зеркало из https://github.com/mozilla/pjs.git
490 строки
16 KiB
C++
490 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsGUIEvent_h__
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#define nsGUIEvent_h__
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#include "nsPoint.h"
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#include "nsRect.h"
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class nsIRenderingContext;
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class nsIWidget;
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class nsIMenuItem;
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/**
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* Return status for event processors.
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*/
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enum nsEventStatus {
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/// The event is ignored, do default processing
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nsEventStatus_eIgnore,
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/// The event is consumed, don't do default processing
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nsEventStatus_eConsumeNoDefault,
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/// The event is consumed, but do default processing
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nsEventStatus_eConsumeDoDefault
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};
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/**
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* General event
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*/
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struct nsEvent {
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/// See event struct types
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PRUint8 eventStructType;
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/// See GUI MESSAGES,
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PRUint32 message;
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/// in widget relative coordinates, modified to be relative to current view in layout.
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nsPoint point;
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// in widget relative coordinates, not modified by layout code.
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nsPoint refPoint;
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/// elapsed time, in milliseconds, from the time the system was started to the time the message was created
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PRUint32 time;
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// flags to hold event flow stage and capture/bubble cancellation status
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PRUint32 flags;
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};
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/**
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* General graphic user interface event
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*/
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struct nsGUIEvent : public nsEvent {
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/// Originator of the event
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nsIWidget* widget;
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/// Internal platform specific message.
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void* nativeMsg;
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};
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/**
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* Window resize event
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*/
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struct nsSizeEvent : public nsGUIEvent {
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/// x,y width, height in pixels (client area)
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nsRect *windowSize;
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/// width of entire window (in pixels)
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PRInt32 mWinWidth;
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/// height of entire window (in pixels)
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PRInt32 mWinHeight;
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};
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/**
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* Window repaint event
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*/
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struct nsPaintEvent : public nsGUIEvent {
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/// Context to paint in.
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nsIRenderingContext *renderingContext;
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/// x,y, width, height in pixels of area to paint
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nsRect *rect;
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};
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/**
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* Scrollbar event
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*/
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struct nsScrollbarEvent : public nsGUIEvent {
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/// ranges between scrollbar 0 and (maxRange - thumbSize). See nsIScrollbar
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PRUint32 position;
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};
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struct nsInputEvent : public nsGUIEvent {
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/// PR_TRUE indicates the shift key in down
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PRBool isShift;
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/// PR_TRUE indicates the control key in down
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PRBool isControl;
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/// PR_TRUE indicates the alt key in down
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PRBool isAlt;
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#ifdef XP_MAC
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/// PR_TRUE indicates the command key in down
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/// For now, it's only used in Widget: not for export
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/// in nsIDOMEvent.h or nsJSEvent.cpp (later maybe)
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PRBool isCommand;
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#endif
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};
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/**
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* Mouse event
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*/
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struct nsMouseEvent : public nsInputEvent {
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/// The number of mouse clicks
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PRUint32 clickCount;
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};
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/**
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* Keyboard event
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*/
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struct nsKeyEvent : public nsInputEvent {
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/// see NS_VK codes
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PRUint32 keyCode;
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/// OS translated Unicode char
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PRUint32 charCode;
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};
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/**
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* IME Related Events
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*/
