XftColor border;
XftColor separator;
- Drawable d;
GC gc;
XftFont *font;
};
static void getresources(void);
static void getcolor(const char *s, XftColor *color);
static void setupdc(void);
-static void calcgeom(void);
+static void calcgeom(struct Geometry *geom);
static struct Item *allocitem(const char *label, const char *output);
static struct Menu *allocmenu(struct Menu *parent, struct Item *list, unsigned level);
+static struct Menu *buildmenutree(unsigned level, const char *label, const char *output);
static struct Menu *parsestdin(void);
-static void calcmenu(struct Menu *menu);
+static void calcmenu(struct Geometry *geom, struct Menu *menu);
static void grabpointer(void);
static void grabkeyboard(void);
static struct Menu *getmenu(struct Menu *currmenu, Window win);
static void drawmenu(struct Menu *currmenu);
static struct Item *itemcycle(struct Menu *currmenu, int direction);
static void run(struct Menu *currmenu);
-static void freewindow(struct Menu *menu);
-static void cleanup(struct Menu *rootmenu);
+static void freemenu(struct Menu *menu);
+static void cleanup(void);
static void usage(void);
-/* global variables (X stuff and geometries) */
+/* X stuff */
static Display *dpy;
static int screen;
static Visual *visual;
static Window rootwin;
static Colormap colormap;
static struct DC dc;
-static struct Geometry geom;
#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;
int ch;
while ((ch = getopt(argc, argv, "")) != -1) {
/* setup */
getresources();
setupdc();
- calcgeom();
+ calcgeom(&geom);
/* generate menus and recalculate them */
rootmenu = parsestdin();
if (rootmenu == NULL)
errx(1, "no menu generated");
- calcmenu(rootmenu);
+ calcmenu(&geom, rootmenu);
/* grab mouse and keyboard */
grabpointer();
/* run event loop */
run(rootmenu);
- cleanup(rootmenu);
+ /* freeing stuff */
+ freemenu(rootmenu);
+ cleanup();
+
return 0;
}
/* calculate menu and screen geometry */
static void
-calcgeom(void)
+calcgeom(struct Geometry *geom)
{
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 = dc.font->height + padding_pixels * 2;
- geom.itemw = width_pixels;
- geom.border = border_pixels;
- geom.separator = separator_pixels;
+ XQueryPointer(dpy, rootwin, &w1, &w2, &geom->cursx, &geom->cursy, &a, &b, &mask);
+ geom->screenw = DisplayWidth(dpy, screen);
+ geom->screenh = DisplayHeight(dpy, screen);
+ geom->itemh = dc.font->height + padding_pixels * 2;
+ geom->itemw = width_pixels;
+ geom->border = border_pixels;
+ geom->separator = separator_pixels;
}
/* allocate an item */
if ((item = malloc(sizeof *item)) == NULL)
err(1, "malloc");
- if (*label == '\0') {
+ if (label == NULL) {
item->label = NULL;
item->output = NULL;
} else {
if ((item->label = strdup(label)) == NULL)
err(1, "strdup");
- if ((item->output = strdup(output)) == NULL)
- err(1, "strdup");
+ if (label == output) {
+ item->output = item->label;
+ } else {
+ if ((item->output = strdup(output)) == NULL)
+ err(1, "strdup");
+ }
}
item->y = 0;
- item->h = item->label ? geom.itemh : geom.separator;
+ item->h = 0;
if (item->label == NULL)
item->labellen = 0;
else
menu->list = list;
menu->caller = NULL;
menu->selected = NULL;
- menu->w = geom.itemw;
+ menu->w = 0; /* calculated by calcmenu() */
menu->h = 0; /* calculated by calcmenu() */
menu->x = 0; /* calculated by calcmenu() */
menu->y = 0; /* calculated by calcmenu() */
swa.save_under = True; /* pop-up windows should save_under*/
swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask
| PointerMotionMask | LeaveWindowMask;
