(svn r20120) -Feature [FS#3913]: Tooltips are shown by hovering the mouse over a widget instead of by right clicking on it.

src/depot_gui.cpp

@@ -842,10 +842,10 @@ struct DepotWindow : Window {
 			uint64 args[2];
 			args[0] = (whole_chain ? num : v->engine_type);
 			args[1] = (uint64)(size_t)details;
-			GuiShowTooltips(whole_chain ? STR_DEPOT_VEHICLE_TOOLTIP_CHAIN : STR_DEPOT_VEHICLE_TOOLTIP, 2, args);
+			GuiShowTooltips(whole_chain ? STR_DEPOT_VEHICLE_TOOLTIP_CHAIN : STR_DEPOT_VEHICLE_TOOLTIP, 2, args, TCC_RIGHT_CLICK);
 		} else {
 			/* Show tooltip help */
-			GuiShowTooltips(STR_DEPOT_TRAIN_LIST_TOOLTIP + this->type);
+			GuiShowTooltips(STR_DEPOT_TRAIN_LIST_TOOLTIP + this->type, TCC_RIGHT_CLICK);
 		}
 	}
 

src/window.cpp

@@ -384,6 +384,23 @@ static void DispatchRightClickEvent(Window *w, int x, int y)
 {
 	NWidgetCore *wid = w->nested_root->GetWidgetFromPos(x, y);
 
+	/* No widget to handle, or the window is not interested in it. */
+	if (wid == NULL || wid->index < 0) return;
+
+	Point pt = { x, y };
+	w->OnRightClick(pt, wid->index);
+}
+
+/**
+ * Dispatch hover of the mouse over a window.
+ * @param w Window to dispatch event in.
+ * @param x X coordinate of the click.
+ * @param y Y coordinate of the click.
+ */
+static void DispatchHoverEvent(Window *w, int x, int y)
+{
+	NWidgetCore *wid = w->nested_root->GetWidgetFromPos(x, y);
+
 	/* No widget to handle */
 	if (wid == NULL) return;
 
@@ -392,12 +409,6 @@ static void DispatchRightClickEvent(Window *w, int x, int y)
 		GuiShowTooltips(wid->tool_tip);
 		return;
 	}
-
-	/* Widget has no index, so the window is not interested in it. */
-	if (wid->index < 0) return;
-
-	Point pt = { x, y };
-	w->OnRightClick(pt, wid->index);
 }
 
 /**
@@ -2178,6 +2189,8 @@ static void MouseLoop(MouseClick click, int mousewheel)
 
 				/* fallthough */
 			case MC_RIGHT: DispatchRightClickEvent(w, x - w->left, y - w->top); break;
+
+			case MC_HOVER: DispatchHoverEvent(w, x - w->left, y - w->top); break;
 		}
 	}
 }

src/window_gui.h

@@ -900,7 +900,7 @@ enum TooltipCloseCondition {
 	TCC_HOVER,
 };
 
-void GuiShowTooltips(StringID str, uint paramcount = 0, const uint64 params[] = NULL, TooltipCloseCondition close_tooltip = TCC_RIGHT_CLICK);
+void GuiShowTooltips(StringID str, uint paramcount = 0, const uint64 params[] = NULL, TooltipCloseCondition close_tooltip = TCC_HOVER);
 
 /* widget.cpp */
 int GetWidgetFromPos(const Window *w, int x, int y);