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Faster non-backing store display.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@14422 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Adam Fedor 2002-09-09 02:50:15 +00:00
parent 83b509bec5
commit 5bb6dc27ca
2 changed files with 57 additions and 4 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2002-09-08 Adam Fedor <fedor@gnu.org>
* Source/x11/XGServerWindow.m ([XGServer
-_XWinFrameToOSWinFrame:for:]): New.
([XGServer -_addExposedRectangle::]): Convert rect to OS coords.
([XGServer -_processExposedRectangles:]): Invalidate exposed
rects in view. (patch from Frederic De Jaeger).
2002-09-06 Adam Fedor <fedor@gnu.org>
* Source/gsc/GSContext.m (-initWithContextInfo:): Fix

53
Source/x11/XGServerWindow.m
View file

@ -393,6 +393,23 @@ NSDebugLLog(@"Frame", @"O2H %d, %@, %@", win->number,
return x;
}
/*
* Convert a window frame in X coordinates relative to the X-window to a frame
* in OpenStep coordinates relative to the window by flipping.
*/
- (NSRect) _XWinFrameToOSWinFrame: (NSRect)x for: (void*)window
{
gswindow_device_t *win = (gswindow_device_t*)window;
NSRect o;
o.size.width = x.size.width;
o.size.height = x.size.height;
o.origin.x = x.origin.x;
o.origin.y = win->siz_hints.height - x.origin.y;
o.origin.y = o.origin.y - o.size.height;
NSDebugLLog(@"GGFrame", @"%@ %@", NSStringFromRect(x), NSStringFromRect(o));
return o;
}
/*
* Convert a window frame in X absolute screen coordinates to a frame
* in OpenStep absolute screen coordinates by flipping an applying
@ -415,6 +432,7 @@ NSDebugLLog(@"Frame", @"X2O %d, %@, %@", win->number,
return o;
}
- (XGWMProtocols) _checkWindowManager
{
int wmflags;
@ -2015,9 +2033,13 @@ NSDebugLLog(@"Frame", @"X2O %d, %@, %@", win->number,
// Transform the rectangle's coordinates to PS coordinates and add
// this new rectangle to the list of exposed rectangles.
rect.origin = NSMakePoint((float)rectangle.x, rectangle.y);
rect.size = NSMakeSize(rectangle.width, rectangle.height);
[window->exposedRects addObject: [NSValue valueWithRect: rect]];
{
rect = [self _XWinFrameToOSWinFrame:
NSMakeRect(rectangle.x, rectangle.y,
rectangle.width, rectangle.height)
for: window];
[window->exposedRects addObject: [NSValue valueWithRect: rect]];
}
}
}
@ -2082,7 +2104,9 @@ NSDebugLLog(@"Frame", @"X2O %d, %@, %@", win->number,
// handle X expose events
- (void) _processExposedRectangles: (int)win
{
int n;
gswindow_device_t *window;
NSWindow *gui_win;
window = WINDOW_WITH_TAG(win);
if (!window)
@ -2098,8 +2122,29 @@ NSDebugLLog(@"Frame", @"X2O %d, %@, %@", win->number,
// We should determine the views that need to be redisplayed. Until we
// fully support scalation and rotation of views redisplay everything.
// FIXME: It seems wierd to trigger a front-end method from here...
[GSWindowWithNumber(win) display];
// We simply invalidate the
// corresponding rectangle of the contentview.
gui_win = GSWindowWithNumber(win);
n = [window->exposedRects count];
if( n > 0 )
{
NSView *v;
NSValue *val[n];
int i;
v = [gui_win contentView];
[window->exposedRects getObjects: val];
for( i = 0; i < n; ++i)
{
NSRect rect = [val[i] rectValue];
[v setNeedsDisplayInRect: rect];
}
}
// Restore the exposed rectangles and the region
[window->exposedRects removeAllObjects];
XDestroyRegion (window->region);