From c91bbd18ccf00b87d0e99029235f120b1b7839d6 Mon Sep 17 00:00:00 2001 From: Marco Pesenti Gritti Date: Wed, 20 Jun 2007 13:22:12 +0000 Subject: Move SugarKeyGrabber in the lib. Keep it private. We can't install libraries in datadir. --- (limited to 'lib') diff --git a/lib/.gitignore b/lib/.gitignore new file mode 100644 index 0000000..26353e1 --- /dev/null +++ b/lib/.gitignore @@ -0,0 +1 @@ +sugar-marshal.* diff --git a/lib/Makefile.am b/lib/Makefile.am index cd0d457..2ade166 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -10,7 +10,40 @@ libsugar_la_LIBADD = \ $(top_builddir)/lib/xdgmime/libxdgmime.la libsugar_la_SOURCES = \ + $(BUILT_SOURCES) \ + eggaccelerators.c \ + eggaccelerators.h \ sugar-address-entry.c \ sugar-address-entry.h \ + sugar-key-grabber.c \ + sugar-key-grabber.h \ sugar-x11-util.c \ sugar-x11-util.h + +BUILT_SOURCES = \ + sugar-marshal.c \ + sugar-marshal.h + +stamp_files = \ + stamp-sugar-marshal.c \ + stamp-sugar-marshal.h + +sugar-marshal.c: stamp-sugar-marshal.c + @true +stamp-sugar-marshal.c: sugar-marshal.list + $(GLIB_GENMARSHAL) --prefix=sugar_marshal \ + $(srcdir)/sugar-marshal.list --header --body > \ + sugar-marshal.c && echo timestamp > $(@F) + +sugar-marshal.h: stamp-sugar-marshal.h + @true +stamp-sugar-marshal.h: sugar-marshal.list + $(GLIB_GENMARSHAL) --prefix=sugar_marshal \ + $(srcdir)/sugar-marshal.list --header > \ + sugar-marshal.h && echo timestamp > $(@F) + +CLEANFILES = $(stamp_files) $(BUILT_SOURCES) +DISTCLEANFILES = $(stamp_files) $(BUILT_SOURCES) +MAINTAINERCLEANFILES = $(stamp_files) $(BUILT_SOURCES) + +EXTRA_DIST = sugar-marshal.list diff --git a/lib/eggaccelerators.c b/lib/eggaccelerators.c new file mode 100644 index 0000000..0a39d51 --- /dev/null +++ b/lib/eggaccelerators.c @@ -0,0 +1,702 @@ +/* eggaccelerators.c + * Copyright (C) 2002 Red Hat, Inc.; Copyright 1998, 2001 Tim Janik + * Developed by Havoc Pennington, Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "eggaccelerators.h" + +#include +#include +#include +#include + +enum +{ + EGG_MODMAP_ENTRY_SHIFT = 0, + EGG_MODMAP_ENTRY_LOCK = 1, + EGG_MODMAP_ENTRY_CONTROL = 2, + EGG_MODMAP_ENTRY_MOD1 = 3, + EGG_MODMAP_ENTRY_MOD2 = 4, + EGG_MODMAP_ENTRY_MOD3 = 5, + EGG_MODMAP_ENTRY_MOD4 = 6, + EGG_MODMAP_ENTRY_MOD5 = 7, + EGG_MODMAP_ENTRY_LAST = 8 +}; + +#define MODMAP_ENTRY_TO_MODIFIER(x) (1 << (x)) + +typedef struct +{ + EggVirtualModifierType mapping[EGG_MODMAP_ENTRY_LAST]; + +} EggModmap; + +const EggModmap* egg_keymap_get_modmap (GdkKeymap *keymap); + +static inline gboolean +is_alt (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'a' || string[1] == 'A') && + (string[2] == 'l' || string[2] == 'L') && + (string[3] == 't' || string[3] == 'T') && + (string[4] == '>')); +} + +static inline gboolean +is_ctl (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'c' || string[1] == 'C') && + (string[2] == 't' || string[2] == 'T') && + (string[3] == 'l' || string[3] == 'L') && + (string[4] == '>')); +} + +static inline gboolean +is_modx (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'm' || string[1] == 'M') && + (string[2] == 'o' || string[2] == 'O') && + (string[3] == 'd' || string[3] == 'D') && + (string[4] >= '1' && string[4] <= '5') && + (string[5] == '>')); +} + +static inline gboolean +is_ctrl (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'c' || string[1] == 'C') && + (string[2] == 't' || string[2] == 'T') && + (string[3] == 'r' || string[3] == 