moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 513 insertions, 0 deletions

diff --git a/src/core/display-private.h b/src/core/display-private.h
new file mode 100644
index 00000000..692e25f2
--- /dev/null
+++ b/src/core/display-private.h
@@ -0,0 +1,513 @@
+/* Marco X display handler */
+
+/* 
+ * Copyright (C) 2001 Havoc Pennington
+ * Copyright (C) 2002 Red Hat, Inc.
+ * Copyright (C) 2003 Rob Adams
+ * Copyright (C) 2004-2006 Elijah Newren
+ * 
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef META_DISPLAY_PRIVATE_H
+#define META_DISPLAY_PRIVATE_H
+
+#ifndef PACKAGE
+	#error "config.h not included"
+#endif
+
+#include <glib.h>
+#include <X11/Xlib.h>
+#include "eventqueue.h"
+#include "common.h"
+#include "boxes.h"
+#include "display.h"
+
+#ifdef HAVE_STARTUP_NOTIFICATION
+	#include <libsn/sn.h>
+#endif
+
+#ifdef HAVE_XSYNC
+	#include <X11/extensions/sync.h>
+#endif
+
+typedef struct _MetaKeyBinding MetaKeyBinding;
+typedef struct _MetaStack      MetaStack;
+typedef struct _MetaUISlave    MetaUISlave;
+typedef struct _MetaWorkspace  MetaWorkspace;
+
+typedef struct _MetaGroupPropHooks  MetaGroupPropHooks;
+
+typedef struct MetaEdgeResistanceData MetaEdgeResistanceData;
+
+typedef void (*MetaWindowPingFunc) (MetaDisplay* display, Window xwindow, guint32 timestamp, gpointer user_data);
+
+
+#define _NET_WM_STATE_REMOVE        0    /* remove/unset property */
+#define _NET_WM_STATE_ADD           1    /* add/set property */
+#define _NET_WM_STATE_TOGGLE        2    /* toggle property  */
+
+/* This is basically a bogus number, just has to be large enough
+ * to handle the expected case of the alt+tab operation, where
+ * we want to ignore serials from UnmapNotify on the tab popup,
+ * and the LeaveNotify/EnterNotify from the pointer ungrab
+ */
+#define N_IGNORED_SERIALS           4
+
+struct _MetaDisplay {
+	char* name;
+	Display* xdisplay;
+
+	Window leader_window;
+	Window timestamp_pinging_window;
+
+	/* Pull in all the names of atoms as fields; we will intern them when the
+	 * class is constructed.
+	 */
+	#define item(x)  Atom atom_##x;
+		#include "atomnames.h"
+	#undef item
+
+	/* This is the actual window from focus events,
+	 * not the one we last set
+	 */
+	MetaWindow* focus_window;
+
+	/* window we are expecting a FocusIn event for or the current focus
+	 * window if we are not expecting any FocusIn/FocusOut events; not
+	 * perfect because applications can call XSetInputFocus directly.
+	 * (It could also be messed up if a timestamp later than current
+	 * time is sent to meta_display_set_input_focus_window, though that
+	 * would be a programming error).  See bug 154598 for more info.
+	 */
+	MetaWindow* expected_focus_window;
+
+	/* last timestamp passed to XSetInputFocus */
+	guint32 last_focus_time;
+
+	/* last user interaction time in any app */
+	guint32 last_user_time;
+
+	/* whether we're using mousenav (only relevant for sloppy&mouse focus modes;
+	 * !mouse_mode means "keynav mode")
+	 */
+	guint mouse_mode: 1;
+
+	/* Helper var used when focus_new_windows setting is 'strict'; only
+	 * relevant in 'strict' mode and if the focus window is a terminal.
+	 * In that case, we don't allow new windows to take focus away from
+	 * a terminal, but if the user explicitly did something that should
+	 * allow a different window to gain focus (e.g. global keybinding or
+	 * clicking on a dock), then we will allow the transfer.
