Replace contents with redirect messagemaster

The default development branch is now `main`. This commit only exists
on `master` to point people towards that.

See https://gitlab.gnome.org/GNOME/glib/-/issues/2348 for details.

1 files changed, 0 insertions, 1397 deletions

diff --git a/src/ui/theme.c b/src/ui/theme.c
deleted file mode 100644
index a4c8a0de2..000000000
--- a/src/ui/theme.c
+++ /dev/null
@@ -1,1397 +0,0 @@
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-
-/*
- * Copyright (C) 2001 Havoc Pennington
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-
-#include "ui/theme-private.h"
-
-#include <gtk/gtk.h>
-#include <math.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "core/util-private.h"
-#include "meta/prefs.h"
-#include "ui/frames.h"
-
-static void scale_border (GtkBorder *border, double factor);
-
-static MetaFrameLayout *
-meta_frame_layout_new  (void)
-{
-  MetaFrameLayout *layout;
-
-  layout = g_new0 (MetaFrameLayout, 1);
-
-  /* Spacing as hardcoded in GTK+:
-   * https://git.gnome.org/browse/gtk+/tree/gtk/gtkheaderbar.c?h=gtk-3-14#n53
-   */
-  layout->titlebar_spacing = 6;
-  layout->has_title = TRUE;
-  layout->title_scale = PANGO_SCALE_MEDIUM;
-  layout->icon_size = META_MINI_ICON_WIDTH;
-
-  return layout;
-}
-
-static void
-meta_frame_layout_free (MetaFrameLayout *layout)
-{
-  g_return_if_fail (layout != NULL);
-
-  g_free (layout);
-}
-
-static void
-meta_frame_layout_get_borders (const MetaFrameLayout *layout,
-                               int                    text_height,
-                               MetaFrameFlags         flags,
-                               MetaFrameType          type,
-                               MetaFrameBorders      *borders)
-{
-  int buttons_height, content_height, draggable_borders;
-  int scale = meta_theme_get_window_scaling_factor ();
-
-  meta_frame_borders_clear (borders);
-
-  /* For a full-screen window, we don't have any borders, visible or not. */
-  if (flags & META_FRAME_FULLSCREEN)
-    return;
-
-  g_return_if_fail (layout != NULL);
-
-  if (!layout->has_title)
-    text_height = 0;
-  else
-    text_height = layout->title_margin.top + text_height + layout->title_margin.bottom;
-
-  buttons_height = MAX ((int)layout->icon_size, layout->button_min_size.height) +
-    layout->button_margin.top + layout->button_border.top +
-    layout->button_margin.bottom + layout->button_border.bottom;
-  content_height = MAX (buttons_height, text_height);
-  content_height = MAX (content_height, layout->titlebar_min_size.height) +
-                   layout->titlebar_border.top + layout->titlebar_border.bottom;
-
-  borders->visible.top    = layout->frame_border.top + content_height;
-  borders->visible.left   = layout->frame_border.left;
-  borders->visible.right  = layout->frame_border.right;
-  borders->visible.bottom = layout->frame_border.bottom;
-
-  borders->invisible = layout->invisible_border;
-
-  draggable_borders = meta_prefs_get_draggable_border_width ();
-
-  if (flags & META_FRAME_ALLOWS_HORIZONTAL_RESIZE)
-    {
-      borders->invisible.left   = MAX (borders->invisible.left,
-                                       draggable_borders - borders->visible.left);
-      borders->invisible.right  = MAX (borders->invisible.right,
-                                       draggable_borders - borders->visible.right);
-    }
-
-  if (flags & META_FRAME_ALLOWS_VERTICAL_RESIZE)
-    {
-      borders->invisible.bottom = MAX (borders->invisible.bottom,
-                                       draggable_borders - borders->visible.bottom);
-
-      /* borders.visible.top is the height of the *title bar*. We can't do the same
-       * algorithm here, titlebars are expectedly much bigger. Just subtract a couple
-       * pixels to get a proper feel. */
-      if (type != META_FRAME_TYPE_ATTACHED)
-        borders->invisible.top    = MAX (borders->invisible.top, draggable_borders - 2);
-    }
-
-  borders->total.left   = borders->invisible.left   + borders->visible.left;
-  borders->total.right  = borders->invisible.right  + borders->visible.right;
-  borders->total.bottom = borders->invisible.bottom + borders->visible.bottom;
-  borders->total.top    = borders->invisible.top    + borders->visible.top;
-
-  /* Scale geometry for HiDPI, see comment in meta_frame_layout_draw_with_style() */
-  scale_border (&borders->visible, scale);
-  scale_border (&borders->invisible, scale);
-  scale_border (&borders->total, scale);
-}
-
-int
-meta_theme_get_window_scaling_factor (void)
-{
-  GdkScreen *screen;
-  GValue value = G_VALUE_INIT;
-
-  g_value_init (&value, G_TYPE_INT);
-
-  screen = gdk_screen_get_default ();
-  if (gdk_screen_get_setting (screen, "gdk-window-scaling-factor", &value))
-    return g_value_get_int (&value);
-  else
-    return 1;
-}
-
-void
-meta_frame_layout_apply_scale (const MetaFrameLayout *layout,
-                               PangoFontDescription  *font_desc)
-{
-  int size = pango_font_description_get_size (font_desc);
-  double scale = layout->title_scale / meta_theme_get_window_scaling_factor ();
-  pango_font_description_set_size (font_desc, MAX (size * scale, 1));
-}
-
-static MetaButtonSpace*
-rect_for_function (MetaFrameGeometry *fgeom,
-                   MetaFrameFlags     flags,
-                   MetaButtonFunction function,
-                   MetaTheme         *theme)
-{
-  switch (function)
-    {
-    case META_BUTTON_FUNCTION_MENU:
-      if (flags & META_FRAME_ALLOWS_MENU)
-        return &fgeom->menu_rect;
-      else
-        return NULL;
-    case META_BUTTON_FUNCTION_MINIMIZE:
-      if (flags & META_FRAME_ALLOWS_MINIMIZE)
-        return &fgeom->min_rect;
-      else
-        return NULL;
-    case META_BUTTON_FUNCTION_MAXIMIZE:
-      if (flags & META_FRAME_ALLOWS_MAXIMIZE)
-        return &fgeom->max_rect;
-      else
-        return NULL;
-    case META_BUTTON_FUNCTION_CLOSE:
