itRespond to various X events received on window - xmenu - drop-down menu for X11	Err	z3bra.org	70
hgit clone git://git.z3bra.org/xmenu.git	URL:git://git.z3bra.org/xmenu.git	z3bra.org	70
1Log	/scm/xmenu/log.gph	z3bra.org	70
1Files	/scm/xmenu/files.gph	z3bra.org	70
1Refs	/scm/xmenu/refs.gph	z3bra.org	70
i---	Err	z3bra.org	70
1commit 8f3bd60df8e72fdbbcef34f94578590ccb791a38	/scm/xmenu/commit/8f3bd60df8e72fdbbcef34f94578590ccb791a38.gph	z3bra.org	70
1parent 9a12b6f436404472e429ded821d4b60020f2594b	/scm/xmenu/commit/9a12b6f436404472e429ded821d4b60020f2594b.gph	z3bra.org	70
hAuthor: Willy Goiffon <dev@z3bra.org>	URL:mailto:dev@z3bra.org	z3bra.org	70
iDate:   Tue, 19 Nov 2019 08:57:36 +0100	Err	z3bra.org	70
i	Err	z3bra.org	70
iRespond to various X events received on window	Err	z3bra.org	70
i	Err	z3bra.org	70
iDiffstat:	Err	z3bra.org	70
i  M config.def.h                        |       6 +++---	Err	z3bra.org	70
i  M xmenu.c                             |      80 ++++++++++++++++++++-----------	Err	z3bra.org	70
i	Err	z3bra.org	70
i2 files changed, 55 insertions(+), 31 deletions(-)	Err	z3bra.org	70
i---	Err	z3bra.org	70
1diff --git a/config.def.h b/config.def.h	/scm/xmenu/file/config.def.h.gph	z3bra.org	70
it@@ -1,6 +1,6 @@	Err	z3bra.org	70
i-/* internal padding */	Err	z3bra.org	70
i-int padx = 32;	Err	z3bra.org	70
i-int pady = 16;	Err	z3bra.org	70
i+/* original window size */	Err	z3bra.org	70
i+int width  = 128;	Err	z3bra.org	70
i+int height = 256;	Err	z3bra.org	70
i 	Err	z3bra.org	70
i /* widget colors, given as RGB hex values */	Err	z3bra.org	70
i uint32_t background = 0x3f3f3f;	Err	z3bra.org	70
1diff --git a/xmenu.c b/xmenu.c	/scm/xmenu/file/xmenu.c.gph	z3bra.org	70
it@@ -12,11 +12,18 @@	Err	z3bra.org	70
i #include "config.h"	Err	z3bra.org	70
i #include "font.h"	Err	z3bra.org	70
i 	Err	z3bra.org	70
i+#define MAX(a,b) (((a)>(b))?(a):(b))	Err	z3bra.org	70
i+#define MIN(a,b) (((a)<(b))?(a):(b))	Err	z3bra.org	70
i+	Err	z3bra.org	70
i int verbose = 0;	Err	z3bra.org	70
i xcb_connection_t *dpy;	Err	z3bra.org	70
i xcb_screen_t *screen;	Err	z3bra.org	70
i xcb_window_t wid;	Err	z3bra.org	70
i 	Err	z3bra.org	70
i+size_t nent = 0;	Err	z3bra.org	70
i+size_t maxwidth = 0;	Err	z3bra.org	70
i+size_t maxheight = 0;	Err	z3bra.org	70
i+	Err	z3bra.org	70
i void	Err	z3bra.org	70
i usage(FILE *fd, char *name)	Err	z3bra.org	70
i {	Err	z3bra.org	70
it@@ -24,12 +31,26 @@ usage(FILE *fd, char *name)	Err	z3bra.org	70
i }	Err	z3bra.org	70
i 	Err	z3bra.org	70
i int	Err	z3bra.org	70
i+drawentries()	Err	z3bra.org	70
i+{	Err	z3bra.org	70
i+        size_t i, w, h;	Err	z3bra.org	70
i+	Err	z3bra.org	70
i+        for (i = 0; i < nent; i++) {	Err	z3bra.org	70
i+                w = (width - xft_txtw(entries[i])) / 2;	Err	z3bra.org	70
i+                h = (height/nent) * (i + 0.5) - maxheight/2 + (maxheight - xft_txth(entries[i]));	Err	z3bra.org	70
i+                xft_drawtext(dpy, wid, w, h, foreground, entries[i]);	Err	z3bra.org	70
i+        }	Err	z3bra.org	70
i+	Err	z3bra.org	70
i+        return 0;	Err	z3bra.org	70
i+}	Err	z3bra.org	70
i+	Err	z3bra.org	70
i+int	Err	z3bra.org	70
i main(int argc, char *argv[])	Err	z3bra.org	70
i {	Err	z3bra.org	70
i         char *argv0;	Err	z3bra.org	70
i         long dpi;	Err	z3bra.org	70
i         int mask, val[4];	Err	z3bra.org	70
i-        size_t width, height;	Err	z3bra.org	70
i+        xcb_generic_event_t *ev = NULL;	Err	z3bra.org	70
i 	Err	z3bra.org	70
i         ARGBEGIN {	Err	z3bra.org	70
i         case 'h':	Err	z3bra.org	70
it@@ -63,46 +84,49 @@ main(int argc, char *argv[])	Err	z3bra.org	70
i 	Err	z3bra.org	70
i         val[0] = background;	Err	z3bra.org	70
i         val[1] = XCB_EVENT_MASK_EXPOSURE	Err	z3bra.org	70
i+                | XCB_EVENT_MASK_KEY_PRESS	Err	z3bra.org	70
i                 | XCB_EVENT_MASK_BUTTON_PRESS	Err	z3bra.org	70
i                 | XCB_EVENT_MASK_BUTTON_RELEASE	Err	z3bra.org	70
