From 39a9e678c2bb3d8a93b1e86377d0d334c5306348 Mon Sep 17 00:00:00 2001 From: Frederic Back Date: Fri, 22 Sep 2006 13:40:20 +0000 Subject: * Made a first python package git-svn-id: file:///home/lennart/svn/public/fring/trunk@4 d0d2c35f-0a1e-0410-abeb-dabff30a67ee --- src/fringlib/fringui.py | 276 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 276 insertions(+) create mode 100644 src/fringlib/fringui.py (limited to 'src/fringlib/fringui.py') diff --git a/src/fringlib/fringui.py b/src/fringlib/fringui.py new file mode 100644 index 0000000..f6e231b --- /dev/null +++ b/src/fringlib/fringui.py @@ -0,0 +1,276 @@ +import gtk +import cairo +import sys +import os + +from fringwalker import FringWalker +from fringrenderer import FringRenderer + +GPL = """ +fring is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +fring is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with fring; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +USA. +""" + +ui = """ + + + + + + + + + + + + + + + + + + + + + + + + + + +""" + + +class UI( gtk.Window ): + + def __init__(self, path): + self.backgroundColour = (1,1,1) + self.data = None + self.zoomfactor = 1.0 + self.renderer = FringRenderer() + self.walker = FringWalker(); + + # create gui + gtk.Window.__init__(self) + self.set_title("fring"); + self.__init_gui(path) + + # walk directory + self.walker.connect("list-changed",self.__list_changed) + self.open_folder(path) + + + def __init_gui(self, path): + + # create menubar + uimanager = gtk.UIManager() + accelgroup = uimanager.get_accel_group() + self.add_accel_group(accelgroup) + ag_global = gtk.ActionGroup('ag_global') + ag_global.add_actions([ + ('FRing', None, "_Folder"), + ('View', None, "_View"), + ('Help', None, "_Help"), + ('OpenParent', gtk.STOCK_GO_UP, "Open _Parent", "Up", "Open the parent folder", self.open_parent), + ('SelectFolder', gtk.STOCK_OPEN, "_Open Folder...", None, "Open Folder...", self.__selectfolder), + ('Quit', gtk.STOCK_QUIT, "_Quit", None, "Quit", self.close), + ('Zoom In', gtk.STOCK_ZOOM_IN, "Zoom _In", "Up", "Zoom In", lambda w: self.zoom(w,0.2)), + ('Zoom Out', gtk.STOCK_ZOOM_OUT, "Zoom _Out", "Down", "Zoom Out", lambda w: self.zoom(w,-0.2)), + ('Save Image...', gtk.STOCK_SAVE_AS, "_Save Image...", None, "Save Image...", self.save_image), + ('Refresh', gtk.STOCK_REFRESH, "_Refresh Tree", "R", "Refresh Tree", lambda w: self.__set_path(self.path)), + ('About', gtk.STOCK_ABOUT, "_About", None, "About", self.about_dialog), + ]) + action = gtk.ToggleAction("Show Hidden Files", "Show Hidden Files", None, None) + action.connect("toggled",self.__hidden_files_toggled) + ag_global.add_action(action) + uimanager.insert_action_group(ag_global, 0) + uimanager.add_ui_from_string(ui) + menubar = uimanager.get_widget('/MenuBar') + menubar.show() + + # create toolbar + toolbar = gtk.HBox() + + b = gtk.Button() + img = gtk.image_new_from_stock(gtk.STOCK_GO_UP, gtk.ICON_SIZE_BUTTON) + b.set_property("image", img) + uimanager.get_action("/MenuBar/FRing/OpenParent").connect_proxy(b) + toolbar.pack_start( b, False ) + + b = gtk.FileChooserButton('Select a Folder') + b.set_action(gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER) + b.connect("current-folder-changed", lambda w: self.__set_path(w.get_current_folder())) + toolbar.pack_start( b, True ) + self.filechooserbutton = b + + # create canvas + self.eventbox = gtk.EventBox() + self.image = gtk.Image() + self.eventbox.add(self.image) + self.eventbox.add_events( gtk.gdk.EXPOSURE_MASK + | gtk.gdk.LEAVE_NOTIFY_MASK + | gtk.gdk.BUTTON_PRESS_MASK + | gtk.gdk.POINTER_MOTION_MASK ) + self.eventbox.connect("scroll_event", self.__scroll_event) + self.eventbox.connect("button-press-event",self.__click_event) + self.eventbox.connect("motion-notify-event",self.__move_event) + + # aligh menubar, toolbar and canvas vertically + vbox = gtk.VBox(); + vbox.pack_start(menubar,False,False) + vbox.pack_start(toolbar,False,False) + f = gtk.Frame() + f.set_shadow_type(gtk.SHADOW_IN) + f.add(self.eventbox) + vbox.pack_start(f) + self.add(vbox) + + # show everything + # Note: With set_default_size, the image can't be downsized. + self.set_size_request(100,100) # minimum size, needed! + self.resize(500,350) + self.show_all() + self.