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313e3e771c
Unlike g_* logging utilities, the meta_* counterparts behave like odd printf() functions. Lets change that so they fit better into how logging is done everywhere else. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1466
943 lines
27 KiB
C
943 lines
27 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* Mutter window placement */
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/*
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* Copyright (C) 2001 Havoc Pennington
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* Copyright (C) 2002, 2003 Red Hat, Inc.
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* Copyright (C) 2003 Rob Adams
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* Copyright (C) 2005 Elijah Newren
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "core/place.h"
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#include <gdk/gdk.h>
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#include <math.h>
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#include <stdlib.h>
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#include "backends/meta-backend-private.h"
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#include "backends/meta-logical-monitor.h"
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#include "core/boxes-private.h"
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#include "meta/meta-backend.h"
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#include "meta/prefs.h"
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#include "meta/workspace.h"
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typedef enum
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{
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META_LEFT,
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META_RIGHT,
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META_TOP,
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META_BOTTOM
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} MetaWindowDirection;
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static gint
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northwestcmp (gconstpointer a, gconstpointer b)
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{
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MetaWindow *aw = (gpointer) a;
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MetaWindow *bw = (gpointer) b;
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MetaRectangle a_frame;
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MetaRectangle b_frame;
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int from_origin_a;
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int from_origin_b;
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int ax, ay, bx, by;
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meta_window_get_frame_rect (aw, &a_frame);
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meta_window_get_frame_rect (bw, &b_frame);
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ax = a_frame.x;
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ay = a_frame.y;
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bx = b_frame.x;
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by = b_frame.y;
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/* probably there's a fast good-enough-guess we could use here. */
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from_origin_a = sqrt (ax * ax + ay * ay);
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from_origin_b = sqrt (bx * bx + by * by);
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if (from_origin_a < from_origin_b)
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return -1;
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else if (from_origin_a > from_origin_b)
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return 1;
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else
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return 0;
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}
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static void
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find_next_cascade (MetaWindow *window,
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/* visible windows on relevant workspaces */
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GList *windows,
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int x,
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int y,
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int *new_x,
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int *new_y)
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{
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MetaBackend *backend = meta_get_backend ();
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GList *tmp;
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GList *sorted;
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int cascade_x, cascade_y;
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MetaRectangle titlebar_rect;
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int x_threshold, y_threshold;
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MetaRectangle frame_rect;
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int window_width, window_height;
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int cascade_stage;
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MetaRectangle work_area;
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MetaLogicalMonitor *current;
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sorted = g_list_copy (windows);
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sorted = g_list_sort (sorted, northwestcmp);
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/* This is a "fuzzy" cascade algorithm.
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* For each window in the list, we find where we'd cascade a
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* new window after it. If a window is already nearly at that
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* position, we move on.
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*/
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/* arbitrary-ish threshold, honors user attempts to
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* manually cascade.
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*/
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#define CASCADE_FUZZ 15
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meta_window_get_titlebar_rect (window, &titlebar_rect);
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x_threshold = MAX (titlebar_rect.x, CASCADE_FUZZ);
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y_threshold = MAX (titlebar_rect.y, CASCADE_FUZZ);
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/* Find furthest-SE origin of all workspaces.
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* cascade_x, cascade_y are the target position
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* of NW corner of window frame.
