visual tools: Add general interface for setting subtools

src/command/vis_tool.cpp

@@ -59,12 +59,12 @@ namespace {
 		}
 
 		bool IsActive(const agi::Context *c) override {
-			return c->videoDisplay->ToolIsVectorClipTool(M);
+			return c->videoDisplay->ToolIsType(typeid(VisualToolVectorClip)) && c->videoDisplay->GetSubTool() == M;
 		}
 
 		void operator()(agi::Context *c) override {
 			c->videoDisplay->SetTool(agi::make_unique<VisualToolVectorClip>(c->videoDisplay, c));
-			c->videoDisplay->SetVectorClipTool(M);
+			c->videoDisplay->SetSubTool(M);
 		}
 	};
 

src/video_display.cpp

@@ -428,23 +428,10 @@ void VideoDisplay::SetTool(std::unique_ptr<VisualToolBase> new_tool) {
 	}
 }
 
-bool VideoDisplay::SetVectorClipTool(VisualToolVectorClipMode vcliptoolmode) const {
-	if (ToolIsType(typeid(VisualToolVectorClip))) {
-		static_cast<VisualToolVectorClip*>(tool.get())->SetMode(vcliptoolmode);
-		return true;
-	} else {
-		return false;
-	}
-}
-
 bool VideoDisplay::ToolIsType(std::type_info const& type) const {
 	return tool && typeid(*tool) == type;
 }
 
-bool VideoDisplay::ToolIsVectorClipTool(VisualToolVectorClipMode vcliptoolmode) const {
-	return ToolIsType(typeid(VisualToolVectorClip)) && static_cast<VisualToolVectorClip*>(tool.get());
-}
-
 Vector2D VideoDisplay::GetMousePosition() const {
 	return last_mouse_pos ? tool->ToScriptCoords(last_mouse_pos) : last_mouse_pos;
 }

src/video_display.h

@@ -166,13 +166,11 @@ public:
 
 	void SetTool(std::unique_ptr<VisualToolBase> new_tool);
 
-	/// Will only set the vector clip mode if the vector clip tool is active already,
-	/// otherwise it just returns false.
-	bool SetVectorClipTool(VisualToolVectorClipMode vcliptoolmode) const;
+	void SetSubTool(int subtool) const { tool->SetSubTool(subtool); };
 
 	bool ToolIsType(std::type_info const& type) const;
 
-	bool ToolIsVectorClipTool(VisualToolVectorClipMode vcliptoolmode) const;
+	int GetSubTool() const { return tool->GetSubTool(); };
 
 	/// Discard all OpenGL state
 	void Unload();

src/visual_tool.h

@@ -146,6 +146,8 @@ public:
 	virtual void Draw()=0;
 	virtual void SetDisplayArea(int x, int y, int w, int h);
 	virtual void SetToolbar(wxToolBar *) { }
+	virtual void SetSubTool(int subtool) { }
+	virtual int GetSubTool() { return 0; }
 	virtual ~VisualToolBase() = default;
 };
 

src/visual_tool_vector_clip.cpp

@@ -42,15 +42,7 @@ VisualToolVectorClip::VisualToolVectorClip(VideoDisplay *parent, agi::Context *c
 // as is done in toolbar.cpp feels like too big of a hack. At least this way the button's actions
 // are not purely controlled by the order they're added in.
 void VisualToolVectorClip::AddTool(std::string command_name, VisualToolVectorClipMode mode) {
-	cmd::Command *command;
-	try {
-		command = cmd::get(command_name);
-	}
-	catch (cmd::CommandNotFound const&) {
-		// Toolbar names are all hardcoded so this should never happen
-		throw agi::InternalError("Toolbar named " + command_name + " not found.");
-	}
-
+	cmd::Command *command = cmd::get(command_name);
 	int icon_size = OPT_GET("App/Toolbar Icon Size")->GetInt();
 	toolBar->AddTool(BUTTON_ID_BASE + mode, command->StrDisplay(c), command->Icon(icon_size), command->GetTooltip("Video"), wxITEM_CHECK);
 }
@@ -75,24 +67,23 @@ void VisualToolVectorClip::SetToolbar(wxToolBar *toolBar) {
 	toolBar->ToggleTool(BUTTON_ID_BASE + VCLIP_DRAG, true);
 	toolBar->Realize();
 	toolBar->Show(true);
-	toolBar->Bind(wxEVT_TOOL, [=](wxCommandEvent& e) { SetMode((VisualToolVectorClipMode) (e.GetId() - BUTTON_ID_BASE)); });
-	SetMode(VCLIP_LINE);
-#undef ICON
+	toolBar->Bind(wxEVT_TOOL, [=](wxCommandEvent& e) { SetSubTool(e.GetId() - BUTTON_ID_BASE); });
+	SetSubTool(VCLIP_LINE);
 }
 
-void VisualToolVectorClip::SetMode(VisualToolVectorClipMode new_mode) {
+void VisualToolVectorClip::SetSubTool(int subtool) {
 	if (toolBar == nullptr) {
 		throw agi::InternalError("Vector clip toolbar hasn't been set yet!");
 	}
 	// Manually enforce radio behavior as we want one selection in the bar
 	// rather than one per group
 	for (int i = 0; i < VCLIP_LAST; i++)
-		toolBar->ToggleTool(BUTTON_ID_BASE + i, i == new_mode);
+		toolBar->ToggleTool(BUTTON_ID_BASE + i, i == subtool);
 
-	mode = new_mode;
+	mode = subtool;
 }
 
-VisualToolVectorClipMode VisualToolVectorClip::GetMode() {
+int VisualToolVectorClip::GetSubTool() {
 	return mode;
 }
 
@@ -452,7 +443,7 @@ void VisualToolVectorClip::UpdateHold() {
 
 	// End freedraw
 	if (!holding && (mode == VCLIP_FREEHAND || mode == VCLIP_FREEHAND_SMOOTH)) {
-		SetMode(VCLIP_DRAG);
+		SetSubTool(VCLIP_DRAG);
 		MakeFeatures();
 	}
 }

src/visual_tool_vector_clip.h

@@ -49,7 +49,7 @@ struct VisualToolVectorClipDraggableFeature final : public VisualDraggableFeatur
 class VisualToolVectorClip final : public VisualTool<VisualToolVectorClipDraggableFeature> {
 	Spline spline; /// The current spline
 	wxToolBar *toolBar = nullptr; /// The subtoolbar
-	VisualToolVectorClipMode mode = VCLIP_DRAG; /// 0-7
+	int mode = VCLIP_DRAG; /// 0-7
 	bool inverse = false; /// is iclip?
 
 	std::set<Feature *> box_added;
@@ -75,9 +75,6 @@ public:
 	VisualToolVectorClip(VideoDisplay *parent, agi::Context *context);
 	void SetToolbar(wxToolBar *tb) override;
 
-	/// @brief Set the mode. Only valid if the tool is already active.
-	/// @param mode
-	void SetMode(VisualToolVectorClipMode mode);
-
-	VisualToolVectorClipMode GetMode();
+	void SetSubTool(int subtool) override;
+	int GetSubTool() override;
 };