(svn r6938) -Codechange: Comments, typo, variable naming, whitespace, strecpy and simplification

of order_gui (only disable a single widget if not local player, all others aren't
 visible anyways).

gfx.c

@@ -33,22 +33,19 @@ static byte _string_colorremap[3];
 #define DIRTY_BYTES_PER_LINE (MAX_SCREEN_WIDTH / 64)
 static byte _dirty_blocks[DIRTY_BYTES_PER_LINE * MAX_SCREEN_HEIGHT / 8];
 
-
-
-void memcpy_pitch(void *d, void *s, int w, int h, int spitch, int dpitch)
+void memcpy_pitch(void *dst, void *src, int w, int h, int srcpitch, int dstpitch)
 {
-	byte *dp = (byte*)d;
-	byte *sp = (byte*)s;
+	byte *dstp = (byte*)dst;
+	byte *srcp = (byte*)src;
 
 	assert(h >= 0);
 	for (; h != 0; --h) {
-		memcpy(dp, sp, w);
-		dp += dpitch;
-		sp += spitch;
+		memcpy(dstp, srcp, w);
+		dstp += dstpitch;
+		srcp += srcpitch;
 	}
 }
 
-
 void GfxScroll(int left, int top, int width, int height, int xo, int yo)
 {
 	const Pixel *src;
@@ -583,7 +580,14 @@ BoundingRect GetStringBoundingBox(const char *str)
 	return br;
 }
 
-
+/** Draw a string at the given coordinates with the given colour
+ * @param string the string to draw
+ * @param x offset from left side of the screen, if negative offset from the right side
+ * @param x offset from top side of the screen, if negative offset from the bottom
+ * @param real_color colour of the string, see _string_colormap in
+ * table/palettes.h or docs/ottd-colourtext-palette.png
+ * @return the x-coordinates where the drawing has finished. If nothing is drawn
+ * the originally passed x-coordinate is returned */
 int DoDrawString(const char *string, int x, int y, uint16 real_color)
 {
 	DrawPixelInfo *dpi = _cur_dpi;

misc_gui.c

@@ -1094,12 +1094,12 @@ void ShowQueryString(StringID str, StringID caption, uint maxlen, uint maxwidth,
 	w = AllocateWindowDesc(&_query_string_desc);
 
 	GetString(_edit_str_buf, str, lastof(_edit_str_buf));
-	_edit_str_buf[realmaxlen-1] = '\0';
+	_edit_str_buf[realmaxlen - 1] = '\0';
 
 	if (maxlen & 0x1000) {
 		WP(w, querystr_d).orig = NULL;
 	} else {
-		strcpy(_orig_str_buf, _edit_str_buf);
+		strecpy(_orig_str_buf, _edit_str_buf, lastof(_orig_str_buf));
 		WP(w, querystr_d).orig = _orig_str_buf;
 	}
 

order_gui.c

@@ -57,11 +57,9 @@ static void DrawOrdersWindow(Window *w)
 	int sel;
 	int y, i;
 	bool shared_orders;
-	bool not_localplayer;
 	byte color;
 
 	v = GetVehicle(w->window_number);
-	not_localplayer = v->owner != _local_player;
 
 	shared_orders = IsOrderListShared(v);
 
@@ -72,31 +70,32 @@ static void DrawOrdersWindow(Window *w)
 
 	order = GetVehicleOrder(v, sel);
 
-	/* skip */
-	SetWindowWidgetDisabledState(w,  4, not_localplayer || v->num_orders == 0);
+	if (v->owner == _local_player) {
+		/* skip */
+		SetWindowWidgetDisabledState(w,  4, v->num_orders == 0);
 
-	/* delete */
-	SetWindowWidgetDisabledState(w,  5, not_localplayer ||
-			(uint)v->num_orders + (shared_orders ? 1 : 0) <= (uint)WP(w, order_d).sel);
-
-	/* non-stop only for trains */
-	SetWindowWidgetDisabledState(w,  6, not_localplayer || v->type != VEH_Train
-			|| order == NULL);
-	SetWindowWidgetDisabledState(w,  7, not_localplayer); // go-to
-	SetWindowWidgetDisabledState(w,  8, not_localplayer || order == NULL); // full load
-	SetWindowWidgetDisabledState(w,  9, not_localplayer || order == NULL); // unload
-	SetWindowWidgetDisabledState(w, 10, not_localplayer || order == NULL); // transfer
-	SetWindowWidgetDisabledState(w, 11, !shared_orders || v->orders == NULL); // Disable list of vehicles with the same shared orders if there are no list
-	SetWindowWidgetDisabledState(w, 12, not_localplayer || order == NULL); // Refit
+		/* delete */
+		SetWindowWidgetDisabledState(w,  5,
+				(uint)v->num_orders + (shared_orders ? 1 : 0) <= (uint)WP(w, order_d).sel);
 
+		/* non-stop only for trains */
+		SetWindowWidgetDisabledState(w,  6, v->type != VEH_Train || order == NULL);
+		SetWindowWidgetDisabledState(w,  8, order == NULL); // full load
+		SetWindowWidgetDisabledState(w,  9, order == NULL); // unload
+		SetWindowWidgetDisabledState(w, 10, order == NULL); // transfer
+		/* Disable list of vehicles with the same shared orders if there is no list */
+		SetWindowWidgetDisabledState(w, 11, !shared_orders || v->orders == NULL);
+		SetWindowWidgetDisabledState(w, 12, order == NULL); // Refit
+	} else {
+		DisableWindowWidget(w, 10);
+	}
 
 	ShowWindowWidget(w, 9); // Unload
 	HideWindowWidget(w, 12); // Refit
 
 	if (order != NULL) {
 		switch (order->type) {
-			case OT_GOTO_STATION:
-				break;
+			case OT_GOTO_STATION: break;
 
 			case OT_GOTO_DEPOT:
 				DisableWindowWidget(w, 10);
@@ -495,6 +494,8 @@ static void OrdersWndProc(Window *w, WindowEvent *e)
 		Vehicle *v = GetVehicle(w->window_number);
 		uint i;
 
+		if (v->owner != _local_player) break;
+
 		for (i = 0; i < lengthof(_order_keycodes); i++) {
 			if (e->we.keypress.keycode == _order_keycodes[i]) {
 				e->we.keypress.cont = false;
@@ -536,7 +537,7 @@ static void OrdersWndProc(Window *w, WindowEvent *e)
 		 * This is because of all open order windows WE_MOUSELOOP is called
 		 * and if you have 3 windows open, and this check is not done
 		 * the order is copied to the last open window instead of the
-		 * one where GOTO is enalbed
+		 * one where GOTO is enabled
 		 */
 		if (v != NULL && IsWindowWidgetLowered(w, 7)) {
 			_place_clicked_vehicle = NULL;