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*/
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current = meta_backend_get_current_logical_monitor (backend);
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meta_window_get_work_area_for_logical_monitor (window, current, &work_area);
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cascade_x = MAX (0, work_area.x);
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cascade_y = MAX (0, work_area.y);
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/* Find first cascade position that's not used. */
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meta_window_get_frame_rect (window, &frame_rect);
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window_width = frame_rect.width;
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window_height = frame_rect.height;
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cascade_stage = 0;
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tmp = sorted;
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while (tmp != NULL)
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{
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MetaWindow *w;
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MetaRectangle w_frame_rect;
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int wx, wy;
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w = tmp->data;
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/* we want frame position, not window position */
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meta_window_get_frame_rect (w, &w_frame_rect);
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wx = w_frame_rect.x;
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wy = w_frame_rect.y;
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if (ABS (wx - cascade_x) < x_threshold &&
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ABS (wy - cascade_y) < y_threshold)
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{
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meta_window_get_titlebar_rect (w, &titlebar_rect);
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/* Cascade the window evenly by the titlebar height; this isn't a typo. */
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cascade_x = wx + titlebar_rect.height;
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cascade_y = wy + titlebar_rect.height;
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/* If we go off the screen, start over with a new cascade */
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if (((cascade_x + window_width) >
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(work_area.x + work_area.width)) ||
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((cascade_y + window_height) >
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(work_area.y + work_area.height)))
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{
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cascade_x = MAX (0, work_area.x);
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cascade_y = MAX (0, work_area.y);
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#define CASCADE_INTERVAL 50 /* space between top-left corners of cascades */
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cascade_stage += 1;
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cascade_x += CASCADE_INTERVAL * cascade_stage;
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/* start over with a new cascade translated to the right, unless
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* we are out of space
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*/
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if ((cascade_x + window_width) <
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(work_area.x + work_area.width))
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{
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tmp = sorted;
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continue;
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}
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else
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{
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/* All out of space, this cascade_x won't work */
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cascade_x = MAX (0, work_area.x);
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break;
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}
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}
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}
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else
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{
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/* Keep searching for a further-down-the-diagonal window. */
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}
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tmp = tmp->next;
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}
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/* cascade_x and cascade_y will match the last window in the list
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* that was "in the way" (in the approximate cascade diagonal)
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*/
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g_list_free (sorted);
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*new_x = cascade_x;
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*new_y = cascade_y;
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}
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static void
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find_most_freespace (MetaWindow *window,
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/* visible windows on relevant workspaces */
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MetaWindow *focus_window,
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int x,
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int y,
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int *new_x,
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int *new_y)
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{
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MetaWindowDirection side;
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int max_area;
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int max_width, max_height, left, right, top, bottom;
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int left_space, right_space, top_space, bottom_space;
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MetaRectangle work_area;
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MetaRectangle avoid;
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MetaRectangle frame_rect;
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meta_window_get_work_area_current_monitor (focus_window, &work_area);
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meta_window_get_frame_rect (focus_window, &avoid);
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meta_window_get_frame_rect (window, &frame_rect);
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/* Find the areas of choosing the various sides of the focus window */
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max_width = MIN (avoid.width, frame_rect.width);
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max_height = MIN (avoid.height, frame_rect.height);
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left_space = avoid.x - work_area.x;
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right_space = work_area.width - (avoid.x + avoid.width - work_area.x);
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top_space = avoid.y - work_area.y;
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bottom_space = work_area.height - (avoid.y + avoid.height - work_area.y);
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left = MIN (left_space, frame_rect.width);
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right = MIN (right_space, frame_rect.width);
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top = MIN (top_space, frame_rect.height);
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bottom = MIN (bottom_space, frame_rect.height);
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/* Find out which side of the focus_window can show the most of the window */
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side = META_LEFT;
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max_area = left*max_height;
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if (right*max_height > max_area)
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{
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side = META_RIGHT;
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max_area = right*max_height;
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}
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if (top*max_width > max_area)
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{
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side = META_TOP;
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max_area = top*max_width;
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}
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if (bottom*max_width > max_area)
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{
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side = META_BOTTOM;
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max_area = bottom*max_width;
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}
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/* Give up if there's no where to put it (i.e. focus window is maximized) */
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if (max_area == 0)
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return;
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/* Place the window on the relevant side; if the whole window fits,
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* make it adjacent to the focus window; if not, make sure the
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* window doesn't go off the edge of the screen.
