...

src/frames.c

@@ -21,6 +21,71 @@
 
 #include "frames.h"
 
+struct _MetaFrame
+{
+  Window xwindow;
+  GdkWindow *window;
+  PangoLayout *layout;
+  MetaFrameFlags flags;
+  /* w/h of frame window */
+  int width;
+  int height;
+};
+
+struct _MetaFrameProperties
+{
+  /* Size of left/right/bottom sides */
+  int left_width;
+  int right_width;
+  int bottom_height;
+  
+  /* Border of blue title region */
+  GtkBorder title_border;
+
+  /* Border inside title region, around title */
+  GtkBorder text_border;  
+ 
+  /* padding on either side of spacer */
+  int spacer_padding;
+
+  /* Size of spacer */
+  int spacer_width;
+  int spacer_height;
+
+  /* indent of buttons from edges of frame */
+  int right_inset;
+  int left_inset;
+  
+  /* Size of buttons */
+  int button_width;
+  int button_height;
+
+  /* Space around buttons */
+  GtkBorder button_border;
+
+  /* Space inside button which is clickable but doesn't draw the
+   * button icon
+   */
+  GtkBorder inner_button_border;
+};
+
+typedef struct _MetaFrameGeometry MetaFrameGeometry;
+
+struct _MetaFrameGeometry
+{
+  int left_width;
+  int right_width;
+  int top_height;
+  int bottom_height;
+
+  MetaRectangle close_rect;
+  MetaRectangle max_rect;
+  MetaRectangle min_rect;
+  MetaRectangle spacer_rect;
+  MetaRectangle menu_rect;
+  MetaRectangle title_rect;  
+};
+
 static void meta_frames_class_init (MetaFramesClass *klass);
 static void meta_frames_init       (MetaFrames      *frames);
 static void meta_frames_destroy    (GtkObject       *object);
@@ -28,6 +93,48 @@ static void meta_frames_finalize   (GObject         *object);
 static void meta_frames_style_set  (GtkWidget       *widget,
                                     GtkStyle        *prev_style);
 
+gboolean meta_frames_button_press_event      (GtkWidget           *widget,
+                                              GdkEventButton      *event);
+gboolean meta_frames_button_release_event    (GtkWidget           *widget,
+                                              GdkEventButton      *event);
+gboolean meta_frames_motion_notify_event     (GtkWidget           *widget,
+                                              GdkEventMotion      *event);
+gboolean meta_frames_destroy_event           (GtkWidget           *widget,
+                                              GdkEventAny         *event);
+gboolean meta_frames_expose_event            (GtkWidget           *widget,
+                                              GdkEventExpose      *event);
+gboolean meta_frames_key_press_event         (GtkWidget           *widget,
+                                              GdkEventKey         *event);
+gboolean meta_frames_key_release_event       (GtkWidget           *widget,
+                                              GdkEventKey         *event);
+gboolean meta_frames_enter_notify_event      (GtkWidget           *widget,
+                                              GdkEventCrossing    *event);
+gboolean meta_frames_leave_notify_event      (GtkWidget           *widget,
+                                              GdkEventCrossing    *event);
+gboolean meta_frames_configure_event         (GtkWidget           *widget,
+                                              GdkEventConfigure   *event);
+gboolean meta_frames_focus_in_event          (GtkWidget           *widget,
+                                              GdkEventFocus       *event);
+gboolean meta_frames_focus_out_event         (GtkWidget           *widget,
+                                              GdkEventFocus       *event);
+gboolean meta_frames_map_event               (GtkWidget           *widget,
+                                              GdkEventAny         *event);
+gboolean meta_frames_unmap_event             (GtkWidget           *widget,
+                                              GdkEventAny         *event);
+gboolean meta_frames_property_notify_event   (GtkWidget           *widget,
+                                              GdkEventProperty    *event);
+gboolean meta_frames_client_event            (GtkWidget           *widget,
+                                              GdkEventClient      *event);
+gboolean meta_frames_window_state_event      (GtkWidget           *widget,
+                                              GdkEventWindowState *event);
+
+
+static void meta_frames_calc_geometry (MetaFrames        *frames,
+                                       MetaFrameGeometry *fgeom);
+
+static MetaFrame* meta_frames_lookup_window (MetaFrames *frames,
+                                             Window      xwindow);
+
 static GtkWidgetClass *parent_class = NULL;
 static guint signals[LAST_SIGNAL];
 
@@ -56,6 +163,24 @@ meta_frames_get_type (void)
   return frames_type;
 }
 
+#define BORDER_PROPERTY (name, blurb, docs)                                        \
+  gtk_widget_class_install_style_property (widget_class,                           \
+					   g_param_spec_boxed (name,               \
+							       blurb,              \
+							       docs,               \
+							       GTK_TYPE_BORDER,    \
+							       G_PARAM_READABLE))
+
+#define INT_PROPERTY (name, default, blurb, docs)                               \
+  gtk_widget_class_install_style_property (widget_class,                        \
+					   g_param_spec_int (name,              \
+                                                             blurb,             \
+                                                             docs,              \
+							     0,                 \
+							     G_MAXINT,          \
+                                                             default,           \
+							     G_PARAM_READABLE))
+
 static void
 meta_frames_class_init (MetaFramesClass *class)
 {
@@ -73,53 +198,715 @@ meta_frames_class_init (MetaFramesClass *class)
   object_class->destroy = meta_frames_destroy;
 
   widget_class->style_set = meta_frames_style_set;
-  
-  gtk_widget_class_install_style_property (widget_class,
-					   g_param_spec_int ("slider_width",
-							     _("Slider Width"),
-							     _("Width of scrollbar or scale thumb"),
-							     0,
-							     G_MAXINT,
-							     14,
-							     G_PARAM_READABLE));
 