i-                | XCB_EVENT_MASK_BUTTON_MOTION;	Err	z3bra.org	70
i-	Err	z3bra.org	70
i-        int nentries = 0;	Err	z3bra.org	70
i-        char **n = entries;	Err	z3bra.org	70
i-        width = 0;	Err	z3bra.org	70
i-        height = pady;	Err	z3bra.org	70
i-        while(*n) {	Err	z3bra.org	70
i-                height = (xft_txth(*n) > height) ? xft_txth(*n) : height;	Err	z3bra.org	70
i-                width  = (xft_txtw(*n) > width)  ? xft_txtw(*n) : width;	Err	z3bra.org	70
i-                printf("%s (%ldx%ld)\n", *n, xft_txtw(*n), xft_txth(*n));	Err	z3bra.org	70
i-                n++;	Err	z3bra.org	70
i-                nentries++;	Err	z3bra.org	70
i+                | XCB_EVENT_MASK_BUTTON_MOTION	Err	z3bra.org	70
i+                | XCB_EVENT_MASK_STRUCTURE_NOTIFY;	Err	z3bra.org	70
i+	Err	z3bra.org	70
i+        for (nent = 0; entries[nent]; nent++) {	Err	z3bra.org	70
i+                maxwidth  = MAX(xft_txtw(entries[nent]), maxwidth);	Err	z3bra.org	70
i+                maxheight = MAX(xft_txth(entries[nent]), maxheight);	Err	z3bra.org	70
i         }	Err	z3bra.org	70
i 	Err	z3bra.org	70
i         wid = xcb_generate_id(dpy);	Err	z3bra.org	70
i         xcb_create_window(dpy, screen->root_depth, wid, screen->root,	Err	z3bra.org	70
i-                0, 0, width + padx * 2, (height + pady) * nentries + pady, 0,	Err	z3bra.org	70
i+                0, 0, width, height, 0,	Err	z3bra.org	70
i                 XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual, mask, val);	Err	z3bra.org	70
i 	Err	z3bra.org	70
i-        printf("window: %ldx%ld\n", width + padx * 2, (height + pady) * nentries + pady);	Err	z3bra.org	70
i+	Err	z3bra.org	70
i+        //xcb_grab_key(dpy, 1, wid, XCB_NONE, 9, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);	Err	z3bra.org	70
i 	Err	z3bra.org	70
i         xcb_map_window(dpy, wid);	Err	z3bra.org	70
i 	Err	z3bra.org	70
i-        n = entries;	Err	z3bra.org	70
i-        nentries = 0;	Err	z3bra.org	70
i-        while (*n) {	Err	z3bra.org	70
i-                xft_drawtext(dpy, wid,	Err	z3bra.org	70
i-                        (width + padx * 2)/2 - (xft_txtw(*n))/2,	Err	z3bra.org	70
i-                        (height + pady) * nentries + pady + (height - xft_txth(*n))/2,	Err	z3bra.org	70
i-                        foreground, *n);	Err	z3bra.org	70
i-                n++;	Err	z3bra.org	70
i-                nentries++;	Err	z3bra.org	70
i+        int loop = 1;	Err	z3bra.org	70
i+        while(loop) {	Err	z3bra.org	70
i+                xcb_flush(dpy);	Err	z3bra.org	70
i+                ev = xcb_wait_for_event(dpy);	Err	z3bra.org	70
i+                if (!ev)	Err	z3bra.org	70
i+                        break;	Err	z3bra.org	70
i+	Err	z3bra.org	70
i+                switch(ev->response_type & ~0x80) {	Err	z3bra.org	70
i+                case XCB_KEY_PRESS:	Err	z3bra.org	70
i+                        if (((xcb_key_press_event_t *)ev)->detail == 9)	Err	z3bra.org	70
i+                                loop = 0;	Err	z3bra.org	70
i+                        break;	Err	z3bra.org	70
i+                case XCB_CONFIGURE_NOTIFY:	Err	z3bra.org	70
i+                        width =  ((xcb_configure_notify_event_t *)ev)->width;	Err	z3bra.org	70
i+                        height = ((xcb_configure_notify_event_t *)ev)->height;	Err	z3bra.org	70
i+                        break;	Err	z3bra.org	70
i+                case XCB_EXPOSE:	Err	z3bra.org	70
i+                        drawentries();	Err	z3bra.org	70
i+                        break;	Err	z3bra.org	70
i+                }	Err	z3bra.org	70
i         }	Err	z3bra.org	70
i 	Err	z3bra.org	70
i-        xcb_flush(dpy);	Err	z3bra.org	70
i-	Err	z3bra.org	70
i-        sleep(50);	Err	z3bra.org	70
i-	Err	z3bra.org	70
i         xcb_disconnect(dpy);	Err	z3bra.org	70
i         return 0;	Err	z3bra.org	70
i }	Err	z3bra.org	70
.