#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
+#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/Xresource.h>
#include <X11/XKBlib.h>
#include <X11/Xft/Xft.h>
#include <Imlib2.h>
-#include <time.h>
+#include "xmenu.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 {
- XftColor normal[ColorLast];
- XftColor selected[ColorLast];
- XftColor border;
- XftColor separator;
-
- GC gc;
- XftFont *font;
-};
-
-/* menu geometry structure */
-struct Geometry {
- 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; /* 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; /* 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 */
-};
-
-/* functions declarations */
-static void getresources(void);
-static void getcolor(const char *s, XftColor *color);
-static void setupdc(void);
-static void calcgeom(struct Geometry *geom);
+/*
+ * Function declarations
+ */
+
+/* initializers, and their helper routines */
+static void ealloccolor(const char *s, XftColor *color);
+static void initresources(void);
+static void initdc(void);
+static void initscreengeom(void);
+static void initatoms(void);
+
+/* structure builders, and their helper routines */
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 struct Menu *buildmenutree(unsigned level, const char *label, const char *output, char *file);
static struct Menu *parsestdin(void);
+
+/* image loader */
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);
+
+/* structure setters, and their helper routines */
+static void setupmenusize(struct Menu *menu);
+static void setupmenupos(struct Menu *menu);
+static void setupmenu(struct Menu *menu, XClassHint *classh);
+
+/* grabbers */
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);
+
+/* window drawers and mappers */
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);
+
+/* main event loop, and its helper routines */
+static struct Menu *getmenu(struct Menu *currmenu, Window win);
+static struct Item *getitem(struct Menu *menu, int y);
static struct Item *itemcycle(struct Menu *currmenu, int direction);
static void run(struct Menu *currmenu);
-static void freemenu(struct Menu *menu);
+
+/* cleaners */
+static void cleanmenu(struct Menu *menu);
static void cleanup(void);
+
+/* show usage */
static void usage(void);
+
+/*
+ * Variable declarations
+ */
+
/* X stuff */
static Display *dpy;
static int screen;
static Window rootwin;
static Colormap colormap;
static struct DC dc;
+static Atom utf8string;
static Atom wmdelete;
+static Atom netatom[NetLast];
/* flags */
static int wflag = 0; /* whether to let the window manager control XMenu */
+/* include config variable */
#include "config.h"
+
+/*
+ * Function implementations
+ */
+
/* 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;
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_visual(visual);
imlib_context_set_colormap(colormap);
- /* setup */
- getresources();
- setupdc();
- calcgeom(&geom);
+ /* initializers */
+ initresources();
+ initdc();
+ initscreengeom();
+ initatoms();
/* set window class */
classh.res_class = PROGNAME;
rootmenu = parsestdin();
if (rootmenu == NULL)
errx(1, "no menu generated");
- setupmenu(&geom, rootmenu, &classh);
+ setupmenu(rootmenu, &classh);
/* grab mouse and keyboard */
if (!wflag) {
run(rootmenu);
/* freeing stuff */
- freemenu(rootmenu);
+ cleanmenu(rootmenu);
cleanup();
return 0;
}
+/* get color from color string */
+static void
+ealloccolor(const char *s, XftColor *color)
+{
+ if(!XftColorAllocName(dpy, visual, colormap, s, color))
+ errx(1, "cannot allocate color: %s", s);
+}
+
/* read xrdb for configuration options */
static void
-getresources(void)
+initresources(void)
{
char *xrm;
long n;
if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True)
if ((n = strtol(xval.addr, NULL, 10)) > 0)
- border_pixels = n;
+ config.border_pixels = n;
if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True)
if ((n = strtol(xval.addr, NULL, 10)) > 0)
- separator_pixels = n;
+ config.separator_pixels = n;
if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True)
if ((n = strtol(xval.addr, NULL, 10)) > 0)
- height_pixels = n;
+ config.height_pixels = n;
if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True)
if ((n = strtol(xval.addr, NULL, 10)) > 0)
- width_pixels = n;
+ config.width_pixels = n;
if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True)
- background_color = strdup(xval.addr);
+ config.background_color = strdup(xval.addr);
if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True)
- foreground_color = strdup(xval.addr);
+ config.foreground_color = strdup(xval.addr);
if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True)
- selbackground_color = strdup(xval.addr);
+ config.selbackground_color = strdup(xval.addr);
if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True)
- selforeground_color = strdup(xval.addr);
+ config.selforeground_color = strdup(xval.addr);
if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True)
- separator_color = strdup(xval.addr);
+ config.separator_color = strdup(xval.addr);
if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True)
- border_color = strdup(xval.addr);
+ config.border_color = strdup(xval.addr);
if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True)
- font = strdup(xval.addr);
+ config.font = strdup(xval.addr);
XrmDestroyDatabase(xdb);
}
-/* 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);
-}
-
/* init draw context */
static void
-setupdc(void)
+initdc(void)
{
/* get color pixels */
- 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);
+ ealloccolor(config.background_color, &dc.normal[ColorBG]);
+ ealloccolor(config.foreground_color, &dc.normal[ColorFG]);
+ ealloccolor(config.selbackground_color, &dc.selected[ColorBG]);
+ ealloccolor(config.selforeground_color, &dc.selected[ColorFG]);
+ ealloccolor(config.separator_color, &dc.separator);
+ ealloccolor(config.border_color, &dc.border);
/* try to get font */
- if ((dc.font = XftFontOpenName(dpy, screen, font)) == NULL)
+ if ((dc.font = XftFontOpenName(dpy, screen, config.font)) == NULL)
errx(1, "cannot load font");
/* create common GC */
dc.gc = XCreateGC(dpy, rootwin, 0, NULL);
}
-/* calculate menu and screen geometry */
+/* calculate screen geometry */
static void
-calcgeom(struct Geometry *geom)
+initscreengeom(void)
{
- Window w1, w2; /* unused variables */
- int a, b; /* unused variables */
- unsigned mask; /* unused variable */
-
- 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;
+ Window dw; /* dummy variable */
+ int di; /* dummy variable */
+ unsigned du; /* dummy variable */
+
+ XQueryPointer(dpy, rootwin, &dw, &dw, &config.cursx, &config.cursy, &di, &di, &du);
+ config.screenw = DisplayWidth(dpy, screen);
+ config.screenh = DisplayHeight(dpy, screen);
+}
+
+/* intern atoms */
+static void
+initatoms(void)
+{
+ utf8string = XInternAtom(dpy, "UTF8_STRING", False);
+ wmdelete = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
+ netatom[NetWMWindowTypePopupMenu] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False);
}
/* allocate an item */
/* setup the size of a menu and the position of its items */
static void
-setupmenusize(struct Geometry *geom, struct Menu *menu)
+setupmenusize(struct Menu *menu)
{
XGlyphInfo ext;
struct Item *item;
int labelwidth;
- menu->w = geom->itemw;
+ menu->w = config.width_pixels;
for (item = menu->list; item != NULL; item = item->next) {
item->y = menu->h;
if (item->label == NULL) /* height for separator item */
- item->h = geom->separator;
+ item->h = config.separator_pixels;
else
- item->h = geom->itemh;
+ item->h = config.height_pixels;
menu->h += item->h;
/* get length of item->label rendered in the font */
/* create icon */
if (item->file != NULL)
- item->icon = loadicon(item->file, item->h - iconpadding * 2);
+ item->icon = loadicon(item->file, item->h - config.iconpadding * 2);
}
}
/* setup the position of a menu */
static void
-setupmenupos(struct Geometry *g, struct Menu *menu)
+setupmenupos(struct Menu *menu)
{
- 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;
+ width = menu->w + config.border_pixels * 2;
+ height = menu->h + config.border_pixels * 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;
+ if (config.screenw - config.cursx >= menu->w)
+ menu->x = config.cursx;
+ else if (config.cursx > width)
+ menu->x = config.cursx - width;
+
+ if (config.screenh - config.cursy >= height)
+ menu->y = config.cursy;
+ else if (config.screenh > height)
+ menu->y = config.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 (config.screenw - (menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels) >= width)