+  INT_PROPERTY ("left_width", 6, _("Left edge"), _("Left window edge width"));
+  INT_PROPERTY ("right_width", 6, _("Right edge"), _("Right window edge width"));
+  INT_PROPERTY ("bottom_height", 7, _("Bottom edge"), _("Bottom window edge height"));
+  
+  BORDER_PROPERTY ("title_border", _("Title border"), _("Border around title area"));
+  BORDER_PROPERTY ("text_border", _("Text border"), _("Border around window title text"));
+
+  INT_PROPERTY ("spacer_padding", 3, _("Spacer padding"), _("Padding on either side of spacer"));
+  INT_PROPERTY ("spacer_width", 2, _("Spacer width"), _("Width of spacer"));
+  INT_PROPERTY ("spacer_height", 10, _("Spacer height"), _("Height of spacer"));
+
+  /* same as right_width left_width by default */
+  INT_PROPERTY ("right_inset", 6, _("Right inset"), _("Distance of buttons from right edge of frame"));
+  INT_PROPERTY ("left_inset", 6, _("Left inset"), _("Distance of menu button from left edge of frame"));
+  
+  INT_PROPERTY ("button_width", 14, _("Button width"), _("Width of buttons"));
+  INT_PROPERTY ("button_height", 14, _("Button height"), _("Height of buttons"));
+
+  BORDER_PROPERTY ("button_border", _("Button border"), _("Border around buttons"));
+  BORDER_PROPERTY ("inner_button_border", _("Inner button border"), _("Border around the icon inside buttons"));
+}
+
+static gint
+unsigned_long_equal (gconstpointer v1,
+                     gconstpointer v2)
+{
+  return *((const gulong*) v1) == *((const gulong*) v2);
+}
+
+static guint
+unsigned_long_hash (gconstpointer v)
+{
+  gulong val = * (const gulong *) v;
+
+  /* I'm not sure this works so well. */
+#if G_SIZEOF_LONG > 4
+  return (guint) (val ^ (val >> 32));
+#else
+  return val;
+#endif
 }
 
 static void
 meta_frames_init (MetaFrames *frames)
 {
   GTK_WINDOW (frames)->type = GTK_WINDOW_POPUP;
+
+  frames->props = g_new0 (MetaFrameProperties, 1);
+
+  frames->frames = g_hash_table_new (unsigned_long_hash, unsigned_long_equal);
 }
 
 static void
 meta_frames_destroy (GtkObject *object)
 {
 
+  GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
 
+static void
+listify_func (gpointer key, gpointer value, gpointer data)
+{
+  GSList **listp;
+
+  listp = data;
+  *listp = g_slist_prepend (*listp, value);
 }
 
 static void
 meta_frames_finalize (GObject *object)
 {
+  MetaFrames *frames;
+  GSList *winlist;
+  GSList *tmp;
+  
+  frames = META_FRAMES (object);
 
+  winlist = NULL;
+  g_hash_table_foreach (frames->frames,
+                        listify_func,
+                        &winlist);
 
