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Diffstat (limited to 'tikzit/src/gtk/EdgeStylesModel.m')
| -rw-r--r-- | tikzit/src/gtk/EdgeStylesModel.m | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/tikzit/src/gtk/EdgeStylesModel.m b/tikzit/src/gtk/EdgeStylesModel.m deleted file mode 100644 index 2de57ed..0000000 --- a/tikzit/src/gtk/EdgeStylesModel.m +++ /dev/null @@ -1,367 +0,0 @@ -/* - * Copyright 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 "EdgeStylesModel.h" - -#import "CairoRenderContext.h" -#import "Edge.h" -#import "Edge+Render.h" -#import "EdgeStyle.h" -#import "Node.h" -#import "StyleManager.h" - -#import "gtkhelpers.h" - -#import <gdk-pixbuf/gdk-pixbuf.h> - -// {{{ Internal interfaces - -@interface EdgeStylesModel (Notifications) -- (void) edgeStylesReplaced:(NSNotification*)notification; -- (void) edgeStyleAdded:(NSNotification*)notification; -- (void) edgeStyleRemoved:(NSNotification*)notification; -- (void) observeValueForKeyPath:(NSString*)keyPath - ofObject:(id)object - change:(NSDictionary*)change - context:(void*)context; -@end - -@interface EdgeStylesModel (Private) -- (cairo_surface_t*) createEdgeIconSurface; -- (GdkPixbuf*) pixbufOfEdgeInStyle:(EdgeStyle*)style; -- (GdkPixbuf*) pixbufOfEdgeInStyle:(EdgeStyle*)style usingSurface:(cairo_surface_t*)surface; -- (void) addEdgeStyle:(EdgeStyle*)style; -- (void) addEdgeStyle:(EdgeStyle*)style usingSurface:(cairo_surface_t*)surface; -- (void) observeEdgeStyle:(EdgeStyle*)style; -- (void) stopObservingEdgeStyle:(EdgeStyle*)style; -- (void) clearEdgeStylesModel; -- (void) reloadEdgeStyles; -@end - -// }}} -// {{{ API - -@implementation EdgeStylesModel - -+ (id) modelWithStyleManager:(StyleManager*)m { - return [[[self alloc] initWithStyleManager:m] autorelease]; -} - -- (id) init { - [self release]; - return nil; -} - -- (id) initWithStyleManager:(StyleManager*)m { - self = [super init]; - - if (self) { - store = gtk_list_store_new (EDGE_STYLES_N_COLS, - G_TYPE_STRING, - GDK_TYPE_PIXBUF, - G_TYPE_POINTER); - g_object_ref_sink (store); - - [self setStyleManager:m]; - } - - return self; -} - -- (void) dealloc { - [[NSNotificationCenter defaultCenter] removeObserver:self]; - - [self clearEdgeStylesModel]; - g_object_unref (store); - [styleManager release]; - - [super dealloc]; -} - -- (GtkTreeModel*) model { - return GTK_TREE_MODEL (store); -} - -- (StyleManager*) styleManager { - return styleManager; -} - -- (void) setStyleManager:(StyleManager*)m { - if (m == nil) { - [NSException raise:NSInvalidArgumentException format:@"Style manager cannot be nil"]; - } - [m retain]; - - [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:styleManager]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(edgeStylesReplaced:) - name:@"EdgeStylesReplaced" - object:m]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(edgeStyleAdded:) - name:@"EdgeStyleAdded" - object:m]; - [[NSNotificationCenter defaultCenter] addObserver:self - selector:@selector(edgeStyleRemoved:) - name:@"EdgeStyleRemoved" - object:m]; - - [styleManager release]; - styleManager = m; - - [self reloadEdgeStyles]; -} - -- (EdgeStyle*) styleFromPath:(GtkTreePath*)path { - GtkTreeIter iter; - gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path); - EdgeStyle *style = nil; - gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, EDGE_STYLES_PTR_COL, &style, -1); - return