-      if (flags & META_FRAME_ALLOWS_DELETE)
-        return &fgeom->close_rect;
-      else
-        return NULL;
-
-    case META_BUTTON_FUNCTION_LAST:
-      return NULL;
-    }
-
-  return NULL;
-}
-
-static gboolean
-strip_button (MetaButtonSpace *func_rects[MAX_BUTTONS_PER_CORNER],
-              int             *n_rects,
-              MetaButtonSpace *to_strip)
-{
-  int i;
-
-  i = 0;
-  while (i < *n_rects)
-    {
-      if (func_rects[i] == to_strip)
-        {
-          *n_rects -= 1;
-
-          /* shift the other rects back in the array */
-          while (i < *n_rects)
-            {
-              func_rects[i] = func_rects[i+1];
-
-              ++i;
-            }
-
-          func_rects[i] = NULL;
-
-          return TRUE;
-        }
-
-      ++i;
-    }
-
-  return FALSE; /* did not strip anything */
-}
-
-static void
-get_padding_and_border (GtkStyleContext *style,
-                        GtkBorder       *border)
-{
-  GtkBorder tmp;
-  GtkStateFlags state = gtk_style_context_get_state (style);
-
-  gtk_style_context_get_border (style, state, border);
-  gtk_style_context_get_padding (style, state, &tmp);
-
-  border->left += tmp.left;
-  border->top += tmp.top;
-  border->right += tmp.right;
-  border->bottom += tmp.bottom;
-}
-
-static void
-get_min_size (GtkStyleContext *style,
-              GtkRequisition  *requisition)
-{
-  gtk_style_context_get (style, gtk_style_context_get_state (style),
-                         "min-width", &requisition->width,
-                         "min-height", &requisition->height,
-                         NULL);
-}
-
-static void
-scale_border (GtkBorder *border,
-              double     factor)
-{
-  border->left *= factor;
-  border->right *= factor;
-  border->top *= factor;
-  border->bottom *= factor;
-}
-
-static void
-meta_frame_layout_sync_with_style (MetaFrameLayout *layout,
-                                   MetaStyleInfo   *style_info,
-                                   MetaFrameFlags   flags)
-{
-  GtkStyleContext *style;
-  GtkBorder border;
-  GtkRequisition requisition;
-  GdkRectangle clip_rect;
-  int border_radius, max_radius;
-
-  meta_style_info_set_flags (style_info, flags);
-
-  style = style_info->styles[META_STYLE_ELEMENT_FRAME];
-  get_padding_and_border (style, &layout->frame_border);
-  scale_border (&layout->frame_border, layout->title_scale);
-
-  gtk_render_background_get_clip (style, 0, 0, 0, 0, &clip_rect);
-  layout->invisible_border.left = -clip_rect.x;
-  layout->invisible_border.right = clip_rect.width + clip_rect.x;
-  layout->invisible_border.top = -clip_rect.y;
-  layout->invisible_border.bottom = clip_rect.height + clip_rect.y;
-
-  if (layout->hide_buttons)
-    layout->icon_size = 0;
-
-  if (!layout->has_title && layout->hide_buttons)
-    return; /* border-only - be done */
-
-  style = style_info->styles[META_STYLE_ELEMENT_TITLEBAR];
-  gtk_style_context_get (style, gtk_style_context_get_state (style),
-                         "border-radius", &border_radius,
-                         NULL);
-  /* GTK+ currently does not allow us to look up radii of individual
-   * corners; however we don't clip the client area, so with the
-   * current trend of using small/no visible frame borders, most
-   * themes should work fine with this.
-   */
-  layout->top_left_corner_rounded_radius = border_radius;
-  layout->top_right_corner_rounded_radius = border_radius;
-  max_radius = MIN (layout->frame_border.bottom, layout->frame_border.left);
-  layout->bottom_left_corner_rounded_radius = MAX (border_radius, max_radius);
-  max_radius = MIN (layout->frame_border.bottom, layout->frame_border.right);
-  layout->bottom_right_corner_rounded_radius = MAX (border_radius, max_radius);
-
-  get_min_size (style, &layout->titlebar_min_size);
-  get_padding_and_border (style, &layout->titlebar_border);
-  scale_border (&layout->titlebar_border, layout->title_scale);
-
-  style = style_info->styles[META_STYLE_ELEMENT_TITLE];
-  gtk_style_context_get_margin (style, gtk_style_context_get_state (style),
-                                &layout->title_margin);
-  scale_border (&layout->title_margin, layout->title_scale);
-
-  style = style_info->styles[META_STYLE_ELEMENT_BUTTON];
-  get_min_size (style, &layout->button_min_size);
-  get_padding_and_border (style, &layout->button_border);
-  scale_border (&layout->button_border, layout->title_scale);
-  gtk_style_context_get_margin (style, gtk_style_context_get_state (style),
-                                &layout->button_margin);
-  scale_border (&layout->button_margin, layout->title_scale);
-
-  style = style_info->styles[META_STYLE_ELEMENT_IMAGE];
-  get_min_size (style, &requisition);
-  get_padding_and_border (style, &border);
-  scale_border (&border, layout->title_scale);
-
-  layout->button_border.left += border.left;
-  layout->button_border.right += border.right;
-  layout->button_border.top += border.top;
-  layout->button_border.bottom += border.bottom;
-
-  gtk_style_context_get_margin (style, gtk_style_context_get_state (style),
-                                &border);
-  layout->button_border.left += border.left;
-  layout->button_border.right += border.right;
-  layout->button_border.top += border.top;
-  layout->button_border.bottom += border.bottom;
-
-  layout->button_min_size.width = MAX(layout->button_min_size.width,
-                                      requisition.width);
-  layout->button_min_size.height = MAX(layout->button_min_size.height,
-                                       requisition.height);
-}
-
-static void
-meta_frame_layout_calc_geometry (MetaFrameLayout        *layout,
-                                 MetaStyleInfo          *style_info,
-                                 int                     text_height,
-                                 MetaFrameFlags          flags,
-                                 int                     client_width,
