From 33c2ba849b1f752deb38cf8715571eadbc4b323b Mon Sep 17 00:00:00 2001

From: Ray Strode <rstrode@redhat.com>

Date: Thu, 13 Dec 2007 14:38:16 -0500

Subject: [PATCH] add lame animation to greeter login window

---

 gui/simple-greeter/gdm-greeter-login-window.c |   90 +++++++++++++++++++++++-

 1 files changed, 86 insertions(+), 4 deletions(-)

diff --git a/gui/simple-greeter/gdm-greeter-login-window.c b/gui/simple-greeter/gdm-greeter-login-window.c

index ca14b38..ceb9e88 100644

--- a/gui/simple-greeter/gdm-greeter-login-window.c

+++ b/gui/simple-greeter/gdm-greeter-login-window.c

@@ -72,6 +72,8 @@ struct GdmGreeterLoginWindowPrivate

         char            *timeformat;

         guint            update_clock_id;

         gboolean         clock_show_seconds;

+

+        guint            animation_timeout_id;

 };

 enum {

@@ -860,12 +862,60 @@ load_theme (GdmGreeterLoginWindow *login_window)

         switch_mode (login_window, MODE_SELECTION);

 }

+static gboolean

+fit_window_to_children (GdmGreeterLoginWindow *window)

+{

+        int x;

+        int y;

+        int width;

+        int height;

+        int height_step;

+        int width_step;

+

+        /* FIXME: this animation logic is really dumb

+         */

+

+        if (!GTK_WIDGET_REALIZED (GTK_WIDGET (window))) {

+                return FALSE;

+        }

+

+        gdk_window_get_geometry (GTK_WIDGET (window)->window,

+                                 &x, &y, &width, &height, NULL);

+

+        if (height == GTK_WIDGET (window)->requisition.height) {

+                return FALSE;

+        }

+

+        if (width < GTK_WIDGET (window)->requisition.width) {

+                width_step = MIN (1, GTK_WIDGET (window)->requisition.width - width);

+        } else if (width > GTK_WIDGET (window)->requisition.width) {

+                width_step = -1 * MIN (1, width - GTK_WIDGET (window)->requisition.width);

+        } else {

+                width_step = 0;

+        }

+

+        if (height < GTK_WIDGET (window)->requisition.height) {

+                height_step = MIN ((int) 25, GTK_WIDGET (window)->requisition.height - height);

+        } else if (height > GTK_WIDGET (window)->requisition.height) {

+                height_step = -1 * MIN ((int) 25, height - GTK_WIDGET (window)->requisition.height);

+        } else {

+                height_step = 0;

+        }

+

+        gdk_window_resize (GTK_WIDGET (window)->window,

+                           width + width_step,

+                           height + height_step);

+

+        return TRUE;

+}

+

 static void

 gdm_greeter_login_window_size_request (GtkWidget      *widget,

                                        GtkRequisition *requisition)

 {

-        int screen_w;

-        int screen_h;

+        int            screen_w;

+        int            screen_h;

+        GtkRequisition child_requisition;

         if (GTK_WIDGET_CLASS (gdm_greeter_login_window_parent_class)->size_request) {

                 GTK_WIDGET_CLASS (gdm_greeter_login_window_parent_class)->size_request (widget, requisition);

@@ -874,8 +924,39 @@ gdm_greeter_login_window_size_request (GtkWidget      *widget,

         screen_w = gdk_screen_get_width (gtk_widget_get_screen (widget));

         screen_h = gdk_screen_get_height (gtk_widget_get_screen (widget));

-        requisition->height = screen_h * 0.5;

-        requisition->width = screen_w * 0.3;

+        gtk_widget_size_request (GTK_BIN (widget)->child, &child_requisition);

+        *requisition = child_requisition;

+

+        requisition->width += 2 * GTK_CONTAINER (widget)->border_width;

+        requisition->height += 2 * GTK_CONTAINER (widget)->border_width;

+

+        requisition->width = MIN (requisition->width, .50 * screen_w);

+        requisition->height = MIN (requisition->height, .80 * screen_h);

+}

+

+static void

+clear_animation_timeout_id (GdmGreeterLoginWindow *window)

+{

+        window->priv->animation_timeout_id = 0;

+}

+

+static void

+gdm_greeter_login_window_size_allocate (GtkWidget      *widget,

+                                        GtkAllocation  *allocation)

+{

+        GdmGreeterLoginWindow *window;

+

+        window = GDM_GREETER_LOGIN_WINDOW (widget);

+

+        if (window->priv->animation_timeout_id == 0) {

+                window->priv->animation_timeout_id =

+                    g_timeout_add_full (G_PRIORITY_DEFAULT_IDLE, 20,

+                                        (GSourceFunc) fit_window_to_children,

+                                        widget,

+                                        (GDestroyNotify) clear_animation_timeout_id);

+        }

+

+        GTK_WIDGET_CLASS (gdm_greeter_login_window_parent_class)->size_allocate (widget, allocation);

 }

 static GObject *

@@ -910,6 +991,7 @@ gdm_greeter_login_window_class_init (GdmGreeterLoginWindowClass *klass)

         object_class->finalize = gdm_greeter_login_window_finalize;

         widget_class->size_request = gdm_greeter_login_window_size_request;

+        widget_class->size_allocate = gdm_greeter_login_window_size_allocate;

         signals [BEGIN_VERIFICATION] =

                 g_signal_new ("begin-verification",

-- 

1.5.3.6