#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
+#include <X11/Xresource.h>
+#include <X11/XKBlib.h>
+#include <X11/Xft/Xft.h>
+#include <Imlib2.h>
+
+#define PROGNAME "xmenu"
+#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 border;
+ XftColor separator;
- Drawable d;
GC gc;
- XFontStruct *font;
- int fonth;
+ XftFont *font;
};
/* menu geometry structure */
struct Geometry {
- int itemb; /* item border */
- int itemw; /* item width */
- int itemh; /* item height */
- int border; /* window border */
-};
-
-/* screen geometry structure */
-struct ScreenGeometry {
+ int border; /* window border width */
+ int separator; /* menu separator width */
+ int itemw, itemh; /* item width and height */
int cursx, cursy; /* cursor position */
int screenw, screenh; /* screen width and height */
};
/* menu item structure */
struct Item {
- char *label;
- char *output;
- int x, y;
- struct Item *next;
- struct Menu *submenu;
+ char *label; /* string to be drawed on menu */
+ char *output; /* string to be outputed when item is clicked */
+ char *file; /* filename of the icon */
+ 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 */
+ Imlib_Image icon;
};
/* menu structure */
struct Menu {
- struct Menu *parent;
- struct Item *list;
- struct Item *selected;
- int x, y, w, h;
- unsigned level;
- unsigned nitems;
- 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);
+/* functions declarations */
+static void getresources(void);
+static void getcolor(const char *s, XftColor *color);
static void setupdc(void);
-static void setupgeom(void);
-static void setupgrab(void);
-static struct Item *allocitem(size_t count, const char *label, const char *output);
+static void calcgeom(struct Geometry *geom);
+static struct Item *allocitem(const char *label, const char *output, char *file);
static struct Menu *allocmenu(struct Menu *parent, struct Item *list, unsigned level);
-static void getmenuitem(Window win, int x, int y,
- struct Menu **menu_ret, struct Item **item_ret);
-static void drawmenu(void);
-static void calcscreengeom(void);
-static void calcmenu(struct Menu *menu);
-static void setcurrmenu(struct Menu *currmenu_new);
-static void parsestdin(void);
-static void run(void);
-static void cleanupexit(void);
+static struct Menu *buildmenutree(unsigned level, const char *label, const char *output, char *file);
+static struct Menu *parsestdin(void);
+static Imlib_Image loadicon(const char *file, int size);
+static void setupmenusize(struct Geometry *geom, struct Menu *menu);
+static void setupmenupos(struct Geometry *geom, struct Menu *menu);
+static void setupmenu(struct Geometry *geom, struct Menu *menu, XClassHint *classh);
+static void grabpointer(void);
+static void grabkeyboard(void);
+static struct Menu *getmenu(struct Menu *currmenu, Window win);
+static struct Item *getitem(struct Menu *menu, int y);
+static void mapmenu(struct Menu *currmenu);
+static void drawseparator(struct Menu *menu, struct Item *item);
+static void drawitem(struct Menu *menu, struct Item *item, XftColor *color);
+static void drawmenu(struct Menu *currmenu);
+static struct Item *itemcycle(struct Menu *currmenu, int direction);
+static void run(struct Menu *currmenu);
+static void freemenu(struct Menu *menu);
+static void cleanup(void);
static void usage(void);
-/* X variables */
-static Colormap colormap;
+/* X stuff */
static Display *dpy;
-static Window rootwin;
static int screen;
+static Visual *visual;
+static Window rootwin;
+static Colormap colormap;
static struct DC dc;
+static Atom wmdelete;
-/* menu variables */
-static struct Menu *rootmenu = NULL;
-static struct Menu *currmenu = NULL;
-
-/* geometry variables */
-static struct Geometry geom;
-static struct ScreenGeometry sgeom;
-
-/* flag variables */
-static Bool override_redirect = True;
+/* flags */
+static int wflag = 0; /* whether to let the window manager control XMenu */
#include "config.h"
+/* xmenu: generate menu from stdin and print selected entry to stdout */
int
main(int argc, char *argv[])
