ruby-****@lists*****
ruby-****@lists*****
2003年 3月 24日 (月) 09:42:43 JST
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= class Gtk::Button
The Gtk::Button widget is generally used to attach a function to that is called when the button is pressed. The various signals and how to use them are outlined below.
The Gtk::Button widget can hold any valid child widget. That is it can hold most any other standard Gtk::Widget. The most commonly used child is the Gtk::Label.
== super class
* Gtk::Bin
== class methods
--- Gtk::Button.new
Creates a Gtk::Button widget.
* Returns: The newly created Gtk::Button widget.
--- Gtk::Button.new(text, use_underline = true)
Creates a Gtk::Button widget with a Gtk::Label child containing the given text.
* text: The text you want the Gtk::Label to hold.
* use_underline: If true and characters in label are preceded by an underscore, they are underlined. If you need a literal underscore character in a label, use '__' (two underscores). The first underlined character represents a keyboard accelerator called a mnemonic. Pressing Alt and that key activates the button.
* Returns: The newly created Gtk::Button widget.
--- Gtk::Button.new(stock_id)
Creates a new Gtk::Button containing the image and text from a stock item(constants of Gtk::Stock). For example, Gtk::Stock::OK, Gtk::Stock::APPLY.
* Returns: The newly created Gtk::Button widget.
== public instance methods
--- pressed
Emits a 'pressed' signal to itself.
* Returns: self
--- released
Emits a 'released' signal to itself.
--- clicked
Emits a 'clicked' signal to itself.
--- enter
Emits a 'enter' signal to itself.
--- leave
Emits a 'leave' signal to itself.
--- relief
Returns the current relief style of the given Gtk::Button.
* Returns: The current GtkReliefStyle
--- relief=(newstyle)
Sets the relief style of the edges of the given Gtk::Button widget. Three styles exist, Gtk::RELIEF_NORMAL, Gtk::RELIEF_HALF, Gtk::RELIEF_NONE. The default style is, as one can guess, Gtk::RELIEF_NORMAL. * newstyle: The GtkReliefStyle as described above.
* Returns: newstyle
--- set_relief(newstyle)
Same as relief=.
* newstyle: The GtkReliefStyle.
* Returns: self
--- label
Fetches the text from the label of the button, as set by Gtk::Button#label=. If the label text has not been set the return value will be nil. This will be the case if you create an empty button with Gtk::Button.new to use as a container.
* Returns: The text of the label widget.
--- label=(text)
Sets the text of the label of the button to str. This text is also used to select the stock item if Gtk::Button#use_stock= is used.
This will also clear any previously set labels.
* text: a string for the label text, a constant of Gtk::Stock for the stock item.
* Returns: text
--- set_label(text)
Same as label=.
* text: a string for the label text, a constant of Gtk::Stock for the stock item.
* Returns: self
--- use_stock?
Returns whether the button label is a stock item.
--- use_stock=(use_stock)
If true, the label set on the button is used as a stock id to select the stock item for the button.
* use_stock: true if the button should use a stock item
* Returns: use_stock
--- set_use_stock(use_stock)
Same as use_stock=.
* use_stock: true if the button should use a stock item
* Returns: self
--- use_underline?
Returns whether an embedded underline in the button label indicates a mnemonic. See Gtk::Button#use_underline=.
* Returns: true if an embedded underline in the button label indicates the mnemonic accelerator keys.
--- use_underline=(use_underline)
If true, an underline in the text of the button label indicates the next character should be used for the mnemonic accelerator key.
* use_underline: true if underlines in the text indicate mnemonics
* Returns: use_underline
--- set_use_underline(use_underline)
Same as use_underline=.
* use_underline: true if underlines in the text indicate mnemonics
* Returns: self
== signals
--- activate: self
* self: Gtk::Button
--- clicked: self
* self: Gtk::Button
--- enter: self
* self: Gtk::Button
--- leave: self
* self: Gtk::Button
--- pressed: self
* self: Gtk::Button
--- released: self
* self: Gtk::Button
- Masao
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= class Gtk::Button
The Gtk::Button widget is generally used to attach a function to that is called when the button is pressed. The various signals and how to use them are outlined below.
