Handle NULL pointer as good as possible (Coverity #50099)

[wmaker-crm.git] / src / actions.c

/* action.c- misc. window commands (miniaturize, hide etc.)
 *
 *  Window Maker window manager
 *
 *  Copyright (c) 1997-2003 Alfredo K. Kojima
 *  Copyright (c) 1998-2003 Dan Pascu
 *  Copyright (c) 2014 Window Maker Team
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "wconfig.h"

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <math.h>
#include <time.h>

#include "WindowMaker.h"
#include "framewin.h"
#include "window.h"
#include "client.h"
#include "icon.h"
#include "colormap.h"
#include "application.h"
#include "actions.h"
#include "stacking.h"
#include "appicon.h"
#include "dock.h"
#include "appmenu.h"
#include "winspector.h"
#include "workspace.h"
#include "xinerama.h"
#include "usermenu.h"
#include "placement.h"
#include "misc.h"
#include "event.h"


static void find_Maximus_geometry(WWindow *wwin, WArea usableArea, int *new_x, int *new_y,
                                  unsigned int *new_width, unsigned int *new_height);
static void save_old_geometry(WWindow *wwin, int directions);

/******* Local Variables *******/
static struct {
        int steps;
        int delay;
} shadePars[5] = {
        { SHADE_STEPS_UF, SHADE_DELAY_UF },
        { SHADE_STEPS_F, SHADE_DELAY_F },
        { SHADE_STEPS_M, SHADE_DELAY_M },
        { SHADE_STEPS_S, SHADE_DELAY_S },
        { SHADE_STEPS_US, SHADE_DELAY_US }
};

#define UNSHADE         0
#define SHADE           1
#define SHADE_STEPS     shadePars[(int)wPreferences.shade_speed].steps
#define SHADE_DELAY     shadePars[(int)wPreferences.shade_speed].delay

static int compareTimes(Time t1, Time t2)
{
        Time diff;
        if (t1 == t2)
                return 0;
        diff = t1 - t2;
        return (diff < 60000) ? 1 : -1;
}

#ifdef ANIMATIONS
static void shade_animate(WWindow *wwin, Bool what);
#else
static inline void shade_animate(WWindow *wwin, Bool what)
{
        /*
         * This function is empty on purpose, so tell the compiler
         * to not warn about parameters being not used
         */
        (void) wwin;
        (void) what;
}
#endif

/*
 *----------------------------------------------------------------------
 * wSetFocusTo--
 *      Changes the window focus to the one passed as argument.
 * If the window to focus is not already focused, it will be brought
 * to the head of the list of windows. Previously focused window is
 * unfocused.
 *
 * Side effects:
 *      Window list may be reordered and the window focus is changed.
 *
 *----------------------------------------------------------------------
 */
void wSetFocusTo(WScreen *scr, WWindow *wwin)
{
        static WScreen *old_scr = NULL;

        WWindow *old_focused;
        WWindow *focused = scr->focused_window;
        Time timestamp = w_global.timestamp.last_event;
        WApplication *oapp = NULL, *napp = NULL;
        int wasfocused;

        if (scr->flags.ignore_focus_events || compareTimes(w_global.timestamp.focus_change, timestamp) > 0)
                return;

        if (!old_scr)
                old_scr = scr;

        old_focused = old_scr->focused_window;

        w_global.timestamp.focus_change = timestamp;

        if (old_focused)
                oapp = wApplicationOf(old_focused->main_window);

        if (wwin == NULL) {
                XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
                if (old_focused)
                        wWindowUnfocus(old_focused);

                if (oapp) {
                        wAppMenuUnmap(oapp->menu);
                        if (wPreferences.highlight_active_app)
                                wApplicationDeactivate(oapp);
                }

                WMPostNotificationName(WMNChangedFocus, NULL, (void *)True);
                return;
        }

        if (old_scr != scr && old_focused)
                wWindowUnfocus(old_focused);

        wasfocused = wwin->flags.focused;
        napp = wApplicationOf(wwin->main_window);

        /* remember last workspace where the app has been */
        if (napp)
                napp->last_workspace = wwin->frame->workspace;

        if (wwin->flags.mapped && !WFLAGP(wwin, no_focusable)) {
                /* install colormap if colormap mode is lock mode */
                if (wPreferences.colormap_mode == WCM_CLICK)
                        wColormapInstallForWindow(scr, wwin);

                /* set input focus */
                switch (wwin->focus_mode) {
                case WFM_NO_INPUT:
                        XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
                        break;
                case WFM_PASSIVE:
                case WFM_LOCALLY_ACTIVE:
                        XSetInputFocus(dpy, wwin->client_win, RevertToParent, CurrentTime);
                        break;
                case WFM_GLOBALLY_ACTIVE:
                        break;
                }

                XFlush(dpy);
                if (wwin->protocols.TAKE_FOCUS)
                        wClientSendProtocol(wwin, w_global.atom.wm.take_focus, timestamp);

                XSync(dpy, False);
        } else {
                XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
        }

        if (WFLAGP(wwin, no_focusable))
                return;

        /* if this is not the focused window focus it */
        if (focused != wwin) {
                /* change the focus window list order */
                if (wwin->prev)
                        wwin->prev->next = wwin->next;

                if (wwin->next)
                        wwin->next->prev = wwin->prev;

                wwin->prev = focused;
                focused->next = wwin;
                wwin->next = NULL;
                scr->focused_window = wwin;

                if (oapp && oapp != napp) {
                        wAppMenuUnmap(oapp->menu);
                        if (wPreferences.highlight_active_app)
                                wApplicationDeactivate(oapp);
                }
        }

        wWindowFocus(wwin, focused);

        if (napp && !wasfocused) {
#ifdef USER_MENU
                wUserMenuRefreshInstances(napp->menu, wwin);
#endif  /* USER_MENU */

                if (wwin->flags.mapped)
                        wAppMenuMap(napp->menu, wwin);
        }
        if (napp && wPreferences.highlight_active_app)
                wApplicationActivate(napp);

        XFlush(dpy);
        old_scr = scr;
}

void wShadeWindow(WWindow *wwin)
{

        if (wwin->flags.shaded)
                return;

        XLowerWindow(dpy, wwin->client_win);
        shade_animate(wwin, SHADE);

        wwin->flags.skip_next_animation = 0;
        wwin->flags.shaded = 1;
        wwin->flags.mapped = 0;
        /* prevent window withdrawal when getting UnmapNotify */
        XSelectInput(dpy, wwin->client_win, wwin->event_mask & ~StructureNotifyMask);
        XUnmapWindow(dpy, wwin->client_win);
        XSelectInput(dpy, wwin->client_win, wwin->event_mask);

        /* for the client it's just like iconification */
        wFrameWindowResize(wwin->frame, wwin->frame->core->width, wwin->frame->top_width - 1);

        wwin->client.y = wwin->frame_y - wwin->client.height + wwin->frame->top_width;
        wWindowSynthConfigureNotify(wwin);

        /*
           wClientSetState(wwin, IconicState, None);
         */

        WMPostNotificationName(WMNChangedState, wwin, "shade");

#ifdef ANIMATIONS
        if (!wwin->screen_ptr->flags.startup) {
                /* Catch up with events not processed while animation was running */
                ProcessPendingEvents();
        }
#endif
}

void wUnshadeWindow(WWindow *wwin)
{

        if (!wwin->flags.shaded)
                return;

        wwin->flags.shaded = 0;
        wwin->flags.mapped = 1;
        XMapWindow(dpy, wwin->client_win);

        shade_animate(wwin, UNSHADE);

        wwin->flags.skip_next_animation = 0;
        wFrameWindowResize(wwin->frame, wwin->frame->core->width,
                           wwin->frame->top_width + wwin->client.height + wwin->frame->bottom_width);

        wwin->client.y = wwin->frame_y + wwin->frame->top_width;
        wWindowSynthConfigureNotify(wwin);

        /* if the window is focused, set the focus again as it was disabled during
         * shading */
        if (wwin->flags.focused)
                wSetFocusTo(wwin->screen_ptr, wwin);

