Support em format in padding

include/theme.h

@@ -2,6 +2,17 @@
 #define THEME_H
 #include <glib.h>
 #include <cairo.h>
+typedef enum {
+    PW_PX,
+    PW_EM,
+
+} PixelWidth;
+
+typedef struct {
+    int        distance;
+    PixelWidth type;
+} Distance;
+
 typedef enum {
     P_INTEGER,
     P_DOUBLE,
@@ -26,11 +37,10 @@ typedef struct
 
 typedef struct
 {
-    int left;
-    int right;
-    int top;
-    int bottom;
-    gboolean percentual;
+    Distance left;
+    Distance right;
+    Distance top;
+    Distance bottom;
 } Padding;
 
 typedef struct {

lexer/theme-lexer.l

@@ -25,6 +25,7 @@ STRING     [[:print:]]+
 HEX        [[:xdigit:]]
 NUMBER     [[:digit:]]
 PX         (px)
+EM         (em)
 NEWLINES   (\r|\n)+
 
 %x PROPERTIES
@@ -106,7 +107,13 @@ if ( queue == NULL ){
 <PROPERTIES>\"{STRING}\"         { yytext[yyleng-1] = '\0'; yylval->sval = g_strdup(&yytext[1]); return T_STRING;}
 
 <PROPERTIES>{NUMBER}+{PX}        {
-    yylval->ival = (int)g_ascii_strtoll(yytext, NULL, 10);
+    yylval->distance.distance = (int)g_ascii_strtoll(yytext, NULL, 10);
+    yylval->distance.type     = PW_PX;
+    return T_PIXEL;
+}
+<PROPERTIES>{NUMBER}+{EM}        {
+    yylval->distance.distance = (int)g_ascii_strtoll(yytext, NULL, 10);
+    yylval->distance.type     = PW_EM;
     return T_PIXEL;
 }
 <PROPERTIES>#{HEX}{8}       {

lexer/theme-parser.y

@@ -31,6 +31,7 @@ int yylex (YYSTYPE *, YYLTYPE *);
     GList         *name_path;
     Property      *property;
     GHashTable    *property_list;
+    Distance      distance;
 }
 
 %token <ival>     T_INT
@@ -40,7 +41,7 @@ int yylex (YYSTYPE *, YYLTYPE *);
 %token <sval>     NAME_ELEMENT
 %token <bval>     T_BOOLEAN
 %token <colorval> T_COLOR
-%token <ival>     T_PIXEL
+%token <distance> T_PIXEL
 %token <sval>     CLASS_NAME
 %token <sval>     FIRST_NAME
 
@@ -170,12 +171,12 @@ property
 |  pvalue PSEP T_PIXEL PCLOSE {
         $$ = rofi_theme_property_create ( P_PADDING );
         $$->name = $1;
-        $$->value.padding = (Padding){ $3, $3, $3, $3, FALSE };
+        $$->value.padding = (Padding){ $3, $3, $3, $3 };
 }
 |  pvalue PSEP T_PIXEL T_PIXEL T_PIXEL T_PIXEL PCLOSE {
         $$ = rofi_theme_property_create ( P_PADDING );
         $$->name = $1;
-        $$->value.padding = (Padding){ $3, $4, $5, $6, FALSE };
+        $$->value.padding = (Padding){ $3, $4, $5, $6 };
 }
 ;
 

source/theme.c

@@ -87,6 +87,17 @@ static void rofi_theme_print_property_index ( int depth, Property *p )
                    (unsigned char)(p->value.color.green*255.0),
                    (unsigned char)(p->value.color.blue*255.0));
            break;
+        case P_PADDING:
+           printf("%d%s %d%s %d%s %d%s",
+                    p->value.padding.left.distance,
+                    p->value.padding.left.type == PW_PX? "px":"em",
+                    p->value.padding.right.distance,
+                    p->value.padding.right.type == PW_PX? "px":"em",
+                    p->value.padding.top.distance,
+                    p->value.padding.top.type == PW_PX? "px":"em",
+                    p->value.padding.bottom.distance,
+                    p->value.padding.bottom.type == PW_PX? "px":"em"
+                 );
     }
     putchar ( '\n' );
 }

source/view.c

@@ -863,8 +863,6 @@ static void rofi_view_mouse_navigation ( RofiViewState *state, xcb_button_press_
     }
     else {
         xcb_button_press_event_t rel = *xbe;
-        rel.event_x -= state->pad.left;
-        rel.event_y -= state->pad.top;
         if ( widget_clicked ( WIDGET ( state->main_window ), &rel ) ) {
             return;
         }
@@ -1279,8 +1277,6 @@ void rofi_view_itterrate ( RofiViewState *state, xcb_generic_event_t *ev, xkb_st
             state->mouse_seen = TRUE;
         }
         xcb_motion_notify_event_t xme = *( (xcb_motion_notify_event_t *) ev );
-        xme.event_x -= state->pad.left;
-        xme.event_y -= state->pad.top;
         if ( widget_motion_notify ( WIDGET ( state->main_window ), &xme ) ) {
             return;
         }
@@ -1417,9 +1413,6 @@ RofiViewState *rofi_view_create ( Mode *sw,
     state->finalize   = finalize;
     state->mouse_seen = FALSE;
 
