261 lines
6.9 KiB
C
261 lines
6.9 KiB
C
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#include "enduser.h"
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UINT
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PresentOsMenu(
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IN FPCHAR ImageNames[MAX_PARTITION_IMAGES],
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IN FPCHAR ImageDesc[MAX_PARTITION_IMAGES],
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IN UINT ImageCount
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);
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BOOL
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ValidateOsSelection(
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IN FPCHAR Name
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);
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VOID
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GetUserOsChoice(
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IN HDISK DiskHandle
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)
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{
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UINT Selection;
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FPCHAR ImageNames[MAX_PARTITION_IMAGES];
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FPCHAR ImageDesc[MAX_PARTITION_IMAGES];
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UINT Count;
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UINT u;
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int BaseMsg,DescBase;
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FPPARTITION_IMAGE Image;
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//
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// See if we already got the user's selection. If so, don't get it again.
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// If not, get it.
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//
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if(MasterDiskInfo.State >= MDS_GOT_OS_CHOICE) {
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_Log("Already have OS choice (%u), returning\n",MasterDiskInfo.SelectionOrdinal);
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return;
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}
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//
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// Validate image count.
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//
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if(!MasterDiskInfo.ImageCount) {
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FatalError(textNoOsImages);
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}
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//
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// Locate the first message for the OS name overrides in the
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// message file. We assume the messages are contiguous in the table.
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//
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Count = GetTextCount();
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BaseMsg = -1;
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for(u=0; u<Count; u++) {
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if(TextMessages[u].Id == TEXT_OS_NAME_BASE) {
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BaseMsg = u;
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}
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if(TextMessages[u].Id == TEXT_OS_DESC_BASE) {
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DescBase = u;
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}
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}
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//
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// Build the array of names.
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//
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_Log("Reading partition image headers to build os choice menu...\n\n");
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Image = IoBuffer;
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for(u=0; u<MasterDiskInfo.ImageCount; u++) {
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//
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// Read the image's header from the disk.
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//
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if(!ReadDisk(DiskHandle,MasterDiskInfo.ImageStartSector[u],1,IoBuffer)) {
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FatalError(textReadFailedAtSector,1,MasterDiskInfo.ImageStartSector[u]);
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}
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_Log("Image %u --\n",u);
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_Log(" Signature: 0x%lx\n",Image->Signature);
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_Log(" Size: %u\n",Image->Size);
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_Log(" NonClusterSectors: 0x%lx\n",Image->NonClusterSectors);
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_Log(" ClusterCount: 0x%lx\n",Image->ClusterCount);
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_Log(" TotalSectorCount: 0x%lx\n",Image->TotalSectorCount);
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_Log(" LastUsedCluster: 0x%lx\n",Image->LastUsedCluster);
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_Log(" UsedClusterCount: 0x%lx\n",Image->UsedClusterCount);
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_Log(" BitmapRelocStart: 0x%lx\n",Image->BitmapRelocationStart);
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_Log(" BootRelocStart: 0x%lx\n",Image->BootRelocationStart);
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_Log(" SectorsPerCluster: %u\n",Image->SectorsPerCluster);
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_Log(" SystemId: %u\n",Image->SystemId);
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_Log(" Flags: 0x%x\n",Image->Flags);
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_Log("\n");
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ImageNames[u] = strdup(*TextMessages[BaseMsg+u].String);
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if(!ImageNames[u]) {
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FatalError(textOOM);
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}
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ImageDesc[u] = strdup(*TextMessages[DescBase+u].String);
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if(!ImageDesc[u]) {
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FatalError(textOOM);
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}
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}
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do {
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Selection = PresentOsMenu(ImageNames,ImageDesc,MasterDiskInfo.ImageCount);
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} while(!ValidateOsSelection(ImageNames[Selection]));
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for(u=0; u<MasterDiskInfo.ImageCount; u++) {
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free(ImageNames[u]);
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free(ImageDesc[u]);
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}
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MasterDiskInfo.SelectionOrdinal = Selection;
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if(!CmdLineArgs.Test) {
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_Log("Updating master disk state for os selection (%u)...\n",Selection);
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UpdateMasterDiskState(DiskHandle,MDS_GOT_OS_CHOICE);
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_Log("Master disk state for os selection has been updated\n");
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}
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}
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UINT
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PresentOsMenu(
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IN FPCHAR ImageNames[MAX_PARTITION_IMAGES],
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IN FPCHAR ImageDesc[MAX_PARTITION_IMAGES],
