[gtk/clipboard-demo-fixes] gtk-demo: Minor cosmetic fixes

[Matthias Clasen <matthiasc src gnome org>]

commit c6fc7d88c2cfeb9f90cae3d63728ebfcf74c56bf
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Apr 25 23:33:33 2020 -0400

    gtk-demo: Minor cosmetic fixes
    
    Some minor cosmetic fixes to some of the demos.

 demos/gtk-demo/infobar.c    | 22 +++++++++-------------
 demos/gtk-demo/links.c      | 20 +++++++++++++++-----
 demos/gtk-demo/scale.c      |  2 +-
 demos/gtk-demo/scale.ui     |  1 +
 demos/gtk-demo/spinbutton.c |  2 +-
 demos/gtk-demo/stack.ui     |  2 ++
 6 files changed, 29 insertions(+), 20 deletions(-)
---
diff --git a/demos/gtk-demo/infobar.c b/demos/gtk-demo/infobar.c
index 3f66750025..2f2cecf63b 100644
--- a/demos/gtk-demo/infobar.c
+++ b/demos/gtk-demo/infobar.c
@@ -44,7 +44,6 @@ do_infobar (GtkWidget *do_widget)
   GtkWidget *frame;
   GtkWidget *bar;
   GtkWidget *vbox;
-  GtkWidget *vbox2;
   GtkWidget *label;
   GtkWidget *actions;
   GtkWidget *button;
@@ -52,11 +51,13 @@ do_infobar (GtkWidget *do_widget)
   if (!window)
     {
       actions = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+      gtk_widget_add_css_class (actions, "linked");
 
       window = gtk_window_new ();
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Info Bars");
+      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
 
       g_signal_connect (window, "destroy", G_CALLBACK (gtk_widget_destroyed), &window);
 
@@ -131,23 +132,18 @@ do_infobar (GtkWidget *do_widget)
       g_object_bind_property (bar, "revealed", button, "active", G_BINDING_BIDIRECTIONAL | 
G_BINDING_SYNC_CREATE);
       gtk_container_add (GTK_CONTAINER (actions), button);
 
-      frame = gtk_frame_new ("Info bars");
+      frame = gtk_frame_new ("An example of different info bars");
       gtk_widget_set_margin_top (frame, 8);
       gtk_widget_set_margin_bottom (frame, 8);
       gtk_container_add (GTK_CONTAINER (vbox), frame);
 
-      vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
-      gtk_widget_set_margin_start (vbox2, 8);
-      gtk_widget_set_margin_end (vbox2, 8);
-      gtk_widget_set_margin_top (vbox2, 8);
-      gtk_widget_set_margin_bottom (vbox2, 8);
-      gtk_container_add (GTK_CONTAINER (frame), vbox2);
+      gtk_widget_set_halign (actions, GTK_ALIGN_CENTER);
 
-      /* Standard message dialog */
-      label = gtk_label_new ("An example of different info bars");
-      gtk_container_add (GTK_CONTAINER (vbox2), label);
-
-      gtk_container_add (GTK_CONTAINER (vbox2), actions);
+      gtk_widget_set_margin_start (actions, 8);
+      gtk_widget_set_margin_end (actions, 8);
+      gtk_widget_set_margin_top (actions, 8);
+      gtk_widget_set_margin_bottom (actions, 8);
+      gtk_container_add (GTK_CONTAINER (frame), actions);
     }
 
   if (!gtk_widget_get_visible (window))
diff --git a/demos/gtk-demo/links.c b/demos/gtk-demo/links.c
index feb2aafeb6..4917176581 100644
--- a/demos/gtk-demo/links.c
+++ b/demos/gtk-demo/links.c
@@ -1,7 +1,7 @@
 /* Links
  *
  * GtkLabel can show hyperlinks. The default action is to call
- * gtk_show_uri_on_window() on their URI, but it is possible to override
+ * gtk_show_uri() on their URI, but it is possible to override
  * this with a custom handler.
  */
 
