/* internal-gui.h -- common header file for the internal GUI API.
- Copyright (C) 2003, 2004
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H15PRO112
You should have received a copy of the GNU Lesser General Public
License along with the m17n library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
02111-1307, USA. */
#ifndef _M_INTERNAL_GUI_H
#define _M_INTERNAL_GUI_H
-typedef struct MWDevice MWDevice;
-
-extern MSymbol Mfont;
+enum MDeviceType
+ {
+ MDEVICE_SUPPORT_OUTPUT = 1,
+ MDEVICE_SUPPORT_INPUT = 2
+ };
typedef struct MRealizedFont MRealizedFont;
typedef struct MRealizedFace MRealizedFace;
typedef struct MRealizedFontset MRealizedFontset;
+typedef struct MDeviceDriver MDeviceDriver;
/** Information about a frame. */
{
M17NObject control;
- /** Pointer to a window-system dependent device object associated
- with the frame. */
- MWDevice *device;
+ MSymbol foreground, background, videomode;
+
+ MFont *font;
/** The default face of the frame. */
MFace *face;
character of the default face. */
int space_width;
+ int average_width;
+
/** The default ascent and descent of a line. It is ascent and
descent of ASCII font of the default face. */
int ascent, descent;
- /** The following three members are set by mwin__open_device (). */
+ /** Initialized to 0 and incremented on each modification of a face
+ on which one of the realized faces is based. */
+ unsigned tick;
+
+ /** Pointer to device dependent information associated with the
+ frame. */
+ void *device;
+
+ /** The following members are set by "device_open" function of a
+ device dependent library. */
+
+ /** Logical OR of enum MDeviceType. */
+ int device_type;
+
+ /** Resolution (dots per inch) of the device. */
+ int dpi;
+
+ /** Correction of functions to manipulate the device. */
+ MDeviceDriver *driver;
+
+ /** List of font drivers. */
+ MPlist *font_driver_list;
/** List of realized fonts. */
MPlist *realized_font_list;
MPlist *realized_fontset_list;
};
+#define M_CHECK_WRITABLE(frame, err, ret) \
+ do { \
+ if (! ((frame)->device_type & MDEVICE_SUPPORT_OUTPUT)) \
+ MERROR ((err), (ret)); \
+ } while (0)
+
+#define M_CHECK_READABLE(frame, err, ret) \
+ do { \
+ if (! ((frame)->device_type & MDEVICE_SUPPORT_INPUT)) \
+ MERROR ((err), (ret)); \
+ } while (0)
+
enum glyph_type
{
GLYPH_CHAR,
GLYPH_TYPE_MAX
};
-struct MGlyph
+enum glyph_category
+ {
+ GLYPH_CATEGORY_NORMAL,
+ GLYPH_CATEGORY_MODIFIER,
+ GLYPH_CATEGORY_FORMATTER
+ };
+
+typedef struct
{
- int pos, to;
- int c;
- unsigned code;
- MSymbol category;
+ MFLTGlyph g;
MRealizedFace *rface;
- short width, ascent, descent, lbearing, rbearing;
- short xoff, yoff;
- unsigned enabled : 1;
unsigned left_padding : 1;
unsigned right_padding : 1;
- unsigned otf_encoded : 1;
+ unsigned enabled : 1;
unsigned bidi_level : 6;
- enum glyph_type type : 3;
- int combining_code;
-};
-
-typedef struct MGlyph MGlyph;
+ unsigned category : 2;
+ unsigned type : 3;
+} MGlyph;
struct MGlyphString
{
M17NObject head;
+ MFrame *frame;
+ int tick;
+
int size, inc, used;
MGlyph *glyphs;
- MText *mt;
int from, to;
short width, height, ascent, descent;
short physical_ascent, physical_descent, lbearing, rbearing;
short text_ascent, text_descent, line_ascent, line_descent;
int indent, width_limit;
- /* Members to keep temporary data while layouting. */
- short sub_width, sub_lbearing, sub_rbearing;
+ /* Copied for <control>.anti_alias but never set if the frame's
+ depth is less than 8. */
+ unsigned anti_alias : 1;
MDrawControl control;
- MDrawRegion region;
-
struct MGlyphString *next, *top;
};
(gstring)->used -= newlen; \
} while (0)
-#define MAKE_COMBINING_CODE(base_y, base_x, add_y, add_x, off_y, off_x) \
- (((off_y) << 16) \
- | ((off_x) << 8) \
- | ((base_x) << 6) \
- | ((base_y) << 4) \
- | ((add_x) << 2) \
- | (add_y))
-
-#define COMBINING_CODE_OFF_Y(code) (((code) >> 16) & 0xFF)
-#define COMBINING_CODE_OFF_X(code) (((code) >> 8) & 0xFF)
-#define COMBINING_CODE_BASE_X(code) (((code) >> 6) & 0x3)
-#define COMBINING_CODE_BASE_Y(code) (((code) >> 4) & 0x3)
-#define COMBINING_CODE_ADD_X(code) (((code) >> 2) & 0x3)
-#define COMBINING_CODE_ADD_Y(code) ((code) & 0x3)
-
-#define MAKE_COMBINING_CODE_BY_CLASS(class) (0x1000000 | class)
+typedef struct MGlyphString MGlyphString;
-#define COMBINING_BY_CLASS_P(code) ((code) & 0x1000000)
+typedef struct
+{
+ short x, y;
+} MDrawPoint;
-#define COMBINING_CODE_CLASS(code) ((code) & 0xFFFFFF)
+struct MDeviceDriver
+{
+ void (*close) (MFrame *frame);
+ void *(*get_prop) (MFrame *frame, MSymbol key);
+ void (*realize_face) (MRealizedFace *rface);
+ void (*free_realized_face) (MRealizedFace *rface);
+ void (*fill_space) (MFrame *frame, MDrawWindow win,
+ MRealizedFace *rface, int reverse,
+ int x, int y, int width, int height,
+ MDrawRegion region);
+ void (*draw_empty_boxes) (MDrawWindow win, int x, int y,
+ MGlyphString *gstring,
+ MGlyph *from, MGlyph *to,
+ int reverse, MDrawRegion region);
+ void (*draw_hline) (MFrame *frame, MDrawWindow win,
+ MGlyphString *gstring,
+ MRealizedFace *rface, int reverse,
+ int x, int y, int width, MDrawRegion region);
+ void (*draw_box) (MFrame *frame, MDrawWindow win,
+ MGlyphString *gstring,
+ MGlyph *g, int x, int y, int width,
+ MDrawRegion region);
+
+ void (*draw_points) (MFrame *frame, MDrawWindow win,
+ MRealizedFace *rface,
+ int intensity, MDrawPoint *points, int num,
+ MDrawRegion region);
+ MDrawRegion (*region_from_rect) (MDrawMetric *rect);
+ void (*union_rect_with_region) (MDrawRegion region, MDrawMetric *rect);
+ void (*intersect_region) (MDrawRegion region1, MDrawRegion region2);
+ void (*region_add_rect) (MDrawRegion region, MDrawMetric *rect);
+ void (*region_to_rect) (MDrawRegion region, MDrawMetric *rect);
+ void (*free_region) (MDrawRegion region);
+ void (*dump_region) (MDrawRegion region);
+ MDrawWindow (*create_window) (MFrame *frame, MDrawWindow parent);
+ void (*destroy_window) (MFrame *frame, MDrawWindow win);
+ void (*map_window) (MFrame *frame, MDrawWindow win);
+ void (*unmap_window) (MFrame *frame, MDrawWindow win);
+ void (*window_geometry) (MFrame *frame, MDrawWindow win,
+ MDrawWindow parent, MDrawMetric *geometry);
+ void (*adjust_window) (MFrame *frame, MDrawWindow win,
+ MDrawMetric *current, MDrawMetric *new);
+ MSymbol (*parse_event) (MFrame *frame, void *arg, int *modifiers);
+};
-typedef struct MGlyphString MGlyphString;
+extern MSymbol Mlatin;
-typedef struct MFontDriver MFontDriver;
+extern MSymbol Mgd;
extern int mfont__init ();
extern void mfont__fini ();
extern int minput__win_init ();
extern void minput__win_fini ();
-extern int mwin__init ();
-extern void mwin__fini ();
-
-extern MWDevice *mwin__open_device (MFrame *frame, MPlist *plist);
-
-extern void mwin__close_device (MFrame *frame);
-
-extern void *mwin__device_get_prop (MWDevice *device, MSymbol key);
-
-extern int mwin__parse_font_name (char *name, MFont *font);
-
-extern char *mwin__build_font_name (MFont *font);
-
-extern void mwin__realize_face (MRealizedFace *rface);
-
-extern void mwin__free_realized_face (MRealizedFace *rface);
-
-extern void mwin__fill_space (MFrame *frame, MDrawWindow win,
- MRealizedFace *rface, int reverse,
- int x, int y, int width, int height,
- MDrawRegion region);
-
-extern void mwin__draw_hline (MFrame *frame, MDrawWindow win,
- MGlyphString *gstring,
- MRealizedFace *rface, int reverse,
- int x, int y, int width, MDrawRegion region);
-
-extern void mwin__draw_box (MFrame *frame, MDrawWindow win,
- MGlyphString *gstring,
- MGlyph *g, int x, int y, int width,
- MDrawRegion region);
-
-extern void mwin__draw_bitmap (MFrame *frame, MDrawWindow win,
- MRealizedFace *rface, int reverse,
- int x, int y,
- int width, int height, int row_bytes,
- unsigned char *bmp,
- MDrawRegion region);
-
-extern MDrawRegion mwin__region_from_rect (MDrawMetric *rect);
-
-extern void mwin__union_rect_with_region (MDrawRegion region,
- MDrawMetric *rect);
-
-extern void mwin__intersect_region (MDrawRegion region1, MDrawRegion region2);
-
-extern void mwin__region_add_rect (MDrawRegion region, MDrawMetric *rect);
-
-extern void mwin__region_to_rect (MDrawRegion region, MDrawMetric *rect);
-
-extern void mwin__free_region (MDrawRegion region);
-
-extern void mwin__verify_region (MFrame *frame, MDrawRegion region);
-
-extern void mwin__dump_region (MDrawRegion region);
-
-extern MDrawWindow mwin__create_window (MFrame *frame, MDrawWindow parent);
-
-extern void mwin__destroy_window (MFrame *frame, MDrawWindow win);
-
-#if 0
-extern MDrawWindow mwin__event_window (void *event);
-
-extern void mwin__print_event (void *event, char *win_name);
-#endif
-
-extern void mwin__map_window (MFrame *frame, MDrawWindow win);
-
-extern void mwin__unmap_window (MFrame *frame, MDrawWindow win);
-
-extern void mwin__window_geometry (MFrame *frame, MDrawWindow win,
- MDrawWindow parent, MDrawMetric *geometry);
-
-extern void mwin__adjust_window (MFrame *frame, MDrawWindow win,
- MDrawMetric *current, MDrawMetric *new);
-
-extern MSymbol mwin__parse_event (MFrame *frame, void *arg, int *modifiers);
-
#endif /* _M_INTERNAL_GUI_H */
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