X-Git-Url: https://git.subgeniuskitty.com/xmenu/.git/blobdiff_plain/d2435fcd5f258e7dfc2993b1b2d0bfedf6ed883e..d584fba62674833135a9cb3eb9ec0f0e3fe96743:/xmenu.c diff --git a/xmenu.c b/xmenu.c index cc19921..2096e70 100644 --- a/xmenu.c +++ b/xmenu.c @@ -8,10 +8,12 @@ #include #include #include +#include #define PROGNAME "xmenu" #define ITEMPREV 0 #define ITEMNEXT 1 +#define IMGPADDING 8 /* macros */ #define LEN(x) (sizeof (x) / sizeof (x[0])) @@ -25,24 +27,18 @@ enum {ColorFG, ColorBG, ColorLast}; struct DC { XftColor normal[ColorLast]; XftColor selected[ColorLast]; - XftColor decoration[ColorLast]; + XftColor border; + XftColor separator; - Drawable d; GC gc; XftFont *font; }; /* menu geometry structure */ struct Geometry { - int itemb; /* item border */ - int itemw; /* item width */ - int itemh; /* item height */ - int border; /* window border width */ - int separator; /* menu separator width */ -}; - -/* 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 */ }; @@ -51,12 +47,14 @@ struct ScreenGeometry { 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 */ @@ -72,57 +70,59 @@ struct Menu { Window win; /* menu window to map on the screen */ }; -/* function declarations */ -static void getcolor(const char *s, XftColor *color); +/* 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(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 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 freewindow(struct Menu *menu); +static struct Menu *buildmenutree(unsigned level, const char *label, const char *output, char *file); +static struct Menu *parsestdin(void); +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 int screen; static Visual *visual; static Window rootwin; -static int screen; +static Colormap colormap; static struct DC dc; +static Atom wmdelete; -/* menu variables */ -static struct Menu *rootmenu = NULL; -static struct Menu *currmenu = NULL; -static char **menutitle; -static int menutitlecount; - -/* geometry variables */ -static struct Geometry geom; -static struct ScreenGeometry screengeom; - -/* 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(); @@ -132,8 +132,8 @@ main(int argc, char *argv[]) argc -= optind; argv += optind; - menutitle = argv; - menutitlecount = argc; + if (argc > 1) + usage(); /* open connection to server and set X variables */ if ((dpy = XOpenDisplay(NULL)) == NULL) @@ -142,30 +142,44 @@ main(int argc, char *argv[]) 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(); + 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 (override_redirect) - setupgrab(); - - /* map root menu */ - currmenu = rootmenu; - XMapWindow(dpy, rootmenu->win); + if (!wflag) { + grabpointer(); + grabkeyboard(); + } /* run event loop */ - run(); + run(rootmenu); + /* freeing stuff */ + freemenu(rootmenu); cleanup(); return 0; @@ -177,44 +191,44 @@ getresources(void) { char *xrm; long n; + char *type; + XrmDatabase xdb; + XrmValue xval; 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 ((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.padding", "*", &type, &xval) == True) + if ((n = strtol(xval.addr, NULL, 10)) > 0) + padding_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); } /* get color from color string */ @@ -230,70 +244,74 @@ static void setupdc(void) { /* get color pixels */ - 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]); + 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 = XftFontOpenName(dpy, screen, font)) == NULL) errx(1, "cannot load font"); - /* create GC */ + /* create common GC */ dc.gc = XCreateGC(dpy, rootwin, 0, NULL); } -/* init menu geometry values */ +/* calculate menu and screen geometry */ static void -setupgeom(void) +calcgeom(struct Geometry *geom) { - geom.itemb = itemborder; - geom.itemh = dc.font->height + itemborder * 2; - geom.itemw = width; - geom.border = menuborder; - geom.separator = separatorsize; -} + Window w1, w2; /* unused variables */ + int a, b; /* unused variables */ + unsigned mask; /* unused variable */ -/* grab pointer */ -static void -setupgrab(void) -{ - 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"); + 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 */ static struct Item * -allocitem(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 (*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) + 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 = item->label ? geom.itemh : geom.separator; + 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; } @@ -311,205 +329,259 @@ allocmenu(struct Menu *parent, struct Item *list, unsigned level) menu->list = list; menu->caller = NULL; menu->selected = NULL; - menu->w = geom.itemw; - menu->h = 0; /* calculated by calcmenu() */ - menu->x = 0; /* calculated by calcmenu() */ - menu->y = 0; /* calculated by calcmenu() */ + 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; - swa.override_redirect = override_redirect; - swa.background_pixel = dc.decoration[ColorBG].pixel; - swa.border_pixel = dc.decoration[ColorFG].pixel; + 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 | LeaveWindowMask; - menu->win = XCreateWindow(dpy, rootwin, 0, 0, geom.itemw, geom.itemh, geom.border, + 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; } -/* create menus and items from the stdin */ -static void -parsestdin(void) +/* build the menu tree */ +static struct Menu * +buildmenutree(unsigned level, const char *label, const char *output, char *file) { - 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 for loops */ - struct Menu *menu; /* dummy menu for for loops */ - size_t count = 0; /* number of items in the current menu */ - - 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'; + /* 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"); - if (*s != '\0' && *s != '\n') - output = s; + /* find last item in the new menu */ + for (item = menu->list; item->next != NULL; item = item->next) + ; - while (*s != '\0' && *s != '\n') - s++; + 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) + ; - if (*s == '\n') - *s = '\0'; + item->next = curritem; + curritem->prev = item; + } else if (level > prevmenu->level) { /* item begins a new menu */ + menu = allocmenu(prevmenu, curritem, level); - curritem = allocitem(label, output); + /* find last item in the previous menu */ + for (item = prevmenu->list; item->next != NULL; item = item->next) + ; - if (prevmenu == NULL) { /* there is no menu yet */ - menu = allocmenu(NULL, curritem, level); - 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; - menu = menu->parent, i++) - ; + prevmenu = menu; + menu->caller = item; + item->submenu = menu; + curritem->prev = NULL; + } - if (menu == NULL) - errx(1, "reached NULL menu"); + return rootmenu; +} - for (item = menu->list; item->next != NULL; item = item->next) - ; +/* create menus and items from the stdin */ +static struct Menu * +parsestdin(void) +{ + struct Menu *rootmenu; + char *s, buf[BUFSIZ]; + char *file, *label, *output; + unsigned level = 0; - item->next = curritem; + rootmenu = NULL; - curritem->prev = item; - curritem->next = NULL; + 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 filename */ + file = NULL; + if (label != NULL && strncmp(label, "IMG:", 4) == 0) { + file = label + 4; + label = strtok(NULL, "\t\n"); + } - 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; + /* get the output */ + output = strtok(NULL, "\n"); + if (output == NULL) { + output = label; + } else { + while (*output == '\t') + output++; + } - curritem->prev = item; - curritem->next = NULL; + rootmenu = buildmenutree(level, label, output, file); + } - } else if (level > prevmenu->level) { /* item begins a new menu */ - menu = allocmenu(prevmenu, curritem, level); + return rootmenu; +} - for (item = prevmenu->list; item->next != NULL; item = item->next) - ; +/* load and scale icon */ +static Imlib_Image +loadicon(const char *file, int size) +{ + Imlib_Image icon; + int width; + int height; + int imgsize; - item->submenu = menu; - menu->caller = item; + icon = imlib_load_image(file); + if (icon == NULL) + errx(1, "cannot load icon %s", file); - curritem->prev = NULL; - curritem->next = NULL; + imlib_context_set_image(icon); - prevmenu = menu; - } - count++; - } -} + width = imlib_image_get_width(); + height = imlib_image_get_height(); + imgsize = MIN(width, height); -/* calculate screen geometry */ -static void -calcscreengeom(void) -{ - Window w1, w2; /* unused variables */ - int a, b; /* unused variables */ - unsigned mask; /* unused variable */ + icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, size, size); - XQueryPointer(dpy, rootwin, &w1, &w2, &screengeom.cursx, &screengeom.cursy, &a, &b, &mask); - screengeom.screenw = DisplayWidth(dpy, screen); - screengeom.screenh = DisplayHeight(dpy, screen); + return icon; } -/* recursivelly