mirror of
https://github.com/cappuccino/cappuccino.git
synced 2026-08-25 04:57:03 +00:00
Didier KorthoudtandGitHub
bb064aacd5
This introduces a Cappuccino specific behavior that permits to control the background color of the popover by setting a background color on the content view.
446 lines
15 KiB
Plaintext
446 lines
15 KiB
Plaintext
/*
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* _CPPopoverWindowView.j
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* AppKit
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*
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* Created by Antoine Mercadal
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* Copyright 2011 <primalmotion@archipelproject.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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@import <Foundation/CPGeometry.j>
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@import "CGGeometry.j"
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@import "CGGradient.j"
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@import "_CPWindowView.j"
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var _CPPopoverWindowViewDefaultCursorSize = CGSizeMake(16, 10);
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/*!
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@ignore
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A custom CPWindowView that manages a border and cursor
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*/
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@implementation _CPPopoverWindowView : _CPWindowView
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{
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float _arrowOffsetX @accessors(property=arrowOffsetX);
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float _arrowOffsetY @accessors(property=arrowOffsetY);
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unsigned _preferredEdge @accessors(property=preferredEdge);
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CGSize _cursorSize;
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CPColor _contentViewSavedBackgroundColor;
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}
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+ (CPString)defaultThemeClass
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{
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return @"popover-window-view";
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}
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+ (CPDictionary)themeAttributes
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{
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return @{
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@"background-gradient": [CPNull null],
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@"background-gradient-hud": [CPNull null],
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@"stroke-color": [CPNull null],
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@"stroke-color-hud": [CPNull null],
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@"border-radius": 5.0,
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@"stroke-width": 1.0,
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@"shadow-size": CGSizeMake(0, 6),
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@"shadow-blur": 15.0
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};
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}
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/*!
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Compute the contentView frame from a given window frame
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@param aFrameRect the window frame
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*/
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- (CGRect)contentRectForFrameRect:(CGRect)aFrameRect
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{
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var contentRect = CGRectMakeCopy(aFrameRect),
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modifierX = 16,
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modifierY = 19;
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// @todo change border art and remove this pixel perfect adaptation
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//
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// @comment: If we use this, each time we open the popover, the content
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// view is reduced a little over and over
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// return CGRectInset(contentRect, modifierX, modifierY);
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contentRect.origin.x += modifierX;
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contentRect.origin.y += modifierY;
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contentRect.size.width -= modifierX * 2;
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contentRect.size.height -= modifierY * 2;
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return contentRect;
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}
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/*!
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Compute the window frame from a given contentView frame
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@param aContentRect the contentView frame
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*/
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+ (CGRect)frameRectForContentRect:(CGRect)aContentRect
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{
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var frameRect = CGRectMakeCopy(aContentRect),
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modifierX = 16,
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modifierY = 19;
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// @todo change border art and remove this pixel perfect adaptation
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// @comment: If we use this, each time we open the popover, the content
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//
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// view is reduced a little over and over
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// return CGRectOffset(frameRect, modifierX, modifierY);
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frameRect.origin.x -= modifierX;
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frameRect.origin.y -= modifierY;
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frameRect.size.width += modifierX * 2;
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frameRect.size.height += modifierY * 2;
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return frameRect;
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}
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/*!
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Initialize the _CPWindowView
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*/
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- (id)initWithFrame:(CGRect)aFrame styleMask:(unsigned)aStyleMask
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{
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if (self = [super initWithFrame:aFrame styleMask:aStyleMask])
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{
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_arrowOffsetX = 0.0;
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_arrowOffsetY = 0.0;
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_appearance = [CPAppearance appearanceNamed:CPAppearanceNameVibrantLight];
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_cursorSize = CGSizeMakeCopy(_CPPopoverWindowViewDefaultCursorSize);
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_contentViewSavedBackgroundColor = nil;
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}
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return self;
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}
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/*!
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Hide the cursor
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*/
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- (void)hideCursor
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{
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_cursorSize = CGSizeMakeZero();
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[self setNeedsDisplay:YES];
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}
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/*!
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Show the cursor
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*/
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- (void)showCursor
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{
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_cursorSize = CGSizeMakeCopy(_CPPopoverWindowViewDefaultCursorSize);
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[self setNeedsDisplay:YES];
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}
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/*!
