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dexed/JuceLibraryCode/modules/juce_gui_basics/native/juce_linux_Windowing.cpp

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initial commit
11 years ago
/*
==============================================================================
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()
{
Update JUCE 3.0.8
10 years ago
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");
initial commit
11 years ago
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
};
Update JUCE 3.0.8
10 years ago
Atom protocols, protocolList[3], changeState, state, userTime,
activeWin, pid, windowType, windowState, compositingManager,
initial commit
11 years ago
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)
{
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);
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;
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,
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)
{
ScopedXLock xlock;
hasLoaded = true;
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;
}
Update JUCE 3.0.8
10 years ago
static bool hasCompositingWindowManager()
{
return XGetSelectionOwner (display, Atoms::get().compositingManager) != 0;
}
initial commit
11 years ago
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 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, w, h);
if (xImage != nullptr)
{
if ((segmentInfo.shmid = shmget (IPC_PRIVATE,
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 (! usingXShm)
#endif
{
imageDataAllocated.allocate (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 pixelStride = 2;
const int lineStride = ((w * pixelStride + 3) & ~3);
imageData16Bit.malloc (lineStride * h);
xImage->data = imageData16Bit;
xImage->bitmap_pad = 16;
xImage->depth = pixelStride * 8;
xImage->bytes_per_line = lineStride;
xImage->bits_per_pixel = pixelStride * 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 (usingXShm)
{
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
{
Mod Wheel action + envelope display bugfix
11 years ago
sendDataChangeMessage();
initial commit
11 years ago
return new LowLevelGraphicsSoftwareRenderer (Image (this));
}
Mod Wheel action + envelope display bugfix
11 years ago
void initialiseBitmapData (Image::BitmapData& bitmap, int x, int y, Image::BitmapData::ReadWriteMode mode) override
initial commit
11 years ago
{
bitmap.data = imageData + x * pixelStride + y * lineStride;
bitmap.pixelFormat = pixelFormat;
bitmap.lineStride = lineStride;
bitmap.pixelStride = pixelStride;
Mod Wheel action + envelope display bugfix
11 years ago
if (mode != Image::BitmapData::readOnly)
sendDataChangeMessage();
initial commit
11 years ago
}
ImagePixelData* clone() override
{
jassertfalse;
return nullptr;
}
ImageType* createType() const override { return new NativeImageType(); }
void blitToWindow (Window window, int dx, int dy, int dw, 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 = xImage->red_mask;
const uint32 gMask = xImage->green_mask;
const uint32 bMask = xImage->blue_mask;
const uint32 rShiftL = jmax (0, getShiftNeeded (rMask));
const uint32 rShiftR = jmax (0, -getShiftNeeded (rMask));
const uint32 gShiftL = jmax (0, getShiftNeeded (gMask));
const uint32 gShiftR = jmax (0, -getShiftNeeded (gMask));
const uint32 bShiftL = jmax (0, getShiftNeeded (bMask));
const uint32 bShiftR = jmax (0, -getShiftNeeded (bMask));
const Image::BitmapData srcData (Image (this), Image::BitmapData::readOnly);
for (int y = sy; y < sy + dh; ++y)
{
const uint8* p = srcData.getPixelPointer (sx, y);
for (int x = sx; x < sx + 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 (usingXShm)
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);
}
private:
//==============================================================================
XImage* xImage;
const int imageDepth;
HeapBlock <uint8> imageDataAllocated;
HeapBlock <char> 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)
};
//==============================================================================
namespace PixmapHelpers
{
Pixmap createColourPixmapFromImage (Display* display, const Image& image)
{
ScopedXLock xlock;
const int width = image.getWidth();
const int height = image.getHeight();
HeapBlock <uint32> colour (width * height);
int index = 0;
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x)
colour[index++] = image.getPixelAt (x, y).getARGB();
XImage* ximage = XCreateImage (display, CopyFromParent, 24, ZPixmap,
0, reinterpret_cast<char*> (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 int width = image.getWidth();
const int height = image.getHeight();
const int stride = (width + 7) >> 3;
HeapBlock <char> mask;
mask.calloc (stride * height);
const bool msbfirst = (BitmapBitOrder (display) == MSBFirst);
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
const char bit = (char) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7)));
const int offset = y * stride + (x >> 3);
if (image.getPixelAt (x, 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())
{
// 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;
ScopedXLock xlock;
