[hackers] [sent] [PATCH] Add toggle fullscreen shortcut: f

From: Héctor Monacci <hector.monacci_AT_gmail.com>
Date: Sun, 18 Mar 2018 09:08:54 -0300

Hi people, this is my first one, so please be patient if I
inadvertently break rules.

After talking to Markus Teich, I added a fullscreen toggle function to
sent. It uses the f key for toggling.

---
 README.md    | 12 ++++++------
 config.def.h |  1 +
 sent.c       | 21 ++++++++++++++++++---
 3 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/README.md b/README.md
index c1e9385..4e93d26 100644
--- a/README.md
+++ b/README.md
_AT_@ -20,7 +20,7 @@ To get a little demo, just type
     make && ./sent example
-You can navigate with the arrow keys and quit with `q`.
+You can navigate with the arrow keys, toggle fullscreen with `f`, and
quit with `q`.
 Usage
_AT_@ -33,21 +33,21 @@ with `#` will be ignored. A `\` at the beginning
of the line escapes `_AT_` and
 `#`. A presentation file could look like this:
     sent
-
+
     _AT_nyan.png
-
+
     depends on
     - Xlib
     - Xft
     - farbfeld
-
+
     sent FILENAME
     one slide per paragraph
     # This is a comment and will not be part of the presentation
     \# This and the next line start with backslashes
-
+
     \_AT_FILE.png
-
+
     thanks / questions?
diff --git a/config.def.h b/config.def.h
index 60eb376..5dc7d2b 100644
--- a/config.def.h
+++ b/config.def.h
_AT_@ -46,6 +46,7 @@ static Shortcut shortcuts[] = {
     { XK_Prior,       advance,        {.i = -1} },
     { XK_n,           advance,        {.i = +1} },
     { XK_p,           advance,        {.i = -1} },
+    { XK_f,           fullscr_togg,   {0} },
     { XK_r,           reload,         {0} },
 };
diff --git a/sent.c b/sent.c
index c50a572..5b0b6cc 100644
--- a/sent.c
+++ b/sent.c
_AT_@ -97,13 +97,14 @@ static void cleanup(int slidesonly);
 static void reload(const Arg *arg);
 static void load(FILE *fp);
 static void advance(const Arg *arg);
+static void fullscr_togg();
 static void quit(const Arg *arg);
 static void resize(int width, int height);
 static void run();
 static void usage();
 static void xdraw();
 static void xhints();
-static void xinit();
+static void xinit(Bool fs);
 static void xloadfonts();
 static void bpress(XEvent *);
_AT_@ -475,6 +476,16 @@ advance(const Arg *arg)
     }
 }
+void
+fullscr_togg()
+{
+    static Bool toggle;
+    toggle = !toggle;
+    XDestroyWindow(xw.dpy, xw.win);
+    XSync(xw.dpy, False);
+    xinit(toggle);
+}
+
 void
 quit(const Arg *arg)
 {
_AT_@ -560,7 +571,7 @@ xhints()
 }
 void
-xinit()
+xinit(Bool fs)
 {
     XTextProperty prop;
     unsigned int i;
_AT_@ -580,6 +591,10 @@ xinit()
                            InputOutput, xw.vis, CWBitGravity | CWEventMask,
                            &xw.attrs);
+    Atom wm_state      = XInternAtom(xw.dpy, "_NET_WM_STATE", True );
+    Atom wm_fullscreen = XInternAtom(xw.dpy,
"_NET_WM_STATE_FULLSCREEN", True );
+    XChangeProperty(xw.dpy, xw.win, wm_state, XA_ATOM, 32,
PropModeReplace, (unsigned char *)&wm_fullscreen, fs);
+
     xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
     xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
     XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
_AT_@ -698,7 +713,7 @@ main(int argc, char *argv[])
     load(fp);
     fclose(fp);
-    xinit();
+    xinit(False);
     run();
     cleanup(0);
-- 
2.16.2

Received on Sun Mar 18 2018 - 13:08:54 CET