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*/
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switch (side)
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{
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case META_LEFT:
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*new_y = avoid.y;
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if (left_space > frame_rect.width)
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*new_x = avoid.x - frame_rect.width;
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else
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*new_x = work_area.x;
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break;
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case META_RIGHT:
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*new_y = avoid.y;
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if (right_space > frame_rect.width)
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*new_x = avoid.x + avoid.width;
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else
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*new_x = work_area.x + work_area.width - frame_rect.width;
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break;
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case META_TOP:
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*new_x = avoid.x;
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if (top_space > frame_rect.height)
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*new_y = avoid.y - frame_rect.height;
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else
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*new_y = work_area.y;
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break;
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case META_BOTTOM:
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*new_x = avoid.x;
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if (bottom_space > frame_rect.height)
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*new_y = avoid.y + avoid.height;
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else
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*new_y = work_area.y + work_area.height - frame_rect.height;
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break;
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}
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}
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static gboolean
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window_overlaps_focus_window (MetaWindow *window)
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{
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MetaWindow *focus_window;
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MetaRectangle window_frame, focus_frame, overlap;
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focus_window = window->display->focus_window;
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if (focus_window == NULL)
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return FALSE;
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meta_window_get_frame_rect (window, &window_frame);
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meta_window_get_frame_rect (focus_window, &focus_frame);
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return meta_rectangle_intersect (&window_frame,
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&focus_frame,
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&overlap);
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}
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static gboolean
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window_place_centered (MetaWindow *window)
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{
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MetaWindowType type;
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type = window->type;
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return (type == META_WINDOW_DIALOG ||
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type == META_WINDOW_MODAL_DIALOG ||
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type == META_WINDOW_SPLASHSCREEN ||
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(type == META_WINDOW_NORMAL && meta_prefs_get_center_new_windows ()));
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}
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static void
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avoid_being_obscured_as_second_modal_dialog (MetaWindow *window,
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int *x,
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int *y)
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{
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/* We can't center this dialog if it was denied focus and it
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* overlaps with the focus window and this dialog is modal and this
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* dialog is in the same app as the focus window (*phew*...please
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* don't make me say that ten times fast). See bug 307875 comment 11
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* and 12 for details, but basically it means this is probably a
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* second modal dialog for some app while the focus window is the
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* first modal dialog. We should probably make them simultaneously
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* visible in general, but it becomes mandatory to do so due to
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* buggy apps (e.g. those using gtk+ *sigh*) because in those cases
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* this second modal dialog also happens to be modal to the first
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* dialog in addition to the main window, while it has only let us
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* know about the modal-to-the-main-window part.
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*/
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MetaWindow *focus_window;
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focus_window = window->display->focus_window;
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/* denied_focus_and_not_transient is only set when focus_window != NULL */
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if (window->denied_focus_and_not_transient &&
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window->type == META_WINDOW_MODAL_DIALOG &&
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meta_window_same_application (window, focus_window) &&
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window_overlaps_focus_window (window))
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{
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find_most_freespace (window, focus_window, *x, *y, x, y);
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meta_topic (META_DEBUG_PLACEMENT,
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"Dialog window %s was denied focus but may be modal "
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"to the focus window; had to move it to avoid the "
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"focus window",
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window->desc);
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}
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}
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static gboolean
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rectangle_overlaps_some_window (MetaRectangle *rect,
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GList *windows)
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{
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GList *tmp;
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MetaRectangle dest;
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tmp = windows;
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while (tmp != NULL)
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{
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MetaWindow *other = tmp->data;
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MetaRectangle other_rect;