if (! XFindContext (display, (XID) windowHandle, windowHandleXContext, &peer))
if (peer != nullptr && ! ComponentPeer::isValidPeer (reinterpret_cast <LinuxComponentPeer*> (peer)))
peer = nullptr;
return reinterpret_cast <LinuxComponentPeer*> (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 <char*> (title.toRawUTF8()) };
ScopedXLock xlock;
if (XStringListToTextProperty (strings, 1, &nameProperty))
{
XSetWMName (display, windowH, &nameProperty);
XSetWMIconName (display, windowH, &nameProperty);
XFree (nameProperty.value);
}
}
void setBounds (const Rectangle<int>& 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;
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clientMsg.message_type = Atoms::get().windowState;
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clientMsg.data.l[0] = 0; // Remove
clientMsg.data.l[1] = 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()));
WeakReference<Component> deletionChecker (&component);
ScopedXLock xlock;
XSizeHints* const hints = XAllocSizeHints();
hints->flags = USSize | USPosition;
hints->x = bounds.getX();
hints->y = bounds.getY();
hints->width = bounds.getWidth();
hints->height = bounds.getHeight();
if ((getStyleFlags() & (windowHasTitleBar | windowIsResizable)) == windowHasTitleBar)
{
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,
bounds.getX() - windowBorder.getLeft(),
bounds.getY() - windowBorder.getTop(),
bounds.getWidth(),
bounds.getHeight());
if (deletionChecker != nullptr)
{
updateBorderSize();
handleMovedOrResized();
}
}
}
Rectangle<int> getBounds() const override { return bounds; }
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Point<float> localToGlobal (Point<float> relativePosition) override
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{
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return relativePosition + bounds.getPosition().toFloat();
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}
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Point<float> globalToLocal (Point<float> screenPosition) override
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{
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return screenPosition - bounds.getPosition().toFloat();
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}
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;
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clientMsg.message_type = Atoms::get().changeState;
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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();
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GetXProperty prop (windowH, atoms.state, 0, 64, false, atoms.state);
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return prop.success
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&& prop.actualType == atoms.state
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&& prop.actualFormat == 32
&& prop.numItems > 0
&& ((unsigned long*) prop.data)[0] == IconicState;
}
void setFullScreen (const bool shouldBeFullScreen) override
{
Rectangle<int> 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())
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setBounds (ScalingHelpers::scaledScreenPosToUnscaled (component, r), shouldBeFullScreen);
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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 = windowListSize; --i >= 0;)
{
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if (LinuxComponentPeer* const peer = LinuxComponentPeer::getPeerFor (windowList[i]))
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{
result = (peer == this);
break;
}
}
}
if (windowList != nullptr)
XFree (windowList);
return result;
}
bool contains (Point<int> 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;
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if (ComponentPeer* peer = c->getPeer())
if (peer->contains (localPos + bounds.getPosition() - peer->getBounds().getPosition(), true))
return false;
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}
if (trueIfInAChildWindow)
return true;
::Window root, child;
int wx, wy;
unsigned int ww, wh, bw, depth;
ScopedXLock xlock;
return XGetGeometry (display, (::Drawable) windowH, &root, &wx, &wy, &ww, &wh, &bw, &depth)
&& XTranslateCoordinates (display, windowH, windowH, localPos.getX(), localPos.getY(), &wx, &wy, &child)
&& child == None;
}
BorderSize<int> getFrameSize() const override
{
return BorderSize<int>();
}
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;
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ev.xclient.message_type = Atoms::get().activeWin;
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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
{
Update JUCE 3.0.8
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if (LinuxComponentPeer* const otherPeer = dynamic_cast<LinuxComponentPeer*> (other))
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{
setMinimised (false);
Window newStack[] = { otherPeer->windowH, windowH };
ScopedXLock xlock;
XRestackWindows (display, newStack, 2);
}
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else
jassertfalse; // wrong type of window?
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}
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, getUserTime());
isActiveApplication = true;
}
}
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void textInputRequired (Point<int>, TextInputTarget&) override {}
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void repaint (const Rectangle<int>& area) override
{
Update JUCE 3.0.8
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repainter->repaint (area.getIntersection (bounds.withZeroOrigin()));
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}
void performAnyPendingRepaintsNow() override
{
repainter->performAnyPendingRepaintsNow();
}
void setIcon (const Image& newIcon) override
{
const int dataSize = newIcon.getWidth() * newIcon.getHeight() + 2;
HeapBlock <unsigned long> data (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
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if (XSHMHelpers::isShmAvailable())
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{
ScopedXLock xlock;
if (event.xany.type == XShmGetEventBase (display))
repainter->notifyPaintCompleted();
}
#endif
break;
}
}
void handleKeyPressEvent (XKeyEvent& keyEvent)
{
char utf8 [64] = { 0 };
juce_wchar unicodeChar = 0;
int keyCode = 0;
bool keyDownChange = false;
KeySym sym;
{
ScopedXLock xlock;
updateKeyStates (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 = XkbKeycodeToKeysym (display, keyEvent.keycode, 0, currentModifiers.isShiftDown() ? 1 : 0);
keyDownChange = (sym != NoSymbol) && ! updateKeyModifiersFromSym (sym, true);
}
const ModifierKeys oldMods (currentModifiers);
bool keyPressed = false;
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if ((sym & 0xff00) == 0xff00 || sym == XK_ISO_Left_Tab)
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{
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;
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 (keyEvent.keycode, false);
KeySym sym;
{
ScopedXLock xlock;
sym = XkbKeycodeToKeysym (display, 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 <typename EventType>
Update JUCE 3.0.8
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static Point<float> getMousePos (const EventType& e) noexcept
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{
Update JUCE 3.0.8
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return Point<float> ((float) e.x, (float) e.y);
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}
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 (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 (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 (movedEvent.state);
lastMousePos = Point<int> (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 (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 (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);
}
repaint (Rectangle<int> (exposeEvent.x, exposeEvent.y,
exposeEvent.width, exposeEvent.height));
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<int> (nextExposeEvent.x, nextExposeEvent.y,
nextExposeEvent.width, nextExposeEvent.height));
}
}
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();
Update JUCE 3.0.8
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if (clientMsg.message_type == atoms.protocols && clientMsg.format == 32)
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{
const Atom atom = (Atom) clientMsg.data.l[0];
Update JUCE 3.0.8
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if (atom == atoms.protocolList [Atoms::PING])
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{
Window root = RootWindow (display, DefaultScreen (display));
clientMsg.window = root;
XSendEvent (display, root, False, NoEventMask, &event);
XFlush (display);
}
Update JUCE 3.0.8
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else if (atom == atoms.protocolList [Atoms::TAKE_FOCUS])
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{
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, clientMsg.data.l[1]);
}
}
}
Update JUCE 3.0.8
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else if (atom == atoms.protocolList [Atoms::DELETE_WINDOW])
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{
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);
}
//==============================================================================
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<int>& area)
{
if (! isTimerRunning())
startTimer (repaintTimerPeriod);
regionsNeedingRepaint.add (area);
}
void performAnyPendingRepaintsNow()
{
#if JUCE_USE_XSHM
if (shmPaintsPending != 0)
{
startTimer (repaintTimerPeriod);
return;
}
#endif
RectangleList<int> originalRepaintRegion (regionsNeedingRepaint);
