X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtktogglebutton.c;h=999710c1671d93592c7f7a0f86e114a90356dc5d;hb=bda5987335b8c7828ebf1d289a91accfe2e74dbe;hp=f29ef7dc1c87250046522509d163cafc33cc37e4;hpb=a57035d9d10b26335fcaaec12185188cbcfa5db5;p=~andy%2Fgtk diff --git a/gtk/gtktogglebutton.c b/gtk/gtktogglebutton.c index f29ef7dc1..999710c16 100644 --- a/gtk/gtktogglebutton.c +++ b/gtk/gtktogglebutton.c @@ -12,9 +12,7 @@ * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library. If not, see . */ /* @@ -24,18 +22,84 @@ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ -#include -#include "gtkalias.h" +#include "config.h" + +#include "gtktogglebutton.h" + +#include "gtkbuttonprivate.h" #include "gtklabel.h" #include "gtkmain.h" #include "gtkmarshalers.h" -#include "gtktogglebutton.h" +#include "gtktoggleaction.h" +#include "gtkactivatable.h" +#include "gtkprivate.h" #include "gtkintl.h" +#include "a11y/gtktogglebuttonaccessible.h" + + +/** + * SECTION:gtktogglebutton + * @Short_description: Create buttons which retain their state + * @Title: GtkToggleButton + * @See_also: #GtkButton, #GtkCheckButton, #GtkCheckMenuItem + * + * A #GtkToggleButton is a #GtkButton which will remain 'pressed-in' when + * clicked. Clicking again will cause the toggle button to return to its + * normal state. + * + * A toggle button is created by calling either gtk_toggle_button_new() or + * gtk_toggle_button_new_with_label(). If using the former, it is advisable to + * pack a widget, (such as a #GtkLabel and/or a #GtkImage), into the toggle + * button's container. (See #GtkButton for more information). + * + * The state of a #GtkToggleButton can be set specifically using + * gtk_toggle_button_set_active(), and retrieved using + * gtk_toggle_button_get_active(). + * + * To simply switch the state of a toggle button, use gtk_toggle_button_toggled(). + * + * + * Creating two #GtkToggleButton widgets. + * + * void make_toggles (void) { + * GtkWidget *dialog, *toggle1, *toggle2; + * + * dialog = gtk_dialog_new (); + * toggle1 = gtk_toggle_button_new_with_label ("Hi, i'm a toggle button."); + * + * // Makes this toggle button invisible + * gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (toggle1), TRUE); + * + * g_signal_connect (toggle1, "toggled", + * G_CALLBACK (output_state), NULL); + * gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), + * toggle1, FALSE, FALSE, 2); + * + * toggle2 = gtk_toggle_button_new_with_label ("Hi, i'm another toggle button."); + * gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (toggle2), FALSE); + * g_signal_connect (toggle2, "toggled", + * G_CALLBACK (output_state), NULL); + * gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), + * toggle2, FALSE, FALSE, 2); + * + * gtk_widget_show_all (dialog); + * } + * + * + */ + #define DEFAULT_LEFT_POS 4 #define DEFAULT_TOP_POS 4 #define DEFAULT_SPACING 7 +struct _GtkToggleButtonPrivate +{ + guint active : 1; + guint draw_indicator : 1; + guint inconsistent : 1; +}; + enum { TOGGLED, LAST_SIGNAL @@ -49,10 +113,6 @@ enum { }; -static void gtk_toggle_button_class_init (GtkToggleButtonClass *klass); -static void gtk_toggle_button_init (GtkToggleButton *toggle_button); -static gint gtk_toggle_button_expose (GtkWidget *widget, - GdkEventExpose *event); static gboolean gtk_toggle_button_mnemonic_activate (GtkWidget *widget, gboolean group_cycling); static void gtk_toggle_button_pressed (GtkButton *button); @@ -68,56 +128,35 @@ static void gtk_toggle_button_get_property (GObject *object, GParamSpec *pspec); static void gtk_toggle_button_update_state (GtkButton *button); -static guint toggle_button_signals[LAST_SIGNAL] = { 0 }; -static GtkContainerClass *parent_class = NULL; -GType -gtk_toggle_button_get_type (void) -{ - static GType