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https://github.com/melonDS-emu/melonDS.git
synced 2025-07-26 07:39:56 -06:00
another UI attempt, I guess.
sorry.
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StapleButter
292
src/libui_sdl/libui/darwin/tab.m
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292
src/libui_sdl/libui/darwin/tab.m
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// 15 august 2015
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#import "uipriv_darwin.h"
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// TODO need to jiggle on tab change too (second page disabled tab label initially ambiguous)
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@interface tabPage : NSObject {
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struct singleChildConstraints constraints;
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int margined;
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NSView *view; // the NSTabViewItem view itself
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NSObject *pageID;
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}
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@property uiControl *c;
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@property NSLayoutPriority oldHorzHuggingPri;
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@property NSLayoutPriority oldVertHuggingPri;
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- (id)initWithView:(NSView *)v pageID:(NSObject *)o;
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- (NSView *)childView;
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- (void)establishChildConstraints;
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- (void)removeChildConstraints;
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- (int)isMargined;
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- (void)setMargined:(int)m;
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@end
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struct uiTab {
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uiDarwinControl c;
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NSTabView *tabview;
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NSMutableArray *pages;
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NSLayoutPriority horzHuggingPri;
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NSLayoutPriority vertHuggingPri;
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};
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@implementation tabPage
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- (id)initWithView:(NSView *)v pageID:(NSObject *)o
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{
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self = [super init];
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if (self != nil) {
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self->view = [v retain];
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self->pageID = [o retain];
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}
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return self;
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}
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- (void)dealloc
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{
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[self removeChildConstraints];
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[self->view release];
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[self->pageID release];
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[super dealloc];
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}
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- (NSView *)childView
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{
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return (NSView *) uiControlHandle(self.c);
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}
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- (void)establishChildConstraints
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{
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[self removeChildConstraints];
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if (self.c == NULL)
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return;
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singleChildConstraintsEstablish(&(self->constraints),
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self->view, [self childView],
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uiDarwinControlHugsTrailingEdge(uiDarwinControl(self.c)),
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uiDarwinControlHugsBottom(uiDarwinControl(self.c)),
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self->margined,
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@"uiTab page");
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}
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- (void)removeChildConstraints
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{
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singleChildConstraintsRemove(&(self->constraints), self->view);
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}
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- (int)isMargined
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{
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return self->margined;
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}
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- (void)setMargined:(int)m
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{
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self->margined = m;
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singleChildConstraintsSetMargined(&(self->constraints), self->margined);
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}
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@end
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static void uiTabDestroy(uiControl *c)
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{
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uiTab *t = uiTab(c);
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tabPage *page;
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// first remove all tab pages so we can destroy all the children
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while ([t->tabview numberOfTabViewItems] != 0)
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[t->tabview removeTabViewItem:[t->tabview tabViewItemAtIndex:0]];
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// then destroy all the children
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for (page in t->pages) {
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[page removeChildConstraints];
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uiControlSetParent(page.c, NULL);
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uiDarwinControlSetSuperview(uiDarwinControl(page.c), nil);
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uiControlDestroy(page.c);
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}
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// and finally destroy ourselves
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[t->pages release];
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[t->tabview release];
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uiFreeControl(uiControl(t));
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}
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uiDarwinControlDefaultHandle(uiTab, tabview)
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uiDarwinControlDefaultParent(uiTab, tabview)
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uiDarwinControlDefaultSetParent(uiTab, tabview)
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uiDarwinControlDefaultToplevel(uiTab, tabview)
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uiDarwinControlDefaultVisible(uiTab, tabview)
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uiDarwinControlDefaultShow(uiTab, tabview)
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uiDarwinControlDefaultHide(uiTab, tabview)
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uiDarwinControlDefaultEnabled(uiTab, tabview)
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uiDarwinControlDefaultEnable(uiTab, tabview)
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uiDarwinControlDefaultDisable(uiTab, tabview)
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static void uiTabSyncEnableState(uiDarwinControl *c, int enabled)
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{
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uiTab *t = uiTab(c);
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tabPage *page;
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if (uiDarwinShouldStopSyncEnableState(uiDarwinControl(t), enabled))
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return;
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for (page in t->pages)
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uiDarwinControlSyncEnableState(uiDarwinControl(page.c), enabled);
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}
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uiDarwinControlDefaultSetSuperview(uiTab, tabview)
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static void tabRelayout(uiTab *t)
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{
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tabPage *page;
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for (page in t->pages)
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[page establishChildConstraints];
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// and this gets rid of some weird issues with regards to box alignment
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jiggleViewLayout(t->tabview);
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}
