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Diffstat (limited to 'grc/src/gui/MainWindow.py')
| -rw-r--r-- | grc/src/gui/MainWindow.py | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/grc/src/gui/MainWindow.py b/grc/src/gui/MainWindow.py deleted file mode 100644 index bd5f73a80..000000000 --- a/grc/src/gui/MainWindow.py +++ /dev/null @@ -1,299 +0,0 @@ -""" -Copyright 2008 Free Software Foundation, Inc. -This file is part of GNU Radio - -GNU Radio Companion is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -GNU Radio Companion 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 General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA -""" - -from Constants import \ - NEW_FLOGRAPH_TITLE, DEFAULT_REPORTS_WINDOW_WIDTH -from Actions import \ - APPLICATION_QUIT, FLOW_GRAPH_KILL, \ - FLOW_GRAPH_SAVE, get_accel_group -import pygtk -pygtk.require('2.0') -import gtk -import Bars -from BlockTreeWindow import BlockTreeWindow -from Dialogs import TextDisplay, MessageDialogHelper -from NotebookPage import NotebookPage -import Preferences -import Messages -import os - -############################################################ -# Main window -############################################################ - -class MainWindow(gtk.Window): - """The topmost window with menus, the tool bar, and other major windows.""" - - def __init__(self, handle_states, platform): - """ - MainWindow contructor. - @param handle_states the callback function - """ - self._platform = platform - #setup window - self.handle_states = handle_states - gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL) - vbox = gtk.VBox() - self.hpaned = gtk.HPaned() - self.add(vbox) - #create the menu bar and toolbar - self.add_accel_group(get_accel_group()) - vbox.pack_start(Bars.MenuBar(), False) - vbox.pack_start(Bars.Toolbar(), False) - vbox.pack_start(self.hpaned) - #create the notebook - self.notebook = gtk.Notebook() - self.page_to_be_closed = None - self.current_page = None - self.notebook.set_show_border(False) - self.notebook.set_scrollable(True) #scroll arrows for page tabs - self.notebook.connect('switch-page', self._handle_page_change) - #setup containers - self.flow_graph_vpaned = gtk.VPaned() - #flow_graph_box.pack_start(self.scrolled_window) - self.flow_graph_vpaned.pack1(self.notebook) - self.hpaned.pack1(self.flow_graph_vpaned) - self.hpaned.pack2(BlockTreeWindow(platform, self.get_flow_graph), False) #dont allow resize - #create the reports window - self.text_display = TextDisplay() - #house the reports in a scrolled window - self.reports_scrolled_window = gtk.ScrolledWindow() - self.reports_scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC) - self.reports_scrolled_window.add_with_viewport(self.text_display) - self.reports_scrolled_window.set_size_request(-1, DEFAULT_REPORTS_WINDOW_WIDTH) - self.flow_graph_vpaned.pack2(self.reports_scrolled_window, False) #dont allow resize - #load preferences and show the main window - Preferences.load(platform) - self.resize(*Preferences.main_window_size()) - self.flow_graph_vpaned.set_position(Preferences.reports_window_position()) - self.hpaned.set_position(Preferences.blocks_window_position()) - self.show_all() - - ############################################################ - # Event Handlers - ############################################################ - - def _quit(self, window, event): - """ - Handle the delete event from the main window. - Generated by pressing X to close, alt+f4, or right click+close. - This method in turns calls the state handler to quit. - @return true - """ - self.handle_states(APPLICATION_QUIT) - return True - - def _handle_page_change(self, notebook, page, page_num): - """ - Handle a page change. When the user clicks on a new tab, - reload the flow graph to update the vars window and - call handle states (select nothing) to update the buttons. - @param notebook the notebook - @param page new page - @param page_num new page number - """ - self.current_page = self.notebook.get_nth_page(page_num) - Messages.send_page_switch(self.current_page.get_file_path()) - self.handle_states() - - ############################################################ - # Report Window - ############################################################ - - def add_report_line(self, line): - """ - Place line at the end of the text buffer, then scroll its window all the way down. - @param line the new text - """ - self.text_display.insert(line) - vadj = self.reports_scrolled_window.get_vadjustment() - vadj.set_value(vadj.upper) - vadj.emit('changed') - - ############################################################ - # Pages: create and close - ############################################################ - - def new_page(self, file_path='', show=False): - """ - Create a new notebook page. - Set the tab to be selected. - @param file_path optional file to load into the flow graph - @param show true if the page should be shown after loading - """ - #if the file is already open, show the open page and return - if file_path and file_path in self._get_files(): #already open - page = self.notebook.get_nth_page(self._get_files().index(file_path)) - self._set_page(page) - return - try: #try to load from file - if file_path: Messages.send_start_load(file_path) - flow_graph = self._platform.get_new_flow_graph() - page = NotebookPage( - self, - flow_graph=flow_graph, - file_path=file_path, - ) - if file_path: Messages.send_end_load() - except Exception, e: #return on failure - Messages.send_fail_load(e) - return - #add this page to the notebook - self.notebook.append_page(page, page.get_tab()) - try: self.notebook.set_tab_reorderable(page, True) - except: pass #gtk too old - self.notebook.set_tab_label_packing(page, False, False, gtk.PACK_START) - #only show if blank or manual - if not file_path or show: self._set_page(page) - - def close_pages(self): - """ - Close all the pages in this notebook. - @return true if all closed - """ - open_files = filter(lambda file: file, self._get_files()) #filter blank files - open_file = self.get_page().get_file_path() - #close each page - for page in self._get_pages(): - self.page_to_be_closed = page - self.close_page(False) - if self.notebook.get_n_pages(): return False - #save state before closing - Preferences.files_open(open_files) - Preferences.file_open(open_file) - Preferences.main_window_size(self.get_size()) - Preferences.reports_window_position(self.flow_graph_vpaned.get_position()) - Preferences.blocks_window_position(self.hpaned.get_position()) - Preferences.save() - return True - - def close_page(self, ensure=True): - """ - Close the current page. - If the notebook becomes empty, and ensure is true, - call new page upon exit to ensure that at least one page exists. - @param ensure boolean - """ - if not self.page_to_be_closed: self.page_to_be_closed = self.get_page() - #show the page if it has an executing flow graph or is unsaved - if self.page_to_be_closed.get_pid() or not self.page_to_be_closed.get_saved(): - self._set_page(self.page_to_be_closed) - #unsaved? ask the user - if not self.page_to_be_closed.get_saved() and self._save_changes(): - self.handle_states(FLOW_GRAPH_SAVE) #try to save - if not self.page_to_be_closed.get_saved(): #still unsaved? - self.page_to_be_closed = None #set the page to be closed back to None - return - #stop the flow graph if executing - if self.page_to_be_closed.get_pid(): self.handle_states(FLOW_GRAPH_KILL) - #remove the page - self.notebook.remove_page(self.notebook.page_num(self.page_to_be_closed)) - if ensure and self.notebook.get_n_pages() == 0: self.new_page() #no pages, make a new one - self.page_to_be_closed = None #set the page to be closed back to None - - ############################################################ - # Misc - ############################################################ - - def update(self): - """ - Set the title of the main window. - Set the titles on the page tabs. - Show/hide the reports window. - @param title the window title - """ - title = ''.join(( - self._platform.get_name(), - ' - Editing: ', - (self.get_page().get_file_path() or NEW_FLOGRAPH_TITLE), - (self.get_page().get_saved() and ' ' or '*'), #blank must be non empty - (self.get_page().get_read_only() and ' (read-only)' or ''), - ) - ) - gtk.Window.set_title(self, title) - #set tab titles - for page in self._get_pages(): - #get filename and strip out file extension - title = os.path.splitext(os.path.basename(page.get_file_path()))[0] - page.set_text(''.join(( - (title or NEW_FLOGRAPH_TITLE), - (page.get_saved() and ' ' or '*'), #blank must be non empty - (page.get_read_only() and ' (ro)' or ''), - ) - ) - ) - #show/hide notebook tabs - self.notebook.set_show_tabs(len(self._get_pages()) > 1) - - def get_page(self): - """ - Get the selected page. - @return the selected page - """ - return self.current_page - - def get_flow_graph(self): - """ - Get the selected flow graph. - @return the selected flow graph - """ - return self.get_page().get_flow_graph() - - def get_focus_flag(self): - """ - Get the focus flag from the current page. - @return the focus flag - """ - return self.get_page().get_drawing_area().get_focus_flag() - - ############################################################ - # Helpers - ############################################################ - - def _set_page(self, page): - """ - Set the current page. - @param page the page widget - """ - self.current_page = page - self.notebook.set_current_page(self.notebook.page_num(self.current_page)) - - def _save_changes(self): - """ - Save changes to flow graph? - @return true if yes - """ - return MessageDialogHelper( - gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO, 'Unsaved Changes!', - 'Would you like to save changes before closing?' - ) == gtk.RESPONSE_YES - - def _get_files(self): - """ - Get the file names for all the pages, in order. - @return list of file paths - """ - return map(lambda page: page.get_file_path(), self._get_pages()) - - def _get_pages(self): - """ - Get a list of all pages in the notebook. - @return list of pages - """ - return [self.notebook.get_nth_page(page_num) for page_num in range(self.notebook.get_n_pages())] |