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Issue893: Add support for @media in the theme format. (#1015)

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* [Lexer] Add support for @media.

Issue: #893

* [Theme] @media limit to px.

* [Theme@Media] add *{} support.

* [Theme@Media] Add support for monitor-id media.

* [Theme@Media] Code cleanup.

* [Theme@Media] Add min/max-aspect-ratio.

* [Theme@Media] Remove some debug output

Fixes: #893
This commit is contained in:
Dave Davenport 2019-09-20 15:05:36 +02:00 committed by GitHub
parent f28cf0207e
commit 7c613f6a4c
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 319 additions and 5 deletions
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27
include/theme.h
View file

@ -32,6 +32,24 @@
#include <widgets/widget.h>
#include "rofi-types.h"
typedef enum {
THEME_MEDIA_TYPE_MIN_WIDTH,
THEME_MEDIA_TYPE_MAX_WIDTH,
THEME_MEDIA_TYPE_MIN_HEIGHT,
THEME_MEDIA_TYPE_MAX_HEIGHT,
THEME_MEDIA_TYPE_MON_ID,
THEME_MEDIA_TYPE_MIN_ASPECT_RATIO,
THEME_MEDIA_TYPE_MAX_ASPECT_RATIO,
THEME_MEDIA_TYPE_INVALID,
} ThemeMediaType;
typedef struct ThemeMedia {
ThemeMediaType type;
double value;
} ThemeMedia;
/**
* ThemeWidget.
*/
@ -43,6 +61,8 @@ typedef struct ThemeWidget
unsigned int num_widgets;
struct ThemeWidget **widgets;
ThemeMedia *media;
GHashTable *properties;
struct ThemeWidget *parent;
@ -323,4 +343,11 @@ char *helper_get_theme_path ( const char *file );
* @returns full path to file.
*/
char * rofi_theme_parse_prepare_file ( const char *file, const char *parent_file );
/**
* Process conditionals.
*/
void rofi_theme_parse_process_conditionals ( void );
void rofi_theme_parse_merge_widgets ( ThemeWidget *parent, ThemeWidget *child );
ThemeMediaType rofi_theme_parse_media_type ( const char *type );
#endif