        WMPostNotificationName(WMNChangedState, wwin, "shade");
}

/* Set the old coordinates using the current values */
static void save_old_geometry(WWindow *wwin, int directions)
{
        /* never been saved? */
        if (!wwin->old_geometry.width)
                directions |= SAVE_GEOMETRY_X | SAVE_GEOMETRY_WIDTH;
        if (!wwin->old_geometry.height)
                directions |= SAVE_GEOMETRY_Y | SAVE_GEOMETRY_HEIGHT;

        if (directions & SAVE_GEOMETRY_X)
                wwin->old_geometry.x = wwin->frame_x;
        if (directions & SAVE_GEOMETRY_Y)
                wwin->old_geometry.y = wwin->frame_y;
        if (directions & SAVE_GEOMETRY_WIDTH)
                wwin->old_geometry.width = wwin->client.width;
        if (directions & SAVE_GEOMETRY_HEIGHT)
                wwin->old_geometry.height = wwin->client.height;
}

static void remember_geometry(WWindow *wwin, int *x, int *y, int *w, int *h)
{
        WMRect old_geom_rect;
        int old_head;
        Bool same_head;

        old_geom_rect = wmkrect(wwin->old_geometry.x, wwin->old_geometry.y, wwin->old_geometry.width, wwin->old_geometry.height);
        old_head = wGetHeadForRect(wwin->screen_ptr, old_geom_rect);
        same_head = (wGetHeadForWindow(wwin) == old_head);
        *x = ((wwin->old_geometry.x || wwin->old_geometry.width) && same_head) ? wwin->old_geometry.x : wwin->frame_x;
        *y = ((wwin->old_geometry.y || wwin->old_geometry.height) && same_head) ? wwin->old_geometry.y : wwin->frame_y;
        *w = wwin->old_geometry.width ? wwin->old_geometry.width : wwin->client.width;
        *h = wwin->old_geometry.height ? wwin->old_geometry.height : wwin->client.height;
}

/* Remember geometry for unmaximizing */
void update_saved_geometry(WWindow *wwin)
{
        /* NOT if we aren't already maximized
         * we'll save geometry when maximizing */
        if (!wwin->flags.maximized)
                return;

        /* NOT if we are fully maximized */
        if ((wwin->flags.maximized & MAX_MAXIMUS) ||
            ((wwin->flags.maximized & MAX_HORIZONTAL) &&
            (wwin->flags.maximized & MAX_VERTICAL)))
                return;

        /* save the co-ordinate in the axis in which we AREN'T maximized */
        if (wwin->flags.maximized & MAX_HORIZONTAL)
                save_old_geometry(wwin, SAVE_GEOMETRY_Y);
        if (wwin->flags.maximized & MAX_VERTICAL)
                save_old_geometry(wwin, SAVE_GEOMETRY_X);
}

void wMaximizeWindow(WWindow *wwin, int directions)
{
        unsigned int new_width, new_height, half_scr_width, half_scr_height;
        int new_x = 0;
        int new_y = 0;
        int maximus_x = 0;
        int maximus_y = 0;
        unsigned int maximus_width = 0;
        unsigned int maximus_height = 0;
        WArea usableArea, totalArea;
        Bool has_border = 1;
        int adj_size;
        WScreen *scr = wwin->screen_ptr;

        if (!IS_RESIZABLE(wwin))
                return;

        if (!HAS_BORDER(wwin))
                has_border = 0;

        if (wPreferences.drag_maximized_window == DRAGMAX_NOMOVE)
                wwin->client_flags.no_movable = 1;

        /* the size to adjust the geometry */
        adj_size = scr->frame_border_width * 2 * has_border;

        /* save old coordinates before we change the current values */
        if (!wwin->flags.maximized)
                save_old_geometry(wwin, SAVE_GEOMETRY_ALL);

        totalArea.x2 = scr->scr_width;
        totalArea.y2 = scr->scr_height;
        totalArea.x1 = 0;
        totalArea.y1 = 0;
        usableArea = totalArea;

        if (!(directions & MAX_IGNORE_XINERAMA)) {
                WScreen *scr = wwin->screen_ptr;
                int head;

                if (directions & MAX_KEYBOARD)
                        head = wGetHeadForWindow(wwin);
                else
                        head = wGetHeadForPointerLocation(scr);

                usableArea = wGetUsableAreaForHead(scr, head, &totalArea, True);
        }


        /* Only save directions, not kbd or xinerama hints */
        directions &= (MAX_HORIZONTAL | MAX_VERTICAL | MAX_LEFTHALF | MAX_RIGHTHALF | MAX_TOPHALF | MAX_BOTTOMHALF | MAX_MAXIMUS);

        if (WFLAGP(wwin, full_maximize))
                usableArea = totalArea;
        half_scr_width = (usableArea.x2 - usableArea.x1)/2;
        half_scr_height = (usableArea.y2 - usableArea.y1)/2;

        if (wwin->flags.shaded) {
                wwin->flags.skip_next_animation = 1;
                wUnshadeWindow(wwin);
        }

        if (directions & MAX_MAXIMUS) {
                find_Maximus_geometry(wwin, usableArea, &maximus_x, &maximus_y, &maximus_width, &maximus_height);
                new_width = maximus_width - adj_size;
                new_height = maximus_height - adj_size;
                new_x = maximus_x;
                new_y = maximus_y;
                if (WFLAGP(wwin, full_maximize) && (new_y == 0)) {
                        new_height += wwin->frame->bottom_width - 1;
                        new_y -= wwin->frame->top_width;
                }

                wwin->maximus_x = new_x;
                wwin->maximus_y = new_y;
                wwin->flags.old_maximized |= MAX_MAXIMUS;
        } else {
                /* set default values if no option set then */
                if (!(directions & (MAX_HORIZONTAL | MAX_LEFTHALF | MAX_RIGHTHALF | MAX_MAXIMUS))) {
                        new_width = (wwin->old_geometry.width) ? wwin->old_geometry.width : wwin->frame->core->width;
                        new_x = (wwin->old_geometry.x) ? wwin->old_geometry.x : wwin->frame_x;
                }
                if (!(directions & (MAX_VERTICAL | MAX_TOPHALF | MAX_BOTTOMHALF | MAX_MAXIMUS))) {
                        new_height = (wwin->old_geometry.height) ? wwin->old_geometry.height : wwin->frame->core->height;
                        new_y = (wwin->old_geometry.y) ? wwin->old_geometry.y : wwin->frame_y;
                }

                /* left|right position */
                if (directions & MAX_LEFTHALF) {
                        new_width = half_scr_width - adj_size;
                        new_x = usableArea.x1;
                } else if (directions & MAX_RIGHTHALF) {
                        new_width = half_scr_width - adj_size;
                        new_x = usableArea.x1 + half_scr_width;
                }
                /* top|bottom position */
                if (directions & MAX_TOPHALF) {
                        new_height = half_scr_height - adj_size;
                        new_y = usableArea.y1;
                } else if (directions & MAX_BOTTOMHALF) {
                        new_height = half_scr_height - adj_size;
                        new_y = usableArea.y1 + half_scr_height;
                }

                /* vertical|horizontal position */
                if (directions & MAX_HORIZONTAL) {
                        new_width = usableArea.x2 - usableArea.x1 - adj_size;
                        new_x = usableArea.x1;
                }
                if (directions & MAX_VERTICAL) {
                        new_height = usableArea.y2 - usableArea.y1 - adj_size;
                        new_y = usableArea.y1;
                        if (WFLAGP(wwin, full_maximize) && (new_y == 0))
                                new_y -= wwin->frame->top_width;
                }
        }

        if (!WFLAGP(wwin, full_maximize) && !(directions == MAX_MAXIMUS || directions == MAX_HORIZONTAL))
                new_height -= wwin->frame->top_width + wwin->frame->bottom_width;

        /* set maximization state */
        wwin->flags.maximized = directions;
        if ((wwin->flags.old_maximized & MAX_MAXIMUS) && !wwin->flags.maximized)
                wwin->flags.maximized = MAX_MAXIMUS;

        wWindowConstrainSize(wwin, &new_width, &new_height);

        wWindowCropSize(wwin, usableArea.x2 - usableArea.x1,
                        usableArea.y2 - usableArea.y1, &new_width, &new_height);

        wWindowConfigure(wwin, new_x, new_y, new_width, new_height);
        wWindowSynthConfigureNotify(wwin);

        WMPostNotificationName(WMNChangedState, wwin, "maximize");
}

/* generic (un)maximizer */
void handleMaximize(WWindow *wwin, int directions)
{
        int current = wwin->flags.maximized;
        int requested = directions & (MAX_HORIZONTAL | MAX_VERTICAL | MAX_LEFTHALF | MAX_RIGHTHALF | MAX_TOPHALF | MAX_BOTTOMHALF | MAX_MAXIMUS);
        int effective = requested ^ current;
        int flags = directions & ~requested;

