rofi/source/theme.c
2017-05-27 17:08:46 +02:00

753 lines
25 KiB
C

/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2017 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#define G_LOG_DOMAIN "Theme"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include "theme.h"
#include "theme-parser.h"
#include "helper.h"
#include "settings.h"
#include "widgets/textbox.h"
#include "view.h"
#include "rofi.h"
/**
* Name of the property type
*/
const char *PropertyTypeName[] = {
/** Integer */
"Integer",
/** Double */
"Double",
/** String */
"String",
/** Boolean */
"Boolean",
/** Color */
"Color",
/** Padding */
"Padding",
/** Link to global setting */
"Reference",
/** Position */
"Position",
/** Highlight */
"Highlight",
};
void yyerror ( YYLTYPE *yylloc, const char *, const char * );
static gboolean distance_compare ( Distance d, Distance e )
{
return d.type == e.type && d.distance == e.distance && d.style == e.style;
}
ThemeWidget *rofi_theme_find_or_create_name ( ThemeWidget *base, const char *name )
{
for ( unsigned int i = 0; i < base->num_widgets; i++ ) {
if ( g_strcmp0 ( base->widgets[i]->name, name ) == 0 ) {
return base->widgets[i];
}
}
base->widgets = g_realloc ( base->widgets, sizeof ( ThemeWidget* ) * ( base->num_widgets + 1 ) );
base->widgets[base->num_widgets] = g_slice_new0 ( ThemeWidget );
ThemeWidget *retv = base->widgets[base->num_widgets];
retv->parent = base;
retv->name = g_strdup ( name );
base->num_widgets++;
return retv;
}
/**
* Properties
*/
Property *rofi_theme_property_create ( PropertyType type )
{
Property *retv = g_slice_new0 ( Property );
retv->type = type;
return retv;
}
void rofi_theme_property_free ( Property *p )
{
if ( p == NULL ) {
return;
}
g_free ( p->name );
if ( p->type == P_STRING ) {
g_free ( p->value.s );
}
else if ( p->type == P_LINK ) {
g_free ( p->value.link.name );
}
g_slice_free ( Property, p );
}
void rofi_theme_free ( ThemeWidget *widget )
{
if ( widget == NULL ) {
return;
}
if ( widget->properties ) {
g_hash_table_destroy ( widget->properties );
widget->properties = NULL;
}
for ( unsigned int i = 0; i < widget->num_widgets; i++ ) {
rofi_theme_free ( widget->widgets[i] );
}
g_free ( widget->widgets );
g_free ( widget->name );
g_slice_free ( ThemeWidget, widget );
}
/**
* print
*/
static void rofi_theme_print_distance ( Distance d )
{
if ( d.type == PW_PX ) {
printf ( "%upx ", (unsigned int) d.distance );
}
else if ( d.type == PW_PERCENT ) {
printf ( "%f%% ", d.distance );
}
else {
printf ( "%fem ", d.distance );
}
if ( d.style == DASH ) {
printf ( "dash " );
}
}
/** Textual representation of Window Location */
const char * const WindowLocationStr[9] = {
"center",
"northwest",
"north",
"northeast",
"east",
"southeast",
"south",
"southwest",
"west"
};
static void rofi_theme_print_property_index ( size_t pnl, int depth, Property *p )
{
int pl = strlen ( p->name );
printf ( "%*s%s:%*s ", depth, "", p->name, (int) pnl - pl, "" );
switch ( p->type )
{
case P_HIGHLIGHT:
if ( p->value.highlight.style & HL_BOLD ) {
printf ( "bold " );
}
if ( p->value.highlight.style & HL_UNDERLINE ) {
printf ( "underline " );
}
if ( p->value.highlight.style & HL_STRIKETHROUGH ) {
printf ( "strikethrough " );
}
if ( p->value.highlight.style & HL_ITALIC ) {
printf ( "italic " );
}
if ( p->value.highlight.style & HL_COLOR ) {
printf ( "rgba ( %.0f, %.0f, %.0f, %.0f %% )",
( p->value.highlight.color.red * 255.0 ),
( p->value.highlight.color.green * 255.0 ),
( p->value.highlight.color.blue * 255.0 ),
