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/********************************************************************************************
Clean OS Windows library module version 1.2.1.
This module is part of the Clean Object I/O library, version 1.2.1,
for the Windows platform.
********************************************************************************************/
/********************************************************************************************
About this module:
Routines related to window/dialog handling.
********************************************************************************************/
#include "cCCallWindows_121.h"
#include "cCrossCallWindows_121.h"
void WinInvalidateWindow (HWND hwnd)
{
InvalidateRect ((HWND) hwnd, NULL, FALSE);
}
void WinInvalidateRect (HWND hwnd, int left, int top, int right, int bottom)
{
RECT rect;
rect.left = left;
rect.top = top;
rect.right = right;
rect.bottom = bottom;
InvalidateRect ((HWND) hwnd, &rect, FALSE);
}
void WinValidateRect (HWND hwnd, int left, int top, int right, int bottom)
{
RECT rect;
rect.left = left;
rect.top = top;
rect.right = right;
rect.bottom = bottom;
ValidateRect ((HWND) hwnd, &rect);
}
void WinValidateRgn (HWND hwnd, HRGN rgn)
{
ValidateRgn ((HWND) hwnd, (HRGN) rgn);
}
/* Win(M/S)DIClientToOuterSizeDims returns the width and height needed to add/subtract
from the client/outer size to obtain the outer/client size.
These values must be the same as used by W95AdjustClean(M/S)DIWindowDimensions!
*/
void WinMDIClientToOuterSizeDims (int styleFlags, int *dw, int *dh)
{
if ((styleFlags&WS_THICKFRAME) != 0)
{ /* resizable window */
*dw = 2 * GetSystemMetrics (SM_CXSIZEFRAME);
*dh = 2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION);
} else
{ /* fixed size window */
*dw = 2 * GetSystemMetrics (SM_CXFIXEDFRAME);
*dh = 2 * GetSystemMetrics (SM_CYFIXEDFRAME) + GetSystemMetrics (SM_CYCAPTION);
}
}
void WinSDIClientToOuterSizeDims (int styleFlags, int *dw, int *dh)
{
*dw = 2 * GetSystemMetrics (SM_CXSIZEFRAME);
*dh = 2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION);
}
/* Set and get the GWL_USERDATA of a windowhandle.
*/
void SetGWL_USERDATA (LONG data, HWND hwnd)
{
SetWindowLong (hwnd, GWL_USERDATA, data);
}
LONG GetGWL_USERDATA (HWND hwnd)
{
return GetWindowLong (hwnd, GWL_USERDATA);
}
/* UpdateWindowScrollbars updates any window scrollbars and non-client area if present.
Uses the following access procedures to the GWL_STYLE of a windowhandle:
GetGWL_STYLE (hwnd) returns the GWL_STYLE value of hwnd;
WindowHasHScroll (hwnd) returns TRUE iff hwnd has a horizontal scrollbar;
WindowHasVScroll (hwnd) returns TRUE iff hwnd has a vertical scrollbar;
*/
static LONG GetGWL_STYLE (HWND hwnd)
{
return GetWindowLong (hwnd, GWL_STYLE);
}
static BOOL WindowHasHScroll (HWND hwnd)
{
LONG hwndStyle = GetGWL_STYLE (hwnd);
return (hwndStyle & WS_HSCROLL);
}
static BOOL WindowHasVScroll (HWND hwnd)
{
LONG hwndStyle = GetGWL_STYLE (hwnd);
return (hwndStyle & WS_VSCROLL);
}
void UpdateWindowScrollbars (HWND hwnd)
{
int w,h;
RECT rect;
GetWindowRect (hwnd, &rect);
w = rect.right -rect.left;
h = rect.bottom-rect.top;
if (WindowHasHScroll (hwnd))
{
rect.left = 0;
rect.top = h-GetSystemMetrics (SM_CYHSCROLL);
rect.right = w;
rect.bottom = h;
InvalidateRect (hwnd,&rect,FALSE);
RedrawWindow (hwnd,&rect,NULL,RDW_FRAME | RDW_VALIDATE | RDW_UPDATENOW | RDW_NOCHILDREN);
ValidateRect (hwnd,&rect);
}
if (WindowHasVScroll (hwnd))
{
rect.left = w-GetSystemMetrics (SM_CXVSCROLL);
rect.top = 0;
rect.right = w;
rect.bottom = h;
InvalidateRect (hwnd,&rect,FALSE);
RedrawWindow (hwnd,&rect,NULL,RDW_FRAME | RDW_VALIDATE | RDW_UPDATENOW | RDW_NOCHILDREN);
ValidateRect (hwnd,&rect);
}
}
int WinScreenYSize ()
{
return GetSystemMetrics (SM_CYSCREEN);
}
int WinScreenXSize ()
{
return GetSystemMetrics (SM_CXSCREEN);
}
void WinMinimumWinSize (int *mx, int *my)
{
*mx = 48;
*my = 0;
}
/* WinScrollbarSize determines system metrics of width and height of scrollbars.
*/
void WinScrollbarSize (int *width, int *height)
{
*width = GetSystemMetrics (SM_CXVSCROLL);
*height = GetSystemMetrics (SM_CYHSCROLL);
}
void WinMaxFixedWindowSize (int *mx, int *my)
{
*mx = GetSystemMetrics (SM_CXMAXIMIZED) - /* MAXIMIZED size */
4 * GetSystemMetrics (SM_CXFIXEDFRAME); /* window borders */
*my = GetSystemMetrics (SM_CYMAXIMIZED) - /* MAXIMIZED size */
4 * GetSystemMetrics (SM_CYFIXEDFRAME) - /* window borders */
GetSystemMetrics (SM_CYCAPTION); /* title bar */
}
void WinMaxScrollWindowSize (int *mx, int *my)
{
*mx = GetSystemMetrics (SM_CXMAXIMIZED) - // MAXIMIZED size
4 * GetSystemMetrics (SM_CXSIZEFRAME) - // window borders
4; // 2 * client edge
*my = GetSystemMetrics (SM_CYMAXIMIZED) - // MAXIMIZED size
4 * GetSystemMetrics (SM_CYSIZEFRAME) - // window borders
4 - // 2 * clientedge
GetSystemMetrics (SM_CYCAPTION); // title bar
}
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