Include a Other Software section in Help file
[geeqie.git] / src / ui_misc.c
index 770899d..c2d59b8 100644 (file)
@@ -1,13 +1,22 @@
 /*
- * (SLIK) SimpLIstic sKin functions
- * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2010 The Geeqie Team
+ * Copyright (C) 2004 John Ellis
+ * Copyright (C) 2008 - 2016 The Geeqie Team
  *
  * Author: John Ellis
  *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * 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 of the License, 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -27,6 +36,7 @@
 
 #include "history_list.h"
 
+#include <langinfo.h>
 
 /*
  *-----------------------------------------------------------------------------
@@ -65,16 +75,26 @@ GtkWidget *pref_group_new(GtkWidget *parent_box, gboolean fill,
        vbox = gtk_vbox_new(FALSE, PREF_PAD_GAP);
 
        /* add additional spacing if necessary */
-       if (GTK_IS_VBOX(parent_box) && GTK_BOX(parent_box)->children != NULL)
+       if (GTK_IS_VBOX(parent_box))
                {
-               pref_spacer(vbox, PREF_PAD_GROUP - PREF_PAD_GAP);
+               GList *list = gtk_container_get_children(GTK_CONTAINER(parent_box));
+               if (list)
+                       {
+                       pref_spacer(vbox, PREF_PAD_GROUP - PREF_PAD_GAP);
+                       }
+               g_list_free(list);
                }
 
        gtk_box_pack_start(GTK_BOX(parent_box), vbox, fill, fill, 0);
        gtk_widget_show(vbox);
 
        label = gtk_label_new(text);
+#if GTK_CHECK_VERSION(3,16,0)
+       gtk_label_set_xalign(GTK_LABEL(label), 0.0);
+       gtk_label_set_yalign(GTK_LABEL(label), 0.5);
+#else
        gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
+#endif
        pref_label_bold(label, TRUE, FALSE);
 
        gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
@@ -250,7 +270,12 @@ GtkWidget *pref_button_new(GtkWidget *parent_box, const gchar *stock_id,
                if (text)
                        {
                        label = gtk_label_new_with_mnemonic(text);
+#if GTK_CHECK_VERSION(3,16,0)
+                       gtk_label_set_xalign(GTK_LABEL(label), 0.5);
+                       gtk_label_set_yalign(GTK_LABEL(label), 0.5);
+#else
                        gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
+#endif
                        gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
                        }
 
@@ -538,24 +563,11 @@ GtkWidget *pref_spin_new_int(GtkWidget *parent_box, const gchar *text, const gch
                             G_CALLBACK(pref_spin_int_cb), value_var);
 }
 
-#if 0
-void pref_spin_set_blocking(GtkWidget *spin, gdouble value, gpointer block_data)
-{
-       g_signal_handlers_block_matched(G_OBJECT(spin), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, block_data);
-       gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value);
-       g_signal_handlers_unblock_matched(G_OBJECT(spin), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, block_data);
-}
-#endif
-
 static void pref_link_sensitivity_cb(GtkWidget *watch, GtkStateType prev_state, gpointer data)
 {
        GtkWidget *widget = data;
 
-#if GTK_CHECK_VERSION(2,20,0)
        gtk_widget_set_sensitive(widget, gtk_widget_is_sensitive(watch));
-#else
-       gtk_widget_set_sensitive(widget, GTK_WIDGET_IS_SENSITIVE(watch));
-#endif
 }
 
 void pref_link_sensitivity(GtkWidget *widget, GtkWidget *watch)
@@ -657,25 +669,6 @@ GtkWidget *pref_table_button(GtkWidget *table, gint column, gint row,
        return button;
 }
 
-#if 0
-static GtkWidget *pref_table_checkbox(GtkWidget *table, gint column, gint row,
-                                     const gchar *text, gint active,
-                                     GCallback func, gpointer data)
-{
-       GtkWidget *button;
-
-       button = gtk_check_button_new_with_label(text);
-       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), active);
-       if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);
-
-       gtk_table_attach(GTK_TABLE(table), button, column, column + 1, row, row + 1,
-                        GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
-       gtk_widget_show(button);
-
-       return button;
-}
-#endif
-
 GtkWidget *pref_table_spin(GtkWidget *table, gint column, gint row,
                           const gchar *text, const gchar *suffix,
                           gdouble min, gdouble max, gdouble step, gint digits,
@@ -736,24 +729,10 @@ GtkWidget *pref_table_spin_new_int(GtkWidget *table, gint column, gint row,
 }
 
