KeyboardEvent.getModifierState() - Web APIs
the keyboardevent.getmodifierstate() method returns the current state of the specified modifier key: true if the modifier is active (that is the modifier key is pressed or locked), otherwise, false. syntax var active = event.getmodifierstate(keyarg); returns a boolean parameters keyarg a modifier key value. the value must be one of the keyboardevent.key values which represent modifier keys, or the string "accel" . this is case-sensitive. modifier keys on internet explorer ie9 uses "scroll" for "scrolllock" and "win" for "os". ...
...otherwise, false. syntax var active = event.getmodifierstate(keyarg); returns a boolean parameters keyarg a modifier key value. the value must be one of the keyboardevent.key values which represent modifier keys, or the string "accel" . this is case-sensitive. modifier keys on internet explorer ie9 uses "scroll" for "scrolllock" and "win" for "os". ...
...ed for scroll lock turned on during led for scroll lock turned on, but typically this isn't supported by platform not supported while scrolllock is locked "shift" ⇧ shift key pressed "super" not supported "symbol" not supported "symbollock" not supported on the other platforms, "alt", "control" and "shift" may be supported. ...
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PaymentRequestEvent.modifiers - Web APIs
working draft initial definition. ...
... working draft initial definition. ...
... working draft initial definition. ...
... working draft initial definition. ...

modifiers - Archive of obsolete content
multiple keys may be separated by spaces or commas. keys will map to other keys on platforms that do not have them. shift: the shift key. alt: the alt key. on the macintosh, this is the option key. on macintosh this can only be used in conjunction with another modifier, since alt+letter combinations are reserved for entering special characters in text. meta: the meta key. on the macintosh, this is the command key. control: the control key. os: windows logo key on windows, super or hyper key on linux. this shouldn't be specified directly because it may conflict with system wide shortcut key. ...
...cause it may conflict with system wide shortcut key. accel: the key used for keyboard shortcuts on the user's platform, which is control on windows and linux, and command on mac. usually, this would be the value you would use. access: the access key for activating menus and other elements. on windows, this is the alt key, used in conjuction with an element's accesskey. any: indicates that all modifiers preceding it are optional. ...

MouseEvent.getModifierState() - Web APIs
the mouseevent.getmodifierstate() method returns the current state of the specified modifier key: true if the modifier is active (i.e., the modifier key is pressed or locked), otherwise, false. see the document of keyboardevent.getmodifierstate() for details. syntax var active =​ event.getmodifierstate(keyarg); returns a boolean parameters keyarg a modifier key value. the value must be one of the keyboardevent.key values which represent modifier keys or "accel". this is case-sensitive. specifications specification status comment document object model (dom) level 3 events specificationthe definition of 'getmodifierstate()' in that specification. obsolete initial definition. ...

nsIDOMWindowUtils
astring atype); obsolete since gecko 9 void sendcompositionevent(in astring atype, in astring adata, in astring alocale); obsolete since gecko 38.0 void sendcontentcommandevent(in astring atype, [optional] in nsitransferable atransferable); void getclassname(in object aobj); boolean sendkeyevent(in astring atype, in long akeycode, in long acharcode, in long amodifiers, [optional] in boolean apreventdefault); obsolete since gecko 15.0 boolean sendkeyevent(in astring atype, in long akeycode, in long acharcode, in long amodifiers, [optional] in unsigned long aadditionalflags); deprecated since gecko 38.0 void sendmouseevent(in astring atype, in float ax, in float ay, in long abutton, in long aclickcount, in long amodifiers, [optional] in boole...
...long amodifiers, [optional] in unsigned long aadditionalflags); deprecated since gecko 38.0 void sendmouseevent(in astring atype, in float ax, in float ay, in long abutton, in long aclickcount, in long amodifiers, [optional] in boolean aignorerootscrollframe); void sendmouseeventtowindow(in astring atype, in float ax, in float ay, in long abutton, in long aclickcount, in long amodifiers, [optional] in boolean aignorerootscrollframe); void sendmousescrollevent(in astring atype, in float ax, in float ay, in long abutton, in long ascrollflags, in long adelta, in long amodifiers); obsolete since gecko 17.0 void sendwheelevent(in float ax, in float ay, in double adeltax, in double adeltay, in double adeltaz, in unsigned long adeltamode, in long amodifiers, in long...
