#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
+#include <X11/Xresource.h>
+#include <X11/XKBlib.h>
+#include <X11/Xft/Xft.h>
+
+#define ITEMPREV 0
+#define ITEMNEXT 1
/* macros */
#define LEN(x) (sizeof (x) / sizeof (x[0]))
+#define MAX(x,y) ((x)>(y)?(x):(y))
+#define MIN(x,y) ((x)<(y)?(x):(y))
/* color enum */
enum {ColorFG, ColorBG, ColorLast};
/* draw context structure */
struct DC {
- unsigned long unpressed[ColorLast];
- unsigned long pressed[ColorLast];
- unsigned long decoration[ColorLast];
+ XftColor normal[ColorLast];
+ XftColor selected[ColorLast];
+ XftColor decoration[ColorLast];
Drawable d;
GC gc;
- XFontStruct *font;
- int fonth;
+ XftFont *font;
};
/* menu geometry structure */
/* menu item structure */
struct Item {
- char *label;
- char *output;
- int y;
- int h;
- struct Item *next;
- struct Menu *submenu;
+ char *label; /* string to be drawed on menu */
+ char *output; /* string to be outputed when item is clicked */
+ int y; /* item y position relative to menu */
+ int h; /* item height */
+ size_t labellen; /* strlen(label) */
+ struct Item *prev; /* previous item */
+ struct Item *next; /* next item */
+ struct Menu *submenu; /* submenu spawned by clicking on item */
};
/* menu structure */
struct Menu {
- struct Menu *parent;
- struct Item *list;
- struct Item *selected;
- int x, y, w, h;
- unsigned level;
- Drawable pixmap;
- Window win;
+ struct Menu *parent; /* parent menu */
+ struct Item *caller; /* item that spawned the menu */
+ struct Item *list; /* list of items contained by the menu */
+ struct Item *selected; /* item currently selected in the menu */
+ int x, y, w, h; /* menu geometry */
+ unsigned level; /* menu level relative to root */
+ Drawable pixmap; /* pixmap to draw the menu on */
+ XftDraw *draw;
+ Window win; /* menu window to map on the screen */
};
/* function declarations */
-static unsigned long getcolor(const char *s);
+static void getcolor(const char *s, XftColor *color);
+static void getresources(void);
static void setupdc(void);
static void setupgeom(void);
static void setupgrab(void);
static void parsestdin(void);
static void run(void);
static void freewindow(struct Menu *menu);
-static void cleanupexit(void);
+static void cleanup(void);
static void usage(void);
/* X variables */
static Colormap colormap;
static Display *dpy;
+static Visual *visual;
static Window rootwin;
static int screen;
static struct DC dc;
if ((dpy = XOpenDisplay(NULL)) == NULL)
errx(1, "cannot open display");
screen = DefaultScreen(dpy);
+ visual = DefaultVisual(dpy, screen);
rootwin = RootWindow(dpy, screen);
colormap = DefaultColormap(dpy, screen);
/* setup */
+ getresources();
setupdc();
setupgeom();
- setupgrab();
+ if (override_redirect)
+ setupgrab();
/* generate menus and recalculate them */
parsestdin();
calcscreengeom();
calcmenu(rootmenu);
+ /* map root menu */
+ currmenu = rootmenu;
+ XMapWindow(dpy, rootmenu->win);
+
/* run event loop */
run();
- return 1; /* UNREACHABLE */
+ cleanup();
+
+ return 0;
}
-/* get color from color string */
-static unsigned long
-getcolor(const char *s)
+/* read xrdb for configuration options */
+static void
+getresources(void)
{
- XColor color;
+ char *xrm;
+ long n;
+
+ XrmInitialize();
+ if ((xrm = XResourceManagerString(dpy))) {
+ char *type;
+ XrmDatabase xdb;
+ XrmValue xval;
+
+ xdb = XrmGetStringDatabase(xrm);
+
