Add `ch` as size unit.

include/rofi-types.h

@@ -80,6 +80,8 @@ typedef enum
     ROFI_PU_EM,
     /** PixelWidget in percentage */
     ROFI_PU_PERCENT,
+    /** PixelWidth in CH. */
+    ROFI_PU_CH,
 } RofiPixelUnit;
 
 /**

include/widgets/textbox.h

@@ -236,6 +236,12 @@ int textbox_get_font_width ( const textbox *tb );
  */
 double textbox_get_estimated_char_width ( void );
 
+/**
+ * Estimate the width of a 0.
+ *
+ * @returns the width of a 0 in pixels.
+ */
+double textbox_get_estimated_ch ( void );
 /**
  * Estimate the height of a character.
  *

lexer/theme-lexer.l

@@ -170,6 +170,7 @@ PNNUMBER   [-+]?[[:digit:]]+
 REAL       [-+]?[[:digit:]]+(\.[[:digit:]]+)?
 PX         (px)
 EM         (em)
+CH         (ch)
 PERCENT    (\%)
 
 ASTERIX    \*
@@ -411,6 +412,7 @@ if ( queue == NULL ){
 }
 
 <PROPERTIES>{EM}       { return T_UNIT_EM; }
+<PROPERTIES>{CH}       { return T_UNIT_CH; }
 <PROPERTIES>{PX}       { return T_UNIT_PX; }
 <PROPERTIES>{PERCENT}  { return T_PERCENT; }
 <PROPERTIES>{LS_SOLID} { return T_SOLID; }

lexer/theme-parser.y

@@ -182,6 +182,7 @@ static ThemeColor hwb_to_rgb ( double h, double w, double b)
 
 %token T_UNIT_PX                        "pixels"
 %token T_UNIT_EM                        "em"
+%token T_UNIT_CH                        "ch"
 %token T_UNIT_PERCENT                   "%"
 
 %token T_ANGLE_DEG                      "Degrees"
@@ -470,6 +471,7 @@ t_property_distance
 t_property_unit
 : T_UNIT_PX      { $$ = ROFI_PU_PX; }
 | T_UNIT_EM      { $$ = ROFI_PU_EM; }
+| T_UNIT_CH      { $$ = ROFI_PU_CH; }
 | T_PERCENT        { $$ = ROFI_PU_PERCENT; }
 ;
 /******

source/rofi.c

@@ -909,7 +909,7 @@ int main ( int argc, char *argv[] )
         return EXIT_SUCCESS;
     }
     if ( find_arg ( "-dump-config" ) >= 0 ) {
-        config_parse_dump_config_rasi_format ( TRUE );
+        config_parse_dump_config_rasi_format ( FALSE );
         cleanup ();
         return EXIT_SUCCESS;
     }

source/theme.c

@@ -635,6 +635,9 @@ int distance_get_pixel ( RofiDistance d, RofiOrientation ori )
     if ( d.type == ROFI_PU_EM ) {
         return d.distance * textbox_get_estimated_char_height ();
     }
+    else if ( d.type == ROFI_PU_CH ) {
+        return d.distance * textbox_get_estimated_ch ();
+    }
     else if ( d.type == ROFI_PU_PERCENT ) {
         if ( ori == ROFI_ORIENTATION_VERTICAL ) {
             int height = 0;

source/widgets/textbox.c

@@ -897,6 +897,18 @@ double textbox_get_estimated_char_width ( void )
     return char_width;
 }
 
+static double ch_width  = -1;
+double textbox_get_estimated_ch ( void )
+{
+
+    if ( ch_width < 0 ) {
+        int width = pango_font_metrics_get_approximate_digit_width ( p_metrics );
+        ch_width = ( width ) / (double) PANGO_SCALE;
+    }
+    return ch_width;
+
+}
+
 int textbox_get_estimated_height ( const textbox *tb, int eh )
 {
     int height = pango_font_metrics_get_ascent ( tb->metrics ) + pango_font_metrics_get_descent ( tb->metrics );

source/xrmoptions.c

@@ -550,7 +550,7 @@ void config_parse_xresource_dump ( void )
 
 static void config_parse_dump_config_option ( XrmOption *option )
 {
-    if ( option->type == xrm_Char ) {
+    if ( option->type == xrm_Char  || option->source == CONFIG_DEFAULT ) {
         printf ( "/*" );
     }
     printf ( "\t%s: ", option->name );
@@ -586,7 +586,7 @@ static void config_parse_dump_config_option ( XrmOption *option )
     }
 
     printf ( ";" );
-    if ( option->type == xrm_Char ) {
+    if ( option->type == xrm_Char || option->source == CONFIG_DEFAULT ) {
         printf ( "*/" );
     }
     printf ( "\n" );

test/box-test.c

@@ -84,6 +84,11 @@ int textbox_get_estimated_char_height ( void )
 {
     return 16;
 }
+double textbox_get_estimated_ch ( void );
+double textbox_get_estimated_ch ( void )
+{
+    return 8;
+}
 void rofi_view_get_current_monitor ( G_GNUC_UNUSED int *width, G_GNUC_UNUSED int *height )
 {
 

test/scrollbar-test.c

@@ -74,6 +74,10 @@ double textbox_get_estimated_char_height ( void )
 {
     return 16;
 }
+double textbox_get_estimated_ch ( void )
+{
+    return 8.0;
+}
 
 void listview_set_selected ( G_GNUC_UNUSED listview *lv, G_GNUC_UNUSED unsigned int selected )
 {

test/theme-parser-test.c

@@ -66,6 +66,11 @@ double textbox_get_estimated_char_height ( void )
     return 16.0;
 }
 
+double textbox_get_estimated_ch ( void )
+{
+    return 8.0;
+}
+
 int monitor_active ( G_GNUC_UNUSED workarea *mon )
 {
     return 0;