virtual bool setText(const String& name, const String& text,
bool richText = false);
virtual bool setCheck(const String& name, bool checked);
virtual bool setSelect(const String& name, const String& item);
virtual bool setUrgent(const String& name, bool urgent);
virtual bool hasOption(const String& name, const String& item);
virtual bool addOption(const String& name, const String& item, bool atStart = false, const String& text = String::empty());
virtual bool delOption(const String& name, const String& item);
virtual bool getOptions(const String& name, NamedList* items);
/**
* Append or insert text lines to a widget
* @param name The name of the widget
* @param lines List containing the lines
* @param max The maximum number of lines allowed to be displayed. Set to 0 to ignore
* @param atStart True to insert, false to append
* @return True on success
*/
virtual bool addLines(const String& name, const NamedList* lines, unsigned int max,
bool atStart = false);
virtual bool addTableRow(const String& name, const String& item, const NamedList* data = 0, bool atStart = false);
virtual bool setMultipleRows(const String& name, const NamedList& data, const String& prefix);
/**
* Insert a row into a table owned by this window
* @param name Name of the element
* @param item Name of the item to insert
* @param before Name of the item to insert before
* @param data Table's columns to set
* @return True if the operation was successfull
*/
virtual bool insertTableRow(const String& name, const String& item,
const String& before, const NamedList* data = 0);
virtual bool delTableRow(const String& name, const String& item);
virtual bool setTableRow(const String& name, const String& item, const NamedList* data);
virtual bool getTableRow(const String& name, const String& item, NamedList* data = 0);
virtual bool clearTable(const String& name);
/**
* Set a table row or add a new one if not found
* @param name Name of the element
* @param item Table item to set/add
* @param data Optional list of parameters used to set row data
* @param atStart True to add item at start, false to add them to the end
* @return True if the operation was successfull
*/
virtual bool updateTableRow(const String& name, const String& item,
const NamedList* data = 0, bool atStart = false);
/**
* Add or set one or more table row(s). Screen update is locked while changing the table.
* Each data list element is a NamedPointer carrying a NamedList with item parameters.
* The name of an element is the item to update.
* Set element's value to boolean value 'true' to add a new item if not found
* or 'false' to set an existing one. Set it to empty string to delete the item
* @param name Name of the table
* @param data The list of items to add/set/delete
* @param atStart True to add new items at start, false to add them to the end
* @return True if the operation was successfull
*/
virtual bool updateTableRows(const String& name, const NamedList* data,
bool atStart = false);
/**
* Show or hide control busy state
* @param name Name of the element
* @param on True to show, false to hide
* @return True if all the operations were successfull
*/
bool setBusy(const String& name, bool on);
/**
* Get an element's text
* @param name Name of the element
* @param text The destination string
* @param richText True to get the element's roch text if supported.
* @return True if the operation was successfull
*/
virtual bool getText(const String& name, String& text, bool richText = false);
virtual bool getCheck(const String& name, bool& checked);
virtual bool getSelect(const String& name, String& item);
/**
* Retrieve an element's multiple selection
* @param name Name of the element
* @param items List to be to filled with selection's contents
* @return True if the operation was successfull
*/
virtual bool getSelect(const String& name, NamedList& items);
/**
* Build a menu from a list of parameters.
