【一】控件等比例缩放EasySize.h
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/*===================================================*\| || EASY-SIZE Macros || || Copyright (c) 2001 - Marc Richarme || devix@devix.cjb.net || http://devix.cjb.net || || License: || || You may use this code in any commersial or non- || commersial application, and you may redistribute || this file (and even modify it if you wish) as || long as you keep this notice untouched in any || version you redistribute. || || Usage: || || - Insert 'DECLARE_EASYSIZE' somewhere in your || class declaration || - Insert an easysize map in the beginning of your || class implementation (see documentation) and || outside of any function. || - Insert 'INIT_EASYSIZE;' in your || OnInitDialog handler. || - Insert 'UPDATE_EASYSIZE' in your OnSize handler || - Optional: Insert 'EASYSIZE_MINSIZE(mx,my);' in || your OnSizing handler if you want to specify || a minimum size for your dialog || || Check http://devix.cjb.net for the || docs and new versions || |\*===================================================*/#ifndef __EASYSIZE_H_#define __EASYSIZE_H_#define ES_BORDER 0xffffffff#define ES_KEEPSIZE 0xfffffffe#define ES_HCENTER 0x00000001#define ES_VCENTER 0x00000002#define DECLARE_EASYSIZE \void __ES__RepositionControls(BOOL bInit);\void __ES__CalcBottomRight(CWnd *pThis, BOOL bBottom, int &bottomright, int &topleft, UINT id, UINT br, int es_br, CRect &rect, int clientbottomright);#define INIT_EASYSIZE __ES__RepositionControls(TRUE); __ES__RepositionControls(FALSE)#define UPDATE_EASYSIZE if(GetWindow(GW_CHILD)!=NULL) __ES__RepositionControls(FALSE)#define EASYSIZE_MINSIZE(mx,my,s,r) if(r->right-r->left < mx) { if((s == WMSZ_BOTTOMLEFT)||(s == WMSZ_LEFT)||(s == WMSZ_TOPLEFT)) r->left = r->right-mx; else r->right = r->left+mx; } if(r->bottom-r->top < my) { if((s == WMSZ_TOP)||(s == WMSZ_TOPLEFT)||(s == WMSZ_TOPRIGHT)) r->top = r->bottom-my; else r->bottom = r->top+my; }#define BEGIN_EASYSIZE_MAP(class) \void class::__ES__CalcBottomRight(CWnd *pThis, BOOL bBottom, int &bottomright, int &topleft, UINT id, UINT br, int es_br, CRect &rect, int clientbottomright) {\if(br==ES_BORDER) bottomright = clientbottomright-es_br;\else if(br==ES_KEEPSIZE) bottomright = topleft+es_br;\else { CRect rect2;\pThis->GetDlgItem(br)->GetWindowRect(rect2); pThis->ScreenToClient(rect2);\bottomright = (bBottom?rect2.top:rect2.left) - es_br;}}\void class::__ES__RepositionControls(BOOL bInit) { CRect rect,rect2,client; GetClientRect(client);#define END_EASYSIZE_MAP Invalidate(); UpdateWindow(); }#define EASYSIZE(id,l,t,r,b,o) \static int id##_es_l, id##_es_t, id##_es_r, id##_es_b;\if(bInit) {\GetDlgItem(id)->GetWindowRect(rect); ScreenToClient(rect);\if(o & ES_HCENTER) id##_es_l = rect.Width()/2; else {\if(l==ES_BORDER) id##_es_l = rect.left; else if(l==ES_KEEPSIZE) id##_es_l = rect.Width(); else {\GetDlgItem(l)->GetWindowRect(rect2); ScreenToClient(rect2);\id##_es_l = rect.left-rect2.right;}}\if(o & ES_VCENTER) id##_es_t = rect.Height()/2; else {\if(t==ES_BORDER) id##_es_t = rect.top; else if(t==ES_KEEPSIZE) id##_es_t = rect.Height(); else {\GetDlgItem(t)->GetWindowRect(rect2); ScreenToClient(rect2);\id##_es_t = rect.top-rect2.bottom;}}\if(o & ES_HCENTER) id##_es_r = rect.Width(); else { if(r==ES_BORDER) id##_es_r = client.right-rect.right; else if(r==ES_KEEPSIZE) id##_es_r = rect.Width(); else {\GetDlgItem(r)->GetWindowRect(rect2); ScreenToClient(rect2);\id##_es_r = rect2.left-rect.right;}}\if(o & ES_VCENTER) id##_es_b = rect.Height(); else { if(b==ES_BORDER) id##_es_b = client.bottom-rect.bottom; else if(b==ES_KEEPSIZE) id##_es_b = rect.Height(); else {\GetDlgItem(b)->GetWindowRect(rect2); ScreenToClient(rect2);\id##_es_b = rect2.top-rect.bottom;}}\} else {\int left,top,right,bottom; BOOL bR = FALSE,bB = FALSE;\if(o & ES_HCENTER) { int _a,_b;\if(l==ES_BORDER) _a = client.left; else { GetDlgItem(l)->GetWindowRect(rect2); ScreenToClient(rect2); _a = rect2.right; }\if(r==ES_BORDER) _b = client.right; else { GetDlgItem(r)->GetWindowRect(rect2); ScreenToClient(rect2); _b = rect2.left; }\left = _a+((_b-_a)/2-id##_es_l); right = left + id##_es_r;} else {\if(l==ES_BORDER) left = id##_es_l;\else if(l==ES_KEEPSIZE) { __ES__CalcBottomRight(this,FALSE,right,left,id,r,id##_es_r,rect,client.right); left = right-id##_es_l;\} else { GetDlgItem(l)->GetWindowRect(rect2); ScreenToClient(rect2); left = rect2.right + id##_es_l; }\if(l != ES_KEEPSIZE) __ES__CalcBottomRight(this,FALSE,right,left,id,r,id##_es_r,rect,client.right);}\if(o & ES_VCENTER) { int _a,_b;\if(t==ES_BORDER) _a = client.top; else { GetDlgItem(t)->GetWindowRect(rect2); ScreenToClient(rect2); _a = rect2.bottom; }\if(b==ES_BORDER) _b = client.bottom; else { GetDlgItem(b)->GetWindowRect(rect2); ScreenToClient(rect2); _b = rect2.top; }\top = _a+((_b-_a)/2-id##_es_t); bottom = top + id##_es_b;} else {\if(t==ES_BORDER) top = id##_es_t;\else if(t==ES_KEEPSIZE) { __ES__CalcBottomRight(this,TRUE,bottom,top,id,b,id##_es_b,rect,client.bottom); top = bottom-id##_es_t;\} else { GetDlgItem(t)->GetWindowRect(rect2); ScreenToClient(rect2); top = rect2.bottom + id##_es_t; }\if(t != ES_KEEPSIZE) __ES__CalcBottomRight(this,TRUE,bottom,top,id,b,id##_es_b,rect,client.bottom);}\GetDlgItem(id)->MoveWindow(left,top,right-left,bottom-top,FALSE);\}#endif //__EASYSIZE_H_【用法】：以上文件复制粘贴为 .h 文件即可
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