toggle_button_type = 0; +static void gtk_toggle_button_activatable_interface_init (GtkActivatableIface *iface); +static void gtk_toggle_button_update (GtkActivatable *activatable, + GtkAction *action, + const gchar *property_name); +static void gtk_toggle_button_sync_action_properties (GtkActivatable *activatable, + GtkAction *action); - if (!toggle_button_type) - { - static const GTypeInfo toggle_button_info = - { - sizeof (GtkToggleButtonClass), - NULL, /* base_init */ - NULL, /* base_finalize */ - (GClassInitFunc) gtk_toggle_button_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (GtkToggleButton), - 0, /* n_preallocs */ - (GInstanceInitFunc) gtk_toggle_button_init, - }; - - toggle_button_type = - g_type_register_static (GTK_TYPE_BUTTON, "GtkToggleButton", - &toggle_button_info, 0); - } +static GtkActivatableIface *parent_activatable_iface; +static guint toggle_button_signals[LAST_SIGNAL] = { 0 }; - return toggle_button_type; -} +G_DEFINE_TYPE_WITH_CODE (GtkToggleButton, gtk_toggle_button, GTK_TYPE_BUTTON, + G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE, + gtk_toggle_button_activatable_interface_init)) static void gtk_toggle_button_class_init (GtkToggleButtonClass *class) { GObjectClass *gobject_class; GtkWidgetClass *widget_class; - GtkContainerClass *container_class; GtkButtonClass *button_class; gobject_class = G_OBJECT_CLASS (class); widget_class = (GtkWidgetClass*) class; - container_class = (GtkContainerClass*) class; button_class = (GtkButtonClass*) class; - parent_class = g_type_class_peek_parent (class); - gobject_class->set_property = gtk_toggle_button_set_property; gobject_class->get_property = gtk_toggle_button_get_property; - widget_class->expose_event = gtk_toggle_button_expose; widget_class->mnemonic_activate = gtk_toggle_button_mnemonic_activate; button_class->pressed = gtk_toggle_button_pressed; @@ -132,9 +171,9 @@ gtk_toggle_button_class_init (GtkToggleButtonClass *class) PROP_ACTIVE, g_param_spec_boolean ("active", P_("Active"), - P_("If the toggle button should be pressed in or not"), + P_("If the toggle button should be pressed in"), FALSE, - G_PARAM_READWRITE)); + GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_INCONSISTENT, @@ -142,41 +181,119 @@ gtk_toggle_button_class_init (GtkToggleButtonClass *class) P_("Inconsistent"), P_("If the toggle button is in an \"in between\" state"), FALSE, - G_PARAM_READWRITE)); + GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DRAW_INDICATOR, - g_param_spec_boolean ("draw_indicator", + g_param_spec_boolean ("draw-indicator", P_("Draw Indicator"), P_("If the toggle part of the button is displayed"), FALSE, - G_PARAM_READWRITE)); - + GTK_PARAM_READWRITE)); + + /** + * GtkToggleButton::toggled: + * @togglebutton: the object which received the signal. + * + * Should be connected if you wish to perform an action whenever the + * #GtkToggleButton's state is changed. + */ toggle_button_signals[TOGGLED] = - g_signal_new ("toggled", + g_signal_new (I_("toggled"), G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GtkToggleButtonClass, toggled), NULL, NULL, _gtk_marshal_VOID__VOID, G_TYPE_NONE, 0); + + g_type_class_add_private (class, sizeof (GtkToggleButtonPrivate)); + + gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE); } static void gtk_toggle_button_init (GtkToggleButton *toggle_button) { - toggle_button->active = FALSE; - toggle_button->draw_indicator = FALSE; - GTK_BUTTON (toggle_button)->depress_on_activate = TRUE; + GtkToggleButtonPrivate *priv; + + toggle_button->priv = G_TYPE_INSTANCE_GET_PRIVATE (toggle_button, + GTK_TYPE_TOGGLE_BUTTON, + GtkToggleButtonPrivate); + priv = toggle_button->priv; + + priv->active = FALSE; + priv->draw_indicator = FALSE; + GTK_BUTTON (toggle_button)->priv->depress_on_activate = TRUE; +} + +static