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IN UINT ImageCount
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)
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{
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UINT u;
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BYTE x,top;
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UINT LongestName,Length;
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char str[80];
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USHORT key;
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UINT Selection;
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int Previous;
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FPVOID SaveArea;
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unsigned SaveBytesPerRow,SaveTop,SaveHeight,DescriptionTop;
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DispClearClientArea(NULL);
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DispPositionCursor(TEXT_LEFT_MARGIN,TEXT_TOP_LINE);
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DispWriteString(textSelectOsPrompt);
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DispWriteString("\n\n");
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DispGetCursorPosition(&x,&top);
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top++; // top is now first line of menu
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#define OS_LEFT 10
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DispSetLeftMargin(OS_LEFT);
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SaveArea = DispSaveDescriptionArea(&SaveTop,&SaveHeight,&SaveBytesPerRow,&DescriptionTop);
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DrainKeyboard();
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LongestName = 0;
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for(u=0; u<ImageCount; u++) {
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Length = strlen(ImageNames[u]);
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if(Length > LongestName) {
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LongestName = Length;
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}
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DispWriteString("\n ");
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DispWriteString(ImageNames[u]);
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}
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Selection = 0;
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goto highlight;
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while((key = GetKey()) != ASCI_CR) {
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Previous = -1;
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if(key == DN_KEY_UP) {
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if(Selection) {
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Previous = Selection;
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Selection--;
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}
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} else {
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if(key == DN_KEY_DOWN) {
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if(Selection < (ImageCount-1)) {
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Previous = Selection;
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Selection++;
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}
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}
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}
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if(Previous != -1) {
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//
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// Unhighlight the previous one and erase its description
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//
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memset(str,' ',LongestName+2);
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str[LongestName+2] = 0;
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memcpy(str+1,ImageNames[Previous],strlen(ImageNames[Previous]));
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DispPositionCursor(OS_LEFT,(BYTE)(top+Previous));
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DispWriteString(str);
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//
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// Restore description area
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//
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if(SaveArea) {
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VgaBitBlt(0,SaveTop,640,SaveHeight,SaveBytesPerRow,TRUE,NULL,SaveArea);
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} else {
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VgaClearRegion(0,SaveTop,640,SaveHeight,VGAPIX_BLUE);
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}
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//
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// Highlight the newly selected one
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//
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highlight:
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memset(str,' ',LongestName+2);
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str[LongestName+2] = 0;
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memcpy(str+1,ImageNames[Selection],strlen(ImageNames[Selection]));
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DispPositionCursor(OS_LEFT,(BYTE)(top+Selection));
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DispSetCurrentPixelValue(HIGHLIGHT_TEXT_PIXEL_VALUE);
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DispWriteString(str);
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//
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// Write description
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//
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DispPositionCursor(1,(BYTE)DescriptionTop);
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DispSetLeftMargin(1);
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DispSetCurrentPixelValue(VGAPIX_LIGHT_CYAN);
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DispWriteString(ImageDesc[Selection]);
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//
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// Restore defaults for future text display
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//
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DispSetLeftMargin(OS_LEFT);
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DispSetCurrentPixelValue(DEFAULT_TEXT_PIXEL_VALUE);
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}
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}
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if(SaveArea) {
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free(SaveArea);
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}
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DispSetLeftMargin(TEXT_LEFT_MARGIN);
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return(Selection);
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}
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BOOL
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ValidateOsSelection(
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IN FPCHAR Name
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)
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{
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DispClearClientArea(NULL);
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DispPositionCursor(TEXT_LEFT_MARGIN,TEXT_TOP_LINE);
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DispWriteString(textConfirmOs1);
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DispWriteString("\n\n\n");
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DispWriteString(Name);
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DispWriteString("\n\n\n");
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DispWriteString(textConfirmOs2);
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DrainKeyboard();
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return(GetKey() == DN_KEY_F8);
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}
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