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Draw the view
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*/
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- (void)drawRect:(CGRect)aRect
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{
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[super drawRect:aRect];
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var context = [[CPGraphicsContext currentContext] graphicsPort],
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radius = [self valueForThemeAttribute:@"border-radius"],
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arrowWidth = _cursorSize.width,
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arrowHeight = _cursorSize.height,
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strokeWidth = [self valueForThemeAttribute:@"stroke-width"],
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halfStrokeWidth = strokeWidth / 2.0,
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strokeColor,
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shadowColor = [[CPColor blackColor] colorWithAlphaComponent:.2],
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shadowSize = [self valueForThemeAttribute:@"shadow-size"],
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shadowBlur = [self valueForThemeAttribute:@"shadow-blur"],
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gradient,
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frame = [self bounds];
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if ([_appearance isEqual:[CPAppearance appearanceNamed:CPAppearanceNameVibrantLight]])
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{
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gradient = [self valueForThemeAttribute:@"background-gradient"];
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strokeColor = [self valueForThemeAttribute:@"stroke-color"];
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}
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else
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{
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gradient = [self valueForThemeAttribute:@"background-gradient-hud"];
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strokeColor = [self valueForThemeAttribute:@"stroke-color-hud"];
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}
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// Cappuccino special behavior :
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// If the content view has a background color, we use it as gradient color
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var subviews = [self subviews],
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contentView = [subviews count] > 0 ? subviews[0] : nil,
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contentViewBackgroundColor = [contentView backgroundColor];
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if (_contentViewSavedBackgroundColor)
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{
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gradient = _contentViewSavedBackgroundColor;
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}
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else if (contentViewBackgroundColor)
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{
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gradient = _contentViewSavedBackgroundColor = contentViewBackgroundColor;
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// We remove the content view background color (it will be restored when the popover closes)
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[contentView setBackgroundColor:nil];
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}
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// fix rect to take care of stroke and shadow
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frame.origin.x += halfStrokeWidth + shadowBlur;
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frame.origin.y += halfStrokeWidth + (shadowBlur + shadowSize.height / 2);
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frame.size.width -= strokeWidth + (shadowBlur * 2);
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frame.size.height -= strokeWidth + (shadowBlur * 2 + shadowSize.height);
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CGContextSetStrokeColor(context, strokeColor);
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CGContextSetLineWidth(context, strokeWidth);
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CGContextBeginPath(context);
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CGContextSetShadowWithColor(context, shadowSize, shadowBlur, shadowColor);
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// Is gradient a CGGradient or a CPColor ?
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if ('locations' in gradient)
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// CGGradient
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CGContextDrawLinearGradient(context, gradient, CGPointMake(CGRectGetMidX(frame), 0.0), CGPointMake(CGRectGetMidX(frame), frame.size.height), 0);
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else
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// CPColor or CGColor
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CGContextSetFillColor(context, gradient);
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var xMin = CGRectGetMinX(frame),
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xMax = CGRectGetMaxX(frame),
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yMin = CGRectGetMinY(frame),
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yMax = CGRectGetMaxY(frame),
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arrowMinX = CGAlignCoordinate(xMin + radius + strokeWidth),
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arrowMaxX = CGAlignCoordinate(xMax - radius - strokeWidth),
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arrowMinY = CGAlignCoordinate(yMin + radius + strokeWidth),
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arrowMaxY = CGAlignCoordinate(yMax - radius + strokeWidth),
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arrowAnchor = CGPointMakeZero(),
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arrowStart = CGPointMakeZero(),
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pt = CGPointMakeZero();
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// draw!
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var path = CGPathCreateMutable();
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switch (_preferredEdge)
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{
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case CPMinXEdge:
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case CPMaxXEdge:
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// origin nw
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pt.x = CGAlignCoordinate(xMin + radius);
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pt.y = yMin;
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CGPathMoveToPoint(path, NULL, pt.x, pt.y);
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// ne
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pt.x = CGAlignCoordinate(xMax - radius);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, xMax, yMin, xMax, CGAlignCoordinate(yMin + radius));
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if (_preferredEdge === CPMinXEdge)
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{
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// arrow CPMinXEdge
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arrowAnchor.x = CGAlignStroke(xMax, strokeWidth);
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arrowAnchor.y = CGAlignCoordinate((frame.size.height / 2) + yMin + _arrowOffsetY);
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// to top edge
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pt.y = CGAlignCoordinate(arrowAnchor.y - (arrowWidth / 2));
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// adjust starting point to not go beyond the corner
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if (pt.y <= arrowMinY)
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pt.y = arrowMinY;
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else if ((pt.y + arrowWidth) > arrowMaxY)
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pt.y = arrowMaxY - arrowWidth;
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pt.x = arrowAnchor.x;
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arrowStart = CGPointMakeCopy(pt);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// top edge -> point
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pt.x = CGAlignStroke(arrowAnchor.x + arrowHeight, strokeWidth);
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pt.y = arrowAnchor.y;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// point -> bottom edge
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pt.x = arrowAnchor.x;
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pt.y = CGAlignCoordinate(arrowStart.y + arrowWidth);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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}
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// se
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pt.x = xMax;
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pt.y = CGAlignCoordinate(yMax - radius);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, pt.x, yMax, CGAlignCoordinate(xMax - radius), yMax);
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// sw
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pt.x = CGAlignCoordinate(xMin + radius);
