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// 7 april 2015
/*
This file assumes that you have imported <Cocoa/Cocoa.h> and "ui.h" beforehand. It provides API-specific functions for interfacing with foreign controls on Mac OS X.
*/
#ifndef __LIBUI_UI_DARWIN_H__
#define __LIBUI_UI_DARWIN_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef struct uiDarwinControl uiDarwinControl;
struct uiDarwinControl {
uiControl c;
uiControl *parent;
BOOL enabled;
BOOL visible;
void (*SyncEnableState)(uiDarwinControl *, int);
void (*SetSuperview)(uiDarwinControl *, NSView *);
BOOL (*HugsTrailingEdge)(uiDarwinControl *);
BOOL (*HugsBottom)(uiDarwinControl *);
void (*ChildEdgeHuggingChanged)(uiDarwinControl *);
NSLayoutPriority (*HuggingPriority)(uiDarwinControl *, NSLayoutConstraintOrientation);
void (*SetHuggingPriority)(uiDarwinControl *, NSLayoutPriority, NSLayoutConstraintOrientation);
void (*ChildVisibilityChanged)(uiDarwinControl *);
};
#define uiDarwinControl(this) ((uiDarwinControl *) (this))
// TODO document
_UI_EXTERN void uiDarwinControlSyncEnableState(uiDarwinControl *, int);
_UI_EXTERN void uiDarwinControlSetSuperview(uiDarwinControl *, NSView *);
_UI_EXTERN BOOL uiDarwinControlHugsTrailingEdge(uiDarwinControl *);
_UI_EXTERN BOOL uiDarwinControlHugsBottom(uiDarwinControl *);
_UI_EXTERN void uiDarwinControlChildEdgeHuggingChanged(uiDarwinControl *);
_UI_EXTERN NSLayoutPriority uiDarwinControlHuggingPriority(uiDarwinControl *, NSLayoutConstraintOrientation);
_UI_EXTERN void uiDarwinControlSetHuggingPriority(uiDarwinControl *, NSLayoutPriority, NSLayoutConstraintOrientation);
_UI_EXTERN void uiDarwinControlChildVisibilityChanged(uiDarwinControl *);
#define uiDarwinControlDefaultDestroy(type, handlefield) \
static void type ## Destroy(uiControl *c) \
{ \
[type(c)->handlefield release]; \
uiFreeControl(c); \
}
#define uiDarwinControlDefaultHandle(type, handlefield) \
static uintptr_t type ## Handle(uiControl *c) \
{ \
return (uintptr_t) (type(c)->handlefield); \
}
#define uiDarwinControlDefaultParent(type, handlefield) \
static uiControl *type ## Parent(uiControl *c) \
{ \
return uiDarwinControl(c)->parent; \
}
#define uiDarwinControlDefaultSetParent(type, handlefield) \
static void type ## SetParent(uiControl *c, uiControl *parent) \
{ \
uiControlVerifySetParent(c, parent); \
uiDarwinControl(c)->parent = parent; \
}
#define uiDarwinControlDefaultToplevel(type, handlefield) \
static int type ## Toplevel(uiControl *c) \
{ \
return 0; \
}
#define uiDarwinControlDefaultVisible(type, handlefield) \
static int type ## Visible(uiControl *c) \
{ \
return uiDarwinControl(c)->visible; \
}
#define uiDarwinControlDefaultShow(type, handlefield) \
static void type ## Show(uiControl *c) \
{ \
uiDarwinControl(c)->visible = YES; \
[type(c)->handlefield setHidden:NO]; \
uiDarwinNotifyVisibilityChanged(uiDarwinControl(c)); \
}
#define uiDarwinControlDefaultHide(type, handlefield) \
static void type ## Hide(uiControl *c) \
{ \
uiDarwinControl(c)->visible = NO; \
[type(c)->handlefield setHidden:YES]; \
uiDarwinNotifyVisibilityChanged(uiDarwinControl(c)); \
}
#define uiDarwinControlDefaultEnabled(type, handlefield) \
static int type ## Enabled(uiControl *c) \
{ \
return uiDarwinControl(c)->enabled; \
}
#define uiDarwinControlDefaultEnable(type, handlefield) \
static void type ## Enable(uiControl *c) \
{ \
uiDarwinControl(c)->enabled = YES; \
uiDarwinControlSyncEnableState(uiDarwinControl(c), uiControlEnabledToUser(c)); \
}
#define uiDarwinControlDefaultDisable(type, handlefield) \
static void type ## Disable(uiControl *c) \
{ \
uiDarwinControl(c)->enabled = NO; \
uiDarwinControlSyncEnableState(uiDarwinControl(c), uiControlEnabledToUser(c)); \
}
#define uiDarwinControlDefaultSyncEnableState(type, handlefield) \
static void type ## SyncEnableState(uiDarwinControl *c, int enabled) \
{ \
if (uiDarwinShouldStopSyncEnableState(c, enabled)) \
return; \
if ([type(c)->handlefield respondsToSelector:@selector(setEnabled:)]) \
[((id) (type(c)->handlefield)) setEnabled:enabled]; /* id cast to make compiler happy; thanks mikeash in irc.freenode.net/#macdev */ \
}
#define uiDarwinControlDefaultSetSuperview(type, handlefield) \
static void type ## SetSuperview(uiDarwinControl *c, NSView *superview) \
{ \
[type(c)->handlefield setTranslatesAutoresizingMaskIntoConstraints:NO]; \
if (superview == nil) \
[type(c)->handlefield removeFromSuperview]; \
else \
[superview addSubview:type(c)->handlefield]; \
}
#define uiDarwinControlDefaultHugsTrailingEdge(type, handlefield) \
static BOOL type ## HugsTrailingEdge(uiDarwinControl *c) \
