[Add] Refuel button should appear more often now.

src/land.c

@@ -108,6 +108,7 @@ static void misn_accept(unsigned int wid, char* str);
 static void misn_genList(unsigned int wid, int first);
 static void misn_update(unsigned int wid, char* str);
 /* Refuel. */
+static void land_checkAddRefuel(void);
 static unsigned int refuel_price(void);
 static void spaceport_refuel(unsigned int wid, char* str);
 
@@ -224,6 +225,7 @@ static void commodity_sell(unsigned int wid, char* str) {
 
   q = pilot_rmCargo(player, com, q);
   player->credits += q * com->medium;
+  land_checkAddRefuel();
   commodity_update(wid, NULL);
 }
 
@@ -487,6 +489,7 @@ static void outfits_sell(unsigned int wid, char* str) {
   if(outfit_canSell(outfit, q, 1) == 0) return;
 
   player->credits += outfit->price * pilot_rmOutfit(player, outfit, q);
+  land_checkAddRefuel();
   outfits_update(wid, NULL);
 }
 
@@ -893,6 +896,7 @@ static void shipyard_yoursSell(unsigned int wid, char* str) {
 
   /* Sold. */
   player->credits += price;
+  land_checkAddRefuel();
   player_rmShip(shipname);
   dialogue_msg("Ship Sold", "You have sold your ship %s for %s SCred.",
       shipname, buf);
@@ -1119,6 +1123,36 @@ static void spaceport_refuel(unsigned int wid, char* str) {
   window_destroyWidget(wid, "btnRefuel");
 }
 
+/**
+ * @brief Check if should add the refuel button and does if needed.
+ */
+static void land_checkAddRefuel(void) {
+  char buf[32], cred[16];
+
+  /* Check to see if fuel conditions are met. */
+  if(!planet_hasService(land_planet, PLANET_SERVICE_BASIC))
+    return;
+
+  /* Full fuel. */
+  if(player->fuel >= player->fuel_max)
+    return;
+
+  /* Just enable button if it exists. */
+  if(widget_exists(land_wid, "btnRefuel")) {
+    window_enableButton(land_wid, "btnRefuel");
+  } else { /* Create it. */
+    credits2str(cred, refuel_price(), 2);
+    snprintf(buf, 32, "Refuel %s", cred);
+    window_addButton(land_wid, -20, 20+2*(BUTTON_HEIGHT+20),
+        BUTTON_WIDTH, BUTTON_HEIGHT, "btnRefuel",
+        buf, spaceport_refuel);
+  }
+
+  /* Make sure player can click it. */
+  if(player->credits < refuel_price())
+    window_disableButton(land_wid, "btnRefuel");
+}
+
 /* Land the player. */
 void land(Planet* p) {
   char buf[32], cred[16];

src/toolkit.c

@@ -729,6 +729,31 @@ void window_destroy(const unsigned int wid) {
   toolkit_clearKey();
 }
 
+/**
+ * @brief Check to see if a widget exists.
+ *    @param wid Window to check widget in
+ *    @param wgtname Name of the widget to check.
+ */
+int widget_exists(const unsigned int wid, const char* wgtname) {
+  Window* w = window_wget(wid);
+  int i;
+
+  /* Get window. */
+  if(w == NULL) {
+    if(w == NULL) {
+      WARN("Window '%d' does not exist", wid);
+      return -1;
+    }
+
+    /* Check for widget. */
+    for(i = 0; i < w->nwidgets; i++)
+      if(strcmp(wgtname, w->widgets[i].name)==0)
+        return 1;
+
+    return 0;
+  }
+}
+
 /**
  * @brief wid Window to destroy widget in.
  *    @param wid Window to destroy widget in.
@@ -1369,6 +1394,29 @@ static int toolkit_inputInput(Uint8 type, Widget* inp, SDLKey key) {
 
   if(inp->type != WIDGET_INPUT) return 0;
 
+  /*
+   * Handle arrow keys.
+   * @todo Finish implementin, no cursor makes it complicated
+   * to see where you are.
+   */
+#if 0
+  if((type == SDL_KEYDOWN) &&
+      ((key == SDLK_LEFT) || (key == SDLK_RETURN))) {
+    /* Move pointer. */
+    if(key == SDLK_LEFT) {
+      if(inp->dat.inp.pos > 0)
+        inp->dat.inp.pos -= 1;
+    }
+    else if(key == SDLK_RIGHT) {
+      if((inp->dat.inp.pos < inp->dat.inp.max-1) &&
+          (inp->dat.inp.input[inp->dat.inp.pos+1] != '\0'))
+        inp->dat.inp.pos += 1;
+    }
+
+    return 1;
+  }
+#endif
+
   mods = SDL_GetModState();
   if(inp->dat.inp.oneline && isascii(key)) {
     /* Backspace -> delete text. */

src/toolkit.h

@@ -65,6 +65,7 @@ void window_imgColour(const unsigned int wid, char* name, glColour* colour);
 /* Get. */
 /* Generic. */
 int window_exists(const char* wdwname);
+int widget_exists(const unsigned int wid, const char* wgtname);
 unsigned int window_get(const char* wdwname);
 char* window_getInput(const unsigned int wid, char* name);
 void window_posWidget(const unsigned int wid,