From 82896907ca9402fef0bc90ff1d1c8cdeb16c3c53 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Tue, 19 Sep 2017 05:34:23 -0400
Subject: src/window.c: Add tab popover/context menu

The buttons don't do anything yet.
---
diff --git a/src/window.c b/src/window.c
index 5c903c2..37c1f8f 100644
--- a/src/window.c
+++ b/src/window.c
@@ -26,6 +26,72 @@
 #include "window.h"
 #include "tab.h"
 
+#define NEW_BUTTON(BOX, I, NAME, TOOLTIP) \
+	do { \
+		buttons[I] = gtk_button_new_from_icon_name(NAME, \
+			GTK_ICON_SIZE_BUTTON); \
+		gtk_widget_set_tooltip_text(buttons[I], TOOLTIP); \
+		gtk_box_pack_start(GTK_BOX(BOX ? all_tabs_button_box : \
+					current_tab_button_box), buttons[I], \
+			TRUE, FALSE, 0); \
+	} while (0)
+
+static gboolean
+tab_label_button_press_cb(GtkWidget *widget, GdkEvent *event, MqTab *tab)
+{
+	GtkWidget *current_tab_button_box;
+	GtkWidget *all_tabs_button_box;
+	GtkWidget *buttons[7];
+	GtkWidget *button_rows_box;
+	GtkWidget *stack;
+	GtkWidget *popover;
+
+	/* Make sure this is a right mouse button press event. */
+	if (event->type != GDK_BUTTON_PRESS || event->button.button != 3) {
+		return FALSE;
+	}
+
+	/* Set up button boxes. */
+	current_tab_button_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+	all_tabs_button_box    = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+	gtk_widget_set_halign(current_tab_button_box, GTK_ALIGN_CENTER);
+	gtk_widget_set_halign(all_tabs_button_box,    GTK_ALIGN_CENTER);
+
+	/* Set up buttons. */
+	NEW_BUTTON(0, 0, "view-refresh",       "Reload Tab");
+	NEW_BUTTON(0, 1, "edit-copy",          "Duplicate Tab");
+	NEW_BUTTON(0, 2, "window-new",         "Open Tab in New Window");
+	NEW_BUTTON(0, 3, "window-close",       "Close Tab");
+	NEW_BUTTON(1, 4, "tab-new-symbolic",   "New Tab");
+	NEW_BUTTON(1, 5, "edit-undo",          "Undo Close Tab");
+	NEW_BUTTON(1, 6, "view-list-symbolic", "Tab List...");
+
+	/* Set up the button rows box. */
+	button_rows_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+	gtk_box_pack_start(GTK_BOX(button_rows_box), current_tab_button_box,
+		TRUE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(button_rows_box), all_tabs_button_box,
+		TRUE, FALSE, 0);
+
+	/* Set up the stack. */
+	stack = gtk_stack_new();
+	gtk_stack_add_named(GTK_STACK(stack), button_rows_box, "buttons");
+	gtk_stack_add_named(GTK_STACK(stack), gtk_label_new("Tab list"),
+		"tab_list");
+
+	/* Set up the popover. */
+	popover = gtk_popover_new(widget);
+	gtk_container_add(GTK_CONTAINER(popover), stack);
+
+	/* NB: gtk_popover_popup() is new in GTK+ 3.22. */
+	gtk_widget_show_all(popover);
+	/* TODO: gtk_widget_hide() tab list */
+
+	return FALSE;
+}
+
+#undef NEW_BUTTON
+
 static void
 add_tab(MqWindow *window, gchar *uri, gint position)
 {
@@ -33,6 +99,7 @@ add_tab(MqWindow *window, gchar *uri, gint position)
 	GtkWidget *tab_label_label;
 	GtkWidget *tab_label;
 	MqTab     *tab;
+	GtkWidget *tab_label_event_box;
 	GtkWidget *tab_widget;
 
 	tab_label_image = gtk_image_new_from_icon_name("text-x-generic",
@@ -53,9 +120,16 @@ add_tab(MqWindow *window, gchar *uri, gint position)
 
 	tab = mq_tab_new(uri, tab_label_image, tab_label_label);
 
+	tab_label_event_box = gtk_event_box_new();
+	g_signal_connect(tab_label_event_box, "button-press-event",
+		G_CALLBACK(tab_label_button_press_cb), tab);
+	gtk_event_box_set_visible_window(GTK_EVENT_BOX(tab_label_event_box),
+		FALSE);
+	gtk_container_add(GTK_CONTAINER(tab_label_event_box), tab_label);
+
 	tab_widget = mq_tab_get_container(tab);
 	position = gtk_notebook_insert_page(GTK_NOTEBOOK(window->notebook),
-		tab_widget, tab_label, position);
+		tab_widget, tab_label_event_box, position);
 	gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(window->notebook),
 		tab_widget, TRUE);
 	gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(window->notebook),
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