'R') && + (string[4] == 'l' || string[4] == 'L') && + (string[5] == '>')); +} + +static inline gboolean +is_shft (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 's' || string[1] == 'S') && + (string[2] == 'h' || string[2] == 'H') && + (string[3] == 'f' || string[3] == 'F') && + (string[4] == 't' || string[4] == 'T') && + (string[5] == '>')); +} + +static inline gboolean +is_shift (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 's' || string[1] == 'S') && + (string[2] == 'h' || string[2] == 'H') && + (string[3] == 'i' || string[3] == 'I') && + (string[4] == 'f' || string[4] == 'F') && + (string[5] == 't' || string[5] == 'T') && + (string[6] == '>')); +} + +static inline gboolean +is_control (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'c' || string[1] == 'C') && + (string[2] == 'o' || string[2] == 'O') && + (string[3] == 'n' || string[3] == 'N') && + (string[4] == 't' || string[4] == 'T') && + (string[5] == 'r' || string[5] == 'R') && + (string[6] == 'o' || string[6] == 'O') && + (string[7] == 'l' || string[7] == 'L') && + (string[8] == '>')); +} + +static inline gboolean +is_release (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'r' || string[1] == 'R') && + (string[2] == 'e' || string[2] == 'E') && + (string[3] == 'l' || string[3] == 'L') && + (string[4] == 'e' || string[4] == 'E') && + (string[5] == 'a' || string[5] == 'A') && + (string[6] == 's' || string[6] == 'S') && + (string[7] == 'e' || string[7] == 'E') && + (string[8] == '>')); +} + +static inline gboolean +is_meta (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'm' || string[1] == 'M') && + (string[2] == 'e' || string[2] == 'E') && + (string[3] == 't' || string[3] == 'T') && + (string[4] == 'a' || string[4] == 'A') && + (string[5] == '>')); +} + +static inline gboolean +is_super (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 's' || string[1] == 'S') && + (string[2] == 'u' || string[2] == 'U') && + (string[3] == 'p' || string[3] == 'P') && + (string[4] == 'e' || string[4] == 'E') && + (string[5] == 'r' || string[5] == 'R') && + (string[6] == '>')); +} + +static inline gboolean +is_hyper (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'h' || string[1] == 'H') && + (string[2] == 'y' || string[2] == 'Y') && + (string[3] == 'p' || string[3] == 'P') && + (string[4] == 'e' || string[4] == 'E') && + (string[5] == 'r' || string[5] == 'R') && + (string[6] == '>')); +} + +static inline gboolean +is_keycode (const gchar *string) +{ + return ((string[0] == '0') && + (string[1] == 'x')); +} + +/** + * egg_accelerator_parse_virtual: + * @accelerator: string representing an accelerator + * @accelerator_key: return location for accelerator keyval + * @accelerator_mods: return location for accelerator modifier mask + * + * Parses a string representing a virtual accelerator. The format + * looks like "<Control>a" or "<Shift><Alt>F1" or + * "<Release>z" (the last one is for key release). The parser + * is fairly liberal and allows lower or upper case, and also + * abbreviations such as "<Ctl>" and "<Ctrl>". + * + * If the parse fails, @accelerator_key and @accelerator_mods will + * be set to 0 (zero) and %FALSE will be returned. If the string contains + * only modifiers, @accelerator_key will be set to 0 but %TRUE will be + * returned. + * + * The virtual vs. concrete accelerator distinction is a relic of + * how the X Window System works; there are modifiers Mod2-Mod5 that + * can represent various