... sendselectionsetevent(in unsigned long aoffset, in unsigned long alength, in boolean areverse); obsolete since gecko 31.0 boolean sendselectionsetevent(in unsigned long aoffset, in unsigned long alength, [optional] in unsigned long aadditionalflags); void sendsimplegestureevent(in astring atype, in float ax, in float ay, in unsigned long adirection, in double adelta, in long amodifiers); void sendtextevent(in astring acompositionstring, in long afirstclauselength, in unsigned long afirstclauseattr, in long asecondclauselength, in unsigned long asecondclauseattr, in long athirdclauselength, in unsigned long athirdclauseattr, in long acaretstart, in long acaretlength); obsolete since gecko 26 boolean sendtouchevent(in astring atype, [array, size_is(count)] in p...
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Keyboard Shortcuts - Archive of obsolete content
omething using a script. for example, copying text to the clipboard should only work when some text is selected. key element xul provides an element, key, which lets you define a keyboard shortcut for a window. it has attributes to specify the key that should be pressed and what modifier keys (such as shift or ctrl) need to be pressed. ...
...it is a space-separated list of modifier keys, which are listed below. alt the user must press the alt key. on the macintosh, this is the option key. control the user must press the ctrl key. meta the user must press the meta key. this is the command key on the macintosh. ...
...r"/> </keyset> this sample defines a keyboard shortcut that is activated when the user presses the shift key and r. the key attribute (note that it has the same name as the element itself) can be used to indicate which key should be pressed, in this case r. you could add any character for this attribute to require that key to be pressed. the modifiers that must be pressed are indicated with the modifiers attribute. it is a space-separated list of modifier keys, which are listed below. alt the user must press the alt key. on the macintosh, this is the option key. control the user must press the ctrl key. meta the user must press the meta key. this is the command key on the macintosh. shift the user must press the shift key. os the user must press the win key. this is the super key or t...
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key - Archive of obsolete content
« xul reference home [ examples | attributes | properties | methods | related ] the key element defines a window-global keyboard shortcut and must be placed inside a keyset element. when a key matching the attributes on the key element is pressed, the command will be fired on the key element. the key pressed must match the key attribute (or keycode attribute) as well as the modifiers attribute in order for the key element to be activated. for the shortcut defined using the key element to work, you must specify a command attribute (or an oncommand handler) on the key element. to display the shortcut defined with the key element in the ui, you can use <menuitem key="key element's id" command="command id" .../>. in order to use (non-default) key commands within specific elemen...
... an oncommand handler) on the key element. to display the shortcut defined with the key element in the ui, you can use <menuitem key="key element's id" command="command id" .../>. in order to use (non-default) key commands within specific elements, you will need to listen for key events. more information is available in the xul tutorial. attributes command, disabled, key, keycode, keytext, modifiers, oncommand, phase examples (example needed) attributes command type: id set to the id of a command element that is being observed by the element. disabled type: boolean indicates whether the element is disabled or not. if this attribute is set, the element is disabled. disabled elements are usually drawn with grayed-out text. if the element is disabled, it does not respond...
...pe: string key code for keys that do not have displayable characters, such as the enter key or function keys, use this attribute instead of the key attribute. valid keys are listed at keyboard shortcuts. keytext type: string a label for the keyboard shortcut. this text would appear next to a menuitem label if that menuitem is associated with the key element via its key attribute. modifiers type: space-separated list of the values below a list of modifier keys that should be pressed to invoke the keyboard shortcut. multiple keys may be separated by spaces or commas. keys will map to other keys on platforms that do not have them. shift: the shift key. alt: the alt key. on the macintosh, this is the option key. on macintosh this can only be used in conjunction with another modi...
