Remove all support for the metacity format

Rest in peace you magnificent format, love-child of arcane X11 drawing
API and markup craze, you will not be missed.
We do remember however the bravery of a many men and women, who fearlessly
descended into the guts of your intrinsics and turned ugliness into beauty;
their work will still be spoken of when you will long have been forgotten.

https://bugzilla.gnome.org/show_bug.cgi?id=741917

3 files changed, 0 insertions, 404 deletions

diff --git a/doc/reference/meta-docs.sgml.in b/doc/reference/meta-docs.sgml.in
index 5c8b9673a..f1fea4504 100644
--- a/doc/reference/meta-docs.sgml.in
+++ b/doc/reference/meta-docs.sgml.in
@@ -22,7 +22,6 @@
     <title>Mutter Core Reference</title>
     <xi:include href="xml/main.xml"/>
     <xi:include href="xml/common.xml"/>
-    <xi:include href="xml/gradient.xml"/>
     <xi:include href="xml/prefs.xml"/>
     <xi:include href="xml/util.xml"/>
     <xi:include href="xml/errors.xml"/>
diff --git a/doc/reference/meta-sections.txt b/doc/reference/meta-sections.txt
index 66fb44646..515c3e471 100644
--- a/doc/reference/meta-sections.txt
+++ b/doc/reference/meta-sections.txt
@@ -173,15 +173,6 @@ meta_error_trap_pop_with_return
 </SECTION>
 
 <SECTION>
-<FILE>gradient</FILE>
-MetaGradientType
-meta_gradient_create_simple
-meta_gradient_create_multi
-meta_gradient_create_interwoven
-meta_gradient_add_alpha
-</SECTION>
-
-<SECTION>
 <FILE>group</FILE>
 MetaGroup
 meta_window_get_group
diff --git a/doc/theme-format.txt b/doc/theme-format.txt
deleted file mode 100644
index 0607c6eb7..000000000
--- a/doc/theme-format.txt
+++ /dev/null
@@ -1,394 +0,0 @@
-Themes are in a simple XML-subset format. There are multiple versions
-of the theme format, and a given theme can support more than one format.
-
-Version 1:     THEMEDIR/metacity-1/metacity-theme-1.xml
-  (original metacity format)
-Version 2:     THEMEDIR/metacity-1/metacity-theme-2.xml
-Version 3:     THEMEDIR/metacity-1/metacity-theme-3.xml
-
-The subdirectory name is "metacity-1" in all versions.
-
-As you might expect, older versions of metacity will not understand
-newer theme formats. However, newer versions will use old themes.
-Metacity will always use the newest theme format it understands that
-the X server supports. Some format versions are only supported if you
-have the right X server features.
-
-Each format *requires* the corresponding filename. If you put version
-2 format features in the metacity-1/metacity-theme-1.xml file, then
-metacity will get angry.
-
-This document has separate sections for each format version. You may
-want to read the document in reverse order, since the base features
-are discussed under version 1.
-
-New Features in Theme Format Version 3.4
-========================================
-
-An additional color type is added to pick up custom colors defined
-in the GTK+ theme's CSS:
-
-  gtk:custom(name,fallback)
-
-where <name> refers to a custom color defined with @define-color in
-the GTK+ theme, and <fallback> provides an alternative color definition
-in case the color referenced by <name> is not found.
-
-New Features in Theme Format Version 3.3
-========================================
-
-Add two additional button background functions - left_single_background and
-right_single_background - for button groups with just a single button.
-
-There are now additional frame states to style left/right tiled windows
-differently ("tiled_left", "tiled_right", "tiled_left_and_shaded",
-"tiled_right_and_shaded").
-
-New Features in Theme Format Version 3.2
-========================================
-
-A new window type 'attached' is added for modal dialogs which are
-attached to their parent window. (When the attach_modal_dialogs preference
-is turned on.) If no style is defined for the 'attached' window type,
-the 'border' window type will be used instead.
-
-New Features in Theme Format Version 3.1
-========================================
-
-Additional predefined variables are added for positioning expressions:
-
- frame_x_center: the X center of the entire frame, with respect to the
-     piece currently being drawn.
- frame_y_center: the Y center of the entire frame, with respect to the
-     piece currently being drawn.
-
-The <title/> element now supports an "ellipsize_width" attribute. When
-specified, this gives a width at which to ellipsize the title. If not
-specified, the title will simply be clipped to the title area.
-
-New Features in Theme Format Version 3
-======================================
-
-Format version 3 has exactly one new feature; any element in the file
-can now have a version attribute:
-
-  version="[<|<=|=>|>] MAJOR.MINOR"
-
-(< and > should be to be entity escaped as &lt; and &gt;). If this
-version check is not met, then the element and its children will be
-ignored. This allows having alternate sections of the theme file for
-older and newer version of the Metacity theme format.
-
-When placed on the toplevel <metacity_theme> element, an unsatisfied
-version check will not just cause the contents of the file to be
-ignored, it will also cause the lookup of a theme file to proceed on
-and look for an older format 2 or format 1 file. This allows making a
-metacity-theme-3.xml file that is only used the format version 3.2 or
-newer is supported, and using metacity-theme-1.xml for older window
-managers.
-
-New Features in Theme Format Version 2
-======================================
-
-The optional attributes rounded_top_left, rounded_top_right,
-rounded_bottom_left and rounded_bottom_right on <frame_geometry>
-should now be the radius of the corner in pixels. You may still use
-the values "false" for 0 and "true" for 5, which means v1 values will
-still work just fine.
-
-<frame_geometry> has a new optional attribute, hide_buttons. If this
-is true, no buttons will be displayed on the titlebar.
-
-Anywhere you can use a positive integer, you can use an integer constant.
-
-As well as constant integers and reals, you may define constant colours,
-thus:
-  <constant name="RevoltingPink" value="#FF00FF"/>
-  <constant name="Background" value="gtk:bg[NORMAL]"/>
-
-<frame_style> has two new optional attributes, background and alpha.
-If you specify alpha, you must specify background. background is a
-colour used for the background of the frame. alpha is the transparency
-as a real between 0.0 and 1.0. If the current X server does not support
-alpha channels, the value is ignored.
-
-The filename attribute of <image> may begin with "theme:". If so, the
-rest of the string is the name of a theme icon. The 64x64 version of the
-icon is used, except for fallback mini_icons, which use the 16x16 version.
-This does not affect ordinary resizing. For example:
-  <button function="close" state="normal">
-    <draw_ops>
-      <include name="active_button"/>
-      <image filename="theme:gnome-logout" x="2" y="2"
-          width="width-4" height="height-4"/>
-      <!-- Note: not "theme:gnome-logout.png" or similar. -->
-    </draw_ops>
-  </button>
-
-<menu_icon>s are parsed but ignored.
-
-Fallback icons can be specified using <fallback>. There are two
-optional arguments, icon and mini_icon. The values of these arguments
-are identical to that of the filename attribute of <image>. Fallback
-icons are used when a window does not supply its own icon. If a fallback
-icon is not specified with <fallback>, Metacity will use a built-in
-icon, as in metacity-theme-1.
-
-The <arc> element, as well as the original start_angle and end_angle
-attributes, may be given from and to attributes. The values of these
-attributes are given in degrees clockwise, with 0 being straight up.
-For example:
-  <arc from="0.0" to="90.0" filled="true" color="#FF00FF"
-      x="0" y="5" width="15" height="15"/>
-
-<frame state="shaded"> may now take an optional resize attribute, with
-the same interpretation as the resize attribute on <frame state="normal">.
-If this attribute is omitted for state="shaded", it defaults to "both".
-(If it is omitted for state="normal", it remains an error.)
-
-In addition to the four <button> functions which are required in
-metacity-theme-1, there are six new functions in metacity-theme-2:
-shade, unshade, above, unabove, stick and unstick.
-      
-Overview of Theme Format Version 1
-==================================
-
-<?xml version="1.0"?>
-<metacity_theme>
-<!-- Only one info section is allowed -->
-<info>
-  <name>Foo</name>
-  <author>Foo P. Bar</author>
-  <copyright>whoever, 2002</copyright>
-  <date>Jan 31 2005</date>
-  <description>A sentence about the theme.</description>
-</info>
-
-<!-- define a frame geometry to be referenced later -->
-<!-- frame_geometry has an optional has_title attribute which 
-     determines whether the title text height is included in the 
-     height calculation. if not specified, defaults to true.
-     It also has an optional text_size="medium" attribute
-     (same sizes as with Pango markup, xx-small thru medium thru
-     xx-large) 
-
-     Finally it has optional args rounded_top_left=true, 
-     rounded_top_right=true, rounded_bottom_left=true,
-     rounded_bottom_right=true.