        if (!effective) {
                /* allow wMaximizeWindow to restore the Maximusized size */
                if ((wwin->flags.old_maximized & MAX_MAXIMUS) &&
                                !(requested & MAX_MAXIMUS))
                        wMaximizeWindow(wwin, MAX_MAXIMUS | flags);
                else
                        wUnmaximizeWindow(wwin);
        /* these alone mean vertical|horizontal toggle */
        } else if ((effective == MAX_LEFTHALF) ||
                        (effective == MAX_RIGHTHALF) ||
                        (effective == MAX_TOPHALF) ||
                        (effective == MAX_BOTTOMHALF))
                wUnmaximizeWindow(wwin);
        else {
                if ((requested == (MAX_HORIZONTAL | MAX_VERTICAL)) ||
                                (requested == MAX_MAXIMUS))
                        effective = requested;
                else {
                        if (requested & MAX_LEFTHALF) {
                                if (!(requested & (MAX_TOPHALF | MAX_BOTTOMHALF)))
                                        effective |= MAX_VERTICAL;
                                else
                                        effective |= requested & (MAX_TOPHALF | MAX_BOTTOMHALF);
                                effective |= MAX_LEFTHALF;
                                effective &= ~(MAX_HORIZONTAL | MAX_RIGHTHALF);
                        } else if (requested & MAX_RIGHTHALF) {
                                if (!(requested & (MAX_TOPHALF | MAX_BOTTOMHALF)))
                                        effective |= MAX_VERTICAL;
                                else
                                        effective |= requested & (MAX_TOPHALF | MAX_BOTTOMHALF);
                                effective |= MAX_RIGHTHALF;
                                effective &= ~(MAX_HORIZONTAL | MAX_LEFTHALF);
                        }
                        if (requested & MAX_TOPHALF) {
                                if (!(requested & (MAX_LEFTHALF | MAX_RIGHTHALF)))
                                        effective |= MAX_HORIZONTAL;
                                else
                                        effective |= requested & (MAX_LEFTHALF | MAX_RIGHTHALF);
                                effective |= MAX_TOPHALF;
                                effective &= ~(MAX_VERTICAL | MAX_BOTTOMHALF);
                        } else if (requested & MAX_BOTTOMHALF) {
                                if (!(requested & (MAX_LEFTHALF | MAX_RIGHTHALF)))
                                        effective |= MAX_HORIZONTAL;
                                else
                                        effective |= requested & (MAX_LEFTHALF | MAX_RIGHTHALF);
                                effective |= MAX_BOTTOMHALF;
                                effective &= ~(MAX_VERTICAL | MAX_TOPHALF);
                        }
                        if (requested & MAX_HORIZONTAL)
                                effective &= ~(MAX_LEFTHALF | MAX_RIGHTHALF);
                        if (requested & MAX_VERTICAL)
                                effective &= ~(MAX_TOPHALF | MAX_BOTTOMHALF);
                        effective &= ~MAX_MAXIMUS;
                }
                wMaximizeWindow(wwin, effective | flags);
        }
}

/* the window boundary coordinates */
typedef struct {
        int left;
        int right;
        int bottom;
        int top;
        int width;
        int height;
} win_coords;

static void set_window_coords(WWindow *wwin, win_coords *obs)
{
        obs->left = wwin->frame_x;
        obs->top = wwin->frame_y;
        obs->width = wwin->frame->core->width;
        obs->height = wwin->frame->core->height;
        obs->bottom = obs->top + obs->height;
        obs->right = obs->left + obs->width;
}

/*
 * Maximus: tiled maximization (maximize without overlapping other windows)
 *
 * The original window 'orig' will be maximized to new coordinates 'new'.
 * The windows obstructing the maximization of 'orig' are denoted 'obs'.
 */
static void find_Maximus_geometry(WWindow *wwin, WArea usableArea, int *new_x, int *new_y,
                                  unsigned int *new_width, unsigned int *new_height)
{
        WWindow *tmp;
        short int tbar_height_0 = 0, rbar_height_0 = 0, bd_width_0 = 0;
        short int adjust_height;
        int x_intsect, y_intsect;
        /* the obstructing, original and new windows */
        win_coords obs, orig, new;

        /* set the original coordinate positions of the window to be Maximumized */
        if (wwin->flags.maximized) {
                /* window is already maximized; consider original geometry */
                remember_geometry(wwin, &orig.left, &orig.top, &orig.width, &orig.height);
                orig.bottom = orig.top + orig.height;
                orig.right = orig.left + orig.width;
        } else
                set_window_coords(wwin, &orig);

        /* Try to fully maximize first, then readjust later */
        new.left    = usableArea.x1;
        new.right   = usableArea.x2;
        new.top     = usableArea.y1;
        new.bottom  = usableArea.y2;

        if (HAS_TITLEBAR(wwin))
                tbar_height_0 = TITLEBAR_HEIGHT;
        if (HAS_RESIZEBAR(wwin))
                rbar_height_0 = RESIZEBAR_HEIGHT;
        if (HAS_BORDER(wwin))
                bd_width_0 = wwin->screen_ptr->frame_border_width;

        /* the length to be subtracted if the window has titlebar, etc */
        adjust_height = tbar_height_0 + 2 * bd_width_0 + rbar_height_0;

        tmp = wwin;
        /* The focused window is always the last in the list */
        while (tmp->prev) {
                /* ignore windows in other workspaces etc */
                if (tmp->prev->frame->workspace != wwin->screen_ptr->current_workspace
                    || tmp->prev->flags.miniaturized || tmp->prev->flags.hidden) {
                        tmp = tmp->prev;
                        continue;
                }
                tmp = tmp->prev;

                /* Set the coordinates of obstructing window */
                set_window_coords(tmp, &obs);

                /* Try to maximize in the y direction first */
                x_intsect = calcIntersectionLength(orig.left, orig.width, obs.left, obs.width);
                if (x_intsect != 0) {
                        /* TODO: Consider the case when coords are equal */
                        if (obs.bottom < orig.top && obs.bottom > new.top) {
                                /* w_0 is below the bottom of w_j */
                                new.top = obs.bottom + 1;
                        }
                        if (orig.bottom < obs.top && obs.top < new.bottom) {
                                /* The bottom of w_0 is above the top of w_j */
                                new.bottom = obs.top - 1;
                        }
                }
        }

        tmp = wwin;
        while (tmp->prev) {
                if (tmp->prev->frame->workspace != wwin->screen_ptr->current_workspace
                    || tmp->prev->flags.miniaturized || tmp->prev->flags.hidden) {
                        tmp = tmp->prev;
                        continue;
                }
                tmp = tmp->prev;

                set_window_coords(tmp, &obs);

                /*
                 * Use the new.top and new.height instead of original values
                 * as they may have different intersections with the obstructing windows
                 */
                new.height = new.bottom - new.top - adjust_height;
                y_intsect = calcIntersectionLength(new.top, new.height, obs.top, obs.height);
                if (y_intsect != 0) {
                        if (obs.right < orig.left && obs.right > new.left) {
                                /* w_0 is completely to the right of w_j */
                                new.left = obs.right + 1;
                        }
                        if (orig.right < obs.left && obs.left < new.right) {
                                /* w_0 is completely to the left of w_j */
                                new.right = obs.left - 1;
                        }
                }
        }

        *new_x = new.left;
        *new_y = new.top;
        /* xcalc needs -7 here, but other apps don't */
        *new_height = new.bottom - new.top - adjust_height - 1;
        *new_width = new.right - new.left;
}

void wUnmaximizeWindow(WWindow *wwin)
{
        int x, y, w, h;

        if (!wwin->flags.maximized)
                return;

        if (wwin->flags.shaded) {
                wwin->flags.skip_next_animation = 1;
                wUnshadeWindow(wwin);
        }

        if (wPreferences.drag_maximized_window == DRAGMAX_NOMOVE)
                wwin->client_flags.no_movable = 0;

        /* Use old coordinates if they are set, current values otherwise */
        remember_geometry(wwin, &x, &y, &w, &h);

        /* unMaximusize relative to original position */
        if (wwin->flags.maximized & MAX_MAXIMUS) {
                x += wwin->frame_x - wwin->maximus_x;
                y += wwin->frame_y - wwin->maximus_y;
        }

        wwin->flags.maximized = 0;
        wwin->flags.old_maximized = 0;
        wWindowConfigure(wwin, x, y, w, h);
        wWindowSynthConfigureNotify(wwin);

        WMPostNotificationName(WMNChangedState, wwin, "maximize");
}

void wFullscreenWindow(WWindow *wwin)
{
        int head;
        WMRect rect;

        if (wwin->flags.fullscreen)
                return;

        wwin->flags.fullscreen = True;

        wWindowConfigureBorders(wwin);

        ChangeStackingLevel(wwin->frame->core, WMNormalLevel);
        wRaiseFrame(wwin->frame->core);

        wwin->bfs_geometry.x = wwin->frame_x;
        wwin->bfs_geometry.y = wwin->frame_y;
        wwin->bfs_geometry.width = wwin->frame->core->width;
        wwin->bfs_geometry.height = wwin->frame->core->height;

        head = wGetHeadForWindow(wwin);
        rect = wGetRectForHead(wwin->screen_ptr, head);
        wWindowConfigure(wwin, rect.pos.x, rect.pos.y, rect.size.width, rect.size.height);

        wwin->screen_ptr->bfs_focused_window = wwin->screen_ptr->focused_window;
        wSetFocusTo(wwin->screen_ptr, wwin);

