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