+ if (XrmGetResource(xdb, "xmenu.menuborder", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ menuborder = n;
+ if (XrmGetResource(xdb, "xmenu.separatorsize", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ separatorsize = n;
+ if (XrmGetResource(xdb, "xmenu.itemborder", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ itemborder = n;
+ if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ width = n;
+ if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True)
+ background = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True)
+ foreground = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True)
+ selbackground = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True)
+ selforeground = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True)
+ separator = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True)
+ border = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True)
+ font = strdup(xval.addr);
+
+ XrmDestroyDatabase(xdb);
+ }
+}
- if(!XAllocNamedColor(dpy, colormap, s, &color, &color))
+/* get color from color string */
+static void
+getcolor(const char *s, XftColor *color)
+{
+ if(!XftColorAllocName(dpy, visual, colormap, s, color))
errx(1, "cannot allocate color: %s", s);
- return color.pixel;
}
/* init draw context */
setupdc(void)
{
/* get color pixels */
- dc.unpressed[ColorBG] = getcolor(UNPRESSEDBG);
- dc.unpressed[ColorFG] = getcolor(UNPRESSEDFG);
- dc.pressed[ColorBG] = getcolor(PRESSEDBG);
- dc.pressed[ColorFG] = getcolor(PRESSEDFG);
- dc.decoration[ColorBG] = getcolor(DECORATIONBG);
- dc.decoration[ColorFG] = getcolor(DECORATIONFG);
+ getcolor(background, &dc.normal[ColorBG]);
+ getcolor(foreground, &dc.normal[ColorFG]);
+ getcolor(selbackground, &dc.selected[ColorBG]);
+ getcolor(selforeground, &dc.selected[ColorFG]);
+ getcolor(separator, &dc.decoration[ColorBG]);
+ getcolor(border, &dc.decoration[ColorFG]);
/* try to get font */
- if ((dc.font = XLoadQueryFont(dpy, FONT)) == NULL)
+ if ((dc.font = XftFontOpenName(dpy, screen, font)) == NULL)
errx(1, "cannot load font");
- dc.fonth = dc.font->ascent + dc.font->descent;
- /* create GC and set its font */
+ /* create GC */
dc.gc = XCreateGC(dpy, rootwin, 0, NULL);
- XSetFont(dpy, dc.gc, dc.font->fid);
}
/* init menu geometry values */
static void
setupgeom(void)
{
- geom.itemb = ITEMB;
- geom.itemh = dc.fonth + ITEMB * 2;
- geom.itemw = ITEMW;
- geom.border = BORDER;
- geom.separator = SEPARATOR;
+ geom.itemb = itemborder;
+ geom.itemh = dc.font->height + itemborder * 2;
+ geom.itemw = width;
+ geom.border = menuborder;
+ geom.separator = separatorsize;
}
/* grab pointer */
static void
setupgrab(void)
{
- XGrabPointer(dpy, rootwin, True, ButtonPressMask | ButtonReleaseMask,
- GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
+ if (XGrabPointer(dpy, rootwin, True, ButtonPressMask,
+ GrabModeAsync, GrabModeAsync, None,
+ None, CurrentTime) != GrabSuccess)
+ errx(1, "cannot grab pointer");
+ if (XGrabKeyboard(dpy, rootwin, True, GrabModeAsync,
+ GrabModeAsync, CurrentTime) != GrabSuccess)
+ errx(1, "cannot grab keyboard");
}
/* allocate an item */
}
item->y = 0;
item->h = item->label ? geom.itemh : geom.separator;
+ if (item->label == NULL)
+ item->labellen = 0;
+ else
+ item->labellen = strlen(item->label);
item->next = NULL;
item->submenu = NULL;
err(1, "malloc");
menu->parent = parent;
menu->list = list;
+ menu->caller = NULL;