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switch (other->type)
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{
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case META_WINDOW_DOCK:
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case META_WINDOW_SPLASHSCREEN:
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case META_WINDOW_DESKTOP:
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case META_WINDOW_DIALOG:
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case META_WINDOW_MODAL_DIALOG:
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/* override redirect window types: */
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case META_WINDOW_DROPDOWN_MENU:
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case META_WINDOW_POPUP_MENU:
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case META_WINDOW_TOOLTIP:
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case META_WINDOW_NOTIFICATION:
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case META_WINDOW_COMBO:
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case META_WINDOW_DND:
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case META_WINDOW_OVERRIDE_OTHER:
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break;
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case META_WINDOW_NORMAL:
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case META_WINDOW_UTILITY:
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case META_WINDOW_TOOLBAR:
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case META_WINDOW_MENU:
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meta_window_get_frame_rect (other, &other_rect);
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if (meta_rectangle_intersect (rect, &other_rect, &dest))
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return TRUE;
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break;
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}
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tmp = tmp->next;
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}
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return FALSE;
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}
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static gint
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leftmost_cmp (gconstpointer a, gconstpointer b)
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{
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MetaWindow *aw = (gpointer) a;
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MetaWindow *bw = (gpointer) b;
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MetaRectangle a_frame;
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MetaRectangle b_frame;
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int ax, bx;
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meta_window_get_frame_rect (aw, &a_frame);
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meta_window_get_frame_rect (bw, &b_frame);
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ax = a_frame.x;
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bx = b_frame.x;
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if (ax < bx)
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return -1;
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else if (ax > bx)
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return 1;
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else
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return 0;
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}
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static gint
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topmost_cmp (gconstpointer a, gconstpointer b)
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{
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MetaWindow *aw = (gpointer) a;
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MetaWindow *bw = (gpointer) b;
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MetaRectangle a_frame;
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MetaRectangle b_frame;
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int ay, by;
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meta_window_get_frame_rect (aw, &a_frame);
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meta_window_get_frame_rect (bw, &b_frame);
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ay = a_frame.y;
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by = b_frame.y;
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if (ay < by)
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return -1;
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else if (ay > by)
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return 1;
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else
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return 0;
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}
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static void
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center_tile_rect_in_area (MetaRectangle *rect,
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MetaRectangle *work_area)
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{
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int fluff;
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/* The point here is to tile a window such that "extra"
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* space is equal on either side (i.e. so a full screen
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* of windows tiled this way would center the windows
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* as a group)
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*/
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fluff = (work_area->width % (rect->width+1)) / 2;
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rect->x = work_area->x + fluff;
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fluff = (work_area->height % (rect->height+1)) / 3;
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rect->y = work_area->y + fluff;
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}
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/* Find the leftmost, then topmost, empty area on the workspace
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* that can contain the new window.
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*
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* Cool feature to have: if we can't fit the current window size,
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* try shrinking the window (within geometry constraints). But
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* beware windows such as Emacs with no sane minimum size, we
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* don't want to create a 1x1 Emacs.
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*/
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static gboolean
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find_first_fit (MetaWindow *window,
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/* visible windows on relevant workspaces */
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GList *windows,
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MetaLogicalMonitor *logical_monitor,
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int x,
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int y,
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int *new_x,
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int *new_y)
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{
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/* This algorithm is limited - it just brute-force tries
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* to fit the window in a small number of locations that are aligned
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* with existing windows. It tries to place the window on
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* the bottom of each existing window, and then to the right
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* of each existing window, aligned with the left/top of the
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* existing window in each of those cases.