-
-     -->
-<frame_geometry name="normal" has_title="true" title_scale="medium">
-  <distance name="left_width" value="6"/>
-  <distance name="right_width" value="6"/>
-  <distance name="bottom_height" value="7"/>
-  <distance name="left_titlebar_edge" value="6"/>
-  <distance name="right_titlebar_edge" value="6"/>
-  <distance name="button_width" value="17"/>
-  <distance name="button_height" value="17"/>
-  <!-- alternative to button_width button_height distances -->
-  <aspect_ratio name="button" value="1.0"/>
-  <distance name="title_vertical_pad" value="4"/>
-  <border name="title_border" left="3" right="12" top="4" bottom="3"/>
-  <border name="button_border" left="0" right="0" top="1" bottom="1"/>
-</frame_geometry>
-
-<!-- inheritance is allowed; simply overwrites values from parent -->
-<frame_geometry name="borderless" parent="normal">
-  <distance name="left_width" value="0"/>
-  <distance name="right_width" value="0"/>
-  <distance name="bottom_height" value="0"/>
-  <distance name="left_titlebar_edge" value="0"/>
-  <distance name="right_titlebar_edge" value="0"/>
-</frame_geometry>
-
-<!-- define a constant to use in positions/sizes of draw operations;
-     constant names must start with a capital letter.
-  -->
-<constant name="LineOffset" value="3"/>
-
-<!-- define drawing operations to be referenced later; 
-     these draw-op lists can also be placed inline. 
-
-     Positions/lengths are given as expressions.
-     Operators are: +,-,*,/,%,`max`,`min`
-     All operators are infix including `max` and `min`, 
-      i.e. "2 `max` 5"
-     
-     Some variables are predefined, and constants can also 
-     be used. Variables are:
-
-       width - width of target area
-       height - height of target area
-       object_width - natural width of object being drawn
-       object_height - natural height of object being drawn
-       left_width - distance from left of frame to client window
-       right_width - distance from right of frame to client window
-       top_height - distance from top of frame to client window
-       bottom_height - distance from bottom of frame to client window
-       mini_icon_width - width of mini icon for window
-       mini_icon_height - height of mini icon
-       icon_width - width of large icon
-       icon_height - height of large icon
-       title_width - width of title text
-       title_height - height of title text
-
-    All these are always defined, except object_width/object_height 
-    which only exists for <image> right now.
-
-  -->
-
-<draw_ops name="demo_all_ops">
-  <line color="#00FF00" x1="LineOffset" y1="0" x2="0" y2="height"/>
-  <line color="gtk:fg[NORMAL]" 
-        x1="width - 1" y1="0" x2="width - 1" y2="height" 
-        width="3" dash_on_length="2" dash_off_length="3"/>
-  <rectangle color="blend/gtk:fg[NORMAL]/gtk:bg[NORMAL]/0.7"
-             x="0" y="0" width="width - 1" height="height - 1" filled="true"/>
-  <arc color="dark gray" x="0" y="0" width="width - 1" height="height - 1" 
-       filled="false" start_angle="30" extent_angle="180"/>
-  <tint color="orange" alpha="0.5" x="0" y="0" width="width" height="height"/>
- <!-- may be vertical, horizontal, diagonal -->
-  <gradient type="diagonal" 
-            x="10" y="30" width="width / 3" height="height / 4">
-    <!-- any number of colors allowed here. A color can be 
-         a color name like "blue" (look at gcolorsel), a hex color
-         as in HTML (#FFBB99), or a color from the gtk theme 
-         given as "gtk:base[NORMAL]", "gtk:fg[ACTIVE]", etc.
-       -->
-    <color value="gtk:fg[SELECTED]"/>
-    <!-- color obtained by a 0.5 alpha composite of the second color onto the first -->
-    <color value="blend/gtk:bg[SELECTED]/gtk:fg[SELECTED]/0.5"/>
-  </gradient>
-  <image filename="foo.png" alpha="0.7"
-         x="10" y="30" width="width / 3" height="height / 4"/>
-  <gtk_arrow state="normal" shadow="in" arrow="up"
-             filled="true"
-             x="2" y="2" width="width - 4" height="height - 4"/>
-  <gtk_box state="normal" shadow="out"
-           x="2" y="2" width="width - 4" height="height - 4"/>
-  <gtk_vline state="normal" x="2" y1="0" y2="height"/>
-  <!-- window's icon -->
-  <icon alpha="0.7"
-        x="10" y="30" width="width / 3" height="height / 4"/>
-  <!-- window's title -->
-  <title color="gtk:text[NORMAL]" x="20" y="30"/>
-  <!-- include another draw ops list; has optional x/y/width/height attrs -->
-  <include name="some_other_draw_ops"/>
-  <!-- tile another draw ops list; has optional
-       x/y/width/height/tile_xoffset/tile_yoffset -->
-  <tile name="some_other_draw_ops" tile_width="10" tile_height="10"/>
-</draw_ops>
-
-<frame_style name="normal" geometry="normal">
-  <!-- How to draw each piece of the frame.