-                                 int                     client_height,
-                                 const MetaButtonLayout *button_layout,
-                                 MetaFrameType           type,
-                                 MetaFrameGeometry      *fgeom,
-                                 MetaTheme              *theme)
-{
-  int i, n_left, n_right, n_left_spacers, n_right_spacers;
-  int x;
-  int button_y;
-  int title_right_edge;
-  int width, height;
-  int content_width, content_height;
-  int button_width, button_height;
-  int min_size_for_rounding;
-  int scale = meta_theme_get_window_scaling_factor ();
-
-  /* the left/right rects in order; the max # of rects
-   * is the number of button functions
-   */
-  MetaButtonSpace *left_func_rects[MAX_BUTTONS_PER_CORNER];
-  MetaButtonSpace *right_func_rects[MAX_BUTTONS_PER_CORNER];
-  gboolean left_buttons_has_spacer[MAX_BUTTONS_PER_CORNER];
-  gboolean right_buttons_has_spacer[MAX_BUTTONS_PER_CORNER];
-
-  MetaFrameBorders borders;
-
-  meta_frame_layout_sync_with_style (layout, style_info, flags);
-
-  meta_frame_layout_get_borders (layout, text_height,
-                                 flags, type,
-                                 &borders);
-
-  fgeom->borders = borders;
-
-  /* Scale geometry for HiDPI, see comment in meta_frame_layout_draw_with_style() */
-  fgeom->content_border = layout->frame_border;
-  fgeom->content_border.left   += layout->titlebar_border.left * scale;
-  fgeom->content_border.right  += layout->titlebar_border.right * scale;
-  fgeom->content_border.top    += layout->titlebar_border.top * scale;
-  fgeom->content_border.bottom += layout->titlebar_border.bottom * scale;
-
-  width = client_width + borders.total.left + borders.total.right;
-
-  height = borders.total.top + borders.total.bottom;
-  if (!(flags & META_FRAME_SHADED))
-    height += client_height;
-
-  fgeom->width = width;
-  fgeom->height = height;
-
-  content_width = width -
-                  (fgeom->content_border.left + borders.invisible.left) -
-                  (fgeom->content_border.right + borders.invisible.right);
-  content_height = borders.visible.top - fgeom->content_border.top - fgeom->content_border.bottom;
-
-  button_width = MAX ((int)layout->icon_size, layout->button_min_size.width) +
-                 layout->button_border.left + layout->button_border.right;
-  button_height = MAX ((int)layout->icon_size, layout->button_min_size.height) +
-                  layout->button_border.top + layout->button_border.bottom;
-  button_width *= scale;
-  button_height *= scale;
-
-  /* FIXME all this code sort of pretends that duplicate buttons
-   * with the same function are allowed, but that breaks the
-   * code in frames.c, so isn't really allowed right now.
-   * Would need left_close_rect, right_close_rect, etc.
-   */
-
-  /* Init all button rects to 0, lame hack */
-  memset (ADDRESS_OF_BUTTON_RECTS (fgeom), '\0',
-          LENGTH_OF_BUTTON_RECTS);
-
-  n_left = 0;
-  n_right = 0;
-  n_left_spacers = 0;
-  n_right_spacers = 0;
-
-  if (!layout->hide_buttons)
-    {
-      /* Try to fill in rects */
-      for (i = 0; i < MAX_BUTTONS_PER_CORNER && button_layout->left_buttons[i] != META_BUTTON_FUNCTION_LAST; i++)
-        {
-          left_func_rects[n_left] = rect_for_function (fgeom, flags,
-                                                       button_layout->left_buttons[i],
-                                                       theme);
-          if (left_func_rects[n_left] != NULL)
-            {
-              left_buttons_has_spacer[n_left] = button_layout->left_buttons_has_spacer[i];
-              if (button_layout->left_buttons_has_spacer[i])
-                ++n_left_spacers;
-
-              ++n_left;
-            }
-        }
-
-      for (i = 0; i < MAX_BUTTONS_PER_CORNER && button_layout->right_buttons[i] != META_BUTTON_FUNCTION_LAST; i++)
-        {
-          right_func_rects[n_right] = rect_for_function (fgeom, flags,
-                                                         button_layout->right_buttons[i],
-                                                         theme);
-          if (right_func_rects[n_right] != NULL)
-            {
-              right_buttons_has_spacer[n_right] = button_layout->right_buttons_has_spacer[i];
-              if (button_layout->right_buttons_has_spacer[i])
-                ++n_right_spacers;
-
-              ++n_right;
-            }
-        }
-    }
-
-  /* Be sure buttons fit */
-  while (n_left > 0 || n_right > 0)
-    {
-      int space_used_by_buttons;
-
-      space_used_by_buttons = 0;
-
-      space_used_by_buttons += layout->button_margin.left * scale * n_left;
-      space_used_by_buttons += button_width * n_left;
-      space_used_by_buttons += layout->button_margin.right * scale * n_left;
-      space_used_by_buttons += (button_width * 0.75) * n_left_spacers;
-      space_used_by_buttons += layout->titlebar_spacing * scale * MAX (n_left - 1, 0);
-
-      space_used_by_buttons += layout->button_margin.left * scale * n_right;
-      space_used_by_buttons += button_width * n_right;
-      space_used_by_buttons += layout->button_margin.right * scale * n_right;
-      space_used_by_buttons += (button_width * 0.75) * n_right_spacers;
-      space_used_by_buttons += layout->titlebar_spacing * scale * MAX (n_right - 1, 0);
-
-      if (space_used_by_buttons <= content_width)
-        break; /* Everything fits, bail out */
-
-      /* First try to remove separators */
-      if (n_left_spacers > 0)
-        {
-          left_buttons_has_spacer[--n_left_spacers] = FALSE;
-          continue;
-        }
-      else if (n_right_spacers > 0)
-        {
-          right_buttons_has_spacer[--n_right_spacers] = FALSE;
-          continue;
-        }
-
-      /* Otherwise we need to shave out a button. Shave
-       * min, max, close, then menu (menu is most useful);
-       * prefer the default button locations.
