/* ============================================================================== This file is part of the JUCE library. Copyright (c) 2013 - Raw Material Software Ltd. Permission is granted to use this software under the terms of either: a) the GPL v2 (or any later version) b) the Affero GPL v3 Details of these licenses can be found at: www.gnu.org/licenses JUCE 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. ------------------------------------------------------------------------------ To release a closed-source product which uses JUCE, commercial licenses are available: visit www.juce.com for more information. ============================================================================== */ extern ::Display* display; extern XContext windowHandleXContext; typedef void (*WindowMessageReceiveCallback) (XEvent&); extern WindowMessageReceiveCallback dispatchWindowMessage; //============================================================================== struct Atoms { Atoms() { protocols = getIfExists ("WM_PROTOCOLS"); protocolList [TAKE_FOCUS] = getIfExists ("WM_TAKE_FOCUS"); protocolList [DELETE_WINDOW] = getIfExists ("WM_DELETE_WINDOW"); protocolList [PING] = getIfExists ("_NET_WM_PING"); changeState = getIfExists ("WM_CHANGE_STATE"); state = getIfExists ("WM_STATE"); userTime = getCreating ("_NET_WM_USER_TIME"); activeWin = getCreating ("_NET_ACTIVE_WINDOW"); pid = getCreating ("_NET_WM_PID"); windowType = getIfExists ("_NET_WM_WINDOW_TYPE"); windowState = getIfExists ("_NET_WM_STATE"); compositingManager = getCreating ("_NET_WM_CM_S0"); XdndAware = getCreating ("XdndAware"); XdndEnter = getCreating ("XdndEnter"); XdndLeave = getCreating ("XdndLeave"); XdndPosition = getCreating ("XdndPosition"); XdndStatus = getCreating ("XdndStatus"); XdndDrop = getCreating ("XdndDrop"); XdndFinished = getCreating ("XdndFinished"); XdndSelection = getCreating ("XdndSelection"); XdndTypeList = getCreating ("XdndTypeList"); XdndActionList = getCreating ("XdndActionList"); XdndActionCopy = getCreating ("XdndActionCopy"); XdndActionPrivate = getCreating ("XdndActionPrivate"); XdndActionDescription = getCreating ("XdndActionDescription"); allowedMimeTypes[0] = getCreating ("UTF8_STRING"); allowedMimeTypes[1] = getCreating ("text/plain;charset=utf-8"); allowedMimeTypes[2] = getCreating ("text/plain"); allowedMimeTypes[3] = getCreating ("text/uri-list"); externalAllowedFileMimeTypes[0] = getCreating ("text/uri-list"); externalAllowedTextMimeTypes[0] = getCreating ("text/plain"); allowedActions[0] = getCreating ("XdndActionMove"); allowedActions[1] = XdndActionCopy; allowedActions[2] = getCreating ("XdndActionLink"); allowedActions[3] = getCreating ("XdndActionAsk"); allowedActions[4] = XdndActionPrivate; } static const Atoms& get() { static Atoms atoms; return atoms; } enum ProtocolItems { TAKE_FOCUS = 0, DELETE_WINDOW = 1, PING = 2 }; Atom protocols, protocolList[3], changeState, state, userTime, activeWin, pid, windowType, windowState, compositingManager, XdndAware, XdndEnter, XdndLeave, XdndPosition, XdndStatus, XdndDrop, XdndFinished, XdndSelection, XdndTypeList, XdndActionList, XdndActionDescription, XdndActionCopy, XdndActionPrivate, allowedActions[5], allowedMimeTypes[4], externalAllowedFileMimeTypes[1], externalAllowedTextMimeTypes[1]; static const unsigned long DndVersion; static Atom getIfExists (const char* name) { return XInternAtom (display, name, True); } static Atom getCreating (const char* name) { return XInternAtom (display, name, False); } static String getName (const Atom atom) { if (atom == None) return "None"; return String (XGetAtomName (display, atom)); } static bool isMimeTypeFile (const Atom atom) { return getName (atom).equalsIgnoreCase ("text/uri-list"); } }; const unsigned long Atoms::DndVersion = 3; //============================================================================== struct GetXProperty { GetXProperty (Window window, Atom atom, long offset, long length, bool shouldDelete, Atom requestedType) : data (nullptr) { success = (XGetWindowProperty (display, window, atom, offset, length, (Bool) shouldDelete, requestedType, &actualType, &actualFormat, &numItems, &bytesLeft, &data) == Success) && data != nullptr; } ~GetXProperty() { if (data != nullptr) XFree (data); } bool success; unsigned char* data; unsigned long numItems, bytesLeft; Atom actualType; int actualFormat; }; //============================================================================== namespace Keys { enum MouseButtons { NoButton = 0, LeftButton = 1, MiddleButton = 2, RightButton = 3, WheelUp = 4, WheelDown = 5 }; static int AltMask = 0; static int NumLockMask = 0; static bool numLock = false; static bool capsLock = false; static char keyStates [32]; static const int extendedKeyModifier = 0x10000000; } bool KeyPress::isKeyCurrentlyDown (const int keyCode) { if (display == nullptr) return false; int keysym; if (keyCode & Keys::extendedKeyModifier) { keysym = 0xff00 | (keyCode & 0xff); } else { keysym = keyCode; if (keysym == (XK_Tab & 0xff) || keysym == (XK_Return & 0xff) || keysym == (XK_Escape & 0xff) || keysym == (XK_BackSpace & 0xff)) { keysym |= 0xff00; } } ScopedXLock xlock; const int keycode = XKeysymToKeycode (display, (KeySym) keysym); const int keybyte = keycode >> 3; const int keybit = (1 << (keycode & 7)); return (Keys::keyStates [keybyte] & keybit) != 0; } //============================================================================== #if JUCE_USE_XSHM namespace XSHMHelpers { static int trappedErrorCode = 0; extern "C" int errorTrapHandler (Display*, XErrorEvent* err) { trappedErrorCode = err->error_code; return 0; } static bool isShmAvailable() noexcept { static bool isChecked = false; static bool isAvailable = false; if (! isChecked) { isChecked = true; if (display != nullptr) { int major, minor; Bool pixmaps; ScopedXLock xlock; if (XShmQueryVersion (display, &major, &minor, &pixmaps)) { trappedErrorCode = 0; XErrorHandler oldHandler = XSetErrorHandler (errorTrapHandler); XShmSegmentInfo segmentInfo; zerostruct (segmentInfo); XImage* xImage = XShmCreateImage (display, DefaultVisual (display, DefaultScreen (display)), 24, ZPixmap, 0, &segmentInfo, 50, 50); if ((segmentInfo.shmid = shmget (IPC_PRIVATE, (size_t) (xImage->bytes_per_line * xImage->height), IPC_CREAT | 0777)) >= 0) { segmentInfo.shmaddr = (char*) shmat (segmentInfo.shmid, 0, 0); if (segmentInfo.shmaddr != (void*) -1) { segmentInfo.readOnly = False; xImage->data = segmentInfo.shmaddr; XSync (display, False); if (XShmAttach (display, &segmentInfo) != 0) { XSync (display, False); XShmDetach (display, &segmentInfo); isAvailable = true; } } XFlush (display); XDestroyImage (xImage); shmdt (segmentInfo.shmaddr); } shmctl (segmentInfo.shmid, IPC_RMID, 0); XSetErrorHandler (oldHandler); if (trappedErrorCode != 0) isAvailable = false; } } } return isAvailable; } } #endif //============================================================================== #if JUCE_USE_XRENDER namespace XRender { typedef Status (*tXRenderQueryVersion) (Display*, int*, int*); typedef XRenderPictFormat* (*tXRenderFindStandardFormat) (Display*, int); typedef XRenderPictFormat* (*tXRenderFindFormat) (Display*, unsigned long, XRenderPictFormat*, int); typedef XRenderPictFormat* (*tXRenderFindVisualFormat) (Display*, Visual*); static tXRenderQueryVersion xRenderQueryVersion = nullptr; static tXRenderFindStandardFormat xRenderFindStandardFormat = nullptr; static tXRenderFindFormat xRenderFindFormat = nullptr; static tXRenderFindVisualFormat xRenderFindVisualFormat = nullptr; static bool isAvailable() { static bool hasLoaded = false; if (! hasLoaded) { if (display != nullptr) { hasLoaded = true; ScopedXLock xlock; if (void* h = dlopen ("libXrender.so", RTLD_GLOBAL | RTLD_NOW)) { xRenderQueryVersion = (tXRenderQueryVersion) dlsym (h, "XRenderQueryVersion"); xRenderFindStandardFormat = (tXRenderFindStandardFormat) dlsym (h, "XRenderFindStandardFormat"); xRenderFindFormat = (tXRenderFindFormat) dlsym (h, "XRenderFindFormat"); xRenderFindVisualFormat = (tXRenderFindVisualFormat) dlsym (h, "XRenderFindVisualFormat"); } if (xRenderQueryVersion != nullptr && xRenderFindStandardFormat != nullptr && xRenderFindFormat != nullptr && xRenderFindVisualFormat != nullptr) { int major, minor; if (xRenderQueryVersion (display, &major, &minor)) return true; } } xRenderQueryVersion = nullptr; } return xRenderQueryVersion != nullptr; } static bool hasCompositingWindowManager() { return display != nullptr && XGetSelectionOwner (display, Atoms::get().compositingManager) != 0; } static XRenderPictFormat* findPictureFormat() { ScopedXLock xlock; XRenderPictFormat* pictFormat = nullptr; if (isAvailable()) { pictFormat = xRenderFindStandardFormat (display, PictStandardARGB32); if (pictFormat == nullptr) { XRenderPictFormat desiredFormat; desiredFormat.type = PictTypeDirect; desiredFormat.depth = 32; desiredFormat.direct.alphaMask = 0xff; desiredFormat.direct.redMask = 0xff; desiredFormat.direct.greenMask = 0xff; desiredFormat.direct.blueMask = 0xff; desiredFormat.direct.alpha = 24; desiredFormat.direct.red = 16; desiredFormat.direct.green = 8; desiredFormat.direct.blue = 0; pictFormat = xRenderFindFormat (display, PictFormatType | PictFormatDepth | PictFormatRedMask | PictFormatRed | PictFormatGreenMask | PictFormatGreen | PictFormatBlueMask | PictFormatBlue | PictFormatAlphaMask | PictFormatAlpha, &desiredFormat, 0); } } return pictFormat; } } #endif //============================================================================== namespace Visuals { static Visual* findVisualWithDepth (const int desiredDepth) noexcept { ScopedXLock xlock; Visual* visual = nullptr; int numVisuals = 0; long desiredMask = VisualNoMask; XVisualInfo desiredVisual; desiredVisual.screen = DefaultScreen (display); desiredVisual.depth = desiredDepth; desiredMask = VisualScreenMask | VisualDepthMask; if (desiredDepth == 32) { desiredVisual.c_class = TrueColor; desiredVisual.red_mask = 0x00FF0000; desiredVisual.green_mask = 0x0000FF00; desiredVisual.blue_mask = 0x000000FF; desiredVisual.bits_per_rgb = 8; desiredMask |= VisualClassMask; desiredMask |= VisualRedMaskMask; desiredMask |= VisualGreenMaskMask; desiredMask |= VisualBlueMaskMask; desiredMask |= VisualBitsPerRGBMask; } XVisualInfo* xvinfos = XGetVisualInfo (display, desiredMask, &desiredVisual, &numVisuals); if (xvinfos != nullptr) { for (int i = 0; i < numVisuals; i++) { if (xvinfos[i].depth == desiredDepth) { visual = xvinfos[i].visual; break; } } XFree (xvinfos); } return visual; } static Visual* findVisualFormat (const int desiredDepth, int& matchedDepth) noexcept { Visual* visual = nullptr; if (desiredDepth == 32) { #if JUCE_USE_XSHM if (XSHMHelpers::isShmAvailable()) { #if JUCE_USE_XRENDER if (XRender::isAvailable()) { XRenderPictFormat* pictFormat = XRender::findPictureFormat(); if (pictFormat != 0) { int numVisuals = 0; XVisualInfo desiredVisual; desiredVisual.screen = DefaultScreen (display); desiredVisual.depth = 32; desiredVisual.bits_per_rgb = 8; XVisualInfo* xvinfos = XGetVisualInfo (display, VisualScreenMask | VisualDepthMask | VisualBitsPerRGBMask, &desiredVisual, &numVisuals); if (xvinfos != nullptr) { for (int i = 0; i < numVisuals; ++i) { XRenderPictFormat* pictVisualFormat = XRender::xRenderFindVisualFormat (display, xvinfos[i].visual); if (pictVisualFormat != nullptr && pictVisualFormat->type == PictTypeDirect && pictVisualFormat->direct.alphaMask) { visual = xvinfos[i].visual; matchedDepth = 32; break; } } XFree (xvinfos); } } } #endif if (visual == nullptr) { visual = findVisualWithDepth (32); if (visual != nullptr) matchedDepth = 32; } } #endif } if (visual == nullptr && desiredDepth >= 24) { visual = findVisualWithDepth (24); if (visual != nullptr) matchedDepth = 24; } if (visual == nullptr && desiredDepth >= 16) { visual = findVisualWithDepth (16); if (visual != nullptr) matchedDepth = 16; } return visual; } } //============================================================================== class XBitmapImage : public ImagePixelData { public: XBitmapImage (const Image::PixelFormat format, const int w, const int h, const bool clearImage, const unsigned int imageDepth_, Visual* visual) : ImagePixelData (format, w, h), imageDepth (imageDepth_), gc (None) { jassert (format == Image::RGB || format == Image::ARGB); pixelStride = (format == Image::RGB) ? 