+	 */
+	guint allow_terminal_deactivation: 1;
+
+	guint static_gravity_works: 1;
+
+	/*< private-ish >*/
+	guint error_trap_synced_at_last_pop: 1;
+	MetaEventQueue* events;
+	GSList* screens;
+	MetaScreen* active_screen;
+	GHashTable* window_ids;
+	int error_traps;
+	int (*error_trap_handler) (Display* display, XErrorEvent* error);  
+	int server_grab_count;
+
+	/* serials of leave/unmap events that may
+	 * correspond to an enter event we should
+	 * ignore
+	 */
+	unsigned long ignored_serials[N_IGNORED_SERIALS];
+	Window ungrab_should_not_cause_focus_window;
+  
+	guint32 current_time;
+
+	/* Pings which we're waiting for a reply from */
+	GSList* pending_pings;
+
+	/* Pending autoraise */
+	guint       autoraise_timeout_id;
+	MetaWindow* autoraise_window;
+
+	/* Alt+click button grabs */
+	unsigned int window_grab_modifiers;
+
+	/* current window operation */
+	MetaGrabOp  grab_op;
+	MetaScreen* grab_screen;
+	MetaWindow* grab_window;
+	Window      grab_xwindow;
+	int         grab_button;
+	int         grab_anchor_root_x;
+	int         grab_anchor_root_y;
+	MetaRectangle grab_anchor_window_pos;
+	int         grab_latest_motion_x;
+	int         grab_latest_motion_y;
+	gulong      grab_mask;
+	guint       grab_have_pointer : 1;
+	guint       grab_have_keyboard : 1;
+	guint       grab_wireframe_active : 1;
+	guint       grab_was_cancelled : 1;    /* Only used in wireframe mode */
+	guint       grab_frame_action : 1;
+	MetaRectangle grab_wireframe_rect;
+	MetaRectangle grab_wireframe_last_xor_rect;
+	MetaRectangle grab_initial_window_pos;
+	int         grab_initial_x, grab_initial_y;  /* These are only relevant for */
+	gboolean    grab_threshold_movement_reached; /* raise_on_click == FALSE.    */
+	MetaResizePopup* grab_resize_popup;
+	GTimeVal    grab_last_moveresize_time;
+	guint32     grab_motion_notify_time;
+	int         grab_wireframe_last_display_width;
+	int         grab_wireframe_last_display_height;
+	GList*      grab_old_window_stacking;
+	MetaEdgeResistanceData* grab_edge_resistance_data;
+	unsigned int grab_last_user_action_was_snap;
+
+	/* we use property updates as sentinels for certain window focus events
+	 * to avoid some race conditions on EnterNotify events
+	 */
+	int         sentinel_counter;
+
+	#ifdef HAVE_XKB
+		int         xkb_base_event_type;
+		guint32     last_bell_time;
+	#endif
+	
+	#ifdef HAVE_XSYNC
+		/* alarm monitoring client's _NET_WM_SYNC_REQUEST_COUNTER */
+		XSyncAlarm  grab_sync_request_alarm;
+	#endif
+	
+	int       grab_resize_timeout_id;
+
+	/* Keybindings stuff */
+	MetaKeyBinding* key_bindings;
+	int             n_key_bindings;
+	int             min_keycode;
+	int             max_keycode;
+	KeySym* keymap;
+	int keysyms_per_keycode;
+	XModifierKeymap* modmap;
+	unsigned int ignored_modifier_mask;
+	unsigned int num_lock_mask;
+	unsigned int scroll_lock_mask;
+	unsigned int hyper_mask;
+	unsigned int super_mask;
+	unsigned int meta_mask;
+
+	/* Xinerama cache */
+	unsigned int xinerama_cache_invalidated: 1;
+
+	/* Opening the display */
