/*
* Copyright (c) 2011, 2012, Jonathan Schleifer <js@webkeks.org>
*
* https://webkeks.org/hg/objgui/
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#import "OGComboBox.h"
@interface OGComboBox ()
- (void)OG_changed;
@end
static void
changed(GtkWidget *widget, gpointer data)
{
[(OGComboBox*)data OG_changed];
}
@implementation OGComboBox
@synthesize delegate;
+ comboBox
{
return [[[self alloc] init] autorelease];
}
- init
{
self = [super init];
widget = gtk_combo_box_new();
GtkCellRenderer *renderer = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(widget), renderer, FALSE);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(widget), renderer,
"text", 0, NULL);
g_signal_connect(G_OBJECT(widget), "changed", G_CALLBACK(changed),
self);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(og_destroy),
self);
[self retain];
return self;
}
- (id <OGComboBoxDataSource>)dataSource
{
return dataSource;
}
- (void)setDataSource: (id <OGComboBoxDataSource>)dataSource_
{
GtkListStore *listStore = gtk_list_store_new(1, G_TYPE_STRING);
GtkTreeIter iter;
OGComboBoxItem* (*itemAtIndex)(id, SEL, OGComboBox*, size_t);
dataSource = dataSource_;
itemAtIndex = (OGComboBoxItem*(*)(id, SEL, OGComboBox*, size_t))
[dataSource methodForSelector: @selector(comboBox:itemAtIndex:)];
size_t i, size = [dataSource numberOfItemsInComboBox: self];
for (i = 0; i < size; i++) {
OGComboBoxItem *item = itemAtIndex(dataSource,
@selector(comboBox:itemAtIndex:), self, i);
gtk_list_store_append(listStore, &iter);
gtk_list_store_set(listStore, &iter, 0,
[item.label UTF8String], -1);
}
gtk_combo_box_set_model(GTK_COMBO_BOX(widget),
GTK_TREE_MODEL(listStore));
}
- (void)OG_changed
{
OFAutoreleasePool *pool = [OFAutoreleasePool new];
if ([delegate respondsToSelector: @selector(comboBoxWasChanged:)])
[delegate comboBoxWasChanged: self];
[pool release];
}
@end