        WMPostNotificationName(WMNChangedState, wwin, "fullscreen");
}

void wUnfullscreenWindow(WWindow *wwin)
{
        if (!wwin->flags.fullscreen)
                return;

        wwin->flags.fullscreen = False;

        if (WFLAGP(wwin, sunken))
                ChangeStackingLevel(wwin->frame->core, WMSunkenLevel);
        else if (WFLAGP(wwin, floating))
                ChangeStackingLevel(wwin->frame->core, WMFloatingLevel);

        wWindowConfigure(wwin, wwin->bfs_geometry.x, wwin->bfs_geometry.y,
                         wwin->bfs_geometry.width, wwin->bfs_geometry.height);

        wWindowConfigureBorders(wwin);
        /*
           // seems unnecessary, but also harmless (doesn't generate flicker) -Dan
           wFrameWindowPaint(wwin->frame);
         */

        WMPostNotificationName(WMNChangedState, wwin, "fullscreen");

        if (wwin->screen_ptr->bfs_focused_window) {
                wSetFocusTo(wwin->screen_ptr, wwin->screen_ptr->bfs_focused_window);
                wwin->screen_ptr->bfs_focused_window = NULL;
        }
}

#ifdef ANIMATIONS
static void animateResizeFlip(WScreen *scr, int x, int y, int w, int h, int fx, int fy, int fw, int fh, int steps)
{
#define FRAMES (MINIATURIZE_ANIMATION_FRAMES_F)
        float cx, cy, cw, ch;
        float xstep, ystep, wstep, hstep;
        XPoint points[5];
        float dx, dch, midy;
        float angle, final_angle, delta;

        xstep = (float)(fx - x) / steps;
        ystep = (float)(fy - y) / steps;
        wstep = (float)(fw - w) / steps;
        hstep = (float)(fh - h) / steps;

        cx = (float)x;
        cy = (float)y;
        cw = (float)w;
        ch = (float)h;

        final_angle = 2 * WM_PI * MINIATURIZE_ANIMATION_TWIST_F;
        delta = (float)(final_angle / FRAMES);
        for (angle = 0;; angle += delta) {
                if (angle > final_angle)
                        angle = final_angle;

                dx = (cw / 10) - ((cw / 5) * sin(angle));
                dch = (ch / 2) * cos(angle);
                midy = cy + (ch / 2);

                points[0].x = cx + dx;
                points[0].y = midy - dch;
                points[1].x = cx + cw - dx;
                points[1].y = points[0].y;
                points[2].x = cx + cw + dx;
                points[2].y = midy + dch;
                points[3].x = cx - dx;
                points[3].y = points[2].y;
                points[4].x = points[0].x;
                points[4].y = points[0].y;

                XGrabServer(dpy);
                XDrawLines(dpy, scr->root_win, scr->frame_gc, points, 5, CoordModeOrigin);
                XFlush(dpy);
                wusleep(MINIATURIZE_ANIMATION_DELAY_F);

                XDrawLines(dpy, scr->root_win, scr->frame_gc, points, 5, CoordModeOrigin);
                XUngrabServer(dpy);
                cx += xstep;
                cy += ystep;
                cw += wstep;
                ch += hstep;
                if (angle >= final_angle)
                        break;

        }
        XFlush(dpy);
}

#undef FRAMES

static void
animateResizeTwist(WScreen *scr, int x, int y, int w, int h, int fx, int fy, int fw, int fh, int steps)
{
#define FRAMES (MINIATURIZE_ANIMATION_FRAMES_T)
        float cx, cy, cw, ch;
        float xstep, ystep, wstep, hstep;
        XPoint points[5];
        float angle, final_angle, a, d, delta;

        x += w / 2;
        y += h / 2;
        fx += fw / 2;
        fy += fh / 2;

        xstep = (float)(fx - x) / steps;
        ystep = (float)(fy - y) / steps;
        wstep = (float)(fw - w) / steps;
        hstep = (float)(fh - h) / steps;

        cx = (float)x;
        cy = (float)y;
        cw = (float)w;
        ch = (float)h;

        final_angle = 2 * WM_PI * MINIATURIZE_ANIMATION_TWIST_T;
        delta = (float)(final_angle / FRAMES);
        for (angle = 0;; angle += delta) {
                if (angle > final_angle)
                        angle = final_angle;

                a = atan(ch / cw);
                d = sqrt((cw / 2) * (cw / 2) + (ch / 2) * (ch / 2));

                points[0].x = cx + cos(angle - a) * d;
                points[0].y = cy + sin(angle - a) * d;
                points[1].x = cx + cos(angle + a) * d;
                points[1].y = cy + sin(angle + a) * d;
                points[2].x = cx + cos(angle - a + WM_PI) * d;
                points[2].y = cy + sin(angle - a + WM_PI) * d;
                points[3].x = cx + cos(angle + a + WM_PI) * d;
                points[3].y = cy + sin(angle + a + WM_PI) * d;
                points[4].x = cx + cos(angle - a) * d;
                points[4].y = cy + sin(angle - a) * d;
                XGrabServer(dpy);
                XDrawLines(dpy, scr->root_win, scr->frame_gc, points, 5, CoordModeOrigin);
                XFlush(dpy);
                wusleep(MINIATURIZE_ANIMATION_DELAY_T);

                XDrawLines(dpy, scr->root_win, scr->frame_gc, points, 5, CoordModeOrigin);
                XUngrabServer(dpy);
                cx += xstep;
                cy += ystep;
                cw += wstep;
                ch += hstep;
                if (angle >= final_angle)
                        break;

        }
        XFlush(dpy);
}

#undef FRAMES

static void animateResizeZoom(WScreen *scr, int x, int y, int w, int h, int fx, int fy, int fw, int fh, int steps)
{
#define FRAMES (MINIATURIZE_ANIMATION_FRAMES_Z)
        float cx[FRAMES], cy[FRAMES], cw[FRAMES], ch[FRAMES];
        float xstep, ystep, wstep, hstep;
        int i, j;

        xstep = (float)(fx - x) / steps;
        ystep = (float)(fy - y) / steps;
        wstep = (float)(fw - w) / steps;
        hstep = (float)(fh - h) / steps;

        for (j = 0; j < FRAMES; j++) {
                cx[j] = (float)x;
                cy[j] = (float)y;
                cw[j] = (float)w;
                ch[j] = (float)h;
        }
        XGrabServer(dpy);
        for (i = 0; i < steps; i++) {
                for (j = 0; j < FRAMES; j++) {
                        XDrawRectangle(dpy, scr->root_win, scr->frame_gc,
                                       (int)cx[j], (int)cy[j], (int)cw[j], (int)ch[j]);
                }
                XFlush(dpy);
                wusleep(MINIATURIZE_ANIMATION_DELAY_Z);

                for (j = 0; j < FRAMES; j++) {
                        XDrawRectangle(dpy, scr->root_win, scr->frame_gc,
                                       (int)cx[j], (int)cy[j], (int)cw[j], (int)ch[j]);
                        if (j < FRAMES - 1) {
                                cx[j] = cx[j + 1];
                                cy[j] = cy[j + 1];
                                cw[j] = cw[j + 1];
                                ch[j] = ch[j + 1];
                        } else {
                                cx[j] += xstep;
                                cy[j] += ystep;
                                cw[j] += wstep;
                                ch[j] += hstep;
                        }
                }
        }

        for (j = 0; j < FRAMES; j++)
                XDrawRectangle(dpy, scr->root_win, scr->frame_gc, (int)cx[j], (int)cy[j], (int)cw[j], (int)ch[j]);
        XFlush(dpy);
        wusleep(MINIATURIZE_ANIMATION_DELAY_Z);

        for (j = 0; j < FRAMES; j++)
                XDrawRectangle(dpy, scr->root_win, scr->frame_gc, (int)cx[j], (int)cy[j], (int)cw[j], (int)ch[j]);

        XUngrabServer(dpy);
}

#undef FRAMES

void animateResize(WScreen *scr, int x, int y, int w, int h, int fx, int fy, int fw, int fh)
{
        int style = wPreferences.iconification_style;   /* Catch the value */
        int steps;

        if (style == WIS_NONE)
                return;

        if (style == WIS_RANDOM)
                style = rand() % 3;

        switch (style) {
        case WIS_TWIST:
                steps = MINIATURIZE_ANIMATION_STEPS_T;
                if (steps > 0)
                        animateResizeTwist(scr, x, y, w, h, fx, fy, fw, fh, steps);
                break;
        case WIS_FLIP:
                steps = MINIATURIZE_ANIMATION_STEPS_F;
                if (steps > 0)
                        animateResizeFlip(scr, x, y, w, h, fx, fy, fw, fh, steps);
                break;
        case WIS_ZOOM:
        default:
                steps = MINIATURIZE_ANIMATION_STEPS_Z;
                if (steps > 0)
                        animateResizeZoom(scr, x, y, w, h, fx, fy, fw, fh, steps);
                break;
        }
}
#endif                          /* ANIMATIONS */

static void flushExpose(void)
{
        XEvent tmpev;

        while (XCheckTypedEvent(dpy, Expose, &tmpev))
                WMHandleEvent(&tmpev);
        XSync(dpy, 0);
}

static void unmapTransientsFor(WWindow *wwin)
{
        WWindow *tmp;

        tmp = wwin->screen_ptr->focused_window;
        while (tmp) {
                /* unmap the transients for this transient */
                if (tmp != wwin && tmp->transient_for == wwin->client_win
                    && (tmp->flags.mapped || wwin->screen_ptr->flags.startup || tmp->flags.shaded)) {
                        unmapTransientsFor(tmp);
                        tmp->flags.miniaturized = 1;
                        if (!tmp->flags.shaded)
                                wWindowUnmap(tmp);
                        else
                                XUnmapWindow(dpy, tmp->frame->core->window);
                        /*
                           if (!tmp->flags.shaded)
                         */
                        wClientSetState(tmp, IconicState, None);

