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// 14 august 2015
#import "uipriv_darwin.h"
struct uiGroup {
uiDarwinControl c;
NSBox *box;
uiControl *child;
NSLayoutPriority oldHorzHuggingPri;
NSLayoutPriority oldVertHuggingPri;
int margined;
struct singleChildConstraints constraints;
NSLayoutPriority horzHuggingPri;
NSLayoutPriority vertHuggingPri;
};
static void removeConstraints(uiGroup *g)
{
// set to contentView instead of to the box itself, otherwise we get clipping underneath the label
singleChildConstraintsRemove(&(g->constraints), [g->box contentView]);
}
static void uiGroupDestroy(uiControl *c)
{
uiGroup *g = uiGroup(c);
removeConstraints(g);
if (g->child != NULL) {
uiControlSetParent(g->child, NULL);
uiDarwinControlSetSuperview(uiDarwinControl(g->child), nil);
uiControlDestroy(g->child);
}
[g->box release];
uiFreeControl(uiControl(g));
}
uiDarwinControlDefaultHandle(uiGroup, box)
uiDarwinControlDefaultParent(uiGroup, box)
uiDarwinControlDefaultSetParent(uiGroup, box)
uiDarwinControlDefaultToplevel(uiGroup, box)
uiDarwinControlDefaultVisible(uiGroup, box)
uiDarwinControlDefaultShow(uiGroup, box)
uiDarwinControlDefaultHide(uiGroup, box)
uiDarwinControlDefaultEnabled(uiGroup, box)
uiDarwinControlDefaultEnable(uiGroup, box)
uiDarwinControlDefaultDisable(uiGroup, box)
static void uiGroupSyncEnableState(uiDarwinControl *c, int enabled)
{
uiGroup *g = uiGroup(c);
if (uiDarwinShouldStopSyncEnableState(uiDarwinControl(g), enabled))
return;
if (g->child != NULL)
uiDarwinControlSyncEnableState(uiDarwinControl(g->child), enabled);
}
uiDarwinControlDefaultSetSuperview(uiGroup, box)
static void groupRelayout(uiGroup *g)
{
NSView *childView;
removeConstraints(g);
if (g->child == NULL)
return;
childView = (NSView *) uiControlHandle(g->child);
singleChildConstraintsEstablish(&(g->constraints),
[g->box contentView], childView,
uiDarwinControlHugsTrailingEdge(uiDarwinControl(g->child)),
uiDarwinControlHugsBottom(uiDarwinControl(g->child)),
g->margined,
@"uiGroup");
// needed for some very rare drawing errors...
jiggleViewLayout(g->box);
}
// TODO rename these since I'm starting to get confused by what they mean by hugging
BOOL uiGroupHugsTrailingEdge(uiDarwinControl *c)
{
uiGroup *g = uiGroup(c);
// TODO make a function?
return g->horzHuggingPri < NSLayoutPriorityWindowSizeStayPut;
}
BOOL uiGroupHugsBottom(uiDarwinControl *c)
{
uiGroup *g = uiGroup(c);
return g->vertHuggingPri < NSLayoutPriorityWindowSizeStayPut;
}
static void uiGroupChildEdgeHuggingChanged(uiDarwinControl *c)
{
uiGroup *g = uiGroup(c);
groupRelayout(g);
}
static NSLayoutPriority uiGroupHuggingPriority(uiDarwinControl *c, NSLayoutConstraintOrientation orientation)
{
uiGroup *g = uiGroup(c);
if (orientation == NSLayoutConstraintOrientationHorizontal)
return g->horzHuggingPri;
return g->vertHuggingPri;
}
static void uiGroupSetHuggingPriority(uiDarwinControl *c, NSLayoutPriority priority, NSLayoutConstraintOrientation orientation)
{
uiGroup *g = uiGroup(c);
if (orientation == NSLayoutConstraintOrientationHorizontal)
g->horzHuggingPri = priority;
else
g->vertHuggingPri = priority;
uiDarwinNotifyEdgeHuggingChanged(uiDarwinControl(g));
}
static void uiGroupChildVisibilityChanged(uiDarwinControl *c)
{
uiGroup *g = uiGroup(c);
groupRelayout(g);
}
char *uiGroupTitle(uiGroup *g)
{
return uiDarwinNSStringToText([g->box title]);
}
void uiGroupSetTitle(uiGroup *g, const char *title)
{
[g->box setTitle:toNSString(title)];
}
void uiGroupSetChild(uiGroup *g, uiControl *child)
{
NSView *childView;
if (g->child != NULL) {
removeConstraints(g);
uiDarwinControlSetHuggingPriority(uiDarwinControl(g->child), g->oldHorzHuggingPri, NSLayoutConstraintOrientationHorizontal);
uiDarwinControlSetHuggingPriority(uiDarwinControl(g->child), g->oldVertHuggingPri, NSLayoutConstraintOrientationVertical);
uiControlSetParent(g->child, NULL);
uiDarwinControlSetSuperview(uiDarwinControl(g->child), nil);
}
g->child = child;
if (g->child != NULL) {
childView = (NSView *) uiControlHandle(g->child);
uiControlSetParent(g->child, uiControl(g));
uiDarwinControlSetSuperview(uiDarwinControl(g->child), [g->box contentView]);
uiDarwinControlSyncEnableState(uiDarwinControl(g->child), uiControlEnabledToUser(uiControl(g)));
// don't hug, just in case we're a stretchy group
g->oldHorzHuggingPri = uiDarwinControlHuggingPriority(uiDarwinControl(g->child), NSLayoutConstraintOrientationHorizontal);
g->oldVertHuggingPri = uiDarwinControlHuggingPriority(uiDarwinControl(g->child), NSLayoutConstraintOrientationVertical);
uiDarwinControlSetHuggingPriority(uiDarwinControl(g->child), NSLayoutPriorityDefaultLow, NSLayoutConstraintOrientationHorizontal);
uiDarwinControlSetHuggingPriority(uiDarwinControl(g->child), NSLayoutPriorityDefaultLow, NSLayoutConstraintOrientationVertical);
}
groupRelayout(g);
}
int uiGroupMargined(uiGroup *g)
{
return g->margined;
}
void uiGroupSetMargined(uiGroup *g, int margined)
{
g->margined = margined;
singleChildConstraintsSetMargined(&(g->constraints), g->margined);
}
uiGroup *uiNewGroup(const char *title)
{
uiGroup *g;
uiDarwinNewControl(uiGroup, g);
g->box = [[NSBox alloc] initWithFrame:NSZeroRect];
[g->box setTitle:toNSString(title)];
[g->box setBoxType:NSBoxPrimary];
[g->box setBorderType:NSLineBorder];
[g->box setTransparent:NO];
[g->box setTitlePosition:NSAtTop];
// we can't use uiDarwinSetControlFont() because the selector is different
[g->box setTitleFont:[NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSSmallControlSize]]];
// default to low hugging to not hug edges
g->horzHuggingPri = NSLayoutPriorityDefaultLow;
g->vertHuggingPri = NSLayoutPriorityDefaultLow;
return g;
}
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