regionsNeedingRepaint.clear();
const Rectangle<int> 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, peer.depth, peer.visual));
}
startTimer (repaintTimerPeriod);
RectangleList<int> adjustedList (originalRepaintRegion);
adjustedList.offsetAll (-totalArea.getX(), -totalArea.getY());
if (peer.depth == 32)
for (const Rectangle<int>* i = originalRepaintRegion.begin(), * const e = originalRepaintRegion.end(); i != e; ++i)
image.clear (*i - totalArea.getPosition());
{
ScopedPointer<LowLevelGraphicsContext> context (peer.getComponent().getLookAndFeel()
.createGraphicsContext (image, -totalArea.getPosition(), adjustedList));
peer.handlePaint (*context);
}
for (const Rectangle<int>* i = originalRepaintRegion.begin(), * const e = originalRepaintRegion.end(); i != e; ++i)
{
#if JUCE_USE_XSHM
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if (XSHMHelpers::isShmAvailable())
++shmPaintsPending;
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#endif
static_cast<XBitmapImage*> (image.getPixelData())
->blitToWindow (peer.windowH,
i->getX(), i->getY(), i->getWidth(), 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<int> regionsNeedingRepaint;
#if JUCE_USE_XSHM
bool useARGBImagesForRendering;
int shmPaintsPending;
#endif
JUCE_DECLARE_NON_COPYABLE (LinuxRepaintManager)
};
ScopedPointer <LinuxRepaintManager> repainter;
friend class LinuxRepaintManager;
Window windowH, parentWindow;
Rectangle<int> bounds;
Image taskbarImage;
bool fullScreen, mapped;
Visual* visual;
int depth;
BorderSize<int> windowBorder;
bool isAlwaysOnTop;
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) != 0
|| ((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");
Update JUCE 3.0.8
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xchangeProperty (windowH, Atoms::get().windowType, XA_ATOM, 32, &netHints, 2);
initial commit
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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)
Update JUCE 3.0.8
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xchangeProperty (windowH, Atoms::get().windowState, XA_ATOM, 32, &netHints, numHints);
initial commit
11 years ago
}
void createWindow (Window parentToAddTo)
{
ScopedXLock xlock;
resetDragAndDrop();
// Get defaults for various properties
const int screen = DefaultScreen (display);
Window root = RootWindow (display, screen);
// 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 = (component.isAlwaysOnTop() && (styleFlags & windowIsTemporary) != 0) ? 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 = getpid();
Update JUCE 3.0.8
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xchangeProperty (windowH, atoms.pid, XA_CARDINAL, 32, &pid, 1);
initial commit
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// Set window manager protocols
Update JUCE 3.0.8
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xchangeProperty (windowH, atoms.protocols, XA_ATOM, 32, atoms.protocolList, 2);
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// 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 <typename EventType>
static int64 getEventTime (const EventType& t)
{
return getEventTime (t.time);
}
static int64 getEventTime (::Time t)
{
static int64 eventTimeOffset = 0x12345678;
const int64 thisMessageTime = t;
if (eventTimeOffset == 0x12345678)
eventTimeOffset = Time::currentTimeMillis() - thisMessageTime;
return eventTimeOffset + thisMessageTime;
}
long getUserTime() const
{
Update JUCE 3.0.8
10 years ago
GetXProperty prop (windowH, Atoms::get().userTime, 0, 65536, false, XA_CARDINAL);
initial commit
11 years ago
return prop.success ? *(long*) prop.data : 0;
}
void updateBorderSize()
{
if ((styleFlags & windowHasTitleBar) == 0)
{
windowBorder = BorderSize<int> (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> ((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, depth;
ScopedXLock xlock;
if (XGetGeometry (display, (::Drawable) windowH, &root, &wx, &wy, &ww, &wh, &bw, &depth))
if (! XTranslateCoordinates (display, windowH, root, 0, 0, &wx, &wy, &child))
wx = wy = 0;
bounds.setBounds (wx, wy, ww, wh);
}
}
//==============================================================================
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<int> 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<int> (-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] = 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] = 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 ? mimeTypes[0] : 0;
msg.data.l[3] = numMimeTypes > 1 ? mimeTypes[1] : 0;
msg.data.l[4] = numMimeTypes > 2 ? mimeTypes[2] : 0;
sendExternalDragAndDropMessage (msg, targetWindow);
