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Implemented [movewindow::] and [restrictWindow:toImage:].

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@15831 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer 2003-01-31 22:26:10 +00:00
parent 1e9d556988
commit 9fb482ea8f
1 changed files with 63 additions and 1 deletions
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64
Source/x11/XGServerWindow.m
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@ -36,6 +36,9 @@
#include <AppKit/NSCursor.h>
#include <AppKit/NSGraphics.h>
#include <AppKit/NSWindow.h>
#include <AppKit/NSImage.h>
#include <AppKit/NSBitmapImageRep.h>
#include <X11/extensions/shape.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
@ -1605,8 +1608,68 @@ NSDebugLLog(@"Frame", @"X2O %d, %@, %@", win->number,
XFlush(dpy);
}
#define ALPHA_THRESHOLD 158
/* Restrict the displayed part of the window to the given image.
This only yields usefull results if the window is borderless and
displays the image itself */
- (void) restrictWindow: (int)win toImage: (NSImage*)image
{
gswindow_device_t *window;
Pixmap pixmap = 0;
window = WINDOW_WITH_TAG(win);
if (win == 0 || window == NULL)
{
NSLog(@"Invalidparam: Restricting invalid window %d", win);
return;
}
if ([[image backgroundColor] alphaComponent] * 256 <= ALPHA_THRESHOLD)
{
// The mask computed here is only correct for unscaled images.
NSImageRep *rep = [image bestRepresentationForDevice: nil];
if ([rep isKindOfClass: [NSBitmapImageRep class]])
{
if (![(NSBitmapImageRep*)rep isPlanar] &&
([(NSBitmapImageRep*)rep samplesPerPixel] == 4))
{
pixmap = xgps_cursor_mask(dpy, GET_XDRAWABLE(window),
[(NSBitmapImageRep*)rep bitmapData],
[rep pixelsWide], [rep pixelsHigh],
[(NSBitmapImageRep*)rep samplesPerPixel]);
}
}
}
XShapeCombineMask(dpy, window->ident, ShapeBounding, 0, 0,
pixmap, ShapeSet);
if (pixmap)
{
XFreePixmap(dpy, pixmap);
}
}
/* This method is a fast implementation of move that only works
correctly for borderless windows. Use with caution. */
- (void) movewindow: (NSPoint)loc : (int)win
{
gswindow_device_t *window;
window = WINDOW_WITH_TAG(win);
if (win == 0 || window == NULL)
{
NSLog(@"Invalidparam: Moving invalid window %d", win);
return;
}
window->siz_hints.x = (int)loc.x;
window->siz_hints.y = (int)(DisplayHeight(dpy, window->screen) -
loc.y - window->siz_hints.height);
XMoveWindow (dpy, window->ident, window->siz_hints.x, window->siz_hints.y);
setNormalHints(dpy, window);
}
- (void) placewindow: (NSRect)rect : (int)win
@ -1662,7 +1725,6 @@ NSDebugLLog(@"Frame", @"X2O %d, %@, %@", win->number,
NSDebugLLog(@"Moving", @"Place %d - o:%@, x:%@", window->number,
NSStringFromRect(rect), NSStringFromRect(xVal));
XMoveResizeWindow (dpy, window->ident,
window->siz_hints.x, window->siz_hints.y,
window->siz_hints.width, window->siz_hints.height);