64
lexer/theme-lexer.l
View file

@ -239,6 +239,8 @@ C_COMMENT_OPEN "/*"
INCLUDE "@import"
THEME "@theme"
MEDIA "@media"
CONFIGURATION (?i:configuration)
%x INCLUDE
@ -250,6 +252,8 @@ CONFIGURATION (?i:configuration)
%x NAMESTR
%x SECTION
%x DEFAULTS
%x MEDIA
%x MEDIA_CONTENT
%%
%{
@ -424,13 +428,13 @@ if ( queue == NULL ){
/* After Namestr/Classstr we want to go to state str, then to { */
<INITIAL,SECTION>{WHITESPACE}+ ; // ignore all whitespace
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT,PROPERTIES_LIST,PROPERTIES_VAR>{WHITESPACE}+ ; // ignore all whitespace
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT,PROPERTIES_LIST,PROPERTIES_VAR,MEDIA_CONTENT>{WHITESPACE}+ ; // ignore all whitespace
<SECTION>":" { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(PROPERTIES); return T_PSEP; }
<PROPERTIES>";" { BEGIN(GPOINTER_TO_INT ( g_queue_pop_head ( queue ))); return T_PCLOSE;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>(true|false) { yylval->bval= g_strcmp0(yytext, "true") == 0; return T_BOOLEAN;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{PNNUMBER}\.{NUMBER}+ { yylval->fval = g_ascii_strtod(yytext, NULL); return T_DOUBLE;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{PNNUMBER} { yylval->ival = (int)g_ascii_strtoll(yytext, NULL, 10); return T_INT;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT,MEDIA_CONTENT>{PNNUMBER}\.{NUMBER}+ { yylval->fval = g_ascii_strtod(yytext, NULL); return T_DOUBLE;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT,MEDIA_CONTENT>{PNNUMBER} { yylval->ival = (int)g_ascii_strtoll(yytext, NULL, 10); return T_INT;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{STRING} { yytext[yyleng-1] = '\0'; yylval->sval = g_strcompress(&yytext[1]); return T_STRING;}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>@{WORD} {
@ -440,7 +444,7 @@ if ( queue == NULL ){
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{EM} { return T_UNIT_EM; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{CH} { return T_UNIT_CH; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{PX} { return T_UNIT_PX; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT,MEDIA_CONTENT>{PX} { return T_UNIT_PX; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{PERCENT} { return T_PERCENT; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{LS_SOLID} { return T_SOLID; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{LS_DASH} { return T_DASH; }
@ -619,6 +623,50 @@ if ( queue == NULL ){
yylloc->last_line ++;
};
<INITIAL>{MEDIA} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(MEDIA);
return T_MEDIA;
}
<MEDIA>{S_T_PARENT_LEFT} {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(MEDIA_CONTENT);
return T_PARENT_LEFT;
}
<MEDIA_CONTENT>{WORD} {
yylval->sval = g_strdup(yytext);
return T_STRING;
}
<MEDIA_CONTENT>":" {
return T_PSEP;
}
<MEDIA_CONTENT>{S_T_PARENT_RIGHT} {
int id = GPOINTER_TO_INT(g_queue_pop_head ( queue ));
BEGIN(id);
return T_PARENT_RIGHT;
}
<MEDIA>"\{" {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(INITIAL);
return T_BOPEN;
}
<INITIAL>"\}" {
g_queue_pop_head ( queue );
BEGIN(GPOINTER_TO_INT(g_queue_pop_head ( queue )));
return T_BCLOSE;
}
<MEDIA>{WHITESPACE}+ ; // ignore all whitespace
<MEDIA,MEDIA_CONTENT>. {
yytext[yyleng-1] = '\0';
fprintf(stderr,"found: |%s|\n", yytext);
return T_ERROR;
}
/**
* If we just encounter a word, we assume it is a Widget name.
* This makes include,theme, configuration a reserved keyword.
@ -630,9 +678,13 @@ if ( queue == NULL ){
return T_NAME_ELEMENT;
}
<INITIAL>. {
yytext[yyleng-1] = '\0';
fprintf(stderr,"initial found: |%s|\n", yytext);
return T_ERROR;
}
<SECTION>. {
yytext[yyleng-1] = '\0';
fprintf(stderr,"section found: |%s|\n", yytext);
return T_ERROR_SECTION;
}
<PROPERTIES_LIST,PROPERTIES_VAR>{WORD} {
@ -646,9 +698,13 @@ if ( queue == NULL ){
}
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT,PROPERTIES_LIST>. {
yytext[yyleng-1] = '\0';
fprintf(stderr,"prop found: |%s|\n", yytext);
return T_ERROR_PROPERTY;
}
<NAMESTR>. {
yytext[yyleng-1] = '\0';
fprintf(stderr,"namestr found: |%s|\n", yytext);
return T_ERROR_NAMESTRING;
}
%%