3 : 4; lineStride = ((w * pixelStride + 3) & ~3); ScopedXLock xlock; #if JUCE_USE_XSHM usingXShm = false; if ((imageDepth > 16) && XSHMHelpers::isShmAvailable()) { zerostruct (segmentInfo); segmentInfo.shmid = -1; segmentInfo.shmaddr = (char *) -1; segmentInfo.readOnly = False; xImage = XShmCreateImage (display, visual, imageDepth, ZPixmap, 0, &segmentInfo, (unsigned int) w, (unsigned int) h); if (xImage != nullptr) { if ((segmentInfo.shmid = shmget (IPC_PRIVATE, (size_t) (xImage->bytes_per_line * xImage->height), IPC_CREAT | 0777)) >= 0) { if (segmentInfo.shmid != -1) { segmentInfo.shmaddr = (char*) shmat (segmentInfo.shmid, 0, 0); if (segmentInfo.shmaddr != (void*) -1) { segmentInfo.readOnly = False; xImage->data = segmentInfo.shmaddr; imageData = (uint8*) segmentInfo.shmaddr; if (XShmAttach (display, &segmentInfo) != 0) usingXShm = true; else jassertfalse; } else { shmctl (segmentInfo.shmid, IPC_RMID, 0); } } } } } if (! isUsingXShm()) #endif { imageDataAllocated.allocate ((size_t) (lineStride * h), format == Image::ARGB && clearImage); imageData = imageDataAllocated; xImage = (XImage*) ::calloc (1, sizeof (XImage)); xImage->width = w; xImage->height = h; xImage->xoffset = 0; xImage->format = ZPixmap; xImage->data = (char*) imageData; xImage->byte_order = ImageByteOrder (display); xImage->bitmap_unit = BitmapUnit (display); xImage->bitmap_bit_order = BitmapBitOrder (display); xImage->bitmap_pad = 32; xImage->depth = pixelStride * 8; xImage->bytes_per_line = lineStride; xImage->bits_per_pixel = pixelStride * 8; xImage->red_mask = 0x00FF0000; xImage->green_mask = 0x0000FF00; xImage->blue_mask = 0x000000FF; if (imageDepth == 16) { const int pixStride = 2; const int stride = ((w * pixStride + 3) & ~3); imageData16Bit.malloc ((size_t) (stride * h)); xImage->data = imageData16Bit; xImage->bitmap_pad = 16; xImage->depth = pixStride * 8; xImage->bytes_per_line = stride; xImage->bits_per_pixel = pixStride * 8; xImage->red_mask = visual->red_mask; xImage->green_mask = visual->green_mask; xImage->blue_mask = visual->blue_mask; } if (! XInitImage (xImage)) jassertfalse; } } ~XBitmapImage() { ScopedXLock xlock; if (gc != None) XFreeGC (display, gc); #if JUCE_USE_XSHM if (isUsingXShm()) { XShmDetach (display, &segmentInfo); XFlush (display); XDestroyImage (xImage); shmdt (segmentInfo.shmaddr); shmctl (segmentInfo.shmid, IPC_RMID, 0); } else #endif { xImage->data = nullptr; XDestroyImage (xImage); } } LowLevelGraphicsContext* createLowLevelContext() override { sendDataChangeMessage(); return new LowLevelGraphicsSoftwareRenderer (Image (this)); } void initialiseBitmapData (Image::BitmapData& bitmap, int x, int y, Image::BitmapData::ReadWriteMode mode) override { bitmap.data = imageData + x * pixelStride + y * lineStride; bitmap.pixelFormat = pixelFormat; bitmap.lineStride = lineStride; bitmap.pixelStride = pixelStride; if (mode != Image::BitmapData::readOnly) sendDataChangeMessage(); } ImagePixelData* clone() override { jassertfalse; return nullptr; } ImageType* createType() const override { return new NativeImageType(); } void blitToWindow (Window window, int dx, int dy, unsigned int dw, unsigned int dh, int sx, int sy) { ScopedXLock xlock; if (gc == None) { XGCValues gcvalues; gcvalues.foreground = None; gcvalues.background = None; gcvalues.function = GXcopy; gcvalues.plane_mask = AllPlanes; gcvalues.clip_mask = None; gcvalues.graphics_exposures = False; gc = XCreateGC (display, window, GCBackground | GCForeground | GCFunction | GCPlaneMask | GCClipMask | GCGraphicsExposures, &gcvalues); } if (imageDepth == 16) { const uint32 rMask = (uint32) xImage->red_mask; const uint32 gMask = (uint32) xImage->green_mask; const uint32 bMask = (uint32) xImage->blue_mask; const uint32 rShiftL = (uint32) jmax (0, getShiftNeeded (rMask)); const uint32 rShiftR = (uint32) jmax (0, -getShiftNeeded (rMask)); const uint32 gShiftL = (uint32) jmax (0, getShiftNeeded (gMask)); const uint32 gShiftR = (uint32) jmax (0, -getShiftNeeded (gMask)); const uint32 bShiftL = (uint32) jmax (0, getShiftNeeded (bMask)); const uint32 bShiftR = (uint32) jmax (0, -getShiftNeeded (bMask)); const Image::BitmapData srcData (Image (this), Image::BitmapData::readOnly); for (int y = sy; y < sy + (int)dh; ++y) { const uint8* p = srcData.getPixelPointer (sx, y); for (int x = sx; x < sx + (int)dw; ++x) { const PixelRGB* const pixel = (const PixelRGB*) p; p += srcData.pixelStride; XPutPixel (xImage, x, y, (((((uint32) pixel->getRed()) << rShiftL) >> rShiftR) & rMask) | (((((uint32) pixel->getGreen()) << gShiftL) >> gShiftR) & gMask) | (((((uint32) pixel->getBlue()) << bShiftL) >> bShiftR) & bMask)); } } } // blit results to screen. #if JUCE_USE_XSHM if (isUsingXShm()) XShmPutImage (display, (::Drawable) window, gc, xImage, sx, sy, dx, dy, dw, dh, True); else #endif XPutImage (display, (::Drawable) window, gc, xImage, sx, sy, dx, dy, dw, dh); } #if JUCE_USE_XSHM bool isUsingXShm() const noexcept { return usingXShm; } #endif private: //============================================================================== XImage* xImage; const unsigned int imageDepth; HeapBlock imageDataAllocated; HeapBlock imageData16Bit; int pixelStride, lineStride; uint8* imageData; GC gc; #if JUCE_USE_XSHM XShmSegmentInfo segmentInfo; bool usingXShm; #endif static int getShiftNeeded (const uint32 mask) noexcept { for (int i = 32; --i >= 0;) if (((mask >> i) & 1) != 0) return i - 7; jassertfalse; return 0; } JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (XBitmapImage) }; //============================================================================== #if JUCE_USE_XRANDR template <> struct ContainerDeletePolicy { static void destroy (XRRScreenResources* object); }; template <> struct ContainerDeletePolicy { static void destroy (XRROutputInfo* object); }; template <> struct ContainerDeletePolicy { static void destroy (XRRCrtcInfo* object); }; #endif //============================================================================== class DisplayGeometry { private: //============================================================================== DisplayGeometry (::Display* dpy, double masterScale) { jassert (instance == nullptr); instance = this; queryDisplayInfos (dpy, masterScale); updatePositions(); } public: //============================================================================== struct ExtendedInfo { // Unlike Desktop::Displays::Display, the following is in // physical pixels, i.e. the area is not scaled Rectangle totalBounds; // Usable bounds is the usable area in local coordinates // with respect to the above totalBounds Rectangle usableBounds; // top-left point of display in scaled coordinates. This // is different from totalBounds.getTopLeft() / scale, // because the neighbouring display may have a different // scale factor Point topLeftScaled; double dpi, scale; bool isMain; }; Array infos; //============================================================================== ExtendedInfo& findDisplayForRect (const Rectangle& bounds, bool isScaledBounds) { int maxArea = -1; ExtendedInfo* retval = nullptr; for (int i = 0; i < infos.size(); ++i) { ExtendedInfo& dpy = infos.getReference (i); Rectangle displayBounds = dpy.totalBounds; if (isScaledBounds) displayBounds = (displayBounds.withZeroOrigin() / dpy.scale) + dpy.topLeftScaled; displayBounds = displayBounds.getIntersection (bounds); int area = displayBounds.getWidth() * displayBounds.getHeight(); if (area >= maxArea) { maxArea = area; retval = &dpy; } } return *retval; } ExtendedInfo& findDisplayForPoint (Point pt, bool isScaledPoint) { int minDistance = (int) ((((unsigned int)(-1)) >> 1) - 1); ExtendedInfo* retval = nullptr; for (int i = 0; i < infos.size(); ++i) { ExtendedInfo& dpy = infos.getReference (i); Rectangle displayBounds = dpy.totalBounds; if (isScaledPoint) displayBounds = (displayBounds.withZeroOrigin() / dpy.scale) + dpy.topLeftScaled; if (displayBounds.contains (pt)) return dpy; int distance = displayBounds.getCentre().getDistanceFrom (pt); if (distance <= minDistance) { minDistance = distance; retval = &dpy; } } return *retval; } //============================================================================== static Rectangle physicalToScaled (const Rectangle& physicalBounds) { // first find with which display physicalBounds has the most overlap ExtendedInfo& dpy = getInstance().findDisplayForRect (physicalBounds, false); // convert to local screen bounds Rectangle retval = physicalBounds - dpy.totalBounds.getTopLeft(); // now we can safely scale the coordinates and convert to global again return (retval / dpy.scale) + dpy.topLeftScaled; } static Rectangle scaledToPhysical (const Rectangle& scaledBounds) { // first find with which display physicalBounds has the most overlap ExtendedInfo& dpy = getInstance().findDisplayForRect (scaledBounds, true); // convert to local screen bounds Rectangle retval = scaledBounds - dpy.topLeftScaled; // now we can safely scale the coordinates and convert to global again return (retval * dpy.scale) + dpy.totalBounds.getTopLeft(); } //============================================================================== template static Point physicalToScaled (const Point& physicalPoint) { ExtendedInfo& dpy = getInstance().findDisplayForPoint (physicalPoint.roundToInt(), false); Point scaledTopLeft = Point (dpy.topLeftScaled.getX(), dpy.topLeftScaled.getY()); Point physicalTopLeft = Point (dpy.totalBounds.getX(), dpy.totalBounds.getY()); return ((physicalPoint - physicalTopLeft) / dpy.scale) + scaledTopLeft; } template static Point scaledToPhysical (const Point& scaledPoint) { ExtendedInfo& dpy = getInstance().findDisplayForPoint (scaledPoint.roundToInt(), true); Point scaledTopLeft = Point (dpy.topLeftScaled.getX(), dpy.topLeftScaled.getY()); Point physicalTopLeft = Point (dpy.totalBounds.getX(), dpy.totalBounds.getY()); return ((scaledPoint - scaledTopLeft) * dpy.scale) + physicalTopLeft; } //============================================================================== static DisplayGeometry& getInstance() { jassert (instance != nullptr); return *instance; } static DisplayGeometry& getOrCreateInstance (::Display* dpy, double masterScale) { if (instance == nullptr) new DisplayGeometry (dpy, masterScale); return getInstance(); } private: //============================================================================== static DisplayGeometry* instance; //============================================================================== #if JUCE_USE_XINERAMA static Array XineramaQueryDisplays (::Display* dpy) { typedef Bool (*tXineramaIsActive) (::Display*); typedef XineramaScreenInfo* (*tXineramaQueryScreens) (::Display*, int*); int major_opcode, first_event, first_error; if (XQueryExtension (dpy, "XINERAMA", &major_opcode, &first_event, &first_error)) { static void* libXinerama = nullptr; static tXineramaIsActive isActiveFuncPtr = nullptr; static tXineramaQueryScreens xineramaQueryScreens = nullptr; if (libXinerama == nullptr) { libXinerama = dlopen ("libXinerama.so", RTLD_GLOBAL | RTLD_NOW); if (libXinerama == nullptr) libXinerama = dlopen ("libXinerama.so.1", RTLD_GLOBAL | RTLD_NOW); if (libXinerama != nullptr) { isActiveFuncPtr = (tXineramaIsActive) dlsym (libXinerama, "XineramaIsActive"); xineramaQueryScreens = (tXineramaQueryScreens) dlsym (libXinerama, "XineramaQueryScreens"); } } if (isActiveFuncPtr != nullptr && xineramaQueryScreens != nullptr && isActiveFuncPtr (dpy) != 0) { int numScreens; if (XineramaScreenInfo* xinfo = xineramaQueryScreens (dpy, &numScreens)) { Array infos (xinfo, numScreens); XFree (xinfo); return infos; } } } return Array(); } #endif //============================================================================== #if JUCE_USE_XRANDR friend class ContainerDeletePolicy; friend class ContainerDeletePolicy; friend class ContainerDeletePolicy; class XRandrWrapper { private: XRandrWrapper() : libXrandr (nullptr), getScreenResourcesPtr (nullptr), freeScreenResourcesPtr (nullptr), getOutputInfoPtr (nullptr), freeOutputInfoPtr (nullptr), getCrtcInfoPtr (nullptr), freeCrtcInfoPtr (nullptr), getOutputPrimaryPtr (nullptr) { if (libXrandr == nullptr) { libXrandr = dlopen ("libXrandr.so", RTLD_GLOBAL | RTLD_NOW); if (libXrandr == nullptr) libXrandr = dlopen ("libXinerama.so.2", RTLD_GLOBAL | RTLD_NOW); if (libXrandr != nullptr) { getScreenResourcesPtr = (tXRRGetScreenResources) dlsym (libXrandr, "XRRGetScreenResources"); freeScreenResourcesPtr = (tXRRFreeScreenResources) dlsym (libXrandr, "XRRFreeScreenResources"); getOutputInfoPtr = (tXRRGetOutputInfo) dlsym (libXrandr, "XRRGetOutputInfo"); freeOutputInfoPtr = (tXRRFreeOutputInfo) dlsym (libXrandr, "XRRFreeOutputInfo"); getCrtcInfoPtr = (tXRRGetCrtcInfo) dlsym (libXrandr, "XRRGetCrtcInfo"); freeCrtcInfoPtr = (tXRRFreeCrtcInfo) dlsym (libXrandr, "XRRFreeCrtcInfo"); getOutputPrimaryPtr = (tXRRGetOutputPrimary) dlsym (libXrandr, "XRRGetOutputPrimary"); } } instance = this; } public: //============================================================================== static XRandrWrapper& getInstance() { if (instance == nullptr) instance = new XRandrWrapper(); return *instance; } //============================================================================== XRRScreenResources* getScreenResources (::Display* dpy, ::Window window) { if (getScreenResourcesPtr != nullptr) return getScreenResourcesPtr (dpy, window); return nullptr; } XRROutputInfo* getOutputInfo (::Display* dpy, XRRScreenResources* resources, RROutput output) { if (getOutputInfoPtr != nullptr) return getOutputInfoPtr (dpy, resources, output); return nullptr; } XRRCrtcInfo* getCrtcInfo (::Display* dpy, XRRScreenResources* resources, RRCrtc crtc) { if (getCrtcInfoPtr != nullptr) return getCrtcInfoPtr (dpy, resources, crtc); return nullptr; } RROutput getOutputPrimary (::Display* dpy, ::Window window) { if (getOutputPrimaryPtr != nullptr) return getOutputPrimaryPtr (dpy, window); return 0; } private: //============================================================================== friend class ContainerDeletePolicy; friend class ContainerDeletePolicy; friend class ContainerDeletePolicy; void freeScreenResources (XRRScreenResources* ptr) { if (freeScreenResourcesPtr != nullptr) freeScreenResourcesPtr (ptr); } void freeOutputInfo (XRROutputInfo* ptr) { if (freeOutputInfoPtr != nullptr) freeOutputInfoPtr (ptr); } void freeCrtcInfo (XRRCrtcInfo* ptr) { if (freeCrtcInfoPtr != nullptr) freeCrtcInfoPtr (ptr); } private: static XRandrWrapper* instance; typedef XRRScreenResources* (*tXRRGetScreenResources) (::Display*, ::Window); typedef void (*tXRRFreeScreenResources) (XRRScreenResources*); typedef XRROutputInfo* (*tXRRGetOutputInfo) (::Display*, XRRScreenResources*, RROutput); typedef void (*tXRRFreeOutputInfo) (XRROutputInfo*); typedef XRRCrtcInfo* (*tXRRGetCrtcInfo) (::Display*, XRRScreenResources*, RRCrtc); typedef void (*tXRRFreeCrtcInfo) (XRRCrtcInfo*); typedef RROutput (*tXRRGetOutputPrimary) (::Display*, ::Window); void* libXrandr; tXRRGetScreenResources