TuiPrintf(const char *Format,
...)
{
- int i;
- int Length;
- va_list ap;
- CHAR Buffer[512];
+ int i;
+ int Length;
+ va_list ap;
+ CHAR Buffer[512];
- va_start(ap, Format);
- Length = _vsnprintf(Buffer, sizeof(Buffer), Format, ap);
- va_end(ap);
+ va_start(ap, Format);
+ Length = _vsnprintf(Buffer, sizeof(Buffer), Format, ap);
+ va_end(ap);
- if (Length == -1) Length = sizeof(Buffer);
+ if (Length == -1) Length = sizeof(Buffer);
- for (i = 0; i < Length; i++)
- {
- MachConsPutChar(Buffer[i]);
- }
+ for (i = 0; i < Length; i++)
+ {
+ MachConsPutChar(Buffer[i]);
+ }
- return Length;
+ return Length;
}
BOOLEAN
UiInitialize(IN BOOLEAN ShowGui)
{
- ULONG Depth;
+ ULONG Depth;
- /* Nothing to do */
- if (!ShowGui) return TRUE;
+ /* Nothing to do */
+ if (!ShowGui) return TRUE;
- /* Set mode and query size */
- MachVideoSetDisplayMode(NULL, TRUE);
- MachVideoGetDisplaySize(&UiScreenWidth, &UiScreenHeight, &Depth);
- return TRUE;
+ /* Set mode and query size */
+ MachVideoSetDisplayMode(NULL, TRUE);
+ MachVideoGetDisplaySize(&UiScreenWidth, &UiScreenHeight, &Depth);
+ return TRUE;
}
VOID
VOID
UiDrawBackdrop(VOID)
{
- /* Clear the screen */
- MachVideoClearScreen(ATTR(COLOR_WHITE, COLOR_BLACK));
+ /* Clear the screen */
+ MachVideoClearScreen(ATTR(COLOR_WHITE, COLOR_BLACK));
}
VOID
IN PCSTR Text,
IN UCHAR Attr)
{
- ULONG i, j;
-
- /* Draw the text character by character, but don't exceed the width */
- for (i = X, j = 0; Text[j] && i < UiScreenWidth; i++, j++)
- {
- /* Write the character */
- MachVideoPutChar(Text[j], Attr, i, Y);
- }
+ ULONG i, j;
+
+ /* Draw the text character by character, but don't exceed the width */
+ for (i = X, j = 0; Text[j] && i < UiScreenWidth; i++, j++)
+ {
+ /* Write the character */
+ MachVideoPutChar(Text[j], Attr, i, Y);
+ }
}
VOID
IN PCSTR Text,
IN UCHAR Attr)
{
- ULONG i, j;
-
- /* Draw the text character by character, but don't exceed the width */
- for (i = X, j = 0; Text[j] && i < UiScreenWidth && (MaxNumChars > 0 ? j < MaxNumChars : TRUE); i++, j++)
- {
- /* Write the character */
- MachVideoPutChar(Text[j], Attr, i, Y);
- }
+ ULONG i, j;
+
+ /* Draw the text character by character, but don't exceed the width */
+ for (i = X, j = 0; Text[j] && i < UiScreenWidth && (MaxNumChars > 0 ? j < MaxNumChars : TRUE); i++, j++)
+ {
+ /* Write the character */
+ MachVideoPutChar(Text[j], Attr, i, Y);
+ }
}
VOID
IN PCSTR TextString,
IN UCHAR Attr)
{
- ULONG TextLength, BoxWidth, BoxHeight, LineBreakCount, Index, LastIndex;
- ULONG RealLeft, RealTop, X, Y;
- CHAR Temp[2];
+ ULONG TextLength, BoxWidth, BoxHeight, LineBreakCount, Index, LastIndex;
+ ULONG RealLeft, RealTop, X, Y;
+ CHAR Temp[2];
/* Query text length */
- TextLength = strlen(TextString);
+ TextLength = strlen(TextString);
/* Count the new lines and the box width */
- LineBreakCount = 0;
- BoxWidth = 0;
- LastIndex = 0;
- for (Index=0; Index < TextLength; Index++)
- {
- /* Scan for new lines */
- if (TextString[Index] == '\n')
- {
- /* Remember the new line */
- LastIndex = Index;
- LineBreakCount++;
- }
- else
- {
- /* Check for new larger box width */
- if ((Index - LastIndex) > BoxWidth)
- {
- /* Update it */
- BoxWidth = (Index - LastIndex);
- }
- }
- }
+ LineBreakCount = 0;
+ BoxWidth = 0;
+ LastIndex = 0;
+ for (Index=0; Index < TextLength; Index++)
+ {
+ /* Scan for new lines */
+ if (TextString[Index] == '\n')
+ {
+ /* Remember the new line */
+ LastIndex = Index;
+ LineBreakCount++;
+ }
+ else
+ {
+ /* Check for new larger box width */
+ if ((Index - LastIndex) > BoxWidth)
+ {
+ /* Update it */
+ BoxWidth = (Index - LastIndex);
+ }
+ }
+ }
/* Base the box height on the number of lines */
- BoxHeight = LineBreakCount + 1;
+ BoxHeight = LineBreakCount + 1;
/* Create the centered coordinates */
- RealLeft = (((Right - Left) - BoxWidth) / 2) + Left;