102
lexer/theme-parser.y
View file

@ -172,6 +172,8 @@ static ThemeColor hwb_to_rgb ( double h, double w, double b)
%token T_POS_NORTH "North"
%token T_POS_SOUTH "South"
%token T_MEDIA "@media"
%token T_NONE "None"
%token T_BOLD "Bold"
%token T_ITALIC "Italic"
@ -223,8 +225,17 @@ static ThemeColor hwb_to_rgb ( double h, double w, double b)
%token T_INHERIT "Inherit"
%token T_MEDIA_WIDTH "Width"
%token T_MEDIA_HEIGHT "Height"
%token T_MEDIA_MIN "Min"
%token T_MEDIA_MONITOR_ID "Monitor-ID"
%token T_MEDIA_MAX "Max"
%token T_MEDIA_SEP "-"
%type <sval> t_entry
%type <theme> t_entry_list
%type <theme> t_media_entry_list
%type <list> t_entry_name_path
%type <list> t_entry_name_path_selectors
%type <property> t_property
@ -280,6 +291,56 @@ t_entry_list:
}
;
t_media_entry_list:
t_name_prefix_optional t_entry_name_path_selectors T_BOPEN t_property_list_optional T_BCLOSE {
ThemeWidget *widget = $$ = g_slice_new0 ( ThemeWidget );
for ( GList *liter = g_list_first ( $2); liter; liter = g_list_next ( liter ) ) {
for ( GList *iter = g_list_first ( (GList*)liter->data ); widget && iter ; iter = g_list_next ( iter ) ) {
widget = rofi_theme_find_or_create_name ( widget, iter->data );
}
g_list_free_full ( (GList*)liter->data, g_free );
widget->set = TRUE;
rofi_theme_widget_add_properties ( widget, $4);
}
if ( $4 ) {
g_hash_table_destroy ( $4 );
}
g_list_free ( $2 );
}
| T_PDEFAULTS T_BOPEN t_property_list_optional T_BCLOSE {
ThemeWidget *widget = $$ = g_slice_new0( ThemeWidget ) ;
widget = rofi_theme_find_or_create_name ( widget, "*" );
widget->set = TRUE;
rofi_theme_widget_add_properties ( widget, $3);
if ( $3 ) {
g_hash_table_destroy ( $3 );
}
}
| t_media_entry_list T_PDEFAULTS T_BOPEN t_property_list_optional T_BCLOSE {
ThemeWidget *widget = $$ = $1 ;
widget = rofi_theme_find_or_create_name ( widget, "*" );
widget->set = TRUE;
rofi_theme_widget_add_properties ( widget, $4);
if ( $4 ) {
g_hash_table_destroy ( $4 );
}
}
| t_media_entry_list t_name_prefix_optional t_entry_name_path_selectors T_BOPEN t_property_list_optional T_BCLOSE {
ThemeWidget *widget = $$ = $1 ;
for ( GList *liter = g_list_first ( $3); liter; liter = g_list_next ( liter ) ) {
for ( GList *iter = g_list_first ( (GList*)liter->data ); widget && iter ; iter = g_list_next ( iter ) ) {
widget = rofi_theme_find_or_create_name ( widget, iter->data );
}
g_list_free_full ( (GList*)liter->data, g_free );
widget->set = TRUE;
rofi_theme_widget_add_properties ( widget, $5);
}
if ( $5 ) {
g_hash_table_destroy ( $5 );
}
g_list_free ( $3 );
};
/**
* Small dummy object to make the prefix optional.
*/
@ -293,7 +354,7 @@ t_name_prefix_optional t_entry_name_path_selectors T_BOPEN t_property_list_optio
{
for ( GList *liter = g_list_first ( $2); liter; liter = g_list_next ( liter ) ) {
ThemeWidget *widget = rofi_theme;
for ( GList *iter = g_list_first ( (GList*)liter->data ); iter ; iter = g_list_next ( iter ) ) {
for ( GList *iter = g_list_first ( (GList*)liter->data ); widget && iter ; iter = g_list_next ( iter ) ) {
widget = rofi_theme_find_or_create_name ( widget, iter->data );
}
g_list_free_full ( (GList*)liter->data, g_free );
@ -312,6 +373,45 @@ t_name_prefix_optional t_entry_name_path_selectors T_BOPEN t_property_list_optio
g_hash_table_destroy ( $3 );
}
}
| T_MEDIA T_PARENT_LEFT T_STRING T_PSEP T_INT T_PARENT_RIGHT T_BOPEN t_media_entry_list T_BCLOSE {
gchar *name = g_strdup_printf("@media ( %s: %d )",$3, $5);
ThemeWidget *widget = rofi_theme_find_or_create_name ( rofi_theme, name );
widget->set = TRUE;
widget->media = g_malloc0(sizeof(ThemeMedia));
widget->media->type = rofi_theme_parse_media_type ( $3 );
widget->media->value = (double)$5;
for ( unsigned int i = 0; i < $8->num_widgets;i++) {
ThemeWidget *d = $8->widgets[i];
rofi_theme_parse_merge_widgets(widget, d);
}
g_free ( name );
}
| T_MEDIA T_PARENT_LEFT T_STRING T_PSEP T_DOUBLE T_PARENT_RIGHT T_BOPEN t_media_entry_list T_BCLOSE {
gchar *name = g_strdup_printf("@media ( %s: %f )",$3, $5);
ThemeWidget *widget = rofi_theme_find_or_create_name ( rofi_theme, name );
widget->set = TRUE;
widget->media = g_malloc0(sizeof(ThemeMedia));
widget->media->type = rofi_theme_parse_media_type ( $3 );
widget->media->value = $5;
for ( unsigned int i = 0; i < $8->num_widgets;i++) {
ThemeWidget *d = $8->widgets[i];
rofi_theme_parse_merge_widgets(widget, d);
}
g_free ( name );
}
| T_MEDIA T_PARENT_LEFT T_STRING T_PSEP T_INT T_UNIT_PX T_PARENT_RIGHT T_BOPEN t_media_entry_list T_BCLOSE {
gchar *name = g_strdup_printf("@media ( %s: %d px )",$3, $5);
ThemeWidget *widget = rofi_theme_find_or_create_name ( rofi_theme, name );
widget->set = TRUE;
widget->media = g_malloc0(sizeof(ThemeMedia));
widget->media->type = rofi_theme_parse_media_type ( $3 );
widget->media->value = (double)$5;
for ( unsigned int i = 0; i < $9->num_widgets;i++) {
ThemeWidget *d = $9->widgets[i];
rofi_theme_parse_merge_widgets(widget, d);
}
g_free ( name );
}
;
t_config_property_list_optional

