/*
* Copyright (c) 2011, 2012, Dillon Aumiller <dillonaumiller@gmail.com>
*
* 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.
*/
//==================================================================================================================================
// OGComboBox.m
//==================================================================================================================================
#import "OGComboBox.h"
//==================================================================================================================================
@interface OGComboBox ()
- (void)OG_changed;
@end
//==================================================================================================================================
typedef void(*CommandHandler)(id,WPARAM);
typedef struct
{
CommandHandler funct;
id object;
} CommandHandlerData;
//----------------------------------------------------------------------------------------------------------------------------------
static void CH_Command(id object, WPARAM wparam)
{
if(HIWORD(wparam) == LBN_SELCHANGE) //selection changed
[object OG_changed];
}
//==================================================================================================================================
@implementation OGComboBox
//----------------------------------------------------------------------------------------------------------------------------------
@synthesize delegate;
//----------------------------------------------------------------------------------------------------------------------------------
+ comboBox
{
return [[[self alloc] init] autorelease];
}
//----------------------------------------------------------------------------------------------------------------------------------
- init
{
self = [super init];
//see [OGButton init] for reasoning here...
DestroyWindow(widget);
widget = NULL;
HINSTANCE hInst = (HINSTANCE)GetModuleHandle(NULL);
widget = CreateWindow("LISTBOX", "", LBS_NOINTEGRALHEIGHT,
0, 0, 32, 32,
NULL, NULL, hInst, NULL);
SetWindowLong(widget, GWL_STYLE, LBS_NOINTEGRALHEIGHT | LBS_NOTIFY | WS_CHILD | WS_VISIBLE | WS_TABSTOP);
CommandHandlerData *chd = (CommandHandlerData *)malloc(sizeof(CommandHandlerData));
chd->funct = CH_Command;
chd->object = self;
SetProp(widget, "CommandHandlerData", chd);
[self retain];
return self;
}
//----------------------------------------------------------------------------------------------------------------------------------
- initWithParent : (OGWidget *)parent
{
self = [super init];
//see [OGButton init] for reasoning here...
DestroyWindow(widget);
widget = NULL;
HINSTANCE hInst = (HINSTANCE)GetModuleHandle(NULL);
widget = CreateWindow("LISTBOX", "", LBS_NOINTEGRALHEIGHT | LBS_NOTIFY | WS_CHILD | WS_VISIBLE,
0, 0, 32, 32,
parent->widget, NULL, hInst, NULL);
CommandHandlerData *chd = (CommandHandlerData *)malloc(sizeof(CommandHandlerData));
chd->funct = CH_Command;
chd->object = self;
SetProp(widget, "CommandHandlerData", chd);
[self retain];
return self;
}
//----------------------------------------------------------------------------------------------------------------------------------
- (id <OGComboBoxDataSource>)dataSource
{
return dataSource;
}
//----------------------------------------------------------------------------------------------------------------------------------
- (void)setDataSource: (id <OGComboBoxDataSource>)dataSource_
{
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);
SendMessage(widget, LB_ADDSTRING, 0, (WPARAM)[item.label UTF8String]);
}
}
//----------------------------------------------------------------------------------------------------------------------------------
- (void)OG_changed
{
OFAutoreleasePool *pool = [OFAutoreleasePool new];
if ([delegate respondsToSelector: @selector(comboBoxWasChanged:)])
[delegate comboBoxWasChanged: self];
[pool release];
}
//----------------------------------------------------------------------------------------------------------------------------------
@end
//==================================================================================================================================