From 242784d3e440cb1b90a50c4fbed04a0bd1c51d16 Mon Sep 17 00:00:00 2001 From: "Jasper St. Pierre" Date: Mon, 7 Apr 2014 10:54:21 -0400 Subject: [PATCH] accel-parse: Copy the code from GTK+ in-tree We can't use GTK+ for accelerator parsing under Wayland, since we don't want to go through Xwayland to make that happen. --- src/core/meta-accel-parse.c | 305 +++++++++++++++++++++++++++++++++++- 1 file changed, 303 insertions(+), 2 deletions(-) diff --git a/src/core/meta-accel-parse.c b/src/core/meta-accel-parse.c index 2a165ef1a..8eddd5348 100644 --- a/src/core/meta-accel-parse.c +++ b/src/core/meta-accel-parse.c @@ -30,6 +30,307 @@ #include #include +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_primary (const gchar *string) +{ + return ((string[0] == '<') && + (string[1] == 'p' || string[1] == 'P') && + (string[2] == 'r' || string[2] == 'R') && + (string[3] == 'i' || string[3] == 'I') && + (string[4] == 'm' || string[4] == 'M') && + (string[5] == 'a' || string[5] == 'A') && + (string[6] == 'r' || string[6] == 'R') && + (string[7] == 'y' || string[7] == 'Y') && + (string[8] == '>')); +} + +static inline gboolean +is_keycode (const gchar *string) +{ + return (string[0] == '0' && + string[1] == 'x' && + g_ascii_isxdigit (string[2]) && + g_ascii_isxdigit (string[3])); +} + +static void +do_accelerator_parse (const gchar *accelerator, + guint *accelerator_key, + GdkModifierType *accelerator_mods) +{ + guint keyval; + GdkModifierType mods; + gint len; + gboolean error; + + if (accelerator_key) + *accelerator_key = 0; + if (accelerator_mods) + *accelerator_mods = 0; + g_return_if_fail (accelerator != NULL); + + error = FALSE; + keyval = 0; + mods = 0; + len = strlen (accelerator); + while (len) + { + if (*accelerator == '<') + { + if (len >= 9 && is_release (accelerator)) + { + accelerator += 9; + len -= 9; + mods |= GDK_RELEASE_MASK; + } + else if (len >= 9 && is_primary (accelerator)) + { + /* Primary is treated the same as Control */ + accelerator += 9; + len -= 9; + mods |= GDK_CONTROL_MASK; + } + else if (len >= 9 && is_control (accelerator)) + { + accelerator += 9; + len -= 9; + mods |= GDK_CONTROL_MASK; + } + else if (len >= 7 && is_shift (accelerator)) + { + accelerator += 7; + len -= 7; + mods |= GDK_SHIFT_MASK; + } + else if (len >= 6 && is_shft (accelerator)) + { + accelerator += 6; + len -= 6; + mods |= GDK_SHIFT_MASK; + } + else if (len >= 6 && is_ctrl (accelerator)) + { + accelerator += 6; + len -= 6; + mods |= GDK_CONTROL_MASK; + } + else if (len >= 6 && is_modx (accelerator)) + { + static const guint mod_vals[] = { + GDK_MOD1_MASK, GDK_MOD2_MASK, GDK_MOD3_MASK, + GDK_MOD4_MASK, GDK_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 |= GDK_CONTROL_MASK; + } + else if (len >= 5 && is_alt (accelerator)) + { + accelerator += 5; + len -= 5; + mods |= GDK_MOD1_MASK; + } + else if (len >= 6 && is_meta (accelerator)) + { + accelerator += 6; + len -= 6; + mods |= GDK_META_MASK; + } + else if (len >= 7 && is_hyper (accelerator)) + { + accelerator += 7; + len -= 7; + mods |= GDK_HYPER_MASK; + } + else if (len >= 7 && is_super (accelerator)) + { + accelerator += 7; + len -= 7; + mods |= GDK_SUPER_MASK; + } + else + { + gchar last_ch; + + last_ch = *accelerator; + while (last_ch && last_ch != '>') + { + last_ch = *accelerator; + accelerator += 1; + len -= 1; + } + } + } + else + { + if (len >= 4 && is_keycode (accelerator)) + { + /* There was a keycode in the string, but + * we cannot store it, so we have an error */ + error = TRUE; + goto out; + } + else + { + keyval = gdk_keyval_from_name (accelerator); + if (keyval == GDK_KEY_VoidSymbol) + { + error = TRUE; + goto out; + } + } + + accelerator += len; + len -= len; + } + } + +out: + if (error) + keyval = mods = 0; + + if (accelerator_key) + *accelerator_key = gdk_keyval_to_lower (keyval); + if (accelerator_mods) + *accelerator_mods = mods; +} + static void accelerator_parse (const char *accel, guint *keysym, @@ -65,7 +366,7 @@ accelerator_parse (const char *accel, char *after = g_strdup (above_tab + ABOVE_TAB_LEN); char *replaced = g_strconcat (before, "Tab", after, NULL); - gtk_accelerator_parse (replaced, NULL, keymask); + do_accelerator_parse (replaced, NULL, keymask); g_free (before); g_free (after); @@ -79,7 +380,7 @@ accelerator_parse (const char *accel, #undef ABOVE_TAB #undef ABOVE_TAB_LEN - gtk_accelerator_parse (accel, keysym, keymask); + do_accelerator_parse (accel, keysym, keymask); } gboolean