getScreenResourcesPtr; tXRRFreeScreenResources freeScreenResourcesPtr; tXRRGetOutputInfo getOutputInfoPtr; tXRRFreeOutputInfo freeOutputInfoPtr; tXRRGetCrtcInfo getCrtcInfoPtr; tXRRFreeCrtcInfo freeCrtcInfoPtr; tXRRGetOutputPrimary getOutputPrimaryPtr; }; #endif static double getDisplayDPI (int index) { double dpiX = (DisplayWidth (display, index) * 25.4) / DisplayWidthMM (display, index); double dpiY = (DisplayHeight (display, index) * 25.4) / DisplayHeightMM (display, index); return (dpiX + dpiY) / 2.0; } static double getScaleForDisplay (const String& name, const ExtendedInfo& info) { if (! name.isEmpty()) { // Ubuntu and derived distributions now save a per-display scale factor as a configuration // variable. This can be changed in the Monitor system settings panel. ChildProcess dconf; if (File ("/usr/bin/dconf").existsAsFile() && dconf.start ("/usr/bin/dconf read /com/ubuntu/user-interface/scale-factor", ChildProcess::wantStdOut)) { if (dconf.waitForProcessToFinish (200)) { String jsonOutput = dconf.readAllProcessOutput().replaceCharacter ('\'', '"'); if (dconf.getExitCode() == 0 && jsonOutput.isNotEmpty()) { var jsonVar = JSON::parse (jsonOutput); if (DynamicObject* object = jsonVar.getDynamicObject()) { var scaleFactorVar = object->getProperty (name); if (! scaleFactorVar.isVoid()) { double scaleFactor = ((double) scaleFactorVar) / 8.0; if (scaleFactor > 0.0) return scaleFactor; } } } } } } { // Other gnome based distros now use gsettings for a global scale factor ChildProcess gsettings; if (File ("/usr/bin/gsettings").existsAsFile() && gsettings.start ("/usr/bin/gsettings get org.gnome.desktop.interface scaling-factor", ChildProcess::wantStdOut)) { if (gsettings.waitForProcessToFinish (200)) { StringArray gsettingsOutput = StringArray::fromTokens (gsettings.readAllProcessOutput(), true); if (gsettingsOutput.size() >= 2 && gsettingsOutput[1].length() > 0) { double scaleFactor = gsettingsOutput[1].getDoubleValue(); if (scaleFactor > 0.0) return scaleFactor; } } } } // If no scale factor is set by GNOME or Ubuntu then calculate from monitor dpi // We use the same approach as chromium which simply divides the dpi by 96 // and then rounds the result return round (info.dpi / 150.0); } //============================================================================== void queryDisplayInfos (::Display* dpy, double masterScale) noexcept { ScopedXLock xlock; #if JUCE_USE_XRANDR { int major_opcode, first_event, first_error; if (XQueryExtension (dpy, "RANDR", &major_opcode, &first_event, &first_error)) { XRandrWrapper& xrandr = XRandrWrapper::getInstance(); ScopedPointer screens; const int numMonitors = ScreenCount (dpy); RROutput mainDisplay = xrandr.getOutputPrimary (dpy, RootWindow (dpy, 0)); for (int i = 0; i < numMonitors; ++i) { if ((screens = xrandr.getScreenResources (dpy, RootWindow (dpy, i))).get()) { for (int j = 0; j < screens->noutput; ++j) { if (! screens->outputs[j]) continue; // Xrandr on the raspberry pi fails to determine the main display (mainDisplay == 0)! // Detect this edge case and make the first found display the main display if (! mainDisplay) mainDisplay = screens->outputs[j]; ScopedPointer output; if ((output = xrandr.getOutputInfo (dpy, screens.get(), screens->outputs[j])).get()) { if (! output->crtc) continue; ScopedPointer crtc; if ((crtc = xrandr.getCrtcInfo (dpy, screens.get(), output->crtc)).get()) { ExtendedInfo e; e.totalBounds = Rectangle (crtc->x, crtc->y, (int) crtc->width, (int) crtc->height); e.usableBounds = e.totalBounds.withZeroOrigin(); // Support for usable area is not implemented in JUCE yet e.topLeftScaled = e.totalBounds.getTopLeft(); e.isMain = (mainDisplay == screens->outputs[j]) && (i == 0); e.dpi = getDisplayDPI (0); // The raspberry pi returns a zero sized display, so we need to guard for divide-by-zero if (output->mm_width > 0 && output->mm_height > 0) e.dpi = ((static_cast (crtc->width) * 25.4 * 0.5) / static_cast (output->mm_width)) + ((static_cast (crtc->height) * 25.4 * 0.5) / static_cast (output->mm_height)); e.scale = masterScale * getScaleForDisplay (output->name, e); infos.add (e); } } } } } } } if (infos.size() == 0) #endif #if JUCE_USE_XINERAMA { Array screens = XineramaQueryDisplays (dpy); int numMonitors = screens.size(); for (int index = 0; index < numMonitors; ++index) { for (int j = numMonitors; --j >= 0;) { if (screens[j].screen_number == index) { ExtendedInfo e; e.totalBounds = Rectangle (screens[j].x_org, screens[j].y_org, screens[j].width, screens[j].height); e.usableBounds = e.totalBounds.withZeroOrigin(); // Support for usable area is not implemented in JUCE yet e.topLeftScaled = e.totalBounds.getTopLeft(); // this will be overwritten by updatePositions later e.isMain = (index == 0); e.scale = masterScale; e.dpi = getDisplayDPI (0); // (all screens share the same DPI) infos.add (e); } } } } if (infos.size() == 0) #endif { Atom hints = Atoms::getIfExists ("_NET_WORKAREA"); if (hints != None) { const int numMonitors = ScreenCount (dpy); for (int i = 0; i < numMonitors; ++i) { GetXProperty prop (RootWindow (dpy, i), hints, 0, 4, false, XA_CARDINAL); if (prop.success && prop.actualType == XA_CARDINAL && prop.actualFormat == 32 && prop.numItems == 4) { const long* const position = (const long*) prop.data; ExtendedInfo e; e.totalBounds = Rectangle ((int) position[0], (int) position[1], (int) position[2], (int) position[3]); e.usableBounds = e.totalBounds.withZeroOrigin(); // Support for usable area is not implemented in JUCE yet e.topLeftScaled = e.totalBounds.getTopLeft(); // this will be overwritten by updatePositions later e.isMain = (infos.size() == 0); e.scale = masterScale; e.dpi = getDisplayDPI (i); infos.add (e); } } } if (infos.size() == 0) { ExtendedInfo e; e.totalBounds = Rectangle (DisplayWidth (dpy, DefaultScreen (dpy)), DisplayHeight (dpy, DefaultScreen (dpy))); e.usableBounds = e.totalBounds; // Support for usable area is not implemented in JUCE yet e.topLeftScaled = e.totalBounds.getTopLeft(); // this will be overwritten by updatePositions later e.isMain = true; e.scale = masterScale; e.dpi = getDisplayDPI (0); infos.add (e); } } } //============================================================================== struct SortByCoordinate { bool sortByYCoordinate; SortByCoordinate (bool byYCoordinate) : sortByYCoordinate (byYCoordinate) { } int compareElements (const ExtendedInfo* a, const ExtendedInfo* b) { int coordinateA, coordinateB; if (sortByYCoordinate) { coordinateA = a->totalBounds.getY(); coordinateB = b->totalBounds.getY(); } else { coordinateA = a->totalBounds.getX(); coordinateB = b->totalBounds.getX(); } return coordinateA - coordinateB; } }; //============================================================================== void updateScaledDisplayCoordinate(bool updateYCoordinates) { if (infos.size() < 2) return; Array copy; { SortByCoordinate sorter (updateYCoordinates); for (int i = 0; i < infos.size(); ++i) copy.addSorted (sorter, &infos.getReference (i)); } for (int i = 1; i < copy.size(); ++i) { ExtendedInfo& current = *copy[i]; // Is this screen's position aligned to any other previous display? for (int j = i - 1; j >= 0; --j) { ExtendedInfo& other = *copy[j]; int prevCoordinate = updateYCoordinates ? other.totalBounds.getBottom() : other.totalBounds.getRight(); int curCoordinate = updateYCoordinates ? current.totalBounds.getY() : current.totalBounds.getX(); if (prevCoordinate == curCoordinate) { // both displays are aligned! As "other" comes before "current" in the array, it must already // have a valid topLeftScaled which we can use Point topLeftScaled = other.topLeftScaled; topLeftScaled += Point (other.totalBounds.getWidth(), other.totalBounds.getHeight()) / other.scale; if (updateYCoordinates) current.topLeftScaled.setY (topLeftScaled.getY()); else current.topLeftScaled.setX (topLeftScaled.getX()); break; } } } } void updatePositions() { updateScaledDisplayCoordinate (false); updateScaledDisplayCoordinate (true); } }; DisplayGeometry* DisplayGeometry::instance = nullptr; #if JUCE_USE_XRANDR DisplayGeometry::XRandrWrapper* DisplayGeometry::XRandrWrapper::instance = nullptr; void ContainerDeletePolicy::destroy (XRRScreenResources* ptr) { if (ptr != nullptr) DisplayGeometry::XRandrWrapper::getInstance().freeScreenResources (ptr); } void ContainerDeletePolicy::destroy (XRROutputInfo* ptr) { if (ptr != nullptr) DisplayGeometry::XRandrWrapper::getInstance().freeOutputInfo (ptr); } void ContainerDeletePolicy::destroy (XRRCrtcInfo* ptr) { if (ptr != nullptr) DisplayGeometry::XRandrWrapper::getInstance().freeCrtcInfo (ptr); } #endif //============================================================================== namespace PixmapHelpers { Pixmap createColourPixmapFromImage (Display* display, const Image& image) { ScopedXLock xlock; const unsigned int width = (unsigned int) image.getWidth(); const unsigned int height = (unsigned int) image.getHeight(); HeapBlock colour (width * height); int index = 0; for (int y = 0; y < (int) height; ++y) for (int x = 0; x < (int) width; ++x) colour[index++] = image.getPixelAt (x, y).getARGB(); XImage* ximage = XCreateImage (display, CopyFromParent, 24, ZPixmap, 0, reinterpret_cast (colour.getData()), width, height, 32, 0); Pixmap pixmap = XCreatePixmap (display, DefaultRootWindow (display), width, height, 24); GC gc = XCreateGC (display, pixmap, 0, 0); XPutImage (display, pixmap, gc, ximage, 0, 0, 0, 0, width, height); XFreeGC (display, gc); return pixmap; } Pixmap createMaskPixmapFromImage (Display* display, const Image& image) { ScopedXLock xlock; const unsigned int width = (unsigned int) image.getWidth(); const unsigned int height = (unsigned int) image.getHeight(); const unsigned int stride = (width + 7) >> 3; HeapBlock mask; mask.calloc (stride * height); const bool msbfirst = (BitmapBitOrder (display) == MSBFirst); for (unsigned int y = 0; y < height; ++y) { for (unsigned int x = 0; x < width; ++x) { const char bit = (char) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7))); const unsigned int offset = y * stride + (x >> 3); if (image.getPixelAt ((int) x, (int) y).getAlpha() >= 128) mask[offset] |= bit; } } return XCreatePixmapFromBitmapData (display, DefaultRootWindow (display), mask.getData(), width, height, 1, 0, 1); } } static void* createDraggingHandCursor() { static unsigned char dragHandData[] = { 71,73,70,56,57,97,16,0,16,0,145,2,0,0,0,0,255,255,255,0, 0,0,0,0,0,33,249,4,1,0,0,2,0,44,0,0,0,0,16,0, 16,0,0,2,52,148,47,0,200,185,16,130,90,12,74,139,107,84,123,39, 132,117,151,116,132,146,248,60,209,138,98,22,203,114,34,236,37,52,77,217, 247,154,191,119,110,240,193,128,193,95,163,56,60,234,98,135,2,0,59 }; const int dragHandDataSize = 99; return CustomMouseCursorInfo (ImageFileFormat::loadFrom (dragHandData, dragHandDataSize), 8, 7).create(); } //============================================================================== static int numAlwaysOnTopPeers = 0; bool juce_areThereAnyAlwaysOnTopWindows() { return numAlwaysOnTopPeers > 0; } //============================================================================== class LinuxComponentPeer : public ComponentPeer { public: LinuxComponentPeer (Component& comp, const int windowStyleFlags, Window parentToAddTo) : ComponentPeer (comp, windowStyleFlags), windowH (0), parentWindow (0), fullScreen (false), mapped (false), visual (nullptr), depth (0), isAlwaysOnTop (comp.isAlwaysOnTop()), currentScaleFactor (1.0) { // it's dangerous to create a window on a thread other than the message thread.. jassert (MessageManager::getInstance()->currentThreadHasLockedMessageManager()); dispatchWindowMessage = windowMessageReceive; repainter = new LinuxRepaintManager (*this); if (isAlwaysOnTop) ++numAlwaysOnTopPeers; createWindow (parentToAddTo); setTitle (component.getName()); } ~LinuxComponentPeer() { // it's dangerous to delete a window on a thread other than the message thread.. jassert (MessageManager::getInstance()->currentThreadHasLockedMessageManager()); deleteIconPixmaps(); destroyWindow(); windowH = 0; if (isAlwaysOnTop) --numAlwaysOnTopPeers; } // (this callback is hooked up in the messaging code) static void windowMessageReceive (XEvent& event) { if (event.xany.window != None) { if (LinuxComponentPeer* const peer = getPeerFor (event.xany.window)) peer->handleWindowMessage (event); } else if (event.xany.type == KeymapNotify) { const XKeymapEvent& keymapEvent = (const XKeymapEvent&) event.xkeymap; memcpy (Keys::keyStates, keymapEvent.key_vector, 32); } } //============================================================================== void* getNativeHandle() const override { return (void*) windowH; } static LinuxComponentPeer* getPeerFor (Window windowHandle) noexcept { XPointer peer = nullptr; if (display != nullptr) { ScopedXLock xlock; if (! XFindContext (display, (XID) windowHandle, windowHandleXContext, &peer)) if (peer != nullptr && ! ComponentPeer::isValidPeer (reinterpret_cast (peer))) peer = nullptr; } return reinterpret_cast (peer); } void setVisible (bool shouldBeVisible) override { ScopedXLock xlock; if (shouldBeVisible) XMapWindow (display, windowH); else XUnmapWindow (display, windowH); } void setTitle (const String& title) override { XTextProperty nameProperty; char* strings[] = { const_cast (title.toRawUTF8()) }; ScopedXLock xlock; if (XStringListToTextProperty (strings, 1, &nameProperty)) { XSetWMName (display, windowH, &nameProperty); XSetWMIconName (display, windowH, &nameProperty); XFree (nameProperty.value); } } void setBounds (const Rectangle& newBounds, bool isNowFullScreen) override { if (fullScreen && ! isNowFullScreen) { // When transitioning