* See Client::buildMenu() for more info
* @param params Menu build parameters
* @return True on success
*/
virtual bool buildMenu(const NamedList& params);
/**
* Remove a menu from UI and memory
* See Client::removeMenu() for more info
* @param params Menu remove parameters
* @return True on success
*/
virtual bool removeMenu(const NamedList& params);
/**
* Set an element's image
* @param name Name of the element
* @param image Image to set
* @param fit Fit image in element (defaults to false)
* @return True on success
*/
virtual bool setImage(const String& name, const String& image, bool fit = false);
/**
* Set a property for this window or for a widget owned by it
* @param name Name of the element
* @param item Property's name
* @param value Property's value
* @return False if the property doesn't exist or has a type not supported by String
*/
virtual bool setProperty(const String& name, const String& item, const String& value);
/**
* Get a property from this window or from a widget owned by it
* @param name Name of the element
* @param item Property's name
* @param value Property's value
* @return False if the property doesn't exist or has a type not supported by String
*/
virtual bool getProperty(const String& name, const String& item, String& value);
virtual void show();
virtual void hide();
virtual void size(int width, int height);
virtual void move(int x, int y);
virtual void moveRel(int dx, int dy);
virtual bool related(const Window* wnd) const;
virtual void menu(int x, int y) ;
/**
* Create a modal dialog
* @param name Dialog name (resource config section)
* @param title Dialog title
* @param alias Optional dialog alias (used as dialog object name)
* @param params Optional dialog parameters
* @return True on success
*/
virtual bool createDialog(const String& name, const String& title,
const String& alias = String::empty(), const NamedList* params = 0);
/**
* Destroy a modal dialog
* @param name Dialog name
* @return True on success
*/
virtual bool closeDialog(const String& name);
/**
* Connect an abstract button to window slots
* @param b The button to connect
* @return True on success
*/
inline bool connectButton(QAbstractButton* b) {
if (!b)
return false;
if (!b->isCheckable())
return QtClient::connectObjects(b,SIGNAL(clicked()),this,SLOT(action()));
return QtClient::connectObjects(b,SIGNAL(toggled(bool)),this,SLOT(toggled(bool)));
}
/**
* Connect an object's text changed signal to window's slot
* @param obj The object to connect
* @return True on success
*/
bool connectTextChanged(QObject* obj);
/**
* Notify text changed to the client
* @param obj The object sending the notification
* @param text Optional object text
*/
void notifyTextChanged(QObject* obj, const QString& text = QString());
/**
* Load a widget from file
* @param fileName UI filename to load
* @param parent The widget holding the loaded widget's contents
* @param uiName The loaded widget's name (used for debug)
* @param path Optional fileName path. Set to 0 to use the default one
* @return QWidget pointer or 0 on failure
*/
static QWidget* loadUI(const char* fileName, QWidget* parent,
const char* uiName, const char* path = 0);
/**
* Clear the UI cache
* @param fileName Optional UI filename to clear. Clear all if 0
*/
static void clearUICache(const char* fileName = 0);
/**
* Retrieve the parent window
* @return QtWindow pointer or 0
*/
inline QtWindow* parentWindow() const
{ return qobject_cast<QtWindow*>(parentWidget() ? parentWidget()->window() : 0); }
/**
* Check if this window is shown normal (not maximixed, minimized or full screen)
* @return True if the window is not maximixed, minimized or full screen
*/
inline bool isShownNormal() const
{ return !(isMaximized() || isMinimized() || isFullScreen()); }
protected:
// Notify client on selection changes
inline bool select(const String& name, const String& item,
const String& text = String::empty()) {
if (!QtClient::self() || QtClient::changing())
return false;
return QtClient::self()->select(this,name,item,text);
}
// Filter events to apply dynamic properties changes
bool eventFilter(QObject* watched, QEvent* event);
// Handle key pressed events
void keyPressEvent(QKeyEvent* event);
public slots:
void setVisible(bool visible);
// A widget was double clicked
void doubleClick();
// A widget's selection changed
void selectionChanged();
// Clicked actions
void action();
// Toggled actions
void toggled(bool);
// System tray actions
void sysTrayIconAction(QSystemTrayIcon::ActivationReason reason);
// Choose file window was accepted
void chooseFileAccepted();
// Choose file window was cancelled
void chooseFileRejected();
// Text changed slot. Notify the client
void textChanged(const QString& text)
{ notifyTextChanged(sender(),text); }
void textChanged()
{ notifyTextChanged(sender()); }
private slots:
void openUrl(const QString& link);
protected:
virtual void doPopulate();
virtual void doInit();
// Methods inherited from QWidget
virtual void moveEvent(QMoveEvent* event);
virtual void resizeEvent(QResizeEvent* event);
virtual bool event(QEvent* ev);
virtual void mousePressEvent(QMouseEvent* event);
virtual void mouseReleaseEvent(QMouseEvent* event);
virtual void mouseMoveEvent(QMouseEvent* event);
virtual void closeEvent(QCloseEvent* event);
virtual void changeEvent(QEvent* event);
virtual void contextMenuEvent(QContextMenuEvent* ev) {
if (handleContextMenuEvent(ev,wndWidget()))
ev->accept();
}
// Get the widget with this window's content
inline QWidget* wndWidget()
{ return findChild<QWidget*>(m_widget); }
// Handle context menu events. Return true if handled
bool handleContextMenuEvent(QContextMenuEvent* event, QObject* obj);
String m_description;
String m_oldId; // Old id used to retreive the config section in .rc
int m_x;
int m_y;
int m_width; // Client area width
int m_height; // Client area height
bool m_maximized;
bool m_mainWindow; // Main window flag: close app when this window is closed
QString m_widget; // The widget with window's content
int m_moving; // Flag used to move the window on mouse move event
QPoint m_movePos; // Old position used when moving the window
};
/**
* This class encapsulates a custom modal dialog window.