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*/
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int retval;
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GList *below_sorted;
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GList *right_sorted;
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GList *tmp;
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MetaRectangle rect;
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MetaRectangle work_area;
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retval = FALSE;
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/* Below each window */
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below_sorted = g_list_copy (windows);
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below_sorted = g_list_sort (below_sorted, leftmost_cmp);
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below_sorted = g_list_sort (below_sorted, topmost_cmp);
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/* To the right of each window */
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right_sorted = g_list_copy (windows);
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right_sorted = g_list_sort (right_sorted, topmost_cmp);
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|
right_sorted = g_list_sort (right_sorted, leftmost_cmp);
|
|
|
|
meta_window_get_frame_rect (window, &rect);
|
|
|
|
#ifdef WITH_VERBOSE_MODE
|
|
{
|
|
char monitor_location_string[RECT_LENGTH];
|
|
|
|
meta_rectangle_to_string (&logical_monitor->rect,
|
|
monitor_location_string);
|
|
meta_topic (META_DEBUG_PLACEMENT,
|
|
"Natural monitor is %s",
|
|
monitor_location_string);
|
|
}
|
|
#endif
|
|
|
|
meta_window_get_work_area_for_logical_monitor (window,
|
|
logical_monitor,
|
|
&work_area);
|
|
|
|
center_tile_rect_in_area (&rect, &work_area);
|
|
|
|
if (meta_rectangle_contains_rect (&work_area, &rect) &&
|
|
!rectangle_overlaps_some_window (&rect, windows))
|
|
{
|
|
*new_x = rect.x;
|
|
*new_y = rect.y;
|
|
|
|
retval = TRUE;
|
|
|
|
goto out;
|
|
}
|
|
|
|
/* try below each window */
|
|
tmp = below_sorted;
|
|
while (tmp != NULL)
|
|
{
|
|
MetaWindow *w = tmp->data;
|
|
MetaRectangle frame_rect;
|
|
|
|
meta_window_get_frame_rect (w, &frame_rect);
|
|
|
|
rect.x = frame_rect.x;
|
|
rect.y = frame_rect.y + frame_rect.height;
|
|
|
|
if (meta_rectangle_contains_rect (&work_area, &rect) &&
|
|
!rectangle_overlaps_some_window (&rect, below_sorted))
|
|
{
|
|
*new_x = rect.x;
|
|
*new_y = rect.y;
|
|
|
|
retval = TRUE;
|
|
|
|
goto out;
|
|
}
|
|
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
/* try to the right of each window */
|
|
tmp = right_sorted;
|
|
while (tmp != NULL)
|
|
{
|
|
MetaWindow *w = tmp->data;
|
|
MetaRectangle frame_rect;
|
|
|
|
meta_window_get_frame_rect (w, &frame_rect);
|
|
|
|
rect.x = frame_rect.x + frame_rect.width;
|
|
rect.y = frame_rect.y;
|
|
|
|
if (meta_rectangle_contains_rect (&work_area, &rect) &&
|
|
!rectangle_overlaps_some_window (&rect, right_sorted))
|
|
{
|
|
*new_x = rect.x;
|
|
*new_y = rect.y;
|
|
|
|
retval = TRUE;
|
|
|
|
goto out;
|
|
}
|
|
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
out:
|
|
g_list_free (below_sorted);
|
|
g_list_free (right_sorted);
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
meta_window_process_placement (MetaWindow *window,
|
|
MetaPlacementRule *placement_rule,
|
|
int *rel_x,
|
|
int *rel_y)
|
|
{
|
|
MetaRectangle anchor_rect;
|
|
int window_width, window_height;
|
|
