[Add] You can specify default fptr for windows now.

src/player.c

@@ -158,6 +158,8 @@ void player_new(void) {
                  &gl_smallFont, &cDConsole, "Please tell me your name:");
   window_addInput(wid, 20, -50, 200, 20, "inpName", 20, 1);
   window_addButton(wid, -20, 20, 80, 30, "btnClose", "Done", player_nameClose);
+
+  window_setFptr(wid, player_nameClose);
 }
 
 static void player_nameClose(char* str) {
@@ -269,6 +271,8 @@ void player_newShip(Ship* ship, double px, double py,
   window_addInput(wid, 20, -50, 200, 20, "inpName", 20, 1);
   window_addButton(wid, -20, 20, 80, 30, "btnClose", "Done",
                    player_nameShipClose);
+
+  window_setFptr(wid, player_nameShipClose);
 }
 
 static void player_nameShipClose(char* str) {

src/toolkit.c

@@ -87,6 +87,10 @@ typedef struct Window_ {
   int hidden;  // Is it hidden?
   int focus;  // Which window is focused.
 
+  // Pointer to a function to run if user hits 'enter' and no button is focused
+  // nor any other input thiny that catches 'enter'.
+  void(*def_fptr)(char*);
+
   double x,y; // Position.
   double w,h; // Dimensions.
 
@@ -396,6 +400,9 @@ unsigned int window_get(const char* wdwname) {
 // Create a window.
 unsigned int window_create(char* name, const int x, const int y,
                            const int w, const int h) {
+
+  Window* wdw;
+
   if(nwindows >= mwindows) {
     // We have reached our memory limit.
     windows = realloc(windows, sizeof(Window)*(++mwindows));
@@ -404,31 +411,35 @@ unsigned int window_create(char* name, const int x, const int y,
 
   const int wid = (++genwid); // Unique id
 
-  windows[nwindows].id = wid;
+  wdw = &windows[nwindows];
-  windows[nwindows].name = strdup(name);
 
-  windows[nwindows].hidden =  0;
+  wdw->id = wid;
-  windows[nwindows].focus  = -1;
+  wdw->name = strdup(name);
+
+  wdw->hidden   = 0;
+  wdw->focus    = -1;
+  wdw->def_fptr = NULL;
+
+  wdw->w = (double)w;
+  wdw->h = (double)h;
 
-  windows[nwindows].w = (double) w;
-  windows[nwindows].h = (double) h;
   // x pos.
   if(x == -1)
     // Center.
-    windows[nwindows].x = gl_screen.w/2. - windows[nwindows].w/2.;
+    wdw->x = gl_screen.w/2. - windows[nwindows].w/2.;
   else if(x < 0)
-    windows[nwindows].x = gl_screen.w - windows[nwindows].w + (double)x;
+    wdw->x = gl_screen.w - windows[nwindows].w + (double)x;
   else windows[nwindows].x = (double)x;
   // y pos.
   if(y == -1)
     // Center.
-    windows[nwindows].y = gl_screen.h/2. - windows[nwindows].h/2.;
+    wdw->y = gl_screen.h/2. - windows[nwindows].h/2.;
   else if(y < 0)
-    windows[nwindows].x = gl_screen.h - windows[nwindows].h + (double)y;
+    wdw->x = gl_screen.h - windows[nwindows].h + (double)y;
-  else windows[nwindows].y = (double)y;
+  else wdw->y = (double)y;
 
-  windows[nwindows].widgets = NULL;
+  wdw->widgets  = NULL;
-  windows[nwindows].nwidgets = 0;
+  wdw->nwidgets = 0;
 
   nwindows++;
 
@@ -441,6 +452,14 @@ unsigned int window_create(char* name, const int x, const int y,
   return wid;
 }
 
+// Sets the window's default function.
+void window_setFptr(const unsigned int wid, void(*fptr)(char*)) {
+  Window* wdw;
+
+  wdw = window_wget(wid);
+  if(wdw != NULL) wdw->def_fptr = fptr;
+}
+
 // Destroy a widget.
 static void widget_cleanup(Widget* widget) {
   int i;
@@ -1208,6 +1227,7 @@ static void toolkit_nextFocus(void) {
     toolkit_nextFocus();
 }
 
+// Return 1 if the window is focusable.
 static int toolkit_isFocusable(Widget* wgt) {
   if(wgt == NULL) return 0;
 
@@ -1239,6 +1259,7 @@ static void toolkit_triggerFocus(void) {
         wgt->name, wdw->name);
     break;
   default:
+    if(wdw->def_fptr)(*wdw->def_fptr)(wgt->name);
     break;
   }
 }
@@ -1272,6 +1293,7 @@ static void toolkit_listFocus(Widget* lst, double bx, double by) {
   }
 }
 
+// Get what is selected currently in a list.
 char* toolkit_getList(const unsigned int wid, char* name) {
   Widget* wgt = window_getwgt(wid, name);
 

src/toolkit.h

@@ -46,7 +46,8 @@ void window_addInput(const unsigned int wid,
 // Popups and alerts.
 void toolkit_alert(const char* fmt, ...);
 
-// Modification
+// Modification.
+void window_setFptr(const unsigned int wid, void(*fptr)(char*));
 void window_modifyText(const unsigned int wid, char* name, char* newstring);
 void window_modifyImage(const unsigned int wid, char* name, glTexture* image);