From 1bcbc728c88885b4f36d05a0c891403527b40923 Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Fri, 13 Jan 2012 20:18:40 +0000
Subject: [PATCH] Mark the current visual tool as active in the toolbar

Originally committed to SVN as r6285.
---
 aegisub/src/command/vis_tool.cpp | 62 ++++++++++++--------------------
 aegisub/src/video_display.cpp    |  4 +++
 aegisub/src/video_display.h      |  4 +++
 3 files changed, 30 insertions(+), 40 deletions(-)

diff --git a/aegisub/src/command/vis_tool.cpp b/aegisub/src/command/vis_tool.cpp
index d8b7eeedd..ce12ee24b 100644
--- a/aegisub/src/command/vis_tool.cpp
+++ b/aegisub/src/command/vis_tool.cpp
@@ -42,88 +42,70 @@ namespace {
 	/// @defgroup cmd-visual Visual typesetting tools commands
 	/// @{
 
-	struct validator_video_loaded : public Command {
-		CMD_TYPE(COMMAND_VALIDATE)
-			bool Validate(const agi::Context *c) {
-				return c->videoController->IsLoaded();
+	template<class T>
+	struct visual_tool_command : public Command {
+		CMD_TYPE(COMMAND_VALIDATE | COMMAND_RADIO)
+
+		bool Validate(const agi::Context *c) {
+			return c->videoController->IsLoaded();
+		}
+
+		bool IsActive(const agi::Context *c) {
+			return c->videoDisplay->ToolIsType(typeid(T));
+		}
+
+		void operator()(agi::Context *c) {
+			c->videoDisplay->SetTool(new T(c->videoDisplay, c));
 		}
 	};
 
-	struct visual_mode_cross : public validator_video_loaded {
+	struct visual_mode_cross : public visual_tool_command<VisualToolCross> {
 		CMD_NAME("video/tool/cross")
 		STR_MENU("Standard")
 		STR_DISP("Standard")
 		STR_HELP("Standard mode, double click sets position.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolCross(c->videoDisplay, c));
-		}
 	};
 
-	struct visual_mode_drag : public validator_video_loaded {
+	struct visual_mode_drag : public visual_tool_command<VisualToolDrag> {
 		CMD_NAME("video/tool/drag")
 		STR_MENU("Drag")
 		STR_DISP("Drag")
 		STR_HELP("Drag subtitles.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolDrag(c->videoDisplay, c));
-		}
 	};
 
-	struct visual_mode_rotate_z : public validator_video_loaded {
+	struct visual_mode_rotate_z : public visual_tool_command<VisualToolRotateZ> {
 		CMD_NAME("video/tool/rotate/z")
 		STR_MENU("Rotate Z")
 		STR_DISP("Rotate Z")
 		STR_HELP("Rotate subtitles on their Z axis.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolRotateZ(c->videoDisplay, c));
-		}
 	};
 
-	struct visual_mode_rotate_xy : public validator_video_loaded {
+	struct visual_mode_rotate_xy : public visual_tool_command<VisualToolRotateXY> {
 		CMD_NAME("video/tool/rotate/xy")
 		STR_MENU("Rotate XY")
 		STR_DISP("Rotate XY")
 		STR_HELP("Rotate subtitles on their X and Y axes.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolRotateXY(c->videoDisplay, c));
-		}
 	};
 
-	struct visual_mode_scale : public validator_video_loaded {
+	struct visual_mode_scale : public visual_tool_command<VisualToolScale> {
 		CMD_NAME("video/tool/scale")
 		STR_MENU("Scale")
 		STR_DISP("Scale")
 		STR_HELP("Scale subtitles on X and Y axes.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolScale(c->videoDisplay, c));
-		}
 	};
 
-	struct visual_mode_clip : public validator_video_loaded {
+	struct visual_mode_clip : public visual_tool_command<VisualToolClip> {
 		CMD_NAME("video/tool/clip")
 		STR_MENU("Clip")
 		STR_DISP("Clip")
 		STR_HELP("Clip subtitles to a rectangle.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolClip(c->videoDisplay, c));
-		}
 	};
 
-	struct visual_mode_vector_clip : public validator_video_loaded {
+	struct visual_mode_vector_clip : public visual_tool_command<VisualToolVectorClip> {
 		CMD_NAME("video/tool/vector_clip")
 		STR_MENU("Vector Clip")
 		STR_DISP("Vector Clip")
-		STR_HELP("Clip subtitles to a vectorial arean.")
-
-		void operator()(agi::Context *c) {
-			c->videoDisplay->SetTool(new VisualToolVectorClip(c->videoDisplay, c));
-		}
+		STR_HELP("Clip subtitles to a vectorial area.")
 	};
 }
 
diff --git a/aegisub/src/video_display.cpp b/aegisub/src/video_display.cpp
index 0c133d255..b9484d35e 100644
--- a/aegisub/src/video_display.cpp
+++ b/aegisub/src/video_display.cpp
@@ -421,6 +421,10 @@ void VideoDisplay::SetTool(VisualToolBase *new_tool) {
 	UpdateSize();
 }
 
+bool VideoDisplay::ToolIsType(std::type_info const& type) const {
+	return typeid(*tool) == type;
+}
+
 Vector2D VideoDisplay::GetMousePosition() const {
 	return mouse_pos ? tool->ToScriptCoords(mouse_pos) : mouse_pos;
 }
diff --git a/aegisub/src/video_display.h b/aegisub/src/video_display.h
index 3a5d5e684..8c152a07d 100644
--- a/aegisub/src/video_display.h
+++ b/aegisub/src/video_display.h
@@ -41,6 +41,8 @@
 #include <wx/glcanvas.h>
 #endif
 
+#include <typeinfo>
+
 #include <libaegisub/scoped_ptr.h>
 #include <libaegisub/signal.h>
 
@@ -166,4 +168,6 @@ public:
 	Vector2D GetMousePosition() const;
 
 	void SetTool(VisualToolBase *new_tool);
+
+	bool ToolIsType(std::type_info const& type) const;
 };