-       */
-      if (strip_button (left_func_rects, &n_left, &fgeom->min_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->min_rect))
-        continue;
-      else if (strip_button (left_func_rects, &n_left, &fgeom->max_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->max_rect))
-        continue;
-      else if (strip_button (left_func_rects, &n_left, &fgeom->close_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->close_rect))
-        continue;
-      else if (strip_button (right_func_rects, &n_right, &fgeom->menu_rect))
-        continue;
-      else if (strip_button (left_func_rects, &n_left, &fgeom->menu_rect))
-        continue;
-      else
-        {
-          meta_bug ("Could not find a button to strip. n_left = %d n_right = %d",
-                    n_left, n_right);
-        }
-    }
-
-  /* Save the button layout */
-  fgeom->button_layout = *button_layout;
-  fgeom->n_left_buttons = n_left;
-  fgeom->n_right_buttons = n_right;
-
-  /* center buttons vertically */
-  button_y = fgeom->content_border.top + borders.invisible.top +
-             (content_height - button_height) / 2;
-
-  /* right edge of farthest-right button */
-  x = width - fgeom->content_border.right - borders.invisible.right;
-
-  i = n_right - 1;
-  while (i >= 0)
-    {
-      MetaButtonSpace *rect;
-
-      if (x < 0) /* if we go negative, leave the buttons we don't get to as 0-width */
-        break;
-
-      x -= layout->button_margin.right * scale;
-
-      rect = right_func_rects[i];
-      rect->visible.x = x - button_width;
-      if (right_buttons_has_spacer[i])
-        rect->visible.x -= (button_width * 0.75);
-
-      rect->visible.y = button_y;
-      rect->visible.width = button_width;
-      rect->visible.height = button_height;
-
-      if (flags & META_FRAME_MAXIMIZED ||
-          flags & META_FRAME_TILED_LEFT ||
-          flags & META_FRAME_TILED_RIGHT)
-        {
-          rect->clickable.x = rect->visible.x;
-          rect->clickable.y = 0;
-          rect->clickable.width = rect->visible.width;
-          rect->clickable.height = button_height + button_y;
-
-          if (i == n_right - 1)
-            rect->clickable.width += fgeom->content_border.right;
-
-        }
-      else
-        memmove (&(rect->clickable), &(rect->visible), sizeof (rect->clickable));
-
-      x = rect->visible.x - layout->button_margin.left * scale;
-
-      if (i > 0)
-        x -= layout->titlebar_spacing * scale;
-
-      --i;
-    }
-
-  /* save right edge of titlebar for later use */
-  title_right_edge = x;
-
-  /* Now x changes to be position from the left and we go through
-   * the left-side buttons
-   */
-  x = fgeom->content_border.left + borders.invisible.left;
-  for (i = 0; i < n_left; i++)
-    {
-      MetaButtonSpace *rect;
-
-      x += layout->button_margin.left * scale;
-
-      rect = left_func_rects[i];
-
-      rect->visible.x = x;
-      rect->visible.y = button_y;
-      rect->visible.width = button_width;
-      rect->visible.height = button_height;
-
-      if (flags & META_FRAME_MAXIMIZED)
-        {
-          if (i==0)
-            {
-              rect->clickable.x = 0;
-              rect->clickable.width = button_width + x;
-            }
-          else
-            {
-              rect->clickable.x = rect->visible.x;
-              rect->clickable.width = button_width;
-            }
-
-          rect->clickable.y = 0;
-          rect->clickable.height = button_height + button_y;
-        }
-      else
-        memmove (&(rect->clickable), &(rect->visible), sizeof (rect->clickable));
-
-      x = rect->visible.x + rect->visible.width + layout->button_margin.right * scale;
-      if (i < n_left - 1)
-        x += layout->titlebar_spacing * scale;
-      if (left_buttons_has_spacer[i])
-        x += (button_width * 0.75);
-    }
-
-  /* Center vertically in the available content area */
-  fgeom->title_rect.x = x;
-  fgeom->title_rect.y = fgeom->content_border.top + borders.invisible.top +
-                        (content_height - text_height) / 2;
-  fgeom->title_rect.width = title_right_edge - fgeom->title_rect.x;
-  fgeom->title_rect.height = text_height;
-
-  /* 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;
-    }
-
-  if (flags & META_FRAME_SHADED)
-    min_size_for_rounding = 0;
-  else
-    min_size_for_rounding = 5 * scale;
-
-  fgeom->top_left_corner_rounded_radius = 0;
-  fgeom->top_right_corner_rounded_radius = 0;
-  fgeom->bottom_left_corner_rounded_radius = 0;
-  fgeom->bottom_right_corner_rounded_radius = 0;
-
-  if (borders.visible.top + borders.visible.left >= min_size_for_rounding)
-    fgeom->top_left_corner_rounded_radius = layout->top_left_corner_rounded_radius * scale;
-  if (borders.visible.top + borders.visible.right >= min_size_for_rounding)
-    fgeom->top_right_corner_rounded_radius = layout->top_right_corner_rounded_radius * scale;
-
-  if (borders.visible.bottom + borders.visible.left >= min_size_for_rounding)
-    fgeom->bottom_left_corner_rounded_radius = layout->bottom_left_corner_rounded_radius * scale;
-  if (borders.visible.bottom + borders.visible.right >= min_size_for_rounding)
-    fgeom->bottom_right_corner_rounded_radius = layout->bottom_right_corner_rounded_radius * scale;
-}
-
-static void
-get_button_rect (MetaButtonType           type,
-                 const MetaFrameGeometry *fgeom,
-                 GdkRectangle            *rect)
-{