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BOOL uiTabHugsTrailingEdge(uiDarwinControl *c)
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{
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uiTab *t = uiTab(c);
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return t->horzHuggingPri < NSLayoutPriorityWindowSizeStayPut;
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}
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BOOL uiTabHugsBottom(uiDarwinControl *c)
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{
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uiTab *t = uiTab(c);
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return t->vertHuggingPri < NSLayoutPriorityWindowSizeStayPut;
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}
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static void uiTabChildEdgeHuggingChanged(uiDarwinControl *c)
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{
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uiTab *t = uiTab(c);
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tabRelayout(t);
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}
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static NSLayoutPriority uiTabHuggingPriority(uiDarwinControl *c, NSLayoutConstraintOrientation orientation)
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{
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uiTab *t = uiTab(c);
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if (orientation == NSLayoutConstraintOrientationHorizontal)
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return t->horzHuggingPri;
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return t->vertHuggingPri;
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}
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static void uiTabSetHuggingPriority(uiDarwinControl *c, NSLayoutPriority priority, NSLayoutConstraintOrientation orientation)
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{
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uiTab *t = uiTab(c);
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if (orientation == NSLayoutConstraintOrientationHorizontal)
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t->horzHuggingPri = priority;
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else
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t->vertHuggingPri = priority;
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uiDarwinNotifyEdgeHuggingChanged(uiDarwinControl(t));
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}
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static void uiTabChildVisibilityChanged(uiDarwinControl *c)
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{
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uiTab *t = uiTab(c);
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tabRelayout(t);
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}
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void uiTabAppend(uiTab *t, const char *name, uiControl *child)
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{
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uiTabInsertAt(t, name, [t->pages count], child);
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}
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void uiTabInsertAt(uiTab *t, const char *name, int n, uiControl *child)
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{
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tabPage *page;
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NSView *view;
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NSTabViewItem *i;
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NSObject *pageID;
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uiControlSetParent(child, uiControl(t));
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view = [[[NSView alloc] initWithFrame:NSZeroRect] autorelease];
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// note: if we turn off the autoresizing mask, nothing shows up
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uiDarwinControlSetSuperview(uiDarwinControl(child), view);
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uiDarwinControlSyncEnableState(uiDarwinControl(child), uiControlEnabledToUser(uiControl(t)));
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// the documentation says these can be nil but the headers say these must not be; let's be safe and make them non-nil anyway
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pageID = [NSObject new];
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page = [[[tabPage alloc] initWithView:view pageID:pageID] autorelease];
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page.c = child;
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// don't hug, just in case we're a stretchy tab
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page.oldHorzHuggingPri = uiDarwinControlHuggingPriority(uiDarwinControl(page.c), NSLayoutConstraintOrientationHorizontal);
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page.oldVertHuggingPri = uiDarwinControlHuggingPriority(uiDarwinControl(page.c), NSLayoutConstraintOrientationVertical);
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uiDarwinControlSetHuggingPriority(uiDarwinControl(page.c), NSLayoutPriorityDefaultLow, NSLayoutConstraintOrientationHorizontal);
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uiDarwinControlSetHuggingPriority(uiDarwinControl(page.c), NSLayoutPriorityDefaultLow, NSLayoutConstraintOrientationVertical);
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[t->pages insertObject:page atIndex:n];
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i = [[[NSTabViewItem alloc] initWithIdentifier:pageID] autorelease];
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[i setLabel:toNSString(name)];
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[i setView:view];
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[t->tabview insertTabViewItem:i atIndex:n];
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tabRelayout(t);
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}
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void uiTabDelete(uiTab *t, int n)
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{
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tabPage *page;
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uiControl *child;
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NSTabViewItem *i;
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page = (tabPage *) [t->pages objectAtIndex:n];
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uiDarwinControlSetHuggingPriority(uiDarwinControl(page.c), page.oldHorzHuggingPri, NSLayoutConstraintOrientationHorizontal);
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uiDarwinControlSetHuggingPriority(uiDarwinControl(page.c), page.oldVertHuggingPri, NSLayoutConstraintOrientationVertical);
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child = page.c;
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[page removeChildConstraints];
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[t->pages removeObjectAtIndex:n];
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uiControlSetParent(child, NULL);
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uiDarwinControlSetSuperview(uiDarwinControl(child), nil);
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i = [t->tabview tabViewItemAtIndex:n];
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[t->tabview removeTabViewItem:i];
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tabRelayout(t);
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}
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int uiTabNumPages(uiTab *t)
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{
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return [t->pages count];
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}
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int uiTabMargined(uiTab *t, int n)
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{
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tabPage *page;
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page = (tabPage *) [t->pages objectAtIndex:n];
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return [page isMargined];
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}
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void uiTabSetMargined(uiTab *t, int n, int margined)
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{
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tabPage *page;
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page = (tabPage *) [t->pages objectAtIndex:n];
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[page setMargined:margined];
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}
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uiTab *uiNewTab(void)
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{
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uiTab *t;
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uiDarwinNewControl(uiTab, t);
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t->tabview = [[NSTabView alloc] initWithFrame:NSZeroRect];
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// also good for NSTabView (same selector and everything)
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uiDarwinSetControlFont((NSControl *) (t->tabview), NSRegularControlSize);
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t->pages = [NSMutableArray new];
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// default to low hugging to not hug edges
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t->horzHuggingPri = NSLayoutPriorityDefaultLow;
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t->vertHuggingPri = NSLayoutPriorityDefaultLow;
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return t;
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}
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