From eb5928444ad35c3b9005498228e5a8a8a6bd3b60 Mon Sep 17 00:00:00 2001 From: Anders Bakken Date: Tue, 18 Aug 2009 07:58:14 -0700 Subject: Render cursor with a window in dfb if desired Some DFB implementations do not support rendering the cursor using the intended interfaces. In these cases one can define QT_DIRECTFB_WINDOW_AS_CURSOR and use a window to render the cursor. Reviewed-by: Donald Carr --- src/plugins/gfxdrivers/directfb/directfb.pro | 1 + .../gfxdrivers/directfb/qdirectfbscreen.cpp | 166 ++++++++++++++++++++- src/plugins/gfxdrivers/directfb/qdirectfbscreen.h | 8 + 3 files changed, 171 insertions(+), 4 deletions(-) diff --git a/src/plugins/gfxdrivers/directfb/directfb.pro b/src/plugins/gfxdrivers/directfb/directfb.pro index 055e7cd..5876df1 100644 --- a/src/plugins/gfxdrivers/directfb/directfb.pro +++ b/src/plugins/gfxdrivers/directfb/directfb.pro @@ -6,6 +6,7 @@ QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/gfxdrivers # These defines might be necessary if your DirectFB driver doesn't # support all of the DirectFB API. # +#DEFINES += QT_DIRECTFB_WINDOW_AS_CURSOR #DEFINES += QT_DIRECTFB_IMAGEPROVIDER #DEFINES += QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE #DEFINES += QT_DIRECTFB_IMAGECACHE diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp index 3911178..dbe8926 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp +++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp @@ -494,7 +494,15 @@ void QDirectFBScreen::setSurfaceColorTable(IDirectFBSurface *surface, #endif // QT_NO_DIRECTFB_PALETTE -#if !defined(QT_NO_DIRECTFB_LAYER) && !defined(QT_NO_QWS_CURSOR) +#ifndef QT_NO_QWS_CURSOR +#if defined QT_DIRECTFB_WM && defined QT_DIRECTFB_WINDOW_AS_CURSOR +#define QT_DIRECTFB_CURSOR +#elif defined QT_DIRECTFB_LAYER +#define QT_DIRECTFB_CURSOR +#endif +#endif + +#if defined QT_DIRECTFB_CURSOR class Q_GUI_EXPORT QDirectFBScreenCursor : public QScreenCursor { public: @@ -504,6 +512,11 @@ public: virtual void show(); virtual void hide(); private: +#ifdef QT_DIRECTFB_WINDOW_AS_CURSOR + ~QDirectFBScreenCursor(); + bool createWindow(); + IDirectFBWindow *window; +#endif IDirectFBDisplayLayer *layer; }; @@ -519,12 +532,95 @@ QDirectFBScreenCursor::QDirectFBScreenCursor() enable = false; hwaccel = true; supportsAlpha = true; +#ifdef QT_DIRECTFB_WINDOW_AS_CURSOR + window = 0; + DFBResult result = layer->SetCooperativeLevel(layer, DLSCL_ADMINISTRATIVE); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::hide: " + "Unable to set cooperative level", result); + } + result = layer->SetCursorOpacity(layer, 0); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::hide: " + "Unable to set cursor opacity", result); + } + + result = layer->SetCooperativeLevel(layer, DLSCL_SHARED); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::hide: " + "Unable to set cooperative level", result); + } +#endif +} + +#ifdef QT_DIRECTFB_WINDOW_AS_CURSOR +QDirectFBScreenCursor::~QDirectFBScreenCursor() +{ + if (window) { + window->Release(window); + window = 0; + } +} + +bool QDirectFBScreenCursor::createWindow() +{ + Q_ASSERT(!window); + Q_ASSERT(!cursor.isNull()); + DFBWindowDescription description; + memset(&description, 0, sizeof(DFBWindowDescription)); + description.flags = DWDESC_POSX|DWDESC_POSY|DWDESC_WIDTH|DWDESC_HEIGHT|DWDESC_CAPS|DWDESC_OPTIONS|DWDESC_PIXELFORMAT|DWDESC_SURFACE_CAPS; + description.width = cursor.width(); + description.height = cursor.height(); + description.posx = pos.x() - hotspot.x(); + description.posy = pos.y() - hotspot.y(); + description.options = DWOP_GHOST|DWOP_ALPHACHANNEL; + description.caps = DWCAPS_NODECORATION|DWCAPS_DOUBLEBUFFER; + const QImage::Format format = QDirectFBScreen::instance()->alphaPixmapFormat(); + description.pixelformat = QDirectFBScreen::getSurfacePixelFormat(format); + if (QDirectFBScreen::isPremultiplied(format)) + description.surface_caps = DSCAPS_PREMULTIPLIED; + + DFBResult result = layer->CreateWindow(layer, &description, &window); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::createWindow: Unable to create window", result); + return false; + } + result = window->SetOpacity(window, 255); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::createWindow: Unable to set opacity ", result); + return false; + } + + result = window->SetStackingClass(window, DWSC_UPPER); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::createWindow: Unable to set stacking class ", result); + return false; + } + + result = window->RaiseToTop(window); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::createWindow: Unable to raise window ", result); + return false; + } + + return true; } +#endif void QDirectFBScreenCursor::move(int x, int y) { pos = QPoint(x, y); +#ifdef QT_DIRECTFB_WINDOW_AS_CURSOR + if (window) { + const QPoint p = pos - hotspot; + DFBResult result = window->MoveTo(window, p.x(), p.y()); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::move: Unable to move window", result); + } + } +#else layer->WarpCursor(layer, x, y); +#endif } void QDirectFBScreenCursor::hide() @@ -532,6 +628,7 @@ void QDirectFBScreenCursor::hide() if (enable) { enable = false; DFBResult result; +#ifndef