+  /* Unmanage all frames */
+  tmp = winlist;
+  while (tmp != NULL)
+    {
+      MetaFrame *frame;
+
+      frame = tmp->data;
+
+      meta_frames_unmanage_window (frames, frame->xwindow);
+      
+      tmp = tmp->next;
+    }
+  g_slist_free (winlist);
+
+  g_assert (g_hash_table_size (frames->frames) == 0);
+  g_hash_table_destroy (frames->frames);
+  
+  g_free (frames->props);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+meta_frames_style_set  (GtkWidget *widget,
+                        GtkStyle  *prev_style)
+{
+  MetaFrames *frames;
+  /* left, right, top, bottom */
+  static GtkBorder default_title_border = { 3, 4, 4, 3 };
+  static GtkBorder default_text_border = { 2, 2, 2, 2 };
+  static GtkBorder default_button_border = { 1, 1, 1, 1 };
+  static GtkBorder default_inner_button_border = { 3, 3, 3, 3 };
+  GtkBorder *title_border;
+  GtkBorder *text_border;
+  GtkBorder *button_border;
+  GtkBorder *inner_button_border;
+  MetaFrameProperties props;
+
+  frames = META_FRAMES (widget);
+  
+  gtk_widget_style_get (widget,
+                        "left_width",
+                        &props.left_width,
+                        "right_width",
+                        &props.right_width,
+                        "bottom_height",
+                        &props.bottom_height,
+                        "title_border",
+                        &title_border,
+                        "text_border",
+                        &text_border,
+                        "spacer_padding",
+                        &props.spacer_padding,
+                        "spacer_width",
+                        &props.spacer_width,
+                        "spacer_height",
+                        &props.spacer_height,
+                        "right_inset",
+                        &props.right_inset,
+                        "left_inset",
+                        &props.left_inset,
+                        "button_width",
+                        &props.button_width,
+                        "button_height",
+                        &props.button_height,
+                        "button_border",
+                        &button_border,
+                        "inner_button_border",
+                        &inner_button_border,
+                        NULL);
+  
+  if (title_border)
+    props.title_border = *title_border;
+  else
+    props.title_border = default_title_border;
+
+  g_free (title_border);
+  
+  if (text_border)
+    props.text_border = *text_border;
+  else
+    props.text_border = default_text_border;
+
+  g_free (text_border);
+
+  if (button_border)
+    props.button_border = *button_border;
+  else
+    props.button_border = default_button_border;
+
+  g_free (button_border);
+
+  if (inner_button_border)
+    props.inner_button_border = *inner_button_border;
+  else
+    props.inner_button_border = default_inner_button_border;
+
+  g_free (inner_button_border);
+
+  *(frames->props) = props;
+
+  {
+    PangoFontMetrics metrics;
+    PangoFont *font;
+    gchar *lang;
+
+    font = pango_context_load_font (gtk_widget_get_pango_context (widget),
+                                    widget->style->font_desc);
+    lang = pango_context_get_lang (gtk_widget_get_pango_context (widget));
+    pango_font_get_metrics (font, lang, &metrics);
+    g_free (lang);
+    
+    g_object_unref (G_OBJECT (font));
+    
+    frames->text_height = metrics.ascent + metrics.descent;
+  }
+}
+
+static void
+meta_frames_calc_geometry (MetaFrames        *frames,
+                           MetaFrame         *frame,
+                           MetaFrameGeometry *fgeom)
+{
+  int x;
+  int button_y;
+  int title_right_edge;
+  gboolean shaded;
+  MetaFrameProperties props;
+  int buttons_height, title_height, spacer_height;
+  
+  props = *(frames->props);
+
+  buttons_height = props.button_height +
+    props.button_border.top + props.button_border.bottom;
+  title_height = frames->text_height +
+    props.text_border.top + props.text_border.bottom +
+    props.title_border.top + props.title_border.bottom;
+  spacer_height = props.spacer_height;
+  
+  fgeom->top_height = MAX (buttons_height, title_height);
+  fgeom->top_height = MAX (fgeom->top_height, spacer_height);
+
+  fgeom->left_width = props.left_width;
+  fgeom->right_width = props.right_width;
+
+  if (frame->flags & META_FRAME_SHADED)
+    fgeom->bottom_height = 0;
+  else
+    fgeom->bottom_height = props.bottom_height;
+
+  x = frame->width - fgeom->button_inset;
+
+  /* center buttons */
+  button_y = (fgeom->top_height -
+              (props.button_height + props.button_border.top + props.button_border.bottom)) / 2 + props.button_border.top;
+
+  if ((frame->flags & META_FRAME_ALLOWS_DELETE) &&
+      x >= 0)
+    {
+      fgeom->close_rect.x = x - props.button_border.right - props.button_width;
+      fgeom->close_rect.y = button_y;
+      fgeom->close_rect.width = props.button_width;
+      fgeom->close_rect.height = props.button_height;
+
+      x = fgeom->close_rect.x - props.button_border.left;
+    }
+  else
+    {
+      fgeom->close_rect.x = 0;
+      fgeom->close_rect.y = 0;
+      fgeom->close_rect.width = 0;
+      fgeom->close_rect.height = 0;
+    }
+
+  if ((frame->flags & META_FRAME_ALLOWS_MAXIMIZE) &&
+      x >= 0)
+    {
+      fgeom->max_rect.x = x - props.button_border.right - props.button_width;
+      fgeom->max_rect.y = button_y;
+      fgeom->max_rect.width = props.button_width;
+      fgeom->max_rect.height = props.button_height;
+
+      x = fgeom->max_rect.x - props.button_border.left;
+    }
+  else
+    {
+      fgeom->max_rect.x = 0;
+      fgeom->max_rect.y = 0;
+      fgeom->max_rect.width = 0;
+      fgeom->max_rect.height = 0;
+    }
+  
+  if ((frame->flags & META_FRAME_ALLOWS_MINIMIZE) &&
+      x >= 0)
+    {
+      fgeom->min_rect.x = x - props.button_border.right - props.button_width;
+      fgeom->min_rect.y = button_y;
+      fgeom->min_rect.width = props.button_width;
+      fgeom->min_rect.height = props.button_height;
+
+      x = fgeom->min_rect.x - props.button_border.left;
+    }
+  else
+    {
+      fgeom->min_rect.x = 0;
+      fgeom->min_rect.y = 0;
+      fgeom->min_rect.width = 0;
+      fgeom->min_rect.height = 0;
+    }
+
+  if ((fgeom->close_rect.width > 0 ||
+       fgeom->max_rect.width > 0 ||
+       fgeom->min_rect.width > 0) &&
+      x >= 0)
+    {
+      fgeom->spacer_rect.x = x - props.spacer_padding - props.spacer_width;
+      fgeom->spacer_rect.y = (fgeom->top_height - props.spacer_height) / 2;
+      fgeom->spacer_rect.width = props.spacer_width;
+      fgeom->spacer_rect.height = props.spacer_height;
+
+      x = fgeom->spacer_rect.x - props.spacer_padding;
+    }
+  else
+    {
+      fgeom->spacer_rect.x = 0;
+      fgeom->spacer_rect.y = 0;
+      fgeom->spacer_rect.width = 0;
+      fgeom->spacer_rect.height = 0;
+    }
+
+  title_right_edge = x - props.title_border.right;
+
+  /* Now x changes to be position from the left */
+  x = fgeom->left_inset;
+  
+  if ((frame->flags & META_FRAME_ALLOWS_MENU) &&
+      x < title_right_edge)
+    {
+      fgeom->menu_rect.x = x + props.button_border.left;
+      fgeom->menu_rect.y = button_y;
+      fgeom->menu_rect.width = props.button_width;
+      fgeom->menu_rect.height = props.button_height;
+
+      x = fgeom->menu_rect.x + fgeom->menu_rect.width + props.button_border.right;
+    }
+  else
+    {
+      fgeom->menu_rect.x = 0;
+      fgeom->menu_rect.y = 0;
+      fgeom->menu_rect.width = 0;
+      fgeom->menu_rect.height = 0;
+    }
+
+  /* If menu overlaps close button, then the menu wins since it
+   * lets you perform any operation including close
+   */
+  if (fgeom->close_rect.width > 0 &&
+      fgeom->close_rect.x < (fgeom->menu_rect.x + fgeom->menu_rect.height))
+    {
+      fgeom->close_rect.width = 0;
+      fgeom->close_rect.height = 0;
+    }
+  
+  /* We always fill as much vertical space as possible with title rect,
+   * rather than centering it like the buttons and spacer
+   */
+  fgeom->title_rect.x = x + props.title_border.left;
+  fgeom->title_rect.y = props.title_border.top;
+  fgeom->title_rect.width = title_right_edge - fgeom->title_rect.x;
+  fgeom->title_rect.height = frames->top_height - props.title_border.top - props.title_border.bottom;
+
+  /* Nuke title if it won't fit */
+  if (fgeom->title_rect.width < 0 ||
+      fgeom->title_rect.height < 0)
+    {
+      fgeom->title_rect.width = 0;
+      fgeom->title_rect.height = 0;
+    }
 }
 
 void
 meta_frames_manage_window (MetaFrames *frames,
-                           GdkWindow  *window)
+                           Window      xwindow)
 {
-  g_return_if_fail (GDK_IS_WINDOW (window));
+  MetaFrame *frame;
   
-  gdk_window_set_user_data (window, frames);
+  g_return_if_fail (GDK_IS_WINDOW (window));
 
-  gdk_window_set_events (window,
+  frame = g_new (MetaFrame, 1);
+
+  gdk_error_trap_push ();
+  
+  frame->window = gdk_window_foreign_new (xwindow);
+
+  if (frame->window == NULL)
+    {
+      gdk_error_trap_pop ();
+      meta_ui_warning ("Frame 0x%lx disappeared as we managed it\n", xwindow);
+      return;
+    }
+  
+  gdk_window_set_user_data (frame->window, frames);
+  
+  gdk_window_set_events (frame->window,
                          GDK_EXPOSURE_MASK |
                          GDK_POINTER_MOTION_MASK |
                          GDK_POINTER_MOTION_HINT_MASK |
                          GDK_BUTTON_PRESS_MASK |
                          GDK_BUTTON_RELEASE_MASK |
                          GDK_STRUCTURE_MASK);
+
+  gdk_drawable_get_size (GDK_DRAWABLE (frame->window),
+                         &frame->width, &frame->height);
+  
+  gdk_error_trap_pop ();
+
+  frame->xwindow = xwindow;
+  frame->layout = NULL;
+  frame->flags = 0;
+  
+  g_hash_table_insert (frames->frames, &frame->xwindow);
 }
 
+void
+meta_frames_unmanage_window (MetaFrames *frames,
+                             Window      xwindow)
+{
+  MetaFrame *frame;
+
+  frame = g_hash_table_lookup (frames->frames, &xwindow);
+
+  if (frame)
+    {
+      g_hash_table_remove (frames->frames, &frame->xwindow);
+      
+      g_object_unref (G_OBJECT (frame->window));
+
+      if (frame->layout)
+        g_object_unref (G_OBJECT (frame->layout));
+      
+      g_free (frame);
+    }
+  else
+    meta_ui_warning ("Frame 0x%lx not managed, can't unmanage\n", xwindow);
+}
+
+static MetaFrame*
+meta_frames_lookup_window (MetaFrames *frames,
+                           Window      xwindow)
+{
+  MetaFrame *frame;
+
+  frame = g_hash_table_lookup (frames->frames, &xwindow);
+
+  return frame;
+}
+
+gboolean
+meta_frames_button_press_event (GtkWidget      *widget,
+                                GdkEventButton *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_button_release_event    (GtkWidget           *widget,
+                                     GdkEventButton      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_motion_notify_event     (GtkWidget           *widget,
+                                     GdkEventMotion      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_destroy_event           (GtkWidget           *widget,
+                                     GdkEventAny         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_expose_event            (GtkWidget           *widget,
+                                     GdkEventExpose      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_key_press_event         (GtkWidget           *widget,
+                                     GdkEventKey         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_key_release_event       (GtkWidget           *widget,
+                                     GdkEventKey         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_enter_notify_event      (GtkWidget           *widget,
+                                     GdkEventCrossing    *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_leave_notify_event      (GtkWidget           *widget,
+                                     GdkEventCrossing    *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_configure_event         (GtkWidget           *widget,
+                                     GdkEventConfigure   *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_focus_in_event          (GtkWidget           *widget,
+                                     GdkEventFocus       *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_focus_out_event         (GtkWidget           *widget,
+                                     GdkEventFocus       *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_map_event               (GtkWidget           *widget,
+                                     GdkEventAny         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_unmap_event             (GtkWidget           *widget,
+                                     GdkEventAny         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_property_notify_event   (GtkWidget           *widget,
+                                     GdkEventProperty    *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_client_event            (GtkWidget           *widget,
+                                     GdkEventClient      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_window_state_event      (GtkWidget           *widget,
+                                     GdkEventWindowState *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
 

src/frames.h

@@ -23,6 +23,8 @@
 #define META_FRAMES_H
 
 #include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+#include "messages.h"
 
 /* This is one widget that manages all the window frames
  * as subwindows.
@@ -38,10 +40,19 @@
 typedef struct _MetaFrames        MetaFrames;
 typedef struct _MetaFramesClass   MetaFramesClass;
 
+typedef struct _MetaFrame           MetaFrame;
+typedef struct _MetaFrameProperties MetaFrameProperties;
+
 struct _MetaFrames
 {
   GtkWindow parent_instance;
 
+  /* If we did a widget per frame, we wouldn't want to cache this. */
+  MetaFrameProperties *props;
+
+  int text_height;
+
+  GHashTable *frames;
 };
 
 struct _MetaFramesClass
@@ -55,6 +66,12 @@ GType        meta_frames_get_type               (void) G_GNUC_CONST;
 MetaFrames *meta_frames_new (void);
 
 void meta_frames_manage_window (MetaFrames *frames,
-                                GdkWindow  *window);
+                                Window      xwindow);
+void meta_frames_unmanage_window (MetaFrames *frames,
+                                  Window      xwindow);
+
+void meta_frames_set_title (MetaFrames *frames,
+                            Window      xwindow,
+                            const char *title);
 
 #endif

src/uislave/frames.c

@@ -21,6 +21,71 @@
 
 #include "frames.h"
 