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nsITextInputProcessor
lean commitcomposition([optional] in nsidomkeyevent adomkeyevent, [optional] in unsigned long akeyflags); boolean commitcompositionwith(in domstring acommitstring, [optional] in nsidomkeyevent adomkeyevent, [optional] in unsigned long akeyflags); boolean flushpendingcomposition([optional] in nsidomkeyevent adomkeyevent, [optional] in unsigned long akeyflags); boolean getmodifierstate(in domstring amodifierkeyname); boolean keydown([optional] in nsidomkeyevent adomkeyevent, [optional] in unsigned long akeyflags); boolean keyup([optional] in nsidomkeyevent adomkeyevent, [optional] in unsigned long akeyflags); void setcaretinpendingcomposition(in unsigned long aoffset); void setpendingcompositionstring(in domstring astring); void ...
...true if it has composition. read only. constants constant value descrip...
...ould be. see also how to create keyboardevent instance for nsitextinputprocessor. akeyflags optional see key_* constants. if this is not specified, the value is assumed as 0. return value when there is no composition which was created by the instance and if compositionstart is consumed by web contents, i.e., failed to start new composition, this returns false. otherwise, it returns true. getmodifierstate() getting modifier state. this is similar to keyboardevent.getmodifierstate() [en-us]. the result is the modifier state of managed by the instance. boolean getmodifierstate(in domstring amodifierkeyname); parameters amodifierkeyname a modifier key name which is defined by dom level 3 keyboardevents key values. return value true if the modifier state is active. otherwise, false. key...
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Elements - Archive of obsolete content
ntent "pcdata"> <!element handler %handler-content;> <!attlist handler id id #implied event nmref #required action cdata #implied phase (capturing|bubbling|target) #implied button (1|2|3) #implied modifiers cdata #implied keycode cdata #implied key cdata #implied charcode cdata #implied clickcount (1|2|3) #implied command id #implied preventdefault fa...
...ler will only be invoked during that phase of the event handling process. if no phase is specified, a default of bubbling is assumed. button - the button attribute imposes a filter on the handler. it is used with mouse handlers to specify a particular button. the event handler will only be matched if the value of the button field in the dom mouse event object matches the value of the attribute. ...
... invoked during that phase of the event handling process. if no phase is specified, a default of bubbling is assumed. button - the button attribute imposes a filter on the handler. it is used with mouse handlers to specify a particular button. the event handler will only be matched if the value of the button field in the dom mouse event object matches the value of the attribute. ...
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nss tech note1
allocate memory as needed. decoder templates : the sec_asn1template structure tells the decoder what to do with the input data. this structure contains four fields : kind . this 32-bit field tells the decoder what to do with a particular component within the input data. it is made of two parts : the lower byte, which can contain asn.1 tags, and the upper 3 bytes, which can contain decoder modifiers. if only an asn.1 tag is specified without a modifier, then the decoder will enforce the presence of a component of that type, and fail if it does not match. if kind is an asn.1 sequence tag (sec_asn1_sequence), then you must specify additional templates in a null-terminated array to define the content of the of the asn.1 sequence. if kind is the sec_asn1_choice modifier, you must also specify ad...
... first template structure passed to the decoder will be considered, even if additonal templates are passed in an array. when only one template is needed, you do not need a null template to terminate the array. offset† . this field does not apply to all template types. it is only needed if the template instructs the decoder to save some data, such as for primitive component types, or for some modifiers where noted.when needed, it tells the decoder where in the target data to save the current component. it is normally relative to the dest argument passed to the decoder. if templates are nested, the offset applies to the location of the current component within the target component, typically the decoded sequence. sub† . this field does not apply to all template types. if kind contains the s...
...the decoder where in the target data to save the current component. it is normally relative to the dest argument passed to the decoder. if templates are nested, the offset applies to the location of the current component within the target component, typically the decoded sequence. sub† . this field does not apply to all template types. if kind contains the sec_asn1_inline or sec_asn1_pointer modifiers, then it must point to the required subtemplate. if kind contains the sec_asn1_xtrn or sec_asn1_dynamic modifiers, this is a pointer to a callback function that will dynamically return the required subtemplate. size† . this field does not apply to all template types. it is only required for dynamically allocating memory for the structure if the template is being included from an asn.1 sequen...
