GTK - Revision history

Paul at 16:12, 28 October 2018

2018-10-28T16:12:27Z

← Older revision		Revision as of 16:12, 28 October 2018
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	* Top-level windows are placed by the window manager and so you should not assume any particular position.		* Top-level windows are placed by the window manager and so you should not assume any particular position.
	* After calling <code>gtk_main()</code>, control of the program cannot be regained until a callback function is initialised.		* After calling <code>gtk_main()</code>, control of the program cannot be regained until a callback function is initialised.

			== Console debugging ==

			Data can be sent to the console via <code>g_print</code>.

	== Labels ==		== Labels ==

2018-10-28T15:53:37Z

Simple Makefile

2018-07-04T14:39:07Z

Signals and callbacks

← Older revision		Revision as of 14:39, 4 July 2018
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	# <code>gpointer object</code>: The object to connect the signal to.		# <code>gpointer object</code>: The object to connect the signal to.
	# <code>const gchar *signal_name</code>: The name of the signal to be connected.		# <code>const gchar *signal_name</code>: The name of the signal to be connected.
	# <code>GCallBack handler</code>: The name of the callback handler (a function).		# <code>GCallBack handler</code>: The name of the callback handler (a function). Must be cast with <code>G_CALLBACK</code>.
	# <code>gpointer data</code>: Optional data, can be set to <code>NULL</code>.		# <code>gpointer data</code>: Optional data, can be set to <code>NULL</code>.

2018-07-04T14:37:23Z

Signals and callbacks

← Older revision		Revision as of 14:37, 4 July 2018
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	Signals are inherited from parent structures.		Signals are inherited from parent structures.

			<code>g_signal_connect</code> requires the following parameters:

			# <code>gpointer object</code>: The object to connect the signal to.
			# <code>const gchar *signal_name</code>: The name of the signal to be connected.
			# <code>GCallBack handler</code>: The name of the callback handler (a function).
			# <code>gpointer data</code>: Optional data, can be set to <code>NULL</code>.

	== Simple Makefile ==		== Simple Makefile ==

2018-07-04T14:34:48Z

Signals and callbacks

← Older revision		Revision as of 14:34, 4 July 2018
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	<code>g_signal_connect()</code> returns a handler identifier which can be used with the <code>g_signal_handler</code> functions.		<code>g_signal_connect()</code> returns a handler identifier which can be used with the <code>g_signal_handler</code> functions.

			Signals are inherited from parent structures.

	== Simple Makefile ==		== Simple Makefile ==

2018-07-04T14:28:44Z

Containers

← Older revision		Revision as of 14:28, 4 July 2018
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	* A widget can be added as the child of a container by calling: <code>void gtk_container_add(GtkContainer container, GtkWidget child)</code>		* A widget can be added as the child of a container by calling: <code>void gtk_container_add(GtkContainer container, GtkWidget child)</code>
			* <code>GtkWindow</code> is derived from <code>GtkBin</code>, which can only contain one child. However, that child can be a container itself, which may in turn contain multiple children.

	== Signals and callbacks ==		== Signals and callbacks ==

2018-07-04T14:22:43Z

← Older revision		Revision as of 14:22, 4 July 2018
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	* Label text can be set when the label is created: <code>GtkWidget* gtk_label_new(const gchar *str)</code>		* Label text can be set when the label is created: <code>GtkWidget* gtk_label_new(const gchar *str)</code>
	* Label text cannot be selected by default. Enable it by calling: <code>void gtk_label_set_selectable(GtkLabel *label, gboolean selectable)</code>. Error messages should always be selectable so that they can be copied and pasted into bug reports, search engines etc.		* Label text cannot be selected by default. Enable it by calling: <code>void gtk_label_set_selectable(GtkLabel *label, gboolean selectable)</code>. Error messages should always be selectable so that they can be copied and pasted into bug reports, search engines etc.

			== Containers ==

			* A widget can be added as the child of a container by calling: <code>void gtk_container_add(GtkContainer container, GtkWidget child)</code>

	== Signals and callbacks ==		== Signals and callbacks ==

2018-07-04T14:20:59Z

Labels

← Older revision		Revision as of 14:20, 4 July 2018
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	* Label text can be set when the label is created: <code>GtkWidget* gtk_label_new(const gchar *str)</code>		* Label text can be set when the label is created: <code>GtkWidget* gtk_label_new(const gchar *str)</code>
	* Label text cannot be selected by default. Enable it by calling: <code>void gtk_label_set_selectable(GtkLabel *label, gboolean selectable)</code>		* Label text cannot be selected by default. Enable it by calling: <code>void gtk_label_set_selectable(GtkLabel *label, gboolean selectable)</code>. Error messages should always be selectable so that they can be copied and pasted into bug reports, search engines etc.

	== Signals and callbacks ==		== Signals and callbacks ==

2018-07-04T14:20:24Z

← Older revision		Revision as of 14:20, 4 July 2018
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	* Top-level windows are placed by the window manager and so you should not assume any particular position.		* Top-level windows are placed by the window manager and so you should not assume any particular position.
	* After calling <code>gtk_main()</code>, control of the program cannot be regained until a callback function is initialised.		* After calling <code>gtk_main()</code>, control of the program cannot be regained until a callback function is initialised.

			== Labels ==

			* Label text can be set when the label is created: <code>GtkWidget* gtk_label_new(const gchar *str)</code>
			* Label text cannot be selected by default. Enable it by calling: <code>void gtk_label_set_selectable(GtkLabel *label, gboolean selectable)</code>

	== Signals and callbacks ==		== Signals and callbacks ==

2018-07-04T14:15:37Z

General

← Older revision		Revision as of 14:15, 4 July 2018
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	* <code>gtk_widget_set_sensitive</code> sets a widget as active or inactive. Children take their sensitivity from their parents and any change to the parent will automatically affect the children.		* <code>gtk_widget_set_sensitive</code> sets a widget as active or inactive. Children take their sensitivity from their parents and any change to the parent will automatically affect the children.
	* <code>gtk_window_set_icon_from_file</code> sets the file icon, and will be automatically resized as required.		* <code>gtk_window_set_icon_from_file</code> sets the file icon, and will be automatically resized as required.
			* Top-level windows are placed by the window manager and so you should not assume any particular position.
			* After calling <code>gtk_main()</code>, control of the program cannot be regained until a callback function is initialised.

	== Signals and callbacks ==		== Signals and callbacks ==