+	unsigned int display_opening: 1;
+
+	/* Closing down the display */
+	int closing;
+
+	/* To detect double clicks
+	 *
+	 * https://github.com/stefano-k/Mate-Desktop-Environment/commit/b0e5fb03eb21dae8f02692f11ef391bfc5ccba33
+	 */
+	guint button_click_number;
+	Window button_click_window;
+	int button_click_x;
+	int button_click_y;
+	guint32 button_click_time;
+
+	/* Managed by group.c */
+	GHashTable* groups_by_leader;
+
+	/* currently-active window menu if any */
+	MetaWindowMenu* window_menu;
+	MetaWindow* window_with_menu;
+
+	/* Managed by window-props.c */
+	gpointer* prop_hooks_table;
+	GHashTable* prop_hooks;
+
+	/* Managed by group-props.c */
+	MetaGroupPropHooks* group_prop_hooks;
+
+	/* Managed by compositor.c */
+	MetaCompositor* compositor;
+  
+	#ifdef HAVE_STARTUP_NOTIFICATION
+		SnDisplay* sn_display;
+	#endif
+	
+	#ifdef HAVE_XSYNC
+		int xsync_event_base;
+		int xsync_error_base;
+	#endif
+	
+	#ifdef HAVE_SHAPE
+		int shape_event_base;
+		int shape_error_base;
+	#endif
+	
+	#ifdef HAVE_RENDER
+		int render_event_base;
+		int render_error_base;
+	#endif
+	
+	#ifdef HAVE_COMPOSITE_EXTENSIONS
+		int composite_event_base;
+		int composite_error_base;
+		int composite_major_version;
+		int composite_minor_version;
+		int damage_event_base;
+		int damage_error_base;
+		int xfixes_event_base;
+		int xfixes_error_base;
+	#endif
+	
+	#ifdef HAVE_XSYNC
+		unsigned int have_xsync : 1;
+		#define META_DISPLAY_HAS_XSYNC(display) ((display)->have_xsync)
+	#else
+		#define META_DISPLAY_HAS_XSYNC(display) FALSE
+	#endif
+	
+	#ifdef HAVE_SHAPE
+		unsigned int have_shape : 1;
+		#define META_DISPLAY_HAS_SHAPE(display) ((display)->have_shape)
+	#else
+		#define META_DISPLAY_HAS_SHAPE(display) FALSE
+	#endif
+	
+	#ifdef HAVE_RENDER
+		unsigned int have_render : 1;
+		#define META_DISPLAY_HAS_RENDER(display) ((display)->have_render)
+	#else
+		#define META_DISPLAY_HAS_RENDER(display) FALSE
+	#endif
+	
+	#ifdef HAVE_COMPOSITE_EXTENSIONS
+		unsigned int have_composite : 1;
+		unsigned int have_damage : 1;
+		unsigned int have_xfixes : 1;
+		#define META_DISPLAY_HAS_COMPOSITE(display) ((display)->have_composite)
+		#define META_DISPLAY_HAS_DAMAGE(display) ((display)->have_damage)
+		#define META_DISPLAY_HAS_XFIXES(display) ((display)->have_xfixes)
+	#else
+		#define META_DISPLAY_HAS_COMPOSITE(display) FALSE
+		#define META_DISPLAY_HAS_DAMAGE(display) FALSE
+		#define META_DISPLAY_HAS_XFIXES(display) FALSE
+	#endif
+};
+
+/* Xserver time can wraparound, thus comparing two timestamps needs to take
+ * this into account.  Here's a little macro to help out.  If no wraparound
+ * has occurred, this is equivalent to
+ *   time1 < time2
+ * Of course, the rest of the ugliness of this macro comes from accounting
+ * for the fact that wraparound can occur and the fact that a timestamp of
+ * 0 must be special-cased since it means older than anything else. 
+ *
+ * Note that this is NOT an equivalent for time1 <= time2; if that's what
+ * you need then you'll need to swap the order of the arguments and negate
+ * the result.
