allow setting videos/screensaver based on tab

src/application.vala

@@ -39,10 +39,12 @@ namespace Deskcandy {
     private void set_up_actions() {
       var a_about = new SimpleAction("about", null);
       a_about.activate.connect((widget) => {
+        message("about...");
         var about_dialog = new Gtk.AboutDialog();
         about_dialog.destroy_with_parent = true;
         about_dialog.transient_for = this.window;
         about_dialog.modal = true;
+        about_dialog.present();
       });
       this.add_action(a_about);
 

src/candy/base.vala

@@ -1,10 +1,12 @@
 namespace Deskcandy.Candy {
   public abstract class BaseCandy : Object {
+    public string name { get; set; }
+
     protected BaseCandy() {
     }
 
     public abstract async void initialize() throws Error;
 
-    public abstract Subprocess launch(uint socket_id, string path) throws Error;
+    public abstract Subprocess launch(uint socket_id) throws Error;
   }
 }

src/candy/video.vala

@@ -6,9 +6,9 @@ namespace Deskcandy.Candy {
     public override async void initialize() throws Error {
     }
 
-    public override Subprocess launch(uint socket_id, string path) throws Error {
+    public override Subprocess launch(uint socket_id) throws Error {
       message("Launching mpv video...");
-      return new Subprocess(SubprocessFlags.NONE, "mpv", @"--wid=$socket_id", "--no-audio", "--video-unscaled=downscale-big", "--video-zoom=20", path);
+      return new Subprocess(SubprocessFlags.NONE, "mpv", @"--wid=$socket_id", "--no-audio", "--video-unscaled=downscale-big", "--video-zoom=20", this.name);
     }
   }
 }

src/candy/xscreensaver.vala

@@ -28,9 +28,9 @@ namespace Deskcandy.Candy {
       message(@"Found $(this.configs.length()) screensavers.");
     }
 
-    public override Subprocess launch(uint socket_id, string saver) throws Error {
+    public override Subprocess launch(uint socket_id) throws Error {
         message("Launching XScreensaver...");
-        return new Subprocess(SubprocessFlags.NONE, @"$(this.saver_path)/$saver", "-window-id", socket_id.to_string());
+        return new Subprocess(SubprocessFlags.NONE, @"$(this.saver_path)/$(this.name)", "-window-id", socket_id.to_string());
     }
 
     private async void hacky_determine_directories() {

src/desktop_window.vala

@@ -28,7 +28,7 @@ namespace Deskcandy {
       this.visible = true;
 
       try {
-        this.proc = candy.launch((uint)this.socket.get_id(), "unknownpleasures");
+        //this.proc = candy.launch((uint)this.socket.get_id());
       } catch (Error e) {
         error(e.message);
       }

src/window.ui

@@ -314,7 +314,8 @@
                 <property name="visible">True</property>
                 <property name="can-focus">False</property>
                 <property name="margin-end">5</property>
-                <property name="transition-type">slide-left-right</property>
+                <property name="transition-type">over-up-down</property>
+                <signal name="notify::visible-child-name" handler="on_main_stack_visible_child_name_notify" swapped="no"/>
                 <child>
                   <object class="GtkBox" id="presets_page">
                     <property name="visible">True</property>
@@ -579,6 +580,7 @@
                         <property name="visible">True</property>
                         <property name="can-focus">False</property>
                         <property name="transition-type">slide-left-right</property>
+                        <signal name="notify::visible-child-name" handler="on_preset_type_stack_visible_child_name_notify" swapped="no"/>
                         <child>
                           <object class="GtkBox">
                             <property name="visible">True</property>
@@ -649,6 +651,7 @@
                             <property name="valign">start</property>
                             <property name="filter">video_file_filter</property>
                             <property name="title" translatable="yes">Select Video</property>
+                            <signal name="file-set" handler="on_video_chooser_file_set" swapped="no"/>
                           </object>
                           <packing>
                             <property name="name">video_page</property>

src/window.vala

@@ -13,13 +13,18 @@ namespace Deskcandy {
     [GtkChild]
     private unowned Gtk.Stack main_stack;
     [GtkChild]
+    private unowned Gtk.Stack preset_type_stack;
+    [GtkChild]
     private unowned Gtk.Label candy_status;
-
     [GtkChild]
     private unowned Gtk.ListStore screensavers_liststore;
+    [GtkChild]
+    private unowned Gtk.FileChooserButton video_chooser;
 
+    private BaseCandy active_candy;
     private Subprocess proc;
     private XScreensaver xss;
+    private Video video;
 
     public Window (Application app) {
       Object (application: app);
@@ -44,20 +49,19 @@ namespace Deskcandy {
     }
 
     public void on_initialized(BaseCandy[] candies) {
-      foreach (BaseCandy candy in candies) {
+      this.xss = (XScreensaver)candies[0];
-        if (candy is XScreensaver) {
+      Gtk.TreeIter iter;
-          this.xss = (XScreensaver)candy;
+      this.screensavers_liststore.clear();
-          Gtk.TreeIter iter;
+      foreach (XScreensaverConfig config in this.xss.configs) {
-          this.screensavers_liststore.clear();
+        this.screensavers_liststore.append(out iter);
-          foreach (XScreensaverConfig config in this.xss.configs) {
+        this.screensavers_liststore.set(iter, 0, config.label, 1, config.description, 2, config.name);
-            this.screensavers_liststore.append(out iter);
-            this.screensavers_liststore.set(iter, 0, config.label, 1, config.description, 2, config.name);
-          }
-        }
       }
+
+      this.video = (Video)candies[1];
+      this.active_candy = this.xss;
     }
 
-    private void refresh_socket(BaseCandy candy, string name) {
+    private void refresh_socket() {
       if (this.socket != null) {
         this.preview.remove(this.socket);
         this.proc.send_signal(15);
@@ -68,7 +72,7 @@ namespace Deskcandy {
       this.preview.add(this.socket);
 
       try {
-        this.proc = candy.launch((uint)this.socket.get_id(), name);
+        this.proc = this.active_candy.launch((uint)this.socket.get_id());
       } catch (Error e) {
         error(e.message);
       }
@@ -86,10 +90,17 @@ namespace Deskcandy {
       if (treeview.model.get_iter(out iter, path)) {
         string name;
         treeview.model.get(iter, 2, out name);
-        this.refresh_socket(this.xss, name);
+        this.xss.name = name;
+        this.refresh_socket();
       }
     }
 
+    [GtkCallback]
+    private void on_video_chooser_file_set() {
+      this.video.name = this.video_chooser.get_filename();
+      this.refresh_socket();
+    }
+
     private void on_create_preset(SimpleAction a, Variant? v) {
       this.main_stack.visible_child_name = "editor_page";
     }
@@ -112,6 +123,28 @@ namespace Deskcandy {
       popover.popdown();
     }
 
+    [GtkCallback]
+    private void on_main_stack_visible_child_name_notify(Object o, ParamSpec param) {
+      message(@"page: $(this.main_stack.visible_child_name)");
+    }
+
+    [GtkCallback]
+    private void on_preset_type_stack_visible_child_name_notify(Object o, ParamSpec param) {
+      message(@"preset type: $(this.preset_type_stack.visible_child_name)");
+      switch (this.preset_type_stack.visible_child_name) {
+        case "video_page":
+          this.active_candy = this.video;
+          break;
+        case "screensaver_page":
+          this.active_candy = this.xss;
+          break;
+      }
+
+      if (this.active_candy.name != null && this.active_candy.name != "") {
+        this.refresh_socket();
+      }
+    }
+
     private void on_delete_preset(SimpleAction a, Variant? v) {
       message("delete");
     }