__create_canvas() + self.eventbox.connect("size-allocate",self.__on_resize) + self.connect("delete_event", self.close) + + def open_folder(self,path): + print "open",path + # change folder by changing the chooser button + self.filechooserbutton.set_current_folder(path) + + def about_dialog(self,widget): + d = gtk.AboutDialog() + d.set_name("fring"); + d.set_license(GPL); + d.set_copyright("copyright 2006 Lennart Poettering, Frederic Back") + d.run() + d.destroy() + + def close(self,w=None,e=None): + self.walker.stop() + self.destroy() + gtk.main_quit() + + def open_parent(self,widget): + p = os.path.split(self.path) + p = os.path.join(p[:-1]) + self.open_folder(p[0]) + + def zoom(self,widget,factor): + self.zoomfactor += factor + if self.zoomfactor < 0: + self.zoomfactor = 0 + self.redraw() + + def redraw(self,widget=None): + # clear the canvas + self.ctx.rectangle(0,0,self.width,self.height) + self.ctx.set_source_rgb(*self.backgroundColour) + self.ctx.fill() + + # draw segments + if not self.data: return + self.renderer.WIDTH = self.width + self.renderer.HEIGHT = self.height + self.renderer.INNER_RADIUS = self.height/15 + self.renderer.RING_RADIUS = self.height/10 + #self.renderer.INNER_RADIUS *= self.zoomfactor + self.renderer.RING_RADIUS *= self.zoomfactor + self.renderer.RINGS_MAX = 3 + + self.renderer.LABEL_UNTIL_RING = int(self.zoomfactor - 0.4) + if self.zoomfactor < 0.8: self.renderer.LABEL_UNTIL_RING = -1 + + self.renderer.hotspots = [] + self.renderer.draw_segment(self.ctx, 0, 0, 1, 0, 1, self.data, self.path) + self.image.queue_draw() + + def save_image(self, widget=None): + d = gtk.FileChooserDialog("Save As...", + self.get_toplevel(), gtk.FILE_CHOOSER_ACTION_SAVE, + (gtk.STOCK_CANCEL,0,gtk.STOCK_OK,1), None) + d.set_current_name( self.data.name.replace(" ","_") + ".png" ) + r = d.run() + if r == 1: + #print d.get_uri() + pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,True,8,self.width,self.height) + pixmap, mask = self.image.get_pixmap() + pixbuf.get_from_drawable(pixmap,pixmap.get_colormap(),0,0,0,0,-1,-1) + #pixbuf.save(d.get_filename(), "jpeg", {"quality":"100"}) + pixbuf.save(d.get_filename(), "png", {}) + d.destroy() + + #----------------------------------------------------------- private methods + + def __set_path(self,path): + """ Set a path and start parsing. Also used to refresh or reset. """ + self.path = path + self.walker.stop() + if path is None: return + self.walker.walk(path); + + def __selectfolder(self,widget): + """ Open a dialog to select a folder """ + d = gtk.FileChooserDialog(None, self, + gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER, + (gtk.STOCK_CANCEL,0,gtk.STOCK_OK,1)) + if d.run() == 1: self.open_folder(d.get_current_folder()) + d.destroy() + + def __hidden_files_toggled(self,widget): + if self.walker.showhidden == widget.get_active(): return + self.walker.showhidden = widget.get_active() + self.__set_path(self.path) + + def __move_event(self, widget, event): + f = self.renderer.get_hotspot_at(event.x, event.y) + if f is None: + self.eventbox.window.set_cursor(None) #gtk.gdk.Cursor(gtk.gdk.CROSSHAIR)) + else: + self.eventbox.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.HAND1)) + + def __click_event(self, widget, event): + f = self.renderer.get_hotspot_at(event.x, event.y) + if f is not None: self.open_folder(f) + + def __scroll_event(self, widget, event): + if event.direction is gtk.gdk.SCROLL_UP: + self.zoom(widget, 0.2) + elif event.direction is gtk.gdk.SCROLL_DOWN: + self.zoom(widget, -0.2) + + def __create_canvas(self): + # create a new pixmap and cairo context + r = self.eventbox.get_allocation() + self.width, self.height = r.width, r.height + self.pixmap = gtk.gdk.Pixmap(self.window,r.width,r.height) + self.image.set_from_pixmap(self.pixmap,None) + self.ctx = self.pixmap.cairo_create() + self.renderer.prepare_layouts(self.ctx) + + def __list_changed(self,widget,data): + self.data = data + self.redraw() + #print data.name + + def __on_resize(self, widget, event): + r = self.eventbox.get_allocation() + if (r.width,r.height) != (self.width,self.height): + self.__create_canvas() + self.redraw() + + + -- cgit