void +gtk_toggle_button_activatable_interface_init (GtkActivatableIface *iface) +{ + parent_activatable_iface = g_type_interface_peek_parent (iface); + iface->update = gtk_toggle_button_update; + iface->sync_action_properties = gtk_toggle_button_sync_action_properties; } +static void +gtk_toggle_button_update (GtkActivatable *activatable, + GtkAction *action, + const gchar *property_name) +{ + GtkToggleButton *button; + parent_activatable_iface->update (activatable, action, property_name); + + button = GTK_TOGGLE_BUTTON (activatable); + + if (strcmp (property_name, "active") == 0) + { + gtk_action_block_activate (action); + gtk_toggle_button_set_active (button, gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))); + gtk_action_unblock_activate (action); + } + +} + +static void +gtk_toggle_button_sync_action_properties (GtkActivatable *activatable, + GtkAction *action) +{ + GtkToggleButton *button; + + parent_activatable_iface->sync_action_properties (activatable, action); + + if (!GTK_IS_TOGGLE_ACTION (action)) + return; + + button = GTK_TOGGLE_BUTTON (activatable); + + gtk_action_block_activate (action); + gtk_toggle_button_set_active (button, gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))); + gtk_action_unblock_activate (action); +} + +/** + * gtk_toggle_button_new: + * + * Creates a new toggle button. A widget should be packed into the button, as in gtk_button_new(). + * + * Returns: a new toggle button. + */ GtkWidget* gtk_toggle_button_new (void) { return g_object_new (GTK_TYPE_TOGGLE_BUTTON, NULL); } +/** + * gtk_toggle_button_new_with_label: + * @label: a string containing the message to be placed in the toggle button. + * + * Creates a new toggle button with a text label. + * + * Returns: a new toggle button. + */ GtkWidget* gtk_toggle_button_new_with_label (const gchar *label) { @@ -187,16 +304,20 @@ gtk_toggle_button_new_with_label (const gchar *label) * gtk_toggle_button_new_with_mnemonic: * @label: the text of the button, with an underscore in front of the * mnemonic character - * @returns: a new #GtkToggleButton * * Creates a new #GtkToggleButton containing a label. The label * will be created using gtk_label_new_with_mnemonic(), so underscores * in @label indicate the mnemonic for the button. - **/ + * + * Returns: a new #GtkToggleButton + */ GtkWidget* gtk_toggle_button_new_with_mnemonic (const gchar *label) { - return g_object_new (GTK_TYPE_TOGGLE_BUTTON, "label", label, "use_underline", TRUE, NULL); + return g_object_new (GTK_TYPE_TOGGLE_BUTTON, + "label", label, + "use-underline", TRUE, + NULL); } static void @@ -221,6 +342,7 @@ gtk_toggle_button_set_property (GObject *object, gtk_toggle_button_set_mode (tb, g_value_get_boolean (value)); break; default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } @@ -231,20 +353,19 @@ gtk_toggle_button_get_property (GObject *object, GValue *value, GParamSpec *pspec) { - GtkToggleButton *tb; - - tb = GTK_TOGGLE_BUTTON (object); + GtkToggleButton *tb = GTK_TOGGLE_BUTTON (object); + GtkToggleButtonPrivate *priv = tb->priv; switch (prop_id) { case PROP_ACTIVE: - g_value_set_boolean (value, tb->active); + g_value_set_boolean (value, priv->active); break; case PROP_INCONSISTENT: - g_value_set_boolean (value, tb->inconsistent); + g_value_set_boolean (value, priv->inconsistent); break; case PROP_DRAW_INDICATOR: - g_value_set_boolean (value, tb->draw_indicator); + g_value_set_boolean (value, priv->draw_indicator); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); @@ -270,23 +391,35 @@ void gtk_toggle_button_set_mode (GtkToggleButton *toggle_button, gboolean draw_indicator) { - GtkWidget *widget; + GtkToggleButtonPrivate *priv; g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button)); - widget = GTK_WIDGET (toggle_button); + priv = toggle_button->priv; draw_indicator = draw_indicator ? TRUE : FALSE; - if (toggle_button->draw_indicator != draw_indicator) + if (priv->draw_indicator != draw_indicator) { - toggle_button->draw_indicator = draw_indicator; - GTK_BUTTON (toggle_button)->depress_on_activate = !draw_indicator; - - if (GTK_WIDGET_VISIBLE (toggle_button)) + GtkStyleContext *context; + + priv->draw_indicator = draw_indicator; + GTK_BUTTON (toggle_button)->priv->depress_on_activate = !draw_indicator; + + if (gtk_widget_get_visible (GTK_WIDGET (toggle_button))) gtk_widget_queue_resize (GTK_WIDGET (toggle_button)); - g_object_notify (G_OBJECT (toggle_button), "draw_indicator"); + g_object_notify (G_OBJECT (toggle_button), "draw-indicator"); + + /* Make toggle buttons conditionally have the "button" + * class depending on draw_indicator. + */ + context = gtk_widget_get_style_context (GTK_WIDGET (toggle_button)); + + if (draw_indicator) + gtk_style_context_remove_class (context, GTK_STYLE_CLASS_BUTTON); + else + gtk_style_context_add_class (context, GTK_STYLE_CLASS_BUTTON); } } @@ -305,31 +438,67 @@ gtk_toggle_button_get_mode (GtkToggleButton *toggle_button) { g_return_val_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button), FALSE); - return toggle_button->draw_indicator; + return toggle_button->priv->draw_indicator; } +/** + * gtk_toggle_button_set_active: + * @toggle_button: a #GtkToggleButton. + * @is_active: %TRUE or %FALSE. + * + * Sets the status of the toggle button. Set to %TRUE if you want the + * GtkToggleButton to be 'pressed in', and %FALSE to raise it. + * This action causes the #GtkToggleButton::toggled signal and the + * #GtkButton::clicked signal to be emitted. + */ void gtk_toggle_button_set_active (GtkToggleButton *toggle_button, gboolean is_active) { + GtkToggleButtonPrivate *priv; + g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button)); + priv = toggle_button->priv; + is_active = is_active != FALSE; - if (toggle_button->active != is_active) + if (priv->active != is_active) gtk_button_clicked (GTK_BUTTON (toggle_button)); } +void +_gtk_toggle_button_set_active (GtkToggleButton *toggle_button, + gboolean is_active) +{ + toggle_button->priv->active = is_active; +} +/** + * gtk_toggle_button_get_active: + * @toggle_button: a #GtkToggleButton. + * + * Queries a #GtkToggleButton and returns its current state. Returns %TRUE if + * the toggle button is pressed in and %FALSE if it is raised. + * + * Returns: a #gboolean value. + */ gboolean gtk_toggle_button_get_active (GtkToggleButton *toggle_button) { g_return_val_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button), FALSE); - return (toggle_button->active) ? TRUE : FALSE; + return toggle_button->priv->active; } - +/** + * gtk_toggle_button_toggled: + * @toggle_button: a #GtkToggleButton. + * + * Emits the #GtkToggleButton::toggled signal on the + * #GtkToggleButton. There is no good reason for an + * application ever to call this function. + */ void gtk_toggle_button_toggled (GtkToggleButton *toggle_button) { @@ -357,14 +526,18 @@ void gtk_toggle_button_set_inconsistent (GtkToggleButton *toggle_button, gboolean setting) { + GtkToggleButtonPrivate *priv; + g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button)); - + + priv = toggle_button->priv; + setting = setting != FALSE; - if (setting != toggle_button->inconsistent) + if (setting != priv->inconsistent) { - toggle_button->inconsistent = setting; - + priv->inconsistent = setting; + gtk_toggle_button_update_state (GTK_BUTTON (toggle_button)); gtk_widget_queue_draw (GTK_WIDGET (toggle_button)); @@ -385,39 +558,7 @@ gtk_toggle_button_get_inconsistent (GtkToggleButton *toggle_button) { g_return_val_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button), FALSE); - return