menu->selected = NULL;
menu->w = geom.itemw;
menu->h = 0; /* calculated by calcmenu() */
menu->level = level;
swa.override_redirect = override_redirect;
- swa.background_pixel = dc.decoration[ColorBG];
- swa.border_pixel = dc.decoration[ColorFG];
+ swa.background_pixel = dc.decoration[ColorBG].pixel;
+ swa.border_pixel = dc.decoration[ColorFG].pixel;
swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask
| PointerMotionMask | LeaveWindowMask;
menu->win = XCreateWindow(dpy, rootwin, 0, 0, geom.itemw, geom.itemh, geom.border,
rootmenu = menu;
prevmenu = menu;
count = 1;
+ curritem->prev = NULL;
+ curritem->next = NULL;
} else if (level < prevmenu->level) { /* item is continuation of a parent menu*/
for (menu = prevmenu, i = level;
menu != NULL && i < prevmenu->level;
;
item->next = curritem;
+
+ curritem->prev = item;
+ curritem->next = NULL;
+
prevmenu = menu;
} else if (level == prevmenu->level) { /* item is a continuation of current menu */
for (item = prevmenu->list; item->next != NULL; item = item->next)
;
item->next = curritem;
+
+ curritem->prev = item;
+ curritem->next = NULL;
+
} else if (level > prevmenu->level) { /* item begins a new menu */
menu = allocmenu(prevmenu, curritem, level);
;
item->submenu = menu;
+ menu->caller = item;
+
+ curritem->prev = NULL;
+ curritem->next = NULL;
prevmenu = menu;
}
{
XWindowChanges changes;
XSizeHints sizeh;
+ XGlyphInfo ext;
struct Item *item;
+ int labelwidth;
- /* calculate items positions and menu height */
+ /* calculate items positions and menu width and height */
+ menu->w = geom.itemw;
for (item = menu->list; item != NULL; item = item->next) {
item->y = menu->h;
if (item->label == NULL) /* height for separator item */
menu->h += geom.separator;
else
menu->h += geom.itemh;
+
+ XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label,
+ item->labellen, &ext);
+ labelwidth = ext.xOff + dc.font->height * 2;
+ menu->w = MAX(menu->w, labelwidth);
}
/* calculate menu's x and y positions */
for (item = menu->parent->list; item->submenu != menu; item = item->next)
;
- if (screengeom.screenw - (menu->parent->x + menu->parent->w) >= menu->w)
- menu->x = menu->parent->x + menu->parent->w;
- else if (menu->parent->x > menu->w)
- menu->x = menu->parent->x - menu->w;
+ if (screengeom.screenw - (menu->parent->x + menu->parent->w + geom.border) >= menu->w)
+ menu->x = menu->parent->x + menu->parent->w + geom.border;
+ else if (menu->parent->x > menu->w + geom.border)
+ menu->x = menu->parent->x - menu->w - geom.border;
if (screengeom.screenh - (item->y + menu->parent->y) > menu->h)
menu->y = item->y + menu->parent->y;
/* update menu geometry */
changes.height = menu->h;
+ changes.width = menu->w;
changes.x = menu->x;
changes.y = menu->y;
- XConfigureWindow(dpy, menu->win, CWHeight | CWX | CWY, &changes);
+ XConfigureWindow(dpy, menu->win, CWWidth | CWHeight | CWX | CWY, &changes);
/* set window manager size hints */
sizeh.flags = PMaxSize | PMinSize;
sizeh.min_height = sizeh.max_height = menu->h;
XSetWMNormalHints(dpy, menu->win, &sizeh);
- /* create pixmap */
+ /* create pixmap and XftDraw */
menu->pixmap = XCreatePixmap(dpy, menu->win, menu->w, menu->h,
DefaultDepth(dpy, screen));
+ menu->draw = XftDrawCreate(dpy, menu->pixmap, visual, colormap);
/* calculate positions of submenus */
for (item = menu->list; item != NULL; item = item->next) {
static void
setcurrmenu(struct Menu *currmenu_new)