@@ -30,6 +30,8 @@ activate_link (GtkWidget   *label,
                  GTK_DIALOG_DESTROY_WITH_PARENT,
                  GTK_MESSAGE_INFO,
                  GTK_BUTTONS_OK,
+                 "Keyboard navigation");
+      gtk_message_dialog_format_secondary_markup (GTK_MESSAGE_DIALOG (dialog),
                  "The term <i>keynav</i> is a shorthand for "
                  "keyboard navigation and refers to the process of using "
                  "a program (exclusively) via keyboard input.");
@@ -56,21 +58,29 @@ do_links (GtkWidget *do_widget)
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Links");
+      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
       g_signal_connect (window, "destroy",
                         G_CALLBACK (gtk_widget_destroyed), &window);
 
       label = gtk_label_new ("Some <a href=\"http://en.wikipedia.org/wiki/Text\"";
-                             "title=\"plain text\">text</a> may be marked up\n"
-                             "as hyperlinks, which can be clicked\n"
-                             "or activated via <a href=\"keynav\">keynav</a>\n"
-                             "and they work fine with other markup, like when\n"
+                             "title=\"plain text\">text</a> may be marked up "
+                             "as hyperlinks, which can be clicked "
+                             "or activated via <a href=\"keynav\">keynav</a> "
+                             "and they work fine with other markup, like when "
                              "searching on <a href=\"http://www.google.com/\";>"
                              "<span color=\"#0266C8\">G</span><span color=\"#F90101\">o</span>"
                              "<span color=\"#F2B50F\">o</span><span color=\"#0266C8\">g</span>"
                              "<span color=\"#00933B\">l</span><span color=\"#F90101\">e</span>"
                              "</a>.");
       gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
+      gtk_label_set_max_width_chars (GTK_LABEL (label), 40);
+      gtk_label_set_wrap (GTK_LABEL (label), TRUE);
+      gtk_label_set_wrap_mode (GTK_LABEL (label), PANGO_WRAP_WORD);
       g_signal_connect (label, "activate-link", G_CALLBACK (activate_link), NULL);
+      gtk_widget_set_margin_start (label, 20);
+      gtk_widget_set_margin_end (label, 20);
+      gtk_widget_set_margin_top (label, 20);
+      gtk_widget_set_margin_bottom (label, 20);
       gtk_container_add (GTK_CONTAINER (window), label);
       gtk_widget_show (label);
     }
diff --git a/demos/gtk-demo/scale.c b/demos/gtk-demo/scale.c
index 9e274265d8..55304e890e 100644
--- a/demos/gtk-demo/scale.c
+++ b/demos/gtk-demo/scale.c
@@ -1,4 +1,4 @@
-/* Scale
+/* Scales
  *
  * GtkScale is a way to select a value from a range.
  * Scales can have marks to help pick special values,
diff --git a/demos/gtk-demo/scale.ui b/demos/gtk-demo/scale.ui
index 066a7e42f8..9859d17408 100644
--- a/demos/gtk-demo/scale.ui
+++ b/demos/gtk-demo/scale.ui
@@ -20,6 +20,7 @@
   </object>
   <object class="GtkWindow" id="window1">
     <property name="title" translatable="yes">Scales</property>
+    <property name="resizable">0</property>
     <child>
       <object class="GtkGrid" id="grid1">
         <property name="row-spacing">10</property>
diff --git a/demos/gtk-demo/spinbutton.c b/demos/gtk-demo/spinbutton.c
index 3f4a0c91c8..e50379a8db 100644
--- a/demos/gtk-demo/spinbutton.c
+++ b/demos/gtk-demo/spinbutton.c
@@ -1,4 +1,4 @@
-/* Spin Button
+/* Spin Buttons
  *
  * GtkSpinButton provides convenient ways to input data
  * that can be seen as a value in a range. The examples
diff --git a/demos/gtk-demo/stack.ui b/demos/gtk-demo/stack.ui
index fc3615a5f0..d1f7c7a91c 100644
--- a/demos/gtk-demo/stack.ui
+++ b/demos/gtk-demo/stack.ui
@@ -2,6 +2,7 @@
 <interface>
   <object class="GtkWindow" id="window1">
     <property name="title" translatable="yes">Stack</property>
+    <property name="resizable">0</property>
     <child>
       <object class="GtkGrid">
         <child>
@@ -25,6 +26,7 @@
                   <object class="GtkImage">
                     <property name="margin-top">20</property>
                     <property name="margin-bottom">20</property>
+                    <property name="pixel-size">100</property>
                     <property name="icon-name">org.gtk.Demo4</property>
                   </object>
                 </property>