mirror of
https://github.com/sheumann/VNCviewGS.git
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d281a30f98
Specifically, use a union rather than pointer-based type punning to convert the Long value returned by GetContentOrigin() to a Point. This makes for more readable code and should also generate somewhat better assembly code.
86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
#if __ORCAC__
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#pragma lint -1
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#pragma noroot
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segment "VNCview GS";
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#endif
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#include <window.h>
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#include <quickdraw.h>
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#include <qdaux.h>
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#include <desk.h>
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#include <memory.h>
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#include <resources.h>
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#include <tcpip.h>
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#include <menu.h>
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#include <control.h>
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#include <misctool.h>
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#include <scrap.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <event.h>
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#include <limits.h>
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#include "vncsession.h"
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#include "vncview.h"
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#include "vncdisplay.h"
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#include "colortables.h"
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#include "menus.h"
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#include "clipboard.h"
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#include "desktopsize.h"
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#include "mouse.h"
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#include "keyboard.h"
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#include "copyrect.h"
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#include "raw.h"
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#include "hextile.h"
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/* This prototype should be in <window.h> but is bogusly commented out there */
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extern pascal void SetContentOrigin2(Word, Word, Word, GrafPortPtr) inline(0x570E,dispatcher);
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void DoDesktopSize (void) {
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#define screenTooBigError 2010
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Origin contentOrigin;
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unsigned int newX, newY;
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Boolean changeOrigin = FALSE;
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unsigned int oldWinHeight, oldWinWidth;
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fbWidth = rectWidth;
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fbHeight = rectHeight;
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if ((fbWidth > 16384) || (fbHeight > 16384)) {
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AlertWindow(awResource, NULL, screenTooBigError);
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DoClose(vncWindow);
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}
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oldWinHeight = winHeight;
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oldWinWidth = winWidth;
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winHeight = WIN_HEIGHT;
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winWidth = (hRez == 640) ? WIN_WIDTH_640 : WIN_WIDTH_320;
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if (fbWidth < winWidth)
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winWidth = fbWidth;
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if (fbHeight < winHeight)
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winHeight = fbHeight;
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if (oldWinHeight != winHeight || oldWinWidth != winWidth)
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SizeWindow(winWidth, winHeight, vncWindow);
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/* Scroll if area displayed is going away */
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contentOrigin.l = GetContentOrigin(vncWindow);
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newX = contentOrigin.pt.h;
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newY = contentOrigin.pt.v;
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if (contentOrigin.pt.h + winWidth > fbWidth) {
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newX = fbWidth - winWidth;
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changeOrigin = TRUE;
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}
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if (contentOrigin.pt.v + winHeight > fbHeight) {
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newY = fbHeight - winHeight;
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changeOrigin = TRUE;
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}
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SetContentOrigin2(1, newX, newY, vncWindow);
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SetDataSize(fbWidth, fbHeight, vncWindow);
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DrawControls(vncWindow);
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NextRect(); /* Prepare for next rect */
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}
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