int x, y;
|
|
|
|
window_width = placement_rule->width;
|
|
window_height = placement_rule->height;
|
|
|
|
anchor_rect = placement_rule->anchor_rect;
|
|
|
|
/* Place at anchor point. */
|
|
if (placement_rule->anchor & META_PLACEMENT_ANCHOR_LEFT)
|
|
x = anchor_rect.x;
|
|
else if (placement_rule->anchor & META_PLACEMENT_ANCHOR_RIGHT)
|
|
x = anchor_rect.x + anchor_rect.width;
|
|
else
|
|
x = anchor_rect.x + (anchor_rect.width / 2);
|
|
if (placement_rule->anchor & META_PLACEMENT_ANCHOR_TOP)
|
|
y = anchor_rect.y;
|
|
else if (placement_rule->anchor & META_PLACEMENT_ANCHOR_BOTTOM)
|
|
y = anchor_rect.y + anchor_rect.height;
|
|
else
|
|
y = anchor_rect.y + (anchor_rect.height / 2);
|
|
|
|
/* Shift according to gravity. */
|
|
if (placement_rule->gravity & META_PLACEMENT_GRAVITY_LEFT)
|
|
x -= window_width;
|
|
else if (placement_rule->gravity & META_PLACEMENT_GRAVITY_RIGHT)
|
|
x = x;
|
|
else
|
|
x -= window_width / 2;
|
|
if (placement_rule->gravity & META_PLACEMENT_GRAVITY_TOP)
|
|
y -= window_height;
|
|
else if (placement_rule->gravity & META_PLACEMENT_GRAVITY_BOTTOM)
|
|
y = y;
|
|
else
|
|
y -= window_height / 2;
|
|
|
|
/* Offset according to offset. */
|
|
x += placement_rule->offset_x;
|
|
y += placement_rule->offset_y;
|
|
|
|
*rel_x = x;
|
|
*rel_y = y;
|
|
}
|
|
|
|
void
|
|
meta_window_place (MetaWindow *window,
|
|
int x,
|
|
int y,
|
|
int *new_x,
|
|
int *new_y)
|
|
{
|
|
MetaBackend *backend = meta_get_backend ();
|
|
GList *windows = NULL;
|
|
MetaLogicalMonitor *logical_monitor;
|
|
|
|
meta_topic (META_DEBUG_PLACEMENT, "Placing window %s", window->desc);
|
|
|
|
g_return_if_fail (!window->placement.rule);
|
|
|
|
switch (window->type)
|
|
{
|
|
/* Run placement algorithm on these. */
|
|
case META_WINDOW_NORMAL:
|
|
case META_WINDOW_DIALOG:
|
|
case META_WINDOW_MODAL_DIALOG:
|
|
case META_WINDOW_SPLASHSCREEN:
|
|
break;
|
|
|
|
/* Assume the app knows best how to place these, no placement
|
|
* algorithm ever (other than "leave them as-is")
|
|
*/
|
|
case META_WINDOW_DESKTOP:
|
|
case META_WINDOW_DOCK:
|
|
case META_WINDOW_TOOLBAR:
|
|
case META_WINDOW_MENU:
|
|
case META_WINDOW_UTILITY:
|
|
/* override redirect window types: */
|
|
case META_WINDOW_DROPDOWN_MENU:
|
|
case META_WINDOW_POPUP_MENU:
|
|
case META_WINDOW_TOOLTIP:
|
|
case META_WINDOW_NOTIFICATION:
|
|
case META_WINDOW_COMBO:
|
|
case META_WINDOW_DND:
|
|
case META_WINDOW_OVERRIDE_OTHER:
|
|
goto done;
|
|
}
|
|
|
|
if (meta_prefs_get_disable_workarounds ())
|
|
{
|
|
switch (window->type)
|
|
{
|
|
/* Only accept USPosition on normal windows because the app is full
|
|
* of shit claiming the user set -geometry for a dialog or dock
|
|
*/
|
|
case META_WINDOW_NORMAL:
|
|
if (window->size_hints.flags & USPosition)
|
|
{
|
|
/* don't constrain with placement algorithm */
|
|
meta_topic (META_DEBUG_PLACEMENT,
|
|
"Honoring USPosition for %s instead of using placement algorithm",
|
|
window->desc);
|
|
|
|
goto done;
|
|
}
|
|
break;
|
|
|
|
/* Ignore even USPosition on dialogs, splashscreen */
|
|
case META_WINDOW_DIALOG:
|
|
case META_WINDOW_MODAL_DIALOG:
|
|
case META_WINDOW_SPLASHSCREEN:
|
|
break;
|
|
|
|
/* Assume the app knows best how to place these. */
|
|
case META_WINDOW_DESKTOP:
|
|
case META_WINDOW_DOCK:
|
|
case META_WINDOW_TOOLBAR:
|
|
case META_WINDOW_MENU:
|
|
case META_WINDOW_UTILITY:
|
|
/* override redirect window types: */
|
|
case META_WINDOW_DROPDOWN_MENU:
|
|
case META_WINDOW_POPUP_MENU:
|
|
case META_WINDOW_TOOLTIP:
|
|