-  switch (type)
-    {
-    case META_BUTTON_TYPE_CLOSE:
-      *rect = fgeom->close_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_MAXIMIZE:
-      *rect = fgeom->max_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_MINIMIZE:
-      *rect = fgeom->min_rect.visible;
-      break;
-
-    case META_BUTTON_TYPE_MENU:
-      *rect = fgeom->menu_rect.visible;
-      break;
-
-    default:
-    case META_BUTTON_TYPE_LAST:
-      g_assert_not_reached ();
-      break;
-    }
-}
-
-static const char *
-get_class_from_button_type (MetaButtonType type)
-{
-  switch (type)
-    {
-    case META_BUTTON_TYPE_CLOSE:
-      return "close";
-    case META_BUTTON_TYPE_MAXIMIZE:
-      return "maximize";
-    case META_BUTTON_TYPE_MINIMIZE:
-      return "minimize";
-    default:
-      return NULL;
-    }
-}
-
-static void
-meta_frame_layout_draw_with_style (MetaFrameLayout         *layout,
-                                   MetaStyleInfo           *style_info,
-                                   cairo_t                 *cr,
-                                   const MetaFrameGeometry *fgeom,
-                                   PangoLayout             *title_layout,
-                                   MetaFrameFlags           flags,
-                                   MetaButtonState          button_states[META_BUTTON_TYPE_LAST],
-                                   cairo_surface_t         *mini_icon)
-{
-  GtkStyleContext *style;
-  GtkStateFlags state;
-  MetaButtonType button_type;
-  GdkRectangle visible_rect;
-  GdkRectangle titlebar_rect;
-  GdkRectangle button_rect;
-  const MetaFrameBorders *borders;
-  cairo_surface_t *frame_surface;
-  double xscale, yscale;
-  int scale;
-
-  /* We opt out of GTK+/Clutter's HiDPI handling, so we have to do the scaling
-   * ourselves; the nitty-gritty is a bit confusing, so here is an overview:
-   *  - the values in MetaFrameLayout are always as they appear in the theme,
-   *    i.e. unscaled
-   *  - calculated values (borders, MetaFrameGeometry) include the scale - as
-   *    the geometry is comprised of scaled decorations and the client size
-   *    which we must not scale, we don't have another option
-   *  - for drawing, we scale the canvas to have GTK+ render elements (borders,
-   *    radii, ...) at the correct scale - as a result, we have to "unscale"
-   *    the geometry again to not apply the scaling twice
-   *  - As per commit e36b629c GTK expects the device scale to be set and match
-   *    the final scaling or the surface caching won't take this in account
-   *    breaking -gtk-scaled items.
-   */
-  scale = meta_theme_get_window_scaling_factor ();
-  frame_surface = cairo_get_target (cr);
-  cairo_surface_get_device_scale (frame_surface, &xscale, &yscale);
-  cairo_surface_set_device_scale (frame_surface, scale, scale);
-
-  borders = &fgeom->borders;
-
-  visible_rect.x = borders->invisible.left / scale;
-  visible_rect.y = borders->invisible.top / scale;
-  visible_rect.width = (fgeom->width - borders->invisible.left - borders->invisible.right) / scale;
-  visible_rect.height = (fgeom->height - borders->invisible.top - borders->invisible.bottom) / scale;
-
-  meta_style_info_set_flags (style_info, flags);
-
-  style = style_info->styles[META_STYLE_ELEMENT_FRAME];
-  gtk_render_background (style, cr,
-                         visible_rect.x, visible_rect.y,
-                         visible_rect.width, visible_rect.height);
-  gtk_render_frame (style, cr,
-                    visible_rect.x, visible_rect.y,
-                    visible_rect.width, visible_rect.height);
-
-  titlebar_rect.x = visible_rect.x;
-  titlebar_rect.y = visible_rect.y;
-  titlebar_rect.width = visible_rect.width;
-  titlebar_rect.height = borders->visible.top / scale;
-
-  style = style_info->styles[META_STYLE_ELEMENT_TITLEBAR];
-  gtk_render_background (style, cr,
-                         titlebar_rect.x, titlebar_rect.y,
-                         titlebar_rect.width, titlebar_rect.height);
-  gtk_render_frame (style, cr,
-                    titlebar_rect.x, titlebar_rect.y,
-                    titlebar_rect.width, titlebar_rect.height);
-
-  if (layout->has_title && title_layout)
-    {
-      PangoRectangle logical;
-      int text_width, x, y;
-
-      pango_layout_set_width (title_layout, -1);
-      pango_layout_get_pixel_extents (title_layout, NULL, &logical);
-
-      text_width = MIN(fgeom->title_rect.width / scale, logical.width);
-
-      if (text_width < logical.width)
-        pango_layout_set_width (title_layout, PANGO_SCALE * text_width);
-
-      /* Center within the frame if possible */
-      x = titlebar_rect.x + (titlebar_rect.width - text_width) / 2;
-      y = titlebar_rect.y + (titlebar_rect.height - logical.height) / 2;
-
-      if (x < fgeom->title_rect.x / scale)
-        x = fgeom->title_rect.x / scale;
-      else if (x + text_width > (fgeom->title_rect.x + fgeom->title_rect.width) / scale)
-        x = (fgeom->title_rect.x + fgeom->title_rect.width) / scale - text_width;
-
-      style = style_info->styles[META_STYLE_ELEMENT_TITLE];
-      gtk_render_layout (style, cr, x, y, title_layout);
-    }
-
-  style = style_info->styles[META_STYLE_ELEMENT_BUTTON];
-  state = gtk_style_context_get_state (style);
-  for (button_type = META_BUTTON_TYPE_CLOSE; button_type < META_BUTTON_TYPE_LAST; button_type++)
-    {
-      const char *button_class = get_class_from_button_type (button_type);
