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Diffstat (limited to 'tikzit-old/src/gtk/Window.m')
| -rw-r--r-- | tikzit-old/src/gtk/Window.m | 991 |
1 files changed, 0 insertions, 991 deletions
diff --git a/tikzit-old/src/gtk/Window.m b/tikzit-old/src/gtk/Window.m deleted file mode 100644 index 2d9e63a..0000000 --- a/tikzit-old/src/gtk/Window.m +++ /dev/null @@ -1,991 +0,0 @@ -/* - * Copyright 2011-2012 Alex Merry <dev@randomguy3.me.uk> - * - * This program 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. - * - * This program 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, see <http://www.gnu.org/licenses/>. - */ - -#import "Window.h" - -#import <gtk/gtk.h> -#import "gtkhelpers.h" -#import "clipboard.h" - -#import "Application.h" -#import "Configuration.h" -#import "FileChooserDialog.h" -#import "GraphEditorPanel.h" -#import "Menu.h" -#import "RecentManager.h" -#import "Shape.h" -#import "SupportDir.h" -#import "TikzDocument.h" - -#ifdef HAVE_POPPLER -#import "PreviewWindow.h" -#endif - -enum { - GraphInfoStatus, - ParseStatus -}; - -// {{{ Internal interfaces -// {{{ Clipboard support - -static void clipboard_provide_data (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - guint info, - gpointer clipboard_graph_data); -static void clipboard_release_data (GtkClipboard *clipboard, gpointer clipboard_graph_data); -static void clipboard_check_targets (GtkClipboard *clipboard, - GdkAtom *atoms, - gint n_atoms, - gpointer action); -static void clipboard_paste_contents (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - gpointer document); - -// }}} -// {{{ Signals - -static void window_toplevel_focus_changed_cb (GObject *gobject, GParamSpec *pspec, Window *window); -static void graph_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, Window *window); -static void tikz_buffer_changed_cb (GtkTextBuffer *buffer, Window *window); -static gboolean main_window_delete_event_cb (GtkWidget *widget, GdkEvent *event, Window *window); -static void main_window_destroy_cb (GtkWidget *widget, Window *window); -static gboolean main_window_configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, Window *window); -static void update_paste_action (GtkClipboard *clipboard, GdkEvent *event, GtkAction *action); - -// }}} - -@interface Window (Notifications) -- (void) tikzBufferChanged; -- (void) windowSizeChangedWidth:(int)width height:(int)height; -- (void) documentTikzChanged:(NSNotification*)notification; -- (void) documentSelectionChanged:(NSNotification*)notification; -- (void) undoStackChanged:(NSNotification*)notification; -@end - -@interface Window (InitHelpers) -- (void) _loadUi; -- (void) _restoreUiState; -- (void) _connectSignals; -@end - -@interface Window (Private) <PreviewHandler> -- (BOOL) _askCanClose; -/** Open a document, dealing with errors as necessary */ -- (TikzDocument*) _openDocument:(NSString*)path; -- (void) _placeGraphOnClipboard:(Graph*)graph; -- (void) _clearParseError; -- (void) _setParseError:(NSError*)error; -/** Update the window title. */ -- (void) _updateTitle; -/** Update the window status bar default text. */ -- (void) _updateStatus; -/** Update the displayed tikz code to match the active document. */ -- (void) _updateTikz; -/** Update the undo and redo actions to match the active document's - * undo stack. */ -- (void) _updateUndoActions; -- (void) showPreview; -@end - -// }}} -// {{{ API - -@implementation Window - -@synthesize gtkWindow=window; - -- (id) init { - return [self initWithDocument:[TikzDocument documentWithStyleManager:[app styleManager]]]; -} -+ (id) window { - return [[[self alloc] init] autorelease]; -} -- (id) initWithDocument:(TikzDocument*)doc { - self = [super init]; - - if (self) { - [self _loadUi]; - [self _restoreUiState]; - [self _connectSignals]; - - [self setDocument:doc]; - - gtk_widget_show (GTK_WIDGET (window)); - } - - return self; -} -+ (id) windowWithDocument:(TikzDocument*)doc { - return [[[self alloc] initWithDocument:doc] autorelease]; -} - -- (void) dealloc { - // The GTK+ window has already been destroyed at this point - - [[NSNotificationCenter defaultCenter] removeObserver:self]; - g_signal_handler_disconnect ( - gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), - clipboard_handler_id); - - [previewWindow release]; - [menu release]; - [graphPanel release]; - [document release]; - - g_object_unref (tikzBuffer); - g_object_unref (tikzPane); - g_object_unref (tikzPaneSplitter); - g_object_unref (statusBar); - g_object_unref (window); - - [super dealloc]; -} - -- (TikzDocument*) document { - return document; -} -- (void) setDocument:(TikzDocument*)newDoc { - [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:[document pickSupport]]; - [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:document]; - - TikzDocument *oldDoc = document; - document = [newDoc retain]; - - [graphPanel setDocument:document]; - [previewWindow setDocument:document]; - [self _updateTikz]; - [self _updateTitle]; - [self _updateStatus]; - [self _updateUndoActions]; - [menu notifySelectionChanged:[document pickSupport]]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(documentTikzChanged:) - name:@"TikzChanged" object:document]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(undoStackChanged:) - name:@"UndoStackChanged" object:document]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(documentSelectionChanged:) - name:@"NodeSelectionChanged" object:[document pickSupport]]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(documentSelectionChanged:) - name:@"EdgeSelectionChanged" object:[document pickSupport]]; - - if ([document path] != nil) { - [[RecentManager defaultManager] addRecentFile:[document path]]; - } - - NSDictionary *userInfo; - userInfo = [NSDictionary dictionaryWithObjectsAndKeys: - document, @"document", - oldDoc, @"oldDocument", - nil]; - [[NSNotificationCenter defaultCenter] - postNotificationName:@"DocumentChanged" - object:self - userInfo:userInfo]; - [oldDoc release]; -} - -- (BOOL) hasFocus { - return gtk_window_has_toplevel_focus (GTK_WINDOW (window)); -} - -- (void) present { - gtk_window_present (GTK_WINDOW (window)); -} - -- (void) openFile { - FileChooserDialog *dialog = [FileChooserDialog openDialogWithParent:window]; - [dialog addStandardFilters]; - if ([document path]) { - [dialog setCurrentFolder:[[document path] stringByDeletingLastPathComponent]]; - } else if ([app lastOpenFolder]) { - [dialog setCurrentFolder:[app lastOpenFolder]]; - } - - if ([dialog showDialog]) { - if ([self openFileAtPath:[dialog filePath]]) { - [app setLastOpenFolder:[dialog currentFolder]]; - } - } - [dialog destroy]; -} - -- (BOOL) openFileAtPath:(NSString*)path { - TikzDocument *doc = [self _openDocument:path]; - if (doc != nil) { - if (![document hasUnsavedChanges] && [document path] == nil) { - // we just have a fresh, untitled document - replace it - [self setDocument:doc]; - } else { - [app newWindowWithDocument:doc]; - } - return YES; - } - return NO; -} - -- (BOOL) saveActiveDocument { - if ([document path] == nil) { - return [self saveActiveDocumentAs]; - } else { - NSError *error = nil; - if (![document save:&error]) { - [self presentError:error]; - return NO; - } else { - [self _updateTitle]; - return YES; - } - } -} - -- (BOOL) saveActiveDocumentAs { - FileChooserDialog *dialog = [FileChooserDialog saveDialogWithParent:window]; - [dialog addStandardFilters]; - if ([document path] != nil) { - [dialog setCurrentFolder:[[document path] stringByDeletingLastPathComponent]]; - } else if ([app lastSaveAsFolder] != nil) { - [dialog setCurrentFolder:[app lastSaveAsFolder]]; - } - [dialog setSuggestedName:[document suggestedFileName]]; - - BOOL saved = NO; - if ([dialog showDialog]) { - NSString *nfile = [dialog filePath]; - - NSError *error = nil; - if (![document saveToPath:nfile error:&error]) { - [self presentError:error]; - } else { - [self _updateTitle]; - [[RecentManager defaultManager] addRecentFile:nfile]; - [app setLastSaveAsFolder:[dialog currentFolder]]; - saved = YES; - } - } - [dialog destroy]; - return saved; -} - -- (void) saveActiveDocumentAsShape { - GtkWidget *dialog = gtk_dialog_new_with_buttons ( - "Save as shape", - window, - GTK_DIALOG_MODAL, - GTK_STOCK_OK, - GTK_RESPONSE_ACCEPT, - GTK_STOCK_CANCEL, - GTK_RESPONSE_REJECT, - NULL); - GtkBox *content = GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))); - GtkWidget *label1 = gtk_label_new ("Please choose a name for the shape"); - GtkWidget *label2 = gtk_label_new ("Name:"); - GtkWidget *input = gtk_entry_new (); - GtkBox *hbox = GTK_BOX (gtk_hbox_new (FALSE, 5)); - gtk_box_pack_start (hbox, label2, FALSE, TRUE, 0); - gtk_box_pack_start (hbox, input, TRUE, TRUE, 0); - gtk_box_pack_start (content, label1, TRUE, TRUE, 5); - gtk_box_pack_start (content, GTK_WIDGET (hbox), TRUE, TRUE, 5); - gtk_widget_show_all (GTK_WIDGET (content)); - gint response = gtk_dialog_run (GTK_DIALOG (dialog)); - while (response == GTK_RESPONSE_ACCEPT) { - response = GTK_RESPONSE_NONE; - NSDictionary *shapeDict = [Shape shapeDictionary]; - const gchar *dialogInput = gtk_entry_get_text (GTK_ENTRY (input)); - NSString *shapeName = [NSString stringWithUTF8String:dialogInput]; - BOOL doSave = NO; - if ([shapeName isEqual:@""]) { - GtkWidget *emptyStrDialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_CLOSE, - "You must specify a shape name"); - gtk_dialog_run (GTK_DIALOG (emptyStrDialog)); - gtk_widget_destroy (emptyStrDialog); - response = gtk_dialog_run (GTK_DIALOG (dialog)); - } else if ([shapeDict objectForKey:shapeName] != nil) { - GtkWidget *overwriteDialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_QUESTION, - GTK_BUTTONS_YES_NO, - "Do you want to replace the existing shape named '%s'?", - dialogInput); - gint overwriteResp = gtk_dialog_run (GTK_DIALOG (overwriteDialog)); - gtk_widget_destroy (overwriteDialog); - - if (overwriteResp == GTK_RESPONSE_YES) { - doSave = YES; - } else { - response = gtk_dialog_run (GTK_DIALOG (dialog)); - } - } else { - doSave = YES; - } - if (doSave) { - NSError *error = nil; - NSString *userShapeDir = [[SupportDir userSupportDir] stringByAppendingPathComponent:@"shapes"]; - NSString *file = [NSString stringWithFormat:@"%@/%@.tikz", userShapeDir, shapeName]; - if (![[NSFileManager defaultManager] ensureDirectoryExists:userShapeDir error:&error]) { - [self presentError:error withMessage:@"Could not create user shape directory"]; - } else { - if (![document saveCopyToPath:file error:&error]) { - [self presentError:error withMessage:@"Could not save shape file"]; - } else { - [Shape