                        WMPostNotificationName(WMNChangedState, tmp, "iconify-transient");
                }
                tmp = tmp->prev;
        }
}

static void mapTransientsFor(WWindow *wwin)
{
        WWindow *tmp;

        tmp = wwin->screen_ptr->focused_window;
        while (tmp) {
                /* recursively map the transients for this transient */
                if (tmp != wwin && tmp->transient_for == wwin->client_win && /*!tmp->flags.mapped */ tmp->flags.miniaturized
                    && tmp->icon == NULL) {
                        mapTransientsFor(tmp);
                        tmp->flags.miniaturized = 0;
                        if (!tmp->flags.shaded)
                                wWindowMap(tmp);
                        else
                                XMapWindow(dpy, tmp->frame->core->window);
                        tmp->flags.semi_focused = 0;
                        /*
                           if (!tmp->flags.shaded)
                         */
                        wClientSetState(tmp, NormalState, None);

                        WMPostNotificationName(WMNChangedState, tmp, "iconify-transient");
                }
                tmp = tmp->prev;
        }
}

static WWindow *recursiveTransientFor(WWindow *wwin)
{
        int i;

        if (!wwin)
                return None;

        /* hackish way to detect transient_for cycle */
        i = wwin->screen_ptr->window_count + 1;

        while (wwin && wwin->transient_for != None && i > 0) {
                wwin = wWindowFor(wwin->transient_for);
                i--;
        }
        if (i == 0 && wwin) {
                wwarning(_("window \"%s\" has a severely broken WM_TRANSIENT_FOR hint"),
                         wwin->frame->title);
                return NULL;
        }

        return wwin;
}

static int getAnimationGeometry(WWindow *wwin, int *ix, int *iy, int *iw, int *ih)
{
        if (wwin->screen_ptr->flags.startup || wPreferences.no_animations
                || wwin->flags.skip_next_animation || wwin->icon == NULL)
                return 0;

        if (!wPreferences.disable_miniwindows && !wwin->flags.net_handle_icon) {
                *ix = wwin->icon_x;
                *iy = wwin->icon_y;
                *iw = wwin->icon->core->width;
                *ih = wwin->icon->core->height;
        } else {
                if (wwin->flags.net_handle_icon) {
                        *ix = wwin->icon_x;
                        *iy = wwin->icon_y;
                        *iw = wwin->icon_w;
                        *ih = wwin->icon_h;
                } else {
                        *ix = 0;
                        *iy = 0;
                        *iw = wwin->screen_ptr->scr_width;
                        *ih = wwin->screen_ptr->scr_height;
                }
        }
        return 1;
}

void wIconifyWindow(WWindow *wwin)
{
        XWindowAttributes attribs;
        int present;

        if (!XGetWindowAttributes(dpy, wwin->client_win, &attribs))
                return; /* the window doesn't exist anymore */

        if (wwin->flags.miniaturized)
                return; /* already miniaturized */

        if (wwin->transient_for != None && wwin->transient_for != wwin->screen_ptr->root_win) {
                WWindow *owner = wWindowFor(wwin->transient_for);

                if (owner && owner->flags.miniaturized)
                        return;
        }

        present = wwin->frame->workspace == wwin->screen_ptr->current_workspace;

        /* if the window is in another workspace, simplify process */
        if (present) {
                /* icon creation may take a while */
                XGrabPointer(dpy, wwin->screen_ptr->root_win, False,
                             ButtonMotionMask | ButtonReleaseMask, GrabModeAsync,
                             GrabModeAsync, None, None, CurrentTime);
        }

        if (!wPreferences.disable_miniwindows && !wwin->flags.net_handle_icon) {
                if (!wwin->flags.icon_moved)
                        PlaceIcon(wwin->screen_ptr, &wwin->icon_x, &wwin->icon_y, wGetHeadForWindow(wwin));

                wwin->icon = icon_create_for_wwindow(wwin);
                wwin->icon->mapped = 1;

                /* extract the window screenshot everytime, as the option can be enable anytime */
                if (wwin->client_win && wwin->flags.mapped) {
                        RImage *mini_preview;
                        XImage *pimg;
                        unsigned int w, h;
                        int x, y;
                        Window baz;

                        XRaiseWindow(dpy, wwin->frame->core->window);
                        XTranslateCoordinates(dpy, wwin->client_win, wwin->screen_ptr->root_win, 0, 0, &x, &y, &baz);

                        w = attribs.width;
                        h = attribs.height;

                        if (x - attribs.x + attribs.width > wwin->screen_ptr->scr_width)
                                w = wwin->screen_ptr->scr_width - x + attribs.x;

                        if (y - attribs.y + attribs.height > wwin->screen_ptr->scr_height)
                                h = wwin->screen_ptr->scr_height - y + attribs.y;

                        pimg = XGetImage(dpy, wwin->client_win, 0, 0, w, h, AllPlanes, ZPixmap);
                        if (pimg) {
                                mini_preview = RCreateImageFromXImage(wwin->screen_ptr->rcontext, pimg, NULL);
                                XDestroyImage(pimg);

                                if (mini_preview) {
                                        set_icon_minipreview(wwin->icon, mini_preview);
                                        RReleaseImage(mini_preview);
                                } else {
                                        const char *title;
                                        char title_buf[32];

                                        if (wwin->frame && wwin->frame->title) {
                                                title = wwin->frame->title;
                                        } else {
                                                snprintf(title_buf, sizeof(title_buf), "(id=0x%lx)", wwin->client_win);
                                                title = title_buf;
                                        }
                                        wwarning(_("creation of mini-preview failed for window \"%s\""), title);
                                }
                        }
                }
        }

        wwin->flags.miniaturized = 1;
        wwin->flags.mapped = 0;

        /* unmap transients */
        unmapTransientsFor(wwin);

        if (present) {
#ifdef ANIMATIONS
                int ix, iy, iw, ih;
#endif
                XUngrabPointer(dpy, CurrentTime);
                wWindowUnmap(wwin);
                /* let all Expose events arrive so that we can repaint
                 * something before the animation starts (and the server is grabbed) */
                XSync(dpy, 0);

                if (wPreferences.disable_miniwindows || wwin->flags.net_handle_icon)
                        wClientSetState(wwin, IconicState, None);
                else
                        wClientSetState(wwin, IconicState, wwin->icon->icon_win);

                flushExpose();
#ifdef ANIMATIONS
                if (getAnimationGeometry(wwin, &ix, &iy, &iw, &ih))
                        animateResize(wwin->screen_ptr, wwin->frame_x, wwin->frame_y,
                                      wwin->frame->core->width, wwin->frame->core->height, ix, iy, iw, ih);
#endif
        }

        wwin->flags.skip_next_animation = 0;

        if (!wPreferences.disable_miniwindows && !wwin->flags.net_handle_icon) {
                if (wwin->screen_ptr->current_workspace == wwin->frame->workspace ||
                    IS_OMNIPRESENT(wwin) || wPreferences.sticky_icons)
                        XMapWindow(dpy, wwin->icon->core->window);

                AddToStackList(wwin->icon->core);
                wLowerFrame(wwin->icon->core);
        }

        if (present) {
                WWindow *owner = recursiveTransientFor(wwin->screen_ptr->focused_window);

                /*
                 * It doesn't seem to be working and causes button event hangup
                 * when deiconifying a transient window.
                 setupIconGrabs(wwin->icon);
                 */
                if ((wwin->flags.focused || (owner && wwin->client_win == owner->client_win))
                    && wPreferences.focus_mode == WKF_CLICK) {
                        WWindow *tmp;

                        tmp = wwin->prev;
                        while (tmp) {
                                if (!WFLAGP(tmp, no_focusable)
                                    && !(tmp->flags.hidden || tmp->flags.miniaturized)
                                    && (wwin->frame->workspace == tmp->frame->workspace))
                                        break;
                                tmp = tmp->prev;
                        }
                        wSetFocusTo(wwin->screen_ptr, tmp);
                } else if (wPreferences.focus_mode != WKF_CLICK) {
                        wSetFocusTo(wwin->screen_ptr, NULL);
                }
#ifdef ANIMATIONS
                if (!wwin->screen_ptr->flags.startup) {
                        /* Catch up with events not processed while animation was running */
                        Window clientwin = wwin->client_win;

