""" Embedded browser windows with a minimal frame. This will use the native web browser library on Mac (WebKit) and Windows (IE); on Linux it will default to the simpler wx.html.HtmlWindow. This is used in the Phenix GUI to display documentation. """ from __future__ import absolute_import, division, print_function import wxtbx.bitmaps import wx.html import wx class browser_frame(wx.Frame): def __init__(self, *args, **kwds): wx.Frame.__init__(self, *args, **kwds) szr = wx.BoxSizer(wx.VERTICAL) self.SetSizer(szr) self._was_shown = False self._is_default_viewer = False self.viewer = None _import_error = None if (wx.Platform == '__WXMAC__'): try : from wx import webkit except ImportError as e : _import_error = str(e) else : self.viewer = webkit.WebKitCtrl(self, -1) self.Bind(webkit.EVT_WEBKIT_STATE_CHANGED, self.OnChangeState, self.viewer) self.Bind(webkit.EVT_WEBKIT_BEFORE_LOAD, self.OnBeforeLoad, self.viewer) elif (wx.Platform == '__WXMSW__'): try : from wx.html2 import WebView except ImportError as e : _import_error = str(e) else : self.viewer = WebView.New(self) if (self.viewer is None) : # fallback (default on Linux) self.viewer = HtmlPanel(self) self._is_default_viewer = True szr.Add(self.viewer, 1, wx.EXPAND) self.SetupToolbar() self.statusbar = self.CreateStatusBar() if (wx.Platform != "__WXMSW__"): self.SetInitialSize((1024,640)) #self.Bind(wx.EVT_WINDOW_CREATE, self.OnShow) # create keyboard shortcuts for zoom functions in toolbar if (wx.Platform == '__WXMAC__'): zoomInId = wx.NewId() zoomOutId = wx.NewId() zoomDefaultId = wx.NewId() self.Bind(wx.EVT_MENU, self.OnZoomIn, id=zoomInId) self.Bind(wx.EVT_MENU, self.OnZoomOut, id=zoomOutId) self.Bind(wx.EVT_MENU, self.OnZoomDefault, id=zoomDefaultId) self.accelerator_table = wx.AcceleratorTable( [ (wx.ACCEL_CTRL, ord('='), zoomInId), (wx.ACCEL_CTRL, wx.WXK_NUMPAD_ADD, zoomInId), (wx.ACCEL_CTRL, ord('-'), zoomOutId), (wx.ACCEL_CTRL, wx.WXK_NUMPAD_SUBTRACT, zoomOutId), (wx.ACCEL_CTRL, ord('0'), zoomDefaultId), (wx.ACCEL_CTRL, wx.WXK_NUMPAD0, zoomDefaultId) ]) self.SetAcceleratorTable(self.accelerator_table) self.zoom_counter = 0 def SetHomepage(self, url): self.home_url = url def SetupToolbar(self): if (wxtbx.bitmaps.icon_lib is None): return self.toolbar = self.CreateToolBar(style=wx.TB_TEXT) commands = [ ("filesystems", "folder_home", "OnHome", "Home"), ("actions", "back", "OnBack", "Back"), ("actions", "forward", "OnForward", "Forward"), ("actions", "stop", "OnStop", "Stop"), ] if (not self._is_default_viewer): commands.append(("actions", "reload", "OnReload", "Reload")) for (icon_class, icon_name, fname, label) in commands : bmp = wxtbx.bitmaps.fetch_icon_bitmap(icon_class, icon_name, 32) tool_button = self.toolbar.AddLabelTool(-1, label, bmp, shortHelp=label, kind=wx.ITEM_NORMAL) self.Bind(wx.EVT_MENU, getattr(self, fname), tool_button) self.toolbar.AddSeparator() # buttons for increasing/decreasing text size if (wx.Platform == '__WXMAC__'): commands = [ ('actions', 'zoom-in-2', 'Zoom In', 'Increase text size', 'OnZoomIn'), ('actions', 'zoom-out-2', 'Zoom Out', 'Decrease text size', 'OnZoomOut'), ('actions','zoom-fit-best','Default','Default