refreshShapeDictionary]; - } - } - } - } - gtk_widget_destroy (dialog); -} - -- (void) close { - if ([self _askCanClose]) { - gtk_widget_destroy (GTK_WIDGET (window)); - } -} - -- (void) selectionCutToClipboard { - if ([[[document pickSupport] selectedNodes] count] > 0) { - [self _placeGraphOnClipboard:[document selectionCut]]; - } -} - -- (void) selectionCopyToClipboard { - if ([[[document pickSupport] selectedNodes] count] > 0) { - [self _placeGraphOnClipboard:[document selectionCopy]]; - } -} - -- (void) pasteFromClipboard { - gtk_clipboard_request_contents (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), - tikzit_picture_atom, - clipboard_paste_contents, - document); -} - -- (GtkWindow*) gtkWindow { - return window; -} - -- (Configuration*) mainConfiguration { - return [app mainConfiguration]; -} - -- (Menu*) menu { - return menu; -} - -- (void) presentError:(NSError*)error { - const gchar *errorDesc = "unknown error"; - if (error && [error localizedDescription]) { - errorDesc = [[error localizedDescription] UTF8String]; - } - GtkWidget *dialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_CLOSE, - "%s", - errorDesc); - gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); -} - -- (void) presentError:(NSError*)error withMessage:(NSString*)message { - const gchar *errorDesc = "unknown error"; - if (error && [error localizedDescription]) { - errorDesc = [[error localizedDescription] UTF8String]; - } - GtkWidget *dialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_CLOSE, - "%s: %s", - [message UTF8String], - errorDesc); - gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); -} - -- (void) presentGError:(GError*)error { - const gchar *errorDesc = "unknown error"; - if (error && error->message) { - errorDesc = error->message; - } - GtkWidget *dialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_CLOSE, - "%s", - errorDesc); - gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); -} - -- (void) presentGError:(GError*)error withMessage:(NSString*)message { - const gchar *errorDesc = "unknown error"; - if (error && error->message) { - errorDesc = error->message; - } - GtkWidget *dialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_CLOSE, - "%s: %s", - [message UTF8String], - errorDesc); - gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); -} - -- (void) setActiveTool:(id<Tool>)tool { - [graphPanel setActiveTool:tool]; - gboolean hasfocus; - g_object_get (G_OBJECT (window), "has-toplevel-focus", &hasfocus, NULL); - if (hasfocus) { - [graphPanel grabTool]; - } -} - -- (void) zoomIn { - [graphPanel zoomIn]; -} - -- (void) zoomOut { - [graphPanel zoomOut]; -} - -- (void) zoomReset { - [graphPanel zoomReset]; -} - -- (void) presentPreview { -#ifdef HAVE_POPPLER - if (previewWindow == nil) { - previewWindow = [[PreviewWindow alloc] initWithPreambles:[app preambles] - config:[app mainConfiguration]]; - //[previewWindow setParentWindow:self]; - [previewWindow setDocument:document]; - } - [previewWindow present]; -#endif -} - -- (void) updatePreview { -#ifdef HAVE_POPPLER - if (previewWindow == nil) { - previewWindow = [[PreviewWindow alloc] initWithPreambles:[app preambles] - config:[app mainConfiguration]]; - //[previewWindow setParentWindow:self]; - [previewWindow setDocument:document]; - } - [previewWindow show]; -#endif -} - -@end - -// }}} -// {{{ Notifications - -@implementation Window (Notifications) -- (void) graphHeightChanged:(int)newHeight { - [[app mainConfiguration] setIntegerEntry:@"graphHeight" - inGroup:@"window" - value:newHeight]; -} - -- (void) tikzBufferChanged { - if (!suppressTikzUpdates) { - suppressTikzUpdates = TRUE; - - GtkTextIter start, end; - gtk_text_buffer_get_bounds (tikzBuffer, &start, &end); - gchar *text = gtk_text_buffer_get_text (tikzBuffer, &start, &end, FALSE); - - NSError *error = nil; - BOOL success = [document updateTikz:[NSString stringWithUTF8String:text] error:&error]; - if (success) - [self _clearParseError]; - else - [self _setParseError:error]; - - g_free (text); - - suppressTikzUpdates = FALSE; - } -} - -- (void) windowSizeChangedWidth:(int)width height:(int)height { - if (width > 0 && height > 0) { - NSNumber *w = [NSNumber numberWithInt:width]; - NSNumber *h = [NSNumber numberWithInt:height]; - NSMutableArray *size = [NSMutableArray arrayWithCapacity:2]; - [size addObject:w]; - [size addObject:h]; - [[app mainConfiguration] setIntegerListEntry:@"windowSize" - inGroup:@"window" - value:size]; - } -} - -- (void) documentTikzChanged:(NSNotification*)notification { - [self _updateTitle]; - [self _updateTikz]; -} - -- (void) documentSelectionChanged:(NSNotification*)notification { - [self _updateStatus]; - [menu notifySelectionChanged:[document pickSupport]]; -} - -- (void) undoStackChanged:(NSNotification*)notification { - [self _updateUndoActions]; -} -@end - -// }}} -// {{{ InitHelpers - -@implementation Window (InitHelpers) - -- (void) _loadUi { - window = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL)); - g_object_ref_sink (window); - gtk_window_set_title (window, "TikZiT"); - gtk_window_set_default_size (window, 700, 400); - - GtkBox *mainLayout = GTK_BOX (gtk_vbox_new (FALSE, 0)); - gtk_widget_show (GTK_WIDGET (mainLayout)); - gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (mainLayout)); - - menu = [[Menu alloc] initForWindow:self]; - - GtkWidget *menubar = [menu menubar]; - gtk_box_pack_start (mainLayout, menubar, FALSE, TRUE, 0); - gtk_box_reorder_child (mainLayout, menubar, 0); - gtk_widget_show (menubar); - - tikzPaneSplitter = GTK_PANED (gtk_vpaned_new ()); - g_object_ref_sink (tikzPaneSplitter); - gtk_widget_show (GTK_WIDGET (tikzPaneSplitter)); - gtk_box_pack_start (mainLayout, GTK_WIDGET (tikzPaneSplitter), TRUE, TRUE, 0); - - graphPanel = [[GraphEditorPanel alloc] initWithDocument:document]; - [graphPanel setPreviewHandler:self]; - GtkWidget *graphEditorWidget = [graphPanel widget]; - gtk_widget_show (graphEditorWidget); - GtkWidget *graphFrame = gtk_frame_new (NULL); - gtk_container_add (GTK_CONTAINER (graphFrame), graphEditorWidget); - gtk_widget_show (graphFrame); - gtk_paned_pack1 (tikzPaneSplitter, graphFrame, TRUE, TRUE); - - tikzBuffer = gtk_text_buffer_new (NULL); - g_object_ref_sink (tikzBuffer); - errorHighlightTag = gtk_text_buffer_create_tag ( - tikzBuffer, NULL, - "foreground", "#d40000", - "foreground-set", TRUE, - "weight", PANGO_WEIGHT_SEMIBOLD, - "weight-set", TRUE, - NULL); - GtkWidget *tikzScroller = gtk_scrolled_window_new (NULL, NULL); - gtk_widget_show (tikzScroller); - - tikzPane = gtk_text_view_new_with_buffer (tikzBuffer); - gtk_text_view_set_left_margin (GTK_TEXT_VIEW (tikzPane), 3); - gtk_text_view_set_right_margin (GTK_TEXT_VIEW (tikzPane), 3); - g_object_ref_sink (tikzPane); - gtk_widget_show (tikzPane); - gtk_container_add (GTK_CONTAINER (tikzScroller), tikzPane); - GtkWidget *tikzFrame = gtk_frame_new (NULL); - gtk_container_add (GTK_CONTAINER (tikzFrame), tikzScroller); - gtk_widget_show (tikzFrame); - gtk_paned_pack2 (tikzPaneSplitter, tikzFrame, FALSE, TRUE); - - statusBar = GTK_STATUSBAR (gtk_statusbar_new ()); - g_object_ref_sink (statusBar); - gtk_widget_show (GTK_WIDGET (statusBar)); - gtk_box_pack_start (mainLayout, GTK_WIDGET (statusBar), FALSE, TRUE, 0); - - GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); - update_paste_action (clipboard, NULL, [menu pasteAction]); -} - -- (void) _restoreUiState { - Configuration *config = [app mainConfiguration]; - NSArray *windowSize = [config integerListEntry:@"windowSize" - inGroup:@"window"]; - if (windowSize && [windowSize count] == 2) { - gint width = [[windowSize objectAtIndex:0] intValue]; - gint height = [[windowSize objectAtIndex:1] intValue]; - if (width > 0 && height > 0) { - gtk_window_set_default_size (window, width, height); - } - } - int panePos = [config integerEntry:@"graphHeight" - inGroup:@"window"]; - if (panePos > 0) { - gtk_paned_set_position (tikzPaneSplitter, panePos); - } -} - -- (void) _connectSignals { - GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); - clipboard_handler_id = - g_signal_connect (G_OBJECT (clipboard), - "owner-change", - G_CALLBACK (update_paste_action), - [menu pasteAction]); - g_signal_connect (G_OBJECT (window), - "key-press-event", - G_CALLBACK (tz_hijack_key_press), - NULL); - g_signal_connect (G_OBJECT (window), - "notify::has-toplevel-focus", - G_CALLBACK (window_toplevel_focus_changed_cb), - self); - g_signal_connect (G_OBJECT (tikzPaneSplitter), - "notify::position", - G_CALLBACK (graph_divider_position_changed_cb), - self); - g_signal_connect (G_OBJECT (tikzBuffer), - "changed", - G_CALLBACK (tikz_buffer_changed_cb), - self); - g_signal_connect (G_OBJECT (window), - "delete-event", - G_CALLBACK (main_window_delete_event_cb), - self); - g_signal_connect (G_OBJECT (window), - "destroy", - G_CALLBACK (main_window_destroy_cb), - self); - g_signal_connect (G_OBJECT (window), - "configure-event", - G_CALLBACK (main_window_configure_event_cb), - self); -} -@end - -// }}} -// {{{ Private - -@implementation Window (Private) - -- (BOOL) _askCanClose { - if ([document hasUnsavedChanges]) { - GtkWidget *dialog = gtk_message_dialog_new (window, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_QUESTION, - GTK_BUTTONS_NONE, - "Save changes to the document \"%s\" before closing?", - [[document name] UTF8String]); - gtk_dialog_add_buttons (GTK_DIALOG (dialog), - "Save", GTK_RESPONSE_YES, - "Don't save", GTK_RESPONSE_NO, - "Cancel", GTK_RESPONSE_CANCEL, - NULL); - gint result = gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); - if (result == GTK_RESPONSE_YES) { - return [self saveActiveDocument]; - } else { - return result == GTK_RESPONSE_NO; - } - } else { - return YES; - } -} - -- (TikzDocument*) _openDocument:(NSString*)path { - NSError *error = nil; - TikzDocument *d = [TikzDocument documentFromFile:path - styleManager:[app styleManager] - error:&error]; - if (d != nil) { - return d; - } else { - if ([error code] == TZ_ERR_PARSE) { - [self presentError:error withMessage:@"Invalid file"]; - } else { - [self presentError:error withMessage:@"Could not open file"]; - } - [[RecentManager defaultManager] removeRecentFile:path]; - return nil; - } -} - -- (void) _placeGraphOnClipboard:(Graph*)graph { - GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); - - static const GtkTargetEntry targets[] = { - { "TIKZITPICTURE", 0, TARGET_TIKZIT_PICTURE }, - { "UTF8_STRING", 0, TARGET_UTF8_STRING } }; - - gtk_clipboard_set_with_data (clipboard, - targets, G_N_ELEMENTS (targets), - clipboard_provide_data, - clipboard_release_data, - clipboard_graph_data_new (graph)); -} - -- (void) _clearParseError { - if (!hasParseError) - return; - gtk_statusbar_pop (statusBar, ParseStatus); - text_buffer_clear_tag (tikzBuffer, errorHighlightTag); - widget_clear_error (tikzPane); - hasParseError = NO; -} - -- (void) _setParseError:(NSError*)error { - if (!hasParseError) { - widget_set_error (tikzPane); - hasParseError = YES; - } - NSString *message = [NSString stringWithFormat:@"Parse error: %@", [error localizedDescription]]; - gtk_statusbar_pop (statusBar, ParseStatus); - gtk_statusbar_push (statusBar, ParseStatus, [message UTF8String]); - - text_buffer_clear_tag (tikzBuffer, errorHighlightTag); - - NSDictionary *errorInfo = [error userInfo]; - if ([errorInfo objectForKey:@"startLine"] != nil) { - GtkTextIter symbolStart; - GtkTextIter symbolEnd; - gtk_text_buffer_get_iter_at_line_index (tikzBuffer, &symbolStart, - [[errorInfo objectForKey:@"startLine"] intValue] - 1, - [[errorInfo objectForKey:@"startColumn"] intValue] - 1); - gtk_text_buffer_get_iter_at_line_index (tikzBuffer, &symbolEnd, - [[errorInfo objectForKey:@"endLine"] intValue] - 1, - [[errorInfo objectForKey:@"endColumn"] intValue]); - gtk_text_buffer_apply_tag (tikzBuffer, errorHighlightTag, - &symbolStart, &symbolEnd); - } -} - -- (void) _updateUndoActions { - [menu setUndoActionEnabled:[document canUndo]]; - [menu setUndoActionDetail:[document undoName]]; - - [menu setRedoActionEnabled:[document canRedo]]; - [menu setRedoActionDetail:[document redoName]]; -} - -- (void) _updateTitle { - NSString *title = [NSString stringWithFormat:@"TikZiT - %@%s", - [document name], - ([document hasUnsavedChanges] ? "*" : "")]; - gtk_window_set_title(window, [title UTF8String]); -} - -- (void) _updateStatus { - // FIXME: show tooltips or something instead - GString *buffer = g_string_sized_new (30); - gchar *nextNode = 0; - - for (Node *n in [[document pickSupport] selectedNodes]) { - if (nextNode) { - if (buffer->len == 0) { - g_string_printf(buffer, "Nodes %s", nextNode); - } else { - g_string_append_printf(buffer, ", %s", nextNode); - } - } - nextNode = (gchar *)[[n name] UTF8String]; - } - if (nextNode) { - if (buffer->len == 0) { - g_string_printf(buffer, "Node %s is selected", nextNode); - } else { - g_string_append_printf(buffer, " and %s are selected", nextNode); - } - } - - if (buffer->len == 0) { - int nrNodes = [[[document graph] nodes] count]; - int nrEdges = [[[document graph] edges] count]; - g_string_printf(buffer, "Graph has %d node%s and %d edge%s", - nrNodes, - nrNodes!=1 ? "s" : "", - nrEdges, - nrEdges!=1 ? "s" : ""); - } - gtk_statusbar_pop(statusBar, GraphInfoStatus); - gtk_statusbar_push(statusBar, GraphInfoStatus, buffer->str); - - g_string_free (buffer, TRUE); -} - -- (void) _updateTikz { - if (document != nil && !suppressTikzUpdates) { - suppressTikzUpdates = TRUE; - - if (document != nil) { - const char *tikzString = [[document tikz] UTF8String]; - gtk_text_buffer_set_text (tikzBuffer, tikzString, -1); - } else { - gtk_text_buffer_set_text (tikzBuffer, "", -1); - } - [self _clearParseError]; - - suppressTikzUpdates = FALSE; - } -} - -- (GraphEditorPanel*) _graphPanel { - return graphPanel; -} - -- (void) showPreview { - [self updatePreview]; -} - -@end - -// }}} -// {{{ GTK+ callbacks - -static void window_toplevel_focus_changed_cb (GObject *gobject, GParamSpec *pspec, Window *window) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - gboolean hasfocus; - g_object_get (gobject, "has-toplevel-focus", &hasfocus, NULL); - if (hasfocus) { - [[NSNotificationCenter