back from fullscreen, we might need to remove // the FULLSCREEN window property Atom fs = Atoms::getIfExists ("_NET_WM_STATE_FULLSCREEN"); if (fs != None) { Window root = RootWindow (display, DefaultScreen (display)); XClientMessageEvent clientMsg; clientMsg.display = display; clientMsg.window = windowH; clientMsg.type = ClientMessage; clientMsg.format = 32; clientMsg.message_type = Atoms::get().windowState; clientMsg.data.l[0] = 0; // Remove clientMsg.data.l[1] = (long) fs; clientMsg.data.l[2] = 0; clientMsg.data.l[3] = 1; // Normal Source ScopedXLock xlock; XSendEvent (display, root, false, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent*) &clientMsg); } } fullScreen = isNowFullScreen; if (windowH != 0) { bounds = newBounds.withSize (jmax (1, newBounds.getWidth()), jmax (1, newBounds.getHeight())); currentScaleFactor = DisplayGeometry::getInstance().findDisplayForRect (bounds, true).scale; Rectangle physicalBounds = DisplayGeometry::scaledToPhysical (bounds); WeakReference deletionChecker (&component); ScopedXLock xlock; XSizeHints* const hints = XAllocSizeHints(); hints->flags = USSize | USPosition; hints->x = physicalBounds.getX(); hints->y = physicalBounds.getY(); hints->width = physicalBounds.getWidth(); hints->height = physicalBounds.getHeight(); if ((getStyleFlags() & windowIsResizable) == 0) { hints->min_width = hints->max_width = hints->width; hints->min_height = hints->max_height = hints->height; hints->flags |= PMinSize | PMaxSize; } XSetWMNormalHints (display, windowH, hints); XFree (hints); XMoveResizeWindow (display, windowH, physicalBounds.getX() - windowBorder.getLeft(), physicalBounds.getY() - windowBorder.getTop(), (unsigned int) physicalBounds.getWidth(), (unsigned int) physicalBounds.getHeight()); if (deletionChecker != nullptr) { updateBorderSize(); handleMovedOrResized(); } } } Rectangle getBounds() const override { return bounds; } Point localToGlobal (Point relativePosition) override { return relativePosition + bounds.getPosition().toFloat(); } Point globalToLocal (Point screenPosition) override { return screenPosition - bounds.getPosition().toFloat(); } void setAlpha (float /* newAlpha */) override { //xxx todo! } StringArray getAvailableRenderingEngines() override { return StringArray ("Software Renderer"); } void setMinimised (bool shouldBeMinimised) override { if (shouldBeMinimised) { Window root = RootWindow (display, DefaultScreen (display)); XClientMessageEvent clientMsg; clientMsg.display = display; clientMsg.window = windowH; clientMsg.type = ClientMessage; clientMsg.format = 32; clientMsg.message_type = Atoms::get().changeState; clientMsg.data.l[0] = IconicState; ScopedXLock xlock; XSendEvent (display, root, false, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent*) &clientMsg); } else { setVisible (true); } } bool isMinimised() const override { ScopedXLock xlock; const Atoms& atoms = Atoms::get(); GetXProperty prop (windowH, atoms.state, 0, 64, false, atoms.state); return prop.success && prop.actualType == atoms.state && prop.actualFormat == 32 && prop.numItems > 0 && ((unsigned long*) prop.data)[0] == IconicState; } void setFullScreen (const bool shouldBeFullScreen) override { Rectangle r (lastNonFullscreenBounds); // (get a copy of this before de-minimising) setMinimised (false); if (fullScreen != shouldBeFullScreen) { if (shouldBeFullScreen) r = Desktop::getInstance().getDisplays().getMainDisplay().userArea; if (! r.isEmpty()) setBounds (ScalingHelpers::scaledScreenPosToUnscaled (component, r), shouldBeFullScreen); component.repaint(); } } bool isFullScreen() const override { return fullScreen; } bool isChildWindowOf (Window possibleParent) const { Window* windowList = nullptr; uint32 windowListSize = 0; Window parent, root; ScopedXLock xlock; if (XQueryTree (display, windowH, &root, &parent, &windowList, &windowListSize) != 0) { if (windowList != nullptr) XFree (windowList); return parent == possibleParent; } return false; } bool isFrontWindow() const { Window* windowList = nullptr; uint32 windowListSize = 0; bool result = false; ScopedXLock xlock; Window parent, root = RootWindow (display, DefaultScreen (display)); if (XQueryTree (display, root, &root, &parent, &windowList, &windowListSize) != 0) { for (int i = (int) windowListSize; --i >= 0;) { if (LinuxComponentPeer* const peer = LinuxComponentPeer::getPeerFor (windowList[i])) { result = (peer == this); break; } } } if (windowList != nullptr) XFree (windowList); return result; } bool contains (Point localPos, bool trueIfInAChildWindow) const override { if (! bounds.withZeroOrigin().contains (localPos)) return false; for (int i = Desktop::getInstance().getNumComponents(); --i >= 0;) { Component* const c = Desktop::getInstance().getComponent (i); if (c == &component) break; if (ComponentPeer* peer = c->getPeer()) if (peer->contains (localPos + bounds.getPosition() - peer->getBounds().getPosition(), true)) return false; } if (trueIfInAChildWindow) return true; ::Window root, child; int wx, wy; unsigned int ww, wh, bw, bitDepth; ScopedXLock xlock; localPos *= currentScaleFactor; return XGetGeometry (display, (::Drawable) windowH, &root, &wx, &wy, &ww, &wh, &bw, &bitDepth) && XTranslateCoordinates (display, windowH, windowH, localPos.getX(), localPos.getY(), &wx, &wy, &child) && child == None; } BorderSize getFrameSize() const override { return BorderSize(); } bool setAlwaysOnTop (bool /* alwaysOnTop */) override { return false; } void toFront (bool makeActive) override { if (makeActive) { setVisible (true); grabFocus(); } { ScopedXLock xlock; XEvent ev; ev.xclient.type = ClientMessage; ev.xclient.serial = 0; ev.xclient.send_event = True; ev.xclient.message_type = Atoms::get().activeWin; ev.xclient.window = windowH; ev.xclient.format = 32; ev.xclient.data.l[0] = 2; ev.xclient.data.l[1] = getUserTime(); ev.xclient.data.l[2] = 0; ev.xclient.data.l[3] = 0; ev.xclient.data.l[4] = 0; XSendEvent (display, RootWindow (display, DefaultScreen (display)), False, SubstructureRedirectMask | SubstructureNotifyMask, &ev); XWindowAttributes attr; XGetWindowAttributes (display, windowH, &attr); if (component.isAlwaysOnTop()) XRaiseWindow (display, windowH); XSync (display, False); } handleBroughtToFront(); } void toBehind (ComponentPeer* other) override { if (LinuxComponentPeer* const otherPeer = dynamic_cast (other)) { setMinimised (false); Window newStack[] = { otherPeer->windowH, windowH }; ScopedXLock xlock; XRestackWindows (display, newStack, 2); } else jassertfalse; // wrong type of window? } bool isFocused() const override { int revert = 0; Window focusedWindow = 0; ScopedXLock xlock; XGetInputFocus (display, &focusedWindow, &revert); return focusedWindow == windowH; } void grabFocus() override { XWindowAttributes atts; ScopedXLock xlock; if (windowH != 0 && XGetWindowAttributes (display, windowH, &atts) && atts.map_state == IsViewable && ! isFocused()) { XSetInputFocus (display, windowH, RevertToParent, (::Time) getUserTime()); isActiveApplication = true; } } void textInputRequired (Point, TextInputTarget&) override {} void repaint (const Rectangle& area) override { repainter->repaint (area.getIntersection (bounds.withZeroOrigin())); } void performAnyPendingRepaintsNow() override { repainter->performAnyPendingRepaintsNow(); } void setIcon (const Image& newIcon) override { const int dataSize = newIcon.getWidth() * newIcon.getHeight() + 2; HeapBlock data ((size_t) dataSize); int index = 0; data[index++] = (unsigned long) newIcon.getWidth(); data[index++] = (unsigned long) newIcon.getHeight(); for (int y = 0; y < newIcon.getHeight(); ++y) for (int x = 0; x < newIcon.getWidth(); ++x) data[index++] = (unsigned long) newIcon.getPixelAt (x, y).getARGB(); ScopedXLock xlock; xchangeProperty (windowH, Atoms::getCreating ("_NET_WM_ICON"), XA_CARDINAL, 32, data.getData(), dataSize); deleteIconPixmaps(); XWMHints* wmHints = XGetWMHints (display, windowH); if (wmHints == nullptr) wmHints = XAllocWMHints(); wmHints->flags |= IconPixmapHint | IconMaskHint; wmHints->icon_pixmap = PixmapHelpers::createColourPixmapFromImage (display, newIcon); wmHints->icon_mask = PixmapHelpers::createMaskPixmapFromImage (display, newIcon); XSetWMHints (display, windowH, wmHints); XFree (wmHints); XSync (display, False); } void deleteIconPixmaps() { ScopedXLock xlock; XWMHints* wmHints = XGetWMHints (display, windowH); if (wmHints != nullptr) { if ((wmHints->flags & IconPixmapHint) != 0) { wmHints->flags &= ~IconPixmapHint; XFreePixmap (display, wmHints->icon_pixmap); } if ((wmHints->flags & IconMaskHint) != 0) { wmHints->flags &= ~IconMaskHint; XFreePixmap (display, wmHints->icon_mask); } XSetWMHints (display, windowH, wmHints); XFree (wmHints); } } //============================================================================== void handleWindowMessage (XEvent& event) { switch (event.xany.type) { case KeyPressEventType: handleKeyPressEvent (event.xkey); break; case KeyRelease: handleKeyReleaseEvent (event.xkey); break; case ButtonPress: handleButtonPressEvent (event.xbutton); break; case ButtonRelease: handleButtonReleaseEvent (event.xbutton); break; case MotionNotify: handleMotionNotifyEvent (event.xmotion); break; case EnterNotify: handleEnterNotifyEvent (event.xcrossing); break; case LeaveNotify: handleLeaveNotifyEvent (event.xcrossing); break; case FocusIn: handleFocusInEvent(); break; case FocusOut: handleFocusOutEvent(); break; case Expose: handleExposeEvent (event.xexpose); break; case MappingNotify: handleMappingNotify (event.xmapping); break; case ClientMessage: handleClientMessageEvent (event.xclient, event); break; case SelectionNotify: handleDragAndDropSelection (event); break; case ConfigureNotify: handleConfigureNotifyEvent (event.xconfigure); break; case ReparentNotify: handleReparentNotifyEvent(); break; case GravityNotify: handleGravityNotify(); break; case SelectionClear: handleExternalSelectionClear(); break; case SelectionRequest: handleExternalSelectionRequest (event); break; case CirculateNotify: case CreateNotify: case DestroyNotify: // Think we can ignore these break; case MapNotify: mapped = true; handleBroughtToFront(); break; case UnmapNotify: mapped = false; break; default: #if JUCE_USE_XSHM if (XSHMHelpers::isShmAvailable()) { ScopedXLock xlock; if (event.xany.type == XShmGetEventBase (display)) repainter->notifyPaintCompleted(); } #endif break; } } void handleKeyPressEvent (XKeyEvent& keyEvent) { const ModifierKeys oldMods (currentModifiers); char utf8 [64] = { 0 }; juce_wchar unicodeChar = 0; int keyCode = 0; bool keyDownChange = false; KeySym sym; { ScopedXLock xlock; updateKeyStates ((int) keyEvent.keycode, true); String oldLocale (::setlocale (LC_ALL, 0)); ::setlocale (LC_ALL, ""); XLookupString (&keyEvent, utf8, sizeof (utf8), &sym, 0); if (oldLocale.isNotEmpty()) ::setlocale (LC_ALL, oldLocale.toRawUTF8()); unicodeChar = *CharPointer_UTF8 (utf8); keyCode = (int) unicodeChar; if (keyCode < 0x20) keyCode = (int) XkbKeycodeToKeysym (display, (::KeyCode) keyEvent.keycode, 0, currentModifiers.isShiftDown() ? 1 : 0); keyDownChange = (sym != NoSymbol) && ! updateKeyModifiersFromSym (sym, true); } bool keyPressed = false; if ((sym & 0xff00) == 0xff00 || keyCode == XK_ISO_Left_Tab) { switch (sym) // Translate keypad { case XK_KP_Add: keyCode = XK_plus; break; case XK_KP_Subtract: keyCode = XK_hyphen; break; case XK_KP_Divide: keyCode = XK_slash; break; case XK_KP_Multiply: keyCode = XK_asterisk; break; case XK_KP_Enter: keyCode = XK_Return; break; case XK_KP_Insert: keyCode = XK_Insert; break; case XK_Delete: case XK_KP_Delete: keyCode = XK_Delete; break; case XK_KP_Left: keyCode = XK_Left; break; case XK_KP_Right: keyCode = XK_Right; break; case XK_KP_Up: keyCode = XK_Up; break; case XK_KP_Down: keyCode = XK_Down; break; case XK_KP_Home: keyCode = XK_Home; break; case XK_KP_End: keyCode = XK_End; break; case XK_KP_Page_Down: keyCode = XK_Page_Down; break; case XK_KP_Page_Up: keyCode = XK_Page_Up; break; case XK_KP_0: keyCode = XK_0; break; case XK_KP_1: keyCode = XK_1; break; case XK_KP_2: keyCode = XK_2; break; case XK_KP_3: keyCode = XK_3; break; case XK_KP_4: keyCode = XK_4; break; case XK_KP_5: keyCode = XK_5; break; case XK_KP_6: keyCode = XK_6; break; case XK_KP_7: keyCode = XK_7; break; case XK_KP_8: keyCode = XK_8; break; case XK_KP_9: keyCode = XK_9; break; default: break; } switch (keyCode) { case XK_Left: case XK_Right: case XK_Up: case XK_Down: case XK_Page_Up: case XK_Page_Down: case XK_End: case XK_Home: case XK_Delete: case XK_Insert: keyPressed = true; keyCode = (keyCode & 0xff) | Keys::extendedKeyModifier; break; case XK_Tab: case XK_Return: case XK_Escape: case XK_BackSpace: keyPressed = true; keyCode &= 0xff; break; case XK_ISO_Left_Tab: keyPressed = true; keyCode = XK_Tab & 0xff; break; default: if (sym >= XK_F1 && sym <= XK_F16) { keyPressed = true; keyCode = (sym & 0xff) | Keys::extendedKeyModifier; } break; } } if (utf8[0] != 0 || ((sym & 0xff00) == 0 && sym >= 8)) keyPressed = true; if (oldMods != currentModifiers) handleModifierKeysChange(); if (keyDownChange) handleKeyUpOrDown (true); if (keyPressed) handleKeyPress (keyCode, unicodeChar); } static bool isKeyReleasePartOfAutoRepeat (const XKeyEvent& keyReleaseEvent) { if (XPending (display)) { XEvent e; XPeekEvent (display, &e); // Look for a subsequent key-down event with the same timestamp and keycode return e.type == KeyPressEventType && e.xkey.keycode == keyReleaseEvent.keycode && e.xkey.time == keyReleaseEvent.time; } return false; } void handleKeyReleaseEvent (const XKeyEvent& keyEvent) { if (! isKeyReleasePartOfAutoRepeat (keyEvent)) { updateKeyStates ((int) keyEvent.keycode, false); KeySym sym; { ScopedXLock