-       For each piece, a draw_ops can be given inline or referenced 
-       by name. If a piece is omitted, then nothing will be drawn 
-       for that piece.
-
-       For each piece, the "width" and "height" variables in 
-       coordinate expressions refers to the dimensions of the piece, 
-       the origin is at the top left of the piece.
-  
-       So <rectangle x="0" y="0" width="width-1" height="height-1"/>
-       will outline a piece.
-    -->
-
-  <piece position="entire_background" draw_ops="demo_all_ops"/>
-  <piece position="left_titlebar_edge">
-    <draw_ops>
-      <line color="#00FF00" x1="0" y1="0" x2="0" y2="height"/>
-    </draw_ops>
-  </piece>
-
-  <!-- The complete list of frame pieces:
-
-       entire_background: whole frame
-       titlebar: entire area above the app's window 
-       titlebar_middle: area of titlebar_background not considered
-                        part of an edge
-       left_titlebar_edge: left side of titlebar background
-       right_titlebar_edge: right side of titlebar background
-       top_titlebar_edge: top side of titlebar background
-       bottom_titlebar_edge: bottom side of titlebar background 
-       title: the title area (doesn't include buttons)
-       left_edge: left edge of the frame
-       right_edge: right edge of the frame
-       bottom_edge: bottom edge of the frame
-       overlay: same area as entire_background, but drawn after 
-                drawing all sub-pieces instead of before
-
-   -->
-
-  <!-- For buttons, drawing methods have to be provided for 
-       each of three states: 
-          normal, pressed, prelight
-       and the button function or position must be provided:
-          close, maximize, minimize, menu, 
-          left_left_background, left_middle_background,
-          left_right_background, right_left_background, 
-          right_middle_background, right_right_background
-       So a working theme needs 3*4 = 12 button declarations
-       and a theme may have up to 3*10 = 30 button declarations
-       in order to handle button-rearrangement preferences.
- 
-       (The name "function" for the attribute is from before the 
-        background values existed.)
-    -->
-
-  <button function="close" state="normal" draw_ops="previously_named"/>
-  <button function="menu" state="normal">
-    <draw_ops>
-      <icon alpha="0.7"
-            x="0" y="0" width="object_width" height="object_height"/>
-    </draw_ops>
-  </button>
-
-</frame_style>
-
-<!-- styles can inherit from each other with the parent="" attribute. 
-     In a subclass anything can be re-specified to override 
-     the parent style. -->
-<frame_style name="focused" parent="normal">
-  <piece position="title">
-    <draw_ops>
-      <rectangle color="gtk:bg[SELECTED]"
-                 x="0" y="0" width="width-1" height="height-1"/>
-      <title color="gtk:fg[SELECTED]" x="(width - title_width) / 2"
-                                      y="(height - title_height) / 2"/>
-    </draw_ops>
-  </piece>
-</frame_style>
-
-<!-- Maps styles to states of frame. 
-
-     Focus: yes (focused), no (not focused)
-     Window states: normal, maximized, shaded, maximized_and_shaded
-     Window resizability: none, vertical, horizontal, both
-
-     Everything unspecified just does the same as
-     unfocused/normal/both.
-
-     only state="normal" needs a resize="" attribute.
- -->
-<frame_style_set name="normal">
-<frame focus="yes" state="normal" resize="both" style="focused"/>
-<frame focus="no" state="normal" resize="both" style="normal"/>
-</frame_style_set>
-
-<!-- Each window type needs a style set 
-     Types: normal, dialog, modal_dialog, menu, utility, border
-  -->
-<window type="normal" style_set="normal"/>
-
-
-<!-- For menu icons, drawing methods are needed for the same 
-     four types as the buttons, and GTK states
-     (insensitive,prelight,normal,etc.)
-  -->
-
-<menu_icon function="close" state="normal" draw_ops="previously_named"/>
-
-
-</metacity_theme>
-
-