#include "fontset.h"
#include "face.h"
-static int win_initialized;
-
#ifndef DLOPEN_SHLIB_EXT
#define DLOPEN_SHLIB_EXT ".so"
#endif
+/** Information about a dynamic library supporting a specific graphic
+ device. */
+typedef struct
+{
+ /** Name of the dynamic library (e.g. "libm17n-X.so"). */
+ char *library;
+ /** Handle fo the dynamic library. */
+ void *handle;
+ /** Function to call just after loading the library. */
+ int (*init) ();
+ /** Function to call to open a frame on the graphic device. */
+ int (*open) (MFrame *frame, MPlist *param);
+ /** Function to call just before unloading the library. */
+ int (*fini) ();
+} MDeviceLibraryInterface;
+
+
+/** Plist of device symbol vs MDeviceLibraryInterface. */
+
+static MPlist *device_library_list;
+
/** Close MFrame and free it. */
static void
free (object);
}
+
+/** Register a dynamic library of name LIB by a key NAME. */
+
+static int
+register_device_library (MSymbol name, char *lib)
+{
+ MDeviceLibraryInterface *interface;
+
+ MSTRUCT_CALLOC (interface, MERROR_WIN);
+ interface->library = malloc (strlen (lib)
+ + strlen (DLOPEN_SHLIB_EXT) + 1);
+ sprintf (interface->library, "%s%s", lib, DLOPEN_SHLIB_EXT);
+ if (! device_library_list)
+ device_library_list = mplist ();
+ mplist_add (device_library_list, name, interface);
+ return 0;
+}
+
\f
#ifdef HAVE_FREETYPE
/** Null device support. */
MPlist *realized_face_list;
} null_device;
+static void
+null_device_close (MFrame *frame)
+{
+}
+
+static void *
+null_device_get_prop (MFrame *frame, MSymbol key)
+{
+ return NULL;
+}
+
+static void
+null_device_realize_face (MRealizedFace *rface)
+{
+ rface->info = NULL;
+}
+
+static void
+null_device_free_realized_face (MRealizedFace *rface)
+{
+}
+
+static MDeviceDriver null_driver =
+ {
+ null_device_close,
+ null_device_get_prop,
+ null_device_realize_face,
+ null_device_free_realized_face
+ };
+
static int
null_device_init ()
{
frame->device = NULL;
frame->device_type = 0;
+ frame->driver = &null_driver;
frame->font_driver_list = mplist ();
mplist_add (frame->font_driver_list, Mfreetype, &mfont__ft_driver);
frame->realized_font_list = null_device.realized_font_list;
return 0;
}
-static void
-null_device_close (MFrame *frame)
-{
-}
-
-static void *
-null_device_get_prop (MFrame *frame, MSymbol key)
-{
- return NULL;
-}
-
-static void
-null_device_realize_face (MRealizedFace *rface)
-{
- rface->info = NULL;
-}
-
-static void
-null_device_free_realized_face (MRealizedFace *rface)
-{
-}
-
-static MDeviceDriver null_driver =
- {
- 0,
- null_device_init,
- null_device_fini,
- null_device_open,
- null_device_close,
- null_device_get_prop,
- null_device_realize_face,
- null_device_free_realized_face
- };
+static MDeviceLibraryInterface null_interface =
+ { NULL, NULL, null_device_init, null_device_open, null_device_fini };
#endif
\f
/* Internal API */
-MSymbol Mfreetype;
-
-/** Plist of device symbol vs functions to initialized the device
- library. */
-MPlist *m17n__device_library_list;
-
-
/*** @} */
#endif /* !FOR_DOXYGEN || DOXYGEN_INTERNAL_MODULE */
\f
/* External API */
-int
+void
m17n_init_win (void)
{
int mdebug_mask = MDEBUG_INIT;
- if (win_initialized++)
- return 0;
+ if (m17n__gui_initialized++)
+ return;
m17n_init ();
if (merror_code != MERROR_NONE)
- return -1;
+ {
+ m17n__gui_initialized--;
+ return;
+ }
MDEBUG_PUSH_TIME ();
- Mx = msymbol ("x");
Mgd = msymbol ("gd");
- Mfreetype = msymbol ("freetype");
Mfont = msymbol ("font");
Mfont_width = msymbol ("font-width");
Mfont_ascent = msymbol ("font-ascent");
MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize input-win module."));