                        ProcessPendingEvents();

                        /* the window can disappear while ProcessPendingEvents() runs */
                        if (!wWindowFor(clientwin))
                                return;
                }
#endif
        }

        /* maybe we want to do this regardless of net_handle_icon
         * it seems to me we might break behaviour this way.
         */
        if (wwin->flags.selected && !wPreferences.disable_miniwindows
            && !wwin->flags.net_handle_icon)
                wIconSelect(wwin->icon);

        WMPostNotificationName(WMNChangedState, wwin, "iconify");

        if (wPreferences.auto_arrange_icons)
                wArrangeIcons(wwin->screen_ptr, True);
}

void wDeiconifyWindow(WWindow *wwin)
{
        /* Let's avoid changing workspace while deiconifying */
        w_global.ignore_workspace_change = True;

        /* we're hiding for show_desktop */
        int netwm_hidden = wwin->flags.net_show_desktop &&
            wwin->frame->workspace != wwin->screen_ptr->current_workspace;

        if (!netwm_hidden)
                wWindowChangeWorkspace(wwin, wwin->screen_ptr->current_workspace);

        if (!wwin->flags.miniaturized) {
                w_global.ignore_workspace_change = False;
                return;
        }

        if (wwin->transient_for != None && wwin->transient_for != wwin->screen_ptr->root_win) {
                WWindow *owner = recursiveTransientFor(wwin);

                if (owner && owner->flags.miniaturized) {
                        wDeiconifyWindow(owner);
                        wSetFocusTo(wwin->screen_ptr, wwin);
                        wRaiseFrame(wwin->frame->core);
                        w_global.ignore_workspace_change = False;
                        return;
                }
        }

        wwin->flags.miniaturized = 0;

        if (!netwm_hidden && !wwin->flags.shaded)
                wwin->flags.mapped = 1;

        if (!netwm_hidden || wPreferences.sticky_icons) {
                /* maybe we want to do this regardless of net_handle_icon
                 * it seems to me we might break behaviour this way.
                 */
                if (!wPreferences.disable_miniwindows && !wwin->flags.net_handle_icon
                    && wwin->icon != NULL) {
                        if (wwin->icon->selected)
                                wIconSelect(wwin->icon);

                        XUnmapWindow(dpy, wwin->icon->core->window);
                }
        }

        /* if the window is in another workspace, do it silently */
        if (!netwm_hidden) {
#ifdef ANIMATIONS
                int ix, iy, iw, ih;
                if (getAnimationGeometry(wwin, &ix, &iy, &iw, &ih))
                        animateResize(wwin->screen_ptr, ix, iy, iw, ih,
                                      wwin->frame_x, wwin->frame_y,
                                      wwin->frame->core->width, wwin->frame->core->height);
#endif
                wwin->flags.skip_next_animation = 0;
                XGrabServer(dpy);
                if (!wwin->flags.shaded)
                        XMapWindow(dpy, wwin->client_win);

                XMapWindow(dpy, wwin->frame->core->window);
                wRaiseFrame(wwin->frame->core);
                if (!wwin->flags.shaded)
                        wClientSetState(wwin, NormalState, None);

                mapTransientsFor(wwin);
        }

        if (!wPreferences.disable_miniwindows && wwin->icon != NULL
            && !wwin->flags.net_handle_icon) {
                RemoveFromStackList(wwin->icon->core);
                wSetFocusTo(wwin->screen_ptr, wwin);
                wIconDestroy(wwin->icon);
                wwin->icon = NULL;
        }

        if (!netwm_hidden) {
                XUngrabServer(dpy);

                wSetFocusTo(wwin->screen_ptr, wwin);

#ifdef ANIMATIONS
                if (!wwin->screen_ptr->flags.startup) {
                        /* Catch up with events not processed while animation was running */
                        Window clientwin = wwin->client_win;

                        ProcessPendingEvents();

                        /* the window can disappear while ProcessPendingEvents() runs */
                        if (!wWindowFor(clientwin)) {
                                w_global.ignore_workspace_change = False;
                                return;
                        }
                }
#endif
        }

        if (wPreferences.auto_arrange_icons)
                wArrangeIcons(wwin->screen_ptr, True);

        WMPostNotificationName(WMNChangedState, wwin, "iconify");

        /* In case we were shaded and iconified, also unshade */
        if (!netwm_hidden)
                wUnshadeWindow(wwin);

        w_global.ignore_workspace_change = False;
}

static void hideWindow(WIcon *icon, int icon_x, int icon_y, WWindow *wwin, int animate)
{
        if (wwin->flags.miniaturized) {
                if (wwin->icon) {
                        XUnmapWindow(dpy, wwin->icon->core->window);
                        wwin->icon->mapped = 0;
                }
                wwin->flags.hidden = 1;

                WMPostNotificationName(WMNChangedState, wwin, "hide");
                return;
        }

        if (wwin->flags.inspector_open)
                wHideInspectorForWindow(wwin);

        wwin->flags.hidden = 1;
        wWindowUnmap(wwin);

        wClientSetState(wwin, IconicState, icon->icon_win);
        flushExpose();

#ifdef ANIMATIONS
        if (!wwin->screen_ptr->flags.startup && !wPreferences.no_animations &&
            !wwin->flags.skip_next_animation && animate) {
                animateResize(wwin->screen_ptr, wwin->frame_x, wwin->frame_y,
                              wwin->frame->core->width, wwin->frame->core->height,
                              icon_x, icon_y, icon->core->width, icon->core->height);
        }
#endif
        wwin->flags.skip_next_animation = 0;

        WMPostNotificationName(WMNChangedState, wwin, "hide");
}

void wHideAll(WScreen *scr)
{
        WWindow *wwin;
        WWindow **windows;
        WMenu *menu;
        unsigned int wcount = 0;
        int i;

        if (!scr)
                return;

        menu = scr->switch_menu;

        windows = wmalloc(sizeof(WWindow *));

        if (menu != NULL) {
                for (i = 0; i < menu->entry_no; i++) {
                        windows[wcount] = (WWindow *) menu->entries[i]->clientdata;
                        wcount++;
                        windows = wrealloc(windows, sizeof(WWindow *) * (wcount + 1));
                }
        } else {
                wwin = scr->focused_window;

                while (wwin) {
                        windows[wcount] = wwin;
                        wcount++;
                        windows = wrealloc(windows, sizeof(WWindow *) * (wcount + 1));
                        wwin = wwin->prev;

                }
        }

        for (i = 0; i < wcount; i++) {
                wwin = windows[i];
                if (wwin->frame->workspace == scr->current_workspace
                    && !(wwin->flags.miniaturized || wwin->flags.hidden)
                    && !wwin->flags.internal_window
                    && !WFLAGP(wwin, no_miniaturizable)
                   ) {
                        wwin->flags.skip_next_animation = 1;
                        wIconifyWindow(wwin);
                }
        }

        wfree(windows);
}

void wHideOtherApplications(WWindow *awin)
{
        WWindow *wwin;
        WApplication *tapp;

        if (!awin)
                return;
        wwin = awin->screen_ptr->focused_window;

        while (wwin) {
                if (wwin != awin
                    && wwin->frame->workspace == awin->screen_ptr->current_workspace
                    && !(wwin->flags.miniaturized || wwin->flags.hidden)
                    && !wwin->flags.internal_window
                    && wGetWindowOfInspectorForWindow(wwin) != awin && !WFLAGP(wwin, no_hide_others)) {

                        if (wwin->main_window == None || WFLAGP(wwin, no_appicon)) {
                                if (!WFLAGP(wwin, no_miniaturizable)) {
                                        wwin->flags.skip_next_animation = 1;
                                        wIconifyWindow(wwin);
                                }
                        } else if (wwin->main_window != None && awin->main_window != wwin->main_window) {
                                tapp = wApplicationOf(wwin->main_window);
                                if (tapp) {
                                        tapp->flags.skip_next_animation = 1;
                                        wHideApplication(tapp);
                                } else {
                                        if (!WFLAGP(wwin, no_miniaturizable)) {
                                                wwin->flags.skip_next_animation = 1;
                                                wIconifyWindow(wwin);
                                        }
                                }
                        }
                }
                wwin = wwin->prev;
        }
        /*
           wSetFocusTo(awin->screen_ptr, awin);
         */
}

void wHideApplication(WApplication *wapp)
{
        WScreen *scr;
        WWindow *wlist;
        int hadfocus;
        int animate;

        if (!wapp) {
                wwarning("trying to hide a non grouped window");
                return;
        }
        if (!wapp->main_window_desc) {
                wwarning("group leader not found for window group");
                return;
        }
        scr = wapp->main_window_desc->screen_ptr;
        hadfocus = 0;
        wlist = scr->focused_window;
        if (!wlist)
                return;

        if (wlist->main_window == wapp->main_window)
                wapp->last_focused = wlist;
        else
                wapp->last_focused = NULL;

        animate = !wapp->flags.skip_next_animation;

        while (wlist) {
                if (wlist->main_window == wapp->main_window) {
                        if (wlist->flags.focused)
                                hadfocus = 1;
                        if (wapp->app_icon) {
                                hideWindow(wapp->app_icon->icon, wapp->app_icon->x_pos,
                                           wapp->app_icon->y_pos, wlist, animate);
                                animate = False;
                        }
                }
                wlist = wlist->prev;
        }

        wapp->flags.skip_next_animation = 0;

        if (hadfocus) {
                if (wPreferences.focus_mode == WKF_CLICK) {
                        wlist = scr->focused_window;
                        while (wlist) {
                                if (!WFLAGP(wlist, no_focusable) && !wlist->flags.hidden
                                    && (wlist->flags.mapped || wlist->flags.shaded))
                                        break;
                                wlist = wlist->prev;
                        }
                        wSetFocusTo(scr, wlist);
                } else {
                        wSetFocusTo(scr, NULL);
                }
        }

        wapp->flags.hidden = 1;

        if (wPreferences.auto_arrange_icons)
                wArrangeIcons(scr, True);

#ifdef HIDDENDOT
        if (wapp->app_icon)
                wAppIconPaint(wapp->app_icon);
#endif
}

static void unhideWindow(WIcon *icon, int icon_x, int icon_y, WWindow *wwin, int animate, int bringToCurrentWS)
{
        if (bringToCurrentWS)
                wWindowChangeWorkspace(wwin, wwin->screen_ptr->current_workspace);

        wwin->flags.hidden = 0;

#ifdef ANIMATIONS
        if (!wwin->screen_ptr->flags.startup && !wPreferences.no_animations && animate) {
                animateResize(wwin->screen_ptr, icon_x, icon_y,
                              icon->core->width, icon->core->height,
                              wwin->frame_x, wwin->frame_y,
                              wwin->frame->core->width, wwin->frame->core->height);
        }
#endif
        wwin->flags.skip_next_animation = 0;
        if (wwin->screen_ptr->current_workspace == wwin->frame->workspace) {
                XMapWindow(dpy, wwin->client_win);
                XMapWindow(dpy, wwin->frame->core->window);
                wClientSetState(wwin, NormalState, None);
                wwin->flags.mapped = 1;
                wRaiseFrame(wwin->frame->core);
        }
        if (wwin->flags.inspector_open)
                wUnhideInspectorForWindow(wwin);

        WMPostNotificationName(WMNChangedState, wwin, "hide");
}

void wUnhideApplication(WApplication *wapp, Bool miniwindows, Bool bringToCurrentWS)
{
        WScreen *scr;
        WWindow *wlist, *next;
        WWindow *focused = NULL;
        int animate;

        if (!wapp)
                return;

        scr = wapp->main_window_desc->screen_ptr;
        wlist = scr->focused_window;
        if (!wlist)
                return;

        /* goto beginning of list */
        while (wlist->prev)
                wlist = wlist->prev;

        animate = !wapp->flags.skip_next_animation;

        while (wlist) {
                next = wlist->next;

                if (wlist->main_window == wapp->main_window) {
                        if (wlist->flags.focused)
                                focused = wlist;
                        else if (!focused || !focused->flags.focused)
                                focused = wlist;

                        if (wlist->flags.miniaturized) {
                                if ((bringToCurrentWS || wPreferences.sticky_icons ||
                                     wlist->frame->workspace == scr->current_workspace) && wlist->icon) {
                                        if (!wlist->icon->mapped) {
                                                int x, y;

                                                PlaceIcon(scr, &x, &y, wGetHeadForWindow(wlist));
                                                if (wlist->icon_x != x || wlist->icon_y != y)
                                                        XMoveWindow(dpy, wlist->icon->core->window, x, y);
                                                wlist->icon_x = x;
                                                wlist->icon_y = y;
                                                XMapWindow(dpy, wlist->icon->core->window);
                                                wlist->icon->mapped = 1;
                                        }
                                        wRaiseFrame(wlist->icon->core);
                                }
                                if (bringToCurrentWS)
                                        wWindowChangeWorkspace(wlist, scr->current_workspace);
                                wlist->flags.hidden = 0;
                                if (miniwindows && wlist->frame->workspace == scr->current_workspace)
                                        wDeiconifyWindow(wlist);
                                WMPostNotificationName(WMNChangedState, wlist, "hide");
                        } else if (wlist->flags.shaded) {
                                if (bringToCurrentWS)
                                        wWindowChangeWorkspace(wlist, scr->current_workspace);
                                wlist->flags.hidden = 0;
                                wRaiseFrame(wlist->frame->core);
                                if (wlist->frame->workspace == scr->current_workspace) {
                                        XMapWindow(dpy, wlist->frame->core->window);
                                        if (miniwindows)
                                                wUnshadeWindow(wlist);
                                }
                                WMPostNotificationName(WMNChangedState, wlist, "hide");
                        } else if (wlist->flags.hidden) {
                                unhideWindow(wapp->app_icon->icon, wapp->app_icon->x_pos,
                                             wapp->app_icon->y_pos, wlist, animate, bringToCurrentWS);
                                animate = False;
                        } else {
                                if (bringToCurrentWS && wlist->frame->workspace != scr->current_workspace)
                                        wWindowChangeWorkspace(wlist, scr->current_workspace);

                                wRaiseFrame(wlist->frame->core);
                        }
                }
                wlist = next;
        }

        wapp->flags.skip_next_animation = 0;
        wapp->flags.hidden = 0;

        if (wapp->last_focused && wapp->last_focused->flags.mapped) {
                wRaiseFrame(wapp->last_focused->frame->core);
                wSetFocusTo(scr, wapp->last_focused);
        } else if (focused) {
                wSetFocusTo(scr, focused);
        }
        wapp->last_focused = NULL;
        if (wPreferences.auto_arrange_icons)
                wArrangeIcons(scr, True);

#ifdef HIDDENDOT
        wAppIconPaint(wapp->app_icon);
#endif
}

void wShowAllWindows(WScreen *scr)
{
        WWindow *wwin, *old_foc;
        WApplication *wapp;

        old_foc = wwin = scr->focused_window;
        while (wwin) {
                if (!wwin->flags.internal_window &&
                    (scr->current_workspace == wwin->frame->workspace || IS_OMNIPRESENT(wwin))) {
                        if (wwin->flags.miniaturized) {
                                wwin->flags.skip_next_animation = 1;
                                wDeiconifyWindow(wwin);
                        } else if (wwin->flags.hidden) {
                                wapp = wApplicationOf(wwin->main_window);
                                if (wapp) {
                                        wUnhideApplication(wapp, False, False);
                                } else {
                                        wwin->flags.skip_next_animation = 1;
                                        wDeiconifyWindow(wwin);
                                }
                        }
                }
                wwin = wwin->prev;
        }
        wSetFocusTo(scr, old_foc);
        /*wRaiseFrame(old_foc->frame->core); */
}

void wRefreshDesktop(WScreen *scr)
{
        Window win;
        XSetWindowAttributes attr;

        attr.backing_store = NotUseful;
        attr.save_under = False;
        win = XCreateWindow(dpy, scr->root_win, 0, 0, scr->scr_width,
                            scr->scr_height, 0, CopyFromParent, CopyFromParent,
                            (Visual *) CopyFromParent, CWBackingStore | CWSaveUnder, &attr);
        XMapRaised(dpy, win);
        XDestroyWindow(dpy, win);
        XFlush(dpy);
}

void wArrangeIcons(WScreen *scr, Bool arrangeAll)
{
        WWindow *wwin;
        WAppIcon *aicon;

        int head;
        const int heads = wXineramaHeads(scr);

        struct HeadVars {
                int pf;         /* primary axis */
                int sf;         /* secondary axis */
                int fullW;
                int fullH;
                int pi, si;
                int sx1, sx2, sy1, sy2; /* screen boundary */
                int sw, sh;
                int xo, yo;
                int xs, ys;
        } *vars;

        int isize = wPreferences.icon_size;

        vars = (struct HeadVars *)wmalloc(sizeof(struct HeadVars) * heads);

        for (head = 0; head < heads; ++head) {
                WArea area = wGetUsableAreaForHead(scr, head, NULL, False);
                WMRect rect;

                if (scr->dock) {
                        int offset = wPreferences.icon_size + DOCK_EXTRA_SPACE;

                        if (scr->dock->on_right_side)
                                area.x2 -= offset;
                        else
                                area.x1 += offset;
                }

                rect = wmkrect(area.x1, area.y1, area.x2 - area.x1, area.y2 - area.y1);

                vars[head].pi = vars[head].si = 0;
                vars[head].sx1 = rect.pos.x;
                vars[head].sy1 = rect.pos.y;
                vars[head].sw = rect.size.width;
                vars[head].sh = rect.size.height;
                vars[head].sx2 = vars[head].sx1 + vars[head].sw;
                vars[head].sy2 = vars[head].sy1 + vars[head].sh;
                vars[head].sw = isize * (vars[head].sw / isize);
                vars[head].sh = isize * (vars[head].sh / isize);
                vars[head].fullW = (vars[head].sx2 - vars[head].sx1) / isize;
                vars[head].fullH = (vars[head].sy2 - vars[head].sy1) / isize;

                /* icon yard boundaries */
                if (wPreferences.icon_yard & IY_VERT) {
                        vars[head].pf = vars[head].fullH;
                        vars[head].sf = vars[head].fullW;
                } else {
                        vars[head].pf = vars[head].fullW;
                        vars[head].sf = vars[head].fullH;
                }
                if (wPreferences.icon_yard & IY_RIGHT) {
                        vars[head].xo = vars[head].sx2 - isize;
                        vars[head].xs = -1;
                } else {
                        vars[head].xo = vars[head].sx1;
                        vars[head].xs = 1;
                }
                if (wPreferences.icon_yard & IY_TOP) {
                        vars[head].yo = vars[head].sy1;
                        vars[head].ys = 1;
                } else {
                        vars[head].yo = vars[head].sy2 - isize;
                        vars[head].ys = -1;
                }
        }

#define X ((wPreferences.icon_yard & IY_VERT) \
        ? vars[head].xo + vars[head].xs*(vars[head].si*isize) \
        : vars[head].xo + vars[head].xs*(vars[head].pi*isize))

#define Y ((wPreferences.icon_yard & IY_VERT) \
        ? vars[head].yo + vars[head].ys*(vars[head].pi*isize) \
        : vars[head].yo + vars[head].ys*(vars[head].si*isize))

        /* arrange application icons */
        aicon = scr->app_icon_list;
        /* reverse them to avoid unnecessarily sliding of icons */
        while (aicon && aicon->next)
                aicon = aicon->next;

        while (aicon) {
                if (!aicon->docked) {
                        /* CHECK: can icon be NULL here ? */
                        /* The intention here is to place the AppIcon on the head that
                         * contains most of the applications _main_ window. */
                        head = wGetHeadForWindow(aicon->icon->owner);

                        if (aicon->x_pos != X || aicon->y_pos != Y) {
#ifdef ANIMATIONS
                                if (!wPreferences.no_animations)
                                        SlideWindow(aicon->icon->core->window, aicon->x_pos, aicon->y_pos, X, Y);
#endif                          /* ANIMATIONS */
                        }
                        wAppIconMove(aicon, X, Y);
                        vars[head].pi++;
                        if (vars[head].pi >= vars[head].pf) {
                                vars[head].pi = 0;
                                vars[head].si++;
                        }
                }
                aicon = aicon->prev;
        }

        /* arrange miniwindows */
        wwin = scr->focused_window;
        /* reverse them to avoid unnecessarily shuffling */
        while (wwin && wwin->prev)
                wwin = wwin->prev;

        while (wwin) {
                if (wwin->icon && wwin->flags.miniaturized && !wwin->flags.hidden &&
                    (wwin->frame->workspace == scr->current_workspace ||
                     IS_OMNIPRESENT(wwin) || wPreferences.sticky_icons)) {

                        head = wGetHeadForWindow(wwin);

                        if (arrangeAll || !wwin->flags.icon_moved) {
                                if (wwin->icon_x != X || wwin->icon_y != Y)
                                        move_window(wwin->icon->core->window, wwin->icon_x, wwin->icon_y, X, Y);

                                wwin->icon_x = X;
                                wwin->icon_y = Y;

                                vars[head].pi++;
                                if (vars[head].pi >= vars[head].pf) {
                                        vars[head].pi = 0;
                                        vars[head].si++;
                                }
                        }
                }
                if (arrangeAll)
                        wwin->flags.icon_moved = 0;
                /* we reversed the order, so we use next */
                wwin = wwin->next;
        }

        wfree(vars);
}

void wSelectWindow(WWindow *wwin, Bool flag)
{
        WScreen *scr = wwin->screen_ptr;

        if (flag) {
                wwin->flags.selected = 1;
                if (wwin->frame->selected_border_pixel)
                        XSetWindowBorder(dpy, wwin->frame->core->window, *wwin->frame->selected_border_pixel);
                else
                        XSetWindowBorder(dpy, wwin->frame->core->window, scr->white_pixel);

                if (!HAS_BORDER(wwin))
                        XSetWindowBorderWidth(dpy, wwin->frame->core->window, wwin->screen_ptr->frame_border_width);

                if (!scr->selected_windows)
                        scr->selected_windows = WMCreateArray(4);
                WMAddToArray(scr->selected_windows, wwin);
        } else {
                wwin->flags.selected = 0;
                if (wwin->flags.focused) {
                        if (wwin->frame->focused_border_pixel)
                                XSetWindowBorder(dpy, wwin->frame->core->window, *wwin->frame->focused_border_pixel);
                        else
                                XSetWindowBorder(dpy, wwin->frame->core->window, scr->frame_focused_border_pixel);
                } else {
                        if (wwin->frame->border_pixel)
                                XSetWindowBorder(dpy, wwin->frame->core->window, *wwin->frame->border_pixel);
                        else
                                XSetWindowBorder(dpy, wwin->frame->core->window, scr->frame_border_pixel);
                }

                if (!HAS_BORDER(wwin))
                        XSetWindowBorderWidth(dpy, wwin->frame->core->window, 0);

                if (scr->selected_windows)
                        WMRemoveFromArray(scr->selected_windows, wwin);
        }
}

void wMakeWindowVisible(WWindow *wwin)
{
        if (wwin->frame->workspace != wwin->screen_ptr->current_workspace)
                wWorkspaceChange(wwin->screen_ptr, wwin->frame->workspace);

        if (wwin->flags.shaded)
                wUnshadeWindow(wwin);

        if (wwin->flags.hidden) {
                WApplication *app;

                app = wApplicationOf(wwin->main_window);
                if (app) {
                        /* trick to get focus to this window */
                        app->last_focused = wwin;
                        wUnhideApplication(app, False, False);
                }
        }
        if (wwin->flags.miniaturized) {
                wDeiconifyWindow(wwin);
        } else {
                if (!WFLAGP(wwin, no_focusable))
                        wSetFocusTo(wwin->screen_ptr, wwin);
                wRaiseFrame(wwin->frame->core);
        }
}

/*
 * Do the animation while shading (called with what = SHADE)
 * or unshading (what = UNSHADE).
 */
#ifdef ANIMATIONS
static void shade_animate(WWindow *wwin, Bool what)
{
        int y, s, w, h;
        time_t time0 = time(NULL);

        if (wwin->flags.skip_next_animation || wPreferences.no_animations)
                return;

        switch (what) {
        case SHADE:
                if (!wwin->screen_ptr->flags.startup) {
                        /* do the shading animation */
                        h = wwin->frame->core->height;
                        s = h / SHADE_STEPS;
                        if (s < 1)
                                s = 1;
                        w = wwin->frame->core->width;
                        y = wwin->frame->top_width;
                        while (h > wwin->frame->top_width + 1) {
                                XMoveWindow(dpy, wwin->client_win, 0, y);
                                XResizeWindow(dpy, wwin->frame->core->window, w, h);
                                XFlush(dpy);

                                if (time(NULL) - time0 > MAX_ANIMATION_TIME)
                                        break;

                                if (SHADE_DELAY > 0)
                                        wusleep(SHADE_DELAY * 1000L);
                                else
                                        wusleep(10);
                                h -= s;
                        y -= s;
                        }
                        XMoveWindow(dpy, wwin->client_win, 0, wwin->frame->top_width);
                }
                break;

        case UNSHADE:
                h = wwin->frame->top_width + wwin->frame->bottom_width;
                y = wwin->frame->top_width - wwin->client.height;
                s = abs(y) / SHADE_STEPS;
                if (s < 1)
                        s = 1;
                w = wwin->frame->core->width;
                XMoveWindow(dpy, wwin->client_win, 0, y);
                if (s > 0) {
                        while (h < wwin->client.height + wwin->frame->top_width + wwin->frame->bottom_width) {
                                XResizeWindow(dpy, wwin->frame->core->window, w, h);
                                XMoveWindow(dpy, wwin->client_win, 0, y);
                                XFlush(dpy);
                                if (SHADE_DELAY > 0)
                                        wusleep(SHADE_DELAY * 2000L / 3);
                                else
                                        wusleep(10);
                                h += s;
                                y += s;

                                if (time(NULL) - time0 > MAX_ANIMATION_TIME)
                                        break;
                        }
                }
                XMoveWindow(dpy, wwin->client_win, 0, wwin->frame->top_width);
                break;
        }
}
#endif