{
+ struct Menu *rootmenu;
+ struct Geometry geom;
+ XClassHint classh;
int ch;
while ((ch = getopt(argc, argv, "w")) != -1) {
switch (ch) {
case 'w':
- override_redirect = False;
+ wflag = 1;
break;
default:
usage();
argc -= optind;
argv += optind;
+ if (argc > 1)
+ usage();
+
/* open connection to server and set X variables */
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);
+ wmdelete=XInternAtom(dpy, "WM_DELETE_WINDOW", True);
+
+ /* imlib2 stuff */
+ imlib_set_cache_size(2048 * 1024);
+ imlib_context_set_dither(1);
+ imlib_context_set_display(dpy);
+ imlib_context_set_visual(visual);
+ imlib_context_set_colormap(colormap);
/* setup */
+ getresources();
setupdc();
- setupgeom();
- setupgrab();
+ calcgeom(&geom);
- /* generate menus and recalculate them */
- parsestdin();
+ /* set window class */
+ classh.res_class = PROGNAME;
+ if (argc == 1)
+ classh.res_name = *argv;
+ else
+ classh.res_name = PROGNAME;
+
+ /* generate menus and set them up */
+ rootmenu = parsestdin();
if (rootmenu == NULL)
errx(1, "no menu generated");
- calcscreengeom();
- calcmenu(rootmenu);
+ setupmenu(&geom, rootmenu, &classh);
+
+ /* grab mouse and keyboard */
+ if (!wflag) {
+ grabpointer();
+ grabkeyboard();
+ }
/* run event loop */
- run();
+ run(rootmenu);
- return 1; /* UNREACHABLE */
+ /* freeing stuff */
+ freemenu(rootmenu);
+ 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;
+ char *type;
+ XrmDatabase xdb;
+ XrmValue xval;
+
+ XrmInitialize();
+ if ((xrm = XResourceManagerString(dpy)) == NULL)
+ return;
+
+ xdb = XrmGetStringDatabase(xrm);
+
+ if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ border_pixels = n;
+ if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ separator_pixels = n;
+ if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ height_pixels = n;
+ if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True)
+ if ((n = strtol(xval.addr, NULL, 10)) > 0)
+ width_pixels = n;
+ if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True)
+ background_color = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True)
+ foreground_color = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True)
+ selbackground_color = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True)
+ selforeground_color = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True)
+ separator_color = strdup(xval.addr);
+ if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True)
+ border_color = 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_color, &dc.normal[ColorBG]);
+ getcolor(foreground_color, &dc.normal[ColorFG]);
+ getcolor(selbackground_color, &dc.selected[ColorBG]);
+ getcolor(selforeground_color, &dc.selected[ColorFG]);
+ getcolor(separator_color, &dc.separator);
+ getcolor(border_color, &dc.border);
/* 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 common GC */
dc.gc = XCreateGC(dpy, rootwin, 0, NULL);
- XSetFont(dpy, dc.gc, dc.font->fid);
}
-/* init menu geometry values */
+/* calculate menu and screen geometry */
static void
-setupgeom(void)
+calcgeom(struct Geometry *geom)
{
- geom.itemb = ITEMB;
- geom.itemh = dc.fonth + ITEMB * 2;
- geom.itemw = ITEMW;
- geom.border = BORDER;
-}
+ Window w1, w2; /* unused variables */
+ int a, b; /* unused variables */
+ unsigned mask; /* unused variable */
-/* grab pointer */
-static void
-setupgrab(void)
-{
- XGrabPointer(dpy, rootwin, True, ButtonPressMask | ButtonReleaseMask,
- GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
+ XQueryPointer(dpy, rootwin, &w1, &w2, &geom->cursx, &geom->cursy, &a, &b, &mask);
+ geom->screenw = DisplayWidth(dpy, screen);
+ geom->screenh = DisplayHeight(dpy, screen);
+ geom->itemh = height_pixels;
+ geom->itemw = width_pixels;
+ geom->border = border_pixels;
+ geom->separator = separator_pixels;
}
/* allocate an item */
static struct Item *
-allocitem(size_t count, const char *label, const char *output)
+allocitem(const char *label, const char *output, char *file)
{
struct Item *item;
if ((item = malloc(sizeof *item)) == NULL)