( p->value.highlight.color.alpha * 100.0 ) );
}
printf ( ";" );
break;
case P_POSITION:
printf ( "%s;", WindowLocationStr[p->value.i] );
break;
case P_STRING:
printf ( "\"%s\";", p->value.s );
break;
case P_INTEGER:
printf ( "%d;", p->value.i );
break;
case P_DOUBLE:
printf ( "%.2f;", p->value.f );
break;
case P_BOOLEAN:
printf ( "%s;", p->value.b ? "true" : "false" );
break;
case P_COLOR:
printf ( "rgba ( %.0f, %.0f, %.0f, %.0f %% );",
( p->value.color.red * 255.0 ),
( p->value.color.green * 255.0 ),
( p->value.color.blue * 255.0 ),
( p->value.color.alpha * 100.0 ) );
break;
case P_PADDING:
if ( distance_compare ( p->value.padding.top, p->value.padding.bottom ) &&
distance_compare ( p->value.padding.left, p->value.padding.right ) &&
distance_compare ( p->value.padding.left, p->value.padding.top ) ) {
rofi_theme_print_distance ( p->value.padding.left );
}
else if ( distance_compare ( p->value.padding.top, p->value.padding.bottom ) &&
distance_compare ( p->value.padding.left, p->value.padding.right ) ) {
rofi_theme_print_distance ( p->value.padding.top );
rofi_theme_print_distance ( p->value.padding.left );
}
else if ( !distance_compare ( p->value.padding.top, p->value.padding.bottom ) &&
distance_compare ( p->value.padding.left, p->value.padding.right ) ) {
rofi_theme_print_distance ( p->value.padding.top );
rofi_theme_print_distance ( p->value.padding.left );
rofi_theme_print_distance ( p->value.padding.bottom );
}
else {
rofi_theme_print_distance ( p->value.padding.top );
rofi_theme_print_distance ( p->value.padding.right );
rofi_theme_print_distance ( p->value.padding.bottom );
rofi_theme_print_distance ( p->value.padding.left );
}
printf ( ";" );
break;
case P_LINK:
printf ( "%s;", p->value.link.name );
break;
}
putchar ( '\n' );
}
static void rofi_theme_print_index ( ThemeWidget *widget )
{
GHashTableIter iter;
gpointer key, value;
if ( widget->properties ) {
int index = 0;
GList *list = NULL;
ThemeWidget *w = widget;
while ( w ) {
if ( g_strcmp0 ( w->name, "Root" ) == 0 ) {
break;
}
list = g_list_prepend ( list, w->name );
w = w->parent;
}
if ( g_list_length ( list ) > 0 ) {
index = 4;
for ( GList *iter = g_list_first ( list ); iter != NULL; iter = g_list_next ( iter ) ) {
char *name = (char *) iter->data;
if ( iter->prev == NULL ) {
putchar ( '#' );
}
fputs ( name, stdout );
if ( iter->next ) {
putchar ( '.' );
}
}
printf ( " {\n" );
}
else {
index = 4;
printf ( "* {\n" );
}
size_t property_name_length = 0;
g_hash_table_iter_init ( &iter, widget->properties );
while ( g_hash_table_iter_next ( &iter, &key, &value ) ) {
Property *p = (Property *) value;
property_name_length = MAX ( strlen ( p->name ), property_name_length );
}
g_hash_table_iter_init ( &iter, widget->properties );
while ( g_hash_table_iter_next ( &iter, &key, &value ) ) {
Property *p = (Property *) value;
rofi_theme_print_property_index ( property_name_length, index, p );
}
printf ( "}\n" );
g_list_free ( list );
}
for ( unsigned int i = 0; i < widget->num_widgets; i++ ) {
rofi_theme_print_index ( widget->widgets[i] );
}
}
void rofi_theme_print ( ThemeWidget *widget )
{
if ( widget != NULL ) {
rofi_theme_print_index ( widget );
}
}
/**
* Main lex parser.
*/
int yyparse ();
/**
* Destroy the internal of lex parser.
*/
void yylex_destroy ( void );
/**
* Global handle input file to flex parser.
*/
extern FILE* yyin;
/**
* @param yylloc The file location.
* @param what What we are parsing, filename or string.
* @param s Error message string.
*
* Error handler for the lex parser.