* A dialog context can be set in '_yate_context' property
* Actions triggered by dialogs have the following format: dialog:dialog_name:action_name.
* The dialog will delete itself if an action is handled
* @short A custom modal dialog
*/
class YQT4_API QtDialog : public QDialog
{
Q_CLASSINFO("QtDialog","Yate")
Q_OBJECT
Q_PROPERTY(QString _yate_context READ context WRITE setContext(QString))
public:
/**
* Constructor
* @param parent Parent widget
*/
inline QtDialog(QWidget* parent)
: QDialog(parent), m_closable(true)
{}
/**
* Destructor. Notify the client if not exiting
*/
virtual ~QtDialog();
/**
* Retrieve the parent window
* @return QtWindow pointer or 0
*/
inline QtWindow* parentWindow() const
{ return qobject_cast<QtWindow*>(parentWidget() ? parentWidget()->window() : 0); }
/**
* Initialize dialog. Load the widget.
* Connect non checkable actions to own slot.
* Connect checkable actions/buttons to parent window's slot
* Display the dialog on success
* @param name Object and config section name
* @param title Window title
* @param alias Object name to set if not empty
* @param params Optional parent window parameters
* @return True on success
*/
bool show(const String& name, const String& title, const String& alias,
const NamedList* params);
/**
* Retrieve the context property
* @return The dialog context
*/
QString context()
{ return m_context; }
/**
* Set the dialog context
* @param c The new dialog context
*/
void setContext(QString c)
{ m_context = c; }
/**
* Build an action's name
* @param buf Destination buffer
* @param action Action name
* @return The destination string
*/
inline String& buildActionName(String& buf, const String& action) {
buf = String("dialog:") + YQT_OBJECT_NAME(this) + ":" + action;
return buf;
}
protected slots:
// Notify client
void action();
protected:
// Destroy the dialog
virtual void closeEvent(QCloseEvent* event);
// Destroy the dialog
virtual void reject();
String m_notifyOnClose; // Action to notify when closed
QString m_context; // Dialog context
bool m_closable; // Allow the dialog to be closed by the user
};
/**
* This class holds data about a widget container item
* @short Widget container item properties
*/
class QtUIWidgetItemProps : public String
{
public:
/**
* Constructor
* @param type Item type
*/
explicit inline QtUIWidgetItemProps(const String& type)
: String(type), m_acceptDrop(0)
{}
String m_ui; // Item UI file
String m_styleSheet; // Item style sheet when not selected
String m_selStyleSheet; // Item selected style
int m_acceptDrop; // Accept drop
};
/**
* This class holds a basic widget container with functions to rename children
* @short A widget container
*/
class YQT4_API QtUIWidget : public UIWidget
{
YCLASS(QtUIWidget,UIWidget)
public:
/**
* Constructor
* @param name Object name
* @param params Object parameters
* @param parent Optional parent
*/
inline QtUIWidget(const char* name)
: UIWidget(name),
m_wndEvHooked(false)
{}
/**
* Build a child name from this one
* @param buf Destination buffer
* @param item Child name
* @return The destination buffer
*/
inline String& buildChildName(String& buf, const String& item)
{ return buildChildName(buf,name(),item); }
/**
* Build a container QString child name
* @param item Child name
* @return QString child name
*/
inline QString buildQChildName(const String& item)
{ return buildQChildName(name(),item); }
/**
* Retrieve item type definition
* @param type Item type name
* @return QtUIWidgetItemProps pointer or 0
*/
inline QtUIWidgetItemProps* getItemProps(const String& type) const {
ObjList* o = m_itemProps.find(type);
return o ? static_cast<QtUIWidgetItemProps*>(o->get()) : 0;
}
/**
* Retrieve item type definition from [type:]value. Create it if not found
* @param in Input string
* @param value Item property value
* @return QtUIWidgetItemProps pointer or 0
*/
virtual QtUIWidgetItemProps* getItemProps(QString& in, String& value);
/**
* Retrieve the list of properties to save
* @return The list of properties to save
*/
QStringList saveProps()
{ return m_saveProps; }
/**
* Set the list of properties to save
* @param list The new list of properties to save
*/
void setSaveProps(QStringList list) {
if (list.size() != 1)
m_saveProps = list;
else
m_saveProps = list[0].split(QChar(','),QString::SkipEmptyParts);
}
/**
* Retrieve a QObject descendent of this object
* @return QObject pointer or 0
*/
virtual QObject* getQObject()
{ return 0; }
/**
* Retrieve the window owning this object
* @return QtWindow pointer or 0
*/
virtual QtWindow* getWindow()
{ return QtClient::parentWindow(getQObject()); }
/**
* Set widget's parameters.
