home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Power-Programmierung
/
CD1.mdf
/
magazine
/
drdobbs
/
1992
/
06
/
dflt12
/
sysmenu.c
< prev
next >
Wrap
Text File
|
1992-01-21
|
3KB
|
104 lines
/* ------------- sysmenu.c ------------ */
#include "dflat.h"
int SystemMenuProc(WINDOW wnd, MESSAGE msg, PARAM p1, PARAM p2)
{
int mx, my;
WINDOW wnd1;
switch (msg) {
case CREATE_WINDOW:
wnd->holdmenu = ActiveMenuBar;
ActiveMenuBar = &SystemMenu;
SystemMenu.PullDown[0].Selection = 0;
break;
case LEFT_BUTTON:
wnd1 = GetParent(wnd);
mx = (int) p1 - GetLeft(wnd1);
my = (int) p2 - GetTop(wnd1);
if (HitControlBox(wnd1, mx, my))
return TRUE;
break;
case LB_CHOOSE:
PostMessage(wnd, CLOSE_WINDOW, 0, 0);
break;
case DOUBLE_CLICK:
if (p2 == GetTop(GetParent(wnd))) {
PostMessage(GetParent(wnd), msg, p1, p2);
SendMessage(wnd, CLOSE_WINDOW, TRUE, 0);
}
return TRUE;
case SHIFT_CHANGED:
return TRUE;
case CLOSE_WINDOW:
ActiveMenuBar = wnd->holdmenu;
break;
default:
break;
}
return DefaultWndProc(wnd, msg, p1, p2);
}
/* ------- Build a system menu -------- */
void BuildSystemMenu(WINDOW wnd)
{
int lf = GetLeft(wnd)+1;
int tp = GetTop(wnd)+1;
int ht = MenuHeight(SystemMenu.PullDown[0].Selections);
int wd = MenuWidth(SystemMenu.PullDown[0].Selections);
WINDOW SystemMenuWnd;
SystemMenu.PullDown[0].Selections[6].Accelerator =
(GetClass(wnd) == APPLICATION) ? ALT_F4 : CTRL_F4;
if (lf+wd > SCREENWIDTH-1)
lf = (SCREENWIDTH-1) - wd;
if (tp+ht > SCREENHEIGHT-2)
tp = (SCREENHEIGHT-2) - ht;
SystemMenuWnd = CreateWindow(POPDOWNMENU, NULL,
lf,tp,ht,wd,NULL,wnd,SystemMenuProc, 0);
#ifdef INCLUDE_RESTORE
if (wnd->condition == ISRESTORED)
DeactivateCommand(&SystemMenu, ID_SYSRESTORE);
else
ActivateCommand(&SystemMenu, ID_SYSRESTORE);
#endif
if (TestAttribute(wnd, MOVEABLE)
#ifdef INCLUDE_MAXIMIZE
&& wnd->condition != ISMAXIMIZED
#endif
)
ActivateCommand(&SystemMenu, ID_SYSMOVE);
else
DeactivateCommand(&SystemMenu, ID_SYSMOVE);
if (wnd->condition != ISRESTORED ||
TestAttribute(wnd, SIZEABLE) == FALSE)
DeactivateCommand(&SystemMenu, ID_SYSSIZE);
else
ActivateCommand(&SystemMenu, ID_SYSSIZE);
#ifdef INCLUDE_MINIMIZE
if (wnd->condition == ISMINIMIZED ||
TestAttribute(wnd, MINMAXBOX) == FALSE)
DeactivateCommand(&SystemMenu, ID_SYSMINIMIZE);
else
ActivateCommand(&SystemMenu, ID_SYSMINIMIZE);
#endif
#ifdef INCLUDE_MAXIMIZE
if (wnd->condition != ISRESTORED ||
TestAttribute(wnd, MINMAXBOX) == FALSE)
DeactivateCommand(&SystemMenu, ID_SYSMAXIMIZE);
else
ActivateCommand(&SystemMenu, ID_SYSMAXIMIZE);
#endif
SendMessage(SystemMenuWnd, BUILD_SELECTIONS,
(PARAM) &SystemMenu.PullDown[0], 0);
SendMessage(SystemMenuWnd, SHOW_WINDOW, 0, 0);
}