*/
void yyerror ( YYLTYPE *yylloc, const char *what, const char* s )
{
char *what_esc = what ? g_markup_escape_text ( what, -1 ) : g_strdup ( "" );
GString *str = g_string_new ( "" );
g_string_printf ( str, "<big><b>Error while parsing theme:</b></big> <i>%s</i>\n", what_esc );
g_free ( what_esc );
char *esc = g_markup_escape_text ( s, -1 );
g_string_append_printf ( str, "\tParser error: <span size=\"smaller\" style=\"italic\">%s</span>\n", esc );
g_free ( esc );
if ( yylloc->filename != NULL ) {
g_string_append_printf ( str, "\tLocation: line %d column %d to line %d column %d.\n" \
"\tFile '%s'\n", yylloc->first_line, yylloc->first_column, yylloc->last_line, yylloc->last_column, yylloc->filename );
}
else {
g_string_append_printf ( str, "\tLocation: line %d column %d to line %d column %d\n", yylloc->first_line, yylloc->first_column, yylloc->last_line, yylloc->last_column );
}
g_log ( "Parser", G_LOG_LEVEL_DEBUG, "Failed to parse theme:\n%s", str->str );
rofi_add_error_message ( str );
}
static gboolean rofi_theme_steal_property_int ( gpointer key, gpointer value, gpointer user_data )
{
GHashTable *table = (GHashTable *) user_data;
g_hash_table_replace ( table, key, value );
return TRUE;
}
void rofi_theme_widget_add_properties ( ThemeWidget *widget, GHashTable *table )
{
if ( table == NULL ) {
return;
}
if ( widget->properties == NULL ) {
widget->properties = table;
return;
}
g_hash_table_foreach_steal ( table, rofi_theme_steal_property_int, widget->properties );
g_hash_table_destroy ( table );
}
/**
* Public API
*/
static inline ThemeWidget *rofi_theme_find_single ( ThemeWidget *widget, const char *name )
{
for ( unsigned int j = 0; j < widget->num_widgets; j++ ) {
if ( g_strcmp0 ( widget->widgets[j]->name, name ) == 0 ) {
return widget->widgets[j];
}
}
return widget;
}
static ThemeWidget *rofi_theme_find ( ThemeWidget *widget, const char *name, const gboolean exact )
{
if ( widget == NULL || name == NULL ) {
return widget;
}
char *tname = g_strdup ( name );
char *saveptr = NULL;
int found = TRUE;
for ( const char *iter = strtok_r ( tname, ".", &saveptr ); iter != NULL; iter = strtok_r ( NULL, ".", &saveptr ) ) {
found = FALSE;
ThemeWidget *f = rofi_theme_find_single ( widget, iter );
if ( f != widget ) {
widget = f;
found = TRUE;
} else if ( exact ) {
break;
}
}
g_free ( tname );
if ( !exact || found ) {
return widget;
}
else {
return NULL;
}
}
static void rofi_theme_resolve_link_property ( Property *p, int depth )
{
// Set name, remove '@' prefix.
const char *name = p->value.link.name + 1;
if ( depth > 20 ) {
g_warning ( "Found more then 20 redirects for property. Stopping." );
p->value.link.ref = p;
return;
}
if ( rofi_theme->properties && g_hash_table_contains ( rofi_theme->properties, name ) ) {
Property *pr = g_hash_table_lookup ( rofi_theme->properties, name );
if ( pr->type == P_LINK ) {
if ( pr->value.link.ref == NULL ) {
rofi_theme_resolve_link_property ( pr, depth + 1 );
}
if ( pr->value.link.ref != pr ) {
p->value.link.ref = pr->value.link.ref;
return;
}
}
else {
p->value.link.ref = pr;
return;
}
}
// No found, set ref to self.
p->value.link.ref = p;
}
Property *rofi_theme_find_property ( ThemeWidget *widget, PropertyType type, const char *property, gboolean exact )
{
while ( widget ) {
if ( widget->properties && g_hash_table_contains ( widget->properties, property ) ) {
Property *p = g_hash_table_lookup ( widget->properties, property );
if ( p->type == P_LINK ) {
if ( p->value.link.ref == NULL ) {
// Resolve link.
rofi_theme_resolve_link_property ( p, 0 );
}
if ( p->value.link.ref != NULL && p->value.link.ref->type == type ) {
return p->value.link.ref;
}
}
if ( p->type == type ) {
return p;
}
// Padding and integer can be converted.
if ( p->type == P_INTEGER && type == P_PADDING ) {
return p;
}
g_debug ( "Found property: '%s' on '%s', but type %s does not match expected type %s.",
property, widget->name,
PropertyTypeName[p->type],
PropertyTypeName[type]
);
}
if ( exact ) {
return NULL;
}
widget = widget->parent;
}
return NULL;
}
ThemeWidget *rofi_theme_find_widget ( const char *name, const char *state, gboolean exact )
{
// First find exact match based on name.