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struct nsTextRange {
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PRUint32 mStartOffset;
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PRUint32 mEndOffset;
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PRUint32 mRangeType;
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};
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typedef struct nsTextRange nsTextRange;
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typedef nsTextRange* nsTextRangeArray;
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struct nsTextEventReply {
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nsPoint mCursorPosition;
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PRBool mCursorIsCollapsed;
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};
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typedef struct nsTextEventReply nsTextEventReply;
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struct nsTextEvent : public nsInputEvent {
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PRUnichar* theText;
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nsTextEventReply theReply;
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PRUint32 rangeCount;
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nsTextRangeArray rangeArray;
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};
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struct nsCompositionEvent : public nsInputEvent {
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PRUint32 compositionMessage;
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nsTextEventReply theReply;
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};
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/**
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* Tooltip event
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*/
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struct nsTooltipEvent : public nsGUIEvent {
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/// Index of tooltip area which generated the event. @see SetTooltips in nsIWidget
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PRUint32 tipIndex;
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};
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/**
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* MenuItem event
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*
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* When this event occurs the widget field in nsGUIEvent holds the "target"
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* for the event
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*/
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struct nsMenuEvent : public nsGUIEvent {
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nsIMenuItem * mMenuItem;
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PRUint32 mCommand;
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};
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/**
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* Event status for D&D Event
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*/
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enum nsDragDropEventStatus {
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/// The event is a enter
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nsDragDropEventStatus_eDragEntered,
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/// The event is exit
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nsDragDropEventStatus_eDragExited,
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/// The event is drop
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nsDragDropEventStatus_eDrop
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};
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/**
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* Event Struct Types
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*/
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#define NS_EVENT 1
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#define NS_GUI_EVENT 2
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#define NS_SIZE_EVENT 3
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#define NS_PAINT_EVENT 4
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#define NS_SCROLLBAR_EVENT 5
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#define NS_INPUT_EVENT 6
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#define NS_KEY_EVENT 7
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#define NS_MOUSE_EVENT 8
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#define NS_MENU_EVENT 10
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#define NS_DRAGDROP_EVENT 11
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#define NS_TEXT_EVENT 12
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#define NS_COMPOSITION_START 13
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#define NS_COMPOSITION_END 14
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/**
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* GUI MESSAGES
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*/
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//@{
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#define NS_WINDOW_START 100
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// Widget is being created
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#define NS_CREATE (NS_WINDOW_START)
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// Widget is being destroyed
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#define NS_DESTROY (NS_WINDOW_START + 1)
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// Widget was resized
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#define NS_SIZE (NS_WINDOW_START + 2)
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// Widget gained focus
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#define NS_GOTFOCUS (NS_WINDOW_START + 3)
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// Widget lost focus
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#define NS_LOSTFOCUS (NS_WINDOW_START + 4)
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// Widget needs to be repainted
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#define NS_PAINT (NS_WINDOW_START + 30)
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// Key is pressed within a window
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#define NS_KEY_PRESS (NS_WINDOW_START + 31)
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// Key is released within a window
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#define NS_KEY_UP (NS_WINDOW_START + 32)
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// Key is pressed within a window
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#define NS_KEY_DOWN (NS_WINDOW_START + 33)
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// Window has been moved to a new location.
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// The events point contains the x, y location in screen coordinates
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#define NS_MOVE (NS_WINDOW_START + 34)
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// Tab control's selected tab has changed
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#define NS_TABCHANGE (NS_WINDOW_START + 35)
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// Menu item selected
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#define NS_MENU_SELECTED (NS_WINDOW_START + 38)
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// Form control changed: currently == combo box selection changed
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// but could be expanded to mean textbox, checkbox changed, etc.
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// This is a GUI specific event that does not necessarily correspond
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// directly to a mouse click or a key press.
