147 lines
3.6 KiB
Objective-C
147 lines
3.6 KiB
Objective-C
// 12 april 2015
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#import "uipriv_darwin.h"
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struct tab {
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uiTab t;
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NSTabView *tabview;
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NSMutableArray *pages;
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NSMutableArray *margined;
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};
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static void destroy(void *data)
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{
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struct tab *t = (struct tab *) data;
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[t->pages enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
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NSValue *v = (NSValue *) obj;
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uiContainer *p;
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// TODO this is definitely wrong but
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p = (uiContainer *) [v pointerValue];
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uiControlDestroy(uiControl(p));
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}];
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[t->pages release];
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[t->margined release];
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uiFree(t);
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}
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// the default new control implementation uses -sizeToFit, which we don't have with NSTabView
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// fortunately, we do have -minimumSize
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static void preferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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struct tab *t = (struct tab *) c;
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NSSize s;
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s = [t->tabview minimumSize];
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*width = (intmax_t) (s.width);
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*height = (intmax_t) (s.height);
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}
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static void tabAppendPage(uiTab *tt, const char *name, uiControl *child)
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{
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struct tab *t = (struct tab *) tt;
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uiContainer *page;
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NSTabViewItem *i;
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page = newBin();
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binSetMainControl(page, child);
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[t->pages addObject:[NSValue valueWithPointer:page]];
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[t->margined addObject:[NSNumber numberWithInt:0]];
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i = [[NSTabViewItem alloc] initWithIdentifier:nil];
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[i setLabel:toNSString(name)];
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[i setView:((NSView *) uiControlHandle(uiControl(page)))];
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[t->tabview addTabViewItem:i];
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}
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static void tabDeletePage(uiTab *tt, uintmax_t n)
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{
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struct tab *t = (struct tab *) tt;
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NSValue *v;
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uiContainer *p;
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NSTabViewItem *i;
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v = (NSValue *) [t->pages objectAtIndex:n];
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p = (uiContainer *) [v pointerValue];
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[t->pages removeObjectAtIndex:n];
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[t->margined removeObjectAtIndex:n];
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// make sure the children of the tab aren't destroyed
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binSetMainControl(p, NULL);
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// TODO negotiate lifetimes better
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i = [t->tabview tabViewItemAtIndex:n];
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[t->tabview removeTabViewItem:i];
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}
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static uintmax_t tabNumPages(uiTab *tt)
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{
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struct tab *t = (struct tab *) tt;
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return [t->pages count];
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}
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static int tabMargined(uiTab *tt, uintmax_t n)
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{
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struct tab *t = (struct tab *) tt;
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NSNumber *v;
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v = (NSNumber *) [t->margined objectAtIndex:n];
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return [v intValue];
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}
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// These are based on measurements from Interface Builder.
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// These seem to be based on Auto Layout constants, but I don't see an API that exposes these...
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#define tabLeftMargin 17
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#define tabTopMargin 3
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#define tabRightMargin 17
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#define tabBottomMargin 17
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// notes:
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// top margin of a tab to its parent should be 12, not 20
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// our system doesn't allow this...
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static void tabSetMargined(uiTab *tt, uintmax_t n, int margined)
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{
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struct tab *t = (struct tab *) tt;
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NSNumber *v;
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NSValue *binv;
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uiContainer *bin;
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v = [NSNumber numberWithInt:margined];
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[t->margined replaceObjectAtIndex:n withObject:v];
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binv = (NSValue *) [t->pages objectAtIndex:n];
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bin = (uiContainer *) [binv pointerValue];
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if ([v intValue])
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binSetMargins(bin, tabLeftMargin, tabTopMargin, tabRightMargin, tabBottomMargin);
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else
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binSetMargins(bin, 0, 0, 0, 0);
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}
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uiTab *uiNewTab(void)
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{
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struct tab *t;
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t = uiNew(struct tab);
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uiDarwinNewControl(uiControl(t), [NSTabView class], NO, NO, destroy, t);
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t->tabview = (NSTabView *) uiControlHandle(uiControl(t));
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// also good for NSTabView (same selector and everything)
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setStandardControlFont((NSControl *) (t->tabview));
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t->pages = [NSMutableArray new];
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t->margined = [NSMutableArray new];
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uiControl(t)->PreferredSize = preferredSize;
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uiTab(t)->AppendPage = tabAppendPage;
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uiTab(t)->DeletePage = tabDeletePage;
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uiTab(t)->NumPages = tabNumPages;
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uiTab(t)->Margined = tabMargined;
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uiTab(t)->SetMargined = tabSetMargined;
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return uiTab(t);
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}
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