- menu->win = XCreateWindow(dpy, rootwin, 0, 0, geom.itemw, geom.itemh, geom.border,
+ menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0,
CopyFromParent, CopyFromParent, CopyFromParent,
CWOverrideRedirect | CWBackPixel |
CWBorderPixel | CWEventMask | CWSaveUnder,
return menu;
}
-/* create menus and items from the stdin */
+/* build the menu tree */
static struct Menu *
-parsestdin(void)
+buildmenutree(unsigned level, const char *label, const char *output)
{
- char *s, buf[BUFSIZ];
- char *label, *output;
- unsigned level = 0;
+ 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;
- struct Item *curritem = NULL; /* item currently being read */
- struct Menu *prevmenu = NULL; /* menu the previous item was added to */
- struct Item *item; /* dummy item for loops */
- struct Menu *menu; /* dummy menu for loops */
- struct Menu *rootmenu; /* menu to be returned */
-
- rootmenu = NULL;
-
- while (fgets(buf, BUFSIZ, stdin) != NULL) {
- level = 0;
- s = buf;
-
- while (*s == '\t') {
- level++;
- s++;
- }
-
- label = output = s;
-
- while (*s != '\0' && *s != '\t' && *s != '\n')
- s++;
-
- while (*s == '\t')
- *s++ = '\0';
-
- if (*s != '\0' && *s != '\n')
- output = s;
-
- while (*s != '\0' && *s != '\n')
- s++;
-
- if (*s == '\n')
- *s = '\0';
-
- curritem = allocitem(label, output);
-
- if (prevmenu == NULL) { /* there is no menu yet */
- menu = allocmenu(NULL, curritem, level);
- rootmenu = menu;
- prevmenu = menu;
- 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;
- menu = menu->parent, i++)
- ;
-
- if (menu == NULL)
- errx(1, "reached NULL menu");
- for (item = menu->list; item->next != NULL; item = item->next)
- ;
+ /* create the item */
+ curritem = allocitem(label, output);
+
+ /* 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");
- item->next = curritem;
+ /* find last item in the new menu */
+ for (item = menu->list; item->next != NULL; item = item->next)
+ ;
- curritem->prev = item;
- curritem->next = NULL;
+ 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)
+ ;
- 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;
+ item->next = curritem;
+ curritem->prev = item;
+ } else if (level > prevmenu->level) { /* item begins a new menu */
+ menu = allocmenu(prevmenu, curritem, level);
- curritem->prev = item;
- curritem->next = NULL;
+ /* find last item in the previous menu */
+ for (item = prevmenu->list; item->next != NULL; item = item->next)
+ ;
- } else if (level > prevmenu->level) { /* item begins a new menu */
- menu = allocmenu(prevmenu, curritem, level);
+ prevmenu = menu;
+ menu->caller = item;
+ item->submenu = menu;
+ curritem->prev = NULL;
+ }
- for (item = prevmenu->list; item->next != NULL; item = item->next)
- ;
+ return rootmenu;
+}
- item->submenu = menu;
- menu->caller = item;
+/* create menus and items from the stdin */
+static struct Menu *
+parsestdin(void)
+{
+ struct Menu *rootmenu;
+ char *s, buf[BUFSIZ];
+ char *label, *output;
+ unsigned level = 0;
- curritem->prev = NULL;
- curritem->next = NULL;
+ rootmenu = NULL;
- prevmenu = menu;
+ while (fgets(buf, BUFSIZ, stdin) != NULL) {
+ /* get the indentation level */
+ level = strspn(buf, "\t");
+
+ /* get the label */
+ s = level + buf;
+ label = strtok(s, "\t\n");
+
+ /* get the output */
+ output = strtok(NULL, "\n");
+ if (output == NULL) {
+ output = label;
+ } else {
+ while (*output == '\t')
+ output++;
}
+
+ rootmenu = buildmenutree(level, label, output);
}
return rootmenu;
/* recursivelly calculate menu geometry and set window hints */
static void
-calcmenu(struct Menu *menu)
+calcmenu(struct Geometry *geom, struct Menu *menu)