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#define NS_CONTROL_CHANGE (NS_WINDOW_START + 39)
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#define NS_MOUSE_MESSAGE_START 300
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#define NS_MOUSE_MOVE (NS_MOUSE_MESSAGE_START)
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#define NS_MOUSE_LEFT_BUTTON_UP (NS_MOUSE_MESSAGE_START + 1)
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#define NS_MOUSE_LEFT_BUTTON_DOWN (NS_MOUSE_MESSAGE_START + 2)
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#define NS_MOUSE_MIDDLE_BUTTON_UP (NS_MOUSE_MESSAGE_START + 10)
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#define NS_MOUSE_MIDDLE_BUTTON_DOWN (NS_MOUSE_MESSAGE_START + 11)
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#define NS_MOUSE_RIGHT_BUTTON_UP (NS_MOUSE_MESSAGE_START + 20)
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#define NS_MOUSE_RIGHT_BUTTON_DOWN (NS_MOUSE_MESSAGE_START + 21)
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#define NS_MOUSE_ENTER (NS_MOUSE_MESSAGE_START + 22)
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#define NS_MOUSE_EXIT (NS_MOUSE_MESSAGE_START + 23)
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#define NS_MOUSE_LEFT_DOUBLECLICK (NS_MOUSE_MESSAGE_START + 24)
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#define NS_MOUSE_MIDDLE_DOUBLECLICK (NS_MOUSE_MESSAGE_START + 25)
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#define NS_MOUSE_RIGHT_DOUBLECLICK (NS_MOUSE_MESSAGE_START + 26)
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#define NS_MOUSE_LEFT_CLICK (NS_MOUSE_MESSAGE_START + 27)
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#define NS_MOUSE_MIDDLE_CLICK (NS_MOUSE_MESSAGE_START + 28)
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#define NS_MOUSE_RIGHT_CLICK (NS_MOUSE_MESSAGE_START + 29)
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#define NS_SCROLLBAR_MESSAGE_START 1000
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#define NS_SCROLLBAR_POS (NS_SCROLLBAR_MESSAGE_START)
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#define NS_SCROLLBAR_PAGE_NEXT (NS_SCROLLBAR_MESSAGE_START + 1)
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#define NS_SCROLLBAR_PAGE_PREV (NS_SCROLLBAR_MESSAGE_START + 2)
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#define NS_SCROLLBAR_LINE_NEXT (NS_SCROLLBAR_MESSAGE_START + 3)
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#define NS_SCROLLBAR_LINE_PREV (NS_SCROLLBAR_MESSAGE_START + 4)
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#define NS_STREAM_EVENT_START 1100
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#define NS_PAGE_LOAD (NS_STREAM_EVENT_START)
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#define NS_PAGE_UNLOAD (NS_STREAM_EVENT_START + 1)
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#define NS_IMAGE_LOAD (NS_STREAM_EVENT_START + 2)
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#define NS_IMAGE_ABORT (NS_STREAM_EVENT_START + 3)
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#define NS_IMAGE_ERROR (NS_STREAM_EVENT_START + 4)
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#define NS_FORM_EVENT_START 1200
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#define NS_FORM_SUBMIT (NS_FORM_EVENT_START)
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#define NS_FORM_RESET (NS_FORM_EVENT_START + 1)
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#define NS_FORM_CHANGE (NS_FORM_EVENT_START + 2)
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#define NS_FORM_SELECTED (NS_FORM_EVENT_START + 3)
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//Need separate focus/blur notifications for non-native widgets
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#define NS_FOCUS_EVENT_START 1300
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#define NS_FOCUS_CONTENT (NS_FOCUS_EVENT_START)
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#define NS_BLUR_CONTENT (NS_FOCUS_EVENT_START + 1)
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#define NS_DRAGDROP_EVENT_START 1400
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#define NS_DRAGDROP_ENTER (NS_DRAGDROP_EVENT_START)
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#define NS_DRAGDROP_OVER (NS_DRAGDROP_EVENT_START + 1)
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#define NS_DRAGDROP_EXIT (NS_DRAGDROP_EVENT_START + 2)
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#define NS_DRAGDROP_DROP (NS_DRAGDROP_EVENT_START + 3)
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#define NS_DRAGDROP_GESTURE (NS_DRAGDROP_EVENT_START + 4)
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// Events for popups
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#define NS_MENU_EVENT_START 1500
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#define NS_MENU_CREATE (NS_MENU_EVENT_START)
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#define NS_MENU_DESTROY (NS_MENU_EVENT_START+1)
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#define NS_MENU_ACTION (NS_MENU_EVENT_START+2)
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//@}
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#define NS_IS_MOUSE_EVENT(evnt) \
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(((evnt)->message == NS_MOUSE_LEFT_BUTTON_DOWN) || \
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((evnt)->message == NS_MOUSE_LEFT_BUTTON_UP) || \
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((evnt)->message == NS_MOUSE_LEFT_CLICK) || \
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((evnt)->message == NS_MOUSE_LEFT_DOUBLECLICK) || \
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((evnt)->message == NS_MOUSE_MIDDLE_BUTTON_DOWN) || \
