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/* Transparency-test.m: test transparency
Copyright (C) 2011 Free Software Foundation, Inc.
Author: Eric Wasylishen <ewasylishen@gmail.com>
Date: 2011
This file is part of GNUstep.
This program 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 program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <Foundation/Foundation.h>
#include <AppKit/AppKit.h>
#include "../GSTestProtocol.h"
static void AddLabel(NSString *text, NSRect frame, NSView *dest)
{
NSTextField *labelView = [[NSTextField alloc] initWithFrame: frame];
[labelView setStringValue: text];
[labelView setEditable: NO];
[labelView setSelectable: NO];
[labelView setBezeled: NO];
[labelView setFont: [NSFont labelFontOfSize: 10]];
[labelView setDrawsBackground: NO];
[dest addSubview: labelView];
[labelView release];
}
@interface TransparencyTest : NSObject <GSTest>
{
NSWindow *win;
}
-(void) restart;
@end
@interface TransparencyTestView : NSView
{
}
- (void) changeColor: (id)sender;
- (void) windowOpacity: (id)sender;
- (void) ignoreMouse: (id)sender;
@end
@implementation TransparencyTestView
- (id)initWithFrame: (NSRect)frame
{
self = [super initWithFrame: frame];
if (self != nil)
{
AddLabel(@"Ignore mouse events", NSMakeRect(0, 380, 150, 20), self);
{
NSButton *ignoreMouse = [[NSButton alloc] initWithFrame: NSMakeRect(200, 380, 80, 20)];
[ignoreMouse setButtonType: NSToggleButton];
[ignoreMouse setTitle: @"Ignore mouse events"];
[ignoreMouse setKeyEquivalent: @"i"];
[ignoreMouse setKeyEquivalentModifierMask: NSCommandKeyMask];
[ignoreMouse setTarget: self];
[ignoreMouse setAction: @selector(ignoreMouse:)];
[self addSubview: ignoreMouse];
RELEASE(ignoreMouse);
}
AddLabel(@"On X11, for the window opacity setting or the window background color alpha value to have any effect, you must be running a window manager with compositing enabled.", NSMakeRect(0, 310, 400, 50), self);
AddLabel(@"Window opacity (including title bar):", NSMakeRect(0, 260, 200, 50), self);
{
NSSlider *slider = [[[NSSlider alloc] initWithFrame: NSMakeRect(200, 275, 200, 20)] autorelease];
[slider setMinValue: 0.0];
[slider setMaxValue: 1.0];
[slider setFloatValue: 1.0];
[slider setTarget: self];
[slider setAction: @selector(windowOpacity:)];
[slider setContinuous: YES];
[self addSubview: slider];
}
AddLabel(@"Window background color (please verify that adjusting the opacity works):",
NSMakeRect(0, 210, 200, 50), self);
{
NSColor *defaultColor;
NSColorWell *well = [[[NSColorWell alloc] initWithFrame: NSMakeRect(200, 220, 30, 30)] autorelease];
// Convert the window background to NSCalibratedRGBColorSpace
// so it is possible to change the alpha component
defaultColor = [[NSColor windowBackgroundColor] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
if (defaultColor != nil)
{
[well setColor: defaultColor];
}
[well setTarget: self];
[well setAction: @selector(changeColor:)];
[self addSubview: well];
[[NSColorPanel sharedColorPanel] setShowsAlpha: YES];
}
AddLabel(@"GNUstep logo:", NSMakeRect(0,10,200,200), self);
{
NSImageView *logo = [[[NSImageView alloc] initWithFrame: NSMakeRect(200, 10, 200, 200)] autorelease];
[logo setImage: [NSImage imageNamed: @"LogoGNUstep"]];
[logo setImageFrameStyle: NSImageFrameGrayBezel];
[self addSubview: logo];
}
}
return self;
}
- (void) changeColor: (id)sender
{
NSColor *color = [sender color];
NSLog(@"Set background color to: %@", color);
[[self window] setBackgroundColor: color];
}
- (void) windowOpacity: (id)sender
{
NSLog(@"Set window opacity to %f", (float)[sender floatValue]);
[[self window] setAlphaValue: [sender floatValue]];
}
- (void) ignoreMouse: (id)sender
{
NSLog(@"Set ignore mouse to %f", [sender state]);
[[self window] setIgnoresMouseEvents: [sender state]];
}
@end
@implementation TransparencyTest : NSObject
-(id) init
{
NSView *content;
content = [[TransparencyTestView alloc] initWithFrame: NSMakeRect(0,0,380,430)];
// Create the window
win = [[NSWindow alloc] initWithContentRect: [content frame]
styleMask: (NSTitledWindowMask
| NSClosableWindowMask
| NSMiniaturizableWindowMask
| NSResizableWindowMask)
backing: NSBackingStoreBuffered
defer: NO];
[win setReleasedWhenClosed: NO];
[win setContentView: content];
[win setMinSize: [win frame].size];
[win setTitle: @"Transparency Test"];
[self restart];
return self;
}
-(void) restart
{
[win orderFront: nil];
[[NSApplication sharedApplication] addWindowsItem: win
title: [win title]
filename: NO];
}
- (void) dealloc
{
RELEASE (win);
[super dealloc];
}
@end
|
