popup.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	_POPUP_WINDOW

Typedefs
typedef VOID(NTAPI *	PPOPUP_INPUT_ROUTINE) (VOID)
typedef struct _POPUP_WINDOW	POPUP_WINDOW
typedef struct _POPUP_WINDOW *	PPOPUP_WINDOW

Functions
PPOPUP_WINDOW	CreatePopupWindow (IN PCONSRV_CONSOLE Console, IN PCONSOLE_SCREEN_BUFFER ScreenBuffer, IN SHORT xLeft, IN SHORT yTop, IN SHORT Width, IN SHORT Height)
VOID	DestroyPopupWindow (IN PPOPUP_WINDOW Popup)

Typedef Documentation

POPUP_WINDOW

typedef struct _POPUP_WINDOW POPUP_WINDOW

PPOPUP_INPUT_ROUTINE

typedef VOID(NTAPI * PPOPUP_INPUT_ROUTINE) (VOID)

Definition at line 12 of file popup.h.

PPOPUP_WINDOW

typedef struct _POPUP_WINDOW * PPOPUP_WINDOW

Function Documentation

CreatePopupWindow()

PPOPUP_WINDOW CreatePopupWindow	(	IN PCONSRV_CONSOLE	Console,
		IN PCONSOLE_SCREEN_BUFFER	ScreenBuffer,
		IN SHORT	xLeft,
		IN SHORT	yTop,
		IN SHORT	Width,
		IN SHORT	Height
	)

Definition at line 184 of file popup.c.

{
    PTEXTMODE_SCREEN_BUFFER Buffer;
    PPOPUP_WINDOW Popup;
    SMALL_RECT Region;
 
    ASSERT((PCONSOLE)Console == ScreenBuffer->Header.Console);
 
    if (GetType(ScreenBuffer) != TEXTMODE_BUFFER)
        return NULL;
 
    Buffer = (PTEXTMODE_SCREEN_BUFFER)ScreenBuffer;
 
    /* Create the popup window */
    Popup = ConsoleAllocHeap(HEAP_ZERO_MEMORY, sizeof(*Popup));
    if (Popup == NULL) return NULL;
 
    Popup->ScreenBuffer = Buffer;
    Popup->Origin.X = xLeft;
    Popup->Origin.Y = yTop;
    Popup->Size.X = Width;
    Popup->Size.Y = Height;
 
    /* Save old contents */
    Popup->OldContents = ConsoleAllocHeap(HEAP_ZERO_MEMORY,
                                          Popup->Size.X * Popup->Size.Y *
                                            sizeof(*Popup->OldContents));
    if (Popup->OldContents == NULL)
    {
        ConsoleFreeHeap(Popup);
        return NULL;
    }
    Region.Left   = Popup->Origin.X;
    Region.Top    = Popup->Origin.Y;
    Region.Right  = Popup->Origin.X + Popup->Size.X - 1;
    Region.Bottom = Popup->Origin.Y + Popup->Size.Y - 1;
    ConDrvReadConsoleOutput(Buffer->Header.Console,
                            Buffer,
                            TRUE,
                            Popup->OldContents,
                            &Region);
 
    /* Draw it */
    DrawBox(Buffer,
            xLeft, yTop,
            Width, Height);
 
    /* Add it into the list of popups */
    InsertTailList(&Console->PopupWindows, &Popup->ListEntry);
 
    return Popup;
}

Referenced by HistoryDisplayCurrentHistory().

DestroyPopupWindow()

VOID DestroyPopupWindow

(

IN PPOPUP_WINDOW

Popup

)

Definition at line 244 of file popup.c.

{
    SMALL_RECT Region;
 
    if (Popup == NULL) return;
 
    /* Remove it from the list of popups */
    RemoveEntryList(&Popup->ListEntry);
 
    /* Restore the old screen-buffer contents */
    Region.Left   = Popup->Origin.X;
    Region.Top    = Popup->Origin.Y;
    Region.Right  = Popup->Origin.X + Popup->Size.X - 1;
    Region.Bottom = Popup->Origin.Y + Popup->Size.Y - 1;
    ConDrvWriteConsoleOutput(Popup->ScreenBuffer->Header.Console,
                             Popup->ScreenBuffer,
                             TRUE,
                             Popup->OldContents,
                             &Region);
 
    /* Free memory */
    ConsoleFreeHeap(Popup->OldContents);
    ConsoleFreeHeap(Popup);
}

Referenced by LineInputKeyDown().