calculate height and position of the menus */ +/* setup the size of a menu and the position of its items */ static void -calcmenu(struct Menu *menu) +setupmenusize(struct Geometry *geom, struct Menu *menu) { - static XClassHint classh = {PROGNAME, PROGNAME}; - XWindowChanges changes; - XTextProperty textprop; - XSizeHints sizeh; XGlyphInfo ext; struct Item *item; int labelwidth; - /* 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; + /* get length of item->label rendered in the font */ XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label, item->labellen, &ext); - labelwidth = ext.xOff + dc.font->height * 2; + labelwidth = ext.xOff + dc.font->height * 2 + IMGPADDING * 2; menu->w = MAX(menu->w, labelwidth); + + /* create icon */ + if (item->file != NULL) + item->icon = loadicon(item->file, dc.font->height); } +} - /* calculate menu's x and y positions */ +/* setup the position of a menu */ +static void +setupmenupos(struct Geometry *g, 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; if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */ - if (screengeom.screenw - screengeom.cursx >= menu->w) - menu->x = screengeom.cursx; - else if (screengeom.cursx > menu->w) - menu->x = screengeom.cursx - menu->w; - - if (screengeom.screenh - screengeom.cursy >= menu->h) - menu->y = screengeom.cursy; - else if (screengeom.screenh > menu->h) - menu->y = screengeom.screenh - menu->h; - - XStringListToTextProperty(menutitle, menutitlecount, &textprop); + 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 */ - - /* search for the item in parent menu that generates this menu */ - for (item = menu->parent->list; item->submenu != menu; item = item->next) - ; - - 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; - else if (screengeom.screenh - menu->parent->y > menu->h) + 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 (screengeom.screenh > menu->h) - menu->y = screengeom.screenh - menu->h; - - XStringListToTextProperty(&(menu->caller->output), 1, &textprop); + else if (geom->screenh > height) + menu->y = geom->screenh - height; } +} + +/* recursivelly setup menu configuration and its pixmap */ +static void +setupmenu(struct Geometry *geom, struct Menu *menu, XClassHint *classh) +{ + struct Item *item; + XWindowChanges changes; + XSizeHints sizeh; + XTextProperty wintitle; + + /* 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, CWWidth | 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, &textprop, NULL, NULL, 0, &sizeh, - NULL, &classh); + 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, @@ -519,89 +591,184 @@ calcmenu(struct Menu *menu) /* 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 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 (y >= item->y && y <= item->y + item->h) { - 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; -done: - *menu_ret = menu; - *item_ret = item; + for (item = menu->list; item != NULL; item = item->next) + if (y >= item->y && y <= item->y + item->h) + return 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) { + static struct Menu *prevmenu = NULL; 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) + /* do not remap current menu if it wasn't updated*/ + if (prevmenu == currmenu) return; - /* 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; + /* if this is the first time mapping, skip calculations */ + if (prevmenu == NULL) { + XMapWindow(dpy, currmenu->win); + prevmenu = currmenu; + return; + } - while (menu != menu_) { - menu = menu->parent; - menu_ = menu_->parent; - } - lcamenu = menu; + /* 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 = currmenu; menu != lcamenu; menu = menu->parent) { + 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) */ - item = NULL; for (menu = currmenu; menu != lcamenu; menu = menu->parent) { + + if (wflag) { + setupmenupos(NULL, menu); + XMoveWindow(dpy, menu->win, menu->x, menu->y); + } + XMapWindow(dpy, menu->win); - if (item != NULL) - menu->selected = item; - item = menu->caller; + } + + 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 = dc.font->height + IMGPADDING; + 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, + x, y, item->label, item->labellen); + + /* draw triangle, if item contains a submenu */ + if (item->submenu != NULL) { + x = menu->w - dc.font->height/2 - IMGPADDING/2 - triangle_width/2 - 1; + y = item->y + item->h/2 - triangle_height/2 - 1; + + 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 = IMGPADDING / 2; + y = item->y + (item->h - dc.font->height) / 2; + 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; @@ -609,58 +776,32 @@ drawmenu(void) for (menu = currmenu; menu != NULL; menu = menu->parent) { for (item = menu->list; item != NULL; item = item->next) { XftColor *color; - int labelx, labely; /* determine item color */ - if (item == menu->selected) + if (item == menu->selected && item->label != NULL) color = dc.selected; else 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 */ - 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 = menu->w - dc.font->height + geom.itemb - 1; - int triangley = item->y + (3 * item->h)/8 -1; - - XPoint triangle[] = { - {trianglex, triangley}, - {trianglex + item->h/8 + 1, item->y + item->h/2}, - {trianglex, triangley + item->h/4 + 2}, - {trianglex, triangley} - }; - - XFillPolygon(dpy, menu->pixmap, dc.gc, triangle, LEN(triangle), - Convex, CoordModeOrigin); - } - - XCopyArea(dpy, menu->pixmap, menu->win, dc.gc, 0, item->y, - menu->w, item->h, 0, item->y); + 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(int direction) +itemcycle(struct Menu *currmenu, int direction) { struct Item *item; struct Item *lastitem; @@ -701,7 +842,7 @@ itemcycle(int direction) /* run event loop */ static void -run(void) +run(struct Menu *currmenu) { struct Menu *menu; struct Item *item; @@ -709,55 +850,58 @@ run(void) KeySym ksym; XEvent ev; + mapmenu(currmenu); + while (!XNextEvent(dpy, &ev)) { switch(ev.type) { case Expose: if (ev.xexpose.count == 0) - drawmenu(); + drawmenu(currmenu); break; case MotionNotify: - getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item); - if (menu != NULL && item != NULL) { - if (previtem != item) { - if (item->submenu != NULL) - setcurrmenu(item->submenu); - else - setcurrmenu(menu); - previtem = item; - drawmenu(); - } else if (menu->selected != item) { - menu->selected = item; - drawmenu(); - } + 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; } + mapmenu(currmenu); + drawmenu(currmenu); 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); - return; - } - currmenu->selected = currmenu->list; - 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 { + printf("%s\n", item->output); return; } + mapmenu(currmenu); + currmenu->selected = currmenu->list; + drawmenu(currmenu); + break; case ButtonPress: - getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item); - if (menu == NULL || item == NULL) + menu = getmenu(currmenu, ev.xbutton.window); + if (menu == NULL) return; break; case KeyPress: ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0); - if (ksym == XK_Escape && currmenu == rootmenu) + /* esc closes xmenu when current menu is the root menu */ + if (ksym == XK_Escape && currmenu->parent == NULL) return; /* Shift-Tab = ISO_Left_Tab */ @@ -767,9 +911,9 @@ selectitem: /* cycle through menu */ item = NULL; if (ksym == XK_ISO_Left_Tab || ksym == XK_Up) { - item = itemcycle(ITEMPREV); + item = itemcycle(currmenu, ITEMPREV); } else if (ksym == XK_Tab || ksym == XK_Down) { - item = itemcycle(ITEMNEXT); + item = itemcycle(currmenu, ITEMNEXT); } else if ((ksym == XK_Return || ksym == XK_Right) && currmenu->selected != NULL) { item = currmenu->selected; @@ -777,47 +921,82 @@ selectitem: } else if ((ksym == XK_Escape || ksym == XK_Left) && currmenu->parent != NULL) { item = currmenu->parent->selected; - setcurrmenu(currmenu->parent); + currmenu = currmenu->parent; + mapmenu(currmenu); } else break; currmenu->selected = item; - drawmenu(); + drawmenu(currmenu); break; case LeaveNotify: + previtem = NULL; currmenu->selected = NULL; - drawmenu(); + 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 a pixmap */ +/* 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; + 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 cleanup(void) { - freewindow(rootmenu); + 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.decoration[ColorBG]); - XftColorFree(dpy, visual, colormap, &dc.decoration[ColorFG]); + XftColorFree(dpy, visual, colormap, &dc.separator); + XftColorFree(dpy, visual, colormap, &dc.border); XFreeGC(dpy, dc.gc); XCloseDisplay(dpy); @@ -827,6 +1006,6 @@ cleanup(void) static void usage(void) { - (void)fprintf(stderr, "usage: xmenu [-w]\n"); + (void)fprintf(stderr, "usage: xmenu [-w] [title]\n"); exit(1); }