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Diffstat (limited to 'lib/widgets/ephy-arrow-toolbutton.c')
| -rw-r--r-- | lib/widgets/ephy-arrow-toolbutton.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/lib/widgets/ephy-arrow-toolbutton.c b/lib/widgets/ephy-arrow-toolbutton.c new file mode 100644 index 000000000..abc5ed4f2 --- /dev/null +++ b/lib/widgets/ephy-arrow-toolbutton.c @@ -0,0 +1,234 @@ +/* + * Copyright (C) 2002 Christophe Fergeau + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "ephy-arrow-toolbutton.h" +#include "ephy-marshal.h" +#include "ephy-gui.h" +#include "ephy-debug.h" + +#include <gtk/gtkarrow.h> +#include <gtk/gtkhbox.h> +#include <gtk/gtktogglebutton.h> +#include <gtk/gtkmenu.h> +#include <gtk/gtkmain.h> + +struct EphyArrowToolButtonPrivate +{ + GtkWidget *arrow_widget; + GtkWidget *button; + GtkMenu *menu; +}; + +enum EphyArrowToolButtonSignalsEnum { + EPHY_ARROW_TOOL_BUTTON_MENU_ACTIVATED, + EPHY_ARROW_TOOL_BUTTON_LAST_SIGNAL +}; + +/* GObject boilerplate code */ +static void ephy_arrow_toolbutton_init (EphyArrowToolButton *arrow_toolbutton); +static void ephy_arrow_toolbutton_class_init (EphyArrowToolButtonClass *klass); +static void ephy_arrow_toolbutton_finalize (GObject *object); + +static GObjectClass *parent_class = NULL; + +static gint EphyArrowToolButtonSignals[EPHY_ARROW_TOOL_BUTTON_LAST_SIGNAL]; + +GType +ephy_arrow_toolbutton_get_type (void) +{ + static GType ephy_arrow_toolbutton_type = 0; + + if (ephy_arrow_toolbutton_type == 0) + { + static const GTypeInfo our_info = + { + sizeof (EphyArrowToolButtonClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) ephy_arrow_toolbutton_class_init, + NULL, + NULL, /* class_data */ + sizeof (EphyArrowToolButton), + 0, /* n_preallocs */ + (GInstanceInitFunc) ephy_arrow_toolbutton_init + }; + + ephy_arrow_toolbutton_type = g_type_register_static (EGG_TYPE_TOOL_BUTTON, + "EphyArrowToolButton", + &our_info, 0); + } + + return ephy_arrow_toolbutton_type; +} + +static void +ephy_arrow_toolbutton_class_init (EphyArrowToolButtonClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = ephy_arrow_toolbutton_finalize; + + EphyArrowToolButtonSignals[EPHY_ARROW_TOOL_BUTTON_MENU_ACTIVATED] = + g_signal_new + ("menu-activated", G_OBJECT_CLASS_TYPE (klass), + G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST | G_SIGNAL_RUN_CLEANUP, + G_STRUCT_OFFSET (EphyArrowToolButtonClass, menu_activated), + NULL, NULL, + ephy_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +button_state_changed_cb (GtkWidget *widget, + GtkStateType previous_state, + EphyArrowToolButton *b) +{ + EphyArrowToolButtonPrivate *p = b->priv; + GtkWidget *button; + GtkStateType state = GTK_WIDGET_STATE (widget); + GtkStateType other; + + if (state == GTK_STATE_ACTIVE || + state == GTK_STATE_SELECTED || + state == GTK_STATE_INSENSITIVE) + { + return; + } + + button = (widget == p->arrow_widget) ? p->button : p->arrow_widget; + other = GTK_WIDGET_STATE (button); + + if (state != other) + { + gtk_widget_set_state (button, state); + } +} + +static void +popup_menu_under_arrow (EphyArrowToolButton *b, GdkEventButton *event) +{ + EphyArrowToolButtonPrivate *p = b->priv; + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (p->arrow_widget), TRUE); + LOG ("Emit menu activated signal"); + g_signal_emit (b, EphyArrowToolButtonSignals[EPHY_ARROW_TOOL_BUTTON_MENU_ACTIVATED], 0); + gtk_menu_popup (p->menu, NULL, NULL, ephy_gui_menu_position_under_widget, b, + event ? event->button : 0, + event ? event->time : gtk_get_current_event_time ()); +} + +static void +menu_deactivated_cb (GtkMenuShell *ms, EphyArrowToolButton *b) +{ + EphyArrowToolButtonPrivate *p = b->priv; + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (p->arrow_widget), FALSE); +} + +static gboolean +arrow_button_press_event_cb (GtkWidget *widget, GdkEventButton *event, EphyArrowToolButton *b) +{ + popup_menu_under_arrow (b, event); + return TRUE; +} + +static gboolean +arrow_key_press_event_cb (GtkWidget *widget, GdkEventKey *event, EphyArrowToolButton *b) +{ + if (event->keyval == GDK_space + || event->keyval == GDK_KP_Space + || event->keyval == GDK_Return + || event->keyval == GDK_KP_Enter + || event->keyval == GDK_Menu) + { + popup_menu_under_arrow (b, NULL); + } + + return FALSE; +} + +static void +ephy_arrow_toolbutton_init (EphyArrowToolButton *arrowtb) +{ + GtkWidget *hbox; + GtkWidget *arrow; + GtkWidget *arrow_button; + GtkWidget *real_button; + + arrowtb->priv = g_new (EphyArrowToolButtonPrivate, 1); + + egg_tool_item_set_homogeneous (EGG_TOOL_ITEM (arrowtb), FALSE); + + hbox = gtk_hbox_new (FALSE, 0); + gtk_widget_show (hbox); + real_button = EGG_TOOL_BUTTON (arrowtb)->button; + g_object_ref (real_button); + gtk_container_remove (GTK_CONTAINER (arrowtb), real_button); + gtk_container_add (GTK_CONTAINER (hbox), real_button); + gtk_container_add (GTK_CONTAINER (arrowtb), hbox); + + arrow_button = gtk_toggle_button_new (); + gtk_widget_show (arrow_button); + arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); + gtk_widget_show (arrow); + gtk_button_set_relief (GTK_BUTTON (arrow_button), GTK_RELIEF_NONE); + gtk_container_add (GTK_CONTAINER (arrow_button), arrow); + + gtk_box_pack_end (GTK_BOX (hbox), arrow_button, + FALSE, FALSE, 0); + + arrowtb->priv->button = real_button; + arrowtb->priv->arrow_widget = arrow_button; + + arrowtb->priv->menu = GTK_MENU (gtk_menu_new ()); + g_signal_connect (arrowtb->priv->menu, "deactivate", + G_CALLBACK (menu_deactivated_cb), arrowtb); + + g_signal_connect (real_button, "state_changed", + G_CALLBACK (button_state_changed_cb), + arrowtb); + g_signal_connect (arrow_button, "state_changed", + G_CALLBACK (button_state_changed_cb), + arrowtb); + g_signal_connect (arrow_button, "key_press_event", + G_CALLBACK (arrow_key_press_event_cb), + arrowtb); + g_signal_connect (arrow_button, "button_press_event", + G_CALLBACK (arrow_button_press_event_cb), + arrowtb); +} + +static void +ephy_arrow_toolbutton_finalize (GObject *object) +{ + EphyArrowToolButton *arrow_toolbutton = EPHY_ARROW_TOOLBUTTON (object); + + gtk_widget_destroy (GTK_WIDGET (arrow_toolbutton->priv->menu)); + + g_free (arrow_toolbutton->priv); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +GtkMenuShell * +ephy_arrow_toolbutton_get_menu (EphyArrowToolButton *b) +{ + return GTK_MENU_SHELL (b->priv->menu); +} |