ULONG
NTAPI
UiProcessMenuKeyboardEvent(IN PUI_MENU_INFO MenuInfo,
IN UiMenuKeyPressFilterCallback KeyPressFilter)
{
ULONG KeyEvent = 0;
ULONG Selected, Count;
/* Check for a keypress */
if (MachConsKbHit())
{
/* Check if the timeout is not already complete */
if (MenuInfo->MenuTimeRemaining != -1)
{
/* Cancel it and remove it */
MenuInfo->MenuTimeRemaining = -1;
UiDrawMenuBox(MenuInfo);
}
/* Get the key */
KeyEvent = MachConsGetCh();
/* Is it extended? Then get the extended key */
if (!KeyEvent) KeyEvent = MachConsGetCh();
/*
* Call the supplied key filter callback function to see
* if it is going to handle this keypress.
*/
if ((KeyPressFilter) && (KeyPressFilter(KeyEvent)))
{
/* It processed the key character, so redraw and exit */
UiDrawMenu(MenuInfo);
return 0;
}
/* Process the key */
if ((KeyEvent == KEY_UP ) || (KeyEvent == KEY_DOWN) ||
(KeyEvent == KEY_HOME) || (KeyEvent == KEY_END ))
{
/* Get the current selected item and count */
Selected = MenuInfo->SelectedMenuItem;
Count = MenuInfo->MenuItemCount - 1;
/* Check the key and change the selected menu item */
if ((KeyEvent == KEY_UP) && (Selected > 0))
{
/* Deselect previous item and go up */
MenuInfo->SelectedMenuItem--;
UiDrawMenuItem(MenuInfo, Selected);
Selected--;
// Skip past any separators
if ((Selected > 0) &&
(MenuInfo->MenuItemList[Selected] == NULL))
{
MenuInfo->SelectedMenuItem--;
}
}
else if ( ((KeyEvent == KEY_UP) && (Selected == 0)) ||
(KeyEvent == KEY_END) )
{
/* Go to the end */
MenuInfo->SelectedMenuItem = Count;
UiDrawMenuItem(MenuInfo, Selected);
}
else if ((KeyEvent == KEY_DOWN) && (Selected < Count))
{
/* Deselect previous item and go down */
MenuInfo->SelectedMenuItem++;
UiDrawMenuItem(MenuInfo, Selected);
Selected++;
// Skip past any separators
if ((Selected < Count) &&
(MenuInfo->MenuItemList[Selected] == NULL))
{
MenuInfo->SelectedMenuItem++;
}
}
else if ( ((KeyEvent == KEY_DOWN) && (Selected == Count)) ||
(KeyEvent == KEY_HOME) )
{
/* Go to the beginning */
MenuInfo->SelectedMenuItem = 0;
UiDrawMenuItem(MenuInfo, Selected);
}
/* Select new item and update video buffer */
UiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem);
}
}
/* Return the pressed key */
return KeyEvent;
}
ULONG
NTAPI
TuiProcessMenuKeyboardEvent(PUI_MENU_INFO MenuInfo,
UiMenuKeyPressFilterCallback KeyPressFilter)
{
ULONG KeyEvent = 0;
ULONG Selected, Count;
//
// Check for a keypress
//
if (MachConsKbHit())
{
//
// Check if the timeout is not already complete
//
if (MenuInfo->MenuTimeRemaining != -1)
{
//
// Cancel it and remove it
//
MenuInfo->MenuTimeRemaining = -1;
TuiDrawMenuBox(MenuInfo); // FIXME: Remove for minimal UI too
}
//
// Get the key
//
KeyEvent = MachConsGetCh();
//
// Is it extended? Then get the extended key
//
if (!KeyEvent) KeyEvent = MachConsGetCh();
//
// Call the supplied key filter callback function to see
// if it is going to handle this keypress.
//
if ((KeyPressFilter) && (KeyPressFilter(KeyEvent)))
{
//
// It processed the key character, so redraw and exit
//
UiVtbl.DrawMenu(MenuInfo);
return 0;
}
//
// Process the key
//
if ((KeyEvent == KEY_UP ) || (KeyEvent == KEY_DOWN) ||
(KeyEvent == KEY_HOME) || (KeyEvent == KEY_END ))
{
//
// Get the current selected item and count
//
Selected = MenuInfo->SelectedMenuItem;
Count = MenuInfo->MenuItemCount - 1;
//
// Check the key and change the selected menu item
//
if ((KeyEvent == KEY_UP) && (Selected > 0))
{
//
// Deselect previous item and go up
//
MenuInfo->SelectedMenuItem--;
TuiDrawMenuItem(MenuInfo, Selected);
Selected--;
// Skip past any separators
if ((Selected > 0) &&
(MenuInfo->MenuItemList[Selected] == NULL))
{
MenuInfo->SelectedMenuItem--;
}
}
else if ( ((KeyEvent == KEY_UP) && (Selected == 0)) ||
(KeyEvent == KEY_END) )
{
//
// Go to the end
//
MenuInfo->SelectedMenuItem = Count;
TuiDrawMenuItem(MenuInfo, Selected);
}
else if ((KeyEvent == KEY_DOWN) && (Selected < Count))
{
//
// Deselect previous item and go down
//
MenuInfo->SelectedMenuItem++;
TuiDrawMenuItem(MenuInfo, Selected);
Selected++;
// Skip past any separators
if ((Selected < Count) &&
(MenuInfo->MenuItemList[Selected] == NULL))
{
MenuInfo->SelectedMenuItem++;
}
}
else if ( ((KeyEvent == KEY_DOWN) && (Selected == Count)) ||
(KeyEvent == KEY_HOME) )
{
//
// Go to the beginning
//
MenuInfo->SelectedMenuItem = 0;
TuiDrawMenuItem(MenuInfo, Selected);
}
//
// Select new item and update video buffer
//
TuiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem);
VideoCopyOffScreenBufferToVRAM();
}
}
//
// Return the pressed key
//
return KeyEvent;
}
BOOLEAN TuiEditBox(PCSTR MessageText, PCHAR EditTextBuffer, ULONG Length)
{
int width = 8;
unsigned int height = 1;
int curline = 0;
int k;
size_t i , j;
int x1, x2, y1, y2;
char temp[260];
char key;
int EditBoxLine;
ULONG EditBoxStartX, EditBoxEndX;
int EditBoxCursorX;
unsigned int EditBoxTextCount;
int EditBoxTextDisplayIndex;
BOOLEAN ReturnCode;
PVOID ScreenBuffer;
// Save the screen contents
ScreenBuffer = MmHeapAlloc(UiScreenWidth * UiScreenHeight * 2);
TuiSaveScreen(ScreenBuffer);
// Find the height
for (i=0; i<strlen(MessageText); i++)
{
if (MessageText[i] == '\n')
height++;
}
// Find the width
for (i=0,j=0,k=0; i<height; i++)
{
while ((MessageText[j] != '\n') && (MessageText[j] != 0))
{
j++;
k++;
}
if (k > width)
width = k;
k = 0;
j++;
}
// Calculate box area
x1 = (UiScreenWidth - (width+2))/2;
x2 = x1 + width + 3;
y1 = ((UiScreenHeight - height - 2)/2) + 1;
y2 = y1 + height + 4;
// Draw the box
TuiDrawBox(x1, y1, x2, y2, D_VERT, D_HORZ, TRUE, TRUE, ATTR(UiMessageBoxFgColor, UiMessageBoxBgColor));
// Draw the text
for (i=0,j=0; i<strlen(MessageText)+1; i++)
{
if ((MessageText[i] == '\n') || (MessageText[i] == 0))
{
temp[j] = 0;
j = 0;
UiDrawText(x1+2, y1+1+curline, temp, ATTR(UiMessageBoxFgColor, UiMessageBoxBgColor));
curline++;
}
else
temp[j++] = MessageText[i];
}
EditBoxTextCount = 0;
EditBoxLine = y2 - 2;
EditBoxStartX = x1 + 3;
EditBoxEndX = x2 - 3;
UiFillArea(EditBoxStartX, EditBoxLine, EditBoxEndX, EditBoxLine, ' ', ATTR(UiEditBoxTextColor, UiEditBoxBgColor));
// Show the cursor
EditBoxCursorX = EditBoxStartX;
MachVideoSetTextCursorPosition(EditBoxCursorX, EditBoxLine);
MachVideoHideShowTextCursor(TRUE);
// Draw status text
UiDrawStatusText("Press ENTER to continue, or ESC to cancel");
VideoCopyOffScreenBufferToVRAM();
for (;;)
{
if (MachConsKbHit())
{
key = MachConsGetCh();
if(key == KEY_EXTENDED)
{
key = MachConsGetCh();
}
if(key == KEY_ENTER)
{
ReturnCode = TRUE;
break;
}
else if(key == KEY_ESC)
{
ReturnCode = FALSE;
break;
}
else if (key == KEY_BACKSPACE) // Remove a character
{
if (EditBoxTextCount)
{
EditBoxTextCount--;
EditTextBuffer[EditBoxTextCount] = 0;
}
else
{
MachBeep();
}
}
else // Add this key to the buffer
{
if (EditBoxTextCount < Length - 1)
{
EditTextBuffer[EditBoxTextCount] = key;
EditBoxTextCount++;
EditTextBuffer[EditBoxTextCount] = 0;
}
else
{
MachBeep();
}
}
}
// Draw the edit box background