{
- struct Menu *menu;
+ struct Menu *menu, *menu_;
+ struct Item *item;
+ struct Menu *lcamenu; /* lowest common ancestor menu */
+ unsigned minlevel; /* level of the closest to root menu */
+ unsigned maxlevel; /* level of the closest to root menu */
if (currmenu_new == currmenu)
return;
- for (menu = currmenu; menu != NULL; menu = menu->parent) {
+ /* find lowest common ancestor menu */
+ lcamenu = rootmenu;
+ if (currmenu != NULL) {
+ minlevel = MIN(currmenu_new->level, currmenu->level);
+ maxlevel = MAX(currmenu_new->level, currmenu->level);
+ if (currmenu_new->level == maxlevel) {
+ menu = currmenu_new;
+ menu_ = currmenu;
+ } else {
+ menu = currmenu;
+ menu_ = currmenu_new;
+ }
+ while (menu->level > minlevel)
+ menu = menu->parent;
+
+ while (menu != menu_) {
+ menu = menu->parent;
+ menu_ = menu_->parent;
+ }
+ lcamenu = menu;
+ }
+
+ /* unmap menus from currmenu (inclusive) until lcamenu (exclusive) */
+ for (menu = currmenu; menu != lcamenu; menu = menu->parent) {
XUnmapWindow(dpy, menu->win);
}
currmenu = currmenu_new;
- for (menu = currmenu; menu != NULL; menu = menu->parent)
+ /* map menus from currmenu (inclusive) until lcamenu (exclusive) */
+ item = NULL;
+ for (menu = currmenu; menu != lcamenu; menu = menu->parent) {
XMapWindow(dpy, menu->win);
+ if (item != NULL)
+ menu->selected = item;
+ item = menu->caller;
+ }
}
/* draw items of the current menu and of its ancestors */
for (menu = currmenu; menu != NULL; menu = menu->parent) {
for (item = menu->list; item != NULL; item = item->next) {
- unsigned long *color;
- size_t labellen;
+ XftColor *color;
int labelx, labely;
/* determine item color */
- if (item->label == NULL)
- color = dc.decoration;
- else if (item == menu->selected)
- color = dc.pressed;
+ if (item == menu->selected)
+ color = dc.selected;
else
- color = dc.unpressed;
-
- /* draw item box */
- XSetForeground(dpy, dc.gc, color[ColorBG]);
- XFillRectangle(dpy, menu->pixmap, dc.gc, 0, item->y,
- geom.itemw, item->h);
+ color = dc.normal;
/* continue if item is a separator */
if (item->label == NULL)
continue;
+ /* draw item box */
+ XSetForeground(dpy, dc.gc, color[ColorBG].pixel);
+ XDrawRectangle(dpy, menu->pixmap, dc.gc, 0, item->y,
+ menu->w, item->h);
+ XFillRectangle(dpy, menu->pixmap, dc.gc, 0, item->y,
+ menu->w, item->h);
+
/* draw item label */
- labellen = strlen(item->label);
- labelx = 0 + dc.fonth;
- labely = item->y + dc.fonth + geom.itemb;
- XSetForeground(dpy, dc.gc, color[ColorFG]);
- XDrawString(dpy, menu->pixmap, dc.gc, labelx, labely, item->label, labellen);
+ labelx = 0 + dc.font->height;
+ labely = item->y + dc.font->height + geom.itemb / 2;
+ XSetForeground(dpy, dc.gc, color[ColorFG].pixel);
+ XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font,
+ labelx, labely, item->label,
+ item->labellen);
/* draw triangle, if item contains a submenu */
if (item->submenu != NULL) {
- int trianglex = geom.itemw - dc.fonth + geom.itemb - 1;
+ int trianglex = menu->w - dc.font->height + geom.itemb - 1;
int triangley = item->y + (3 * item->h)/8 -1;
XPoint triangle[] = {
}
}
+/* cycle through the items; non-zero direction is next, zero is prev */
+static struct Item *
+itemcycle(int direction)
+{
+ struct Item *item;
+ struct Item *lastitem;
+
+ item = NULL;
+
+ if (direction == ITEMNEXT) {
+ if (currmenu->selected == NULL)
+ item = currmenu->list;
+ else if (currmenu->selected->next != NULL)
+ item = currmenu->selected->next;
+
+ while (item != NULL && item->label == NULL)
+ item = item->next;
+
+ if (item == NULL)
+ item = currmenu->list;
+ } else {
+ for (lastitem = currmenu->list;
+ lastitem != NULL && lastitem->next != NULL;
+ lastitem = lastitem->next)
+ ;
+
+ if (currmenu->selected == NULL)
+ item = lastitem;
+ else if (currmenu->selected->prev != NULL)
+ item = currmenu->selected->prev;
+
+ while (item != NULL && item->label == NULL)
+ item = item->prev;
+
+ if (item == NULL)
+ item = lastitem;
+ }
+
+ return item;
+}
+
/* run event loop */
static void
run(void)
struct Menu *menu;
struct Item *item;
struct Item *previtem = NULL;
+ KeySym ksym;
XEvent ev;
- setcurrmenu(rootmenu);
-
while (!XNextEvent(dpy, &ev)) {
switch(ev.type) {
case Expose:
- drawmenu();
+ if (ev.xexpose.count == 0)
+ drawmenu();
break;
case MotionNotify:
getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item);
else
setcurrmenu(menu);
previtem = item;
- } else if (menu->selected != item)
+ drawmenu();
+ } else if (menu->selected != item) {
menu->selected = item;
- drawmenu();
+ drawmenu();
+ }
}
break;
case ButtonRelease:
getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item);
if (menu != NULL && item != NULL) {
+selectitem:
if (item->label == NULL)
break; /* ignore separators */
if (item->submenu != NULL) {
setcurrmenu(item->submenu);
} else {
printf("%s\n", item->output);
- cleanupexit();
+ return;
}
+ currmenu->selected = currmenu->list;
drawmenu();
+ break;
} else {
- cleanupexit();
+ return;
}
+ case ButtonPress:
+ getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item);
+ if (menu == NULL || item == NULL)
+ return;
+ break;
+ case KeyPress:
+ ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0);
+
+ if (ksym == XK_Escape && currmenu == rootmenu)
+ return;
+
+ /* Shift-Tab = ISO_Left_Tab */
+ if (ksym == XK_Tab && (ev.xkey.state & ShiftMask))
+ ksym = XK_ISO_Left_Tab;
+
+ /* cycle through menu */
+ item = NULL;
+ if (ksym == XK_ISO_Left_Tab || ksym == XK_Up) {
+ item = itemcycle(ITEMPREV);
+ } else if (ksym == XK_Tab || ksym == XK_Down) {
+ item = itemcycle(ITEMNEXT);
+ } else if ((ksym == XK_Return || ksym == XK_Right) &&
+ currmenu->selected != NULL) {
+ item = currmenu->selected;
+ goto selectitem;
+ } else if ((ksym == XK_Escape || ksym == XK_Left) &&
+ currmenu->parent != NULL) {
+ item = currmenu->parent->selected;
+ setcurrmenu(currmenu->parent);
+ } else
+ break;
+ currmenu->selected = item;
+ drawmenu();
break;
case LeaveNotify:
currmenu->selected = NULL;
freewindow(item->submenu);
XFreePixmap(dpy, menu->pixmap);
+ XftDrawDestroy(menu->draw);
XDestroyWindow(dpy, menu->win);
}
/* cleanup and exit */
static void
-cleanupexit(void)
+cleanup(void)
{
freewindow(rootmenu);
- XFreeFont(dpy, dc.font);
+
+ XftColorFree(dpy, visual, colormap, &dc.normal[ColorBG]);
+ XftColorFree(dpy, visual, colormap, &dc.normal[ColorFG]);
+ XftColorFree(dpy, visual, colormap, &dc.selected[ColorBG]);
+ XftColorFree(dpy, visual, colormap, &dc.selected[ColorFG]);
+ XftColorFree(dpy, visual, colormap, &dc.decoration[ColorBG]);
+ XftColorFree(dpy, visual, colormap, &dc.decoration[ColorFG]);
+
XFreeGC(dpy, dc.gc);
XCloseDisplay(dpy);
- exit(0);
}
/* show usage */
static void
usage(void)
{
- (void)fprintf(stderr, "usage: xmenu [-w] menuname\n");
+ (void)fprintf(stderr, "usage: xmenu [-w]\n");
exit(1);
}