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((evnt)->message == NS_MOUSE_MIDDLE_BUTTON_UP) || \
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((evnt)->message == NS_MOUSE_MIDDLE_CLICK) || \
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((evnt)->message == NS_MOUSE_MIDDLE_DOUBLECLICK) || \
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((evnt)->message == NS_MOUSE_RIGHT_BUTTON_DOWN) || \
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((evnt)->message == NS_MOUSE_RIGHT_BUTTON_UP) || \
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((evnt)->message == NS_MOUSE_RIGHT_CLICK) || \
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((evnt)->message == NS_MOUSE_RIGHT_DOUBLECLICK) || \
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((evnt)->message == NS_MOUSE_ENTER) || \
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((evnt)->message == NS_MOUSE_EXIT) || \
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((evnt)->message == NS_MOUSE_MOVE))
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#define NS_IS_KEY_EVENT(evnt) \
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(((evnt)->message == NS_KEY_DOWN) || \
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((evnt)->message == NS_KEY_PRESS) || \
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((evnt)->message == NS_KEY_UP))
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/*
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* Virtual key bindings for keyboard events
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* NOTE: These are repeated in nsIDOMEvent.h and must be kept in sync
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*/
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#define NS_VK_CANCEL 0x03
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#define NS_VK_BACK 0x08
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#define NS_VK_TAB 0x09
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#define NS_VK_CLEAR 0x0C
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#define NS_VK_RETURN 0x0D
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#define NS_VK_ENTER 0x0E
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#define NS_VK_SHIFT 0x10
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#define NS_VK_CONTROL 0x11
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#define NS_VK_ALT 0x12
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#define NS_VK_PAUSE 0x13
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#define NS_VK_CAPS_LOCK 0x14
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#define NS_VK_ESCAPE 0x1B
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#define NS_VK_SPACE 0x20
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#define NS_VK_PAGE_UP 0x21
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#define NS_VK_PAGE_DOWN 0x22
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#define NS_VK_END 0x23
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#define NS_VK_HOME 0x24
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#define NS_VK_LEFT 0x25
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#define NS_VK_UP 0x26
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#define NS_VK_RIGHT 0x27
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#define NS_VK_DOWN 0x28
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#define NS_VK_PRINTSCREEN 0x2C
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#define NS_VK_INSERT 0x2D
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#define NS_VK_DELETE 0x2E
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// NS_VK_0 - NS_VK_9 match their ascii values
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#define NS_VK_0 0x30
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#define NS_VK_1 0x31
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#define NS_VK_2 0x32
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#define NS_VK_3 0x33
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#define NS_VK_4 0x34
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#define NS_VK_5 0x35
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#define NS_VK_6 0x36
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#define NS_VK_7 0x37
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#define NS_VK_8 0x38
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#define NS_VK_9 0x39
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#define NS_VK_SEMICOLON 0x3B
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#define NS_VK_EQUALS 0x3D
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// NS_VK_A - NS_VK_Z match their ascii values
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#define NS_VK_A 0x41
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#define NS_VK_B 0x42
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#define NS_VK_C 0x43
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#define NS_VK_D 0x44
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#define NS_VK_E 0x45
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#define NS_VK_F 0x46
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#define NS_VK_G 0x47
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#define NS_VK_H 0x48
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#define NS_VK_I 0x49
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#define NS_VK_J 0x4A
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#define NS_VK_K 0x4B
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#define NS_VK_L 0x4C
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#define NS_VK_M 0x4D
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#define NS_VK_N 0x4E
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#define NS_VK_O 0x4F
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#define NS_VK_P 0x50
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#define NS_VK_Q 0x51