-      if (button_class)
-        gtk_style_context_add_class (style, button_class);
-
-      get_button_rect (button_type, fgeom, &button_rect);
-
-      button_rect.x /= scale;
-      button_rect.y /= scale;
-      button_rect.width /= scale;
-      button_rect.height /= scale;
-
-      if (button_states[button_type] == META_BUTTON_STATE_PRELIGHT)
-        gtk_style_context_set_state (style, state | GTK_STATE_PRELIGHT);
-      else if (button_states[button_type] == META_BUTTON_STATE_PRESSED)
-        gtk_style_context_set_state (style, state | GTK_STATE_ACTIVE);
-      else
-        gtk_style_context_set_state (style, state);
-
-      cairo_save (cr);
-
-      if (button_rect.width > 0 && button_rect.height > 0)
-        {
-          cairo_surface_t *surface = NULL;
-          const char *icon_name = NULL;
-
-          gtk_render_background (style, cr,
-                                 button_rect.x, button_rect.y,
-                                 button_rect.width, button_rect.height);
-          gtk_render_frame (style, cr,
-                            button_rect.x, button_rect.y,
-                            button_rect.width, button_rect.height);
-
-          switch (button_type)
-            {
-            case META_BUTTON_TYPE_CLOSE:
-               icon_name = "window-close-symbolic";
-               break;
-            case META_BUTTON_TYPE_MAXIMIZE:
-               if (flags & META_FRAME_MAXIMIZED)
-                 icon_name = "window-restore-symbolic";
-               else
-                 icon_name = "window-maximize-symbolic";
-               break;
-            case META_BUTTON_TYPE_MINIMIZE:
-               icon_name = "window-minimize-symbolic";
-               break;
-            case META_BUTTON_TYPE_MENU:
-               icon_name = "open-menu-symbolic";
-               break;
-            default:
-               icon_name = NULL;
-               break;
-            }
-
-          if (icon_name)
-            {
-              GtkIconTheme *theme = gtk_icon_theme_get_default ();
-              g_autoptr (GtkIconInfo) info = NULL;
-              g_autoptr (GdkPixbuf) pixbuf = NULL;
-
-              info = gtk_icon_theme_lookup_icon_for_scale (theme, icon_name,
-                                                           layout->icon_size, scale, 0);
-              pixbuf = gtk_icon_info_load_symbolic_for_context (info, style, NULL, NULL);
-              surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, NULL);
-            }
-
-          if (surface)
-            {
-              float width, height;
-              int x, y;
-
-              width = cairo_image_surface_get_width (surface) / scale;
-              height = cairo_image_surface_get_height (surface) / scale;
-              x = button_rect.x + (button_rect.width - layout->icon_size) / 2;
-              y = button_rect.y + (button_rect.height - layout->icon_size) / 2;
-
-              cairo_translate (cr, x, y);
-              cairo_scale (cr,
-                           layout->icon_size / width,
-                           layout->icon_size / height);
-              cairo_set_source_surface (cr, surface, 0, 0);
-              cairo_paint (cr);
-
-              cairo_surface_destroy (surface);
-            }
-        }
-      cairo_restore (cr);
-      if (button_class)
-        gtk_style_context_remove_class (style, button_class);
-      gtk_style_context_set_state (style, state);
-    }
-
-  cairo_surface_set_device_scale (frame_surface, xscale, yscale);
-}
-
-/**
- * meta_theme_get_default: (skip)
- *
- */
-MetaTheme*
-meta_theme_get_default (void)
-{
-  static MetaTheme *theme = NULL;
-  int frame_type;
-
-  if (theme)
-    return theme;
-
-  theme = meta_theme_new ();
-
-  for (frame_type = 0; frame_type < META_FRAME_TYPE_LAST; frame_type++)
-    {
-      MetaFrameLayout *layout = meta_frame_layout_new ();
-
-      switch (frame_type)
-        {
-        case META_FRAME_TYPE_NORMAL:
-        case META_FRAME_TYPE_DIALOG:
-        case META_FRAME_TYPE_MODAL_DIALOG:
-        case META_FRAME_TYPE_ATTACHED:
-          break;
-        case META_FRAME_TYPE_MENU:
-        case META_FRAME_TYPE_UTILITY:
-          layout->title_scale = PANGO_SCALE_SMALL;
-          break;
-        case META_FRAME_TYPE_BORDER:
-          layout->has_title = FALSE;
-          layout->hide_buttons = TRUE;
-          break;
-        default:
-          g_assert_not_reached ();
-        }
-
-      theme->layouts[frame_type] = layout;
-    }
-  return theme;
-}
-
-/**
- * meta_theme_new: (skip)
- *
- */
-MetaTheme*
-meta_theme_new (void)
-{
-  return g_new0 (MetaTheme, 1);
-}
-
-
-void
-meta_theme_free (MetaTheme *theme)
-{
-  int i;
-
-  g_return_if_fail (theme != NULL);
-
-  for (i = 0; i < META_FRAME_TYPE_LAST; i++)
-    if (theme->layouts[i])
-      meta_frame_layout_free (theme->layouts[i]);
-
-  g_free (theme);
-}
-
-MetaFrameLayout*
-meta_theme_get_frame_layout (MetaTheme     *theme,
-                             MetaFrameType  type)
-{
-  g_return_val_if_fail (type < META_FRAME_TYPE_LAST, NULL);
-
-  return theme->layouts[type];
-}
-
-static GtkStyleContext *
-create_style_context (GType            widget_type,
-                      GtkStyleContext *parent_style,
-                      GtkCssProvider  *provider,
-                      const char      *object_name,
-                      const char      *first_class,
-                      ...)
