From 295bb1919bc748d369eb8b5597c1cd12577d3176 Mon Sep 17 00:00:00 2001
From: Pavel Labath <pavelo@centrum.sk>
Date: Thu, 14 Jul 2011 14:56:25 +0200
Subject: Attach a modifiedSig handler to the session.cacheLife resource

---
 src/FbTk/ImageControl.cc | 18 +++++++++++-------
 src/FbTk/ImageControl.hh |  4 +++-
 src/Screen.cc            |  4 +++-
 src/fluxbox.hh           |  2 +-
 4 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/src/FbTk/ImageControl.cc b/src/FbTk/ImageControl.cc
index c99ef9a..510ea35 100644
--- a/src/FbTk/ImageControl.cc
+++ b/src/FbTk/ImageControl.cc
@@ -175,7 +175,7 @@ struct ImageControl::Cache {
 };
 
 ImageControl::ImageControl(int screen_num,
-                           int cpc, unsigned long cache_timeout, unsigned long cmax):
+                           int cpc, unsigned int cache_timeout, unsigned long cmax):
     m_colors_per_channel(cpc),
     m_screen_num(screen_num) {
 
@@ -187,12 +187,9 @@ ImageControl::ImageControl(int screen_num,
 
     cache_max = cmax;
 
-    if (cache_timeout && s_timed_cache) {
-        m_timer.setTimeout(cache_timeout * FbTk::FbTime::IN_MILLISECONDS);
-        RefCount<Command<void> > clean_cache(new SimpleCommand<ImageControl>(*this, &ImageControl::cleanCache));
-        m_timer.setCommand(clean_cache);
-        m_timer.start();
-    }
+    RefCount<Command<void> > clean_cache(new SimpleCommand<ImageControl>(*this, &ImageControl::cleanCache));
+    m_timer.setCommand(clean_cache);
+    setCacheTimeout(cache_timeout * FbTk::FbTime::IN_MILLISECONDS);
 
     createColorTable();
 }
@@ -221,6 +218,13 @@ ImageControl::~ImageControl() {
     }
 }
 
+void ImageControl::setCacheTimeout(unsigned int cache_timeout) {
+    if (cache_timeout && s_timed_cache) {
+        m_timer.setTimeout(cache_timeout * 60000l);
+        m_timer.start();
+    } else 
+        m_timer.stop();
+}
 
 Pixmap ImageControl::searchCache(unsigned int width, unsigned int height,
                                  const Texture &text, FbTk::Orientation orient) const {
diff --git a/src/FbTk/ImageControl.hh b/src/FbTk/ImageControl.hh
index 747525b..1795bbf 100644
--- a/src/FbTk/ImageControl.hh
+++ b/src/FbTk/ImageControl.hh
@@ -42,9 +42,11 @@ class Texture;
 class ImageControl: private NotCopyable {
 public:
     ImageControl(int screen_num, int colors_per_channel = 4,
-                  unsigned long cache_timeout = 300000l, unsigned long cache_max = 200l);
+                  unsigned int cache_timeout = 5, unsigned long cache_max = 200l);
     virtual ~ImageControl();
 
+    void setCacheTimeout(unsigned int cache_timeout);
+
     int depth() const { return m_screen_depth; }
     int colorsPerChannel() const { return m_colors_per_channel; }
     size_t nrColors() const { return m_colors.size(); }
diff --git a/src/Screen.cc b/src/Screen.cc
index 6e74d88..e3e6fce 100644
--- a/src/Screen.cc
+++ b/src/Screen.cc
@@ -413,9 +413,11 @@ BScreen::BScreen(FbTk::ResourceManager_base &rm,
     // setup image cache engine
     m_image_control.reset(new FbTk::ImageControl(scrn,
                                                  fluxbox->colorsPerChannel(),
-                                                 fluxbox->getCacheLife(), fluxbox->getCacheMax()));
+                                                 *fluxbox->getCacheLifeResource(), fluxbox->getCacheMax()));
     imageControl().installRootColormap();
     root_colormap_installed = true;
+    m_tracker.join(fluxbox->getCacheLifeResource().modifiedSig(),
+            MemFun(imageControl(), &FbTk::ImageControl::setCacheTimeout));
 
     m_root_theme.reset(new RootTheme(imageControl()));
     m_root_theme->reconfigTheme();
diff --git a/src/fluxbox.hh b/src/fluxbox.hh
index c245d43..1c6d10a 100644
--- a/src/fluxbox.hh
+++ b/src/fluxbox.hh
@@ -129,7 +129,7 @@ public:
 
     time_t getAutoRaiseDelay() const { return *m_rc_auto_raise_delay; }
 
-    unsigned int getCacheLife() const { return *m_rc_cache_life * 60000; }
+    FbTk::UIntResource &getCacheLifeResource() { return m_rc_cache_life; }
     unsigned int getCacheMax() const { return *m_rc_cache_max; }
 
 
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