Abstracted the quit-confirm window

Beginning of the creation of somewhat general-purpose widgets for the
setup menu and related functionality.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1369 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/ChangeLog

@@ -1,4 +1,5 @@
 Changes towards version 0.4:
+- Abstracted window-drawing code from confirm.c -Michael
 - Fixed blue comms screen problem (bug #363), from Joel Holveck & Nic
 - Automatically adding an icon for Darwin builds, from Nic
 - Fixed Roster-F10-Quit bug (#591), - Michael

sc2/src/sc2code/confirm.c

@@ -20,6 +20,7 @@
 #include "starcon.h"
 #include "commglue.h"
 #include "comm.h"
+#include "libs/graphics/widgets.h"
 #include "libs/sound/trackplayer.h"
 
 #define CONFIRM_WIN_WIDTH 80
@@ -28,45 +29,23 @@
 static void
 DrawConfirmationWindow (BOOLEAN answer)
 {
-	COLOR oldfg = SetContextForeGroundColor (MENU_BACKGROUND_COLOR);
+	COLOR oldfg = SetContextForeGroundColor (MENU_TEXT_COLOR);
+	COLOR dark, medium;
 	FONT  oldfont = SetContextFont (StarConFont);
 	FONTEFFECT oldFontEffect = SetContextFontEffect (0, 0, 0);
 	RECT r;
 	TEXT t;
+
+	dark = BUILD_COLOR (MAKE_RGB15 (0x8, 0x8, 0x8), 0x1F);
+	medium = BUILD_COLOR (MAKE_RGB15 (0x10, 0x10, 0x10), 0x19);
+
 	BatchGraphics ();
-
-	r.corner.x = ((SCREEN_WIDTH - CONFIRM_WIN_WIDTH) >> 1) - 2;
-	r.corner.y = ((SCREEN_HEIGHT - CONFIRM_WIN_HEIGHT) >> 1) - 2;
-	r.extent.width = CONFIRM_WIN_WIDTH + 4;
-	r.extent.height = CONFIRM_WIN_HEIGHT + 4;
-	SetContextForeGroundColor (BUILD_COLOR (MAKE_RGB15 (0x8, 0x8, 0x8), 0x1F));
-	DrawFilledRectangle (&r);
-	
-	r.corner.x = ((SCREEN_WIDTH - CONFIRM_WIN_WIDTH) >> 1);
-	r.corner.y = ((SCREEN_HEIGHT - CONFIRM_WIN_HEIGHT) >> 1);
-	r.extent.width = CONFIRM_WIN_WIDTH + 2;
-	r.extent.height = CONFIRM_WIN_HEIGHT + 2;
-	SetContextForeGroundColor (BUILD_COLOR (MAKE_RGB15 (0x10, 0x10, 0x10), 0x19));
-	DrawFilledRectangle (&r);
-
-	r.corner.x = ((SCREEN_WIDTH - CONFIRM_WIN_WIDTH) >> 1) - 1;
-	r.corner.y = ((SCREEN_HEIGHT + CONFIRM_WIN_HEIGHT) >> 1) + 1;
-	r.extent.height = 1;
-	DrawFilledRectangle (&r);
-
-	r.corner.x = ((SCREEN_WIDTH + CONFIRM_WIN_WIDTH) >> 1) + 1;
-	r.corner.y = ((SCREEN_HEIGHT - CONFIRM_WIN_HEIGHT) >> 1) - 1;
-	r.extent.width = 1;	
-	DrawFilledRectangle (&r);
-
 	r.corner.x = (SCREEN_WIDTH - CONFIRM_WIN_WIDTH) >> 1;
 	r.corner.y = (SCREEN_HEIGHT - CONFIRM_WIN_HEIGHT) >> 1;
 	r.extent.width = CONFIRM_WIN_WIDTH;
 	r.extent.height = CONFIRM_WIN_HEIGHT;
-	SetContextForeGroundColor (MENU_BACKGROUND_COLOR);
-	DrawFilledRectangle (&r);
+	DrawShadowedBox (&r, MENU_BACKGROUND_COLOR, dark, medium);
 
-	SetContextForeGroundColor (MENU_TEXT_COLOR);
 	t.baseline.x = r.corner.x + (r.extent.width >> 1);
 	t.baseline.y = r.corner.y + 8;
 	t.pStr = "Really Quit?";

sc2/src/sc2code/libs/graphics/Makeinfo

@@ -1,4 +1,4 @@
 uqm_SUBDIRS="sdl"
 uqm_CFILES="boxint.c clipline.c cmap.c context.c drawable.c filegfx.c
 		font.c frame.c gfx_common.c intersec.c loaddisp.c
-		pixmap.c resgfx.c tfb_draw.c tfb_prim.c"
+		pixmap.c resgfx.c tfb_draw.c tfb_prim.c widgets.c"

sc2/src/sc2code/libs/graphics/widgets.c

@@ -0,0 +1,41 @@
+#include "starcon.h"
+#include "graphics/widgets.h"
+
+void
+DrawShadowedBox(PRECT r, COLOR bg, COLOR dark, COLOR medium)
+{
+	RECT t;
+	COLOR oldcolor;
+
+	BatchGraphics ();
+
+	t.corner.x = r->corner.x - 2;
+	t.corner.y = r->corner.y - 2;
+	t.extent.width  = r->extent.width + 4;
+	t.extent.height  = r->extent.height + 4;
+	oldcolor = SetContextForeGroundColor (dark);
+	DrawFilledRectangle (&t);
+
+	t.corner.x += 2;
+	t.corner.y += 2;
+	t.extent.width -= 2;
+	t.extent.height -= 2;
+	SetContextForeGroundColor (medium);
+	DrawFilledRectangle (&t);
+
+	t.corner.x -= 1;
+	t.corner.y += r->extent.height + 1;
+	t.extent.height = 1;
+	DrawFilledRectangle (&t);
+
+	t.corner.x += r->extent.width + 2;
+	t.corner.y -= r->extent.height + 2;
+	t.extent.width = 1;
+	DrawFilledRectangle (&t);
+
+	SetContextForeGroundColor (bg);
+	DrawFilledRectangle (r);
+
+	SetContextForeGroundColor (oldcolor);
+	UnbatchGraphics ();
+}

sc2/src/sc2code/libs/graphics/widgets.h

@@ -0,0 +1,24 @@
+// Copyright Michael Martin, 2004.
+
+/*
+ *  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.
+ */
+
+#ifndef _WIDGETS_H
+#define _WIDGETS_H
+
+void DrawShadowedBox(PRECT r, COLOR bg, COLOR dark, COLOR medium);
+
+#endif /* _WIDGETS_H */