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Diffstat (limited to 'qtinterface/interface_qt3/tqpaintdevice.cpp')
| -rw-r--r-- | qtinterface/interface_qt3/tqpaintdevice.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/qtinterface/interface_qt3/tqpaintdevice.cpp b/qtinterface/interface_qt3/tqpaintdevice.cpp new file mode 100644 index 0000000..846342a --- /dev/null +++ b/qtinterface/interface_qt3/tqpaintdevice.cpp @@ -0,0 +1,123 @@ +/* + +Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net> + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public +License as published by the Free Software Foundation; either +version 2 of the License, or (at your option) any later version. + +This library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public License +along with this library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. + +*/ + +#include <tqt.h> +#include <tqpaintdevice.h> + +#ifdef USE_QT4 + +// the following is necessary to work around breakage in many versions +// of XFree86's Xlib.h still in use +// ### which versions? +#if defined(_XLIB_H_) // crude hack, but... +#error "cannot include <X11/Xlib.h> before this file" +#endif +#define XRegisterIMInstantiateCallback qt_XRegisterIMInstantiateCallback +#define XUnregisterIMInstantiateCallback qt_XUnregisterIMInstantiateCallback +#define XSetIMValues qt_XSetIMValues +#include <X11/Xlib.h> +#undef XRegisterIMInstantiateCallback +#undef XUnregisterIMInstantiateCallback +#undef XSetIMValues + +#include <X11/Xutil.h> +#include <X11/Xos.h> +#include <X11/Xatom.h> + +#include <Qt/qcolormap.h> + +/*! + Returns the window system handle of the paint device for XRender + support. Use of this function is not portable. This function will + return 0 if XRender support is not compiled into Qt, if the + XRender extension is not supported on the X11 display, or if the + handle could not be created. +*/ +Qt::HANDLE QPaintDevice::x11RenderHandle() const +{ +// #ifndef QT_NO_XFTFREETYPE +// return rendhd ? XftDrawPicture( (XftDraw *) rendhd ) : 0; +// #else + return 0; +// #endif // QT_NO_XFTFREETYPE +} + +static GC* app_gc_tmp = 0; // temporary GC +static GC* app_gc_tmp_m = 0; // temporary GC (monochrome) + +static GC create_gc( int scrn, bool monochrome ) +{ + GC gc; + Display *appDpy = QX11Info::display(); + if ( monochrome ) { + Pixmap pm = XCreatePixmap( appDpy, RootWindow( appDpy, scrn ), 8, 8, 1 ); + gc = XCreateGC( appDpy, pm, 0, 0 ); + XFreePixmap( appDpy, pm ); + } else { + if ( QPaintDevice::x11AppDefaultVisual( scrn ) ) { + gc = XCreateGC( appDpy, RootWindow( appDpy, scrn ), 0, 0 ); + } else { + Window w; + XSetWindowAttributes a; + QColormap cmap_background = QColormap::instance( scrn ); + QColormap cmap_border = QColormap::instance( scrn ); + a.background_pixel = cmap_background.pixel( Qt::black ); + a.border_pixel = cmap_border.pixel( Qt::black ); + + a.colormap = QPaintDevice::x11AppColormap( scrn ); + w = XCreateWindow( appDpy, RootWindow( appDpy, scrn ), 0, 0, 100, 100, + 0, QPaintDevice::x11AppDepth( scrn ), InputOutput, + (Visual*)QPaintDevice::x11AppVisual( scrn ), + CWBackPixel|CWBorderPixel|CWColormap, &a ); + gc = XCreateGC( appDpy, w, 0, 0 ); + XDestroyWindow( appDpy, w ); + } + } + XSetGraphicsExposures( appDpy, gc, False ); + return gc; +} + +GC qt_xget_temp_gc( int scrn, bool monochrome ) // get temporary GC +{ + int appScreenCount = QApplication::desktop()->numScreens(); + if ( scrn < 0 || scrn >= appScreenCount ) { + qDebug("invalid screen (tmp) %d %d", scrn, appScreenCount ); + QWidget* bla = 0; + bla->setName("hello"); + } + GC gc; + if ( monochrome ) { + if ( !app_gc_tmp_m ) // create GC for bitmap + memset( (app_gc_tmp_m = new GC[appScreenCount]), 0, appScreenCount * sizeof( GC ) ); + if ( !app_gc_tmp_m[scrn] ) + app_gc_tmp_m[scrn] = create_gc( scrn, TRUE ); + gc = app_gc_tmp_m[scrn]; + } else { // create standard GC + if ( !app_gc_tmp ) + memset( (app_gc_tmp = new GC[appScreenCount]), 0, appScreenCount * sizeof( GC ) ); + if ( !app_gc_tmp[scrn] ) + app_gc_tmp[scrn] = create_gc( scrn, FALSE ); + gc = app_gc_tmp[scrn]; + } + return gc; +} + +#endif // USE_QT4
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