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Create COMPLIANCE document describing metacity specification compliance.
2003-11-16 Rob Adams <readams@readams.net> Create COMPLIANCE document describing metacity specification compliance. Right now gives detailed EWMH compliance; still need to add ICCCM compliance information. Also some minor fixes to bring metacity into compliance on some points. * COMPLIANCE: new file * src/display.h, src/display.c (meta_display_open), src/screen.c (set_supported_hint): add atom_net_wm_action_fullscreen and atom_net_wm_action_minimize * src/window.c (set_allowed_actions_hint): some fixes to which hints to set and add fullscreen and minimize.
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Rob Adams
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149
COMPLIANCE
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149
COMPLIANCE
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Metacity Standards Compliance
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=============================
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$Id$
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1) Introduction
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2) EWMH Compliance
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a. Root Window Properties
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b. Root Window Messages
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c. Application Window Properties
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d. Window Manager Protocols
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3) ICCCM Compliance
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1) Introduction
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---------------
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This document details metacity compliance with the relevent standards.
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The format of this document is as follows:
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[-/+*?] Hint Name/Feature Name (Version number)
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Errata/Comments
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The first character indicates the level of compliance as follows:
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- none
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/ partial
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+ complete
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? unknown
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The title indicates a feature or a hint in the specification, and the
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version number indicates the minimum version of the specification
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supported by metacity. Later versions may be supported if no
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incompatible changes have been made in the specification.
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2) EWMH Compliance
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------------------
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The EWMH, or Extended Window Manager Hints is a freedesktop.org-
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developed standard to support a number of conventions for
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communication between the window manager and clients. It builds on
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and extends the ICCCM (See Section 2). A copy of the current EWMH
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standard is available at http://freedesktop.org/Standards/wm-spec/
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a. Root Window Properties
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-------------------------
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+ _NET_SUPPORTED (1.3)
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+ _NET_CLIENT_LIST (1.3)
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+ _NET_NUMBER_OF_DESKTOPS (1.3)
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- _NET_DESKTOP_GEOMETRY (-)
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Metacity does not implement large desktops. Regardless, according
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to the specification, metacity SHOULD set this property to the
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screen size, and update it if the screen size changes because of a
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RandR change.
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- _NET_DESKTOP_VIEWPORT (-)
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Metacity does not implement viewports. However, according to the
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specification, metacity MUST set this property to (0,0)
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+ _NET_CURRENT_DESKTOP (1.3)
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+ _NET_DESKTOP_NAMES (1.3)
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+ _NET_ACTIVE_WINDOW (1.3)
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+ _NET_WORKAREA (1.3)
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+ _NET_SUPPORTING_WM_CHECK (1.3)
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+ _NET_VIRTUAL_ROOTS (1.3)
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Metacity does not read or set this property, but it does not use
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virtual roots to implement virtual desktops, so it complies with the
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specification.
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+ _NET_DESKTOP_LAYOUT (1.3)
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+ _NET_SHOWING_DESKTOP (1.3)
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b. Root Window Messages
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-----------------------
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+ _NET_CLOSE_WINDOW (1.3)
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- _NET_MOVERESIZE_WINDOW (-)
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Metacity does not support this message. The specification states
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that metacity should treat this message like a ConfigureRequest.
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Not hard to implement; just hasn't been done.
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+ _NET_WM_MOVERESIZE (1.3)
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c. Application Window Properties
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--------------------------------
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+ _NET_WM_NAME (1.3)
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+ _NET_WM_VISIBLE_NAME (1.3)
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Metacity does not set this property, but metacity will never display
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a name different from _NET_WM_NAME
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+ _NET_WM_ICON_NAME (1.3)
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+ _NET_WM_VISIBLE_ICON_NAME (1.3)
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Metacity does not set this property, but metacity will never display
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a name different from _NET_WM_NAME
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+ _NET_WM_DESKTOP (1.3)
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+ _NET_WM_WINDOW_TYPE (1.3)
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/ _NET_WM_STATE (1.3)
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Metacity does not recognize separate vertical and horizontal
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maximization states. Currently metacity will do a two-dimensional
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maximization if either property is set.
