Add text-mode I/O functions.

Use text-mode screen for the waiting screen.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 291

1 files changed, 188 insertions, 0 deletions

diff --git a/textscreen/txt_gui.c b/textscreen/txt_gui.c
new file mode 100644
index 00000000..ee581fee
--- /dev/null
+++ b/textscreen/txt_gui.c
@@ -0,0 +1,188 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id: txt_gui.c 291 2006-01-13 23:56:00Z fraggle $
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// $Log$
+// Revision 1.1  2006/01/13 23:56:00  fraggle
+// Add text-mode I/O functions.
+// Use text-mode screen for the waiting screen.
+//
+//
+
+#include <string.h>
+
+#include "txt_io.h"
+#include "txt_main.h"
+
+// Array of border characters for drawing windows. The array looks like this:
+//
+// +-++
+// | ||
+// +-++
+// +-++
+
+static int borders[4][4] = 
+{
+    {0xda, 0xc4, 0xc2, 0xbf},
+    {0xb3, ' ',  0xb3, 0xb3},
+    {0xc3, 0xc4, 0xc5, 0xb4},
+    {0xc0, 0xc4, 0xc1, 0xd9},
+};
+
+void TXT_DrawDesktop(char *title)
+{
+    int i;
+    unsigned char *screendata;
+    unsigned char *p;
+
+    screendata = TXT_GetScreenData();
+    
+    // Fill the screen with gradient characters
+
+    p = screendata;
+    
+    for (i=0; i<TXT_SCREEN_W * TXT_SCREEN_H; ++i)
+    {
+        *p++ = 0xb1;
+        *p++ = TXT_COLOR_GREY | (TXT_COLOR_BLUE << 4);
+    }
+
+    // Draw the top and bottom banners
+
+    p = screendata;
+
+    for (i=0; i<TXT_SCREEN_W; ++i)
+    {
+        *p++ = ' ';
+        *p++ = TXT_COLOR_BLACK | (TXT_COLOR_GREY << 4);
+    }
+
+    p = screendata + (TXT_SCREEN_H - 1) * TXT_SCREEN_W * 2;
+
+    for (i=0; i<TXT_SCREEN_W; ++i)
+    {
+        *p++ = ' ';
+        *p++ = TXT_COLOR_BLACK | (TXT_COLOR_GREY << 4);
+    }
+
+    // Print the title
+
+    TXT_GotoXY(0, 0);
+    TXT_FGColor(TXT_COLOR_BLACK);
+    TXT_BGColor(TXT_COLOR_GREY, 0);
+
+    TXT_PutChar(' ');
+    TXT_Puts(title);
+}
+
+void TXT_DrawShadow(int x, int y, int w, int h)
+{
+    unsigned char *screendata;
+    unsigned char *p;
+    int x1, y1;
+
+    screendata = TXT_GetScreenData();
+
+    for (y1=y; y1<y+h; ++y1)
+    {
+        p = screendata + y1 * TXT_SCREEN_W * 2 + x * 2;
+
+        for (x1=0; x1<w; ++x1)
+        {
+            p[1] = TXT_COLOR_DARK_GREY;
+            p += 2;
+        }
+    }
+}
+
+void TXT_DrawWindow(char *title, int x, int y, int w, int h)
+{
+    int x1, y1;
+    int bx, by;
+
+    TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
+    TXT_BGColor(TXT_COLOR_BLUE, 0);
+
+    for (y1=y; y1<y+h; ++y1)
+    {
+        TXT_GotoXY(x, y1);
+
+        // Select the appropriate row and column in the borders
+        // array to pick the appropriate character to draw at
+        // this location.
+        //
+        // Draw a horizontal line on the third line down, so we
+        // draw a box around the title.
+
+        by = y1 == y ? 0 :
+             y1 == y + 2 ? 2 :
+             y1 == y + h - 1 ? 3 : 1;
+
+        for (x1=x; x1<x+w; ++x1)
+        {
+            bx = x1 == x ? 0 :
+                 x1 == x + w - 1 ? 3 : 1;
+                 
+            TXT_PutChar(borders[by][bx]);
+        }
+    }
+
+    // Draw the title
+
+    TXT_GotoXY(x + 1, y + 1);
+    TXT_BGColor(TXT_COLOR_GREY, 0);
+    TXT_FGColor(TXT_COLOR_BLUE);
+
+    for (x1=0; x1<w-2; ++x1)
+    {
+        TXT_PutChar(' ');
+    }
+
+    TXT_GotoXY(x + (w - strlen(title)) / 2, y + 1);
+    TXT_Puts(title);
+
+    // Draw the window's shadow.
+
+    TXT_DrawShadow(x + 2, y + h, w, 1);
+    TXT_DrawShadow(x + w, y + 1, 2, h);
+}
+
+void TXT_DrawSeparator(int x, int y, int w)
+{
+    int x1;
+    int c;
+
+    TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
+    TXT_BGColor(TXT_COLOR_BLUE, 0);
+
+    for (x1=x; x1<x+w; ++x1)
+    {
+        TXT_GotoXY(x1, y);
+
+        c = x1 == x ? borders[2][0] :
+            x1 == x + w - 1 ? borders[2][3] :
+            borders[2][1];
+
+        TXT_PutChar(c);
+    }
+}
+