From 7196cddb3a404292858101f9cd1a5061e422d2c1 Mon Sep 17 00:00:00 2001
From: Sean D'Epagnier <geckosenator@freedesktop.org>
Date: Thu, 10 Aug 2006 10:21:17 +0000
Subject: Added initial multisampling support to glfbdev driver. Fully
 implemented glutGameMode, and added vidresize stubs to make Added support for
 glutReshapeDisplay to change video mode but not lose current mesa context.
 implementation glut 5 complient. Fixed many minor bugs Updated docs

---
 src/glut/fbdev/menu.c | 42 +++++++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

(limited to 'src/glut/fbdev/menu.c')

diff --git a/src/glut/fbdev/menu.c b/src/glut/fbdev/menu.c
index 8ac0ed3987..f5a5ef7543 100644
--- a/src/glut/fbdev/menu.c
+++ b/src/glut/fbdev/menu.c
@@ -42,7 +42,6 @@ int ActiveMenu;
 int CurrentMenu;
 
 static double MenuProjection[16];
-static double MenuModelview[16];
 
 static int AttachedMenus[3];
 static int NumMenus = 1;
@@ -55,14 +54,8 @@ void InitializeMenus(void)
    glPushMatrix();
    glLoadIdentity();
    gluOrtho2D(0.0, VarInfo.xres, VarInfo.yres, 0.0);
-   glMatrixMode(GL_MODELVIEW);
-   glPushMatrix();
-   glLoadIdentity();
-   glViewport(0, 0, VarInfo.xres, VarInfo.yres);
    glGetDoublev(GL_PROJECTION_MATRIX, MenuProjection);
-   glGetDoublev(GL_MODELVIEW_MATRIX, MenuModelview);
-   glPopMatrix();
-   glMatrixMode(GL_PROJECTION);
+
    glPopMatrix();
    glPopAttrib();
 }
@@ -72,7 +65,7 @@ void FreeMenus(void)
    int i, j;
 	
    for(i = 1; i<NumMenus; i++) {
-      for(j = 1; i<Menus[i].NumItems; j++)
+      for(j = 0; j<Menus[i].NumItems; j++)
 	 free(Menus[i].Items[j].name);
       free(Menus[i].Items);
    }
@@ -101,9 +94,10 @@ static int DrawMenu(int menu, int x, int *y)
 {
    int i;
    int ret = 1;
+
    for(i=0; i < Menus[menu].NumItems; i++) {
       char *s = Menus[menu].Items[i].name;
-      int a =0;
+      int a = 0;
       if(MouseY >= *y && MouseY < *y + MENU_FONT_HEIGHT &&
 	 MouseX >= x && MouseX < x + Menus[menu].width) {
 	 a = 1;
@@ -133,18 +127,26 @@ static int DrawMenu(int menu, int x, int *y)
 
 void DrawMenus(void)
 {
-   int x = Menus[ActiveMenu].x;
-   int y = Menus[ActiveMenu].y;
+   int x, y;
+
+   if(GameMode)
+      return;
+
+   x = Menus[ActiveMenu].x;
+   y = Menus[ActiveMenu].y;
 
    /* save old settings */
-   glPushAttrib(-1);
+   glPushAttrib(GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT
+		| GL_ENABLE_BIT | GL_VIEWPORT_BIT);
 
    glMatrixMode(GL_MODELVIEW);
    glPushMatrix();
-   glLoadMatrixd(MenuModelview);
+   glLoadIdentity();
+
    glMatrixMode(GL_PROJECTION);
    glPushMatrix();
    glLoadMatrixd(MenuProjection);
+   glViewport(0, 0, VarInfo.xres, VarInfo.yres);
 
    glDisable(GL_DEPTH_TEST);
    glDisable(GL_ALPHA_TEST);
@@ -153,7 +155,7 @@ void DrawMenus(void)
    glDisable(GL_TEXTURE_2D);
    glEnable(GL_COLOR_LOGIC_OP);
    glLogicOp(GL_AND_REVERSE);
-    
+
    if(DrawMenu(ActiveMenu, x, &y))
       Menus[ActiveMenu].selected = -1;
     
@@ -171,8 +173,14 @@ void OpenMenu(void)
       MenuStatusFunc(GLUT_MENU_IN_USE, MouseX, MouseY);
    if(MenuStateFunc)
       MenuStateFunc(GLUT_MENU_IN_USE);
-   Menus[ActiveMenu].x = MouseX - Menus[ActiveMenu].width/2;
-   Menus[ActiveMenu].y = MouseY - Menus[ActiveMenu].NumItems*MENU_FONT_HEIGHT/2;
+   Menus[ActiveMenu].x = MouseX-Menus[ActiveMenu].width/2;
+
+   if(Menus[ActiveMenu].x < 0)
+      Menus[ActiveMenu].x = 0;
+   if(Menus[ActiveMenu].x + Menus[ActiveMenu].width >= VarInfo.xres)
+     Menus[ActiveMenu].x = VarInfo.xres - Menus[ActiveMenu].width - 1;
+
+   Menus[ActiveMenu].y = MouseY-Menus[ActiveMenu].NumItems*MENU_FONT_HEIGHT/2;
    Menus[ActiveMenu].selected = -1;
 }
 
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