ThemeWidget *widget = rofi_theme_find ( rofi_theme, name, exact );
widget = rofi_theme_find ( widget, state, exact );
return widget;
}
int rofi_theme_get_position ( const widget *widget, const char *property, int def )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_POSITION, property, FALSE );
if ( p ) {
return p->value.i;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return def;
}
int rofi_theme_get_integer ( const widget *widget, const char *property, int def )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_INTEGER, property, FALSE );
if ( p ) {
return p->value.i;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return def;
}
int rofi_theme_get_integer_exact ( const widget *widget, const char *property, int def )
{
// State is note considered when doing exact match, only base name.
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, NULL, TRUE );
Property *p = rofi_theme_find_property ( wid, P_INTEGER, property, TRUE );
if ( p ) {
return p->value.i;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return def;
}
static Distance _rofi_theme_get_distance ( const widget *widget, const char *property, int def , gboolean exact)
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, exact );
Property *p = rofi_theme_find_property ( wid, P_PADDING, property, exact );
if ( p ) {
if ( p->type == P_INTEGER ) {
return (Distance){ p->value.i, PW_PX, SOLID };
}
else {
return p->value.padding.left;
}
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return (Distance){ def, PW_PX, SOLID };
}
Distance rofi_theme_get_distance_exact ( const widget *widget, const char *property, int def )
{
return _rofi_theme_get_distance ( widget, property, def , TRUE );
}
Distance rofi_theme_get_distance ( const widget *widget, const char *property, int def )
{
return _rofi_theme_get_distance ( widget, property, def , FALSE);
}
int rofi_theme_get_boolean ( const widget *widget, const char *property, int def )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_BOOLEAN, property, FALSE );
if ( p ) {
return p->value.b;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return def;
}
const char *rofi_theme_get_string ( const widget *widget, const char *property, char *def )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_STRING, property, FALSE );
if ( p ) {
return p->value.s;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return def;
}
double rofi_theme_get_double ( const widget *widget, const char *property, double def )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_DOUBLE, property, FALSE );
if ( p ) {
return p->value.f;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return def;
}
void rofi_theme_get_color ( const widget *widget, const char *property, cairo_t *d )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_COLOR, property, FALSE );
if ( p ) {
cairo_set_source_rgba ( d,
p->value.color.red,
p->value.color.green,
p->value.color.blue,
p->value.color.alpha
);
}
else {
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
}
}
Padding rofi_theme_get_padding ( const widget *widget, const char *property, Padding pad )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_PADDING, property, FALSE );
if ( p ) {
if ( p->type == P_PADDING ) {
pad = p->value.padding;
}
else {
Distance d = (Distance){ p->value.i, PW_PX, SOLID };
return (Padding){ d, d, d, d };
}
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return pad;
}
GList *rofi_theme_get_list ( const widget *widget, const char * property, const char *defaults )
{
ThemeWidget *wid2 = rofi_theme_find_widget ( widget->name, widget->state, TRUE );
Property *p = rofi_theme_find_property ( wid2, P_LIST, property, TRUE);
if ( p ) {
if ( p->type == P_LIST ){
return g_list_copy_deep ( p->value.list, g_strdup, NULL );
}
}
char **r = defaults?g_strsplit (defaults, ",",0):NULL;
if ( r ){
GList *l = NULL;
for ( int i =0; r[i] != NULL; i++){
l = g_list_append(l, r[i]);
}
g_free(r);
return l;
}
return NULL;
}
ThemeHighlight rofi_theme_get_highlight ( widget *widget, const char *property, ThemeHighlight th )
{
ThemeWidget *wid = rofi_theme_find_widget ( widget->name, widget->state, FALSE );
Property *p = rofi_theme_find_property ( wid, P_HIGHLIGHT, property, FALSE );
if ( p ) {
return p->value.highlight;
}
g_debug ( "Theme entry: #%s %s property %s unset.", widget->name, widget->state ? widget->state : "", property );
return th;
}
int distance_get_pixel ( Distance d, Orientation ori )
{
if ( d.type == PW_EM ) {
return d.distance * textbox_get_estimated_char_height ();
}
else if ( d.type == PW_PERCENT ) {
if ( ori == ORIENTATION_VERTICAL ) {
int height = 0;
rofi_view_get_current_monitor ( NULL, &height );
return ( d.distance * height ) / ( 100.0 );
}
else {
int width = 0;
rofi_view_get_current_monitor ( &width, NULL );
return ( d.distance * width ) / ( 100.0 );
}
}
return d.distance;
}
void distance_get_linestyle ( Distance d, cairo_t *draw )
{
if ( d.style == DASH ) {
const double dashes[1] = { 4 };
cairo_set_dash ( draw, dashes, 1, 0.0 );
}
else {
cairo_set_dash ( draw, NULL, 0, 0.0 );
}
}
gboolean rofi_theme_is_empty ( void )
{
if ( rofi_theme == NULL ) {
return TRUE;
}
if ( rofi_theme->properties == NULL && rofi_theme->num_widgets == 0 ) {
return TRUE;
}
return FALSE;
}
#ifdef THEME_CONVERTER
static char * rofi_theme_convert_color ( char *col )
{
char *r = g_strstrip ( col );
if ( *r == '#' && strlen ( r ) == 9 ) {
char t1 = r[7];
char t2 = r[8];
r[7] = r[1];
r[8] = r[2];
r[1] = t1;
r[2] = t2;
}
return r;
}
void rofi_theme_convert_old ( void )
{
if ( config.color_window ) {
char **retv = g_strsplit ( config.color_window, ",", -1 );
const char * const conf[] = {
"* { background: %s; }",
"* { bordercolor: %s; }",
"* { separatorcolor: %s; }"
};
for ( int i = 0; retv && retv[i] && i < 3; i++ ) {
char *str = g_strdup_printf ( conf[i], rofi_theme_convert_color ( retv[i] ) );
rofi_theme_parse_string ( str );
g_free ( str );
}
g_strfreev ( retv );
}
if ( config.color_normal ) {
char **retv = g_strsplit ( config.color_normal, ",", -1 );
const char * const conf[] = {
"* { normal-background: %s; }",
"* { foreground: %s; normal-foreground: @foreground; alternate-normal-foreground: @foreground; }",
"* { alternate-normal-background: %s; }",
"* { selected-normal-background: %s; }",
"* { selected-normal-foreground: %s; }"
};
for ( int i = 0; retv && retv[i]; i++ ) {
char *str = g_strdup_printf ( conf[i], rofi_theme_convert_color ( retv[i] ) );
rofi_theme_parse_string ( str );
g_free ( str );
}
g_strfreev ( retv );
}
if ( config.color_urgent ) {
char **retv = g_strsplit ( config.color_urgent, ",", -1 );
const char * const conf[] = {
"* { urgent-background: %s; }",
"* { urgent-foreground: %s; alternate-urgent-foreground: @urgent-foreground;}",
"* { alternate-urgent-background: %s; }",
"* { selected-urgent-background: %s; }",
"* { selected-urgent-foreground: %s; }"
};
for ( int i = 0; retv && retv[i]; i++ ) {
char *str = g_strdup_printf ( conf[i], rofi_theme_convert_color ( retv[i] ) );
rofi_theme_parse_string ( str );
g_free ( str );
}
g_strfreev ( retv );
}
if ( config.color_active ) {
char **retv = g_strsplit ( config.color_active, ",", -1 );
const char * const conf[] = {
"* { active-background: %s; }",
"* { active-foreground: %s; alternate-active-foreground: @active-foreground;}",
"* { alternate-active-background: %s; }",
"* { selected-active-background: %s; }",
"* { selected-active-foreground: %s; }"
};
for ( int i = 0; retv && retv[i]; i++ ) {
char *str = g_strdup_printf ( conf[i], rofi_theme_convert_color ( retv[i] ) );
rofi_theme_parse_string ( str );
g_free ( str );
}
g_strfreev ( retv );
}
}
#endif // THEME_CONVERTER