xlock; sym = XkbKeycodeToKeysym (display, (::KeyCode) keyEvent.keycode, 0, 0); } const ModifierKeys oldMods (currentModifiers); const bool keyDownChange = (sym != NoSymbol) && ! updateKeyModifiersFromSym (sym, false); if (oldMods != currentModifiers) handleModifierKeysChange(); if (keyDownChange) handleKeyUpOrDown (false); } } template Point getMousePos (const EventType& e) noexcept { return Point ((float) e.x, (float) e.y) / currentScaleFactor; } void handleWheelEvent (const XButtonPressedEvent& buttonPressEvent, const float amount) { MouseWheelDetails wheel; wheel.deltaX = 0.0f; wheel.deltaY = amount; wheel.isReversed = false; wheel.isSmooth = false; handleMouseWheel (0, getMousePos (buttonPressEvent), getEventTime (buttonPressEvent), wheel); } void handleButtonPressEvent (const XButtonPressedEvent& buttonPressEvent, int buttonModifierFlag) { currentModifiers = currentModifiers.withFlags (buttonModifierFlag); toFront (true); handleMouseEvent (0, getMousePos (buttonPressEvent), currentModifiers, getEventTime (buttonPressEvent)); } void handleButtonPressEvent (const XButtonPressedEvent& buttonPressEvent) { updateKeyModifiers ((int) buttonPressEvent.state); switch (pointerMap [buttonPressEvent.button - Button1]) { case Keys::WheelUp: handleWheelEvent (buttonPressEvent, 50.0f / 256.0f); break; case Keys::WheelDown: handleWheelEvent (buttonPressEvent, -50.0f / 256.0f); break; case Keys::LeftButton: handleButtonPressEvent (buttonPressEvent, ModifierKeys::leftButtonModifier); break; case Keys::RightButton: handleButtonPressEvent (buttonPressEvent, ModifierKeys::rightButtonModifier); break; case Keys::MiddleButton: handleButtonPressEvent (buttonPressEvent, ModifierKeys::middleButtonModifier); break; default: break; } clearLastMousePos(); } void handleButtonReleaseEvent (const XButtonReleasedEvent& buttonRelEvent) { updateKeyModifiers ((int) buttonRelEvent.state); if (parentWindow != 0) updateWindowBounds(); switch (pointerMap [buttonRelEvent.button - Button1]) { case Keys::LeftButton: currentModifiers = currentModifiers.withoutFlags (ModifierKeys::leftButtonModifier); break; case Keys::RightButton: currentModifiers = currentModifiers.withoutFlags (ModifierKeys::rightButtonModifier); break; case Keys::MiddleButton: currentModifiers = currentModifiers.withoutFlags (ModifierKeys::middleButtonModifier); break; default: break; } if (dragState.dragging) handleExternalDragButtonReleaseEvent(); handleMouseEvent (0, getMousePos (buttonRelEvent), currentModifiers, getEventTime (buttonRelEvent)); clearLastMousePos(); } void handleMotionNotifyEvent (const XPointerMovedEvent& movedEvent) { updateKeyModifiers ((int) movedEvent.state); lastMousePos = Point (movedEvent.x_root, movedEvent.y_root); if (dragState.dragging) handleExternalDragMotionNotify(); handleMouseEvent (0, getMousePos (movedEvent), currentModifiers, getEventTime (movedEvent)); } void handleEnterNotifyEvent (const XEnterWindowEvent& enterEvent) { if (parentWindow != 0) updateWindowBounds(); clearLastMousePos(); if (! currentModifiers.isAnyMouseButtonDown()) { updateKeyModifiers ((int) enterEvent.state); handleMouseEvent (0, getMousePos (enterEvent), currentModifiers, getEventTime (enterEvent)); } } void handleLeaveNotifyEvent (const XLeaveWindowEvent& leaveEvent) { // Suppress the normal leave if we've got a pointer grab, or if // it's a bogus one caused by clicking a mouse button when running // in a Window manager if (((! currentModifiers.isAnyMouseButtonDown()) && leaveEvent.mode == NotifyNormal) || leaveEvent.mode == NotifyUngrab) { updateKeyModifiers ((int) leaveEvent.state); handleMouseEvent (0, getMousePos (leaveEvent), currentModifiers, getEventTime (leaveEvent)); } } void handleFocusInEvent() { isActiveApplication = true; if (isFocused()) handleFocusGain(); } void handleFocusOutEvent() { isActiveApplication = false; if (! isFocused()) handleFocusLoss(); } void handleExposeEvent (XExposeEvent& exposeEvent) { // Batch together all pending expose events XEvent nextEvent; ScopedXLock xlock; if (exposeEvent.window != windowH) { Window child; XTranslateCoordinates (display, exposeEvent.window, windowH, exposeEvent.x, exposeEvent.y, &exposeEvent.x, &exposeEvent.y, &child); } // exposeEvent is in local window local coordinates so do not convert with // physicalToScaled, but rather use currentScaleFactor repaint (Rectangle (exposeEvent.x, exposeEvent.y, exposeEvent.width, exposeEvent.height) / currentScaleFactor); while (XEventsQueued (display, QueuedAfterFlush) > 0) { XPeekEvent (display, &nextEvent); if (nextEvent.type != Expose || nextEvent.xany.window != exposeEvent.window) break; XNextEvent (display, &nextEvent); const XExposeEvent& nextExposeEvent = (const XExposeEvent&) nextEvent.xexpose; repaint (Rectangle (nextExposeEvent.x, nextExposeEvent.y, nextExposeEvent.width, nextExposeEvent.height) / currentScaleFactor); } } void handleConfigureNotifyEvent (XConfigureEvent& confEvent) { updateWindowBounds(); updateBorderSize(); handleMovedOrResized(); // if the native title bar is dragged, need to tell any active menus, etc. if ((styleFlags & windowHasTitleBar) != 0 && component.isCurrentlyBlockedByAnotherModalComponent()) { if (Component* const currentModalComp = Component::getCurrentlyModalComponent()) currentModalComp->inputAttemptWhenModal(); } if (confEvent.window == windowH && confEvent.above != 0 && isFrontWindow()) { handleBroughtToFront(); } } void handleReparentNotifyEvent() { parentWindow = 0; Window wRoot = 0; Window* wChild = nullptr; unsigned int numChildren; { ScopedXLock xlock; XQueryTree (display, windowH, &wRoot, &parentWindow, &wChild, &numChildren); } if (parentWindow == windowH || parentWindow == wRoot) parentWindow = 0; handleGravityNotify(); } void handleGravityNotify() { updateWindowBounds(); updateBorderSize(); handleMovedOrResized(); } void handleMappingNotify (XMappingEvent& mappingEvent) { if (mappingEvent.request != MappingPointer) { // Deal with modifier/keyboard mapping ScopedXLock xlock; XRefreshKeyboardMapping (&mappingEvent); updateModifierMappings(); } } void handleClientMessageEvent (XClientMessageEvent& clientMsg, XEvent& event) { const Atoms& atoms = Atoms::get(); if (clientMsg.message_type == atoms.protocols && clientMsg.format == 32) { const Atom atom = (Atom) clientMsg.data.l[0]; if (atom == atoms.protocolList [Atoms::PING]) { Window root = RootWindow (display, DefaultScreen (display)); clientMsg.window = root; XSendEvent (display, root, False, NoEventMask, &event); XFlush (display); } else if (atom == atoms.protocolList [Atoms::TAKE_FOCUS]) { if ((getStyleFlags() & juce::ComponentPeer::windowIgnoresKeyPresses) == 0) { XWindowAttributes atts; ScopedXLock xlock; if (clientMsg.window != 0 && XGetWindowAttributes (display, clientMsg.window, &atts)) { if (atts.map_state == IsViewable) XSetInputFocus (display, clientMsg.window, RevertToParent, (::Time) clientMsg.data.l[1]); } } } else if (atom == atoms.protocolList [Atoms::DELETE_WINDOW]) { handleUserClosingWindow(); } } else if (clientMsg.message_type == atoms.XdndEnter) { handleDragAndDropEnter (clientMsg); } else if (clientMsg.message_type == atoms.XdndLeave) { handleDragExit (dragInfo); resetDragAndDrop(); } else if (clientMsg.message_type == atoms.XdndPosition) { handleDragAndDropPosition (clientMsg); } else if (clientMsg.message_type == atoms.XdndDrop) { handleDragAndDropDrop (clientMsg); } else if (clientMsg.message_type == atoms.XdndStatus) { handleExternalDragAndDropStatus (clientMsg); } else if (clientMsg.message_type == atoms.XdndFinished) { externalResetDragAndDrop(); } } bool externalDragTextInit (const String& text) { if (dragState.dragging) return false; return externalDragInit (true, text); } bool externalDragFileInit (const StringArray& files, bool /*canMoveFiles*/) { if (dragState.dragging) return false; StringArray uriList; for (int i = 0; i < files.size(); ++i) { const String& f = files[i]; if (f.matchesWildcard ("?*://*", false)) uriList.add (f); else uriList.add ("file://" + f); } return externalDragInit (false, uriList.joinIntoString ("\r\n")); } //============================================================================== void showMouseCursor (Cursor cursor) noexcept { ScopedXLock xlock; XDefineCursor (display, windowH, cursor); } //============================================================================== double getCurrentScale() noexcept { return currentScaleFactor; } //============================================================================== bool dontRepaint; static ModifierKeys currentModifiers; static bool isActiveApplication; private: //============================================================================== class LinuxRepaintManager : public Timer { public: LinuxRepaintManager (LinuxComponentPeer& p) : peer (p), lastTimeImageUsed (0) { #if JUCE_USE_XSHM shmPaintsPending = 0; useARGBImagesForRendering = XSHMHelpers::isShmAvailable(); if (useARGBImagesForRendering) { ScopedXLock xlock; XShmSegmentInfo segmentinfo; XImage* const testImage = XShmCreateImage (display, DefaultVisual (display, DefaultScreen (display)), 24, ZPixmap, 0, &segmentinfo, 64, 64); useARGBImagesForRendering = (testImage->bits_per_pixel == 32); XDestroyImage (testImage); } #endif } void timerCallback() override { #if JUCE_USE_XSHM if (shmPaintsPending != 0) return; #endif if (! regionsNeedingRepaint.isEmpty()) { stopTimer(); performAnyPendingRepaintsNow(); } else if (Time::getApproximateMillisecondCounter() > lastTimeImageUsed + 3000) { stopTimer(); image = Image::null; } } void repaint (const Rectangle& area) { if (! isTimerRunning()) startTimer (repaintTimerPeriod); regionsNeedingRepaint.add (area * peer.currentScaleFactor); } void performAnyPendingRepaintsNow() { #if JUCE_USE_XSHM if (shmPaintsPending != 0) { startTimer (repaintTimerPeriod); return; } #endif RectangleList originalRepaintRegion (regionsNeedingRepaint); regionsNeedingRepaint.clear(); const Rectangle totalArea (originalRepaintRegion.getBounds()); if (! totalArea.isEmpty()) { if (image.isNull() || image.getWidth() < totalArea.getWidth() || image.getHeight() < totalArea.getHeight()) { #if JUCE_USE_XSHM image = Image (new XBitmapImage (useARGBImagesForRendering ? Image::ARGB : Image::RGB, #else image = Image (new XBitmapImage (Image::RGB, #endif (totalArea.getWidth() + 31) & ~31, (totalArea.getHeight() + 31) & ~31, false, (unsigned int) peer.depth, peer.visual)); } startTimer (repaintTimerPeriod); RectangleList adjustedList (originalRepaintRegion); adjustedList.offsetAll (-totalArea.getX(), -totalArea.getY()); if (peer.depth == 32) for (const Rectangle* i = originalRepaintRegion.begin(), * const e = originalRepaintRegion.end(); i != e; ++i) image.clear (*i - totalArea.getPosition()); { ScopedPointer context (peer.getComponent().getLookAndFeel() .createGraphicsContext (image, -totalArea.getPosition(), adjustedList)); context->addTransform (AffineTransform::scale ((float) peer.currentScaleFactor)); peer.handlePaint (*context); } for (const Rectangle* i = originalRepaintRegion.begin(), * const e = originalRepaintRegion.end(); i != e; ++i) { XBitmapImage* xbitmap = static_cast (image.getPixelData()); #if JUCE_USE_XSHM if (xbitmap->isUsingXShm()) ++shmPaintsPending; #endif xbitmap->blitToWindow (peer.windowH, i->getX(), i->getY(), (unsigned int) i->getWidth(), (unsigned int) i->getHeight(), i->getX() - totalArea.getX(), i->getY() - totalArea.getY()); } } lastTimeImageUsed = Time::getApproximateMillisecondCounter(); startTimer (repaintTimerPeriod); } #if JUCE_USE_XSHM void notifyPaintCompleted() noexcept { --shmPaintsPending; } #endif private: enum { repaintTimerPeriod = 1000 / 100 }; LinuxComponentPeer& peer; Image image; uint32 lastTimeImageUsed; RectangleList regionsNeedingRepaint; #if JUCE_USE_XSHM bool useARGBImagesForRendering; int shmPaintsPending; #endif JUCE_DECLARE_NON_COPYABLE (LinuxRepaintManager) }; ScopedPointer repainter; friend class LinuxRepaintManager; Window windowH, parentWindow; Rectangle bounds; Image taskbarImage; bool fullScreen, mapped; Visual* visual; int depth; BorderSize windowBorder; bool isAlwaysOnTop; double currentScaleFactor; enum { KeyPressEventType = 2 }; struct MotifWmHints { unsigned long flags; unsigned long functions; unsigned long decorations; long input_mode; unsigned long status; }; static void updateKeyStates (const int keycode, const bool press) noexcept { const int keybyte = keycode >> 3; const int keybit = (1 << (keycode & 7)); if (press) Keys::keyStates [keybyte] |= keybit; else Keys::keyStates [keybyte] &= ~keybit; } static void updateKeyModifiers (const int status) noexcept { int keyMods = 0; if ((status & ShiftMask) != 0) keyMods |= ModifierKeys::shiftModifier; if ((status & ControlMask) != 0) keyMods |= ModifierKeys::ctrlModifier; if ((status & Keys::AltMask) != 0) keyMods |= ModifierKeys::altModifier; currentModifiers = currentModifiers.withOnlyMouseButtons().withFlags (keyMods); Keys::numLock = ((status & Keys::NumLockMask) != 0); Keys::capsLock = ((status & LockMask) != 0); } static bool updateKeyModifiersFromSym (KeySym sym, const bool press) noexcept { int modifier = 0; bool isModifier = true; switch (sym) { case XK_Shift_L: case XK_Shift_R: modifier = ModifierKeys::shiftModifier; break; case XK_Control_L: case XK_Control_R: modifier = ModifierKeys::ctrlModifier; break; case XK_Alt_L: case XK_Alt_R: modifier = ModifierKeys::altModifier; break; case XK_Num_Lock: if (press) Keys::numLock = ! Keys::numLock; break; case XK_Caps_Lock: if (press) Keys::capsLock = ! Keys::capsLock; break; case XK_Scroll_Lock: break; default: isModifier = false; break; } currentModifiers = press ? currentModifiers.withFlags (modifier) : currentModifiers.withoutFlags (modifier); return isModifier; } // Alt and Num lock are not defined by standard X // modifier constants: check what they're mapped to static void updateModifierMappings() noexcept { ScopedXLock xlock; const int altLeftCode = XKeysymToKeycode (display, XK_Alt_L); const int numLockCode = XKeysymToKeycode (display, XK_Num_Lock); Keys::AltMask = 0; Keys::NumLockMask = 0; if (XModifierKeymap* const mapping = XGetModifierMapping (display)) { for (int i = 0; i < 8; i++) { if (mapping->modifiermap [i << 1] == altLeftCode) Keys::AltMask = 1 << i; else if (mapping->modifiermap [i << 1] == numLockCode) Keys::NumLockMask = 1 << i; } XFreeModifiermap (mapping); } } //============================================================================== static void xchangeProperty (Window wndH, Atom property, Atom type, int format, const void* data, int numElements) { XChangeProperty (display, wndH, property, type, format, PropModeReplace, (const unsigned char*) data, numElements); } void removeWindowDecorations (Window wndH) { Atom hints = Atoms::getIfExists ("_MOTIF_WM_HINTS"); if (hints != None) { MotifWmHints motifHints; zerostruct (motifHints); motifHints.flags = 2; /* MWM_HINTS_DECORATIONS */ motifHints.decorations = 0; ScopedXLock xlock; xchangeProperty (wndH, hints, hints, 32, &motifHints, 4); } hints = Atoms::getIfExists ("_WIN_HINTS"); if (hints != None) { long gnomeHints = 0; ScopedXLock xlock; xchangeProperty (wndH, hints, hints, 32, &gnomeHints, 1); } hints = Atoms::getIfExists ("KWM_WIN_DECORATION"); if (hints != None) { long kwmHints = 2; /*KDE_tinyDecoration*/ ScopedXLock xlock; xchangeProperty (wndH, hints, hints, 32, &kwmHints, 1); } } void addWindowButtons (Window wndH) { ScopedXLock xlock; Atom hints = Atoms::getIfExists ("_MOTIF_WM_HINTS"); if (hints != None) { MotifWmHints motifHints; zerostruct (motifHints); motifHints.flags = 1 | 2; /* MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS */ motifHints.decorations = 2 /* MWM_DECOR_BORDER */ | 8 /* MWM_DECOR_TITLE */ | 16; /* MWM_DECOR_MENU */ motifHints.functions = 4 /* MWM_FUNC_MOVE */; if ((styleFlags & windowHasCloseButton) != 0) motifHints.functions |= 32; /* MWM_FUNC_CLOSE */ if ((styleFlags & windowHasMinimiseButton) != 0) { motifHints.functions |= 8; /* MWM_FUNC_MINIMIZE */ motifHints.decorations |= 0x20; /* MWM_DECOR_MINIMIZE */ } if ((styleFlags & windowHasMaximiseButton) != 0) { motifHints.functions |= 0x10; /* MWM_FUNC_MAXIMIZE */ motifHints.decorations |= 0x40; /* MWM_DECOR_MAXIMIZE */ } if ((styleFlags & windowIsResizable) != 0) { motifHints.functions |= 2; /* MWM_FUNC_RESIZE */ motifHints.decorations |= 0x4; /* MWM_DECOR_RESIZEH */ } xchangeProperty (wndH, hints, hints, 32, &motifHints, 5); } hints = Atoms::getIfExists ("_NET_WM_ALLOWED_ACTIONS"); if (hints != None) { Atom netHints [6]; int num = 0; if ((styleFlags & windowIsResizable) != 0) netHints [num++] = Atoms::getIfExists ("_NET_WM_ACTION_RESIZE"); if ((styleFlags & windowHasMaximiseButton) != 0) netHints [num++] = Atoms::getIfExists ("_NET_WM_ACTION_FULLSCREEN"); if ((styleFlags & windowHasMinimiseButton) != 0) netHints [num++] = Atoms::getIfExists ("_NET_WM_ACTION_MINIMIZE"); if ((styleFlags & windowHasCloseButton) != 0) netHints [num++] = Atoms::getIfExists ("_NET_WM_ACTION_CLOSE"); xchangeProperty (wndH, hints, XA_ATOM, 32, &netHints, num); } } void setWindowType() { Atom netHints [2]; if (styleFlags & windowIsTemporary) netHints [0] = Atoms::getIfExists ("_NET_WM_WINDOW_TYPE_TOOLTIP"); else if ((styleFlags & windowHasDropShadow) == 0 && Desktop::canUseSemiTransparentWindows()) netHints [0] = Atoms::getIfExists ("_NET_WM_WINDOW_TYPE_COMBO"); else netHints [0] = Atoms::getIfExists ("_NET_WM_WINDOW_TYPE_NORMAL"); netHints[1] = Atoms::getIfExists ("_KDE_NET_WM_WINDOW_TYPE_OVERRIDE"); xchangeProperty (windowH, Atoms::get().windowType, XA_ATOM, 32, &netHints, 2); int numHints = 0; if ((styleFlags & windowAppearsOnTaskbar) == 0) netHints [numHints++] = Atoms::getIfExists ("_NET_WM_STATE_SKIP_TASKBAR"); if (component.isAlwaysOnTop()) netHints [numHints++] = Atoms::getIfExists ("_NET_WM_STATE_ABOVE"); if (numHints > 0) xchangeProperty (windowH, Atoms::get().windowState, XA_ATOM, 32, &netHints, numHints); } void createWindow (Window parentToAddTo) { ScopedXLock xlock; resetDragAndDrop(); // Get defaults for various properties const int screen = DefaultScreen (display); Window root = RootWindow (display, screen); parentWindow = parentToAddTo; // Try to obtain a 32-bit visual or fallback to 24 or 16 visual = Visuals::findVisualFormat ((styleFlags & windowIsSemiTransparent) ? 32 : 24, depth); if (visual == nullptr) { Logger::outputDebugString ("ERROR: System doesn't support 32, 24 or 16 bit RGB display.\n"); Process::terminate(); } // Create and install a colormap suitable fr our visual Colormap colormap = XCreateColormap (display, root, visual, AllocNone); XInstallColormap (display, colormap); // Set up the window attributes XSetWindowAttributes swa; swa.border_pixel = 0; swa.background_pixmap = None; swa.colormap = colormap; swa.override_redirect = (styleFlags & windowIsTemporary) ? True : False; swa.event_mask = getAllEventsMask(); windowH = XCreateWindow (display, parentToAddTo != 0 ? parentToAddTo : root, 0, 0, 1, 1, 0, depth, InputOutput, visual, CWBorderPixel | CWColormap | CWBackPixmap | CWEventMask | CWOverrideRedirect, &swa); XGrabButton (display, AnyButton, AnyModifier, windowH, False, ButtonPressMask | ButtonReleaseMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask, GrabModeAsync, GrabModeAsync, None, None); // Set the window context to identify the window handle object if (XSaveContext (display, (XID) windowH, windowHandleXContext, (XPointer) this)) { // Failed jassertfalse; Logger::outputDebugString ("Failed to create context information for window.\n"); XDestroyWindow (display, windowH); windowH = 0; return; } // Set window manager hints XWMHints* wmHints = XAllocWMHints(); wmHints->flags = InputHint | StateHint; wmHints->input = True; // Locally active input model wmHints->initial_state = NormalState; XSetWMHints (display, windowH, wmHints); XFree (wmHints); // Set the window type setWindowType(); // Define decoration if ((styleFlags & windowHasTitleBar) == 0) removeWindowDecorations (windowH); else addWindowButtons (windowH); setTitle (component.getName()); const Atoms& atoms = Atoms::get(); // Associate the PID, allowing to be shut down when something goes wrong unsigned long pid = (unsigned long) getpid(); xchangeProperty (windowH, atoms.pid, XA_CARDINAL, 32, &pid, 1); // Set window manager protocols xchangeProperty (windowH, atoms.protocols, XA_ATOM, 32, atoms.protocolList, 2); // Set drag and drop flags xchangeProperty (windowH, atoms.XdndTypeList, XA_ATOM, 32, atoms.allowedMimeTypes, numElementsInArray (atoms.allowedMimeTypes)); xchangeProperty (windowH, atoms.XdndActionList, XA_ATOM, 32, atoms.allowedActions, numElementsInArray (atoms.allowedActions)); xchangeProperty (windowH, atoms.XdndActionDescription, XA_STRING, 8, "", 0); xchangeProperty (windowH, atoms.XdndAware, XA_ATOM, 32, &Atoms::DndVersion, 1); initialisePointerMap(); updateModifierMappings(); } void destroyWindow() { ScopedXLock xlock; XPointer handlePointer; if (! XFindContext (display, (XID) windowH, windowHandleXContext, &handlePointer)) XDeleteContext (display, (XID) windowH, windowHandleXContext); XDestroyWindow (display, windowH); // Wait for it to complete and then remove any events for this // window from the event queue. XSync (display, false); XEvent event; while (XCheckWindowEvent (display, windowH, getAllEventsMask(), &event) == True) {} } static int getAllEventsMask() noexcept { return NoEventMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask | KeymapStateMask | ExposureMask | StructureNotifyMask | FocusChangeMask; } template static int64 getEventTime (const EventType& t) { return getEventTime (t.time); } static int64 getEventTime (::Time t) { static int64 eventTimeOffset = 0x12345678; const int64 thisMessageTime = (int64) t; if (eventTimeOffset == 0x12345678) eventTimeOffset = Time::currentTimeMillis() - thisMessageTime; return eventTimeOffset + thisMessageTime; } long getUserTime() const { GetXProperty prop (windowH, Atoms::get().userTime, 0, 65536, false, XA_CARDINAL); return prop.success ? *(long*) prop.data : 0; } void updateBorderSize() { if ((styleFlags & windowHasTitleBar) == 0) { windowBorder = BorderSize (0); } else if (windowBorder.getTopAndBottom() == 0 && windowBorder.getLeftAndRight() == 0) { ScopedXLock xlock; Atom hints = Atoms::getIfExists ("_NET_FRAME_EXTENTS"); if (hints != None) { GetXProperty prop (windowH, hints, 0, 4, false, XA_CARDINAL); if (prop.success && prop.actualFormat == 32) { const unsigned long* const sizes = (const unsigned long*) prop.data; windowBorder = BorderSize ((int) sizes[2], (int) sizes[0], (int) sizes[3], (int) sizes[1]); } } } } void updateWindowBounds() { jassert (windowH != 0); if (windowH != 0) { Window root, child; int wx = 0, wy = 0; unsigned int ww = 0, wh = 0, bw, bitDepth; ScopedXLock xlock; if (XGetGeometry (display, (::Drawable) windowH, &root, &wx, &wy, &ww, &wh, &bw, &bitDepth)) if (! XTranslateCoordinates (display, windowH, root, 0, 0, &wx, &wy, &child)) wx = wy = 0; Rectangle physicalBounds (wx, wy, (int) ww, (int) wh); currentScaleFactor = DisplayGeometry::getInstance().findDisplayForRect (physicalBounds, false).scale; bounds = DisplayGeometry::physicalToScaled (physicalBounds); } } //============================================================================== struct DragState { DragState() noexcept : isText (false), dragging (false), expectingStatus (false), canDrop (false), targetWindow (None), xdndVersion (-1) { } bool isText; bool dragging; // currently performing outgoing external dnd as Xdnd source, have grabbed mouse bool expectingStatus; // XdndPosition sent, waiting for XdndStatus bool canDrop; // target window signals it will accept the drop Window targetWindow; // potential drop target int xdndVersion; // negotiated version with target Rectangle silentRect; String textOrFiles; const Atom* getMimeTypes() const noexcept { return isText ? Atoms::get().externalAllowedTextMimeTypes : Atoms::get().externalAllowedFileMimeTypes; } int getNumMimeTypes() const noexcept { return isText ? numElementsInArray (Atoms::get().externalAllowedTextMimeTypes) : numElementsInArray (Atoms::get().externalAllowedFileMimeTypes); } bool matchesTarget (Atom targetType) const { for (int i = getNumMimeTypes(); --i >= 0;) if (getMimeTypes()[i] == targetType) return true; return false; } }; //============================================================================== void resetDragAndDrop() { dragInfo.clear(); dragInfo.position = Point (-1, -1); dragAndDropCurrentMimeType = 0; dragAndDropSourceWindow = 0; srcMimeTypeAtomList.clear(); finishAfterDropDataReceived = false; } void resetExternalDragState() { dragState = DragState(); } void sendDragAndDropMessage (XClientMessageEvent& msg) { msg.type = ClientMessage; msg.display = display; msg.window = dragAndDropSourceWindow; msg.format = 32; msg.data.l[0] = (long) windowH; ScopedXLock xlock; XSendEvent (display, dragAndDropSourceWindow, False, 0, (XEvent*) &msg); } bool sendExternalDragAndDropMessage (XClientMessageEvent& msg, const Window targetWindow) { msg.type = ClientMessage; msg.display = display; msg.window = targetWindow; msg.format = 32; msg.data.l[0] = (long) windowH; ScopedXLock xlock; return XSendEvent (display, targetWindow, False, 0, (XEvent*) &msg) != 0; } void sendExternalDragAndDropDrop (const Window targetWindow) { XClientMessageEvent msg; zerostruct (msg); msg.message_type = Atoms::get().XdndDrop; msg.data.l[2] = CurrentTime; sendExternalDragAndDropMessage (msg, targetWindow); } void sendExternalDragAndDropEnter (const Window targetWindow) { XClientMessageEvent msg; zerostruct (msg); msg.message_type = Atoms::get().XdndEnter; const Atom* mimeTypes = dragState.getMimeTypes(); const int numMimeTypes = dragState.getNumMimeTypes(); msg.data.l[1] = (dragState.xdndVersion << 24) | (numMimeTypes > 3); msg.data.l[2] = numMimeTypes > 0 ? (long) mimeTypes[0] : 0; msg.data.l[3] = numMimeTypes > 1 ? (long) mimeTypes[1] : 0; msg.data.l[4] = numMimeTypes > 2 ? (long) mimeTypes[2] : 0; sendExternalDragAndDropMessage (msg, targetWindow); } void sendExternalDragAndDropPosition (const Window targetWindow) { XClientMessageEvent msg; zerostruct (msg); msg.message_type = Atoms::get().XdndPosition; Point mousePos (Desktop::getInstance().getMousePosition()); if (dragState.silentRect.contains (mousePos)) // we've been asked to keep silent return; mousePos = DisplayGeometry::scaledToPhysical (mousePos); msg.data.l[1] = 0; msg.data.l[2] = (mousePos.x << 16) | mousePos.y; msg.data.l[3] = CurrentTime; msg.data.l[4] = (long) Atoms::get().XdndActionCopy; // this is all JUCE currently supports dragState.expectingStatus = sendExternalDragAndDropMessage (msg, targetWindow); } void sendDragAndDropStatus (const bool acceptDrop, Atom dropAction) { XClientMessageEvent msg; zerostruct (msg); msg.message_type = Atoms::get().XdndStatus; msg.data.l[1] = (acceptDrop ? 