* Handle an 'applyall' parameter carrying a NamedList to apply to all items
* @param params List of parameters
* @return True if all parameters could be set
*/
virtual bool setParams(const NamedList& params);
/**
* Retrieve a QObject list containing container items
* @return The list of container items
*/
virtual QList<QObject*> getContainerItems()
{ return QList<QObject*>(); }
/**
* Find an item widget by id
* @param id Item id
* @return QWidget pointer or 0
*/
virtual QWidget* findItem(const String& id);
/**
* Apply a list of parameters to all container items
* @return The list of parameters to apply
*/
virtual void applyAllParams(const NamedList& params);
/**
* Retrieve the object identity from '_yate_identity' property or name
* Retrieve the object item from '_yate_widgetlistitem' property.
* Set 'identity' to object_identity[:item_name]
* @param obj The object
* @param identiy Destination buffer
*/
virtual void getIdentity(QObject* obj, String& identity);
/**
* Update an item object and children from a list a parameters
* @param parent Parent object
* @param params The list of parameters
* @return True on success
*/
virtual bool setParams(QObject* parent, const NamedList& params);
/**
* Get an item object's parameters
* @param parent The object
* @param params Parameter list
* @return True on success
*/
virtual bool getParams(QObject* parent, NamedList& params);
/**
* Show or hide control busy state
* @param on True to show, false to hide
* @return True if all the operations were successfull
*/
virtual bool setBusy(bool on);
/**
* Retrieve object slots
* @param actionSlot Action (triggerred) slot
* @param toggleSlot Toggled slot
* @param selectSlot Selection change slot
*/
virtual void getSlots(String& actionSlot, String& toggleSlot, String& selectSlot) {
actionSlot = SLOT(itemChildAction());
toggleSlot = SLOT(itemChildToggle(bool));
selectSlot = SLOT(itemChildSelect());
}
/**
* Select an item by its index
* @param index Item index to select
* @return True on success
*/
virtual bool setSelectIndex(int index)
{ return false; }
/**
* Retrieve the 0 based index of the current item
* @return The index of the current item (-1 on error or container empty)
*/
virtual int currentItemIndex()
{ return -1; }
/**
* Retrieve the number of items in container
* @return The number of items in container (-1 on error)
*/
virtual int itemCount()
{ return -1; }
/**
* Apply properties for QAbstractItemView descendents
* @param params List of parameters
* @param defVal Default value to set if not found or invalid
*/
virtual void applyItemViewProps(const NamedList& params);
/**
* Begin item edit. The default behaviour start edit for QAbstractItemView descendants
* @param item Item to edit
* @param what Optional sub-item
* @return True on success
*/
virtual bool beginEdit(const String& item, const String* what = 0);
/**
* Retrieve model index for a given item
* @param item Item to edit
* @param what Optional sub-item
* @return Model index for the item, can be invalid
*/
virtual QModelIndex modelIndex(const String& item, const String* what = 0)
{ return QModelIndex(); }
/**
* Build a child's widget menu. Connect actions to container slots
* @param w The widget
* @param params Menu params
* @param child Optional widget child target
* @param set True to set the menu, false to build it and just return it
* @return QMenu pointer or 0
*/
QMenu* buildWidgetItemMenu(QWidget* w, const NamedList* params,
const String& child = String::empty(), bool set = true);
/**
* Build a container child name
* @param buf Destination buffer
* @param name Container widget name
* @param item Child name
* @return The destination buffer
*/
static inline String& buildChildName(String& buf, const String& name,
const String& item) {
buf = name + "_" + item;
return buf;
}
/**
* Build a container child name
* @param name Container widget name
* @param item Child name
* @return QString child name
*/
static inline QString buildQChildName(const QString& name, const QString& item)