- RealTop = (((Bottom - Top) - BoxHeight) / 2) + Top;
+ RealLeft = (((Right - Left) - BoxWidth) / 2) + Left;
+ RealTop = (((Bottom - Top) - BoxHeight) / 2) + Top;
/* Now go for a second scan */
- LastIndex = 0;
- for (Index=0; Index < TextLength; Index++)
- {
- /* Look for new lines again */
- if (TextString[Index] == '\n')
- {
- /* Update where the text should start */
- RealTop++;
- LastIndex = 0;
- }
- else
- {
- /* We've got a line of text to print, do it */
- X = RealLeft + LastIndex;
- Y = RealTop;
- LastIndex++;
- Temp[0] = TextString[Index];
- Temp[1] = 0;
- UiDrawText(X, Y, Temp, Attr);
- }
- }
+ LastIndex = 0;
+ for (Index=0; Index < TextLength; Index++)
+ {
+ /* Look for new lines again */
+ if (TextString[Index] == '\n')
+ {
+ /* Update where the text should start */
+ RealTop++;
+ LastIndex = 0;
+ }
+ else
+ {
+ /* We've got a line of text to print, do it */
+ X = RealLeft + LastIndex;
+ Y = RealTop;
+ LastIndex++;
+ Temp[0] = TextString[Index];
+ Temp[1] = 0;
+ UiDrawText(X, Y, Temp, Attr);
+ }
+ }
}
VOID
{
ULONG Left, Top, Right, Bottom, Width, Height;
- /* Build the coordinates and sizes */
- Height = 2;
- Width = UiScreenWidth;
- Left = 0;
- Right = (Left + Width) - 1;
- Top = UiScreenHeight - Height - 4;
- Bottom = Top + Height + 1;
+ /* Build the coordinates and sizes */
+ Height = 2;
+ Width = UiScreenWidth;
+ Left = 0;
+ Right = (Left + Width) - 1;
+ Top = UiScreenHeight - Height - 4;
+ Bottom = Top + Height + 1;
/* Draw the progress bar */
- UiDrawProgressBar(Left, Top, Right, Bottom, Position, Range, ProgressText);
+ UiDrawProgressBar(Left, Top, Right, Bottom, Position, Range, ProgressText);
}
VOID
UiDrawProgressBar(IN ULONG Left,
IN ULONG Top,
IN ULONG Right,
- IN ULONG Bottom,
+ IN ULONG Bottom,
IN ULONG Position,
IN ULONG Range,
IN PCHAR ProgressText)
{
ULONG i, ProgressBarWidth;
-
- /* Calculate the width of the bar proper */
- ProgressBarWidth = (Right - Left) - 3;
-
- /* First make sure the progress bar text fits */
- UiTruncateStringEllipsis(ProgressText, ProgressBarWidth - 4);
- if (Position > Range) Position = Range;
-
- /* Draw the "Loading..." text */
- UiDrawCenteredText(Left + 2, Top + 1, Right - 2, Top + 1, ProgressText, ATTR(7, 0));
-
- /* Draw the percent complete */
- for (i = 0; i < (Position * ProgressBarWidth) / Range; i++)
- {
- /* Use the fill character */
- UiDrawText(Left + 2 + i, Top + 2, "\xDB", ATTR(UiTextColor, UiMenuBgColor));
- }
+
+ /* Calculate the width of the bar proper */
+ ProgressBarWidth = (Right - Left) - 3;
+
+ /* First make sure the progress bar text fits */
+ UiTruncateStringEllipsis(ProgressText, ProgressBarWidth - 4);
+ if (Position > Range) Position = Range;
+
+ /* Draw the "Loading..." text */
+ UiDrawCenteredText(Left + 2, Top + 1, Right - 2, Top + 1, ProgressText, ATTR(7, 0));
+
+ /* Draw the percent complete */
+ for (i = 0; i < (Position * ProgressBarWidth) / Range; i++)
+ {
+ /* Use the fill character */
+ UiDrawText(Left + 2 + i, Top + 2, "\xDB", ATTR(UiTextColor, UiMenuBgColor));
+ }
}
VOID
ULONG CurrentClockSecond;
ULONG KeyPress;
+ /*
+ * Before taking any default action if there is no timeout,
+ * check whether the supplied key filter callback function
+ * may handle a specific user keypress. If it does, the
+ * timeout is cancelled.
+ */
+ if (!MenuTimeOut && KeyPressFilter && MachConsKbHit())
+ {
+ /* Get the key */
+ KeyPress = MachConsGetCh();
+
+ /* Is it extended? Then get the extended key */
+ if (!KeyPress) KeyPress = MachConsGetCh();
+
+ /*
+ * Call the supplied key filter callback function to see
+ * if it is going to handle this keypress.
+ */
+ if (KeyPressFilter(KeyPress))
+ {
+ /* It processed the key character, cancel the timeout */
+ MenuTimeOut = -1;
+ }
+ }
+
/* Check if there's no timeout */
if (!MenuTimeOut)
{
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