-{
-  GtkStyleContext *style;
-  GtkStateFlags state;
-  GtkWidgetPath *path;
-  const char *name;
-  va_list ap;
-
-  style = gtk_style_context_new ();
-  gtk_style_context_set_scale (style, meta_theme_get_window_scaling_factor ());
-  gtk_style_context_set_parent (style, parent_style);
-
-  if (parent_style)
-    path = gtk_widget_path_copy (gtk_style_context_get_path (parent_style));
-  else
-    path = gtk_widget_path_new ();
-
-  gtk_widget_path_append_type (path, widget_type);
-
-  if (object_name)
-    gtk_widget_path_iter_set_object_name (path, -1, object_name);
-
-  state = gtk_style_context_get_state (style);
-  if (meta_get_locale_direction() == META_LOCALE_DIRECTION_RTL)
-    {
-      state |= GTK_STATE_FLAG_DIR_RTL;
-      state &= ~GTK_STATE_FLAG_DIR_LTR;
-    }
-  else
-    {
-      state |= GTK_STATE_FLAG_DIR_LTR;
-      state &= ~GTK_STATE_FLAG_DIR_RTL;
-    }
-  gtk_style_context_set_state (style, state);
-
-  va_start (ap, first_class);
-  for (name = first_class; name; name = va_arg (ap, const char *))
-    gtk_widget_path_iter_add_class (path, -1, name);
-  va_end (ap);
-
-  gtk_style_context_set_path (style, path);
-  gtk_widget_path_unref (path);
-
-  gtk_style_context_add_provider (style, GTK_STYLE_PROVIDER (provider),
-                                  GTK_STYLE_PROVIDER_PRIORITY_SETTINGS);
-
-  return style;
-}
-
-static inline GtkCssProvider *
-get_css_provider_for_theme_name (const gchar *theme_name,
-                                 const gchar *variant)
-{
-  static GtkCssProvider *default_provider = NULL;
-
-  if (!theme_name || *theme_name == '\0')
-    {
-      if (G_UNLIKELY (default_provider == NULL))
-        default_provider = gtk_css_provider_new ();
-
-      return default_provider;
-    }
-
-  return gtk_css_provider_get_named (theme_name, variant);
-}
-
-MetaStyleInfo *
-meta_theme_create_style_info (GdkScreen   *screen,
-                              const gchar *variant)
-{
-  MetaStyleInfo *style_info;
-  GtkCssProvider *provider;
-  char *theme_name;
-
-  g_object_get (gtk_settings_get_for_screen (screen),
-                "gtk-theme-name", &theme_name,
-                NULL);
-
-  provider = get_css_provider_for_theme_name (theme_name, variant);
-  g_free (theme_name);
-
-  style_info = g_new0 (MetaStyleInfo, 1);
-  style_info->refcount = 1;
-
-  style_info->styles[META_STYLE_ELEMENT_WINDOW] =
-    create_style_context (META_TYPE_FRAMES,
-                          NULL,
-                          provider,
-                          "window",
-                          GTK_STYLE_CLASS_BACKGROUND,
-                          "ssd",
-                          NULL);
-  style_info->styles[META_STYLE_ELEMENT_FRAME] =
-    create_style_context (META_TYPE_FRAMES,
-                          style_info->styles[META_STYLE_ELEMENT_WINDOW],
-                          provider,
-                          "decoration",
-                          NULL);
-  style_info->styles[META_STYLE_ELEMENT_TITLEBAR] =
-    create_style_context (GTK_TYPE_HEADER_BAR,
-                          style_info->styles[META_STYLE_ELEMENT_FRAME],
-                          provider,
-                          "headerbar",
-                          GTK_STYLE_CLASS_TITLEBAR,
-                          GTK_STYLE_CLASS_HORIZONTAL,
-                          "default-decoration",
-                          NULL);
-  style_info->styles[META_STYLE_ELEMENT_TITLE] =
-    create_style_context (GTK_TYPE_LABEL,
-                          style_info->styles[META_STYLE_ELEMENT_TITLEBAR],
-                          provider,
-                          "label",
-                          GTK_STYLE_CLASS_TITLE,
-                          NULL);
-  style_info->styles[META_STYLE_ELEMENT_BUTTON] =
-    create_style_context (GTK_TYPE_BUTTON,
-                          style_info->styles[META_STYLE_ELEMENT_TITLEBAR],
-                          provider,
-                          "button",
-                          "titlebutton",
-                          NULL);
-  style_info->styles[META_STYLE_ELEMENT_IMAGE] =
-    create_style_context (GTK_TYPE_IMAGE,
-                          style_info->styles[META_STYLE_ELEMENT_BUTTON],
-                          provider,
-                          "image",
-                          NULL);
-  return style_info;
-}
-
-MetaStyleInfo *
-meta_style_info_ref (MetaStyleInfo *style_info)
-{
-  g_return_val_if_fail (style_info != NULL, NULL);
-  g_return_val_if_fail (style_info->refcount > 0, NULL);
-
-  g_atomic_int_inc ((volatile int *)&style_info->refcount);
-  return style_info;
-}
-
-void
-meta_style_info_unref (MetaStyleInfo *style_info)
-{
-  g_return_if_fail (style_info != NULL);
-  g_return_if_fail (style_info->refcount > 0);
-
-  if (g_atomic_int_dec_and_test ((volatile int *)&style_info->refcount))
-    {
-      int i;
-      for (i = 0; i < META_STYLE_ELEMENT_LAST; i++)
-        g_object_unref (style_info->styles[i]);
-      g_free (style_info);
-    }
-}
-
-static void
-add_toplevel_class (GtkStyleContext *style,
-                    const char      *class_name)
-{
-  if (gtk_style_context_get_parent (style))
-    {
-      GtkWidgetPath *path;
-
-      path = gtk_widget_path_copy (gtk_style_context_get_path (style));
-      gtk_widget_path_iter_add_class (path, 0, class_name);
-      gtk_style_context_set_path (style, path);
-      gtk_widget_path_unref (path);
-    }
-  else
-    gtk_style_context_add_class (style, class_name);
-}
-
-static void
-remove_toplevel_class (GtkStyleContext *style,
-                       const char      *class_name)
-{
-  if (gtk_style_context_get_parent (style))
-    {
-      GtkWidgetPath *path;
-
-      path = gtk_widget_path_copy (gtk_style_context_get_path (style));
-      gtk_widget_path_iter_remove_class (path, 0, class_name);
-      gtk_style_context_set_path (style, path);
-      gtk_widget_path_unref (path);
-    }
-  else
-    gtk_style_context_remove_class (style, class_name);
-}
-
-void
-meta_style_info_set_flags (MetaStyleInfo  *style_info,
-                           MetaFrameFlags  flags)
-{
-  GtkStyleContext *style;
-  const char *class_name = NULL;
-  gboolean backdrop;
-  GtkStateFlags state;
-  int i;
-
-  backdrop = !(flags & META_FRAME_HAS_FOCUS);
-
-  if (flags & META_FRAME_MAXIMIZED)
-    class_name = "maximized";
-  else if (flags & META_FRAME_TILED_LEFT ||
-           flags & META_FRAME_TILED_RIGHT)
-    class_name = "tiled";
-
-  for (i = 0; i < META_STYLE_ELEMENT_LAST; i++)
-    {
-      style = style_info->styles[i];