UiFillArea(EditBoxStartX, EditBoxLine, EditBoxEndX, EditBoxLine, ' ', ATTR(UiEditBoxTextColor, UiEditBoxBgColor));
// Fill the text in
if (EditBoxTextCount > (EditBoxEndX - EditBoxStartX))
{
EditBoxTextDisplayIndex = EditBoxTextCount - (EditBoxEndX - EditBoxStartX);
EditBoxCursorX = EditBoxEndX;
}
else
{
EditBoxTextDisplayIndex = 0;
EditBoxCursorX = EditBoxStartX + EditBoxTextCount;
}
UiDrawText(EditBoxStartX, EditBoxLine, &EditTextBuffer[EditBoxTextDisplayIndex], ATTR(UiEditBoxTextColor, UiEditBoxBgColor));
// Move the cursor
MachVideoSetTextCursorPosition(EditBoxCursorX, EditBoxLine);
TuiUpdateDateTime();
VideoCopyOffScreenBufferToVRAM();
}
// Hide the cursor again
MachVideoHideShowTextCursor(FALSE);
// Restore the screen contents
TuiRestoreScreen(ScreenBuffer);
MmHeapFree(ScreenBuffer);
return ReturnCode;
}
ULONG
NTAPI
UiProcessMenuKeyboardEvent(IN PUI_MENU_INFO MenuInfo,
IN UiMenuKeyPressFilterCallback KeyPressFilter)
{
ULONG KeyEvent = 0, Selected, Count;
/* Check for a keypress */
if (MachConsKbHit())
{
/* Check if the timeout is not already complete */
if (MenuInfo->MenuTimeRemaining != -1)
{
//
// Cancel it and remove it
//
MenuInfo->MenuTimeRemaining = -1;
UiDrawMenuBox(MenuInfo);
}
/* Get the key */
KeyEvent = MachConsGetCh();
/* Is it extended? Then get the extended key */
if (!KeyEvent) KeyEvent = MachConsGetCh();
/* Call the supplied key filter callback function to see if it is going to handle this keypress. */
if ((KeyPressFilter) && (KeyPressFilter(KeyEvent)))
{
/* It processed the key character, so redraw and exit */
UiDrawMenu(MenuInfo);
return 0;
}
/* Process the key */
if ((KeyEvent == KEY_UP) || (KeyEvent == KEY_DOWN))
{
/* Get the current selected item and count */
Selected = MenuInfo->SelectedMenuItem;
Count = MenuInfo->MenuItemCount - 1;
/* Check if this was a key up and there's a selected menu item */
if ((KeyEvent == KEY_UP) && (Selected))
{
/* Update the menu (Deselect previous item) */
MenuInfo->SelectedMenuItem--;
UiDrawMenuItem(MenuInfo, Selected);
Selected--;
/* Skip past any separators */
if ((Selected) &&
!(_stricmp(MenuInfo->MenuItemList[Selected], "SEPARATOR")))
{
MenuInfo->SelectedMenuItem--;
}
}
else if ((KeyEvent == KEY_DOWN) && (Selected < Count))
{
/* Update the menu (deselect previous item) */
MenuInfo->SelectedMenuItem++;
UiDrawMenuItem(MenuInfo, Selected);
Selected++;
/* Skip past any separators */
if ((Selected < Count) &&
!(_stricmp(MenuInfo->MenuItemList[Selected], "SEPARATOR")))
{
MenuInfo->SelectedMenuItem++;
}
}
/* Select new item and update video buffer */
UiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem);
}
}
/* Return the pressed key */
return KeyEvent;
}
VOID TuiMessageBoxCritical(PCSTR MessageText)
{
int width = 8;
unsigned int height = 1;
int curline = 0;
int k;
size_t i , j;
int x1, x2, y1, y2;
char temp[260];
char key;
// Find the height
for (i=0; i<strlen(MessageText); i++)
{
if (MessageText[i] == '\n')
height++;
}
// Find the width
for (i=0,j=0,k=0; i<height; i++)
{
while ((MessageText[j] != '\n') && (MessageText[j] != 0))
{
j++;
k++;
}
if (k > width)
width = k;
k = 0;
j++;
}
// Calculate box area
x1 = (UiScreenWidth - (width+2))/2;
x2 = x1 + width + 3;
y1 = ((UiScreenHeight - height - 2)/2) + 1;
y2 = y1 + height + 4;
// Draw the box
TuiDrawBox(x1, y1, x2, y2, D_VERT, D_HORZ, TRUE, TRUE, ATTR(UiMessageBoxFgColor, UiMessageBoxBgColor));
// Draw the text
for (i=0,j=0; i<strlen(MessageText)+1; i++)
{
if ((MessageText[i] == '\n') || (MessageText[i] == 0))
{
temp[j] = 0;
j = 0;
UiDrawText(x1+2, y1+1+curline, temp, ATTR(UiMessageBoxFgColor, UiMessageBoxBgColor));
curline++;
}
else
temp[j++] = MessageText[i];
}
// Draw OK button
strcpy(temp, " OK ");
UiDrawText(x1+((x2-x1)/2)-3, y2-2, temp, ATTR(COLOR_BLACK, COLOR_GRAY));
// Draw status text
UiDrawStatusText("Press ENTER to continue");
VideoCopyOffScreenBufferToVRAM();
for (;;)
{
if (MachConsKbHit())
{
key = MachConsGetCh();
if(key == KEY_EXTENDED)
key = MachConsGetCh();
if(key == KEY_ENTER)
break;
else if(key == KEY_SPACE)
break;
else if(key == KEY_ESC)
break;
}
TuiUpdateDateTime();
VideoCopyOffScreenBufferToVRAM();
}
}