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See: http://bugzilla.gnome.org/show_bug.cgi?id=113601
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Metacity doesn't implement viewports so _NET_WM_STATE_STICKY is
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unimplemented.
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+ _NET_WM_ALLOWED_ACTIONS (1.3)
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Metacity keeps this hint up to date. The code is somewhat crufty
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and should be rewritten, though it is functional.
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See: http://bugzilla.gnome.org/show_bug.cgi?id=90420
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+ _NET_WM_STRUT (1.3)
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+ _NET_WM_STRUT_PARTIAL (1.3)
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+ _NET_WM_ICON_GEOMETRY (1.3)
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Metacity uses this property to draw minimize/restore animations
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+ _NET_WM_ICON (1.3)
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+ _NET_WM_PID (1.3)
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+ _NET_WM_HANDLED_ICONS (1.3)
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Metacity does not read or set this property. However, metacity
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never managed iconified windows, and so has no need to do so.
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- _NET_WM_USER_TIME (-)
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Metacity does not read or set this property. The EWMH does not
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require it to do so, but it should support it.
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d. Window Manager Protocols
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---------------------------
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+ _NET_WM_PING (1.3)
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3) ICCCM Compliance
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-------------------
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TODO
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16
ChangeLog
16
ChangeLog
@ -1,3 +1,19 @@
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2003-11-16 Rob Adams <readams@readams.net>
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Create COMPLIANCE document describing metacity specification
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compliance. Right now gives detailed EWMH compliance; still need
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to add ICCCM compliance information. Also some minor fixes to
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bring metacity into compliance on some points.
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* COMPLIANCE: new file
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* src/display.h, src/display.c (meta_display_open),
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src/screen.c (set_supported_hint): add
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atom_net_wm_action_fullscreen and atom_net_wm_action_minimize
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* src/window.c (set_allowed_actions_hint): some fixes to which
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hints to set and add fullscreen and minimize.
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2003-11-16 Rob Adams <readams@readams.net>
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* src/window.c (meta_window_notify_focus): add paranoia check to
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@ -270,7 +270,9 @@ meta_display_open (const char *name)
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"_GNOME_PANEL_ACTION_MAIN_MENU",
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"_GNOME_PANEL_ACTION_RUN_DIALOG",
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"_METACITY_SENTINEL",
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"_NET_WM_STRUT_PARTIAL"
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"_NET_WM_STRUT_PARTIAL",
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"_NET_WM_ACTION_FULLSCREEN",
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"_NET_WM_ACTION_MINIMIZE"
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};
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Atom atoms[G_N_ELEMENTS(atom_names)];
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@ -413,6 +415,8 @@ meta_display_open (const char *name)
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display->atom_gnome_panel_action_run_dialog = atoms[78];
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display->atom_metacity_sentinel = atoms[79];
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display->atom_net_wm_strut_partial = atoms[80];
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display->atom_net_wm_action_fullscreen = atoms[81];
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display->atom_net_wm_action_minimize = atoms[82];
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display->prop_hooks = NULL;
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meta_display_init_window_prop_hooks (display);
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@ -152,6 +152,8 @@ struct _MetaDisplay
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Atom atom_net_wm_allowed_actions;
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Atom atom_net_wm_action_move;
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Atom atom_net_wm_action_resize;
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Atom atom_net_wm_action_fullscreen;
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Atom atom_net_wm_action_minimize;
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Atom atom_net_wm_action_shade;
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Atom atom_net_wm_action_stick;
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Atom atom_net_wm_action_maximize_horz;
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25
src/screen.c
25
src/screen.c
@ -81,7 +81,7 @@ set_wm_check_hint (MetaScreen *screen)
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static int
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set_supported_hint (MetaScreen *screen)
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{
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#define N_SUPPORTED 49
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#define N_SUPPORTED 68
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Atom atoms[N_SUPPORTED];
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atoms[0] = screen->display->atom_net_wm_name;
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@ -132,7 +132,26 @@ set_supported_hint (MetaScreen *screen)
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atoms[45] = screen->display->atom_net_wm_action_close;
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atoms[46] = screen->display->atom_net_wm_state_above;
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atoms[47] = screen->display->atom_net_wm_state_below;
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atoms[48] = screen->display->atom_net_startup_id;
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atoms[48] = screen->display->atom_net_wm_pid;
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atoms[49] = screen->display->atom_net_workarea;
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atoms[50] = screen->display->atom_net_showing_desktop;
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atoms[51] = screen->display->atom_net_desktop_layout;
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atoms[52] = screen->display->atom_net_desktop_names;
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atoms[53] = screen->display->atom_net_wm_allowed_actions;
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atoms[54] = screen->display->atom_net_wm_action_move;
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atoms[55] = screen->display->atom_net_wm_action_resize;
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atoms[56] = screen->display->atom_net_wm_action_shade;
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atoms[57] = screen->display->atom_net_wm_action_stick;
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atoms[58] = screen->display->atom_net_wm_action_maximize_horz;
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atoms[59] = screen->display->atom_net_wm_action_maximize_vert;
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atoms[60] = screen->display->atom_net_wm_action_change_desktop;
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atoms[61] = screen->display->atom_net_wm_action_close;
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atoms[62] = screen->display->atom_net_wm_state_above;
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atoms[63] = screen->display->atom_net_wm_state_below;
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atoms[64] = screen->display->atom_net_startup_id;
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atoms[65] = screen->display->atom_net_wm_strut_partial;
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atoms[66] = screen->display->atom_net_wm_action_fullscreen;
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atoms[67] = screen->display->atom_net_wm_action_minimize;
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XChangeProperty (screen->display->xdisplay, screen->xroot,
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screen->display->atom_net_supported,
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@ -1588,6 +1607,8 @@ meta_screen_update_workspace_layout (MetaScreen *screen)
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break;
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}
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}
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else
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screen->starting_corner = META_SCREEN_TOPLEFT;
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}
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else
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{
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35
src/window.c
35
src/window.c
@ -5200,23 +5200,11 @@ recalc_window_type (MetaWindow *window)
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static void
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set_allowed_actions_hint (MetaWindow *window)
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{
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#define MAX_N_ACTIONS 8
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#define MAX_N_ACTIONS 10
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unsigned long data[MAX_N_ACTIONS];
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int i;
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i = 0;
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if (window->has_close_func)
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{
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data[i] = window->display->atom_net_wm_action_close;
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++i;
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}
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if (window->has_minimize_func)
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{
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data[i] = window->display->atom_net_wm_action_maximize_horz;
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++i;
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data[i] = window->display->atom_net_wm_action_maximize_vert;
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++i;
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}
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if (window->has_move_func)
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{
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data[i] = window->display->atom_net_wm_action_move;
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@ -5225,6 +5213,12 @@ set_allowed_actions_hint (MetaWindow *window)
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if (window->has_resize_func)
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{
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data[i] = window->display->atom_net_wm_action_resize;
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data[i] = window->display->atom_net_wm_action_fullscreen;
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++i;
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}
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if (window->has_minimize_func)
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{
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data[i] = window->display->atom_net_wm_action_minimize;
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++i;
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}
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if (window->has_shade_func)
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@ -5232,15 +5226,24 @@ set_allowed_actions_hint (MetaWindow *window)
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data[i] = window->display->atom_net_wm_action_shade;
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++i;
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}
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if (!window->always_sticky)
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/* sticky according to EWMH is different from metacity's sticky;
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* metacity doesn't support EWMH sticky
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*/
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if (window->has_maximize_func)
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{
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data[i] = window->display->atom_net_wm_action_stick;
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data[i] = window->display->atom_net_wm_action_maximize_horz;
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++i;
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data[i] = window->display->atom_net_wm_action_maximize_vert;
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++i;
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}
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/* We always allow this */
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data[i] = window->display->atom_net_wm_action_change_desktop;
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++i;
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if (window->has_close_func)
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{
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data[i] = window->display->atom_net_wm_action_close;
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++i;
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}
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g_assert (i <= MAX_N_ACTIONS);
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