+struct _MetaFrame
+{
+  Window xwindow;
+  GdkWindow *window;
+  PangoLayout *layout;
+  MetaFrameFlags flags;
+  /* w/h of frame window */
+  int width;
+  int height;
+};
+
+struct _MetaFrameProperties
+{
+  /* Size of left/right/bottom sides */
+  int left_width;
+  int right_width;
+  int bottom_height;
+  
+  /* Border of blue title region */
+  GtkBorder title_border;
+
+  /* Border inside title region, around title */
+  GtkBorder text_border;  
+ 
+  /* padding on either side of spacer */
+  int spacer_padding;
+
+  /* Size of spacer */
+  int spacer_width;
+  int spacer_height;
+
+  /* indent of buttons from edges of frame */
+  int right_inset;
+  int left_inset;
+  
+  /* Size of buttons */
+  int button_width;
+  int button_height;
+
+  /* Space around buttons */
+  GtkBorder button_border;
+
+  /* Space inside button which is clickable but doesn't draw the
+   * button icon
+   */
+  GtkBorder inner_button_border;
+};
+
+typedef struct _MetaFrameGeometry MetaFrameGeometry;
+
+struct _MetaFrameGeometry
+{
+  int left_width;
+  int right_width;
+  int top_height;
+  int bottom_height;
+
+  MetaRectangle close_rect;
+  MetaRectangle max_rect;
+  MetaRectangle min_rect;
+  MetaRectangle spacer_rect;
+  MetaRectangle menu_rect;
+  MetaRectangle title_rect;  
+};
+
 static void meta_frames_class_init (MetaFramesClass *klass);
 static void meta_frames_init       (MetaFrames      *frames);
 static void meta_frames_destroy    (GtkObject       *object);
@@ -28,6 +93,48 @@ static void meta_frames_finalize   (GObject         *object);
 static void meta_frames_style_set  (GtkWidget       *widget,
                                     GtkStyle        *prev_style);
 
+gboolean meta_frames_button_press_event      (GtkWidget           *widget,
+                                              GdkEventButton      *event);
+gboolean meta_frames_button_release_event    (GtkWidget           *widget,
+                                              GdkEventButton      *event);
+gboolean meta_frames_motion_notify_event     (GtkWidget           *widget,
+                                              GdkEventMotion      *event);
+gboolean meta_frames_destroy_event           (GtkWidget           *widget,
+                                              GdkEventAny         *event);
+gboolean meta_frames_expose_event            (GtkWidget           *widget,
+                                              GdkEventExpose      *event);
+gboolean meta_frames_key_press_event         (GtkWidget           *widget,
+                                              GdkEventKey         *event);
+gboolean meta_frames_key_release_event       (GtkWidget           *widget,
+                                              GdkEventKey         *event);
+gboolean meta_frames_enter_notify_event      (GtkWidget           *widget,
+                                              GdkEventCrossing    *event);
+gboolean meta_frames_leave_notify_event      (GtkWidget           *widget,
+                                              GdkEventCrossing    *event);
+gboolean meta_frames_configure_event         (GtkWidget           *widget,
+                                              GdkEventConfigure   *event);
+gboolean meta_frames_focus_in_event          (GtkWidget           *widget,
+                                              GdkEventFocus       *event);
+gboolean meta_frames_focus_out_event         (GtkWidget           *widget,
+                                              GdkEventFocus       *event);
+gboolean meta_frames_map_event               (GtkWidget           *widget,
+                                              GdkEventAny         *event);
+gboolean meta_frames_unmap_event             (GtkWidget           *widget,
+                                              GdkEventAny         *event);
+gboolean meta_frames_property_notify_event   (GtkWidget           *widget,
+                                              GdkEventProperty    *event);
+gboolean meta_frames_client_event            (GtkWidget           *widget,
+                                              GdkEventClient      *event);
+gboolean meta_frames_window_state_event      (GtkWidget           *widget,
+                                              GdkEventWindowState *event);
+
+
+static void meta_frames_calc_geometry (MetaFrames        *frames,
+                                       MetaFrameGeometry *fgeom);
+
+static MetaFrame* meta_frames_lookup_window (MetaFrames *frames,
+                                             Window      xwindow);
+
 static GtkWidgetClass *parent_class = NULL;
 static guint signals[LAST_SIGNAL];
 
@@ -56,6 +163,24 @@ meta_frames_get_type (void)
   return frames_type;
 }
 
+#define BORDER_PROPERTY (name, blurb, docs)                                        \
+  gtk_widget_class_install_style_property (widget_class,                           \
+					   g_param_spec_boxed (name,               \
+							       blurb,              \
+							       docs,               \
+							       GTK_TYPE_BORDER,    \
+							       G_PARAM_READABLE))
+
+#define INT_PROPERTY (name, default, blurb, docs)                               \
+  gtk_widget_class_install_style_property (widget_class,                        \
+					   g_param_spec_int (name,              \
+                                                             blurb,             \
+                                                             docs,              \
+							     0,                 \
+							     G_MAXINT,          \
+                                                             default,           \
+							     G_PARAM_READABLE))
+
 static void
 meta_frames_class_init (MetaFramesClass *class)
 {
@@ -73,53 +198,715 @@ meta_frames_class_init (MetaFramesClass *class)
   object_class->destroy = meta_frames_destroy;
 
   widget_class->style_set = meta_frames_style_set;
-  
-  gtk_widget_class_install_style_property (widget_class,
-					   g_param_spec_int ("slider_width",
-							     _("Slider Width"),
-							     _("Width of scrollbar or scale thumb"),
-							     0,
-							     G_MAXINT,
-							     14,
-							     G_PARAM_READABLE));
 
+  INT_PROPERTY ("left_width", 6, _("Left edge"), _("Left window edge width"));
+  INT_PROPERTY ("right_width", 6, _("Right edge"), _("Right window edge width"));
+  INT_PROPERTY ("bottom_height", 7, _("Bottom edge"), _("Bottom window edge height"));
+  
+  BORDER_PROPERTY ("title_border", _("Title border"), _("Border around title area"));
+  BORDER_PROPERTY ("text_border", _("Text border"), _("Border around window title text"));
+
+  INT_PROPERTY ("spacer_padding", 3, _("Spacer padding"), _("Padding on either side of spacer"));
+  INT_PROPERTY ("spacer_width", 2, _("Spacer width"), _("Width of spacer"));
+  INT_PROPERTY ("spacer_height", 10, _("Spacer height"), _("Height of spacer"));
+
+  /* same as right_width left_width by default */
+  INT_PROPERTY ("right_inset", 6, _("Right inset"), _("Distance of buttons from right edge of frame"));
+  INT_PROPERTY ("left_inset", 6, _("Left inset"), _("Distance of menu button from left edge of frame"));
+  
+  INT_PROPERTY ("button_width", 14, _("Button width"), _("Width of buttons"));
+  INT_PROPERTY ("button_height", 14, _("Button height"), _("Height of buttons"));
+
+  BORDER_PROPERTY ("button_border", _("Button border"), _("Border around buttons"));
+  BORDER_PROPERTY ("inner_button_border", _("Inner button border"), _("Border around the icon inside buttons"));
+}
+
+static gint
+unsigned_long_equal (gconstpointer v1,
+                     gconstpointer v2)
+{
+  return *((const gulong*) v1) == *((const gulong*) v2);
+}
+
+static guint
+unsigned_long_hash (gconstpointer v)
+{
+  gulong val = * (const gulong *) v;
+
+  /* I'm not sure this works so well. */
+#if G_SIZEOF_LONG > 4
+  return (guint) (val ^ (val >> 32));
+#else
+  return val;
+#endif
 }
 