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Adding Event Handlers to XBL-defined Elements - Archive of obsolete content
. the previous example could be extended so that the checked property of the check box is changed when the space bar is pressed. <handlers> <handler event="keypress" key=" " action="this.checked=!checked"/> </handlers> you can also use the keycode attribute to check for non-printable keys. the section on keyboard shortcuts provides more information. the modifier keys can be checked by adding a modifiers attribute. this should be set to one of the values set below: alt the user must press the alt key. control the user must press the control key. meta the user must press the meta key. shift the user must press the shift key. accel the user must press the special modifier key that is usually used for keyboard shortcuts o...
...this...
...a field clipboard has been added to it to store the clipboard contents. this does mean that the clip...
...a field clipboard has been added to it to store the clipboard contents. ...

nsIFrameLoader
across processes if electrolysis is in use to support per-frame processes. ...
...this can be used to decide what operations may or may...
...void loaduri( in nsiuri auri ); parameters auri the uri to load into the frame. sendcrossprocesskeyevent() creates and sends a keyevent to the content viewport's process. see nsidomwindowutils.sendkeyevent() for details; this method is its equivalent for cross-process event handling. void sendcrossprocesskeyevent( in astring atype, in long akeycode, in long acharcode, in long amodifiers, [optional] in boolean apreventdefault ); parameters atype the event type. akeycode the key code. acharcode the character code. amodifiers the modifier flags. apreventdefault whether or not to prevent default actions from being performed. sendcrossprocessmouseevent() creates and sends a mouseevent to the content viewport's process. see nsidomwindowutils.sendmouseevent() for det...
...to prevent default actions from being performed. sendcrossprocessmouseevent() creates and sends a mouseevent to the content viewport's process. see nsidomwindowutils.sendmouseevent() for details; this method is its equivalent for cross-process event handling. void sendcrossprocessmouseevent( in astring atype, in float ax, in float ay, in long abutton, in long aclickcount, in long amodifiers, [optional] in boolean aignorerootscrollframe ); parameters atype the type of mouse event to send. ax the x coordinate of the mouse. ay the y coordinate of the mouse. abutton which button was clicked, if any. aclickcount the number of clicks comprising the mouse button event, if any. amodifiers the modifier keys in effect at the time of the event. aignorerootscrollframe optiona...

Index - Web APIs
there are some differences in which keys map to which codes. these tables show those variations when known. 2209 keyboardevent.ctrlkey api, dom, keyboardevent, property, read-only, reference the keyboardevent.ctrlkey read-only property returns a boolean that indicates if the control key was pressed (true) or not (false) when the event occured. 2210 keyboardevent.getmodifierstate() api, dom, keyboardevent, method, reference, getmodifierstate the keyboardevent.getmodifierstate() method returns the current state of the specified modifier key: true if the modifier is active (that is the modifier key is pressed or locked), otherwise, false. 2211 keyboardevent.initkeyevent() api, dom, deprecated, keyboardevent, method, reference the keyboarde...
..., property, read-only, reference the keyboardevent interface's key read-only property returns the value of the key pressed by the user, taking into consideration the state of modifier keys such as shift as well as the keyboard locale and layout. 2215 key values characters, dom, key codes, key values, keyboardevent, keycodes, keypad, keystrokes, meta, meta keys, modifier keys, modifiers, reference, ui events, events, keyboard, keys the tables below list the standard key values in various categories of key, with an explanation of what the key is typically used for. corresponding virtual keycodes for common platforms are included where available. 2216 keyboardevent.keycode api, dom, dom events, deprecated, keyboardevent, property, read-only, reference, keycode...
...ate within the application's client area at which the event occurred (as opposed to the coordinate within the page). 2584 mouseevent.ctrlkey api, dom, dom events, mouseevent, property, read-only, reference the mouseevent.ctrlkey read-only property is a boolean that indicates whether the ctrl key was pressed or not when a given mouse event occurs. 2585 mouseevent.getmodifierstate() api, dom, dom events, method, mouseevent, reference, getmodifierstate the mouseevent.getmodifierstate() method returns the current state of the specified modifier key: true if the modifier is active (i.e., the modifier key is pressed or locked), otherwise, false. 2586 mouseevent.initmouseevent() api, dom, dom events, deprecated, method, mouseevent, reference t...