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#define NS_VK_R 0x52
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#define NS_VK_S 0x53
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#define NS_VK_T 0x54
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#define NS_VK_U 0x55
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#define NS_VK_V 0x56
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#define NS_VK_W 0x57
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#define NS_VK_X 0x58
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#define NS_VK_Y 0x59
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#define NS_VK_Z 0x5A
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#define NS_VK_NUMPAD0 0x60
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#define NS_VK_NUMPAD1 0x61
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#define NS_VK_NUMPAD2 0x62
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#define NS_VK_NUMPAD3 0x63
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#define NS_VK_NUMPAD4 0x64
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#define NS_VK_NUMPAD5 0x65
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#define NS_VK_NUMPAD6 0x66
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#define NS_VK_NUMPAD7 0x67
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#define NS_VK_NUMPAD8 0x68
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#define NS_VK_NUMPAD9 0x69
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#define NS_VK_MULTIPLY 0x6A
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#define NS_VK_ADD 0x6B
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#define NS_VK_SEPARATOR 0x6C
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#define NS_VK_SUBTRACT 0x6D
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#define NS_VK_DECIMAL 0x6E
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#define NS_VK_DIVIDE 0x6F
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#define NS_VK_F1 0x70
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#define NS_VK_F2 0x71
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#define NS_VK_F3 0x72
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#define NS_VK_F4 0x73
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#define NS_VK_F5 0x74
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#define NS_VK_F6 0x75
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#define NS_VK_F7 0x76
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#define NS_VK_F8 0x77
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#define NS_VK_F9 0x78
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#define NS_VK_F10 0x79
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#define NS_VK_F11 0x7A
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#define NS_VK_F12 0x7B
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#define NS_VK_F13 0x7C
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#define NS_VK_F14 0x7D
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#define NS_VK_F15 0x7E
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#define NS_VK_F16 0x7F
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#define NS_VK_F17 0x80
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#define NS_VK_F18 0x81
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#define NS_VK_F19 0x82
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#define NS_VK_F20 0x83
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#define NS_VK_F21 0x84
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#define NS_VK_F22 0x85
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#define NS_VK_F23 0x86
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#define NS_VK_F24 0x87
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#define NS_VK_NUM_LOCK 0x90
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#define NS_VK_SCROLL_LOCK 0x91
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#define NS_VK_COMMA 0xBC
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#define NS_VK_PERIOD 0xBE
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#define NS_VK_SLASH 0xBF
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#define NS_VK_BACK_QUOTE 0xC0
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#define NS_VK_OPEN_BRACKET 0xDB
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#define NS_VK_BACK_SLASH 0xDC
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#define NS_VK_CLOSE_BRACKET 0xDD
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#define NS_VK_QUOTE 0xDE
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#define NS_EVENT_FLAG_NONE 0x0000
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#define NS_EVENT_FLAG_INIT 0x0001
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#define NS_EVENT_FLAG_BUBBLE 0x0002
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#define NS_EVENT_FLAG_CAPTURE 0x0004
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#define NS_EVENT_FLAG_STOP_DISPATCH 0x0008
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#define NS_EVENT_FLAG_NO_DEFAULT 0x0010
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// IME Constants -- keep in synch with nsIDOMTextRange.h
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#define NS_TEXTRANGE_CARETPOSITION 0x01
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#define NS_TEXTRANGE_RAWINPUT 0X02
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#define NS_TEXTRANGE_SELECTEDRAWTEXT 0x03
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#define NS_TEXTRANGE_CONVERTEDTEXT 0x04
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#define NS_TEXTRANGE_SELECTEDCONVERTEDTEXT 0x05
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#endif // nsGUIEvent_h__
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