-/* Functions for handle font changes dynamically.
- Copyright (C) 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+/* Functions for handling font and other changes dynamically.
+
+Copyright (C) 2009-2014 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-#include "config.h"
-#include <setjmp.h>
+#include <config.h>
+
+#include <float.h>
+#include <limits.h>
#include <fcntl.h>
+
+#include <byteswap.h>
+
#include "lisp.h"
#include "xterm.h"
#include "xsettings.h"
#include "keyboard.h"
#include "blockinput.h"
#include "termhooks.h"
-#include "termopts.h"
#include <X11/Xproto.h>
+#ifdef HAVE_GSETTINGS
+#include <glib-object.h>
+#include <gio/gio.h>
+#endif
+
#ifdef HAVE_GCONF
#include <gconf/gconf-client.h>
#endif
+
#ifdef HAVE_XFT
#include <X11/Xft/Xft.h>
#endif
static char *current_mono_font;
+static char *current_font;
static struct x_display_info *first_dpyinfo;
-static Lisp_Object Qfont_name, Qfont_render;
-static int use_system_font;
-static Lisp_Object Vxft_settings;
-
-
-#ifdef HAVE_GCONF
-static GConfClient *gconf_client;
-#endif
+static Lisp_Object Qmonospace_font_name, Qfont_name, Qfont_render,
+ Qtool_bar_style;
+static Lisp_Object current_tool_bar_style;
+/* Store an config changed event in to the event queue. */
static void
-store_font_changed_event (arg, display_name)
- Lisp_Object arg;
- Lisp_Object display_name;
+store_config_changed_event (Lisp_Object arg, Lisp_Object display_name)
{
struct input_event event;
EVENT_INIT (event);
kbd_buffer_store_event (&event);
}
-#ifdef HAVE_GCONF
+/* Return non-zero if DPYINFO is still valid. */
+static int
+dpyinfo_valid (struct x_display_info *dpyinfo)
+{
+ int found = 0;
+ if (dpyinfo != NULL)
+ {
+ struct x_display_info *d;
+ for (d = x_display_list; !found && d; d = d->next)
+ found = d == dpyinfo && d->display == dpyinfo->display;
+ }
+ return found;
+}
+
+/* Store a monospace font change event if the monospaced font changed. */
+
+#if defined HAVE_XFT && (defined HAVE_GSETTINGS || defined HAVE_GCONF)
+static void
+store_monospaced_changed (const char *newfont)
+{
+ if (current_mono_font != NULL && strcmp (newfont, current_mono_font) == 0)
+ return; /* No change. */
+
+ dupstring (¤t_mono_font, newfont);
-#define SYSTEM_MONO_FONT "/desktop/gnome/interface/monospace_font_name"
+ if (dpyinfo_valid (first_dpyinfo) && use_system_font)
+ {
+ store_config_changed_event (Qmonospace_font_name,
+ XCAR (first_dpyinfo->name_list_element));
+ }
+}
+#endif
-/* Callback called when something changed in GConf that we care about,
- that is SYSTEM_MONO_FONT. */
+/* Store a font name change event if the font name changed. */
+#ifdef HAVE_XFT
static void
-something_changedCB (client, cnxn_id, entry, user_data)
- GConfClient *client;
- guint cnxn_id;
- GConfEntry *entry;
- gpointer user_data;
+store_font_name_changed (const char *newfont)
{
- GConfValue *v = gconf_entry_get_value (entry);
-
- if (!v) return;
- if (v->type == GCONF_VALUE_STRING)
+ if (current_font != NULL && strcmp (newfont, current_font) == 0)
+ return; /* No change. */
+
+ dupstring (¤t_font, newfont);
+
+ if (dpyinfo_valid (first_dpyinfo))
{
- const char *value = gconf_value_get_string (v);
- int i;
- if (current_mono_font != NULL && strcmp (value, current_mono_font) == 0)
- return; /* No change. */
+ store_config_changed_event (Qfont_name,
+ XCAR (first_dpyinfo->name_list_element));
+ }
+}
+#endif /* HAVE_XFT */
+
+/* Map TOOL_BAR_STYLE from a string to its corresponding Lisp value.
