win32 branch commit
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Dillon Aumiller
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15 changed files with 1337 additions and 1 deletions
186
win32/OGHBox.m
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186
win32/OGHBox.m
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/*
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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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// OGHBox.m
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//==================================================================================================================================
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#include <windows.h>
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#import "OGHBox.h"
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//==================================================================================================================================
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@implementation OGHBox
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//----------------------------------------------------------------------------------------------------------------------------------
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- init
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{
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self = [super init];
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[self retain];
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return self;
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}
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//----------------------------------------------------------------------------------------------------------------------------------
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- (void)appendChild: (OGWidget*)child
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expand: (BOOL)expand
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fill: (BOOL)fill
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padding: (float)padding
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{
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RECT rc;
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SetParent(child->widget, widget);
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GetWindowRect(child->widget, &rc);
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OGBoxChild *newChild = (OGBoxChild *)malloc(sizeof(OGBoxChild));
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newChild->hwnd = child->widget;
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newChild->expand = expand;
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newChild->fill = fill;
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newChild->padding = (int)padding;
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newChild->originalSize = (rc.right - rc.left);
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newChild->currentSize = (float)(newChild->originalSize + (newChild->padding << 1));
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newChild->next = NULL;
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if(firstBorn == NULL)
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firstBorn = newChild;
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else
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{
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OGBoxChild *curr = firstBorn;
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while(curr->next != NULL) curr = curr->next;
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curr->next = newChild;
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}
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[self resizeChildren];
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}
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//----------------------------------------------------------------------------------------------------------------------------------
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- (void)prependChild: (OGWidget*)child
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expand: (BOOL)expand
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fill: (BOOL)fill
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padding: (float)padding
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{
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RECT rc;
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SetParent(child->widget, widget);
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GetWindowRect(child->widget, &rc);
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OGBoxChild *newChild = (OGBoxChild *)malloc(sizeof(OGBoxChild));
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newChild->hwnd = child->widget;
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newChild->expand = expand;
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newChild->fill = fill;
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newChild->padding = (int)padding;
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newChild->originalSize = (rc.right - rc.left);
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newChild->currentSize = (float)(newChild->originalSize + (newChild->padding << 1));
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newChild->next = firstBorn;
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firstBorn = newChild;
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[self resizeChildren];
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}
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//----------------------------------------------------------------------------------------------------------------------------------
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- (void)resizeChildren
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{
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RECT rc;
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OGBoxChild *curr;
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//get our available size
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GetClientRect(widget, &rc);
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int width = rc.right;
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int height = rc.bottom;
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//get total of childrens' widths
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int childOriginal = 0;
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curr = firstBorn;
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while(curr != NULL)
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{
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childOriginal += (curr->originalSize + (curr->padding << 1));
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curr = curr->next;
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}
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//how to divide our extra space
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int extra = width - childOriginal;
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float evenShare = 0.0f;
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if(extra <= 0)
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{
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curr = firstBorn;
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while(curr != NULL)
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{
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curr->currentSize = curr->originalSize;
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curr = curr->next;
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}
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if(extra < 0)
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{
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//this will generate a WM_SIZE message, and we'll come back to resizeChildren
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SetWindowPos(widget, NULL, 0, 0, childOriginal, height, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
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return;
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}
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}
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else
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{
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int sharers = 0;
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curr = firstBorn;
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while(curr != NULL)
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{
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if(curr->expand == YES)
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sharers++;
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curr = curr->next;
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}
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if(sharers > 0)
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evenShare = (float)extra / (float)sharers;
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if(evenShare > 0.0f)
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{
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curr = firstBorn;
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while(curr != NULL)
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{
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if(curr->expand == YES)
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if(curr->fill == YES)
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curr->currentSize = (float)curr->originalSize + evenShare;
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curr = curr->next;
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}
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}
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}
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//assign new positions/heights
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float x = 0.0f;
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curr = firstBorn;
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while(curr != NULL)
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{
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x += (float)curr->padding;
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SetWindowPos(curr->hwnd, NULL, (int)x, 0, curr->currentSize, height, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
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x += (float)curr->currentSize;
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if(curr->fill == NO) if(curr->expand == YES) x += evenShare;
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x += (float)curr->padding;
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curr = curr->next;
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}
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}
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//----------------------------------------------------------------------------------------------------------------------------------
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- (int)MessageReceived : (HWND)hwnd : (UINT)msg : (WPARAM)wparam : (LPARAM)lparam
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{
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switch(msg)
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{
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case WM_SIZE:
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[self resizeChildren];
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return DefWindowProc(hwnd, msg, wparam, lparam);
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break;
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case WM_SIZING:
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[self resizeChildren];
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return DefWindowProc(hwnd, msg, wparam, lparam);
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break;
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}
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return [(id)super MessageReceived : hwnd : msg : wparam : lparam];
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}
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//----------------------------------------------------------------------------------------------------------------------------------
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@end
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//==================================================================================================================================
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