mframe_default = NULL;
- m17n__device_library_list = mplist ();
-#ifdef HAVE_FREETYPE
- null_driver.initialized = 0;
- mplist_put (m17n__device_library_list, Mt, &null_driver);
-#endif
-
- return 0;
+ register_device_library (Mx, "libm17n-X");
+ register_device_library (Mgd, "libm17n-gd");
+ return;
err:
MDEBUG_POP_TIME ();
MDEBUG_PRINT_TIME ("INIT", (stderr, " to initialize the m17n GUI module."));
MDEBUG_POP_TIME ();
- return -1;
}
void
m17n_fini_win (void)
{
int mdebug_mask = MDEBUG_FINI;
+ MPlist *plist;
- if (win_initialized > 1)
- win_initialized--;
- else
+ if (m17n__gui_initialized == 0
+ || --m17n__gui_initialized > 0)
+ return;
+
+ MDEBUG_PUSH_TIME ();
+ MDEBUG_PUSH_TIME ();
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize device modules."));
+ MPLIST_DO (plist, device_library_list)
{
- MPlist *plist;
+ MDeviceLibraryInterface *interface = MPLIST_VAL (plist);
- win_initialized = 0;
- MDEBUG_PUSH_TIME ();
- MDEBUG_PUSH_TIME ();
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize device modules."));
- MPLIST_DO (plist, m17n__device_library_list)
+ if (interface->handle && interface->fini)
{
- MDeviceDriver *driver = MPLIST_VAL (plist);
-
- if (driver->initialized)
- {
- (*driver->fini) ();
- driver->initialized = 0;
- }
+ (*interface->fini) ();
+ dlclose (interface->handle);
}
- M17N_OBJECT_UNREF (m17n__device_library_list);
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize input-gui module."));
- minput__win_fini ();
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize draw module."));
- mdraw__fini ();
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize face module."));
- mface__fini ();
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize fontset module."));
- mfont__fontset_fini ();
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize font module."));
- mfont__fini ();
- mframe_default = NULL;
- MDEBUG_POP_TIME ();
- MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize the gui modules."));
- MDEBUG_POP_TIME ();
+ free (interface->library);
}
+#ifdef HAVE_FREETYPE
+ if (null_interface.handle)
+ (*null_interface.fini) ();
+#endif /* not HAVE_FREETYPE */
+ M17N_OBJECT_UNREF (device_library_list);
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize input-gui module."));
+ minput__win_fini ();
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize draw module."));
+ mdraw__fini ();
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize face module."));
+ mface__fini ();
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize fontset module."));
+ mfont__fontset_fini ();
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize font module."));
+ mfont__fini ();
+ mframe_default = NULL;
+ MDEBUG_POP_TIME ();
+ MDEBUG_PRINT_TIME ("FINI", (stderr, " to finalize the gui modules."));
+ MDEBUG_POP_TIME ();
m17n_fini ();
}
MSymbol Mdevice, Mdisplay, Mscreen, Mdrawable, Mdepth, Mcolormap, Mwidget;
-MSymbol Mx, Mgd;
+MSymbol Mgd;
/*=*/
The created frame uses the specified colormap.
+ <li> #Mfont, the value must be #Mx, #Mfreetype, or #Mxft.
+
+ The created frame uses the specified font backend. The value #Mx
+ instructs to use X core fonts, #Mfreetype to use local fonts
+ supported by FreeType fonts, and #Mxft to use local fonts via Xft
+ library. You can specify this parameter more than once with
+ different values if you want to use multiple font backends. This
+ is ignored if the specified font backend is not supported on the
+ device.
+
+ When this parameter is not specified, all font backend supported
+ on the device are used.
+
</ul>
@return
À¸À®¤µ¤ì¤¿¥Õ¥ì¡¼¥à¤Ï¡¢»ØÄꤷ¤¿¥«¥é¡¼¥Þ¥Ã¥×¤ò»ÈÍѤ¹¤ë¡£
+ <li> #Mfont. Ãͤϡ¢#Mx, #Mfreetype, #Mxft ¤Î¤¤¤º¤ì¤«¡£
+
+ À¸À®¤µ¤ì¤¿¥Õ¥ì¡¼¥à¤Ï»ØÄꤷ¤¿¥Õ¥©¥ó¥È¥Ð¥Ã¥¯¥¨¥ó¥É¤ò»ÈÍѤ¹¤ë¡£Ãͤ¬
+ #Mx ¤Ç¤¢¤ì¤Ð X ¤Î¥³¥¢¥Õ¥©¥ó¥È¡¢#Mfreetype ¤Ç¤¢¤ì¤Ð FreeType ¤Ç¥µ¥Ý¡¼
+ ¥È¤µ¤ì¤Æ¤¤¤ë¥í¡¼¥«¥ë¥Õ¥©¥ó¥È¡¢#Mxft ¤Ç¤¢¤ì¤Ð Xft ¥é¥¤¥Ö¥é¥ê·Ðͳ¤Ç
+ ÍѤ¤¤ë¥í¡¼¥«¥ë¥Õ¥©¥ó¥È¤ò»ÈÍѤ¹¤ë¡£Ê£¿ô¤Î¥Õ¥©¥ó¥È¥Ð¥Ã¥¯¥¨¥ó¥É¤ò»ÈÍÑ
+ ¤·¤¿¤¤¾ì¹ç¤Ë¤Ï¡¢¤³¤Î¥Ñ¥é¥á¡¼¥¿¤òÊ£¿ô²ó¡¢°Û¤Ê¤ëÃͤǻØÄꤹ¤ë¤³¤È¤¬¤Ç
+ ¤¤ë¡£»ØÄꤷ¤¿¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Ê¤¤¥Ç¥Ð¥¤¥¹¤Ç¤Ï¡¢¤³¤Î
+ ¥Ñ¥é¥á¡¼¥¿¤Ï̵»ë¤µ¤ì¤ë¡£
+
+ ¤³¤Î¥Ñ¥é¥á¡¼¥¿¤¬Ìµ¤¤¾ì¹ç¤Ë¤Ï¡¢¥Ç¥Ð¥¤¥¹¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î
+ ¥Õ¥©¥ó¥È¥Ð¥Ã¥¯¥¨¥ó¥É¤òÍøÍѤ¹¤ë¡£
+
</ul>
@return
int plist_created = 0;
MPlist *pl;
MSymbol device;
- MDeviceDriver *driver;
+ MDeviceLibraryInterface *interface;
if (plist)
{
pl = mplist_find_by_key (plist, Mdevice);
if (pl)
- {
- device = MPLIST_VAL (pl);
- if (device == Mt)
- MERROR (MERROR_WIN, NULL);
- if (device == Mnil)
- device = Mt;
- }
+ device = MPLIST_VAL (pl);
else
device = Mx;
}
device = Mx;
}
- driver = mplist_get (m17n__device_library_list, device);
- if (! driver)
- MERROR (MERROR_WIN, NULL);
- if (! driver->initialized)
+ if (device == Mnil)
+ {
+#ifdef HAVE_FREETYPE
+ interface = &null_interface;
+ if (! interface->handle)
+ {
+ (*interface->init) ();
+ interface->handle = (void *) 1;
+ }
+#else /* not HAVE_FREETYPE */
+ MERROR (MERROR_WIN, NULL);
+#endif /* not HAVE_FREETYPE */
+ }
+ else
{
- if ((*driver->init) () < 0)
+ interface = mplist_get (device_library_list, device);
+ if (! interface)
MERROR (MERROR_WIN, NULL);
- driver->initialized = 1;
- }
+ if (! interface->handle)
+ {
+ if (! (interface->handle = dlopen (interface->library, RTLD_NOW))
+ || ! (interface->init = dlsym (interface->handle, "device_init"))
+ || ! (interface->open = dlsym (interface->handle, "device_open"))
+ || ! (interface->fini = dlsym (interface->handle, "device_fini"))
+ || (*interface->init) () < 0)
+ {
+ fprintf (stderr, "%s\n", (char *) dlerror ());
+ if (interface->handle)
+ dlclose (interface->handle);
+ MERROR (MERROR_WIN, NULL);
+ }
+ }
+ }
M17N_OBJECT (frame, free_frame, MERROR_FRAME);
- if ((*driver->open) (frame, plist) < 0)
+ if ((*interface->open) (frame, plist) < 0)
{
free (frame);
MERROR (MERROR_WIN, NULL);
}
- frame->driver = driver;
if (! mframe_default)
mframe_default = frame;
projects / m17n / m17n-lib.git / blobdiff