{
static XClassHint classh = {PROGNAME, PROGNAME};
XWindowChanges changes;
XGlyphInfo ext;
struct Item *item;
int labelwidth;
+ int width, height;
/* calculate items positions and menu width and height */
- menu->w = geom.itemw;
+ 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;
+ item->h = geom->separator;
else
- menu->h += geom.itemh;
+ item->h = geom->itemh;
+ menu->h += item->h;
XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label,
item->labellen, &ext);
}
/* calculate menu's x and y positions */
+ 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 > menu->w)
- menu->x = geom.cursx - menu->w;
-
- if (geom.screenh - geom.cursy >= menu->h)
- menu->y = geom.cursy;
- else if (geom.screenh > menu->h)
- menu->y = geom.screenh - menu->h;
+ 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) >= 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 (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) > menu->h)
+ 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 > menu->h)
+ else if (geom->screenh - menu->parent->y > height)
menu->y = menu->parent->y;
- else if (geom.screenh > menu->h)
- menu->y = geom.screenh - menu->h;
+ else if (geom->screenh > height)
+ menu->y = geom->screenh - height;
}
/* 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, CWWidth | CWHeight | CWX | CWY, &changes);
+ XConfigureWindow(dpy, menu->win, CWBorderWidth | CWWidth | CWHeight | CWX | CWY, &changes);
/* set window manager hints */
sizeh.flags = PMaxSize | PMinSize;
/* calculate positions of submenus */
for (item = menu->list; item != NULL; item = item->next) {
if (item->submenu != NULL)
- calcmenu(item->submenu);
+ calcmenu(geom, item->submenu);
}
}
/* if this is the first time mapping, skip calculations */
if (prevmenu == NULL) {
XMapWindow(dpy, currmenu->win);
- goto done;
+ prevmenu = currmenu;
+ return;
}
/* find lowest common ancestor menu */
XMapWindow(dpy, menu->win);
}
-done:
prevmenu = currmenu;
}
static void
drawseparator(struct Menu *menu, struct Item *item)
{
- int linex, liney, linew;
+ int y;
- linex = dc.font->height;
- liney = item->y + item->h/2;
- linew = menu->w - dc.font->height;
+ y = item->y + item->h/2;
XSetForeground(dpy, dc.gc, dc.separator.pixel);
- XDrawLine(dpy, menu->pixmap, dc.gc, linex, liney, linew, liney);
+ XDrawLine(dpy, menu->pixmap, dc.gc, 0, y, menu->w, y);
}
/* draw regular item */
{
int x, y;
- x = 0 + dc.font->height;
+ x = dc.font->height;
y = item->y + item->h/2 + dc.font->ascent/2 - 1;
XSetForeground(dpy, dc.gc, color[ColorFG].pixel);
XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font,
/* recursivelly free pixmaps and destroy windows */
static void
-freewindow(struct Menu *menu)
+freemenu(struct Menu *menu)
{
struct Item *item;
+ struct Item *tmp;
- for (item = menu->list; item != NULL; item = item->next)
+ item = menu->list;
+ while (item != NULL) {
if (item->submenu != NULL)
- freewindow(item->submenu);
+ freemenu(item->submenu);
+ tmp = item;
+ item = item->next;
+ if (tmp->label != tmp->output)
+ free(tmp->label);
+ free(tmp->output);
+ free(tmp);
+ }
XFreePixmap(dpy, menu->pixmap);
XftDrawDestroy(menu->draw);
XDestroyWindow(dpy, menu->win);
+ free(menu);
}
/* cleanup and exit */
static void
-cleanup(struct Menu *rootmenu)
+cleanup(void)
{
XUngrabPointer(dpy, CurrentTime);
XUngrabKeyboard(dpy, CurrentTime);
- freewindow(rootmenu);
-
XftColorFree(dpy, visual, colormap, &dc.normal[ColorBG]);
XftColorFree(dpy, visual, colormap, &dc.normal[ColorFG]);
XftColorFree(dpy, visual, colormap, &dc.selected[ColorBG]);