dialog_resize_helper

#include <dialog_resize_helper.h>

Data Structures
struct	param

Public Types
enum	{   X_MOVE = 1, X_SIZE = 2, Y_MOVE = 4, Y_SIZE = 8,   XY_MOVE = X_MOVE|Y_MOVE, XY_SIZE = X_SIZE|Y_SIZE, X_MOVE_Y_SIZE = X_MOVE|Y_SIZE, X_SIZE_Y_MOVE = X_SIZE|Y_MOVE }

Public Member Functions
	dialog_resize_helper (const param *src, unsigned count, unsigned p_min_x, unsigned p_min_y, unsigned p_max_x, unsigned p_max_y)
	~dialog_resize_helper ()
void	add_sizegrip ()
	PFC_CLASS_NOT_COPYABLE_EX (dialog_resize_helper)
bool	process_message (HWND wnd, UINT msg, WPARAM wp, LPARAM lp)
BOOL	ProcessWindowMessage (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT &lResult)
void	set_max_size (unsigned x, unsigned y)
void	set_min_size (unsigned x, unsigned y)

Private Member Functions
void	on_wm_size ()
void	reset ()
void	set_parent (HWND wnd)

Private Attributes
pfc::array_t< param >	m_table
unsigned	max_x
unsigned	max_y
unsigned	min_x
unsigned	min_y
RECT	orig_client
HWND	parent
pfc::array_t< RECT >	rects
HWND	sizegrip

Detailed Description

Definition at line 8 of file dialog_resize_helper.h.

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Data Structure Documentation

struct dialog_resize_helper::param

Definition at line 17 of file dialog_resize_helper.h.

Data Fields
unsigned short	flags
unsigned short	id

Member Enumeration Documentation

anonymous enum

Enumerator
X_MOVE
X_SIZE
Y_MOVE
Y_SIZE
XY_MOVE
XY_SIZE
X_MOVE_Y_SIZE
X_SIZE_Y_MOVE

Definition at line 32 of file dialog_resize_helper.h.

         {
        X_MOVE = 1, X_SIZE = 2, Y_MOVE = 4, Y_SIZE = 8,
        XY_MOVE = X_MOVE|Y_MOVE, XY_SIZE = X_SIZE|Y_SIZE,
        X_MOVE_Y_SIZE = X_MOVE|Y_SIZE, X_SIZE_Y_MOVE = X_SIZE|Y_MOVE,
    };

Constructor & Destructor Documentation

dialog_resize_helper::dialog_resize_helper	(	const param *	src,
		unsigned	count,
		unsigned	p_min_x,
		unsigned	p_min_y,
		unsigned	p_max_x,
		unsigned	p_max_y
	)

Definition at line 150 of file dialog_resize_helper.cpp.

    : min_x(p_min_x), min_y(p_min_y), max_x(p_max_x), max_y(p_max_y), parent(0), sizegrip(0)
{
    m_table.set_size(count);
    unsigned n;
    for(n=0;n<count;n++)
        m_table[n] = src[n];
    rects.set_size(count);
}

dialog_resize_helper::~dialog_resize_helper

(

)

Definition at line 160 of file dialog_resize_helper.cpp.

{
}

Member Function Documentation

void dialog_resize_helper::add_sizegrip

(

)

Definition at line 132 of file dialog_resize_helper.cpp.

{
    if (parent != 0 && sizegrip == 0)
    {
        sizegrip = CreateWindowEx(0, WC_SCROLLBAR, _T(""), WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | SBS_SIZEGRIP | SBS_SIZEBOXBOTTOMRIGHTALIGN,
            0, 0, CW_USEDEFAULT, CW_USEDEFAULT,
            parent, (HMENU)0, NULL, NULL);
        if (sizegrip != 0)
        {
            RECT rc, rc_grip;
            GetClientRect(parent, &rc);
            GetWindowRect(sizegrip, &rc_grip);
            SetWindowPos(sizegrip, NULL, rc.right - (rc_grip.right - rc_grip.left), rc.bottom - (rc_grip.bottom - rc_grip.top), 0, 0, SWP_NOZORDER | SWP_NOSIZE);
        }
    }
}

void dialog_resize_helper::on_wm_size ( )

private

Definition at line 30 of file dialog_resize_helper.cpp.

{
    if (parent)
    {
        unsigned count = m_table.get_size();
        if (sizegrip != 0) count++;
        HDWP hWinPosInfo = BeginDeferWindowPos(count);
        for(unsigned n=0;n<m_table.get_size();n++)
        {
            param & e = m_table[n];
            const RECT & orig_rect = rects[n];
            RECT cur_client;
            GetClientRect(parent,&cur_client);
            HWND wnd = GetDlgItem(parent,e.id);
            if (wnd != NULL) {
                unsigned dest_x = orig_rect.left, dest_y = orig_rect.top, 
                    dest_cx = orig_rect.right - orig_rect.left, dest_cy = orig_rect.bottom - orig_rect.top;

                int delta_x = cur_client.right - orig_client.right,
                    delta_y = cur_client.bottom - orig_client.bottom;

                if (e.flags & X_MOVE)
                    dest_x += delta_x;
                else if (e.flags & X_SIZE)
                    dest_cx += delta_x;