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pt.y = yMax;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, xMin, pt.y, xMin, CGAlignCoordinate(yMax - radius));
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if (_preferredEdge === CPMaxXEdge)
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{
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// arrow CPMaxXEdge
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arrowAnchor.x = CGAlignStroke(xMin, strokeWidth);
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arrowAnchor.y = CGAlignCoordinate((frame.size.height / 2) + yMin + _arrowOffsetY);
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// to bottom edge
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pt.y = CGAlignCoordinate(arrowAnchor.y + (arrowWidth / 2));
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// adjust starting point to not go beyond the corner
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if ((pt.y - arrowWidth) < arrowMinY)
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pt.y = arrowMinY + arrowWidth;
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else if (pt.y > arrowMaxY)
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pt.y = arrowMaxY;
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pt.x = arrowAnchor.x;
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arrowStart = CGPointMakeCopy(pt);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// bottom edge -> point
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pt.x = CGAlignStroke(arrowAnchor.x - arrowHeight, strokeWidth);
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pt.y = arrowAnchor.y;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// point -> top edge
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pt.x = arrowAnchor.x;
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pt.y = CGAlignCoordinate(arrowStart.y - arrowWidth);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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}
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// nw
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pt.x = xMin;
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pt.y = CGAlignCoordinate(yMin + radius);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, pt.x, yMin, CGAlignCoordinate(xMin + radius), yMin);
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break;
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case CPMaxYEdge:
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case CPMinYEdge:
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// origin sw
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pt.x = xMin;
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pt.y = CGAlignCoordinate(yMax - radius);
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CGPathMoveToPoint(path, NULL, pt.x, pt.y);
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// nw
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pt.y = CGAlignCoordinate(yMin + radius);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, pt.x, yMin, CGAlignCoordinate(xMin + radius), yMin);
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if (_preferredEdge === CPMaxYEdge)
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{
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// arrow CPMaxYEdge
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arrowAnchor.x = CGAlignCoordinate((frame.size.width / 2) + xMin + _arrowOffsetX);
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arrowAnchor.y = CGAlignStroke(yMin + _arrowOffsetY, strokeWidth);
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// to left edge
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pt.x = CGAlignCoordinate(arrowAnchor.x - (arrowWidth / 2));
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// adjust starting point to not go beyond the corner
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if (pt.x < arrowMinX)
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pt.x = arrowMinX;
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else if ((pt.x + arrowWidth) > arrowMaxX)
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pt.x = arrowMaxX - arrowWidth;
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pt.y = arrowAnchor.y;
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arrowStart = CGPointMakeCopy(pt);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// left edge -> point
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pt.x = arrowAnchor.x;
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pt.y = CGAlignStroke(arrowAnchor.y - arrowHeight, strokeWidth);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// point -> right edge
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pt.x = CGAlignCoordinate(arrowStart.x + arrowWidth);
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pt.y = arrowAnchor.y;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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}
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// ne
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pt.x = CGAlignCoordinate(xMax - radius);
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pt.y = yMin;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, xMax, pt.y, xMax, CGAlignCoordinate(yMin + radius));
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// se
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pt.x = xMax;
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pt.y = CGAlignCoordinate(yMax - radius);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, pt.x, yMax, CGAlignCoordinate(xMax - radius), yMax);
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if (_preferredEdge === CPMinYEdge)
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{
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// arrow CPMinYEdge
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arrowAnchor.x = CGAlignCoordinate((frame.size.width / 2) + xMin + _arrowOffsetX);
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arrowAnchor.y = CGAlignStroke(yMax + _arrowOffsetY, strokeWidth);
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// to right edge
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pt.x = CGAlignCoordinate(arrowAnchor.x + (arrowWidth / 2));
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// adjust starting point to not go beyond the corner
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if ((pt.x - arrowWidth) < arrowMinX)
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pt.x = arrowMinX + arrowWidth;
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else if (pt.x > arrowMaxX)
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pt.x = arrowMaxX;
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pt.y = arrowAnchor.y;
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arrowStart = CGPointMakeCopy(pt);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// right edge -> point
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pt.x = arrowAnchor.x;
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pt.y = CGAlignStroke(arrowAnchor.y + arrowHeight, strokeWidth);
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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// point -> left edge
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pt.x = CGAlignCoordinate(arrowStart.x - arrowWidth);
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pt.y = arrowAnchor.y;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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}
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// sw
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pt.x = CGAlignCoordinate(xMin + radius);
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pt.y = yMax;
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CGPathAddLineToPoint(path, NULL, pt.x, pt.y);
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CGPathAddCurveToPoint(path, NULL, pt.x, pt.y, xMin, pt.y, xMin, CGAlignCoordinate(yMax - radius));
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break;
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default:
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// no computed edge means standard rounded rect
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CGPathAddPath(path, NULL, CGPathWithRoundedRectangleInRect(frame, radius, radius, YES, YES, YES, YES));
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}
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CGContextAddPath(context, path);
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CGContextStrokePath(context);
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CGContextAddPath(context, path);
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CGContextFillPath(context);
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}
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- (void)_restoreViewBackgroundColor
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{
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if (_contentViewSavedBackgroundColor)
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{
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// We restore the saved background color in the content view
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var subviews = [self subviews],
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contentView = [subviews count] > 0 ? subviews[0] : nil;
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[contentView setBackgroundColor:_contentViewSavedBackgroundColor];
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_contentViewSavedBackgroundColor = nil;
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}
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}
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@end
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