+ Return Qnil if TOOL_BAR_STYLE is not known. */
- xfree (current_mono_font);
- current_mono_font = xstrdup (value);
+static Lisp_Object
+map_tool_bar_style (const char *tool_bar_style)
+{
+ Lisp_Object style = Qnil;
+ if (tool_bar_style)
+ {
+ if (strcmp (tool_bar_style, "both") == 0)
+ style = Qboth;
+ else if (strcmp (tool_bar_style, "both-horiz") == 0)
+ style = Qboth_horiz;
+ else if (strcmp (tool_bar_style, "icons") == 0)
+ style = Qimage;
+ else if (strcmp (tool_bar_style, "text") == 0)
+ style = Qtext;
}
+ return style;
+}
+
+/* Store a tool bar style change event if the tool bar style changed. */
+
+static void
+store_tool_bar_style_changed (const char *newstyle,
+ struct x_display_info *dpyinfo)
+{
+ Lisp_Object style = map_tool_bar_style (newstyle);
+ if (EQ (current_tool_bar_style, style))
+ return; /* No change. */
+
+ current_tool_bar_style = style;
+ if (dpyinfo_valid (dpyinfo))
+ store_config_changed_event (Qtool_bar_style,
+ XCAR (dpyinfo->name_list_element));
+}
+
+#ifdef HAVE_XFT
+#define XSETTINGS_FONT_NAME "Gtk/FontName"
+#endif
+#define XSETTINGS_TOOL_BAR_STYLE "Gtk/ToolbarStyle"
+
+enum {
+ SEEN_AA = 0x01,
+ SEEN_HINTING = 0x02,
+ SEEN_RGBA = 0x04,
+ SEEN_LCDFILTER = 0x08,
+ SEEN_HINTSTYLE = 0x10,
+ SEEN_DPI = 0x20,
+ SEEN_FONT = 0x40,
+ SEEN_TB_STYLE = 0x80
+};
+struct xsettings
+{
+#ifdef HAVE_XFT
+ FcBool aa, hinting;
+ int rgba, lcdfilter, hintstyle;
+ double dpi;
+
+ char *font;
+#endif
+
+ char *tb_style;
- if (first_dpyinfo != NULL)
+ unsigned seen;
+};
+
+#ifdef HAVE_GSETTINGS
+#define GSETTINGS_SCHEMA "org.gnome.desktop.interface"
+#define GSETTINGS_TOOL_BAR_STYLE "toolbar-style"
+
+#ifdef HAVE_XFT
+#define GSETTINGS_MONO_FONT "monospace-font-name"
+#define GSETTINGS_FONT_NAME "font-name"
+#endif
+
+
+/* The single GSettings instance, or NULL if not connected to GSettings. */
+
+static GSettings *gsettings_client;
+
+/* Callback called when something changed in GSettings. */
+
+static void
+something_changed_gsettingsCB (GSettings *settings,
+ gchar *key,
+ gpointer user_data)
+{
+ GVariant *val;
+
+ if (strcmp (key, GSETTINGS_TOOL_BAR_STYLE) == 0)
{
- /* Check if display still open */
- struct x_display_info *dpyinfo;
- int found = 0;
- for (dpyinfo = x_display_list; !found && dpyinfo; dpyinfo = dpyinfo->next)
- found = dpyinfo == first_dpyinfo;
-
- if (found && use_system_font)
- store_font_changed_event (Qfont_name,
- XCAR (first_dpyinfo->name_list_element));
+ val = g_settings_get_value (settings, GSETTINGS_TOOL_BAR_STYLE);
+ if (val)
+ {
+ g_variant_ref_sink (val);
+ if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING))
+ {
+ const gchar *newstyle = g_variant_get_string (val, NULL);
+ store_tool_bar_style_changed (newstyle, first_dpyinfo);
+ }
+ g_variant_unref (val);
+ }
+ }
+#ifdef HAVE_XFT
+ else if (strcmp (key, GSETTINGS_MONO_FONT) == 0)
+ {
+ val = g_settings_get_value (settings, GSETTINGS_MONO_FONT);
+ if (val)
+ {
+ g_variant_ref_sink (val);
+ if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING))
+ {
+ const gchar *newfont = g_variant_get_string (val, NULL);
+ store_monospaced_changed (newfont);
+ }
+ g_variant_unref (val);
+ }
+ }
+ else if (strcmp (key, GSETTINGS_FONT_NAME) == 0)
+ {
+ val = g_settings_get_value (settings, GSETTINGS_FONT_NAME);
+ if (val)
+ {
+ g_variant_ref_sink (val);
+ if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING))
+ {
+ const gchar *newfont = g_variant_get_string (val, NULL);
+ store_font_name_changed (newfont);
+ }
+ g_variant_unref (val);
+ }
}
+#endif /* HAVE_XFT */
}
+
+#endif /* HAVE_GSETTINGS */
+
+#ifdef HAVE_GCONF
+#define GCONF_TOOL_BAR_STYLE "/desktop/gnome/interface/toolbar_style"
+#ifdef HAVE_XFT
+#define GCONF_MONO_FONT "/desktop/gnome/interface/monospace_font_name"
+#define GCONF_FONT_NAME "/desktop/gnome/interface/font_name"
+#endif
+
+/* The single GConf instance, or NULL if not connected to GConf. */
+
+static GConfClient *gconf_client;
+
+/* Callback called when something changed in GConf that we care about. */
+
+static void
+something_changed_gconfCB (GConfClient *client,
+ guint cnxn_id,
+ GConfEntry *entry,
+ gpointer user_data)
+{
+ GConfValue *v = gconf_entry_get_value (entry);
+ const char *key = gconf_entry_get_key (entry);
+
+ if (!v || v->type != GCONF_VALUE_STRING || ! key) return;
+ if (strcmp (key, GCONF_TOOL_BAR_STYLE) == 0)
+ {
+ const char *value = gconf_value_get_string (v);
+ store_tool_bar_style_changed (value, first_dpyinfo);
+ }
+#ifdef HAVE_XFT
+ else if (strcmp (key, GCONF_MONO_FONT) == 0)
+ {
+ const char *value = gconf_value_get_string (v);
+ store_monospaced_changed (value);
+ }
+ else if (strcmp (key, GCONF_FONT_NAME) == 0)
+ {
+ const char *value = gconf_value_get_string (v);
+ store_font_name_changed (value);
+ }
+#endif /* HAVE_XFT */
+}
+
#endif /* HAVE_GCONF */
#ifdef HAVE_XFT
#define FC_LCD_FILTER "lcdfilter"
#endif
+#endif /* HAVE_XFT */
+
/* Find the window that contains the XSETTINGS property values. */
static void
-get_prop_window (dpyinfo)
- struct x_display_info *dpyinfo;
+get_prop_window (struct x_display_info *dpyinfo)
{
Display *dpy = dpyinfo->display;
XUngrabServer (dpy);
}
-enum {
- SEEN_AA = 0x01,
- SEEN_HINTING = 0x02,
- SEEN_RGBA = 0x04,
- SEEN_LCDFILTER = 0x08,
- SEEN_HINTSTYLE = 0x10,
- SEEN_DPI = 0x20,
-};
-struct xsettings
-{
- FcBool aa, hinting;
- int rgba, lcdfilter, hintstyle;
- double dpi;
-
- unsigned seen;
-};
-
-#define SWAP32(nr) (((nr) << 24) | (((nr) << 8) & 0xff0000) \
- | (((nr) >> 8) & 0xff00) | ((nr) >> 24))
-#define SWAP16(nr) (((nr) << 8) | ((nr) >> 8))
#define PAD(nr) (((nr) + 3) & ~3)
/* Parse xsettings and extract those that deal with Xft.
4 CARD32 last-change-serial
and then the value, For string:
-
+
bytes type what
------------------------------------
4 CARD32 n = value-length
*/
static int
-parse_xft_settings (prop, bytes, settings)
- unsigned char *prop;
- unsigned long bytes;
- struct xsettings *settings;
+parse_settings (unsigned char *prop,
+ unsigned long bytes,
+ struct xsettings *settings)
{
Lisp_Object byteorder = Fbyteorder ();
int my_bo = XFASTINT (byteorder) == 'B' ? MSBFirst : LSBFirst;
if (bytes < 12) return BadLength;
memcpy (&n_settings, prop+8, 4);
- if (my_bo != that_bo) n_settings = SWAP32 (n_settings);
+ if (my_bo != that_bo) n_settings = bswap_32 (n_settings);
bytes_parsed = 12;
memset (settings, 0, sizeof (*settings));
- while (bytes_parsed+4 < bytes && settings_seen < 6
+ while (bytes_parsed+4 < bytes && settings_seen < 7
&& i < n_settings)
{
int type = prop[bytes_parsed++];
CARD32 vlen, ival = 0;
char name[128]; /* The names we are looking for are not this long. */
char sval[128]; /* The values we are looking for are not this long. */
- int is_xft;
+ int want_this;
int to_cpy;
sval[0] = '\0';
memcpy (&nlen, prop+bytes_parsed, 2);
bytes_parsed += 2;
- if (my_bo != that_bo) nlen = SWAP16 (nlen);
+ if (my_bo != that_bo) nlen = bswap_16 (nlen);
if (bytes_parsed+nlen > bytes) return BadLength;
to_cpy = nlen > 127 ? 127 : nlen;
memcpy (name, prop+bytes_parsed, to_cpy);
bytes_parsed += 4; /* Skip serial for this value */
if (bytes_parsed > bytes) return BadLength;
- is_xft = nlen > 6 && strncmp (name, "Xft/", 4) == 0;
+ want_this =
+#ifdef HAVE_XFT
+ (nlen > 6 && strncmp (name, "Xft/", 4) == 0)
+ || strcmp (XSETTINGS_FONT_NAME, name) == 0
+ ||
+#endif
+ strcmp (XSETTINGS_TOOL_BAR_STYLE, name) == 0;
- switch (type)
+ switch (type)
{
case 0: /* Integer */
if (bytes_parsed+4 > bytes) return BadLength;
- if (is_xft)
+ if (want_this)
{
memcpy (&ival, prop+bytes_parsed, 4);
- if (my_bo != that_bo) ival = SWAP32 (ival);
+ if (my_bo != that_bo) ival = bswap_32 (ival);
}
bytes_parsed += 4;
break;
if (bytes_parsed+4 > bytes) return BadLength;
memcpy (&vlen, prop+bytes_parsed, 4);
bytes_parsed += 4;
- if (my_bo != that_bo) vlen = SWAP32 (vlen);
- if (is_xft)
+ if (my_bo != that_bo) vlen = bswap_32 (vlen);
+ if (want_this)
{
to_cpy = vlen > 127 ? 127 : vlen;
memcpy (sval, prop+bytes_parsed, to_cpy);
case 2: /* RGB value */
/* No need to parse this */
if (bytes_parsed+8 > bytes) return BadLength;
- bytes_parsed += 8; /* 4 values (r, b, g, alpha), 2 bytes each. */
+ bytes_parsed += 8; /* 4 values (r, b, g, alpha), 2 bytes each. */
break;
default: /* Parse Error */
return BadValue;
}
- if (is_xft)
+ if (want_this)
{
++settings_seen;
- if (strcmp (name, "Xft/Antialias") == 0)
+ if (strcmp (name, XSETTINGS_TOOL_BAR_STYLE) == 0)
+ {
+ dupstring (&settings->tb_style, sval);
+ settings->seen |= SEEN_TB_STYLE;
+ }
+#ifdef HAVE_XFT
+ else if (strcmp (name, XSETTINGS_FONT_NAME) == 0)
+ {
+ dupstring (&settings->font, sval);
+ settings->seen |= SEEN_FONT;
+ }
+ else if (strcmp (name, "Xft/Antialias") == 0)
{
settings->seen |= SEEN_AA;
settings->aa = ival != 0;
settings->seen |= SEEN_HINTING;
settings->hinting = ival != 0;
}
+# ifdef FC_HINT_STYLE
else if (strcmp (name, "Xft/HintStyle") == 0)
{
settings->seen |= SEEN_HINTSTYLE;
else
settings->seen &= ~SEEN_HINTSTYLE;
}
+# endif
else if (strcmp (name, "Xft/RGBA") == 0)
{
settings->seen |= SEEN_RGBA;
else
settings->seen &= ~SEEN_LCDFILTER;
}
+#endif /* HAVE_XFT */
}
}
return settings_seen;
}
+/* Read settings from the XSettings property window on display for DPYINFO.
+ Store settings read in SETTINGS.
+ Return non-zero if successful, zero if not. */
+
static int
-read_xft_settings (dpyinfo, settings)
- struct x_display_info *dpyinfo;
- struct xsettings *settings;
+read_settings (struct x_display_info *dpyinfo, struct xsettings *settings)
{
- long long_len;
Atom act_type;
int act_form;
unsigned long nitems, bytes_after;
if (rc == Success && prop != NULL && act_form == 8 && nitems > 0
&& act_type == dpyinfo->Xatom_xsettings_prop)
- rc = parse_xft_settings (prop, nitems, settings);
+ rc = parse_settings (prop, nitems, settings);
XFree (prop);
return rc != 0;
}
+/* Apply Xft settings in SETTINGS to the Xft library.