...r has not registered or chosen a payment instrument. 2945 paymentrequestevent.methoddata the methoddata read-only property of the paymentrequestevent interface returns an array of paymentmethoddata objects containing payment method identifers for the payment methods that the web site accepts and any associated payment method specific data. 2946 paymentrequestevent.modifiers the modifiers read-only property of the paymentrequestevent interface returns an array of objects containing changes to payment details. 2947 paymentrequestevent.openwindow() api, method, payment request api, paymentrequestevent, reference, openwindow(), payment the openwindow property of the paymentrequestevent interface opens the specified url in a new window, if...

Creating a Firefox sidebar extension - Archive of obsolete content
us \- skin create all folders, except for skin. it is not used for this tutorial. the locale holds the locale, only the en-us locale is created. it is listed in example 2. the locale includes the name and shortcut keys for the sidebar. example 2. chrome/locale/emptysidebar.dtd <!entity emptysidebar.title "emptysidebar"> <!entity openemptysidebar.commandkey "e"> <!entity openemptysidebar.modifierskey "shift accel"> the content folder includes our sidebar, the emptysidebar.xul is shown in example 3. it creates a page holding one label. other elements can be included, please read the xul tutorials for more information. example 3. chrome/content/emptysidebar.xul <?xml version="1.0"?> <?xml-stylesheet href="chrome://global/skin/" type="text/css" ?> <?xml-stylesheet href="chrome://browser...
...mptysidebar.dtd"> <overlay id="emptysidebaroverlay" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <menupopup id="viewsidebarmenu"> <menuitem key="key_openemptysidebar" observes="viewemptysidebar" /> </menupopup> <keyset id="mainkeyset"> <key id="key_openemptysidebar" command="viewemptysidebar" key="&openemptysidebar.commandkey;" modifiers="&openemptysidebar.modifierskey;" /> </keyset> <broadcasterset id="mainbroadcasterset"> <broadcaster id="viewemptysidebar" label="&emptysidebar.title;" autocheck="false" type="checkbox" group="sidebar" sidebarurl="chrome://emptysidebar/content/emptysidebar.xul" sidebartitle="&emptysideba...
...ster serves two purposes. the first is it indirectly provides the arguments for the togglesidebar function. the second is it provides attributes to the menuitem, some of which are changed automatically when togglesidebar is called. see code_snippets/sidebar for more information. if the sidebar is not going to have a command-key, one can remove the openemptysidebar.commandkey and openemptysidebar.modifierskey keys from the dtd, remove the <keyset> from the firefoxoverlay.xul file. one must then set the key attribute of the menuitem to "". the extension needs to provide some special manifest files that control how it is installed and where its chrome resources are stored. the first is install.rdf, the install manifest. see install manifests for a complete listing of the required and optional proper...

Chapter 3: Introduction to XUL—How to build a more intuitive UI - Archive of obsolete content
is declared as a browser element with type="content-primary". keyboard shortcuts to implement keyboard shortcuts (pressing a key while holding down modifier keys like control or shift.) in a dhtml-based interface, you need a script that will intercept keyboard inputs. in xul, you can define keyboard shortcuts simply by using the key element, as shown in listing 19. <key id="key-save" key="s" modifiers="accel,shift" oncommand="save();"/> <key id="key-scroll-up" keycode="vk_page_up" oncommand="advancefocus(-1);"/> listing 19: defining keyboard shortcuts to make letters, numbers, symbols, or the space bar act as triggers, declare that character as the key attribute’s value. you can use either uppercase and lowercase letters and they will be handled the same. for triggers on other special ke...
...y key; the most commonly used ones are shown in table 3. key keycode name return vk_return enter vk_enter backspace vk_back_space delete vk_delete escape vk_escape ↑ vk_up ↓ vk_down ← vk_left → vk_right table 3: typical keycode names using modifier keys use the modifiers attribute with one or more of the following comma-delimited values: "control", "alt", "shift", and "meta" in order to limit the use of keyboard shortcuts to only operate when those modifier keys are pressed together with another key. the standard modifier key on windows and linux is control; on mac os it is command. an easy way to automatically use the modifier key appropriate for the current pla...