/*	Public domain	*/

#ifndef _AGAR_WIDGET_FONT_SELECTOR_H_
#define _AGAR_WIDGET_FONT_SELECTOR_H_

#include <agar/gui/pane.h>
#include <agar/gui/box.h>
#include <agar/gui/tlist.h>
#include <agar/gui/hsvpal.h>
#include <agar/gui/numerical.h>
#include <agar/gui/label.h>

#include <agar/gui/begin.h>

struct ag_font_selector;

typedef AG_Surface *(*AG_FontSelectorPreviewFn)(struct ag_font_selector *_Nonnull,
                                                AG_Font *_Nonnull);

typedef struct ag_font_selector {
	AG_Widget wid;                      /* AG_Widget -> AG_FontSelector */

	Uint flags;
#define AG_FONTSELECTOR_UPDATE         0x0001  /* Refresh listing */
#define AG_FONTSELECTOR_ALT_PHRASE     0x0002  /* Different preview phrase */
                                    /* 0x0004 */
#define AG_FONTSELECTOR_OBLIQUE_STYLES 0x0008  /* Distinguish Italic, Oblique */
#define AG_FONTSELECTOR_HFILL          0x0100
#define AG_FONTSELECTOR_VFILL          0x0200
#define AG_FONTSELECTOR_BOUNDING_BOX   0x0400  /* Show bounding box lines */
                                    /* 0x0800 */
#define AG_FONTSELECTOR_CORRECTIONS    0x1000  /* Show baseline corrections */
#define AG_FONTSELECTOR_MORE_METRICS   0x2000  /* Show extra metrics */
#define AG_FONTSELECTOR_MIDLINE        0x4000  /* Show reference middle line */
#define AG_FONTSELECTOR_EXPAND        (AG_FONTSELECTOR_HFILL | AG_FONTSELECTOR_VFILL)

	char curFace[AG_OBJECT_NAME_MAX];       /* Current font face */
	Uint curStyle;                          /* Current style flags */
	int  sPreview;                          /* Preview surface */
	float curSize;                          /* Current size (pts) */
	Uint32 _pad1;
	AG_Pane *_Nonnull   paneFam;            /* Between families and styles */
	AG_Pane *_Nonnull   paneSz;             /* Between styles and sizes */
	AG_Tlist *_Nonnull tlFaces;             /* List of font faces */
	AG_Tlist *_Nonnull tlStyles;            /* List of font styles */
	AG_Tlist *_Nonnull tlRanges;            /* List of Unicode ranges */
	AG_Tlist *_Nonnull tlSizes;             /* List of standard sizes */
	AG_HSVPal *_Nonnull pal;                /* Preview color picker */
	AG_Label *_Nonnull lblMetrics;          /* Metrics information label */
	AG_Rect rPreview;                       /* Preview area */
	AG_Font *_Nullable font;                /* Default `font' binding */
	AG_Color cPreviewBG, cPreviewFG;        /* Preview colors */
	AG_FontSelectorPreviewFn previewFn;     /* Preview function */
} AG_FontSelector;

#define   AGFONTSELECTOR(o)        ((AG_FontSelector *)(o))
#define  AGcFONTSELECTOR(o)        ((const AG_FontSelector *)(o))
#define  AG_FONTSELECTOR_ISA(o)    (((AGOBJECT(o)->cid & 0xff000000) >> 24) == 0x0F)
#define  AG_FONTSELECTOR_SELF()    AGFONTSELECTOR(  AG_OBJECT(0,         "AG_Widget:AG_FontSelector:*") )
#define  AG_FONTSELECTOR_PTR(n)    AGFONTSELECTOR(  AG_OBJECT((n),       "AG_Widget:AG_FontSelector:*") )
#define  AG_FONTSELECTOR_NAMED(n)  AGFONTSELECTOR(  AG_OBJECT_NAMED((n), "AG_Widget:AG_FontSelector:*") )
#define AG_cFONTSELECTOR_SELF()   AGcFONTSELECTOR( AG_cOBJECT(0,         "AG_Widget:AG_FontSelector:*") )
#define AG_cFONTSELECTOR_PTR(n)   AGcFONTSELECTOR( AG_cOBJECT((n),       "AG_Widget:AG_FontSelector:*") )
#define AG_cFONTSELECTOR_NAMED(n) AGcFONTSELECTOR( AG_cOBJECT_NAMED((n), "AG_Widget:AG_FontSelector:*") )

__BEGIN_DECLS
extern AG_WidgetClass agFontSelectorClass;

AG_FontSelector *_Nonnull AG_FontSelectorNew(void *_Nullable, Uint);
__END_DECLS

#include <agar/gui/close.h>
#endif /* _AGAR_WIDGET_FONT_SELECTOR_H_ */