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Diffstat (limited to 'src/ShapeWidg.c')
| -rw-r--r-- | src/ShapeWidg.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/ShapeWidg.c b/src/ShapeWidg.c new file mode 100644 index 0000000..c06c6e9 --- /dev/null +++ b/src/ShapeWidg.c @@ -0,0 +1,189 @@ +/* $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. + +*/ + +#include <X11/IntrinsicP.h> +#include <X11/extensions/shape.h> +#include "Converters.h" +#include "Drawing.h" + +static ShapeError(); +static ShapeRectangle(), ShapeOval(), ShapeEllipseOrRoundedRectangle(); + +Boolean XmuReshapeWidget(w, shape_style, corner_width, corner_height) + Widget w; + int shape_style; + int corner_width, corner_height; +{ + switch (shape_style) { + + case XmuShapeRectangle: + ShapeRectangle(w); + break; + + case XmuShapeOval: + ShapeOval(w); + break; + + case XmuShapeEllipse: + case XmuShapeRoundedRectangle: + ShapeEllipseOrRoundedRectangle + (w, + ((shape_style == XmuShapeEllipse) ? True : False), + corner_width, + corner_height); + break; + + default: + ShapeError(w); + return False; + } + return True; +} + +static ShapeError(w) + 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 ShapeRectangle(w) + Widget w; +{ + XShapeCombineMask( XtDisplay(w), XtWindow(w), + ShapeBounding, 0, 0, None, ShapeSet ); + XShapeCombineMask( XtDisplay(w), XtWindow(w), + ShapeClip, 0, 0, None, ShapeSet ); +} + + +static ShapeOval(w) + Widget w; +{ + Display *dpy = XtDisplay(w); + unsigned width = w->core.width + (w->core.border_width<<1); + unsigned height = w->core.height + (w->core.border_width<<1); + Pixmap p = XCreatePixmap( dpy, XtWindow(w), width, height, 1 ); + XGCValues values; + GC gc; + int rad; + + values.foreground = 0; + values.background = 1; + values.cap_style = CapRound; + values.line_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) { + /* cannot be oval, fall back to ellipse */ + XFillArc( dpy, p, gc, 0, 0, width, height, 0, 360*64 ); + } else { + rad = height >> 1; + XDrawLine( dpy, p, gc, rad, rad, (int)width - rad - 1, rad ); + } + XShapeCombineMask( dpy, XtWindow(w), ShapeBounding, + -(w->core.border_width), -(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 = w->core.height; + values.foreground = 1; + XChangeGC (dpy, gc, GCLineWidth|GCForeground, &values); + if (w->core.width <= w->core.height) { + /* cannot be oval, fall back to ellipse */ + XFillArc( dpy, p, gc, 0, 0, w->core.width, w->core.height, + 0, 360*64 ); + } else { + rad = w->core.height >> 1; + XDrawLine( dpy, p, gc, rad, rad, + (int)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 ); +} + + +static ShapeEllipseOrRoundedRectangle(w, ellipse, ew, eh) + Widget w; + Boolean ellipse; + int ew, eh; +{ + Display *dpy = XtDisplay(w); + unsigned width = w->core.width + (w->core.border_width<<1); + unsigned height = w->core.height + (w->core.border_width<<1); + Pixmap p = XCreatePixmap( dpy, XtWindow(w), width, height, 1 ); + XGCValues values; + GC gc; + + values.foreground = 0; + gc = XCreateGC (dpy, p, GCForeground, &values ); + XFillRectangle( dpy, p, gc, 0, 0, width, height ); + XSetForeground (dpy, gc, 1); + if (!ellipse) + XmuFillRoundedRectangle( dpy, p, gc, 0, 0, (int)width, (int)height, + ew, eh ); + else + XFillArc( dpy, p, gc, 0, 0, width, height, 0, 360*64 ); + XShapeCombineMask( dpy, XtWindow(w), ShapeBounding, + -(w->core.border_width), -(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, 0, 0, + (int)w->core.width, (int)w->core.height, + 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); +} |