-
-      state = gtk_style_context_get_state (style);
-      if (backdrop)
-        gtk_style_context_set_state (style, state | GTK_STATE_FLAG_BACKDROP);
-      else
-        gtk_style_context_set_state (style, state & ~GTK_STATE_FLAG_BACKDROP);
-
-      remove_toplevel_class (style, "maximized");
-      remove_toplevel_class (style, "tiled");
-
-      if (class_name)
-        add_toplevel_class (style, class_name);
-    }
-}
-
-PangoFontDescription*
-meta_style_info_create_font_desc (MetaStyleInfo *style_info)
-{
-  PangoFontDescription *font_desc;
-  const PangoFontDescription *override = meta_prefs_get_titlebar_font ();
-  GtkStyleContext *context = style_info->styles[META_STYLE_ELEMENT_TITLE];
-
-  gtk_style_context_get (context,
-                         gtk_style_context_get_state (context),
-                         "font", &font_desc, NULL);
-
-  if (override)
-    pango_font_description_merge (font_desc, override, TRUE);
-
-  return font_desc;
-}
-
-void
-meta_theme_draw_frame (MetaTheme              *theme,
-                       MetaStyleInfo          *style_info,
-                       cairo_t                *cr,
-                       MetaFrameType           type,
-                       MetaFrameFlags          flags,
-                       int                     client_width,
-                       int                     client_height,
-                       PangoLayout            *title_layout,
-                       int                     text_height,
-                       const MetaButtonLayout *button_layout,
-                       MetaButtonState         button_states[META_BUTTON_TYPE_LAST],
-                       cairo_surface_t        *mini_icon)
-{
-  MetaFrameGeometry fgeom;
-  MetaFrameLayout *layout;
-
-  g_return_if_fail (type < META_FRAME_TYPE_LAST);
-
-  layout = theme->layouts[type];
-
-  /* Parser is not supposed to allow this currently */
-  if (layout == NULL)
-    return;
-
-  meta_frame_layout_calc_geometry (layout,
-                                   style_info,
-                                   text_height,
-                                   flags,
-                                   client_width, client_height,
-                                   button_layout,
-                                   type,
-                                   &fgeom,
-                                   theme);
-
-  meta_frame_layout_draw_with_style (layout,
-                                     style_info,
-                                     cr,
-                                     &fgeom,
-                                     title_layout,
-                                     flags,
-                                     button_states,
-                                     mini_icon);
-}
-
-void
-meta_theme_get_frame_borders (MetaTheme        *theme,
-                              MetaStyleInfo    *style_info,
-                              MetaFrameType     type,
-                              int               text_height,
-                              MetaFrameFlags    flags,
-                              MetaFrameBorders *borders)
-{
-  MetaFrameLayout *layout;
-
-  g_return_if_fail (type < META_FRAME_TYPE_LAST);
-
-  layout = theme->layouts[type];
-
-  meta_frame_borders_clear (borders);
-
-  /* Parser is not supposed to allow this currently */
-  if (layout == NULL)
-    return;
-
-  meta_frame_layout_sync_with_style (layout, style_info, flags);
-
-  meta_frame_layout_get_borders (layout,
-                                 text_height,
-                                 flags, type,
-                                 borders);
-}
-
-void
-meta_theme_calc_geometry (MetaTheme              *theme,
-                          MetaStyleInfo          *style_info,
-                          MetaFrameType           type,
-                          int                     text_height,
-                          MetaFrameFlags          flags,
-                          int                     client_width,
-                          int                     client_height,
-                          const MetaButtonLayout *button_layout,
-                          MetaFrameGeometry      *fgeom)
-{
-  MetaFrameLayout *layout;
-
-  g_return_if_fail (type < META_FRAME_TYPE_LAST);
-
-  layout = theme->layouts[type];
-
-  /* Parser is not supposed to allow this currently */
-  if (layout == NULL)
-    return;
-
-  meta_frame_layout_calc_geometry (layout,
-                                   style_info,
-                                   text_height,
-                                   flags,
-                                   client_width, client_height,
-                                   button_layout,
-                                   type,
-                                   fgeom,
-                                   theme);
-}
-
-/**
- * meta_pango_font_desc_get_text_height:
- * @font_desc: the font
- * @context: the context of the font
- *
- * Returns the height of the letters in a particular font.
- *
- * Returns: the height of the letters
- */
-int
-meta_pango_font_desc_get_text_height (const PangoFontDescription *font_desc,
-                                      PangoContext         *context)
-{
-  PangoFontMetrics *metrics;
-  PangoLanguage *lang;
-  int retval;
-
-  lang = pango_context_get_language (context);
-  metrics = pango_context_get_metrics (context, font_desc, lang);
-
-  retval = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
-                         pango_font_metrics_get_descent (metrics));
-
-  pango_font_metrics_unref (metrics);
-
-  return retval;
-}
-
-/**
- * meta_frame_type_to_string:
- * @type: a #MetaFrameType
- *
- * Converts a frame type enum value to the name string that would
- * appear in the theme definition file.
- *
- * Return value: the string value
- */
-const char*
-meta_frame_type_to_string (MetaFrameType type)
-{
-  switch (type)
-    {
-    case META_FRAME_TYPE_NORMAL:
-      return "normal";
-    case META_FRAME_TYPE_DIALOG:
-      return "dialog";
-    case META_FRAME_TYPE_MODAL_DIALOG:
-      return "modal_dialog";
-    case META_FRAME_TYPE_UTILITY:
-      return "utility";
-    case META_FRAME_TYPE_MENU:
-      return "menu";
-    case META_FRAME_TYPE_BORDER:
-      return "border";
-    case META_FRAME_TYPE_ATTACHED:
-      return "attached";
-#if 0
-    case META_FRAME_TYPE_TOOLBAR:
-      return "toolbar";
-#endif
-    case  META_FRAME_TYPE_LAST:
-      break;
-    }
-
-  return "<unknown>";
-}