{ \
return YES; /* always hug by default */ \
}
#define uiDarwinControlDefaultHugsBottom(type, handlefield) \
static BOOL type ## HugsBottom(uiDarwinControl *c) \
{ \
return YES; /* always hug by default */ \
}
#define uiDarwinControlDefaultChildEdgeHuggingChanged(type, handlefield) \
static void type ## ChildEdgeHuggingChanged(uiDarwinControl *c) \
{ \
/* do nothing */ \
}
#define uiDarwinControlDefaultHuggingPriority(type, handlefield) \
static NSLayoutPriority type ## HuggingPriority(uiDarwinControl *c, NSLayoutConstraintOrientation orientation) \
{ \
return [type(c)->handlefield contentHuggingPriorityForOrientation:orientation]; \
}
#define uiDarwinControlDefaultSetHuggingPriority(type, handlefield) \
static void type ## SetHuggingPriority(uiDarwinControl *c, NSLayoutPriority priority, NSLayoutConstraintOrientation orientation) \
{ \
[type(c)->handlefield setContentHuggingPriority:priority forOrientation:orientation]; \
}
#define uiDarwinControlDefaultChildVisibilityChanged(type, handlefield) \
static void type ## ChildVisibilityChanged(uiDarwinControl *c) \
{ \
/* do nothing */ \
}
#define uiDarwinControlAllDefaultsExceptDestroy(type, handlefield) \
uiDarwinControlDefaultHandle(type, handlefield) \
uiDarwinControlDefaultParent(type, handlefield) \
uiDarwinControlDefaultSetParent(type, handlefield) \
uiDarwinControlDefaultToplevel(type, handlefield) \
uiDarwinControlDefaultVisible(type, handlefield) \
uiDarwinControlDefaultShow(type, handlefield) \
uiDarwinControlDefaultHide(type, handlefield) \
uiDarwinControlDefaultEnabled(type, handlefield) \
uiDarwinControlDefaultEnable(type, handlefield) \
uiDarwinControlDefaultDisable(type, handlefield) \
uiDarwinControlDefaultSyncEnableState(type, handlefield) \
uiDarwinControlDefaultSetSuperview(type, handlefield) \
uiDarwinControlDefaultHugsTrailingEdge(type, handlefield) \
uiDarwinControlDefaultHugsBottom(type, handlefield) \
uiDarwinControlDefaultChildEdgeHuggingChanged(type, handlefield) \
uiDarwinControlDefaultHuggingPriority(type, handlefield) \
uiDarwinControlDefaultSetHuggingPriority(type, handlefield) \
uiDarwinControlDefaultChildVisibilityChanged(type, handlefield)
#define uiDarwinControlAllDefaults(type, handlefield) \
uiDarwinControlDefaultDestroy(type, handlefield) \
uiDarwinControlAllDefaultsExceptDestroy(type, handlefield)
// TODO document
#define uiDarwinNewControl(type, var) \
var = type(uiDarwinAllocControl(sizeof (type), type ## Signature, #type)); \
uiControl(var)->Destroy = type ## Destroy; \
uiControl(var)->Handle = type ## Handle; \
uiControl(var)->Parent = type ## Parent; \
uiControl(var)->SetParent = type ## SetParent; \
uiControl(var)->Toplevel = type ## Toplevel; \
uiControl(var)->Visible = type ## Visible; \
uiControl(var)->Show = type ## Show; \
uiControl(var)->Hide = type ## Hide; \
uiControl(var)->Enabled = type ## Enabled; \
uiControl(var)->Enable = type ## Enable; \
uiControl(var)->Disable = type ## Disable; \
uiDarwinControl(var)->SyncEnableState = type ## SyncEnableState; \
uiDarwinControl(var)->SetSuperview = type ## SetSuperview; \
uiDarwinControl(var)->HugsTrailingEdge = type ## HugsTrailingEdge; \
uiDarwinControl(var)->HugsBottom = type ## HugsBottom; \
uiDarwinControl(var)->ChildEdgeHuggingChanged = type ## ChildEdgeHuggingChanged; \
uiDarwinControl(var)->HuggingPriority = type ## HuggingPriority; \
uiDarwinControl(var)->SetHuggingPriority = type ## SetHuggingPriority; \
uiDarwinControl(var)->ChildVisibilityChanged = type ## ChildVisibilityChanged; \
uiDarwinControl(var)->visible = YES; \
uiDarwinControl(var)->enabled = YES;
// TODO document
_UI_EXTERN uiDarwinControl *uiDarwinAllocControl(size_t n, uint32_t typesig, const char *typenamestr);
// Use this function as a shorthand for setting control fonts.
_UI_EXTERN void uiDarwinSetControlFont(NSControl *c, NSControlSize size);
// You can use this function from within your control implementations to return text strings that can be freed with uiFreeText().
_UI_EXTERN char *uiDarwinNSStringToText(NSString *);
// TODO document
_UI_EXTERN BOOL uiDarwinShouldStopSyncEnableState(uiDarwinControl *, BOOL);
// TODO document
_UI_EXTERN void uiDarwinNotifyEdgeHuggingChanged(uiDarwinControl *);
_UI_EXTERN void uiDarwinNotifyVisibilityChanged(uiDarwinControl *c);
// TODO document
// TODO document that values should not be cached
_UI_EXTERN CGFloat uiDarwinMarginAmount(void *reserved);
_UI_EXTERN CGFloat uiDarwinPaddingAmount(void *reserved);
#ifdef __cplusplus
}
#endif
#endif
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