keyboard keys (numlock, meta, hyper, etc.), + * the virtual modifier represents the keyboard key, the concrete + * modifier the actual Mod2-Mod5 bits in the key press event. + * + * Returns: %TRUE on success. + */ +gboolean +egg_accelerator_parse_virtual (const gchar *accelerator, + guint *accelerator_key, + guint *keycode, + EggVirtualModifierType *accelerator_mods) +{ + guint keyval; + GdkModifierType mods; + gint len; + gboolean bad_keyval; + + if (accelerator_key) + *accelerator_key = 0; + if (accelerator_mods) + *accelerator_mods = 0; + if (keycode) + *keycode = 0; + + g_return_val_if_fail (accelerator != NULL, FALSE); + + bad_keyval = FALSE; + + keyval = 0; + mods = 0; + len = strlen (accelerator); + while (len) + { + if (*accelerator == '<') + { + if (len >= 9 && is_release (accelerator)) + { + accelerator += 9; + len -= 9; + mods |= EGG_VIRTUAL_RELEASE_MASK; + } + else if (len >= 9 && is_control (accelerator)) + { + accelerator += 9; + len -= 9; + mods |= EGG_VIRTUAL_CONTROL_MASK; + } + else if (len >= 7 && is_shift (accelerator)) + { + accelerator += 7; + len -= 7; + mods |= EGG_VIRTUAL_SHIFT_MASK; + } + else if (len >= 6 && is_shft (accelerator)) + { + accelerator += 6; + len -= 6; + mods |= EGG_VIRTUAL_SHIFT_MASK; + } + else if (len >= 6 && is_ctrl (accelerator)) + { + accelerator += 6; + len -= 6; + mods |= EGG_VIRTUAL_CONTROL_MASK; + } + else if (len >= 6 && is_modx (accelerator)) + { + static const guint mod_vals[] = { + EGG_VIRTUAL_ALT_MASK, EGG_VIRTUAL_MOD2_MASK, EGG_VIRTUAL_MOD3_MASK, + EGG_VIRTUAL_MOD4_MASK, EGG_VIRTUAL_MOD5_MASK + }; + + len -= 6; + accelerator += 4; + mods |= mod_vals[*accelerator - '1']; + accelerator += 2; + } + else if (len >= 5 && is_ctl (accelerator)) + { + accelerator += 5; + len -= 5; + mods |= EGG_VIRTUAL_CONTROL_MASK; + } + else if (len >= 5 && is_alt (accelerator)) + { + accelerator += 5; + len -= 5; + mods |= EGG_VIRTUAL_ALT_MASK; + } + else if (len >= 6 && is_meta (accelerator)) + { + accelerator += 6; + len -= 6; + mods |= EGG_VIRTUAL_META_MASK; + } + else if (len >= 7 && is_hyper (accelerator)) + { + accelerator += 7; + len -= 7; + mods |= EGG_VIRTUAL_HYPER_MASK; + } + else if (len >= 7 && is_super (accelerator)) + { + accelerator += 7; + len -= 7; + mods |= EGG_VIRTUAL_SUPER_MASK; + } + else + { + gchar last_ch; + + last_ch = *accelerator; + while (last_ch && last_ch != '>') + { + last_ch = *accelerator; + accelerator += 1; + len -= 1; + } + } + } + else + { + keyval = gdk_keyval_from_name (accelerator); + + if (keyval == 0) + { + /* If keyval is 0, than maybe it's a keycode. Check for 0x## */ + if (len >= 4 && is_keycode (accelerator)) + { + char keystring[5]; + gchar *endptr; + gint tmp_keycode; + + memcpy (keystring, accelerator, 4); + keystring [4] = '\000'; + + tmp_keycode = strtol (keystring, &endptr, 16); + + if (endptr == NULL || *endptr != '\000') + { + bad_keyval = TRUE; + } + else if (keycode != NULL) + { + *keycode = tmp_keycode; + /* 0x00 is an invalid keycode too. */ + if (*keycode == 0) + bad_keyval = TRUE; + } + } + } else if (keycode != NULL) + *keycode = XKeysymToKeycode (GDK_DISPLAY(), keyval); + + accelerator += len; + len -= len; + } + } + + if (accelerator_key) + *accelerator_key = gdk_keyval_to_lower (keyval); + if (accelerator_mods) + *accelerator_mods = mods; + + return !bad_keyval; +} + + +/** + * egg_virtual_accelerator_name: + * @accelerator_key: accelerator keyval + * @accelerator_mods: accelerator modifier