QT_DIRECTFB_WINDOW_AS_CURSOR result = layer->SetCooperativeLevel(layer, DLSCL_ADMINISTRATIVE); if (result != DFB_OK) { DirectFBError("QDirectFBScreenCursor::hide: " @@ -547,6 +644,15 @@ void QDirectFBScreenCursor::hide() DirectFBError("QDirectFBScreenCursor::hide: " "Unable to set cooperative level", result); } +#else + if (window) { + result = window->SetOpacity(window, 0); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::hide: " + "Unable to set window opacity", result); + } + } +#endif } } @@ -560,7 +666,13 @@ void QDirectFBScreenCursor::show() DirectFBError("QDirectFBScreenCursor::show: " "Unable to set cooperative level", result); } - result = layer->SetCursorOpacity(layer, 255); + result = layer->SetCursorOpacity(layer, +#ifdef QT_DIRECTFB_WINDOW_AS_CURSOR + 0 +#else + 255 +#endif + ); if (result != DFB_OK) { DirectFBError("QDirectFBScreenCursor::show: " "Unable to set cursor shape", result); @@ -570,6 +682,15 @@ void QDirectFBScreenCursor::show() DirectFBError("QDirectFBScreenCursor::show: " "Unable to set cooperative level", result); } +#ifdef QT_DIRECTFB_WINDOW_AS_CURSOR + if (window) { + DFBResult result = window->SetOpacity(window, 255); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::show: " + "Unable to set window opacity", result); + } + } +#endif } } @@ -593,6 +714,7 @@ void QDirectFBScreenCursor::set(const QImage &image, int hotx, int hoty) DirectFBError("QDirectFBScreenCursor::set: Unable to create surface", result); return; } +#ifndef QT_DIRECTFB_WINDOW_AS_CURSOR result = layer->SetCooperativeLevel(layer, DLSCL_ADMINISTRATIVE); if (result != DFB_OK) { DirectFBError("QDirectFBScreenCursor::show: " @@ -603,17 +725,53 @@ void QDirectFBScreenCursor::set(const QImage &image, int hotx, int hoty) DirectFBError("QDirectFBScreenCursor::show: " "Unable to set cursor shape", result); } - surface->Release(surface); result = layer->SetCooperativeLevel(layer, DLSCL_SHARED); if (result != DFB_OK) { DirectFBError("QDirectFBScreenCursor::show: " "Unable to set cooperative level", result); } +#else + if (window || createWindow()) { + QSize windowSize; + result = window->GetSize(window, &windowSize.rwidth(), &windowSize.rheight()); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::set: " + "Unable to get window size", result); + } + result = window->Resize(window, size.width(), size.height()); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::set: Unable to resize window", result); + } + + IDirectFBSurface *windowSurface; + result = window->GetSurface(window, &windowSurface); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::set: Unable to get window surface", result); + } else { + result = windowSurface->Clear(windowSurface, 0, 0, 0, 0); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::set: Unable to clear surface", result); + } + + result = windowSurface->Blit(windowSurface, surface, 0, 0, 0); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::set: Unable to blit to surface", result); + } + } + result = windowSurface->Flip(windowSurface, 0, DSFLIP_NONE); + if (result != DFB_OK) { + DirectFBError("QDirectFBScreenCursor::set: Unable to flip window", result); + } + + windowSurface->Release(windowSurface); + } +#endif + surface->Release(surface); show(); } } -#endif // QT_NO_DIRECTFB_LAYER +#endif // QT_DIRECTFB_CURSOR QDirectFBScreen::QDirectFBScreen(int display_id) : QScreen(display_id, DirectFBClass), d_ptr(new QDirectFBScreenPrivate(this)) diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h index 19f032e..7768380 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h +++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h @@ -65,6 +65,9 @@ QT_MODULE(Gui) #if !defined QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE && !defined QT_NO_DIRECTFB_IMAGEPROVIDER_KEEPALIVE #define QT_NO_DIRECTFB_IMAGEPROVIDER_KEEPALIVE #endif +#if !defined QT_DIRECTFB_WINDOW_AS_CURSOR && !defined QT_NO_DIRECTFB_WINDOW_AS_CURSOR +#define QT_NO_DIRECTFB_WINDOW_AS_CURSOR +#endif #if !defined QT_NO_DIRECTFB_PALETTE && !defined QT_DIRECTFB_PALETTE #define QT_DIRECTFB_PALETTE #endif @@ -86,6 +89,9 @@ QT_MODULE(Gui) #if defined QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE && defined QT_NO_DIRECTFB_IMAGEPROVIDER #error QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE requires QT_DIRECTFB_IMAGEPROVIDER to be defined #endif +#if defined QT_DIRECTFB_WINDOW_AS_CURSOR && defined QT_NO_DIRECTFB_WM +#error QT_DIRECTFB_WINDOW_AS_CURSOR requires QT_DIRECTFB_WM to be defined +#endif #define Q_DIRECTFB_VERSION ((DIRECTFB_MAJOR_VERSION << 16) | (DIRECTFB_MINOR_VERION << 8) | DIRECTFB_MICRO_VERSION) @@ -98,6 +104,8 @@ QT_MODULE(Gui) DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBInputDeviceCapabilities); DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBWindowDescriptionFlags); +DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBWindowCapabilities); +DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBWindowOptions); DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceDescriptionFlags); DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceCapabilities); DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceLockFlags); -- cgit v0.12