-    state->pad =  (Padding){config.padding,config.padding, config.padding, config.padding, FALSE};
-    state->pad = rofi_theme_get_padding ( "@window", "window", NULL, "padding", state->pad);
-
     // Request the lines to show.
     state->num_lines = mode_get_num_entries ( sw );
 
@@ -1539,15 +1532,12 @@ int rofi_view_error_dialog ( const char *msg, int markup )
     state->retv       = MENU_CANCEL;
     state->menu_flags = MENU_ERROR_DIALOG;
     state->finalize   = process_result;
-    state->pad =  (Padding){config.padding,config.padding, config.padding, config.padding, FALSE};
-    state->pad = rofi_theme_get_padding ( "@window", "window", NULL, "padding", state->pad);
     state->border += rofi_theme_get_integer ( "@window", "window", NULL, "border-width" , config.menu_bw);
 
     rofi_view_calculate_window_and_element_width ( state );
     state->main_window = window_create ( "window" );
     state->main_box = box_create ( "mainbox.box", BOX_VERTICAL);
     window_add ( state->main_window, WIDGET ( state->main_box ) );
-    widget_move ( WIDGET ( state->main_box ), state->border+state->pad.left, state->border+state->pad.top );
     state->text = textbox_create ( "message", ( TB_AUTOHEIGHT | TB_WRAP ) + ( ( markup ) ? TB_MARKUP : 0 ),
             NORMAL, ( msg != NULL ) ? msg : "" );
     box_add ( state->main_box, WIDGET ( state->text ), TRUE, FALSE );

source/widgets/widget.c

@@ -8,7 +8,8 @@ void widget_init ( widget *widget , const char *name, const char *class_name )
 {
     widget->name       = g_strdup(name);
     widget->class_name = g_strdup(class_name);
-    widget->pad = rofi_theme_get_padding (widget->class_name, widget->name, NULL, "padding", (Padding){0,0,0,0,FALSE});
+    widget->pad = (Padding){ {0, PW_PX}, {0, PW_PX}, {0, PW_PX}, {0, PW_PX}};
+    widget->pad = rofi_theme_get_padding (widget->class_name, widget->name, NULL, "padding", widget->pad);
 
 }
 
@@ -210,33 +211,35 @@ void widget_set_name ( widget *wid, const char *name )
     wid->name = g_strdup ( name );
 }
 
+// External
+double textbox_get_estimated_char_width ( void );
 int widget_padding_get_left ( const widget *wid )
 {
-    if ( wid->pad.left < 0 ){
-        return (wid->w*-wid->pad.left)/100;
+    if ( wid->pad.left.type == PW_EM ){
+        return wid->pad.left.distance*textbox_get_estimated_char_width();
     }
-    return wid->pad.left;
+    return wid->pad.left.distance;
 }
 int widget_padding_get_right ( const widget *wid )
 {
-    if ( wid->pad.right < 0 ){
-        return (wid->w*-wid->pad.right)/100;
+    if ( wid->pad.right.type == PW_EM ){
+        return wid->pad.right.distance*textbox_get_estimated_char_width();
     }
-    return wid->pad.right;
+    return wid->pad.right.distance;
 }
 int widget_padding_get_top ( const widget *wid )
 {
-    if ( wid->pad.top < 0 ){
-        return (wid->h*-wid->pad.top)/100;
+    if ( wid->pad.top.type == PW_EM ){
+        return wid->pad.top.distance*textbox_get_estimated_char_width();
     }
-    return wid->pad.top;
+    return wid->pad.top.distance;
 }
 int widget_padding_get_bottom ( const widget *wid )
 {
-    if ( wid->pad.bottom < 0 ){
-        return (wid->h*-wid->pad.bottom)/100;
+    if ( wid->pad.bottom.type == PW_EM ){
+        return wid->pad.bottom.distance*textbox_get_estimated_char_width();
     }
-    return wid->pad.bottom;
+    return wid->pad.bottom.distance;
 }
 
 int widget_padding_get_remaining_width ( const widget *wid )