110 lines
4.6 KiB
Objective-C
110 lines
4.6 KiB
Objective-C
//
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// The MIT License (MIT)
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// Copyright (c) 2018 Oleg Geier
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#import "ModalSheet.h"
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#import "NSView+Ext.h"
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@interface ModalSheet()
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@property (assign) BOOL respondToShouldClose;
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@end
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@implementation ModalSheet
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/// Designated initializer. 'Done' and 'Cancel' buttons will be added automatically.
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- (instancetype)initWithView:(NSView*)content {
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static NSInteger const minWidth = 320;
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static NSInteger const maxWidth = 1200;
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static CGFloat const contentOffsetY = PAD_WIN + HEIGHT_BUTTON + PAD_L;
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NSInteger w = [[NSUserDefaults standardUserDefaults] integerForKey:@"modalSheetWidth"];
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if (w < minWidth) w = minWidth;
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else if (w > maxWidth) w = maxWidth;
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CGFloat h = NSHeight(content.frame);
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[content setFrameSize: NSMakeSize(w, h)];
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// after content size, increase to window size
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w += 2 * PAD_WIN;
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h += PAD_WIN + contentOffsetY; // the second PAD_WIN is already in contentOffsetY
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NSWindowStyleMask style = NSWindowStyleMaskTitled | NSWindowStyleMaskResizable | NSWindowStyleMaskFullSizeContentView;
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self = [super initWithContentRect:NSMakeRect(0, 0, w, h) styleMask:style backing:NSBackingStoreBuffered defer:NO];
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[content placeIn:self.contentView x:PAD_WIN y:contentOffsetY];
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// Restrict resizing to width only
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self.minSize = NSMakeSize(minWidth + 2 * PAD_WIN, h);
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self.maxSize = NSMakeSize(maxWidth + 2 * PAD_WIN, h);
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// Add default interaction buttons
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NSButton *btnDone = [self createButton:NSLocalizedString(@"Done", nil) atX:PAD_WIN];
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NSButton *btnCancel = [self createButton:NSLocalizedString(@"Cancel", nil) atX:w - NSMinX(btnDone.frame) + PAD_M];
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btnDone.tag = 42; // mark 'Done' button
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btnDone.keyEquivalent = @"\r"; // Enter / Return
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btnCancel.keyEquivalent = [NSString stringWithFormat:@"%c", 0x1b]; // ESC
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return self;
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}
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/// Helper method to create bottom-right aligned button.
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- (NSButton*)createButton:(NSString*)text atX:(CGFloat)x {
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return [[[NSView button:text] action:@selector(didTapButton:) target:self] placeIn:self.contentView xRight:x y:PAD_WIN];
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}
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/// Manually disable 'Done' button if a task is still running.
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- (void)setDoneEnabled:(BOOL)accept {
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((NSButton*)[self.contentView viewWithTag:42]).enabled = accept;
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}
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/// Sets bool for future usage
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- (void)setDelegate:(id<NSWindowDelegate>)delegate {
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[super setDelegate:delegate];
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self.respondToShouldClose = [delegate respondsToSelector:@selector(windowShouldClose:)];
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}
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/**
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Called after user has clicked the 'Done' (Return) or 'Cancel' (Esc) button.
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In the later case set @c .didTapCancel @c = @c YES
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*/
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- (void)didTapButton:(NSButton*)sender {
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BOOL successful = (sender.tag == 42); // 'Done' button
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_didTapCancel = !successful;
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if (self.respondToShouldClose && ![self.delegate windowShouldClose:self]) {
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return;
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}
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// Save modal view width for next time
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CGFloat w = NSWidth(self.contentView.frame) - 2 * PAD_WIN;
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[[NSUserDefaults standardUserDefaults] setInteger:(NSInteger)w forKey:@"modalSheetWidth"];
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// Remove subviews to avoid _NSKeyboardFocusClipView issues
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[self.contentView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
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[self.sheetParent endSheet:self returnCode:(successful ? NSModalResponseOK : NSModalResponseCancel)];
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}
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/// Resize modal window by @c dy. Makes room for additional content. Use negative values to shrink window.
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- (void)extendContentViewBy:(CGFloat)dy {
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self.minSize = NSMakeSize(self.minSize.width, self.minSize.height + dy);
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self.maxSize = NSMakeSize(self.maxSize.width, self.maxSize.height + dy);
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NSRect r = self.frame;
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r.size.height += dy;
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[self setFrame:r display:YES animate:YES];
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}
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@end
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