FreeRDP/client/X11/xf_floatbar.c
2021-06-30 11:57:23 +02:00

819 lines
20 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 Windows
*
* Licensed under the Apache License, Version 2.0 (the "License");n
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/shape.h>
#include <X11/cursorfont.h>
#include "xf_floatbar.h"
#include "resource/close.xbm"
#include "resource/lock.xbm"
#include "resource/unlock.xbm"
#include "resource/minimize.xbm"
#include "resource/restore.xbm"
#define TAG CLIENT_TAG("x11")
#define FLOATBAR_HEIGHT 26
#define FLOATBAR_DEFAULT_WIDTH 576
#define FLOATBAR_MIN_WIDTH 200
#define FLOATBAR_BORDER 24
#define FLOATBAR_BUTTON_WIDTH 24
#define FLOATBAR_COLOR_BACKGROUND "RGB:31/6c/a9"
#define FLOATBAR_COLOR_BORDER "RGB:75/9a/c8"
#define FLOATBAR_COLOR_FOREGROUND "RGB:FF/FF/FF"
#ifdef WITH_DEBUG_X11
#define DEBUG_X11(...) WLog_DBG(TAG, __VA_ARGS__)
#else
#define DEBUG_X11(...) \
do \
{ \
} while (0)
#endif
#define XF_FLOATBAR_MODE_NONE 0
#define XF_FLOATBAR_MODE_DRAGGING 1
#define XF_FLOATBAR_MODE_RESIZE_LEFT 2
#define XF_FLOATBAR_MODE_RESIZE_RIGHT 3
#define XF_FLOATBAR_BUTTON_CLOSE 1
#define XF_FLOATBAR_BUTTON_RESTORE 2
#define XF_FLOATBAR_BUTTON_MINIMIZE 3
#define XF_FLOATBAR_BUTTON_LOCKED 4
typedef BOOL (*OnClick)(xfFloatbar*);
typedef struct xf_floatbar_button xfFloatbarButton;
struct xf_floatbar
{
int x;
int y;
int width;
int height;
int mode;
int last_motion_x_root;
int last_motion_y_root;
bool locked;
xfFloatbarButton* buttons[4];
Window handle;
BOOL hasCursor;
xfContext* xfc;
DWORD flags;
BOOL created;
Window root_window;
char* title;
};
struct xf_floatbar_button
{
int x;
int y;
int type;
bool focus;
bool clicked;
OnClick onclick;
Window handle;
};
static xfFloatbarButton* xf_floatbar_new_button(xfFloatbar* floatbar, int type);
static BOOL xf_floatbar_button_onclick_close(xfFloatbar* floatbar)
{
if (!floatbar)
return FALSE;
return freerdp_abort_connect(floatbar->xfc->context.instance);
}
static BOOL xf_floatbar_button_onclick_minimize(xfFloatbar* floatbar)
{
xfContext* xfc;
if (!floatbar || !floatbar->xfc)
return FALSE;
xfc = floatbar->xfc;
xf_SetWindowMinimized(xfc, xfc->window);
return TRUE;
}
static BOOL xf_floatbar_button_onclick_restore(xfFloatbar* floatbar)
{
if (!floatbar)
return FALSE;
xf_toggle_fullscreen(floatbar->xfc);
return TRUE;
}
static BOOL xf_floatbar_button_onclick_locked(xfFloatbar* floatbar)
{
if (!floatbar)
return FALSE;
floatbar->locked = (floatbar->locked) ? FALSE : TRUE;
return xf_floatbar_hide_and_show(floatbar);
}
BOOL xf_floatbar_set_root_y(xfFloatbar* floatbar, int y)
{
if (!floatbar)
return FALSE;
floatbar->last_motion_y_root = y;
return TRUE;
}
BOOL xf_floatbar_hide_and_show(xfFloatbar* floatbar)
{
xfContext* xfc;
if (!floatbar || !floatbar->xfc)
return FALSE;
if (!floatbar->created)
return TRUE;
xfc = floatbar->xfc;
if (!floatbar->locked)
{
if ((floatbar->mode == XF_FLOATBAR_MODE_NONE) && (floatbar->last_motion_y_root > 10) &&
(floatbar->y > (FLOATBAR_HEIGHT * -1)))
{
floatbar->y = floatbar->y - 1;
XMoveWindow(xfc->display, floatbar->handle, floatbar->x, floatbar->y);
}
else if (floatbar->y < 0 && (floatbar->last_motion_y_root < 10))
{
floatbar->y = floatbar->y + 1;
XMoveWindow(xfc->display, floatbar->handle, floatbar->x, floatbar->y);
}
}
return TRUE;
}
static BOOL create_floatbar(xfFloatbar* floatbar)
{
xfContext* xfc;
Status status;
XWindowAttributes attr;
if (floatbar->created)
return TRUE;
xfc = floatbar->xfc;
status = XGetWindowAttributes(xfc->display, floatbar->root_window, &attr);
if (status != 0)
{
WLog_WARN(TAG, "XGetWindowAttributes returned %d", status);
return FALSE;
}
floatbar->x = attr.x + attr.width / 2 - FLOATBAR_DEFAULT_WIDTH / 2;
floatbar->y = 0;
if (((floatbar->flags & 0x0004) == 0) && !floatbar->locked)
floatbar->y = -FLOATBAR_HEIGHT + 1;
floatbar->handle =
XCreateWindow(xfc->display, floatbar->root_window, floatbar->x, 0, FLOATBAR_DEFAULT_WIDTH,
FLOATBAR_HEIGHT, 0, CopyFromParent, InputOutput, CopyFromParent, 0, NULL);
floatbar->width = FLOATBAR_DEFAULT_WIDTH;
floatbar->height = FLOATBAR_HEIGHT;
floatbar->mode = XF_FLOATBAR_MODE_NONE;
floatbar->buttons[0] = xf_floatbar_new_button(floatbar, XF_FLOATBAR_BUTTON_CLOSE);
floatbar->buttons[1] = xf_floatbar_new_button(floatbar, XF_FLOATBAR_BUTTON_RESTORE);
floatbar->buttons[2] = xf_floatbar_new_button(floatbar, XF_FLOATBAR_BUTTON_MINIMIZE);
floatbar->buttons[3] = xf_floatbar_new_button(floatbar, XF_FLOATBAR_BUTTON_LOCKED);
XSelectInput(xfc->display, floatbar->handle,
ExposureMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask |
FocusChangeMask | LeaveWindowMask | EnterWindowMask | StructureNotifyMask |
PropertyChangeMask);
floatbar->created = TRUE;
return TRUE;
}
BOOL xf_floatbar_toggle_fullscreen(xfFloatbar* floatbar, bool fullscreen)
{
int i, size;
bool visible = False;
xfContext* xfc;
if (!floatbar || !floatbar->xfc)
return FALSE;
xfc = floatbar->xfc;
/* Only visible if enabled */
if (floatbar->flags & 0x0001)
{
/* Visible if fullscreen and flag visible in fullscreen mode */
visible |= ((floatbar->flags & 0x0010) != 0) && fullscreen;
/* Visible if window and flag visible in window mode */
visible |= ((floatbar->flags & 0x0020) != 0) && !fullscreen;
}
if (visible)
{
if (!create_floatbar(floatbar))
return FALSE;
XMapWindow(xfc->display, floatbar->handle);
size = ARRAYSIZE(floatbar->buttons);
for (i = 0; i < size; i++)
{
XMapWindow(xfc->display, floatbar->buttons[i]->handle);
}
/* If default is hidden (and not sticky) don't show on fullscreen state changes */
if (((floatbar->flags & 0x0004) == 0) && !floatbar->locked)
floatbar->y = -FLOATBAR_HEIGHT + 1;
xf_floatbar_hide_and_show(floatbar);
}
else if (floatbar->created)
{
XUnmapSubwindows(xfc->display, floatbar->handle);
XUnmapWindow(xfc->display, floatbar->handle);
}
return TRUE;
}
xfFloatbarButton* xf_floatbar_new_button(xfFloatbar* floatbar, int type)
{
xfFloatbarButton* button;
button = (xfFloatbarButton*)calloc(1, sizeof(xfFloatbarButton));
button->type = type;
switch (type)
{
case XF_FLOATBAR_BUTTON_CLOSE:
button->x = floatbar->width - FLOATBAR_BORDER - FLOATBAR_BUTTON_WIDTH * type;
button->onclick = xf_floatbar_button_onclick_close;
break;
case XF_FLOATBAR_BUTTON_RESTORE:
button->x = floatbar->width - FLOATBAR_BORDER - FLOATBAR_BUTTON_WIDTH * type;
button->onclick = xf_floatbar_button_onclick_restore;
break;
case XF_FLOATBAR_BUTTON_MINIMIZE:
button->x = floatbar->width - FLOATBAR_BORDER - FLOATBAR_BUTTON_WIDTH * type;
button->onclick = xf_floatbar_button_onclick_minimize;
break;
case XF_FLOATBAR_BUTTON_LOCKED:
button->x = FLOATBAR_BORDER;
button->onclick = xf_floatbar_button_onclick_locked;
break;
default:
break;
}
button->y = 0;
button->focus = FALSE;
button->handle = XCreateWindow(floatbar->xfc->display, floatbar->handle, button->x, 0,
FLOATBAR_BUTTON_WIDTH, FLOATBAR_BUTTON_WIDTH, 0, CopyFromParent,
InputOutput, CopyFromParent, 0, NULL);
XSelectInput(floatbar->xfc->display, button->handle,
ExposureMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask |
LeaveWindowMask | EnterWindowMask | StructureNotifyMask);
return button;
}
xfFloatbar* xf_floatbar_new(xfContext* xfc, Window window, const char* name, DWORD flags)
{
xfFloatbar* floatbar;
/* Floatbar not enabled */
if ((flags & 0x0001) == 0)
return NULL;
if (!xfc)
return NULL;
/* Force disable with remote app */
if (xfc->remote_app)
return NULL;
floatbar = (xfFloatbar*)calloc(1, sizeof(xfFloatbar));
if (!floatbar)
return NULL;
floatbar->title = _strdup(name);
if (!floatbar->title)
goto fail;
floatbar->root_window = window;
floatbar->flags = flags;
floatbar->xfc = xfc;
floatbar->locked = flags & 0x0002;
xf_floatbar_toggle_fullscreen(floatbar, FALSE);
return floatbar;
fail:
xf_floatbar_free(floatbar);
return NULL;
}
static unsigned long xf_floatbar_get_color(xfFloatbar* floatbar, char* rgb_value)
{
Colormap cmap;
XColor color;
Display* display = floatbar->xfc->display;
cmap = DefaultColormap(display, XDefaultScreen(display));
XParseColor(display, cmap, rgb_value, &color);
XAllocColor(display, cmap, &color);
return color.pixel;
}
static void xf_floatbar_event_expose(xfFloatbar* floatbar)
{
GC gc, shape_gc;
Pixmap pmap;
XPoint shape[5], border[5];
int len;
Display* display = floatbar->xfc->display;
/* create the pixmap that we'll use for shaping the window */
pmap = XCreatePixmap(display, floatbar->handle, floatbar->width, floatbar->height, 1);
gc = XCreateGC(display, floatbar->handle, 0, 0);
shape_gc = XCreateGC(display, pmap, 0, 0);
/* points for drawing the floatbar */
shape[0].x = 0;
shape[0].y = 0;
shape[1].x = floatbar->width;
shape[1].y = 0;
shape[2].x = shape[1].x - FLOATBAR_BORDER;
shape[2].y = FLOATBAR_HEIGHT;
shape[3].x = shape[0].x + FLOATBAR_BORDER;
shape[3].y = FLOATBAR_HEIGHT;
shape[4].x = shape[0].x;
shape[4].y = shape[0].y;
/* points for drawing the border of the floatbar */
border[0].x = shape[0].x;
border[0].y = shape[0].y - 1;
border[1].x = shape[1].x - 1;
border[1].y = shape[1].y - 1;
border[2].x = shape[2].x;
border[2].y = shape[2].y - 1;
border[3].x = shape[3].x - 1;
border[3].y = shape[3].y - 1;
border[4].x = border[0].x;
border[4].y = border[0].y;
/* Fill all pixels with 0 */
XSetForeground(display, shape_gc, 0);
XFillRectangle(display, pmap, shape_gc, 0, 0, floatbar->width, floatbar->height);
/* Fill all pixels which should be shown with 1 */
XSetForeground(display, shape_gc, 1);
XFillPolygon(display, pmap, shape_gc, shape, 5, 0, CoordModeOrigin);
XShapeCombineMask(display, floatbar->handle, ShapeBounding, 0, 0, pmap, ShapeSet);
/* draw the float bar */
XSetForeground(display, gc, xf_floatbar_get_color(floatbar, FLOATBAR_COLOR_BACKGROUND));
XFillPolygon(display, floatbar->handle, gc, shape, 4, 0, CoordModeOrigin);
/* draw an border for the floatbar */
XSetForeground(display, gc, xf_floatbar_get_color(floatbar, FLOATBAR_COLOR_BORDER));
XDrawLines(display, floatbar->handle, gc, border, 5, CoordModeOrigin);
/* draw the host name connected to (limit to maximum file name) */
len = strnlen(floatbar->title, MAX_PATH);
XSetForeground(display, gc, xf_floatbar_get_color(floatbar, FLOATBAR_COLOR_FOREGROUND));
XDrawString(display, floatbar->handle, gc, floatbar->width / 2 - len * 2, 15, floatbar->title,
len);
XFreeGC(display, gc);
XFreeGC(display, shape_gc);
}
static xfFloatbarButton* xf_floatbar_get_button(xfFloatbar* floatbar, Window window)
{
int i, size;
size = ARRAYSIZE(floatbar->buttons);
for (i = 0; i < size; i++)
{
if (floatbar->buttons[i]->handle == window)
{
return floatbar->buttons[i];
}
}
return NULL;
}
static void xf_floatbar_button_update_positon(xfFloatbar* floatbar)
{
xfFloatbarButton* button;
int i, size;
xfContext* xfc = floatbar->xfc;
size = ARRAYSIZE(floatbar->buttons);
for (i = 0; i < size; i++)
{
button = floatbar->buttons[i];
switch (button->type)
{
case XF_FLOATBAR_BUTTON_CLOSE:
button->x =
floatbar->width - FLOATBAR_BORDER - FLOATBAR_BUTTON_WIDTH * button->type;
break;
case XF_FLOATBAR_BUTTON_RESTORE:
button->x =
floatbar->width - FLOATBAR_BORDER - FLOATBAR_BUTTON_WIDTH * button->type;
break;
case XF_FLOATBAR_BUTTON_MINIMIZE:
button->x =
floatbar->width - FLOATBAR_BORDER - FLOATBAR_BUTTON_WIDTH * button->type;
break;
default:
break;
}
XMoveWindow(xfc->display, button->handle, button->x, button->y);
xf_floatbar_event_expose(floatbar);
}
}
static void xf_floatbar_button_event_expose(xfFloatbar* floatbar, Window window)
{
xfFloatbarButton* button = xf_floatbar_get_button(floatbar, window);
static unsigned char* bits;
GC gc;
Pixmap pattern;
xfContext* xfc = floatbar->xfc;
if (!button)
return;
gc = XCreateGC(xfc->display, button->handle, 0, 0);
floatbar = xfc->window->floatbar;
switch (button->type)
{
case XF_FLOATBAR_BUTTON_CLOSE:
bits = close_bits;
break;
case XF_FLOATBAR_BUTTON_RESTORE:
bits = restore_bits;
break;
case XF_FLOATBAR_BUTTON_MINIMIZE:
bits = minimize_bits;
break;
case XF_FLOATBAR_BUTTON_LOCKED:
if (floatbar->locked)
bits = lock_bits;
else
bits = unlock_bits;
break;
default:
break;
}
pattern = XCreateBitmapFromData(xfc->display, button->handle, (const char*)bits,
FLOATBAR_BUTTON_WIDTH, FLOATBAR_BUTTON_WIDTH);
if (!(button->focus))
XSetForeground(xfc->display, gc,
xf_floatbar_get_color(floatbar, FLOATBAR_COLOR_BACKGROUND));
else
XSetForeground(xfc->display, gc, xf_floatbar_get_color(floatbar, FLOATBAR_COLOR_BORDER));
XSetBackground(xfc->display, gc, xf_floatbar_get_color(floatbar, FLOATBAR_COLOR_FOREGROUND));
XCopyPlane(xfc->display, pattern, button->handle, gc, 0, 0, FLOATBAR_BUTTON_WIDTH,
FLOATBAR_BUTTON_WIDTH, 0, 0, 1);
XFreePixmap(xfc->display, pattern);
XFreeGC(xfc->display, gc);
}
static void xf_floatbar_button_event_buttonpress(xfFloatbar* floatbar, const XButtonEvent* event)
{
xfFloatbarButton* button = xf_floatbar_get_button(floatbar, event->window);
if (button)
button->clicked = TRUE;
}
static void xf_floatbar_button_event_buttonrelease(xfFloatbar* floatbar, const XButtonEvent* event)
{
xfFloatbarButton* button;
button = xf_floatbar_get_button(floatbar, event->window);
if (button)
{
if (button->clicked)
button->onclick(floatbar);
button->clicked = FALSE;
}
}
static void xf_floatbar_event_buttonpress(xfFloatbar* floatbar, const XButtonEvent* event)
{
switch (event->button)
{
case Button1:
if (event->x <= FLOATBAR_BORDER)
floatbar->mode = XF_FLOATBAR_MODE_RESIZE_LEFT;
else if (event->x >= (floatbar->width - FLOATBAR_BORDER))
floatbar->mode = XF_FLOATBAR_MODE_RESIZE_RIGHT;
else
floatbar->mode = XF_FLOATBAR_MODE_DRAGGING;
break;
default:
break;
}
}
static void xf_floatbar_event_buttonrelease(xfFloatbar* floatbar, const XButtonEvent* event)
{
switch (event->button)
{
case Button1:
floatbar->mode = XF_FLOATBAR_MODE_NONE;
break;
default:
break;
}
}
static void xf_floatbar_resize(xfFloatbar* floatbar, const XMotionEvent* event)
{
int x, width, movement;
xfContext* xfc = floatbar->xfc;
/* calculate movement which happened on the root window */
movement = event->x_root - floatbar->last_motion_x_root;
/* set x and width depending if movement happens on the left or right */
if (floatbar->mode == XF_FLOATBAR_MODE_RESIZE_LEFT)
{
x = floatbar->x + movement;
width = floatbar->width + movement * -1;
}
else
{
x = floatbar->x;
width = floatbar->width + movement;
}
/* only resize and move window if still above minimum width */
if (FLOATBAR_MIN_WIDTH < width)
{
XMoveResizeWindow(xfc->display, floatbar->handle, x, 0, width, floatbar->height);
floatbar->x = x;
floatbar->width = width;
}
}
static void xf_floatbar_dragging(xfFloatbar* floatbar, const XMotionEvent* event)
{
int x, movement;
xfContext* xfc = floatbar->xfc;
/* calculate movement and new x position */
movement = event->x_root - floatbar->last_motion_x_root;
x = floatbar->x + movement;
/* do nothing if floatbar would be moved out of the window */
if (x < 0 || (x + floatbar->width) > xfc->window->width)
return;
/* move window to new x position */
XMoveWindow(xfc->display, floatbar->handle, x, 0);
/* update struct values for the next event */
floatbar->last_motion_x_root = floatbar->last_motion_x_root + movement;
floatbar->x = x;
}
static void xf_floatbar_event_motionnotify(xfFloatbar* floatbar, const XMotionEvent* event)
{
int mode;
Cursor cursor;
xfContext* xfc = floatbar->xfc;
mode = floatbar->mode;
cursor = XCreateFontCursor(xfc->display, XC_arrow);
if ((event->state & Button1Mask) && (mode > XF_FLOATBAR_MODE_DRAGGING))
{
xf_floatbar_resize(floatbar, event);
}
else if ((event->state & Button1Mask) && (mode == XF_FLOATBAR_MODE_DRAGGING))
{
xf_floatbar_dragging(floatbar, event);
}
else
{
if (event->x <= FLOATBAR_BORDER || event->x >= floatbar->width - FLOATBAR_BORDER)
cursor = XCreateFontCursor(xfc->display, XC_sb_h_double_arrow);
}
XDefineCursor(xfc->display, xfc->window->handle, cursor);
XFreeCursor(xfc->display, cursor);
floatbar->last_motion_x_root = event->x_root;
}
static void xf_floatbar_button_event_focusin(xfFloatbar* floatbar, const XAnyEvent* event)
{
xfFloatbarButton* button;
button = xf_floatbar_get_button(floatbar, event->window);
if (button)
{
button->focus = TRUE;
xf_floatbar_button_event_expose(floatbar, event->window);
}
}
static void xf_floatbar_button_event_focusout(xfFloatbar* floatbar, const XAnyEvent* event)
{
xfFloatbarButton* button;
button = xf_floatbar_get_button(floatbar, event->window);
if (button)
{
button->focus = FALSE;
xf_floatbar_button_event_expose(floatbar, event->window);
}
}
static void xf_floatbar_event_focusout(xfFloatbar* floatbar)
{
xfContext* xfc = floatbar->xfc;
if (xfc->pointer)
{
XDefineCursor(xfc->display, xfc->window->handle, xfc->pointer->cursor);
}
}
BOOL xf_floatbar_check_event(xfFloatbar* floatbar, const XEvent* event)
{
xfFloatbarButton* button;
size_t i, size;
if (!floatbar || !floatbar->xfc || !event)
return FALSE;
if (!floatbar->created)
return FALSE;
if (event->xany.window == floatbar->handle)
return TRUE;
size = ARRAYSIZE(floatbar->buttons);
for (i = 0; i < size; i++)
{
button = floatbar->buttons[i];
if (event->xany.window == button->handle)
return TRUE;
}
return FALSE;
}
BOOL xf_floatbar_event_process(xfFloatbar* floatbar, const XEvent* event)
{
if (!floatbar || !floatbar->xfc || !event)
return FALSE;
if (!floatbar->created)
return FALSE;
switch (event->type)
{
case Expose:
if (event->xexpose.window == floatbar->handle)
xf_floatbar_event_expose(floatbar);
else
xf_floatbar_button_event_expose(floatbar, event->xexpose.window);
break;
case MotionNotify:
xf_floatbar_event_motionnotify(floatbar, &event->xmotion);
break;
case ButtonPress:
if (event->xany.window == floatbar->handle)
xf_floatbar_event_buttonpress(floatbar, &event->xbutton);
else
xf_floatbar_button_event_buttonpress(floatbar, &event->xbutton);
break;
case ButtonRelease:
if (event->xany.window == floatbar->handle)
xf_floatbar_event_buttonrelease(floatbar, &event->xbutton);
else
xf_floatbar_button_event_buttonrelease(floatbar, &event->xbutton);
break;
case EnterNotify:
case FocusIn:
if (event->xany.window != floatbar->handle)
xf_floatbar_button_event_focusin(floatbar, &event->xany);
break;
case LeaveNotify:
case FocusOut:
if (event->xany.window == floatbar->handle)
xf_floatbar_event_focusout(floatbar);
else
xf_floatbar_button_event_focusout(floatbar, &event->xany);
break;
case ConfigureNotify:
if (event->xany.window == floatbar->handle)
xf_floatbar_button_update_positon(floatbar);
break;
case PropertyNotify:
if (event->xany.window == floatbar->handle)
xf_floatbar_button_update_positon(floatbar);
break;
default:
break;
}
return floatbar->handle == event->xany.window;
}
static void xf_floatbar_button_free(xfContext* xfc, xfFloatbarButton* button)
{
if (!button)
return;
if (button->handle)
{
XUnmapWindow(xfc->display, button->handle);
XDestroyWindow(xfc->display, button->handle);
}
free(button);
}
void xf_floatbar_free(xfFloatbar* floatbar)
{
size_t i, size;
xfContext* xfc;
if (!floatbar)
return;
free(floatbar->title);
xfc = floatbar->xfc;
size = ARRAYSIZE(floatbar->buttons);
for (i = 0; i < size; i++)
{
xf_floatbar_button_free(xfc, floatbar->buttons[i]);
floatbar->buttons[i] = NULL;
}
if (floatbar->handle)
{
XUnmapWindow(xfc->display, floatbar->handle);
XDestroyWindow(xfc->display, floatbar->handle);
}
free(floatbar);
}