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