+ If SEND_EVENT_P is non-zero store a Lisp event that Xft settings changed. */
static void
-apply_xft_settings (dpyinfo, send_event_p)
- struct x_display_info *dpyinfo;
- int send_event_p;
+apply_xft_settings (struct x_display_info *dpyinfo,
+ int send_event_p,
+ struct xsettings *settings)
{
+#ifdef HAVE_XFT
FcPattern *pat;
- struct xsettings settings, oldsettings;
+ struct xsettings oldsettings;
int changed = 0;
- char buf[256];
-
- if (!read_xft_settings (dpyinfo, &settings))
- return;
memset (&oldsettings, 0, sizeof (oldsettings));
- buf[0] = '\0';
pat = FcPatternCreate ();
XftDefaultSubstitute (dpyinfo->display,
XScreenNumberOfScreen (dpyinfo->screen),
pat);
FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa);
FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting);
+#ifdef FC_HINT_STYLE
FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle);
+#endif
FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter);
FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);
- if ((settings.seen & SEEN_AA) != 0 && oldsettings.aa != settings.aa)
+ if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa)
{
FcPatternDel (pat, FC_ANTIALIAS);
- FcPatternAddBool (pat, FC_ANTIALIAS, settings.aa);
+ FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa);
++changed;
- oldsettings.aa = settings.aa;
+ oldsettings.aa = settings->aa;
}
- sprintf (buf, "Antialias: %d", oldsettings.aa);
- if ((settings.seen & SEEN_HINTING) != 0
- && oldsettings.hinting != settings.hinting)
+ if ((settings->seen & SEEN_HINTING) != 0
+ && oldsettings.hinting != settings->hinting)
{
FcPatternDel (pat, FC_HINTING);
- FcPatternAddBool (pat, FC_HINTING, settings.hinting);
+ FcPatternAddBool (pat, FC_HINTING, settings->hinting);
++changed;
- oldsettings.hinting = settings.hinting;
+ oldsettings.hinting = settings->hinting;
}
- if (strlen (buf) > 0) strcat (buf, ", ");
- sprintf (buf+strlen (buf), "Hinting: %d", oldsettings.hinting);
- if ((settings.seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings.rgba)
+ if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba)
{
FcPatternDel (pat, FC_RGBA);
- FcPatternAddInteger (pat, FC_RGBA, settings.rgba);
- oldsettings.rgba = settings.rgba;
+ FcPatternAddInteger (pat, FC_RGBA, settings->rgba);
+ oldsettings.rgba = settings->rgba;
++changed;
}
- if (strlen (buf) > 0) strcat (buf, ", ");
- sprintf (buf+strlen (buf), "RGBA: %d", oldsettings.rgba);
/* Older fontconfig versions don't have FC_LCD_FILTER. */
- if ((settings.seen & SEEN_LCDFILTER) != 0
- && oldsettings.lcdfilter != settings.lcdfilter)
+ if ((settings->seen & SEEN_LCDFILTER) != 0
+ && oldsettings.lcdfilter != settings->lcdfilter)
{
FcPatternDel (pat, FC_LCD_FILTER);
- FcPatternAddInteger (pat, FC_LCD_FILTER, settings.lcdfilter);
+ FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter);
++changed;
- oldsettings.lcdfilter = settings.lcdfilter;
+ oldsettings.lcdfilter = settings->lcdfilter;
}
- if (strlen (buf) > 0) strcat (buf, ", ");
- sprintf (buf+strlen (buf), "LCDFilter: %d", oldsettings.lcdfilter);
- if ((settings.seen & SEEN_HINTSTYLE) != 0
- && oldsettings.hintstyle != settings.hintstyle)
+#ifdef FC_HINT_STYLE
+ if ((settings->seen & SEEN_HINTSTYLE) != 0
+ && oldsettings.hintstyle != settings->hintstyle)
{
FcPatternDel (pat, FC_HINT_STYLE);
- FcPatternAddInteger (pat, FC_HINT_STYLE, settings.hintstyle);
+ FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle);
++changed;
- oldsettings.hintstyle = settings.hintstyle;
+ oldsettings.hintstyle = settings->hintstyle;
}
- if (strlen (buf) > 0) strcat (buf, ", ");
- sprintf (buf+strlen (buf), "Hintstyle: %d", oldsettings.hintstyle);
+#endif
- if ((settings.seen & SEEN_DPI) != 0 && oldsettings.dpi != settings.dpi
- && settings.dpi > 0)
+ if ((settings->seen & SEEN_DPI) != 0 && oldsettings.dpi != settings->dpi
+ && settings->dpi > 0)
{
- Lisp_Object frame, tail;
-
FcPatternDel (pat, FC_DPI);
- FcPatternAddDouble (pat, FC_DPI, settings.dpi);
+ FcPatternAddDouble (pat, FC_DPI, settings->dpi);
++changed;
- oldsettings.dpi = settings.dpi;
-
- /* Change the DPI on this display and all frames on the display. */
- dpyinfo->resy = dpyinfo->resx = settings.dpi;
- FOR_EACH_FRAME (tail, frame)
- if (FRAME_X_P (XFRAME (frame))
- && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo)
- XFRAME (frame)->resy = XFRAME (frame)->resx = settings.dpi;
- }
+ oldsettings.dpi = settings->dpi;
- if (strlen (buf) > 0) strcat (buf, ", ");
- sprintf (buf+strlen (buf), "DPI: %lf", oldsettings.dpi);
+ /* Changing the DPI on this display affects all frames on it.
+ Check FRAME_RES_X and FRAME_RES_Y in frame.h to see how. */
+ dpyinfo->resy = dpyinfo->resx = settings->dpi;
+ }
if (changed)
{
+ static char const format[] =
+ "Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, "
+ "Hintstyle: %d, DPI: %f";
+ enum
+ {
+ d_formats = 5,
+ d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d",
+ lf_formats = 1,
+ max_f_integer_digits = DBL_MAX_10_EXP + 1,
+ f_precision = 6,
+ lf_growth = (sizeof "-." + max_f_integer_digits + f_precision
+ - sizeof "%f")
+ };
+ char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth];
+
XftDefaultSet (dpyinfo->display, pat);
if (send_event_p)
- store_font_changed_event (Qfont_render,
- XCAR (dpyinfo->name_list_element));
- Vxft_settings = make_string (buf, strlen (buf));
+ store_config_changed_event (Qfont_render,
+ XCAR (dpyinfo->name_list_element));
+ Vxft_settings
+ = make_formatted_string (buf, format,
+ oldsettings.aa, oldsettings.hinting,
+ oldsettings.rgba, oldsettings.lcdfilter,
+ oldsettings.hintstyle, oldsettings.dpi);
+
}
else
FcPatternDestroy (pat);
+#endif /* HAVE_XFT */
}
-#endif /* HAVE_XFT */
+/* Read XSettings from the display for DPYINFO.
+ If SEND_EVENT_P is non-zero store a Lisp event settings that changed. */
-void
-xft_settings_event (dpyinfo, event)
- struct x_display_info *dpyinfo;
- XEvent *event;
+static void
+read_and_apply_settings (struct x_display_info *dpyinfo, int send_event_p)
{
+ struct xsettings settings;
+
+ if (!read_settings (dpyinfo, &settings))
+ return;
+
+ apply_xft_settings (dpyinfo, True, &settings);
+ if (settings.seen & SEEN_TB_STYLE)
+ {
+ if (send_event_p)
+ store_tool_bar_style_changed (settings.tb_style, dpyinfo);
+ else
+ current_tool_bar_style = map_tool_bar_style (settings.tb_style);
+ xfree (settings.tb_style);
+ }
#ifdef HAVE_XFT
- int check_window_p = 0;
+ if (settings.seen & SEEN_FONT)
+ {
+ if (send_event_p)
+ store_font_name_changed (settings.font);
+ else
+ dupstring (¤t_font, settings.font);
+ xfree (settings.font);
+ }
+#endif
+}
+
+/* Check if EVENT for the display in DPYINFO is XSettings related. */
+
+void
+xft_settings_event (struct x_display_info *dpyinfo, const XEvent *event)
+{
+ bool check_window_p = 0, apply_settings_p = 0;
switch (event->type)
{
if (event->xproperty.window == dpyinfo->xsettings_window
&& event->xproperty.state == PropertyNewValue
&& event->xproperty.atom == dpyinfo->Xatom_xsettings_prop)
- {
- apply_xft_settings (dpyinfo, True);
- }
+ apply_settings_p = 1;
break;
}
+
if (check_window_p)
{
dpyinfo->xsettings_window = None;
get_prop_window (dpyinfo);
if (dpyinfo->xsettings_window != None)
- apply_xft_settings (dpyinfo, True);
+ apply_settings_p = 1;
+ }
+
+ if (apply_settings_p)
+ read_and_apply_settings (dpyinfo, True);
+}
+
+/* Initialize GSettings and read startup values. */
+
+static void
+init_gsettings (void)
+{
+#ifdef HAVE_GSETTINGS
+ GVariant *val;
+ int schema_found = 0;
+
+#if ! GLIB_CHECK_VERSION (2, 36, 0)
+ g_type_init ();
+#endif
+
+#if GLIB_CHECK_VERSION (2, 32, 0)
+ {
+ GSettingsSchema *sc = g_settings_schema_source_lookup
+ (g_settings_schema_source_get_default (),
+ GSETTINGS_SCHEMA,
+ TRUE);
+ schema_found = sc != NULL;
+ if (sc) g_settings_schema_unref (sc);
+ }
+#else
+ {
+ const gchar *const *schemas = g_settings_list_schemas ();
+ if (schemas == NULL) return;
+ while (! schema_found && *schemas != NULL)
+ schema_found = strcmp (*schemas++, GSETTINGS_SCHEMA) == 0;
+ }
+#endif
+ if (!schema_found) return;
+
+ gsettings_client = g_settings_new (GSETTINGS_SCHEMA);
+ if (!gsettings_client) return;
+ g_object_ref_sink (G_OBJECT (gsettings_client));
+ g_signal_connect (G_OBJECT (gsettings_client), "changed",
+ G_CALLBACK (something_changed_gsettingsCB), NULL);
+
+ val = g_settings_get_value (gsettings_client, GSETTINGS_TOOL_BAR_STYLE);
+ if (val)
+ {
+ g_variant_ref_sink (val);
+ if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING))
+ current_tool_bar_style
+ = map_tool_bar_style (g_variant_get_string (val, NULL));
+ g_variant_unref (val);
+ }
+
+#ifdef HAVE_XFT
+ val = g_settings_get_value (gsettings_client, GSETTINGS_MONO_FONT);
+ if (val)
+ {
+ g_variant_ref_sink (val);
+ if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING))
+ dupstring (¤t_mono_font, g_variant_get_string (val, NULL));
+ g_variant_unref (val);
+ }
+
+ val = g_settings_get_value (gsettings_client, GSETTINGS_FONT_NAME);
+ if (val)
+ {
+ g_variant_ref_sink (val);
+ if (g_variant_is_of_type (val, G_VARIANT_TYPE_STRING))
+ dupstring (¤t_font, g_variant_get_string (val, NULL));
+ g_variant_unref (val);
}
#endif /* HAVE_XFT */
+
+#endif /* HAVE_GSETTINGS */
}
+/* Init GConf and read startup values. */
static void
-init_gconf ()
+init_gconf (void)
{
-#if defined (HAVE_GCONF) && defined (HAVE_XFT)
- int i;
+#if defined (HAVE_GCONF)
char *s;
-#ifdef HAVE_G_TYPE_INIT
+#if ! GLIB_CHECK_VERSION (2, 36, 0)
g_type_init ();
#endif
+
gconf_client = gconf_client_get_default ();
- s = gconf_client_get_string (gconf_client, SYSTEM_MONO_FONT, NULL);
+ gconf_client_set_error_handling (gconf_client, GCONF_CLIENT_HANDLE_NONE);
+ gconf_client_add_dir (gconf_client,
+ GCONF_TOOL_BAR_STYLE,
+ GCONF_CLIENT_PRELOAD_ONELEVEL,
+ NULL);
+ gconf_client_notify_add (gconf_client,
+ GCONF_TOOL_BAR_STYLE,
+ something_changed_gconfCB,
+ NULL, NULL, NULL);
+
+ s = gconf_client_get_string (gconf_client, GCONF_TOOL_BAR_STYLE, NULL);
if (s)
{
- current_mono_font = xstrdup (s);
+ current_tool_bar_style = map_tool_bar_style (s);
+ g_free (s);
+ }
+
+#ifdef HAVE_XFT
+ s = gconf_client_get_string (gconf_client, GCONF_MONO_FONT, NULL);
+ if (s)
+ {
+ dupstring (¤t_mono_font, s);
+ g_free (s);
+ }
+ s = gconf_client_get_string (gconf_client, GCONF_FONT_NAME, NULL);
+ if (s)
+ {
+ dupstring (¤t_font, s);
g_free (s);
}
- gconf_client_set_error_handling (gconf_client, GCONF_CLIENT_HANDLE_NONE);
gconf_client_add_dir (gconf_client,
- SYSTEM_MONO_FONT,
+ GCONF_MONO_FONT,
GCONF_CLIENT_PRELOAD_ONELEVEL,
NULL);
gconf_client_notify_add (gconf_client,
- SYSTEM_MONO_FONT,
- something_changedCB,
+ GCONF_MONO_FONT,
+ something_changed_gconfCB,
NULL, NULL, NULL);
-#endif /* HAVE_GCONF && HAVE_XFT */
+ gconf_client_add_dir (gconf_client,
+ GCONF_FONT_NAME,
+ GCONF_CLIENT_PRELOAD_ONELEVEL,
+ NULL);
+ gconf_client_notify_add (gconf_client,
+ GCONF_FONT_NAME,
+ something_changed_gconfCB,
+ NULL, NULL, NULL);
+#endif /* HAVE_XFT */
+#endif /* HAVE_GCONF */
}
+/* Init Xsettings and read startup values. */
+
static void
-init_xfd_settings (dpyinfo)
- struct x_display_info *dpyinfo;
+init_xsettings (struct x_display_info *dpyinfo)
{
-#ifdef HAVE_XFT
- char sel[64];
Display *dpy = dpyinfo->display;
- BLOCK_INPUT;
-
- sprintf (sel, "_XSETTINGS_S%d", XScreenNumberOfScreen (dpyinfo->screen));
- dpyinfo->Xatom_xsettings_sel = XInternAtom (dpy, sel, False);
- dpyinfo->Xatom_xsettings_prop = XInternAtom (dpy,
- "_XSETTINGS_SETTINGS",
- False);
- dpyinfo->Xatom_xsettings_mgr = XInternAtom (dpy, "MANAGER", False);
+ block_input ();
/* Select events so we can detect client messages sent when selection
owner changes. */
get_prop_window (dpyinfo);
if (dpyinfo->xsettings_window != None)
- apply_xft_settings (dpyinfo, False);
-
- UNBLOCK_INPUT;
-
-#else /* ! HAVE_XFT */
-
- dpyinfo->Xatom_xsettings_sel = None;
- dpyinfo->Xatom_xsettings_prop = None;
- dpyinfo->Xatom_xsettings_mgr = None;
- dpyinfo->xsettings_window = None;
+ read_and_apply_settings (dpyinfo, False);
-#endif /* ! HAVE_XFT */
+ unblock_input ();
}
void
-xsettings_initialize (dpyinfo)
- struct x_display_info *dpyinfo;
+xsettings_initialize (struct x_display_info *dpyinfo)
{
if (first_dpyinfo == NULL) first_dpyinfo = dpyinfo;
init_gconf ();
- init_xfd_settings (dpyinfo);
+ init_xsettings (dpyinfo);
+ init_gsettings ();
}
+/* Return the system monospaced font.
