minor fixes of scrolling; performance boost by culling to current view buffer

CMakeLists.txt

@@ -23,4 +23,6 @@ include_directories(
 
 add_executable(groove main.cpp ${SOURCE_FILES} ${HEADER_FILES})
 
-target_link_libraries(groove ncursesw)
+target_link_libraries(groove ncursesw)
+
+install(TARGETS groove DESTINATION /usr/bin)

src/Editor.cpp

@@ -55,11 +55,11 @@ namespace groove {
 	}
 
 	void Editor::render() {
-		int linenumber = 0;
+		long linenumber = this->offset;
 		this->vspace = Editor::Digits(this->buffer->linebuffer().size()) + 2;
 		clear();
-		for (int i = 0; i < LINES - 1 + this->offset; i++) {
-			unsigned long ln = static_cast<unsigned long>(std::sqrt(std::pow(static_cast<double>(this->y - linenumber), 2)));
+		for (int i = this->offset; i < LINES - 1 + this->offset; i++) {
+			long ln = static_cast<long>(std::sqrt(std::pow(static_cast<double>(this->y - linenumber), 2)));
 			ln = ln == 0 ? linenumber : ln;
 			if(i >= this->buffer->linebuffer().size()) {
 				move(i - this->offset, 0);
@@ -68,15 +68,15 @@ namespace groove {
 			else {
 				std::string line = this->buffer->at(i);
 				Highlighter highlighter(line);
-				std::unordered_map<int, std::pair<int, ncurses::Colors>> hilist = highlighter.get();
-				int x = this->vspace;
-				int found = -1;
-				int len = -1;
+				std::unordered_map<long, std::pair<long, ncurses::Colors>> hilist = highlighter.get();
+				long x = this->vspace;
+				long found = -1;
+				long len = -1;
 				std::string label = std::string(x - Editor::Digits(ln) - 1, ' ');
 				label += std::to_string(ln) + ' ';
 				if (linenumber != this->y)
 					attron(A_REVERSE);
-				mvprintw(i - this->offset, 0, label.c_str());
+				mvprintw(i - offset, 0, label.c_str());
 				if (linenumber != this->y)
 					attroff(A_REVERSE);
 				for (auto& car : line) {
@@ -119,8 +119,8 @@ namespace groove {
 		attroff(COLOR_PAIR(ncurses::Colors::STATUSBAR));
 	}
 
-	unsigned long Editor::Digits(unsigned long number) {
-		return number > 0 ? static_cast<unsigned long>(log10 ((double) number) + 1) : 1;
+	long Editor::Digits(long number) {
+		return number > 0 ? static_cast<long>(log10 ((double) number) + 1) : 1;
 	}
 
 }

src/Editor.hpp

@@ -25,9 +25,9 @@ namespace groove {
 		friend class modes::Quit;
 		friend class modes::Save;
 	private:
-		unsigned long x, y;
+		long x, y;
 		int offset;
-		unsigned long vspace;
+		long vspace;
 		char lastChar = 0;
 		std::unique_ptr<Buffer> buffer;
 		Mode mode_;
@@ -73,7 +73,7 @@ namespace groove {
 				return;
 			}
 			if (this->x >= this->buffer->linebuffer().at(this->y).length()) {
-				unsigned long length = this->buffer->linebuffer().at(this->y).length();
+				long length = this->buffer->linebuffer().at(this->y).length();
 				this->x = length > 0 ? length - 1 : 0;
 			}
 			this->scrollUp();
@@ -85,7 +85,7 @@ namespace groove {
 				return;
 			}
 			if (this->x >= this->buffer->linebuffer().at(this->y).length()) {
-				unsigned long length = this->buffer->linebuffer().at(this->y).length();
+				long length = this->buffer->linebuffer().at(this->y).length();
 				this->x = length > 0 ? length - 1 : 0;
 			}
 			this->scrollDown();
@@ -116,7 +116,7 @@ namespace groove {
 		}
 		void input(int c);
 		void render();
-		static unsigned long Digits(unsigned long number);
+		static long Digits(long number);
 	};
 
 }

src/Highlighter.cpp

@@ -14,11 +14,11 @@ namespace groove {
 			make_pair("\\\".*\\\"", ncurses::Colors::ORANGE),
 			make_pair("/\\*.*\\*//*", ncurses::Colors::ORANGE),
 			make_pair("(//.*)", ncurses::Colors::ORANGE),
-			make_pair("(^#.*)", ncurses::Colors::ORANGE)
+			make_pair("(#.*<.*>$)", ncurses::Colors::ORANGE)
 	};
 
-	std::unordered_map<int, std::pair<int, ncurses::Colors>> groove::Highlighter::get() {
-		std::unordered_map<int, std::pair<int, ncurses::Colors>> list;
+	std::unordered_map<long, std::pair<long, ncurses::Colors>> groove::Highlighter::get() {
+		std::unordered_map<long, std::pair<long, ncurses::Colors>> list;
 
 		for (auto& keyword : Highlighter::list) {
 			try {

src/Highlighter.hpp

@@ -18,7 +18,7 @@ namespace groove {
 		static std::vector<std::pair<std::regex, ncurses::Colors>> list;
 	public:
 		Highlighter(std::string line) : line(line) {}
-		std::unordered_map<int, std::pair<int, ncurses::Colors>> get();
+		std::unordered_map<long, std::pair<long, ncurses::Colors>> get();
 	};
 
 }

src/modes/Edit.cpp

@@ -28,7 +28,7 @@ namespace groove {
 					this->editor.clipboard = this->editor.buffer->at(this->editor.y);
 					this->editor.buffer->remove(this->editor.y);
 					break;
-				case 'p':
+				case 'v':
 					this->editor.buffer->insert(this->editor.clipboard, this->editor.y);
 					this->editor.y++;
 					this->editor.x = this->editor.buffer->at(this->editor.y).size();

src/modes/Edit.hpp

@@ -9,7 +9,7 @@ namespace groove {
 		public:
 			using Mode::Mode;
 			std::string status() {
-				return "[E]" + this->status_;
+				return this->status_;
 			}
 			void input(int c);
 		};

src/modes/Insert.hpp

@@ -9,7 +9,7 @@ namespace groove {
 		public:
 			using Mode::Mode;
 			std::string status() {
-				return "[I]" + this->status_;
+				return " -- INSERT --" + this->status_;
 			}
 			void input(int c);
 		};