text size','OnZoomDefault') ] for (icon_class, icon_name, label, shortHelp, fname) in commands: bmp = wxtbx.bitmaps.fetch_icon_bitmap(icon_class, icon_name, 128) tool_button = self.toolbar.AddLabelTool( -1, label, bmp, shortHelp=shortHelp, kind=wx.ITEM_NORMAL) self.Bind(wx.EVT_MENU, getattr(self, fname), tool_button) self.toolbar.AddSeparator() if (not self._is_default_viewer): phenix_bmp = wxtbx.bitmaps.fetch_custom_icon_bitmap("phenix.refine") phenix_btn = self.toolbar.AddLabelTool(-1, "PHENIX homepage", phenix_bmp, shortHelp="PHENIX homepage", kind=wx.ITEM_NORMAL) self.Bind(wx.EVT_MENU, self.OnPhenixWeb, phenix_btn) self.toolbar.Realize() def LoadURL(self, url): self.viewer.LoadURL(url) def OnShow(self, event): if (not self._was_shown): self.LoadURL(self.home_url) self._was_shown = True def OnHome(self, event): self.LoadURL(self.home_url) def OnBack(self, event): if self.viewer.CanGoBack(): self.viewer.GoBack() def OnForward(self, event): if self.viewer.CanGoForward(): self.viewer.GoForward() def OnReload(self, event): if (wx.Platform == '__WXMAC__'): self.viewer.Reload() elif (wx.Platform == '__WXMSW__'): self.viewer.RefreshPage() def OnStop(self, event): self.viewer.Stop() def OnZoomIn(self, event=None): if (self.viewer.CanIncreaseTextSize()): self.viewer.IncreaseTextSize() self.zoom_counter += 1 def OnZoomOut(self, event=None): if (self.viewer.CanDecreaseTextSize()): self.viewer.DecreaseTextSize() self.zoom_counter -= 1 def OnZoomDefault(self, event): while (self.zoom_counter != 0): if (self.zoom_counter > 0): self.OnZoomOut() else: self.OnZoomIn() def Open(self, url): self.LoadURL(url) def OnPhenixWeb(self, event): self.LoadURL("http://www.phenix-online.org") # XXX Mac only def OnChangeState(self, event): import wx.webkit state = event.GetState() url = event.GetURL() if (state == wx.webkit.WEBKIT_STATE_START): self.statusbar.SetStatusText("Opening %s" % url) elif (state == wx.webkit.WEBKIT_STATE_TRANSFERRING): self.statusbar.SetStatusText("Loading %s" % url) elif (state == wx.webkit.WEBKIT_STATE_STOP): self.statusbar.SetStatusText("Viewing %s" % url) elif (state == wx.webkit.WEBKIT_STATE_FAILED): self.statusbar.SetStatusText("Failed loading %s" % url) else : self.statusbar.SetStatusText("") def OnBeforeLoad(self, event): pass #print event.GetNavigationType() class HtmlPanel(wx.html.HtmlWindow): """ Adapter class to provide an API equivalent to WebKit/IE """ def Stop(self): pass def CanGoForward(self): return self.HistoryCanForward() def GoForward(self): return self.HistoryForward() def CanGoBack(self): return self.HistoryCanBack() def GoBack(self): return self.HistoryBack() def LoadURL(self, url): fields = url.split("#") base_url = fields[0] self.LoadPage(base_url) if (len(fields) > 1): anchor = fields[1] if (self.HasAnchor(anchor)): # XXX calling self.ScrollToAnchor() directly doesn't work! wx.CallAfter(self.ScrollToAnchor, anchor) else : print("Missing anchor %s" % anchor) if __name__ == "__main__" : app = wx.App(0) frame = browser_frame(None, -1, "wxtbx.browser example") # size=(800,600)) frame.SetHomepage("http://cci.lbl.gov") frame.Show() app.MainLoop()