 static void
 meta_frames_init (MetaFrames *frames)
 {
   GTK_WINDOW (frames)->type = GTK_WINDOW_POPUP;
+
+  frames->props = g_new0 (MetaFrameProperties, 1);
+
+  frames->frames = g_hash_table_new (unsigned_long_hash, unsigned_long_equal);
 }
 
 static void
 meta_frames_destroy (GtkObject *object)
 {
 
+  GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
 
+static void
+listify_func (gpointer key, gpointer value, gpointer data)
+{
+  GSList **listp;
+
+  listp = data;
+  *listp = g_slist_prepend (*listp, value);
 }
 
 static void
 meta_frames_finalize (GObject *object)
 {
+  MetaFrames *frames;
+  GSList *winlist;
+  GSList *tmp;
+  
+  frames = META_FRAMES (object);
 
+  winlist = NULL;
+  g_hash_table_foreach (frames->frames,
+                        listify_func,
+                        &winlist);
 
+  /* Unmanage all frames */
+  tmp = winlist;
+  while (tmp != NULL)
+    {
+      MetaFrame *frame;
+
+      frame = tmp->data;
+
+      meta_frames_unmanage_window (frames, frame->xwindow);
+      
+      tmp = tmp->next;
+    }
+  g_slist_free (winlist);
+
+  g_assert (g_hash_table_size (frames->frames) == 0);
+  g_hash_table_destroy (frames->frames);
+  
+  g_free (frames->props);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+meta_frames_style_set  (GtkWidget *widget,
+                        GtkStyle  *prev_style)
+{
+  MetaFrames *frames;
+  /* left, right, top, bottom */
+  static GtkBorder default_title_border = { 3, 4, 4, 3 };
+  static GtkBorder default_text_border = { 2, 2, 2, 2 };
+  static GtkBorder default_button_border = { 1, 1, 1, 1 };
+  static GtkBorder default_inner_button_border = { 3, 3, 3, 3 };
+  GtkBorder *title_border;
+  GtkBorder *text_border;
+  GtkBorder *button_border;
+  GtkBorder *inner_button_border;
+  MetaFrameProperties props;
+
+  frames = META_FRAMES (widget);
+  
+  gtk_widget_style_get (widget,
+                        "left_width",
+                        &props.left_width,
+                        "right_width",
+                        &props.right_width,
+                        "bottom_height",
+                        &props.bottom_height,
+                        "title_border",
+                        &title_border,
+                        "text_border",
+                        &text_border,
+                        "spacer_padding",
+                        &props.spacer_padding,
+                        "spacer_width",
+                        &props.spacer_width,
+                        "spacer_height",
+                        &props.spacer_height,
+                        "right_inset",
+                        &props.right_inset,
+                        "left_inset",
+                        &props.left_inset,
+                        "button_width",
+                        &props.button_width,
+                        "button_height",
+                        &props.button_height,
+                        "button_border",
+                        &button_border,
+                        "inner_button_border",
+                        &inner_button_border,
+                        NULL);
+  
+  if (title_border)
+    props.title_border = *title_border;
+  else
+    props.title_border = default_title_border;
+
+  g_free (title_border);
+  
+  if (text_border)
+    props.text_border = *text_border;
+  else
+    props.text_border = default_text_border;
+
+  g_free (text_border);
+
+  if (button_border)
+    props.button_border = *button_border;
+  else
+    props.button_border = default_button_border;
+
+  g_free (button_border);
+
+  if (inner_button_border)
+    props.inner_button_border = *inner_button_border;
+  else
+    props.inner_button_border = default_inner_button_border;
+
+  g_free (inner_button_border);
+
+  *(frames->props) = props;
+
+  {
+    PangoFontMetrics metrics;
+    PangoFont *font;
+    gchar *lang;
+
+    font = pango_context_load_font (gtk_widget_get_pango_context (widget),
+                                    widget->style->font_desc);
+    lang = pango_context_get_lang (gtk_widget_get_pango_context (widget));
+    pango_font_get_metrics (font, lang, &metrics);
+    g_free (lang);
+    
+    g_object_unref (G_OBJECT (font));
+    
+    frames->text_height = metrics.ascent + metrics.descent;
+  }
+}
+
+static void
+meta_frames_calc_geometry (MetaFrames        *frames,
+                           MetaFrame         *frame,
+                           MetaFrameGeometry *fgeom)
+{
+  int x;
+  int button_y;
+  int title_right_edge;
+  gboolean shaded;
+  MetaFrameProperties props;
+  int buttons_height, title_height, spacer_height;
+  
+  props = *(frames->props);
+
+  buttons_height = props.button_height +
+    props.button_border.top + props.button_border.bottom;
+  title_height = frames->text_height +
+    props.text_border.top + props.text_border.bottom +
+    props.title_border.top + props.title_border.bottom;
+  spacer_height = props.spacer_height;
+  
+  fgeom->top_height = MAX (buttons_height, title_height);
+  fgeom->top_height = MAX (fgeom->top_height, spacer_height);
+
+  fgeom->left_width = props.left_width;
+  fgeom->right_width = props.right_width;
+
+  if (frame->flags & META_FRAME_SHADED)
+    fgeom->bottom_height = 0;
+  else
+    fgeom->bottom_height = props.bottom_height;
+
+  x = frame->width - fgeom->button_inset;
+