{ return name + "_" + item; }
/**
* Build a container child name from parent property value
* @param dest Destination string
* @param parent Pointer to parent object
* @param prop Property name
* @return True on success
*/
static bool buildQChildNameProp(QString& dest, QObject* parent, const char* prop);
/**
* Build a container QString child name
* @param name Container widget name
* @param item Child name
* @return QString child name
*/
static inline QString buildQChildName(const String& name, const String& item) {
String buf;
return QtClient::setUtf8(buildChildName(buf,name,item));
}
/**
* Set the list item id property to a list item object
* @param obj The object
* @param item Item id property value
*/
static inline void setListItemIdProp(QObject* obj, const QString& item)
{ obj->setProperty("_yate_widgetlistitemid",QVariant(item)); }
/**
* Retrieve the list item id property from a list item object
* @param obj The object
* @param item Destination string
*/
static inline void getListItemIdProp(QObject* obj, String& item)
{ QtClient::getProperty(obj,"_yate_widgetlistitemid",item); }
/**
* Set the list item property for an item's child object
* @param obj The object
* @param item Item property value
*/
static inline void setListItemProp(QObject* obj, const QString& item)
{ obj->setProperty("_yate_widgetlistitem",QVariant(item)); }
/**
* Retrieve the list item property from an item's child object
* @param obj The object
* @param item Destination string
*/
static inline void getListItemProp(QObject* obj, String& item)
{ QtClient::getProperty(obj,"_yate_widgetlistitem",item); }
/**
* Retrieve the top level QtUIWidget container parent of an object
* @param obj The object
* @return QtUIWidget pointer or 0 if not found
*/
static QtUIWidget* container(QObject* obj);
protected:
/**
* Default constructor
*/
QtUIWidget()
{}
/**
* Initialize navigation controls
* @param params Parameter list
*/
void initNavigation(const NamedList& params);
/**
* Update navigation controls
*/
void updateNavigation();
/**
* Trigger a custom action from an item. Build a list of parameters containing
* the 'item' and the 'list' object identity
* @param item The item id
* @param action The action name to trigger
* @param sender Optional sender (set it to 0 to use getQObject())
* @param params Optional extra action parameters
* @return True if handled
*/
bool triggerAction(const String& item, const String& action, QObject* sender = 0,
NamedList* params = 0);
/**
* Trigger a custom action from already built list params
* @param action The action name to trigger
* @param params Extra action parameters
* @param sender Optional sender (set it to 0 to use getQObject())
* @return True if handled
*/
bool triggerAction(const String& action, NamedList& params, QObject* sender = 0);
/**
* Handle a child's action. Retrieve the object identity (using getIdentity()) and
* notify the action 'sender_identity:sender_item_name' to the client
* Internally handle next/prev actions if set
* @param sender The sender
*/
virtual void onAction(QObject* sender);
/**
* Handle a child's action. Retrieve the object identity (using getIdentity()) and
* notify the toggled 'sender_identity:sender_item_name' event to the client
* @param sender The sender
* @param on Toggle status
*/
virtual void onToggle(QObject* sender, bool on);
/**
* Handle a child's selection change. Retrieve the object identity and
* notify the select 'sender_identity:sender_item_name' event to the client.
* @param sender The sender
* @param item Optional selected item if any. Set it to 0 to detect it
*/
virtual void onSelect(QObject* sender, const String* item = 0);
/**
* Handle a child's multiple selection change. Retrieve the object identity and
* notify the select 'sender_identity:sender_item_name' event to the client.
* @param sender The sender
* @param items Optional selected items. Set it to 0 to detect it
*/
virtual void onSelectMultiple(QObject* sender, const NamedList* items = 0);
/**
* Filter wathed events for children.
