X-Git-Url: https://git.subgeniuskitty.com/xmenu/.git/blobdiff_plain/a80fee227ad7cc2a74b7141870c67b7b1fca7076..571d99e165ee9ecd24945cc3c441d8b982f0cfb1:/xmenu.c diff --git a/xmenu.c b/xmenu.c index 71c1149..273f690 100644 --- a/xmenu.c +++ b/xmenu.c @@ -5,27 +5,36 @@ #include #include #include +#include +#include +#include + +#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 { +struct MenuGeometry { int itemb; /* item border */ int itemw; /* item width */ int itemh; /* item height */ @@ -41,58 +50,65 @@ struct ScreenGeometry { /* menu item structure */ struct Item { - char *label; - char *output; - int y; /* only y is necessary, item's x is always 0 relative to the menu*/ - struct Item *next; - struct Menu *submenu; + char *label; /* string to be drawed on menu */ + char *output; /* string to be outputed when item is clicked */ + int y; /* item y position relative to menu */ + int h; /* item height */ + size_t labellen; /* strlen(label) */ + struct Item *prev; /* previous item */ + struct Item *next; /* next item */ + struct Menu *submenu; /* submenu spawned by clicking on item */ }; /* menu structure */ struct Menu { - struct Menu *parent; - struct Item *list; - struct Item *selected; - int x, y, w, h; - unsigned level; - Window win; + struct Menu *parent; /* parent menu */ + struct Item *caller; /* item that spawned the menu */ + struct Item *list; /* list of items contained by the menu */ + struct Item *selected; /* item currently selected in the menu */ + int x, y, w, h; /* menu geometry */ + unsigned level; /* menu level relative to root */ + Drawable pixmap; /* pixmap to draw the menu on */ + XftDraw *draw; + Window win; /* menu window to map on the screen */ }; /* function declarations */ -static unsigned long getcolor(const char *s); +static void getcolor(const char *s, XftColor *color); +static void getresources(void); static void setupdc(void); static void setupgeom(void); -static void setupgrab(void); static struct Item *allocitem(const char *label, const char *output); 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 struct Menu *getmenu(Window win); +static struct Item *getitem(struct Menu *menu, int y); +static void drawseparator(struct Menu *menu, struct Item *item); +static void drawitem(struct Menu *menu, struct Item *item, XftColor *color); static void drawmenu(void); static void calcscreengeom(void); static void calcmenu(struct Menu *menu); +static void grabpointer(void); +static void grabkeyboard(void); static void setcurrmenu(struct Menu *currmenu_new); static void parsestdin(void); static void run(void); -static void cleanupexit(void); +static void freewindow(struct Menu *menu); +static void cleanup(void); static void usage(void); /* X variables */ static Colormap colormap; static Display *dpy; +static Visual *visual; static Window rootwin; static int screen; static struct DC dc; +static struct ScreenGeometry screengeom; /* menu variables */ static struct Menu *rootmenu = NULL; static struct Menu *currmenu = NULL; - -/* geometry variables */ -static struct Geometry geom; -static struct ScreenGeometry screengeom; - -/* flag variables */ -static Bool override_redirect = True; +static struct MenuGeometry geom; #include "config.h" @@ -101,11 +117,8 @@ main(int argc, char *argv[]) { int ch; - while ((ch = getopt(argc, argv, "w")) != -1) { + while ((ch = getopt(argc, argv, "")) != -1) { switch (ch) { - case 'w': - override_redirect = False; - break; default: usage(); break; @@ -118,13 +131,14 @@ main(int argc, char *argv[]) if ((dpy = XOpenDisplay(NULL)) == NULL) errx(1, "cannot open display"); screen = DefaultScreen(dpy); + visual = DefaultVisual(dpy, screen); rootwin = RootWindow(dpy, screen); colormap = DefaultColormap(dpy, screen); /* setup */ + getresources(); setupdc(); setupgeom(); - setupgrab(); /* generate menus and recalculate them */ parsestdin(); @@ -133,21 +147,69 @@ main(int argc, char *argv[]) calcscreengeom(); calcmenu(rootmenu); + /* grab mouse and keyboard */ + grabpointer(); + grabkeyboard(); + /* run event loop */ run(); - return 1; /* UNREACHABLE */ + cleanup(); + return 0; } -/* get color from color string */ -static unsigned long -getcolor(const char *s) +/* read xrdb for configuration options */ +static void +getresources(void) { - XColor color; + char *xrm; + long n; + 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.