/*
* Copyright (c) 2011, 2012, Dillon Aumiller <dillonaumiller@gmail.com>
* Copyright (c) 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.
*/
//==================================================================================================================================
// OGHBox.m
//==================================================================================================================================
#include <windows.h>
#import "OGHBox.h"
//==================================================================================================================================
@implementation OGHBox
//----------------------------------------------------------------------------------------------------------------------------------
- init
{
self = [super init];
[self retain];
return self;
}
//----------------------------------------------------------------------------------------------------------------------------------
- (void)appendChild: (OGWidget*)child
expand: (BOOL)expand
fill: (BOOL)fill
padding: (float)padding
{
RECT rc;
SetParent(child->widget, widget);
GetWindowRect(child->widget, &rc);
og_box_child_t *newChild = malloc(sizeof(og_box_child_t));
newChild->hwnd = child->widget;
newChild->expand = expand;
newChild->fill = fill;
newChild->padding = (int)padding;
newChild->originalSize = (rc.right - rc.left);
newChild->currentSize = (float)(newChild->originalSize + (newChild->padding << 1));
newChild->next = NULL;
if(firstBorn == NULL)
firstBorn = newChild;
else
{
og_box_child_t *curr = firstBorn;
while(curr->next != NULL) curr = curr->next;
curr->next = newChild;
}
[self OG_resizeChildren];
}
//----------------------------------------------------------------------------------------------------------------------------------
- (void)prependChild: (OGWidget*)child
expand: (BOOL)expand
fill: (BOOL)fill
padding: (float)padding
{
RECT rc;
SetParent(child->widget, widget);
GetWindowRect(child->widget, &rc);
og_box_child_t *newChild = malloc(sizeof(og_box_child_t));
newChild->hwnd = child->widget;
newChild->expand = expand;
newChild->fill = fill;
newChild->padding = (int)padding;
newChild->originalSize = (rc.right - rc.left);
newChild->currentSize = (float)(newChild->originalSize + (newChild->padding << 1));
newChild->next = firstBorn;
firstBorn = newChild;
[self OG_resizeChildren];
}
//----------------------------------------------------------------------------------------------------------------------------------
- (void)OG_resizeChildren
{
RECT rc;
og_box_child_t *curr;
//get our available size
GetClientRect(widget, &rc);
int width = rc.right;
int height = rc.bottom;
//get total of childrens' widths
int childOriginal = 0;
curr = firstBorn;
while(curr != NULL)
{
childOriginal += (curr->originalSize + (curr->padding << 1));
curr = curr->next;
}
//how to divide our extra space
int extra = width - childOriginal;
float evenShare = 0.0f;
if(extra <= 0)
{
curr = firstBorn;
while(curr != NULL)
{
curr->currentSize = curr->originalSize;
curr = curr->next;
}
if(extra < 0)
{
//this will generate a WM_SIZE message, and we'll come back to OG_resizeChildren
SetWindowPos(widget, NULL, 0, 0, childOriginal, height, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
return;
}
}
else
{
int sharers = 0;
curr = firstBorn;
while(curr != NULL)
{
if(curr->expand == YES)
sharers++;
curr = curr->next;
}
if(sharers > 0)
evenShare = (float)extra / (float)sharers;
if(evenShare > 0.0f)
{
curr = firstBorn;
while(curr != NULL)
{
if(curr->expand == YES)
if(curr->fill == YES)
curr->currentSize = (float)curr->originalSize + evenShare;
curr = curr->next;
}
}
}
//assign new positions/heights
float x = 0.0f;
curr = firstBorn;
while(curr != NULL)
{
x += (float)curr->padding;
SetWindowPos(curr->hwnd, NULL, (int)x, 0, curr->currentSize, height, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
x += (float)curr->currentSize;
if(curr->fill == NO) if(curr->expand == YES) x += evenShare;
x += (float)curr->padding;
curr = curr->next;
}
}
//----------------------------------------------------------------------------------------------------------------------------------
- (int)MessageReceived : (HWND)hwnd : (UINT)msg : (WPARAM)wparam : (LPARAM)lparam
{
switch(msg)
{
case WM_SIZE:
[self OG_resizeChildren];
return DefWindowProc(hwnd, msg, wparam, lparam);
break;
case WM_SIZING:
[self OG_resizeChildren];
return DefWindowProc(hwnd, msg, wparam, lparam);
break;
}
return [(id)super MessageReceived : hwnd : msg : wparam : lparam];
}
//----------------------------------------------------------------------------------------------------------------------------------
@end
//==================================================================================================================================