err(1, "malloc");
- if ((item->label = strdup(label)) == NULL)
- err(1, "strdup");
- if ((item->output = strdup(output)) == NULL)
- err(1, "strdup");
- item->x = 0;
- item->y = count * geom.itemh;
+ if (label == NULL) {
+ item->label = NULL;
+ item->output = NULL;
+ } else {
+ if ((item->label = strdup(label)) == NULL)
+ err(1, "strdup");
+ if (label == output) {
+ item->output = item->label;
+ } else {
+ if ((item->output = strdup(output)) == NULL)
+ err(1, "strdup");
+ }
+ }
+ if (file == NULL) {
+ item->file = NULL;
+ } else {
+ if ((item->file = strdup(file)) == NULL)
+ err(1, "strdup");
+ }
+ item->y = 0;
+ item->h = 0;
+ if (item->label == NULL)
+ item->labellen = 0;
+ else
+ item->labellen = strlen(item->label);
item->next = NULL;
item->submenu = NULL;
+ item->icon = NULL;
return item;
}
err(1, "malloc");
menu->parent = parent;
menu->list = list;
+ menu->caller = NULL;
menu->selected = NULL;
- menu->x = 0;
- menu->y = 0;
- menu->w = geom.itemw;
- menu->h = geom.itemh;
+ menu->w = 0; /* calculated by setupmenu() */
+ menu->h = 0; /* calculated by setupmenu() */
+ menu->x = 0; /* calculated by setupmenu() */
+ menu->y = 0; /* calculated by setupmenu() */
menu->level = level;
- menu->nitems = 0;
- swa.override_redirect = override_redirect;
- swa.background_pixel = dc.decoration[ColorBG];
- swa.border_pixel = dc.decoration[ColorFG];
+ swa.override_redirect = (wflag) ? False : True;
+ swa.background_pixel = dc.normal[ColorBG].pixel;
+ swa.border_pixel = dc.border.pixel;
+ swa.save_under = True; /* pop-up windows should save_under*/
swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask
- | PointerMotionMask;
- menu->win = XCreateWindow(dpy, rootwin, 0, 0, geom.itemw, geom.itemh, geom.border,
+ | PointerMotionMask | LeaveWindowMask;
+ if (wflag)
+ swa.event_mask |= StructureNotifyMask;
+ menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0,
CopyFromParent, CopyFromParent, CopyFromParent,
- CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWEventMask,
+ CWOverrideRedirect | CWBackPixel |
+ CWBorderPixel | CWEventMask | CWSaveUnder,
&swa);
+ XSetWMProtocols(dpy, menu->win, &wmdelete, 1);
+
return menu;
}
+/* build the menu tree */
+static struct Menu *
+buildmenutree(unsigned level, const char *label, const char *output, char *file)
+{
+ static struct Menu *prevmenu = NULL; /* menu the previous item was added to */
+ static struct Menu *rootmenu = NULL; /* menu to be returned */
+ struct Item *curritem = NULL; /* item currently being read */
+ struct Item *item; /* dummy item for loops */
+ struct Menu *menu; /* dummy menu for loops */
+ unsigned i;
+
+ /* create the item */
+ curritem = allocitem(label, output, file);
+
+ /* put the item in the menu tree */
+ if (prevmenu == NULL) { /* there is no menu yet */
+ menu = allocmenu(NULL, curritem, level);
+ rootmenu = menu;
+ prevmenu = menu;
+ curritem->prev = NULL;
+ } else if (level < prevmenu->level) { /* item is continuation of a parent menu */
+ /* go up the menu tree until find the menu this item continues */
+ for (menu = prevmenu, i = level;
+ menu != NULL && i != prevmenu->level;
+ menu = menu->parent, i++)
+ ;
+ if (menu == NULL)
+ errx(1, "reached NULL menu");
+
+ /* find last item in the new menu */
+ for (item = menu->list; item->next != NULL; item = item->next)
+ ;
+
+ prevmenu = menu;
+ item->next = curritem;
+ curritem->prev = item;
+ } else if (level == prevmenu->level) { /* item is a continuation of current menu */
+ /* find last item in the previous menu */
+ for (item = prevmenu->list; item->next != NULL; item = item->next)
+ ;
+
+ item->next = curritem;
+ curritem->prev = item;
+ } else if (level > prevmenu->level) { /* item begins a new menu */
+ menu = allocmenu(prevmenu, curritem, level);
+
+ /* find last item in the previous menu */
+ for (item = prevmenu->list; item->next != NULL; item = item->next)
+ ;
+
+ prevmenu = menu;
+ menu->caller = item;
+ item->submenu = menu;
+ curritem->prev = NULL;
+ }
+
+ return rootmenu;
+}
+
/* create menus and items from the stdin */