mask + * @returns: a newly-allocated accelerator name + * + * Converts an accelerator keyval and modifier mask + * into a string parseable by egg_accelerator_parse_virtual(). + * For example, if you pass in #GDK_q and #EGG_VIRTUAL_CONTROL_MASK, + * this function returns "<Control>q". + * + * The caller of this function must free the returned string. + */ +gchar* +egg_virtual_accelerator_name (guint accelerator_key, + guint keycode, + EggVirtualModifierType accelerator_mods) +{ + static const gchar text_release[] = ""; + static const gchar text_shift[] = ""; + static const gchar text_control[] = ""; + static const gchar text_mod1[] = ""; + static const gchar text_mod2[] = ""; + static const gchar text_mod3[] = ""; + static const gchar text_mod4[] = ""; + static const gchar text_mod5[] = ""; + static const gchar text_meta[] = ""; + static const gchar text_super[] = ""; + static const gchar text_hyper[] = ""; + guint l; + gchar *keyval_name; + gchar *accelerator; + + accelerator_mods &= EGG_VIRTUAL_MODIFIER_MASK; + + if (!accelerator_key) + { + keyval_name = g_strdup_printf ("0x%02x", keycode); + } + else + { + keyval_name = gdk_keyval_name (gdk_keyval_to_lower (accelerator_key)); + if (!keyval_name) + keyval_name = ""; + } + + l = 0; + if (accelerator_mods & EGG_VIRTUAL_RELEASE_MASK) + l += sizeof (text_release) - 1; + if (accelerator_mods & EGG_VIRTUAL_SHIFT_MASK) + l += sizeof (text_shift) - 1; + if (accelerator_mods & EGG_VIRTUAL_CONTROL_MASK) + l += sizeof (text_control) - 1; + if (accelerator_mods & EGG_VIRTUAL_ALT_MASK) + l += sizeof (text_mod1) - 1; + if (accelerator_mods & EGG_VIRTUAL_MOD2_MASK) + l += sizeof (text_mod2) - 1; + if (accelerator_mods & EGG_VIRTUAL_MOD3_MASK) + l += sizeof (text_mod3) - 1; + if (accelerator_mods & EGG_VIRTUAL_MOD4_MASK) + l += sizeof (text_mod4) - 1; + if (accelerator_mods & EGG_VIRTUAL_MOD5_MASK) + l += sizeof (text_mod5) - 1; + if (accelerator_mods & EGG_VIRTUAL_META_MASK) + l += sizeof (text_meta) - 1; + if (accelerator_mods & EGG_VIRTUAL_HYPER_MASK) + l += sizeof (text_hyper) - 1; + if (accelerator_mods & EGG_VIRTUAL_SUPER_MASK) + l += sizeof (text_super) - 1; + l += strlen (keyval_name); + + accelerator = g_new (gchar, l + 1); + + l = 0; + accelerator[l] = 0; + if (accelerator_mods & EGG_VIRTUAL_RELEASE_MASK) + { + strcpy (accelerator + l, text_release); + l += sizeof (text_release) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_SHIFT_MASK) + { + strcpy (accelerator + l, text_shift); + l += sizeof (text_shift) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_CONTROL_MASK) + { + strcpy (accelerator + l, text_control); + l += sizeof (text_control) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_ALT_MASK) + { + strcpy (accelerator + l, text_mod1); + l += sizeof (text_mod1) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_MOD2_MASK) + { + strcpy (accelerator + l, text_mod2); + l += sizeof (text_mod2) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_MOD3_MASK) + { + strcpy (accelerator + l, text_mod3); + l += sizeof (text_mod3) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_MOD4_MASK) + { + strcpy (accelerator + l, text_mod4); + l += sizeof (text_mod4) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_MOD5_MASK) + { + strcpy (accelerator + l, text_mod5); + l += sizeof (text_mod5) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_META_MASK) + { + strcpy (accelerator + l, text_meta); + l += sizeof (text_meta) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_HYPER_MASK) + { + strcpy (accelerator + l, text_hyper); + l += sizeof (text_hyper) - 1; + } + if (accelerator_mods & EGG_VIRTUAL_SUPER_MASK) + { + strcpy (accelerator + l, text_super); + l += sizeof (text_super) - 1; + } + + strcpy (accelerator + l, keyval_name); + + return accelerator; +} + +void +egg_keymap_resolve_virtual_modifiers (GdkKeymap *keymap, + EggVirtualModifierType virtual_mods, + GdkModifierType *concrete_mods) +{ + GdkModifierType concrete; + int i; + const EggModmap *modmap; + + g_return_if_fail (GDK_IS_KEYMAP (keymap)); + g_return_if_fail (concrete_mods != NULL); + + modmap = egg_keymap_get_modmap (keymap); + + /* Not so sure about this algorithm. */ + + concrete = 0; + i = 0; + while (i < EGG_MODMAP_ENTRY_LAST) + { + if (modmap->mapping[i] & virtual_mods) + concrete |= (1 << i); + + ++i; + } + + *concrete_mods = concrete; +} + +void +egg_keymap_virtualize_modifiers (GdkKeymap *keymap, + GdkModifierType concrete_mods, + EggVirtualModifierType *virtual_mods) +{ + GdkModifierType virtual; + int i; + const EggModmap *modmap; + + g_return_if_fail (GDK_IS_KEYMAP (keymap)); + g_return_if_fail (virtual_mods != NULL); + + modmap = egg_keymap_get_modmap (keymap); + + /* Not so sure about this algorithm. */ + + virtual = 0; + i = 0; + while (i < EGG_MODMAP_ENTRY_LAST) + { + if ((1 << i) & concrete_mods) + { + EggVirtualModifierType cleaned; + + cleaned = modmap->mapping[i] & ~(EGG_VIRTUAL_MOD2_MASK | + EGG_VIRTUAL_MOD3_MASK | + EGG_VIRTUAL_MOD4_MASK | + EGG_VIRTUAL_MOD5_MASK); + + if (cleaned != 0) + { + virtual |= cleaned; + } + else + { + /* Rather than dropping mod2->mod5 if not bound, + * go ahead and use the concrete names + */ + virtual |= modmap->mapping[i]; + } + } + + ++i; + } + + *virtual_mods = virtual; +} + +static void +reload_modmap (GdkKeymap *keymap, + EggModmap *modmap) +{ + XModifierKeymap *xmodmap; + int map_size; + int i; + + /* FIXME multihead */ + xmodmap = XGetModifierMapping (gdk_x11_get_default_xdisplay ()); + + memset (modmap->mapping, 0, sizeof (modmap->mapping)); + + /* there are 8 modifiers, and the first 3 are shift, shift lock, + * and control + */ + map_size = 8 * xmodmap->max_keypermod; + i = 3 * xmodmap->max_keypermod; + while (i < map_size) + { + /* get the key code at this point in the map, + * see if its keysym is one we're interested in + */ + int keycode = xmodmap->modifiermap[i]; + GdkKeymapKey *keys; + guint *keyvals; + int n_entries; + int j; + EggVirtualModifierType mask; + + keys = NULL; + keyvals = NULL; + n_entries = 0; + + gdk_keymap_get_entries_for_keycode (keymap, + keycode, + &keys, &keyvals, &n_entries); + + mask = 0; + j = 0; + while (j < n_entries) + { + if (keyvals[j] == GDK_Num_Lock) + mask |= EGG_VIRTUAL_NUM_LOCK_MASK; + else if (keyvals[j] == GDK_Scroll_Lock) + mask |= EGG_VIRTUAL_SCROLL_LOCK_MASK; + else if (keyvals[j] == GDK_Meta_L || + keyvals[j] == GDK_Meta_R) + mask |= EGG_VIRTUAL_META_MASK; + else if (keyvals[j] == GDK_Hyper_L || + keyvals[j] == GDK_Hyper_R) + mask |= EGG_VIRTUAL_HYPER_MASK; + else if (keyvals[j] == GDK_Super_L || + keyvals[j] == GDK_Super_R) + mask |= EGG_VIRTUAL_SUPER_MASK; + else if (keyvals[j] == GDK_Mode_switch) + mask |= EGG_VIRTUAL_MODE_SWITCH_MASK; + + ++j; + } + + /* Mod1Mask is 1 << 3 for example, i.e. the + * fourth modifier, i / keyspermod is the modifier + * index + */ + modmap->mapping[i/xmodmap->max_keypermod] |= mask; + + g_free (keyvals); + g_free (keys); + + ++i; + } + + /* Add in the not-really-virtual fixed entries */ + modmap->mapping[EGG_MODMAP_ENTRY_SHIFT] |= EGG_VIRTUAL_SHIFT_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_CONTROL] |= EGG_VIRTUAL_CONTROL_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_LOCK] |= EGG_VIRTUAL_LOCK_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_MOD1] |= EGG_VIRTUAL_ALT_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_MOD2] |= EGG_VIRTUAL_MOD2_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_MOD3] |= EGG_VIRTUAL_MOD3_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_MOD4] |= EGG_VIRTUAL_MOD4_MASK; + modmap->mapping[EGG_MODMAP_ENTRY_MOD5] |= EGG_VIRTUAL_MOD5_MASK; + + XFreeModifiermap (xmodmap); +} + +const EggModmap* +egg_keymap_get_modmap (GdkKeymap *keymap) +{ + EggModmap *modmap; + + /* This is all a hack, much simpler when we can just + * modify GDK directly. + */ + + modmap = g_object_get_data (G_OBJECT (keymap), + "egg-modmap"); + + if (modmap == NULL) + { + modmap = g_new0 (EggModmap, 1); + + /* FIXME modify keymap change events with an event filter + * and force a reload if we get one + */ + + reload_modmap (keymap, modmap); + + g_object_set_data_full (G_OBJECT (keymap), + "egg-modmap", + modmap, + g_free); + } + + g_assert (modmap != NULL); + + return modmap; +} diff --git a/lib/eggaccelerators.h b/lib/eggaccelerators.h new file mode 100644 index 0000000..d2276d2 --- /dev/null +++ b/lib/eggaccelerators.h @@ -0,0 +1,89 @@ +/* eggaccelerators.h + * Copyright (C) 2002 Red Hat, Inc. + * Developed by Havoc Pennington + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __EGG_ACCELERATORS_H__ +#define __EGG_ACCELERATORS_H__ + +#include +#include + +G_BEGIN_DECLS + +/* Where a value is also in GdkModifierType we coincide, + * otherwise we don't overlap. + */ +typedef enum +{ + EGG_VIRTUAL_SHIFT_MASK = 1 << 0, + EGG_VIRTUAL_LOCK_MASK = 1 << 1, + EGG_VIRTUAL_CONTROL_MASK = 1 << 2, + + EGG_VIRTUAL_ALT_MASK = 1 << 3, /* fixed as Mod1 */ + + EGG_VIRTUAL_MOD2_MASK = 1 << 4, + EGG_VIRTUAL_MOD3_MASK = 1 << 5, + EGG_VIRTUAL_MOD4_MASK = 1 << 6, + EGG_VIRTUAL_MOD5_MASK = 1 << 7, + +#if 0 + GDK_BUTTON1_MASK = 1 << 8, + GDK_BUTTON2_MASK = 1 << 9, + GDK_BUTTON3_MASK = 1 << 10, + GDK_BUTTON4_MASK = 1 << 11, + GDK_BUTTON5_MASK = 1 << 12, + /* 13, 14 are used by Xkb for the keyboard group */ +#endif + + EGG_VIRTUAL_META_MASK = 1 << 24, + EGG_VIRTUAL_SUPER_MASK = 1 << 25, + EGG_VIRTUAL_HYPER_MASK = 1 << 26, + EGG_VIRTUAL_MODE_SWITCH_MASK = 1 << 27, + EGG_VIRTUAL_NUM_LOCK_MASK = 1 << 28, + EGG_VIRTUAL_SCROLL_LOCK_MASK = 1 << 29, + + /* Also in GdkModifierType */ + EGG_VIRTUAL_RELEASE_MASK = 1 << 30, + + /* 28-31 24-27 20-23 16-19 12-15 8-11 4-7 0-3 + * 7 f 0 0 0 0 f f + */ + EGG_VIRTUAL_MODIFIER_MASK = 0x7f0000ff + +} EggVirtualModifierType; + +gboolean egg_accelerator_parse_virtual (const gchar *accelerator, + guint *accelerator_key, + guint *keycode, + EggVirtualModifierType *accelerator_mods); +void egg_keymap_resolve_virtual_modifiers (GdkKeymap *keymap, + EggVirtualModifierType virtual_mods, + GdkModifierType *concrete_mods); +void egg_keymap_virtualize_modifiers (GdkKeymap *keymap, + GdkModifierType concrete_mods, + EggVirtualModifierType *virtual_mods); + +gchar* egg_virtual_accelerator_name (guint accelerator_key, + guint keycode, + EggVirtualModifierType accelerator_mods); + +G_END_DECLS + + +#endif /* __EGG_ACCELERATORS_H__ */ diff --git a/lib/sugar-key-grabber.c