defaultCenter] - postNotificationName:@"WindowGainedFocus" - object:window]; - [[window _graphPanel] grabTool]; - } else { - [[NSNotificationCenter defaultCenter] - postNotificationName:@"WindowLostFocus" - object:window]; - } - [pool drain]; -} - -static void graph_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, Window *window) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - gint position; - g_object_get (gobject, "position", &position, NULL); - [window graphHeightChanged:position]; - [pool drain]; -} - -static void tikz_buffer_changed_cb (GtkTextBuffer *buffer, Window *window) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - [window tikzBufferChanged]; - [pool drain]; -} - -static gboolean main_window_delete_event_cb (GtkWidget *widget, GdkEvent *event, Window *window) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - [window close]; - [pool drain]; - return TRUE; -} - -static void main_window_destroy_cb (GtkWidget *widget, Window *window) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - [[NSNotificationCenter defaultCenter] postNotificationName:@"WindowClosed" - object:window]; - [pool drain]; -} - -static gboolean main_window_configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, Window *window) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - [window windowSizeChangedWidth:event->width height:event->height]; - [pool drain]; - return FALSE; -} - -static void clipboard_provide_data (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - guint info, - gpointer clipboard_graph_data) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - - ClipboardGraphData *data = (ClipboardGraphData*)clipboard_graph_data; - if (info == TARGET_UTF8_STRING || info == TARGET_TIKZIT_PICTURE) { - clipboard_graph_data_convert (data); - GdkAtom target = (info == TARGET_UTF8_STRING) ? utf8_atom : tikzit_picture_atom; - gtk_selection_data_set (selection_data, - target, - 8*sizeof(gchar), - (guchar*)data->tikz, - data->tikz_length); - } - - [pool drain]; -} - -static void clipboard_release_data (GtkClipboard *clipboard, gpointer data) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - clipboard_graph_data_free ((ClipboardGraphData*)data); - [pool drain]; -} - -static void clipboard_check_targets (GtkClipboard *clipboard, - GdkAtom *atoms, - gint n_atoms, - gpointer action) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - - gboolean found = FALSE; - for (gint i = 0; i < n_atoms; ++i) { - if (atoms[i] == tikzit_picture_atom) { - found = TRUE; - break; - } - } - gtk_action_set_sensitive (GTK_ACTION (action), found); - - [pool drain]; -} - -static void update_paste_action (GtkClipboard *clipboard, GdkEvent *event, GtkAction *action) { - gtk_action_set_sensitive (action, FALSE); - gtk_clipboard_request_targets (clipboard, clipboard_check_targets, action); -} - -static void clipboard_paste_contents (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - gpointer document) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - - TikzDocument *doc = (TikzDocument*)document; - gint length = gtk_selection_data_get_length (selection_data); - if (length >= 0) { - const guchar *raw_data = gtk_selection_data_get_data (selection_data); - gchar *data = g_new (gchar, length+1); - g_strlcpy (data, (const gchar *)raw_data, length+1); - NSString *tikz = [NSString stringWithUTF8String:data]; - if (tikz != nil) { - [doc pasteFromTikz:tikz]; - } - g_free (data); - } - - [pool drain]; -} - -// }}} - -// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker |