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buttons for X11 driver (thanks to Volker Gering)

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git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@807 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
michael
2007-06-17 06:10:11 +00:00
parent d3c68fc20d
commit 0802e1b84e
1 changed files with 49 additions and 8 deletions
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drv_X11.c
+49 -8
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@@ -68,6 +68,9 @@ static int pgap = 0; /* gap between points */
static int rgap = 0; /* row gap between lines */
static int cgap = 0; /* column gap between characters */
static int border = 0; /* window border */
static int buttons = 0; /* number of keypad buttons */
static int btnwidth = 0;
static int btnheight = 0;
static int dimx, dimy; /* total window dimension in pixel */
@@ -140,6 +143,11 @@ static void drv_X11_expose(const int x, const int y, const int width, const int
int r, c;
int x0, y0;
int x1, y1;
XFontStruct *xfs = XQueryFont(dp, XGContextFromGC(DefaultGC(dp, 0)));
int xoffset = border + (DCOLS / XRES) * cgap + DCOLS * (pixel + pgap);
int yoffset = border + (DROWS / YRES) * rgap;
int yk;
char s[3];
x0 = x - pixel;
x1 = x + pixel + width;
@@ -158,6 +166,21 @@ static void drv_X11_expose(const int x, const int y, const int width, const int
XFillRectangle(dp, w, gc, xc, yc, pixel, pixel);
}
}
/* Keypad on the right side */
debug("buttons: %d (%dx%d), xfont: %dx%d",
buttons, btnwidth, btnheight, xfs->max_bounds.width, xfs->max_bounds.ascent);
drv_X11_color(FG_COL);
for (r = 0; r < buttons; r++) {
yk = yoffset + r * (btnheight + pgap);
snprintf(s, sizeof(s), "%d", r);
debug("x: %d, y: %d, text: %s", xoffset, y, s);
XDrawRectangle(dp, w, gc, xoffset, yk, btnwidth, btnheight - 2);
XDrawString(dp, w, gc,
xoffset + btnwidth / 2 - xfs->max_bounds.width / 2, yk + btnheight / 2 + xfs->max_bounds.ascent / 2,
s, 1);
}
XSync(dp, False);
}
@@ -166,12 +189,22 @@ static void drv_X11_timer( __attribute__ ((unused))
void *notused)
{
XEvent ev;
int xoffset = border + (DCOLS / XRES) * cgap + DCOLS * (pixel + pgap);
int yoffset = border + (DROWS / YRES) * rgap;
int btn;
if (XCheckWindowEvent(dp, w, ExposureMask, &ev) == 0)
if (XCheckWindowEvent(dp, w, ExposureMask | ButtonPressMask, &ev) == 0)
return;
if (ev.type == Expose) {
drv_X11_expose(ev.xexpose.x, ev.xexpose.y, ev.xexpose.width, ev.xexpose.height);
}
if (ev.type == ButtonPress) {
if (ev.xbutton.x >= xoffset && ev.xbutton.x <= xoffset + btnwidth
&& ev.xbutton.y >= yoffset && ev.xbutton.y <= yoffset + buttons * btnheight + (buttons - 1) * pgap) {
btn = (ev.xbutton.y - yoffset) / (btnheight + pgap);
info("Button %d pressed", btn);
}
}
}
@@ -227,6 +260,9 @@ static int drv_X11_start(const char *section)
}
free(s);
if (cfg_number(section, "buttons", 0, 0, 10, &buttons) < 0)
return -1;
drv_X11_FB = malloc(DCOLS * DROWS * sizeof(*drv_X11_FB));
if (drv_X11_FB == NULL) {
error("%s: framebuffer could not be allocated: malloc() failed", Name);
@@ -251,22 +287,26 @@ static int drv_X11_start(const char *section)
dimx = DCOLS * pixel + (DCOLS - 1) * pgap + (DCOLS / XRES - 1) * cgap;
dimy = DROWS * pixel + (DROWS - 1) * pgap + (DROWS / YRES - 1) * rgap;
if (buttons != 0) {
btnwidth = (DCOLS * pixel + (DCOLS - 1) * pgap) / 10;
btnheight = (DROWS * pixel + (DROWS - 1) * pgap) / buttons;
}
wa.event_mask = ExposureMask;
wa.event_mask = ExposureMask | ButtonPressMask;
w = XCreateWindow(dp, rw, 0, 0, dimx + 2 * border, dimy + 2 * border, 0, 0, InputOutput, vi, CWEventMask, &wa);
pm = XCreatePixmap(dp, w, dimx, dimy, dd);
sh.min_width = sh.max_width = dimx + 2 * border;
sh.min_width = sh.max_width = dimx + 2 * border + btnwidth;
sh.min_height = sh.max_height = dimy + 2 * border;
sh.flags = PPosition | PSize | PMinSize | PMaxSize;
w = XCreateWindow(dp, rw, 0, 0, sh.min_width, sh.min_height, 0, 0, InputOutput, vi, CWEventMask, &wa);
pm = XCreatePixmap(dp, w, dimx, dimy, dd);
XSetWMProperties(dp, w, NULL, NULL, NULL, 0, &sh, NULL, NULL);
drv_X11_color(BC);
XFillRectangle(dp, pm, gc, 0, 0, dimx + 2 * border, dimy + 2 * border);
XFillRectangle(dp, pm, gc, 0, 0, sh.min_width, sh.min_height);
XSetWindowBackground(dp, w, xc.pixel);
XClearWindow(dp, w);
@@ -277,6 +317,7 @@ static int drv_X11_start(const char *section)
while (1) {
XNextEvent(dp, &ev);
info("XEvent %d", ev.type);
if (ev.type == Expose && ev.xexpose.count == 0)
break;
}