 
-#if ! GTK_CHECK_VERSION(2,12,0)
-
-static void pref_toolbar_destroy_cb(GtkWidget *widget, gpointer data)
-{
-       GtkTooltips *tips = data;
-
-       g_object_unref(G_OBJECT(tips));
-}
-
-#endif
-
 GtkWidget *pref_toolbar_new(GtkWidget *parent_box, GtkToolbarStyle style)
 {
        GtkWidget *tbar;
-#if ! GTK_CHECK_VERSION(2,12,0)
-       GtkTooltips *tips;
-#endif
-       
+
        tbar = gtk_toolbar_new();
        gtk_toolbar_set_style(GTK_TOOLBAR(tbar), style);
 
@@ -762,27 +741,6 @@ GtkWidget *pref_toolbar_new(GtkWidget *parent_box, GtkToolbarStyle style)
                gtk_box_pack_start(GTK_BOX(parent_box), tbar, FALSE, FALSE, 0);
                gtk_widget_show(tbar);
                }
-
-#if ! GTK_CHECK_VERSION(2,12,0)
-       tips = gtk_tooltips_new();
-
-       /* take ownership of tooltips */
-#  ifdef GTK_OBJECT_FLOATING
-       /* GTK+ < 2.10 */
-       g_object_ref(G_OBJECT(tips));
-       gtk_object_sink(GTK_OBJECT(tips));
-#  else
-       /* GTK+ >= 2.10 */
-       g_object_ref_sink(G_OBJECT(tips));
-#  endif
-
-       g_object_set_data(G_OBJECT(tbar), "tooltips", tips);
-       g_signal_connect(G_OBJECT(tbar), "destroy",
-                        G_CALLBACK(pref_toolbar_destroy_cb), tips);
-
-       gtk_tooltips_enable(tips);
-#endif
-
        return tbar;
 }
 
@@ -825,18 +783,8 @@ GtkWidget *pref_toolbar_button(GtkWidget *toolbar,
 
        if (description)
                {
-
-#if GTK_CHECK_VERSION(2,12,0)
-
                gtk_widget_set_tooltip_text(item, description);
-                       
-#else
-               GtkTooltips *tips;
-
-               tips = g_object_get_data(G_OBJECT(toolbar), "tooltips");
-               gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(item), tips, description, NULL);
-#endif
-       }
+               }
 
        return item;
 }
@@ -894,11 +842,7 @@ static void date_selection_popup_hide(DateSelection *ds)
 {
        if (!ds->window) return;
 
-#if GTK_CHECK_VERSION(2,20,0)
        if (gtk_widget_has_grab(ds->window))
-#else
-       if (GTK_WIDGET_HAS_GRAB(ds->window))
-#endif
                {
                gtk_grab_remove(ds->window);
                gdk_keyboard_ungrab(GDK_CURRENT_TIME);
@@ -928,12 +872,15 @@ static gboolean date_selection_popup_press_cb(GtkWidget *widget, GdkEventButton
        gint x, y;
        gint w, h;
        gint xr, yr;
+       GdkWindow *window;
 
        xr = (gint)event->x_root;
        yr = (gint)event->y_root;
 
-       gdk_window_get_origin(ds->window->window, &x, &y);
-       gdk_drawable_get_size(ds->window->window, &w, &h);
+       window = gtk_widget_get_window(ds->window);
+       gdk_window_get_origin(window, &x, &y);
+       w = gdk_window_get_width(window);
+       h = gdk_window_get_height(window);
 
        if (xr < x || yr < y || xr > x + w || yr > y + h)
                {
@@ -959,14 +906,14 @@ static gboolean date_selection_popup_keypress_cb(GtkWidget *widget, GdkEventKey
 
        switch (event->keyval)
                {
-               case GDK_Return:
-               case GDK_KP_Enter:
-               case GDK_Tab:
-               case GDK_ISO_Left_Tab:
+               case GDK_KEY_Return:
+               case GDK_KEY_KP_Enter:
+               case GDK_KEY_Tab:
+               case GDK_KEY_ISO_Left_Tab:
                        date_selection_popup_sync(ds);
                        date_selection_popup_hide(ds);
                        break;
-               case GDK_Escape:
+               case GDK_KEY_Escape:
                        date_selection_popup_hide(ds);
                        break;
                default:
@@ -995,6 +942,8 @@ static void date_selection_popup(DateSelection *ds)
        gint x, y;
        gint wx, wy;
        gint day, month, year;
+       GtkAllocation button_allocation;
+       GtkAllocation window_allocation;
 
        if (ds->window) return;
 
@@ -1020,14 +969,17 @@ static void date_selection_popup(DateSelection *ds)
 
        gtk_widget_realize(ds->window);
 