The Gtk::Button widget can hold any valid child widget. That is it can hold most any other standard Gtk::Widget. The most commonly used child is the Gtk::Label.
== super class
* Gtk::Bin
== class methods
--- Gtk::Button.new
Creates a Gtk::Button widget.
* Returns: The newly created Gtk::Button widget.
--- Gtk::Button.new(text, use_underline = true)
Creates a Gtk::Button widget with a Gtk::Label child containing the given text.
* text: The text you want the Gtk::Label to hold.
* use_underline: If true and characters in label are preceded by an underscore, they are underlined. If you need a literal underscore character in a label, use '__' (two underscores). The first underlined character represents a keyboard accelerator called a mnemonic. Pressing Alt and that key activates the button.
* Returns: The newly created Gtk::Button widget.
--- Gtk::Button.new(stock_id)
Creates a new Gtk::Button containing the image and text from a stock item(constants of Gtk::Stock). For example, Gtk::Stock::OK, Gtk::Stock::APPLY.
* Returns: The newly created Gtk::Button widget.
== public instance methods
--- pressed
Emits a 'pressed' signal to itself.
* Returns: self
--- released
Emits a 'released' signal to itself.
--- clicked
Emits a 'clicked' signal to itself.
--- enter
Emits a 'enter' signal to itself.
--- leave
Emits a 'leave' signal to itself.
--- relief
Returns the current relief style of the given Gtk::Button.
* Returns: The current GtkReliefStyle
--- relief=(newstyle)
Sets the relief style of the edges of the given Gtk::Button widget. Three styles exist, Gtk::RELIEF_NORMAL, Gtk::RELIEF_HALF, Gtk::RELIEF_NONE. The default style is, as one can guess, Gtk::RELIEF_NORMAL. * newstyle: The ((<GtkReliefStyle|Gtk#GtkReliefStyle>)) as described above.
* Returns: newstyle
--- set_relief(newstyle)
Same as relief=.
* newstyle: The GtkReliefStyle.
* Returns: self
--- label
Fetches the text from the label of the button, as set by Gtk::Button#label=. If the label text has not been set the return value will be nil. This will be the case if you create an empty button with Gtk::Button.new to use as a container.
* Returns: The text of the label widget.
--- label=(text)
Sets the text of the label of the button to str. This text is also used to select the stock item if Gtk::Button#use_stock= is used.
This will also clear any previously set labels.
* text: a string for the label text, a constant of Gtk::Stock for the stock item.
* Returns: text
--- set_label(text)
Same as label=.
* text: a string for the label text, a constant of Gtk::Stock for the stock item.
* Returns: self
--- use_stock?
Returns whether the button label is a stock item.
--- use_stock=(use_stock)
If true, the label set on the button is used as a stock id to select the stock item for the button.
* use_stock: true if the button should use a stock item
* Returns: use_stock
--- set_use_stock(use_stock)
Same as use_stock=.
* use_stock: true if the button should use a stock item
* Returns: self
--- use_underline?
Returns whether an embedded underline in the button label indicates a mnemonic. See Gtk::Button#use_underline=.
* Returns: true if an embedded underline in the button label indicates the mnemonic accelerator keys.
--- use_underline=(use_underline)
If true, an underline in the text of the button label indicates the next character should be used for the mnemonic accelerator key.
* use_underline: true if underlines in the text indicate mnemonics
* Returns: use_underline
--- set_use_underline(use_underline)
Same as use_underline=.
* use_underline: true if underlines in the text indicate mnemonics
* Returns: self
== signals
--- activate: self
* self: Gtk::Button
--- clicked: self
* self: Gtk::Button
--- enter: self
* self: Gtk::Button
--- leave: self
* self: Gtk::Button
--- pressed: self
* self: Gtk::Button
--- released: self
* self: Gtk::Button
- Masao