/** * FreeRDP: A Remote Desktop Protocol Client * X11 Windows * * Copyright 2011 Marc-Andre Moreau * * 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 #include #include #include #include #include #ifdef WITH_XEXT #include #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; idisplay, 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; XEvent xevent; 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)); if (xfi->parent_window) XReparentWindow(xfi->display, window->handle, xfi->parent_window, 0, 0); XSelectInput(xfi->display, window->handle, input_mask); XMapWindow(xfi->display, window->handle); //NOTE: This must be done here to handle reparenting the window, so that we dont miss the event and hang waiting for the next one /* wait for VisibilityNotify */ do { XMaskEvent(xfi->display, VisibilityChangeMask, &xevent); } while (xevent.type != VisibilityNotify); } 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; if (window->local_move.state != LMS_NOT_ACTIVE) return; 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, window->window->windowId, window->window->windowOffsetX, window->window->windowOffsetY, window->window->windowWidth, window->window->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) { DEBUG_X11_LMS("state=%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, (uint32) window->handle, window->left, window->top, window->right, window->bottom, window->width, window->height, window->window->windowId, window->window->windowOffsetX, window->window->windowOffsetY, window->window->windowWidth, window->window->windowHeight); if (window->local_move.state == LMS_NOT_ACTIVE) return; if (window->local_move.state == LMS_STARTING) { /* * The move never was property started. This can happen due to race * conditions between the mouse button up and the communications to the * RDP server for local moves. We must cancel the X window manager move. * Per ICCM, the X client can ask to cancel an active move. */ 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; if ((width * height) < 1) return; if ((window->width != width) || (window->height != height)) resize = true; if (window->local_move.state == LMS_STARTING || window->local_move.state == LMS_ACTIVE) return; DEBUG_X11_LMS("window=0x%X 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, window->window->windowId, window->window->windowOffsetX, window->window->windowOffsetY, window->window->windowWidth, window->window->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); xf_UpdateWindowArea(xfi, window, 0, 0, width, height); } 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); }