toggle_button->inconsistent; -} - -static gint -gtk_toggle_button_expose (GtkWidget *widget, - GdkEventExpose *event) -{ - if (GTK_WIDGET_DRAWABLE (widget)) - { - GtkWidget *child = GTK_BIN (widget)->child; - GtkButton *button = GTK_BUTTON (widget); - GtkStateType state_type; - GtkShadowType shadow_type; - - state_type = GTK_WIDGET_STATE (widget); - - if (GTK_TOGGLE_BUTTON (widget)->inconsistent) - { - if (state_type == GTK_STATE_ACTIVE) - state_type = GTK_STATE_NORMAL; - shadow_type = GTK_SHADOW_ETCHED_IN; - } - else - shadow_type = button->depressed ? GTK_SHADOW_IN : GTK_SHADOW_OUT; - - _gtk_button_paint (button, &event->area, state_type, shadow_type, - "togglebutton", "togglebuttondefault"); - - if (child) - gtk_container_propagate_expose (GTK_CONTAINER (widget), child, event); - } - - return FALSE; + return toggle_button->priv->inconsistent; } static gboolean @@ -429,7 +570,7 @@ gtk_toggle_button_mnemonic_activate (GtkWidget *widget, * gtk_widget_real_mnemonic_activate() in order to focus the widget even * if there is no mnemonic conflict. */ - if (GTK_WIDGET_CAN_FOCUS (widget)) + if (gtk_widget_get_can_focus (widget)) gtk_widget_grab_focus (widget); if (!group_cycling) @@ -441,7 +582,7 @@ gtk_toggle_button_mnemonic_activate (GtkWidget *widget, static void gtk_toggle_button_pressed (GtkButton *button) { - button->button_down = TRUE; + button->priv->button_down = TRUE; gtk_toggle_button_update_state (button); gtk_widget_queue_draw (GTK_WIDGET (button)); @@ -450,11 +591,11 @@ gtk_toggle_button_pressed (GtkButton *button) static void gtk_toggle_button_released (GtkButton *button) { - if (button->button_down) + if (button->priv->button_down) { - button->button_down = FALSE; + button->priv->button_down = FALSE; - if (button->in_button) + if (button->priv->in_button) gtk_button_clicked (button); gtk_toggle_button_update_state (button); @@ -466,34 +607,49 @@ static void gtk_toggle_button_clicked (GtkButton *button) { GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (button); - toggle_button->active = !toggle_button->active; + GtkToggleButtonPrivate *priv = toggle_button->priv; + + priv->active = !priv->active; gtk_toggle_button_toggled (toggle_button); gtk_toggle_button_update_state (button); g_object_notify (G_OBJECT (toggle_button), "active"); + + if (GTK_BUTTON_CLASS (gtk_toggle_button_parent_class)->clicked) + GTK_BUTTON_CLASS (gtk_toggle_button_parent_class)->clicked (button); } static void gtk_toggle_button_update_state (GtkButton *button) { GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (button); + GtkToggleButtonPrivate *priv = toggle_button->priv; gboolean depressed; - GtkStateType new_state; + GtkStateFlags new_state = 0; + + new_state = gtk_widget_get_state_flags (GTK_WIDGET (button)) & + ~(GTK_STATE_FLAG_INCONSISTENT | + GTK_STATE_FLAG_PRELIGHT | + GTK_STATE_FLAG_ACTIVE); + + if (priv->inconsistent) + new_state |= GTK_STATE_FLAG_INCONSISTENT; - if (toggle_button->inconsistent) + if (priv->inconsistent) depressed = FALSE; - else if (button->in_button && button->button_down) + else if (button->priv->in_button && button->priv->button_down) depressed = TRUE; else - depressed = toggle_button->active; - - if (button->in_button && (!button->button_down || toggle_button->draw_indicator)) - new_state = GTK_STATE_PRELIGHT; - else - new_state = depressed ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL; + depressed = priv->active; + + if (button->priv->in_button) + new_state |= GTK_STATE_FLAG_PRELIGHT; + + if (depressed) + new_state |= GTK_STATE_FLAG_ACTIVE; - _gtk_button_set_depressed (button, depressed); - gtk_widget_set_state (GTK_WIDGET (toggle_button), new_state); + _gtk_button_set_depressed (button, depressed); + gtk_widget_set_state_flags (GTK_WIDGET (toggle_button), new_state, TRUE); }