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); +} - 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 */ @@ -155,40 +217,30 @@ static void 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 */ static void setupgeom(void) { - geom.itemb = ITEMB; - geom.itemh = dc.fonth + ITEMB * 2; - geom.itemw = ITEMW; - geom.border = BORDER; - geom.separator = SEPARATOR; -} - -/* grab pointer */ -static void -setupgrab(void) -{ - XGrabPointer(dpy, rootwin, True, ButtonPressMask | ButtonReleaseMask, - GrabModeAsync, GrabModeAsync, None, None, CurrentTime); + geom.itemb = padding_pixels; + geom.itemh = dc.font->height + padding_pixels * 2; + geom.itemw = width_pixels; + geom.border = border_pixels; + geom.separator = separator_pixels; } /* allocate an item */ @@ -199,11 +251,21 @@ allocitem(const char *label, const char *output) 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"); + if (*label == '\0') { + 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"); + } item->y = 0; + item->h = item->label ? geom.itemh : geom.separator; + if (item->label == NULL) + item->labellen = 0; + else + item->labellen = strlen(item->label); item->next = NULL; item->submenu = NULL; @@ -221,6 +283,7 @@ allocmenu(struct Menu *parent, struct Item *list, unsigned level) err(1, "malloc"); menu->parent = parent; menu->list = list; + menu->caller = NULL; menu->selected = NULL; menu->w = geom.itemw; menu->h = 0; /* calculated by calcmenu() */ @@ -228,14 +291,16 @@ allocmenu(struct Menu *parent, struct Item *list, unsigned level) menu->y = 0; /* calculated by calcmenu() */ menu->level = level; - swa.override_redirect = override_redirect; - swa.background_pixel = dc.decoration[ColorBG]; - swa.border_pixel = dc.decoration[ColorFG]; + swa.override_redirect = 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; + | PointerMotionMask | LeaveWindowMask; menu->win = XCreateWindow(dpy, rootwin, 0, 0, geom.itemw, geom.itemh, geom.border, CopyFromParent, CopyFromParent, CopyFromParent, - CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWEventMask, + CWOverrideRedirect | CWBackPixel | + CWBorderPixel | CWEventMask | CWSaveUnder, &swa); return menu; @@ -288,6 +353,8 @@ parsestdin(void) 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; @@ -301,11 +368,19 @@ parsestdin(void) ; item->next = curritem; + + curritem->prev = item; + curritem->next = NULL; + prevmenu = menu; } else if (level == prevmenu->level) { /* item is a continuation of current menu */ for (item = prevmenu->list; item->next != NULL; item = item->next) ; item->next = curritem; + + curritem->prev = item; + curritem->next = NULL; + } else if (level > prevmenu->level) { /* item begins a new menu */ menu = allocmenu(prevmenu, curritem, level); @@ -313,6 +388,10 @@ parsestdin(void) ; item->submenu = menu; + menu->caller = item; + + curritem->prev = NULL; + curritem->next = NULL; prevmenu = menu; } @@ -333,20 +412,30 @@ calcscreengeom(void) screengeom.screenh = DisplayHeight(dpy, screen); } -/* recursivelly calculate height and position of the menus */ +/* recursivelly calculate menu geometry and set window hints */ static void calcmenu(struct Menu *menu) { + static XClassHint classh = {PROGNAME, PROGNAME}; XWindowChanges changes; + XSizeHints sizeh; + XGlyphInfo ext; struct Item *item; + int labelwidth; - /* calculate items positions and menu height */ + /* calculate items positions and menu width and height */ + menu->w = geom.itemw; for (item = menu->list; item != NULL; item = item->next) { item->y = menu->h; - if (*item->label == '\0') /* height for separator item */ + if (item->label == NULL) /* height for separator item */ menu->h += geom.separator; else menu->h += geom.itemh; + + XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label, + item->labellen, &ext); + labelwidth = ext.xOff + dc.font->height * 2; + menu->w = MAX(menu->w, labelwidth); } /* calculate menu's x and y positions */ @@ -361,18 +450,13 @@ calcmenu(struct Menu *menu) else if (screengeom.screenh > menu->h) menu->y = screengeom.screenh - menu->h; } else { /* else, calculate in respect to parent menu */ + 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; - /* 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) >= menu->w) - menu->x = menu->parent->x + menu->parent->w; - else if (menu->parent->x > menu->w) - menu->x = menu->parent->x - menu->w; - - if (screengeom.screenh - (item->y + menu->parent->y) > menu->h) - menu->y = item->y + menu->parent->y; + if (screengeom.screenh - (menu->caller->y + menu->parent->y) > menu->h) + menu->y = menu->caller->y + menu->parent->y; else if (screengeom.screenh - menu->parent->y > menu->h) menu->y = menu->parent->y; else if (screengeom.screenh > menu->h) @@ -381,9 +465,22 @@ calcmenu(struct Menu *menu) /* update menu geometry */ changes.height = menu->h; + changes.width = menu->w; changes.x = menu->x; changes.y = menu->y; - XConfigureWindow(dpy, menu->win, CWHeight | CWX | CWY, &changes); + XConfigureWindow(dpy, menu->win, CWWidth | CWHeight | CWX | CWY, &changes); + + /* set window manager 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, NULL, 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) { @@ -392,47 +489,164 @@ calcmenu(struct Menu *menu) } } -/* 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 + 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(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 */ static void setcurrmenu(struct Menu *currmenu_new) { - struct Menu *menu; + struct Menu *menu, *menu_; + struct Item *item; + struct Menu *lcamenu; /* lowest common ancestor menu */ + unsigned minlevel; /* level of the closest to root menu */ + unsigned maxlevel; /* level of the closest to root menu */ + /* do not update currmenu to itself */ if (currmenu_new == currmenu) return; - for (menu = currmenu; menu != NULL; menu = menu->parent) { + /* if there was no currmenu, skip calculations */ + if (currmenu == NULL) { + currmenu = currmenu_new; + XMapWindow(dpy, currmenu->win); + return; + } + + /* find lowest common ancestor menu */ + lcamenu = rootmenu; + minlevel = MIN(currmenu_new->level, currmenu->level); + maxlevel = MAX(currmenu_new->level, currmenu->level); + if (currmenu_new->level == maxlevel) { + menu = currmenu_new; + menu_ = currmenu; + } else { + menu = currmenu; + menu_ = currmenu_new; + } + while (menu->level > minlevel) + menu = menu->parent; + while (menu != menu_) { + menu = menu->parent; + menu_ = menu_->parent; + } + lcamenu = menu; + + /* unmap menus from currmenu (inclusive) until lcamenu (exclusive) */ + for (menu = currmenu; menu != lcamenu; menu = menu->parent) { + menu->selected = NULL; XUnmapWindow(dpy, menu->win); } currmenu = currmenu_new; - for (menu = currmenu; menu != NULL; menu = menu->parent) + /* map menus from currmenu (inclusive) until lcamenu (exclusive) */ + item = NULL; + for (menu = currmenu; menu != lcamenu; menu = menu->parent) { XMapWindow(dpy, menu->win); + } +} + +/* draw separator item */ +static void +drawseparator(struct Menu *menu, struct Item *item) +{ + int linex, liney, linew; + + linex = dc.font->height; + liney = item->y + item->h/2; + linew = menu->w - dc.font->height; + + XSetForeground(dpy, dc.gc, dc.separator.pixel); + XDrawLine(dpy, menu->pixmap, dc.gc, linex, liney, linew, liney); +} + +/* draw regular item */ +static void +drawitem(struct Menu *menu, struct Item *item, XftColor *color) +{ + int x, y; + + x = 0 + dc.font->height; + y = item->y + dc.font->height + geom.itemb / 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 - dc.font->height + geom.itemb - 1; + y = item->y + geom.itemh/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 items of the current menu and of its ancestors */ @@ -443,57 +657,72 @@ drawmenu(void) 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(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) @@ -501,6 +730,7 @@ run(void) struct Menu *menu; struct Item *item; struct Item *previtem = NULL; + KeySym ksym; XEvent ev; setcurrmenu(rootmenu); @@ -508,52 +738,121 @@ run(void) while (!XNextEvent(dpy, &ev)) { switch(ev.type) { case Expose: - drawmenu(); + if (ev.xexpose.count == 0) + drawmenu(); break; case MotionNotify: - getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item); - 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(ev.xbutton.window); + item = getitem(menu, ev.xbutton.y); + if (menu == NULL || item == NULL) + break; + if (previtem != item) { + menu->selected = item; + if (item->submenu != NULL) + setcurrmenu(item->submenu); + else + setcurrmenu(menu); + previtem = item; + drawmenu(); } - drawmenu(); break; case ButtonRelease: - getmenuitem(ev.xbutton.window, ev.xbutton.y, &menu, &item); - if (menu != NULL && item != NULL) { - if (item->submenu != NULL) { - setcurrmenu(item->submenu); - } else { - printf("%s\n", item->output); - cleanupexit(); - } - drawmenu(); + menu = getmenu(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) { + setcurrmenu(item->submenu); } else { - cleanupexit(); + printf("%s\n", item->output); + return; } + currmenu->selected = currmenu->list; + drawmenu(); + break; + case ButtonPress: + menu = getmenu(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 == rootmenu) + return; + + /* Shift-Tab = ISO_Left_Tab */ + if (ksym == XK_Tab && (ev.xkey.state & ShiftMask)) + ksym = XK_ISO_Left_Tab; + + /* cycle through menu */ + item = NULL; + if (ksym == XK_ISO_Left_Tab || ksym == XK_Up) { + item = itemcycle(ITEMPREV); + } else if (ksym == XK_Tab || ksym == XK_Down) { + item = itemcycle(ITEMNEXT); + } else if ((ksym == XK_Return || ksym == XK_Right) && + currmenu->selected != NULL) { + item = currmenu->selected; + goto selectitem; + } else if ((ksym == XK_Escape || ksym == XK_Left) && + currmenu->parent != NULL) { + item = currmenu->parent->selected; + setcurrmenu(currmenu->parent); + } else + break; + currmenu->selected = item; + drawmenu(); + break; + case LeaveNotify: + previtem = NULL; + currmenu->selected = NULL; + drawmenu(); break; } } } +/* recursivelly free pixmaps and destroy windows */ +static void +freewindow(struct Menu *menu) +{ + struct Item *item; + + for (item = menu->list; item != NULL; item = item->next) + if (item->submenu != NULL) + freewindow(item->submenu); + + XFreePixmap(dpy, menu->pixmap); + XftDrawDestroy(menu->draw); + XDestroyWindow(dpy, menu->win); +} + /* cleanup and exit */ static void -cleanupexit(void) +cleanup(void) { + freewindow(rootmenu); + + 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 title...\n"); exit(1); }