[ justnena @ 31.08.2013. 12:11 ] @
Zdravo svima! Pocela sam da pravim tekst editor pomocu curses biblioteke. Vecina f-ja radi kako treba, ali sam zapela kod markiranja teksta. Isto tako, zelela bih da implementiram neki meni, tako da se u njemu moze kretati strelicama. U handleInput metodi je kontrola pritiska na tastere, drow metoda je za iscrtavanje prozora. Koristila sam dvostruko spregnutu listu za cuvanje teksta, a pomocu tree-a treba implementirati taj meni. Cenila bih bilo kakvu pomoc ili predlog? import curses import string from dlist_mod import DoubleList from tree import TreeNode from stack_mod import Stack import logging stdscr=curses.initscr() curses.start_color() stdscr.keypad(1) curses.noecho() curses.cbreak() logging.basicConfig(filename = "editor.log") KEY_CTRL_F = 6 KEY_BACKSPACE = 8 KEY_ENTER = 343 KEY_SHIFT_LEFT = 391 KEY_SHIFT_RIGHT = 400 KEY_SHIFT_DOWN = 548 KEY_SHIFT_UP = 547 KEY_CTRL_H = 77 KEY_CTRL_E = 5 KEY_CTRL_R = 7 KEY_CTRL_S = 4 KEY_CTRL_X = 24 KEY_CTRL_N = 14 KEY_CTRL_V = 22 class Editor: """klasa Editor""" def __init__(self, stdscr): """"inicijalizacija""" self.stdscr = stdscr self.maxy, self.maxx = self.stdscr.getmaxyx() curses.init_pair(1, curses.COLOR_BLUE, curses.COLOR_WHITE) self.undoStack = Stack() self.redoStack = Stack() self.lines = DoubleList() self.lines.append("6)Like s str other dynamic languages, Python is often used as a scripting language, but is also used in a wide range of non-scripting contexts.") self.lines.append("7)Using third-party tools, Python code can be packaged into standalone executable programs.") self.lines.append("3)The language provides constructs intended to enable clear programs on both a small and large scale.") self.lines.append("4)Python supports multiple programming paradigms, including object-oriented, imperative and functional programming styles.") self.lines.append("5)It features a dynamic type system and automatic memory management and has a large and comprehensive standard library.") self.lines.append("8)Python interpreters are available for many operating systems. ") self.lines.append("9)CPython, the reference implementation of Python, is free and open source software and has a community-based development model.") self.lines.append("1)Python is a popular general-purpose, high-level programming language whose design philosophy emphasizes code readability.") self.lines.append("2)Python's syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C.") self.cursorY = 0 self.cursorX = 0 self.offsetY = 0 self.offsetX = 0 self.selectX = 0 self.selectY = 0 self.isSelecting = False self.mainMenu = TreeNode("") self.fileMenu=TreeNode("File") self.mainMenu.children.append(self.fileMenu) newMenu=TreeNode("New") self.fileMenu.children.append(newMenu) openMenu=TreeNode("Open") self.fileMenu.children.append(openMenu) saveMenu=TreeNode("Save") self.fileMenu.children.append(saveMenu) saveAsMenu=TreeNode("Save as") self.fileMenu.children.append(saveAsMenu) exitMenu=TreeNode("Exit") self.fileMenu.children.append(exitMenu) editMenu=TreeNode("Edit") self.mainMenu.children.append(editMenu) cutMenu=TreeNode("Cut") editMenu.children.append(cutMenu) copyMenu=TreeNode("Copy") editMenu.children.append(copyMenu) pasteMenu=TreeNode("Paste") editMenu.children.append(pasteMenu) viewMenu=TreeNode("View") self.mainMenu.children.append(viewMenu) showLinesMenu=TreeNode("Show lines") viewMenu.children.append(showLinesMenu) toolsMenu=TreeNode("Tools") self.mainMenu.children.append(toolsMenu) optionsMenu=TreeNode("Options") toolsMenu.children.append(optionsMenu) def draw(self): """Ova funkcija sluzi za iscrtavanje prozora""" # iscrtavanje self.maxy, self.maxx = self.stdscr.getmaxyx() self.stdscr.clear() for i, line in enumerate(self.lines.values()): # ograniciti prostor ispisa dy = i - self.offsetY+1 visibleLine = line[self.offsetX:self.maxx + self.offsetX - 1] self.stdscr.addstr(dy, 0, visibleLine) if dy >= 0 and dy < self.maxy: for l in line: if self.isSelecting and self.selectY == i: x1 = min(self.selectX, self.cursorX) x2 = max(self.selectX,self.cursorX) preSelectedLine = line [:x1] SelectedLine = line [x1:x2] postSelectedLine = line [x2:] self.stdscr.addstr(dy,0,preSelectedLine)#, curses.color_pair(1)) self.stdscr.addstr(dy,x1,SelectedLine, curses.color_pair(1)) self.stdscr.addstr(dy,x2,postSelectedLine)#, curses.color_pair(1)) elif self.isSelecting and self.selectY == i: x1 = min(self.selectX, self.cursorX) x2 = max(self.selectX,self.cursorX) preSelectedLine = line [:x2] SelectedLine = line [x1:x2] postSelectedLine = "" self.stdscr.addstr(dy,0,preSelectedLine)#, curses.color_pair(1)) self.stdscr.addstr(dy,x1,SelectedLine, curses.color_pair(1)) # self.stdscr.addstr(dy,x2,postSelectedLine)#, curses.color_pair(1)) topMenuX = 0 for topMenu in self.mainMenu.children: topMenuStr = topMenu.data self.stdscr.addstr(0,topMenuX,topMenuStr) topMenuX += len(topMenuStr) + 1 self.stdscr.move(self.cursorY - self.offsetY + 1, self.cursorX - self.offsetX) def left(self): """Funkcija za pomeranje u levo.""" if self.cursorX > 0: if self.cursorX == self.offsetX: self.offsetX -= 1 self.cursorX -= 1 elif self.cursorY > 0: self.cursorY -= 1 self.end() def right(self): """ Funkcija za pomeranje kursora desno.""" self.maxy, self.maxx = self.stdscr.getmaxyx() line = self.lines.index(self.cursorY) if self.cursorX < len(line): if self.cursorX - self.offsetX == self.maxx - 1: self.offsetX += 1 self.cursorX += 1 elif self.cursorY != self.lines.size() - 1: self.home() self.down() def down(self): """Funkcija za pomeranje kursora dole.""" if self.cursorY < self.lines.size() - 1: if self.cursorY - self.offsetY == self.maxy - 1: self.offsetY += 1 self.cursorY += 1 line = self.lines.index(self.cursorY) while self.cursorX > len(line): self.left() def up(self): """Funkcija za pomeranje kursora gore.""" if self.cursorY > 0: if self.offsetY == self.cursorY: self.offsetY -= 1 self.cursorY -= 1 line = self.lines.index(self.cursorY) while self.cursorX > len(line): self.left() def printCh(self, ch): # trenutna linija line = self.lines.index(self.cursorY) # ubacivanje novih slova u liniju line = line[:self.cursorX] + chr(ch) + line[self.cursorX:] # menjanje linije self.lines.insertIndex(self.cursorY, line) self.lines.removeIndex(self.cursorY + 1) self.right() def handleInput(self): ch = self.stdscr.getch() logging.error(ch) if ch == curses.KEY_LEFT: if self.isSelecting: self.isSelecting = False self.left() elif ch == curses.KEY_RIGHT: if self.isSelecting: self.isSelecting = False self.right() elif ch == curses.KEY_DOWN: self.down() elif ch == curses.KEY_UP: self.up() elif ch == 442: self.redo() elif ch == 26: self.undo() elif ch == curses.KEY_F5: self.load() elif ch == curses.KEY_F6: self.save() elif ch == curses.KEY_F9: self.save() self.saveAs() elif ch == 18: self.replace() elif ch == KEY_SHIFT_RIGHT: if not self.isSelecting: self.isSelecting = True self.selectX = self.cursorX self.selectY = self.cursorY self.right() elif ch == KEY_SHIFT_UP: # Pretrazivanje self.shiftUp() elif ch == KEY_SHIFT_LEFT: # Pretrazivanje self.ShiftLeft() elif ch == KEY_SHIFT_DOWN: # Pretrazivanje if not self.isSelecting: self.isSelecting = True self.selectX = self.cursorX self.selectY = self.cursorY self.down() elif ch == KEY_CTRL_H: # selektovanje od trenutne pozicije kursora ka pocetku reda if not self.isSelecting: self.isSelecting = True self.selectX = self.cursorX self.selectY = self.cursorY self.home() elif ch == curses.KEY_END: if self.isSelecting: self.isSelecting = False self.end() elif ch == KEY_CTRL_E: # selektovanje od trenutne pozicije kursora ka kraju reda u dokumentu if not self.isSelecting: self.isSelecting = True self.selectX = self.cursorX self.selectY = self.cursorY self.end() elif ch == 27: # Escape izlaz iz programa exit() elif ch < 127 and chr(ch) in string.printable: state = self.saveState() self.undoStack.push(state) self.redoStack.push(state) self.redoStack = Stack() # trenutna linija line = self.lines.index(self.cursorY) # ubacivanje slova u liniju line = line[:self.cursorX] + chr(ch) + line[self.cursorX:] # modifikovanje linije self.lines.insertIndex(self.cursorY, line) self.lines.removeIndex(self.cursorY + 1) self.right() def loop(self): while True: self.draw() self.handleInput() def main(stdscrLocal): global stdscr stdscr = stdscrLocal editor = Editor(stdscr) editor.loop() if __name__ == "__main__": curses.wrapper(main) [Ovu poruku je menjao justnena dana 01.09.2013. u 16:52 GMT+1] |