+  /* center buttons */
+  button_y = (fgeom->top_height -
+              (props.button_height + props.button_border.top + props.button_border.bottom)) / 2 + props.button_border.top;
+
+  if ((frame->flags & META_FRAME_ALLOWS_DELETE) &&
+      x >= 0)
+    {
+      fgeom->close_rect.x = x - props.button_border.right - props.button_width;
+      fgeom->close_rect.y = button_y;
+      fgeom->close_rect.width = props.button_width;
+      fgeom->close_rect.height = props.button_height;
+
+      x = fgeom->close_rect.x - props.button_border.left;
+    }
+  else
+    {
+      fgeom->close_rect.x = 0;
+      fgeom->close_rect.y = 0;
+      fgeom->close_rect.width = 0;
+      fgeom->close_rect.height = 0;
+    }
+
+  if ((frame->flags & META_FRAME_ALLOWS_MAXIMIZE) &&
+      x >= 0)
+    {
+      fgeom->max_rect.x = x - props.button_border.right - props.button_width;
+      fgeom->max_rect.y = button_y;
+      fgeom->max_rect.width = props.button_width;
+      fgeom->max_rect.height = props.button_height;
+
+      x = fgeom->max_rect.x - props.button_border.left;
+    }
+  else
+    {
+      fgeom->max_rect.x = 0;
+      fgeom->max_rect.y = 0;
+      fgeom->max_rect.width = 0;
+      fgeom->max_rect.height = 0;
+    }
+  
+  if ((frame->flags & META_FRAME_ALLOWS_MINIMIZE) &&
+      x >= 0)
+    {
+      fgeom->min_rect.x = x - props.button_border.right - props.button_width;
+      fgeom->min_rect.y = button_y;
+      fgeom->min_rect.width = props.button_width;
+      fgeom->min_rect.height = props.button_height;
+
+      x = fgeom->min_rect.x - props.button_border.left;
+    }
+  else
+    {
+      fgeom->min_rect.x = 0;
+      fgeom->min_rect.y = 0;
+      fgeom->min_rect.width = 0;
+      fgeom->min_rect.height = 0;
+    }
+
+  if ((fgeom->close_rect.width > 0 ||
+       fgeom->max_rect.width > 0 ||
+       fgeom->min_rect.width > 0) &&
+      x >= 0)
+    {
+      fgeom->spacer_rect.x = x - props.spacer_padding - props.spacer_width;
+      fgeom->spacer_rect.y = (fgeom->top_height - props.spacer_height) / 2;
+      fgeom->spacer_rect.width = props.spacer_width;
+      fgeom->spacer_rect.height = props.spacer_height;
+
+      x = fgeom->spacer_rect.x - props.spacer_padding;
+    }
+  else
+    {
+      fgeom->spacer_rect.x = 0;
+      fgeom->spacer_rect.y = 0;
+      fgeom->spacer_rect.width = 0;
+      fgeom->spacer_rect.height = 0;
+    }
+
+  title_right_edge = x - props.title_border.right;
+
+  /* Now x changes to be position from the left */
+  x = fgeom->left_inset;
+  
+  if ((frame->flags & META_FRAME_ALLOWS_MENU) &&
+      x < title_right_edge)
+    {
+      fgeom->menu_rect.x = x + props.button_border.left;
+      fgeom->menu_rect.y = button_y;
+      fgeom->menu_rect.width = props.button_width;
+      fgeom->menu_rect.height = props.button_height;
+
+      x = fgeom->menu_rect.x + fgeom->menu_rect.width + props.button_border.right;
+    }
+  else
+    {
+      fgeom->menu_rect.x = 0;
+      fgeom->menu_rect.y = 0;
+      fgeom->menu_rect.width = 0;
+      fgeom->menu_rect.height = 0;
+    }
+
+  /* If menu overlaps close button, then the menu wins since it
+   * lets you perform any operation including close
+   */
+  if (fgeom->close_rect.width > 0 &&
+      fgeom->close_rect.x < (fgeom->menu_rect.x + fgeom->menu_rect.height))
+    {
+      fgeom->close_rect.width = 0;
+      fgeom->close_rect.height = 0;
+    }
+  
+  /* We always fill as much vertical space as possible with title rect,
+   * rather than centering it like the buttons and spacer
+   */
+  fgeom->title_rect.x = x + props.title_border.left;
+  fgeom->title_rect.y = props.title_border.top;
+  fgeom->title_rect.width = title_right_edge - fgeom->title_rect.x;
+  fgeom->title_rect.height = frames->top_height - props.title_border.top - props.title_border.bottom;
+
+  /* Nuke title if it won't fit */
+  if (fgeom->title_rect.width < 0 ||
+      fgeom->title_rect.height < 0)
+    {
+      fgeom->title_rect.width = 0;
+      fgeom->title_rect.height = 0;
+    }
 }
 
 void
 meta_frames_manage_window (MetaFrames *frames,
-                           GdkWindow  *window)
+                           Window      xwindow)
 {
-  g_return_if_fail (GDK_IS_WINDOW (window));
+  MetaFrame *frame;
   
-  gdk_window_set_user_data (window, frames);
+  g_return_if_fail (GDK_IS_WINDOW (window));
 
-  gdk_window_set_events (window,
+  frame = g_new (MetaFrame, 1);
+
+  gdk_error_trap_push ();
+  
+  frame->window = gdk_window_foreign_new (xwindow);
+
+  if (frame->window == NULL)
+    {
+      gdk_error_trap_pop ();
+      meta_ui_warning ("Frame 0x%lx disappeared as we managed it\n", xwindow);
+      return;
+    }
+  
+  gdk_window_set_user_data (frame->window, frames);
+  
+  gdk_window_set_events (frame->window,
                          GDK_EXPOSURE_MASK |
                          GDK_POINTER_MOTION_MASK |
                          GDK_POINTER_MOTION_HINT_MASK |
                          GDK_BUTTON_PRESS_MASK |
                          GDK_BUTTON_RELEASE_MASK |
                          GDK_STRUCTURE_MASK);
+
+  gdk_drawable_get_size (GDK_DRAWABLE (frame->window),
+                         &frame->width, &frame->height);
+  
+  gdk_error_trap_pop ();
+
+  frame->xwindow = xwindow;
+  frame->layout = NULL;
+  frame->flags = 0;
+  
+  g_hash_table_insert (frames->frames, &frame->xwindow);
 }
 
