From 6eb6482e94ee5a82891a7e3294e4f8d72f2104d5 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Mon, 18 Sep 2017 20:06:24 -0400
Subject: src/tab-chrome.c: Try to synchronize tab history list icon sizes

Doesn't work.
---
(limited to 'src')

diff --git a/src/tab-chrome.c b/src/tab-chrome.c
index 88c440d..25d132b 100644
--- a/src/tab-chrome.c
+++ b/src/tab-chrome.c
@@ -50,9 +50,44 @@ back_forward_toggle_button_toggled(GtkToggleButton *toggle_button,
 				"text" : "list"));
 }
 
+static GtkRequisition *
+get_max_requisition(GtkWidget *widget_a, GtkWidget *widget_b)
+{
+	GtkRequisition *req_a;
+	GtkRequisition *req_b;
+	GtkRequisition *max_req;
+
+	/* Allocate widget requisitions. */
+	req_a = g_malloc(sizeof(*req_a));
+	req_b = g_malloc(sizeof(*req_b));
+
+	/* Get requisitions. */
+	gtk_widget_get_preferred_size(widget_a, req_a, NULL);
+	gtk_widget_get_preferred_size(widget_b, req_b, NULL);
+
+	/* Allocate and calculate maximum requisition. */
+	max_req = g_malloc(sizeof(*max_req));
+	max_req->width  = MAX(req_a->width,  req_b->width);
+	max_req->height = MAX(req_a->height, req_b->height);
+
+	/* Free widget requisitions. */
+	g_free(req_a);
+	g_free(req_b);
+
+	/* For convenience, remove the widgets' floating references (assume
+	 * ownership) and decrease their reference counts (finalize them).
+	 * They're instantiated only for this function. */
+	g_object_ref_sink(widget_a);
+	g_object_ref_sink(widget_b);
+	g_object_unref(widget_a);
+	g_object_unref(widget_b);
+
+	return max_req;
+}
+
 static GtkWidget *
 back_forward_list_item_new(WebKitBackForwardListItem *list_item,
-	GtkWidget *icon)
+	GtkWidget *icon, GtkRequisition *max_req)
 {
 	GtkWidget *label;
 	GtkWidget *box;
@@ -60,6 +95,7 @@ back_forward_list_item_new(WebKitBackForwardListItem *list_item,
 	label = gtk_label_new(webkit_back_forward_list_item_get_title(
 			list_item));
 	gtk_widget_set_halign(label, GTK_ALIGN_START);
+	gtk_widget_set_size_request(icon, max_req->width, max_req->height);
 
 	box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 	gtk_box_pack_start(GTK_BOX(box), icon, FALSE, FALSE, 0);
@@ -76,6 +112,7 @@ back_forward_box_button_press_cb(GtkWidget *widget, GdkEvent *event,
 {
 	WebKitBackForwardList *back_forward_list;
 	GtkWidget             *list_box;
+	GtkRequisition        *max_req;
 	GList                 *list_item;
 	GtkWidget             *stack;
 	GtkWidget             *toggle_button;
@@ -94,9 +131,14 @@ back_forward_box_button_press_cb(GtkWidget *widget, GdkEvent *event,
 		GTK_SELECTION_BROWSE);
 	gtk_list_box_set_activate_on_single_click(GTK_LIST_BOX(list_box), TRUE);
 
+	max_req = get_max_requisition(gtk_radio_button_new(NULL),
+		gtk_image_new_from_icon_name("go-previous",
+			GTK_ICON_SIZE_BUTTON));
+
 	gtk_list_box_insert(GTK_LIST_BOX(list_box), back_forward_list_item_new(
 			webkit_back_forward_list_get_current_item(
-				back_forward_list), gtk_radio_button_new(NULL)),
+				back_forward_list), gtk_radio_button_new(NULL),
+			max_req),
 			-1);
 	gtk_list_box_select_row(GTK_LIST_BOX(list_box),
 		gtk_list_box_get_row_at_index(GTK_LIST_BOX(list_box), 0));
@@ -107,7 +149,7 @@ back_forward_box_button_press_cb(GtkWidget *widget, GdkEvent *event,
 		gtk_list_box_insert(GTK_LIST_BOX(list_box),
 			back_forward_list_item_new(list_item->data,
 				gtk_image_new_from_icon_name("go-previous",
-					GTK_ICON_SIZE_BUTTON)), 0);
+					GTK_ICON_SIZE_BUTTON), max_req), 0);
 	}
 
 	list_item = webkit_back_forward_list_get_forward_list(
@@ -116,9 +158,11 @@ back_forward_box_button_press_cb(GtkWidget *widget, GdkEvent *event,
 		gtk_list_box_insert(GTK_LIST_BOX(list_box),
 			back_forward_list_item_new(list_item->data,
 				gtk_image_new_from_icon_name("go-next",
-					GTK_ICON_SIZE_BUTTON)), -1);
+					GTK_ICON_SIZE_BUTTON), max_req), -1);
 	}
 
+	g_free(max_req);
+
 	stack = gtk_stack_new();
 	gtk_stack_add_named(GTK_STACK(stack), list_box, "list");
 	gtk_stack_add_named(GTK_STACK(stack), gtk_label_new("Text"), "text");
--
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