}
void sendExternalDragAndDropPosition (const Window targetWindow)
{
XClientMessageEvent msg;
zerostruct (msg);
msg.message_type = Atoms::get().XdndPosition;
const Point<int> mousePos (Desktop::getInstance().getMousePosition());
if (dragState.silentRect.contains (mousePos)) // we've been asked to keep silent
return;
msg.data.l[1] = 0;
msg.data.l[2] = (mousePos.x << 16) | mousePos.y;
msg.data.l[3] = CurrentTime;
msg.data.l[4] = 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] = 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(),
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<int>();
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 (clientMsg.data.l[2] >> 16,
clientMsg.data.l[2] & 0xffff,
clientMsg.data.l[3] >> 16,
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<int>();
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 = clientMsg.data.l[0];
Point<int> 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 <unsigned long> (clientMsg.data.l[1] & 0xff000000) >> 24;
if (dndCurrentVersion < 3 || dndCurrentVersion > Atoms::DndVersion)
{
dragAndDropSourceWindow = 0;
return;
}
dragAndDropSourceWindow = 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 (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 * 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,
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 <Atom> 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<int> lastMousePos;
static void clearLastMousePos() noexcept
{
lastMousePos = Point<int> (0x100000, 0x100000);
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LinuxComponentPeer)
};
ModifierKeys LinuxComponentPeer::currentModifiers;
bool LinuxComponentPeer::isActiveApplication = false;
Point<int> 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
{
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* kioskModeComponent, bool enableOrDisable, bool /* allowMenusAndBars */)
{
if (enableOrDisable)
kioskModeComponent->setBounds (getDisplays().getMainDisplay().totalArea);
}
//==============================================================================
ComponentPeer* Component::createNewPeer (int styleFlags, void* nativeWindowToAttachTo)
{
return new LinuxComponentPeer (*this, styleFlags, (Window) nativeWindowToAttachTo);
}
//==============================================================================
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;
}
void Desktop::Displays::findDisplays (float masterScale)
{
if (display == 0)
return;
ScopedXLock xlock;
#if JUCE_USE_XINERAMA
int major_opcode, first_event, first_error;
if (XQueryExtension (display, "XINERAMA", &major_opcode, &first_event, &first_error))
{
typedef Bool (*tXineramaIsActive) (::Display*);
typedef XineramaScreenInfo* (*tXineramaQueryScreens) (::Display*, int*);
static tXineramaIsActive xineramaIsActive = nullptr;
static tXineramaQueryScreens xineramaQueryScreens = nullptr;
if (xineramaIsActive == nullptr || xineramaQueryScreens == nullptr)
{
void* h = dlopen ("libXinerama.so", RTLD_GLOBAL | RTLD_NOW);
if (h == nullptr)
h = dlopen ("libXinerama.so.1", RTLD_GLOBAL | RTLD_NOW);
if (h != nullptr)
{
xineramaIsActive = (tXineramaIsActive) dlsym (h, "XineramaIsActive");
xineramaQueryScreens = (tXineramaQueryScreens) dlsym (h, "XineramaQueryScreens");
}
}
if (xineramaIsActive != nullptr
&& xineramaQueryScreens != nullptr
&& xineramaIsActive (display))
{
int numMonitors = 0;
if (XineramaScreenInfo* const screens = xineramaQueryScreens (display, &numMonitors))
{
for (int index = 0; index < numMonitors; ++index)
{
for (int j = numMonitors; --j >= 0;)
{
if (screens[j].screen_number == index)
{
Display d;
d.userArea = d.totalArea = Rectangle<int> (screens[j].x_org,
screens[j].y_org,
screens[j].width,
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screens[j].height) / masterScale;
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d.isMain = (index == 0);
d.scale = masterScale;
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d.dpi = getDisplayDPI (0); // (all screens share the same DPI)
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displays.add (d);
}
}
}
XFree (screens);
}
}
}
if (displays.size() == 0)
#endif
{
Atom hints = Atoms::getIfExists ("_NET_WORKAREA");
if (hints != None)
{
const int numMonitors = ScreenCount (display);
for (int i = 0; i < numMonitors; ++i)
{
GetXProperty prop (RootWindow (display, 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;
Display d;
d.userArea = d.totalArea = Rectangle<int> (position[0], position[1],
position[2], position[3]) / masterScale;
d.isMain = (displays.size() == 0);
d.scale = masterScale;