+void
+meta_frames_unmanage_window (MetaFrames *frames,
+                             Window      xwindow)
+{
+  MetaFrame *frame;
+
+  frame = g_hash_table_lookup (frames->frames, &xwindow);
+
+  if (frame)
+    {
+      g_hash_table_remove (frames->frames, &frame->xwindow);
+      
+      g_object_unref (G_OBJECT (frame->window));
+
+      if (frame->layout)
+        g_object_unref (G_OBJECT (frame->layout));
+      
+      g_free (frame);
+    }
+  else
+    meta_ui_warning ("Frame 0x%lx not managed, can't unmanage\n", xwindow);
+}
+
+static MetaFrame*
+meta_frames_lookup_window (MetaFrames *frames,
+                           Window      xwindow)
+{
+  MetaFrame *frame;
+
+  frame = g_hash_table_lookup (frames->frames, &xwindow);
+
+  return frame;
+}
+
+gboolean
+meta_frames_button_press_event (GtkWidget      *widget,
+                                GdkEventButton *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_button_release_event    (GtkWidget           *widget,
+                                     GdkEventButton      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_motion_notify_event     (GtkWidget           *widget,
+                                     GdkEventMotion      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_destroy_event           (GtkWidget           *widget,
+                                     GdkEventAny         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_expose_event            (GtkWidget           *widget,
+                                     GdkEventExpose      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_key_press_event         (GtkWidget           *widget,
+                                     GdkEventKey         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_key_release_event       (GtkWidget           *widget,
+                                     GdkEventKey         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_enter_notify_event      (GtkWidget           *widget,
+                                     GdkEventCrossing    *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_leave_notify_event      (GtkWidget           *widget,
+                                     GdkEventCrossing    *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_configure_event         (GtkWidget           *widget,
+                                     GdkEventConfigure   *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_focus_in_event          (GtkWidget           *widget,
+                                     GdkEventFocus       *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_focus_out_event         (GtkWidget           *widget,
+                                     GdkEventFocus       *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_map_event               (GtkWidget           *widget,
+                                     GdkEventAny         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_unmap_event             (GtkWidget           *widget,
+                                     GdkEventAny         *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_property_notify_event   (GtkWidget           *widget,
+                                     GdkEventProperty    *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_client_event            (GtkWidget           *widget,
+                                     GdkEventClient      *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+meta_frames_window_state_event      (GtkWidget           *widget,
+                                     GdkEventWindowState *event)
+{
+  MetaFrame *frame;
+  MetaFrames *frames;
+
+  frames = META_FRAMES (widget);
+
+  frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
+  if (frame == NULL)
+    return FALSE;
+
+  return TRUE;
+}
 

src/uislave/frames.h

@@ -23,6 +23,8 @@
 #define META_FRAMES_H
 
 #include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+#include "messages.h"
 
 /* This is one widget that manages all the window frames
  * as subwindows.
@@ -38,10 +40,19 @@
 typedef struct _MetaFrames        MetaFrames;
 typedef struct _MetaFramesClass   MetaFramesClass;
 
+typedef struct _MetaFrame           MetaFrame;
+typedef struct _MetaFrameProperties MetaFrameProperties;
+
 struct _MetaFrames
 {
   GtkWindow parent_instance;
 
+  /* If we did a widget per frame, we wouldn't want to cache this. */
+  MetaFrameProperties *props;
+
+  int text_height;
+
+  GHashTable *frames;
 };
 
 struct _MetaFramesClass
@@ -55,6 +66,12 @@ GType        meta_frames_get_type               (void) G_GNUC_CONST;
 MetaFrames *meta_frames_new (void);
 
 void meta_frames_manage_window (MetaFrames *frames,
-                                GdkWindow  *window);
+                                Window      xwindow);
+void meta_frames_unmanage_window (MetaFrames *frames,
+                                  Window      xwindow);
+
+void meta_frames_set_title (MetaFrames *frames,
+                            Window      xwindow,
+                            const char *title);
 
 #endif

src/uislave/messages.h

@@ -24,6 +24,43 @@
 
 #include <glib.h>
 
+/* General shared types */
+
+typedef enum
+{
+  META_FRAME_ALLOWS_DELETE    = 1 << 0,
+  META_FRAME_ALLOWS_MENU      = 1 << 1,
+  META_FRAME_ALLOWS_MINIMIZE  = 1 << 2,
+  META_FRAME_ALLOWS_MAXIMIZE  = 1 << 3, 
+  META_FRAME_ALLOWS_RESIZE    = 1 << 4,
+  META_FRAME_TRANSIENT        = 1 << 5,
+  META_FRAME_HAS_FOCUS        = 1 << 6,
+  META_FRAME_SHADED           = 1 << 7,
+  META_FRAME_STUCK            = 1 << 8
+} MetaFrameFlags;
+
+typedef enum
+{
+  META_FRAME_CONTROL_NONE,
+  META_FRAME_CONTROL_TITLE,
+  META_FRAME_CONTROL_DELETE,
+  META_FRAME_CONTROL_MENU,
+  META_FRAME_CONTROL_MINIMIZE,
+  META_FRAME_CONTROL_MAXIMIZE,
+  META_FRAME_CONTROL_RESIZE_SE,
+  META_FRAME_CONTROL_RESIZE_S,
+  META_FRAME_CONTROL_RESIZE_SW,
+  META_FRAME_CONTROL_RESIZE_N,
+  META_FRAME_CONTROL_RESIZE_NE,
+  META_FRAME_CONTROL_RESIZE_NW,
+  META_FRAME_CONTROL_RESIZE_W,
+  META_FRAME_CONTROL_RESIZE_E
+} MetaFrameControl;
+
+
+
+/* Now the IPC mess */
+
 /* This thing badly violates the KISS principle. */
 
 /* This header is shared between the WM and the UI slave */