case META_WINDOW_NOTIFICATION:
|
|
case META_WINDOW_COMBO:
|
|
case META_WINDOW_DND:
|
|
case META_WINDOW_OVERRIDE_OTHER:
|
|
if (window->size_hints.flags & PPosition)
|
|
{
|
|
meta_topic (META_DEBUG_PLACEMENT,
|
|
"Not placing non-normal non-dialog window with PPosition set");
|
|
goto done;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* workarounds enabled */
|
|
|
|
if ((window->size_hints.flags & PPosition) ||
|
|
(window->size_hints.flags & USPosition))
|
|
{
|
|
meta_topic (META_DEBUG_PLACEMENT,
|
|
"Not placing window with PPosition or USPosition set");
|
|
avoid_being_obscured_as_second_modal_dialog (window, &x, &y);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (window->type == META_WINDOW_DIALOG ||
|
|
window->type == META_WINDOW_MODAL_DIALOG)
|
|
{
|
|
MetaWindow *parent = meta_window_get_transient_for (window);
|
|
|
|
if (parent)
|
|
{
|
|
MetaRectangle frame_rect, parent_frame_rect;
|
|
|
|
meta_window_get_frame_rect (window, &frame_rect);
|
|
meta_window_get_frame_rect (parent, &parent_frame_rect);
|
|
|
|
y = parent_frame_rect.y;
|
|
|
|
/* center of parent */
|
|
x = parent_frame_rect.x + parent_frame_rect.width / 2;
|
|
/* center of child over center of parent */
|
|
x -= frame_rect.width / 2;
|
|
|
|
/* "visually" center window over parent, leaving twice as
|
|
* much space below as on top.
|
|
*/
|
|
y += (parent_frame_rect.height - frame_rect.height)/3;
|
|
|
|
meta_topic (META_DEBUG_PLACEMENT,
|
|
"Centered window %s over transient parent",
|
|
window->desc);
|
|
|
|
avoid_being_obscured_as_second_modal_dialog (window, &x, &y);
|
|
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/* FIXME UTILITY with transient set should be stacked up
|
|
* on the sides of the parent window or something.
|
|
*/
|
|
|
|
if (window_place_centered (window))
|
|
{
|
|
/* Center on current monitor */
|
|
MetaRectangle work_area;
|
|
MetaRectangle frame_rect;
|
|
|
|
/* Warning, this function is a round trip! */
|
|
logical_monitor = meta_backend_get_current_logical_monitor (backend);
|
|
|
|
meta_window_get_work_area_for_logical_monitor (window,
|
|
logical_monitor,
|
|
&work_area);
|
|
meta_window_get_frame_rect (window, &frame_rect);
|
|
|
|
x = work_area.x + (work_area.width - frame_rect.width) / 2;
|
|
y = work_area.y + (work_area.height - frame_rect.height) / 2;
|
|
|
|
meta_topic (META_DEBUG_PLACEMENT, "Centered window %s on monitor %d",
|
|
window->desc, logical_monitor->number);
|
|
|
|
goto done_check_denied_focus;
|
|
}
|
|
|
|
/* Find windows that matter (not minimized, on same workspace
|
|
* as placed window, may be shaded - if shaded we pretend it isn't
|
|
* for placement purposes)
|
|
*/
|
|
{
|
|
GSList *all_windows;
|
|
GSList *tmp;
|
|
|
|
all_windows = meta_display_list_windows (window->display, META_LIST_DEFAULT);
|
|
|
|
tmp = all_windows;
|
|
while (tmp != NULL)
|
|
{
|
|
MetaWindow *w = tmp->data;
|
|
|
|
if (w != window &&
|
|
meta_window_showing_on_its_workspace (w) &&
|
|
(window->on_all_workspaces ||
|
|
meta_window_located_on_workspace (w, window->workspace)))
|
|
windows = g_list_prepend (windows, w);
|
|
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
g_slist_free (all_windows);
|
|
}
|
|
|
|
/* Warning, on X11 this might be a round trip! */
|
|
logical_monitor = meta_backend_get_current_logical_monitor (backend);
|
|
|
|
/* Maximize windows if they are too big for their work area (bit of
|
|
* a hack here). Assume undecorated windows probably don't intend to
|
|
* be maximized.
|
|
*/
|
|
if (window->has_maximize_func && window->decorated &&
|
|
!window->fullscreen)
|
|
{
|
|
MetaRectangle workarea;
|
|
MetaRectangle frame_rect;
|
|
|
|
meta_window_get_work_area_for_logical_monitor (window,
|
|
logical_monitor,
|
|
&workarea);
|
|
meta_window_get_frame_rect (window, &frame_rect);
|
|
|
|
/* If the window is bigger than the screen, then automaximize. Do NOT
|
|
* auto-maximize the directions independently. See #419810.
|
|
*/
|
|
if (frame_rect.width >= workarea.width && frame_rect.height >= workarea.height)
|
|
{
|
|
window->maximize_horizontally_after_placement = TRUE;
|
|
window->maximize_vertically_after_placement = TRUE;
|
|
}
|
|
}
|
|
|
|
/* "Origin" placement algorithm */
|
|
x = logical_monitor->rect.x;
|
|
y = logical_monitor->rect.y;
|
|
|
|
if (find_first_fit (window, windows,
|
|
logical_monitor,
|
|
x, y, &x, &y))
|
|
goto done_check_denied_focus;
|
|
|
|
/* No good fit? Fall back to cascading... */
|
|
find_next_cascade (window, windows, x, y, &x, &y);
|
|
|
|
done_check_denied_focus:
|
|
/* If the window is being denied focus and isn't a transient of the
|
|
* focus window, we do NOT want it to overlap with the focus window
|
|
* if at all possible. This is guaranteed to only be called if the
|
|
* focus_window is non-NULL, and we try to avoid that window.
|
|
*/
|
|
if (window->denied_focus_and_not_transient)
|
|
{
|
|
MetaWindow *focus_window;
|
|
gboolean found_fit;
|
|
|
|
focus_window = window->display->focus_window;
|
|
g_assert (focus_window != NULL);
|
|
|
|
/* No need to do anything if the window doesn't overlap at all */
|
|
found_fit = !window_overlaps_focus_window (window);
|
|
|
|
/* Try to do a first fit again, this time only taking into account the
|
|
* focus window.
|
|
*/
|
|
if (!found_fit)
|
|
{
|
|
GList *focus_window_list;
|
|
focus_window_list = g_list_prepend (NULL, focus_window);
|
|
|
|
/* Reset x and y ("origin" placement algorithm) */
|
|
x = logical_monitor->rect.x;
|
|
y = logical_monitor->rect.y;
|
|
|
|
found_fit = find_first_fit (window, focus_window_list,
|
|
logical_monitor,
|
|
x, y, &x, &y);
|
|
g_list_free (focus_window_list);
|
|
}
|
|
|
|
/* If that still didn't work, just place it where we can see as much
|
|
* as possible.
|
|
*/
|
|
if (!found_fit)
|
|
find_most_freespace (window, focus_window, x, y, &x, &y);
|
|
}
|
|
|
|
done:
|
|
if (windows)
|
|
g_list_free (windows);
|
|
|
|
*new_x = x;
|
|
*new_y = y;
|
|
}
|