Rewrite of the userbutton shortcut handling: now parsing shortcut string in

gui init and string paramter handler. The shortcut keys are now stored in an
array of BX_KEY* values in the gui object.
siminterface.h: Fixed some default return values.

bochs/config.cc

@@ -119,9 +119,13 @@ const char *bx_param_string_handler(bx_param_string_c *param, int set,
 
   param->get_param_path(pname, BX_PATHNAME_LEN);
   if (!strcmp(pname, BXPN_SCREENMODE)) {
-    if (set==1) {
+    if (set == 1) {
       BX_INFO(("Screen mode changed to %s", val));
     }
+  } else if (!strcmp(pname, BXPN_USER_SHORTCUT)) {
+    if ((set == 1) && (SIM->get_init_done())) {
+      bx_gui->parse_user_shortcut(val);
+    }
 #if BX_PLUGINS
   } else if (!strncmp(pname, "misc.user_plugin", 16)) {
     if ((strlen(oldval) > 0) && (strcmp(oldval, "none"))) {
@@ -1002,11 +1006,12 @@ void bx_init_options()
   deplist->add(keymap);
   use_kbd_mapping->set_dependent_list(deplist);
 
-  new bx_param_string_c(keyboard,
+  bx_param_string_c *user_shortcut = new bx_param_string_c(keyboard,
       "user_shortcut",
       "Userbutton shortcut",
       "Defines the keyboard shortcut to be sent when you press the 'user' button in the headerbar.",
       "none", 20);
+  user_shortcut->set_handler(bx_param_string_handler);
 
   static const char *mouse_type_list[] = {
     "none",

bochs/gui/gui.cc

@@ -241,6 +241,10 @@ void bx_gui_c::init(int argc, char **argv, unsigned max_xres, unsigned max_yres,
                           BX_GRAVITY_RIGHT, userbutton_handler);
   BX_GUI_THIS set_tooltip(BX_GUI_THIS user_hbar_id, "Send keyboard shortcut");
 
+  if (!parse_user_shortcut(SIM->get_param_string(BXPN_USER_SHORTCUT)->getptr())) {
+    SIM->get_param_string(BXPN_USER_SHORTCUT)->set("none");
+  }
+
   BX_GUI_THIS charmap_updated = 0;
 
   if (!BX_GUI_THIS new_gfx_api && (BX_GUI_THIS framebuffer == NULL)) {
@@ -657,49 +661,50 @@ Bit32u get_user_key(char *key)
   return BX_KEY_UNKNOWN;
 }
 
+bx_bool bx_gui_c::parse_user_shortcut(const char *val)
+{
+  char *ptr, shortcut_tmp[512];
+  Bit32u symbol;
+
+  user_shortcut_len = 0;
+  if ((strlen(val) == 0) || !strcmp(val, "none")) {
+    return 1;
+  } else {
+    strcpy(shortcut_tmp, val);
+    ptr = strtok(shortcut_tmp, "-");
+    while (ptr) {
+      symbol = get_user_key(ptr);
+      if (symbol == BX_KEY_UNKNOWN) {
+        BX_ERROR(("Unknown key symbol '%s' ignored", ptr));
+        return 0;
+      }
+      if (user_shortcut_len < 3) {
+        user_shortcut[user_shortcut_len++] = symbol;
+        ptr = strtok(NULL, "-");
+      } else {
+        BX_ERROR(("Ignoring extra key symbol '%s'", ptr));
+        break;
+      }
+    }
+    return 1;
+  }
+}
+
 void bx_gui_c::userbutton_handler(void)
 {
-  Bit32u shortcut[4];
+  int i, ret = 1;
-  Bit32u symbol;
-  bx_param_string_c *sparam;
-  char user_shortcut[512];
-  char *ptr;
-  int i, len = 0, ret = 1;
 
   if (BX_GUI_THIS dialog_caps & BX_GUI_DLG_USER) {
     ret = SIM->ask_param(BXPN_USER_SHORTCUT);
   }
-  sparam = SIM->get_param_string(BXPN_USER_SHORTCUT);
+  if ((ret > 0) && (BX_GUI_THIS user_shortcut_len > 0)) {
-  if ((ret > 0) && !sparam->isempty()) {
-    strcpy(user_shortcut, sparam->getptr());
-    ptr = strtok(user_shortcut, "-");
-    if ((strcmp(ptr, sparam->getptr())) ||
-        (strlen(sparam->getptr()) < 7)) {
-      while (ptr) {
-        symbol = get_user_key(ptr);
-        if (symbol == BX_KEY_UNKNOWN) {
-          BX_ERROR(("Unknown shortcut '%s' ignored", ptr));
-          return;
-        }
-        if (len < 3) {
-          shortcut[len++] = symbol;
-          ptr = strtok(NULL, "-");
-        } else {
-          BX_ERROR(("Ignoring extra key symbol '%s'", ptr));
-          break;
-        }
-      }
-    } else {
-      BX_ERROR(("Unknown shortcut '%s' ignored", user_shortcut));
-      return;
-    }
     i = 0;
-    while (i < len) {
+    while (i < BX_GUI_THIS user_shortcut_len) {
-      DEV_kbd_gen_scancode(shortcut[i++]);
+      DEV_kbd_gen_scancode(BX_GUI_THIS user_shortcut[i++]);
     }
     i--;
     while (i >= 0) {
-      DEV_kbd_gen_scancode(shortcut[i--] | BX_KEY_RELEASED);
+      DEV_kbd_gen_scancode(BX_GUI_THIS user_shortcut[i--] | BX_KEY_RELEASED);
     }
   }
 }

bochs/gui/gui.h

@@ -156,6 +156,7 @@ public:
   static void toggle_mouse_enable(void);
   bx_bool mouse_toggle_check(Bit32u key, bx_bool pressed);
   const char* get_toggle_info(void);
+  bx_bool parse_user_shortcut(const char *val);
 #if BX_DEBUGGER && BX_DEBUGGER_GUI
   void init_debug_dialog(void);
   void close_debug_dialog(void);
@@ -244,6 +245,9 @@ protected:
   Bit8u toggle_method;
   Bit32u toggle_keystate;
   char mouse_toggle_text[20];
+  // userbutton shortcut
+  Bit32u user_shortcut[4];
+  int user_shortcut_len;
   // gui dialog capabilities
   Bit32u dialog_caps;
 };

bochs/gui/siminterface.h

@@ -633,8 +633,8 @@ public:
   bx_simulator_interface_c() {}
   virtual ~bx_simulator_interface_c() {}
   virtual void set_quit_context(jmp_buf *context) {}
-  virtual int get_init_done() { return -1; }
+  virtual int get_init_done() { return 0; }
-  virtual int set_init_done(int n) {return -1;}
+  virtual int set_init_done(int n) {return 0;}
   virtual void reset_all_param() {}
   // new param methods
   virtual bx_param_c *get_param(const char *pname, bx_param_c *base=NULL) {return NULL;}
@@ -644,15 +644,15 @@ public:
   virtual bx_param_enum_c *get_param_enum(const char *pname, bx_param_c *base=NULL) {return NULL;}
   virtual unsigned gen_param_id() {return 0;}
   virtual int get_n_log_modules() {return -1;}
-  virtual const char *get_logfn_name(int mod) {return 0;}
+  virtual const char *get_logfn_name(int mod) {return NULL;}
   virtual int get_logfn_id(const char *name) {return -1;}
-  virtual const char *get_prefix(int mod) {return 0;}
+  virtual const char *get_prefix(int mod) {return NULL;}
   virtual int get_log_action(int mod, int level) {return -1;}
   virtual void set_log_action(int mod, int level, int action) {}
   virtual int get_default_log_action(int level) {return -1;}
   virtual void set_default_log_action(int level, int action) {}
-  virtual const char *get_action_name(int action) {return 0;}
+  virtual const char *get_action_name(int action) {return NULL;}
-  virtual const char *get_log_level_name(int level) {return 0;}
+  virtual const char *get_log_level_name(int level) {return NULL;}
   virtual int get_max_log_level() {return -1;}
 
   // exiting is somewhat complicated!  The preferred way to exit bochs is