-       gdk_window_get_origin(ds->button->window, &wx, &wy);
+       gdk_window_get_origin(gtk_widget_get_window(ds->button), &wx, &wy);
+
+       gtk_widget_get_allocation(ds->button, &button_allocation);
+       gtk_widget_get_allocation(ds->window, &window_allocation);
 
-       x = wx + ds->button->allocation.x + ds->button->allocation.width - ds->window->allocation.width;
-       y = wy + ds->button->allocation.y + ds->button->allocation.height;
+       x = wx + button_allocation.x + button_allocation.width - window_allocation.width;
+       y = wy + button_allocation.y + button_allocation.height;
 
-       if (y + ds->window->allocation.height > gdk_screen_height())
+       if (y + window_allocation.height > gdk_screen_height())
                {
-               y = wy + ds->button->allocation.y - ds->window->allocation.height;
+               y = wy + button_allocation.y - window_allocation.height;
                }
        if (x < 0) x = 0;
        if (y < 0) y = 0;
@@ -1036,10 +988,10 @@ static void date_selection_popup(DateSelection *ds)
        gtk_widget_show(ds->window);
 
        gtk_widget_grab_focus(ds->calendar);
-       gdk_pointer_grab(ds->window->window, TRUE,
+       gdk_pointer_grab(gtk_widget_get_window(ds->window), TRUE,
                         GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
                         NULL, NULL, GDK_CURRENT_TIME);
-       gdk_keyboard_grab(ds->window->window, TRUE, GDK_CURRENT_TIME);
+       gdk_keyboard_grab(gtk_widget_get_window(ds->window), TRUE, GDK_CURRENT_TIME);
        gtk_grab_add(ds->window);
 
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ds->button), TRUE);
@@ -1058,15 +1010,19 @@ static void date_selection_button_cb(GtkWidget *widget, gpointer data)
 static void button_size_allocate_cb(GtkWidget *button, GtkAllocation *allocation, gpointer data)
 {
        GtkWidget *spin = data;
+       GtkRequisition spin_requisition;
+       gtk_widget_get_requisition(spin, &spin_requisition);
 
-       if (allocation->height > spin->requisition.height)
+       if (allocation->height > spin_requisition.height)
                {
                GtkAllocation button_allocation;
+               GtkAllocation spin_allocation;
 
-               button_allocation = button->allocation;
-               button_allocation.height = spin->requisition.height;
-               button_allocation.y = spin->allocation.y +
-                       (spin->allocation.height - spin->requisition.height) / 2;
+               gtk_widget_get_allocation(button, &button_allocation);
+               gtk_widget_get_allocation(spin, &spin_allocation);
+               button_allocation.height = spin_requisition.height;
+               button_allocation.y = spin_allocation.y +
+                       (spin_allocation.height - spin_requisition.height) / 2;
                gtk_widget_size_allocate(button, &button_allocation);
                }
 }
@@ -1094,15 +1050,43 @@ GtkWidget *date_selection_new(void)
        GtkWidget *arrow;
 
        ds = g_new0(DateSelection, 1);
+       gchar *date_format;
+       gint i;
 
        ds->box = gtk_hbox_new(FALSE, 2);
        g_signal_connect(G_OBJECT(ds->box), "destroy",
                         G_CALLBACK(date_selection_destroy_cb), ds);
 
-       /* FIXME: use option menu with text format of month instead of a spin button */
-       ds->spin_m = pref_spin_new(ds->box, NULL, NULL, 1, 12, 1, 0, 1, NULL, NULL);
-       ds->spin_d = pref_spin_new(ds->box, NULL, NULL, 1, 31, 1, 0, 1, NULL, NULL);
-       ds->spin_y = pref_spin_new(ds->box, NULL, NULL, 1900, 9999, 1, 0, 1900, NULL, NULL);
+       date_format = nl_langinfo(D_FMT);
+
+       if (strlen(date_format) == 8)
+               {
+               for (i=1; i<8; i=i+3)
+                       {
+                       switch (date_format[i])
+                               {
+                               case 'd':
+                                       ds->spin_d = pref_spin_new(ds->box, NULL, NULL, 1, 31, 1, 0, 1, NULL, NULL);
+                                       break;
+                               case 'm':
+                                       ds->spin_m = pref_spin_new(ds->box, NULL, NULL, 1, 12, 1, 0, 1, NULL, NULL);
+                                       break;
+                               case 'y': case 'Y':
+                                       ds->spin_y = pref_spin_new(ds->box, NULL, NULL, 1900, 9999, 1, 0, 1900, NULL, NULL);
+                                       break;
+                               default:
+                                       log_printf("Warning: Date locale %s is unknown", date_format);
+                                       break;
+                               }
+                       }
+               }
+       else
+               {
+               ds->spin_m = pref_spin_new(ds->box, NULL, NULL, 1, 12, 1, 0, 1, NULL, NULL);
+               ds->spin_d = pref_spin_new(ds->box, NULL, NULL, 1, 31, 1, 0, 1, NULL, NULL);
+               ds->spin_y = pref_spin_new(ds->box, NULL, NULL, 1900, 9999, 1, 0, 1900, NULL, NULL);
+               }
+
        spin_increase(ds->spin_y, 5);
 
        ds->button = gtk_toggle_button_new();
@@ -1227,16 +1211,17 @@ static gint sizer_default_handle_size(void)
        return handle_size;
 }
 
-static gboolean sizer_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
+static gboolean sizer_motion_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
 {
        SizerData *sd = data;
        gint x, y;
        gint w, h;
+       GtkAllocation parent_allocation;
 
        if (!sd->in_drag) return FALSE;
 
-       x = sd->press_x - bevent->x_root;
-       y = sd->press_y - bevent->y_root;
+       x = sd->press_x - event->x_root;
+       y = sd->press_y - event->y_root;
 
        w = sd->press_width;
        h = sd->press_height;
@@ -1264,20 +1249,27 @@ static gboolean sizer_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpoin
 
        if (sd->bounding_widget)
                {
-               w = CLAMP(w, sd->sizer->allocation.width, sd->bounding_widget->allocation.width);
-               h = CLAMP(h, sd->sizer->allocation.height, sd->bounding_widget->allocation.height);
+               GtkAllocation sizer_allocation;
+               GtkAllocation bounding_allocation;
+               gtk_widget_get_allocation(sd->sizer, &sizer_allocation);
+               gtk_widget_get_allocation(sd->bounding_widget, &bounding_allocation);
+               w = CLAMP(w, sizer_allocation.width, bounding_allocation.width);
+               h = CLAMP(h, sizer_allocation.height, bounding_allocation.height);
                }
        else
                {
-               if (w < sd->sizer->allocation.width) w = sd->sizer->allocation.width;
-               if (h < sd->sizer->allocation.height) h = sd->sizer->allocation.height;
+               GtkAllocation sizer_allocation;
+               gtk_widget_get_allocation(sd->sizer, &sizer_allocation);
+               if (w < sizer_allocation.width) w = sizer_allocation.width;
+               if (h < sizer_allocation.height) h = sizer_allocation.height;
                }
 
        if (sd->hsize_max >= 0) w = MIN(w, sd->hsize_max);
        if (sd->vsize_max >= 0) h = MIN(h, sd->vsize_max);
 
-       if (w == sd->parent->allocation.width) w = -1;
-       if (h == sd->parent->allocation.height) h = -1;
+       gtk_widget_get_allocation(sd->parent, &parent_allocation);
+       if (w == parent_allocation.width) w = -1;
+       if (h == parent_allocation.height) h = -1;
 
        if (w > 0 || h > 0) gtk_widget_set_size_request(sd->parent, w, h);
 
@@ -1287,6 +1279,7 @@ static gboolean sizer_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpoin
 static gboolean sizer_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 {
        SizerData *sd = data;
+       GtkAllocation parent_allocation;
 
        if (bevent->button != MOUSE_BUTTON_LEFT) return FALSE;
 
@@ -1294,10 +1287,11 @@ static gboolean sizer_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpoint
        sd->press_x = bevent->x_root;
        sd->press_y = bevent->y_root;
 
-       sd->press_width = sd->parent->allocation.width;
-       sd->press_height = sd->parent->allocation.height;
+       gtk_widget_get_allocation(sd->parent, &parent_allocation);
+       sd->press_width = parent_allocation.width;
+       sd->press_height = parent_allocation.height;
 
-       gdk_pointer_grab(sd->sizer->window, FALSE,
+       gdk_pointer_grab(gtk_widget_get_window(sd->sizer), FALSE,
                         GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
                         NULL, NULL, bevent->time);
        gtk_grab_add(sd->sizer);
@@ -1311,11 +1305,7 @@ static gboolean sizer_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpoi
 
        if (bevent->button != MOUSE_BUTTON_LEFT) return FALSE;
 