d.dpi = getDisplayDPI (i);
displays.add (d);
}
}
}
if (displays.size() == 0)
{
Display d;
d.userArea = d.totalArea = Rectangle<int> (DisplayWidth (display, DefaultScreen (display)),
DisplayHeight (display, DefaultScreen (display))) * masterScale;
d.isMain = true;
d.scale = masterScale;
d.dpi = getDisplayDPI (0);
displays.add (d);
}
}
}
//==============================================================================
bool MouseInputSource::SourceList::addSource()
{
if (sources.size() == 0)
{
addSource (0, true);
return true;
}
return false;
}
bool Desktop::canUseSemiTransparentWindows() noexcept
{
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#if JUCE_USE_XRENDER
if (XRender::hasCompositingWindowManager())
{
int matchedDepth = 0, desiredDepth = 32;
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return Visuals::findVisualFormat (desiredDepth, matchedDepth) != 0
&& matchedDepth == desiredDepth;
}
#endif
return false;
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}
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Point<float> MouseInputSource::getCurrentRawMousePosition()
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{
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;
}
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return Point<float> ((float) x, (float) y);
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}
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void MouseInputSource::setRawMousePosition (Point<float> newPosition)
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{
ScopedXLock xlock;
Window root = RootWindow (display, DefaultScreen (display));
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XWarpPointer (display, None, root, 0, 0, 0, 0, roundToInt (newPosition.getX()), roundToInt (newPosition.getY()));
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}
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;
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
{
ScopedXLock xlock;
const unsigned int imageW = image.getWidth();
const unsigned int imageH = 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 (imageW, imageH))
{
xcImage->xhot = hotspotX;
xcImage->yhot = 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, cursorW, cursorH, true);
{
Graphics g (im);
if (imageW > cursorW || imageH > cursorH)
{
hotspotX = (hotspotX * cursorW) / imageW;
hotspotY = (hotspotY * cursorH) / imageH;
g.drawImageWithin (image, 0, 0, imageW, imageH,
RectanglePlacement::xLeft | RectanglePlacement::yTop | RectanglePlacement::onlyReduceInSize,
false);
}
else
{
g.drawImageAt (image, 0, 0);
}
}
const int stride = (cursorW + 7) >> 3;
HeapBlock <char> maskPlane, sourcePlane;
maskPlane.calloc (stride * cursorH);
sourcePlane.calloc (stride * cursorH);
const bool msbfirst = (BitmapBitOrder (display) == MSBFirst);
for (int y = cursorH; --y >= 0;)
{
for (int x = cursorW; --x >= 0;)
{
const char mask = (char) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7)));
const int offset = y * stride + (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, hotspotX, hotspotY);
XFreePixmap (display, sourcePixmap);
XFreePixmap (display, maskPixmap);
return result;
}
void MouseCursor::deleteMouseCursor (void* const cursorHandle, const bool)
{
ScopedXLock xlock;
if (cursorHandle != nullptr)
XFreeCursor (display, (Cursor) cursorHandle);
}
void* MouseCursor::createStandardMouseCursor (MouseCursor::StandardCursorType type)
{
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
{
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if (LinuxComponentPeer* const lp = dynamic_cast<LinuxComponentPeer*> (peer))
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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())
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if (LinuxComponentPeer* const lp = dynamic_cast<LinuxComponentPeer*> (sourceComp->getPeer()))
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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())
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if (LinuxComponentPeer* const lp = dynamic_cast<LinuxComponentPeer*> (sourceComp->getPeer()))
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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;
}
//==============================================================================
#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 = (0xffeeff00) | Keys::extendedKeyModifier;
const int KeyPress::stopKey = (0xffeeff01) | Keys::extendedKeyModifier;
const int KeyPress::fastForwardKey = (0xffeeff02) | Keys::extendedKeyModifier;
const int KeyPress::rewindKey = (0xffeeff03) | Keys::extendedKeyModifier;