-static void
+static struct Menu *
parsestdin(void)
{
+ struct Menu *rootmenu;
char *s, buf[BUFSIZ];
- char *label, *output;
+ char *file, *label, *output;
unsigned level = 0;
- unsigned i;
- struct Item *item, *p;
- struct Menu *menu;
- struct Menu *prevmenu = NULL;
- size_t count = 0; /* number of items in the current menu */
+
+ rootmenu = NULL;
while (fgets(buf, BUFSIZ, stdin) != NULL) {
- level = 0;
- s = buf;
+ /* get the indentation level */
+ level = strspn(buf, "\t");
+
+ /* get the label */
+ s = level + buf;
+ label = strtok(s, "\t\n");
+
+ /* get the filename */
+ file = NULL;
+ if (label != NULL && strncmp(label, "IMG:", 4) == 0) {
+ file = label + 4;
+ label = strtok(NULL, "\t\n");
+ }
- while (*s == '\t') {
- level++;
- s++;
+ /* get the output */
+ output = strtok(NULL, "\n");
+ if (output == NULL) {
+ output = label;
+ } else {
+ while (*output == '\t')
+ output++;
}
- label = output = s;
+ rootmenu = buildmenutree(level, label, output, file);
+ }
- while (*s != '\0' && *s != '\t' && *s != '\n')
- s++;
+ return rootmenu;
+}
- while (*s == '\t')
- *s++ = '\0';
+/* load and scale icon */
+static Imlib_Image
+loadicon(const char *file, int size)
+{
+ Imlib_Image icon;
+ int width;
+ int height;
+ int imgsize;
- if (*s != '\0' && *s != '\n')
- output = s;
+ icon = imlib_load_image(file);
+ if (icon == NULL)
+ errx(1, "cannot load icon %s", file);
- while (*s != '\0' && *s != '\n')
- s++;
+ imlib_context_set_image(icon);
- if (*s == '\n')
- *s = '\0';
+ width = imlib_image_get_width();
+ height = imlib_image_get_height();
+ imgsize = MIN(width, height);
- item = allocitem(count, label, output);
+ icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, size, size);
- if (prevmenu == NULL) { /* there is no menu yet */
- menu = allocmenu(NULL, item, level);
- rootmenu = menu;
- prevmenu = menu;
- count = 1;
- } else if (level < prevmenu->level) { /* item is continuation of a parent menu*/
- for (menu = prevmenu, i = level;
- menu != NULL && i < prevmenu->level;
- menu = menu->parent, i++)
- ;
+ return icon;
+}
- if (menu == NULL)
- errx(1, "reached NULL menu");
+/* setup the size of a menu and the position of its items */
+static void
+setupmenusize(struct Geometry *geom, struct Menu *menu)
+{
+ XGlyphInfo ext;
+ struct Item *item;
+ int labelwidth;
- for (p = menu->list; p->next != NULL; p = p->next)
- ;
+ menu->w = geom->itemw;
+ for (item = menu->list; item != NULL; item = item->next) {
+ item->y = menu->h;
- p->next = item;
- prevmenu = menu;
- } else if (level == prevmenu->level) { /* item is a continuation of current menu */
- for (p = prevmenu->list; p->next != NULL; p = p->next)
- ;
- p->next = item;
- } else if (level > prevmenu->level) { /* item begins a new menu */
- menu = allocmenu(prevmenu, item, level);
+ if (item->label == NULL) /* height for separator item */
+ item->h = geom->separator;
+ else
+ item->h = geom->itemh;
+ menu->h += item->h;
- for (p = prevmenu->list; p->next != NULL; p = p->next)
- ;
+ /* get length of item->label rendered in the font */
+ XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label,
+ item->labellen, &ext);
- p->submenu = menu;
+ /* set menu width */
+ labelwidth = ext.xOff + item->h * 2;
+ menu->w = MAX(menu->w, labelwidth);
- prevmenu = menu;
- }
+ /* create icon */
+ if (item->file != NULL)
+ item->icon = loadicon(item->file, item->h - iconpadding * 2);
}
}
-/* calculate screen geometry */
+/* setup the position of a menu */
static void
-calcscreengeom(void)
+setupmenupos(struct Geometry *g, struct Menu *menu)
{
- Window w1, w2; /* unused variables */
- int a, b; /* unused variables */
- unsigned mask; /* unused variable */
-
- XQueryPointer(dpy, rootwin, &w1, &w2, &sgeom.cursx, &sgeom.cursy, &a, &b, &mask);
- sgeom.screenw = DisplayWidth(dpy, screen);
- sgeom.screenh = DisplayHeight(dpy, screen);
+ static struct Geometry *geom = NULL;
+ int width, height;
+
+ /*
+ * Save the geometry so functions can call setupmenupos() without
+ * having to know the geometry.
