Style index mode with CSS

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

Makefile

@@ -77,7 +77,7 @@ dbus-interface-definitions.c: data/org.pwmt.zathura.xml
 
 css-definitions.c: data/zathura.css_t
 	$(QUIET)echo '#include "css-definitions.h"' > $@.tmp
-	$(QUIET)echo 'const char* CSS_TEMPLATE =' >> $@.tmp
+	$(QUIET)echo 'const char* CSS_TEMPLATE_INDEX =' >> $@.tmp
 	$(QUIET)sed 's/^\(.*\)$$/"\1\\n"/' $< >> $@.tmp
 	$(QUIET)echo ';' >> $@.tmp
 	$(QUIET)mv $@.tmp $@

config.c

@@ -174,6 +174,11 @@ config_load_default(zathura_t* zathura)
   girara_setting_add(gsession, "render-loading-fg",      NULL,      STRING, false, _("'Loading ...' foreground color"),  cb_color_change, NULL);
   girara_setting_set(gsession, "render-loading-fg",      "#000000");
 
+  girara_setting_add(gsession, "index-fg",        "#DDDDDD", STRING, true, _("Index mode foreground color"), NULL, NULL);
+  girara_setting_add(gsession, "index-bg",        "#232323", STRING, true, _("Index mode background color"), NULL, NULL);
+  girara_setting_add(gsession, "index-active-fg", "#232323", STRING, true, _("Index mode foreground color (active element)"), NULL, NULL);
+  girara_setting_add(gsession, "index-active-bg", "#9FBC00", STRING, true, _("Index mode background color (active element)"), NULL, NULL);
+
   bool_value = false;
   girara_setting_add(gsession, "recolor",                &bool_value,  BOOLEAN, false, _("Recolor pages"), cb_setting_recolor_change, NULL);
   bool_value = false;

css-definitions.h

@@ -3,6 +3,6 @@
 #ifndef GIRARA_CSS_DEFINITIONS_H
 #define GIRARA_CSS_DEFINITIONS_H
 
-extern const char* CSS_TEMPLATE;
+extern const char* CSS_TEMPLATE_INDEX;
 
 #endif

data/zathura.css_t

+/* Index mode colors */
+
 #@session@ .indexmode {
   color: @index-fg@;
   background-color: @index-bg@;

shortcuts.c

@@ -1128,6 +1128,9 @@ sc_toggle_index(girara_session_t* session, girara_argument_t* UNUSED(argument),
       goto error_free;
     }
 
+    gtk_style_context_add_class(gtk_widget_get_style_context(treeview),
+        "indexmode");
+
     g_object_unref(model);
 
     renderer = gtk_cell_renderer_text_new();

zathura.c

@@ -14,6 +14,7 @@
 #include <girara/statusbar.h>
 #include <girara/settings.h>
 #include <girara/shortcuts.h>
+#include <girara/template.h>
 #include <glib/gstdio.h>
 #include <glib/gi18n.h>
 
@@ -39,6 +40,7 @@
 #include "plugin.h"
 #include "adjustment.h"
 #include "dbus-interface.h"
+#include "css-definitions.h"
 
 typedef struct zathura_document_info_s {
   zathura_t* zathura;
@@ -245,6 +247,37 @@ zathura_init(zathura_t* zathura)
   zathura->jumplist.size = 0;
   zathura->jumplist.cur = NULL;
 
+  /* CSS for index mode */
+  GiraraTemplate* csstemplate = girara_session_get_template(zathura->ui.session);
+
+  static const char* index_settings[] = {
+    "index-fg",
+    "index-bg",
+    "index-active-fg",
+    "index-active-bg"
+  };
+
+  for (size_t s = 0; s < LENGTH(index_settings); ++s) {
+    girara_template_add_variable(csstemplate, index_settings[s]);
+
+    char* tmp_value = NULL;
+    GdkRGBA rgba = { 0, 0, 0, 0 };
+    girara_setting_get(zathura->ui.session, index_settings[s], &tmp_value);
+    if (tmp_value != NULL) {
+      gdk_rgba_parse(&rgba, tmp_value);
+      g_free(tmp_value);
+    }
+
+    char* color = gdk_rgba_to_string(&rgba);
+    girara_template_set_variable_value(csstemplate,
+        index_settings[s], color);
+    g_free(color);
+  }
+
+  char* css = g_strdup_printf("%s\n%s", girara_template_get_base(csstemplate), CSS_TEMPLATE_INDEX);
+  girara_template_set_base(csstemplate, css);
+  g_free(css);
+
   /* Start D-Bus service */
   bool dbus = true;
   girara_setting_get(zathura->ui.session, "dbus-service", &dbus);