                if (e.flags & Y_MOVE)
                    dest_y += delta_y;
                else if (e.flags & Y_SIZE)
                    dest_cy += delta_y;
                
                hWinPosInfo = DeferWindowPos(hWinPosInfo, wnd,0,dest_x,dest_y,dest_cx,dest_cy,SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE);
            }
        }
        if (sizegrip != 0)
        {
            RECT rc, rc_grip;
            GetClientRect(parent, &rc);
            GetWindowRect(sizegrip, &rc_grip);
            hWinPosInfo = DeferWindowPos(hWinPosInfo, sizegrip, NULL, rc.right - (rc_grip.right - rc_grip.left), rc.bottom - (rc_grip.bottom - rc_grip.top), 0, 0, SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE | SWP_NOSIZE);
        }
        EndDeferWindowPos(hWinPosInfo);
        //RedrawWindow(parent,0,0,RDW_INVALIDATE);
    }
}

dialog_resize_helper::PFC_CLASS_NOT_COPYABLE_EX

(

dialog_resize_helper

)

bool dialog_resize_helper::process_message	(	HWND	wnd,
		UINT	msg,
		WPARAM	wp,
		LPARAM	lp
	)

Definition at line 76 of file dialog_resize_helper.cpp.

                                                                                {
    LRESULT result = 0;
    if (!ProcessWindowMessage(wnd,msg,wp,lp,result)) return false;
    SetWindowLongPtr(wnd,DWLP_MSGRESULT,result);
    return true;
}

BOOL dialog_resize_helper::ProcessWindowMessage	(	HWND	hWnd,
		UINT	uMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		LRESULT &	lResult
	)

Definition at line 83 of file dialog_resize_helper.cpp.

                                                                                                                    {
    switch(uMsg) {
    case WM_SIZE:
        on_wm_size();
        return FALSE;
    case WM_GETMINMAXINFO:
        {
            RECT r;
            LPMINMAXINFO info = (LPMINMAXINFO) lParam;
            DWORD dwStyle = GetWindowLong(hWnd, GWL_STYLE);
            DWORD dwExStyle = GetWindowLong(hWnd, GWL_EXSTYLE);
            if (max_x && max_y)
            {
                r.left = 0; r.right = max_x;
                r.top = 0; r.bottom = max_y;
                MapDialogRect(hWnd,&r);
                AdjustWindowRectEx(&r, dwStyle, FALSE, dwExStyle);
                info->ptMaxTrackSize.x = r.right - r.left;
                info->ptMaxTrackSize.y = r.bottom - r.top;
            }
            if (min_x && min_y)
            {
                r.left = 0; r.right = min_x;
                r.top = 0; r.bottom = min_y;
                MapDialogRect(hWnd,&r);
                AdjustWindowRectEx(&r, dwStyle, FALSE, dwExStyle);
                info->ptMinTrackSize.x = r.right - r.left;
                info->ptMinTrackSize.y = r.bottom - r.top;
            }
        }
        lResult = 0;
        return TRUE;
    case WM_INITDIALOG:
        set_parent(hWnd);
        {
            t_size n;
            for(n=0;n<m_table.get_size();n++) {
                GetChildWindowRect(parent,m_table[n].id,&rects[n]);
            }
        }
        return FALSE;
    case WM_DESTROY:
        reset();
        return FALSE;
    default:
        return FALSE;
    }
}

void dialog_resize_helper::reset ( )

private

Definition at line 24 of file dialog_resize_helper.cpp.

{
    parent = 0;
    sizegrip = 0;
}

void dialog_resize_helper::set_max_size ( unsigned  x, unsigned  y  )

inline

Definition at line 29 of file dialog_resize_helper.h.

{max_x = x; max_y = y;}

void dialog_resize_helper::set_min_size ( unsigned  x, unsigned  y  )

inline

Definition at line 28 of file dialog_resize_helper.h.

{min_x = x; min_y = y;}

void dialog_resize_helper::set_parent ( HWND  wnd )

private

Definition at line 17 of file dialog_resize_helper.cpp.

{
    reset();
    parent = wnd;
    GetClientRect(parent,&orig_client);
}

Field Documentation

pfc::array_t<param> dialog_resize_helper::m_table

private

Definition at line 22 of file dialog_resize_helper.h.

unsigned dialog_resize_helper::max_x

private

Definition at line 14 of file dialog_resize_helper.h.

unsigned dialog_resize_helper::max_y

private

Definition at line 14 of file dialog_resize_helper.h.

unsigned dialog_resize_helper::min_x

private

Definition at line 14 of file dialog_resize_helper.h.

unsigned dialog_resize_helper::min_y

private

Definition at line 14 of file dialog_resize_helper.h.

RECT dialog_resize_helper::orig_client

private

Definition at line 11 of file dialog_resize_helper.h.

HWND dialog_resize_helper::parent

private

Definition at line 12 of file dialog_resize_helper.h.

pfc::array_t<RECT> dialog_resize_helper::rects

private

Definition at line 10 of file dialog_resize_helper.h.

HWND dialog_resize_helper::sizegrip

private

Definition at line 13 of file dialog_resize_helper.h.

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The documentation for this class was generated from the following files:

• foobar2000/helpers/dialog_resize_helper.h
• foobar2000/helpers/dialog_resize_helper.cpp