Hello,
Here a proposal for an "API" for font loading and for displaying
string. Any comments welcome before I start the changes.
Before two questions:
The menus code use only XTextWidth and never XmbTextEscapement.
Are there good reasons to do not use XmbTextEscapement (via some ifdef)?
Does a font cache will be useful?
Olivier
------------
/* As it is now but font loading logic will change */
typedef struct FvwmFont
{
XFontStruct *font; /* font structure */
#ifdef I18N_MB
XFontSet fontset; /* font set */
#endif
int height; /* height of the font */
int y; /* Y coordinate to draw characters */
} FvwmFont;
/*
* Load fontname into ret_font. For I18N_MB:
* 1) first try to load fontname with XCreateFontSet
* 2) If this fail try to load fontname with XLoadQueryFont
* 3) If this fail try to load
* -*-fixed-medium-r-normal-*-13-*-*-*-*-*-*-*,\
* -*-fixed-medium-r-normal-*-14-*-*-*-*-*-*-*
* with XCreateFontSet
* 4) If this fail try to load "fixed" with XLoadQueryFont
*
* For !I18N_MB just do 2) and 4) as now but if a "," separated list
* of fonts is given try to load each.
*/
Bool LoadFvwmFont(
Display *dpy, char *fontname, FvwmFont *ret_font);
typedef struct FvwmWinString
{
char *str;
GC gc;
Window win;
int x;
int y;
/* may add more elements in the future */
} FvwmWinString;
/*
* Draw string fstr->str at position fstr->x, fstr->y on window fstr->win
* by using either XmbDrawString if ff.fonset != None (and I18N_MB) or
* XDrawString. flags: may be used in the future.
*/
void FDrawString(Display *dpy, FvwmFont ff, FvwmWinString *fstr,
unsigned long flags);
/*
* Simple wapper to XmbTextEscapement (used if ff.fontset != None and I18_MB)
* and XTextWidth
*/
int FTextWidth(FvwmFont ff, char *str, int sl);
/*
* Create a FvwmWinString structure initialized to 0
*/
Bool AllocateFvwmWinString(FvwmWinString **pfws);
/* maybe other warrper as FTextPropertyToTextList */
--
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