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Highlighting + unpress handling fixed.

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master
Christoph Lohmann 13 years ago
parent 9475c4590e
commit b6a96b6df9
1 changed files with 141 additions and 56 deletions
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  1. 191
      svkbd.c

191
svkbd.c
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@ -29,6 +29,8 @@ typedef unsigned long ulong;
typedef struct {
ulong norm[ColLast];
ulong press[ColLast];
ulong high[ColLast];
Drawable drawable;
GC gc;
struct {
@ -46,6 +48,7 @@ typedef struct {
uint width;
int x, y, w, h;
Bool pressed;
Bool highlighted;
} Key;
typedef struct {
@ -54,6 +57,7 @@ typedef struct {
} Buttonmod;
/* function declarations */
static void motionnotify(XEvent *e);
static void buttonpress(XEvent *e);
static void buttonrelease(XEvent *e);
static void cleanup(void);
@ -72,7 +76,7 @@ static void press(Key *k, KeySym mod);
static void run(void);
static void setup(void);
static int textnw(const char *text, uint len);
static void unpress();
static void unpress(Key *k, KeySym mod);
static void updatekeys();
/* variables */
@ -84,6 +88,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
[UnmapNotify] = unmapnotify,
[Expose] = expose,
[LeaveNotify] = leavenotify,
[MotionNotify] = motionnotify
};
static Atom netatom[NetLast];
static Display *dpy;
@ -93,10 +98,46 @@ static Bool running = True, istoolbar = False;
static KeySym pressedmod = 0;
static int rows = 0, ww = 0, wh = 0, wx = 0, wy = 0;
static char *name = "svkbd";
Bool ispressing = False;
/* configuration, allows nested code to access above variables */
#include "config.h"
#include "layout.h"
void
motionnotify(XEvent *e)
{
XPointerMovedEvent *ev = &e->xmotion;
int i;
for(i = 0; i < LENGTH(keys); i++) {
if(keys[i].keysym && ev->x > keys[i].x
&& ev->x < keys[i].x + keys[i].w
&& ev->y > keys[i].y
&& ev->y < keys[i].y + keys[i].h) {
if(keys[i].highlighted != True) {
if(ispressing) {
keys[i].pressed = True;
} else {
keys[i].highlighted = True;
}
drawkey(&keys[i]);
}
continue;
}
if(!IsModifierKey(keys[i].keysym) && keys[i].pressed == True) {
keys[i].pressed = False;
drawkey(&keys[i]);
}
if(keys[i].highlighted == True) {
keys[i].highlighted = False;
drawkey(&keys[i]);
}
}
}
void
buttonpress(XEvent *e) {
int i;
@ -104,22 +145,35 @@ buttonpress(XEvent *e) {
Key *k;
KeySym mod = 0;
for(i = 0; i < LENGTH(buttonmods); i++)
ispressing = True;
for(i = 0; i < LENGTH(buttonmods); i++) {
if(ev->button == buttonmods[i].button) {
mod = buttonmods[i].mod;
break;
}
}
if((k = findkey(ev->x, ev->y)))
press(k, mod);
}
void
buttonrelease(XEvent *e) {
int i;
XButtonPressedEvent *ev = &e->xbutton;
Key *k;
KeySym mod = 0;
ispressing = False;
for(i = 0; i < LENGTH(buttonmods); i++) {
if(ev->button == buttonmods[i].button) {
mod = buttonmods[i].mod;
break;
}
}
if((k = findkey(ev->x, ev->y)))
unpress();
unpress(k, mod);
}
void
@ -143,7 +197,8 @@ configurenotify(XEvent *e) {
ww = ev->width;
wh = ev->height;
XFreePixmap(dpy, dc.drawable);
dc.drawable = XCreatePixmap(dpy, root, ww, wh, DefaultDepth(dpy, screen));
dc.drawable = XCreatePixmap(dpy, root, ww, wh,
DefaultDepth(dpy, screen));
updatekeys();
}
}
@ -152,9 +207,10 @@ void
countrows() {
int i = 0;
for(i = 0, rows = 1; i < LENGTH(keys); i++)
for(i = 0, rows = 1; i < LENGTH(keys); i++) {
if(keys[i].keysym == 0)
rows++;
}
}
void
@ -187,8 +243,11 @@ drawkey(Key *k) {
if(k->pressed)
col = dc.press;
else if(k->highlighted)
col = dc.high;
else
col = dc.norm;
XSetForeground(dpy, dc.gc, col[ColBG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
@ -196,19 +255,23 @@ drawkey(Key *k) {
r.width -= 1;
XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
XSetForeground(dpy, dc.gc, col[ColFG]);
if(k->label)
if(k->label) {
l = k->label;
else
} else {
l = XKeysymToString(k->keysym);
}
len = strlen(l);
h = dc.font.ascent + dc.font.descent;
y = k->y + (k->h / 2) - (h / 2) + dc.font.ascent;
x = k->x + (k->w / 2) - (textnw(l, len) / 2);
if(dc.font.set)
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, l, len);
else
if(dc.font.set) {
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, l,
len);
} else {
XDrawString(dpy, dc.drawable, dc.gc, x, y, l, len);
XCopyArea(dpy, dc.drawable, win, dc.gc, k->x, k->y, k->w, k->h, k->x, k->y);
}
XCopyArea(dpy, dc.drawable, win, dc.gc, k->x, k->y, k->w, k->h,
k->x, k->y);
}
void
@ -228,11 +291,13 @@ Key *
findkey(int x, int y) {
int i;
for(i = 0; i < LENGTH(keys); i++)
for(i = 0; i < LENGTH(keys); i++) {
if(keys[i].keysym && x > keys[i].x &&
x < keys[i].x + keys[i].w &&
y > keys[i].y && y < keys[i].y + keys[i].h)
y > keys[i].y && y < keys[i].y + keys[i].h) {
return &keys[i];
}
}
return NULL;
}
@ -270,8 +335,7 @@ initfont(const char *fontstr) {
dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
xfonts++;
}
}
else {
} else {
if(dc.font.xfont)
XFreeFont(dpy, dc.font.xfont);
dc.font.xfont = NULL;
@ -286,7 +350,7 @@ initfont(const char *fontstr) {
void
leavenotify(XEvent *e) {
unpress();
unpress(NULL, 0);
}
void
@ -294,23 +358,64 @@ press(Key *k, KeySym mod) {
int i;
k->pressed = !k->pressed;
if(!IsModifierKey(k->keysym)) {
for(i = 0; i < LENGTH(keys); i++) {
if(keys[i].pressed && IsModifierKey(keys[i].keysym)) {
XTestFakeKeyEvent(dpy,
XKeysymToKeycode(dpy, keys[i].keysym),
True, 0);
}
}
pressedmod = mod;
if(pressedmod) {
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, mod),
True, 0);
}
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, k->keysym), True, 0);
}
drawkey(k);
}
void
unpress(Key *k, KeySym mod) {
int i;
if(k != NULL) {
switch(k->keysym) {
case XK_Cancel:
exit(0);
default:
break;
}
}
if(!IsModifierKey(k->keysym)) {
for(i = 0; i < LENGTH(keys); i++)
if(keys[i].pressed && IsModifierKey(keys[i].keysym))
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, keys[i].keysym), True, 0);
pressedmod = mod;
if(pressedmod)
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, mod), True, 0);
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, k->keysym), True, 0);
for(i = 0; i < LENGTH(keys); i++) {
if(keys[i].pressed && !IsModifierKey(keys[i].keysym)) {
XTestFakeKeyEvent(dpy,
XKeysymToKeycode(dpy, keys[i].keysym),
False, 0);
keys[i].pressed = 0;
drawkey(&keys[i]);
break;
}
}
if(i != LENGTH(keys)) {
for(i = 0; i < LENGTH(keys); i++) {
if(pressedmod) {
XTestFakeKeyEvent(dpy,
XKeysymToKeycode(dpy, pressedmod),
False, 0);
}
pressedmod = 0;
if(keys[i].pressed) {
XTestFakeKeyEvent(dpy,
XKeysymToKeycode(dpy,
keys[i].keysym), False, 0);
keys[i].pressed = 0;
drawkey(&keys[i]);
}
}
}
drawkey(k);
}
void
@ -372,7 +477,10 @@ setup(void) {
dc.norm[ColFG] = getcolor(normfgcolor);
dc.press[ColBG] = getcolor(pressbgcolor);
dc.press[ColFG] = getcolor(pressfgcolor);
dc.drawable = XCreatePixmap(dpy, root, ww, wh, DefaultDepth(dpy, screen));
dc.high[ColBG] = getcolor(highlightbgcolor);
dc.high[ColFG] = getcolor(highlightfgcolor);
dc.drawable = XCreatePixmap(dpy, root, ww, wh,
DefaultDepth(dpy, screen));
dc.gc = XCreateGC(dpy, root, 0, 0);
if(!dc.font.set)
XSetFont(dpy, dc.gc, dc.font.xfont->fid);
@ -384,9 +492,11 @@ setup(void) {
wa.background_pixel = dc.norm[ColBG];
win = XCreateWindow(dpy, root, wx, wy, ww, wh, 0,
CopyFromParent, CopyFromParent, CopyFromParent,
CWOverrideRedirect | CWBorderPixel | CWBackingPixel, &wa);
CWOverrideRedirect | CWBorderPixel |
CWBackingPixel, &wa);
XSelectInput(dpy, win, StructureNotifyMask|ButtonReleaseMask|
ButtonPressMask|ExposureMask|LeaveWindowMask);
ButtonPressMask|ExposureMask|LeaveWindowMask|
PointerMotionMask);
wmh = XAllocWMHints();
wmh->input = False;
@ -422,31 +532,6 @@ textnw(const char *text, uint len) {
return XTextWidth(dc.font.xfont, text, len);
}
void
unpress() {
int i;
for(i = 0; i < LENGTH(keys); i++)
if(keys[i].pressed && !IsModifierKey(keys[i].keysym)) {
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, keys[i].keysym), False, 0);
keys[i].pressed = 0;
drawkey(&keys[i]);
break;
}
if(i != LENGTH(keys)) {
for(i = 0; i < LENGTH(keys); i++) {
if(pressedmod)
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, pressedmod), False, 0);
pressedmod = 0;
if(keys[i].pressed) {
XTestFakeKeyEvent(dpy, XKeysymToKeycode(dpy, keys[i].keysym), False, 0);
keys[i].pressed = 0;
drawkey(&keys[i]);
}
}
}
}
void
updatekeys() {
int i, j;

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