1 line
3.0 KiB
C
1 line
3.0 KiB
C
#include "hidemenubar.h"
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static Boolean MenuBarHidden = FALSE; /* Current state of the menu bar. */
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static Rect OldeMBarRect; /* Saves rectangle enclosing real menu bar. */
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static RgnHandle OldeGrayRgn; /* Saves the region defining the desktop */
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static short OldMBarHeight; /* Previous menu bar height */
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extern GDHandle gMainGDH;
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/********************************
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Hide the menu bar (If visible)
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********************************/
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void HideMenuBar(void)
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{
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RgnHandle menuRgn;
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WindowPeek theWindow;
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GDHandle TempHand;
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TempHand = GetMainDevice();
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if (TempHand!=gMainGDH) { /* Main graphics handle */
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return;
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}
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if (!MenuBarHidden) { /* Already hidden? */
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OldMBarHeight = LMGetMBarHeight(); /* Get the height in pixels */
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OldeGrayRgn = NewRgn(); /* Make a new region */
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CopyRgn(GetGrayRgn(), OldeGrayRgn); /* Copy the background region */
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OldeMBarRect = qd.screenBits.bounds; /* Make a region from the rect or the monitor width */
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OldeMBarRect.bottom = OldeMBarRect.top + OldMBarHeight; /* Top to bottom of menu */
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menuRgn = NewRgn(); /* Convert to region */
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RectRgn(menuRgn, &OldeMBarRect);
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UnionRgn(GetGrayRgn(), menuRgn, GetGrayRgn()); /* Add the menu area to background */
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theWindow = (WindowPeek)FrontWindow();
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PaintOne((WindowPtr)theWindow, menuRgn); /* Redraw the front window */
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PaintBehind((WindowPtr)theWindow, menuRgn); /* Redraw all other windows */
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CalcVis((WindowPtr)theWindow); /* Resize the visible region */
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CalcVisBehind((WindowPtr)theWindow, menuRgn); /* Resize the visible regions for all others */
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DisposeRgn(menuRgn); /* Release the menu region */
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MenuBarHidden = TRUE; /* It is now hidden */
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ZapMHeight(); /* Zap the height */
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}
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}
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/********************************
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Show the menu bar (If hidden)
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********************************/
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void ShowMenuBar(void)
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{
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WindowPeek theWindow;
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if (MenuBarHidden) { /* Hidden? */
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FixMHeight();
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MenuBarHidden = FALSE; /* The bar is here */
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CopyRgn(OldeGrayRgn, GetGrayRgn()); /* Get the region */
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RectRgn(OldeGrayRgn, &OldeMBarRect); /* Convert menu rect to region */
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theWindow = (WindowPeek)FrontWindow(); /* Get the front window */
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CalcVis((WindowPtr)theWindow); /* Reset the visible region */
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CalcVisBehind((WindowPtr)theWindow,OldeGrayRgn); /* Remove the menu bar from windows */
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DisposeRgn(OldeGrayRgn); /* Bye bye region */
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OldeGrayRgn = 0; /* Zap the handle */
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HiliteMenu(0); /* Don't hilite any menu options */
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DrawMenuBar(); /* Redraw the menu bar */
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}
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}
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/********************************
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Restore the menu bar height so that
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the OS can handle menu bar events
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********************************/
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void FixMHeight(void)
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{
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if (MenuBarHidden) { /* Hidden? */
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LMSetMBarHeight(OldMBarHeight); /* Reset the height */
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}
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}
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/********************************
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Zap the menu bar height so that things
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like MenuClock won't draw
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********************************/
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void ZapMHeight(void)
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{
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if (MenuBarHidden) { /* Hidden? */
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LMSetMBarHeight(0); /* Zap the height */
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}
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}
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