+ */
+#define XSERVER_TIME_IS_BEFORE_ASSUMING_REAL_TIMESTAMPS(time1, time2) \
+	( (( (time1) < (time2) ) && ( (time2) - (time1) < ((guint32)-1)/2 )) || \
+		(( (time1) > (time2) ) && ( (time1) - (time2) > ((guint32)-1)/2 )) \
+	)
+#define XSERVER_TIME_IS_BEFORE(time1, time2) \
+	( (time1) == 0 || \
+		(XSERVER_TIME_IS_BEFORE_ASSUMING_REAL_TIMESTAMPS(time1, time2) && \
+		(time2) != 0) \
+	)
+
+gboolean      meta_display_open                (void);
+void          meta_display_close               (MetaDisplay *display,
+                                                guint32      timestamp);
+MetaScreen*   meta_display_screen_for_x_screen (MetaDisplay *display,
+                                                Screen      *screen);
+MetaScreen*   meta_display_screen_for_xwindow  (MetaDisplay *display,
+                                                Window       xindow);
+void          meta_display_grab                (MetaDisplay *display);
+void          meta_display_ungrab              (MetaDisplay *display);
+
+void          meta_display_unmanage_screen     (MetaDisplay **display,
+                                                MetaScreen  *screen,
+                                                guint32      timestamp);
+
+void          meta_display_unmanage_windows_for_screen (MetaDisplay *display,
+                                                        MetaScreen  *screen,
+                                                        guint32      timestamp);
+
+/* Utility function to compare the stacking of two windows */
+int           meta_display_stack_cmp           (const void *a,
+                                                const void *b);
+
+/* A given MetaWindow may have various X windows that "belong"
+ * to it, such as the frame window.
+ */
+MetaWindow* meta_display_lookup_x_window     (MetaDisplay *display,
+                                              Window       xwindow);
+void        meta_display_register_x_window   (MetaDisplay *display,
+                                              Window      *xwindowp,
+                                              MetaWindow  *window);
+void        meta_display_unregister_x_window (MetaDisplay *display,
+                                              Window       xwindow);
+/* Return whether the xwindow is a no focus window for any of the screens */
+gboolean    meta_display_xwindow_is_a_no_focus_window (MetaDisplay *display,
+                                                       Window xwindow);
+
+GSList*     meta_display_list_windows        (MetaDisplay *display);
+
+MetaDisplay* meta_display_for_x_display  (Display     *xdisplay);
+MetaDisplay* meta_get_display            (void);
+
+Cursor         meta_display_create_x_cursor (MetaDisplay *display,
+                                             MetaCursor   cursor);
+
+void     meta_display_set_grab_op_cursor (MetaDisplay *display,
+                                          MetaScreen  *screen,
+                                          MetaGrabOp   op,
+                                          gboolean     change_pointer,
+                                          Window       grab_xwindow,
+                                          guint32      timestamp);
+
+gboolean meta_display_begin_grab_op (MetaDisplay *display,
+                                     MetaScreen  *screen,
+                                     MetaWindow  *window,
+                                     MetaGrabOp   op,
+                                     gboolean     pointer_already_grabbed,
+                                     gboolean     frame_action,
+                                     int          button,
+                                     gulong       modmask,
+                                     guint32      timestamp,
+                                     int          root_x,
+                                     int          root_y);
+void     meta_display_end_grab_op   (MetaDisplay *display,
+                                     guint32      timestamp);
+
+void    meta_display_check_threshold_reached (MetaDisplay *display,
+                                              int          x,
+                                              int          y);
+void     meta_display_grab_window_buttons    (MetaDisplay *display,
+                                              Window       xwindow);
+void     meta_display_ungrab_window_buttons  (MetaDisplay *display,
+                                              Window       xwindow);
+
+void meta_display_grab_focus_window_button   (MetaDisplay *display,
+                                              MetaWindow  *window);
+void meta_display_ungrab_focus_window_button (MetaDisplay *display,
+                                              MetaWindow  *window);
+
+/* Next two functions are defined in edge-resistance.c */
+void meta_display_compute_resistance_and_snapping_edges (MetaDisplay *display);
+void meta_display_cleanup_edges                         (MetaDisplay *display);
+
+/* make a request to ensure the event serial has changed */
+void     meta_display_increment_event_serial (MetaDisplay *display);
+
+void     meta_display_update_active_window_hint (MetaDisplay *display);
+
+guint32  meta_display_get_current_time           (MetaDisplay *display);
+guint32  meta_display_get_current_time_roundtrip (MetaDisplay *display);
+
+/* utility goo */
+const char* meta_event_mode_to_string   (int m);
+const char* meta_event_detail_to_string (int d);
+
+void meta_display_queue_retheme_all_windows (MetaDisplay *display);
+void meta_display_retheme_all (void);
+
+void meta_display_set_cursor_theme (const char *theme, 
+				    int         size);
+
+void meta_display_ping_window      (MetaDisplay        *display,
+                                    MetaWindow         *window,
+                                    guint32             timestamp,
+                                    MetaWindowPingFunc  ping_reply_func,
+                                    MetaWindowPingFunc  ping_timeout_func,
+                                    void               *user_data);
+gboolean meta_display_window_has_pending_pings (MetaDisplay        *display,
+						MetaWindow         *window);
+
+typedef enum
+{
+  META_TAB_LIST_NORMAL,
+  META_TAB_LIST_DOCKS,
+  META_TAB_LIST_GROUP
+} MetaTabList;
+
+typedef enum
+{
+  META_TAB_SHOW_ICON,      /* Alt-Tab mode */
+  META_TAB_SHOW_INSTANTLY  /* Alt-Esc mode */
+} MetaTabShowType;
+
+GList* meta_display_get_tab_list (MetaDisplay   *display,
+                                  MetaTabList    type,
+                                  MetaScreen    *screen,
+                                  MetaWorkspace *workspace);
+
+MetaWindow* meta_display_get_tab_next (MetaDisplay   *display,
+                                       MetaTabList    type,
+				       MetaScreen    *screen,
+                                       MetaWorkspace *workspace,
+                                       MetaWindow    *window,
+                                       gboolean       backward);
+
+MetaWindow* meta_display_get_tab_current (MetaDisplay   *display,
+                                          MetaTabList    type,
+                                          MetaScreen    *screen,
+                                          MetaWorkspace *workspace);
+
+int meta_resize_gravity_from_grab_op (MetaGrabOp op);
+
+gboolean meta_grab_op_is_moving   (MetaGrabOp op);
+gboolean meta_grab_op_is_resizing (MetaGrabOp op);
+
+void meta_display_devirtualize_modifiers (MetaDisplay        *display,
+                                          MetaVirtualModifier modifiers,
+                                          unsigned int       *mask);
+
+void meta_display_increment_focus_sentinel (MetaDisplay *display);
+void meta_display_decrement_focus_sentinel (MetaDisplay *display);
+gboolean meta_display_focus_sentinel_clear (MetaDisplay *display);
+
+/* meta_display_set_input_focus_window is like XSetInputFocus, except
+ * that (a) it can't detect timestamps later than the current time,
+ * since Marco isn't part of the XServer, and thus gives erroneous
+ * behavior in this circumstance (so don't do it), (b) it uses
+ * display->last_focus_time since we don't have access to the true
+ * Xserver one, (c) it makes use of display->user_time since checking
+ * whether a window should be allowed to be focused should depend
+ * on user_time events (see bug 167358, comment 15 in particular)
+ */
+void meta_display_set_input_focus_window   (MetaDisplay *display, 
+                                            MetaWindow  *window,
+                                            gboolean     focus_frame,
+                                            guint32      timestamp);
+
+/* meta_display_focus_the_no_focus_window is called when the
+ * designated no_focus_window should be focused, but is otherwise the
+ * same as meta_display_set_input_focus_window
+ */
+void meta_display_focus_the_no_focus_window (MetaDisplay *display, 
+                                             MetaScreen  *screen,
+                                             guint32      timestamp);
+
+void meta_display_queue_autoraise_callback  (MetaDisplay *display,
+                                             MetaWindow  *window);
+void meta_display_remove_autoraise_callback (MetaDisplay *display);
+
+#endif /* META_DISPLAY_PRIVATE_H */