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#include "wumf.h"
#pragma hdrstop
typedef struct {
DWORD helpID;
DWORD exStyle;
DWORD style;
short x;
short y;
short cx;
short cy;
WORD id;
} START_OF_DLGITEMTEMPLATEEX;
typedef struct {
WORD dlgVer;
WORD signature;
DWORD helpID;
DWORD exStyle;
DWORD style;
WORD cDlgItems;
short x;
short y;
short cx;
short cy;
} START_OF_DLGTEMPLATEEX;
int ResizeDialog(WPARAM wParam,LPARAM lParam)
{
UTILRESIZEDIALOG *urd=(UTILRESIZEDIALOG*)lParam;
HDWP hDwp;
int i;
DLGITEMTEMPLATE *pItem;
START_OF_DLGITEMTEMPLATEEX *pItemEx;
RECT rc;
PWORD pWord;
DLGTEMPLATE *pTemplate;
START_OF_DLGTEMPLATEEX *pTemplateEx;
UTILRESIZECONTROL urc;
int procResult;
int extendedDlg,itemCount;
if(urd->cbSize != sizeof(UTILRESIZEDIALOG))
return 1;
pTemplate = (DLGTEMPLATE*)LockResource(LoadResource(urd->hInstance,FindResource(urd->hInstance,urd->lpTemplate,RT_DIALOG)));
pTemplateEx = (START_OF_DLGTEMPLATEEX*)pTemplate;
extendedDlg = pTemplateEx->signature == 0xFFFF;
if(extendedDlg && pTemplateEx->dlgVer!=1)
return 1;
if(extendedDlg) pWord=(PWORD)(pTemplateEx+1);
else pWord=(PWORD)(pTemplate+1);
if(*pWord==0xFFFF) pWord+=2; else while(*pWord++); //menu
if(*pWord==0xFFFF) pWord+=2; else while(*pWord++); //class
while(*pWord++); //title
if(extendedDlg) {
if(pTemplateEx->style&DS_SETFONT) {
pWord+=3; //font size,weight,italic
while(*pWord++); //font name
}
}
else {
if(pTemplate->style&DS_SETFONT) {
pWord++; //font size
while(*pWord++); //font name
}
}
urc.cbSize=sizeof(UTILRESIZECONTROL);
rc.left=0; rc.top=0;
if(extendedDlg) {rc.right=pTemplateEx->cx; rc.bottom=pTemplateEx->cy;}
else {rc.right=pTemplate->cx; rc.bottom=pTemplate->cy;}
MapDialogRect(urd->hwndDlg,&rc);
urc.dlgOriginalSize.cx=rc.right; urc.dlgOriginalSize.cy=rc.bottom;
GetClientRect(urd->hwndDlg,&rc);
urc.dlgNewSize.cx=rc.right; urc.dlgNewSize.cy=rc.bottom;
if(extendedDlg) itemCount=pTemplateEx->cDlgItems;
else itemCount=pTemplate->cdit;
hDwp=BeginDeferWindowPos(itemCount);
for(i=0;i<itemCount;i++) {
if((unsigned)pWord&2) pWord++; //dword align
if(extendedDlg) {
pItemEx=(START_OF_DLGITEMTEMPLATEEX*)pWord;
pWord=(PWORD)(pItemEx+1);
urc.wId=pItemEx->id;
urc.rcItem.left=pItemEx->x; urc.rcItem.top=pItemEx->y;
urc.rcItem.right=urc.rcItem.left+pItemEx->cx; urc.rcItem.bottom=urc.rcItem.top+pItemEx->cy;
}
else {
pItem=(DLGITEMTEMPLATE*)pWord;
pWord=(PWORD)(pItem+1);
urc.wId=pItem->id;
urc.rcItem.left=pItem->x; urc.rcItem.top=pItem->y;
urc.rcItem.right=urc.rcItem.left+pItem->cx; urc.rcItem.bottom=urc.rcItem.top+pItem->cy;
}
if(*pWord==0xFFFF) pWord+=2; else while(*pWord++); //menu
if(*pWord==0xFFFF) pWord+=2; else while(*pWord++); //class
pWord+=1+(1+*pWord)/2; //creation data
if(urc.wId==65535) continue; //using this breaks the dwp, so just ignore it
MapDialogRect(urd->hwndDlg,&urc.rcItem);
procResult=(urd->pfnResizer)(urd->hwndDlg,urd->lParam,&urc);
if(procResult&RD_ANCHORX_RIGHT) {
urc.rcItem.left+=urc.dlgNewSize.cx-urc.dlgOriginalSize.cx;
urc.rcItem.right+=urc.dlgNewSize.cx-urc.dlgOriginalSize.cx;
}
else if(procResult&RD_ANCHORX_WIDTH)
urc.rcItem.right+=urc.dlgNewSize.cx-urc.dlgOriginalSize.cx;
else if(procResult&RD_ANCHORX_CENTRE) {
urc.rcItem.left+=(urc.dlgNewSize.cx-urc.dlgOriginalSize.cx)/2;
urc.rcItem.right+=(urc.dlgNewSize.cx-urc.dlgOriginalSize.cx)/2;
}
if(procResult&RD_ANCHORY_BOTTOM) {
urc.rcItem.top+=urc.dlgNewSize.cy-urc.dlgOriginalSize.cy;
urc.rcItem.bottom+=urc.dlgNewSize.cy-urc.dlgOriginalSize.cy;
}
else if(procResult&RD_ANCHORY_HEIGHT)
urc.rcItem.bottom+=urc.dlgNewSize.cy-urc.dlgOriginalSize.cy;
else if(procResult&RD_ANCHORY_CENTRE) {
urc.rcItem.top+=(urc.dlgNewSize.cy-urc.dlgOriginalSize.cy)/2;
urc.rcItem.bottom+=(urc.dlgNewSize.cy-urc.dlgOriginalSize.cy)/2;
}
hDwp=DeferWindowPos(hDwp,GetDlgItem(urd->hwndDlg,extendedDlg?pItemEx->id:pItem->id),0,urc.rcItem.left,urc.rcItem.top,urc.rcItem.right-urc.rcItem.left,urc.rcItem.bottom-urc.rcItem.top,SWP_NOZORDER);
}
EndDeferWindowPos(hDwp);
return 0;
}
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