style; -} - -- (GtkTreePath*) pathFromStyle:(EdgeStyle*)style { - GtkTreeModel *m = GTK_TREE_MODEL (store); - GtkTreeIter row; - if (gtk_tree_model_get_iter_first (m, &row)) { - do { - EdgeStyle *rowStyle; - gtk_tree_model_get (m, &row, EDGE_STYLES_PTR_COL, &rowStyle, -1); - if (style == rowStyle) { - return gtk_tree_model_get_path (m, &row); - } - } while (gtk_tree_model_iter_next (m, &row)); - } - return NULL; -} - -- (EdgeStyle*) styleFromIter:(GtkTreeIter*)iter { - EdgeStyle *style = nil; - gtk_tree_model_get (GTK_TREE_MODEL (store), iter, EDGE_STYLES_PTR_COL, &style, -1); - return style; -} - -- (GtkTreeIter*) iterFromStyle:(EdgeStyle*)style { - GtkTreeModel *m = GTK_TREE_MODEL (store); - GtkTreeIter row; - if (gtk_tree_model_get_iter_first (m, &row)) { - do { - EdgeStyle *rowStyle; - gtk_tree_model_get (m, &row, EDGE_STYLES_PTR_COL, &rowStyle, -1); - if (style == rowStyle) { - return gtk_tree_iter_copy (&row); - } - } while (gtk_tree_model_iter_next (m, &row)); - } - return NULL; -} -@end - -// }}} -// {{{ Notifications - -@implementation EdgeStylesModel (Notifications) - -- (void) edgeStylesReplaced:(NSNotification*)notification { - [self reloadEdgeStyles]; -} - -- (void) edgeStyleAdded:(NSNotification*)notification { - [self addEdgeStyle:[[notification userInfo] objectForKey:@"style"]]; -} - -- (void) edgeStyleRemoved:(NSNotification*)notification { - EdgeStyle *style = [[notification userInfo] objectForKey:@"style"]; - - GtkTreeModel *model = GTK_TREE_MODEL (store); - GtkTreeIter row; - if (gtk_tree_model_get_iter_first (model, &row)) { - do { - EdgeStyle *rowStyle; - gtk_tree_model_get (model, &row, EDGE_STYLES_PTR_COL, &rowStyle, -1); - if (style == rowStyle) { - gtk_list_store_remove (store, &row); - [self stopObservingEdgeStyle:rowStyle]; - [rowStyle release]; - return; - } - } while (gtk_tree_model_iter_next (model, &row)); - } -} - -- (void) observeValueForKeyPath:(NSString*)keyPath - ofObject:(id)object - change:(NSDictionary*)change - context:(void*)context -{ - if ([object class] != [EdgeStyle class]) - return; - - EdgeStyle *style = object; - - GtkTreeModel *model = GTK_TREE_MODEL (store); - GtkTreeIter row; - if (gtk_tree_model_get_iter_first (model, &row)) { - do { - EdgeStyle *rowStyle; - gtk_tree_model_get (model, &row, EDGE_STYLES_PTR_COL, &rowStyle, -1); - if (style == rowStyle) { - if ([@"name" isEqual:keyPath]) { - gtk_list_store_set (store, &row, EDGE_STYLES_NAME_COL, [[style name] UTF8String], -1); - } else { - GdkPixbuf *pixbuf = [self pixbufOfEdgeInStyle:style]; - gtk_list_store_set (store, &row, EDGE_STYLES_ICON_COL, pixbuf, -1); - g_object_unref (pixbuf); - } - } - } while (gtk_tree_model_iter_next (model, &row)); - } -} -@end - -// }}} -// {{{ Private - -@implementation EdgeStylesModel (Private) -- (cairo_surface_t*) createEdgeIconSurface { - return cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 48, 18); -} - -- (GdkPixbuf*) pixbufOfEdgeInStyle:(EdgeStyle*)style { - cairo_surface_t *surface = [self createEdgeIconSurface]; - GdkPixbuf *pixbuf = [self pixbufOfEdgeInStyle:style usingSurface:surface]; - cairo_surface_destroy (surface); - return pixbuf; -} - -- (GdkPixbuf*) pixbufOfEdgeInStyle:(EdgeStyle*)style usingSurface:(cairo_surface_t*)surface { - Transformer *transformer = [Transformer defaultTransformer]; - [transformer setFlippedAboutXAxis:YES]; - - int width = cairo_image_surface_get_width (surface); - int height = cairo_image_surface_get_height (surface); - NSRect pixbufBounds = NSMakeRect(0.0, 0.0, width, height); - NSRect graphBounds = [transformer rectFromScreen:pixbufBounds]; - - NSPoint start = NSMakePoint (NSMinX (graphBounds) + 0.1f, NSMidY (graphBounds)); - NSPoint end = NSMakePoint (NSMaxX (graphBounds) - 0.1f, NSMidY (graphBounds)); - Node *src = [Node nodeWithPoint:start]; - Node *tgt = [Node nodeWithPoint:end]; - Edge *e = [Edge edgeWithSource:src andTarget:tgt]; - [e setStyle:style]; - - CairoRenderContext *context = [[CairoRenderContext alloc] initForSurface:surface]; - [context clearSurface]; - [e renderBasicEdgeInContext:context withTransformer:transformer selected:NO]; - [context release]; - - return pixbuf_get_from_surface (surface); -} - -- (void) addEdgeStyle:(EdgeStyle*)style usingSurface:(cairo_surface_t*)surface { - GtkTreeIter iter; - gtk_list_store_append (store, &iter); - - GdkPixbuf *pixbuf = [self pixbufOfEdgeInStyle:style usingSurface:surface]; - gtk_list_store_set (store, &iter, - EDGE_STYLES_NAME_COL, [[style name] UTF8String], - EDGE_STYLES_ICON_COL, pixbuf, - EDGE_STYLES_PTR_COL, (gpointer)[style retain], - -1); - g_object_unref (pixbuf); - [self observeEdgeStyle:style]; -} - -- (void) addEdgeStyle:(EdgeStyle*)style { - cairo_surface_t *surface = [self createEdgeIconSurface]; - [self addEdgeStyle:style usingSurface:surface]; - cairo_surface_destroy (surface); -} - -- (void) observeEdgeStyle:(EdgeStyle*)style { - [style addObserver:self - forKeyPath:@"name" - options:NSKeyValueObservingOptionNew - context:NULL]; - [style addObserver:self - forKeyPath:@"thickness" - options:0 - context:NULL]; - [style addObserver:self - forKeyPath:@"headStyle" - options:0 - context:NULL]; - [style addObserver:self - forKeyPath:@"tailStyle" - options:0 - context:NULL]; - [style addObserver:self - forKeyPath:@"decorationStyle" - options:0 - context:NULL]; - [style addObserver:self - forKeyPath:@"colorRGB.red" - options:0 - context:NULL]; - [style addObserver:self - forKeyPath:@"colorRGB.green" - options:0 - context:NULL]; - [style addObserver:self - forKeyPath:@"colorRGB.blue" - options:0 - context:NULL]; -} - -- (void) stopObservingEdgeStyle:(EdgeStyle*)style { - [style removeObserver:self forKeyPath:@"name"]; - [style removeObserver:self forKeyPath:@"thickness"]; - [style removeObserver:self forKeyPath:@"headStyle"]; - [style removeObserver:self forKeyPath:@"tailStyle"]; - [style removeObserver:self forKeyPath:@"decorationStyle"]; - [style removeObserver:self forKeyPath:@"colorRGB.red"]; - [style removeObserver:self forKeyPath:@"colorRGB.green"]; - [style removeObserver:self forKeyPath:@"colorRGB.blue"]; -} - -- (void) clearEdgeStylesModel { - GtkTreeModel *model = GTK_TREE_MODEL (store); - GtkTreeIter row; - if (gtk_tree_model_get_iter_first (model, &row)) { - do { - EdgeStyle *rowStyle; - gtk_tree_model_get (model, &row, EDGE_STYLES_PTR_COL, &rowStyle, -1); - [self stopObservingEdgeStyle:rowStyle]; - [rowStyle release]; - } while (gtk_tree_model_iter_next (model, &row)); - } - gtk_list_store_clear (store); -} - -- (void) reloadEdgeStyles { - [self clearEdgeStylesModel]; - cairo_surface_t *surface = [self createEdgeIconSurface]; - for (EdgeStyle *style in [styleManager edgeStyles]) { - [self addEdgeStyle:style usingSurface:surface]; - } - cairo_surface_destroy (surface); -} -@end - -// }}} - -// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker |