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Minor modifications to the menus:

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* Updated an old "TODO BEFORE STABLE" comment.

 * Expanded a comment re. some #define macros.

 * Made colors and font choice system dependant.  The UNIX freeglut
   menus look more like UNIX GLUT menus, now.  (This is PURELY a
   cosmetic change.  But it achieves better compatibility visually.)


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@247 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
rkrolib 2003-10-27 05:32:14 +00:00
parent b906986ac4
commit f5a588101e
1 changed files with 34 additions and 7 deletions
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41
freeglut/freeglut/src/freeglut_menu.c
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@ -37,18 +37,43 @@
/*
* TODO BEFORE THE STABLE RELEASE:
*
* It would be cool if the submenu entries were somehow marked, for example with a dings
* on the right menu border or something like that. Think about the possibility of doing
* the menu on layers *or* using the native window system instead of OpenGL.
* Wouldn't 1.0 have been "the" stable release? Now we are past 2.0,
* so this comment is probably just out of date. (20031026; rkr)
*
* Think about the possibility of doing the menu on layers *or* using the
* native window system instead of OpenGL.
*/
/* -- DEFINITIONS ---------------------------------------------------------- */
/*
* We'll be using freeglut fonts to draw the menu
* FREEGLUT_MENU_FONT can be any freeglut bitmapped font.
* (Stroked fonts would not be out of the question, but we'd need to alter
* code, since GLUT (hence freeglut) does not quite unify stroked and
* bitmapped font handling.)
* Old UNIX/X11 GLUT (BSD, UNIX, IRIX, LINUX, HPUX, ...) used a system
* font best approximated by an 18-pixel HELVETICA, I think. MS-WINDOWS
* GLUT used something closest to the 8x13 fixed-width font. (Old
* GLUT apparently uses host-system menus rather than building its own.
* freeglut is building its own menus from scratch.)
*
* FREEGLUT_MENU_HEIGHT gives the height of ONE menu box. This should be
* the distances between two adjacent menu entries. It should scale
* automatically with the font choice, so you needn't alter it---unless you
* use a stroked font.
*
* FREEGLUT_MENU_BORDER says how many pixels to allow around the edge of a
* menu. (It also seems to be the same as the number of pixels used as
* a border around *items* to separate them from neighbors. John says
* that that wasn't the original intent...if not, perhaps we need another
* symbolic constant, FREEGLUT_MENU_ITEM_BORDER, or such.)
*/
#if TARGET_HOST_WIN32
#define FREEGLUT_MENU_FONT GLUT_BITMAP_8_BY_13
/*#define FREEGLUT_MENU_FONT GLUT_BITMAP_HELVETICA_18*/
#elif TARGET_HOST_UNIX_X11
#define FREEGLUT_MENU_FONT GLUT_BITMAP_HELVETICA_18
#endif
#define FREEGLUT_MENU_HEIGHT (glutBitmapHeight(FREEGLUT_MENU_FONT) + FREEGLUT_MENU_BORDER)
#define FREEGLUT_MENU_BORDER 2
@ -61,13 +86,15 @@
* too. These variables should be stuffed into global state and initialized
* via the glutInit*() system.
*/
static float menu_pen_fore [4] = {0.0f, 0.0f, 0.0f, 1.0f};
static float menu_pen_back [4] = {0.85f, 0.85f, 0.85f, 1.0f};
#if TARGET_HOST_WIN32
static float menu_pen_fore [4] = {0.0f, 0.0f, 0.0f, 1.0f};
static float menu_pen_back [4] = {0.85f, 0.85f, 0.85f, 1.0f};
static float menu_pen_hfore [4] = {1.0f, 1.0f, 1.0f, 1.0f};
static float menu_pen_hback [4] = {0.15f, 0.15f, 0.45f, 1.0f};
#else
static float menu_pen_fore [4] = {0.0f, 0.0f, 0.0f, 1.0f};
static float menu_pen_back [4] = {0.70f, 0.70f, 0.70f, 1.0f};
static float menu_pen_hfore [4] = {0.0f, 0.0f, 0.0f, 1.0f};
static float menu_pen_hback [4] = {1.0f, 1.0f, 1.0f, 1.0f};
#endif