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make gtk tab closeable with middle click

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Implements feature request "Please add middle-click on tab to close."
Fixes: #2720.
This commit is contained in:
Vincent Sanders 2019-11-30 11:24:13 +00:00
parent 4a1ca97c65
commit ad321c1b83
1 changed files with 47 additions and 15 deletions
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62
frontends/gtk/tabs.c
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@ -71,6 +71,25 @@ nsgtk_tab_update_size(GtkWidget *hbox,
}
/**
* gtk event handler for button release on tab hbox
*/
static gboolean
nsgtk_tab_button_release(GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
{
GtkWidget *page;
if ((event->type == GDK_BUTTON_RELEASE) && (event->button == 2)) {
page = (GtkWidget *)user_data;
gtk_widget_destroy(page);
return TRUE;
}
return FALSE;
}
/**
* Create a notebook tab label
*
@ -83,11 +102,16 @@ nsgtk_tab_label_setup(GtkWidget *page,
const char *title,
GdkPixbuf *icon_pixbuf)
{
GtkWidget *hbox, *favicon, *label, *button, *close;
GtkWidget *ebox, *hbox, *favicon, *label, *button, *close;
/* horizontal box */
hbox = nsgtk_hbox_new(FALSE, 3);
/* event box */
ebox = gtk_event_box_new();
gtk_widget_set_events(ebox, GDK_BUTTON_PRESS_MASK);
gtk_container_add(GTK_CONTAINER(ebox), hbox);
/* construct a favicon */
favicon = gtk_image_new();
if (icon_pixbuf != NULL) {
@ -102,7 +126,7 @@ nsgtk_tab_label_setup(GtkWidget *page,
nsgtk_widget_set_margins(label, 0, 0);
gtk_widget_show(label);
/* construct a close button and attach signals */
/* construct a close button */
button = gtk_button_new();
close = nsgtk_image_new_from_stock(NSGTK_STOCK_CLOSE,
@ -112,26 +136,34 @@ nsgtk_tab_label_setup(GtkWidget *page,
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
gtk_widget_set_tooltip_text(button, "Close this tab.");
g_signal_connect_swapped(button,
"clicked",
G_CALLBACK(gtk_widget_destroy), page);
g_signal_connect(hbox,
"style-set",
G_CALLBACK(nsgtk_tab_update_size),
button);
/* pack the widgets into the label box */
gtk_box_pack_start(GTK_BOX(hbox), favicon, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
g_object_set_data(G_OBJECT(hbox), "favicon", favicon);
g_object_set_data(G_OBJECT(hbox), "label", label);
g_object_set_data(G_OBJECT(hbox), "close-button", button);
/* make the icon and label widgets findable by name */
g_object_set_data(G_OBJECT(ebox), "favicon", favicon);
g_object_set_data(G_OBJECT(ebox), "label", label);
gtk_widget_show_all(hbox);
/* attach signal handlers */
g_signal_connect_swapped(button,
"clicked",
G_CALLBACK(gtk_widget_destroy), page);
return hbox;
g_signal_connect(hbox,
"style-set",
G_CALLBACK(nsgtk_tab_update_size),
button);
g_signal_connect(ebox,
"button-release-event",
G_CALLBACK(nsgtk_tab_button_release),
page);
gtk_widget_show_all(ebox);
return ebox;
}