Renamed tpl_drv_* to api_drv_* (a more fitting name)

[tpg/acess2.git] / Kernel / drv / vterm.c

diff --git a/Kernel/drv/vterm.c b/Kernel/drv/vterm.c
index 8a3bd26..85ab0e1 100644 (file)
--- a/Kernel/drv/vterm.c
+++ b/Kernel/drv/vterm.c
@@ -5,9 +5,9 @@
 #include <acess.h>
 #include <fs_devfs.h>
 #include <modules.h>
-#include <tpl_drv_video.h>
-#include <tpl_drv_keyboard.h>
-#include <tpl_drv_terminal.h>
+#include <api_drv_video.h>
+#include <api_drv_keyboard.h>
+#include <api_drv_terminal.h>
 #include <errno.h>
 #include <semaphore.h>
 
@@ -109,7 +109,7 @@ const Uint16        caVT100Colours[] = {
        };
 
 // === GLOBALS ===
-MODULE_DEFINE(0, VERSION, VTerm, VT_Install, NULL, FALLBACK_OUTPUT, DEFAULT_INPUT, NULL);
+MODULE_DEFINE(0, VERSION, VTerm, VT_Install, NULL, DEFAULT_INPUT, FALLBACK_OUTPUT, NULL);
 tDevFS_Driver  gVT_DrvInfo = {
        NULL, "VTerm",
        {
@@ -1355,47 +1355,52 @@ void VT_int_ScrollText(tVTerm *Term, int Count)
        tVT_Char        *buf;
         int    height, init_write_pos;
         int    len, i;
+        int    scroll_top, scroll_height;
        
        if( Term->Flags & VT_FLAG_ALTBUF )
        {
                buf = Term->AltBuf;
                height = Term->TextHeight;
                init_write_pos = Term->AltWritePos;
+               scroll_top = Term->ScrollTop;
+               scroll_height = Term->ScrollHeight;
        }
        else
        {
                buf = Term->Text;
                height = Term->TextHeight*giVT_Scrollback;
                init_write_pos = Term->WritePos;
+               scroll_top = 0;
+               scroll_height = height;
        }
        
        if( Count > 0 )
        {
                 int    base;
-               if(Count > Term->ScrollHeight)  Count = Term->ScrollHeight;
-               base = Term->TextWidth*(Term->ScrollTop + Term->ScrollHeight - Count);
-               len = Term->TextWidth*(Term->ScrollHeight - Count);
+               if(Count > scroll_height)       Count = scroll_height;
+//             Debug("Scroll: Count = %i", Count);
+               base = Term->TextWidth*(scroll_top + scroll_height - Count);
+               len = Term->TextWidth*(scroll_height - Count);
                
                // Scroll terminal cache
                memcpy(
-                       &buf[Term->TextWidth*Term->ScrollTop],
-                       &buf[Term->TextWidth*(Term->ScrollTop+Count)],
+                       &buf[Term->TextWidth*scroll_top],
+                       &buf[Term->TextWidth*(scroll_top+Count)],
                        len*sizeof(tVT_Char)
                        );
                // Clear last rows
                for( i = 0; i < Term->TextWidth*Count; i ++ )
                {
-                       Term->AltBuf[ base + i ].Ch = 0;
-                       Term->AltBuf[ base + i ].Colour = Term->CurColour;
+                       buf[ base + i ].Ch = 0;
+                       buf[ base + i ].Colour = Term->CurColour;
                }
                
                // Update Screen
                VT_int_ScrollFramebuffer( Term, Count );
                if( Term->Flags & VT_FLAG_ALTBUF )
-                       Term->AltWritePos = Term->TextWidth*(Term->ScrollTop + Term->ScrollHeight - Count);
+                       Term->AltWritePos = base;
                else
-                       Term->WritePos = Term->ViewPos + Term->TextWidth*(Term->ScrollTop + Term->ScrollHeight - Count);
-//             Log_Debug("VTerm", "Term->WritePos = %i/%i = %i", Term->WritePos, Term->TextWidth, Term->WritePos/Term->TextWidth);
+                       Term->WritePos = Term->ViewPos + Term->TextWidth*(Term->TextHeight - Count);
                for( i = 0; i < Count; i ++ )
                {
                        VT_int_UpdateScreen( Term, 0 );
@@ -1408,28 +1413,28 @@ void VT_int_ScrollText(tVTerm *Term, int Count)
        else
        {
                Count = -Count;
-               if(Count > Term->ScrollHeight)  Count = Term->ScrollHeight;
+               if(Count > scroll_height)       Count = scroll_height;
                
-               len = Term->TextWidth*(Term->ScrollHeight - Count);
+               len = Term->TextWidth*(scroll_height - Count);
                
                // Scroll terminal cache
                memcpy(
-                       &buf[Term->TextWidth*(Term->ScrollTop+Count)],
-                       &buf[Term->TextWidth*Term->ScrollTop],
+                       &buf[Term->TextWidth*(scroll_top+Count)],
+                       &buf[Term->TextWidth*scroll_top],
                        len*sizeof(tVT_Char)
                        );
                // Clear preceding rows
                for( i = 0; i < Term->TextWidth*Count; i ++ )
                {
-                       Term->AltBuf[ i ].Ch = 0;
-                       Term->AltBuf[ i ].Colour = Term->CurColour;
+                       buf[ i ].Ch = 0;
+                       buf[ i ].Colour = Term->CurColour;
                }
                
                VT_int_ScrollFramebuffer( Term, -Count );
                if( Term->Flags & VT_FLAG_ALTBUF )
-                       Term->AltWritePos = Term->TextWidth*Term->ScrollTop;
+                       Term->AltWritePos = Term->TextWidth*scroll_top;
                else
-                       Term->WritePos = Term->ViewPos + Term->TextWidth*Term->ScrollTop;
+                       Term->WritePos = Term->ViewPos;
                for( i = 0; i < Count; i ++ )
                {
                        VT_int_UpdateScreen( Term, 0 );