* Handle child image changing on mouse events
* @param watched The object
* @param event Event to process
* @return True if event filter was removed
*/
virtual bool onChildEvent(QObject* watched, QEvent* event);
/**
* Load an item's widget. Rename children.
* Set '_yate_widgetlistitemid' widget property to given name.
* Set '_yate_widgetlistitem' to item for each child.
* Connect signals for children not having a '_yate_autoconnect' property set to false.
* Install event filter for children with '_yate_filterevents' property set to true.
* @param parent Parent widget
* @param name Widget name
* @param ui UI file to load
* @return QWidget pointer or 0
*/
QWidget* loadWidget(QWidget* parent, const String& name, const String& ui);
/**
* Load an item's widget using a given type
* @param parent Parent widget
* @param name Widget name
* @param type Item type
* @return QWidget pointer or 0
*/
inline QWidget* loadWidgetType(QWidget* parent, const String& name, const String& type) {
QtUIWidgetItemProps* p = getItemProps(type);
if (p && p->m_ui)
return loadWidget(parent,name,p->m_ui);
return 0;
}
/**
* Apply a QWidget style sheet. Replace ${name} with widget name in style
* @param name The widget
* @param style The style sheet to apply
*/
void applyWidgetStyle(QWidget* w, const String& style);
/**
* Filter key press events. Retrieve an action associated with the key.
* Check if the object is allowed to process the key.
* Raise the action
* @param obj The object
* @param event QKeyEvent event to process
* @param filter Filter key or let the object process it
* @return True if processed, false if no key was filtered
*/
bool filterKeyEvent(QObject* watched, QKeyEvent* event, bool& filter);
bool m_wndEvHooked; // Event filter already installed in parent window
ObjList m_itemProps;
QStringList m_saveProps; // List of properties to be automatically
// saved/restored when window owning
// this object is initialized/destroyed
// Navigation
String m_prev; // Goto previous item action
String m_next; // Goto next item action
String m_info; // Info widget: current index, total ...
String m_infoFormat; // Data to be displayed in info
String m_title; // Current item title widget name
};
/**
* This class encapsulates a custom QT object
* @short A custom QT object
*/
class YQT4_API QtCustomObject : public QObject, public QtUIWidget
{
YCLASS(QtCustomObject,QtUIWidget)
Q_CLASSINFO("QtCustomObject","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param name Object's name
* @param parent Optional parent object
*/
inline QtCustomObject(const char* name, QObject* parent = 0)
: QObject(parent), QtUIWidget(name)
{ setObjectName(name); }
/**
* Retrieve a QObject from this one
* @return QObject pointer
*/
virtual QObject* getQObject()
{ return static_cast<QObject*>(this); }
/**
* Parent changed notification
*/
virtual void parentChanged()
{}
private:
QtCustomObject() {} // No default constructor
};
/**
* This class encapsulates a custom QT widget
* @short A custom QT widget
*/
class YQT4_API QtCustomWidget : public QWidget, public QtUIWidget
{
YCLASS(QtCustomWidget,QtUIWidget)
Q_CLASSINFO("QtCustomWidget","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param name Widget's name
* @param parent Optional parent widget
*/
inline QtCustomWidget(const char* name, QWidget* parent = 0)
: QWidget(parent), QtUIWidget(name)
{ setObjectName(name); }
/**
* Retrieve a QObject from this one
* @return QObject pointer
*/
virtual QObject* getQObject()
{ return static_cast<QObject*>(this); }
protected:
/**
* Filter events. Call parent onEventFilter(). Return QWidget's event filter
* Handle child image changing on mouse events
* @param watched The object
* @param event Event to process
*/
virtual bool eventFilter(QObject* watched, QEvent* event) {
bool ok = onChildEvent(watched,event);
return QWidget::eventFilter(watched,event) || ok;
}
private:
QtCustomWidget() {} // No default constructor
};
/**
* This class encapsulates a custom QT table
* @short A custom QT table widget
*/
class YQT4_API QtTable : public QTableWidget, public QtUIWidget
{
YCLASS(QtTable,QtUIWidget)
Q_CLASSINFO("QtTable","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param name Table's name
* @param parent Optional parent widget
*/
inline QtTable(const char* name, QWidget* parent = 0)
: QTableWidget(parent), QtUIWidget(name)
{ setObjectName(name); }
/**
* Retrieve a QObject from this one
* @return QObject pointer
*/
virtual QObject* getQObject()
{ return static_cast<QObject*>(this); }
protected:
/**
* Filter events. Call parent onEventFilter(). Return QWidget's event filter
* Handle child image changing on mouse events
* @param watched The object
* @param event Event to process
*/
virtual bool eventFilter(QObject* watched, QEvent* event) {
bool ok = onChildEvent(watched,event);
return QTableWidget::eventFilter(watched,event) || ok;
}
private:
QtTable() {} // No default constructor
};
/**
* This class encapsulates a custom QT tree
* @short A custom QT tree widget
*/
class YQT4_API QtTree : public QTreeWidget, public QtUIWidget
{
YCLASS(QtTree,QtUIWidget)
Q_CLASSINFO("QtTree","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param name Tree's name
* @param parent Optional parent widget
*/
inline QtTree(const char* name, QWidget* parent = 0)
: QTreeWidget(parent), QtUIWidget(name)
{ setObjectName(name); }
/**
* Retrieve a QObject from this one
* @return QObject pointer
*/
virtual QObject* getQObject()
{ return static_cast<QObject*>(this); }
protected:
/**
* Filter events. Call parent onEventFilter(). Return QWidget's event filter
* Handle child image changing on mouse events
* @param watched The object
* @param event Event to process
*/
virtual bool eventFilter(QObject* watched, QEvent* event) {
bool ok = onChildEvent(watched,event);
return QTreeWidget::eventFilter(watched,event) || ok;
}
private:
QtTree() {} // No default constructor
};
/**
* QT specific sound
* @short A QT client sound
*/
class YQT4_API QtSound : public ClientSound
{
YCLASS(QtSound,ClientSound)
public:
/**
* Constructor
* @param name The name of this object
* @param file The file to play (should contain the whole path and the file name)
* @param device Optional device used to play the file. Set to 0 to use the default one
*/
inline QtSound(const char* name, const char* file, const char* device = 0)
: ClientSound(name,file,device), m_sound(0)
{ m_native = true; }
protected:
virtual bool doStart();
virtual void doStop();
private:
QSound* m_sound;
};
/**
* @short Base class for Drag&Drop operations
*/
class YQT4_API QtDragAndDrop : public QObject, public GenObject
{
YCLASS(QtDragAndDrop,GenObject)
Q_CLASSINFO("QtDragAndDrop","Yate")
Q_OBJECT
public:
/**
* Accept drop enumeration
*/
enum AcceptDrop {
None = 0,
Always,
Ask,
};
/**
* Constructor
* @param parent Object parent
*/
inline QtDragAndDrop(QObject* parent)
: QObject(parent),
m_started(false)
{}
/**
* Check if started
* @return True if started
*/
inline bool started() const
{ return m_started; }
/**
* Reset data
*/
virtual void reset();
/**
* Check a string value for 'drag', 'drop', 'both'
* @param s The string
* @param drag Boolean value to set if drag is enabled
* @param drop Boolean value to set if drop is enabled
*/
static void checkEnable(const String& s, bool& drag, bool& drop);
protected:
bool m_started; // Started flag
};
/**
* This class holds data used for Drop operation
* @short Drop data holder
*/
class YQT4_API QtDrop : public QtDragAndDrop
{
YCLASS(QtDrop,QtDragAndDrop)
Q_CLASSINFO("QtDrop","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param parent Object parent
* @param params Optional pointer to object parameters
*/
QtDrop(QObject* parent, const NamedList* params = 0);
/**
* Retrieve drop parameters
* @return Drop parameters
*/
inline NamedList& params()
{ return m_dropParams; }
/**
* Update parameters from drag enter event
* @param e The event
* @return True if accepted
*/
bool start(QDragEnterEvent& e);
/**
* Reset data
*/
virtual void reset();
/**
* Get accept type
* @param type Type to check
* @param defVal Default value to return if not found
* @return Accept value
*/
static inline int acceptDropType(const char* type, int defVal)
{ return lookup(type,s_acceptDropName,defVal); }
static const String s_askClientAcceptDrop;
static const String s_notifyClientDrop;
static const QString s_fileScheme;
static const TokenDict s_acceptDropName[];
protected:
NamedList m_dropParams; // Drop parameters
QStringList m_schemes; // Known URL Schemes. Accept only these if not empty
bool m_acceptFiles; // Accept files on drop
bool m_acceptDirs; // Accept directories on drop
};
/**
* This class holds data used for Drop operation on widgets displaying a list of items
* @short Drop data holder for widget list items
*/
class YQT4_API QtListDrop : public QtDrop
{
YCLASS(QtListDrop,QtDrop)
Q_CLASSINFO("QtListDrop","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param parent Object parent
* @param params Optional pointer to object parameters
*/
QtListDrop(QObject* parent, const NamedList* params = 0);
/**
* Check if drop should be accepted on empty space
* @return True if drop should be accepted on empty space
*/
inline int acceptOnEmpty() const
{ return m_acceptOnEmpty; }
/**
* Set accept drop on empty space
* @param val New value for accept drop on empty space
*/
inline void setAcceptOnEmpty(int val)
{ m_acceptOnEmpty = val; }
/**
* Update accept
* @param list Comma separated list of item types
* @param type Accept drop type
*/
void updateAcceptType(const String list, int type);
/**
* Update accept from parameters list
* @param params Parameters list
*/
void updateAccept(const NamedList& params);
/**
* Check if an item type can be automatically accepted
* @param type Item type to check
* @param defVal Value to return if not found
* @return Accept value as AcceptDrop enumeration
*/
inline int getAcceptType(const String& type, int defVal = None)
{ return NamedInt::lookup(m_acceptItemTypes,type,defVal);}
/**
* Reset data
*/
virtual void reset();
protected:
int m_acceptOnEmpty; // Accept drop on widget surface not occupied by any item
ObjList m_acceptItemTypes; // Item type to handle drop
};
/**
* Busy widget to show over controls
* @short Busy widget to show over controls
*/
class YQT4_API QtBusyWidget : public QtCustomWidget
{
YCLASS(QtBusyWidget,QtCustomWidget)
Q_CLASSINFO("QtBusyWidget","Yate")
Q_OBJECT
public:
/**
* Constructor
* @param parent Optional parent widget
*/
QtBusyWidget(QWidget* parent = 0);
/**
* Initialize
* @param ui UI to load
* @param params Busy parameters
* @param target Target widget
*/
virtual void init(const String& ui, const NamedList& params, QWidget* target);
/**
* Show or hide the widget
* @param on True to show, false to hide
*/
inline void showBusy(bool on) {
if (on)
showBusy();
else
hideBusy();
}
/**
* Show the widget
*/
void showBusy();
/**
* Hide the widget
*/
void hideBusy();
/**
* Show or hide busy widget.
* The busy widget must be a target's child whose name is composed from
* target->objectName() + s_busySuffix
* @param target The widget to show busy
* @param on True to show, false to hide
*/
static inline bool showBusyChild(QWidget* target, bool on) {
QtBusyWidget* w = target ? qFindChild<QtBusyWidget*>(
target,target->objectName() + s_busySuffix) : 0;
if (!w)
return false;
w->showBusy(on);
return true;
}
/**
* Busy child name suffix
*/
static const QString s_busySuffix;
protected:
/**
* Filter wathed events
* @param watched The object
* @param event Event to process
* @return True if event filter was removed
*/
virtual bool onChildEvent(QObject* watched, QEvent* event);
/**
* Re-implemented from QWidget
*/
virtual void timerEvent(QTimerEvent* ev);
/**
* Show/hide busy content
* @param on True to show, false to hide
*/
virtual void setContent(bool on);
QWidget* m_target; // Widget to show over
bool m_shown; // Shown flag
unsigned int m_delayMs; // Delay show
int m_delayTimer; // Delay timer
QLabel* m_movieLabel; // Label showing animation
private:
inline void stopDelayTimer() {
if (!m_delayTimer)
return;
killTimer(m_delayTimer);
m_delayTimer = 0;
}
void internalShow();
};
}; // namespace TelEngine
Q_DECLARE_METATYPE(TelEngine::QtRefObjectHolder)
#endif // __QT4CLIENT_H
/* vi: set ts=8 sw=4 sts=4 noet: */