Kontron KTAM3874-pITX - Manual (Page 121)

KTD-S0057-I Page 117 Linux® Programming Examples (DebianTM)
KTAM3874/pITX Software Guide
#define BTN_CANCEL
1
#define BTN_FONT1 "9x15bold"
#define BTN_TEXT1 "Cancel"
#define BTN_PICTURE 2
#define BTN_FONT2 "lucidasans-bold-12"
#define BTN_TEXT2 "Picture"
#define PICT_X 4
#define PICT_BG "peru"
#define PICT_FG "gainsboro"
typedef struct {
Display
*disp;
Window win;
GC gc;
int screen;
Colormap cmap; /* only for freeing */
XFontStruct *font1; /* only for freeing */
XFontStruct *font2; /* only for freeing */
Pixmap pict; /* only for freeing */
} XSystem;
typedef struct {
XRectangle
rc;
unsigned long backcol;
unsigned long linecol1;
unsigned long linecol2;
unsigned long textcol;
XFontStruct *font;
char text[16];
} XButton;
static XRectangle btn1 = {
.x = WIDTH - BTN_WIDTH - 20,
.y = HEIGHT - BTN_HEIGHT - 20,
.width = BTN_WIDTH,
.height = BTN_HEIGHT
};
static XRectangle btn2 = {
.x = WIDTH / 2 - BTN_WIDTH / 2,
.y = HEIGHT / 2 - BTN_HEIGHT,
.width = BTN_WIDTH,
.height = BTN_HEIGHT * 2
};
static void draw_button (XSystem sys, XButton btn)
{
int tmp, xp, yp;
XCharStruct tsize;
XSetForeground (sys.disp, sys.gc, btn.backcol);
XFillRectangle (sys.disp, sys.win, sys.gc, btn.rc.x+1, btn.rc.y+1, btn.rc.width-2, btn.rc.height-2);
XSetForeground (sys.disp, sys.gc, BlackPixel (sys.disp, sys.screen));
XDrawRectangle (sys.disp, sys.win, sys.gc, btn.rc.x, btn.rc.y, btn.rc.width, btn.rc.height);