b/lib/sugar-key-grabber.c new file mode 100644 index 0000000..8c832a7 --- /dev/null +++ b/lib/sugar-key-grabber.c @@ -0,0 +1,218 @@ +/* + * Copyright (C) 2006 Red Hat, Inc + * + * Sugar is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Sugar is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#include +#include +#include + +#include "sugar-key-grabber.h" +#include "eggaccelerators.h" +#include "sugar-marshal.h" + +/* we exclude shift, GDK_CONTROL_MASK and GDK_MOD1_MASK since we know what + these modifiers mean + these are the mods whose combinations are bound by the keygrabbing code */ +#define IGNORED_MODS (0x2000 /*Xkb modifier*/ | GDK_LOCK_MASK | \ + GDK_MOD2_MASK | GDK_MOD3_MASK | GDK_MOD4_MASK | GDK_MOD5_MASK) +/* these are the ones we actually use for global keys, we always only check + * for these set */ +#define USED_MODS (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK) + +enum { + KEY_PRESSED, + KEY_RELEASED, + N_SIGNALS +}; + +typedef struct { + char *key; + guint keysym; + guint state; + guint keycode; +} Key; + +G_DEFINE_TYPE(SugarKeyGrabber, sugar_key_grabber, G_TYPE_OBJECT) + +static guint signals[N_SIGNALS]; + +static void +free_key_info(Key *key_info) +{ + g_free(key_info->key); + g_free(key_info); +} + +static void +sugar_key_grabber_dispose (GObject *object) +{ + SugarKeyGrabber *grabber = SUGAR_KEY_GRABBER(object); + + if (grabber->keys) { + g_list_foreach(grabber->keys, (GFunc)free_key_info, NULL); + g_list_free(grabber->keys); + grabber->keys = NULL; + } +} + +static void +sugar_key_grabber_class_init(SugarKeyGrabberClass *grabber_class) +{ + GObjectClass *g_object_class = G_OBJECT_CLASS (grabber_class); + + g_object_class->dispose = sugar_key_grabber_dispose; + + signals[KEY_PRESSED] = g_signal_new ("key-pressed", + G_TYPE_FROM_CLASS (grabber_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (SugarKeyGrabberClass, key_pressed), + NULL, NULL, + sugar_marshal_BOOLEAN__UINT_UINT, + G_TYPE_BOOLEAN, 2, + G_TYPE_UINT, + G_TYPE_UINT); + signals[KEY_RELEASED] = g_signal_new ("key-released", + G_TYPE_FROM_CLASS (grabber_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (SugarKeyGrabberClass, key_released), + NULL, NULL, + sugar_marshal_BOOLEAN__UINT_UINT, + G_TYPE_BOOLEAN, 2, + G_TYPE_UINT, + G_TYPE_UINT); +} + +char * +sugar_key_grabber_get_key(SugarKeyGrabber *grabber, guint keycode, guint state) +{ + GList *l; + + for (l = grabber->keys; l != NULL; l = l->next) { + Key *keyinfo = (Key *)l->data; + if ((keyinfo->keycode == keycode) && + ((state & USED_MODS) == keyinfo->state)) { + return g_strdup(keyinfo->key); + } + } + + return NULL; +} + +static GdkFilterReturn +filter_events(GdkXEvent *xevent, GdkEvent *event, gpointer data) +{ + SugarKeyGrabber *grabber = (SugarKeyGrabber *)data; + XEvent *xev = (XEvent *)xevent; + + if (xev->type == KeyRelease) { + int return_value; + g_signal_emit (grabber, signals[KEY_RELEASED], 0, xev->xkey.keycode, + xev->xkey.state, &return_value); + if(return_value) + return GDK_FILTER_REMOVE; + } + + if (xev->type == KeyPress) { + int return_value; + g_signal_emit (grabber, signals[KEY_PRESSED], 0, xev->xkey.keycode, + xev->xkey.state, &return_value); + if(return_value) + return GDK_FILTER_REMOVE; + } + + return GDK_FILTER_CONTINUE; +} + +static void +sugar_key_grabber_init(SugarKeyGrabber *grabber) +{ + GdkScreen *screen; + + screen = gdk_screen_get_default(); + grabber->root = gdk_screen_get_root_window(screen); + grabber->keys = NULL; + + gdk_window_add_filter(grabber->root, filter_events, grabber); +} + +/* grab_key and grab_key_real are from + * gnome-control-center/gnome-settings-daemon/gnome-settings-multimedia-keys.c + */ + +static gboolean +grab_key_real (Key *key, GdkWindow *root, gboolean grab, int result) +{ + gdk_error_trap_push (); + if (grab) + XGrabKey (GDK_DISPLAY(), key->keycode, (result | key->state), + GDK_WINDOW_XID (root), True, GrabModeAsync, GrabModeAsync); + else + XUngrabKey(GDK_DISPLAY(), key->keycode, (result | key->state), + GDK_WINDOW_XID (root)); + gdk_flush (); + + gdk_error_trap_pop (); + + return TRUE; +} + +#define N_BITS 32 +static void +grab_key (SugarKeyGrabber *grabber, Key *key, gboolean grab) +{ + int indexes[N_BITS];/*indexes of bits we need to flip*/ + int i, bit, bits_set_cnt; + int uppervalue; + guint mask_to_traverse = IGNORED_MODS & ~ key->state; + + bit = 0; + for (i = 0; i < N_BITS; i++) { + if (mask_to_traverse & (1<root, grab, result) == FALSE) + return; + } +} + +void +sugar_key_grabber_grab(SugarKeyGrabber *grabber, const char *key) +{ + Key *keyinfo; + + keyinfo = g_new0 (Key, 1); + keyinfo->key = g_strdup(key); + egg_accelerator_parse_virtual (key, &keyinfo->keysym, + &keyinfo->keycode, &keyinfo->state); + + grab_key(grabber, keyinfo, TRUE); + + grabber->keys = g_list_append(grabber->keys, keyinfo); +} diff --git a/lib/sugar-key-grabber.h b/lib/sugar-key-grabber.h new file mode 100644 index 0000000..fc3e14d --- /dev/null +++ b/lib/sugar-key-grabber.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2006 Red Hat, Inc + * + * Sugar is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Sugar is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __SUGAR_KEY_GRABBER_H__ +#define __SUGAR_KEY_GRABBER_H__ + +#include +#include + +G_BEGIN_DECLS + +typedef struct _SugarKeyGrabber SugarKeyGrabber; +typedef struct _SugarKeyGrabberClass SugarKeyGrabberClass; +typedef struct _SugarKeyGrabberPrivate SugarKeyGrabberPrivate; + +#define SUGAR_TYPE_KEY_GRABBER (sugar_key_grabber_get_type()) +#define SUGAR_KEY_GRABBER(object) (G_TYPE_CHECK_INSTANCE_CAST((object), SUGAR_TYPE_KEY_GRABBER, SugarKeyGrabber)) +#define SUGAR_KEY_GRABBER_CLASS(klass) (G_TYPE_CHACK_CLASS_CAST((klass), SUGAR_TYPE_KEY_GRABBER, SugarKeyGrabberClass)) +#define SUGAR_IS_KEY_GRABBER(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), SUGAR_TYPE_KEY_GRABBER)) +#define SUGAR_IS_KEYGRABBER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), SUGAR_TYPE_KEY_GRABBER)) +#define SUGAR_KEY_GRABBER_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), SUGAR_TYPE_KEY_GRABBER, SugarKeyGrabberClass)) + +struct _SugarKeyGrabber { + GObject base_instance; + + GdkWindow *root; + GList *keys; +}; + +struct _SugarKeyGrabberClass { + GObjectClass base_class; + + gboolean (* key_pressed) (SugarKeyGrabber *grabber, + guint keycode, + guint state); + gboolean (* key_released) (SugarKeyGrabber *grabber, + guint keycode, + guint state); +}; + +GType sugar_key_grabber_get_type (void); +void sugar_key_grabber_grab (SugarKeyGrabber *grabber, + const char *key); +char *sugar_key_grabber_get_key (SugarKeyGrabber *grabber, + guint keycode, + guint state); + +G_END_DECLS + +#endif /* __SUGAR_KEY_GRABBER_H__ */ diff --git a/lib/sugar-marshal.list b/lib/sugar-marshal.list new file mode 100644 index 0000000..41ce620 --- /dev/null +++ b/lib/sugar-marshal.list @@ -0,0 +1 @@ +BOOLEAN:UINT,UINT -- cgit v0.9.1