-#if GTK_CHECK_VERSION(2,20,0)
        if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(sd->sizer))
-#else
-       if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(sd->sizer))
-#endif
                {
                gtk_grab_remove(sd->sizer);
                gdk_pointer_ungrab(bevent->time);
@@ -1328,9 +1318,12 @@ static gboolean sizer_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpoi
 
 static void sizer_set_prelight(SizerData *sd, gboolean prelit)
 {
+       GtkAllocation sizer_allocation;
+       gtk_widget_get_allocation(sd->sizer, &sizer_allocation);
+
        sd->handle_prelit = prelit;
        gtk_widget_queue_draw_area(sd->sizer, 0, 0,
-                                  sd->sizer->allocation.width, sd->sizer->allocation.height);
+                                  sizer_allocation.width, sizer_allocation.height);
 }
 
 static gboolean sizer_enter_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
@@ -1351,12 +1344,24 @@ static gboolean sizer_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpoin
 
 static gboolean sizer_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 {
+#if GTK_CHECK_VERSION(3,0,0)
+       GtkAllocation allocation;
+
+       gtk_widget_get_allocation(widget, &allocation);
+
+       cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
+
+       gtk_render_handle (gtk_widget_get_style_context (widget),
+                          cr, allocation.x, allocation.y, allocation.width, allocation.height);
+       cairo_destroy(cr);
+#else
        SizerData *sd = data;
        GdkRectangle clip;
        GtkOrientation orientation;
        GtkStateType state;
+       GtkAllocation allocation;
 
-       gdk_region_get_clipbox(event->region, &clip);
+       gtk_widget_get_allocation(widget, &allocation);
 
        if (sd->position & SIZER_POS_LEFT || sd->position & SIZER_POS_RIGHT)
                {
@@ -1373,14 +1378,17 @@ static gboolean sizer_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpoint
                }
        else
                {
-               state = widget->state;
+               state = gtk_widget_get_state(widget);
                }
 
-       gtk_paint_handle(widget->style, widget->window, state,
+       gdk_region_get_clipbox(event->region, &clip);
+
+       gtk_paint_handle(gtk_widget_get_style(widget), gtk_widget_get_window(widget), state,
                         GTK_SHADOW_NONE, &clip, widget, "paned",
                         0, 0,
-                        widget->allocation.width, widget->allocation.height,
+                        allocation.width, allocation.height,
                         orientation);
+#endif
 
        return TRUE;
 }
@@ -1400,11 +1408,11 @@ static void sizer_realize_cb(GtkWidget *widget, gpointer data)
                n = (n != 0) ? GDK_FLEUR : GDK_SB_H_DOUBLE_ARROW;
                }
 
-       if (n != 0 && widget->window)
+       if (n != 0 && gtk_widget_get_window(widget))
                {
                GdkCursor *cursor;
                cursor = gdk_cursor_new(n);
-               gdk_window_set_cursor(widget->window, cursor);
+               gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
                gdk_cursor_unref(cursor);
                }
 }
@@ -1734,4 +1742,69 @@ gchar *text_widget_text_pull(GtkWidget *text_widget)
 
 }
 
+gchar *text_widget_text_pull_selected(GtkWidget *text_widget)
+{
+       if (GTK_IS_TEXT_VIEW(text_widget))
+               {
+               GtkTextBuffer *buffer;
+               GtkTextIter start, end;
+
+               buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_widget));
+               gtk_text_buffer_get_bounds(buffer, &start, &end);
+
+               if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end))
+                       {
+                       gtk_text_iter_set_line_offset(&start, 0);
+                       gtk_text_iter_forward_to_line_end(&end);
+                       }
+
+               return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
+               }
+       else if (GTK_IS_ENTRY(text_widget))
+               {
+               return g_strdup(gtk_entry_get_text(GTK_ENTRY(text_widget)));
+               }
+       else
+               {
+               return NULL;
+               }
+}
+
+gboolean defined_mouse_buttons(GtkWidget *widget, GdkEventButton *event, gpointer data)
+{
+       LayoutWindow *lw = data;
+       GtkAction *action;
+       gboolean ret = FALSE;
+
+       switch (event->button)
+               {
+               case MOUSE_BUTTON_8:
+                       if (options->mouse_button_8)
+                               {
+                               action = gtk_action_group_get_action(lw->action_group, options->mouse_button_8);
+                               if (action)
+                                       {
+                                       gtk_action_activate(action);
+                                       }
+                               ret = TRUE;
+                               }
+                               break;
+               case MOUSE_BUTTON_9:
+                       if (options->mouse_button_9)
+                               {
+                               action = gtk_action_group_get_action(lw->action_group, options->mouse_button_9);
+                               if (action)
+                                       {
+                                       gtk_action_activate(action);
+                                       }
+                               ret = TRUE;
+                               }
+                       break;
+               default:
+                       break;
+               }
+
+       return ret;
+}
+
 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */