FreeRDP/client/X11/xf_window.c

755 lines
20 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* X11 Windows
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* 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 <stdarg.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <freerdp/rail.h>
#include <freerdp/utils/rail.h>
#ifdef WITH_XEXT
#include <X11/extensions/shape.h>
#endif
#include "FreeRDP_Icon_256px.h"
#define xf_icon_prop FreeRDP_Icon_256px_prop
#include "xf_window.h"
/* Extended Window Manager Hints: http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html */
/* bit definitions for MwmHints.flags */
#define MWM_HINTS_FUNCTIONS (1L << 0)
#define MWM_HINTS_DECORATIONS (1L << 1)
#define MWM_HINTS_INPUT_MODE (1L << 2)
#define MWM_HINTS_STATUS (1L << 3)
/* bit definitions for MwmHints.functions */
#define MWM_FUNC_ALL (1L << 0)
#define MWM_FUNC_RESIZE (1L << 1)
#define MWM_FUNC_MOVE (1L << 2)
#define MWM_FUNC_MINIMIZE (1L << 3)
#define MWM_FUNC_MAXIMIZE (1L << 4)
#define MWM_FUNC_CLOSE (1L << 5)
/* bit definitions for MwmHints.decorations */
#define MWM_DECOR_ALL (1L << 0)
#define MWM_DECOR_BORDER (1L << 1)
#define MWM_DECOR_RESIZEH (1L << 2)
#define MWM_DECOR_TITLE (1L << 3)
#define MWM_DECOR_MENU (1L << 4)
#define MWM_DECOR_MINIMIZE (1L << 5)
#define MWM_DECOR_MAXIMIZE (1L << 6)
#define PROP_MOTIF_WM_HINTS_ELEMENTS 5
struct _PropMotifWmHints
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
};
typedef struct _PropMotifWmHints PropMotifWmHints;
/**
* Post an event from the client to the X server
*/
void xf_SendClientEvent(xfInfo *xfi, xfWindow* window, Atom atom, unsigned int numArgs, ...)
{
XEvent xevent;
unsigned int i;
va_list argp;
va_start(argp, numArgs);
xevent.xclient.type = ClientMessage;
xevent.xclient.serial = 0;
xevent.xclient.send_event = False;
xevent.xclient.display = xfi->display;
xevent.xclient.window = window->handle;
xevent.xclient.message_type = atom;
xevent.xclient.format = 32;
for (i=0; i<numArgs; i++)
{
xevent.xclient.data.l[i] = va_arg(argp, int);
}
DEBUG_X11("Send ClientMessage Event: wnd=0x%04X", (unsigned int) xevent.xclient.window);
XSendEvent(xfi->display, RootWindowOfScreen(xfi->screen), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xevent);
XSync(xfi->display, False);
va_end(argp);
}
void xf_SetWindowFullscreen(xfInfo* xfi, xfWindow* window, boolean fullscreen)
{
if (fullscreen)
{
xf_SetWindowDecorations(xfi, window, false);
XMoveResizeWindow(xfi->display, window->handle, 0, 0, window->width, window->height);
XMapRaised(xfi->display, window->handle);
window->fullscreen = true;
}
}
/* http://tronche.com/gui/x/xlib/window-information/XGetWindowProperty.html */
boolean xf_GetWindowProperty(xfInfo* xfi, Window window, Atom property, int length,
unsigned long* nitems, unsigned long* bytes, uint8** prop)
{
int status;
Atom actual_type;
int actual_format;
if (property == None)
return false;
status = XGetWindowProperty(xfi->display, window,
property, 0, length, false, AnyPropertyType,
&actual_type, &actual_format, nitems, bytes, prop);
if (status != Success)
return false;
if (actual_type == None)
{
DEBUG_WARN("Property %lu does not exist", property);
return false;
}
return true;
}
boolean xf_GetCurrentDesktop(xfInfo* xfi)
{
boolean status;
unsigned long nitems;
unsigned long bytes;
unsigned char* prop;
status = xf_GetWindowProperty(xfi, DefaultRootWindow(xfi->display),
xfi->_NET_CURRENT_DESKTOP, 1, &nitems, &bytes, &prop);
if (status != true) {
return false;
}
xfi->current_desktop = (int) *prop;
xfree(prop);
return true;
}
boolean xf_GetWorkArea(xfInfo* xfi)
{
long* plong;
boolean status;
unsigned long nitems;
unsigned long bytes;
unsigned char* prop;
status = xf_GetCurrentDesktop(xfi);
if (status != true)
return false;
status = xf_GetWindowProperty(xfi, DefaultRootWindow(xfi->display),
xfi->_NET_WORKAREA, 32 * 4, &nitems, &bytes, &prop);
if (status != true)
return false;
if ((xfi->current_desktop * 4 + 3) >= nitems) {
xfree(prop);
return false;
}
plong = (long*) prop;
xfi->workArea.x = plong[xfi->current_desktop * 4 + 0];
xfi->workArea.y = plong[xfi->current_desktop * 4 + 1];
xfi->workArea.width = plong[xfi->current_desktop * 4 + 2];
xfi->workArea.height = plong[xfi->current_desktop * 4 + 3];
xfree(prop);
return true;
}
void xf_SetWindowDecorations(xfInfo* xfi, xfWindow* window, boolean show)
{
PropMotifWmHints hints;
hints.decorations = (show) ? MWM_DECOR_ALL : 0;
hints.functions = MWM_FUNC_ALL ;
hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
XChangeProperty(xfi->display, window->handle, xfi->_MOTIF_WM_HINTS, xfi->_MOTIF_WM_HINTS, 32,
PropModeReplace, (uint8*) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
}
void xf_SetWindowUnlisted(xfInfo* xfi, xfWindow* window)
{
Atom window_state[2];
window_state[0] = xfi->_NET_WM_STATE_SKIP_PAGER;
window_state[1] = xfi->_NET_WM_STATE_SKIP_TASKBAR;
XChangeProperty(xfi->display, window->handle, xfi->_NET_WM_STATE,
XA_ATOM, 32, PropModeReplace, (uint8*) &window_state, 2);
}
void xf_SetWindowStyle(xfInfo* xfi, xfWindow* window, uint32 style, uint32 ex_style)
{
Atom window_type;
if ((ex_style & WS_EX_TOPMOST) || (ex_style & WS_EX_TOOLWINDOW))
{
/*
* These include tool tips, dropdown menus, etc. These won't work
* correctly if the local window manager resizes or moves them.
* Set override redirect to prevent this from occurring.
*/
XSetWindowAttributes attrs;
attrs.override_redirect = True;
XChangeWindowAttributes(xfi->display, window->handle, CWOverrideRedirect, &attrs);
window->is_transient = true;
xf_SetWindowUnlisted(xfi, window);
window_type = xfi->_NET_WM_WINDOW_TYPE_POPUP;
}
else if (style & WS_POPUP)
{
/* this includes dialogs, popups, etc, that need to be full-fledged windows */
window_type = xfi->_NET_WM_WINDOW_TYPE_DIALOG;
xf_SetWindowUnlisted(xfi, window);
}
else
{
window_type = xfi->_NET_WM_WINDOW_TYPE_NORMAL;
}
XChangeProperty(xfi->display, window->handle, xfi->_NET_WM_WINDOW_TYPE,
XA_ATOM, 32, PropModeReplace, (uint8*) &window_type, 1);
}
xfWindow* xf_CreateDesktopWindow(xfInfo* xfi, char* name, int width, int height, boolean decorations)
{
xfWindow* window;
window = (xfWindow*) xzalloc(sizeof(xfWindow));
if (window != NULL)
{
int input_mask;
XClassHint* class_hints;
window->width = width;
window->height = height;
window->fullscreen = false;
window->decorations = decorations;
window->local_move.state = LMS_NOT_ACTIVE;
window->is_mapped = false;
window->is_transient = false;
window->handle = XCreateWindow(xfi->display, RootWindowOfScreen(xfi->screen),
xfi->workArea.x, xfi->workArea.y, xfi->width, xfi->height, 0, xfi->depth, InputOutput, xfi->visual,
CWBackPixel | CWBackingStore | CWOverrideRedirect | CWColormap |
CWBorderPixel | CWWinGravity | CWBitGravity, &xfi->attribs);
class_hints = XAllocClassHint();
if (class_hints != NULL)
{
class_hints->res_name = "xfreerdp";
class_hints->res_class = "xfreerdp";
XSetClassHint(xfi->display, window->handle, class_hints);
XFree(class_hints);
}
xf_ResizeDesktopWindow(xfi, window, width, height);
xf_SetWindowDecorations(xfi, window, decorations);
input_mask =
KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
VisibilityChangeMask | FocusChangeMask | StructureNotifyMask |
PointerMotionMask | ExposureMask | PropertyChangeMask;
if (xfi->grab_keyboard)
input_mask |= EnterWindowMask | LeaveWindowMask;
XChangeProperty(xfi->display, window->handle, xfi->_NET_WM_ICON, XA_CARDINAL, 32,
PropModeReplace, (uint8*) xf_icon_prop, sizeof(xf_icon_prop) / sizeof(long));
XSelectInput(xfi->display, window->handle, input_mask);
XMapWindow(xfi->display, window->handle);
}
XStoreName(xfi->display, window->handle, name);
return window;
}
void xf_ResizeDesktopWindow(xfInfo* xfi, xfWindow* window, int width, int height)
{
XSizeHints* size_hints;
size_hints = XAllocSizeHints();
if (size_hints)
{
size_hints->flags = PMinSize | PMaxSize;
size_hints->min_width = size_hints->max_width = xfi->width;
size_hints->min_height = size_hints->max_height = xfi->height;
XSetWMNormalHints(xfi->display, window->handle, size_hints);
XFree(size_hints);
}
}
void xf_FixWindowCoordinates(xfInfo* xfi, int* x, int* y, int* width, int* height)
{
int vscreen_width;
int vscreen_height;
vscreen_width = xfi->vscreen.area.right - xfi->vscreen.area.left + 1;
vscreen_height = xfi->vscreen.area.bottom - xfi->vscreen.area.top + 1;
if (*width < 1)
{
*width = 1;
}
if (*height < 1)
{
*height = 1;
}
if (*x < xfi->vscreen.area.left)
{
*width += *x;
*x = xfi->vscreen.area.left;
}
if (*y < xfi->vscreen.area.top)
{
*height += *y;
*y = xfi->vscreen.area.top;
}
if (*width > vscreen_width)
{
*width = vscreen_width;
}
if (*height > vscreen_height)
{
*height = vscreen_height;
}
}
char rail_window_class[] = "RAIL:00000000";
xfWindow* xf_CreateWindow(xfInfo* xfi, rdpWindow* wnd, int x, int y, int width, int height, uint32 id)
{
xfWindow* window;
window = (xfWindow*) xzalloc(sizeof(xfWindow));
xf_FixWindowCoordinates(xfi, &x, &y, &width, &height);
window->left = x;
window->top = y;
window->right = x + width - 1;
window->bottom = y + height - 1;
window->width = width;
window->height = height;
XGCValues gcv;
XClassHint* class_hints;
int input_mask;
window->decorations = false;
window->fullscreen = false;
window->window = wnd;
window->local_move.state = LMS_NOT_ACTIVE;
window->is_mapped = false;
window->is_transient = false;
window->handle = XCreateWindow(xfi->display, RootWindowOfScreen(xfi->screen),
x, y, window->width, window->height, 0, xfi->depth, InputOutput, xfi->visual,
CWBackPixel | CWBackingStore | CWOverrideRedirect | CWColormap |
CWBorderPixel | CWWinGravity | CWBitGravity, &xfi->attribs);
DEBUG_X11_LMS("Create window=0x%X rc={l=%d t=%d r=%d b=%d} w=%d h=%d rdp=0x%X",
(uint32) window->handle, window->left, window->top, window->right, window->bottom,
window->width, window->height, wnd->windowId);
xf_SetWindowDecorations(xfi, window, window->decorations);
xf_SetWindowStyle(xfi, window, wnd->style, wnd->extendedStyle);
class_hints = XAllocClassHint();
if (class_hints != NULL)
{
char* class;
class = xmalloc(sizeof(rail_window_class));
snprintf(class, sizeof(rail_window_class), "RAIL:%08X", id);
class_hints->res_name = "RAIL";
class_hints->res_class = class;
XSetClassHint(xfi->display, window->handle, class_hints);
XFree(class_hints);
xfree(class);
}
XSetWMProtocols(xfi->display, window->handle, &(xfi->WM_DELETE_WINDOW), 1);
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask |
ButtonReleaseMask | EnterWindowMask | LeaveWindowMask |
PointerMotionMask | Button1MotionMask | Button2MotionMask |
Button3MotionMask | Button4MotionMask | Button5MotionMask |
ButtonMotionMask | KeymapStateMask | ExposureMask |
VisibilityChangeMask | StructureNotifyMask | SubstructureNotifyMask |
SubstructureRedirectMask | FocusChangeMask | PropertyChangeMask |
ColormapChangeMask | OwnerGrabButtonMask;
XSelectInput(xfi->display, window->handle, input_mask);
XMapWindow(xfi->display, window->handle);
memset(&gcv, 0, sizeof(gcv));
window->gc = XCreateGC(xfi->display, window->handle, GCGraphicsExposures, &gcv);
xf_MoveWindow(xfi, window, x, y, width, height);
return window;
}
void xf_SetWindowMinMaxInfo(xfInfo* xfi, xfWindow* window,
int maxWidth, int maxHeight, int maxPosX, int maxPosY,
int minTrackWidth, int minTrackHeight, int maxTrackWidth, int maxTrackHeight)
{
XSizeHints* size_hints;
size_hints = XAllocSizeHints();
if (size_hints)
{
size_hints->flags = PMinSize | PMaxSize | PResizeInc;
size_hints->min_width = minTrackWidth;
size_hints->min_height = minTrackHeight;
size_hints->max_width = maxTrackWidth;
size_hints->max_height = maxTrackHeight;
/* to speedup window drawing we need to select optimal value for sizing step. */
size_hints->width_inc = size_hints->height_inc = 1;
XSetWMNormalHints(xfi->display, window->handle, size_hints);
XFree(size_hints);
}
}
void xf_StartLocalMoveSize(xfInfo* xfi, xfWindow* window, int direction, int x, int y)
{
Window child_window;
#ifdef WITH_DEBUG_X11_LOCAL_MOVESIZE
rdpWindow* wnd = window->window;
#endif
DEBUG_X11_LMS("direction=%d window=0x%X rc={l=%d t=%d r=%d b=%d} w=%d h=%d "
"RDP=0x%X rc={l=%d t=%d} w=%d h=%d mouse_x=%d mouse_y=%d",
direction, (uint32) window->handle,
window->left, window->top, window->right, window->bottom,
window->width, window->height, wnd->windowId,
wnd->windowOffsetX, wnd->windowOffsetY,
wnd->windowWidth, wnd->windowHeight, x, y);
window->local_move.root_x = x;
window->local_move.root_y = y;
window->local_move.state = LMS_STARTING;
XTranslateCoordinates(xfi->display, RootWindowOfScreen(xfi->screen), window->handle,
window->local_move.root_x,
window->local_move.root_y,
&window->local_move.window_x,
&window->local_move.window_y,
&child_window);
XUngrabPointer(xfi->display, CurrentTime);
xf_SendClientEvent(xfi, window,
xfi->_NET_WM_MOVERESIZE, /* request X window manager to initiate a local move */
5, /* 5 arguments to follow */
x, /* x relative to root window */
y, /* y relative to root window */
direction, /* extended ICCM direction flag */
1, /* simulated mouse button 1 */
1); /* 1 == application request per extended ICCM */
}
void xf_EndLocalMoveSize(xfInfo *xfi, xfWindow *window, boolean cancel)
{
#ifdef WITH_DEBUG_X11_LOCAL_MOVESIZE
rdpWindow* wnd = window->window;
#endif
DEBUG_X11_LMS("state=%d cancel=%d window=0x%X rc={l=%d t=%d r=%d b=%d} w=%d h=%d "
"RDP=0x%X rc={l=%d t=%d} w=%d h=%d",
window->local_move.state, cancel,
(uint32) window->handle, window->left, window->top, window->right, window->bottom,
window->width, window->height, wnd->windowId,
wnd->windowOffsetX, wnd->windowOffsetY,
wnd->windowWidth, wnd->windowHeight);
if (window->local_move.state == LMS_NOT_ACTIVE)
return;
if (cancel)
{
/*
* Per ICCM, the X client can ask to cancel an active move. Do this if we
* receive a local move stop from RDP while a local move is in progress
*/
xf_SendClientEvent(xfi, window,
xfi->_NET_WM_MOVERESIZE, /* request X window manager to abort a local move */
5, /* 5 arguments to follow */
window->local_move.root_x, /* x relative to root window */
window->local_move.root_y, /* y relative to root window */
_NET_WM_MOVERESIZE_CANCEL, /* extended ICCM direction flag */
1, /* simulated mouse button 1 */
1); /* 1 == application request per extended ICCM */
}
window->local_move.state = LMS_NOT_ACTIVE;
}
void xf_MoveWindow(xfInfo* xfi, xfWindow* window, int x, int y, int width, int height)
{
boolean resize = false;
#ifdef WITH_DEBUG_X11_LOCAL_MOVESIZE
rdpWindow* wnd = window->window;
#endif
if ((width * height) < 1)
return;
if (window->local_move.state != LMS_NOT_ACTIVE)
return;
if ((window->width != width) || (window->height != height))
resize = true;
DEBUG_X11_LMS("window=0x%X current rc={l=%d t=%d r=%d b=%d} w=%u h=%u "
"new rc={l=%d t=%d r=%d b=%d} w=%u h=%u"
" RDP=0x%X rc={l=%d t=%d} w=%d h=%d",
(uint32) window->handle, window->left, window->top,
window->right, window->bottom, window->width, window->height,
x, y, x + width -1, y + height -1, width, height, wnd->windowId,
wnd->windowOffsetX, wnd->windowOffsetY,
wnd->windowWidth, wnd->windowHeight);
window->left = x;
window->top = y;
window->right = x + width - 1;
window->bottom = y + height - 1;
window->width = width;
window->height = height;
if (resize)
XMoveResizeWindow(xfi->display, window->handle, x, y, width, height);
else
XMoveWindow(xfi->display, window->handle, x, y);
}
void xf_ShowWindow(xfInfo* xfi, xfWindow* window, uint8 state)
{
switch (state)
{
case WINDOW_HIDE:
XWithdrawWindow(xfi->display, window->handle, xfi->screen_number);
break;
case WINDOW_SHOW_MINIMIZED:
XIconifyWindow(xfi->display, window->handle, xfi->screen_number);
break;
case WINDOW_SHOW_MAXIMIZED:
XRaiseWindow(xfi->display, window->handle);
break;
case WINDOW_SHOW:
XMapWindow(xfi->display, window->handle);
break;
}
XFlush(xfi->display);
}
void xf_SetWindowIcon(xfInfo* xfi, xfWindow* window, rdpIcon* icon)
{
int x, y;
int pixels;
int propsize;
long* propdata;
long* dstp;
uint32* srcp;
if (icon->big != true)
return;
pixels = icon->entry->width * icon->entry->height;
propsize = 2 + pixels;
propdata = xmalloc(propsize * sizeof(long));
propdata[0] = icon->entry->width;
propdata[1] = icon->entry->height;
dstp = &(propdata[2]);
srcp = (uint32*) icon->extra;
for (y = 0; y < icon->entry->height; y++)
{
for (x = 0; x < icon->entry->width; x++)
{
*dstp++ = *srcp++;
}
}
XChangeProperty(xfi->display, window->handle, xfi->_NET_WM_ICON, XA_CARDINAL, 32,
PropModeReplace, (uint8*) propdata, propsize);
XFlush(xfi->display);
}
void xf_SetWindowRects(xfInfo* xfi, xfWindow* window, RECTANGLE_16* rects, int nrects)
{
int i;
XRectangle* xrects;
xrects = xmalloc(sizeof(XRectangle) * nrects);
for (i = 0; i < nrects; i++)
{
xrects[i].x = rects[i].left;
xrects[i].y = rects[i].top;
xrects[i].width = rects[i].right - rects[i].left;
xrects[i].height = rects[i].bottom - rects[i].top;
}
#ifdef WITH_XEXT
XShapeCombineRectangles(xfi->display, window->handle, ShapeBounding, 0, 0, xrects, nrects, ShapeSet, 0);
#endif
xfree(xrects);
}
void xf_SetWindowVisibilityRects(xfInfo* xfi, xfWindow* window, RECTANGLE_16* rects, int nrects)
{
int i;
XRectangle* xrects;
xrects = xmalloc(sizeof(XRectangle) * nrects);
for (i = 0; i < nrects; i++)
{
xrects[i].x = rects[i].left;
xrects[i].y = rects[i].top;
xrects[i].width = rects[i].right - rects[i].left;
xrects[i].height = rects[i].bottom - rects[i].top;
}
#ifdef WITH_XEXT
//XShapeCombineRectangles(xfi->display, window->handle, ShapeBounding, 0, 0, xrects, nrects, ShapeSet, 0);
#endif
xfree(xrects);
}
void xf_UpdateWindowArea(xfInfo* xfi, xfWindow* window, int x, int y, int width, int height)
{
int ax, ay;
rdpWindow* wnd;
wnd = window->window;
ax = x + wnd->windowOffsetX;
ay = y + wnd->windowOffsetY;
if (ax + width > wnd->windowOffsetX + wnd->windowWidth)
width = (wnd->windowOffsetX + wnd->windowWidth - 1) - ax;
if (ay + height > wnd->windowOffsetY + wnd->windowHeight)
height = (wnd->windowOffsetY + wnd->windowHeight - 1) - ay;
if (xfi->sw_gdi)
{
XPutImage(xfi->display, xfi->primary, window->gc, xfi->image,
ax, ay, ax, ay, width, height);
}
XCopyArea(xfi->display, xfi->primary, window->handle, window->gc,
ax, ay, width, height, x, y);
XFlush(xfi->display);
}
boolean xf_IsWindowBorder(xfInfo* xfi, xfWindow* xfw, int x, int y)
{
rdpWindow* wnd;
boolean clientArea = false;
boolean windowArea = false;
wnd = xfw->window;
if (((x > wnd->clientOffsetX) && (x < wnd->clientOffsetX + wnd->clientAreaWidth)) &&
((y > wnd->clientOffsetY) && (y < wnd->clientOffsetY + wnd->clientAreaHeight)))
clientArea = true;
if (((x > wnd->windowOffsetX) && (x < wnd->windowOffsetX + wnd->windowWidth)) &&
((y > wnd->windowOffsetY) && (y < wnd->windowOffsetY + wnd->windowHeight)))
windowArea = true;
return (windowArea && !(clientArea));
}
void xf_DestroyWindow(xfInfo* xfi, xfWindow* window)
{
if (window == NULL)
return;
if (xfi->window == window)
xfi->window = NULL;
if (window->gc)
XFreeGC(xfi->display, window->gc);
if (window->handle)
{
XUnmapWindow(xfi->display, window->handle);
XDestroyWindow(xfi->display, window->handle);
}
xfree(window);
}