From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/lib/Xmu/ShapeWidg.c | 251 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 251 insertions(+) create mode 100644 nx-X11/lib/Xmu/ShapeWidg.c (limited to 'nx-X11/lib/Xmu/ShapeWidg.c') diff --git a/nx-X11/lib/Xmu/ShapeWidg.c b/nx-X11/lib/Xmu/ShapeWidg.c new file mode 100644 index 000000000..732018c92 --- /dev/null +++ b/nx-X11/lib/Xmu/ShapeWidg.c @@ -0,0 +1,251 @@ +/* $Xorg: ShapeWidg.c,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */ + +/* + +Copyright 1988, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/Xmu/ShapeWidg.c,v 1.7 2001/01/17 19:42:56 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include "Converters.h" +#include "Drawing.h" +#include "Misc.h" + +/* + * Prototypes + */ +static void ShapeEllipseOrRoundedRectangle(Widget, Bool, int, int); +static void ShapeError(Widget); +static void ShapeOval(Widget); +static void ShapeRectangle(Widget); + +/* + * Implementation + */ +Boolean +XmuReshapeWidget(Widget w, int shape_style, + int corner_width, int corner_height) +{ + switch (shape_style) + { + case XmuShapeRectangle: + ShapeRectangle(w); + break; + case XmuShapeOval: + ShapeOval(w); + break; + case XmuShapeEllipse: + case XmuShapeRoundedRectangle: + ShapeEllipseOrRoundedRectangle(w, shape_style == XmuShapeEllipse, + corner_width, corner_height); + break; + default: + ShapeError(w); + return (False); + } + return (True); +} + +static void +ShapeError(Widget w) +{ + String params[1]; + Cardinal num_params = 1; + + params[0] = XtName(w); + XtAppWarningMsg(XtWidgetToApplicationContext(w), + "shapeUnknown", "xmuReshapeWidget", "XmuLibrary", + "Unsupported shape style for Command widget \"%s\"", + params, &num_params); +} + +static void +ShapeRectangle(Widget w) +{ + XShapeCombineMask(XtDisplay(w), XtWindow(w), + ShapeBounding, 0, 0, None, ShapeSet); + XShapeCombineMask(XtDisplay(w), XtWindow(w), + ShapeClip, 0, 0, None, ShapeSet); +} + +/* + * Function: + * ShapeOval + * + * Parameters: + * w - widget to be reshaped + * + * Description: + * Reshapes a widget to a oval format. + * + * Notes: + * X11R6.3 behaviour changed. Now if the height is larger than the + * width, this function inverts the sense of the oval, instead of + * fallbacking to ellipse. + */ +static void +ShapeOval(Widget w) +{ + Display *dpy = XtDisplay(w); + int width = w->core.width; + int height = w->core.height; + Pixmap p; + XGCValues values; + GC gc; + int rad; + + if (width < 3 || height < 3) + return; + width += w->core.border_width << 1; + height += w->core.border_width << 1; + + p = XCreatePixmap(dpy, XtWindow(w), width, height, 1); + values.foreground = 0; + values.background = 1; + values.cap_style = CapRound; + values.line_width = Min(width, height); + gc = XCreateGC(dpy, p, + GCForeground | GCBackground | GCLineWidth | GCCapStyle, + &values); + XFillRectangle(dpy, p, gc, 0, 0, width, height); + XSetForeground(dpy, gc, 1); + + if (width < height) + { + rad = width >> 1; + XDrawLine(dpy, p, gc, rad, rad, rad, height - rad - 1); + } + else + { + rad = height >> 1; + XDrawLine(dpy, p, gc, rad, rad, width - rad - 1, rad); + } + XShapeCombineMask(dpy, XtWindow(w), ShapeBounding, + -(int)w->core.border_width, -(int)w->core.border_width, + p, ShapeSet); + if (w->core.border_width) + { + XSetForeground(dpy, gc, 0); + XFillRectangle(dpy, p, gc, 0, 0, width, height); + values.line_width = Min(w->core.width, w->core.height); + values.foreground = 1; + XChangeGC(dpy, gc, GCLineWidth | GCForeground, &values); + if (w->core.width < w->core.height) + { + rad = w->core.width >> 1; + XDrawLine(dpy, p, gc, rad, rad, rad, w->core.height - rad - 1); + } + else + { + rad = w->core.height >> 1; + XDrawLine(dpy, p, gc, rad, rad, w->core.width - rad - 1, rad); + } + XShapeCombineMask(dpy, XtWindow(w), ShapeClip, 0, 0, p, ShapeSet); + } + else + XShapeCombineMask(XtDisplay(w), XtWindow(w), + ShapeClip, 0, 0, None, ShapeSet); + + XFreePixmap(dpy, p); + XFreeGC(dpy, gc); +} + +/* + * Function: + * ShapeEllipseOrRoundedRectangle + * + * Parameters: + * w - widget to be reshaped + * ellipse - True if shape to ellise, rounded rectangle otherwise + * ew - horizontal radius of rounded rectangle + * eh - vertical radius of rouded rectangle + * + * Description: + * Based on the ellipse parameter, gives the widget a elliptical + * shape, or rounded rectangle shape. + * + * Notes: + * The GC is created with a line width of 2, what seens to draw the + * widget border correctly, if the width - height is not proportional. + */ +static void +ShapeEllipseOrRoundedRectangle(Widget w, Bool ellipse, int ew, int eh) +{ + Display *dpy = XtDisplay(w); + unsigned width = w->core.width; + unsigned height = w->core.height; + Pixmap p; + XGCValues values; + GC gc; + unsigned long mask; + + if (width < 3 || width < 3) + return; + width += w->core.border_width << 1; + height += w->core.border_width << 1; + + mask = GCForeground | GCLineWidth; + p = XCreatePixmap(dpy, XtWindow(w), width, height, 1); + + values.foreground = 0; + values.line_width = 2; + + gc = XCreateGC(dpy, p, mask, &values); + XFillRectangle(dpy, p, gc, 0, 0, width, height); + XSetForeground(dpy, gc, 1); + if (!ellipse) + XmuFillRoundedRectangle(dpy, p, gc, 1, 1, width - 2, height - 2, ew, eh); + else + { + XDrawArc(dpy, p, gc, 1, 1, width - 2, height - 2, 0, 360 * 64); + XFillArc(dpy, p, gc, 2, 2, width - 4, height - 4, 0, 360 * 64); + } + XShapeCombineMask(dpy, XtWindow(w), ShapeBounding, + -(int)w->core.border_width, -(int)w->core.border_width, + p, ShapeSet); + if (w->core.border_width) + { + XSetForeground(dpy, gc, 0); + XFillRectangle(dpy, p, gc, 0, 0, width, height); + XSetForeground(dpy, gc, 1); + if (!ellipse) + XmuFillRoundedRectangle(dpy, p, gc, 1, 1, + w->core.width - 2, w->core.height - 2, + ew, eh); + else + XFillArc(dpy, p, gc, 0, 0, w->core.width, w->core.height, + 0, 360 * 64); + XShapeCombineMask(dpy, XtWindow(w), ShapeClip, 0, 0, p, ShapeSet); + } + else + XShapeCombineMask(XtDisplay(w), XtWindow(w), + ShapeClip, 0, 0, None, ShapeSet); + + XFreePixmap(dpy, p); + XFreeGC(dpy, gc); +} -- cgit v1.2.3