+ May be NULL if not known. */
+
const char *
-xsettings_get_system_font ()
+xsettings_get_system_font (void)
{
return current_mono_font;
}
+#ifdef USE_LUCID
+/* Return the system font.
+ May be NULL if not known. */
+
+const char *
+xsettings_get_system_normal_font (void)
+{
+ return current_font;
+}
+#endif
+
+DEFUN ("font-get-system-normal-font", Ffont_get_system_normal_font,
+ Sfont_get_system_normal_font,
+ 0, 0, 0,
+ doc: /* Get the system default application font. */)
+ (void)
+{
+ return current_font ? build_string (current_font) : Qnil;
+}
+
DEFUN ("font-get-system-font", Ffont_get_system_font, Sfont_get_system_font,
0, 0, 0,
- doc: /* Get the system default monospaced font. */)
- ()
+ doc: /* Get the system default fixed width font. */)
+ (void)
+{
+ return current_mono_font ? build_string (current_mono_font) : Qnil;
+}
+
+DEFUN ("tool-bar-get-system-style", Ftool_bar_get_system_style,
+ Stool_bar_get_system_style, 0, 0, 0,
+ doc: /* Get the system tool bar style.
+If no system tool bar style is known, return `tool-bar-style' if set to a
+known style. Otherwise return image. */)
+ (void)
{
- return current_mono_font && use_system_font
- ? make_string (current_mono_font, strlen (current_mono_font))
- : Qnil;
+ if (EQ (Vtool_bar_style, Qimage)
+ || EQ (Vtool_bar_style, Qtext)
+ || EQ (Vtool_bar_style, Qboth)
+ || EQ (Vtool_bar_style, Qboth_horiz)
+ || EQ (Vtool_bar_style, Qtext_image_horiz))
+ return Vtool_bar_style;
+ if (!NILP (current_tool_bar_style))
+ return current_tool_bar_style;
+ return Qimage;
}
void
-syms_of_xsettings ()
+syms_of_xsettings (void)
{
+#include "xsettings.x"
+
current_mono_font = NULL;
+ current_font = NULL;
first_dpyinfo = NULL;
+#ifdef HAVE_GSETTINGS
+ gsettings_client = NULL;
+#endif
#ifdef HAVE_GCONF
gconf_client = NULL;
#endif
- Qfont_name = intern_c_string ("font-name");
- staticpro (&Qfont_name);
- Qfont_render = intern_c_string ("font-render");
- staticpro (&Qfont_render);
- defsubr (&Sfont_get_system_font);
+ DEFSYM (Qmonospace_font_name, "monospace-font-name");
+ DEFSYM (Qfont_name, "font-name");
+ DEFSYM (Qfont_render, "font-render");
- DEFVAR_BOOL ("font-use-system-font", &use_system_font,
- doc: /* *Non-nil means to use the system defined font. */);
+ DEFVAR_BOOL ("font-use-system-font", use_system_font,
+ doc: /* Non-nil means to apply the system defined font dynamically.
+When this is non-nil and the system defined fixed width font changes, we
+update frames dynamically.
+If this variable is nil, Emacs ignores system font changes. */);
use_system_font = 0;
- DEFVAR_LISP ("xft-settings", &Vxft_settings,
+ DEFVAR_LISP ("xft-settings", Vxft_settings,
doc: /* Font settings applied to Xft. */);
- Vxft_settings = make_string ("", 0);
+ Vxft_settings = empty_unibyte_string;
#ifdef HAVE_XFT
Fprovide (intern_c_string ("font-render-setting"), Qnil);
-#ifdef HAVE_GCONF
+#if defined (HAVE_GCONF) || defined (HAVE_GSETTINGS)
Fprovide (intern_c_string ("system-font-setting"), Qnil);
#endif
#endif
-}
-/* arch-tag: 541716ed-2e6b-42e1-8212-3197e01ea61d
- (do not change this comment) */
+ current_tool_bar_style = Qnil;
+ DEFSYM (Qtool_bar_style, "tool-bar-style");
+
+ Fprovide (intern_c_string ("dynamic-setting"), Qnil);
+}