Added pan tool

src/DrawingProgram/PanCanvasTool.cpp

@@ -0,0 +1,35 @@
+#include "PanCanvasTool.hpp"
+#include "DrawingProgram.hpp"
+#include "../MainProgram.hpp"
+#include "../DrawData.hpp"
+#include "DrawingProgramToolBase.hpp"
+#include <Helpers/Logger.hpp>
+
+PanCanvasTool::PanCanvasTool(DrawingProgram& initDrawP):
+    DrawingProgramToolBase(initDrawP)
+{
+}
+
+DrawingProgramToolType PanCanvasTool::get_type() {
+    return DrawingProgramToolType::PAN;
+}
+
+void PanCanvasTool::gui_toolbox() {
+    Toolbar& t = drawP.world.main.toolbar;
+    t.gui.push_id("Pan canvas tool");
+    t.gui.text_label_centered("Pan tool");
+    t.gui.pop_id();
+}
+
+void PanCanvasTool::tool_update() {
+}
+
+bool PanCanvasTool::prevent_undo_or_redo() {
+    return false;
+}
+
+void PanCanvasTool::draw(SkCanvas* canvas, const DrawData& drawData) {
+}
+
+void PanCanvasTool::switch_tool(DrawingProgramToolType newTool) {
+}