win32 branch commit

win32/OGComboBox.m

@@ -0,0 +1,129 @@
+/*
+ * 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
+//==================================================================================================================================