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Diffstat (limited to 'tikzit/src/linux/EdgeStyleEditor.m')
-rw-r--r-- | tikzit/src/linux/EdgeStyleEditor.m | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/tikzit/src/linux/EdgeStyleEditor.m b/tikzit/src/linux/EdgeStyleEditor.m new file mode 100644 index 0000000..a0b3df2 --- /dev/null +++ b/tikzit/src/linux/EdgeStyleEditor.m @@ -0,0 +1,322 @@ +/* + * 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 "EdgeStyleEditor.h" + +#import "EdgeStyle.h" +#import "Shape.h" + +#include <gdk-pixbuf/gdk-pixdata.h> + +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpointer-sign" +#import "edgedecdata.m" +#pragma GCC diagnostic pop + +enum { + ED_NAME_COL = 0, + ED_ICON_COL, + ED_VALUE_COL, + ED_N_COLS +}; + +static const guint row_count = 5; + +// {{{ Internal interfaces +// {{{ GTK+ Callbacks +static void style_name_edit_changed_cb (GtkEditable *widget, EdgeStyleEditor *editor); +static void decoration_combo_changed_cb (GtkComboBox *widget, EdgeStyleEditor *editor); +static void thickness_adjustment_changed_cb (GtkAdjustment *widget, EdgeStyleEditor *editor); +// }}} +// {{{ Notifications + +@interface EdgeStyleEditor (Notifications) +- (void) nameChangedTo:(NSString*)value; +- (void) edgeDecorationChangedTo:(EdgeDectorationStyle)value; +- (void) thicknessChangedTo:(double)value; +@end + +// }}} +// {{{ Private + +@interface EdgeStyleEditor (Private) +- (void) loadDecorationStylesInto:(GtkListStore*)list; +- (void) clearEdgeDecorationStyle; +- (void) setEdgeDecorationStyle:(EdgeDectorationStyle)value; +@end + +// }}} +// }}} +// {{{ API + +@implementation EdgeStyleEditor + +- (void) _addWidget:(GtkWidget*)w withLabel:(gchar *)label atRow:(guint)row { + NSAssert(row < row_count, @"row_count is wrong!"); + + GtkWidget *l = gtk_label_new (label); + gtk_misc_set_alignment (GTK_MISC (l), 0, 0.5); + gtk_widget_show (l); + gtk_widget_show (w); + + gtk_table_attach (table, l, + 0, 1, row, row+1, // l, r, t, b + GTK_FILL, // x opts + GTK_FILL | GTK_EXPAND, // y opts + 5, // x padding + 0); // y padding + + gtk_table_attach (table, w, + 1, 2, row, row+1, // l, r, t, b + GTK_FILL | GTK_EXPAND, // x opts + GTK_FILL | GTK_EXPAND, // y opts + 0, // x padding + 0); // y padding +} + +- (id) init { + self = [super init]; + + if (self != nil) { + style = nil; + table = GTK_TABLE (gtk_table_new (row_count, 2, FALSE)); + gtk_table_set_col_spacings (table, 6); + gtk_table_set_row_spacings (table, 6); + gtk_widget_set_sensitive (GTK_WIDGET (table), FALSE); + blockSignals = NO; + + /** + * Name + */ + nameEdit = GTK_ENTRY (gtk_entry_new ()); + g_object_ref_sink (nameEdit); + [self _addWidget:GTK_WIDGET (nameEdit) + withLabel:"Name" + atRow:0]; + g_signal_connect (G_OBJECT (nameEdit), + "changed", + G_CALLBACK (style_name_edit_changed_cb), + self); + + + /** + * Edge decoration style + */ + GtkListStore *store = gtk_list_store_new (ED_N_COLS, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_INT); + [self loadDecorationStylesInto:store]; + + decorationCombo = GTK_COMBO_BOX (gtk_combo_box_new_with_model (GTK_TREE_MODEL (store))); + g_object_unref (store); + GtkCellRenderer *cellRend = gtk_cell_renderer_pixbuf_new (); + gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (decorationCombo), + cellRend, + TRUE); + gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (decorationCombo), cellRend, "pixbuf", ED_ICON_COL); + g_object_ref_sink (decorationCombo); + + [self _addWidget:GTK_WIDGET (decorationCombo) + withLabel:"Decoration" + atRow:1]; + g_signal_connect (G_OBJECT (decorationCombo), + "changed", + G_CALLBACK (decoration_combo_changed_cb), + self); + + + /** + * Thickness + */ + thicknessAdj = GTK_ADJUSTMENT (gtk_adjustment_new ( + 1.0, // value + 0.0, // lower + 50.0, // upper + 0.20, // step + 1.0, // page + 0.0)); // (irrelevant) + g_object_ref_sink (thicknessAdj); + GtkWidget *scaleSpin = gtk_spin_button_new (thicknessAdj, 0.0, 2); + [self _addWidget:scaleSpin + withLabel:"Thickness" + atRow:4]; + g_signal_connect (G_OBJECT (thicknessAdj), + "value-changed", + G_CALLBACK (thickness_adjustment_changed_cb), + self); + } + + return self; +} + +- (void) dealloc { + [[NSNotificationCenter defaultCenter] removeObserver:self]; + + g_object_unref (nameEdit); + g_object_unref (decorationCombo); + g_object_unref (thicknessAdj); + g_object_unref (table); + [style release]; + + [super dealloc]; +} + +- (EdgeStyle*) style { + return style; +} + +- (void) setStyle:(EdgeStyle*)s { + blockSignals = YES; + EdgeStyle *oldStyle = style; + style = [s retain]; + + if (style != nil) { + gtk_widget_set_sensitive (GTK_WIDGET (table), TRUE); + + gtk_entry_set_text(nameEdit, [[style name] UTF8String]); + + [self setEdgeDecorationStyle:[style decorationStyle]]; + + gtk_adjustment_set_value(thicknessAdj, [style thickness]); + } else { + gtk_entry_set_text(nameEdit, ""); + [self clearEdgeDecorationStyle]; + gtk_adjustment_set_value(thicknessAdj, 1.0); + gtk_widget_set_sensitive (GTK_WIDGET (table), FALSE); + } + + [oldStyle release]; + blockSignals = NO; +} + +- (GtkWidget*) widget { + return GTK_WIDGET (table); +} + +@end + +// }}} +// {{{ Notifications + +@implementation EdgeStyleEditor (Notifications) +- (void) nameChangedTo:(NSString*)value { + [style setName:value]; +} + +- (void) edgeDecorationChangedTo:(EdgeDectorationStyle)value { + [style setDecorationStyle:value]; +} + +- (void) thicknessChangedTo:(double)value { + [style setThickness:(float)value]; +} +@end + +// }}} +// {{{ Private + +@implementation EdgeStyleEditor (Private) +- (BOOL) signalsBlocked { return blockSignals; } + +- (void) loadDecorationStylesInto:(GtkListStore*)list { + GtkTreeIter iter; + + GdkPixbuf *buf = gdk_pixbuf_from_pixdata (&ED_none_pixdata, FALSE, NULL); + gtk_list_store_append (list, &iter); + gtk_list_store_set (list, &iter, + ED_NAME_COL, "None", + ED_ICON_COL, buf, + ED_VALUE_COL, ED_None, + -1); + g_object_unref (buf); + + buf = gdk_pixbuf_from_pixdata (&ED_arrow_pixdata, FALSE, NULL); + gtk_list_store_append (list, &iter); + gtk_list_store_set (list, &iter, + ED_NAME_COL, "Arrow", + ED_ICON_COL, buf, + ED_VALUE_COL, ED_Arrow, + -1); + g_object_unref (buf); + + buf = gdk_pixbuf_from_pixdata (&ED_tick_pixdata, FALSE, NULL); + gtk_list_store_append (list, &iter); + gtk_list_store_set (list, &iter, + ED_NAME_COL, "Tick", + ED_ICON_COL, buf, + ED_VALUE_COL, ED_Tick, + -1); + g_object_unref (buf); +} + +- (void) clearEdgeDecorationStyle { + gtk_combo_box_set_active (decorationCombo, -1); +} + +- (void) setEdgeDecorationStyle:(EdgeDectorationStyle)value { + GtkTreeModel *model = gtk_combo_box_get_model (decorationCombo); + GtkTreeIter iter; + if (gtk_tree_model_get_iter_first (model, &iter)) { + do { + EdgeDectorationStyle ed_style; + gtk_tree_model_get (model, &iter, ED_VALUE_COL, &ed_style, -1); + if (ed_style == value) { + gtk_combo_box_set_active_iter (decorationCombo, &iter); + return; + } + } while (gtk_tree_model_iter_next (model, &iter)); + } +} +@end + +// }}} +// {{{ GTK+ callbacks + +static void style_name_edit_changed_cb (GtkEditable *widget, EdgeStyleEditor *editor) { + if ([editor signalsBlocked]) + return; + + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + + const gchar *contents = gtk_entry_get_text (GTK_ENTRY (widget)); + [editor nameChangedTo:[NSString stringWithUTF8String:contents]]; + + [pool drain]; +} + +static void decoration_combo_changed_cb (GtkComboBox *widget, EdgeStyleEditor *editor) { + if ([editor signalsBlocked]) + return; + + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + + GtkTreeIter iter; + gtk_combo_box_get_active_iter (widget, &iter); + EdgeDectorationStyle dec = ED_None; + gtk_tree_model_get (gtk_combo_box_get_model (widget), &iter, ED_VALUE_COL, &dec, -1); + [editor edgeDecorationChangedTo:dec]; + + [pool drain]; +} + +static void thickness_adjustment_changed_cb (GtkAdjustment *adj, EdgeStyleEditor *editor) { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + [editor thicknessChangedTo:gtk_adjustment_get_value (adj)]; + [pool drain]; +} + +// }}} + +// vim:ft=objc:ts=4:et:sts=4:sw=4:foldmethod=marker |