[Add] Created lstd for portable SDLKey isalpha functions and such.

src/lstd.c

@@ -0,0 +1,45 @@
+/**
+ * @file lstd.c
+ *
+ * @brief Portable replacements for some functions.
+ */
+#include "lstd.h"
+
+/**
+ * @brief Check to see if a key is alpha.
+ *    @param k Key to check.
+ *    @return 1 if is alpha.
+ */
+int lstd_isalpha(SDLKey k) {
+  int ret;
+
+  ret = 0;
+
+  /* Alpha. */
+  if((k >= SDLK_a) && (k <= SDLK_z))
+    ret = 1;
+
+  return ret;
+}
+
+/**
+ * @brief Like isalnum but for keysyms.
+ *    @param k Key to check.
+ *    @return 1 if is alnum.
+ */
+int lstd_isalnum(SDLKey k) {
+  int ret;
+
+  ret = 0;
+
+  /* Alpha. */
+  if((k >= SDLK_a) && (k <= SDLK_z))
+    ret = 1;
+
+  /* Number. */
+  if((k >= SDLK_0) && (k <= SDLK_9))
+    ret = 1;
+
+  return ret;
+}
+

src/lstd.h

@@ -0,0 +1,6 @@
+#pragma once
+#include <SDL/SDL.h>
+
+int lstd_isalpha(SDLKey k);
+int lstd_isalnum(SDLKey k);
+

src/options.c

@@ -13,6 +13,7 @@
 #include "toolkit.h"
 #include "sound.h"
 #include "music.h"
+#include "lstd.h"
 #include "options.h"
 
 #define KEYBINDS_WIDTH   440   /**< Options menu width. */
@@ -27,30 +28,12 @@
 /* Extern. */
 extern const char* keybindNames[]; /* From input.c */
 
-static int opt_isalpha(SDLKey k);
 static const char* modToText(SDLMod mod);
 static void menuKeybinds_update(unsigned int wid, char* name);
 
 static void opt_setSFXLevel(unsigned int wid, char* str);
 static void opt_setMusicLevel(unsigned int wid, char* str);
 
-/**
- * @brief Check to see if a key is alpha.
- *    @param k Key to check.
- *    @return 1 if is alpha.
- */
-static int opt_isalpha(SDLKey k) {
-  int ret;
-
-  ret = 0;
-
-  /* Alpha. */
-  if((k >= SDLK_a) && (k <= SDLK_z))
-    ret = 1;
-
-  return ret;
-}
-
 /**
  * @brief Opens the keybindings menu.
  */
@@ -84,7 +67,7 @@ void opt_menuKeybinds(void) {
     switch(type) {
       case KEYBIND_KEYBOARD:
         /* SDL_GetKeyName returns lowercase which is ugly. */
-        if(opt_isalpha(key))
+        if(lstd_isalpha(key))
           snprintf(str[j], 64, "%s <%c>", keybindNames[j], toupper(key));
         else
           snprintf(str[j], 64, "%s <%s>", keybindNames[j], SDL_GetKeyName(key));
@@ -165,7 +148,7 @@ static void menuKeybinds_update(unsigned int wid, char* name) {
       break;
     case KEYBIND_KEYBOARD:
       /* SDL_GetKeyName returns lowercase which is ugly. */
-      if(opt_isalpha(key))
+      if(lstd_isalpha(key))
         snprintf(bind, 32, "keyboard:   %s%s%c",
             (mod != KMOD_NONE) ? modToText(mod) : "",
             (mod != KMOD_NONE) ? " + " : "",

src/toolkit.c

@@ -11,6 +11,7 @@
 #include "pause.h"
 #include "opengl.h"
 #include "input.h"
+#include "lstd.h"
 #include "toolkit.h"
 
 #define INPUT_DELAY   500
@@ -198,8 +199,6 @@ static void toolkit_clip(double x, double y, double w, double h);
 static void toolkit_unclip(void);
 static void toolkit_drawRect(double x, double y, double w, double h,
                              glColour* c, glColour* lc);
-/* Misc. */
-static int toolkit_isalnum(SDLKey k);
 
 /**
  * @brief Set the internal widget position.
@@ -1971,7 +1970,7 @@ static int toolkit_inputInput(Uint8 type, Widget* inp, SDLKey key) {
 #endif
 
   /* Only catch some keys. */
-  if(!toolkit_isalnum(key) && (key != SDLK_BACKSPACE) &&
+  if(!lstd_isalnum(key) && (key != SDLK_BACKSPACE) &&
       (key != SDLK_SPACE) && (key != SDLK_RETURN))
     return 0;
 
@@ -2211,27 +2210,6 @@ static void toolkit_clearKey(void) {
   input_keyCounter = 0;
 }
 
-/**
- * @brief Like isalnum but for keysyms.
- *    @param k Key to check.
- *    @return 1 if is alnum.
- */
-static int toolkit_isalnum(SDLKey k) {
-  int ret;
-
-  ret = 0;
-
-  /* Alpha. */
-  if((k >= SDLK_a) && (k <= SDLK_z))
-    ret = 1;
-
-  /* Number. */
-  if((k >= SDLK_0) && (k <= SDLK_9))
-    ret = 1;
-
-  return ret;
-}
-
 /**
  * @brief Handles keyboard events.
  *    @param event Keyboard event to handle.
@@ -2251,7 +2229,7 @@ static int toolkit_keyEvent(SDL_Event* event) {
   key = event->key.keysym.sym;
 
   /* Hack to simulate key repetition. */
-  if((key == SDLK_BACKSPACE) || toolkit_isalnum(key)) {
+  if((key == SDLK_BACKSPACE) || lstd_isalnum(key)) {
     if(event->type == SDL_KEYDOWN)    toolkit_regKey(key);
     else if(event->type == SDL_KEYUP) toolkit_unregKey(key);
   }