+ */
+ if (g != NULL)
+ geom = g;
+
+ width = menu->w + geom->border * 2;
+ height = menu->h + geom->border * 2;
+ if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */
+ if (geom->screenw - geom->cursx >= menu->w)
+ menu->x = geom->cursx;
+ else if (geom->cursx > width)
+ menu->x = geom->cursx - width;
+
+ if (geom->screenh - geom->cursy >= height)
+ menu->y = geom->cursy;
+ else if (geom->screenh > height)
+ menu->y = geom->screenh - height;
+ } else { /* else, calculate in respect to parent menu */
+ if (geom->screenw - (menu->parent->x + menu->parent->w + geom->border) >= width)
+ 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 (geom->screenh - (menu->caller->y + menu->parent->y) > height)
+ menu->y = menu->caller->y + menu->parent->y;
+ else if (geom->screenh - menu->parent->y > height)
+ menu->y = menu->parent->y;
+ else if (geom->screenh > height)
+ menu->y = geom->screenh - height;
+ }
}
-/* recursivelly calculate height and position of the menus */
+/* recursivelly setup menu configuration and its pixmap */
static void
-calcmenu(struct Menu *menu)
+setupmenu(struct Geometry *geom, struct Menu *menu, XClassHint *classh)
{
+ struct Item *item;
XWindowChanges changes;
- struct Item *item, *p;
- size_t i;
+ XSizeHints sizeh;
+ XTextProperty wintitle;
- /* calculate number of items */
- i = 0;
- for (item = menu->list; item != NULL; item = item->next)
- i++;
- menu->nitems = i;
- menu->h = geom.itemh * i;
-
- /* calculate menu's x and y positions */
- if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */
- if (sgeom.screenw - sgeom.cursx >= menu->w)
- menu->x = sgeom.cursx;
- else if (sgeom.cursx > menu->w)
- menu->x = sgeom.cursx - menu->w;
-
- if (sgeom.screenh - sgeom.cursy >= menu->h)
- menu->y = sgeom.cursy;
- else if (sgeom.screenh > menu->h)
- menu->y = sgeom.screenh - menu->h;
- } else { /* else, calculate in respect to parent menu */
-
- /* search for the item in parent menu that generates this menu */
- for (p = menu->parent->list; p->submenu != menu; p = p->next)
- ;
-
- if (sgeom.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 (sgeom.screenh - p->y > menu->h)
- menu->y = p->y;
- else if (sgeom.screenh - menu->parent->y > menu->h)
- menu->y = menu->parent->y;
- else if (sgeom.screenh > menu->h)
- menu->y = sgeom.screenh - menu->h;
- }
-
- /* calculate position of each item in the menu */
- for (i = 0, item = menu->list; item != NULL; item = item->next, i++) {
- item->x = menu->x;
- item->y = menu->y + i * geom.itemh;
- }
+ /* setup size and position of menus */
+ setupmenusize(geom, menu);
+ setupmenupos(geom, menu);
/* update menu geometry */
+ changes.border_width = geom->border;
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, CWBorderWidth | CWWidth | CWHeight | CWX | CWY, &changes);
+ /* set window title (used if wflag is on) */
+ if (menu->parent == NULL) {
+ XStringListToTextProperty(&classh->res_name, 1, &wintitle);
+ } else {
+ XStringListToTextProperty(&menu->caller->output, 1, &wintitle);
+ }
+
+ /* set window manager hints */
+ sizeh.flags = PMaxSize | PMinSize;
+ sizeh.min_width = sizeh.max_width = menu->w;
+ sizeh.min_height = sizeh.max_height = menu->h;
+ XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh);
+
+ /* 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) {
if (item->submenu != NULL)
- calcmenu(item->submenu);
+ setupmenu(geom, item->submenu, classh);
}
}
-/* get menu and item of given window and position */
+/* try to grab pointer, we may have to wait for another process to ungrab */
static void
-getmenuitem(Window win, int x, int y,
- struct Menu **menu_ret, struct Item **item_ret)
+grabpointer(void)
{
- struct Menu *menu = NULL;
- struct Item *item = NULL;
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
+ int i;
+
+ for (i = 0; i < 1000; i++) {
+ if (XGrabPointer(dpy, rootwin, True, ButtonPressMask,
+ GrabModeAsync, GrabModeAsync, None,
+ None, CurrentTime) == GrabSuccess)
+ return;
+ nanosleep(&ts, NULL);
+ }
+ errx(1, "cannot grab keyboard");
+}
- for (menu = currmenu; menu != NULL; menu = menu->parent) {
- if (menu->win == win) {
- for (item = menu->list; item != NULL; item = item->next) {
- if (x >= item->x && x <= item->x + geom.itemw &&
- y >= item->y && y <= item->y + geom.itemh) {
- goto done;
- }
- }
- }
+/* try to grab keyboard, we may have to wait for another process to ungrab */
+static void
+grabkeyboard(void)
+{
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
+ int i;
+
+ for (i = 0; i < 1000; i++) {
+ if (XGrabKeyboard(dpy, rootwin, True, GrabModeAsync,
+ GrabModeAsync, CurrentTime) == GrabSuccess)
+ return;
+ nanosleep(&ts, NULL);
}
+ errx(1, "cannot grab keyboard");
+}
+
+/* get menu of given window */
+static struct Menu *
+getmenu(struct Menu *currmenu, Window win)
+{
+ struct Menu *menu;
+
+ for (menu = currmenu; menu != NULL; menu = menu->parent)
+ if (menu->win == win)
+ return menu;
+
+ return NULL;
+}
+
+/* get item of given menu and position */
+static struct Item *
+getitem(struct Menu *menu, int y)
+{
+ struct Item *item;
+
+ if (menu == NULL)
+ return NULL;
+ for (item = menu->list; item != NULL; item = item->next)
+ if (y >= item->y && y <= item->y + item->h)
+ return item;
-done:
- *menu_ret = menu;
- *item_ret = item;
+ return NULL;
}
-/* set currentmenu to menu, umap previous menus and map current menu and its parents */
+/* umap previous menus and map current menu and its parents */
static void
-setcurrmenu(struct Menu *currmenu_new)
+mapmenu(struct Menu *currmenu)
{
- struct Menu *menu;
+ static struct Menu *prevmenu = NULL;
+ struct Menu *menu, *menu_;
+ 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 */
+
+ /* do not remap current menu if it wasn't updated*/
+ if (prevmenu == currmenu)
+ return;
- if (currmenu_new == currmenu)
+ /* if this is the first time mapping, skip calculations */
+ if (prevmenu == NULL) {
+ XMapWindow(dpy, currmenu->win);
+ prevmenu = currmenu;
return;
+ }
- for (menu = currmenu; menu != NULL; menu = menu->parent) {
+ /* find lowest common ancestor menu */
+ minlevel = MIN(currmenu->level, prevmenu->level);
+ maxlevel = MAX(currmenu->level, prevmenu->level);
+ if (currmenu->level == maxlevel) {
+ menu = currmenu;
+ menu_ = prevmenu;
+ } else {
+ menu = prevmenu;
+ menu_ = currmenu;
+ }
+ 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 = prevmenu; menu != lcamenu; menu = menu->parent) {
+ menu->selected = NULL;
XUnmapWindow(dpy, menu->win);
}
- currmenu = currmenu_new;
+ /* map menus from currmenu (inclusive) until lcamenu (exclusive) */
+ for (menu = currmenu; menu != lcamenu; menu = menu->parent) {
+
+ if (wflag) {
+ setupmenupos(NULL, menu);
+ XMoveWindow(dpy, menu->win, menu->x, menu->y);
+ }
- for (menu = currmenu; menu != NULL; menu = menu->parent)
XMapWindow(dpy, menu->win);
+ }
+
+ prevmenu = currmenu;
+}
+
+/* draw separator item */
+static void
+drawseparator(struct Menu *menu, struct Item *item)
+{
+ int y;
+
+ y = item->y + item->h/2;
+
+ XSetForeground(dpy, dc.gc, dc.separator.pixel);
+ XDrawLine(dpy, menu->pixmap, dc.gc, 0, y, menu->w, y);
+}
+
+/* draw regular item */
+static void
+drawitem(struct Menu *menu, struct Item *item, XftColor *color)
+{
+ int x, y;
+
+ x = item->h;
+ y = item->y + (item->h + dc.font->ascent) / 2;
+ XSetForeground(dpy, dc.gc, color[ColorFG].pixel);
+ XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font,
+ x, y, item->label, item->labellen);
+
+ /* draw triangle, if item contains a submenu */
+ if (item->submenu != NULL) {
+ x = menu->w - (item->h + triangle_width + 1) / 2;
+ y = item->y + (item->h - triangle_height + 1) / 2;
+
+ XPoint triangle[] = {
+ {x, y},
+ {x + triangle_width, y + triangle_height/2},
+ {x, y + triangle_height},
+ {x, y}
+ };
+
+ XFillPolygon(dpy, menu->pixmap, dc.gc, triangle, LEN(triangle),
+ Convex, CoordModeOrigin);
+ }
+
+ /* draw icon */
+ if (item->file != NULL) {
+ x = iconpadding;
+ y = item->y + iconpadding;
+ imlib_context_set_drawable(menu->pixmap);
+ imlib_context_set_image(item->icon);
+ imlib_render_image_on_drawable(x, y);
+ }
}
/* draw items of the current menu and of its ancestors */
static void
-drawmenu(void)
+drawmenu(struct Menu *currmenu)
{
struct Menu *menu;
struct Item *item;
for (menu = currmenu; menu != NULL; menu = menu->parent) {
- size_t nitems; /* number of items before current item */
-
- nitems = 0;
for (item = menu->list; item != NULL; item = item->next) {
- unsigned long *color;
- size_t labellen;
- int labelx, labely;
- int y;
+ XftColor *color;
/* determine item color */
- if (item == menu->selected)
- color = dc.pressed;
+ if (item == menu->selected && item->label != NULL)
+ color = dc.selected;
else
- color = dc.unpressed;
-
- /* calculate item's y position */
- y = nitems * geom.itemh;
+ color = dc.normal;
/* draw item box */
- XSetForeground(dpy, dc.gc, color[ColorBG]);
- XFillRectangle(dpy, menu->win, dc.gc, 0, y,
- geom.itemw, geom.itemh);
-
- /* draw item label */
- labellen = strlen(item->label);
- labelx = 0 + dc.fonth;
- labely = y + dc.fonth + geom.itemb;
- XSetForeground(dpy, dc.gc, color[ColorFG]);
- XDrawString(dpy, menu->win, dc.gc, labelx, labely, item->label, labellen);
-
- /* draw triangle, if item contains a submenu */
- if (item->submenu != NULL) {
- int trianglex = geom.itemw - (geom.itemb + dc.fonth);
- int triangley = y + geom.itemb;
-
- XPoint triangle[] = {
- {trianglex, triangley},
- {trianglex + dc.fonth, triangley + dc.fonth/2},
- {trianglex, triangley + dc.fonth},
- {trianglex, triangley}
- };
-
- XFillPolygon(dpy, menu->win, dc.gc, triangle, LEN(triangle),
- Convex, CoordModeOrigin);
- }
-
- nitems++;
+ XSetForeground(dpy, dc.gc, color[ColorBG].pixel);
+ XFillRectangle(dpy, menu->pixmap, dc.gc, 0, item->y,
+ menu->w, item->h);
+
+ if (item->label == NULL) /* item is a separator */
+ drawseparator(menu, item);
+ else /* item is a regular item */
+ drawitem(menu, item, color);
}
+
+ XCopyArea(dpy, menu->pixmap, menu->win, dc.gc, 0, 0,
+ menu->w, menu->h, 0, 0);
}
}
+/* cycle through the items; non-zero direction is next, zero is prev */
+static struct Item *
+itemcycle(struct Menu *currmenu, 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)
+run(struct Menu *currmenu)
{
struct Menu *menu;
struct Item *item;
struct Item *previtem = NULL;
+ KeySym ksym;
XEvent ev;
- setcurrmenu(rootmenu);
+ mapmenu(currmenu);
while (!XNextEvent(dpy, &ev)) {
switch(ev.type) {
case Expose:
- drawmenu();
+ if (ev.xexpose.count == 0)
+ drawmenu(currmenu);
break;
case MotionNotify:
- getmenuitem(ev.xbutton.window, ev.xbutton.x_root, ev.xbutton.y_root,
- &menu, &item);
- if (menu != NULL && item != NULL) {
- if (previtem != item) {
- if (item->submenu != NULL)
- setcurrmenu(item->submenu);
- else
- setcurrmenu(menu);
- previtem = item;
- } else if (menu->selected != item)
- menu->selected = item;
+ menu = getmenu(currmenu, ev.xbutton.window);
+ item = getitem(menu, ev.xbutton.y);
+ if (menu == NULL || item == NULL || previtem == item)
+ break;
+ previtem = item;
+ menu->selected = item;
+ if (item->submenu != NULL) {
+ currmenu = item->submenu;
+ currmenu->selected = NULL;
+ } else {
+ currmenu = menu;
}
- drawmenu();
+ mapmenu(currmenu);
+ drawmenu(currmenu);
break;
case ButtonRelease:
- getmenuitem(ev.xbutton.window, ev.xbutton.x_root, ev.xbutton.y_root,
- &menu, &item);
- if (menu != NULL && item != NULL) {
- if (item->submenu != NULL) {
- setcurrmenu(item->submenu);
- } else {
- printf("%s\n", item->output);
- cleanupexit();
- }
- drawmenu();
+ menu = getmenu(currmenu, ev.xbutton.window);
+ item = getitem(menu, ev.xbutton.y);
+ if (menu == NULL || item == NULL)
+ break;
+selectitem:
+ if (item->label == NULL)
+ break; /* ignore separators */
+ if (item->submenu != NULL) {
+ currmenu = item->submenu;
} else {
- cleanupexit();
+ printf("%s\n", item->output);
+ return;
}
+ mapmenu(currmenu);
+ currmenu->selected = currmenu->list;
+ drawmenu(currmenu);
+ break;
+ case ButtonPress:
+ menu = getmenu(currmenu, ev.xbutton.window);
+ if (menu == NULL)
+ return;
+ break;
+ case KeyPress:
+ ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0);
+
+ /* esc closes xmenu when current menu is the root menu */
+ if (ksym == XK_Escape && currmenu->parent == NULL)
+ 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(currmenu, ITEMPREV);
+ } else if (ksym == XK_Tab || ksym == XK_Down) {
+ item = itemcycle(currmenu, 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;
+ currmenu = currmenu->parent;
+ mapmenu(currmenu);
+ } else
+ break;
+ currmenu->selected = item;
+ drawmenu(currmenu);
+ break;
+ case LeaveNotify:
+ previtem = NULL;
+ currmenu->selected = NULL;
+ drawmenu(currmenu);
+ break;
+ case ConfigureNotify:
+ menu = getmenu(currmenu, ev.xconfigure.window);
+ if (menu == NULL)
+ break;
+ menu->x = ev.xconfigure.x;
+ menu->y = ev.xconfigure.y;
+ break;
+ case ClientMessage:
+ /* user closed window */
+ menu = getmenu(currmenu, ev.xclient.window);
+ if (menu->parent == NULL)
+ return; /* closing the root menu closes the program */
+ currmenu = menu->parent;
+ mapmenu(currmenu);
break;
}
}
}
+/* recursivelly free pixmaps and destroy windows */
+static void
+freemenu(struct Menu *menu)
+{
+ struct Item *item;
+ struct Item *tmp;
+
+ item = menu->list;
+ while (item != NULL) {
+ if (item->submenu != NULL)
+ freemenu(item->submenu);
+ tmp = item;
+ if (tmp->label != tmp->output)
+ free(tmp->label);
+ free(tmp->output);
+ if (tmp->file != NULL) {
+ free(tmp->file);
+ if (tmp->icon != NULL) {
+ imlib_context_set_image(tmp->icon);
+ imlib_free_image();
+ }
+ }
+ item = item->next;
+ free(tmp);
+ }
+
+ XFreePixmap(dpy, menu->pixmap);
+ XftDrawDestroy(menu->draw);
+ XDestroyWindow(dpy, menu->win);
+ free(menu);
+}
+
/* cleanup and exit */
static void
-cleanupexit(void)
+cleanup(void)
{
+ XUngrabPointer(dpy, CurrentTime);
+ XUngrabKeyboard(dpy, CurrentTime);
+
+ 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.separator);
+ XftColorFree(dpy, visual, colormap, &dc.border);
+
+ 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] [title]\n");
exit(1);
}