1 : 0) | 2; // 2 indicates that we want to receive position messages msg.data.l[4] = (long) dropAction; sendDragAndDropMessage (msg); } void sendExternalDragAndDropLeave (const Window targetWindow) { XClientMessageEvent msg; zerostruct (msg); msg.message_type = Atoms::get().XdndLeave; sendExternalDragAndDropMessage (msg, targetWindow); } void sendDragAndDropFinish() { XClientMessageEvent msg; zerostruct (msg); msg.message_type = Atoms::get().XdndFinished; sendDragAndDropMessage (msg); } void handleExternalSelectionClear() { if (dragState.dragging) externalResetDragAndDrop(); } void handleExternalSelectionRequest (const XEvent& evt) { Atom targetType = evt.xselectionrequest.target; XEvent s; s.xselection.type = SelectionNotify; s.xselection.requestor = evt.xselectionrequest.requestor; s.xselection.selection = evt.xselectionrequest.selection; s.xselection.target = targetType; s.xselection.property = None; s.xselection.time = evt.xselectionrequest.time; if (dragState.matchesTarget (targetType)) { s.xselection.property = evt.xselectionrequest.property; xchangeProperty (evt.xselectionrequest.requestor, evt.xselectionrequest.property, targetType, 8, dragState.textOrFiles.toRawUTF8(), (int) dragState.textOrFiles.getNumBytesAsUTF8()); } XSendEvent (display, evt.xselectionrequest.requestor, True, 0, &s); } void handleExternalDragAndDropStatus (const XClientMessageEvent& clientMsg) { if (dragState.expectingStatus) { dragState.expectingStatus = false; dragState.canDrop = false; dragState.silentRect = Rectangle(); if ((clientMsg.data.l[1] & 1) != 0 && ((Atom) clientMsg.data.l[4] == Atoms::get().XdndActionCopy || (Atom) clientMsg.data.l[4] == Atoms::get().XdndActionPrivate)) { if ((clientMsg.data.l[1] & 2) == 0) // target requests silent rectangle dragState.silentRect.setBounds ((int) clientMsg.data.l[2] >> 16, (int) clientMsg.data.l[2] & 0xffff, (int) clientMsg.data.l[3] >> 16, (int) clientMsg.data.l[3] & 0xffff); dragState.canDrop = true; } } } void handleExternalDragButtonReleaseEvent() { if (dragState.dragging) XUngrabPointer (display, CurrentTime); if (dragState.canDrop) { sendExternalDragAndDropDrop (dragState.targetWindow); } else { sendExternalDragAndDropLeave (dragState.targetWindow); externalResetDragAndDrop(); } } void handleExternalDragMotionNotify() { Window targetWindow = externalFindDragTargetWindow (RootWindow (display, DefaultScreen (display))); if (dragState.targetWindow != targetWindow) { if (dragState.targetWindow != None) sendExternalDragAndDropLeave (dragState.targetWindow); dragState.canDrop = false; dragState.silentRect = Rectangle(); if (targetWindow == None) return; GetXProperty prop (targetWindow, Atoms::get().XdndAware, 0, 2, false, AnyPropertyType); if (prop.success && prop.data != None && prop.actualFormat == 32 && prop.numItems == 1) { dragState.xdndVersion = jmin ((int) prop.data[0], (int) Atoms::DndVersion); } else { dragState.xdndVersion = -1; return; } sendExternalDragAndDropEnter (targetWindow); dragState.targetWindow = targetWindow; } if (! dragState.expectingStatus) sendExternalDragAndDropPosition (targetWindow); } void handleDragAndDropPosition (const XClientMessageEvent& clientMsg) { if (dragAndDropSourceWindow == 0) return; dragAndDropSourceWindow = (::Window) clientMsg.data.l[0]; Point dropPos ((int) clientMsg.data.l[2] >> 16, (int) clientMsg.data.l[2] & 0xffff); dropPos -= bounds.getPosition(); const Atoms& atoms = Atoms::get(); Atom targetAction = atoms.XdndActionCopy; for (int i = numElementsInArray (atoms.allowedActions); --i >= 0;) { if ((Atom) clientMsg.data.l[4] == atoms.allowedActions[i]) { targetAction = atoms.allowedActions[i]; break; } } sendDragAndDropStatus (true, targetAction); if (dragInfo.position != dropPos) { dragInfo.position = dropPos; if (dragInfo.isEmpty()) updateDraggedFileList (clientMsg); if (! dragInfo.isEmpty()) handleDragMove (dragInfo); } } void handleDragAndDropDrop (const XClientMessageEvent& clientMsg) { if (dragInfo.isEmpty()) { // no data, transaction finished in handleDragAndDropSelection() finishAfterDropDataReceived = true; updateDraggedFileList (clientMsg); } else { handleDragAndDropDataReceived(); // data was already received } } void handleDragAndDropDataReceived() { DragInfo dragInfoCopy (dragInfo); sendDragAndDropFinish(); resetDragAndDrop(); if (! dragInfoCopy.isEmpty()) handleDragDrop (dragInfoCopy); } void handleDragAndDropEnter (const XClientMessageEvent& clientMsg) { dragInfo.clear(); srcMimeTypeAtomList.clear(); dragAndDropCurrentMimeType = 0; const unsigned long dndCurrentVersion = static_cast (clientMsg.data.l[1] & 0xff000000) >> 24; if (dndCurrentVersion < 3 || dndCurrentVersion > Atoms::DndVersion) { dragAndDropSourceWindow = 0; return; } dragAndDropSourceWindow = (::Window) clientMsg.data.l[0]; if ((clientMsg.data.l[1] & 1) != 0) { ScopedXLock xlock; GetXProperty prop (dragAndDropSourceWindow, Atoms::get().XdndTypeList, 0, 0x8000000L, false, XA_ATOM); if (prop.success && prop.actualType == XA_ATOM && prop.actualFormat == 32 && prop.numItems != 0) { const unsigned long* const types = (const unsigned long*) prop.data; for (unsigned long i = 0; i < prop.numItems; ++i) if (types[i] != None) srcMimeTypeAtomList.add (types[i]); } } if (srcMimeTypeAtomList.size() == 0) { for (int i = 2; i < 5; ++i) if (clientMsg.data.l[i] != None) srcMimeTypeAtomList.add ((unsigned long) clientMsg.data.l[i]); if (srcMimeTypeAtomList.size() == 0) { dragAndDropSourceWindow = 0; return; } } const Atoms& atoms = Atoms::get(); for (int i = 0; i < srcMimeTypeAtomList.size() && dragAndDropCurrentMimeType == 0; ++i) for (int j = 0; j < numElementsInArray (atoms.allowedMimeTypes); ++j) if (srcMimeTypeAtomList[i] == atoms.allowedMimeTypes[j]) dragAndDropCurrentMimeType = atoms.allowedMimeTypes[j]; handleDragAndDropPosition (clientMsg); } void handleDragAndDropSelection (const XEvent& evt) { dragInfo.clear(); if (evt.xselection.property != None) { StringArray lines; { MemoryBlock dropData; for (;;) { GetXProperty prop (evt.xany.window, evt.xselection.property, dropData.getSize() / 4, 65536, false, AnyPropertyType); if (! prop.success) break; dropData.append (prop.data, prop.numItems * (size_t) prop.actualFormat / 8); if (prop.bytesLeft <= 0) break; } lines.addLines (dropData.toString()); } if (Atoms::isMimeTypeFile (dragAndDropCurrentMimeType)) { for (int i = 0; i < lines.size(); ++i) dragInfo.files.add (URL::removeEscapeChars (lines[i].replace ("file://", String::empty, true))); dragInfo.files.trim(); dragInfo.files.removeEmptyStrings(); } else { dragInfo.text = lines.joinIntoString ("\n"); } if (finishAfterDropDataReceived) handleDragAndDropDataReceived(); } } void updateDraggedFileList (const XClientMessageEvent& clientMsg) { jassert (dragInfo.isEmpty()); if (dragAndDropSourceWindow != None && dragAndDropCurrentMimeType != None) { ScopedXLock xlock; XConvertSelection (display, Atoms::get().XdndSelection, dragAndDropCurrentMimeType, Atoms::getCreating ("JXSelectionWindowProperty"), windowH, (::Time) clientMsg.data.l[2]); } } static bool isWindowDnDAware (Window w) { int numProperties = 0; Atom* const atoms = XListProperties (display, w, &numProperties); bool dndAwarePropFound = false; for (int i = 0; i < numProperties; ++i) if (atoms[i] == Atoms::get().XdndAware) dndAwarePropFound = true; if (atoms != nullptr) XFree (atoms); return dndAwarePropFound; } Window externalFindDragTargetWindow (Window targetWindow) { if (targetWindow == None) return None; if (isWindowDnDAware (targetWindow)) return targetWindow; Window child, phonyWin; int phony; unsigned int uphony; XQueryPointer (display, targetWindow, &phonyWin, &child, &phony, &phony, &phony, &phony, &uphony); return externalFindDragTargetWindow (child); } bool externalDragInit (bool isText, const String& textOrFiles) { ScopedXLock xlock; resetExternalDragState(); dragState.isText = isText; dragState.textOrFiles = textOrFiles; dragState.targetWindow = windowH; const int pointerGrabMask = Button1MotionMask | ButtonReleaseMask; if (XGrabPointer (display, windowH, True, pointerGrabMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime) == GrabSuccess) { // No other method of changing the pointer seems to work, this call is needed from this very context XChangeActivePointerGrab (display, pointerGrabMask, (Cursor) createDraggingHandCursor(), CurrentTime); const Atoms& atoms = Atoms::get(); XSetSelectionOwner (display, atoms.XdndSelection, windowH, CurrentTime); // save the available types to XdndTypeList xchangeProperty (windowH, atoms.XdndTypeList, XA_ATOM, 32, dragState.getMimeTypes(), dragState.getNumMimeTypes()); dragState.dragging = true; handleExternalDragMotionNotify(); return true; } return false; } void externalResetDragAndDrop() { if (dragState.dragging) { ScopedXLock xlock; XUngrabPointer (display, CurrentTime); } resetExternalDragState(); } DragState dragState; DragInfo dragInfo; Atom dragAndDropCurrentMimeType; Window dragAndDropSourceWindow; bool finishAfterDropDataReceived; Array srcMimeTypeAtomList; int pointerMap[5]; void initialisePointerMap() { const int numButtons = XGetPointerMapping (display, 0, 0); pointerMap[2] = pointerMap[3] = pointerMap[4] = Keys::NoButton; if (numButtons == 2) { pointerMap[0] = Keys::LeftButton; pointerMap[1] = Keys::RightButton; } else if (numButtons >= 3) { pointerMap[0] = Keys::LeftButton; pointerMap[1] = Keys::MiddleButton; pointerMap[2] = Keys::RightButton; if (numButtons >= 5) { pointerMap[3] = Keys::WheelUp; pointerMap[4] = Keys::WheelDown; } } } static Point lastMousePos; static void clearLastMousePos() noexcept { lastMousePos = Point (0x100000, 0x100000); } JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LinuxComponentPeer) }; ModifierKeys LinuxComponentPeer::currentModifiers; bool LinuxComponentPeer::isActiveApplication = false; Point LinuxComponentPeer::lastMousePos; //============================================================================== JUCE_API bool JUCE_CALLTYPE Process::isForegroundProcess() { return LinuxComponentPeer::isActiveApplication; } // N/A on Linux as far as I know. JUCE_API void JUCE_CALLTYPE Process::makeForegroundProcess() {} JUCE_API void JUCE_CALLTYPE Process::hide() {} //============================================================================== void ModifierKeys::updateCurrentModifiers() noexcept { currentModifiers = LinuxComponentPeer::currentModifiers; } ModifierKeys ModifierKeys::getCurrentModifiersRealtime() noexcept { if (display != nullptr) { Window root, child; int x, y, winx, winy; unsigned int mask; int mouseMods = 0; ScopedXLock xlock; if (XQueryPointer (display, RootWindow (display, DefaultScreen (display)), &root, &child, &x, &y, &winx, &winy, &mask) != False) { if ((mask & Button1Mask) != 0) mouseMods |= ModifierKeys::leftButtonModifier; if ((mask & Button2Mask) != 0) mouseMods |= ModifierKeys::middleButtonModifier; if ((mask & Button3Mask) != 0) mouseMods |= ModifierKeys::rightButtonModifier; } LinuxComponentPeer::currentModifiers = LinuxComponentPeer::currentModifiers.withoutMouseButtons().withFlags (mouseMods); } return LinuxComponentPeer::currentModifiers; } //============================================================================== void Desktop::setKioskComponent (Component* comp, bool enableOrDisable, bool /* allowMenusAndBars */) { if (enableOrDisable) comp->setBounds (getDisplays().getMainDisplay().totalArea); } //============================================================================== ComponentPeer* Component::createNewPeer (int styleFlags, void* nativeWindowToAttachTo) { return new LinuxComponentPeer (*this, styleFlags, (Window) nativeWindowToAttachTo); } //============================================================================== void Desktop::Displays::findDisplays (float masterScale) { DisplayGeometry& geometry = DisplayGeometry::getOrCreateInstance (display, masterScale); for (int i = 0; i < geometry.infos.size(); ++i) { const DisplayGeometry::ExtendedInfo& info = geometry.infos.getReference (i); Desktop::Displays::Display d; d.isMain = info.isMain; d.scale = masterScale * info.scale; d.dpi = info.dpi; d.totalArea = DisplayGeometry::physicalToScaled (info.totalBounds); d.userArea = (info.usableBounds / d.scale) + info.topLeftScaled; displays.add (d); } } //============================================================================== bool MouseInputSource::SourceList::addSource() { if (sources.size() == 0) { addSource (0, true); return true; } return false; } bool Desktop::canUseSemiTransparentWindows() noexcept { #if JUCE_USE_XRENDER if (XRender::hasCompositingWindowManager()) { int matchedDepth = 0, desiredDepth = 32; return Visuals::findVisualFormat (desiredDepth, matchedDepth) != 0 && matchedDepth == desiredDepth; } #endif return false; } Point MouseInputSource::getCurrentRawMousePosition() { if (display == nullptr) return Point(); Window root, child; int x, y, winx, winy; unsigned int mask; ScopedXLock xlock; if (XQueryPointer (display, RootWindow (display, DefaultScreen (display)), &root, &child, &x, &y, &winx, &winy, &mask) == False) { // Pointer not on the default screen x = y = -1; } return DisplayGeometry::physicalToScaled (Point ((float) x, (float) y)); } void MouseInputSource::setRawMousePosition (Point newPosition) { if (display != nullptr) { ScopedXLock xlock; Window root = RootWindow (display, DefaultScreen (display)); newPosition = DisplayGeometry::scaledToPhysical (newPosition); XWarpPointer (display, None, root, 0, 0, 0, 0, roundToInt (newPosition.getX()), roundToInt (newPosition.getY())); } } double Desktop::getDefaultMasterScale() { return 1.0; } Desktop::DisplayOrientation Desktop::getCurrentOrientation() const { return upright; } //============================================================================== static bool screenSaverAllowed = true; void Desktop::setScreenSaverEnabled (const bool isEnabled) { if (screenSaverAllowed != isEnabled) { screenSaverAllowed = isEnabled; if (display != nullptr) { typedef void (*tXScreenSaverSuspend) (Display*, Bool); static tXScreenSaverSuspend xScreenSaverSuspend = nullptr; if (xScreenSaverSuspend == nullptr) if (void* h = dlopen ("libXss.so", RTLD_GLOBAL | RTLD_NOW)) xScreenSaverSuspend = (tXScreenSaverSuspend) dlsym (h, "XScreenSaverSuspend"); ScopedXLock xlock; if (xScreenSaverSuspend != nullptr) xScreenSaverSuspend (display, ! isEnabled); } } } bool Desktop::isScreenSaverEnabled() { return screenSaverAllowed; } //============================================================================== void* CustomMouseCursorInfo::create() const { if (display == nullptr) return nullptr; ScopedXLock xlock; const unsigned int imageW = (unsigned int) image.getWidth(); const unsigned int imageH = (unsigned int) image.getHeight(); int hotspotX = hotspot.x; int hotspotY = hotspot.y; #if JUCE_USE_XCURSOR { typedef XcursorBool (*tXcursorSupportsARGB) (Display*); typedef XcursorImage* (*tXcursorImageCreate) (int, int); typedef void (*tXcursorImageDestroy) (XcursorImage*); typedef Cursor (*tXcursorImageLoadCursor) (Display*, const XcursorImage*); static tXcursorSupportsARGB xcursorSupportsARGB = nullptr; static tXcursorImageCreate xcursorImageCreate = nullptr; static tXcursorImageDestroy xcursorImageDestroy = nullptr; static tXcursorImageLoadCursor xcursorImageLoadCursor = nullptr; static bool hasBeenLoaded = false; if (! hasBeenLoaded) { hasBeenLoaded = true; if (void* h = dlopen ("libXcursor.so", RTLD_GLOBAL | RTLD_NOW)) { xcursorSupportsARGB = (tXcursorSupportsARGB) dlsym (h, "XcursorSupportsARGB"); xcursorImageCreate = (tXcursorImageCreate) dlsym (h, "XcursorImageCreate"); xcursorImageLoadCursor = (tXcursorImageLoadCursor) dlsym (h, "XcursorImageLoadCursor"); xcursorImageDestroy = (tXcursorImageDestroy) dlsym (h, "XcursorImageDestroy"); if (xcursorSupportsARGB == nullptr || xcursorImageCreate == nullptr || xcursorImageLoadCursor == nullptr || xcursorImageDestroy == nullptr || ! xcursorSupportsARGB (display)) xcursorSupportsARGB = nullptr; } } if (xcursorSupportsARGB != nullptr) { if (XcursorImage* xcImage = xcursorImageCreate ((int) imageW, (int) imageH)) { xcImage->xhot = (XcursorDim) hotspotX; xcImage->yhot = (XcursorDim) hotspotY; XcursorPixel* dest = xcImage->pixels; for (int y = 0; y < (int) imageH; ++y) for (int x = 0; x < (int) imageW; ++x) *dest++ = image.getPixelAt (x, y).getARGB(); void* result = (void*) xcursorImageLoadCursor (display, xcImage); xcursorImageDestroy (xcImage); if (result != nullptr) return result; } } } #endif Window root = RootWindow (display, DefaultScreen (display)); unsigned int cursorW, cursorH; if (! XQueryBestCursor (display, root, imageW, imageH, &cursorW, &cursorH)) return nullptr; Image im (Image::ARGB, (int) cursorW, (int) cursorH, true); { Graphics g (im); if (imageW > cursorW || imageH > cursorH) { hotspotX = (hotspotX * (int) cursorW) / (int) imageW; hotspotY = (hotspotY * (int) cursorH) / (int) imageH; g.drawImageWithin (image, 0, 0, (int) imageW, (int) imageH, RectanglePlacement::xLeft | RectanglePlacement::yTop | RectanglePlacement::onlyReduceInSize, false); } else { g.drawImageAt (image, 0, 0); } } const unsigned int stride = (cursorW + 7) >> 3; HeapBlock maskPlane, sourcePlane; maskPlane.calloc (stride * cursorH); sourcePlane.calloc (stride * cursorH); const bool msbfirst = (BitmapBitOrder (display) == MSBFirst); for (int y = (int) cursorH; --y >= 0;) { for (int x = (int) cursorW; --x >= 0;) { const char mask = (char) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7))); const unsigned int offset = (unsigned int) y * stride + ((unsigned int) x >> 3); const Colour c (im.getPixelAt (x, y)); if (c.getAlpha() >= 128) maskPlane[offset] |= mask; if (c.getBrightness() >= 0.5f) sourcePlane[offset] |= mask; } } Pixmap sourcePixmap = XCreatePixmapFromBitmapData (display, root, sourcePlane.getData(), cursorW, cursorH, 0xffff, 0, 1); Pixmap maskPixmap = XCreatePixmapFromBitmapData (display, root, maskPlane.getData(), cursorW, cursorH, 0xffff, 0, 1); XColor white, black; black.red = black.green = black.blue = 0; white.red = white.green = white.blue = 0xffff; void* result = (void*) XCreatePixmapCursor (display, sourcePixmap, maskPixmap, &white, &black, (unsigned int) hotspotX, (unsigned int) hotspotY); XFreePixmap (display, sourcePixmap); XFreePixmap (display, maskPixmap); return result; } void MouseCursor::deleteMouseCursor (void* const cursorHandle, const bool) { if (cursorHandle != nullptr && display != nullptr) { ScopedXLock xlock; XFreeCursor (display, (Cursor) cursorHandle); } } void* MouseCursor::createStandardMouseCursor (MouseCursor::StandardCursorType type) { if (display == nullptr) return None; unsigned int shape; switch (type) { case NormalCursor: case ParentCursor: return None; // Use parent cursor case NoCursor: return CustomMouseCursorInfo (Image (Image::ARGB, 16, 16, true), 0, 0).create(); case WaitCursor: shape = XC_watch; break; case IBeamCursor: shape = XC_xterm; break; case PointingHandCursor: shape = XC_hand2; break; case LeftRightResizeCursor: shape = XC_sb_h_double_arrow; break; case UpDownResizeCursor: shape = XC_sb_v_double_arrow; break; case UpDownLeftRightResizeCursor: shape = XC_fleur; break; case TopEdgeResizeCursor: shape = XC_top_side; break; case BottomEdgeResizeCursor: shape = XC_bottom_side; break; case LeftEdgeResizeCursor: shape = XC_left_side; break; case RightEdgeResizeCursor: shape = XC_right_side; break; case TopLeftCornerResizeCursor: shape = XC_top_left_corner; break; case TopRightCornerResizeCursor: shape = XC_top_right_corner; break; case BottomLeftCornerResizeCursor: shape = XC_bottom_left_corner; break; case BottomRightCornerResizeCursor: shape = XC_bottom_right_corner; break; case CrosshairCursor: shape = XC_crosshair; break; case DraggingHandCursor: return createDraggingHandCursor(); case CopyingCursor: { static unsigned char copyCursorData[] = { 71,73,70,56,57,97,21,0,21,0,145,0,0,0,0,0,255,255,255,0, 128,128,255,255,255,33,249,4,1,0,0,3,0,44,0,0,0,0,21,0, 21,0,0,2,72,4,134,169,171,16,199,98,11,79,90,71,161,93,56,111, 78,133,218,215,137,31,82,154,100,200,86,91,202,142,12,108,212,87,235,174, 15,54,214,126,237,226,37,96,59,141,16,37,18,201,142,157,230,204,51,112, 252,114,147,74,83,5,50,68,147,208,217,16,71,149,252,124,5,0,59,0,0 }; const int copyCursorSize = 119; return CustomMouseCursorInfo (ImageFileFormat::loadFrom (copyCursorData, copyCursorSize), 1, 3).create(); } default: jassertfalse; return None; } ScopedXLock xlock; return (void*) XCreateFontCursor (display, shape); } void MouseCursor::showInWindow (ComponentPeer* peer) const { if (LinuxComponentPeer* const lp = dynamic_cast (peer)) lp->showMouseCursor ((Cursor) getHandle()); } void MouseCursor::showInAllWindows() const { for (int i = ComponentPeer::getNumPeers(); --i >= 0;) showInWindow (ComponentPeer::getPeer (i)); } //============================================================================== Image juce_createIconForFile (const File& /* file */) { return Image::null; } //============================================================================== bool DragAndDropContainer::performExternalDragDropOfFiles (const StringArray& files, const bool canMoveFiles) { if (files.size() == 0) return false; if (MouseInputSource* draggingSource = Desktop::getInstance().getDraggingMouseSource(0)) if (Component* sourceComp = draggingSource->getComponentUnderMouse()) if (LinuxComponentPeer* const lp = dynamic_cast (sourceComp->getPeer())) return lp->externalDragFileInit (files, canMoveFiles); // This method must be called in response to a component's mouseDown or mouseDrag event! jassertfalse; return false; } bool DragAndDropContainer::performExternalDragDropOfText (const String& text) { if (text.isEmpty()) return false; if (MouseInputSource* draggingSource = Desktop::getInstance().getDraggingMouseSource(0)) if (Component* sourceComp = draggingSource->getComponentUnderMouse()) if (LinuxComponentPeer* const lp = dynamic_cast (sourceComp->getPeer())) return lp->externalDragTextInit (text); // This method must be called in response to a component's mouseDown or mouseDrag event! jassertfalse; return false; } //============================================================================== void LookAndFeel::playAlertSound() { std::cout << "\a" << std::flush; } //============================================================================== Rectangle juce_LinuxScaledToPhysicalBounds(ComponentPeer* peer, const Rectangle& bounds) { Rectangle retval = bounds; if (LinuxComponentPeer* linuxPeer = dynamic_cast (peer)) retval *= linuxPeer->getCurrentScale(); return retval; } //============================================================================== #if JUCE_MODAL_LOOPS_PERMITTED void JUCE_CALLTYPE NativeMessageBox::showMessageBox (AlertWindow::AlertIconType iconType, const String& title, const String& message, Component* /* associatedComponent */) { AlertWindow::showMessageBox (iconType, title, message); } #endif void JUCE_CALLTYPE NativeMessageBox::showMessageBoxAsync (AlertWindow::AlertIconType iconType, const String& title, const String& message, Component* associatedComponent, ModalComponentManager::Callback* callback) { AlertWindow::showMessageBoxAsync (iconType, title, message, String::empty, associatedComponent, callback); } bool JUCE_CALLTYPE NativeMessageBox::showOkCancelBox (AlertWindow::AlertIconType iconType, const String& title, const String& message, Component* associatedComponent, ModalComponentManager::Callback* callback) { return AlertWindow::showOkCancelBox (iconType, title, message, String::empty, String::empty, associatedComponent, callback); } int JUCE_CALLTYPE NativeMessageBox::showYesNoCancelBox (AlertWindow::AlertIconType iconType, const String& title, const String& message, Component* associatedComponent, ModalComponentManager::Callback* callback) { return AlertWindow::showYesNoCancelBox (iconType, title, message, String::empty, String::empty, String::empty, associatedComponent, callback); } //============================================================================== const int KeyPress::spaceKey = XK_space & 0xff; const int KeyPress::returnKey = XK_Return & 0xff; const int KeyPress::escapeKey = XK_Escape & 0xff; const int KeyPress::backspaceKey = XK_BackSpace & 0xff; const int KeyPress::leftKey = (XK_Left & 0xff) | Keys::extendedKeyModifier; const int KeyPress::rightKey = (XK_Right & 0xff) | Keys::extendedKeyModifier; const int KeyPress::upKey = (XK_Up & 0xff) | Keys::extendedKeyModifier; const int KeyPress::downKey = (XK_Down & 0xff) | Keys::extendedKeyModifier; const int KeyPress::pageUpKey = (XK_Page_Up & 0xff) | Keys::extendedKeyModifier; const int KeyPress::pageDownKey = (XK_Page_Down & 0xff) | Keys::extendedKeyModifier; const int KeyPress::endKey = (XK_End & 0xff) | Keys::extendedKeyModifier; const int KeyPress::homeKey = (XK_Home & 0xff) | Keys::extendedKeyModifier; const int KeyPress::insertKey = (XK_Insert & 0xff) | Keys::extendedKeyModifier; const int KeyPress::deleteKey = (XK_Delete & 0xff) | Keys::extendedKeyModifier; const int KeyPress::tabKey = XK_Tab & 0xff; const int KeyPress::F1Key = (XK_F1 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F2Key = (XK_F2 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F3Key = (XK_F3 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F4Key = (XK_F4 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F5Key = (XK_F5 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F6Key = (XK_F6 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F7Key = (XK_F7 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F8Key = (XK_F8 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F9Key = (XK_F9 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F10Key = (XK_F10 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F11Key = (XK_F11 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F12Key = (XK_F12 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F13Key = (XK_F13 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F14Key = (XK_F14 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F15Key = (XK_F15 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::F16Key = (XK_F16 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad0 = (XK_KP_0 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad1 = (XK_KP_1 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad2 = (XK_KP_2 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad3 = (XK_KP_3 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad4 = (XK_KP_4 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad5 = (XK_KP_5 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad6 = (XK_KP_6 & 0xff) | Keys::extendedKeyModifier; const int KeyPress::numberPad7 = (XK_KP_7 & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPad8 = (XK_KP_8 & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPad9 = (XK_KP_9 & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadAdd = (XK_KP_Add & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadSubtract = (XK_KP_Subtract & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadMultiply = (XK_KP_Multiply & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadDivide = (XK_KP_Divide & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadSeparator = (XK_KP_Separator & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadDecimalPoint = (XK_KP_Decimal & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadEquals = (XK_KP_Equal & 0xff)| Keys::extendedKeyModifier; const int KeyPress::numberPadDelete = (XK_KP_Delete & 0xff)| Keys::extendedKeyModifier; const int KeyPress::playKey = ((int) 0xffeeff00) | Keys::extendedKeyModifier; const int KeyPress::stopKey = ((int) 0xffeeff01) | Keys::extendedKeyModifier; const int KeyPress::fastForwardKey = ((int) 0xffeeff02) | Keys::extendedKeyModifier; const int KeyPress::rewindKey = ((int) 0xffeeff03) | Keys::extendedKeyModifier;