+ menu->x = menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels;
+ else if (menu->parent->x > menu->w + config.border_pixels + config.gap_pixels)
+ menu->x = menu->parent->x - menu->w - config.border_pixels - config.gap_pixels;
- if (geom->screenh - (menu->caller->y + menu->parent->y) > height)
+ if (config.screenh - (menu->caller->y + menu->parent->y) > height)
menu->y = menu->caller->y + menu->parent->y;
- else if (geom->screenh - menu->parent->y > height)
+ else if (config.screenh - menu->parent->y > height)
menu->y = menu->parent->y;
- else if (geom->screenh > height)
- menu->y = geom->screenh - height;
+ else if (config.screenh > height)
+ menu->y = config.screenh - height;
}
}
/* recursivelly setup menu configuration and its pixmap */
static void
-setupmenu(struct Geometry *geom, struct Menu *menu, XClassHint *classh)
+setupmenu(struct Menu *menu, XClassHint *classh)
{
+ char *title;
struct Item *item;
XWindowChanges changes;
XSizeHints sizeh;
XTextProperty wintitle;
/* setup size and position of menus */
- setupmenusize(geom, menu);
- setupmenupos(geom, menu);
+ setupmenusize(menu);
+ setupmenupos(menu);
/* update menu geometry */
- changes.border_width = geom->border;
+ changes.border_width = config.border_pixels;
changes.height = menu->h;
changes.width = menu->w;
changes.x = menu->x;
/* set window title (used if wflag is on) */
if (menu->parent == NULL) {
- XStringListToTextProperty(&classh->res_name, 1, &wintitle);
+ title = classh->res_name;
} else {
- XStringListToTextProperty(&menu->caller->output, 1, &wintitle);
+ title = menu->caller->output;
}
+ XStringListToTextProperty(&title, 1, &wintitle);
/* set window manager hints */
sizeh.flags = PMaxSize | PMinSize;
DefaultDepth(dpy, screen));
menu->draw = XftDrawCreate(dpy, menu->pixmap, visual, colormap);
+ /* set ewmh window properties */
+ XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8,
+ PropModeReplace,
+ (unsigned char *)title, strlen(title));
+ XChangeProperty(dpy, menu->win, netatom[NetWMWindowType], XA_ATOM, 32,
+ PropModeReplace,
+ (unsigned char *)&netatom[NetWMWindowTypePopupMenu], 1);
+
/* calculate positions of submenus */
for (item = menu->list; item != NULL; item = item->next) {
if (item->submenu != NULL)
- setupmenu(geom, item->submenu, classh);
+ setupmenu(item->submenu, classh);
}
}
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;
-
- return NULL;
-}
-
/* umap previous menus and map current menu and its parents */
static void
mapmenu(struct Menu *currmenu)
for (menu = currmenu; menu != lcamenu; menu = menu->parent) {
if (wflag) {
- setupmenupos(NULL, menu);
+ setupmenupos(menu);
XMoveWindow(dpy, menu->win, menu->x, menu->y);
}
/* 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;
+ x = menu->w - (item->h + config.triangle_width + 1) / 2;
+ y = item->y + (item->h - config.triangle_height + 1) / 2;
XPoint triangle[] = {
{x, y},
- {x + triangle_width, y + triangle_height/2},
- {x, y + triangle_height},
+ {x + config.triangle_width, y + config.triangle_height/2},
+ {x, y + config.triangle_height},
{x, y}
};
/* draw icon */
if (item->file != NULL) {
- x = iconpadding;
- y = item->y + iconpadding;
+ x = config.iconpadding;
+ y = item->y + config.iconpadding;
imlib_context_set_drawable(menu->pixmap);
imlib_context_set_image(item->icon);
imlib_render_image_on_drawable(x, y);
}
}
+/* 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;
+
+ return NULL;
+}
+
/* cycle through the items; non-zero direction is next, zero is prev */
static struct Item *
itemcycle(struct Menu *currmenu, int direction)
menu->y = ev.xconfigure.y;
break;
case ClientMessage:
+ if ((unsigned long) ev.xclient.data.l[0] != wmdelete)
+ break;
/* user closed window */
menu = getmenu(currmenu, ev.xclient.window);
if (menu->parent == NULL)
/* recursivelly free pixmaps and destroy windows */
static void
-freemenu(struct Menu *menu)
+cleanmenu(struct Menu *menu)
{
struct Item *item;
struct Item *tmp;
item = menu->list;
while (item != NULL) {
if (item->submenu != NULL)
- freemenu(item->submenu);
+ cleanmenu(item->submenu);
tmp = item;
if (tmp->label != tmp->output)
free(tmp->label);
free(menu);
}
-/* cleanup and exit */
+/* cleanup X and exit */
static void
cleanup(void)
{