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Diffstat (limited to 'tikzit-old/src/gtk/EdgeStyleSelector.m')
-rw-r--r-- | tikzit-old/src/gtk/EdgeStyleSelector.m | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/tikzit-old/src/gtk/EdgeStyleSelector.m b/tikzit-old/src/gtk/EdgeStyleSelector.m new file mode 100644 index 0000000..6a9db33 --- /dev/null +++ b/tikzit-old/src/gtk/EdgeStyleSelector.m @@ -0,0 +1,143 @@ +/* + * 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 "EdgeStyleSelector.h" + +#import "EdgeStylesModel.h" + +// {{{ Internal interfaces +static void selection_changed_cb (GtkTreeSelection *sel, EdgeStyleSelector *mgr); +// }}} +// {{{ API + +@implementation EdgeStyleSelector + +- (id) init { + [self release]; + return nil; +} + +- (id) initWithStyleManager:(StyleManager*)m { + return [self initWithModel:[EdgeStylesModel modelWithStyleManager:m]]; +} +- (id) initWithModel:(EdgeStylesModel*)m { + self = [super init]; + + if (self) { + model = [m retain]; + + view = GTK_TREE_VIEW (gtk_tree_view_new_with_model ([m model])); + gtk_tree_view_set_headers_visible (view, FALSE); + g_object_ref (view); + + GtkCellRenderer *renderer; + GtkTreeViewColumn *column; + renderer = gtk_cell_renderer_pixbuf_new (); + column = gtk_tree_view_column_new_with_attributes ( + "Preview", + renderer, + "pixbuf", EDGE_STYLES_ICON_COL, + NULL); + gtk_tree_view_append_column (view, column); + gtk_tree_view_set_tooltip_column (view, EDGE_STYLES_NAME_COL); + + GtkTreeSelection *sel = gtk_tree_view_get_selection (view); + gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE); + + g_signal_connect (G_OBJECT (sel), + "changed", + G_CALLBACK (selection_changed_cb), + self); + } + + return self; +} + +- (void) dealloc { + [[NSNotificationCenter defaultCenter] removeObserver:self]; + + g_object_unref (view); + [model release]; + + [super dealloc]; +} + +- (EdgeStylesModel*) model { + return model; +} + +- (void) setModel:(EdgeStylesModel*)m { + if (m == model) + return; + + EdgeStylesModel *oldModel = model; + model = [m retain]; + gtk_tree_view_set_model (view, [model model]); + [oldModel release]; +} + +- (GtkWidget*) widget { + return GTK_WIDGET (view); +} + +- (EdgeStyle*) selectedStyle { + GtkTreeSelection *sel = gtk_tree_view_get_selection (view); + GtkTreeIter iter; + + if (!gtk_tree_selection_get_selected (sel, NULL, &iter)) { + return nil; + } + + EdgeStyle *style = nil; + gtk_tree_model_get ([model model], &iter, EDGE_STYLES_PTR_COL, &style, -1); + + return style; +} + +- (void) setSelectedStyle:(EdgeStyle*)style { + GtkTreeSelection *sel = gtk_tree_view_get_selection (view); + + if (style == nil) { + gtk_tree_selection_unselect_all (sel); + return; + } + + GtkTreePath *path = [model pathFromStyle:style]; + if (path) { + gtk_tree_selection_unselect_all (sel); + gtk_tree_selection_select_path (sel, path); + gtk_tree_path_free (path); + } +} +@end + +// }}} +// {{{ GTK+ callbacks + +static void selection_changed_cb (GtkTreeSelection *sel, EdgeStyleSelector *mgr) { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + + [[NSNotificationCenter defaultCenter] + postNotificationName:@"SelectedStyleChanged" + object:mgr]; + + [pool drain]; +} +// }}} + +// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker + |