Merge pull request #100 from gs93/dynamic_wordwrap

wrap the text if it's wider than the screen width (Fixes #53)

README.pod

@@ -4,7 +4,7 @@ dunst - A customizable and lightweight notification-daemon
 
 =head1 SYNOPSIS
 
-dunst [-geometry geom] [-fn font] [-nf/nb/lf/lb/cf/cb color]
+dunst [-geometry geom] [-shrink shrink] [-fn font] [-nf/nb/lf/lb/cf/cb color]
 [-to/nto/lto/cto secs] [-format fmt] [-key key] [-mod mod] [-mon n] [-v]
 
 =head1 DESCRIPTION
@@ -84,6 +84,10 @@ a negative from the right side of the screen.
 Y is measured from the top and down respectevly.
 see also EXAMPLES show the notification on monitor n.
 
+=item B<-shrink>
+
+Shrink window if it's smaller than the width. Will be ignored if width is 0.
+
 =item B<-lh/-line_height> height
 
 The height of a single line in pixel. If the height is smaller than the font height, it will get raised to the font height.

config.def.h

@@ -14,6 +14,7 @@ int timeouts[] = { 10, 10, 0 }; /* low, normal, critical */
 
 unsigned int transparency = 0;  /* transparency */
 char *geom = "0x0";             /* geometry */
+int shrink = False;             /* shrinking */
 int sort = True;                /* sort messages by urgency */
 int indicate_hidden = True;     /* show count of hidden messages */
 int idle_threshold = 0;         /* don't timeout notifications when idle for x seconds */

dbus.c

@@ -389,7 +389,9 @@ int initdbus(void)
 {
         guint owner_id;
 
+        #if !GLIB_CHECK_VERSION(2,35,0)
                 g_type_init();
+        #endif
 
         introspection_data = g_dbus_node_info_new_for_xml(introspection_xml,
                                                           NULL);

dunstify.c

@@ -249,8 +249,9 @@ void add_hint(NotifyNotification *n, char *str)
 
 int main(int argc, char *argv[])
 {
-
+    #if !GLIB_CHECK_VERSION(2,35,0)
         g_type_init();
+    #endif
     parse_commandline(argc, argv);
 
     if (!notify_init(appname)) {

dunstrc

@@ -49,7 +49,7 @@
 
 
     # the geometry of the window
-    # geometry [{width}]x{height}][+/-{x}+/-{y}]
+    # geometry [{width}]x{height}[+/-{x}+/-{y}]
     # The geometry of the message window.
     # The height is measured in number of notifications everything else in pixels. If the width
     # is omitted but the height is given ("-geometry x2"), the message window
@@ -61,6 +61,9 @@
     # screen width minus the width defined in within the geometry option.
     geometry = "300x5-30+20"
 
+    # Shrink window if it's smaller than the width. Will be ignored if width is 0.
+    shrink = no
+
     # The transparency of the window. range: [0; 100]
     # This option will only work if a compositing windowmanager is present (e.g. xcompmgr, compiz, etc..)
     transparency = 0

notification.h

@@ -30,7 +30,7 @@ typedef struct _notification {
         int id;
         int dup_count;
         int displayed_height;
-        char *color_strings[2];
+        const char *color_strings[2];
 
         int progress;           /* percentage + 1, 0 to hide */
         int line_count;

settings.c

@@ -101,6 +101,10 @@ void load_settings(char *cmdline_config_path)
         settings.geom =
             option_get_string("global", "geometry", "-geom/-geometry", geom,
                               "Geometry for the window");
+        settings.shrink =
+            option_get_bool("global", "shrink", "-shrink",
+                            shrink,
+                            "Shrink window if it's smaller than the width");
         settings.line_height =
             option_get_int("global", "line_height", "-lh/-line_height",
                            line_height,

settings.h

@@ -15,6 +15,7 @@ typedef struct _settings {
         int timeouts[3];
         unsigned int transparency;
         char *geom;
+        int shrink;
         int sort;
         int indicate_hidden;
         int idle_threshold;

x.c

@@ -203,13 +203,40 @@ static dimension_t calculate_dimensions(GSList *layouts)
         dim.h += (g_slist_length(layouts) - 1) * settings.separator_height;
         dim.h += g_slist_length(layouts) * settings.padding * 2;
 
-        int text_width = 0;
+        int text_width = 0, total_width = 0;
         for (GSList *iter = layouts; iter; iter = iter->next) {
                 colored_layout *cl = iter->data;
                 int w,h;
                 pango_layout_get_pixel_size(cl->l, &w, &h);
                 dim.h += h;
                 text_width = MAX(w, text_width);
+
+                if (dim.w <= 0 || settings.shrink) {
+                        /* dynamic width */
+                        total_width = MAX(text_width + 2 * settings.h_padding, total_width);
+
+                        /* subtract height from the unwrapped text */
+                        dim.h -= h;
+
+                        if (total_width > scr.dim.w) {
+                                /* set width to screen width */
+                                dim.w = scr.dim.w - xctx.geometry.x * 2;
+                        } else if (total_width < xctx.geometry.w && settings.shrink) {
+                                /* set width to text width */
+                                dim.w = total_width + 2 * settings.frame_width;
+                        }
+
+                        /* re-setup the layout */
+                        int width = dim.w;
+                        width -= 2 * settings.h_padding;
+                        width -= 2 * settings.frame_width;
+                        r_setup_pango_layout(cl->l, width);
+
+                        /* re-read information */
+                        pango_layout_get_pixel_size(cl->l, &w, &h);
+                        dim.h += h;
+                        text_width = MAX(w, text_width);
+                }
         }
 
         if (dim.w <= 0) {