From 9265c9473a807b9f3c08903acf5f60253fbb1130 Mon Sep 17 00:00:00 2001
From: Moritz Lipp <mlq@pwmt.org>
Date: Wed, 14 Mar 2012 17:33:35 +0100
Subject: [PATCH] Add 'recolor' setting

---
 callbacks.c | 18 ++++++++++++++++++
 callbacks.h | 12 ++++++++++++
 config.c    |  3 ++-
 render.c    |  2 +-
 shortcuts.c |  8 ++++----
 5 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/callbacks.c b/callbacks.c
index 2ceb8ba..27c014d 100644
--- a/callbacks.c
+++ b/callbacks.c
@@ -325,3 +325,21 @@ cb_view_resized(GtkWidget* UNUSED(widget), GtkAllocation* allocation, zathura_t*
 
   return false;
 }
+
+void
+cb_setting_recolor_change(girara_session_t* session, const char* name,
+    girara_setting_type_t UNUSED(type), void* value, void* UNUSED(data))
+{
+  g_return_if_fail(value != NULL);
+  g_return_if_fail(session != NULL);
+  g_return_if_fail(session->global.data != NULL);
+  g_return_if_fail(name != NULL);
+  zathura_t* zathura = session->global.data;
+
+  bool bool_value = *((bool*) value);
+
+  if (zathura->global.recolor != bool_value) {
+    zathura->global.recolor = bool_value;
+    render_all(zathura);
+  }
+}
diff --git a/callbacks.h b/callbacks.h
index f575bca..fc332f7 100644
--- a/callbacks.h
+++ b/callbacks.h
@@ -98,4 +98,16 @@ bool cb_password_dialog(GtkEntry* entry, zathura_password_dialog_info_t* dialog)
  */
 bool cb_view_resized(GtkWidget* widget, GtkAllocation* allocation, zathura_t* zathura);
 
+/**
+ * Emitted when the 'recolor' setting is changed
+ *
+ * @param session Girara session
+ * @param name Name of the setting ("recolor")
+ * @param type Type of the setting (BOOLEAN)
+ * @param value New value
+ * @param data Custom data
+ */
+void cb_setting_recolor_change(girara_session_t* session, const char* name,
+    girara_setting_type_t type, void* value, void* data);
+
 #endif // CALLBACKS_H
diff --git a/config.c b/config.c
index 6b117d6..f3c77c2 100644
--- a/config.c
+++ b/config.c
@@ -38,7 +38,6 @@ cb_color_change(girara_session_t* session, const char* name, girara_setting_type
   /* TODO: cause a redraw here? */
 }
 
-
 void
 config_load_default(zathura_t* zathura)
 {
@@ -88,6 +87,8 @@ config_load_default(zathura_t* zathura)
   girara_setting_add(gsession, "highlight-active-color", NULL, STRING, false, _("Color for highlighting (active)"), cb_color_change, NULL);
   girara_setting_set(gsession, "highlight-active-color", "#00BC00");
 
+  bool_value = false;
+  girara_setting_add(gsession, "recolor",                &bool_value,  BOOLEAN, false, _("Recolor pages"), cb_setting_recolor_change, NULL);
   float_value = 0.5;
   girara_setting_add(gsession, "highlight-transparency", &float_value, FLOAT,   false, _("Transparency for highlighting"), NULL, NULL);
   bool_value = true;
diff --git a/render.c b/render.c
index 221e8c3..fb3912a 100644
--- a/render.c
+++ b/render.c
@@ -132,7 +132,7 @@ render(zathura_t* zathura, zathura_page_t* page)
   unsigned char* image = cairo_image_surface_get_data(surface);
 
   /* recolor */
-  if (zathura->global.recolor) {
+  if (zathura->global.recolor == true) {
     /* recolor code based on qimageblitz library flatten() function
     (http://sourceforge.net/projects/qimageblitz/) */
 
diff --git a/shortcuts.c b/shortcuts.c
index 03db40c..cd6bbb9 100644
--- a/shortcuts.c
+++ b/shortcuts.c
@@ -359,11 +359,11 @@ sc_recolor(girara_session_t* session, girara_argument_t* UNUSED(argument),
     girara_event_t* UNUSED(event), unsigned int UNUSED(t))
 {
   g_return_val_if_fail(session != NULL, false);
-  g_return_val_if_fail(session->global.data != NULL, false);
-  zathura_t* zathura = session->global.data;
 
-  zathura->global.recolor = !zathura->global.recolor;
-  render_all(zathura);
+  bool value = false;
+  girara_setting_get(session, "recolor", &value);
+  value = !value;
+  girara_setting_set(session, "recolor", &value);
 
   return false;
 }