3
source/rofi.c
View file

@ -999,6 +999,9 @@ int main ( int argc, char *argv[] )
}
TICK_N ( "Setup late Display" );
rofi_theme_parse_process_conditionals ();
TICK_N ( "Theme setup" );
// Setup signal handling sources.
// SIGINT
g_unix_signal_add ( SIGINT, main_loop_signal_handler_int, NULL );

128
source/theme.c
View file

@ -1021,3 +1021,131 @@ char * rofi_theme_parse_prepare_file ( const char *file, const char *parent_file
return filename;
}
void rofi_theme_parse_merge_widgets ( ThemeWidget *parent, ThemeWidget *child )
{
g_assert ( parent != NULL );
g_assert ( child != NULL );
if ( parent == rofi_theme && g_strcmp0(child->name, "*") == 0 ){
rofi_theme_widget_add_properties ( parent, child->properties);
return;
}
ThemeWidget *w = rofi_theme_find_or_create_name ( parent, child->name);
rofi_theme_widget_add_properties ( w, child->properties);
for ( unsigned int i =0; i < child->num_widgets; i++) {
rofi_theme_parse_merge_widgets ( w, child->widgets[i]);
}
}
void rofi_theme_parse_process_conditionals ( void )
{
workarea mon;
monitor_active ( &mon );
if ( rofi_theme == NULL ) return;
for ( unsigned int i = 0; i < rofi_theme->num_widgets; i++ ) {
ThemeWidget *widget = rofi_theme->widgets[i];
if ( widget->media != NULL ) {
switch ( widget->media->type )
{
case THEME_MEDIA_TYPE_MIN_WIDTH:
{
int w = widget->media->value;
if ( mon.w >= w ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
case THEME_MEDIA_TYPE_MAX_WIDTH:
{
int w = widget->media->value;
if ( mon.w < w ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
case THEME_MEDIA_TYPE_MIN_HEIGHT:
{
int h = widget->media->value;
if ( mon.h >= h ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
case THEME_MEDIA_TYPE_MAX_HEIGHT:
{
int h = widget->media->value;
if ( mon.h < h ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
case THEME_MEDIA_TYPE_MON_ID:
{
if ( mon.monitor_id == widget->media->value ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
case THEME_MEDIA_TYPE_MIN_ASPECT_RATIO:
{
double r = widget->media->value;
if ( (mon.w/(double)mon.h) >= r ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
case THEME_MEDIA_TYPE_MAX_ASPECT_RATIO:
{
double r = widget->media->value;
if ( (mon.w/(double)mon.h) < r ){
for ( unsigned int x =0; x < widget->num_widgets; x++) {
rofi_theme_parse_merge_widgets ( rofi_theme, widget->widgets[x] );
}
}
break;
}
default:
{
break;
}
}
}
}
}
ThemeMediaType rofi_theme_parse_media_type ( const char *type )
{
if ( g_strcmp0( type, "monitor-id" ) == 0 ) {
return THEME_MEDIA_TYPE_MON_ID;
} else if ( g_strcmp0 ( type, "min-width") == 0 ) {
return THEME_MEDIA_TYPE_MIN_WIDTH;
} else if ( g_strcmp0 ( type, "min-height") == 0 ) {
return THEME_MEDIA_TYPE_MIN_HEIGHT;
} else if ( g_strcmp0 ( type, "max-width") == 0 ) {
return THEME_MEDIA_TYPE_MAX_WIDTH;
} else if ( g_strcmp0 ( type, "max-height") == 0 ) {
return THEME_MEDIA_TYPE_MAX_HEIGHT;
} else if ( g_strcmp0 ( type, "min-aspect-ratio") == 0 ) {
return THEME_MEDIA_TYPE_MIN_ASPECT_RATIO;
} else if ( g_strcmp0 ( type, "max-aspect-ratio") == 0 ) {
return THEME_MEDIA_TYPE_MAX_ASPECT_RATIO;
}
return THEME_MEDIA_TYPE_INVALID;
}